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Note: This page contains sample records for the topic "white pelican pelecanus" 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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1

Pelican Utility | 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 CenterFranconia, Virginia: Energy ResourcesLoading map...(UtilityCounty,OrleansPassadumkeag, Maine:PawneeAS Address:Pelican Utility Jump

2

East versus West: Organic contaminant differences in brown pelican (Pelecanus occidentalis) eggs from South Carolina, USA and the Gulf of California, Mexico  

E-Print Network [OSTI]

by organochlorine contaminants, such as DDT. The southeast pop- ulation, P.o. carolinensis, was delisted in 1985, while the west coast population, P.o. californicus, was not delisted until 2009. As fish-eating coastal.o. carolinensis) was delisted in 1985 (Potter and Department of the Interior, Fish and Wildlife Service, 1985), bu

Jodice, Patrick

3

THE NORTH AMERICAN AND PELICAN NEBULAE. II. MIPS OBSERVATIONS AND ANALYSIS  

SciTech Connect (OSTI)

We present observations of {approx}7 deg{sup 2} of the North American and Pelican Nebulae region at 24, 70, and 160 {mu}m with the Spitzer Space Telescope Multiband Imaging Photometer for Spitzer (MIPS). We incorporate the MIPS observations with earlier Spitzer Infrared Array Camera (IRAC) observations, as well as archival near-infrared (IR) and optical data. We use the MIPS data to identify 1286 young stellar object (YSO) candidates. IRAC data alone can identify 806 more YSO candidates, for a total of 2076 YSO candidates. Prior to the Spitzer observations, there were only {approx}200 YSOs known in this region. Three subregions within the complex are highlighted as clusters: the Gulf of Mexico, the Pelican, and the Pelican's Hat. The Gulf of Mexico cluster is subject to the highest extinction (A{sub V} at least {approx}30) and has the widest range of infrared colors of the three clusters, including the largest excesses and by far the most point-source detections at 70 {mu}m. Just 3% of the cluster members were previously identified; we have redefined this cluster as about 10-100 times larger (in projected area) than was previously realized.

Rebull, L. M.; Stauffer, J. R.; Noriega-Crespo, A.; Carey, S. J.; Padgett, D. L. [Spitzer Science Center/Caltech, M/S 220-6, 1200 East California Boulevard, Pasadena, CA 91125 (United States); Guieu, S. [European Southern Observatory, Alonso de Cordova 3107, Vitacura, Santiago (Chile); Hillenbrand, L. A.; Carpenter, J. M. [Department of Astronomy, California Institute of Technology, Pasadena, CA 91125 (United States); Stapelfeldt, K. R. [Jet Propulsion Laboratory, MS 183-900, California Institute of Technology, Pasadena, CA 91109 (United States); Cole, D. M. [Raytheon, Pasadena, CA (United States); Strom, S. E.; Wolff, S. C., E-mail: luisa.rebull@jpl.nasa.gov [NOAO, Tucson, AZ (United States)

2011-04-01T23:59:59.000Z

4

PROC. S. D. ACAD. SCI., VOL. 53 U9i41 REPRODUCTION OF WHITE PELICANS  

E-Print Network [OSTI]

, and by the late 1800's to early 1900's all of the South Dakota colonies were abandoned (Adolphson and Adolphson although non-breeding birds and mi- grants could be found on lakes and reservoirs of eastern South Dakota

5

White Roofs  

ScienceCinema (OSTI)

Secretary Steven Chu discusses the benefits of switching to white roofs and light colored pavements.

Chu, Steven

2013-05-29T23:59:59.000Z

6

Franny White  

Broader source: Energy.gov [DOE]

Franny White is a News & Media Relations Specialist at the Energy Department’s Pacific Northwest National Laboratory.

7

White Day  

E-Print Network [OSTI]

but also to their male co-workers. Men have White Day a month later on March 14th. Created by a sweets manufacturer in 1980 to boost sales, White Day is more of a marketing ploy than a holiday. On White Day, you will see men scurrying about purchasing giri...

Hacker, Randi

2010-05-05T23:59:59.000Z

8

Daniel White  

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

Daniel White About ESnet Our Mission The Network ESnet History Governance & Policies Career Opportunities ESnet Staff & Org Chart Administration Advanced Network Technologies...

9

White Rock  

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

Furnished house for rent in rural White Rock Bright and sunny Ideal for a young family Safe neighborhood 10 min drive to LANL 1300 per month, basic utilities included 1180 sq ft....

10

Daniel White  

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 JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOffice ofINL is a U.S.11-26-20131 10Daniel White

11

Parentage in White Sturgeon  

E-Print Network [OSTI]

Final Report R/AQ-131 Parentage in White Sturgeon Bernie Mayassignment of farmed white sturgeon to 95%. Project Goalsfamily cohorts of farmed white sturgeon for the purpose of

May, Bernie

2012-01-01T23:59:59.000Z

12

White sponge nevus  

E-Print Network [OSTI]

17. Lamey PJ, et al. Oral White sponge naevus: response to140 4. Frithiof L, Banoczy J. White sponge nevus (leukoedema5. Jorgensen RJ, Levin S. White sponge nevus. Arch Dermatol

Dadlani, Chicky; Mengden, Stephanie; Kerr, A Ross

2008-01-01T23:59:59.000Z

13

DOUGLASR. WHITE MICHAELL. BURTON  

E-Print Network [OSTI]

DOUGLASR. WHITE MICHAELL. BURTON University of California, Irvine Causes of Polygyny: Ecology-wives, and with a pattern of aloofness between hus- bands and wives (Whiting and Whiting 1975). Nineteenth

White, Douglas R.

14

Oversimplification: a reply to White  

E-Print Network [OSTI]

Unfavoured. Analysis 68: ?? -?? White, R. 2005. Why favourOversimplification: a reply to White Nathan Robert Smith Whyfavour simpler hypotheses? Roger White has argued ‘that the

Smith, Nathan Robert

2008-01-01T23:59:59.000Z

15

Brendan M. White  

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

Brendan M. White About ESnet Our Mission The Network ESnet History Governance & Policies Career Opportunities ESnet Staff & Org Chart Administration Advanced Network Technologies...

16

ASTRO-H White Paper - White Dwarf  

E-Print Network [OSTI]

Interacting binaries in which a white dwarf accretes material from a companion --- cataclysmic variables (CVs) in which the mass loss is via Roche-lobe overflow, and symbiotic stars in which the white dwarf captures the wind of a late type giant --- are relatively commonplace. They display a wide range of behaviors in the optical, X-rays, and other wavelengths, which still often baffles observers and theorists alike. They are likely to be a significant contributor to the Galactic ridge X-ray emission, and the possibility that some CVs or symbiotic stars may be the progenitors of some of the Type Ia supernovae deserves serious consideration. Furthermore, these binaries serve as excellent laboratories in which to study physics of X-ray emission from high density plasma, accretion physics, reflection, and particle acceleration. ASTRO-H is well-matched to the study of X-ray emission from many of these objects. In particular, the excellent spectral resolution of the SXS will enable dynamical studies of the X-ray e...

Mukai, K; Harayama, A; Hayashi, T; Ishida, M; Long, K S; Terada, Y; Tsujimoto, M

2014-01-01T23:59:59.000Z

17

White light velocity interferometer  

DOE Patents [OSTI]

The invention is a technique that allows the use of broadband and incoherent illumination. Although denoted white light velocimetry, this principle can be applied to any wave phenomenon. For the first time, powerful, compact or inexpensive sources can be used for remote target velocimetry. These include flash and arc lamps, light from detonations, pulsed lasers, chirped frequency lasers, and lasers operating simultaneously in several wavelengths. The technique is demonstrated with white light from an incandescent source to measure a target moving at 16 m/s.

