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1

Faculty Profiles School of ElEctrical EnginEEring & computEr SciEncE  

E-Print Network [OSTI]

Faculty Profiles School of ElEctrical EnginEEring & computEr SciEncE #12;circuits Patrick Chiang interconnects; robust, near-threshold computing); power-constrained, wireless medical electronics Notable: NSF circuits and components; embedded passives; interconnects and electronic packaging; signal integrity

2

RESEARCHMaking a diffErEncE < Front cover picture  

E-Print Network [OSTI]

be monitored from space. These remote measurements are, however, subject to errors as the radio signals must face the challenge of working in one of the most remote and extreme environments on earth-Vice-Chancellor (Research) 4. Turbocharging future car design 6. Protecting the Global Positioning System from solar storms

Burton, Geoffrey R.

3

Environmental Policy Document Ref  

E-Print Network [OSTI]

Document Environmental Policy Document Ref EMS.POL.001 Last Revision March 2013 Revision No 5 Page 1 of 1 Environmental Policy Through teaching and research the University of the West of England should be managed so as to minimise environmental harm. This policy commits the University of the West

Aickelin, Uwe

4

Earth SciEncES attheUniversityofNewHampshire.  

E-Print Network [OSTI]

Earth SciEncES attheUniversityofNewHampshire. DiscoverEarthSciences Department of Earth Sciences University of New Hampshire James Hall 56 College Road Durham, NH 03824 603 862-1718 earth.sciences@unh.edu In January 2010, the University of New Hampshire Earth Sciences Department moved into its newly renovated

Pringle, James "Jamie"

5

Graduate Profile Earth & EnvironmEntal SciEncE  

E-Print Network [OSTI]

Graduate Profile Earth & EnvironmEntal SciEncE "I wanted to understand how our natural environment worked..." Chris Butcher Environmental Scientist, Parsons Brinckerhoff Bachelor of Science (Sustainable felt that learning the science behind it was the best way to do so. "The undergraduate degree gave me

6

SciEncE MAnAgEMEnt College of Engineering and Mines  

E-Print Network [OSTI]

.................................................3 ESM F605--Engineering Economic Analysis* ....................................3 6. Complete with prior undergraduate engineering economics course. See Arctic Engineering. See Engineering for PhSciEncE MAnAgEMEnt College of Engineering and Mines Department of Civil and Environmental

Hartman, Chris

7

2014.12-Web of ScienceRefWorks [] RefWorks  

E-Print Network [OSTI]

2014.12- Web of ScienceRefWorks [] 1 RefWorks Web of Science CORE COLLECTION [] TEL: 03-5841-2649:22649 : literacy@lib.u-tokyo.ac.jp Web of Science RefWorks UTokyo Article Link p. 3-4 p. 5 p. 3 p. 6 RefWorks p. 6 Web of Science

Miyashita, Yasushi

8

carbon FInDS cUrrEncY oUT  

E-Print Network [OSTI]

academic knowledge of sustainable living. You will also discover how the master printmaker at our Northerncarbon FInDS cUrrEncY oUT oF THE bLUE KEEPInG bUSH TUcKEr HEaLTHY SUSTaInabLE DrEaM bEGInS aT SEa Keeping Top End's bush tucker healthy 18 Printmaking technique spans borders and cultures 20 Sustainable

9

Earth SciEncEUndErgradUatE StUdy We offer many opportunities for you to  

E-Print Network [OSTI]

1 Earth SciEncEUndErgradUatE StUdy #12;Visit us We offer many opportunities for you to visit usUniversities&CollegesAdmissionsServices(UCAS), tel: 0871 468 0468 or see their website www.ucas.com OnE Of thE wOrld'S tOP 1% UniVErSitiES #12;Earth SciEncE Earth science is the study of the Earth, its structure, composition, history and resources

Guo, Zaoyang

10

UNIVERSITY OF SUSSEX 1 Advertisement Ref: 816  

E-Print Network [OSTI]

with the University environment and funding systems is also desirable. The successful applicant will have good the university The aims of the Student Funding Team within the Student Life Centre are to provide: EfficientUNIVERSITY OF SUSSEX 1 Advertisement Ref: 816 Student Services ­ Student Life Centre Student

Sussex, University of

11

UNIVERSITY OF SUSSEX 1. Advertisement Ref: 392  

E-Print Network [OSTI]

established in 2012 and the new Centre for Innovation and Research in Adult Wellbeing. Social Work is alsoUNIVERSITY OF SUSSEX 1. Advertisement Ref: 392 School of Education & Social Work Department of Social Work and Social Care Professor of Social Work (Full time, permanent) Salary range: Professorial

Sussex, University of

12

UNIVERSITY OF SUSSEX 1. Advertisement Ref: 628  

E-Print Network [OSTI]

to Professor Stephen Shute, Head of the School of Law, Politics and Sociology at s.c.shute@sussex.ac.uk; 01273678583 or to Professor Heather Keating, Head, Sussex Law school at h.m.keating@sussex.ac.uk; 01273 678796UNIVERSITY OF SUSSEX 1. Advertisement Ref: 628 School of Law, Politics and Sociology Sussex Law

Sussex, University of

13

Property:AdditionalRef | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision hasInformationInyo County, California | Open Energy Information onASHRAEAdditionalRef Jump to:

14

RefWorks for Business: Basics Ways to Get References into RefWorks  

E-Print Network [OSTI]

time. Type in your search terms. 5. Import from a text file. This method works for some onlineWorks function is located along side the print, e-mail, save and download functions. 2. Manually enter references. Search and import from an online catalogue within RefWorks. You can search and import references from

Haykin, Simon

15

FITCH RATES ENERGY NORTHWEST (WA) ELECTRIC REV REF BONDS 'AA...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

FITCH RATES ENERGY NORTHWEST (WA) ELECTRIC REV REF BONDS 'AA'; OUTLOOK STABLE Fitch Ratings-Austin-08 April 2015: Fitch Ratings assigns 'AA' ratings to the following Energy...

16

OoEr  

Office of Legacy Management (LM)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartment ofDepartment ofof EnergyYou$0.C. 20545 OCT 28 1% - :NEW;ORAU 89/K-79OoEr 1325.8

17

Estrogen receptor alpha 36 (ER-36) and other novel spliced ERs are widely expressed in ER-66-negative breast tumors  

E-Print Network [OSTI]

of ER are examined using qPCR in ER-negative cell lines MCF7 MDA-MB-231 SKBR3 MCF7/218 (MC-20)(F-10-66-neagtive SKBR3 cells and ER-66-positive MCF7/218cells. A novel spliced form of ER is detected by WB using anti-ER(MC-20) antibody in ER-66- negative MDA-MB-231 and SKBR3 cell lines. 4. A novel

18

Protein folding in the ER.  

SciTech Connect (OSTI)

The endoplasmic reticulum (ER) is a major protein folding compartment for secreted, plasma membrane and organelle proteins. Each of these newly-synthesized polypeptides folds in a deterministic process, affected by the unique conditions that exist in the ER. An understanding of protein folding in the ER is a fundamental biomolecular challenge at two levels. The first level addresses how the amino acid sequence programs that polypeptide to efficiently arrive at a particular fold out of a multitude of alternatives, and how different sequences obtain similar folds. At the second level are the issues introduced by folding not in the cytosol, but in the ER, including the risk of aggregation in a molecularly crowded environment, accommodation of post-translational modifications and the compatibility with subsequent intracellular trafficking. This review discusses both the physicochemical and cell biological constraints of folding, which are the challenges that the ER molecular chaperones help overcome.

Stevens, F. J.; Argon, Y.; Biosciences Division; Univ. of Chicago

1999-10-01T23:59:59.000Z

19

hep-th/0012112 REF. TUW 00-33.  

E-Print Network [OSTI]

at the classical level. 2 Work supported by The Danish Research Agency. 4 Work supported in part by \\Fonds zur Fhep-th/0012112 REF. TUW 00-33. The Energy-Momentum Tensor on Noncommutative Spaces - Some-1090 Wien, Austria Abstract. We present the discussion of the energy-momentum tensor of the scalar #30

Wulkenhaar, Raimar

20

FUNDED STANDARD GRANTS June 2010 REF PI HEI Title  

E-Print Network [OSTI]

FUNDED STANDARD GRANTS June 2010 PANEL A REF PI HEI Title NE/I010173/1 Jarvis NERC BAS Solar wind connection to regional climate NE/I01229X/1 Shrira Keele New kinetic equations and their modelling for wind/1 Mencuccini Edinburgh Perilous life at the xeric edge: drought-induced tree mortality in the Mediterranean NE

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

American Ref Fuel Corporation ARC | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address: 160 East 300Algoil JumpAltergy SystemsAmerican Energy Systems IncMunicipal PowerRef Fuel

22

BIOENERGI ER BLEVET MODERNE 4DECEMBER 2003  

E-Print Network [OSTI]

at bruge biomasse til energi. Opfyring med brænde og opvarmning med halmfyr eller biogas er kendte, biogas og bioethanol. Bioenergi er den eneste vedvarende energikilde, der findes i fast, flydende og

23

Energy and Society ER100/PPC184/ER200/PPC284, Fall 2014  

E-Print Network [OSTI]

of the process. If the article comes from New York Times, Wall Street Journal, Economist, Time, etc Timeliness1 Energy and Society ER100/PPC184/ER200/PPC284, Fall 2014 Problem Set #2 Total Points: 100 for ER100/PPC184 120 for ER200/PPC284 Topics covered: Energy and development, Combustion, Exponential growth

Kammen, Daniel M.

24

af biobraendsler er: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Society (ER100PP184ER200PP284) Topics: Personal energy audit, the grid, nuclear, fracking Renewable Energy Websites Summary: Energy and Society (ER100PP184ER200PP284)...

25

Tank 241-ER-311, grab samples, ER311-98-1, ER311-98-2, ER311-98-3 analytical results for the final report  

SciTech Connect (OSTI)

This document is the final report for catch tank 241-ER-311 grab samples. Three grab samples ER311-98-1, ER311-98-2 and ER311-98-3 were taken from East riser of tank 241-ER-311 on August 4, 1998 and received by the 222-S Laboratory on August 4, 1998. Analyses were performed in accordance with the Compatibility Grab Sampling and Analysis Plan (TSAP) (Sasaki, 1998)and the Data Quality Objectives for Tank Farms Waste Compatibility Program (DQO) (Mulkey and Miller, 1997). The analytical results are presented in the data summary report (Table 1). No notification limits were exceeded.

FULLER, R.K.

1999-02-24T23:59:59.000Z

26

Energy and Society (ER100/PP184/ER200/PP284) Topics: Personal energy audit, the grid, nuclear, fracking  

E-Print Network [OSTI]

Energy and Society (ER100/PP184/ER200/PP284) Topics: Personal energy audit, the grid, nuclear and Society (ER100/PP184/ER200/PP284) Topics: Personal energy audit, the grid, nuclear, fracking Due Nov. 7 [ER100/PP184], 120 [ER200/PP284] Personal Energy Audit [40 POINTS TOTAL] How much energy do you

Kammen, Daniel M.

27

Two-quasiparticle structures and isomers in {sup 168}Er, {sup 170}Er, and {sup 172}Er  

SciTech Connect (OSTI)

The stable and neutron-rich isotopes {sup 168}Er, {sup 170}Er, and {sup 172}Er have been studied with Gammasphere using inelastic excitation with energetic {sup 136}Xe beams. The previously assigned structures based on the proposed K{sup p}i=4{sup -} isomeric intrinsic states in both {sup 168}Er and {sup 170}Er have been re-evaluated and an equivalent band identified in {sup 172}Er. In {sup 170}Er, the identification of a K{sup p}i=6{sup -} band with transitions close in energy to those of the 4{sup -} band leads to a modified interpretation, since the overlap would have compromised previous analyses. The g{sub K}-g{sub R} values for the 4{sup -} bands deduced from the in-band gamma-ray intensities for the sequence of isotopes suggest a predominantly two-neutron configuration in {sup 168}Er, an equally mixed two-neutron, two-proton configuration in {sup 170}Er, and a two-proton configuration in {sup 172}Er. A comprehensive decay scheme for the previously proposed 6{sup +} isomer in {sup 172}Er has also been established, as well as band structures built on this isomer that closely resemble the 6{sup +} and 7{sup -} two-neutron structures known in the isotone {sup 174}Yb. The implied K hindrances are discussed. The main decay path of the 6{sup +} isomer occurs through the newly identified 4{sup -} isomer. The measured lifetimes of the 4{sup -} and 6{sup +} isomers in {sup 172}Er are 57(3) and 822(90) ns, respectively. Multiquasiparticle calculations support the suggested configuration changes across the isotopic chain.

Dracoulis, G. D.; Lane, G. J. [Department of Nuclear Physics, R.S.P.E, Australian National University, Canberra ACT 0200 (Australia); Kondev, F. G.; Chiara, C. J. [Nuclear Engineering Division, Argonne National Laboratory, Argonne, Illinois 60439 (United States); Watanabe, H. [RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198 (Japan); Seweryniak, D.; Zhu, S.; Carpenter, M. P.; Janssens, R. V. F.; Lauritsen, T.; Lister, C. J.; McCutchan, E. A. [Physics Division, Argonne National Laboratory, Argonne, Illinois 60439 (United States); Stefanescu, I. [Physics Division, Argonne National Laboratory, Argonne, Illinois 60439 (United States); Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742 (United States)

2010-05-15T23:59:59.000Z

28

Solstrling er temaet i denne boka. Alt liv er avhengig av solstrling sola gir liv, og sola er  

E-Print Network [OSTI]

#12;Solstrling er temaet i denne boka. Alt liv er avhengig av solstrling sola gir liv, og sola solstrlingens betydning for vr helse og gi en naturfaglig bakgrunn for hvordan en br styre sine solvaner. Sola de viktigste, og at det innebrer en strre risiko hvis en ikke lar sola skinne p kroppen. I

Sahay, Sundeep

29

Energy and Society (ER100/PP184/ER200/PP284) Topics: PV, Wind, environmental justice  

E-Print Network [OSTI]

Energy and Society (ER100/PP184/ER200/PP284) Topics: PV, Wind, environmental justice Due Nov. 21 [ER200/PP284] - 1 - 1. Comparing PV costs across the US [24 points] In this question we are going to compare the costs of generating electricity using solar energy in different parts of the United States. a

Kammen, Daniel M.

30

Ternary Dy-Er-Al magnetic refrigerants  

DOE Patents [OSTI]

A ternary magnetic refrigerant material comprising (Dy{sub 1{minus}x}Er{sub x})Al{sub 2} for a magnetic refrigerator using the Joule-Brayton thermodynamic cycle spanning a temperature range from about 60K to about 10K, which can be adjusted by changing the Dy to Er ratio of the refrigerant. 29 figs.

Gschneidner, K.A. Jr.; Takeya, Hiroyuki

1995-07-25T23:59:59.000Z

31

Ternary Dy-Er-Al magnetic refrigerants  

DOE Patents [OSTI]

A ternary magnetic refrigerant material comprising (Dy.sub.1-x Er.sub.x)Al.sub.2 for a magnetic refrigerator using the Joule-Brayton thermodynamic cycle spanning a temperature range from about 60K to about 10K, which can be adjusted by changing the Dy to Er ratio of the refrigerant.

Gschneidner, Jr., Karl A. (Ames, IA); Takeya, Hiroyuki (Ibaraki, JP)

1995-07-25T23:59:59.000Z

32

Energy and Society (ER100/PP184/ER200/PP284) Topics: Personal energy audit, nuclear, fracking, LCA  

E-Print Network [OSTI]

Energy and Society (ER100/PP184/ER200/PP284) Topics: Personal energy audit, nuclear, fracking, LCA and Society (ER100/PP184/ER200/PP284) Topics: Personal energy audit, nuclear, fracking, LCA Due Nov. 6100/PP184], 105 [ER200/PP284] Personal Energy Audit [40 POINTS TOTAL] How much energy do you consume

Kammen, Daniel M.

33

Characterization of the ER stress checkpoint in mammalian cells  

E-Print Network [OSTI]

role in oxidative protein folding in the endoplasmiccellular demand for protein folding and ER capacity has beenlipids. To ensure proper protein folding within the ER, the

Chen, Meifan

2011-01-01T23:59:59.000Z

34

An ab initio-based ErHe interatomic potential in hcp Er  

SciTech Connect (OSTI)

We have developed an empirical erbium-helium (Er-He) potential by fitting to the results calculated from ab initio method. Based on the electronic hybridization between Er and He atoms, an s-band model, along with a repulsive pair potential, has been derived to describe the Er-He interaction. The atomic configurations and the formation energies of single He defects, small He interstitial clusters (Hen) and He-vacancy (HenV ) clusters obtained by ab initio calculations are used as the fitting database. The binding energies and relative stabilities of the HnVm clusters are studied by the present potential and compared with the ab initio calculations. The Er-He potential is also applied to study the migration of He in hcp-Er at different temperatures, and He clustering is found to occur at 600 K in hcp Er crystal, which may be due to the anisotropic migration behavior of He interstitials.

Yang, Li; ye, Yeting; Fan, K. M.; Shen, Huahai; Peng, Shuming; Long, XG; Zhou, X. S.; Zu, Xiaotao; Gao, Fei

2014-09-01T23:59:59.000Z

35

COMM REF  

Office of Legacy Management (LM)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartment ofDepartment ofof EnergyYou$0.C. 20545 OCTTO:March_BayoRECORD OF DECISION:L4

36

RefWorks for Business: Advanced Workshop Advanced Searching and Lookups  

E-Print Network [OSTI]

RefWorks for Business: Advanced Workshop Advanced Searching and Lookups Advanced Search There may Advanced Search is helpful. o Go to the Search menu > click Advanced Search Lookups Lookups be times when you want to do a detailed search for references stored in your RefWorks database. That's when

Haykin, Simon

37

US ENC IL Site Consumption  

Gasoline and Diesel Fuel Update (EIA)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) " ,"ClickPipelines About U.S. NaturalA. Michael SchaalNovember 26,8,CoalThousandIL Site Consumption million

38

US ENC MI Site Consumption  

Gasoline and Diesel Fuel Update (EIA)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) " ,"ClickPipelines About U.S. NaturalA. Michael SchaalNovember 26,8,CoalThousandIL Site Consumption

39

US ENC WI Site Consumption  

Gasoline and Diesel Fuel Update (EIA)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) " ,"ClickPipelines About U.S. NaturalA. Michael SchaalNovember 26,8,CoalThousandIL Site Consumption120 US

40

ARM CLASIC ER2 CRS/EDOP  

SciTech Connect (OSTI)

Data was taken with the NASA ER-2 aircraft with the Cloud Radar System and other instruments in conjunction with the DOE ARM CLASIC field campaign. The flights were near the SGP site in north Central Oklahoma and targeted small developing convection. The CRS is a 94 GHz nadir pointing Doppler radar. Also on board the ER-2 was the Cloud Physics Lidar (CPL). Seven science flights were conducted but the weather conditions did not cooperate in that there was neither developing convection, or there was heavy rain.

Gerald Heymsfield

2010-12-20T23:59:59.000Z

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Low temperature properties of some Er-rich intermetallic compounds  

SciTech Connect (OSTI)

The low temperature volumetric heat capacity ({approx}3.5 to 350 K) and magnetic susceptibility ({approx}4 to 320 K) of Er{sub 3}Rh, Er{sub 3}Ir, Er{sub 3}Pt, Er{sub 2}Al, and Er{sub 2}Sn have been measured. All of the compounds order antiferromagnetically (or ferrimagnetically), and most exhibit more than one magnetic ordering transition. The volumetric heat capacities in general are smaller than those of the prototype magnetic regenerator materials, except for Er{sub 3}Ir in the 12 to 14 K temperature range.

K.A. Gshneidner,jr; A.O. Pecharsky; L.Hale; V.K. Pecharsky

2004-09-30T23:59:59.000Z

42

VarPetrRef 1 VARIETY AND THE EVOLUTION OF REFINERY PROCESSING  

E-Print Network [OSTI]

VarPetrRef 1 VARIETY AND THE EVOLUTION OF REFINERY PROCESSING Phuong NGUYEN*, Pier-Paolo SAVIOTTI, refinery processes, variety, niche theory, Weitzman measure. JEL classification : L15 -L93 -O3 1

Paris-Sud XI, Université de

43

Ref. A14129-LR-001, Rev. 0 Mr. Richard Tilley Electric Power...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

29, 2014 Ref. A14129-LR-001, Rev. 0 Mr. Richard Tilley Electric Power Research Institute 1300 West W.T. Harris Blvd. Charlotte, NC 28262 Dr. Thomas Rosseel Oak Ridge National...

44

DOE/ER-0214 February 1985  

E-Print Network [OSTI]

DOE/ER-0214 Magnetic Program Fusion Plan February 1985 U.S. Department of Energy Office of Energy Research Washington, D.C. 20585 #12;U.S. DEPARTMENT OF ENERGY Office of Energy Research February 1985, available resources, and the nation's need for future energy sources. #12;PREFACE During the past few years

45

Kenya (Rpublique du) Admission 1 er  

E-Print Network [OSTI]

2014-04-14 Kenya (République du) Admission 1 er cycle Programmes à capacité d'accueil limitée : complément d'informations Seuils requis selon les programmes Détails sur le test Kenya Certificate

Montréal, Université de

46

Unique ER Cistromes Control Cell Type-Specific Gene Regulation  

E-Print Network [OSTI]

-specific E2 regulation of gene expression in MCF7 and U2OS- ER cells, we compared the ER binding sites on DNA a critical role in defining the ER cistrome in MCF7 cells, it is not expressed in U2OS-ER cells, and forkhead-specific effects, however, remains to be explained. We have compared the gene expres- sion profile of the MCF7

Brown, Myles

47

Rotational band properties in {sup 165}Er  

SciTech Connect (OSTI)

High-spin states in {sup 165}Er have been studied experimentally using the {sup 160}Gd({sup 9}Be, 4n) reaction at beam energies of 42 and 45 MeV. The previously known bands based on the 5/2{sup +}[642], 5/2{sup -}[523], and 11/2{sup -}[505] configurations are extended to (49/2{sup +}), (45/2{sup -}), and (31/2{sup -}) states, respectively. The rotational bands in {sup 165}Er generally show gradual alignment processes, indicating strong band interactions associated with the i{sub 13/2} neutron alignments. The band properties are compared with those in the neighboring nuclei and discussed within the framework of the cranked shell model.

Wang, S. T. [Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 (China); Graduate University of Chinese Academy of Sciences, Beijing 100049 (China); Zhou, X. H.; Zhang, Y. H.; Zheng, Y.; Liu, M. L.; Chen, L.; Zhang, N. T.; Hua, W.; Guo, S.; Qiang, Y. H.; Li, G. S.; Ding, B. [Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 (China); Shi, Y.; Xu, F. R. [School of Physics, and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871 (China)

2011-07-15T23:59:59.000Z

48

ER-12-1 completion report  

SciTech Connect (OSTI)

The objective of drillhole ER-12-1 was to determine the hydrogeology of paleozoic carbonate rocks and of the Eleana Formation, a regional aquitard, in an area potentially downgradient from underground nuclear testing conducted in nearby Rainier Mesa. This objective was addressed through the drilling of well ER-12-1 at N886,640.26 E640,538.85 Nevada Central Coordinates. Drilling of the 1094 m (3588 ft) well began on July 19, 1991 and was completed on October 17, 1991. Drilling problems included hole deviation and hole instability that prevented the timely completion of this borehole. Drilling methods used include rotary tri-cone and rotary hammer drilling with conventional and reverse circulation using air/water, air/foam (Davis mix), and bentonite mud. Geologic cuttings and geophysical logs were obtained from the well. The rocks penetrated by the ER-12-1 drillhole are a complex assemblage of Silurian, Devonian, and Mississippian sedimentary rocks that are bounded by numerous faults that show substantial stratigraphic offset. The final 7.3 m (24 ft) of this hole penetrated an unusual intrusive rock of Cretaceous age. The geology of this borehole was substantially different from that expected, with the Tongue Wash Fault encountered at a much shallower depth, paleozoic rocks shuffled out of stratigraphic sequence, and the presence of an altered biotite-rich microporphyritic igneous rock at the bottom of the borehole. Conodont CAI analyses and rock pyrolysis analyses indicate that the carbonate rocks in ER-12-1, as well as the intervening sheets of Eleana siltstone, have been thermally overprinted following movement on the faults that separate them. The probable source of heat for this thermal disturbance is the microporphyritic intrusion encountered at the bottom of the hole, and its age establishes that the major fault activity must have occurred prior to 102.3+0.5 Ma (middle Cretaceous).

Russell, C.E.; Gillespie, D.; Cole, J.C.; Drellack, S.L. [and others

1996-12-01T23:59:59.000Z

49

11/22/11 Energ polic of the United States -Wikipedia, the free enc clopedia 1/22en.wikipedia.org/wiki/Energ _polic _of_the_United_States  

E-Print Network [OSTI]

11/22/11 Energ polic of the United States - Wikipedia, the free enc clopedia 1/22en.wikipedia.org/wiki/Energ _polic _of_the_United_States Energ polic of the United States F Wi i edia, he f ee e c c edia The energ e g efficie c 5.1 E e g efficie c ac i a 6 E e g b dge , i i ia i e a d i ce i e 6.1 B dge 6.2 P b

Kostic, Milivoje M.

50

RefWorks: Importing search results from ISI Web of KnowledgeSM  

E-Print Network [OSTI]

Page 1/2 RefWorks: Importing search results from ISI Web of KnowledgeSM databases http://isiknowledge.com In ISI Web of KnowledgeSM databases (Web of Science® , BIOSIS® , CAB Abstracts® , Zoological Record, but these instructions apply to any database on the ISI Web of Knowledge platform. 1. On the Search Results screen

Kammen, Daniel M.

51

Our Ref: 4376.04 ADDING A CODE CONFORMANCE TOOL TO AN INTEGRATED  

E-Print Network [OSTI]

Our Ref: 4376.04 ADDING A CODE CONFORMANCE TOOL TO AN INTEGRATED BUILDING DESIGN ENVIRONMENT in full. #12;ADDING A CODE CONFORMANCE TOOL TO AN INTEGRATED BUILDING DESIGN ENVIRONMENT W.B. Mugridge, J of ThermalDesigner, a code conformance tool, and its connection to an integrated building model. The original

Amor, Robert

52

REF | 27-3 | Julio-septiembre 2013 13 La vida de la ciencia  

E-Print Network [OSTI]

REF | 27-3 | Julio-septiembre 2013 13 La vida de la ciencia E l pasado 15 de junio falleció el en que, para tener impacto, una culturalización en ciencia no ha de centrase en las universidades

Toral, Raúl

53

RefWorks 2.0 Quick Start Guide Need More Help?  

E-Print Network [OSTI]

RefWorks 2.0 Quick Start Guide Logging In NOTE: Need More Help? Online Tutorial Help Support Online.support@scholarsportal.info Importing Data Directly (A1) View Last Imported Folder Helpful Hint: Source Type Source Type (A2) Converting References from Other Bibliographic Management Products Help Importing Data from Saved Text Files References

Graham, Nick

54

PHS ECT-CRADA Case Ref. No. _______ MODEL ADOPTED 2005 Page 1 of 28  

E-Print Network [OSTI]

PHS ECT-CRADA Case Ref. No. _______ MODEL ADOPTED 2005 Page 1 of 28 PUBLIC HEALTH SERVICE on the model Cooperative Research and Development Agreement ("CRADA") adopted by the U.S. Public Health Service"). This Cover Page identifies the Parties to this CRADA: The U.S. Department of Health and Human Services

Baker, Chris I.

55

Translation of a Patent Certificate Translated by AFD China IP Our Ref. No.:080801507-E  

E-Print Network [OSTI]

#12;Translation of a Patent Certificate Translated by AFD China IP Our Ref. No.:080801507-E Certificate No. 1156871 Certificate of Invention Patent Title: Method and System for Producing a Video Synopsis Inventors: Shmuel Peleg; Alexander Rav-Acha Patent No.: ZL 2006 8 0048754.8 Date of Filing

Peleg, Shmuel

56

DOE/ER--0547T DE92  

Office of Scientific and Technical Information (OSTI)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinan antagonist Journal Article: Crystal structureComposite-- Energy,Converting to5994DOEFinal ReportER--0547T

57

ER85773 | netl.doe.gov  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed NewcatalystNeutronEnvironment >Dange1·DangerEPADetection R. De Souza 1ER85773

58

Energy and Society (ER100/PP184/ER200/PP284) Topics: PV, Wind, environmental justice  

E-Print Network [OSTI]

? [2 points] ii. [ER200/PP286 only] Relative to using average utility rates, how could time-of-use (TOU. How might our results for the levelized cost of PV electricity differ if we were considering utility-scale installations instead of residential-scale rooftop installations? List and explain three other factors we would

Kammen, Daniel M.

59

IOWA STAT-er CHATTER Winter 2009/2010  

E-Print Network [OSTI]

://main.acsevents.org/site/TR/RelayForLife/ RFLFY10MW?team_id=568827&pg=team&fr_id= 22852 Intramural Sports Update Mark McKelvey The STAT-ers wereIOWA STAT-er CHATTER Winter 2009/2010 "All The 's That's Fit to Print" 1 From the Office of the President Lisa Bramer This summer began an exciting new era for the STAT-ers as Snedecor Hall

60

An Improved Algorithm for Quanti er Elimination Over Real Closed ...  

E-Print Network [OSTI]

assumption that each polynomial in the input depend ..... We call this procedure uniform quanti er elim- .... and describe the inputs, outputs and complexities of.

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Final Technical Report for Award # ER64999  

SciTech Connect (OSTI)

This report provides a summary of activities for Award # ER64999, a Genomes to Life Project funded by the Office of Science, Basic Energy Research. The project was entitled "Methanogenic archaea and the global carbon cycle: a systems biology approach to the study of Methanosarcina species". The long-term goal of this multi-investigator project was the creation of integrated, multiscale models that accurately and quantitatively predict the role of Methanosarcina species in the global carbon cycle under dynamic environmental conditions. To achieve these goals we pursed four specific aims: (1) genome sequencing of numerous members of the Order Methanosarcinales, (2) identification of genomic sources of phenotypic variation through in silico comparative genomics, (3) elucidation of the transcriptional networks of two Methanosarcina species, and (4) development of comprehensive metabolic network models for characterized strains to address the question of how metabolic models scale with genetic distance.

Metcalf, William W. [University of Illinois

2014-10-08T23:59:59.000Z

62

Comparative activation of estrogen receptor alpha (er alpha) by endocrine disruptors  

E-Print Network [OSTI]

-dependent,. These results demonstrate that various ER ligands differentially activate ER? in breast cancer cells and transgenic mice, and their activities are dependent on ER? variants, promoter-, cell-context and selective use of different Sp proteins, suggesting...

Wu, Fei

2009-05-15T23:59:59.000Z

63

Electron spin resonance study of Er-concentration effect in GaAs;Er,O containing charge carriers  

SciTech Connect (OSTI)

Er-concentration effect in GaAs;Er,O containing charge carriers (n-type, high resistance, p-type) has been studied by X-band Electron spin resonance (ESR) at low temperature (4.7?K?Er,O without carrier. The local structure around Er-2O centers is not affected by carriers because similar angular dependence of g-values was observed in both cases (with/without carrier). For temperature dependence, linewidth and lineshape analysis suggested the existence of Er dimers with antiferromagnetic exchange interaction of about 7?K. Moreover, drastic decrease of ESR intensity for C signal in p-type sample was observed and it correlates with the decrease of photoluminescence (PL) intensity. Possible model for the Er-2O trap level in GaAs:Er,O is discussed from the ESR and PL experimental results.

Elmasry, F. [Graduate School of Science, Kobe University, 1-1 Rokkodai-cho, Nada, Kobe 657-8501 (Japan); Okubo, S. [Molecular Photoscience Research Center, Kobe University, 1-1 Rokkodai-cho, Nada, Kobe 657-8501 (Japan); Ohta, H., E-mail: hoht@kobe-u.ac.jp [Graduate School of Science, Kobe University, 1-1 Rokkodai-cho, Nada, Kobe 657-8501 (Japan); Molecular Photoscience Research Center, Kobe University, 1-1 Rokkodai-cho, Nada, Kobe 657-8501 (Japan); Fujiwara, Y. [Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871 (Japan)

2014-05-21T23:59:59.000Z

64

Balanced Ero1 activation and inactivation establishes ER redox homeostasis  

E-Print Network [OSTI]

The endoplasmic reticulum (ER) provides an environment optimized for oxidative protein folding through the action of Ero1p, which generates disulfide bonds, and Pdi1p, which receives disulfide bonds from Ero1p and transfers ...

Kim, Sunghwan

65

Coordination of Endoplasmic Reticulum (ER) Signaling During Maize Seed Development  

SciTech Connect (OSTI)

Seed storage reserves represent one of the most important sources of renewable fixed carbon and nitrogen found in nature. Seeds are well-adapted for diverting metabolic resources to synthesize storage proteins as well as enzymes and structural proteins needed for their transport and packaging into membrane bound storage protein bodies. Our underlying hypothesis is that the endoplasmic reticulum (ER) stress response provides the critical cellular control of metabolic flux required for optimal accumulation of storage reserves in seeds. This highly conserved response is a cellular mechanism to monitor the protein folding environment of the ER and restore homeostasis in the presence of unfolded or misfolded proteins. In seeds, deposition of storage proteins in protein bodies is a highly specialized process that takes place even in the presence of mutant proteins that no longer fold and package properly. The capacity of the ER to deposit these aberrant proteins in protein bodies during a period that extends several weeks provides an excellent model for deconvoluting the ER stress response of plants. We have focused in this project on the means by which the ER senses and responds to functional perturbations and the underlying intracellular communication that occurs among biosynthetic, trafficking and degradative pathways for proteins during seed development.

Boston, Rebecca S.

2010-11-20T23:59:59.000Z

66

ER=EPR, GHZ, and the Consistency of Quantum Measurements  

E-Print Network [OSTI]

This paper illustrates various aspects of the ER=EPR conjecture.It begins with a brief heuristic argument, using the Ryu-Takayanagi correspondence, for why entanglement between black holes implies the existence of Einstein-Rosen bridges. The main part of the paper addresses a fundamental question: Is ER=EPR consistent with the standard postulates of quantum mechanics? Naively it seems to lead to an inconsistency between observations made on entangled systems by different observers. The resolution of the paradox lies in the properties of multiple black holes, entangled in the Greenberger-Horne-Zeilinger pattern. The last part of the paper is about entanglement as a resource for quantum communication. ER=EPR provides a way to visualize protocols like quantum teleportation. In some sense teleportation takes place through the wormhole, but as usual, classical communication is necessary to complete the protocol.

Susskind, Leonard

2014-01-01T23:59:59.000Z

67

ER=EPR, GHZ, and the Consistency of Quantum Measurements  

E-Print Network [OSTI]

This paper illustrates various aspects of the ER=EPR conjecture.It begins with a brief heuristic argument, using the Ryu-Takayanagi correspondence, for why entanglement between black holes implies the existence of Einstein-Rosen bridges. The main part of the paper addresses a fundamental question: Is ER=EPR consistent with the standard postulates of quantum mechanics? Naively it seems to lead to an inconsistency between observations made on entangled systems by different observers. The resolution of the paradox lies in the properties of multiple black holes, entangled in the Greenberger-Horne-Zeilinger pattern. The last part of the paper is about entanglement as a resource for quantum communication. ER=EPR provides a way to visualize protocols like quantum teleportation. In some sense teleportation takes place through the wormhole, but as usual, classical communication is necessary to complete the protocol.

Leonard Susskind

2014-12-29T23:59:59.000Z

68

ENGI NEERI NG & APPLI ED SCI ENCE  

E-Print Network [OSTI]

General Physics II Lab 1 ___ ________ STS 2000/3000 Elective 3 ___ ________ HSS Elective (3) 3 15 17 ü 2000, 3000, and 4000 level science or mathematics courses approved for science majors. See list on SIE in a related subject area of humanities and social sciences. See link to appropriate courses on SIE website. (4

Sherriff, Mark S.

69

Pahute Mesa Well Development and Testing Analyses for Wells ER-20-7, ER-20-8 #2, and ER-EC-11, Revision 1  

SciTech Connect (OSTI)

This report analyzes the following data collected from ER-20-7, ER-20-8 No.2, and ER-EC-11 during WDT operations: (1) Chemical indicators of well development (Section 2.0); (2) Static hydraulic head (Section 3.0); (3) Radiochemistry and geochemistry (Section 4.0); (4) Drawdown observed at locations distal to the pumping well (Section 5.0); and (5) Drilling water production, flow logs, and temperature logs (Section 6.0). The new data are further considered with respect to existing data as to how they enhance or change interpretations of groundwater flow and transport, and an interim small-scale conceptual model is also developed and compared to Phase I concepts. The purpose of well development is to remove drilling fluids and drilling-associated fines from the formation adjacent to a well so samples reflecting ambient groundwater water quality can be collected, and to restore hydraulic properties near the well bore. Drilling fluids can contaminate environmental samples from the well, resulting in nonrepresentative measurements. Both drilling fluids and preexisting fines in the formation adjacent to the well can impede the flow of water from the formation to the well, creating artifacts in hydraulic response data measured in the well.

Greg Ruskauff

2011-12-01T23:59:59.000Z

70

TALN 2011, Montpellier, 27 juin --1er juillet 2011  

E-Print Network [OSTI]

TALN 2011, Montpellier, 27 juin -- 1er juillet 2011 Développement de ressources pour le persan.fr Résumé. Nous présentons une nouvelle version de PerLex, lexique morphologique du persan, une nouvel étique- teur morphosyntaxique librement disponible pour le persan. Après avoir développé une

Paris-Sud XI, Université de

71

ALGEBRA LINEAL I 1er Curso de CC. Fisicas.  

E-Print Network [OSTI]

ALGEBRA LINEAL I 1er Curso de CC. Fisicas. Examen Final. 4 de Febrero de 2008. Apellidos: Nombre subespacio complementario de S1 S2. 4. Hallar la matriz en la base canonica de una aplicacion lineal f : R

Guijarro, Luis

72

Economic Impact Report BInghamton UnIvERsIty  

E-Print Network [OSTI]

Economic Impact Report 2007 #12;BInghamton UnIvERsIty 8:1 return on investment The term "return will be returned to the state economy and $6 to the local economy -- delivering an economic impact of $8.65 billion as an engine of economic growth that improves the financial health of our region and state. EconomIc Impact

Suzuki, Masatsugu

73

Video Entity Resolution: Applying ER Techniques for Smart Video Surveillance  

E-Print Network [OSTI]

buildings, smart grid, and so on. In this paper, we focus on smart surveillance systems wherein video improvements on how the building is used. One of the key challenges in building smart surveillance systemsVideo Entity Resolution: Applying ER Techniques for Smart Video Surveillance Liyan Zhang Ronen

Kalashnikov, Dmitri V.

74

ERS 14.2 Emissions Monitoring, 4/3/95 | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

ERS 14.2 Emissions Monitoring, 4395 ERS 14.2 Emissions Monitoring, 4395 The objective of this surveillance is to verify that the contractor is monitoring emissions of...

75

Requirements for ER reorganization and proliferation by HMG-CoA reductase  

E-Print Network [OSTI]

the ER overload response or EOR. It was discovered as acharacteristic of both UPR and EOR, lending some credenceto the idea that EOR may be involved in some types of ER

Federovitch, Christine Marie

2007-01-01T23:59:59.000Z

76

ER Membrane Protein Complex Required for Nuclear Fusion Davis T.W. Ng and Peter Walter  

E-Print Network [OSTI]

ER Membrane Protein Complex Required for Nuclear Fusion Davis T.W. Ng and Peter Walter Department is localized to the luminal (i.e., noncytoplasmic) face of the ER mem- brane, yet nuclear fusion must initiate of Sec63p, Sec71p, and Sec72p plays a central role in mediating nuclear mem- brane fusion and requires ER

Walter, Peter

77

In and Out of the ER: Protein Folding, Quality Control, Degradation, and Related Human Diseases  

E-Print Network [OSTI]

In and Out of the ER: Protein Folding, Quality Control, Degradation, and Related Human Diseases 1377 C. Protein folding 1378 II. Protein Translocation, Folding, and Quality Control in the Endoplasmic Reticulum 1379 A. Protein targeting to the ER 1379 B. Chaperone-assisted protein folding in the ER 1379 C

Hebert, Daniel N.

78

TALN 2011, Montpellier, 27 juin --1er juillet 2011  

E-Print Network [OSTI]

TALN 2011, Montpellier, 27 juin -- 1er juillet 2011 Développement de ressources pour le persan : le persan, une version corrigée et partiellement réannotée du corpus étiqueté BijanKhan (BijanKhan, 2004) et MEltfa, un nouvel étiqueteur morphosyntaxique librement disponible pour le persan. Après avoir développé

Paris-Sud XI, Université de

79

ALGEBRA LINEAL I 1er Curso de CC. Fisicas.  

E-Print Network [OSTI]

ALGEBRA LINEAL I 1er Curso de CC. Fisicas. Examen Extraordinario. 14 de Septiembre de 2006 un vector u perpendicular a L. b) Hallar la matriz de la aplicacion lineal f : R3 R3 consistente en la simetria ortogonal respecto al plano de ecuacion 2x+y = 0. (Se trata de la aplicacion lineal

Guijarro, Luis

80

ALGEBRA LINEAL I 1er Curso de CC. Fisicas.  

E-Print Network [OSTI]

ALGEBRA LINEAL I 1er Curso de CC. Fisicas. Examen Final. 9 de Febrero de 2006. Apellidos: Nombrex2 +10 = 0. 2. Dado el sistema de ecuaciones lineales: x -y +2z = 2 x +y -z = 1 2x +az = c 3x +y +bz la base canonica de R2 de una aplicacion lineal de R2 en R2 , tal que f(1, 1) = (0, 1) f(-1, 1

Guijarro, Luis

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

EPR = ER and Scattering Amplitude as Entanglement Entropy Change  

E-Print Network [OSTI]

We study the causal structure of the minimal surface of the four-gluon scattering, and find a world-sheet wormhole parametrized by Mandelstam variables, thereby demonstrate the EPR = ER relation for gluon scattering. We also propose that scattering amplitude is the change of the entanglement entropy by generalizing the holographic entanglement entropy of Ryu-Takayanagi to the case where two regions are divided in space-time.

Shigenori Seki; Sang-Jin Sin

2014-04-03T23:59:59.000Z

82

Final Report DE-FG02-07ER64416  

SciTech Connect (OSTI)

The document provides the Final Report for DE-FG02-07ER64416 on the use of magnetic resonance (MR) methods to quantify transport in porous media impacted by biological and chemical processes. Products resulting from the research in the form of peer reviewed publications and conference presentations are presented. The research correlated numerical simulations and MR measurements to test simulation methodology. Biofilm and uranium detection by MR was demonstrated.

Seymour, Joseph D.

2014-02-01T23:59:59.000Z

83

Tunable, diode side-pumped Er:YAG laser  

DOE Patents [OSTI]

A discrete-element Er:YAG laser, side pumped by a 220 Watt peak-power InGaAs diode array, generates >500 mWatts at 2.94 {micro}m, and is tunable over a 6 nm range near about 2.936 {micro}m. The oscillator is a plano-concave resonator consisting of a concave high reflector, a flat output coupler, a Er:YAG crystal and a YAG intracavity etalon, which serves as the tuning element. The cavity length is variable from 3 cm to 4 cm. The oscillator uses total internal reflection in the Er:YAG crystal to allow efficient coupling of the diode emission into the resonating modes of the oscillator. With the tuning element removed, the oscillator produces up to 1.3 Watts of average power at 2.94 {micro}m. The duty factor of the laser is 6.5% and the repetition rate is variable up to 1 kHz. This laser is useful for tuning to an atmospheric transmission window at 2.935 {micro}m (air wavelength). The laser is also useful as a spectroscopic tool because it can access several infrared water vapor transitions, as well as transitions in organic compounds. Other uses include medical applications (e.g., for tissue ablation and uses with fiber optic laser scalpels) and as part of industrial effluent monitoring systems. 4 figs.

Hamilton, C.E.; Furu, L.H.

1997-04-22T23:59:59.000Z

84

Tunable, diode side-pumped Er: YAG laser  

DOE Patents [OSTI]

A discrete-element Er:YAG laser, side pumped by a 220 Watt peak-power InGaAs diode array, generates >500 mWatts at 2.94 .mu.m, and is tunable over a 6 nm range near about 2.936 .mu.m. The oscillator is a plano-concave resonator consisting of a concave high reflector, a flat output coupler, a Er:YAG crystal and a YAG intracavity etalon, which serves as the tuning element. The cavity length is variable from 3 cm to 4 cm. The oscillator uses total internal reflection in the Er:YAG crystal to allow efficient coupling of the diode emission into the resonating modes of the oscillator. With the tuning element removed, the oscillator produces up to 1.3 Watts of average power at 2.94 .mu.m. The duty factor of the laser is 6.5% and the repetition rate is variable up to 1 kHz. This laser is useful for tuning to an atmospheric transmission window at 2.935 .mu.m (air wavelength). The laser is also useful as a spectroscopic tool because it can access several infrared water vapor transitions, as well as transitions in organic compounds. Other uses include medical applications (e.g., for tissue ablation and uses with fiber optic laser scalpels) and as part of industrial effluent monitoring systems.

Hamilton, Charles E. (Bellevue, WA); Furu, Laurence H. (Modesto, CA)

1997-01-01T23:59:59.000Z

85

Completion Report for Well Cluster ER-6-1  

SciTech Connect (OSTI)

Well Cluster ER-6-1 was constructed for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office in support of the Nevada Environmental Restoration Division at the Nevada Test Site, Nye County, Nevada. This work was initiated as part of the Groundwater Characterization Project, now known as the Underground Test Area Project. The well cluster is located in southeastern Yucca Flat. Detailed lithologic descriptions with stratigraphic assignments for Well Cluster ER-6-1 are included in this report. These are based on composite drill cuttings collected every 3 meters and conventional core samples taken below 639 meters, supplemented by geophysical log data. Detailed petrographic, chemical, and mineralogical studies of rock samples were conducted on 11 samples to resolve complex interrelationships between several of the Tertiary tuff units. Additionally, paleontological analyses by the U.S. Geological Survey confirmed the stratigraphic assignments below 539 meters within the Paleozoic sedimentary section. All three wells in the Well ER-6-1 cluster were drilled within the Quaternary and Tertiary alluvium section, the Tertiary volcanic section, and into the Paleozoic sedimentary section.

Bechtel Nevada

2004-10-01T23:59:59.000Z

86

Job Ref#012760  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

0003112 ASSOCIATE DIRECTOR OF RESEARCH (Director of the Accelerator Group) The J. Bennett Johnston, Sr., Center for Advanced Microstructures and Devices (CAMD) is a...

87

REF Scenario Viewer  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLas ConchasPassive Solar HomePromising Science for1 20115, 2001 Media Contact:

88

Completion report for well ER-3-2  

SciTech Connect (OSTI)

Well ER-3-2 was drilled for the U.S. Department of Energy, Nevada Operations Office (DOE/NV), in support of the Nevada Environmental Restoration Project (NV ERP) at the Nevada Test Site. IT Corporation (IT) was the principal environmental contractor for the project. The roles and responsibilities of IT and other contractors involved in the project are described in the Raytheon Services Nevada (RSN) Drilling Program and the Underground Test Area Operable Unit Project Management Plan. The well will become part of the Underground Test Area (UGTA) monitoring well network.

NONE

1995-12-01T23:59:59.000Z

89

Lifetimes of negative parity states in {sup 168}Er  

SciTech Connect (OSTI)

Using the GRID method the lifetimes of 12 states belonging to four negative parity bands in {sup 168}Er were measured at the high flux reactor of the Institut Laue-Langevin (ILL). For K{sup {pi}}=0{sub 1}{sup -} and K{sup {pi}}=2{sub 1}{sup -} bands the absolute E1 transitions are in agreement with those obtained within the framework of the sdf IBA-1 model and their octupole vibrational character is confirmed. (c) 2000 The American Physical Society.