Erskine, David J. (Oakland, CA)

1997-01-01T23:59:59.000Z

18

White light velocity interferometer  

DOE Patents [OSTI]

The invention is a technique that allows the use of broadband and incoherent illumination. Although denoted white light velocimetry, this principle can be applied to any wave phenomenon. For the first time, powerful, compact or inexpensive sources can be used for remote target velocimetry. These include flash and arc lamps, light from detonations, pulsed lasers, chirped frequency lasers, and lasers operating simultaneously in several wavelengths. The technique is demonstrated with white light from an incandescent source to measure a target moving at 16 m/s. 41 figs.

Erskine, D.J.

1997-06-24T23:59:59.000Z

19

White light velocity interferometer  

DOE Patents [OSTI]

The invention is a technique that allows the use of broadband and incoherent illumination. Although denoted white light velocimetry, this principle can be applied to any wave phenomenon. For the first time, powerful, compact or inexpensive sources can be used for remote target velocimetry. These include flash and arc lamps, light from detonations, pulsed lasers, chirped frequency lasers, and lasers operating simultaneously in several wavelengths. The technique is demonstrated with white light from an incandescent source to measure a target moving at 16 m/s.

Erskine, David J. (Oakland, CA)

1999-01-01T23:59:59.000Z

20

White light velocity interferometer  

DOE Patents [OSTI]

The invention is a technique that allows the use of broadband and incoherent illumination. Although denoted white light velocimetry, this principle can be applied to any wave phenomenon. For the first time, powerful, compact or inexpensive sources can be used for remote target velocimetry. These include flash and arc lamps, light from detonations, pulsed lasers, chirped frequency lasers, and lasers operating simultaneously in several wavelengths. The technique is demonstrated with white light from an incandescent source to measure a target moving at 16 m/s. 41 figs.

Erskine, D.J.

1999-06-08T23:59:59.000Z

Note: This page contains sample records for the topic "white pelican pelecanus" 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

Sandia National Laboratories: White Light Creation Architectures  

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

TechnologiesWhite Light Creation Architectures White Light Creation Architectures Overview of SSL White Light Creation Architectures The entire spectral range of visible light can...

22

White Baneberry and Red Baneberry  

E-Print Network [OSTI]

1 White Baneberry and Red Baneberry Actaea pachypoda and Actaea rubra buttercup family (ranunculaceae) both white baneberry and red baneberry are poisonous plants native to the northeast inhabit swamps. Range: white baneberry--parts of the canadian mari- times and the southern border

Landweber, Laura

23

White Ranch Wetlands Biological Survey  

E-Print Network [OSTI]

White Ranch Wetlands Biological Survey and Permanent Vegetation Monitoring Plots Prepared for: U Services Building Colorado State University Fort Collins, CO 80523 March 1998 #12;WHITE RANCH WETLANDS assessment of the White Ranch wetlands. In addition we set up permanent plots along transects to collect

24

Biographical Sketch DOUGLAS R. WHITE  

E-Print Network [OSTI]

Biographical Sketch DOUGLAS R. WHITE i. Professional Preparation University of Minnesota. Murdock and Douglas R. White. Social Dynamics and Complexity eScholarship Repositories http://repositories.cdlib.org/imbs/socdyn/wp/Standard_Cross-Cultural_Sample/ 2007 Role Models for Complex Networks, Joerg Reichart and Douglas R. White. European Physical Journal B

White, Douglas R.

25

White Papers | Princeton Plasma Physics Lab  

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

White Papers Subscribe to RSS - White Papers Image: There is currently no content classified with this term....

26

DUSEL Theory White Paper  

E-Print Network [OSTI]

The NSF has chosen the site for the Deep Underground Science and Engineering Laboratory (DUSEL) to be in Lead, South Dakota. In fact, the state of South Dakota has already stepped up to the plate and contributed its own funding for the proposed lab, see http://www.sanfordlaboratoryathomestake.org/index.html. The final decision by NSF for funding the Initial Suite of Experiments for DUSEL will be made early in 2009. At that time the NSF Science Board must make a decision. Of order 200 experimentalists have already expressed an interest in performing experiments at DUSEL. In order to assess the interest of the theoretical community, the Center for Cosmology and Astro-Particle Physics (CCAPP) at The Ohio State University (OSU) organized a 3-day DUSEL Theory Workshop in Columbus, Ohio from April 4 - 6, 2008. The workshop focused on the scientific case for six proposed experiments for DUSEL: long baseline neutrino oscillations, proton decay, dark matter, astrophysical neutrinos, neutrinoless double beta decay and N-Nbar oscillations. The outcome of this workshop is the DUSEL Theory White paper addressing the scientific case at a level which may be useful in the decision making process for policy makers at the NSF and in the U.S. Congress. In order to assess the physics interest in the DUSEL project we have posted the DUSEL Theory White paper on the following CCAPP link http://ccapp.osu.edu/whitepaper.html . Please read the white paper and, if you are interested, use the link to show your support by co-signing the white paper.

S. Raby; T. Walker; K. S. Babu; H. Baer; A. B. Balantekin; V. Barger; Z. Berezhiani; A. de Gouvea; R. Dermisek; A. Dolgov; P. Fileviez Perez; G. Gabadadze; A. Gal; P. Gondolo; W. Haxton; Y. Kamyshkov; B. Kayser; E. Kearns; B. Kopeliovich; K. Lande; D. Marfatia; R. N. Mohapatra; P. Nath; Y. Nomura; K. A. Olive; J. Pati; S. Profumo; R. Shrock; Z. Tavartkiladze; K. Whisnant; L. Wolfenstein

2008-10-24T23:59:59.000Z

27

White Dwarfs in Globular Clusters  

E-Print Network [OSTI]

We review empirical and theoretical findings concerning white dwarfs in Galactic globular clusters. Since their detection is a critical issue we describe in detail the various efforts to find white dwarfs in globular clusters. We then outline the advantages of using cluster white dwarfs to investigate the formation and evolution of white dwarfs and concentrate on evolutionary channels that appear to be unique to globular clusters. We also discuss the usefulness of globular cluster white dwarfs to provide independent information on the distances and ages of globular clusters, information that is very important far beyond the immediate field of white dwarf research. Finally, we mention possible future avenues concerning globular cluster white dwarfs, like the study of strange quark matter or plasma neutrinos.

S. Moehler; G. Bono

2011-06-30T23:59:59.000Z

28

THE WHITE HOUSE  

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 Security AdministrationcontrollerNanocrystallineForeign Object DamageSystemsU.S. TALKS1THE WHITE HOUSE Office

29

THE WHITE HOUSE  

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 Security AdministrationcontrollerNanocrystallineForeign Object DamageSystemsU.S. TALKS1THE WHITE HOUSE

30

THE WHITE HOUSE  

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 Security AdministrationcontrollerNanocrystallineForeign Object DamageSystemsU.S. TALKS1THE WHITE HOUSE

31

Brendan M. White  

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 JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to someone6 M.ExtracellularBradbury ScienceAntibacterialBrendan M. White

32

Demystifying White Spaces Xuemin Hongl  

E-Print Network [OSTI]

Demystifying White Spaces Xuemin Hongl , Cheng-Xiang Wangl , John Thompson2 , and Yan Zhang3 1Joint.wang@hw.ac.uk.john.thompson@ed.ac.uk. yanzhang@ieee.org Abstract-White spaces refer to the unused frequency voids across time or space. The vast existence of white spaces has been validated by many measurements and is widely regarded as an undesirable

Wang, Cheng-Xiang

33

SECOQC Business White Paper  

E-Print Network [OSTI]

In contemporary cryptographic systems, secret keys are usually exchanged by means of methods, which suffer from mathematical and technology inherent drawbacks. That could lead to unnoticed complete compromise of cryptographic systems, without a chance of control by its legitimate owners. Therefore a need for innovative solutions exists when truly and reliably secure transmission of secrets is required for dealing with critical data and applications. Quantum Cryptography (QC), in particular Quantum Key Distribution (QKD) can answer that need. The business white paper (BWP) summarizes how secret key establishment and distribution problems can be solved by quantum cryptography. It deals with several considerations related to how the quantum cryptography innovation could contribute to provide business effectiveness. It addresses advantages and also limitations of quantum cryptography, proposes a scenario case study, and invokes standardization related issues. In addition, it answers most frequently asked questions about quantum cryptography.