Genilloud, L. [Institut de Physique, Universite de Fribourg, Perolles, CH-1700 Fribourg, (Switzerland)] [Institut de Physique, Universite de Fribourg, Perolles, CH-1700 Fribourg, (Switzerland); Jolie, J. [Institut de Physique, Universite de Fribourg, Perolles, CH-1700 Fribourg, (Switzerland)] [Institut de Physique, Universite de Fribourg, Perolles, CH-1700 Fribourg, (Switzerland); Boerner, H. G. [Institut Laue-Langevin, F-38042 Grenoble Cedex 9, (France)] [Institut Laue-Langevin, F-38042 Grenoble Cedex 9, (France); Lehmann, H. [Institut Laue-Langevin, F-38042 Grenoble Cedex 9, (France)] [Institut Laue-Langevin, F-38042 Grenoble Cedex 9, (France); Becvar, F. [Faculty of Mathematics and Physics, Charles University, CZ-180 00 Prague 8, (Czech Republic)] [Faculty of Mathematics and Physics, Charles University, CZ-180 00 Prague 8, (Czech Republic); Krticka, M. [Faculty of Mathematics and Physics, Charles University, CZ-180 00 Prague 8, (Czech Republic)] [Faculty of Mathematics and Physics, Charles University, CZ-180 00 Prague 8, (Czech Republic); Zamfir, N. V. [WNSL, Yale University, New Haven, Connecticut 06520 (United States) [WNSL, Yale University, New Haven, Connecticut 06520 (United States); Clark University, Worcester, Massachusetts 01610 (United States); Casten, R. F. [WNSL, Yale University, New Haven, Connecticut 06520 (United States)] [WNSL, Yale University, New Haven, Connecticut 06520 (United States)

2000-09-01T23:59:59.000Z

90

Photoluminescence and positron annihilation spectroscopy investigation of (Ge, Er) codoped Si oxides deposited by magnetron sputtering  

SciTech Connect (OSTI)

We have investigated the nature of violet-blue emission from (Ge, Er) codoped Si oxides (Ge+Er+SiO{sub 2}) using photoluminescence (PL) and positron annihilation spectroscopy (PAS) measurements. The PL spectra and PAS analysis for a control Ge-doped SiO{sub 2} (Ge+SiO{sub 2}) indicate that Ge-associated neutral oxygen vacancies (Ge-NOV) are likely responsible for the major emission in the violet-blue band. For Ge+Er+SiO{sub 2}, both Ge-NOV and GeO color centers are believed to be responsible for the emission band. The addition of Er has a significant influence on the emission, which is discussed in terms of Er-concentration-related structural change in the Ge+Er+SiO{sub 2}.

Heng, C. L.; Chelomentsev, E.; Peng, Z. L.; Mascher, P. [Department of Engineering Physics and Centre for Emerging Device Technologies, McMaster University, Hamilton, Ontario L8S 4K1 (Canada); Simpson, P. J. [Department of Physics and Astronomy, University of Western Ontario, London, Ontario N6A 3K7 (Canada)

2009-01-01T23:59:59.000Z

91

Er/Si (111) interface intermixing investigation using core level photoemission  

SciTech Connect (OSTI)

We present in this letter Si 2{ital p} core level photoemission measurements on the Er/Si (111) interface formed at room temperature. These spectroscopic data are compared with those measured on amorphous silicide films for various Er concentrations grown by coevaporation of Er and Si species at room temperature under ultrahigh vacuum conditions. This study reveals a strong interaction between Er and the Si (111) substrate even at very low coverage. A mixed interface is observed with silicide formation up to 6 monolayers of deposited metal which corresponds to the onset of erbium metal overgrowth. The Er concentration in the interfacial silicide is found to increase as a function of the deposited Er thickness. A model for the interface is proposed and discussed.

Haderbache, L.; Wetzel, P.; Pirri, C.; Peruchetti, J.C.; Bolmont, D.; Gewinner, G. (Laboratoire de Physique et de Spectroscopie Electronique, Faculte des Sciences et Techniques 4, rue des Freres Lumiere, 68093-Mulhouse Cedex (France))

1990-07-23T23:59:59.000Z

92

Specific features of the nonradiative relaxation of Er{sup 3+} ions in epitaxial Si structures  

SciTech Connect (OSTI)

The specific features of the nonradiative relaxation of Er{sup 3+} ions in Si:Er layers grown by sublimation molecular-beam epitaxy (SMBE) are studied. In Si:Er/Si diode structures containing precipitation-type emitting centers, a resonance photoresponse at the wavelength ? ? 1.5 ?m is observed, which is indicative of the nonradiative relaxation of Er3+ ions via the energy back-transfer mechanism. Saturation of the erbium-related photocurrent is for the first time observed at high temperatures. This allows estimation of the concentration of Er centers that undergo relaxation via the above-mentioned back-transfer mechanism (N{sub 0} ? 5 10{sup 16} cm{sup ?3}). In terms of order of magnitude, the estimated concentration N{sub 0} corresponds to the concentration of optically active Er ions upon excitation of the Si:Er layers by means of the recombination mechanism. The features of the nonradiative relaxation of Er{sup 3+} ions in Si:Er/Si structures with different types of emitting centers are analyzed.

Kudryavtsev, K. E., E-mail: konstantin@ipmras.ru; Kryzhkov, D. I.; Antonov, A. V.; Shengurov, D. V.; Shmagin, V. B.; Krasilnik, Z. F. [Russian Academy of Sciences, Institute for Physics of Microstructures (Russian Federation)

2014-12-15T23:59:59.000Z

93

Completion Report for Well ER-2-1  

SciTech Connect (OSTI)

Well ER-2-1 was drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office (formerly Nevada Operations Office), in support of the Nevada Environmental Restoration Project at the Nevada Test Site, Nye County, Nevada. This well was drilled in February and March of 2003, as part of a hydrogeologic investigation program for the Yucca Flat/Climax Mine Corrective Action Unit in the northeastern portion of the Nevada Test Site. Well ER-2-1 was drilled as part of the Yucca Flat Corrective Action Unit Phase I drilling initiative. The well is located in north central Yucca Flat within Area 2 of the Nevada Test Site, and provided information regarding the radiological and physical environment near underground nuclear tests conducted in a saturated volcanic aquifer setting. Detailed lithologic descriptions with stratigraphic assignments are included in this report. These are based on composite drill cuttings collected every 3 meters and 83 sidewall samples taken at various depths between 113.7 and 754.4 meters, supplemented by geophysical log data. Detailed petrographic, chemical, and mineralogical studies of rock samples were conducted on 27 samples of drill cuttings. The well was collared in tuffaceous alluvium, and penetrated Tertiary-age tuffs of the Timber Mountain and Paintbrush Groups, Calico Hills and Wahmonie Formations, Crater Flat Group, Grouse Canyon Formation, before reaching total depth in the Tunnel Bed Formation.

Bechtel Nevada

2004-10-01T23:59:59.000Z

94

Properties of the rotational bands in {sup 161}Er  

SciTech Connect (OSTI)

High-spin states in {sup 161}Er have been studied experimentally using the {sup 150}Nd({sup 16}O,5n) reaction at a beam energy of 86 MeV. The 5/2{sup +}[642], 3/2{sup -}[521], and 11/2{sup -}[505] bands are extended up to high-spin states, and particularly the {alpha}=-1/2 branch of the ground state 3/2{sup -}[521] band is revised significantly. The relatively enhanced E1 transitions from the 3/2{sup -}[521] band to the 5/2{sup +}[642] band are observed. The band properties are analyzed within the framework of a triaxial particle-rotor model, and near-prolate shape and triaxial deformation are proposed to the 3/2{sup -}[521] and 5/2{sup +}[642] bands, respectively. Signature inversion occurs in the 3/2{sup -}[521] band after the band crossing in {sup 161}Er, and the systematics of the signature inversion associated with the 3/2{sup -}[521] configuration are discussed. By analyzing the properties of the relatively enhanced E1 transitions, it is found that the R(E1/E2) values show angular momentum dependence before the band crossing, and these enhanced E1 transitions could be attributed to octupole softness.

Chen, L.; Zhou, X. H.; Wang, S. T.; Zhang, N. T.; Zhou, H. B.; Li, G. S.; Wang, H. X.; Ding, B. [Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 (China); Graduate University of Chinese Academy of Sciences, Beijing 100049 (China); Zhang, Y. H.; Zheng, Y.; Liu, M. L.; Ma, F.; Fang, Y. D.; Hua, W.; Guo, S.; Qiang, Y. H.; Lei, X. G.; Guo, Y. X. [Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 (China); Zhu, L. H.; Wu, X. G. [China Institute of Atomic Energy, Beijing 102413 (China)

2011-03-15T23:59:59.000Z

95

Completion Report for Well ER-8-1  

SciTech Connect (OSTI)

Well ER-8-1 was drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office in support of the Nevada Environmental Restoration Project at the Nevada Test Site, Nye County, Nevada. This well was drilled in October and November of 2002 as part of a Hydrogeologic investigation program for the Yucca Flat/Climax Mine Corrective Action Unit in the northeastern portion of the Nevada Test Site. Well ER-8-1 is located at the north end of Yucca Flat approximately 580 meters south-southeast of the surface exposure of the Climax granitic intrusive. Detailed lithologic descriptions with stratigraphic assignments are included in this report. These are based on composite drill cuttings samples collected every 3 meters, and 21 sidewall samples taken at various depths between 351.1 and 573.0 meters, supplemented by incomplete geophysical log data. Detailed petrographic, geochemical, and mineralogical studies of rock samples were conducted on 22 samples of drill cuttings. Drilling began in tuffaceous alluvium, and the borehole penetrated Tertiary age bedded tuffs of the Volcanics of Oak Spring Butte and carbonate sediments of Paleozoic age, which were encountered at a depth of 334 meters. The borehole unexpectedly penetrated granite at the depth of 538.9 meters in which drilling was stopped. Contact metamorphic rocks and intrusive dikes associated with the Cretaceous-age granitic intrusive and at least one significant fault zone were encountered.

Bechtel Nevada

2004-11-01T23:59:59.000Z

96

LM Glasfiber er verdens strste pro-ducent af vinger til vindmller.  

E-Print Network [OSTI]

LM Glasfiber er verdens største pro- ducent af vinger til vindmøller. Udvikling og afprøvning af mekaniske test", forklarer civilinge- niør Torben Jacobsen fra LM Glasfiber. LM Glasfiber i Lunderskov er internationale vindmølle-fabrikanter. Torben Jacobsen kom til LM Glasfiber fra Risø, hvor han var tilknyttet

97

Electrical properties of Er-doped In0.53Ga0.47As  

E-Print Network [OSTI]

03C117-3 Burke et al. : Electrical properties of Er-doped InElectrical properties of Er-doped In 0.53 Ga 0.47 As PeterBahk and John E. Bowers Electrical and Computer Engineering

Burke, Peter G.; Lu, Hong; Rudawski, Nicholas G.; Gossard, Arthur G.; Bahk, Je-Hyeong; Bowers, John E.

2011-01-01T23:59:59.000Z

98

EPR = ER and Scattering Amplitude as Entanglement Entropy Change  

E-Print Network [OSTI]

Alday and Maldacena have found an exact minimal surface of open string world-sheet describing a gluon scattering. We study the causal structure of that minimal surface in AdS of position space, and find a world-sheet wormhole parametrized by Mandelstam variables. If we figure a gluon as an open string in AdS, the ribbon connecting the two strings always pass the world-sheet wormhole, demonstrating the EPR = ER for gluon scattering. Since entanglement is caused by an interaction, one can ask what is the relation between entanglement entropy and the scattering amplitude. We propose an answer by generalizing the holographic entanglement entropy (EE) of Ryu-Takayanagi to the case where two regions are divided in space-time and interpret the result as the change of EE.

Seki, Shigenori

2014-01-01T23:59:59.000Z

99

Completion Report for Well ER-EC-1  

SciTech Connect (OSTI)

Well ER-EC-1 was drilled for the U.S. Department of Energy, Nevada Operations Office in support of the Nevada Environmental Restoration Project at the Nevada Test Site, Nye County, Nevada. This well was drilled in the spring of 1999 as part of the U.S. Department of Energy's hydrogeologic investigation well program in the Western Pahute Mesa - Oasis Valley region just west of the Test Site. A 44.5-centimeter surface hole was drilled and cased off to the depth 675.1 meters below the surface. The hole diameter was then decreased to 31.1 centimeters for drilling to a total depth of 1,524.0 meters. A preliminary composite, static, water level was measured at the depth of approximately 566.3 meters prior to installation of the completion string. One completion string with three isolated, slotted intervals was installed in the well. Detailed lithologic descriptions with preliminary stratigraphic assignments are included in the report. These are based on composite drill cuttings collected every 3 meters and 31 sidewall samples taken at various depths below 680 meters, supplemented by geophysical log data. Detailed chemical and mineralogical studies of rock samples are in progress. The well penetrated Tertiary-age lava and tuff of the Timber Mountain Group, the Paintbrush Group, the Calico Hills Formation, the Crater Flat Group, and the Volcanics of Quartz Mountain. The preliminary geologic interpretation of data from Well ER-EC-1 indicates the presence of a structural trough or bench filled with a thick section of post-Rainier Mesa lava. These data also suggest that this site is located on a buried structural ridge that may separate the Silent Canyon and Timber Mountain caldera complexes.

Townsend, M.J.

2000-12-01T23:59:59.000Z

100

Completion Report for Well ER-18-2  

SciTech Connect (OSTI)

Well ER-18-2 was drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office in support of the Nevada Environmental Restoration Project at the Nevada Test Site, Nye County, Nevada. This well, located on Buckboard Mesa in the western part of the Nevada Test Site, was drilled in the spring of 1999 as part of the U.S. Department of Energy's hydrogeologic investigation well program in the Western Pahute Mesa - Oasis Valley region just west of the Test Site. A 44.5-centimeter surface hole was drilled and cased off to the depth 408.1 meters below the surface. The hole diameter was then decreased to 31.1 centimeters for drilling to a total depth of 762.0 meters. A preliminary composite, static, water level was measured at the depth of approximately 369.7 meters approximately two months after the completion string was installed. One completion string with three isolated, slotted intervals was installed in the well. Detailed lithologic descriptions with preliminary stratigraphic assignments are included in the report. These are based on composite drill cuttings collected every 3 meters and 15 sidewall samples taken at various depths below 420 meters, supplemented by geophysical log data and results of detailed chemical and mineralogical studies of rock samples. The upper part of the well penetrated Tertiary-age basalt, underlain by tuffaceous moat-filling sediments interbedded with ash-flow tuff units of the Thirsty Canyon Group and the Beatty Wash Formation. The lower half of the drill hole penetrated ash-flow tuff of the mafic-rich Ammonia Tanks Tuff. The geologic interpretation of data from Well ER-18-2 indicates that this site is located inside the structural margin of the Ammonia Tanks caldera.

Bechtel Nevada

2003-09-01T23:59:59.000Z

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Carrier transfer from InAs quantum dots to ErAs metal nanoparticles  

SciTech Connect (OSTI)

Erbium arsenide (ErAs) is a semi-metallic material that self-assembles into nanoparticles when grown in GaAs via molecular beam epitaxy. We use steady-state and time-resolved photoluminescence to examine the mechanism of carrier transfer between indium arsenide (InAs) quantum dots and ErAs nanoparticles in a GaAs host. We probe the electronic structure of the ErAs metal nanoparticles (MNPs) and the optoelectronic properties of the nanocomposite and show that the carrier transfer rates are independent of pump intensity. This result suggests that the ErAs MNPs have a continuous density of states and effectively act as traps. The absence of a temperature dependence tells us that carrier transfer from the InAs quantum dots to ErAs MNPs is not phonon assisted. We show that the measured photoluminescence decay rates are consistent with a carrier tunneling model.

Haughn, C. R.; Chen, E. Y.; Zide, J. M. O.; Doty, M. F., E-mail: doty@udel.edu [Department of Materials Science and Engineering, University of Delaware, Newark, Delaware 19716 (United States); Steenbergen, E. H.; Bissell, L. J.; Eyink, K. G. [AFRL/RXAN, Wright Patterson AFB, Ohio 45433 (United States)

2014-09-08T23:59:59.000Z

102

Are entangled particles connected by wormholes? Support for the ER=EPR conjecture from entropy inequalities  

E-Print Network [OSTI]

If spacetime is built out of quantum bits, does the shape of space depend on how the bits are entangled? The ER=EPR conjecture relates the entanglement entropy of a collection of black holes to the cross sectional area of Einstein-Rosen (ER) bridges (or wormholes) connecting them. We show that the geometrical entropy of classical ER bridges satisfies the subadditivity, triangle, strong subadditivity, and CLW inequalities. These are nontrivial properties of entanglement entropy, so this is evidence for ER=EPR. We further show that the entanglement entropy associated to classical ER bridges has nonpositive interaction information. This is not a property of entanglement entropy, in general. For example, the entangled four qubit pure state |GHZ_4>=(|0000>+|1111>)/\\sqrt{2} has positive interaction information, so this state cannot be described by a classical ER bridge. Large black holes with massive amounts of entanglement between them can fail to have a classical ER bridge if they are built out of |GHZ_4> states....

Gharibyan, Hrant

2013-01-01T23:59:59.000Z

103

Completion Report for Well ER-7-1  

SciTech Connect (OSTI)

Well ER-7-1 was drilled for the U.S. Department of Energy's National Nuclear Security Administration Nevada Site Office in support of the Nevada Environmental Restoration Project at the Nevada Test Site, Nye County, Nevada. This well was drilled in January and February 2003, as part of a hydrogeologic investigation program in Yucca Flat. A 47.0-centimeter surface hole was drilled and cased off to a depth of 541.0 meters below the surface. The hole diameter was then decreased to 31.8 centimeters for drilling to a total depth of 762.0 meters. Detailed lithologic descriptions with stratigraphic assignments are included in this report. These are based on composite drill cuttings collected every 3 meters, and 62 sidewall samples taken at various depths below 85.3 meters, supplemented by geophysical log data. Detailed petrographic, chemical, and mineralogical studies were conducted on 22 samples of cuttings. The well was collared in Quaternary surficial deposits and penetrated a thick section of Tertiary-age volcanic deposits before terminating in carbonate rocks of Paleozoic-age.

Bechtel Nevada

2004-11-01T23:59:59.000Z

104

Completion Report for Wells ER-20-8 and ER-20-8#2 Corrective Action Units 101 and 102: Central and Western Pahute Mesa  

SciTech Connect (OSTI)

Wells ER-20-8 and ER-20-8#2 were drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office in support of the Nevada Environmental Restoration Project at the Nevada National Security Site (formerly Nevada Test Site), Nye County, Nevada. The holes were drilled in July and August 2009, as part of the Pahute Mesa Phase II drilling program. The primary purpose of these wells was to provide detailed hydrogeologic information in the Tertiary volcanic section that will help address uncertainties within the Pahute MesaOasis Valley hydrostratigraphic framework model. They may also be used as long-term monitoring wells.

NSTec Environmental Management

2011-02-28T23:59:59.000Z

105

DEPART:tvIENT OF ENERG Y EERE PROJ ECT MANAGEMENT CEN T ER NEPA...  

Broader source: Energy.gov (indexed) [DOE]

tvIENT OF ENERG Y EERE PROJ ECT MANAGEMENT CEN T ER NEPA DETERlIlINAIION RECIPIENT;County of Montgomery Page 1 of2 STATE: PA R liO i PROJELi TITLE: Montgomery County (PA):...

106

Mitigating Bu er Over ows by Operating System Randomization 1 Monica Chew Dawn Song  

E-Print Network [OSTI]

of Bu#11;er Over ow A di#11;erent approach can be used to solve each of the three necessary conditions for successful exploits. These approaches were chosen with the goal of increasing the work factor for successful

Song, Dawn

107

Electrical properties of Er-doped In0.53Ga0.47As  

E-Print Network [OSTI]

semiconductors doped with rare- earth elements is of signi?applications. 4 However, rare-earth elements, such as Er,pos- sibility of using rare-earth elements for doping narrow

2011-01-01T23:59:59.000Z

108

Are entangled particles connected by wormholes? Evidence for the ER = EPR conjecture from entropy inequalities  

E-Print Network [OSTI]

If spacetime is built out of quantum bits, does the shape of space depend on how the bits are entangled? The ER = EPR conjecture relates the entanglement entropy of a collection of black holes to the cross sectional area ...

Gharibyan, Hrant

109

Magnetic Properties of RB66 (R = Gd, Tb, Ho, Er, and Lu)  

SciTech Connect (OSTI)

We report magnetic susceptibility measurements of RB66 (R = Gd, Tb, Ho, Er, and Lu) boron-rich rare earth containing borides down to 50 mK. The data suggest a spin glass low temperature state for RB66 (R = Gd, Tb, Ho, and Er) with the freezing temperatures below 1 K. The magnetic properties appear to be influenced by the anisotropy of the magnetic moments, probably via the crystalline electric field effects.

Kim, Hyunsoo; Budko, Serguei; ATanatar, Makariy; Avdashchenko, D.V.; Matovnikov, A.V.; Mitroshenkov, N.V.; Novikov, V.V.; Prozorov, Ruslan

2012-05-17T23:59:59.000Z

110

Ris har udgivet en rapport om moderne bioenergi. Den slr fast, at biomasse er en  

E-Print Network [OSTI]

Risø har udgivet en rapport om moderne bioenergi. Den slår fast, at biomasse er en ligeså værdifuld eventyret med moderne bioenergi i hovedrollen. På Risø skubber vi eventyret i gang ved at udvikle nye større skala, end man troede det muligt for bare få år siden. Andre perspektiver for bioenergien er

111

Rare earth focused ion beam implantation utilizing Er and Pr liquid alloy ion sources  

E-Print Network [OSTI]

Pr,10,11 Eu,12 Dy,13 Er,13­15 and Tm16 doped GaN. Rare earth elements were added during growthRare earth focused ion beam implantation utilizing Er and Pr liquid alloy ion sources L. C. Chao, B write implantation. © 1999 American Vacuum Society. S0734-211X 99 08306-7 I. INTRODUCTION Rare earth

Steckl, Andrew J.

112

At skrive speciale eller ph.d.-afhandling p Ris er en mulighed  

E-Print Network [OSTI]

forskningsmiljø- et. Det er en god ballast at have med i det senere karriereforløb". Når seniorforsker Jimmy Bak for Optik og Fluid Dynamik udbyder Jimmy Bak et forskningsprojekt som del af et ph.d.-studie. Projektet, der ugen. Side 11 >> E-mail: jimmy.bak@risoe.dk "Som vejleder vil jeg påstå, at udfor- dringen ikke kun er

113

Influence of Bi on the Er luminescence in yttrium-erbium disilicate thin films  

SciTech Connect (OSTI)

The influence of bismuth on erbium optical properties at 1.54??m has been investigated in yttrium-erbium disilicate thin films synthesized by magnetron co-sputtering and implanted with two Bi different doses. The Bi depth distribution and the evolution of its oxidation states after annealing treatments at 1000?C in two atmospheres, O{sub 2} and N{sub 2}, have been investigated. It was found that only in O{sub 2} the Bi{sup 3+} valence state is prevalent, thanks to the enhanced Bi mobility in the oxidizing ambient, as demonstrated by Rutherford backscattering spectrometry. At lower Bi content, although the formation of Bi{sup 0} metallic nanoparticles that are deleterious non radiative channels for Er luminescence, efficient energy transfer from Bi to Er has been obtained only in O{sub 2}. It is due to the excitation of ultraviolet broad Bi{sup 3+} absorption band and the energy transfer to Er ions. We have evaluated that in this case, Er effective excitation cross section increased by a factor of 5 in respect with the one for direct Er absorption at 488?nm. At higher Bi dose, this mechanism is absent, but an increased Er optical efficiency at 1.54??m has been observed under resonant excitation. It is due to the contribution of a fraction of Er ions having an increased lifetime. This phenomenon is associated with the formation of Bi agglomerates, induced at higher Bi doses, which well isolate Er from non-radiative quenching centers. The increased decay time assures higher optical efficiency at 1.54??m.

Scarangella, Adriana [MATIS-IMM CNR, Via S. Sofia 64, 95123 Catania (Italy); Dipartimento di Fisica e Astronomia, Universit di Catania, Via S. Sofia 64, 95123 Catania (Italy); Miritello, Maria, E-mail: maria.miritello@ct.infn.it [MATIS-IMM CNR, Via S. Sofia 64, 95123 Catania (Italy); Priolo, Francesco [MATIS-IMM CNR, Via S. Sofia 64, 95123 Catania (Italy); Dipartimento di Fisica e Astronomia, Universit di Catania, Via S. Sofia 64, 95123 Catania (Italy); Scuola Superiore di Catania, Universit di Catania, Via Valdisavoia 9, 95123 Catania (Italy)

2014-09-28T23:59:59.000Z

114

Completion Report for Well ER-EC-2A  

SciTech Connect (OSTI)

Well ER-EC-2A was drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Operations Office, in support of the Nevada Environmental Restoration Project at the Nevada Test Site, Nye County, Nevada. This well was drilled in January and February of 2000 as part of a hydrogeologic investigation program in the Pahute Mesa - Oasis Valley region just west of the Nevada Test Site. A 44.5-centimeter surface hole was drilled and cased off to a depth of 412.9 meters below the surface. The hole diameter was then decreased to 31.1 centimeters for drilling to a total depth of 1,516.1 meters. One completion string with three isolated slotted intervals was installed in the well. A preliminary composite, static water level was measured at the depth of 228.0 meters, approximately two months after installation of the completion string. Detailed lithologic descriptions with preliminary stratigraphic assignments are included in this report. These are based on composite drill cuttings collected every 3 meters, and 81 sidewall samples taken at various depths below 212 meters, supplemented by geophysical log data. Detailed petrographic, chemical, and mineralogical studies of rock samples were conducted on 30 samples. The well was collared in rhyolite lava and penetrated Tertiary-age lava and tuff of the Volcanics of Fortymile Canyon and the Timber Mountain Group. The preliminary geologic interpretation of borehole data indicates that this well was drilled within the margins of the buried Rainier Mesa and Ammonia Tanks calderas, and that caldera collapse in this area was deeper than expected, resulting in a section of Volcanics of Fortymile Canyon (caldera-filling deposit) that is much thicker than expected.

M. J. Townsend

2002-03-01T23:59:59.000Z

115

Completion Report for Well ER-EC-4  

SciTech Connect (OSTI)

Well ER-EC-4 was drilled for the US Department of Energy, Nevada Operations Office in support of the Nevada Environmental Restoration Project at the Nevada Test Site, Nye County, Nevada. This well was drilled in the summer of 1999 as part of the U.S Department of Energy's hydrogeologic investigation well program in the Western Pahute Mesa - Oasis Valley region just west of the Test Site. A 44.5-centimeter surface hole was drilled and cased off to a depth of 263.7 meters below the surface. The hole diameter was then decreased to 31.1 centimeters for drilling to a total depth of 1,062.8 meters. One completion string with three isolated slotted intervals was installed in the well. A preliminary composite, static, water level was measured at the depth of 228.3 meters, two months after installation of the completion string. Detailed lithologic descriptions with preliminary stratigraphic assignments are included in the report. These are based on composite drill cuttings collected every 3 meters, and 35 sidewall samples taken at various depths below 286.5 meters, supplemented by geophysical log data. Detailed chemical and mineralogical studies of rock samples are in progress. The well was collared in basalt and penetrated Tertiary-age lava and tuff of the Thirsty Canyon Group, the Volcanics of Fortymile Canyon, and the Timber Mountain Group. The preliminary geologic interpretation of data from this well helps pinpoint the location of the western margin of the Timber Mountain caldera complex in the southern Nevada volcanic field.

M. J. Townsend

2000-09-01T23:59:59.000Z

116

Completion Report for Well ER-EC-5  

SciTech Connect (OSTI)

Well ER-EC-5 was drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office in support of the Nevada Environmental Restoration Project at the Nevada Test Site, Nye County, Nevada. This well was drilled in the summer of 1999 as part of the U.S. Department of Energy's hydrogeologic investigation program in the Western Pahute Mesa - Oasis Valley region just west of the Nevada Test Site. A 44.5-centimeter surface hole was drilled and cased off to a depth of 342.6 meters below ground surface. The borehole diameter was then decreased to 31.1 centimeters for drilling to a total depth of 762.0 meters. One completion string with three isolated slotted intervals was installed in the well. A preliminary composite, static water level was measured at the depth of 309.9 meters, 40 days after installation of the completion string. Detailed lithologic descriptions with stratigraphic assignments are included in the report. These are based on composite drill cuttings collected every 3 meters, and 18 sidewall samples taken at various depths below 349.6 meters, supplemented by geophysical log data and results from detailed chemical and mineralogical analyses of rock samples. The well penetrated Tertiary-age tuffs of the Thirsty Canyon Group, caldera moat-filling sedimentary deposits, lava of the Beatty Wash Formation, and landslide breccia and tuffs of the Timber Mountain Group. The well reached total depth in welded ashflow tuff of the Ammonia Tanks Tuff after penetrating 440.1 meters of this unit, which is also the main water-producing unit in the well. The geologic interpretation of data from this well constrains the western margin of the Ammonia Tanks caldera to the west of the well location.

Bechtel Nevada

2004-10-01T23:59:59.000Z

117

Completion report for Well ER-EC-6  

SciTech Connect (OSTI)

Well ER-EC-6 was drilled for the U.S. Department of Energy, Nevada Operations Office in support of the Nevada Environmental Restoration Project at the Nevada Test Site, Nye County, Nevada. This well was drilled in the spring of 1999 as part of the DOE's hydrogeologic investigation well program in the Western Pahute Mesa - Oasis Valley region just west of the Nevada Test Site. A 66-centimeter surface hole was drilled and cased off to the depth of 485.1 meters below the surface. The hole diameter was then decreased to 31.1 centimeters for drilling to a total depth of 1,524.0 meters. A preliminary composite, static, water level was measured at the depth of approximately 434.6 meters prior to installation of the completion string. One completion string with four isolated, slotted intervals was installed in the well. Detailed lithologic descriptions with preliminary stratigraphic assignments are included in the report. These are based on composite drill cuttings collected every 3 meters and 33 sidewall samples taken at various depths below 504.4 meters, supplemented by geophysical log data. Detailed chemical and mineralogical studies of rock samples are in progress. The well penetrated Tertiary-age lava and tuff of the Timber Mountain Group, the Paintbrush Group, the Calico Hills Formation, and the Volcanics of Quartz Mountain. Intense hydrothermal alteration was observed below the depth of 640 m. The preliminary geologic interpretation indicates that this site may be located on a buried structural ridge that separates the Silent Canyon and Timber Mountain caldera complexes.

M. J. Townsend

2000-05-01T23:59:59.000Z

118

Completion Report for Well ER-EC-7  

SciTech Connect (OSTI)

Well ER-EC-7 was drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office in support of the Nevada Environmental Restoration Project at the Nevada Test Site, Nye County, Nevada. This well was drilled in the summer of 1999 as part of the Department of Energy's hydrogeologic investigation program in the Western Pahute Mesa - Oasis Valley region just west of the Test Site. A 44.5-centimeter surface hole was drilled and cased off to a depth of 265.8 meters below the surface. The hole diameter was then decreased to 31.1 centimeters for drilling to a total depth of 422.5 meters. The planned depth of 762 meters was not reached due to borehole stability problems. One completion string with two isolated slotted intervals was installed in the well. A preliminary composite, static, water level was measured at the depth of 227.8 meters, 20 days after installation of the completion string. Detailed lithologic descriptions with stratigraphic assignments are included in the report. These are based on composite drill cuttings, supplemented by geophysical log data, and incorporating data from detailed chemical and mineralogical studies of rock samples. Beneath a thin alluvial deposit, the well penetrated 410 meters of lava and bedded tuff of the Volcanics of Fortymile Canyon Group, deposited in the Timber Mountain caldera moat after caldera collapse. The geologic interpretation of data from this well provides information on the thickness, lithologic composition, and hydrogeologic character of moat-filling rocks in the southern portion of the Timber Mountain caldera complex in the southwestern Nevada volcanic field.

Bechtel Nevada

2004-10-01T23:59:59.000Z

119

Completion Report for Well ER-EC-8  

SciTech Connect (OSTI)

Well ER-EC-8 was drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office in support of the Nevada Environmental Restoration Project at the Nevada Test Site, Nye County, Nevada. This well was drilled in the summer of 1999 as part of the U.S. Department of Energy's hydrogeologic investigation program in the Western Pahute Mesa - Oasis Valley region just west of the Nevada Test Site. A 44.5-centimeter surface hole was drilled and cased off to a depth of 129.8 meters below the surface. The hole diameter was then decreased to 31.1 centimeters for drilling to a total depth of 609.6 meters. One completion string with three isolated slotted intervals was installed in the well. A preliminary composite, static water level was measured at the depth of 98.4 meters, 24 days after installation of the completion string. Detailed lithologic descriptions with stratigraphic assignments are included in the report. These are based on evaluation of composite drill cuttings collected every 3 meters, and 20 sidewall samples taken at various depths below 157.9 meters, supplemented by geophysical log data and results of detailed chemical and mineralogical studies of rock samples. Drilling began in Tertiary-age tuff of the Thirsty Canyon Group, and penetrated tuffs of the Beatty Wash Formation, tuff of Buttonhook Wash, and the upper portion of the Ammonia Tanks Tuff. The geologic interpretation of data from this well helps define the location of the western margin of the Timber Mountain caldera complex in the southwestern Nevada volcanic field. Geologic and hydrologic data from the well will aid in development of models to predict groundwater flow and contaminant migration within and near the Nevada Test Site.

Bechtel Nevada

2004-10-01T23:59:59.000Z

120

Completion Report for Well ER-12-2  

SciTech Connect (OSTI)

Well ER-12-2 was drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office, in support of the Nevada Environmental Restoration Project at the Nevada Test Site, Nye County, Nevada. The well was drilled from November 2002 to January 2003 as part of a hydrogeologic investigation program for the Yucca Flat Corrective Action Unit. The overall purpose of the well was to gather subsurface data to better characterize the hydrogeology in the northwestern portion of Yucca Flat. The well was drilled to total measured depth of 2,097.9 meters. The 131.1-centimeter-diameter borehole was left open (i.e., uncased) below the base of the intermediate casing at 901.6 meters. A piezometer string was installed outside the surface casing to a depth of 176.4 meters to monitor a zone of perched water. Data gathered during and shortly after hole construction include composite drill cuttings samples collected every 3 meters, sidewall core samples from 7 depths, various geophysical logs, and water level measurements. These data indicate that the well penetrated, in descending order, 137.5 meters of Quaternary and Tertiary alluvium, 48.8 meters of Tertiary volcanic rocks, 289.6 meters of Mississippian Chainman Shale, and 1,622.5 meters of Mississippian and Upper Devonian Eleana Formation consisting of shale, argillite, sandstone, quartzite, and limestone. Forty-seven days after the well was drilled the water level inside the main hole was tagged at the depth of 65.43 meters, and the water level inside the piezometer string was tagged at 127.14 meters.

Bechtel Nevada

2004-11-01T23:59:59.000Z

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
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121

Pahute Mesa Well Development and Testing Analyses for Wells ER-20-8 and ER-20-4, Nevada National Security Site, Nye County, Nevada, Revision 0  

SciTech Connect (OSTI)

Wells ER-20-4 and ER-20-8 were drilled during fiscal year (FY) 2009 and FY 2010 (NNSA/NSO, 2011a and b). The closest underground nuclear test detonations to the area of investigation are TYBO (U-20y), BELMONT (U-20as), MOLBO (U-20ag), BENHAM (U-20c), and HOYA (U-20 be) (Figure 1-1). The TYBO, MOLBO, and BENHAM detonations had working points located below the regional water table. The BELMONT and HOYA detonation working points were located just above the water table, and the cavity for these detonations are calculated to extend below the water table (Pawloski et al., 2002). The broad purpose of Wells ER-20-4 and ER-20-8 is to determine the extent of radionuclide-contaminated groundwater, the geologic formations, groundwater geochemistry as an indicator of age and origin, and the water-bearing properties and hydraulic conditions that influence radionuclide migration. Well development and testing is performed to determine the hydraulic properties at the well and between other wells, and to obtain groundwater samples at the well that are representative of the formation at the well. The area location, wells, underground nuclear detonations, and other features are shown in Figure 1-1. Hydrostratigraphic cross sections A-A, B-B, C-C, and D-D are shown in Figures 1-2 through 1-5, respectively.

Greg Ruskauff and Sam Marutzky

2012-09-01T23:59:59.000Z

122

Electrospun nanofibers of Er{sup 3+}-doped TiO{sub 2} with photocatalytic activity beyond the absorption edge  

SciTech Connect (OSTI)

Er{sup 3+}-doped TiO{sub 2} nanofibers with different Er{sup 3+} contents were prepared via electrospinning and characterized by X-ray diffraction, scanning electron microscopy, ultravioletvisible diffuse reflectance spectroscopy and photocurrent measurement. Photocatalytic activities of the as-prepared samples were evaluated by the decolorization of methyl orange aqueous solution under simulated solar light irradiation. The results indicated that the photocatalytic activity of Er{sup 3+}-doped TiO{sub 2} nanofibers was much higher than that of the undoped one, and the optimal dosage of Er{sup 3+} at 1 mol% achieved the highest degradation rate. Moreover, the photocatalytic activity of Er{sup 3+}-doped TiO{sub 2} nanofibers under the irradiation of light with the wavelength beyond the absorption edge of TiO{sub 2} was explored by the decolorization of a dye, rhodamine B and the photodegradation of a typical colorless pollutant, phenol. The results further revealed the mechanism of the enhanced photocatalytic activity through Er{sup 3+} doping in TiO{sub 2} nanofibers. - Graphical abstract: Display Omitted - Highlights: ?Er{sup 3+}:TiO{sub 2} nanofibers with different Er{sup 3+} contents were prepared via electrospinning. ?The photocatalytic activity of Er{sup 3+}:TiO{sub 2} was much higher than that of undoped one. ?Er{sup 3+}:TiO{sub 2} could be activated by the light with wavelength beyond the absorption edge.

Zheng, Yali; Wang, Wenzhong, E-mail: wzwang@mail.sic.ac.cn

2014-02-15T23:59:59.000Z

123

Carrier transport properties of nanocrystalline Er{sub 3}N@C{sub 80}  

SciTech Connect (OSTI)

Electrical transport properties of the nanocrystalline Er{sub 3}N@C{sub 80} with fcc crystal structure were characterized by measuring both temperature-dependent d.c. conductance and a.c. impedance. The results showed that the Er{sub 3}N@C{sub 80} sample has characteristics of n-type semiconductor and an electron affinity larger than work function of gold metal. The Er{sub 3}N@C{sub 80}/Au interface has an ohmic contact behavior and the contact resistance was very small as compared with bulk resistance of the Er{sub 3}N@C{sub 80} sample. The charge carriers in the sample were thermally excited from various trapped levels and both acoustic phonon and ionic scatterings become a dominant process in different temperature regions, respectively. At temperatures below 250?K, the activation energy of the trapped carrier was estimated to be 35.5?meV, and the ionic scattering was a dominant mechanism. On the other hand, at temperatures above 350?K, the activation energy was reduced to 15.9?meV, and the acoustic phonon scattering was a dominant mechanism. In addition, a polarization effect from the charge carrier was observed at low frequencies below 2.0 MHz, and the relative intrinsic permittivity of the Er{sub 3}N@C{sub 80} nanocrystalline lattice was estimated to be 4.6 at frequency of 5.0 MHz.

Sun, Yong, E-mail: sun@ele.kyutech.ac.jp; Maeda, Yuki; Sezaimaru, Hiroki; Sakaino, Masamichi [Department of Applied Science for Integrated System Engineering, Kyushu Institute of Technology, Senshuimachi, Tobata, Kitakyushu, Fukuoka 804-8550 (Japan); Kirimoto, Kenta [Department of Electrical and Electronic Engineering, Kitakyushu National College of Technology, 5-20-1 shii, Kokuraminami, Kitakyushu, Fukuoka 802-0985 (Japan)

2014-07-21T23:59:59.000Z

124

Magnetic and superconducting phase diagrams in ErNi2B2C  

SciTech Connect (OSTI)

We present measurements of the superconducting upper critical field Hc2(T) and the magneticphasediagram of the superconductor ErNi2B2C made with a scanning tunneling microscope (STM). The magnetic field was applied in the basal plane of the tetragonal crystal structure. We have found large gapless regions in the superconductingphasediagram of ErNi2B2C, extending between different magnetic transitions. A close correlation between magnetic transitions and Hc2(T) is found, showing that superconductivity is strongly linked to magnetism.

Galvis, J.A.; Crespo, M.; Guillamon, I.; Suderow, Hermann; Vieira, S.; Garcia Hernandez, M.; Budko, Serguei; Canfield, Paul

2012-03-30T23:59:59.000Z

125

Audit Report: ER-L-02-01 | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustionImprovement3--Logistical5/08 Attendance List fromER-L-02-01 Audit Report: ER-L-02-01 February

126

MESSAGE: WIA W/O CLOSING REF CLOSING REF  

Office of Legacy Management (LM)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartment ofDepartment ofofOxford SiteToledo SiteTonawanda North - t ' v I tfi

127

Ice Classification in the Southern Ocean Using ERS-1 Scatterometer David S.Early, David G. Long  

E-Print Network [OSTI]

Ice Classification in the Southern Ocean Using ERS-1 Scatterometer Data David S.Early, David G for classifying Southern Ocean sea ice from enhanced resolution ERS-1 scat- terometer images is presented of a measure of the anisotropy, is used to further help delineate sea ice types. Ice 'l'ype Backscatter feange

Long, David G.

128

Towards an Er-doped Si nanocrystal sensitized waveguide laser the thin line between gain and loss  

E-Print Network [OSTI]

somehow be eliminated from this scheme, the fabrication of low-cost Si based Er doped optical amplifiers1 Towards an Er-doped Si nanocrystal sensitized waveguide laser ­ the thin line between gain-doped Si nanocrystal co-doped SiO2, a composite material that can potentially be fabricated using a VLSI

Polman, Albert

129

Extending ER Models to Capture Database Transformations to Build Data Sets for Data Mining  

E-Print Network [OSTI]

transformation tables in abstract form can be useful not only for optimizing the generation of new data sets stages of data transformation, mathematical functions and the powerful SQL CASE statement, which doesExtending ER Models to Capture Database Transformations to Build Data Sets for Data Mining Carlos

Ordonez, Carlos

130

Environmental and Resource Studies Program Books, Maps & Videos Available For Use in ERS Courses  

E-Print Network [OSTI]

(organized by category, sorted by title) Books are located in ESC A204, and are available to be signed out) Otonabee Region Conservation Report Peterborough and the Kawarthas Practical Organic Chemistry PrinciplesEnvironmental and Resource Studies Program Books, Maps & Videos Available For Use in ERS Courses

Fox, Michael

131

Excellent optical thermometry based on short-wavelength upconversion emissions in Er3  

E-Print Network [OSTI]

Excellent optical thermometry based on short-wavelength upconversion emissions in Er3 Yb3 codoped (Doc. ID 175753); published November 22, 2012 Excited by a 980 nm laser, upconversion emissions coupled levels, which can emit the shortest wavelength emissions for optical thermometry known so far

Cao, Wenwu

132

Optical ampli ers in broadcast optical networks: A Yatindra Nath Singh, miete  

E-Print Network [OSTI]

Optical ampli ers in broadcast optical networks: A survey Yatindra Nath Singh, miete Department@ee.iitd.ernet.in Abstract Optical data networks are needed to meet ever increasing bandwidth re- quirements. Broadcast optical networks can provide easy and reliable imple- mentation of optical networks, but due to limited

Singh Yatindra Nath

133

Propostes temes del treball sobre ER Treball sobre una font d'energia renovable  

E-Print Network [OSTI]

Propostes temes del treball sobre ER Treball sobre una font d'energia renovable Estudi de l'estat de desenvolupament, la implantaci´o i evoluci´o hist`orica d'u- na font d'energia renovable concreta: · Solar fotovoltaica · Solar trmica · Biocombustibiles · Elica Treball sobre una tecnologia espec

Batiste, Oriol

134

Magnetism of Ho and Er Atoms on Close-Packed Metal Surfaces F. Donati,1  

E-Print Network [OSTI]

Magnetism of Ho and Er Atoms on Close-Packed Metal Surfaces F. Donati,1 A. Singha,1 S. Stepanow,2 C; published 3 December 2014) We investigated the magnetic properties of individual Ho atoms adsorbed on the (111) surface of Pt, which have been recently claimed to display single ion magnetic behavior

Thévenaz, Jacques

135

ALGEBRA LINEAL I 1er Curso de CC. Fisicas. Examen Final. 4 de Febrero de 2005.  

E-Print Network [OSTI]

ALGEBRA LINEAL I 1er Curso de CC. Fisicas. Examen Final. 4 de Febrero de 2005. Apellidos: Nombre aplicacion lineal f : R3 R3 tal que Kerf = Nf x -y = 0 y -z = 0 Imf x + 2y + 3z = 0. 4. Sean L, U y B

Guijarro, Luis

136

Evaluation of ERS Scatterometer soil moisture products over a half-degree region in Southwestern France  

E-Print Network [OSTI]

. Based on a high resolution soil moisture simulation (1km²) validated at the local scale, the ERS in the water and energy exchanges between the land surface and the atmosphere. Several authors have shown027231 #12;Aeronautics and Space Administration (NASA) sensors such as the AMSR-E radiometer (since 2002

Paris-Sud XI, Université de

137

DEPARTIIIENT OF ENERGY EE RE PROJECT MANAG EM ENT CENT ER NEPA...  

Broader source: Energy.gov (indexed) [DOE]

Irmo u.s. DEPARTIIIENT OF ENERGY EE RE PROJECT MANAG EM ENT CENT ER NEPA DETElThIINAIION PROJECT TITl.E: Irma Charing Cross Sidewalk Project ARRA-EECBG Page 1 of2 fJ Wl G) STATE:...

138

NEWS FOR ECE ILLINOIS ALUMNI AND FRIENDS WINtER 20092010  

E-Print Network [OSTI]

to study renewable energy 2 ECE news briefs 3 Andreas Cangellaris named head of ECE ILLINOIS 4 ArchitectNEWS FOR ECE ILLINOIS ALUMNI AND FRIENDS WINtER 2009­2010 Also in this issue: Goddard receives 2009­2010 To alumni and friends of ECE ILLINOIS, Speaking at a special session on scientific

Liu, Gang "Logan"

139

DEPARTMENT OF THE ARMY ER 11-1-XXX U.S. Army Corps of Engineers  

E-Print Network [OSTI]

#12;DEPARTMENT OF THE ARMY ER 11-1-XXX U.S. Army Corps of Engineers CECW-EV Washington, D.C. 20314 Military Sales (FMS), and any other Federal funded programs with a total project cost of $1 million or more

US Army Corps of Engineers

140

500 ZENITNovEmbEr2010 Warmte-eilandeffect van de stad Utrecht  

E-Print Network [OSTI]

500 ZENITNovEmbEr2010 Warmte-eilandeffect van de stad Utrecht Foto: Eclipse Ballooning, www waargenomen opwarming van de aarde. Het KNMI heeft daarom mobiele metingen ver- richt in de stad Utrecht. De indicatie van het effect van het warmte-eiland van de stad Utrecht op de temperatuur in De Bilt. W armte

Brandsma, Theo

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Een robotvogel die zo natuurge-trouw vliegt dat andere vogels er  

E-Print Network [OSTI]

bewegen. Die spieren kun je niet allemaal nabootsen in een kleine robot. Dus komt er flink wat analyse aan te pas om toch een robot te ontwerpen die levensecht vliegt. Die van Nijenhuis vliegt op een accu en.clearflightsolutions.com DOOR Christian Jongeneel fOtOgRafie Gijs van Ouwerkerk spin-Off RObOtvOGel "In de varianten valk en

Twente, Universiteit

142

Gain Improvement of Er-doped Amplifiers for the Feedback Filters  

E-Print Network [OSTI]

contrast between these two materials and the electro-optical properties of Ti: LiNbO3. Furthermore, waveguide gain is introduced through selective surface erbium (Er) doping which yields high quality loss-compensated or even amplifying waveguides without...