Solange Ghernaouti-Helie; Igli Tashi; Thomas Laenger; Christian Monyk

2009-04-27T23:59:59.000Z

34

Pink/White (ladies' only) Light Blue/White (ladies' only)  

E-Print Network [OSTI]

Pink/White (ladies' only) Light Blue/White (ladies' only) White/Stone Dill/Dark Green Slate Blue/Navy (men's only) Stone/Fawn Red/Black (men's only) Navy/White Black/Heather (men's only) Black/White with a delicate 4-button placket. Feminine fit that looks great tucked in or out. Ladies' Colors: Black/White

Wechsler, Risa H.

35

Red Giant Red Giant White Giant  

E-Print Network [OSTI]

Red Giant Red Giant White Giant Red Giant White Giant White Giant Blue Giant Blue Giant Blue Giant. Proxima Centauri, the closest star to the Sun, is a red giant. Mass: 1- 4 Solar Mass StarPower Points: 7

Bechtold, Jill

36

Black-white asymmetry in visual perception  

E-Print Network [OSTI]

tion of black and white in human vision. Investi- gativeneural responses to black and white ments are balanced, weand observers. The black– white asymmetry with a ¼ 1.28 is

Lu, Z.-L.; Sperling, G.

2012-01-01T23:59:59.000Z

37

Hayden White: Frontiers of Consciousness at UCSC  

E-Print Network [OSTI]

of consciousness. Hayden White: Frontiers of Consciousnessyou had a very motley crew. White: A motley crew, to put itIn the capitalist context. White: You can sell the human,

UCSC Library, Regional History Project; White, Hayden; Vanderscoff, Cameron

2013-01-01T23:59:59.000Z

38

White fibrous papulosis of the neck  

E-Print Network [OSTI]

1. Shimuzu H, et al. White fibrous papulosis of the neck:4079076] 2. Shimizu H, et al. White fibrous papulosis of the2666457] 3. Cerio R, et al. White fibrous papulosis of the

2015-01-01T23:59:59.000Z

39

White Bear Lake Conservation District (Minnesota)  

Broader source: Energy.gov [DOE]

This statute establishes the White Bear Lake Conservation District, which has the authority to set water and land use regulations for the area around White Bear Lake.

40

Lori Ann White | Department of Energy  

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

Lori Ann White About Us Lori Ann White - Science Writer, SLAC Office of Communications Most Recent President Obama Honors Sidney Drell with National Medal of Science February 4...

Note: This page contains sample records for the topic "white pelican pelecanus" 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

White House Tribal Nations Conference  

Broader source: Energy.gov [DOE]

On December 5, 2012, President Obama will host representatives invited from each of the 566 federally recognized American Indian tribes, and Alaska Native Villages, at the 2012 White House Tribal...

42

ForPeerReview White Racialized Identities  

E-Print Network [OSTI]

ForPeerReview White Racialized Identities 1 Empirical research into the racialization of white identities in British Sociology In their introduction to a collection of papers on whiteness, Twine and Gallagher (2007: 5) label the empirical studies of localised whiteness as it intersects with class, nation

Neirotti, Juan Pablo

43

R. White, Comsol Acoustics Introduction, 2012  

E-Print Network [OSTI]

R. White, Comsol Acoustics Introduction, © 2012 Tutorial Created in Comsol 4.3 (2012) #12;R. White Variables ­ space and time (x,y,z,t) Dependent Variables ­ unknown field (such as u) #12;R. White, Comsol (such as u) #12;R. White, Comsol Acoustics Introduction, © 2012 Finite Element Analysis (FEA / FEM) ­ 1

White, Robert D.

44

White Pine Blister Rust in High-Elevation White Pines: Screening for Simply-Inherited,  

E-Print Network [OSTI]

White Pine Blister Rust in High-Elevation White Pines: Screening for Simply________________ Recent concern about survival and recovery of high- elevation white pine ecosystems has returned white rust- resistance mechanisms in high-elevation white pines, including whitebark (Pinus albicaulis

45

Astrophysics of white dwarf binaries  

E-Print Network [OSTI]

White dwarf binaries are the most common compact binaries in the Universe and are especially important for low-frequency gravitational wave detectors such as LISA. There are a number of open questions about binary evolution and the Galactic population of white dwarf binaries that can be solved using gravitational wave data and at the same time, our ever improving knowledge about these binaries will help to predict the signals that can be expected for LISA. In addition a number of white dwarf binaries will serve as verification sources for the instrument. I will discuss these issues and report recent, surprising, developments in this field. Finally I report calculations about the feasibility of complementary electro-magnetic observations which unfortunately cannot reproduce the optimistic results of Cooray et al. (2004).

G. Nelemans

2007-03-13T23:59:59.000Z

46

Cool Versus Ultracool White Dwarfs  

E-Print Network [OSTI]

A preliminary $BVRIJHK$ analysis of the white dwarfs SSSPM J2231$-$7514 and SSSPM J2231$-$7515 is presented. Although both stars were reported to have $T_{\\rm eff}<4000$ K, the analysis here indicates $T_{\\rm eff}\\approx4250$ K for both SSSPM J2231$-$7514 and SSSPM J2231$-$7515. Given substantial scientific interest in the coolest extant degenerate stars, it is necessary to distinguish sub 4000 K objects from the bulk of cool white dwarfs. This analysis reiterates the importance of near infrared observations in constraining the spectral energy distributions and effective temperatures of the coolest white dwarfs and briefly discusses their possible origins.

J. Farihi

2005-02-07T23:59:59.000Z

47

White House Initiative on Historically Black Colleges and Universities...  

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

White House Initiative on Historically Black Colleges and Universities White House Initiative on Historically Black Colleges and Universities How WHI-HBCU are ran White House...

48

White Papers on Materials for Photoelectrochemical Water Splitting...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

White Papers on Materials for Photoelectrochemical Water Splitting White Papers on Materials for Photoelectrochemical Water Splitting Series of white papers from the U.S....

49

WESTERN WATER ASSESSMENT WHITE PAPER  

E-Print Network [OSTI]

the socio-economic effects of drought. Strategic Goals Following the findings and recommendations from two (outside of agriculture) · Few "disaster" declarations · Not even a unified roster of drought eventsWESTERN WATER ASSESSMENT WHITE PAPER Tracking Socioeconomic Impacts of Drought with Rapid Analytics

Neff, Jason

50

Exciting White Lighting | Department of Energy  

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

Exciting White Lighting Exciting White Lighting April 23, 2010 - 10:27am Addthis Joshua DeLung In the future, your office building's windows might be replaced with windows that...

51

White Sturgeon Bibliography, 1985 Final Report.  

SciTech Connect (OSTI)

This bibliography presents citations to the majority of published materials on white sturgeon (Acipenser transmontanus). The purpose was to assist in planning and implementing research on white sturgeon in the Columbia River system. (ACR)

Fickeisen, Duane H. (Pacific Northwest National Laboratory, Richland, WA)

1986-03-01T23:59:59.000Z

52

Inside the White House: Solar Panels  

Broader source: Energy.gov [DOE]

Go inside the White House and learn about the installation of solar panels on the roof of the residence.

53

Magnetic field topology of accreting white dwarfs  

E-Print Network [OSTI]

We report first results of our systematic investigation of the magnetic field structure of rotating single magnetic white dwarfs and of white dwarfs in magnetic cataclysmic variables. The global magnetic field distributions on the isolated white dwarf HE1045-0908 and the accreting white dwarfs in EF Eri and CP Tuc have been derived from phase-resolved flux and polarization spectra obtained with FORS1 at the ESO VLT using the systematic method of Zeeman tomography.

Klaus Reinsch; Fabian Euchner; Klaus Beuermann; Stefan Jordan

2003-02-04T23:59:59.000Z

54

Evidential Symmetry and Mushy Credence Roger White  

E-Print Network [OSTI]

1 Evidential Symmetry and Mushy Credence Roger White MIT rog@mit.edu draft 4/07 The Principle arise. I'm wondering if the marble taken from this urn is black or white. I might have a rich body in the box has been selected from a shaken urn containing just five white and five black balls. Or I might

Fitelson, Branden

55

White House Forum on Minorites in Energy  

Broader source: Energy.gov [DOE]

On November 13, 2013, the Department of Energy and the White House Office of Science and Technology Policy, the Council for Environmental Quality, and the White House Office of Public Engagement co-hosted the White House Forum on Minorities in Energy. The event included the announcement of the Ambassadors for the Minorities in Energy Initiative.

56

The White Pine Controlled Collapse Scott Phillips  

E-Print Network [OSTI]

The White Pine Controlled Collapse Experiment Scott Phillips D. Craig Pearson C.L. Edwards Brian W Los Alamos, NM 87545 November 25, 1996 LAUR-96-2642 #12;The White Pine Controlled Collapse Experiment Summary We recorded an explosively induced, 320 m deep, mine collapse and subsequent aftershocks at White

57

Networks and globalization policies Douglas R. White  

E-Print Network [OSTI]

9 Networks and globalization policies Douglas R. White 1 This Chapter argues for connecting models economy (e.g., Reichardt and White, 2007), nor of changes of position in the core-periphery economic structure (Smith and White, 1992) entail that core-periphery exchange structures are everywhere

White, Douglas R.

58

WHITE DWARFS H. M. Van Horn  

E-Print Network [OSTI]

WHITE DWARFS H. M. Van Horn Department of Physios and Astronomy £ §.£.Kenneth Mees Observatory of matter in the dense, degenerate cores of white dwarfs, together with efficient heat transport through the high-density envelopes of these stars, affect the theoretical white dwarf lu- minosity function

Paris-Sud XI, Université de

59

Bayesian surface estimation for white light interferometry  

E-Print Network [OSTI]

.hamprecht@iwr.uni-heidelberg.de). 1 #12;The development of white light interferometers for industry was first guidedBayesian surface estimation for white light interferometry Michael Hissmann Fred A. Hamprecht 2004/07/05 Abstract In conventional white light interferometry (WLI) surface estimation, data acquisition is followed

Hamprecht, Fred A.

60

White Dwarfs in Binary Systems A white dwarf orbiting another star can become active  

E-Print Network [OSTI]

White Dwarfs in Binary Systems A white dwarf orbiting another star can become active when the other becomes incandescent. #12;H and He from the companion build up on the white dwarf's surface. Classical. Explosions from White Dwarf Star RS Oph #12;Classical Novae: RS Ophiuci Recurrent Nova RS Ophiuci Explosions

Barnes, Joshua Edward

Note: This page contains sample records for the topic "white pelican pelecanus" 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

The white seabass (Atractoscion nobi-lis), also known as white weakfish  

E-Print Network [OSTI]

143 The white seabass (Atractoscion nobi- lis), also known as white weakfish (Eschmeyer et al Sciaenidae (croakers and drums) that inhabits California coastal waters (Miller and Lea, 1972), white seabass and Franklin, 1992). A previous study, in which the go- nads of commercially caught white seabass were examined

62

Dr. Rick White Richard L. White received his Ph.D. in Astrophysics from the  

E-Print Network [OSTI]

Dr. Rick White Richard L. White received his Ph.D. in Astrophysics from the University of WisconsinI as head of large software groups and leading the development of Hubble data analysis systems. Dr. White. White is co- investigator on the Hubble Space Telescope Advanced Camera, which was installed in Hubble

Zanibbi, Richard

63

Upper White River Watershed Alliance Upper White River Watershed Alliance (UWRWA)  

E-Print Network [OSTI]

Upper White River Watershed Alliance Upper White River Watershed Alliance (UWRWA) P.O. Box 2065 integrity of the White River ecosystem. To successfully accomplish the vision of UWRWA, a 16-county was formed. It exists to improve and protect water quality on a watershed basis in the larger Upper White

64

White Dwarfs and Dark Matter Based on the identification of 38 white  

E-Print Network [OSTI]

White Dwarfs and Dark Matter Based on the identification of 38 white dwarfs with halo kinematics to conclude that they have overestimated that the density of white dwarfs with halo kinematics. Oppenheimer et al. (1) derived their local white dwarf density n via the 1/Vmax tech- nique (2). The equation

Oppenheimer, Ben R.

65

White Dwarf and Pre-White Dwarf Pulsations M. H. Montgomery  

E-Print Network [OSTI]

White Dwarf and Pre-White Dwarf Pulsations M. H. Montgomery Department of Astronomy and Mc Observatory, Greenville, DE, USA Abstract. In this review I describe the basic properties of white dwarfs, convection, accretion, and cosmochronology. Keywords: white dwarfs, oscillations, equation of state PACS: 97

Jefferys, William

66

Spitzer White Dwarf Planet Limits  

E-Print Network [OSTI]

We present preliminary limits on the presence of planets around white dwarf stars using the IRAC photometer on the Spitzer space telescope. Planets emit strongly in the mid-infrared which allows their presence to be detected as an excess at these wavelengths. We place limits of $5 M_J$ for 8 stars assuming ages of $1 Gyr$, and $10 M_J$ for 23 stars.We describe our survey, present our results and comment on approaches to improve our methodology.

F. Mullally; Ted von Hippel; D. E. Winget

2006-10-28T23:59:59.000Z

67

Photometric Identification of Cool White Dwarfs  

E-Print Network [OSTI]

We investigate the use of a narrow-band DDO51 filter for photometric identification of cool white dwarfs. We report photometric observations of 30 known cool white dwarfs with temperatures ranging from 10,000 K down to very cool temperatures (<3500 K). Follow-up spectroscopic observations of a sample of objects selected using this filter and our photometric observations show that DDO51 filter photometry can help select cool white dwarf candidates for follow-up multi--object spectroscopy by rejecting 65% of main sequence stars with the same broad--band colors as the cool white dwarfs. This technique is not selective enough to efficiently feed single--object spectrographs. We present the white dwarf cooling sequence using this filter. Our observations show that very cool white dwarfs form a sequence in the r-DDO vs. r-z color--color diagram and demonstrate that significant improvements are needed in white dwarf model atmospheres.