Song, Xiaomin

2012-02-14T23:59:59.000Z

143

RisNyt NO1 2005 "Det globale brintsamfund er et langsigtet  

E-Print Network [OSTI]

bæredygtigt brint- samfund. Arbejdet udføres under European Fuel Cell and Hydrogen Platform, som er på vej med." Sådan beskriver afdelings- chef Hans Larsen budskabet fra International Hydrogen Day i Berlin, hvor han gaffeltruck. Amtet har bevilget 3,75 millioner kr. i årene 2004-2006 til Hydrogen Innovation & Research Centre

144

76 PostErs EMBnet.journal 19.B An ontology describing congenital heart defects data  

E-Print Network [OSTI]

76 PostErs EMBnet.journal 19.B An ontology describing congenital heart defects data Charalampos interests: the authors have declared that no competing interests exist. Abstract Congenital heart defects (CHDs) are a group of diseases characterized by a structural anomaly of the heart that is pre- sent

145

Synthesis of multiferroic Er-Fe-O thin films by atomic layer and chemical vapor deposition  

SciTech Connect (OSTI)

R-Fe-O (R?=?rare earth) compounds have recently attracted high interest as potential new multiferroic materials. Here, we report a method based on the solid-state reaction between Er{sub 2}O{sub 3} and Fe layers, respectively grown by atomic layer deposition and chemical vapor deposition, to synthesize Er-Fe-O thin films. The reaction is induced by thermal annealing and evolution of the formed phases is followed by in situ grazing incidence X-ray diffraction. Dominant ErFeO{sub 3} and ErFe{sub 2}O{sub 4} phases develop following subsequent thermal annealing processes at 850?C in air and N{sub 2}. Structural, chemical, and morphological characterization of the layers are conducted through X-ray diffraction and reflectivity, time-of-flight secondary ion-mass spectrometry, and atomic force microscopy. Magnetic properties are evaluated by magnetic force microscopy, conversion electron Mssbauer spectroscopy, and vibrating sample magnetometer, being consistent with the presence of the phases identified by X-ray diffraction. Our results constitute a first step toward the use of cost-effective chemical methods for the synthesis of this class of multiferroic thin films.

Mantovan, R., E-mail: roberto.mantovan@mdm.imm.cnr.it; Vangelista, S.; Wiemer, C.; Lamperti, A.; Tallarida, G. [Laboratorio MDM IMM-CNR, I-20864 Agrate Brianza (MB) (Italy); Chikoidze, E.; Dumont, Y. [GEMaC, Universit de Versailles St. Quentin en Yvelines-CNRS, Versailles (France); Fanciulli, M. [Laboratorio MDM IMM-CNR, I-20864 Agrate Brianza (MB) (Italy); Dipartimento di Scienza dei Materiali, Universit di Milano Bicocca, Milano (Italy)

2014-05-07T23:59:59.000Z

146

Effect of Er doping on the structural and magnetic properties of cobalt-ferrite  

SciTech Connect (OSTI)

Nanocrystalline particulates of Er doped cobalt-ferrites CoFe{sub (2?x)}Er{sub x}O{sub 4} (0???x???0.04), were synthesized, using sol-gel assisted autocombustion method. Co-, Fe-, and Er- nitrates were the oxidizers, and malic acid served as a fuel and chelating agent. Calcination (400600?C for 4?h) of the precursor powders was followed by sintering (1000?C for 4?h) and structural and magnetic characterization. X-ray diffraction confirmed the formation of single phase of spinel for the compositions x?=?0, 0.01, and 0.02; and for higher compositions an additional orthoferrite phase formed along with the spinel phase. Lattice parameter of the doped cobalt-ferrites was higher than that of pure cobalt-ferrite. The observed red shift in the doped cobalt-ferrites indicates the presence of induced strain in the cobalt-ferrite matrix due to large size of the Er{sup +3} compared to Fe{sup +3}. Greater than two-fold increase in coercivity (?66?kA/m for x?=?0.02) was observed in doped cobalt-ferrites compared to CoFe{sub 2}O{sub 4} (?29?kA/m)

Prathapani, Sateesh; Vinitha, M.; Das, D., E-mail: ddse@uohyd.ernet.in [School of Engineering Sciences and Technology, University of Hyderabad, Hyderabad 500046 (India); Jayaraman, T. V. [Department of Mechanical and Materials Engineering, University of Nebraska, Lincoln, Nebraska 68588 (United States)

2014-05-07T23:59:59.000Z

147

Melting of small Arctic ice caps observed from ERS scatterometer time series  

E-Print Network [OSTI]

Melting of small Arctic ice caps observed from ERS scatterometer time series Laurence C. Smith,1 of melt onset can be observed over small ice caps, as well as the major ice sheets and multi-year sea ice for 14 small Arctic ice caps from 19922000. Interannual and regional variability in the timing of melt

Smith, Laurence C.

148

CW-Pumped Evanescent Amplification Based on Side-Polished Fiber with Heavily Er3  

E-Print Network [OSTI]

CW-Pumped Evanescent Amplification Based on Side-Polished Fiber with Heavily Er3þ -Doped Glass) A novel diffractive-pumping scheme is proposed to improve the evanescent amplification using blazed fiber grating for the first time. We also investigate the cw-pumped evanescent amplification at 1.55 mm

Shy,Jow-Tsong

149

Creating your Own Marketing Plan Part 1: CVs Res mes & Co erCVs, Resumes, & Cover  

E-Print Network [OSTI]

Creating your Own Marketing Plan Part 1: CVs Res mes & Co erCVs, Resumes, & Cover Letters Tim for communicating fit Special Addition: what happens to your resume? Anything else?y g 2Affymetrix Confidential #12's perspective)p p ) 6Affymetrix Confidential #12;Creating Your Own Marketing Plan I:Plan I: CV's, Resumes

Puglisi, Joseph

150

? "Y SILF: WE,ASIiER ? Mailed Mov. 15, 1934 A Science Service Feature  

E-Print Network [OSTI]

of polr?er, t o the humidity and under extreme atmosi3heric conditions t?cy mount t o 30 per Cent. According t o the United States Bureau of Standards this idea sulting from the lubrication of the sprint be obtained under conditions of high humidity.a ( A l l rights reserved by Science Service, Inc,) u - - I

151

954ER4 Specification 4 ports RS-232 PCI-Express Serial cards  

E-Print Network [OSTI]

954ER4 Specification 4 ports RS-232 PCI-Express Serial cards FEATURES 4 independent RS-232 serial ports with communication speeds up to 230 921 ­­­­Kbps Designed to meet PCI-Express Base Specification PC system. Majority of today's motherboard no longer come with serial ports or only have one port

Berns, Hans-Gerd

152

That which does not kill me makes me stronger: adapting to chronic ER stress  

E-Print Network [OSTI]

by activating signal transduction cascades that improve protein folding. One example of such a cascade is the unfolded protein response (UPR), which senses protein folding stress in the endoplasmic reticulum (ER) and leads to improvement in the protein folding and proces- sing capacity of the organelle. A central

Bedwell, David M.

153

From: TO: Subj: Ref: Encl:  

Office of Legacy Management (LM)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartment ofDepartment ofof EnergyYou$ EGcG ENERGYELIkNATION REPORTFairfield,? . -.From:

154

Earth&atmosphEricsciEncEs MatheMatics  

E-Print Network [OSTI]

research buildings currently under construction on our South Campus. The Division made impressive progress laboratories. The roster for our Biochem- istry Seminar included two speakers who went on to receive Nobel

Lombardi, John R.

155

The electroluminescence mechanism of Er{sup 3+} in different silicon oxide and silicon nitride environments  

SciTech Connect (OSTI)

Rare earth doped metal-oxide-semiconductor (MOS) structures are of great interest for Si-based light emission. However, several physical limitations make it difficult to achieve the performance of light emitters based on compound semiconductors. To address this point, in this work the electroluminescence (EL) excitation and quenching mechanism of Er-implanted MOS structures with different designs of the dielectric stack are investigated. The devices usually consist of an injection layer made of SiO{sub 2} and an Er-implanted layer made of SiO{sub 2}, Si-rich SiO{sub 2}, silicon nitride, or Si-rich silicon nitride. All structures implanted with Er show intense EL around 1540?nm with EL power efficiencies in the order of 2??10{sup ?3} (for SiO{sub 2}:Er) or 2??10{sup ?4} (all other matrices) for lower current densities. The EL is excited by the impact of hot electrons with an excitation cross section in the range of 0.51.5??10{sup ?15?}cm{sup ?2}. Whereas the fraction of potentially excitable Er ions in SiO{sub 2} can reach values up to 50%, five times lower values were observed for other matrices. The decrease of the EL decay time for devices with Si-rich SiO{sub 2} or Si nitride compared to SiO{sub 2} as host matrix implies an increase of the number of defects adding additional non-radiative de-excitation paths for Er{sup 3+}. For all investigated devices, EL quenching cross sections in the 10{sup ?20} cm{sup 2} range and charge-to-breakdown values in the range of 110 C cm{sup ?2} were measured. For the present design with a SiO{sub 2} acceleration layer, thickness reduction and the use of different host matrices did not improve the EL power efficiency or the operation lifetime, but strongly lowered the operation voltage needed to achieve intense EL.

Rebohle, L., E-mail: l.rebohle@hzdr.de; Wutzler, R.; Braun, M.; Helm, M.; Skorupa, W. [Institute of Ion Beam Physics and Materials Research, Helmholtz-Zentrum Dresden - Rossendorf, Bautzner Landstrae 400, 01328 Dresden (Germany); Berencn, Y.; Ramrez, J. M.; Garrido, B. [Dept. Electrnica, Mart i Franqus 1, Universitat de Barcelona, 08028 Barcelona (Spain); Hiller, D. [IMTEK, Faculty of Engineering, Albert-Ludwigs-University Freiburg, Georges-Khler-Allee 103, 79110 Freiburg (Germany)

2014-09-28T23:59:59.000Z

156

Selective emission and luminescence of Er{sub 2}O{sub 3} under intense laser excitation  

SciTech Connect (OSTI)

The microstructure of Er{sub 2}O{sub 3} polycrystals synthesised by laser heating is studied. The synthesis of erbium silicate (Er{sub 2}SiO{sub 5}) layers was observed upon interaction of Er{sub 2}O{sub 3} and SiO{sub 2} melts. The dependences of the selective emission (SE) and luminescence spectra of Er{sub 2}O{sub 3} polycrystals in the range 200 1700 nm on the intensity of laser-thermal (at the wavelength ? = 10.6 ?m) and resonant laser (? ? 975 nm) excitation are investigated. The emission of heated Er{sub 2}O{sub 3} polycrystals arises as a result of multiphonon relaxation of absorbed energy and is a superposition of the SE at the electronic-vibrational transitions of Er{sup 3+} ions and the thermal radiation of the crystal lattice. The shape of the SE spectra of Er{sub 2}O{sub 3} polycrystals in the range 400 1700 nm almost does not change upon laser-thermal heating from 300 to 1500 K and subsequent cooling and corresponds to the absorption spectra of Er{sup 3+} ions. With increasing temperature, the thermal radiation intensity increases faster than the SE intensity, and the shape of the Er{sub 2}O{sub 3} spectrum becomes closer to the calculated spectrum of a blackbody. The anti-Stokes luminescence spectra of Er{sup 3+} ions formed under intense laser excitation of the {sup 4}I{sub 11/2} level are explained by additional SE caused by heating of the crystal matrix due to the Stokes losses. A difference between the SE and luminescence spectra is observed at low intensities of resonant laser excitation and low temperatures, when only the Stokes luminescence occurs. The temperature dependences of the SE and luminescence spectra of Er{sub 2}O{sub 3} upon laser excitation testify to the fundamental role played by the interaction of the electronic f-shell of Er{sup 3+} ions with crystal lattice vibrations in the processes of multiphonon radiative and nonradiative relaxation. The laser-thermal synthesis is promising for inprocess variation of the chemical composition of rare-earth samples. (interaction of laser radiation with matter)

Marchenko, V M; Studenikin, M I [A M Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow (Russian Federation); Iskhakova, L D [Fiber Optics Research Center, Russian Academy of Sciences, Moscow (Russian Federation)

2013-09-30T23:59:59.000Z

157

High multi-photon visible upconversion emissions of Er{sup 3+} singly doped BiOCl microcrystals: A photon avalanche of Er{sup 3+} induced by 980?nm excitation  

SciTech Connect (OSTI)

Under 980?nm excitation, high multi-photon upconversion (UC) emission from the {sup 2}H{sub 11/2}/{sup 4}S{sub 3/2} (green) and {sup 4}F{sub 9/2} (red) levels of Er{sup 3+} ions were observed from Er{sup 3+} singly doped BiOCl microcrystals. These high-energy excited states were populated by a three to ten photon UC process conditionally, which depended on the pump power density and the Er{sup 3+} ion doping concentration, characterizing as a hetero-looping enhanced energy transfer avalanche UC process. UC emission lifetime and Raman analysis suggest that the unusual UC phenomena are initiated by the new and intense phonon vibration modes of BiOCl lattices due to Er{sup 3+} ions doping.

Li, Yongjin; Song, Zhiguo, E-mail: songzg@kmust.edu.cn; Li, Chen; Wan, Ronghua; Qiu, Jianbei; Yang, Zhengwen; Yin, Zhaoyi; Yang, Yong; Zhou, Dacheng; Wang, Qi [School of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093 (China)] [School of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093 (China)

2013-12-02T23:59:59.000Z

158

Lasing characteristics of Er/sup 3 +/-doped silica fibers from 1553 up to 1603 nm  

SciTech Connect (OSTI)

The laser oscillations from 1553 up to 1603 nm have been demonstrated in Er/sup 3 +/-doped silica fibers with a doping rate of 2500 ppm. Wide changes in laser oscillation wavelengths are due to broad splitting of the upper sublevels in the /sup 4/I/sub 152/ manifold, caused by the random structure of the silica matrix. It has been shown that unpumped parts of the Er/sup 3 +/ ions in the end pumped fiber laser configuration play an important role in the wavelength changes of the laser oscillation. For an absorbed pump power of 320 mW at 514 nm, output power of 0.5 mW was obtained at 1603 nm.

Kimura, Y.; Nakazawa, M.

1988-07-15T23:59:59.000Z

159

The Theory of High Energy Collision Processes - Final Report DOE/ER/40158-1  

SciTech Connect (OSTI)

In 1984, DOE awarded Harvard University a new Grant DE-FG02-84ER40158 to continue their support of Tai Tsun Wu as Principal Investigator of research on the theory of high energy collision processes. This Grant was renewed and remained active continuously from June 1, 1984 through November 30, 2007. Topics of interest during the 23-year duration of this Grant include: the theory and phenomenology of collision and production processes at ever higher energies; helicity methods of QED and QCD; neutrino oscillations and masses; Yang-Mills gauge theory; Beamstrahlung; Fermi pseudopotentials; magnetic monopoles and dyons; cosmology; classical confinement; mass relations; Bose-Einstein condensation; and large-momentum-transfer scattering processes. This Final Report describes the research carried out on Grant DE-FG02-84ER40158 for the period June 1, 1984 through November 30, 2007. Two books resulted from this project and a total of 125 publications.

Wu, Tai, T.

2011-09-15T23:59:59.000Z

160

Photonic crystal light emitting diode based on Er and Si nanoclusters co-doped slot waveguide  

SciTech Connect (OSTI)

We report on the design, fabrication, and electro-optical characterization of a light emitting device operating at 1.54??m, whose active layer consists of silicon oxide containing Er-doped Si nanoclusters. A photonic crystal (PhC) is fabricated on the top-electrode to enhance the light extraction in the vertical direction, and thus the external efficiency of the device. This occurs if a photonic mode of the PhC slab is resonant with the Er emission energy, as confirmed by theoretical calculations and experimental analyses. We measure an increase of the extraction efficiency by a factor of 3 with a high directionality of light emission in a narrow vertical cone. External quantum efficiency and power efficiency are among the highest reported for this kind of material. These results are important for the realization of CMOS-compatible efficient light emitters at telecom wavelengths.

Lo Savio, R.; Galli, M.; Liscidini, M.; Andreani, L. C. [Dipartimento di Fisica, Universit di Pavia, Via Bassi 6, 27100 Pavia (Italy); Franz, G.; Iacona, F.; Miritello, M. [MATIS-IMM CNR and Dipartimento di Fisica e Astronomia, Universit di Catania, via S. Sofia 64, 95123 Catania (Italy); Irrera, A. [CNR-IPCF, Viale Ferdinando Stagno d'Alcontres 37, 98158 Messina (Italy); Sanfilippo, D.; Piana, A. [ST Microelectronics, Stradale Primosole 50, 95121 Catania (Italy); Priolo, F. [MATIS-IMM CNR and Dipartimento di Fisica e Astronomia, Universit di Catania, via S. Sofia 64, 95123 Catania (Italy); Scuola Superiore di Catania, Universit di Catania, Via Valdisavoia 9, 95123 Catania (Italy)

2014-03-24T23:59:59.000Z

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

IA --"-IScience Service Featuse 'I WHY T i E IJEAYIiER ?  

E-Print Network [OSTI]

No. 591 April 3 IA --"-IScience Service Featuse 'I WHY T i E IJEAYIiER ? II city located oa the Ice.pp';g a% Bidialo, The ice c h i l l s a t h i n laye:. of a i r aver the Sake aridto laewwd. NOW$ vhen r may be srrfficionl t o produce a sheet cloud and g i ~ eBuffalo a day not oalg dwnt arid chilly Lu

162

Amorphous Diamond Flat Panel Displays - Final Report of ER-LTR CRADA project with SI Diamond Technology  

E-Print Network [OSTI]

Department of Energy under a CRADA (Cooperative Research andnm in size. Page 4 of 7 SIDT CRADA Final Report In order toFinal report of ER-LTR CRADA Project Lawrence Berkeley

Ager III, Joel W.

1998-01-01T23:59:59.000Z

163

Audit Report: ER-B-00-03 | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energyon ArmedWaste andAccess to OUO AccessOpportunity |Report:892 Auditthe IdahoER-B-00-03

164

Audit Report: ER-B-95-05 | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energyon ArmedWaste andAccess to OUO AccessOpportunity |Report:892 AudittheER-B-95-05 Audit

165

Audit Report: ER-B-95-06 | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energyon ArmedWaste andAccess to OUO AccessOpportunity |Report:892 AudittheER-B-95-05

166

Audit Report: ER-B-96-02 | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energyon ArmedWaste andAccess to OUO AccessOpportunity |Report:892 AudittheER-B-95-052 Audit

167

Audit Report: ER-B-97-03 | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energyon ArmedWaste andAccess to OUO AccessOpportunity |Report:892 AudittheER-B-95-052

168

Audit Report: ER-B-98-01 | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energyon ArmedWaste andAccess to OUO AccessOpportunity |Report:892 AudittheER-B-95-0528-01

169

Audit Report: ER-B-98-02 | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energyon ArmedWaste andAccess to OUO AccessOpportunity |Report:892 AudittheER-B-95-0528-012

170

Audit Report: ER-B-98-05 | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energyon ArmedWaste andAccess to OUO AccessOpportunity |Report:892ER-B-98-05 Audit Report:

171

Audit Report: ER-B-98-07 | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energyon ArmedWaste andAccess to OUO AccessOpportunity |Report:892ER-B-98-05 Audit

172

Audit Report: ER-B-98-08 | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energyon ArmedWaste andAccess to OUO AccessOpportunity |Report:892ER-B-98-05 Audit8-08 Audit

173

Audit Report: ER-B-98-09 | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energyon ArmedWaste andAccess to OUO AccessOpportunity |Report:892ER-B-98-05 Audit8-08

174

Y-12ers earn degrees through Friday Academy | Y-12 National Security  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered energy consumption byAbout SRNL Home SRNLSecurityNationalComplex ers earn

175

Absence of exchange interaction between localized magnetic moments and conduction-electrons in diluted Er{sup 3+} gold-nanoparticles  

SciTech Connect (OSTI)

The Electron Spin Resonance (ESR) of diluted Er{sup 3+} magnetic ions in Au nanoparticles (NPs) is reported. The NPs were synthesized by reducing chloro triphenyl-phosphine gold(I) and erbium(III) trifluoroacetate. The Er{sup 3+} g-value along with the observed hyperfine splitting indicate that the Er{sup 3+} impurities are in a local cubic symmetry. Furthermore, the Er{sup 3+} ESR spectra show that the exchange interaction between the 4f and the conduction electrons (ce) is absent or negligible in Au{sub 1x}Er{sub x} NPs, in contrast to the ESR results in bulk Au{sub 1x}Er{sub x}. Therefore, the nature of this interaction needs to be reexamined at the nano scale range.

Lesseux, G. G., E-mail: lesseux@ifi.unicamp.br; Urbano, R. R. [Instituto de Fsica Gleb Wataghin, UNICAMP, 13083-859 Campinas, So Paulo (Brazil); Iwamoto, W. [Instituto de Fsica Gleb Wataghin, UNICAMP, 13083-859 Campinas, So Paulo (Brazil); Instituto de Fsica, UFU, 38400-902 Uberlndia, Minas Gerais (Brazil); Garca-Flores, A. F. [Centro de Cincias Naturais e Humanas, UFABC, 09210-971 Santo Andr, So Paulo (Brazil); Rettori, C. [Instituto de Fsica Gleb Wataghin, UNICAMP, 13083-859 Campinas, So Paulo (Brazil); Centro de Cincias Naturais e Humanas, UFABC, 09210-971 Santo Andr, So Paulo (Brazil)

2014-05-07T23:59:59.000Z

176

Coupling of Er light emissions to plasmon modes on In{sub 2}O{sub 3}: Sn nanoparticle sheets in the near-infrared range  

SciTech Connect (OSTI)

Near-infrared Er photoluminescence (PL) is markedly modified using a plasmonic In{sub 2}O{sub 3}: Sn nanoparticle (NP) sheet. Modeling and optical measurements reveal the presence of different electric fields (E-field) in the NP sheet. The local E-field excited at the interface between the NP sheet and Er-emitting layer of ZnO contributes significantly towards the spectral modifications of Er PL due to matching with the photon energy of Er PL. We also determine the critical temperature for Er PL modifications, which is related to the energy transfer efficiency between Er transition dipoles in ZnO and the plasmon modes on the NP sheet.

Matsui, Hiroaki, E-mail: hiroaki@ee.t.u-tokyo.ac.jp; Tabata, Hitoshi [Department of Bioengineering, The University of Tokyo, 1-3-7 Hongo, Bunkyo-ku, Tokyo 113-8656 (Japan); Department of Electrical Engineering and Information Systems, The University of Tokyo, 1-3-7 Hongo, Bunkyo-ku, Tokyo 113-8656 (Japan); Badalawa, Wasanthamala; Nomura, Wataru; Yatsui, Takashi; Ohtsu, Motoichi [Department of Electrical Engineering and Information Systems, The University of Tokyo, 1-3-7 Hongo, Bunkyo-ku, Tokyo 113-8656 (Japan); Hasebe, Takayuki [Central Customs Laboratory, Ministry of Finance, 5-3-6 Kashiwanoha, Kashiwa, Chiba 270-0882 (Japan); Furuta, Shinya [Tomoe Works Co. Ltd., 1-3-6 Namiyoke, Minato-ku, Osaka 552-0001 (Japan)

2014-07-28T23:59:59.000Z

177

Er{sup 3+}/Yb{sup 3+}co-doped bismuth molybdate nanosheets upconversion photocatalyst with enhanced photocatalytic activity  

SciTech Connect (OSTI)

In this paper, we report the microwave hydrothermal synthesis of Er{sup 3+}/Yb{sup 3+} co-doped Bi{sub 2}MoO{sub 6} upconversion photocatalyst. Crystal structure, morphology, elemental composition, optical properties and BET surface area were analyzed in detail. Infrared to visible upconversion luminescence at 532 nm and 546 nm of the co-doped samples was investigated under excitation at 980 nm. The results revealed that the co-doping of Er{sup 3+}/Yb{sup 3+} into Bi{sub 2}MoO{sub 6} exhibited enhanced photocatalytic activity for the decomposition of rhodamine B under simulated solar light irradiation. Enhanced photocatalytic activity can be attributed to the energy transfer between Er{sup 3+}/Yb{sup 3+} and Bi{sub 2}MoO{sub 6} via infrared to visible upconversion from Er{sup 3+}/Yb{sup 3+} ion and higher surface area of the Bi{sub 2}MoO{sub 6} nanosheets. Therefore, this synthetic approach may exhibit a better alternative to fabricate upconversion photocatalyst for integral solar light absorption. - Graphical abstract: Schematic illustration of the upconversion photocatalysis. Display Omitted - Highlights: Er{sup 3+}/Yb{sup 3+} co-doped Bi{sub 2}MoO{sub 6} upconversion photocatalyst is successfully synthesized. We obtained the nanosheets having high surface area. Upconversion of IR to visible light was confirmed. Upconversion phenomena can be utilized for effective photocatalysis.

Adhikari, Rajesh; Gyawali, Gobinda; Cho, Sung Hun [Research Center for Eco-Multifunctional Nanomaterials, Sun Moon University (Korea, Republic of); Narro-Garca, R. [Centro de Investigaciones en ptica, A. P.1-948, Len, Gto. 37150, Mxico (Mexico); Sekino, Tohru [Institute of Multidisciplinary Research for Advanced Materials, Tohoku University (Japan); Lee, Soo Wohn, E-mail: swlee@sunmoon.ac.kr [Research Center for Eco-Multifunctional Nanomaterials, Sun Moon University (Korea, Republic of)

2014-01-15T23:59:59.000Z

178

Atelier " i l ti ri e e l i e e ilie lli i el " e re er t ire e ri  

E-Print Network [OSTI]

Atelier " i l ti ri e e l i e e ilie lli i el " e re er t ire e ri A r e i ti e A r e l i e ti l i e et le r l e e l er et re l i " le i ti e" i i t er e i i e r le l r e elle ti te relle t et r r el t li #12; Atelier " i l ti ri e e l i e e ilie lli i el " e re er t ire e ri

Passot, Thierry

179

The role of Nb in intensity increase of Er ion upconversion luminescence in zirconia  

SciTech Connect (OSTI)

It is found that Nb co-doping increases the luminescence and upconversion luminescence intensity in rare earth doped zirconia. Er and Yb-doped nanocrystalline samples with or without Nb co-doping were prepared by sol-gel method and thermally annealed to check for the impact of phase transition on luminescence properties. Phase composition and grain sizes were examined by X-ray diffraction; the morphology was checked by scanning- and high-resolution transmission electron microscopes. Both steady-state and time-resolved luminescence were studied. Comparison of samples with different oxygen vacancy concentrations and different Nb concentrations confirmed the known assumption that oxygen vacancies are the main agents for tetragonal or cubic phase stabilization. The oxygen vacancies quench the upconversion luminescence; however, they also prevent agglomeration of rare-earth ions and/or displacement of rare-earth ions to grain surfaces. It is found that co-doping with Nb ions significantly (>20 times) increases upconversion luminescence intensity. Hence, ZrO{sub 2}:Er:Yb:Nb nanocrystals may show promise for upconversion applications.

Smits, K., E-mail: smits@cfi.lu.lv; Sarakovskis, A.; Grigorjeva, L.; Millers, D. [Institute of Solid State Physics, University of Latvia, 8 Kengaraga Str., Riga LV1063 (Latvia); Grabis, J. [Institute of Inorganic Chemistry, Riga Technical University, Salaspils-1 LV2169 (Latvia)

2014-06-07T23:59:59.000Z

180

Atomistic simulation of Er irradiation induced defects in GaN nanowires  

SciTech Connect (OSTI)

Classical molecular dynamics simulation was used to irradiate a GaN nanowire with rear-earth erbium (Er). Ten cumulative irradiations were done using an ion energy of 37.5?keV on a 10??10?nm{sup 2} surface area which corresponds to a fluence of 1??10{sup 13?}cm{sup ?2}. We studied the location and types of defects produced in the irradiation. Er implantation leads to a net positive (expansion) strain in the nanowire and especially at the top region a clear expansion has been observed in the lateral and axial directions. The lattice expansion is due to the hydrostatic strain imposed by a large number of radiation induced defects at the top of the NW. Due to the large surface-to-volume ratio, most of the defects were concentrated at the surface region, which suggests that the experimentally observed yellow luminescence (YL) in ion implanted GaN NWs arises from surface defects. We observed big clusters of point defects and vacancy clusters which are correlated with stable lattice strain and the YL band, respectively.

Ullah, M. W., E-mail: mohammad.ullah@helsinki.fi; Kuronen, A.; Djurabekova, F.; Nordlund, K. [Department of Physics, University of Helsinki, P.O. Box 64, FIN-00014 (Finland); Stukowski, A. [Technische Universitt Darmstadt, 64287 Darmstadt (Germany)

2014-09-28T23:59:59.000Z

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

The {beta}-Decay Properties of Scissors Mode 1{sup +} States in {sup 164}Er  

SciTech Connect (OSTI)

The beta decay properties of collective I{sup {pi}}K = 1{sup +}1 states in doubly even deformed {sup 164}Er nuclei are investigated in the framework of the rotational invariant random-phase approximation. It is shown that an essential decrease of the rate of the allowed {beta}-decay to the excited 1{sup +}-states as compared with that to the ground state may be due to the orbital nature of the states. The model Hamiltonian includes restoring rotational invariance of the deformed single particle Hamiltonian forces and the spin-spin interactions. The analytical expressions for the Gamov-Teller (G-T) and Fermi (F) decay matrix elements are derived. The single-particle energies were obtained from the Warsaw deformed Woods-Saxon potential with deformation parameter {delta}{sub 2} = 0.24. The numerical results for {beta}{sup +} transition from {sup 164}Tm to {sup 164}Er indicate the importance of using rotational invariant Hamiltonian to explain experimental data.

Yildirim, Z.; Kuliev, A.; Ozkan, S. [Sakarya University, Department of Physics, 54100, Sakarya (Turkey); Guliyev, E. [Institute of Physics, Academy of Sciences, H. Cavid Avenue 33, Baku (Azerbaijan); Institut fur Kernphysik, Technische Universitat Darmstadt, Darmstadt (Germany)

2008-11-11T23:59:59.000Z

182

High-power, hybrid Er:fiber/Tm:fiber frequency comb source in the 2 {\\mu}m wavelength region  

E-Print Network [OSTI]

We present a 2-\\mum frequency comb based on a reliable mode-locked Er:fiber laser with 100 MHz repetition rate. After shifting the spectrum of the amplified Er:fiber comb to longer wavelengths, a single-clad Tm/Ho:fiber is used as a self-pumped pre-amplifier to generate a coherent and broadband spectrum centered at 1.93 \\mum. Subsequently, a cladding-pumped Tm:fiber amplifier boosts the system to a maximum output power of 4.8 W at 1.96 \\mum. After compression in a compact grating compressor, our amplified Er:fiber/Tm:fiber hybrid system delivers as much as 2.9 W with a pulse duration of 141 fs. The system's comb properties are examined via heterodyne measurement.

Adler, Florian

2012-01-01T23:59:59.000Z

183

In-situ observation of ErD2 formation during D2 loading via neutron diffraction.  

SciTech Connect (OSTI)

In an effort to better understand the structural changes occurring during hydrogen loading of erbium target materials, we have performed in situ D{sub 2} loading of erbium metal (powder) at temperature (450 C) with simultaneous neutron diffraction analysis. This experiment tracked the conversion of Er metal to the {alpha} erbium deuteride (solid-solution) phase and then into the {beta} (fluorite) phase. Complete conversion to ErD{sub 2.0} was accomplished at 10 Torr D{sub 2} pressure with deuterium fully occupying the tetrahedral sites in the fluorite lattice.

Browning, James Frederick (Oak Ridge National Laboratory, Oak Ridge, TN); Llobet, Anna (Los Alamos National Laboratory, Los Alamos, NM); Snow, Clark Sheldon; Rodriguez, Mark Andrew; Wixom, Ryan R.

2010-09-01T23:59:59.000Z

184

Specific features of self-compensation in Er{sub x}Sn{sub 1-x}Se solid solutions  

SciTech Connect (OSTI)

The effect of doping and degree of compensation on the conductivity activation energy {Delta}E{sub i} in Er{sub x}Sn{sub 1-x}Se has been investigated. The carrier concentration decreases at a low doping level in the case of low and moderate compensations. It is found that, beginning with x {>=} 0.005 at % Er, carriers in the solid solutions under study change sign, depending on the amount of substituted erbium in the SnSe samples that is in equilibrium with the selenium phase. This phenomenon can be explained in terms of the concepts of the self-compensation of donors in the Sn sublattice.

Huseynov, J. I., E-mail: cih_58@mail.ru; Murguzov, M. I.; Ismayilov, Sh. S. [Azerbaijan State Pedagogical University (Azerbaijan)

2013-03-15T23:59:59.000Z

185

Mechanisms of coactivation of estrogen receptor alpha (ER alpha)- and ER alpha/Sp-mediated gene transactivation by vitamin D receptor interacting protein 205 (DRIP205) in breast cancer cells  

E-Print Network [OSTI]

Vitamin D interacting protein 205 (DRIP205) is a mediator complex protein that anchors the complex to the estrogen receptor (ER) and other nuclear receptors (NRs). In ZR-75 breast cancer cells treated with 17?-estradiol (E2) and transfected with a...

Wu, Qian

2009-05-15T23:59:59.000Z

186

Ref. ESO doc number File name Document title Author MD03 E-PLA-MET-503-0003 e-pla-met-503-0003-future_man_dev_plan.pdf Future Development and Management Plan F. Molster  

E-Print Network [OSTI]

Ref. ESO doc number File name Document title Author MD03 E-PLA-MET-503-0003 e-pla-met-503 S. Hippler MD16 E-PLA-MET-503-0016 e-pla-met-503-0016-ait_plan.pdf AIT Plan F. Molster MD17 E

Siebenmorgen, Ralf

187

IFP --Oil & Gas Science and Technology --(Script : 1er specimen) --1 --Oil & Gas Science and Technology --rev. IFP, Vol. xx (2009), No X, pp. 00-00  

E-Print Network [OSTI]

IFP -- Oil & Gas Science and Technology -- (Script : 1er specimen) -- 1 -- Oil & Gas Science2010 Author manuscript, published in "Oil & Gas Science and Technology - Rev. IFP, 65, 3 (2010) 435-444" DOI : 10.2516/ogst/2010007 #12;IFP -- Oil & Gas Science and Technology -- (Script : 1er specimen) -- 2

Boyer, Edmond

188

Scanning Hall Probe Imaging of ErNi2B2C  

SciTech Connect (OSTI)

We report scanning Hall probe imaging of ErNi{sub 2}B{sub 2}C in the superconducting, antiferromagnetic, and weakly ferromagnetic regimes in magnetic fields up to 20 Oe, well below H{sub c1}, with two results. First, imaging isolated vortices shows that they spontaneously rearrange on cooling through the antiferromagnetic transition temperature T{sub N} = 6 K to pin on twin boundaries, forming a striped pattern. Second, a weak, random magnetic signal appears in the ferromagnetic phase below T{sub WFM} = 2.3 K, and no spontaneous vortex lattice is present down to 1.9 K. We conclude that ferromagnetism coexists with superconductivity either by forming small ferromagnetic domains or with oscillatory variation of the magnetization on sub-penetration depth length scales.

Bluhm, Hendrik; Sebastian, Suchitra; Guikema, Janice W.; Fisher, I.R.; Moler, Kathryn A.; /Stanford U., Appl. Phys. Dept.

2005-12-02T23:59:59.000Z

189

Completion Report for Model Evaluation Well ER-11-2: Corrective Action Unit 98: Frenchman Flat  

SciTech Connect (OSTI)

Model Evaluation Well ER-11-2 was drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office in support of Nevada Environmental Management Operations at the Nevada National Security Site (formerly known as the Nevada Test Site). The well was drilled in August 2012 as part of a model evaluation program in the Frenchman Flat area of Nye County, Nevada. The primary purpose of the well was to provide detailed geologic, hydrogeologic, chemical, and radionuclide data that can be used to test and build confidence in the applicability of the Frenchman Flat Corrective Action Unit flow and transport models for their intended purpose. In particular, this well was designed to provide data to evaluate the uncertainty in model forecasts of contaminant migration from the upgradient underground nuclear test PIN STRIPE, conducted in borehole U-11b in 1966. Well ER-11-2 will provide information that can be used to refine the Phase II Frenchman Flat hydrostratigraphic framework model if necessary, as well as to support future groundwater flow and transport modeling. The main 31.1-centimeter (cm) hole was drilled to a total depth of 399.6 meters (m). A completion casing string was not set in Well ER-11-2. However, a piezometer string was installed in the 31.1-cm open hole. The piezometer is composed of 7.3-cm stainless-steel tubing hung on 6.0-cm carbon-steel tubing via a crossover sub. The piezometer string was landed at 394.5 m, for monitoring the lower tuff confining unit. Data collected during and shortly after hole construction include composite drill cuttings samples collected every 3.0 m, various geophysical logs, water quality (including tritium and other test-related radionuclides) measurements, and water level measurements. The well penetrated 42.7 m of Quaternary and Tertiary alluvium and 356.9 m of Tertiary volcanic rock. The water-level measured in the piezometer string on September 25, 2012, was 353.8 m below ground surface. No tritium above levels detectable by field methods were encountered in this hole. No well development or hydrologic testing was conducted in this well immediately after completion, and future well development, sampling, and hydrologic testing planned for this well will be limited due to the diameter of the piezometer string. The stratigraphy, general lithology, and the water level are as expected, but the section of geology encountered is higher than expected due to faulting. No tritium above the minimum detection limit of the field equipment was detected because the target aquifer (the Topopah Spring aquifer) at Well ER-11-2 is structurally higher than expected and thus unsaturated.

NSTec Underground Test Area and Boreholes Programs and Operations

2013-01-22T23:59:59.000Z

190

Microwave multimode memory with an Er$^{3+}$:Y$_2$SiO$_5$ spin ensemble  

E-Print Network [OSTI]

Interfacing photonic and solid-state qubits within a hybrid quantum architecture offers a promising route towards large scale distributed quantum computing. In that respect, hybrid quantum systems combining circuit QED with ions doped into solids are an attractive platform. There, the ions serve as coherent memory elements and reversible conversion elements of microwave to optical qubits. Among many possible spin-doped solids, erbium ions offer the unique opportunity of a coherent conversion of microwave photons into the telecom C-band at $1.54\\,\\mu$m employed for long distance communication. In our work, we perform a time-resolved electron spin resonance study of an Er$^{3+}$:Y$_2$SiO$_5$ spin ensemble at milli-Kelvin temperatures and demonstrate multimode storage and retrieval of up to 16 coherent microwave pulses. The memory efficiency is measured to be 10$^{-4}$ at the coherence time of $T_2=5.6\\,\\mu$s.

S. Probst; H. Rotzinger; A. V. Ustinov; P. A. Bushev

2015-01-30T23:59:59.000Z

191

Postdoctoral fellowship in ore-deposit geology/igneous geochemistry Marie-Curie Initial Training Network ABYSS (ER1)  

E-Print Network [OSTI]

Postdoctoral fellowship in ore-deposit geology/igneous geochemistry Marie-Curie Initial Training Network ABYSS (ER1) Training network on reactive geological systems from the mantle to the abyssal sub-Cu-PGE deposits Requirements: Candidates must hold PhD in geology/geochemistry This fellowship is for a period

Demouchy, Sylvie

192

ER 100/200, PP C184/284 GSI Section Notes Energy & Society Section Week 5: Thermodynamics  

E-Print Network [OSTI]

. Property Diagrams and Power Cycles V. Additional Material, Terms, and Variables VI. Practice Problems I form to another. As an equation, this is simply: Esystem = 0 = Ein ­ Eout #12;ER 100/200, PP C184 system its change in energy will be the balance between the heat transferred to (Qin) and the work done

Kammen, Daniel M.

193

Project Transformation E.R. Bachmann & P.L. McDowell MV 4202 Page 1 of 14  

E-Print Network [OSTI]

Project Transformation E.R. Bachmann & P.L. McDowell MV 4202 Page 1 of 14 7. Projection Transformations · Projection Transformations Projections transform three dimensional eye coordinates into points in three dimensional clip coordinates - Three dimensional object coordinates are projected onto

McDowell, Perry

194

Controls on Eurasian coastal sea ice formation, melt onset and decay from ERS scatterometry: regional contrasts and effects of river  

E-Print Network [OSTI]

first-year sea ice (FYI) are observed in the Eurasian Arctic using the C-band (5.3 GHz) European RemoteControls on Eurasian coastal sea ice formation, melt onset and decay from ERS scatterometry and Kolyma rivers. Melt onset of the sea ice surface is associated with abrupt changes in s0 40, with values

Smith, Laurence C.

195

Final report for DOE-FG02-02ER54688: Study of nonlinear interactions between counterpropagating shear Alfven waves  

SciTech Connect (OSTI)

Final report for DOE Plasma Physics Junior Faculty Development award DOE-FG02-02ER54688. Reports on research undertaken from 8/1/2002 until 5/15/2006, investigating nonlinear interactions between Alfven waves in a laboratory experiment.

Carter, T A

2006-11-16T23:59:59.000Z

196

Effects of soil moisture and water depth on ERS SAR backscatter measurements from an Alaskan wetland complex  

E-Print Network [OSTI]

2009 Accepted 17 April 2009 Keywords: Wetlands Boreal region Synthetic aperture radar Water level SoilEffects of soil moisture and water depth on ERS SAR backscatter measurements from an Alaskan was negatively correlated to water depth in all open (non-forested) wetlands when water table levels were more

Turetsky, Merritt

197

ER -AHR-ARNT Protein-Protein Interactions Mediate Estradiol-dependent Transrepression of Dioxin-inducible Gene Transcription*  

E-Print Network [OSTI]

ER -AHR-ARNT Protein-Protein Interactions Mediate Estradiol- dependent Transrepression of Dioxin binding a wide variety of environmental pollutants, including 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), and halogenated aromatic hydrocarbons (HAHs) (5), such as 2,3,7,8-tetrachlorodibenzo-p-dioxin (dioxin, TCDD

Perdew, Gary

198

ISodotY of PetroIeumEr@nwrsI Petroleum Reservoir Simulation in a Virtual Environment  

E-Print Network [OSTI]

a'4P w ._ m I I ISodotY of PetroIeumEr@nwrsI SPE 29118 Petroleum Reservoir Simulation in a VirtualSPE Member TM paperwas preperedfor presentationat the 13fh SPE Sym~ium on ReservoirSimulationheld in San, 1S2245SPEUT. ABSTRACT In this paper, we describe an approach to combining a reservoir simulation

199

TOWARDS AN ER-DOPED SI NANOCRYSTAL SENSITIZED WAVEGUIDE LASER THE THIN LINE BETWEEN GAIN AND LOSS  

E-Print Network [OSTI]

and waveguide. If the pump laser could somehow be eliminated from this scheme, the fabrication of low-cost SiTOWARDS AN ER-DOPED SI NANOCRYSTAL SENSITIZED WAVEGUIDE LASER ­ THE THIN LINE BETWEEN GAIN AND LOSS-doped SiO2, a composite material that can potentially be fabricated using a VLSI compatible process

Kik, Pieter

200

Investigation on upconversion photoluminescence of Bi3TiNbO9:Er3 Hengzhi Chen a  

E-Print Network [OSTI]

) photons. There is a very high Yb-Er energy transfer efficiency [11]. The biggest hindrance of using UC for Condensed Matter Science and Technology, Department of Physics, Harbin Institute of Technology, Harbin role in device miniaturization. Doping high refractive index dielectric materials with rare-earth (RE

Cao, Wenwu

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201

Transformation E.R. Bachmann & P.L. McDowell MV 4202 Page 1 of3  

E-Print Network [OSTI]

Transformation E.R. Bachmann & P.L. McDowell MV 4202 Page 1 of3 5. Transformations Overview window coordinates Modeling Transformations Projection Transformation Perspective Division Viewport Transformation Object Coordinates x, y, z, w Modelview Matrix Projection Matrix Eye Coordinates Clip Coordinates

McDowell, Perry

202

Dichlorodiphenyltrichloroethane technical mixture regulates cell cycle and apoptosis genes through the activation of CAR and ER? in mouse livers  

SciTech Connect (OSTI)

Dichlorodiphenyltrichloroethane (DDT) is a widely used organochlorine pesticide and a xenoestrogen that promotes rodent hepatomegaly and tumours. A recent study has shown significant correlation between DDT serum concentration and liver cancer incidence in humans, but the underlying mechanisms remain elusive. We hypothesised that a mixture of DDT isomers could exert effects on the liver through pathways instead of classical ERs. The acute effects of a DDT mixture containing the two major isomers p,p?-DDT (85%) and o,p?-DDT (15%) on CAR and ER? receptors and their cell cycle and apoptosis target genes were studied in mouse livers. ChIP results demonstrated increased CAR and ER? recruitment to their specific target gene binding sites in response to the DDT mixture. The results of real-time RT-PCR were consistent with the ChIP data and demonstrated that the DDT was able to activate both CAR and ER? in mouse livers, leading to target gene transcriptional increases including Cyp2b10, Gadd45?, cMyc, Mdm2, Ccnd1, cFos and E2f1. Western blot analysis demonstrated increases in cell cycle progression proteins cMyc, Cyclin D1, CDK4 and E2f1 and anti-apoptosis proteins Mdm2 and Gadd45?. In addition, DDT exposure led to Rb phosphorylation. Increases in cell cycle progression and anti-apoptosis proteins were accompanied by a decrease in p53 content and its transcriptional activity. However, the DDT was unable to stimulate the ?-catenin signalling pathway, which can play an important role in hepatocyte proliferation. Thus, our results indicate that DDT treatment may result in cell cycle progression and apoptosis inhibition through CAR- and ER?-mediated gene activation in mouse livers. These findings suggest that the proliferative and anti-apoptotic conditions induced by CAR and ER? activation may be important contributors to the early stages of hepatocarcinogenesis as produced by DDT in rodent livers. - Highlights: DDT activated both CAR and ER? and their cell cycle and apoptosis target genes. DDT produced increases in cell cycle and anti-apoptosis proteins and decrease in p53. DDT mixture was unable to stimulate the ?-catenin signalling pathway in mouse livers.

Kazantseva, Yuliya A.; Yarushkin, Andrei A. [Institute of Molecular Biology and Biophysics SB RAMS, Novosibirsk, Timakova str., 2, 630117 (Russian Federation); Pustylnyak, Vladimir O., E-mail: pustylnyak@ngs.ru [Institute of Molecular Biology and Biophysics SB RAMS, Novosibirsk, Timakova str., 2, 630117 (Russian Federation); Novosibirsk State University, Novosibirsk, Pirogova str., 2, 630090 (Russian Federation)

2013-09-01T23:59:59.000Z

203

Local structure around Er{sup 3+} in SiO{sub 2}-HfO{sub 2} glassy waveguides using EXAFS  

SciTech Connect (OSTI)

Er{sup 3+}-doped SiO{sub 2}-HfO{sub 2} glassy waveguides with HfO{sub 2} concentrations ranging from 10 to 50 mol % were prepared using the sol-gel route and deposited on v-SiO{sub 2} substrates using the dip-coating technique. The local environment around Er{sup 3+} ions was determined from Er L{sub 3}-edge extended x-ray-absorption fine-structure (EXAFS) measurements. The first coordination shell around Er{sup 3+} ions is composed of oxygen atoms. Hafnium is the main constituent of the second coordination shell of Er{sup 3+}, differing from the cases of pure SiO{sub 2} and SiO{sub 2}-TiO{sub 2} glassy hosts, in which silicon is the main atomic species. The local structure around Er{sup 3+} ions has been found to be independent on HfO{sub 2} concentration within the studied composition range. This fact implies that Er{sup 3+} ions are preferentially dispersed in HfO{sub 2}-rich regions of the glassy waveguide, even at the lowest HfO{sub 2} concentration. For all samples, no Er{sup 3+}-Er{sup 3+} coordination shell has been detected by EXAFS. The presented structural results allow us to understand some spectroscopic properties typical of Er{sup 3+}-doped SiO{sub 2} glassy waveguides co-doped with HfO{sub 2}.