M. Kilic; D. E. Winget; Ted von Hippel; C. F. Claver

2004-06-18T23:59:59.000Z

68

White House honors Los Alamos  

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 FerromagnetismWaste and MaterialsWenjun DengWISP SignIn OctoberWhite House honors Los

69

White Tail | 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: SaltTroyer & AssociatesWestILI Wind FarmName WhiteTail Jump

70

Discovery of an Ultracool White Dwarf Companion  

E-Print Network [OSTI]

The discovery of a low luminosity common proper motion companion to the white dwarf GD392 at a wide separation of $46''$ is reported. $BVRI$ photometry suggests a low temperature ($T_{\\rm eff}\\sim4000$ K) while $JHK$ data strongly indicate suppressed flux at all near infrared wavelengths. Thus, GD392B is one of the few white dwarfs to show significant collision induced absorption due to the presence of photospheric ${\\rm {H_2}}$ and the first ultracool white dwarf detected as a companion to another star. Models fail to explain GD392B as a normal mass white dwarf. If correct, the cool companion may be explained as a low mass white dwarf or unresolved double degenerate. The similarities of GD392B to known ultracool degenerates are discussed, including some possible implications for the faint end of the white dwarf luminosity function.

J. Farihi

2004-04-14T23:59:59.000Z

71

Wind Turbine Acoustic Noise A white paper  

E-Print Network [OSTI]

Wind Turbine Acoustic Noise A white paper Prepared by the Renewable Energy Research Laboratory...................................................................... 8 Sound from Wind Turbines .............................................................................................. 10 Sources of Wind Turbine Sound

Massachusetts at Amherst, University of

72

White Etch Areas: Metallurgical Characterization and Atomistic...  

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

and Atomistic Modeling Presented by R. Scott Hyde of Timken Company at the 2014 Wind Turbine Tribology Seminar Timken Hyde White Etch Areas ANL Presentation Oct 2014...

73

Gaia - A White Dwarf Discovery Machine  

E-Print Network [OSTI]

The Gaia data will help to improve the construction of a luminosity function for the disk and the halo and will provide a more accurate determination of the age of our solar neighborhood. Moreover, reliable stellar dynamical investigations of the disk and halo components will be possible. For the first time it will be possible to test the mass-radius relation of white dwarfs in great detail. Moreover, more accurate masses of magnetic and cool white dwarfs can be expected. Gaia is also expected to discover many new pulsating white dwarfs. The Gaia measurements can also complement the measurements of gravitational waves from close white dwarf binaries with Lisa.

Stefan Jordan

2006-10-30T23:59:59.000Z

74

Donald Byrne (white) vs. Robert James "Bobby" Fischer (black) 1956 White Black  

E-Print Network [OSTI]

Donald Byrne (white) vs. Robert James "Bobby" Fischer (black) 1956 White Black 1. Nf3 Nf6 comments here are called "annotation" 2. c4 g6 3. Nc3 Bg7 black bishop sits on long diagonal 4. d4 0-0 white black threatens the queen 7. Qxc4 c6 8. e4 Nbd7 black's knight on b moves to d7 9. Rd1 Nb6 white's rook

Zirbel, Craig L.

75

White dwarf mergers,White dwarf mergers, thermonuclear supernovae,thermonuclear supernovae,  

E-Print Network [OSTI]

White dwarf mergers,White dwarf mergers, thermonuclear supernovae,thermonuclear supernovae fusion is ignited. Degenerate, hence runaway. #12;CO white dwarf accretes, either from companion, or from disk after merger. As it approaches maximum mass, C fusion is ignited. Degenerate, hence runaway. SN Ia

Hinton, Jim

76

CIB White Paper on IDDS Integrated Design & Delivery Solutions  

E-Print Network [OSTI]

CIB White Paper on IDDS Integrated Design & Delivery Solutions Publication 328 ISBN 978-90-6363-060-7 #12;CIB White Paper on IDDS Page 1 of 15 CIB White Paper on IDDS Integrated Design & Delivery White Paper on IDDS Page 2 of 15 Table of Contents Introduction and Use of this White Paper

Amor, Robert

77

ESF Consortium for Ocean Drilling White Paper  

E-Print Network [OSTI]

ESF Consortium for Ocean Drilling (ECOD) White Paper An ESF Programme September 2003 #12;The, maintains the ship over a specific location while drilling into water depths up to 27,000 feet. A seven Amsterdam, The Netherlands #12;1 ESF Consortium for Ocean Drilling (ECOD) White Paper Foreword 3

Purkis, Sam

78

ENERGY WHITE PAPER Our energy future -  

E-Print Network [OSTI]

ENERGY WHITE PAPER Our energy future - creating a low carbon economy and consumers. And we stand up for fair and open markets in the UK, Europe and the world. #12;Our energy future ENERGY WHITE PAPER Our energy future - creating a low carbon economy 1 Foreword

79

White Dwarf Spectra and Atmosphere Models  

E-Print Network [OSTI]

We describe the spectral classification of white dwarfs and some of the physical processes important for their understanding. In the major part of this paper we discuss the input physics and computational methods for one of the most widely used stellar atmosphere codes for white dwarfs.

Detlev Koester

2008-12-02T23:59:59.000Z

80

White holes and eternal black holes  

E-Print Network [OSTI]

We investigate isolated white holes surrounded by vacuum, which correspond to the time reversal of eternal black holes that do not evaporate. We show that isolated white holes produce quasi- thermal Hawking radiation. The time reversal of this radiation, incident on a black hole precursor, constitutes a special preparation that will cause the black hole to become eternal.

Stephen D. H. Hsu

2011-11-16T23:59:59.000Z

Note: This page contains sample records for the topic "white pelican pelecanus" 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

A Spitzer White Dwarf Infrared Survey  

E-Print Network [OSTI]

We present mid-infrared photometry of 124 white dwarf stars with Spitzer Space Telescope. Objects were observed simultaneously at 4.5 and 8.0um with sensitivities better than 1 mJy. This data can be used to test models of white dwarf atmospheres in a new wavelength regime, as well as to search for planetary companions and debris disks.

F. Mullally; Mukremin Kilic; William T. Reach; Marc J. Kuchner; Ted von Hippel; Adam Burrows; D. E. Winget

2006-11-17T23:59:59.000Z

82

Dyson Spheres around White Dwarfs  

E-Print Network [OSTI]

A Dyson Sphere is a hypothetical structure that an advanced civilization might build around a star to intercept all of the star's light for its energy needs. One usually thinks of it as a spherical shell about one astronomical unit (AU) in radius, and surrounding a more or less Sun-like star; and might be detectable as an infrared point source. We point out that Dyson Spheres could also be built around white dwarfs. This type would avoid the need for artificial gravity technology, in contrast to the AU-scale Dyson Spheres. In fact, we show that parameters can be found to build Dyson Spheres suitable --temperature- and gravity-wise-- for human habitation. This type would be much harder to detect.

Semiz, ?brahim

2015-01-01T23:59:59.000Z

83

Object technology: A white paper  

SciTech Connect (OSTI)

Object-Oriented Technology (OOT), although not a new paradigm, has recently been prominently featured in the trade press and even general business publications. Indeed, the promises of object technology are alluring: the ability to handle complex design and engineering information through the full manufacturing production life cycle or to manipulate multimedia information, and the ability to improve programmer productivity in creating and maintaining high quality software. Groups at a number of the DOE facilities have been exploring the use of object technology for engineering, business, and other applications. In this white paper, the technology is explored thoroughly and compared with previous means of developing software and storing databases of information. Several specific projects within the DOE Complex are described, and the state of the commercial marketplace is indicated.

Jordan, S.R.; Arrowood, L.F.; Cain, W.D.; Stephens, W.M.; Vickers, B.D.

1992-05-11T23:59:59.000Z

84

Introduction: White-Collar and Corporate Crime in Asia  

E-Print Network [OSTI]

International Handbook of White-Collar and Corporate Crime.Japanese social structure and white collar crime: recruitG. (2007). Black Mist and White Collars: Economic Crime in

Pontell, Henry N.; Geis, Gilbert

2010-01-01T23:59:59.000Z

85

White matter integrity, substance use, and risk taking in adolescence  

E-Print Network [OSTI]

F. M. , Celano, M. J. , White, S. L. , Wallace, G. L. , Lee,inhibition is associated with white matter microstructure inTapert, S.F. (2009). White matter integrity in adolescents

Jacobus, Joanna

2011-01-01T23:59:59.000Z

86

White sponge nevus in a patient with EEC syndrome  

E-Print Network [OSTI]

PubMed ] 21. Jornet PL. White sponge nevus: presentation ofknowledge, no other case of white sponge nevus in a patientstudies on the etiology of the white sponge nevus might look

Dalben, Gisele Silva; Cursino, Helize A; Barbosa, Bruno A; Costa, Beatriz; Consolaro, Alberto

2010-01-01T23:59:59.000Z

87

White House Office of Science and Technology Policy Summer 2014...  

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

White House Office of Science and Technology Policy Summer 2014 Internship Program Application Period White House Office of Science and Technology Policy Summer 2014 Internship...

88

White House Honors Federal Agencies for Saving Taxpayers $133...  

Office of Environmental Management (EM)

White House Honors Federal Agencies for Saving Taxpayers 133 Million in Energy Costs by Increasing Efficiency Measures White House Honors Federal Agencies for Saving Taxpayers...

89

HASKELL & WHITE CORPORATEREPORTING & GOVERNANCE CONFERENCE SERIES Blending Theory with Practice  

E-Print Network [OSTI]

HASKELL & WHITE CORPORATEREPORTING & GOVERNANCE CONFERENCE SERIES Blending Theory with Practice The 13th Haskell & White Corporate Reporting & Governance conference is intended to provide opportunities

de Lijser, Peter

90

Two Tribes Recognized as Climate Action Champions During White...  

Office of Environmental Management (EM)

Two Tribes Recognized as Climate Action Champions During White House Tribal Nations Conference Two Tribes Recognized as Climate Action Champions During White House Tribal Nations...

91

NNSA Hosts Cybersecurity Consortium Members Following White House...  

National Nuclear Security Administration (NNSA)

NNSA Blog NNSA Hosts Cybersecurity Consortium Members Following White ... NNSA Hosts Cybersecurity Consortium Members Following White House Announcement of 25 Million in Grants...

92

White House Science Fair Recap | Department of Energy  

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

White House Science Fair Recap White House Science Fair Recap Addthis Description Highlights from the inaugural WH science fair on Monday, Ocotober 18th, 2010. Speakers President...

93

Tribal Leaders Provide White House with Input on Bolstering Climate...  

Energy Savers [EERE]

Tribal Leaders Provide White House with Input on Bolstering Climate Resilience Tribal Leaders Provide White House with Input on Bolstering Climate Resilience January 7, 2015 -...

94

White House Council of Economic Advisers and Energy Department...  

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

White House Council of Economic Advisers and Energy Department Release New Report on Resiliency of Electric Grid During Natural Disasters White House Council of Economic Advisers...

95

Secretary Moniz at White House Women's Leadership Summit on Climate...  

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

Secretary Moniz at White House Women's Leadership Summit on Climate and Energy Secretary Moniz at White House Women's Leadership Summit on Climate and Energy Addthis Speakers...

96

Modeling-Computer Simulations At White Mountains Area (Goff ...  

Open Energy Info (EERE)

GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Modeling-Computer Simulations At White Mountains Area (Goff & Decker, 1983) Exploration Activity Details Location White...

97

21st Century Truck Partnership - Roadmap and Technical White...  

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

- Roadmap and Technical White Papers Appendix of Supporting Information - 21CTP-0003, December 2006 21st Century Truck Partnership - Roadmap and Technical White Papers Appendix of...

98

Countries Commit to White Roofs, Potentially Offsetting the Emissions...  

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

Countries Commit to White Roofs, Potentially Offsetting the Emissions of Over 300 Power Plants Countries Commit to White Roofs, Potentially Offsetting the Emissions of Over 300...

99

White House Meeting Honors New Superior Energy Performance Members...  

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

White House Meeting Honors New Superior Energy Performance Members White House Meeting Honors New Superior Energy Performance Members December 13, 2013 - 11:39am Addthis New...

100

Rocky Mountain White Tilapia Aquaculture Low Temperature Geothermal...  

Open Energy Info (EERE)

White Tilapia Aquaculture Low Temperature Geothermal Facility Jump to: navigation, search Name Rocky Mountain White Tilapia Aquaculture Low Temperature Geothermal Facility Facility...

Note: This page contains sample records for the topic "white pelican pelecanus" 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

White House Leadership Summit on Women, Climate and Energy |...  

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

White House Leadership Summit on Women, Climate and Energy White House Leadership Summit on Women, Climate and Energy Addthis Topic Energy Efficiency Energy Usage Science &...

102

Geothermal Literature Review At White Mountains Area (Goff &...  

Open Energy Info (EERE)

White Mountains Area (Goff & Decker, 1983) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geothermal Literature Review At White Mountains Area...

103

White House Spotlights Solar Innovation as Summit Registration...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

White House Spotlights Solar Innovation as Summit Registration Continues White House Spotlights Solar Innovation as Summit Registration Continues April 23, 2014 - 10:38am Addthis...

104

accreting white dwarf: Topics by E-print Network  

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

Page Last Page Topic Index 1 Accreting White Dwarfs Astrophysics (arXiv) Summary: Thermonuclear (type Ia) supernovae are explosions in accreting white dwarfs, but the exact...

105

accreting white dwarfs: Topics by E-print Network  

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

Page Last Page Topic Index 1 Accreting White Dwarfs Astrophysics (arXiv) Summary: Thermonuclear (type Ia) supernovae are explosions in accreting white dwarfs, but the exact...

106

White House Launches the Generation Indigenous Native Youth Challenge...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

White House Launches the Generation Indigenous Native Youth Challenge White House Launches the Generation Indigenous Native Youth Challenge February 17, 2015 - 12:06pm Addthis On...

107

Imaging planets around nearby white dwarfs  

E-Print Network [OSTI]

We suggest that Jovian planets will survive the late stages of stellar evolution, and that white dwarfs will retain planetary systems in wide orbits (>5AU). Utilising evolutionary models for Jovian planets, we show that infra-red imaging with 8m class telescopes of suitable nearby white dwarfs should allow us to resolve and detect companions >3Mjup. Detection of massive planetary companions to nearby white dwarfs would prove that such objects can survive the final stages of stellar evolution, place constraints on the frequency of main sequence stars with planetary systems dynamically similar to our own and allow direct spectroscopic investigation of their composition and structure.

M. R. Burleigh; F. J. Clarke; S. T. Hodgkin

2002-02-09T23:59:59.000Z

108

The Blue Box White Paper  

E-Print Network [OSTI]

This white paper is an explanation of Ben and Dave's TARDIS time machine, written for laypeople who are interested in time travel, but have no technical knowledge of Einstein's Theory of General Relativity. The first part of this paper is an introduction to the pertinent ideas from Einstein's theory of curved spacetime, followed by a review of other popular time machine spacetimes. We begin with an introduction to curvature and lightcones. We then explain the Alcubierre Warp Drive, the Morris-Thorne wormhole, and the Tipler cylinder. We then describe the Traversable Achronal Retrograde Domain in Spacetime (TARDIS), and explain some of its general properties. Our TARDIS is a bubble of spacetime curvature which travels along a closed loop in space and time. A person travelling within the bubble will feel a constant acceleration. A person outside of the TARDIS will see two bubbles: one which is evolving forwards in time, and one which is evolving backwards in time. We then discuss the physical limitations which ...