Afify, N. D.; Dalba, G.; Armellini, C.; Ferrari, M.; Rocca, F.; Kuzmin, A. [Dipartimento di Fisica, Universita degli Studi di Trento, Via Sommarive 14, I-38100 Povo (Trento) (Italy); IFN-CNR, Istituto di Fotonica e Nanotecnologie del Consiglio Nazionale delle Ricerche, Sezione FBK-CeFSA di Trento, Via alla Cascata 56/C, I-38100 Povo (Trento) (Italy); Institute of Solid State Physics, University of Latvia, LV-1063 RIGA (Latvia)

2007-07-01T23:59:59.000Z

204

The crystal structure of {pi}-ErBO{sub 3}: New single-crystal data for an old problem  

SciTech Connect (OSTI)

Single crystals of the orthoborate {pi}-ErBO{sub 3} were synthesized from Er{sub 2}O{sub 3} and B{sub 2}O{sub 3} under high-pressure/high-temperature conditions of 2 GPa and 800 {sup o}C in a Walker-type multianvil apparatus. The crystal structure was determined on the basis of single-crystal X-ray diffraction data, collected at room temperature. The title compound crystallizes in the monoclinic pseudowollastonite-type structure, space group C2/c, with the lattice parameters a=1128.4(2) pm, b=652.6(2) pm, c=954.0(2) pm, and {beta}=112.8(1){sup o} (R{sub 1}=0.0124 and wR{sub 2}=0.0404 for all data). -- graphical abstract: The first satisfying single-crystal structure determination of {pi}-ErBO{sub 3} sheds light on the extensively discussed structure of {pi}-orthoborates. The application of light pressure during the solid state synthesis yielded in high-quality crystals, due to pressure-induced crystallization. Research highlights: {yields} High-quality single crystals of {pi}-ErBO{sub 3} were prepared via high-pressure-induced crystallization. {yields} At least five different space groups for the rare-earth {pi}-orthoborates are reported. {yields} {pi}-ErBO{sub 3} is isotypic to the pseudowollastonite-type CaSiO{sub 3}. {yields} Remaining ambiguities regarding the structure of the rare-earth {pi}-orthoborates are resolved.

Pitscheider, Almut [Institut fuer Allgemeine, Anorganische und Theoretische Chemie, Leopold-Franzens-Universitaet Innsbruck, Innrain 52a, A-6020 Innsbruck (Austria); Kaindl, Reinhard [Institut fuer Mineralogie und Petrographie, Leopold-Franzens-Universitaet Innsbruck, Innrain 52, A-6020 Innsbruck (Austria); Oeckler, Oliver [Department Chemie, Ludwig-Maximilians-Universitaet Muenchen, Butenandtstrasse 5-13, D-81377 Muenchen (Germany); Huppertz, Hubert, E-mail: Hubert.Huppertz@uibk.ac.a [Institut fuer Allgemeine, Anorganische und Theoretische Chemie, Leopold-Franzens-Universitaet Innsbruck, Innrain 52a, A-6020 Innsbruck (Austria)

2011-01-15T23:59:59.000Z

205

Analysis of Well ER-6-2 Testing, Yucca Flat FY 2004 Testing Program, Nevada Test Site, Nye County, Nevada, Rev. No.: 0  

SciTech Connect (OSTI)

This report documents the analysis of data collected for Well ER-6-2 during fiscal year (FY) 2004 Yucca Flat well development and testing program (herein referred to as the ''testing program''). Participants in Well ER-6-2 field development and hydraulic testing activities were: Stoller-Navarro Joint Venture (SNJV), Bechtel Nevada (BN), Desert Research Institute (DRI), Los Alamos National Laboratory (LANL), Lawrence Livermore National Laboratory (LLNL), U.S. Geological Survey (USGS), and the University of Nevada, Las Vegas-Harry Reid Center (UNLV-HRC). The analyses of data collected from the Well ER-6-2 testing program were performed by the SNJV.

Greg Ruskauff

2005-07-01T23:59:59.000Z

206

Final Technical Report for Award DE-FG02-98ER41080  

SciTech Connect (OSTI)

The prime motivation of the project at McMaster University was to carry out the critical evaluation and compilation of Nuclear Structure and Decay data, and of nuclear astrophysics data with continued participation in the United States Nuclear Data Program (US-NDP). A large body of evaluated and compiled structure data were supplied for databases such as ENSDF, XUNDL, NSR, etc. residing on webpage of National Nuclear Data Center of the Brookhaven National Laboratory, Upton, New York, USA. Thermonuclear reaction rates of importance to stellar explosions, such as novae, x-ray bursts and supernovae, were evaluated as well. This effort was closely coupled to our ongoing experimental effort, which took advantage of radioactive ion beam and stable beam facilities worldwide to study these key reaction rates. This report contains brief descriptions of the various activities together with references to all the publications in peer-reviewed journals which were the result of work carried out with the award DE-FG02-98-ER41080, during 1998-2013.

Chen, Alan

2014-11-14T23:59:59.000Z

207

Helium release and microstructural changes in Er(D,T)2-x3Hex films).  

SciTech Connect (OSTI)

Er(D,T){sub 2-x} {sup 3}He{sub x}, erbium di-tritide, films of thicknesses 500 nm, 400 nm, 300 nm, 200 nm, and 100 nm were grown and analyzed by Transmission Electron Microscopy, X-Ray Diffraction, and Ion Beam Analysis to determine variations in film microstructure as a function of film thickness and age, due to the time-dependent build-up of {sup 3}He in the film from the radioactive decay of tritium. Several interesting features were observed: One, the amount of helium released as a function of film thickness is relatively constant. This suggests that the helium is being released only from the near surface region and that the helium is not diffusing to the surface from the bulk of the film. Two, lenticular helium bubbles are observed as a result of the radioactive decay of tritium into {sup 3}He. These bubbles grow along the [111] crystallographic direction. Three, a helium bubble free zone, or 'denuded zone' is observed near the surface. The size of this region is independent of film thickness. Four, an analysis of secondary diffraction spots in the Transmission Electron Microscopy study indicate that small erbium oxide precipitates, 5-10 nm in size, exist throughout the film. Further, all of the films had large erbium oxide inclusions, in many cases these inclusions span the depth of the film.

Gelles, D. S. (Pacific Northwest National Laboratory, Richland, WA); Browning, James Frederick; Snow, Clark Sheldon; Banks, James Clifford; Mangan, Michael A.; Rodriguez, Mark Andrew; Brewer, Luke N.; Kotula, Paul Gabriel

2007-12-01T23:59:59.000Z

208

THERMODYNAMIC AND KINETIC MODELING OF ADVANCED NUCLEAR FUELS - FINAL LDRD-ER REPORT  

SciTech Connect (OSTI)

This project enhanced our theoretical capabilities geared towards establishing the basic science of a high-throughput protocol for the development of advanced nuclear fuel that should couple modern computational materials modeling and simulation tools, fabrication and characterization capabilities, and targeted high throughput performance testing experiments. The successful conclusion of this ER project allowed us to upgrade state-of-the-art modeling codes, and apply these modeling tools to ab initio energetics and thermodynamic assessments of phase diagrams of various mixtures of actinide alloys, propose a tool for optimizing composition of complex alloys for specific properties, predict diffusion behavior in diffusion couples made of actinide and transition metals, include one new equation in the LLNL phase-field AMPE code, and predict microstructure evolution during alloy coring. In FY11, despite limited funding, the team also initiated an experimental activity, with collaboration from Texas A&M University by preparing samples of nuclear fuels in bulk forms and for diffusion couple studies and metallic matrices, and performing preliminary characterization.

Turchi, P

2011-11-28T23:59:59.000Z

209

Letter Report: Borehole Flow and Horizontal Hydraulic Conductivity with Depth at Well ER-12-4  

SciTech Connect (OSTI)

Borehole flow and fluid temperature during pumping were measured at well ER-12-4 at the Nevada Test Site in Nye County, Nevada. This well was constructed to characterize the carbonate aquifer. The well is cased from land surface to the total depth at 1,132 m (3,713 ft bgs) below ground surface (bgs). The screened section of the well consists of alternating sections of slotted well screen and blank casing from 948 to 1,132 m bgs (3,111 to 3,713 ft bgs). Borehole flow velocity (LT-1) with depth was measured with an impeller flowmeter from the top of the screened section to the maximum accessible depth while the well was pumped and under ambient conditions. A complicating factor to data interpretation is that the well was not filter packed and there is upward and downward vertical flow in the open annulus under ambient and pumping conditions. The open annulus in the well casing likely causes the calculated borehole flow rates being highly nonrepresentative of inflow from the formation. Hydraulic conductivities calculated under these conditions would require unsupportable assumptions and would be subject to very large uncertainties. Borehole hydraulic conductivities are not presented under these conditions.

Phil L. Oberlander; Charles E. Russell

2005-12-31T23:59:59.000Z

210

Analysis of ER-12-3 FY 2005 Hydrologic Testing, Nevada Test Site, Nye County, Nevada, Rev. No.: 0  

SciTech Connect (OSTI)

This report documents the analysis of data collected for ER-12-3 during the fiscal year (FY) 2005 Rainier Mesa/Shoshone Mountain well development and hydraulic testing program (herein referred to as the ''testing program''). Well ER-12-3 was constructed and tested as a part of the Corrective Action Unit (CAU) 99, Rainier Mesa/Shoshone Mountain, Phase I drilling program during FY 2005. These activities were conducted on behalf of the U.S. Department of Energy (DOE), National Nuclear Security Administration Nevada Site Office (NNSA/NSO) for the Underground Test Area (UGTA) Project. As shown on Figure 1-1, ER-12-3 is located in central Rainier Mesa, in Area 12 of the Nevada Test Site (NTS). Figure 1-2 shows the well location in relation to the tunnels under Rainier Mesa. The well was drilled to a total depth (TD) of 4,908 feet (ft) below ground surface (bgs) (surface elevation 7,390.8 ft above mean sea level [amsl]) in the area of several tunnels mined into Rainier Mesa that were used historically for nuclear testing (NNSA/NSO, 2006). The closest nuclear test to the well location was YUBA (U-12b.10), conducted in the U-12b Tunnel approximately 1,529 ft northeast of the well site. The YUBA test working point elevation was located at approximately 6,642 ft amsl. The YUBA test had an announced yield of 3.1 kilotons (kt) (SNJV, 2006b). The purpose of this hydrogeologic investigation well is to evaluate the deep Tertiary volcanic section below the tunnel level, which is above the regional water table, and to provide information on the section of the lower carbonate aquifer-thrust plate (LCA3) located below the Tertiary volcanic section (SNJV, 2005b). Details on the drilling and completion program are presented in the ''Completion Report for Well ER-12-3 Corrective Action Unit 99: Rainier Mesa - Shoshone Mountain'' (NNSA/NSO, 2006). Development and hydraulic testing of ER-12-3 took place between June 3 and July 22, 2005. The development objectives included removing residual drilling fluids and improving the hydraulic connection of the well within the lower carbonate aquifer (LCA). The hydraulic testing objectives focused on obtaining further hydrogeologic, geochemical, and radiochemical data for the site. Details on the data collected during the testing program are presented in the report ''Rainier Mesa Well ER-12-3 Data Report for Well Development and Hydraulic Testing'' (SNJV, 2006b). Participants in ER-12-3 testing activities were: Stoller-Navarro Joint Venture (SNJV), Bechtel Nevada (BN), Desert Research Institute (DRI), Los Alamos National Laboratory (LANL), Lawrence Livermore National Laboratory (LLNL), and the U.S. Geological Survey (USGS). Stoller-Navarro Joint Venture served as the lead contractor responsible for providing site supervision, development and testing services, and waste management services; BN provided construction and engineering support services; DRI provided well logging services and participated in groundwater sampling and laboratory analyses; LANL and LLNL participated in groundwater sampling and laboratory analyses; and the USGS performed laboratory analyses. Analyses of data from the ER-12-3 testing program presented in this document were performed by SNJV except as noted.

Bill Fryer

2006-07-01T23:59:59.000Z

211

Completion Report for the Well ER-6-2 Site Corrective Action Unit 97: Yucca Flat - Climax Mine  

SciTech Connect (OSTI)

Well ER-6-2 and its satellite hole, Well ER-6-2 No.1, were drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office in support of the Nevada Environmental Restoration Project at the Nevada Test Site, Nye County, Nevada. Well ER-6-2 was drilled in two stages in 1993 and 1994; the satellite hole, Well ER-6-2 No.1 was drilled nearby in 1993 but was abandoned. The wells were drilled as part of a hydrogeologic investigation program for the Yucca Flat-Climax Mine Corrective Action Unit Number 97, in the northeastern portion of the Nevada Test Site. The wells are located in Yucca Flat, within Area 6 of the Nevada Test Site. The wells provided information regarding the radiological and hydrogeological environment in a potentially down-gradient position from tests conducted in northern and central Yucca Flat. Construction of Well ER-6-2 began with a 1.2-meter-diameter surface conductor hole, which was drilled and cased off to a depth of 30.8 meters below the surface. A 50.8-centimeter diameter surface hole was then rotary drilled to the depth of 578.5 meters and cased off to the depth of 530.4 meters. The hole diameter was then reduced to 27.0 centimeters, and the borehole was advanced to a temporary depth of 611.4 meters. The borehole was conventionally cored to a total depth of 1,045 meters with a diameter of 14.0 centimeters. Borehole sloughing required cementing and re-drilling of several zones. The open-hole completion accesses the lower carbonate aquifer, the CP thrust fault, and the upper clastic confining unit. A fluid level depth of 543.2 meters was most recently measured in the open borehole in September 2007. No radionuclides were encountered during drilling. The satellite hole Well ER-6-2 No.1 was drilled approximately 15.2 meters north of Well ER-6-2 on the same drill pad. This was planned to be used as an observation well during future hydrologic testing at Well ER-6-2; however, the satellite hole was abandoned at the depth of 399 meters due to stuck drill pipe, and was subsequently cemented to the surface. Detailed lithologic descriptions with stratigraphic assignments in this report are based on composite drill cuttings samples collected every 3 meters, cores taken between the depths of 619.3 and 1,042.4 meters, and geophysical log data. Stratigraphic assignments within the Paleozoic section are based on paleontological analyses. The well was collared in alluvium and at 30.8 meters penetrated Paleozoic carbonate rocks. These consisted of dolostone with minor shale and limestone of the Bonanza King Formation, and limestone with minor quartzite, sandstone, and dolostone assigned to the Guilmette Formation. The borehole reached total depth in a shale unit assigned to the Chainman Shale. The units below the Bonanza King Formation are overturned due to faulting and folding and, therefore, are stratigraphically upside-down.

NSTec Environmental Management

2008-03-01T23:59:59.000Z

212

Q values for neutrinoless double-electron capture in {sup 96}Ru, {sup 162}Er, and {sup 168}Yb  

SciTech Connect (OSTI)

The Q values of the neutrinoless double-electron capture transitions in {sup 96}Ru, {sup 162}Er, and {sup 168}Yb have been determined by Penning-trap mass-ratio measurements. Based on our new high-precision results for the Q values, neither of these transitions shows a resonant enhancement of the capture rate. At present, this excludes these nuclides from the list of suitable candidates in the search for neutrinoless double-electron capture.

Eliseev, S.; Blaum, K. [Max-Planck-Institut fuer Kernphysik, Saupfercheckweg 1, D-69117 Heidelberg (Germany); Nesterenko, D. [Department of Physics, St. Petersburg State University, RU-198504 St. Petersburg (Russian Federation); Block, M.; Herfurth, F.; Minaya Ramirez, E. [GSI Helmholtzzentrum fuer Schwerionenforschung GmbH, Planckstrasse 1, D-64291 Darmstadt (Germany); Droese, C.; Schweikhard, L. [Institut fuer Physik, Ernst-Moritz-Arndt-Universitaet, D-17487 Greifswald (Germany); Novikov, Yu. N. [Petersburg Nuclear Physics Institute, Gatchina, RU-188300 St. Petersburg (Russian Federation); Zuber, K. [Institut fuer Kern- und Teilchenphysik, Technische Universitaet, D-01069 Dresden (Germany)

2011-03-15T23:59:59.000Z

213

Silver nanoparticles enhanced luminescence properties of Er{sup 3+} doped tellurite glasses: Effect of heat treatment  

SciTech Connect (OSTI)

Tellurite glasses doped Er{sup 3+} ions and containing Silver nanoparticles (Ag NPs) are prepared using melt quenching technique. The nucleation and growth of Ag NPs were controlled by a thermal annealing process. The X-ray diffraction pattern shows no sharp peak indicating an amorphous nature of the glasses. The presence of Ag NPs is confirmed from transmission electron microscopy micrograph. Absorption spectra show typical surface plasmon resonance (SPR) band of Ag NPs within the 510550?nm range in addition to the distinctive absorption peaks of Er{sup 3+} ions. The Judd-Ofelt (J-O) intensity parameters, oscillator strengths, spontaneous transition probabilities, branching ratios, and radiative lifetimes were successfully calculated based on the experimental absorption spectrum and the J-O theory. It was found that the presence of silver NPs nucleated and grown during the heat annealing process improves both of the photoluminescence (PL) intensity and the PL lifetime relative to the {sup 4}I{sub 13/2}???{sup 4}I{sub 15/2} transition. Optimum PL enhancement was obtained after 10?h of heat-treatment. Such enhancements are mainly attributed to the strong local electric field induced by SPR of silver NPs and also to energy transfer from the surface of silver NPs to Er{sup 3+} ions, whereas the quenching is ascribed to the energy transfer from Er{sup 3+} ions to silver NPs. Using the Mc Cumber method, absorption cross-section, calculated emission cross-section, and gain cross-section for the {sup 4}I{sub 13/2} ? {sup 4}I{sub 15/2} transition were determined and compared for the doped and co-doped glasses. The present results indicate that the glass heat-treated for 10?h has good prospect as a gain medium applied for 1.53??m band broad and high-gain erbium-doped fiber amplifiers.

Fares, Hssen; Frid, Mokhtar [Laboratoire de Physico-Chimie des Matriaux Minraux et leurs Applications, Centre National de Recherches en Sciences des Matriaux, B.P. 95 Hammam-Lif, 2050 (Tunisia); Elhouichet, Habib, E-mail: habib.elhouichet@fst.rnu.tn [Laboratoire de Physico-Chimie des Matriaux Minraux et leurs Applications, Centre National de Recherches en Sciences des Matriaux, B.P. 95 Hammam-Lif, 2050 (Tunisia); Department of Physics, Sciences Faculty of Tunis, University Tunis ElManar 2092 (Tunisia); Gelloz, Bernard [Graduate School of Engineering, Nagoya University, 2-24-16 Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603 (Japan)

2014-09-28T23:59:59.000Z

214

Gain dynamics in a soft X-ray laser ampli er perturbed by a strong injected X-ray eld  

SciTech Connect (OSTI)

Seeding soft X-ray plasma ampli ers with high harmonics has been demonstrated to generate high-brightness soft X-ray laser pulses with full spatial and temporal coherence. The interaction between the injected coherent eld and the swept-gain medium has been modelled. However, no exper- iment has been conducted to probe the gain dynamics when perturbed by a strong external seed eld. Here, we report the rst X-ray pump X-ray probe measurement of the nonlinear response of a plasma ampli er perturbed by a strong soft X-ray ultra-short pulse. We injected a sequence of two time-delayed high-harmonic pulses (l518.9 nm) into a collisionally excited nickel-like molybdenum plasma to measure with femto-second resolution the gain depletion induced by the saturated ampli cation of the high-harmonic pump and its subsequent recovery. The measured fast gain recovery in 1.5 1.75 ps con rms the possibility to generate ultra-intense, fully phase-coherent soft X-ray lasers by chirped pulse ampli cation in plasma ampli ers.

Wang, Yong [Colorado State University, Fort Collins] [Colorado State University, Fort Collins; Wang, Shoujun [Colorado State University, Fort Collins] [Colorado State University, Fort Collins; Oliva, E [Laboratoire de Physique des Gaz et des Gaz et des Plasmas] [Laboratoire de Physique des Gaz et des Gaz et des Plasmas; Lu, L [Laboratoire de Physique des Gaz et des Gaz et des Plasmas] [Laboratoire de Physique des Gaz et des Gaz et des Plasmas; Berrill, Mark A [ORNL] [ORNL; Yin, Liang [Colorado State University, Fort Collins] [Colorado State University, Fort Collins; Nejdl, J [Colorado State University, Fort Collins] [Colorado State University, Fort Collins; Luther, Brad [Colorado State University, Fort Collins] [Colorado State University, Fort Collins; Proux, C [Laboratoire dOptique Appliquee, ENSTA, CNRS, Ecole Polytechnique] [Laboratoire dOptique Appliquee, ENSTA, CNRS, Ecole Polytechnique; Le, T. T. [Laboratoire de Physique des Gaz et des Gaz et des Plasmas] [Laboratoire de Physique des Gaz et des Gaz et des Plasmas; Dunn, James [Lawrence Livermore National Laboratory (LLNL)] [Lawrence Livermore National Laboratory (LLNL); Ros, D [Laboratoire de Physique des Gaz et des Gaz et des Plasmas] [Laboratoire de Physique des Gaz et des Gaz et des Plasmas; Zeitoun, Philippe [cole Polytechnique] [cole Polytechnique; Rocca, Jorge [Colorado State University, Fort Collins] [Colorado State University, Fort Collins

2014-01-01T23:59:59.000Z

215

Spectroscopic properties of Er{sup 3+} doped lead telluroborate glasses for 1.5 ?m broadband amplifiers  

SciTech Connect (OSTI)

Er{sup 3+} doped lead telluroborate glasses (xEPTB) with the composition 25B{sub 2}O{sub 3}-(25-x)TeO{sub 2}-25PbO-10Bi{sub 2}O{sub 3}-15CdO-xEr{sub 2}O{sub 3} (where x=0.1, 0.5, 1 and 2 wt%) have been prepared and characterised using NIR luminescence and decay measurements for 1.5 ?m broadband amplifier applications. Judd-Ofelt intensity parameters have been derived to predict radiative properties of the {sup 4}I{sub 13/2}?{sup 4}I{sub 15/2} emission transition. The larger values of stimulated emission cross-section (?P), FWHM, gain bandwidth (?G), radiative lifetime (?{sup cal}), quantum efficiency (?) of the 1EPTB glass suggest their potential use in broadband amplifiers. The effect of RE ion concentration and OH{sup ?} content on the lifetime of {sup 4}I{sub 13/2}?{sup 4}I{sub 15/2} transition and the energy transfer mechanism of Er{sup 3+} ions have also been discussed and reported in the present study.

Vijayakumar, R., E-mail: mari-ram2000@yahoo.com; Arunkumar, S., E-mail: mari-ram2000@yahoo.com; Vijayakumar, M., E-mail: mari-ram2000@yahoo.com; Marimuthu, K., E-mail: mari-ram2000@yahoo.com [Department of Physics, Gandhigram Rural Institute ? Deemed University, Gandhigram - 624302 (India)

2014-04-24T23:59:59.000Z

216

Optical absorption and fluorescence properties of Er{sup 3+}/Yb{sup 3+} codoped lead bismuth alumina borate glasses  

SciTech Connect (OSTI)

Lead bismuth alumina borate glasses codoped with Er{sup 3+}/Yb{sup 3+} were prepared by melt quenching technique. Optical absorption, FTIR and photoluminescence spectra of these glasses have been studied. Judd-Ofelt theory has been applied to to the f ? f transitions for evaluating ?{sub 2}, ?{sub 4} and ?{sub 6} parameters. Radiative properties like branching ratio ?{sub r} and the radiative life time ?{sub R} have been determined on the basis of Judd-Ofelt theory. Upconversion emissions have been observed under 980nm laser excitation at room temperature. Green and red up-conversion emissions are centered at 530, 550 and 656 nm corresponding to {sup 2}H{sub 11/2}?{sup 4}I{sub 15/2}, {sup 4}S{sub 3/2}?{sup 4}I{sub 15/2} and {sup 4}F{sub 9/2}?{sup 4}I{sub 15/2} transitions of Er{sup 3+} respectively. The results obtained are discussed quantitatively based on the energy transfer between Yb{sup 3+} and Er{sup 3+}.

Goud, K. Krishna Murthy, E-mail: krishnamurthy.phy@gmail.com; Reddy, M. Chandra Shekhar, E-mail: krishnamurthy.phy@gmail.com; Rao, B. Appa, E-mail: krishnamurthy.phy@gmail.com [Dept. of Physics, Osmania University, Hyderabad-500007, Andhra Pradesh (India)

2014-04-24T23:59:59.000Z

217

Photoluminescence properties and energy levels of RE (RE?=?Pr, Sm, Er, Tm) in layered-CaZnOS oxysulfide  

SciTech Connect (OSTI)

RE{sup 3+} (RE?=?Pr, Sm, Er, Tm)-activated CaZnOS samples were prepared by a solid-state reaction method at high temperature, and their photoluminescence properties were investigated. Doping with RE{sup 3+} (RE?=?Pr, Sm, Er, Tm) into layered-CaZnOS resulted in typical RE{sup 3+} (RE?=?Pr, Sm, Er, Tm) f-f line absorptions and emissions, as well as the charge transfer band of Sm{sup 3+} at about 3.3?eV. The energy level scheme containing the position of the 4f and 5d levels of all divalent and trivalent lanthanide ions with respect to the valence and conduction bands of CaZnOS has been constructed based on the new data presented in this work, together with the data from literature on Ce{sup 3+} and Eu{sup 2+} doping in CaZnOS. The detailed energy level scheme provides a platform for interpreting the optical spectra and could be used to comment on the valence stability of the lanthanide ions in CaZnOS.

Zhang, Zhi-Jun, E-mail: zhangzj@mail.sic.ac.cn [Key Laboratory of Transparent Opto-Functional Inorganic Materials of Chinese Academy of Sciences, Shanghai Institute of Ceramics, Shanghai 200050 (China); Feng, Ang; Chen, Xiang-Yang [Key Laboratory of Transparent Opto-Functional Inorganic Materials of Chinese Academy of Sciences, Shanghai Institute of Ceramics, Shanghai 200050 (China); University of Chinese Academy of Sciences, Beijing 100039 (China); Zhao, Jing-Tai, E-mail: jtzhao@mail.sic.ac.cn [Key Laboratory of Transparent Opto-Functional Inorganic Materials of Chinese Academy of Sciences, Shanghai Institute of Ceramics, Shanghai 200050 (China); School of Materials Science and Engineering, Shanghai University, Shanghai 200072 (China)

2013-12-07T23:59:59.000Z

218

Interaction of Ce{sub 1?x}Er{sub x}O{sub 2?y} nanoparticles with SiO{sub 2}-effect of temperature and atmosphere  

SciTech Connect (OSTI)

Morphology, microstructure and phase evolution of homogeneous, nanocrystalline Ce{sub 1?x}Er{sub x}O{sub 2?x/2} mixed oxide (x=0.3 and 0.5), prepared by microemulsion method, supported on amorphous SiO{sub 2} was studied in oxidizing and reducing atmosphere by XRD, TEM, SEM-EDS and N{sub 2} adsorption. The system is structurally and chemically stable in the oxidizing atmosphere up to 1000 C, exhibiting only a small increase of the mean crystallite size of the oxide to ?4 nm. At 1100 C formation of Er silicate with unusual structure isomorphic with y-Y{sub 2}Si{sub 2}O{sub 7} (yttrialite), stabilized by Ce{sup 4+} ions was observed. In the reducing atmosphere the Ce{sub 1?x}Er{sub x}O{sub 2?x/2} reacted with SiO{sub 2} already at 900 C, due to high affinity of the reduced Ce{sup 3+} to form a silicate phase. At higher temperature the silicate crystallized into the tetragonal, low temperature A-(Ce{sub 1?x}Er{sub x}){sub 2}Si{sub 2}O{sub 7} polymorph. Such systems, containing nanocrystalline silicate particles with Er{sup 3+} ions placed in well defined sites embedded in silica matrix, may be interesting as highly efficient active components of optical waveguides amplifiers integrated with Si microelectronics. The nanocrystalline CeErO/SiO{sub 2} system prepared by the impregnation of the silica with the aqueous solution of nitrates appeared to be chemically inhomogeneous and less stable in both oxidising and reducing atmosphere. - Graphical abstract: Structure evolution of Ce{sub 0.5}Er{sub 0.5}O{sub 1.75} in air and in H{sub 2}. Display Omitted - Highlights: Homogeneous 3 nm Ce{sub 1?x}Er{sub x}O{sub 2?y} particles were prepared and uniformly dispersed on SiO{sub 2}. Er diffusion to SiO{sub 2} determines the stability of the mixed oxide in air to ?1000 C. Spreading of Ce{sub 1?x}Er{sub x}O{sub 2?y} onto SiO{sub 2} occurs in hydrogen at 900 C. Nanocrystalline A-(Ce,Er){sub 2}Si{sub 2}O{sub 7} silicate forms in H{sub 2} at 1100 C.

Kepinski, L., E-mail: L.Kepinski@int.pan.wroc.pl; Krajczyk, L.; Mista, W.

2014-01-15T23:59:59.000Z

219

Identification of remediation needs and technology development focus areas for the Environmental Restoration (ER) Project at Sandia National Laboratories/New Mexico (SNL/NM)  

SciTech Connect (OSTI)

The Environmental Restoration (ER) Project has been tasked with the characterization, assessment, remediation and long-term monitoring of contaminated waste sites at Sandia National Laboratories/New Mexico (SNL/NM). Many of these sites will require remediation which will involve the use of baseline technologies, innovative technologies that are currently under development, and new methods which will be developed in the near future. The Technology Applications Program (TAP) supports the ER Project and is responsible for development of new technologies for use at the contaminated waste sites, including technologies that will be used for remediation and restoration of these sites. The purpose of this report is to define the remediation needs of the ER Project and to identify those remediation needs for which the baseline technologies and the current development efforts are inadequate. The area between the remediation needs and the existing baseline/innovative technology base represents a technology gap which must be filled in order to remediate contaminated waste sites at SNL/NM economically and efficiently. In the first part of this report, the remediation needs of the ER Project are defined by both the ER Project task leaders and by TAP personnel. The next section outlines the baseline technologies, including EPA defined Best Demonstrated Available Technologies (BDATs), that are applicable at SNL/NM ER sites. This is followed by recommendations of innovative technologies that are currently being developed that may also be applicable at SNL/NM ER sites. Finally, the gap between the existing baseline/innovative technology base and the remediation needs is identified. This technology gap will help define the future direction of technology development for the ER Project.

Tucker, M.D. [Sandia National Labs., Albuquerque, NM (United States). Site Restoration Technology Program Office; Valdez, J.M.; Khan, M.A. [IT Corp., Albuquerque, NM (United States)

1995-06-01T23:59:59.000Z

220

Role of estrogen receptor alpha (ER alpha) insulin-like growth factor (IGF)-I-induced responses in MCF-7 breast cancer cells  

E-Print Network [OSTI]

ROLE OF ESTROGEN RECEPTOR ? (ER?) IN INSULIN-LIKE GROWTH FACTOR (IGF)-I-INDUCED RESPONSES IN MCF-7 BREAST CANCER CELLS A Dissertation by SHU ZHANG Submitted to the Office of Graduate Studies of Texas A&M University in partial... fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY December 2007 Major Subject: Toxicology ROLE OF ESTROGEN RECEPTOR ? (ER?) IN INSULIN-LIKE GROWTH FACTOR (IGF)-I-INDUCED RESPONSES IN MCF-7 BREAST CANCER CELLS A Dissertation...

Zhang, Shu

2009-05-15T23:59:59.000Z

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Final Report for DOE Grant DE-FG02-06ER64160 Retrieval of Cloud Properties and Direct Testing of Cloud and Radiation Parameterizations using ARM Observations.  

SciTech Connect (OSTI)

This report briefly summaries the work performed at KNMI under DOE Grant DE-FG02-06ER64160 which, in turn was conducted in support of DOE Grant DE-FG02-90ER61071 lead by E. Clothieux of Penn. State U. The specific work at KNMI revolved around the development and application of the EarthCARE simulator to ground-based multi-sensor simulations.

Donovan, David Patrick [KNMI

2013-07-26T23:59:59.000Z

222

WBS-FOR CREATING AN ER-MODEL Let A(Ei) = the set of attributes of entity-set an Ei.  

E-Print Network [OSTI]

WBS-FOR CREATING AN ER-MODEL Let A(Ei) = the set of attributes of entity-set an Ei. Let A from each Ei partici- pating in Rj, can interact multiple times, then we need a pri- mary key among FOR CREATING ER-MODELS Identify name and A(Ei) for each Ei Identify a primary key for each Ei Identify name

Kundu, Sukhamay

223

Completion Report for Model Evaluation Well ER-5-5: Corrective Action Unit 98: Frenchman Flat  

SciTech Connect (OSTI)

Model Evaluation Well ER-5-5 was drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office in support of Nevada Environmental Management Operations at the Nevada National Security Site (formerly known as the Nevada Test Site). The well was drilled in July and August 2012 as part of a model evaluation well program in the Frenchman Flat area of Nye County, Nevada. The primary purpose of the well was to provide detailed geologic, hydrogeologic, chemical, and radiological data that can be used to test and build confidence in the applicability of the Frenchman Flat Corrective Action Unit flow and transport models for their intended purpose. In particular, this well was designed to obtain data to evaluate the uncertainty in model forecasts of contaminant migration from the upgradient underground nuclear test MILK SHAKE, conducted in Emplacement Hole U-5k in 1968, which were considered to be uncertain due to the unknown extent of a basalt lava-flow aquifer present in this area. Well ER-5-5 is expected to provide information to refine the Phase II Frenchman Flat hydrostratigraphic framework model, if necessary, as well as to support future groundwater flow and transport modeling. The 31.1-centimeter (cm) diameter hole was drilled to a total depth of 331.3 meters (m). The completion string, set at the depth of 317.2 m, consists of 16.8-cm stainless-steel casing hanging from 19.4-cm carbon-steel casing. The 16.8-cm stainless-steel casing has one slotted interval open to the basalt lava-flow aquifer and limited intervals of the overlying and underlying alluvial aquifer. A piezometer string was also installed in the annulus between the completion string and the borehole wall. The piezometer is composed of 7.3-cm stainless-steel tubing suspended from 6.0-cm carbon-steel tubing. The piezometer string was landed at 319.2 m, to monitor the basalt lava-flow aquifer. Data collected during and shortly after hole construction include composite drill cuttings samples collected every 3.0 m, various geophysical logs, preliminary water quality measurements, and water-level measurements. The well penetrated 331.3 m of QuaternaryTertiary alluvium, including an intercalated layer of saturated basalt lava rubble. No well development or hydrologic testing was conducted in this well immediately after completion; however, a preliminary water level was measured in the piezometer string at the depth of 283.4 m on September 25, 2012. No tritium above the minimum detection limit of the field instruments was detected in this hole. Future well development, sampling, and hydrologic testing planned for this well will provide more accurate hydrologic information for this site. The stratigraphy, general lithology, and water level were as expected, though the expected basalt lava-flow aquifer is basalt rubble and not the dense, fractured lava as modeled. The lack of tritium transport is likely due to the difference in hydraulic properties of the basalt lava-flow rubble encountered in the well, compared to those of the fractured aquifer used in the flow and transport models.

NSTec Underground Test Area and Boreholes Programs and Operations

2013-01-18T23:59:59.000Z

224

Idaho National Engineering Laboratory (INEL) Environmental Restoration (ER) Program Baseline Safety Analysis File (BSAF)  

SciTech Connect (OSTI)

The Baseline Safety Analysis File (BSAF) is a facility safety reference document for the Idaho National Engineering Laboratory (INEL) environmental restoration activities. The BSAF contains information and guidance for safety analysis documentation required by the U.S. Department of Energy (DOE) for environmental restoration (ER) activities, including: Characterization of potentially contaminated sites. Remedial investigations to identify and remedial actions to clean up existing and potential releases from inactive waste sites Decontamination and dismantlement of surplus facilities. The information is INEL-specific and is in the format required by DOE-EM-STD-3009-94, Preparation Guide for U.S. Department of Energy Nonreactor Nuclear Facility Safety Analysis Reports. An author of safety analysis documentation need only write information concerning that activity and refer to BSAF for further information or copy applicable chapters and sections. The information and guidance provided are suitable for: {sm_bullet} Nuclear facilities (DOE Order 5480-23, Nuclear Safety Analysis Reports) with hazards that meet the Category 3 threshold (DOE-STD-1027-92, Hazard Categorization and Accident Analysis Techniques for Compliance with DOE Order 5480.23, Nuclear Safety Analysis Reports) {sm_bullet} Radiological facilities (DOE-EM-STD-5502-94, Hazard Baseline Documentation) Nonnuclear facilities (DOE-EM-STD-5502-94) that are classified as {open_quotes}low{close_quotes} hazard facilities (DOE Order 5481.1B, Safety Analysis and Review System). Additionally, the BSAF could be used as an information source for Health and Safety Plans and for Safety Analysis Reports (SARs) for nuclear facilities with hazards equal to or greater than the Category 2 thresholds, or for nonnuclear facilities with {open_quotes}moderate{close_quotes} or {open_quotes}high{close_quotes} hazard classifications.

NONE

1995-09-01T23:59:59.000Z

225

Enhanced 1.53??m emission of Er{sup 3+} ions in phosphate glass via energy transfer from Cu{sup +} ions  

SciTech Connect (OSTI)

Optimizing the efficiency of Er{sup 3+} emission in the near-infrared telecommunication window in glass matrices is currently a subject of great interest in photonics research. In this work, Cu{sup +} ions are shown to be successfully stabilized at a high concentration in Er-containing phosphate glass by a single-step melt-quench method, and demonstrated to transfer energy to Er{sup 3+} thereby enhancing the near-infrared emission about 15 times. The spectroscopic data indicate an energy conversion process where Cu{sup +} ions first absorb photons broadly around 360?nm and subsequently transfer energy from the Stokes-shifted emitting states to resonant Er{sup 3+} absorption transitions in the visible. Consequently, the Er{sup 3+} electronic excited states decay and the {sup 4}I{sub 3/2} metastable state is populated, leading to the enhanced emission at 1.53??m. Monovalent copper ions are thus recognized as sensitizers of Er{sup 3+} ions, suggesting the potential of Cu{sup +} co-doping for applications in the telecommunications, solar cells, and solid-state lasing realizable under broad band near-ultraviolet optical pumping.

Jimnez, Jos A., E-mail: jose.jimenez@unf.edu [Department of Chemistry, University of North Florida, Jacksonville, Florida 32224 (United States); Sendova, Mariana [Optical Spectroscopy and Nano-Materials Lab, New College of Florida, Sarasota, Florida 34243 (United States)

2014-07-21T23:59:59.000Z

226

Magnetic properties and magnetocaloric effects of Gd{sub x}Er{sub 1?x}Ga (0???x???1) compounds  

SciTech Connect (OSTI)

We carefully studied the magnetic properties and magnetocaloric effect of Gd{sub x}Er{sub 1-x}Ga (0???x???1) compounds. The Gd{sub x}Er{sub 1-x}Ga compounds undergo two magnetic transitions with temperature increasing: spin-reorientation or antiferromagnetic-to-ferromagnetic (FM) transition and FM-to-paramagnetic transition. As the content of Gd increases from 0 to 1, the transition temperature in low temperature region changes from 15?K to 66?K and the Curie temperature increases obviously from 30?K to 181.9?K. Although the maximum value of magnetic entropy change (?S{sub M}) for Gd{sub x}Er{sub 1?x}Ga decreases with the increase of x, the refrigerant capacity (RC) improves remarkably compared with that of ErGa compound. Table-like ?S{sub M} curves are observed for the compounds with x?=?0.1, 0.2, 0.3, and 0.4, which are very useful for real cooling applications. And Gd{sub 0.2}Er{sub 0.8}Ga and Gd{sub 0.3}Er{sub 0.7}Ga compounds show better magnetocaloric features than others in this series under considerations of both ?S{sub M} and RC. The results of this series of compounds show us a possible way to design and improve the magnetic refrigerant materials by making some substitutions.

Zheng, X. Q.; Wang, L. C.; Wu, R. R.; Hu, F. X.; Sun, J. R.; Shen, B. G., E-mail: shenbg@aphy.iphy.ac.cn [Institute of Physics, State key laboratory for Magnetism, Chinese Academy of Sciences, Beijing 100190 (China); Chen, J. [Beijing Institute of Aerospace Testing Technology, China Aerospace Science and Technology Corporation, Beijing 100074 (China)

2014-05-07T23:59:59.000Z

227

Long-range ferromagnetic order induced by a donor impurity band exchange in SnO{sub 2}:Er{sup 3+} nanoparticles  

SciTech Connect (OSTI)

In this work, the structural and magnetic properties of Er-doped SnO{sub 2} (SnO{sub 2}:Er) nanoparticles are reported. The SnO{sub 2}:Er nanoparticles have been synthesized by a polymer precursor method with Er content from 1.0% to 10.0%. X-ray diffraction results indicate the formation of only the rutile-type structure in all samples. The estimated mean crystallite size shows a decrease from ?10 to ?4?nm when the Er content is increased from 1.0% to 10.0%. The particle size values have been corroborated by transmission electron microscopy technique. The thermal dependence of the magnetization is consistent with the 3+ oxidation state of erbium ions for all samples. A strong paramagnetic-like behavior coexisting with a ferromagnetic phase has been determined for samples with Er content below 5.0%. Above this concentration, only a paramagnetic behavior has been determined. Isothermal magnetization curves are consistent with the occurrence of long-range ferromagnetic order mediated by donor electrons forming bound magnetic polarons which overlap to produce a spin-split impurity band.

Aragn, F. H.; Coaquira, J. A. H. [Ncleo de Fsica Aplicada, Institute of Physics, University of Braslia, Braslia DF 70910-900 (Brazil); Chitta, V. A. [Instituto de Fsica, Universidade de So Paulo, So Paulo, SP 05508-000 (Brazil); Hidalgo, P. [Faculdade Gama-FGA, Sector Central Gama, Universidade de Braslia, Braslia, DF72405-610 (Brazil); Brito, H. F. [Instituto de Qumica, Universidade de So Paulo, So Paulo, SP 05508-000 (Brazil)

2013-11-28T23:59:59.000Z

228

Upcoversion performance improvement of NaYF{sub 4}:Yb, Er by Sn codoping: Enhanced emission intensity and reduced decay time  

SciTech Connect (OSTI)

In this manuscript we report a phenomenon that upconversion emission intensity of Er{sup 3+} was enhanced while decay time constant was decreased obviously by Sn codoping with Yb/Er into hexagonal NaYF{sub 4} synchronously. X-ray powder diffiraction, field emission scanning electron microscope, transmission electron microscopy, X-ray photoelectron spectroscopy, electron spin-resonance spectroscopy and upconversion emission spectra were employed to explore the relation of crystal structure and properties. From these characterizations we found that symmetry of the rare earth ion local crystal field could be tuned by different Sn codoping concentration. For the variable valence property of Sn the local crystal field asymmetry and emission intensity of NaYF{sub 4}:Yb, Er arrived to the maximum when 3 mol% Sn was codoped, while decay time was reduced. The study of this changing tends of upconversion emission intensity and decay time constant may be helpful for design and fabrication of high performance upconversion materials. - Graphical abstract: Variable-valenced Sn is introduced with Yb/Er into NaFY{sub 4} to tune structure and local crystal field. Upconversion emission intensity of Er{sup 3+} was enhanced while decay time constant was decreased. Display Omitted - Highlights: NaYF{sub 4}: Yb, Er was codoped with different concentration Sn. Upconversion emission intensity was enhanced while decay time constant was decreased. Introduction of variable-valenced Sn is effective to tune structure and crystal field of NaFY{sub 4}.

Yu, Han, E-mail: fjfzyh@fzu.edu.cn [College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108 (China); Cao, Wenbing [College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108 (China); Huang, Qingming [Instrumentation Analysis and Research Center, Fuzhou University, Fuzhou, Fujian 350002 (China); Ma, En [Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002 (China); Zhang, Xinqi [Instrumentation Analysis and Research Center, Fuzhou University, Fuzhou, Fujian 350002 (China); Yu, Jianchang [College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108 (China)

2013-11-15T23:59:59.000Z

229

Structural and ambient/sub-ambient temperature magnetic properties of Er-substituted cobalt-ferrites synthesized by sol-gel assisted auto-combustion method  

SciTech Connect (OSTI)

Er-substituted cobalt-ferrites CoFe{sub 2?x}Er{sub x}O{sub 4} (0???x???0.04) were synthesized by sol-gel assisted auto-combustion method. The precursor powders were calcined at 673873?K for 4?h, subsequently pressed into pellets and sintered at 1273?K for 4?h. X-ray diffraction (XRD) confirmed the presence of the spinel phase for all the compositions and, additional orthoferrite phase for higher compositions (x?=?0.03 and 0.04). The XRD spectra and the Transmission Electron Microscopy micrographs indicate that the nanocrystalline particulates of the Er-substituted cobalt ferrites have crystallite size of ?120200?nm. The magnetization curves show an increase in saturation magnetization (M{sub S}) and coercivity (H{sub C}) for Er-substituted cobalt-ferrites at sub-ambient temperatures. M{sub S} for CoFe{sub 2}O{sub 4}, CoFe{sub 0.99}Er{sub 0.01}O{sub 4}, CoFe{sub 0.98}Er{sub 0.02}O{sub 4}, and CoFe{sub 0.97}Er{sub 0.03}O{sub 4} peak at 89.7?Am{sup 2}/kg, 89.3?Am{sup 2}/kg, 88.8?Am{sup 2}/kg, and 87.1?Am{sup 2}/kg, respectively, at a sub-ambient temperature of ?150?K. H{sub C} substantially increases with decrease in temperature for all the compositions, while it peaks at x?=?0.01?0.02 at all temperatures. The combination of Er contentx???0.02 and the temperature?5?K provides the maximum H{sub C}???984?kA/m. Er-substituted cobalt-ferrites have higher cubic anisotropy constant, K{sub 1}, compared to pure cobalt-ferrite at ambient/sub-ambient temperatures. K{sub 1} gradually increases for all compositions in the temperature decreasing from 300 to 100?K. While K{sub 1} peaks at ?150?K for pure cobalt-ferrite, it peaks at ?50?K for CoFe{sub 0.99}Er{sub 0.01}O{sub 4}, CoFe{sub 0.98}Er{sub 0.02}O{sub 4}, and CoFe{sub 0.96}Er{sub 0.04}O{sub 4}. The M{sub S} (?88.7?Am{sup 2}/kg), at 5?K, for Er substituted cobalt-ferrite is close to the highest values reported for Sm and Gd substituted cobalt-ferrites. The M{sub S} (?83.5?Am{sup 2}/kg) at 300?K for Er-substituted cobalt-ferrite is the highest among the lanthanide series element substituted cobalt-ferrites. The H{sub C} (at 5?K) for Er substituted cobalt-ferrite is close to the highest values observed for La, Ce, Nd, Sm, and Gd substituted cobalt-ferrites.

Prathapani, Sateesh [School of Engineering Sciences and Technology, University of Hyderabad, Hyderabad 500046 (India); Department of Metallurgical Engineering and Materials Science, IIT-Bombay, Mumbai 400076 (India); Jayaraman, Tanjore V., E-mail: ddas@uohyd.ernet.in, E-mail: tvjayaraman@gmail.com [Department of Mechanical and Materials Engineering, University of Nebraska, Lincoln, Nebraska 68588 (United States); Varaprasadarao, Eswara K. [Department of Metallurgical Engineering and Materials Science, IIT-Bombay, Mumbai 400076 (India); Das, Dibakar, E-mail: ddas@uohyd.ernet.in, E-mail: tvjayaraman@gmail.com [School of Engineering Sciences and Technology, University of Hyderabad, Hyderabad 500046 (India)

2014-07-14T23:59:59.000Z

230

UNIVERSITY OF SUSSEX 1 Advertisement Ref: 648  

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in Sustainable Energy Technology incorporating courses on energy policy from the Science Policy Research Unit: novel electric potential sensors (EPS) licensed to Plessey Semiconductors and marketed as the EPIC s of the salary scale. Expected start date: 1 September 2014 The School of Engineering and Informatics

Sussex, University of

231

UNIVERSITY OF SUSSEX 1 Advertisement Ref: 649  

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in Sustainable Energy Technology incorporating courses on energy policy from the Science Policy Research Unit: novel electric potential sensors (EPS) licensed to Plessey Semico of the salary scale. Expected start date: 1 September 2014 The School of Engineering and Informatics

Sussex, University of

232

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degrees with the MSc in Sustainable Energy Technology incorporating courses on energy policy from commercialised including: novel electric potential sensors (EPS) licensed to Plessey Semiconductors and marketed start date: 1 September 2014 The School of Engineering and Informatics at the University of Sussex

Sussex, University of

233

UNIVERSITY OF SUSSEX 1 Advertisement Ref: 647  

E-Print Network [OSTI]

in Sustainable Energy Technology incorporating courses on energy policy from the Science Policy Research Unit: novel electric potential sensors (EPS) licensed to Plessey Semiconductors and marketed as the EPIC of the salary scale. Expected start date: 1 September 2014 The School of Engineering and Informatics

Sussex, University of

234

UNIVERSITY OF SUSSEX 1. Advertisement Ref: 932  

E-Print Network [OSTI]

will assess the innovative characteristics of community energy initiatives, diffusion strategies and success January 2011 surveying community energy projects and networks We are seeking a Research Fellow to work with Dr Adrian Smith on `Community Innovations in Sustainable Energy', funded by Engineering and Physical

Franssen, Michael

235

UNIVERSITY OF SUSSEX 1. Advertisement Ref: 931  

E-Print Network [OSTI]

and scenarios will assess the innovative characteristics of community energy initiatives, diffusion strategies October 2010 undertaking community energy case studies and scenario building We are seeking a Research Fellow to work with Dr Adrian Smith on `Community Innovations in Sustainable Energy', funded

Franssen, Michael

236

UNIVERSITY OF SUSSEX 1 Advertisement Ref: 598  

E-Print Network [OSTI]

systems is essential, with networking, data protection, security and storage systems experience being are looking for a High Performance Computing (HPC) Research Assistant to join the small but busy Research desirable. An ability to use Perl, shell and Python scripting to maintain and develop administrative tools

Sussex, University of

237

UNIVERSITY OF SUSSEX 1 Advertisement Ref: 239  

E-Print Network [OSTI]

Science and Technology Policy Research Senior Research Fellow in Innovation and Energy Demand Fixed term and Energy Demand, led by the Sussex Energy Group (SEG). This full time position is initially for a period of 36 months, with a possible extension to five years. The Sussex Energy Group at SPRU is one of the UK

Jensen, Max

238

UNIVERSITY OF SUSSEX 1. Advertisement Ref: 746  

E-Print Network [OSTI]

­ Science Policy Research Unit Research Fellow in Innovation and Energy Demand (Full time, fixed term for 3 candidate will join the Sussex Energy Group (SEG) in SPRU and contribute to the research of the Centre on Innovation and Energy Demand (CIED). SPRU is internationally recognised as a leading research centre

Sussex, University of

239

UNIVERSITY OF SUSSEX 1. Advertisement Ref: 745  

E-Print Network [OSTI]

­ Science Policy Research Unit Senior Research Fellow in Innovation and Energy Demand (Full time, Fixed term. The successful candidate will join the Sussex Energy Group (SEG) in SPRU and contribute to the research of the Centre on Innovation and Energy Demand (CIED). SPRU is internationally recognised as a leading research

Sussex, University of

240

UNIVERSITY OF SUSSEX 1 Advertisement Ref: 470  

E-Print Network [OSTI]

implications of 3D printing, successes and failures in low energy innovation, the diffusion of energy service

Sussex, University of

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Widget:RefHelper | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address: 160 East 300 South Place:

242

Special features of the excitation spectra and kinetics of photoluminescence of the Si{sub 1-x}Ge{sub x}:Er/Si structures with relaxed heterolayers  

SciTech Connect (OSTI)

Luminescent properties of heteroepitaxial Si{sub 1-x}Ge{sub x}:Er/Si structures with relaxed heterolayers are studied. The results of combined studies of the excitation spectra and kinetics of photoluminescence (PL) are used to single out the components providing the largest contribution to the PL signal of the Si{sub 1-x}Ge{sub x}:Er/Si structures in the wavelength region of 1.54 {mu}m. It is shown that relaxation of elastic stresses in the Si{sub 1-x}Ge{sub x}:Er heterolayer affects only slightly the kinetic characteristics of erbium luminescence and manifests itself in insignificant contribution of the defects and defect-impurity complexes to the luminescent response of the Si{sub 1-x}Ge{sub x}:Er/Si structures. In the excitation spectra of the erbium PL, special features related to the possibility of the rare-earth impurity excitation at energies lower than the band gap of the Si{sub 1} {sub -x}Ge{sub x} solid solution are revealed. It is shown that a peak the width of which depends on the band gap of the solid solution and the extent of its relaxation is observed in the excitation spectra of the erbium-related PL in the Si{sub 1-x}Ge{sub x}:Er/Si structures in the wavelength region of 1040-1050 nm. The observed specific features are accounted for by involvement of intermediate levels in the band gap of the Si{sub 1-x}Ge{sub x}:Er solid solution in the process of excitation of an Er{sup 3+} ion.

Krasilnikova, L. V., E-mail: Luda@ipm.sci-nnov.ru; Yablonskiy, A. N.; Stepikhova, M. V.; Drozdov, Yu. N. [Russian Academy of Sciences, Institute for Physics of Microstructures (Russian Federation); Shengurov, V. G. [Lobachevsky State University, Physicotechnical Research Institute (Russian Federation); Krasilnik, Z. F. [Russian Academy of Sciences, Institute for Physics of Microstructures (Russian Federation)

2010-11-15T23:59:59.000Z

243

Final Report for DOE grant project FG02-07ER41458 [Dense Quark Matter in Magnetic Fields  

SciTech Connect (OSTI)

Final Report for DOE grant DE-FG02-07ER41458. This grant was originally a three-year project. However, this final report summarizes the results of the first two years, as at the end of the second year of the grant the PIs moved to a new university and the grant was closed. The work done under the first two years of the DOE grant led to several papers and presentations. It also served to train one undergraduate and three graduate students.

Incera, Vivian

2012-01-24T23:59:59.000Z

244

Huntingtin is required for ER-to-Golgi transport and for secretory vesicle fusion at the plasma membrane  

E-Print Network [OSTI]

et al., 2009; Presley et al., 1997; Roghi and Allan, 1999). To determine whether compromising dynein activity affects the ER-to-Golgi GFP-hGH transport assay, we performed siRNA knockdown of the dynein associated intermediate chain (DIC... cells. Nature. 389:81-85. Roghi, C., and V.J. Allan. 1999. Dynamic association of cytoplasmic dynein heavy chain 1a with the Golgi apparatus and intermediate compartment. J Cell Sci. 112 ( Pt 24):4673-4685. Sahlender, D.A., R.C. Roberts, S.D. Arden...

Brandstaetter, Hemma; Kruppa, Antonina J.; Buss, Folma

2014-10-31T23:59:59.000Z

245

Completion Report for Well ER-20-4 Corrective Action Units 101 and 102: Central and Western Pahute Mesa  

SciTech Connect (OSTI)

Well ER-20-4 was drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office in support of the Nevada Environmental Restoration Project at the Nevada National Security Site, Nye County, Nevada. The well was drilled in August and September 2010 as part of the Pahute Mesa Phase II drilling program. The primary purpose of the well was to investigate the possibility of radionuclide transport from up-gradient underground nuclear tests conducted in central Pahute Mesa. This well also provided detailed hydrogeologic information in the Tertiary volcanic section that will help reduce uncertainties within the Pahute Mesa-Oasis Valley hydrostratigraphic framework model.

NSTec Environmental Management

2011-04-30T23:59:59.000Z

246

Identification of the {gamma}-vibrational band built on the 11/2{sup -}[505] orbital in {sup 165}Er  

SciTech Connect (OSTI)

Excited states in {sup 165}Er have been populated using the {sup 160}Gd({sup 9}Be, 4n) reaction at beam energies of 42 and 45 MeV. A band consisting of two levels at excitation energies of 1317.6 and 1505.9 keV, both of which decay strongly to the 11/2{sup -}[505] band, is observed and assigned as the {gamma}-vibrational band built on the 11/2{sup -}[505] configuration. In addition, a newly identified level is proposed as a three-quasiparticle state.

Wang, S. T. [Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 (China); Graduate University of Chinese Academy of Sciences, Beijing 100049 (China); Zhou, X. H.; Zhang, Y. H.; Sun, Z. Y.; Zheng, Y.; Liu, M. L.; Chen, L.; Zhang, N. T.; Hu, J.; Ma, F.; Hua, W.; Guo, S.; Qiang, Y. H.; Ma, L.; Fang, Y. D.; Li, G. S.; Zhou, H. B.; Ding, B.; Wang, H. X.; Lei, X. G. [Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 (China)

2011-09-15T23:59:59.000Z

247

Final Technical Report DOE Award DE-FG02-07ER41515 QUEST Camera Short Term Maintenance  

Office of Scientific and Technical Information (OSTI)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinan antagonist Journal Article: Crystal structureComposite--FOR IMMEDIATEDOE Award DE-FG02-07ER41515 QUEST

248

ER2 Instrumentation and Measurements for CLASIC (Cloud Land Surface Interaction Campaign) June-2007 SGP {Author-Jimmy Voyles}  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed NewcatalystNeutronEnvironment >Dange1·DangerEPADetection R. De Souza 1 ,ER2

249

Discrimination between energy transfer and back transfer processes for GaAs host and Er luminescent dopants using electric response analysis  

SciTech Connect (OSTI)

The energy transfer and back transfer processes of GaAs co-doped with Er and O (GaAs:Er,O) were experimentally distinguished by using a frequency response analysis of the AC photocurrent. The results were achieved by using the difference in the frequency dispersion between (1) the dispersion of the energy transfer, which is triggered by the trapping of free charges in the GaAs host and is represented with the Debye relaxation response and (2) the dispersion of the energy back transfer, which is induced by non-radiative transition of 4f bound electrons in the Er dopants and is described with a Lorentzian. The Debye relaxation response found in GaAs:Er,O provided a charge trapping time that was dependent on temperature, which was well correlated with the thermal quenching property of intense intra-4f-shell luminescence. The spectral shape of the Lorentzian dependence on the temperature was explained with the thermal excitation of Er 4f electrons and release of trapped charges in GaAs. The thermal excitation and release of charges consistently explained the characteristics of weak 4f luminescence in low- and high-temperature regions, respectively.

Ishii, Masashi, E-mail: ISHII.Masashi@nims.go.jp [National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0047 (Japan); Koizumi, Atsushi; Fujiwara, Yasufumi [Division of Materials and Manufacturing Science, Graduate School of Engineering Osaka University, Suita, Osaka 565-0871 (Japan); Takeda, Yoshikazu [Nagoya Industrial Science Research Institute, Nagoya, Aichi 464-0819 (Japan)

2014-04-07T23:59:59.000Z

250

Luminescence thermometry below room temperature via up-conversion emission of Y{sub 2}O{sub 3}:Yb{sup 3+},Er{sup 3+} nanophosphors  

SciTech Connect (OSTI)

This study explores potential of Er{sup 3+}-Yb{sup 3+} doped phosphors for up-conversion luminescence thermometry in the temperature range from 10?K to 300?K. Yttrium oxide nanopowder doped with trivalent ytterbium and erbium ions (Y{sub 1.97}Yb{sub 0.02}Er{sub 0.01}O{sub 3}) was prepared by hydrothermal synthesis as an example. The intensity ratios of up-conversion emissions from thermally coupled {sup 2}H{sub 11/2} and {sup 4}S{sub 3/2} levels of Er{sup 3+} show strong temperature dependence (in the range 150?K300?K) with much higher relative sensitivity than those reported for thermometry above room temperature with Er{sup 3+}-Yb{sup 3+} based up-conversion materials. The maximal value of relative sensitivity is 5.28%K{sup ?1} at 150?K, with temperature resolution ranging from 0.81?K to 0.06?K. In addition, the intensity ratios of emission from thermally non-coupled Er{sup 3+} levels ({sup 2}H{sub 9/2} and {sup 4}F{sub 9/2}) and from {sup 4}S{sub 3/2} also show temperature dependence that can be approximated with an exponential function. With these up-conversion emission ratios, it is possible measure temperature in the range of 10?K to 300?K with excellent sensitivity and resolution.

Lojpur, V.; Nikoli?, G.; Drami?anin, M. D., E-mail: dramican@vinca.rs [Vin?a Institute of Nuclear Sciences, University of Belgrade, P.O. Box 522, Belgrade 11001 (Serbia)

2014-05-28T23:59:59.000Z

251

Optical properties and energy transfer processes of Ho{sup 3+}/Er{sup 3+}- codoped fluorotellurite glass under 1550?nm excitation for 2.0??m applications  

SciTech Connect (OSTI)

This paper investigates 2.0??m emission properties and energy transfer processes in the Er{sup 3+}/Ho{sup 3+} codoped fluorotellurite glass. The measured absorption spectra demonstrate that the codoped sample can be pumped by 1550?nm excitation efficiently. Judd-Ofelt and radiative parameters are calculated and discussed. Intensive 2.0??m emission originating from Ho{sup 3+}: {sup 5}I{sub 7}?{sup 5}I{sub 8} transition is observed and a long lifetime (11?ms) of the {sup 5}I{sub 7} level is measured when Ho{sup 3+} ions are sensitized by Er{sup 3+} ions. Meanwhile, the upconversion spectra of the Er{sup 3+} singly and codoped samples are obtained and the energy transfer processes of the two ions is discussed based on the change of the upconversion emissions. The microscopic interaction parameters of the phonon-assisted (Er{sup 3+}: {sup 4}I{sub 13/2}?Ho{sup 3+}:{sup 5}I{sub 7}) process are calculated and the microparameter reaches as high as 10.1??10{sup ?41} cm{sup 6}/s. Hence, these results indicate that this Ho{sup 3+}/Er{sup 3+} codoped fluorotellurite glass will be a suitable material for developing solid state laser around 2.0??m.

Huang, Feifei; Liu, Xueqiang [Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 (China); Graduate School of Chinese Academy of Sciences, Beijing 100039 (China); Hu, Lili; Chen, Danping, E-mail: dpchen2008@aliyun.com [Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 (China)

2014-07-21T23:59:59.000Z

252

FInal Report: DE-FG02-04ER41310 "Elementary Particle Physics"  

SciTech Connect (OSTI)

ATLAS and the LHC are delivering on the promise of discovery physics at the high energy frontier. Using 4.8 fb^-1 of 2011 ?s=7 TeV data and the first 5.8 fb?1 of 2012 ?s=8 TeV data, ATLAS published the observation of a new particle with a mass of 126 GeV with a significance of 5.9? that is compatible with a Standard Model (SM) Higgs. The LHC is outperforming intial projections for the 2012 run, and ATLAS is on track to integrate ~20 fb^(-1) of proton-proton collisions in 2012 before Long Shutdown 1 (LS1) begins in Spring 2013. University of Texas at Dallas (UTD) physicists will complete work on two ATLAS analyses this fall. The first is the search for the gauge bosons of a hypothesized dark sector. For 2011 data, UTD is responsible for the ?dark photon?search in the electron-jet channel, and we are looking forward to an expanded leadership role in the dark photon search using the full 2012 data set. Our second analysis interest is the study of X/Y/Z exotic states having cc ? content, which builds on our experience in this field from the BABAR experiment After completing a measurement of the Xc(3872) production cross section this fall, we will search for evidence of the Z(4430)+ which is reported by Belle but not confirmed by BABAR. The UTD group has played a strong role in ATLAS operations, with group members serving as Pixel Run Coordinator, ATLAS Shift Leader, and Pixel/Inner Detector Shifter. For most of the current 3-year funding cycle, a group member coordinated the development of the Pixel DAQ code, and another continues to build and maintain the data quality monitoring (DQM) application that is used by the Inner Detector control room shifter. Additionally, members of our group take Pixel on-call expert shifts for DQM and DAQ. We led an optoboard lifetime study to assess concerns of premature on-detector VCSEL failure using the Pixel working prototype detector at CERN. Physicists based at UTD participated through Pixel Offline DQM and ATLAS Distributed Computing Operations Shifts (ADCoS) During Summer 2012, UTD joined upgrade activities in preparation for LS1. We took a major role in the testing of Electro-Readout (ER) Bundle testing for new Service Quarter Panels (nSQP?s), and we developed two utilities to measure the timing jitter and bit error rate of the Pixel readout chain for use commissioning Pixel detector upgrades. During BABAR?s heyday, the UTD group pioneered the use of e^+ e^- annihilation events with hard Initial State Radiation (ISR) to study the charm threshold region, and we carried out the first BABAR double-cc ? analysis. Our most recent ISR paper, written in collaboration with A. Palano (Bari) is Exclusive Production of Ds^+ Ds^-, D_S^(*+) Ds^-, and Ds^(*+) Ds^(*-) via e+ e- Annihilation with Initial-State-Radiation was published in Physical Review D 82, 052004 (2010). Work continues on a study of ISR ?c^+ ?c^- production, and a new search to establish and study double-ss ? production is starting.

Izen, Joseph M. [University of Texas at Dallas] [University of Texas at Dallas; Ishak-Boushaki, Mustapha [University of Texas at Dallas] [University of Texas at Dallas

2013-10-18T23:59:59.000Z

253

Completion Report for Well ER-EC-14, Corrective Action Units 101 and 102: Central and Western Pahute Mesa  

SciTech Connect (OSTI)

Well ER-EC-14 was drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office in support of the Nevada Environmental Management Operations Underground Test Area (UGTA) Activity at the Nevada National Security Site (NNSS; formerly Nevada Test Site), Nye County, Nevada. The well was drilled in September and October 2012, as part of the Central and Western Pahute Mesa Corrective Action Unit Phase II drilling program. The primary purpose of the well was to provide detailed hydrogeologic information for the Fortymile Canyon composite hydrostratigraphic unit in the Timber Mountain moat area, within the Timber Mountain caldera complex, that will help address uncertainties within the Pahute MesaOasis Valley hydrostratigraphic framework model. The main 55.9-centimeter (cm) hole was drilled to a total depth of 325.5 meters (m) and cased with 40.6-cm casing to 308.1 m. The hole diameter was then decreased to 37.5 cm, and drilling continued to a total depth of 724.8 m. The completion casing string, set to the depth of 690.9 m, consists of 16.8-cm stainless-steel casing hanging from 19.4-cm carbon-steel casing. The stainless-steel casing has two slotted intervals open to the Rainier Mesa Tuff. Two piezometer strings were installed in Well ER-EC-14. Both piezometer strings, each with one slotted interval, consist of 6.0-cm carbon-steel tubing at the surface, then cross over to 7.3-cm stainless-steel tubing just above the water table. The shallow piezometer string was landed at 507.8 m, and the deep piezometer string was landed at 688.6 m. Both piezometer strings are set to monitor groundwater within moderately to densely welded Rainier Mesa Tuff. Data collected during and shortly after hole construction include composite drill cuttings samples collected every 3.0 m, various geophysical logs, water quality (including tritium and other radionuclides) measurements, and water level measurements. The well penetrated 15.2 m of alluvium and 709.6 m of Tertiary volcanic rocks. The stratigraphy and general lithology were not as expected due to the position of Well ER-EC-14 relative to the buried caldera margins of the Timber Mountain caldera complex. The well is located inside the Rainier Mesa caldera, but outside the younger Ammonia Tanks caldera. On November 5, 2012, a preliminary fluid level in the shallow piezometer string was measured at the depth of 311.8 m. This water level depth was taken before installation of the bridge plug (to be placed within the main completion casing to separate the two slotted zones). Well development, hydrologic testing, and sampling, will be conducted at a later date. No tritium above levels detectable by field methods were encountered in this hole. All Fluid Management Plan (FMP) requirements for Well ER-EC-14 were met. Analysis of monitoring samples and FMP confirmatory samples indicated that fluids generated during drilling at Well ER-EC-14 met the FMP criteria for discharge to an unlined sump or designated infiltration area. All sanitary and hydrocarbon waste generated was properly handled and disposed of.

None

2013-03-05T23:59:59.000Z

254

In-situ time-of-flight neutron diffraction of ErD2 (beta phase) formation during D2 loading.  

SciTech Connect (OSTI)

In an effort to better understand the structural changes occurring during hydrogen loading of erbium target materials, we have performed D{sub 2} loading of erbium metal (powder) with simultaneous neutron diffraction analysis. This experiment tracked the conversion of Er metal to the {alpha} erbium deuteride (solid-solution) phase and then on to the {beta} (fluorite) phase. Complete conversion to ErD{sub 2.0} was accomplished at 10 Torr D{sub 2} pressure with deuterium fully occupying the tetrahedral sites in the fluorite lattice. Increased D{sub 2} pressure (up to 500 Torr at 450 C) revealed {approx}10 % deuterium occupation of the octahedral sites. Subsequent vacuum pumping of the sample at 450 C removed octahedral site occupancy while maintaining tetrahedral deuterium occupancy, thereby yielding stoichiometric ErD{sub 2.0} {beta} phase.

Browning, James Frederick (Oak Ridge National Laboratory, Oak Ridge, TN); Llobet, Anna (Los Alamos National Laboratory, Los Alamos, NM); Snow, Clark Sheldon; Rodriguez, Mark Andrew; Wixom, Ryan R.

2008-06-01T23:59:59.000Z

255

DE-FG02-08ER64658 (OASIS) - Final Technical Report  

SciTech Connect (OSTI)

Project OASIS (Operation of Advanced Structures, Interfaces and Sub-components for MEAs) was a 12 month project that ran from 1st September 2008 to 31st August 2009, and was managed by the Department of Energy Office of Science, Chicago Office, as Award No DE-FG02-08ER64658, with Johnson Matthey Fuel Cells Inc. as the sole contractor. The project was completed on schedule, with technical successes (details below) and payment of the full grant award made by DOE. The aim of the project was the development of membrane electrode assemblies (MEAs) for H2/air polymer electrolyte membrane (PEM) fuel cells that would give higher performance under hot/dry and dry operating conditions, ideally with no loss of performance under wet conditions. Reducing or eliminating the need for humidifying the incoming gases will allow significant system cost and size reduction for many fuel cell applications including automotive, stationary and back-up power, and portable systems. Portable systems are also of particular interest in military markets. In previous work Johnson Matthey Fuel Cells had developed very stable, corrosion-resistant catalysts suitable for resisting degradation by carbon corrosion in particular. These materials were applied within the OASIS project as they are considered necessary for systems such as automotive where multiple start-stop events are experienced. These catalysts were contrasted with more conventional materials in the design of catalyst layers and novel microporous layers (MPLs) and gas diffusion layer (GDL) combinations were also explored. Early on in the work it was shown how much more aggressive high temperature operation is than dry operation. At the same humidity, tests at 110?C caused much more dehydration than tests at 80?C and the high temperature condition was much more revealing of improvements made to MEA design. Alloy catalysts were introduced and compared with Pt catalysts with a range of particle sizes. It was apparent that the larger particle sizes of the alloy catalysts led to a reduction in performance that offset much of their kinetic advantage. The Pt-only materials clearly showed that small particles are beneficial to good performance under hot/dry conditions, because of their higher surface area, although they are known to be less stable to cyclic operation. An ex-situ water vapour sorption technique was developed that showed a very clear correlation with in-cell performance: catalyst powders that absorbed more water gave better performance in-cell. It was shown that alloy catalysts could give a 25 mV advantage over Pt-only at 1 Acm-2. GDL design was also shown to influence performance and more permeable GDLs on the anode allowed better membrane hydration and therefore conductivity. A very impermeable GDL on the cathode caused cathode flooding even under dry conditions, but a novel cathode MPL incorporating ionomer and operating at 110?C, 33/17% RH showed a 150 mV gain at 800 mAcm-2 over the conventional MPL. This project has increased the understanding of the factors that influence performance loss under dry conditions, including the development of an insightful ex-situ characterisation technique (Dynamic Vapour Sorption). All the approaches investigated can be readily implemented in state-of the-art MEAs, although optimisation would be needed to integrate the new designs with existing MEA types and to tune to the exact range of operating conditions. The work is thus expected to benefit the public by feeding through more condition-tolerant production MEAs to a range of applications and thereby accelerate the commercialisation of fuel cell technology. In summary, a number of specific catalyst, catalyst layer, MPL and GDL improvements were made during this project. Often the best designs under dry conditions translated to some performance loss under wet conditions, but compromise situations were also found where dry performance was improved with no loss of wet performance.

Sharman, Jonathan

2013-09-05T23:59:59.000Z

256

Completion Report for Well ER-EC-13 Corrective Action Units 101 and 102: Central and Western Pahute Mesa  

SciTech Connect (OSTI)

Well ER-EC-13 was drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office, in support of the Nevada Environmental Restoration Project at the Nevada National Security Site (formerly Nevada Test Site), Nye County, Nevada. The well was drilled in October 2010 as part of the Pahute Mesa Phase II drilling program. A main objective was to provide detailed hydrogeologic information for the Fortymile Canyon composite unit hydrostratigraphic unit in the Timber Mountain moat area, within the Timber Mountain caldera complex, that will help address uncertainties within the Pahute MesaOasis Valley hydrostratigraphic framework model. This well may also be used as a long-term monitoring well.

NSTec Environmental Management

2011-05-31T23:59:59.000Z

257

Well Completion Report for Well ER-20-11, Corrective Action Units 101 and 102: Central and Western Pahute Mesa  

SciTech Connect (OSTI)

Well ER-20-11 was drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office in support of the Nevada Environmental Management Operations Underground Test Area (UGTA) Activity at the Nevada National Security Site (formerly Nevada Test Site), Nye County, Nevada. The well was drilled in September 2012 as part of the Central and Western Pahute Mesa Corrective Action Unit Phase II drilling program. Well ER-20-11 was constructed to further investigate the nature and extent of radionuclidecontaminated groundwater encountered in two nearby UGTA wells, to help define hydraulic and transport parameters for the contaminated Benham aquifer, and to provide data for the UGTA hydrostratigraphic framework model. The 44.5-centimeter (cm) surface hole was drilled to a depth of 520.0 meters (m) and cased with 34.0-cm casing to 511.5 m. The hole diameter was then decreased to 31.1 cm, and the borehole was drilled to a total depth of 915.6 m. The hole was completed to allow access for hydrologic testing and sampling in the target aquifer, which is a lava-flow aquifer known as the Benham aquifer. The completion casing string, set to the depth of 904.3 m, consists of a string of 6?-inch (in.) stainless-steel casing hanging from a string of 7?-in. carbon-steel casing. The stainless-steel casing has one slotted interval at 796.3 to 903.6 m. One piezometer string was installed, which consists of 2?-in. stainless-steel tubing that hangs from 2?-in. carbon-steel tubing via a crossover sub. This string was landed at 903.8 m and is slotted in the interval 795.3 to 903.1 m. Data collected during and shortly after hole construction include composite drill cuttings samples collected every 3.0 m, various geophysical logs, fluid samples (for groundwater chemistry analysis and tritium measurements), and water-level measurements. The well penetrated 915.6 m of Tertiary volcanic rock, including one saturated lava flow aquifer. Measurements on samples taken from the undeveloped well indicated elevated tritium levels within the Benham aquifer. The maximum tritium level measured with field equipment was 146,131 picocuries per liter from a sample obtained at the depth of 912.0 m. The fluid level was measured in the piezometer string at a depth of 504.5 m on September 26, 2012. All Fluid Management Plan (FMP) requirements for Well ER-20-11 were met. Analysis of monitoring samples and FMP confirmatory samples indicated that fluids generated during drilling at Well ER-20-11 met the FMP criteria for discharge to an unlined sump or designated infiltration area. Well development, hydrologic testing, and sampling will be conducted at a later date.

NSTec Environmental Management

2013-02-27T23:59:59.000Z

258

Completion Report for Well ER-EC-15 Corrective Action Units 101 and 102: Central and Western Pahute Mesa  

SciTech Connect (OSTI)

Well ER-EC-15 was drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office in support of the Nevada Environmental Restoration Project at the Nevada National Security Site (formerly known as the Nevada Test Site), Nye County, Nevada. The well was drilled in October and November 2010, as part of the Pahute Mesa Phase II drilling program. The primary purpose of the well was to provide detailed hydrogeologic information in the Tertiary volcanic section in the area between Pahute Mesa and the Timber Mountain caldera complex that will help address uncertainties within the Pahute MesaOasis Valley hydrostratigraphic model. In particular, the well was intended to help define the structural position and hydraulic parameters of volcanic aquifers potentially down-gradient from underground nuclear tests on Pahute Mesa. It may also be used as a long-term monitoring well.

NSTec Environmental Management

2011-05-31T23:59:59.000Z

259

Completion Report for Well ER-EC-12 Corrective Action Units 101 and 102: Central and Western Pahute Mesa  

SciTech Connect (OSTI)

Well ER-EC-12 was drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office in support of the Nevada Environmental Restoration Project at the Nevada National Security Site (formerly known as the Nevada Test Site), Nye County, Nevada. The well was drilled in June and July 2010 as part of the Pahute Mesa Phase II drilling program. The primary purpose of the well was to provide detailed hydrogeologic information in the Tertiary volcanic section in the area between Pahute Mesa and the Timber Mountain caldera complex that will help address uncertainties within the Pahute MesaOasis Valley hydrostratigraphic model. In particular, the well was intended to help define the structural position and hydraulic parameters for volcanic aquifers potentially down-gradient from historic underground nuclear tests on Pahute Mesa. It may also be used as a long-term monitoring well.

NSTec Environmental Management

2011-04-30T23:59:59.000Z

260

Relativistic energy density functionals: Low-energy collective states of {sup 240}Pu and {sup 166}Er  

SciTech Connect (OSTI)

The empirical relativistic density-dependent, point-coupling energy density functional, adjusted exclusively to experimental binding energies of a large set of deformed nuclei with Aapprox =150-180 and Aapprox =230-250, is tested with spectroscopic data for {sup 166}Er and {sup 240}Pu. Starting from constrained self-consistent triaxial relativistic Hartree-Bogoliubov calculations of binding energy maps as functions of the quadrupole deformation in the beta-gamma plane, excitation spectra and E2 transition probabilities are calculated as solutions of the corresponding microscopic collective Hamiltonian in five dimensions for quadrupole vibrational and rotational degrees of freedom and compared with available data on low-energy collective states.

Li, Z. P. [Physics Department, Faculty of Science, University of Zagreb, 10000 Zagreb (Croatia); State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871 (China); School of Physical Science and Technology, Southwest University, Chongqing 400715 (China); Niksic, T.; Vretenar, D. [Physics Department, Faculty of Science, University of Zagreb, 10000 Zagreb (Croatia); Ring, P. [State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871 (China); Physik-Department der Technischen Universitaet Muenchen, D-85748 Garching (Germany); Meng, J. [State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871 (China); School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191 (China)

2010-06-15T23:59:59.000Z

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Role of silicon excess in Er-doped silicon-rich nitride light emitting devices at 1.54??m  

SciTech Connect (OSTI)

Erbium-doped silicon-rich nitride electroluminescent thin-films emitting at 1.54??m have been fabricated and integrated within a metal-oxide-semiconductor structure. By gradually varying the stoichiometry of the silicon nitride, we uncover the role of silicon excess on the optoelectronic properties of devices. While the electrical transport is mainly enabled in all cases by Poole-Frenkel conduction, power efficiency and conductivity are strongly altered by the silicon excess content. Specifically, the increase in silicon excess remarkably enhances the conductivity and decreases the charge trapping; however, it also reduces the power efficiency. The main excitation mechanism of Er{sup 3+} ions embedded in silicon-rich nitrides is discussed. The optimum Si excess that balances power efficiency, conductivity, and charge trapping density is found to be close to 16%.

Ramrez, J. M., E-mail: jmramirez@el.ub.edu; Berencn, Y.; Garrido, B. [MIND-IN2UB, Department Electrnica, Universitat de Barcelona, Mart i Franqus 1, Barcelona 08028 (Spain); Cueff, S. [Institut des Nanotechnologies de Lyon, cole Centrale de Lyon, cully 69134 (France); Labb, C. [Centre de Recherche sur les Ions, les Matriaux et la Photonique (CIMAP), UMR 6252 CNRS/CEA/Ensicaen/UCBN, Caen 14050 (France)

2014-08-28T23:59:59.000Z

262

Single and two-photon fluorescence control of Er{sup 3+} ions by phase-shaped femtosecond laser pulse  

SciTech Connect (OSTI)

We experimentally demonstrate the control of the single and two-photon fluorescence (SPF and TPF) in Er{sup 3+} ions by shaping the femtosecond laser pulse with a ? or square phase modulation. With the low laser intensity (8.4??10{sup 10}?W/cm{sup 2}), SPF keeps a constant while TPF is effectively suppressed by the two control schemes. With the high laser intensity (1.2??10{sup 13}?W/cm{sup 2}), both SPF and TPF are simultaneously enhanced or suppressed by the ? phase modulation, and SPF is enhanced while TPF is effectively suppressed by the square phase modulation. The up/down-conversion fluorescence enhancement, suppression, or tuning by the optical control method can greatly expand its applications in various related fields.

Zhang, Shian, E-mail: sazhang@phy.ecnu.edu.cn; Ding, Jingxin; Lu, Chenhui; Jia, Tianqing; Sun, Zhenrong, E-mail: zrsun@phy.ecnu.edu.cn [State Key Laboratory of Precision Spectroscopy, and Department of Physics, East China Normal University, Shanghai 200062 (China)] [State Key Laboratory of Precision Spectroscopy, and Department of Physics, East China Normal University, Shanghai 200062 (China); Xu, Shuwu [State Key Laboratory of Precision Spectroscopy, and Department of Physics, East China Normal University, Shanghai 200062 (China) [State Key Laboratory of Precision Spectroscopy, and Department of Physics, East China Normal University, Shanghai 200062 (China); School of Science, Nantong University, Nantong 226007 (China); Qiu, Jianrong [State Key Laboratory of Luminescent Materials and Devices, and Institute of Optical Communication Materials, South China University of Technology, Wushan Road 381, Guangzhou 510640 (China)] [State Key Laboratory of Luminescent Materials and Devices, and Institute of Optical Communication Materials, South China University of Technology, Wushan Road 381, Guangzhou 510640 (China)

2014-01-06T23:59:59.000Z

263

ErAs:,,InGaAs...1-x,,InAlAs...x alloy power generator modules Gehong Zeng,a  

E-Print Network [OSTI]

p-type ErAs:InGaAs alloy thermoelectric elements. The thermoelectric properties of the materials power and efficiency of a thermoelectric generator module depend largely on the material. Thermoelectric properties can be improved by introducing nanometer scale structure into materials.2 In this way

Bowers, John

264

Final Report for Grant DE-FG02-91ER40690 for the period 12/1/2010 to 4/30/2014  

SciTech Connect (OSTI)

This is the #12;final report for The Ohio State University high energy physics grant DE-FG02- 91ER40690. The activities of the various Tasks are briefy summarized over the previous grant period. The support from the Department of Energy is greatly appreciated.

Kass, R.; Durkin, L.; Hill, C.; Braaten, E.; Mathur, S.; Raby, S.; Shigemitsu, J.; Gan, K.; Kagan, H.; Hughes, R.; Winer, B.; Honscheid, K.

2014-07-22T23:59:59.000Z

265

FLGESKJEMA FOR SKERE TIL PPU TEACH FIRST NORWAY Dersom du har utdanning som ikke er tatt ved UiO, m du skrive ut dette skjemaet og  

E-Print Network [OSTI]

F?LGESKJEMA FOR S?KERE TIL PPU TEACH FIRST NORWAY Dersom du har utdanning som ikke er tatt ved Ui søke PPU Teach First Norway i Søknadsweb. Ditt navn: Fødselsnr: Jeg har søkt om fagdidaktikk i

Løw, Erik

266

Ion irradiation damage in k-doped silica probed by the Er3+ luminescence lifetime at 1.535 pm4  

E-Print Network [OSTI]

irradiation.' Furthermore, silica-basedop- tical fibers are the standard in telecommunicationtechnol- ogy the effectof MeV ion irradiation damage on the optical propertiesof Er-doped silica films is studied. Erbium-doped silica glasshas recently attracted attention becauseof its use in optical fiber amplifiers.5'6Erbium

Polman, Albert

267

The Lujan Center is a national user facility funded by Basic Energy Sciences of the Department of Energy which o ers capability for basic and applied neutron scattering  

E-Print Network [OSTI]

of Energy which o ers capability for basic and applied neutron scattering relevant to national security are the domain of the low-Q scattering intrument, LQD. These well-established neutron techniques probe long Matter, Local Structure, and Nanomaterials The Lujan Neutron Scattering Center encompasses a set

268

Optical doping of vwaveguide materials by MeV Er implantation A. Polman,a) D. C. Jacobson, D. J. Eaglesham, Ft. C. Kistler, and J. M. Poate  

E-Print Network [OSTI]

ions into micron-thick silica and phosphosilicate glass films and 1200-A-thick S&N4 films is studied materials in this planar technology are silica, phosphosilicate glass, and silicon nitride. The silica- based glasses, depending on annealing treatment and Er concentration. Silicon nitride films show lower

Polman, Albert

269

12me Colloque National AIP PRIMECA Le Mont Dore -29 Mars-1er avril 2011 DE SYSML A MODELICA : AIDE A LA FORMALISATION DE  

E-Print Network [OSTI]

12me Colloque National AIP PRIMECA Le Mont Dore - 29 Mars- 1er avril 2011 1 DE SYSML A MODELICA lequel l'approche de l'ingnierie systme base sur les modles est utilise. SysML et Modelica sont les graphique et visuelle alors que Modelica est un langage textuel destin la simulation des modles. Dans le

Paris-Sud XI, Universit de

270

Butz, T. and von Stryk, O.: Modelling and Simulation of ER and MR Fluid Dampers 1 ZAMM Z. angew. Math. Mech. 78 (1998) 0, 122  

E-Print Network [OSTI]

Butz, T. and von Stryk, O.: Modelling and Simulation of ER and MR Fluid Dampers 1 ZAMM · Z. angew. Math. Mech. 78 (1998) 0, 1­22 Butz, T.; von Stryk, O. Modelling and Simulation of Electro, phenomenological models, numerical simulation, pas- sive suspension MSC (1991): 65C20, 76A05 1 Introduction Electro

Stryk, Oskar von

271

Guided wave absorption and uorescence in epitaxial Er:BaTiO3 on MgO D.M. Gilla,*, G.M. Fordb  

E-Print Network [OSTI]

. Keywords: Er:BaTiO3; Fluorescence; Luminescence 1. Introduction The development of low-cost composite waveguides fabricated in erbium-doped thin-®lm epitaxial BaTiO3. Luminescence transient measurements indicate strategies toward the realization of this type of opto-electronic circuit. Proposed designs of hybrid opto

Ho, Seng-Tiong

272

HI Slides (Ref.'s K-0) Presented to DOE | Department of Energy  

Office of Environmental Management (EM)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "of Energy Power.pdf11-161-LNG | Department of EnergyGeothermalGoingGuidelines forofHCHEFA andHI Slides

273

Ref:Ref:159235Outline08.doc 1 Format for Paper Outlines -2008  

E-Print Network [OSTI]

to design and implement programs for simple 2d and 3d graphics models. The exam tests understanding OF SCIENCES Paper Number & Title: 159.235 Graphical Programming Credits Value: 15 Semester: S2 Campus: Albany Telephone: 9414 0800 (9532 internal) Office: QA 2.53 Email: K.A.Hawick@massey.ac.nz Other Contributing Staff

Hawick, Ken

274

Summary We tested the hypothesis that forest age influ-ences the carbon isotope ratio (13  

E-Print Network [OSTI]

(13 CR), soil respiration (13 CR-soil), bulk needle tissue (13 CP) and soil organic carbon (13 CSOC Washington, USA. Values of 13 CR, 13 CR-soil, 13 CP and 13 CSOC showed consistent enrich- ment similar canopy levels), 13 CSOC (throughout the soil column), 13 CR-soil (during the wet season) and 13 CR

Ehleringer, Jim

275

enced by some combination of changes in the nature of ENSO teleconnections into North  

E-Print Network [OSTI]

. Graham, J. Geophys. Res. 102, 10423 (1997). 4. B. Wang and Y. Wang, J. Clim. 9, 1586 (1996). 5. J. Cole was not obtained. 31. D. J. Thomson, Proc. IEEE 70, 1055 (1982). 32. J. Park, C. R. Lindberg, F. L. Vernon III, J

276

ES/STAT 251: SIGNAL & IMAGE PROCESSING AND INFER-ENCE USING WAVELETS (Fall 2005)  

E-Print Network [OSTI]

to participants' interests. Graduate-level researchers from all science and engineering disciplines are welcome a problem in inference for signal or image processing. Prerequisites Engineering Sciences 156 or equivalent, knowledge of probability theory and/or statistics at the level of Statistics 110/111 or above

Wolfe, Patrick J.

277

Completion Report for Well ER-EC-11 Corrective Action Units 101 and 102: Central and Western Pahute Mesa  

SciTech Connect (OSTI)

Well ER-EC-11 was drilled for the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office, in support of the Nevada Environmental Restoration Project at the Nevada National Security Site (formerly Nevada Test Site), Nye County, Nevada. The well was drilled in September and October 2009 as part of the Pahute Mesa Phase II drilling program. A main objective was to investigate radionuclide migration down-gradient from Well Cluster ER-20-5 and Well ER-20-7 and across the northern Timber Mountain moat structural zone into the area referred to as the Bench, between Pahute Mesa and the Timber Mountain caldera complex. A secondary purpose of the well was to provide detailed hydrogeologic information for the shallow- to intermediate-depth Tertiary volcanic section in the Bench area. This well also provided detailed hydrogeologic information in the Tertiary volcanic section to reduce uncertainties within the Pahute Mesa-Oasis Valley hydrostratigraphic framework model (Bechtel Nevada, 2002). The main 52.1-centimeter hole was drilled to a depth of 507.5 meters and then opened to a diameter of 66.0 centimeters. It was cased with 50.8-centimeter casing to 504.9 meters. The hole diameter was then decreased to 47.0 centimeters, and drilling continued to a total depth of 979.3 meters. It was then cased with 34.0-centimeter casing set at 965.5 meters. The hole diameter was then decreased to 31.1 centimeters and the borehole was drilled to a total depth of 1,264.3 meters. The completion casing string, set to the depth of 1,262.5 meters, consists of 19.4-centimeter stainless-steel casing hanging from 19.4-centimeter carbon-steel casing. The stainless-steel casing has two slotted intervals open to the Tiva Canyon and Topopah Spring aquifers. Four piezometer strings were installed in Well ER-EC-11. A string of carbon-steel 6.0-centimeter tubing with one slotted interval was inserted outside the 50.8-centimeter casing, within the 66.0-centimeter borehole for access to the Timber Mountain aquifer, and landed at 475.3 meters. A second string of 6.0-centimeter tubing with one slotted interval was inserted outside the 34.0-centimeter casing, within the 47.0-centimeter borehole for access to the Benham aquifer, and landed at 911.7 meters. A third piezometer string consists of 7.3-centimeter stainless-steel tubing that hangs from 6.0-centimeter carbon-steel tubing via a crossover sub. This string was landed at 1,029.5 meters to monitor the Tiva Canyon aquifer. The deepest string of 7.3-centimeter tubing was landed at 1,247.8 meters to monitor the Topopah Spring aquifer. Data collected during and shortly after hole construction include composite drill cuttings samples collected every 3.0 meters, 67 percussion gun and rotary sidewall core samples, various geophysical logs, fluid samples (for groundwater chemistry analysis and tritium measurements), and water-level measurements. The well penetrated 1,264.3 meters of Tertiary volcanic rock, including three saturated welded-tuff aquifers and one saturated lava-flow aquifer. A water level was measured in the Timber Mountain aquifer at 449.6 meters, during open-hole geophysical logging on September 20, 2009. The fluid level measured after the total depth was reached and the upper aquifer was cased off was 450.0 meters when measured in the open borehole on October 17, 2009. Measurements on samples taken from the undeveloped well indicated that tritium levels averaging approximately 12,430 picocuries per liter (less than Safe Drinking Water Act levels) were encountered within the Benham aquifer. Tritium was below the minimum detectable activity concentration for samples collected from the Tiva Canyon aquifer and the Topopah Spring aquifer.

NSTec Environmental Management

2010-12-01T23:59:59.000Z

278

Mid-infrared frequency comb spanning an octave based on an Er fiber laser and difference-frequency generation  

E-Print Network [OSTI]

We describe a coherent mid-infrared continuum source with 700 cm-1 usable bandwidth, readily tuned within 600 - 2500 cm-1 (4 - 17 \\mum) and thus covering much of the infrared "fingerprint" molecular vibration region. It is based on nonlinear frequency conversion in GaSe using a compact commercial 100-fs-pulsed Er fiber laser system providing two amplified near-infrared beams, one of them broadened by a nonlinear optical fiber. The resulting collimated mid-infrared continuum beam of 1 mW quasi-cw power represents a coherent infrared frequency comb with zero carrier-envelope phase, containing about 500,000 modes that are exact multiples of the pulse repetition rate of 40 MHz. The beam's diffraction-limited performance enables long-distance spectroscopic probing as well as maximal focusability for classical and ultraresolving near-field microscopies. Applications are foreseen also in studies of transient chemical phenomena even at ultrafast pump-probe scale, and in high-resolution gas spectroscopy for e.g. breath analysis.

Fritz Keilmann; Sergiu Amarie

2012-03-22T23:59:59.000Z

279

Near infrared and upconversion luminescence behaviour of Er{sup 3+}/Yb{sup 3+} codoped boro-tellurite glasses  

SciTech Connect (OSTI)

The broadband NIR and upconversion luminescence behavior in a new series of Er{sup 3+}/Yb{sup 3+} codoped TeO{sub 2}-B{sub 2}O{sub 3}-SrO-BaO-Li{sub 2}O-LiF glasses have been studied exciting at a wavelength of 980 nm using semiconductor laser. A broadband emission is observed from 1450 to 1650 nm with a full width at half maximum (FWHM) around 165 nm in 0.5wt% Yb{sup 3+} ion content E0.5YLTB glass. The radiative parameters such as transition probability (A), stimulated emission cross-section (?{sup E}), experimental and calculated branching ratios (?{sub R}), optical gain width (?{sub p}FWHM) and radiative lifetime (?{sub cal}) have been calculated for the {sup 4}I{sub 13/2}?{sup 4}I{sub 15/2} NIR emission. Upconversion luminescence spectra of the prepared glasses have been studied and the ESA and ET processes have also been discussed and reported.

Maheshvaran, K. [Department of Physics, Gandhigram Rural Institute - Deemed University, Gandhigram - 624302, India and Department of Physics, K.S. Rangasamy College of Technology, Trichengode - 637215 (India); Arunkumar, S., E-mail: mari-ram2000@yahoo.com; Vijayakumar, R., E-mail: mari-ram2000@yahoo.com; Marimuthu, K., E-mail: mari-ram2000@yahoo.com [Department of Physics, Gandhigram Rural Institute ? Deemed University, Gandhigram - 624302 (India)

2014-04-24T23:59:59.000Z

280

Low Lying Magnetic and Electric Dipole Strength Distribution in the Even-Even 164-170Er  

SciTech Connect (OSTI)

Quasiparticle random-phase approximation calculations, where rotational and translational invariance are restored selfconsistently by using separable effective forces, are presented for the ground state dipole response in the even-even 164-170Er isotopes. We consider the 1+ vibrations generated by the isovector spin-spin interactions and the isoscalar and isovector quadrupole type separable forces restoring the broken symmetry by a deformed mean field. It has been shown that restoration of the broken rotational and translational symmetry of the Hamiltonian essentially decrease the B(M1) and the B(E1) values of the low lying 1+ and 1- states and increase the collectivization of the scissors mode and the electric dipole mode excitations in the spectroscopic energy region. The resulting M1 and E1 spectrum are compared with available experimental data. The calculated dipole strengths summed in the energy range 1.8-4 MeV are in agreement with the relevant experimental data. In this nuclei theory predicts many more low-lying 1+ and 1- states than experiment.

Ertugral, F.; Kuliev, A. A. [Sakarya University, Physics Department, Adapazari (Turkey); Guliyev, E. [Institute of Physics, National Academy of Sciences, H.Cavid Avenue 33, Baku (Azerbaijan)

2007-04-23T23:59:59.000Z

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Thermal conductivity of Er{sup +3}:Y{sub 2}O{sub 3} films grown by atomic layer deposition  

SciTech Connect (OSTI)

Cross-plane thermal conductivity of 800, 458, and 110?nm erbium-doped crystalline yttria (Er{sup +3}:Y{sub 2}O{sub 3}) films deposited via atomic layer deposition was measured using the 3? method at room temperature. Thermal conductivity results show 16-fold increase in thermal conductivity from 0.49?W m{sup ?1}K{sup ?1} to 8?W m{sup ?1}K{sup ?1} upon post deposition annealing, partially due to the suppression of the number of the -OH/H{sub 2}O bonds in the films after annealing. Thermal conductivity of the annealed film was ?70% lower than undoped bulk single crystal yttria. The cumulative interface thermal resistivity of substrate-Er{sup +3}:Y{sub 2}O{sub 3}-metal heater was determined to be ?2.5??10{sup ?8} m{sup 2} K/W.