Tippett, Benjamin K

2013-01-01T23:59:59.000Z

109

The Blue Box White Paper  

E-Print Network [OSTI]

This white paper is an explanation of Ben and Dave's TARDIS time machine, written for laypeople who are interested in time travel, but have no technical knowledge of Einstein's Theory of General Relativity. The first part of this paper is an introduction to the pertinent ideas from Einstein's theory of curved spacetime, followed by a review of other popular time machine spacetimes. We begin with an introduction to curvature and lightcones. We then explain the Alcubierre Warp Drive, the Morris-Thorne wormhole, and the Tipler cylinder. We then describe the Traversable Achronal Retrograde Domain in Spacetime (TARDIS), and explain some of its general properties. Our TARDIS is a bubble of spacetime curvature which travels along a closed loop in space and time. A person travelling within the bubble will feel a constant acceleration. A person outside of the TARDIS will see two bubbles: one which is evolving forwards in time, and one which is evolving backwards in time. We then discuss the physical limitations which may prevent us from ever constructing a TARDIS. Finally, we discuss the method through which a TARDIS can be used to travel between arbitrary points in space and time, and the possible dangers involved with exiting a TARDIS from the wrong side. Before we begin, would you like a Jelly Baby?

Benjamin K Tippett; David Tsang

2013-10-29T23:59:59.000Z

110

Ethnic identification among blacks and whites  

E-Print Network [OSTI]

Two central questions drive this research: (1) Are there trends in ethnic identification among blacks and whites; and (2) Are there meaningful differences between groups that identify differently? I use descriptive and regression analysis...

Glass, Teresa Gail

1996-01-01T23:59:59.000Z

111

Sandia National Laboratories: warm white LED  

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

warm white LED Sandia Develops a Synthesis of Quantum Dots that Increases the Quantum Yield to 95.5% On May 23, 2013, in Energy, Energy Efficiency, Materials Science, News, News &...

112

Strategic Facility Management: A White Paper  

Broader source: Energy.gov [DOE]

This white paper provides information on the SFP process, its requirements and benefits, and gives a facility manager the basic tools to launch and successfully complete a SFP for the supported organization.

113

2013 White House Tribal Nations Conference  

Broader source: Energy.gov [DOE]

On Wednesday, November 13, President Obama will host the White House Tribal Nations Conference at the Department of the Interior. The conference will provide leaders from the 566 federally...

114

Cortical white matter: beyond the pale  

E-Print Network [OSTI]

The tracts within the subcortical white matter and corpus callosum provide an anatomical connectivity that is essential for normal cognitive functioning. These structures are predominantly made up of axons that are myelinated ...

Rockland, Kathleen

115

Merging White Dwarfs and Thermonuclear Supernovae  

E-Print Network [OSTI]

Thermonuclear supernovae result when interaction with a companion reignites nuclear fusion in a carbon-oxygen white dwarf, causing a thermonuclear runaway, a catastrophic gain in pressure, and the disintegration of the whole white dwarf. It is usually thought that fusion is reignited in near-pycnonuclear conditions when the white dwarf approaches the Chandrasekhar mass. I briefly describe two long-standing problems faced by this scenario, and our suggestion that these supernovae instead result from mergers of carbon-oxygen white dwarfs, including those that produce sub-Chandrasekhar mass remnants. I then turn to possible observational tests, in particular those that test the absence or presence of electron captures during the burning.

van Kerkwijk, Marten H

2012-01-01T23:59:59.000Z

116

White Paper Using Social Media to Improve  

E-Print Network [OSTI]

White Paper Using Social Media to Improve Organizational Communication & Efficiency Amy M. Young can enhance workforce collaboration, increase organizational efficiency, and reduce expenses changing organizational communication, collaboration, and efficiency. We also discuss the key

Michigan, University of

117

NGNP High Temperature Materials White Paper  

SciTech Connect (OSTI)

This white paper is one in a series of white papers that address key generic issues of the combined construction and operating license (COL) pre-application program key generic issues for the Next Generation Nuclear Plant reactor using the prismatic block fuel technology. The purpose of the pre-application program interactions with the NRC staff is to reduce the time required for COL application review by identifying and addressing key regulatory issues and, if possible, obtaining agreements for their resolution

Lew Lommers; George Honma

2012-08-01T23:59:59.000Z

118

Mutiny at the white-hole district  

E-Print Network [OSTI]

The white-hole sector of Kruskal's solution is almost never used in physical applications. However, it might contain the solution to many of the problems associated with gravitational collapse and evaporation. This essay tries to draw attention to some bouncing geometries that make a democratic use of the black- and white-hole sectors. We will argue that these types of behaviour could be perfectly natural in some approaches to the next physical level beyond classical general relativity.

Carlos Barceló; Raúl Carballo-Rubio; Luis J. Garay

2014-07-05T23:59:59.000Z

119

2014 White House Tribal Nations Conference  

Broader source: Energy.gov [DOE]

President Obama will host the 2014 White House Tribal Nations Conference at the Capital Hilton in Washington, DC. The conference will provide leaders from the 566 federally recognized tribes the opportunity to interact directly with the President and members of the White House Council on Native American Affairs. Each federally recognized tribe will be invited to send one representative to the conference. Additional details about the conference will be released at a later date.

120

White Space Ecosystem: A Secondary Network Operator's Perspective  

E-Print Network [OSTI]

1 White Space Ecosystem: A Secondary Network Operator's Perspective Yuan Luo, Lin Gao, and Jianwei Huang Abstract--The successful deployment of a TV white space network requires the coordination-users), which form the White Space Ecosystem. In this paper, we study the white space ecosystem from

Huang, Jianwei

Note: This page contains sample records for the topic "white pelican pelecanus" 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.


121

R. White, Comsol Acoustics Introduction, 2/25/08  

E-Print Network [OSTI]

R. White, Comsol Acoustics Introduction, 2/25/08 #12;R. White, Comsol Acoustics Introduction, 2,y,z,t) Dependent Variables ­ unknown field (such as u) #12;R. White, Comsol Acoustics Introduction, 2/25/08 Finite ­ space and time (x,y,z,t) Dependent Variables ­ unknown field (such as u) #12;R. White, Comsol Acoustics

White, Robert D.

122

Call No. Title Author Location Gilbert White Collection  

E-Print Network [OSTI]

-White TD927.A2 197 Abastecimientos de agua potable a comunidades rurales IWR-White HC800.A54 19 Accelerated States. January 1937 United States. Hist-White TD745.I33 197 Advanced treatment and reuse of municipal wastewater : dan region pilot plant, summer operation. Idelovitch, Emanuel. IWR-White TA593.C64 19 Aerial

US Army Corps of Engineers

123

Phase transformations of nano-sized cubic boron nitride to white graphene and white graphite  

SciTech Connect (OSTI)

We report quantum-mechanical investigations that predict the formation of white graphene and nano-sized white graphite from the first-order phase transformations of nano-sized boron nitride thin-films. The phase transformations from the nano-sized diamond-like structure, when the thickness d?>?1.4?nm, to the energetically more stable nano-sized white graphite involve low activation energies of less than 1.0?eV. On the other hand, the diamond-like structure transforms spontaneously to white graphite when d???1.4?nm. In particular, the two-dimensional structure with single-layer boron nitride, the so-called white graphene, could be formed as a result of such transformation.