Raeisi Fard, Hafez; Hess, Andrew; Pashayi, Kamyar; Borca-Tasciuc, Theodorian, E-mail: borcat@rpi.edu [Mechanical, Aerospace and Nuclear Engineering Department, Rensselaer Polytechnic Institute, Troy, New York 12180 (United States)] [Mechanical, Aerospace and Nuclear Engineering Department, Rensselaer Polytechnic Institute, Troy, New York 12180 (United States); Becker, Nicholas; Proslier, Thomas; Pellin, Michael [Material Sciences Division, Argonne National Laboratory 9700 S. Cass Avenue, Lemont, Illinois 60439 (United States)] [Material Sciences Division, Argonne National Laboratory 9700 S. Cass Avenue, Lemont, Illinois 60439 (United States)

2013-11-04T23:59:59.000Z

282

Temperature of broadband anti-Stokes white emission in LiYbP{sub 4}O{sub 12}: Er nanocrystals  

SciTech Connect (OSTI)

The up-conversion emission of LiYb{sub 0.99}Er{sub 0.01}P{sub 4}O{sub 12} nanocrystals was investigated in vacuum upon the focused beam of infrared laser excitation. The intense white broad band emission was observed above the threshold power of 800 mW. An increase of excitation power results in enhancement of temperature of emitting nanocrystals. The temperature of nanocrystals was determined following the thermally equilibrated f-f emission transitions of Er{sup 3+} ions. The highest measured temperature of white emission was determined to be about 900?K. It is concluded that the black body radiation is not responsible for the white broad band emission.

Marciniak, L., E-mail: l.marciniak@int.pan.wroc.pl; Strek, W.; Hreniak, D. [Institute of Low Temperature and Structure Research, Polish Academy of Sciences, 50-422 Wroc?aw (Poland); Guyot, Y. [Institute Light Matter (ILM), UMR5306 CNRS-University Lyon1, University of Lyon, 69622 Villeurbanne (France)

2014-10-27T23:59:59.000Z

283

SUPPLEMENTAL FIGURES Fig. S1. The ER inhibitor ICI 182,780, decreases PR-mediated gene expression in T47D  

E-Print Network [OSTI]

but not OHT inhibits E2-ER-dependent growth of MCF7ERHA cells. MCF7ERHA cells were maintained for 4 days in 6x. S5. TPSF does not down-regulate the level of Muc1. MCF-7 cells were maintained and plated on the levels of AR and GR. The cell lines used and cell growth conditions were those employed in the dose

Hergenrother, Paul J.

284

VOLUME 78, NUMBER 22 P HY S I CA L REV I EW L E T T ER S 2 JUNE 1997 Stability Ordering of Cycle Expansions  

E-Print Network [OSTI]

dysL 1 · · · L k d . (1) The sum is over all distinct nonrepeating combinations of prime cyclesVOLUME 78, NUMBER 22 P HY S I CA L REV I EW L E T T ER S 2 JUNE 1997 Stability Ordering of Cycle, Australia (Received 3 December 1996) We propose that cycle expansions be ordered with respect to stability

Dettmann, Carl

285

Emission intensity in the visible and IR spectral ranges from Si-based structures formed by direct bonding with simultaneous doping with erbium (Er) and europium (Eu)  

SciTech Connect (OSTI)

The photo- and electroluminescence spectra of silicon-based structures formed by direct bonding with simultaneous doping with rare-earth metals are studied. It is shown that emission in the visible and IR spectral ranges can be obtained from n-Si:Er/p-Si and n-Si:Eu/p-Si structures fabricated by the method suggested in the study. The results obtained make this method promising for the fabrication of optoelectronic devices.

Mezdrogina, M. M., E-mail: margaret.m@mail.ioffe.ru; Kostina, L. S.; Beliakova, E. I.; Kuzmin, R. V. [Russian Academy of Sciences, Ioffe Physical-Technical Institute (Russian Federation)] [Russian Academy of Sciences, Ioffe Physical-Technical Institute (Russian Federation)

2013-09-15T23:59:59.000Z

286

Energy transfer characteristics of silicate glass doped with Er{sup 3+}, Tm{sup 3+}, and Ho{sup 3+} for ?2 ?m emission  

SciTech Connect (OSTI)

A Er{sup 3+}/Tm{sup 3+}/Ho{sup 3+} tri-doped silicate glass with good thermal stability is prepared by melt-quenching method. Efficient ?2 ?m emission is observed under 808 nm laser excitation. It is found that the 2.0 ?m emission of Ho{sup 3+} can be enhanced under the excitation at 808 nm by incorporating Er{sup 3+} and Tm{sup 3+}. Based on the measurement of absorption spectra, the JuddOfelt intensity parameters, radiation emission probability, and branching ratio are calculated to evaluate the spectroscopic properties simultaneously. The maximum value of emission cross section of Ho{sup 3+} is 3.54 10{sup ?21} cm{sup 2} at 2008 nm. Additionally, the phonon assistance and the micro-parameters in the energy transfer process are quantitatively analyzed by using Dexter model. The energy transfer coefficient from Tm{sup 3+} to Ho{sup 3+} can reach as high as 21.44 10{sup ?40} cm{sup 6}/s, respectively. The emission property together with good thermal property indicates that Er{sup 3+}/Tm{sup 3+}/Ho{sup 3+} tri-doped silicate glass is a potential kind of laser glass for efficient 2 ?m laser.

Li, Ming; Liu, Xueqiang [Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 (China) [Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 (China); Graduate School of Chinese Academy of Sciences, Beijing 100039 (China); Guo, Yanyan [College of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022 (China)] [College of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022 (China); Hu, Lili [Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 (China)] [Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 (China); Zhang, Junjie [College of Materials Science and Engineering, China Jiliang University, Hangzhou 310 018 (China)] [College of Materials Science and Engineering, China Jiliang University, Hangzhou 310 018 (China)

2013-12-28T23:59:59.000Z

287

DOE/ER-0442  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phases onOrganizationElectronic Reading2Q)382 THE HUMAN GENOME2 Executive

288

DJS CLAIM ER  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phases onOrganization FY Middle SchoolARM-TR-01468This4t c 5 "NEUTR

289

Analysis of FY 2005/2006 Hydrologic Testing and Sampling Results for Well ER-12-4, Nevada Test Site, Nye County, Nevada, Rev. No.: 0  

SciTech Connect (OSTI)

This report documents the analysis of data collected for ER-12-4 during the fiscal year (FY) 2005 Rainier Mesa/Shoshone Mountain well development and hydraulic testing program (herein referred to as the ''testing program'') and hydraulic response data from the FY 2006 Sampling Program. Well ER-12-4 was constructed and tested as a part of the Corrective Action Unit (CAU) 99, Rainier Mesa/Shoshone Mountain, Phase I drilling program during FY 2005. These activities were conducted on behalf of the U.S. Department of Energy (DOE), National Nuclear Security Administration Nevada Site Office (NNSA/NSO) for the Underground Test Area (UGTA) Subproject. As shown on Figure 1-1, ER-12-4 is located in central Rainier Mesa, in Area 12 of the Nevada Test Site (NTS). Figure 1-2 shows the well location in relation to the tunnels under Rainier Mesa. The well was drilled to a total depth (TD) of 3,715 feet (ft) below ground surface (bgs) (surface elevation 6,883.7 ft above mean sea level [amsl]) in the area of several tunnels mined into Rainier Mesa that were used historically for nuclear testing (NNSA/NSO, 2006). The closest nuclear test to the well location was MIGHTY OAK (U-12t.08), conducted in the U-12t Tunnel approximately 475 ft north of the well site. The MIGHTY OAK test working point elevation was located at approximately 5,620 ft amsl. The MIGHTY OAK test had an announced yield of ''less than 20 kilotons'' (DOE/NV, 2000). The purpose of this hydrogeologic investigation well is to evaluate the deep Tertiary volcanic section below the tunnel level, which is above the regional water table, and to provide information on the section of the lower carbonate aquifer - thrust plate (LCA3), located below the Tertiary volcanic section (SNJV, 2005b). Details on the drilling and completion program are presented in the ''Completion Report for Well ER-12-4 Corrective Action Unit 99: Rainier Mesa-Shoshone Mountain'' (NNSA/NSO, 2006). Participants in ER-12-4 testing activities were: Stoller-Navarro Joint Venture (SNJV), Bechtel Nevada (BN), Desert Research Institute (DRI), Los Alamos National Laboratory (LANL), Lawrence Livermore National Laboratory (LLNL), and the U.S. Geological Survey (USGS). Stoller-Navarro Joint Venture served as the lead contractor responsible for providing site supervision, development and testing services, and waste management services; BN provided construction and engineering support services; DRI provided well logging services and participated in groundwater sampling and laboratory analyses; LANL and LLNL participated in groundwater sampling and laboratory analyses; and the USGS performed laboratory analyses. Analyses of data from the ER-12-4 testing program presented in this document were performed by SNJV except as noted. These same contractors participated in the FY 2006 Sampling Program.

Bill Fryer

2006-09-01T23:59:59.000Z

290

Frequency upconversion in Er{sup 3+} doped Y{sub 2}O{sub 3} nanophosphor:Yb{sup 3+} sensitization and tailoring effect of Li{sup +} ion  

SciTech Connect (OSTI)

Graphical abstract: - Highlights: Dual mode luminescence behavior of Er{sup 3+} in oxide phosphor. Sensitization through Yb{sup 3+} codoping, and tailoring effect of lithium ion. Phosphors for lighting and display applications. - Abstract: Er{sup 3+} doped Y{sub 2}O{sub 3} nanophosphor has been synthesized using solution combustion technique and further characterized for structure and optical properties. Optical properties of Er{sup 3+} ion have been studied both through frequency upconversion (UC) as well as through fluorescence (excitation, emission, and CIE co-ordinate analysis) processes. Further to enhance the UC emission of Er{sup 3+} ions, a two step process has been used. In the first step, Yb{sup 3+} ion has been co-doped, which acts as the sensitizer for Er{sup 3+} through energy transfer process. In the second step, different concentrations of Li{sup +} ions have been co-doped in the Er{sup 3+}/Yb{sup 3+}:Y{sub 2}O{sub 3} system. Fourier transform infrared analysis, and X-ray diffraction (XRD) followed by Le-Bail refinement of the XRD data reveal that the co-doping of Li{sup +} ion decreases unit cell parameter, increases the particle size, and removes the quenching centers (like OH, NO{sub x}, etc.), which all together causes a significant enhancement in UC emission. Optimum UC luminescence is attained for 5 mol% Li{sup +} doping concentration beyond which a quenching in UC emission is observed. This combined approach, i.e. Yb{sup 3+} sensitization and Li{sup +} ion tailoring simultaneously enhances the UC emission intensity of Er{sup 3+} several times in yttria matrix effectively. The strategy can be generalized in other hosts also which could help in the development of efficient photonic materials for lighting and display devices.

Mishra, K. [Laser and Spectroscopy Laboratory, Department of Physics, Banaras Hindu University, Varanasi 221005 (India); Singh, S.K., E-mail: sunilcfsl@gmail.com [Department of Physics, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005 (India); Singh, A.K. [School of Materials Science and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005 (India); Rai, S.B., E-mail: sbrai49@yahoo.co.in [Laser and Spectroscopy Laboratory, Department of Physics, Banaras Hindu University, Varanasi 221005 (India)

2013-10-15T23:59:59.000Z

291

Solution Processed MoS2-PVA Composite for Sub-Bandgap Mode-Locking of a Wideband Tunable Ultrafast Er:Fiber Laser  

E-Print Network [OSTI]

with stable, picosecond pulses, tunable from 1535 nm to 1565 nm 2 Solution Processed MoS2-PVA Composite for Sub-Bandgap Mode-Locking of a Wideband Tunable Ultrafast Er:Fiber Laser Meng Zhang1, Richard C. T. Howe2, Robert I. Woodward1... ! to! relaxation! of! thermalized! electron! and!phonon! distribution! [3].! This! combination! of!properties!makes!MoS2!a!suitable!saturable!absorber!(SA)! for! ultrafast! mode+locked! pulsed! lasers,! with!the! potential! for! pulse! generation! at...

Zhang, Meng; Howe, Richard C. T.; Woodward, Robert I.; Kelleher, Edmund J. R.; Torrisi, Felice; Hu, Guohua; Popov, Sergei V.; Taylor, J. Roy; Hasan, Tawfique

2014-11-11T23:59:59.000Z

292

Identification of LAMBDA-like systems in Er{sup 3+}:Y{sub 2}SiO{sub 5} and observation of electromagnetically induced transparency  

SciTech Connect (OSTI)

Electromagnetically induced transparency (EIT) is reported in a solid-state material doped with erbium ions. In this paper we introduce the spectroscopic investigations we have conducted in order to identify the adequate LAMBDA-like three-level systems in Er{sup 3+}:Y{sub 2}SiO{sub 5} crystal, relevant for the demonstration of EIT. These results pave the way for nonlinear and quantum optics applications based on EIT at the telecom wavelength around 1.5 mum.

Baldit, E.; Bencheikh, K.; Monnier, P.; Briaudeau, S.; Levenson, J. A.; Crozatier, V.; Lorgere, I.; Bretenaker, F.; Le Goueet, J. L.; Guillot-Noeel, O.; Goldner, Ph. [Laboratoire de Photonique et de Nanstructures, CNRS-UPR 20, 91460 Marcoussis (France); Laboratoire Aime Cotton, CNRS-UPR 3321, University Paris-Sud, Bat. 505, 91405 Orsay Cedex (France); Laboratoire de Chimie de la Matiere Condensee de Paris, CNRS-UMR 7574, ENSCP, 11 rue Pierre et Marie Curie, 75231 Paris Cedex 05 (France)

2010-04-01T23:59:59.000Z

293

Analysis of nanostructure and nanochemistry by ASAXS: Accessing phase composition of oxyfluoride glass ceramics doped with Er{sup 3+}/Yb{sup 3+}  

SciTech Connect (OSTI)

Here, we describe the analysis of the nanostructure and average chemical compositions of each phase present in an oxyfluoride glass ceramic, which is composed of fluoride nanocrystals and an oxide glass matrix. The overall composition of the oxyfluoride glass ceramic as prepared is 21.1%SiO{sub 2} 6.5%B{sub 2}O{sub 3} 7.0%Al{sub 2}O{sub 3} 21.0%PbF{sub 2} 14.3%CdF{sub 2} 11.0%YbF{sub 3} 0.5%ErF{sub 3} 11.0%PbO 7.6%CdO(mole %). Nanocrystals begin to grow at temperatures above the glass transformation temperature at 678 K as observed by x-ray diffraction. We report results from anomalous small-angle x-ray scattering taken at energies of x-ray absorption edges of Er, Yb, Pb, and Cd. By nonlinear regression of the scattering curves obtained from different edges simultaneously, the nanocrystals were found to be describable as polydisperse spheroids. The length of the smaller axis was found to be 6.4+-1.4 nm while the larger axis was found to be 17.7+-3.9 nm. By analyzing the scattering contrast as a function of the x-ray energy we found cadmium only in the glass matrix.

Haas, Sylvio; Hoell, Armin; Wurth, Roman; Ruessel, Christian; Boesecke, Peter; Vainio, Ulla [Institute of Applied Materials, Helmholtz-Zentrum Berlin fuer Materialien und Energie, Albert-Einstein-Strasse 15, D-12489 Berlin (Germany); Otto-Schott-Institut fuer Glaschemie, Friedrich-Schiller-Universitaet Jena, Fraunhoferstrasse 6, D-07743 Jena (Germany); European Synchrotron Radiation Facility (ESRF), 6 Rue Jules Horowitz, BP 220, 38043 Grenoble Cedex 9 (France); HASYLAB at DESY, Notkestrasse 85, D-22607 Hamburg (Germany)

2010-05-01T23:59:59.000Z

294

Er{sup 3+}-doped strontium lithium bismuth borate glasses for broadband 1.5 {mu}m emission - optical properties  

SciTech Connect (OSTI)

Strontium lithium bismuth borate glasses (SLBiB) doped with various concentrations of Er{sup 3+} were prepared using conventional melt quench technique and investigated their optical properties. The amorphous nature of the prepared glass samples was confirmed by X-ray diffraction and SEM analysis. Optical properties were studied by measuring the optical absorption and near infrared luminescence spectra at room temperature. Judd-Ofelt (J-O) theory has been applied for the f.f transitions of Er{sup 3+} ions to evaluate J-O intensity parameters, {Omega}{lambda} ({lambda} = 2, 4 and 6). Using the J-O intensity parameters, radiative properties such as transition probabilities (A{sub R}), branching ratios ({beta}) and radiative lifetimes ({tau}) are estimated for certain transitions. From the emission spectra, peak emission-cross sections ({sigma}{sub p}) and products of stimulated emission cross-section and full width at half maximum ({sigma}{sub p} Multiplication-Sign FWHM) were calculated for the observed emission transition, {sup 4}I{sub 13/2}{yields}{sup 4}I{sub 15/2}.

Rajesh, D.; Balakrishna, A.; Ratnakaram, Y. C. [Department of Physics, Sri Venkateswara University, Tirupati-517502 (India)

2013-02-05T23:59:59.000Z

295

Synthesis of solid solution Er{sub 2-x}Ce{sub x}W{sub 3}O{sub 12} and studies of their thermal expansion behavior.  

SciTech Connect (OSTI)

The syntheses and structures of Er{sub 2-x}Ce{sub x}W{sub 3}O{sub 12} were studied. It was found that pure phases could form only for 0.0 {le} x {le} 0.4 and 1.5 {le} x {le} 2.0. Compounds with 0 {le} x {le} 0.4 have the hydrated orthorhombic structure at room temperature and transform to unhydrated orthorhombic one above 135 C whereas samples with 1.5 {le} x {le} 2.0 crystallize in monoclinic structure. Thermal expansion properties of Er{sub 2-x}Ce{sub x}W{sub 3}O{sub 12} were studied with high temperature X-ray powder diffraction. Samples with 0 {le} x {le} 0.4 exhibit negative thermal expansion in temperature range of 200-800 C and higher cerium content leads to more negative thermal expansion coefficient. However, compounds with 1.5 {le} x {le} 2.0 show positive thermal expansion owing to the edge-sharing polyhedra.

Wu, M. M.; Cheng, Y. Z.; Peng, J.; Xiao, X. L.; Chen, D. F.; Kiyanagi, R.; Fieramosca, J. S.; Short, S.; Jorgensen, J.; Hu, Z. B.; Graduate Univ. Chinese Academy of Sciences; China Inst. of Atomic Energy

2007-01-30T23:59:59.000Z

296

Temperature dependence of Er{sup 3+} ionoluminescence and photoluminescence in Gd{sub 2}O{sub 3}:Bi nanopowder  

SciTech Connect (OSTI)

Ionoluminescence (IL) and photoluminescence (PL) of trivalent erbium ions (Er{sup 3+}) in Gd{sub 2}O{sub 3} nanopowder host activated with Bi{sup 3+} ions has been studied in order to establish the link between changes in luminescent spectra and temperature of the sample material. IL measurements have been performed with H{sub 2}{sup +} 100 keV ion beam bombarding the target material for a few seconds, while PL spectra have been collected for temperatures ranging from 20?C to 700?C. The PL data was used as a reference in determining the temperature corresponding to IL spectra. The collected data enabled the definition of empirical formula based on the Boltzmann distribution, which allows the temperature to be determined with a maximum sensitivity of 9.7 10{sup ?3}?C{sup ?1}. The analysis of the Er{sup 3+} energy level structure in terms of tendency of the system to stay in thermal equilibrium, explained different behaviors of the line intensities. This work led to the conclusion that temperature changes during ion excitation can be easily defined with separately collected PL spectra. The final result, which is empirical formula describing dependence of fluorescence intensity ratio on temperature, raises the idea of an application of method in temperature control, during processes like ion implantation and some nuclear applications.

Boruc, Zuzanna, E-mail: z.boruc@stud.elka.pw.edu.pl; Fetli?ski, Bartosz; Kaczkan, Marcin; Malinowski, Micha? [Institute of Microelectronics and Optoelectronics, Warsaw University of Technology, ul. Koszykowa 75, 00-662 Warsaw (Poland); Gawlik, Grzegorz [Institute of Electronic Materials Technology, ul. Wolczynska 133, 01-919 Warsaw (Poland)

2014-06-15T23:59:59.000Z

297

Final Technical Report for DOE DE-FG02-05ER54831 "Laboratory Studies of Dynamos."  

SciTech Connect (OSTI)

Laboratory Studies of Dynamos: Executive Summary. The self-generation of magnetic #12;fields by astrophysical bodies like planets, stars, accretion disks, galaxies, and even galaxy clusters arises due to a mechanism referred to as a homogeneous dynamo. It is quite simple to demonstrate the generation of a magnetic fi#12;eld from a rotating copper disk coupled with a coil of wire, a device known as the homopolar dynamo. The device works like a magnetic fi#12;eld ampli#12;er with a feedback circuit: the differential rotation of a metal disk past an infinitesimally small seed magnetic field induces currents in the disk which, when coupled to a coil winding, can amplify the #12;field until it becomes strong enough to slow the rotation of the disk. What is remarkable is that the same type of circuit may be achieved in a flowing conducting fluid such as a liquid metal in the case of planetary dynamos or a plasma in the case of astrophysical dynamos. The complexity of describing planetary and stellar dynamos despite their ubiquity and the plethora of observational data from the Earth and the Sun motivates the demonstration of a laboratory homogenous dynamo. To create a homogenous dynamo, one #12;first needs a su#14;fficiently large, fast flow of a highly conducting fluid that the velocity shear in the fluid can bend magnetic #12;field lines. With a high Rm-flow, the magnetic fi#12;eld can be ampli#12;ed by the stretching action provided by di#11;fferential rotation. The other critical ingredient is a flow geometry that provides feedback so that the ampli#12;ed #12;eld reinforces the initial in#12;nitesimal seed #12;field - a mechanism that recreates the feedback provided by the coil of wire in the homopolar dynamo. In the Madison Dynamo Experiment, this combination of magnetic ampli#12;cation and feedback is feasible in the simple geometry of two counter-rotating helical vortices in a 1 meter-diameter spherical vessel #12;lled with liquid sodium. For an optimal helical pitch of the flow the threshold for exciting a dynamo is predicted from laminar flow modeling to be at peak flow speeds of 5 m/s. Liquid metals tend to have viscosities similar to that of water yielding inviscid flows. Whereas the timescale for the dynamo instability is on the resistive dissipation time, the timescale for hydrodynamic instability of the shear layer is quite short meaning that the shear layer required to generate the magnetic #12;eld is broken up by Kelvin-Helmholtz instabilities. The eddies generated by large-scale flow drive instabilities at progressively smaller scale giving rise to a cascade of turbulent eddies driven at the largest scale of the experiment. The major contribution of the Madison Dynamo Experiment has been quantifying the role this turbulence plays in the generation of magnetic #12;elds. Overall, the Madison Dynamo Experiment has now operated for about 1 decade and carried out experiments related to magnetic fi#12;eld generation by turbulent flows of liquid metal. The principle thrust of research and indeed the main scienti#12;fic outcomes are related to how turbulent flows create and transport magnetic fi#12;elds.

Forest, Cary B. [UW-Madison

2014-11-06T23:59:59.000Z

298

Effect of Mn doping on structural and magnetic susceptibility of C-type rare earth nano oxides Er{sub 2?x}Mn{sub x}O{sub 3}  

SciTech Connect (OSTI)

Graphical abstract: Display Omitted Highlights: ? Er{sub 2?x}Mn{sub x}O{sub 3} (0.0 ? x ? 0.20) prepared by solgel method. ? The change in lattice parameter is not linear with x due to the change in crystallite size with doping. ? Anomalous concentration dependence is found in magnetic susceptibility. ? The effective magnetic moment ?{sub eff} is found to decrease with composition parameter x. ? Superexchange interactions between Er ions depending on the amount of Mn or Er in different sites. -- Abstract: The manganese doped rare earth oxides Er{sub 2?x}Mn{sub x} O{sub 3} (0.0 ? x ? 0.20) were synthesized by a solgel process and analyzed by X-ray diffraction using Rietveld refinement methods. A single phase solid solution is formed up to x = 0.15 while for x ? 0.2 a manganese oxide phase appears in the diffraction pattern. Preferential cationic distribution between the non-equivalent sites 8b and 24d of space group Ia3{sup } is found for all samples but to a different extent. The octahedral volume and average bond length of Er{sub 1}-O for 8b site decrease while both octahedral volume and bond length of Er{sub 2}-O for 24d site increase. Magnetization measurements were done in the temperature range 5300 K. The effective magnetic moment ?{sub eff} is found to decrease with composition parameter x, except for sample x = 0.05 where the magnetization is enhanced. The Curie-Weiss paramagnetic temperatures indicate antiferromagnetic interaction.

Heiba, Zein K. [Ain Shams University, Faculty of Science, Physics Department, Cairo (Egypt) [Ain Shams University, Faculty of Science, Physics Department, Cairo (Egypt); Taif University, Faculty of Science, Physics Department (Saudi Arabia); Mohamed, Mohamed Bakr, E-mail: mbm1977@yahoo.com [Ain Shams University, Faculty of Science, Physics Department, Cairo (Egypt); Fuess, H. [Materials Science, Darmstadt University of Technology, D-64289 Darmstadt (Germany)] [Materials Science, Darmstadt University of Technology, D-64289 Darmstadt (Germany)

2012-12-15T23:59:59.000Z

299

Wideband saturable absorption in few-layer molybdenum diselenide (MoSe2) for Q-switching Yb-, Er- and Tm-doped fiber lasers  

E-Print Network [OSTI]

We fabricate a free-standing molybdenum diselenide (MoSe2) saturable absorber by embedding liquid-phase exfoliated few-layer MoSe2 flakes into a polymer film. The MoSe2-polymer composite is used to Q-switch fiber lasers based on ytterbium (Yb), erbium (Er) and thulium (Tm) gain fiber, producing trains of microsecond-duration pulses with kilohertz repetition rates at 1060 nm, 1566 nm and 1924 nm, respectively. Such operating wavelengths correspond to sub-bandgap saturable absorption in MoSe2, which is explained in the context of edge-states, building upon studies of other semiconducting transition metal dichalcogenide (TMD)-based saturable absorbers. Our work adds few-layer MoSe2 to the growing catalog of TMDs with remarkable optical properties, which offer new opportunities for photonic devices.

Woodward, R I; Runcorn, T H; Hu, G; Torrisi, F; Kelleher, E J R; Hasan, T

2015-01-01T23:59:59.000Z

300

Analysis of In situ Observations of Cloud Microphysics from M-PACE Final Report, DOE Grant Agreement No. DE-FG02-06ER64168  

SciTech Connect (OSTI)

This report summarizes the findings and accomplishments of work performed under DOE Grant Agreement No. DE-FG02-06ER64168. The focus of the work was the analysis of in situ observations collected by the University of North Dakota Citation research aircraft during the Mixed-Phase Arctic Cloud Experiment (M-PACE). This project was conducted in 2004 along the North Slope of Alaska. The objectives of the research were: to characterize certain microphysical properties of clouds sampled during M-PACE, including spatial variability, precipitation formation, ice multiplication; to examine instrument performance and certain data processing algorithms; and to collaborate with other M-PACE investigators on case study analyses. A summary of the findings of the first two objectives is given here in parts 1 and 2; full results are contained in reports listed in part 3 of this report. The collaborative efforts are described in the publications listed in part 3.

Michael R. Poellot

2009-01-09T23:59:59.000Z

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301

Synthesis and characterization of ultrafine Ln{sub 2}Ti{sub 2}O{sub 7} (Ln = Sm, Gd, Dy, Er) pyrochlore oxides by stearic acid method  

SciTech Connect (OSTI)

Stearic acid method (SAM) was developed to synthesize series of pyrochlore Ln{sub 2}Ti{sub 2}O{sub 7} (Ln = Sm, Gd, Dy, Er) nanocrystals. The synthesis process was monitored by X-ray diffraction, Thermal-gravimetric-differential thermal analysis and Fourier Transform InfraRed methods. Comparing with traditional solid-state reaction (SSR), Ln{sub 2}Ti{sub 2}O{sub 7} can be synthesized at relatively low temperature (700-800 deg. C) with shortened reaction time (2-4 h). The average particle size of Ln{sub 2}Ti{sub 2}O{sub 7} was greatly reduced (ca. 40 nm) and the BET surface area was increased (ca. 12 m{sup 2}/g) by using SAM. From the X-ray diffraction patterns, we found that Ln has an effect on the crystal structure of Ln{sub 2}Ti{sub 2}O{sub 7}, every lattice peak shifted to larger angle slightly with the increasing atomic number of Ln. Also, the lattice constant of Ln{sub 2}Ti{sub 2}O{sub 7} was calculated by Jade.5 and found it decreased along with the decrease of ionic radius of Ln{sup 3+}. The morphology of obtained Ln{sub 2}Ti{sub 2}O{sub 7} was determined by transmission electron microscopy technique. Results showed that the obtained Ln{sub 2}Ti{sub 2}O{sub 7} were all square-like and the interplanar distance of Ln{sub 2}Ti{sub 2}O{sub 7} (Ln = Sm, Gd, Dy, Er) according to (111) plane was 0.65, 0.64, 0.63, and 0.62 nm respectively, which was measured from High Resolution Transmission Electron Microscopy images. Possible reason for this phenomenon was presented.

Zhang Weiguang, E-mail: zhangweiguang68@yahoo.com.cn [Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, Huaiyin Normal University, Jiangsu Province, 223300 (China); Zhang Lili; Zhong Hui [Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, Huaiyin Normal University, Jiangsu Province, 223300 (China); Lu Lude; Yang Xujie [Materials Chemistry Laboratory, Nanjing University of Science and Technology, Nanjing 210094 (China); Wang Xin, E-mail: wangx@mail.njust.edu.cn [Materials Chemistry Laboratory, Nanjing University of Science and Technology, Nanjing 210094 (China)

2010-02-15T23:59:59.000Z

302

Experimental cross sections of 165Ho(?,n)168Tm and 166Er(?,n)169Yb for optical potential studies relevant for the astrophysical ?-process  

E-Print Network [OSTI]

Background: Optical potentials are crucial ingredients for the prediction of nuclear reaction rates needed in simulations of the astrophysical \\gamma-process. Associated uncertainties are particularly large for reactions involving \\alpha-particles. This includes (\\gamma,\\alpha) reactions which are of special importance in the \\gamma-process. Purpose: The measurement of (\\alpha,n) reactions allows for an optimization of currently used \\alpha-nucleus potentials. The reactions 165Ho(\\alpha,n) and 166Er(\\alpha,n) probe the optical model in a mass region where \\gamma-process calculations exhibit an underproduction of p nuclei which is not yet understood. Method: To investigate the energy-dependent cross sections of the reactions 165Ho(\\alpha,n) and 166Er(\\alpha,n) close to the reaction threshold, self-supporting metallic foils were irradiated with \\alpha-particles using the FN tandem Van de Graaff accelerator at University of Notre Dame. The induced activity was determined afterwards by monitoring the specific \\beta-decay channels. Results: Hauser-Feshbach predictions with a widely used global \\alpha-potential describe the data well at energies where the cross sections are almost exclusively sensitive to the \\alpha-widths. Increasing discrepancies appear towards the reaction threshold at lower energy. Conclusions: The tested global \\alpha-potential is suitable at energies above 14 MeV, while a modification seems necessary close to the reaction threshold. Since the \\gamma- and neutron width show non-negligible impact on the predictions, complementary data are required to judge whether or not the discrepancies found can to be solely assigned to the \\alpha-width.

Jan Glorius; Kerstin Sonnabend; Joachim Goerres; Daniel Robertson; Michael Knoerzer; Antonios Kontos; Thomas Rauscher; Ren Reifarth; Anne Sauerwein; Edward Stech; Wanpeng Tan; Tanija Thomas; Michael Wiescher

2014-07-07T23:59:59.000Z

303

Enhanced 2.7 ?m emission from Er{sup 3+} doped oxyfluoride tellurite glasses for a diode-pump mid-infrared laser  

SciTech Connect (OSTI)

The influence of fluoride and shielding gas (O{sub 2} or Ar) on the physical and spectroscopic properties of Er{sup 3+} doped TeO{sub 2}-ZnO-ZnF{sub 2} glass system is investigated. The larger electronegativity of F than O accounts for the gradual decrease of refractive index, density, and J-O parameters with increasing ZnF{sub 2}. An analysis on Fourier transform infrared transmission spectra reveals that the absorption coefficient of OH{sup ?} around 3 ?m as low as 0.247 cm{sup ?1} can be achieved when 30 mol% ZnF{sub 2} containing sample is treated with Ar gas during glass melting process. The reduction of OH{sup ?} groups combined with the low multiphonon relaxation rate (207 s{sup ?1}) contributes to the enhanced emissions at 1.5 and 2.7 ?m, along with prolonged lifetimes of {sup 4}I{sub 11/2} and {sup 4}I{sub 13/2} levels. A high branching ratio (17.95%) corresponding to the Er{sup 3+}: {sup 4}I{sub 11/2} ? {sup 4}I{sub 13/2} transition, the large absorption and emission cross section (0.44 10{sup ?20} cm{sup 2} and 0.45 10{sup ?20} cm{sup 2}), and good gain cross section demonstrate that oxyfluoride tellurite glass could be a promising material for a diode-pump 2.7 ?m fiber laser.

Zhang, F. F.; Yuan, J.; Chen, D. D.; Qian, Q.; Zhang, Q. Y., E-mail: qyzhang@scut.edu.cn [State Key Laboratory of Luminescence Materials and Devices, and Institute of Optical Communication Materials, South China University of Technology, Guangzhou 510641 (China); Zhang, W. J. [Shandong Provincial Key Laboratory of Preparation and Measurement of Building Materials, University of Jinan, Jinan 250022 (China)] [Shandong Provincial Key Laboratory of Preparation and Measurement of Building Materials, University of Jinan, Jinan 250022 (China)

2014-04-15T23:59:59.000Z

304

Apport de l'imagerie radar SAR-ERS l'analyse de la gomtrie de la dformation rcente dans les monts Bni Snassen (Maroc) PANGEA No. 45/46 Hassan Tabyaoui et al. June / December 2009  

E-Print Network [OSTI]

monts Béni Snassen (Maroc) PANGEA No. 45/46 Hassan Tabyaoui et al. June / December 2009 18 Apport de l (Maroc nord-oriental) Contribution of the imagery radar SAR-ERS to the analysis of the geometry Modélisation, Equipe Risques Naturels, Aménagement des Territoires et Environnement, BP 1223, Taza-Gare, Maroc

Boyer, Edmond

305

Magnetic properties and magnetocaloric effect in the RCu{sub 2}Si{sub 2} and RCu{sub 2}Ge{sub 2} (R?=?Ho, Er) compounds  

SciTech Connect (OSTI)

The magnetic properties and magnetocaloric effect (MCE) in RCu{sub 2}Si{sub 2} and RCu{sub 2}Ge{sub 2} (R?=?Ho, Er) compounds have been investigated. All these compounds possess an antiferromagnetic (AFM)-paramagnetic (PM) transition around their respective Neel temperatures. The RCu{sub 2}Si{sub 2} compounds undergo spin-glassy behavior above Neel temperature. Furthermore, a field-induced metamagnetic transition from AFM to ferromagnetic (FM) states is observed in these compounds. The calculated magnetic entropy changes show that all RCu{sub 2}Si{sub 2} and RCu{sub 2}Ge{sub 2} (R?=?Ho, Er) compounds, especially, ErCu{sub 2}Si{sub 2} exhibits large MCEs with no thermal hysteresis and magnetic hysteresis loss. The value of ??S{sub M}{sup max} reaches 22.8?J/Kg K for magnetic field changes from 0 to 5?T. In particular, for field changes of 1 and 2?T, the giant reversible magnetic entropy changes ??S{sub M}{sup max} are 8.3 and 15.8?J/kg K at 2.5?K, which is lower than the boiling point of helium. The low-field giant magnetic entropy change, together with ignorable thermal hysteresis and field hysteresis loss of ErCu{sub 2}Si{sub 2} compound is expected to have effective applications in low temperature magnetic refrigeration.

Mo, Zhao-Jun [School of Material Science and Engineering, Hebei University of Technology, Tianjin (China); Key laboratory of cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing (China); Shen, Jun, E-mail: jshen@mail.ipc.ac.cn, E-mail: tangcc@hebut.edu.cn; Wu, Jian-Feng [Key laboratory of cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing (China); Yan, Li-Qin; Wang, Li-Chen; Sun, Ji-rong; Shen, Bao-Gen [State Key Laboratory of Magnetism, Beijing National Laboratory for Condensed Matter, Physics and Institute of Physics, Chinese Academy of Sciences, Beijing (China); Gao, Xin-Qiang; Tang, Cheng-Chun, E-mail: jshen@mail.ipc.ac.cn, E-mail: tangcc@hebut.edu.cn [School of Material Science and Engineering, Hebei University of Technology, Tianjin (China)

2014-02-21T23:59:59.000Z

306

Ref. No. FU4301 Prepd. KIN Edition 1 Checked MNSJ  

E-Print Network [OSTI]

high above the water surface, so even the highest waves cannot reach the structure. 1.1 The principle Calculate the average power produced by a single float of diameter 10 meter in a regular 2 meter heigh wave with experimental results in regular waves. In theory the power produced in regular waves of a certain wave period

307

Joint Research Office SOP Ref No: JRO/SOP/026  

E-Print Network [OSTI]

7 5. Appendices 5.1 Example Study Delegation Log 5.2 Example Drug Accountability Form 5.3 Example Drug Destruction Log 5.4 Annex 13 labelling requirements for CTIMPs Page 8 Page 8 Page 9 Page 10 Page in the manufacture, or packaging of IMPs. This will be the responsibility of the pharmaceutical company involved

308

Job 4459300 Ref.No. Prepd. CHP/GEA  

E-Print Network [OSTI]

Auditing of Buildings and Inspection of Boilers and Air- conditioning Systems Final report Institutional in large buildings 5 2.2 Article 8, Inspection of boilers 6 2.3 Article 9, Inspection of air-conditioning, responsibility for buildings, boilers and air-con systems in Latvia is divided as illustrated below

309

Elsam Engineering A/S Our ref. HHA/AWK  

E-Print Network [OSTI]

....................................................................................................................................7 5.1 Energy production

310

EIN No. 52-2109532 Ref: Online/USA  

E-Print Network [OSTI]

email: j.w.mccormick@qub.ac.uk Astrophysics Cyber Security Food Security Green Chemistry Humanities that are earmarked or required to be distributed to Queen's University Belfast or any other organization. While we

Paxton, Anthony T.

311

Honoraria SOP Ref: NAVPGSCOLINST 7200.1L  

E-Print Network [OSTI]

through a technical service contract. A technical service contract should also be used if a department

312

hep-th/0102044 REF. TUW 01-01  

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by The Danish Research Agency. 3 popp@hep.itp.tuwien.ac.at, work supported in part by \\Fonds zur Forderung der algebra-valued #12;elds, which leads to in#12;nitely many degrees of freedom [3]. The solution if a power-counting non-renormalizable theory involving in#12;nitely many interactions at arbitrary order

Wulkenhaar, Raimar

313

REF. TUW 02-11 hep-th/0205153  

E-Print Network [OSTI]

by loop calculations. 1 jesper@hep.itp.tuwien.ac.at, work supported by The Danish Research Agency. 2-point functions rather than removing them from the theory. The only solution to the problem of quantising non paid is however very high: #18;-expanded theories are truly power-counting non

Wulkenhaar, Raimar

314

Joint Research Office SOP Ref No: JRO/SOP/027  

E-Print Network [OSTI]

College of Science, Technology and Medicine 1. PURPOSE The purpose of this Standard Operating Procedure as Sponsor of a clinical trial and as such, will not be an exhaustive operating procedure on all aspects Maintenance SOP Reference: JRO/SOP/027 Version Number: Final 3.0 08/02/2010 Effective Date: 01/03/2010 Review

315

Widget:ShowRefFieldsButton | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address: 160 East 300 South Place:ReferenceEdit Jump to: navigation, search This widget

316

Microsoft Word - Ref_Spectra_1MB.doc  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLas Conchas recovery challenge fundProject8 -3 Subject: TankINL busing

317

Managing Technology and Operations in Emerging Submitted to the Tepper School of Business  

E-Print Network [OSTI]

of the business world is therefore more and more shaped by globalization and technol- ogy. My dissertation technologies. Chapter one studies the implications for global sourcing and technology transfer in the pres- ence of technological imitators. Technology transfer o¤ers global ...rms an opportunity to reduce costs

Sadeh, Norman M.

318

time left page StorySlugS: SEQuENCE: DESIgNEr: guIDE#: rEMArKS  

E-Print Network [OSTI]

created a huge increase in CO2 in the atmosphere by burning coal and oil. that man-made climate change emerge over time. publicpolicyismorecomplicatedthan clean and controlled experiments, Space and technology in the Rayburn House Office Building. as i looked over the heads of the seated

Holton, Gerald

319

Structural and thermoelectric properties of BaRCo{sub 4}O{sub 7} (R = Dy, Ho, Er, Tm, Yb, and Lu)  

SciTech Connect (OSTI)

The structure and thermoelectric properties of a series of barium lanthanide cobaltites, BaRCo{sub 4}O{sub 7} (R = Dy, Ho, Er, Tm, Yb, and Lu), which were prepared using the spark plasma synthesis technique, have been investigated. The space group of these compounds was re-determined and confirmed to be P31c instead of the reported P6{sub 3}mc. The lattice parameters a and c range from 6.26279(2) Angst to 6.31181(6) Angst , and from 10.22468(6) Angst to 10.24446(15) Angst for R = Lu to Dy, respectively. The crystal structure of BaRCo{sub 4}O{sub 7} is built up from Kagome sheets of CoO{sub 4} tetrahedra, linked by triangular layers of CoO{sub 4} tetrahedra. The values of figure of merit (ZT) of the BaRCo{sub 4}O{sub 7} samples were determined to be around 0.02 at 800 K. X-ray diffraction patterns of these samples have been determined and submitted to the Powder Diffraction File.

Wong-Ng, W.; Yan, Y.; Liu, G. [Ceramics Division, NIST, Gaithersburg, Maryland 20899 (United States); Xie, W.; Tritt, T. [Department of Physics, Clemson University, Greensville, South Carolina 29634 (United States); Kaduk, J. [Illinois Institute of Technology, Chicago, Illinois 60616 (United States); Thomas, E. [Air Force Research Laboratory, Wright Pattersen, Ohio 45433 (United States)

2011-12-01T23:59:59.000Z

320

Magnetic and dielectric behavior of the spin-chain compound Er{sub 2}BaNiO{sub 5} well below its Nel temperature  

SciTech Connect (OSTI)

We have recently reported that the Haldane spin-chain system, Er{sub 2}BaNiO{sub 5}, undergoing antiferromagnetic order below (T{sub N}=) 32?K, is characterized by the onset of ferroelectricity near 60?K due to magnetoelectric coupling induced by short-range magnetic-order within spin-chains. We have carried out additional magnetic and dielectric studies to understand the properties well below T{sub N}. We emphasize here on the following: (i) A strong frequency dependent behaviors of ac magnetic susceptibility and complex dielectric properties have been observed at much lower temperatures (<8?K), that is, reentrant multiglass-like phenomenon, naturally suggesting the existence of an additional transition well below T{sub N}. (ii) Magnetoelectric phase coexistence is observed at very low temperature (e.g., T?=?2?K), where the high-field magnetoelectric phase is partially arrested on returning to zero magnetic field after a cycling through metamagnetic transition.

Basu, Tathamay; Singh, Kiran; Sampathkumaran, E. V. [Tata Institute of Fundamental Research, Homi Bhabha Road, Colaba, Mumbai 400005 (India); Mohapatra, N. [School of Basic Sciences, Indian Institute of Technology Bhubaneshwar, Bhubaneshwar 751013 (India)

2014-09-21T23:59:59.000Z

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
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321

Origin of periodic domain structure in Er{sup 3+}-doped beta'-(Sm,Gd){sub 2}(MoO{sub 4}){sub 3} crystal lines patterned by laser irradiations in glasses  

SciTech Connect (OSTI)

Er{sup 3+}-doped beta'-(Sm,Gd){sub 2}(MoO{sub 4}){sub 3} crystal lines are patterned on the surface of Er{sub 2}O{sub 3}-Gd{sub 2}O{sub 3}-Sm{sub 2}O{sub 3}-MoO{sub 3}-B{sub 2}O{sub 3} glasses by continuous-wave Yb:YVO{sub 4} laser irradiations (wavelength: 1080 nm, power: 1.3 W, scanning speeds: 5 {mu}m/s), and the origin of the periodicity of self-organized domain structures with high and low refractive index regions in crystal lines is examined from polarized optical microscope (POM) observations, micro-Raman scattering spectrum, and photoluminescence spectrum measurements. It is found that the periodicity of domain structures changes largely depending on Er{sub 2}O{sub 3} content, i.e., the length of high (bright color in POM observations) and low (dark color) refractive index regions increases with increasing Er{sub 2}O{sub 3} content and homogeneous crystal lines with no periodic domain structures are patterned in Er{sub 2}O{sub 3}-Sm{sub 2}O{sub 3}-MoO{sub 3}-B{sub 2}O{sub 3} glass with no Gd{sub 2}O{sub 3}. Considering that the degree of ferroelasticities in beta'-(Sm,Gd){sub 2}(MoO{sub 4}){sub 3} crystals decreases due to the incorporation of Er{sup 3+} ions, it is demonstrated that the origin of periodic domain structures in laser-patterned lines is due to spontaneous strains in ferroelastic beta'-(Sm,Gd){sub 2}(MoO{sub 4}){sub 3} crystals. - Graphical abstract: This figure shows the polarized optical photographs (top view) for the lines patterned by laser irradiations with the power of P=1.3 W and the scanning speed of S=5 {mu}m/s in xEr{sub 2}O{sub 3}-(18.25-x)Gd{sub 2}O{sub 3}-3Sm{sub 2}O{sub 3}-63.75MoO{sub 3}-15B{sub 2}O{sub 3} (mol%) glasses. This figure indicates that the periodicity of domain structures in beta'-(Sm,Gd){sub 2}(MoO{sub 4}){sub 3} crystal lines, i.e., the lengths of bright (high refractive index) and dark (low refractive index) color regions, changes depending on the amount of Er{sub 2}O{sub 3} addition. It is demonstrated that the origin of the periodicity of domain structures is due to spontaneous strains in ferroelastic beta'-(Sm,Gd){sub 2}(MoO{sub 4}){sub 3} crystals.

Suzuki, Futoshi; Honma, Tsuyoshi [Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka-cho, Nagaoka 940-2188 (Japan); Komatsu, Takayuki, E-mail: komatsu@mst.nagaokaut.ac.j [Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka-cho, Nagaoka 940-2188 (Japan)

2010-04-15T23:59:59.000Z

322

Fine tunable red-green upconversion luminescence from glass ceramic containing 5%Er{sup 3+}:NaYF{sub 4} nanocrystals under excitation of two near infrared femtosecond lasers  

SciTech Connect (OSTI)

In this paper, we report fine tunable red-green upconversion luminescence of glass ceramic containing 5%Er{sup 3+}: NaYF{sub 4} nanocrystals excited simultaneously by two near infrared femtosecond lasers. When the glass ceramic was irradiated by 800?nm femtosecond laser, weak red emission centered at 670?nm was detected. Bright red light was observed when the fs laser wavelength was tuned to 1490?nm. However, when excited by the two fs lasers simultaneously, the sample emitted bright green light centered at 550?nm, while the red light kept the same intensity. The dependences of the red and the green light intensities on the two pump lasers are much different, which enables us to manipulate the color emission by adjusting the two pump laser intensities, respectively. We present a theoretical model of Er{sup 3+} ions interacting with two fs laser fields, and explain well the experimental results.

Shang, Xiaoying; Cheng, Wenjing; Zhou, Kan; Ma, Jing; Feng, Donghai; Zhang, Shian; Sun, Zhenrong; Jia, Tianqing, E-mail: tqjia@phy.ecnu.edu.cn [State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062 (China); Chen, Ping; Qiu, Jianrong [State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027 (China)

2014-08-14T23:59:59.000Z

323

Upconversion and pump saturation mechanisms in Er{sup 3+}/Yb{sup 3+} co-doped Y{sub 2}Ti{sub 2}O{sub 7} nanocrystals  

SciTech Connect (OSTI)

The Er{sup 3+}/Yb{sup 3+} co-doped Y{sub 2}Ti{sub 2}O{sub 7} nanocrystals were synthesized by the solgel method. X-ray diffraction, transmission electronic microscopy, and photoluminescence spectra were measured to verify the Y{sub 2}Ti{sub 2}O{sub 7} nanocrystalline produced in the sample annealed at 800?C. The anomalous slopes of the fitted line in the log-log plots for upconversion emissions and the pump-saturation effect of near-infrared emission were observed in the nanocrystalline samples. A theoretical model of practical Er{sup 3+}/Yb{sup 3+} co-doped system based on the rate equations were put forward and explained the experimental phenomena well.

Wang, Fengxiao; Song, Feng, E-mail: fsong@nankai.edu.cn; Zhang, Gong; Han, Yingdong; Li, Qiong; Tian, Jianguo [School of Physics, Nankai University, Tianjin 300071 (China); The Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, Nankai University, Tianjin 300457 (China); Ming, Chengguo [The Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, Nankai University, Tianjin 300457 (China); Physics Department, School of Sciences, Tianjin University of Science and Technology, Tianjin 300457 (China)

2014-04-07T23:59:59.000Z

324

Analysis of Hydraulic Responses from the ER-6-1 Multiple-Well Aquifer Test, Yucca Flat FY 2004 Testing Program, Nevada Test Site, Nye County, Nevada, Rev. No.: 0  

SciTech Connect (OSTI)

This report documents the interpretation and analysis of the hydraulic data collected for the Fiscal Year (FY) 2004 Multiple-Well Aquifer Test-Tracer Test (MWAT-TT) conducted at the ER-6-1 Well Cluster in Yucca Flat Corrective Action Unit (CAU) 97, on the Nevada Test Site (NTS). The MWAT-TT was performed to investigate CAU-scale groundwater flow and transport processes related to the transport of radionuclides from sources on the NTS through the Lower Carbonate Aquifer (LCA) Hydrostratigraphic Unit (HSU). The ER-6-1 MWAT-TT was planned and executed by contractor participants for the Underground Test Area (UGTA) Project of the Environmental Restoration (ER) program of the U.S. Department of Energy (DOE), National Nuclear Security Administration Nevada Site Office (NNSA/NSO). Participants included Stoller-Navarro Joint Venture (SNJV), the Environmental Engineering Services Contractor; Bechtel Nevada (BN); the Desert Research Institute (DRI); Los Alamos National Laboratory; and the University of Nevada, Las Vegas-Harry Reid Center. The SNJV team consists of the S.M. Stoller Corporation, Navarro Research and Engineering, Battelle Memorial Institute, INTERA Inc., and Weston Solutions, Inc. The MWAT-TT was implemented according to the ''Underground Test Area Project, ER-6-1 Multi-Well Aquifer Test - Tracer Test Plan'' (SNJV, 2004a) issued in April 2004. The objective of the aquifer test was to determine flow processes and local hydraulic properties for the LCA through long-term constant-rate pumping at the well cluster. This objective was to be achieved in conjunction with detailed sampling of the composite tracer breakthrough at the pumping well, as well as with depth-specific sampling and logging at multiple wells, to provide information for the depth-discrete analysis of formation hydraulic properties, particularly with regard to fracture properties.

Greg Ruskauff

2005-06-01T23:59:59.000Z

325

891070-9932/142014IEEE sEptEmbEr 2014 IEEE rObOtICs & AUtOmAtION mAGAZINE By Yaroslav Tenzer, Leif P. Jentoft, and Robert D. Howe  

E-Print Network [OSTI]

891070-9932/14©2014IEEE sEptEmbEr 2014 · IEEE rObOtICs & AUtOmAtION mAGAZINE · The Feel of MEMS available for a wide range of robotics and human-interface applications. Background Tactile sensing, such as the location of object contacts on the robot hand and contact pressure distribution, are believed

326

Ag{sub 2}O dependent up-conversion luminescence properties in Tm{sup 3+}/Er{sup 3+}/Yb{sup 3+} co-doped oxyfluorogermanate glasses  

SciTech Connect (OSTI)

Up-conversion (UC) luminescence properties of Ag/Tm{sup 3+}/Er{sup 3+}/Yb{sup 3+} co-doped oxyfluorogermanate glasses have been studied to assess the effective role of silver nanoparticles as a sensitizer for Tm{sup 3+} and Er{sup 3+} ions. The X-ray diffraction patterns obtained in this work do not reveal any crystalline phase in the glass. However, the absorption spectra reveal that surface plasmons resonance band of Ag undergoes a distinct split with two maxima and a very broad absorption peak with a background that extends toward the near infrared (NIR) with the increasing of Ag{sub 2}O added concentration. Transmission electron microscope images confirm that silver nanoparticles have been precipitated from matrix glasses and show their distribution, size, and shapes. In addition, changes in UC luminescence intensity of four emission bands 476, 524, 546, and 658?nm corresponding to {sup 1}G{sub 4} ? {sup 3}H{sub 6} (Tm{sup 3+}), ({sup 2}H{sub 11/2}, {sup 4}S{sub 3/2}) ? {sup 4}I{sub 15/2} (Er{sup 3+}), and {sup 4}F{sub 9/2} ? {sup 4}I{sub 15/2} (Er{sup 3+}) transitions, respectively, as a function of silver addition to the base composition have been measured under 980?nm excitation. It is confirmed that Ag{sub 2}O added concentration plays an important role in increasing the UC luminescence intensity; however, further increase in Ag{sub 2}O added concentration reduces the intensity.

Hu, Yuebo [Faculty of Mechanical and Electrical Engineering, Kunming University of Science and Technology, Kunming 650500 (China); Qiu, Jianbei, E-mail: qiu@kmust.edu.cn; Song, Zhiguo; Zhou, Dacheng [Key Laboratory of Advanced Materials in Rare and Precious and Non-ferrous Metals, Ministry of Education, Key Laboratory of Advanced Materials of Yunnan Province, Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093 (China)

2014-02-28T23:59:59.000Z

327

Bifunction in Er{sup 3+}/Yb{sup 3+} co-doped BaTi{sub 2}O{sub 5}Gd{sub 2}O{sub 3} glasses prepared by aerodynamic levitation method  

SciTech Connect (OSTI)

Graphical abstract: - Highlights: Novel BaTi{sub 2}O{sub 5}Gd{sub 2}O{sub 3} based glasses have been prepared by aerodynamic levitation. The obtained glasses show high thermal stability with T{sub g} = 763.3 C. Er{sup 3+}/Yb{sup 3+} co-doped glasses show strong upconversion based on a two-photon process. Red emission is stronger than green emissions for EBT by high Yb{sup 3+} concentration. Magnetic ions are paramagnetic and the distribution is homogeneous in the glasses. - Abstract: Novel Er{sup 3+}/Yb{sup 3+} co-doped BaTi{sub 2}O{sub 5}Gd{sub 2}O{sub 3} spherical glasses have been fabricated by aerodynamic levitation method. The thermal stability, upconversion luminescence, and magnetic properties of the present glass have been studied. The glasses show high thermal stability with 763.3 C of the onset temperature of the glass transition. Red and green emissions centered at 671 nm, 548 nm and 535 nm are obtained at 980 nm excitation. The upconversion is based on a two-photon process by energy transfer, excited-state absorption, and energy back transfer. Yb{sup 3+} ions are more than Er{sup 3+} ions in the glass, resulting in efficient energy back transfer from Er{sup 3+} to Yb{sup 3+}. So the red emission is stronger than the green emissions. Magnetization curves indicate that magnetic rare earth ions are paramagnetic and the distribution is homogeneous and random in the glass matrix. Aerodynamic levitation method is an efficient way to prepare glasses with homogeneous rare earth ions.

Zhang, Minghui [State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China); University of Chinese Academy of Sciences, Beijing 100039 (China); Yu, Jianding; Pan, Xiuhong [State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China); Cheng, Yuxing [State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China); University of Chinese Academy of Sciences, Beijing 100039 (China); Liu, Yan, E-mail: liuyan@mail.sic.ac.cn [State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China)

2013-11-15T23:59:59.000Z

328

Influence of core size on the upconversion luminescence properties of spherical Gd{sub 2}O{sub 3}:Yb{sup 3+}/Er{sup 3+}@SiO{sub 2} particles with core-shell structures  

SciTech Connect (OSTI)

Spherical SiO{sub 2} particles with different sizes (30, 80, 120, and 180?nm) have been coated with Gd{sub 2}O{sub 3}:Yb{sup 3+}/Er{sup 3+} layers by a heterogeneous precipitation method, leading to the formation of core-shell structural Gd{sub 2}O{sub 3}:Yb{sup 3+}/Er{sup 3+}@SiO{sub 2} particles. The samples were characterized by using X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, upconversion (UC) emission spectra, and fluorescent dynamical analysis. The obtained core-shell particles have perfect spherical shape with narrow size distribution. Under the excitation of 980?nm diode laser, the core-shell samples showed size-dependent upconversion luminescence (UCL) properties. The inner SiO{sub 2} cores in core-shell samples were proved to have limited effect on the total UCL intensities of Er{sup 3+} ions. The UCL intensities of core-shell particles were demonstrated much higher than the values obtained in pure Gd{sub 2}O{sub 3}:Yb{sup 3+}/Er{sup 3+} with the same phosphor volume. The dependence of the specific area of a UCL shell on the size of its inner SiO{sub 2} particle was calculated and analyzed for the first time. It was confirmed that the surface effect came from the outer surfaces of emitting shells is dominant in influencing the UCL property in the core-shell samples. Three-photon UC processes for the green emissions were observed in the samples with small sizes of SiO{sub 2} cores. The results of dynamical analysis illustrated that more nonradiative relaxation occurred in the core-shell samples with smaller SiO{sub 2} core sizes.

Zheng, Kezhi; Liu, Zhenyu; Liu, Ye; Song, Weiye; Qin, Weiping, E-mail: wpqin@jlu.edu.cn [State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012 (China)

2013-11-14T23:59:59.000Z

329

Final Report for DOE Grant DE-FG02-03ER25579; Development of High-Order Accurate Interface Tracking Algorithms and Improved Constitutive Models for Problems in Continuum Mechanics with Applications to Jetting  

SciTech Connect (OSTI)

Much of the work conducted under the auspices of DE-FG02-03ER25579 was characterized by an exceptionally close collaboration with researchers at the Lawrence Berkeley National Laboratory (LBNL). For example, Andy Nonaka, one of Professor Miller's graduate students in the Department of Applied Science at U. C. Davis (UCD) wrote his PhD thesis in an area of interest to researchers in the Applied Numerical Algorithms Group (ANAG), which is a part of the National Energy Research Supercomputer Center (NERSC) at LBNL. Dr. Nonaka collaborated closely with these researchers and subsequently published the results of this collaboration jointly with them, one article in a peer reviewed journal article and one paper in the proceedings of a conference. Dr. Nonaka is now a research scientist in the Center for Computational Sciences and Engineering (CCSE), which is also part of the National Energy Research Supercomputer Center (NERSC) at LBNL. This collaboration with researchers at LBNL also included having one of Professor Puckett's graduate students in the Graduate Group in Applied Mathematics (GGAM) at UCD, Sarah Williams, spend the summer working with Dr. Ann Almgren, who is a staff scientist in CCSE. As a result of this visit Sarah decided work on a problem suggested by the head of CCSE, Dr. John Bell, for her PhD thesis. Having finished all of the coursework and examinations required for a PhD, Sarah stayed at LBNL to work on her thesis under the guidance of Dr. Bell. Sarah finished her PhD thesis in June of 2007. Writing a PhD thesis while working at one of the University of California (UC) managed DOE laboratories is long established tradition at UC and Professor Puckett has always encouraged his students to consider doing this. Another one of Professor Puckett's graduate students in the GGAM at UCD, Christopher Algieri, was partially supported with funds from DE-FG02-03ER25579 while he wrote his MS thesis in which he analyzed and extended work originally published by Dr. Phillip Colella, the head of ANAG, and some of his colleagues. Chris Algieri is now employed as a staff member in Dr. Bill Collins' Climate Science Department in the Earth Sciences Division at LBNL working with computational models of climate change. Finally, it should be noted that the work conducted by Professor Puckett and his students Sarah Williams and Chris Algieri and described in this final report for DOE grant # DE-FC02-03ER25579 is closely related to work performed by Professor Puckett and his students under the auspices of Professor Puckett's DOE SciDAC grant DE-FC02-01ER25473 An Algorithmic and Software Framework for Applied Partial Differential Equations: A DOE SciDAC Integrated Software Infrastructure Center (ISIC). Dr. Colella was the lead PI for this SciDAC grant, which was comprised of several research groups from DOE national laboratories and five university PI's from five different universities. In theory Professor Puckett tried to use funds from the SciDAC grant to support work directly involved in implementing algorithms developed by members of his research group at UCD as software that might be of use to Puckett's SciDAC CoPIs. (For example, see the work reported in Section 2.2.2 of this final report.) However, since there is considerable lead time spent developing such algorithms before they are ready to become `software' and research plans and goals change as the research progresses, Professor Puckett supported each member of his research group partially with funds from the SciDAC APDEC ISIC DE-FC02-01ER25473 and partially with funds from this DOE MICS grant DE-FC02-03ER25579. This has necessarily resulted in a significant overlap of project areas that were funded by both grants. In particular, both Sarah Williams and Chris Algieri were supported partially with funds from grant # DE-FG02-03ER25579, for which this is the final report, and in part with funds from Professor Puckett's DOE SciDAC grant # DE-FC02-01ER25473. For example, Sarah Williams received support from DE-FC02- 01ER25473 and DE-FC02-03ER25579, both while at UCD taking cla

Puckett, Elbridge Gerry [U.C. Davis, Department of Mathematics; Miller, Gregory Hale [.C. Davis, Department of Chemical Engineering

2012-10-14T23:59:59.000Z

330

miller-er-99.PDF  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched5 Industrial Carbon CaptureFY08 Joint JOULE J. NoremI Prepared by. .,Analysis of

331

Final Technical Report "Catalytic Hydrogenation of Carbon Monoxide and Olefin Oxidation" Grant number : DE-FG02-86ER13615  

SciTech Connect (OSTI)

Title: Catalytic Hydrogenation of Carbon Monoxide and Olefin Oxidation Grant No. DE-FG02-86ER13615 PI: Wayland, B. B. (wayland@sas.upenn.edu) Abstract Development of new mechanistic strategies and catalyst materials for activation of CO, H2, CH4, C2H4, O2, and related substrates relevant to the conversion of carbon monoxide, alkanes, and alkenes to organic oxygenates are central objectives encompassed by this program. Design and synthesis of metal complexes that manifest reactivity patterns associated with potential pathways for the hydrogenation of carbon monoxide through metallo-formyl (M-CHO), dimetal ketone (M-C(O)-M), and dimetal dionyl (M-C(O)-C(O)-M) species is one major focus. Hydrocarbon oxidation using molecular oxygen is a central goal for methane activation and functionalization as well as regioselective oxidation of olefins. Discovery of new reactivity patterns and control of selectivity are pursued through designing new metal complexes and adjusting reaction conditions. Variation of reaction media promotes distinct reaction pathways that control both reaction rates and selectivities. Dimetalloradical diporphyrin complexes preorganize transition states for substrate reactions that involve two metal centers and manifest large rate increases over mono-metalloradical reactions of hydrogen, methane, and other small molecule substrates. Another broad goal and recurring theme of this program is to contribute to the thermodynamic database for a wide scope of organo-metal transformations in a range of reaction media. One of the most complete descriptions of equilibrium thermodynamics for organometallic reactions in water and methanol is emerging from the study of rhodium porphyrin substrate reactions in aqueous and alcoholic media. Water soluble group nine metalloporphyrins manifest remarkably versatile substrate reactivity in aqueous and alcoholic media which includes producing rhodium formyl (Rh-CHO) and hydroxy methyl (Rh-CH2OH) species. Exploratory directions for this program include expending new strategies for anti-Markovnikov addition of water, alcohols, and amines with olefins, developing catalytic reactions of CO to give formamides and formic esters, and evaluating the potential for coupling reactions of CO to produce organic building blocks.

Wayland, B.B.

2009-08-31T23:59:59.000Z

332

Luminescence properties of light-emitting diodes based on GaAs with the up-conversion Y{sub 2}O{sub 2}S:Er,Yb luminophor  

SciTech Connect (OSTI)

Y{sub 2}O{sub 2}S luminophors doped with Er{sup 3+} and Yb{sup 3+} ions are produced by means of solid-phase synthesis and deposited onto standard AL123A infrared light-emitting diodes. When excited with 940 nm radiation from a light-emitting diode, the structures exhibit intense visible up-conversion luminescence. A maximal brightness of 2340 cd/m{sup 2} of green and red up-conversion luminescence at corresponding wavelengths around 550 and 600 nm is observed for the Y{sub 2}O{sub 2}S compound doped with 2 at % Er{sup 3+} ions and 6 at % Yb{sup 3+} ions. The ratio of the intensity of green (or red) up-conversion luminescence to the intensity of infrared Stokes luminescence increases with increasing applied voltage. The efficiency of visible emission of the light-emitting diode structures is {eta} = 1.2 lm/W at an applied voltage of 1.5 V.

Gruzintsev, A. N., E-mail: gran@ipmt-hpm.ac.ru [Russian Academy of Sciences, Institute of Problems of Microelectronics Technology (Russian Federation); Barthou, C.; Benalloul, P. [Institute des NanoSciences (France)

2008-03-15T23:59:59.000Z

333

S I M O N F RASE R U N I V ERS I T Y E N V I R O N M E N T A L H E A L T H & S A F E T Y  

E-Print Network [OSTI]

S I M O N F RASE R U N I V ERS I T Y E N V I R O N M E N T A L H E A L T H & S A F E T Y Rodent the Plan. The plan was last updated on April 22, 2009. #12;S I M O N F RASE R U N I V ERS I T Y E N V I R O N M E N T A L H E A L T H & S A F E T Y EHS April 22, 2009 3/10 Table of Contents 1 INTRODUCTION

334

Electronic energy-level structure, correlation crystal-field effects, and f-f transition intensities of Er{sup 3+} in Cs{sub 3}Lu{sub 2}Cl{sub 9}  

SciTech Connect (OSTI)

Single crystals of 1{percent} Er{sup 3+}-doped Cs{sub 3}Lu{sub 2}Cl{sub 9} were grown using the Bridgman technique. From highly resolved polarized absorption spectra measured at 10 and 16 K, and upconversion luminescence and excitation spectra measured at 4.2 K, 114 crystal-field levels from 27 {sup 2S+1}L{sub J}(4f{sup 11}) multiplets of Er{sup 3+} were assigned. 111 of these were used for a semiempirical computational analysis. A Hamiltonian including only electrostatic, spin-orbit, and one-particle crystal-field interactions (C{sub 3v}) yielded a root-mean-square standard deviation of 159.8thinspcm{sup {minus}1} and could not adequately reproduce the experimental crystal-field energies. The additional inclusion of two- and three-body atomic interactions, giving a Hamiltonian with 16 atomic and 6 crystal-field parameters, greatly reduced the rms standard deviation to 22.75thinspcm{sup {minus}1}. The further inclusion of the correlation crystal-field interaction {cflx g}{sub 10A}{sup 4} again lowered the rms standard deviation to a final value of 17.98thinspcm{sup {minus}1} and provided substantial improvement in the calculated crystal-field splittings of mainly the J=9/2 or J=11/2 multiplets. However, the calculated baricenter energies of some excited-state multiplets deviate from their respective experimental values, and improvements in the atomic part of the effective Hamiltonian are required to correct this deficiency of the model. On the basis of the calculated electronic wave functions, the 12 electric-dipole intensity parameters (C{sub 3v}) of the total transition dipole strength were obtained from a fit to 95 experimental crystal-field transition intensities. The overall agreement between experimental and calculated intensities is fair. The discrepancies are most likely a result of using the approximate C{sub 3v} rather than the actual C{sub 3} point symmetry of Er{sup 3+} in Cs{sub 3}Lu{sub 2}Cl{sub 9} in the calculations. {copyright} {ital 1998} {ital The American Physical Society}

Luethi, S.R.; Guedel, H.U. [Departement fuer Chemie und Biochemie, Universitaet Bern, Freiestrasse 3, CH-3000 Bern 9 (Switzerland)] [Departement fuer Chemie und Biochemie, Universitaet Bern, Freiestrasse 3, CH-3000 Bern 9 (Switzerland); Hehlen, M.P. [Optical Sciences Laboratory, The University of Michigan, 1301 Beal Avenue, Ann Arbor, Michigan 48109-2122 (United States)] [Optical Sciences Laboratory, The University of Michigan, 1301 Beal Avenue, Ann Arbor, Michigan 48109-2122 (United States); Quagliano, J.R. [Chemical Science and Technology Division, Los Alamos National Laboratory, Mail stop E543, Los Alamos, New Mexico 87545 (United States)] [Chemical Science and Technology Division, Los Alamos National Laboratory, Mail stop E543, Los Alamos, New Mexico 87545 (United States)

1998-06-01T23:59:59.000Z

335

Spatially selected synthesis of LaF{sub 3} and Er{sup 3+}-doped CaF{sub 2} crystals in oxyfluoride glasses by laser-induced crystallization  

SciTech Connect (OSTI)

Oxyfluoride glasses with a small amount of NiO are prepared using a conventional melt quenching technique, and the spatially selected crystallization of LaF{sub 3} and CaF{sub 2} crystals is induced on the glass surface by irradiations of continuous wave lasers with a wavelength of {lambda}=1064 or 1080 nm. Dots and lines including LaF{sub 3} crystals are patterned by heat-assisted (300 deg. C) laser irradiations ({lambda}=1064 nm) with a power of P=1 W and an irradiation time of 10 s for dots and a scanning speed of S=5 {mu}m/s for lines. Lines consisting of CaF{sub 2} crystals are also patterned in an ErF{sub 3}-doped oxyfluoride glass by laser irradiations ({lambda}=1080 nm) with a power of P=1.7 W and a scanning speed of S=2 {mu}m/s, and the incorporation of Er{sup 3+} ions into CaF{sub 2} crystals is confirmed from micro-photoluminescence spectrum measurements. It is proposed that the lines patterned by laser irradiations in this study are consisted of the composite of LaF{sub 3} or CaF{sub 2} nanocrystals and SiO{sub 2}-based oxide glassy phase. It is demonstrated that a combination of Ni{sup 2+}-dopings and laser irradiations is effective in spatially selected local crystallizations of fluorides in oxyfluoride glasses. - Graphical abstract: This figure shows the polarization optical and confocal scanning laser micrographs for lines obtained by laser irradiations with a laser power of P=1.7 W and a scanning speed of S=2 {mu}m/s in an oxyfluoride glass. It is proposed that the line consists of the composite of CaF{sub 2} nanocrystals and oxide glassy phase. This is the first demonstration on the patterning of fluoride crystals in glass by laser irradiations.

Kusatsugu, M.; Kanno, M.; Honma, T. [Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka-cho, Nagaoka 940-2188 (Japan); Komatsu, T. [Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka-cho, Nagaoka 940-2188 (Japan)], E-mail: komatsu@mst.nagaokaut.ac.jp

2008-05-15T23:59:59.000Z

336

Final report for Texas A&M University Group Contribution to DE-FG02-09ER25949/DE-SC0002505: Topology for Statistical Modeling of Petascale Data (and ASCR-funded collaboration between Sandia National Labs, Texas A&M University and University of Utah)  

SciTech Connect (OSTI)

We summarize the contributions of the Texas A\\&M University Group to the project (DE-FG02-09ER25949/DE-SC0002505: Topology for Statistical Modeling of Petascale Data - an ASCR-funded collaboration between Sandia National Labs, Texas A\\&M U, and U Utah) during 6/9/2011 -- 2/27/2013.

Rojas, Joseph Maurice [Texas A& M University

2013-02-27T23:59:59.000Z

337

S T U D EN T A ND EN R OLM EN T S ER V I CE S DI V IS IO N In order to assist departments and colleges with their planning cycle for 2014-15 and beyond,  

E-Print Network [OSTI]

Page | 1 S T U D EN T A ND EN R OLM EN T S ER V I CE S DI V IS IO N In order to assist departments: Key Dates and Deadlines for 2014-15 DATE: March 28, 2014 #12;Page | 2 S T U D EN T A ND EN R OLM EN

Saskatchewan, University of

338

The Tides Of Time Issue 31  

E-Print Network [OSTI]

that ad p lace d by that Geoc omte x o utfi t. I know that thos e gu ys i n St Andr ews wer e ta lkin g ab out spon sor ship , bu from pers ona l ex peri enc e th is V an Stat ten char ac er is n ot som eon e Do cSoc wan ts t o...

2010-01-01T23:59:59.000Z

339

Synthesis, structure and properties of the oxychalcogenide series A{sub 4}O{sub 4}TiSe{sub 4} (A=Sm, Gd, Tb, Dy, Ho, Er and Y)  

SciTech Connect (OSTI)

Seven oxyselenide materials have been synthesised with composition A{sub 4}O{sub 4}TiSe{sub 4} (A=Sm, GdEr, Y) via solid state reactions of A{sub 2}O{sub 3}, TiSe{sub 2} and Se at 900 C. They are all isostructural with Gd{sub 4}O{sub 4}TiSe{sub 4}. Structures have been refined from powder X-ray diffraction data and have monoclinic C2/m symmetry with unit cell parameters of a?15.7 , b?3.75 , c?9.65 and ??117.5. They contain infinite ribbons of edge-sharing A{sub 4}O and A{sub 3}TiO tetrahedra 4 units wide, which are linked by chains of TiSe{sub 4}O{sub 2} edge-sharing octahedra. Compositions A=GdHo, Y are semiconductors with conductivities 13 Sm{sup ?1} at 300 K, with electronic band gaps of between 0.25 and 0.37 eV. Magnetic susceptibility is reported from 1.8 K to 300 K for compositions A=GdHo. Rare earth moments appear to order antiferromagnetically at low temperatures with Gd and Tb showing evidence of ferromagnetism due to spin canting over a narrow temperature range close to T{sub N}. - Graphical abstract: Illustration of the A{sub 4}O{sub 4}TiSe{sub 4} crystal structure (C2/m symmetry), A{sub 4}O and A{sub 3}TiO edge sharing tetrahedral ribbons in red, chains of edge-sharing TiSe{sub 4}O{sub 2} in blue. Rare earth=green, titanium=blue, selenium=yellow, and oxygen=red. Display Omitted - Highlights: Seven materials with A{sub 4}O{sub 4}TiSe{sub 4} (A=Sm, GdEr, Y) have been synthesised as bulk phases for the first time. Materials are semiconductors and order antiferromagnetically at ?4 K. Structure contains M{sub 4}O tetrahedral ribbons and TiSe{sub 4}O{sub 2} 1D octahedral chains.

Tuxworth, A.J.; Evans, J.S.O., E-mail: john.evans@durham.ac.uk

2014-02-15T23:59:59.000Z

340

Graphs are among the most important abstract data structures in computer sci-ence, and the algorithms that operate on them are critical to modern life. Graphs  

E-Print Network [OSTI]

description that assumes a sparse matrix representation of the graph, and operates on that matrix with linear environments (e.g., Matlab ). (2) Ease of implementation. Parallel graph algorithms are notoriously difficult computation of graph algorithms. (3) Performance. Graph algorithms expressed by a series of sparse matrix

Kepner, Jeremy

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341

Final Report for U.S. DOE GRANT No. DEFG02-96ER41015 November 1, 2010 - April 30, 2013 entitled HIGH ENERGY ACCELERATOR AND COLLIDING BEAM USER GROUP at the UNIVERSITY of MARYLAND  

SciTech Connect (OSTI)

We have #12;finished the third year of a three year grant cycle with the U.S. Department of Energy for which we were given a #12;five month extension (U.S. D.O.E. Grant No. DEFG02-96ER41015). This document is the fi#12;nal report for this grant and covers the period from November 1, 2010 to April 30, 2013. The Maryland program is administered as a single task with Professor Nicholas Hadley as Principal Investigator. The Maryland experimental HEP group is focused on two major research areas. We are members of the CMS experiment at the LHC at CERN working on the physics of the Energy Frontier. We are also analyzing the data from the Babar experiment at SLAC while doing design work and R&D towards a Super B experiment as part of the Intensity Frontier. We have recently joined the LHCb experiment at CERN. We concluded our activities on the D#31; experiment at Fermilab in 2009.

Hadley, Nicholas [University of Maryland College Park; Jawahery, Abolhassan [University of Maryland College Park; Eno, Sarah C [University of Maryland College Park; Skuja, Andris [University of Maryland College Park; Baden, Andrew [University of Maryland College Park; Roberts, Douglas [University of Maryland College Park

2013-07-26T23:59:59.000Z

342

Modeling of optical amplifier waveguide based on silicon nanostructures and rare earth ions doped silica matrix gain media by a finite-difference time-domain method: comparison of achievable gain with Er3+ or Nd3+ ions dopants  

E-Print Network [OSTI]

A comparative study of the gain achievement is performed in a waveguide optical amplifier whose active layer is constituted by a silica matrix containing silicon nanograins acting as sensitizer of either neodymium ions (Nd 3+) or erbium ions (Er 3+). Due to the large difference between population levels characteristic times (ms) and finite-difference time step (10 --17 s), the conventional auxiliary differential equation and finite-difference time-domain (ADE-FDTD) method is not appropriate to treat such systems. Consequently, a new two loops algorithm based on ADE-FDTD method is presented in order to model this waveguide optical amplifier. We investigate the steady states regime of both rare earth ions and silicon nanograins levels populations as well as the electromagnetic field for different pumping powers ranging from 1 to 10 4 mW.mm-2. Furthermore, the three dimensional distribution of achievable gain per unit length has been estimated in this pumping range. The Nd 3+ doped waveguide shows a higher gross...

Cardin, Julien; Dufour, Christian; Gourbilleau, Fabrice

2015-01-01T23:59:59.000Z

343

Measurement of g-factors of ground and excited optical states of Er3+ in YLiF4 and LuLiF4 in zero dc magnetic field by photon echo method  

E-Print Network [OSTI]

New scheme of definition of g-factors as ground as excited optical states of a paramagnetic ion in zero external constant magnetic field has been proposed and experimentally realized in optical systems in which Zeeman Effect is manifested. A pulse of a weak magnetic field leads to occurrence of relative phase shifts of the excited dipoles and, as consequence, to modulation of a photon echo waveform if magnetic pulse (MP) overlaps in time with echo-pulse. The modulation periods of the waveform depend on polarization of the laser light, which excites the photon echo. The values of these periods for {\\sigma}- and {\\pi}- laser light polarization have been measured and then the g-factors of the ground 4I15/2 and excited 4F9/2 states of the Er3+ ion in the LuLiF4 and the YLiF4 matrices have been determined. Values of the g-factors have been compared with the known literary data.

Lisin, V N; Samartsev, V V

2014-01-01T23:59:59.000Z

344

DOE 5700.6C, 10CFR830.120, DOE-ER-STD-6001-92, and Covey-based TQM: A historical perspective on current issues in research environments  

SciTech Connect (OSTI)

Three years ago there were no standards or published guidelines for quality in research environments. Today, one standard has been published, and three guidelines documents are in final draft form and about to be published. In this paper, I describe the events that led to the writing of DOE 5700.6C, 10CFR830.120, and DOE-ER-STD-6001-92, focusing on the cultural barriers that arose (largely in the community of quality assurance professionals) during this process. I go on to describe why I believe that implementing DOE 5700.6C and 10CFR830.120 must be pushed even further toward an approach that embodies the Malcolm Baldrige National Quality Award and why even this is not far enough. The reason is because the most crucial aspect of successfully implementing a quality initiative is to base it on a cohesive, unified foundation of organizational and individual values and beliefs. Stephen Covey`s 7 Habits of Highly Effective People and Principle Centered Leadership provide such a foundations.

Bodnarczuk, M.

1994-06-01T23:59:59.000Z

345

Synthesis, structural characterization and Mssbauer study of LnV{sub 0.5}Fe{sub 0.5}O{sub 3} perovskites (Ln = Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho and Er)  

SciTech Connect (OSTI)

Graphical abstract: Mssbauer spectra taken at 200 K for the Y(V{sub 0.5}Fe{sub 0.5})O{sub 3} orthoferrivanadate synthesized by arc-melting. Highlights: ? LnFe{sub 0.5}V{sub 0.5}O{sub 3} were synthesized by the first time for most of the rare-earth elements. ? These orthoferrivanadates crystallize metastably with the perovskite structure. ? Iron and vanadium are trivalent stabilized in these solid solutions. ? The Mssbauer quadrupolar splitting is correlated with the tolerance factor. ? Below 100 K, these perovskites undergo a crystallographic phase transformation. -- Abstract: Perovskites LnV{sub 0.5}Fe{sub 0.5}O{sub 3} (Ln = Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho and Er) were synthesized by rapid solidification from arc-melted samples and characterized by the study of their crystal structure and hyperfine properties. These metastable solid solutions crystallized in the Pbnm symmetry, with the iron and vanadium cations randomly distributed in the transition metal octahedral sites. Depending on the lanthanide present at the A site of the perovskite, iron is present with two valences (i.e., Fe{sup 3+} and Fe{sup 2+}). The volume of the unit cell for these perovskites increases linearly with the lanthanide ionic radius, as the perovskite approaches its ideal structure. At room temperature, the quadrupolar splitting of the trivalent paramagnetic Mssbauer component works as an indirect measurement for the Goldshmidt tolerance factor. Close to or below 100 K, these perovskites undergo a crystallographic phase transformation, probably due to orbital ordering of the V{sup 3+} cations, originating two different magnetic iron sites.

Ivashita, Flvio F.; Biondo, Valdecir; Bellini, Jusmar V.; Paesano, Andrea [Departamento de Fsica, Universidade Estadual de Maring, Av. Colombo 5790, 87.020-900 Maring, PR (Brazil)] [Departamento de Fsica, Universidade Estadual de Maring, Av. Colombo 5790, 87.020-900 Maring, PR (Brazil); Blanco, M. Cecilia; Fuertes, Valeria C.; Pannunzio-Miner, Elisa V. [INFIQC-CONICET, Departamento de Fisicoqumica, Facultad de Ciencias Qumicas, Universidad Nacional de Crdoba, X5000HUA Crdoba (Argentina)] [INFIQC-CONICET, Departamento de Fisicoqumica, Facultad de Ciencias Qumicas, Universidad Nacional de Crdoba, X5000HUA Crdoba (Argentina); Carbonio, Ral E., E-mail: carbonio@fcq.unc.edu.ar [INFIQC-CONICET, Departamento de Fisicoqumica, Facultad de Ciencias Qumicas, Universidad Nacional de Crdoba, X5000HUA Crdoba (Argentina)

2012-09-15T23:59:59.000Z

346

ICHEP94 Ref. 0258 LU TP 9412 Submitted to Pa 11, 06 July, 1994  

E-Print Network [OSTI]

such as YNi B C or LuNi B C, without the influence of magnetic order. Here, we2 2 2 2 present data from local

Lunds Universitet,

347

Marian Koshland Bioscience and Natural Resources Library ES 8/12 GeoRef Brief Guide  

E-Print Network [OSTI]

entered in one search box will be searched as though they are combined with AND by default; you must combine terms with OR if you want to search for citations containing any of the words. Thesaurus Search Use the thesaurus to select more precise search terms (descriptors) or to look for related terms. 1

Kammen, Daniel M.

348

The Senior University Ref. no. LiU-2010-00209  

E-Print Network [OSTI]

permeate all operations. LiU's long-term goals for the work environment are that LiU shall as an attractive work and study space. ! ! Work environment efforts LiU shall conduct work environment efforts' and the student unions. ! ! The work environment efforts shall be a natural part of all daily operations. In order

Zhao, Yuxiao

349

Ref: RMM Program #301 Standard Operating Procedures Page 1 of 4 Name of SOP Fluidized bed  

E-Print Network [OSTI]

with adequate training as defined above. PDFs Equipment and supplies required Ladder Personal protective several days to attain (heating) the specified temperature and cool down (cooling) to room temperature

Thompson, Michael

350

Figure 1. Single infected mature Lawson's cypress tree Photo courtesy of Forestry Commission (ref 2014314)  

E-Print Network [OSTI]

; these had shown signs of decline and mortality since 2005 although the cause was only confirmed in 2009, in watercourses or by wind. However, the origin of the inoculum is not known. Later in 2010, the Netherlands

351

E-Print Network 3.0 - american ref-fuel vpp Sample Search Results  

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47 Anders rskov Christensen, S052548 Jonas Falck Frederiksen, S052608 Summary: of a Virtual Power Plant . . 14 2.3 EDISON VPP . . . . . . . . . . . . . . . . . . . . . . . ....

352

R e f.No.86-56b [UMCEESICBL Ref. No. 86-56 b  

E-Print Network [OSTI]

.H. Garber Program Manager J. Barned Field Program Co-ordinator Center for Enviro~nental& Estuarine Studies in response t o pollution control programs. 3) integrate the information collected in this program with other

Boynton, Walter R.

353

E-Print Network 3.0 - american ref-fuel waste-to-energy Sample...  

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Research and Technology Council (WTERT) Collection: Renewable Energy 50 Leaching of Dioxins from Municipal Waste Combustor Residues Summary: 12, 12th North American...

354

Copyright Curriculum Council 2011 Ref: 11061 Western Australian Certificate of Education  

E-Print Network [OSTI]

________________________________________________________________ ________________________________________________________________ Time allowed for this paper Reading time before commencing work: ten minutes Working time for paper Section Number of questions available Number of questions to be answered Suggested working time (minutes) Marks available Percentage of exam Section One: Multiple-choice 20 20 30 20 20 Section Two: Short answer

355

Development of substrate-removal-free vertical ultraviolet light-emitting diode (RefV-LED)  

SciTech Connect (OSTI)

A vertical ultraviolet (UV) light-emitting diode (LED) that does not require substrate removal is developed. Spontaneous via holes are formed in n-AlN layer epitaxially grown on a high conductive n+Si substrate and the injected current flows directly from the p-electrode to high doped n{sup +} Si substrate through p-AlGaN, multi-quantum wells, n-AlGaN and spontaneous via holes in n-AlN. The spontaneous via holes were formed by controlling feeding-sequence of metal-organic gas sources and NH{sub 3} and growth temperature in MOCVD. The via holes make insulating n-AlN to be conductive. We measured the current-voltage, current-light intensity and emission characteristics of this device. It exhibited a built-in voltage of 3.8 V and emission was stated at 350 nm from quantum wells with successive emission centered at 400?nm. This UV LED can be produced, including formation of n and p electrodes, without any resist process.

Kurose, N., E-mail: kurose@fc.ritsumei.ac.jp; Aoyagi, Y. [The Research Organization of Science and Technology, Ritsumeikan University, 1-1-1, Noji-higashi, Kusatsu, Shiga 525-8577 (Japan)] [The Research Organization of Science and Technology, Ritsumeikan University, 1-1-1, Noji-higashi, Kusatsu, Shiga 525-8577 (Japan); Shibano, K.; Araki, T. [Department of Science and Technology, Ritsumeikan University, 1-1-1, Noji-higashi, Kusatsu, Shiga 525-8577 (Japan)] [Department of Science and Technology, Ritsumeikan University, 1-1-1, Noji-higashi, Kusatsu, Shiga 525-8577 (Japan)

2014-02-15T23:59:59.000Z

356

American Ref-Fuel of Delaware Valley Biomass Facility | Open Energy  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentrating SolarElectricEnergy InformationTuriAlexandriaAlstomAmedeePowerNetPowerNet Jump

357

American Ref-Fuel of Essex Biomass Facility | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentrating SolarElectricEnergy InformationTuriAlexandriaAlstomAmedeePowerNetPowerNet

358

American Ref-Fuel of Hempstead Biomass Facility | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentrating SolarElectricEnergy InformationTuriAlexandriaAlstomAmedeePowerNetPowerNetHempstead

359

American Ref-Fuel of Niagara Biomass Facility | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentrating SolarElectricEnergy

360

American Ref-Fuel of SE CT Biomass Facility | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentrating SolarElectricEnergyCT Biomass Facility Jump to: navigation, search Name American

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361

FITCH RATES ENERGY NORTHWEST (WA) ELECTRIC REV REF BONDS 'AA'; OUTLOOK STABLE  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series toESnet4:Epitaxial ThinFOR IMMEDIATE RELEASE JimFAQsFESTop panel:FITCH

362

Microsoft Word - Andrews_SREL-CV-Nov-2013-no-in-prep_no-refs.docx  

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363

Elsam Engineering A/S Our ref. HHA/AAH/AWK  

E-Print Network [OSTI]

Verified: AWK Approved: HHA 20 October 2004 Life Cycle Assessment of offshore and onshore sited wind farms..........................................................................................................................7 3. Offshore wind farm.............................................................................21 5.1.6 Manufacturing of internal farm cables to offshore wind farm

364

Ref: RMM Program #301 Standard Operating Procedures Page 1 of 3 Name of SOP Rheometer  

E-Print Network [OSTI]

/Process could cause environmental impairment. Procedure/Process could damage University property. Supervisor and Safety Committee EOHSS - Environmental and Occupational Health Support Services EPA Environmental

Thompson, Michael

365

30 UWBUSINESS by Ed KromEr  

E-Print Network [OSTI]

." Penny Arcade's readership was already impressive and impassioned. And growing like kudzu. But given

Kaminsky, Werner

366

for Pulsed Power & erElectronics|Texas  

E-Print Network [OSTI]

University began in the early 70's with stud- ies in high beta, controlled thermonuclear fusion accelerators, nuclear fusion, nuclear weap- ons effects and lightning simulations, industrial manufacturing

Gelfond, Michael

367

Final Technical Report, DOE/ER/64323  

SciTech Connect (OSTI)

The DOE SciDAC program funded a team that developed PFLOTRAN, the next-generation (â??peta-scaleâ??) massively parallel, multiphase, multicomponent reactive flow and transport code. These codes are required to improve understanding and risk management of subsurface contaminant migration and geological sequestration of carbon dioxide. The important fate and transport processes occurring in the subsurface span a wide range of spatial and temporal scales, and involve nonlinear interactions among many different chemical constituents. Due to the complexity of this problem, modeling subsurface processes normally requires simplifying assumptions. However, tools of advanced scientific computing that have been used in other areas such as energy and materials research can also help address challenging problems in the environmental and geoscience fields. The overall project was led by Los Alamos National Laboratory and included Argonne, Oak Ridge and Pacific Northwest National Laboratories, in addition to the University of Illinois. This report summarizes the results of the research done at the University of Illinois, which focused on improvements to the underlying physical and computational modeling of certain transport and mixing processes.

Valocchi, Albert J. [University of Illinois, Dept of Civil & Environ Engr] University of Illinois, Dept of Civil & Environ Engr

2013-06-05T23:59:59.000Z

368

for Multir ovi eliver er vice  

E-Print Network [OSTI]

in s s an s m n an an s an n s m s i mains a a sin i as primary i i ma in a nsis s s m s a i s n a ma s n i i s s s m i s a m i i a i s a n s as a n n is i i n s s i s m i in sin is ma imi s n ima i a a i a s a a i ima

Shaikh, Anees

369

Explorewww.trentu.ca/ers Environmental  

E-Print Network [OSTI]

environmental research, natural resource conservation, environmental planning and assessment, water and waste management, and social advocacy. Why Trent? Be part of the Canadian standard for environmental inquiry Learn such as environmental law and forest management Study abroad and take advantage of research placements Enjoy

Fox, Michael

370

Final Scientific Report for ER41087  

SciTech Connect (OSTI)

The primary focus of the work was the development of methods for the nonperturbative solution of quantum chromodynamics (QCD) in a form that yields wave functions for the eigenstates, from which hadronic properties can be computed. The principal approach was to use a light-front Hamiltonian formulation. In light-front coordinates, t+z/c plays the role of time, with t the ordinary time, z a space direction, and c the speed of light. This leads to a relativistic formulation that retains useful characteristics of nonrelativistic treatments. A bound state of many constituents can be represented by wave functions that define probabilities for each possible arrangement of internal momenta. These functions satisfy integral equations that can be approximated numerically to yield a matrix representation. The matrix problem can be solved by iterative methods. The approximate wave functions can then be used to compute properties of the bound state. Methods have been developed for model theories and gauge theories, including quantum electrodynamics and theories that are supersymmetric. The work has required the development of new numerical algorithms and computer codes for singular integral equations and eigenvalue problems. A key aspect of the work is the construction of practical procedures for nonperturbative regularization and renormalization. Two methods of regularization have been studied. One is the addition of heavy Pauli--Villars (PV) particles to the Lagrangian, with their metrics and couplings tuned to provide the necessary cancellations in the regularization. The other method of regularization is the addition of supersymmetric partners, to extend a theory to a supersymmetric form. The supersymmetric theories were solved by the supersymmetric discrete light-cone quantization (SDLCQ) method. The most significant accomplishments of the project were the SDLCQ calculation of direct evidence for a Maldacena duality conjecture, construction of a practical light-front quantization for QED in an arbitrary covariant gauge, and invention of the light-front coupled-cluster method, designed to eliminate the need for Fock-space truncations.

Hiller, John R. [University of Minnesota-Duluth] [University of Minnesota-Duluth

2013-08-23T23:59:59.000Z

371

Final Report for DOE Award ER25756  

SciTech Connect (OSTI)

The SciDAC-funded Center for Enabling Distributed Petascale Science (CEDPS) was established to address technical challenges that arise due to the frequent geographic distribution of data producers (in particular, supercomputers and scientific instruments) and data consumers (people and computers) within the DOE laboratory system. Its goal is to produce technical innovations that meet DOE end-user needs for (a) rapid and dependable placement of large quantities of data within a distributed high-performance environment, and (b) the convenient construction of scalable science services that provide for the reliable and high-performance processing of computation and data analysis requests from many remote clients. The Center is also addressing (c) the important problem of troubleshooting these and other related ultra-high-performance distributed activities from the perspective of both performance and functionality

Kesselman, Carl

2014-11-17T23:59:59.000Z

372

ChaptEr 1 Earth's Closest Neighbors  

E-Print Network [OSTI]

, but most of it is in the form of very small dust particles or very small stones. Much of this dust and sand cause impressive fireball events, our atmosphere prevents almost all of them from reaching the ground missile launch events and nuclear explosions. Mr. S. B. Semenov Gets Blown off His Porch Allow me

Landweber, Laura

373

E.R. Daviesa , M. Atiquzzamanb  

E-Print Network [OSTI]

. Then there are the variants on the main projection-based transforms theme: how useful and different are structural indexing, geometric hashing, projection-based transforms, and indeed, the origi- nal Hough transform (HT)? And has. Conventional HTs find con- siderable difficulty with such images, missing some over- lapping components

Atiquzzaman, Mohammed

374

DOE/ER--0547T DE92  

Office of Scientific and Technical Information (OSTI)

Office, Environment, Safety, Ikislmstl A r'a,v 1. tml (;, Lo,s' A htmos Natiomtl and Health Division, Environmental Programs Laloratm'v, l.t,.l)i'lI.,A..t11(.-86237(), l,os...

375

Microsoft Word - westwater_er.doc  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment SurfacesResource Program PreliminaryA TrimodalRECENTMicrophysicalRobert D.2004 North

376

NASA is operating two Lockheed ER-2  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

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377

DOE/ER/06035--7  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phases onOrganizationElectronic Reading2Q)382 THE HUMAN GENOME2

378

DOE/ER/13897--9  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phases onOrganizationElectronic Reading2Q)382 THE HUMAN

379

DOE/ER/13897-12  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phases onOrganizationElectronic Reading2Q)382 THE HUMANlviA,'{ ' - n

380

The Daily ER Retro Report.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches201 0 45 33 7212 296 74974

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
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We encourage you to perform a real-time search of NLEBeta
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381

The Daily ER Retro Report.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches201 0 45 33 7212 296

382

The Daily ER Retro Report.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches201 0 45 33 7212 29610 640

383

The Daily ER Retro Report.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches201 0 45 33 7212 29610

384

FinalReport_01ER41190.dvi  

Office of Scientific and Technical Information (OSTI)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinan antagonist Journal Article: Crystal structureComposite--FOR IMMEDIATEDOEFinal R eport f or E nhancing

385

K DOE/ER/72018~9  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation ProposedUsingFunInfraredJeffersonJonathan Pershing AboutJuly13,8 RevisedJunjian+ ¡£¢

386

Final Scientific/Technical Report, USDOE Award DE-FG-02ER54684, Recipient: CompX, Project Title: Fokker-Planck/Ray Tracing for Electron Bernstein and Fast Wave Modeling in Support of NSTX.  

SciTech Connect (OSTI)

This DOE grant supported fusion energy research, a potential long-term solution to the world's energy needs. Magnetic fusion, exemplified by confinement of very hot ionized gases, i.e., plasmas, in donut-shaped tokamak vessels is a leading approach for this energy source. Thus far, a mixture of hydrogen isotopes has produced 10's of megawatts of fusion power for seconds in a tokamak reactor at Princeton Plasma Physics Laboratory in New Jersey. The research grant under consideration, ER54684, uses computer models to aid in understanding and projecting efficacy of heating and current drive sources in the National Spherical Torus Experiment, a tokamak variant, at PPPL. The NSTX experiment explores the physics of very tight aspect ratio, almost spherical tokamaks, aiming at producing steady-state fusion plasmas. The current drive is an integral part of the steady-state concept, maintaining the magnetic geometry in the steady-state tokamak. CompX further developed and applied models for radiofrequency (rf) heating and current drive for applications to NSTX. These models build on a 30 year development of rf ray tracing (the all-frequencies GENRAY code) and higher dimensional Fokker-Planck rf-collisional modeling (the 3D collisional-quasilinear CQL3D code) at CompX. Two mainline current-drive rf modes are proposed for injection into NSTX: (1) electron Bernstein wave (EBW), and (2) high harmonic fast wave (HHFW) modes. Both these current drive systems provide a means for the rf to access the especially high density plasma--termed high beta plasma--compared to the strength of the required magnetic fields. The CompX studies entailed detailed modeling of the EBW to calculate the efficiency of the current drive system, and to determine its range of flexibility for driving current at spatial locations in the plasma cross-section. The ray tracing showed penetration into NSTX bulk plasma, relatively efficient current drive, but a limited ability to produce current over the whole radial plasma cross-section. The actual EBW experiment will cost several million dollars, and remains in the proposal stage. The HHFW current drive system has been experimentally implemented on NSTX, and successfully drives substantial current. The understanding of the experiment is to be accomplished in terms of general concepts of rf current drive, and also detailed modeling of the experiment which can discern the various competing processes which necessarily occur simultaneously in the experiment. An early discovery of the CompX codes, GENRAY and CQL3D, was that there could be significant interference between the neutral beam injection fast ions in the machine (injected for plasma heating) and the HHFW energy. Under many NSTX experimental conditions, power which could go to the fast ions would then be unavailable for current drive by the desired HHFW interaction with electrons. This result has been born out by experiments; the modeling helps in understanding difficulties with HHFW current drive, and has enabled adjustment of the experiment to avoid interaction with neutral beam injected fast ions thereby achieving stronger HHFW current drive. The detailed physics modeling of the various competing processes is almost always required in fusion energy plasma physics, to ensure a reasonably accurate and certain interpretation of the experiment, enabling the confident design of future, more advanced experiments and ultimately a commercial fusion reactor. More recent work entails detailed investigation of the interaction of the HHFW radiation for fast ions, accounting for the particularly large radius orbits in NSTX, and correlations between multiple HHFW-ion interactions. The spherical aspect of the NSTX experiment emphasized particular physics such as the large orbits which are present to some degree in all tokamaks, but gives clearer clues on the resulting physics phenomena since competing physics effects are reduced.

R.W. Harvey, CompX, Del Mar, CA 92014

2009-11-12T23:59:59.000Z

387

ER100/PPC184/ER200/PPC284, Fall 2014 Energy Units & Conversions, Global Energy Use  

E-Print Network [OSTI]

ft3 natural gas g. 4.490x1012 kWhe/yr x 1 0.14 x 1 2· 5.7 x 1 365 = 1.5x1010 m2 solar panels h10^9 kWh/yr Electricity produced = Power plant capacity x capacity factor x hours/year 2.6x10^9 k in California is significantly lower than that of West Virginia. This means that using California electricity

Kammen, Daniel M.

388

Photo: Earl DottEr -EarlDottEr.com Research Education Prevention  

E-Print Network [OSTI]

. Peter Davies related to livestock associated methicillin resistant Staphylococcus aureus (MRSA an emerging problem. Emerging and re-emerging infectious agents, like livestock associated MRSA, can affect-being. The emergence of livestock associated MRSA is a complicated story that requires rigorous research that fully

Blanchette, Robert A.

389

Energy and Society ER100/PPC184/ER200/PPC284, Fall 2014  

E-Print Network [OSTI]

countries with average annual per capita energy consumption rates under 1 TOE)? [5 points] 2. Exponential growth models The OECD (or broadly speaking developed) nations' energy consumption and 2 emissions have

Kammen, Daniel M.

390

Energy and Society ER100/PPC184/ER200/PPC284, Fall 2014  

E-Print Network [OSTI]

refrigerator at a cost of $300.00. The high-efficiency refrigerator uses 219 kWh/year less energy than of the refrigerators. a. What is the difference in levelized annual cost between the two options? [10 points] ANSWh/year and = 657 kWh/year Levelized Cost of Electricity: (remember, the levelized annual cost is the same

Kammen, Daniel M.

391

ER100/PPC184/ER200/PPC284, Fall 2014 Energy Units & Conversions, Global Energy Use  

E-Print Network [OSTI]

the temperature and pressure, if known.) (3 points) g. How many square meters of solar panels (assume that the panels are placed in the Southwest in an area with an annual average solar radiation of 5.7 kWh/m2 /day, and that the solar panels have a conversion efficiency of 14%) (3 points) h. How many gallons of water that fall

Kammen, Daniel M.

392

Primary to secondary sphere coordination of 15-crown-5 to lanthanide(III) chlorides: Structural analysis of [MCl{sub 3}(15-crown-5)] (M = La, Ce) and [Er(OH{sub 2}){sub 8}]Cl{sub 3} {center_dot} 15-crown-5  

SciTech Connect (OSTI)

Complexes of LaCl{sub 3}{center_dot}7H{sub 2}O and CeCl{sub 3} {center_dot} 7H{sub 2}O directly coordinated to 15-crown-5 were prepared by placing the reactants in 3:1 CH{sub 3}CN:CH{sub 3}OH on opposite sides of a fine porosity glass frit in a U-shaped cell and passing a 10 {mu}A current through the cell. The crystal structures of the two anhydrous 8-coordinate complexes, [MCl{sub 3}(15-crown-5)] (M = La, Ce) have been determined. Each contains the lanthanide in a bicapped trigonal prismatic geometry. The two complexes are isostructural crystallizing in the monoclinic space group P2{sub 1}/c with (at 20{degrees}C) for M = La: a =8.217(8), b = 14.298(2), c = 14.341(9){angstrom}, {beta} = 104.79(8){degrees}, and D{sub calc} = 1.90 g cm{sup {minus}3} for Z = 4; for M = Ce: a = 8.208(9), b = 14.263(6), c = 14.270(8){angstrom}, {beta} = 104.74(7){degrees}, and D{sub calc} = 1.92 g cm{sup {minus}3} for Z = 4. Direct reaction of ErCl{sub 3}{center_dot}6H{sub 2}O with 15-crown-5 in 3:1 CH{sub 3}CN:CH{sub 3}OH resulted in the crystallization of the second sphere hydrogen bonded complex [Er(OH{sub 2}){sub 8}]Cl{sub 3}{center_dot}15-crown-5. This complex is monoclinic, P2{sub 1}/n with (at 18{degrees}C) a = 9.193(3), b = 17.235(9), c = 15.216(5){angstrom}, {beta} = 92.48(3){degrees}, and D{sub calc} = 1.76 g cm{sup {minus}3} for Z = 4. The Er{sup 3+} ion is dodecahedral.

Roger, R.D.; Rollins, A.N. [Northern Illinois Univ., DeKalb, IL (United States)

1994-08-01T23:59:59.000Z

393

Carbonate sedimentation in the vicinity of Arcas Reef, Campeche Bank, Mexico  

E-Print Network [OSTI]

OF SCI ENCE August, 1$6It Illajor Subject: Geological Oceanography CARBONATE SEDIMENTAT ION IN THE V ICI NITY OF ARCAS REEF) CAMPECHE BANK, MEXICO A Thee is by Robert G. Snead Approved as to style and content by. airman of mittee Committee em er...CARBONATE SEDIMENTATION I N THE VI CI NITY OF ARCAS REEF) CAMPECHE BANK, MEXICO A Thea is Rober t G. Snead Submitted to the Graduate College of Texas A&M Uni vers i ty in partial fulf i 1lment of the requirements for the degree of IIIIASTER...

Snead, Robert Garland

1964-01-01T23:59:59.000Z

394

Response of immature insects to the carbamate insecticide, Temik  

E-Print Network [OSTI]

applications l, ;any insects at all s' acges of de relopment receive doses of c?ie:. ica) s t:hat do not: produce imlncdiate kil] s; how . ver, the chez!le- all may cause ac)verse phys iological e f fee ts that. reduce the reproduct!ve capacities... developing from treatecl eggs die shortly after hatching (Smi. th and Sai. kelcl 1965). Atallah and Newson ('966) treated ac!alt ) ady beetles, Col eomccrilla s acul ata De Goer, wi. th DDT, enc'. rln toxaphene, or a t:oxaphene-DDT mixture. DDT hacl no er...

Bruce, David Lawrence

1968-01-01T23:59:59.000Z

395

Water mass distribution in cyclonic rings  

E-Print Network [OSTI]

WATER SASS DISTR'-NUT(ON Til Cy'UON I i RL i( S A Thesis NONA M, RTE JANOPAUL Submitted to the Gvsdust CoiieSe of Texas A&N Univetslty Pst'tiel fuifl11meot of the te(N|ltem 1'lt ot the de[ ee of RASTER OP SC1ENCE i)eceml:er 1979 Nv jot Sue... lect: Phy, . ical Ocean Staphy NATRR MASS DTSPRTblJTTON 1N C". CJ. ONTO RTNGS NONA MARIE . TANOPAUL Approved as to style. and content by: (Chairman. of Committee) (Member) I( December 1979 ABS'IRACT Water Mass Distribution in Cyclonic Rings...

Janopaul, Mona Marie

2012-06-07T23:59:59.000Z

396

Relationship of endogenous abscisic acid to peach chilling requirement, bloom date and applied gibberellic acid  

E-Print Network [OSTI]

and main- tenance (19, 20, 22, 2G, '. . ", , !6, 47, 56, . Promiz!ant American re ear h rs have been Brs. J. I'I. Corgsz!, F. 0 ~ Iicnnis Jr. , a!zd S. L'. Ste?bridge, Cozgazz's wo "k has insclv. d pear!zcs. EIe a!!d his co-wozk= 's . ve z: a- suzed...). 14 CHAPTER IV RESULTS Experjmental Error Estimates of experimental error are as follows: he average dif- fe ence; 1) among three duplicate flo. . -er. bud samples from the same tree on two dii'ferent dates was . 06 ug, 2) among 3 duplicate extr...

Derickson, Gary Wayne

1977-01-01T23:59:59.000Z

397

Closeout for U.S. Department of Energy Final Technical Report for University of Arizona grant DOE Award Number DE-FG03-95ER40906 From 1 February 1995 to 31 January 2004 Grant title: Theory and Phenomenology of Strong and Weak High Energy Physics (Task A) and Experimental Elementary Particle Physics (Task B)  

SciTech Connect (OSTI)

The following pages describe the high energy physics program at the University of Arizona which was funded by DOE grant DE-FG03-95ER40906, for the period 1 February 1995 to 31 January 2004. In this report, emphasis was placed on more recent accomplishments. This grant was divided into two tasks, a theory task (Task A) and an experimental task (Task B but called Task C early in the grant period) with separate budgets. Faculty supported by this grant, for at least part of this period, include, for the theory task, Adrian Patrascioiu (now deceased), Ina Sarcevic, and Douglas Toussaint., and, for the experimental task, Elliott Cheu, Geoffrey Forden, Kenneth Johns, John Rutherfoord, Michael Shupe, and Erich Varnes. Grant monitors from the Germantown DOE office, overseeing our grant, changed over the years. Dr. Marvin Gettner covered the first years and then he retired from the DOE. Dr. Patrick Rapp worked with us for just a few years and then left for a position at the University of Puerto Rico. Dr. Kathleen Turner took his place and continues as our grant monitor. The next section of this report covers the activities of the theory task (Task A) and the last section the activities of the experimental task (Task B).

Rutherfoord, John; Toussaint, Doug; Sarcevic, Ina

2005-03-03T23:59:59.000Z

398

Discovery of difference in the diffuse scattering from nonstoichiometric Ca{sub 0.87}La{sub 0.13}F{sub 2.13} and Ca{sub 0.92}Er{sub 0.08}F{sub 2.08} crystals with different types of clusters of structural defects  

SciTech Connect (OSTI)

A new approach to application of diffuse scattering (DS) for studying the defect structure of crystals on laboratory radiation sources is implemented. The basic principles of this approach are as follows: (i) choice of crystals with a high concentration of structural defects (highly nonstoichiometric Ca{sub 1-x}R{sub x}F{sub 2+x} phases), (ii) application of intermeasurement minimization method (experimental comparison) to select a weak desired DS signal from a superposition of signals of different nature, and (iii) choice of the basic model proceeding from the reliable information provided by accurate analysis of the contribution of structural defects to Bragg reflections. Significantly different DS diffraction patterns have been recorded for Ca{sub 0.87}La{sub 0.13}F{sub 2.13} and Ca{sub 0.92}Er{sub 0.08}F{sub 2.08} crystals, characterized by different types of structural-defect clusters, determined from the Bragg diffraction data. Experiments performed at 90-100 K proved that DS is caused by clusters with stable atomic configurations rather than cooperative thermal atomic vibrations. A set of methods is proposed which can efficiently be used in diagnostics of nanomaterials.

Dudka, A. P., E-mail: dudka@ns.crys.ras.ru; Sobolev, B. P.; Simonov, V. I. [Russian Academy of Sciences, Shubnikov Institute of Crystallography (Russian Federation)] [Russian Academy of Sciences, Shubnikov Institute of Crystallography (Russian Federation)

2013-11-15T23:59:59.000Z

399

Application Form Removal of Financial Liability due to Special Circumstances V9-12 OFFICE USE ONLY: REF#  

E-Print Network [OSTI]

Liability Due to Special Circumstances Procedures at: http://ppl.app.uq.edu.au/content/3.50.10-removal for withdrawal without academic penalty refer to: http://ppl.app.uq.edu.au/content/3.50.02-academic

Blows, Mark

400

JMB--MS 422 Cust. Ref. No. CAM 502/94 [SGML] J. Mol. Biol. (1995) 247, 536540  

E-Print Network [OSTI]

(Chothia, 1984; Finkelstein & Ptitsyn, 1987) and provide the basis for the classification of protein folds (1993). An extensive bibliography of papers on the classification and the determinants of protein folds

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Ref: RMM Program #301 Standard Operating Procedures Page 1 of 3 Name of SOP Pressure air blower  

E-Print Network [OSTI]

illness. Procedure/Process could cause environmental impairment. Procedure/Process could damage University - Joint Health and Safety Committee EOHSS - Environmental and Occupational Health Support Services EPA Environmental Protection Act OHSA Occupational Health and Safety Act Requirements Applicable OHSA regulations

Thompson, Michael

402

earnest312 12EvEnts and REsEaRch nEws in EnginEERing and sciEncE today www.clEmson.Edu/cEs  

E-Print Network [OSTI]

for electrochemical ceramics (e.g. electrodes for solid oxide fuel cells). Results will be presented on the processing on con- strained sintering of multilayered ceramics including solid oxide fuel cells. In this situation optimization of a multitude of properties many of which have conflicting requirements on the microstructure

Duchowski, Andrew T.

403

Veterinary (D.V.M.) D.V.M. or V.M.D. (equivalent degrees) Doctor of Veterinary Medicine  

E-Print Network [OSTI]

English department course. Examples are ENC1101, ENC1102, ENC3254, LIT2110) Public Speaking: SPC2608;Reference Guide for School Selection The AAVMC has a College General Information Chart, available

Pilyugin, Sergei S.

404

fi 2 1er mars 2005 page 1 Prochaines parutions  

E-Print Network [OSTI]

'un virage à ski par pression sur une des carres. Historique Alors que le Segway, nom de code Ginger, a été finaux mais bien à ceux dont les fonctions, au moins partiel- lement, sont de gérer un parc informatique

405

The Daily ER Retro Report 06-09-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

non- firm) capacity of the other COB and NOB path owners. The maximum limit used is the WECC path rating, which may include capacity that may not be available for scheduling due to...

406

The Daily ER Retro Report 06-08-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

non-firm) capacity of the other COB and NOB path owners. The maximum limit used is the WECC path rating, which may include capacity that may not be available for scheduling due to...

407

Electrorheological (ER) fluids: A research needs assessment. Final report  

SciTech Connect (OSTI)

This report consists of seven sections: (1) Executive Summary, (2) Introduction, (3) Overview, (4) Recommendations, (5) Panelist Reports, (6) Overseas Research and Development, and (7) Extended Bibliography. The Appendix contains the reports of site visits and contacts and other supplementary documents.

Krieger, I.M.; Collins, E.A. [Consultec Scientific, Inc., Knoxville, TN (United States)

1993-05-01T23:59:59.000Z

408

Final Report: Towards Optimal Petascale Simulations (TOPS), ER25785  

SciTech Connect (OSTI)

Multiscale, multirate scientific and engineering applications in the SciDAC portfolio possess resolution requirements that are practically inexhaustible and demand execution on the highest-capability computers available, which will soon reach the petascale. While the variety of applications is enormous, their needs for mathematical software infrastructure are surprisingly coincident; moreover the chief bottleneck is often the solver. At their current scalability limits, many applications spend a vast majority of their operations in solvers, due to solver algorithmic complexity that is superlinear in the problem size, whereas other phases scale linearly. Furthermore, the solver may be the phase of the simulation with the poorest parallel scalability, due to intrinsic global dependencies. This project brings together the providers of some of the world??s most widely distributed, freely available, scalable solver software and focuses them on relieving this bottleneck for many specific applications within SciDAC, which are representative of many others outside. Solver software directly supported under TOPS includes: hypre, PETSc, SUNDIALS, SuperLU, TAO, and Trilinos. Transparent access is also provided to other solver software through the TOPS interface. The primary goals of TOPS are the development, testing, and dissemination of solver software, especially for systems governed by PDEs. Upon discretization, these systems possess mathematical structure that must be exploited for optimal scalability; therefore, application-targeted algorithmic research is included. TOPS software development includes attention to high performance as well as interoperability among the solver components. Support for integration of TOPS solvers into SciDAC applications is also directly supported by this proposal. The role of the UCSD PI in this overall CET, is one of direct interaction between the TOPS software partners and various DOE applications scientists ?? specifically toward magnetohydrodynamics (MHD) simulations with the Center for Extended Magnetohydrodynamic Modeling (CEMM) SciDAC and Applied Partial Differential Equations Center (APDEC) SciDAC, and toward core-collapse supernova simulations with the previous Terascale Supernova Initiative (TSI) SciDAC and in continued work on INCITE projects headed by Doug Swesty, SUNY Stony Brook. In addition to these DOE applications scientists, the UCSD PI works to bring leading-edge DOE solver technology to applications scientists in cosmology and large-scale galactic structure formation. Unfortunately, the funding for this grant ended after only two years of its five-year duration, in August 2008, due to difficulties at DOE in transferring the grant to the PI??s new faculty position at Southern Methodist University. Therefore, this report only describes two years?? worth of effort.

Daniel R. Reynolds

2011-04-15T23:59:59.000Z

409

The kinetics of ER fusion protein activation in vivo  

E-Print Network [OSTI]

functionality was assessed by quantifying apoptosis in the thymus (immunohistochemical staining for cleaved caspase-3) (Figures 2ac) and by assaying levels of p21cip1 expression in the spleen (Supplementary Figure 1). As expected, untreated p53+/+ control mice... exhibited high levels of both apoptosis and p21cip1 expression following irradiation whereas non-tamoxifen-treated p53KI/KI mice (as well as p53? /? controls), exhibited little (Supplementary Figure 2). Significant apoptosis and p21cip1 expression were...

Wilson, Catherine H.; Gamper, Ivonne; Perfetto, Alessandra; Auw, Jeremy; Littlewood, Trevor D.; Evan, Gerard I.

2014-03-24T23:59:59.000Z

410

fi 1 1er fvrier 2005 page 1 Prochaines parutions  

E-Print Network [OSTI]

L'EIA-FR a amorcé un processus de certification ISO 9001: 2000 ap- pelé Gestion par la qualité. La

411

INSTITUTE OF GERONTOLOGY CoLUMNS, The bysla er enecl  

E-Print Network [OSTI]

think of death as an endpoint," she said. "If you smoke too much, you die; or if you eat fatty food pastors can improve their service toward grievingfami lies-rather than expecting hospitals to handle

Arnold, Jonathan

412

ALGEBRA LINEAL I 1er Curso de CC. Fisicas.  

E-Print Network [OSTI]

´on correcta del resultado. 3. Dados S1 = L 1 2 3 4 , 1 0 3 0 M2?2(R) S2 = L 0 0 1 2 , 1 1 3 2 M2?2(R) a) Hallar razonadamente una base de S1 + S2. b) Hallar razonadamente una base de un complementario de S1 + S considerar´a nulo). a) |A| = |At | b) Demostrar que n vectores independientes de Rn son una base de Rn . #12;

Guijarro, Luis

413

Revue XYZ N 110 1er trimestre 2007 45  

E-Print Network [OSTI]

Sketchup et AutoCAD avec les données mesurées afin d'obtenir un modèle dans le format VRML. Le modèle

Paris-Sud XI, Université de

414

A Science Service Feature 1 WHY THE XEATIfER ?  

E-Print Network [OSTI]

supplies the vapor for condensation in the (Tomorrow: "A Cool Dry Place") All rights reserved by Science~nerdlYre- verse its direction and start rapidly upward and towards the storm. heavy cloud a stream of cool air

415

8 | harriman magazine By ROnALD MEyER  

E-Print Network [OSTI]

for just over a year now, stationed in both Washington, D.C., and Almaty, Kazakhstan. What is the mission about economic development in Kazakhstan. The article you're referring to was an op-ed I produced for the EUROBAK (European Business Association of Kazakhstan) Global Monitor, a business magazine based

Qian, Ning

416

SECTION D'TUDES ALLEMANDES Guide du 1er  

E-Print Network [OSTI]

ACAD?MIQUES ? titre de technicienne en gestion des dossiers étudiants, Mme Egidie Kaligirwa accueille et

Parrott, Lael

417

The Er3+ : Y2O3 Ceramic System  

E-Print Network [OSTI]

for the thermal expansion coefficient for ceramic yttria orthermal-effect on the refractive index of the similar ceramiceven manage thermal effects to an extent. The use of ceramic

Joshi, Abhijeet

2012-01-01T23:59:59.000Z

418

FINAL REPORT DE-FG02-07ER15894  

SciTech Connect (OSTI)

One of the greatest technological hurdles to deployment of fuel cells relates to the sluggish activity, low durability and the high cost of the catalysts that are currently employed. For automotive PEM fuel cells to become commercially viable, the Pt-specific power density would need to be reduced to less than 0.2gPt/kW (at cell voltages >0.65 V). This would require the Pt loadings to be less than 0.15 mgPt/cm2MEA within the membrane electrode assembly. This could be achieved by enhancing the catalytic activity at the cathode, thus lowering its overpotential. Various different Pt-alloys have shown 2-4 times enhanced activities over Pt alone but still suffer some of the same durability issues as that of the pure Pt. There is a general loss of active Pt due to dissolution and sintering. While there have been a number of elegant fundamental experimental and theoretical studies on ideal single crystal Pt and Pt alloy surfaces which have helped to elucidate the factors that control the activity, there have been very few fundamental studies focused on the stability, reactivity and durability of well-defined Pt nanoparticles. We carried out ab initio density functional theory together with a novel double reference method that we developed to simulate constant potential electrochemical systems in order to model the electrocatalytic reduction of oxygen over model Pt alloy surfaces and nanoparticles. These simulations were used to probe the factors that control the electrocatalytic activity, guide the potential selection of new materials and test their stability under reaction conditions. Ab initio calculations were used to determine the reaction energies and activation barriers for a comprehensive array of different elementary adsorption, desorption, surface reaction and diffusion steps over Pt and Pt alloys involved in the electroreduction of oxygen as a function of surface coverage, the electrochemical potential and temperature. The calculations were used to simulate the potential dependent adsorption and surface reaction energies along with activation barriers in order to determine the kinetics for different surface structures and structural features (step edge and corner sites) to provide the necessary input for kinetic Monte Carlo simulations to follow the rates of reaction. More coarse-grained simulated annealing methods were used to help establish the lowest energy structures and morphologies for different Pt and Pt-alloy nanoparticles that form. The results from the DFT calculations were used to establish an ab initio-derived kinetic database that was used in both 2D and 3D kinetic Monte Carlo simulations that were used to follow the electrocatalytic performance over different particle sizes, shapes and compositions. The ab initio calculations together with the kinetic Monte Carlo simulations were used to complete the following objectives: 1) Determine the controlling elementary reaction pathways and intrinsic kinetics involved in ORR and their potential dependent behavior; 2) Establish the influence of the extrinsic reaction environment including surface structure, alloy composition and spatial arrangement and the humidity on ORR kinetics; 3) Elucidate the effects of particle size and morphology as well as the atomic structure and composition of nanoparticles of Pt, Pt3Co, Pt3Ni, Pt3Fe and other Pt-alloys on the electrocatalytic activity and reaction selectivity; 5) Construct surface Pourbaix phase diagrams for different Pt and Pt-alloys in order to map out the most stable surface phases for different material compositions and reaction conditions; 6) Elucidate the mechanisms that control dissolution and re-deposition of Pt.

Neurock, Matthew [Department of Chemical Engineering, University of Virginia

2013-05-31T23:59:59.000Z

419

UNIVERSIT E PARIS DIDEROT DEPARTEMENT DE FORMATION 1ER CYCLE  

E-Print Network [OSTI]

vectoriel . . . . . . . . . . . . . . . . . . . . . . . . . 16 1.2.4 Propri´et´es et th´eor.3.2 Invariance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 2.4 Th´eor`eme de ´electrique et th´eor`eme de Gauss . . . . . . . . . . . . . . . . . 42 2.4.2 Application du th´eor`eme de

Casse, Fabien

420

Interoperability Mapping from XML Schemas to ER Diagrams  

E-Print Network [OSTI]

of a DBMS). In this paper, we introduce a technique called Xere (XML Entity Relationship Exchange) to assist. Key words: Data Models, Schema Evolution and Maintenance, Interoperability and Heterogeneity, Web, as the next step of its evolution, it is being adopted also for data description and manipulation

Tronci, Enrico

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Fron%ers in Biological Sciences Seminar Series  

E-Print Network [OSTI]

of a complex network of chemical reactions, which provides the cell with a reliable supply of energy and building blocks. Learning how this network responds to environmental and genetic perturbations metabolic and infectious diseases, and for metabolic engineering of industrially important microbes

422

Compact, stable 1 ghz femtosecond er-doped fiber lasers  

E-Print Network [OSTI]

We demonstrate a high-repetition-rate soliton fiber laser that is based on highly-doped anomalously-dispersive erbium-doped fiber. By splicing an 11-mm single mode fiber to the erbium-doped fiber, thermal damage of the ...

Byun, Hyunil

423

ER85357_Phase2_Eltron | netl.doe.gov  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

The fastest growing source of produced water originates from capture of hydrocarbons from coalbed methane and shale gas reserves. Economic and environmentally responsible treatment...

424

UNIVERSITAT POLIT`ECNICA DE CATALUNYA ETSEIB, 1ER CURS  

E-Print Network [OSTI]

´icita dels seg¨uents plans: (i) El pla per (8, 1, 0), (2, -1, 3), (6, 2, 1). (ii) El pla per (1, 0, 1) paral bisequen als de (i),(ii). 5. (i) Trobeu l'equaci´o impl´icita del pla 1 que passa pels punts P1 = (4, 0, 3), P2 = (1, -1, 2), P3 = (5, 5, 0). (ii) Trobeu l'equaci´o param`etrica del pla 2 : 2x + 2y - z = 1

Casanellas, Marta

425

Final Tech Rept DOE_ER_64699_1  

Office of Scientific and Technical Information (OSTI)

and nuclear m edicine initiatives through other federally funded agencies such as NIH and DoD. New reactions involving the use of 18FF2 gas will lead to direct labeling of...

426

EERE PROJECT M AN AG EM ENT CENT ER  

Broader source: Energy.gov (indexed) [DOE]

concerning tbe proposed action, as NEPA Compliance Officer (authorized under DOE Order 451.iA). I have made Ibe following determination: ex, EA, IS APPENDIX AND NUMBER:...

427

The ER = EPR conjecture and the Schwinger Effect  

E-Print Network [OSTI]

In this note we point out that the recently proposed bulk dual of an entangled pair of a quark and an anti-quark corresponds to the Lorentzian continuation of the tunneling instanton describing Schwinger pair creation in the dual field theory. This observation supports and further explains the claim by Jensen & Karch that the bulk dual of an EPR pair is a string with a wormhole on its world sheet. We suggest that this constitutes an AdS/CFT realization of the creation of a Wheeler wormhole.

Sonner, Julian

2013-01-01T23:59:59.000Z

428

Norwegian Language description of Jacobs University Hva er Jacobs University?  

E-Print Network [OSTI]

underviser tverrfaglig og deltar i forskningen ved Description of Jacobs University. Jacobs University tilbyr 2006 tilbyr Jacobs University mangfoldige muligheter til å lære av hverandre og leve sammen. Fordelen

429

Final report on DOE ASCR Grant DESC0001862 (ER25894)  

SciTech Connect (OSTI)

As was outlined in the proposal, the overall objective of this project is to investigate advanced optimization algorithms for solving entropy maximization problems. Entropy maximization is a general tool for reconstructing the least biased estimate of the state of a complex system, based on available information. In transport and kinetic theory, entropy maximization is used to derive closures for moment models in order to reduce the complexity of a kinetic description while maintaining many of its fundamental features. Application areas include gas dynamics, charged-particle transport, thermal radiative transfer, and neutron transport. Some such applications are of prime importance to the Department of Energy.

Tits, Andre L [Univ of Maryland, ECE Dept; O'Leary, Dianne P [Univ of Maryland, CS Dept

2013-08-28T23:59:59.000Z

430

Combined Transistor Sizing with Bu er Insertion for Timing Optimization  

E-Print Network [OSTI]

, to achieve bet- ter power-delay and area-delay tradeo s. The delay model incorporates placement-based information and the e ect of input slew rates on gate delays. The re- sults obtained by using the new method gate Gi is mod- eled by an equivalent inverter. The relation between the gate sizes in the equivalent

Sapatnekar, Sachin

431

DOE-ER-STD-6001-92 | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "of EnergyEnergyENERGYWomentheATLANTA, GA - U.S. Departmentto DevelopMark Duff (LATA KY),|March 12, 1996

432

CNSS Papers CI Siegfried S. Hecl^er  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed New Substation Sites Proposed Route BTRIC CNMS CSMBLyndaHigh-FidelityNuclearCNSS

433

Final Report DE-FG02-97ER62475  

SciTech Connect (OSTI)

This project began with the simple goal of trying to understand the diversity of dissimilatory metal-reducing microorganisms that might be found in subsurface environments. It ended with a sophisticated understanding not only of what microorganisms are important for metal reduction in uranium-contaminated subsurface environments, but also their physiological status during in situ uranium bioremediation. These findings have provided unprecedented insight into uranium bioremediation and the methods by which this process might be optimized. A brief summary of the major accomplishments of the project is given.

Lovley, Derek, R.

2008-03-12T23:59:59.000Z

434

Final Report DE-FG02-04ER63719  

SciTech Connect (OSTI)

The studies completed under this grant significantly advanced the understanding and design of strategies for in situ uranium bioremediation. Novel strategies identified show promise to make in situ uranium bioremediation technically simpler and less expensive. As detailed, important findings included: (1) Development of an electron donor delivery strategy to prolong the in situ activity of Geobacter species and enhance the removal of uranium from the groundwater; (2) Demonstration that reproducible year-to-year field experiments were possible at the ERSP study site in Rifle, CO, making hypothesis-driven field experimentation possible; (3) Elucidation of the geochemical and microbiological heterogeneities with the subsurface during in situ uranium bioremediation, which must be accounted for to accurately model the bioremediation process; (4) The discovery that most of the U(VI) contamination at the Rifle site is sediment-associated rather than mobile in the groundwater, as previously considered; (5) The finding that unlike soluble U(VI), sediment-associated U(VI) is not microbially reducible; (6) The demonstration that electrodes may be an effective alternative to acetate as an electron donor to promote microbial U(VI) reduction in the subsurface with the added benefit that electrode-promoted microbial U(VI) reduction offers the possibility of removing the immobilized uranium from the subsurface; and (7) The finding that, after extended acetate inputs, U(VI) continues to be removed from groundwater long after the introduction of acetate into the subsurface is terminated and that this appears to be due to adsorption onto biomass. This potentially will make in situ uranium bioremediation much less expensive than previously envisioned.

Lovley, Derek, R.

2008-03-12T23:59:59.000Z

435

The Daily ER Retro Report 05-23-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

140 99 483 924 800 1406 818 447 HE02 140 99 450 699 770 1482 826 419 HE03 170 95 650 439 838 1747 615 404 HE04 170 93 342 543 853 1746 573 409 HE05 170 94 42 931 629 1610 841 468...

436

Microsoft Word - McDermott_Er_v4.doc  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces andMappingENVIRONMENTALHYDROPOWERFebruarySave the OctoberClosureusing7R C

437

DOE/ER-0382 THE HUMAN GENOME INITIATIVE OF THE  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phases onOrganizationElectronic Reading2Q)382 THE HUMAN GENOME INITIATIVE

438

DOE/ER-0441 Atmospheric Radiation Measurement Plan - February 1990  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phases onOrganizationElectronic Reading2Q)382 THE HUMAN GENOME

439

DOE/El%0455P DOE/ER--0455P  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phases onOrganizationElectronic Reading2Q)382 THE HUMANlviA,'{ '297

440

The Daily ER Retro Report 05-18-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0 98 251 11

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

The Daily ER Retro Report 05-19-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0 98 251

442

The Daily ER Retro Report 05-20-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0 98 2519

443

The Daily ER Retro Report 05-21-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0 98 251971

444

The Daily ER Retro Report 05-22-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0 98 2519710

445

The Daily ER Retro Report 05-23-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0 98

446

The Daily ER Retro Report 05-24-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0 9890 100

447

The Daily ER Retro Report 05-25-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0 9890 10015

448

The Daily ER Retro Report 05-26-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0 9890

449

The Daily ER Retro Report 06-02-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0 9890600

450

The Daily ER Retro Report 06-05-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0 9890600495

451

The Daily ER Retro Report 06-06-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0

452

The Daily ER Retro Report 06-08-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0Total Wind

453

The Daily ER Retro Report 06-09-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0Total

454

The Daily ER Retro Report 06-24-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0Total89 0

455

The Daily ER Retro Report 06-25-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0Total89 069

456

The Daily ER Retro Report 06-26-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0Total89

457

The Daily ER Retro Report 06-27-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0Total896 0

458

The Daily ER Retro Report 06-28-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0Total896

459

The Daily ER Retro Report 06-29-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0Total8969 0

460

The Daily ER Retro Report 06-30-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches andDeveloping0Total8969

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

The Daily ER Retro Report 07-01-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches

462

The Daily ER Retro Report 07-02-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches201 0 45 33 721 2000 -68

463

The Daily ER Retro Report 07-05-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches201 0 45 33 721 20000 205

464

The Daily ER Retro Report 07-06-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches201 0 45 33 721 20000 2056

465

The Daily ER Retro Report 07-07-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches201 0 45 33 721 20000

466

The Daily ER Retro Report 07-10-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches201 0 45 33 721 200001 198

467

The Daily ER Retro Report 3-27-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches201 0 45 33 721 200001

468

The Daily ER Retro Report 3-27-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches201 0 45 33 721 2000013

469

The Daily ER Retro Report 3-29-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches201 0 45 33 721 2000013122

470

The Daily ER Retro Report 3-30-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches201 0 45 33 721

471

The Daily ER Retro Report 3-31-11.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism in Layered NbS2 and NbSe2 .2004Theapproaches201 0 45 33 7212 296 749

472

I I DOE/ER/13564--7  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation ProposedUsingFun withconfinementEtching. | EMSL Bubblesstructure eind ExcBAECC: - _;

473

ARM - Field Campaign - AERI-ER Intercomparison IOP  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered‰PNGExperience4AJ01)3, 2010September 30,JuneMay 15,October 6,2 NEAQS

474

FINAL ENVIRONMENTAL IMPACT STATEMENT HAYDEN-BLUE RIV ER  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of Inspector General Office of Audit|Department ofof Energy Offers Training on the63 - In

475

Grant No. DE-FG03-86ER-13469  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation ProposedUsingFun with Big Sky LearningGet AssistanceCatalyticNational Renewable Fuel

476

Grant No. DE=FG03=86ER113469  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation ProposedUsingFun with Big Sky LearningGet AssistanceCatalyticNational Renewable Fuel Annual

477

02-10ER85986 | netl.doe.gov  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered‰PNG IHDR€ÍSolar Energy41 (Dollars and Sense(ANL-IN-03-032)43 ---6, 2 Swellable

478

DOE DE-FG02-07ER64341  

Office of Scientific and Technical Information (OSTI)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinan antagonist Journal Article: Crystal structureComposite-- Energy,Converting to5994DOE Award

479

Final_report_DE-FG02-07ER64389  

Office of Scientific and Technical Information (OSTI)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinan antagonist Journal Article: Crystal structureComposite--FOR IMMEDIATEDOEFinal R eport f or E

480

ER85357_Phase2_Eltron | netl.doe.gov  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed NewcatalystNeutronEnvironment >Dange1·DangerEPADetection R. De Souza 1

Note: This page contains sample records for the topic "ref er ence" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

Audit Report: ER-FS-99-01  

Broader source: Energy.gov (indexed) [DOE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarly Career Scientists' ResearchTheMarketing, Inc.mission of the AttenuationReportMarch 15, 19992,

482

Audit Report: ER-FS-99-03  

Office of Environmental Management (EM)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "of EnergyEnergy Cooperation |South42.2 (April 2012)Tie LtdAttend AMO Program PeerReportMA-95-0277-023S.

483

Audit Report: ER-FS-99-04  

Office of Environmental Management (EM)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "of EnergyEnergy Cooperation |South42.2 (April 2012)Tie LtdAttend AMO Program PeerReportMA-95-0277-023S.

484

The Enhanced E-R Model Define terms  

E-Print Network [OSTI]

, TRUCK, and MOTORCYCLE All these types of vehicles have common attributes #12;13 Figure 3-4 Example of Generalization (cont.) So we put the shared attributes in a supertype Note: no subtype for motorcycle, since MOTORCYCLE 14 Figure 3-5 Example of Specialization a) Entity type PART Applies only to manufactured parts

485

The Enhanced E-R Model ObjectivesObjectives  

E-Print Network [OSTI]

(Fig. 3 5) #12;Figure 3-4 Example of Generalization a) Three entity types: CAR, TRUCK, and MOTORCYCLE a supertype 1212 Note: no subtype for motorcycle, since it has no unique attributes, and it has no unique

486

Fron%ers in Biological Sciences Seminar Series  

E-Print Network [OSTI]

Lakes Bioenergy. More info? See http://www.bact.wisc.edu/faculty.php?init=TJD&show=PEP/ https://www.glbrc

487

PHYSICAL RE VIE% C VOLU ME 10, AUGUST 1974 Two-body short-range correlations and Coulomb matrix elements*  

E-Print Network [OSTI]

in Refs. 1 and 3. For com- parison, we give the values obtained using har- monic oscillator wave functions in the calculations of AWG. In the calculations of MW and AWG the (corre- lated) two-particle Bethe-Goldstone wave for the Coulomb interaction e'/r and h&u = 16.2 Mev. The relative starting energy is taken to be 8',,=E,,t -Er

Bertsch George F.

488

QUARTER SH OR T-T ER M EN ER GY OU TL OO K QUAR TERL Y PROJ  

Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) " ,"ClickPipelines AboutDecember 2005 (Thousand9,0,InformationU.S.Feet) Year Weekly7 (Released July 8,1

489

Phase equilibria in the quasi-ternary system Ag{sub 2}SeGa{sub 2}Se{sub 3}In{sub 2}Se{sub 3} and physical properties of (Ga{sub 0.6}In{sub 0.4}){sub 2}Se{sub 3}, (Ga{sub 0.594}In{sub 0.396}Er{sub 0.01}){sub 2}Se{sub 3} single crystals  

SciTech Connect (OSTI)

The quasi-ternary system Ag{sub 2}SeGa{sub 2}Se{sub 3}In{sub 2}Se{sub 3} was investigated by differential thermal, X-ray phase, X-ray structure, microstructure analysis and microhardness measurements. Five quasi-binary phase diagrams, six polythermal sections, isothermal section at 820 K and the liquidus surface projection were constructed. The character and temperature of the invariant processes were determined. The specific resistance of the single crystals (Ga{sub 0.6}In{sub 0.4}){sub 2}Se{sub 3}, (Ga{sub 0.594}In{sub 0.396}Er{sub 0.01}){sub 2}Se{sub 3} was measured, 7.510{sup 5} and 3.1510{sup 5} ? m, respectively, optical absorption spectra in the 6001050 nm range were recorded at room temperature, and the band gap energy was estimated which is 1.950. 01 eV for both samples. - Graphical abstract: The article reports for the first time the investigated liquidus surface projection of the Ag{sub 2}SeGa{sub 2}Se{sub 3}In{sub 2}Se{sub 3} system and isothermal section at 820 K of the system. Five phase diagrams, six polythermal sections, isothermal section at 820 K and the liquidus surface projection were built at the first time. The existence of the large region of the solid solutions based on AgIn{sub 5}Se{sub 8}, Ga{sub 2}Se{sub 3} and AgGa{sub 1?x}In{sub x}Se{sub 2} was investigated. The existence of two ternary phases was established in the Ga{sub 2}Se{sub 3}In{sub 2}Se{sub 3} system. Two single crystals (Ga{sub 0.6}In{sub 0.4}){sub 2}Se{sub 3}, (Ga{sub 0.594}In{sub 0.396}Er{sub 0.01}){sub 2}Se{sub 3} were grown and some of optical properties of them were studied at first time. Display Omitted - Highlights: Liquidus surface projection was built for Ag{sub 2}SeGa{sub 2}Se{sub 3}In{sub 2}Se{sub 3} system. Solid solution ranges of AgIn{sub 5}Se{sub 8}, Ga{sub 2}Se{sub 3} and AgGa{sub 1?x}In{sub x}Se{sub 2} were investigated. Two single crystals (Ga{sub 0.6}In{sub 0.4}){sub 2}Se{sub 3}, (Ga{sub 0.594}In{sub 0.396}Er{sub 0.01}){sub 2}Se{sub 3} were grown. Some optical properties of these single crystals were studied.

Ivashchenko, I.A., E-mail: inna.ivashchenko@mail.ru [Department of Inorganic and Physical Chemistry, Eastern European National University, Voli Ave 13, Lutsk 43025 (Ukraine); Danyliuk, I.V.; Olekseyuk, I.D. [Department of Inorganic and Physical Chemistry, Eastern European National University, Voli Ave 13, Lutsk 43025 (Ukraine); Halyan, V.V. [Department of General Physics, Eastern European National University, Voli Ave 13, Lutsk 43025 (Ukraine)

2014-02-15T23:59:59.000Z

490

Synthesis and morphology of Ba{sub 1-x}RE{sub 2x/3}Nb{sub 2}O{sub 6} nanocrystals with tungsten bronze structure in RE{sub 2}O{sub 3}-BaO-Nb{sub 2}O{sub 5}-B{sub 2}O{sub 3} glasses (RE: Sm, Eu, Gd, Dy, Er)  

SciTech Connect (OSTI)

Ba{sub 1-x}RE{sub 2x/3}Nb{sub 2}O{sub 6} nanocrystals with a tetragonal tungsten bronze (TTB) structure are synthesized using a conventional glass crystallization technique in 2.3RE{sub 2}O{sub 3}-27.4BaO-34.3Nb{sub 2}O{sub 5}-36B{sub 2}O{sub 3} (mol%) (RE=Sm, Eu, Gd, Dy, and Er) glasses. One sharp crystallization peak is observed at {approx}670 Degree-Sign C in both powdered and bulk glasses, and the formation of Ba{sub 1-x}RE{sub 2x/3}Nb{sub 2}O{sub 6} nanocrystals with unit cell parameters of a{approx}1.24 nm and c{approx}0.39 nm was confirmed. It is found from high resolution transmission electron microscope observations that the morphology of Ba{sub 1-x}RE{sub 2x/3}Nb{sub 2}O{sub 6} nanocrystals is ellipsoidal. Their average particle size is in the range of 15-60 nm and decreases with decreasing ionic radius of RE{sup 3+} being present in the precursor glasses. The optical transparent crystallized glass (bulk) shows the total photoluminescence (PL) quantum yield of 53% in the visible region of Eu{sup 3+} ions, suggesting a high potential of Ba{sub 1-x}RE{sub 2x/3}Nb{sub 2}O{sub 6} nanocrystals as PL materials. - Graphical abstract: This figure shows a TEM photograph for the heat-treated (667 Degree-Sign C, 3 h) sample of 2.3Dy{sub 2}O{sub 3}-27.4BaO-34.3Nb{sub 2}O{sub 5}-36B{sub 2}O{sub 3}. An ellipsoidal-shaped Ba{sub 1-x}Dy{sub 2x/3}Nb{sub 2}O{sub 6} nanocrystal with diameters of 17 and 28 nm is observed. The ellipsoidal morphology is a common feature in Ba{sub 1-x}RE{sub 2x/3}Nb{sub 2}O{sub 6} nanocrystals synthesized by the crystallization of 2.3RE{sub 2}O{sub 3}-27.4BaO-34.3Nb{sub 2}O{sub 5}-36B{sub 2}O{sub 3} glasses. Highlights: Black-Right-Pointing-Pointer Ba{sub 1-x}RE{sub 2x/3}Nb{sub 2}O{sub 6} nanocrystals with a tetragonal tungsten bronze structure are synthesized. Black-Right-Pointing-Pointer A glass crystallization technique was applied. Black-Right-Pointing-Pointer The morphology of Ba{sub 1-x}RE{sub 2x/3}Nb{sub 2}O{sub 6} nanocrystals is ellipsoidal. Black-Right-Pointing-Pointer The average particle size with 15-60 nm decreases with decreasing ionic radius of RE{sup 3+}. Black-Right-Pointing-Pointer Ba{sub 1-x}RE{sub 2x/3}Nb{sub 2}O{sub 6} nanocrystals have a high potential as photoluminescence materials.

Ida, H.; Shinozaki, K.; Honma, T.; Oh-ishi, K. [Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka-cho, Nagaoka 940-2188 (Japan)] [Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka-cho, Nagaoka 940-2188 (Japan); Komatsu, T., E-mail: komatsu@mst.nagaokaut.ac.jp [Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka-cho, Nagaoka 940-2188 (Japan)

2012-12-15T23:59:59.000Z

491

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1955-01-01T23:59:59.000Z

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