Dang, Hongli; Liu, Yingdi; Xue, Wenhua; Anderson, Ryan S.; Sewell, Cody R. [Department of Physics and Engineering Physics, The University of Tulsa, Tulsa, Oklahoma 74104 (United States); Xue, Sha; Crunkleton, Daniel W. [Department of Chemical Engineering, The University of Tulsa, Tulsa, Oklahoma 74104 (United States); Institute of Alternate Energy, The University of Tulsa, Tulsa, Oklahoma 74104 (United States); Shen, Yaogen [Department of Mechanical and Biomedical Engineering, City University of Hong Kong, Kowloon (Hong Kong); Wang, Sanwu, E-mail: sanwu-wang@utulsa.edu [Department of Physics and Engineering Physics, The University of Tulsa, Tulsa, Oklahoma 74104 (United States); Institute of Alternate Energy, The University of Tulsa, Tulsa, Oklahoma 74104 (United States)

2014-03-03T23:59:59.000Z

124

White flight or flight from poverty?  

E-Print Network [OSTI]

The phenomenon of White flight is often illustrated by the case of Detroit whose population dropped from 1.80 million to 0.95 million between 1950 and 2000 while at the same time its Black and Hispanic component grew from 30 percent to 85 percent. But is this case really representative? The present paper shows that the phenomenon of White flight is in fact essentially a flight from poverty. As a confirmation, we show that the changes in White or Black populations are highly correlated which means that White flight is always paralleled by Black flight (and Hispanic flight as well). This broader interpretation of White flight accounts not only for the case of northern cities such as Cincinnati, Cleveland or Detroit, but for all population changes at county level, provided the population density is higher than a threshold of about 50 per square-kilometer which corresponds to moderately urbanized areas (as can be found in states like Indiana or Virginia for instance).

Jego, C; Jego, Charles; Roehner, Bertrand M.

2006-01-01T23:59:59.000Z

125

Efficient White SSL Component for General Illumination  

SciTech Connect (OSTI)

Cree has developed a new, high-efficiency, low-cost, light emitting diode (LED) module that should be capable of replacing standard, halogen, fluorescent and metal halide lamps based on the total cost of ownership. White LEDs are produced by combining one or more saturated color LEDs with a phosphor or other light down-converting media to achieve white broad-band illumination. This two year project addressed LED chip, package and phosphor efficiency improvements to establish a technology platform suitable for low-cost, high-efficiency commercial luminaires. New phosphor materials with improved quantum efficiency at 'real-life' operating conditions were developed along with new package technology to improve the efficiency of warm white LED modules compared to the baseline technology. Specifically, Cree has successfully demonstrated warm white LED modules providing 540 lumens at a correlated color temperature (CCT) of 3000 K. The LED module had an efficacy of 102.8 lumens per watt (LPW) using 1 mm2 chips biased at 350 mA - a 27% improvement over the technology at project start (81 LPW at 3000K). The white modules also delivered an efficacy of 88 LPW at elevated junction temperatures of 125 C. In addition, a proof-of-concept 4-inch downlight luminaire produced a flux of 1183 lumens at a CCT of 2827 K and a color rendering index (CRI) of 80 using this project's phosphor developments.

Sean Evans

2011-01-31T23:59:59.000Z

126

KdV Preserves White Noise  

E-Print Network [OSTI]

It is shown that white noise is an invariant measure for the Korteweg-deVries equation on $\\mathbb T$. This is a consequence of recent results of Kappeler and Topalov establishing the well-posedness of the equation on appropriate negative Sobolev spaces, together with a result of Cambronero and McKean that white noise is the image under the Miura transform (Ricatti map) of the (weighted) Gibbs measure for the modified KdV equation, proven to be invariant for that equation by Bourgain.

Jeremy Quastel; Benedek Valko

2006-11-06T23:59:59.000Z

127

THE WHITE HOUSE | 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 EnergyEnergyENERGYWomen Owned Small BusinessEMPLOYMENT VERIFICATION1 - In theTHE WHITE HOUSE THE WHITE

128

Understanding white dwarf binary evolution with white dwarf/main sequence binaries: first results from SEGUE  

E-Print Network [OSTI]

Close white dwarf binaries make up a wide variety of objects such as double white dwarf binaries, which are possible SN Ia progenitors, cataclysmic variables, super soft sources, or AM CVn stars. The evolution and formation of close white dwarf binaries crucially depends on the rate at which angular momentum is extracted from the binary orbit. The two most important sources of angular momentum loss are the common envelope phase and magnetic braking. Both processes are so far poorly understood. Observational population studies of white dwarf/main sequence binaries provide the potential to significantly progress with this situation and to clearly constrain magnetic braking and the CE-phase. However, the current population of white dwarf/main sequence binaries is highly incomplete and heavily biased towards young systems containing hot white dwarfs. The SDSSII/SEGUE collaboration awarded us with 5 fibers per plate pair in order to fill this gap and to identify the required unbiased sample of old white dwarf/main sequence binaries. The success rate of our selection criteria exceeds 65% and during the first 10 months we have identified 41 new systems, most of them belonging to the missed old population.

M. R. Schreiber; A. Nebot Gomez-Moran; A. D. Schwope

2006-11-15T23:59:59.000Z

129

White-matter abnormalities in brain during early abstinence from methamphetamine abuse  

E-Print Network [OSTI]

nuclear gray matter, and white matter of human subjects whoHC) subjects show larger white-matter volume (Thompson ethigher incidence of white-matter signal hyperintensities (

Tobias, Marc C.; O’Neill, Joseph; Hudkins, Matthew; Bartzokis, George; Dean, Andrew C.; London, Edythe D.

2010-01-01T23:59:59.000Z

130

DOUGLAS R. WHITE Societal Research Archives System  

E-Print Network [OSTI]

DOUGLAS R. WHITE Societal Research Archives System : Retrieval, quality control and analysis, data quality control, and testing for genetic, diffusional, or functional sources of correlation total number of such publications, but over 90 % of the actual ratings, since the remaining publications

White, Douglas R.

131

White House Forum on Minorities in Energy  

Broader source: Energy.gov [DOE]

At the White House Forum on Minorities in Energy, Secretary Moniz honored the Ambassadors of the Minorities in Energy Initiative -- senior-level leaders dedicated to advancing underrepresented groups in the energy sector. Panel discussions at the event covered a wide range of issues including increasing participation in STEM fields by minorities and engaging communities in energy and climate issues.

132

Business-driven security White paper  

E-Print Network [OSTI]

March 2008 Business-driven security White paper Take a holistic approach to business-driven security. #12;Take a holistic approach to business-driven security. 2 Overview Today's corporate leaders face multiple challenges, including the need to innovate in extremely competitive business climates

133

Differential white cell count by centrifugal microfluidics.  

SciTech Connect (OSTI)

We present a method for counting white blood cells that is uniquely compatible with centrifugation based microfluidics. Blood is deposited on top of one or more layers of density media within a microfluidic disk. Spinning the disk causes the cell populations within whole blood to settle through the media, reaching an equilibrium based on the density of each cell type. Separation and fluorescence measurement of cell types stained with a DNA dye is demonstrated using this technique. The integrated signal from bands of fluorescent microspheres is shown to be proportional to their initial concentration in suspension. Among the current generation of medical diagnostics are devices based on the principle of centrifuging a CD sized disk functionalized with microfluidics. These portable 'lab on a disk' devices are capable of conducting multiple assays directly from a blood sample, embodied by platforms developed by Gyros, Samsung, and Abaxis. [1,2] However, no centrifugal platform to date includes a differential white blood cell count, which is an important metric complimentary to diagnostic assays. Measuring the differential white blood cell count (the relative fraction of granulocytes, lymphocytes, and monocytes) is a standard medical diagnostic technique useful for identifying sepsis, leukemia, AIDS, radiation exposure, and a host of other conditions that affect the immune system. Several methods exist for measuring the relative white blood cell count including flow cytometry, electrical impedance, and visual identification from a stained drop of blood under a microscope. However, none of these methods is easily incorporated into a centrifugal microfluidic diagnostic platform.

Sommer, Gregory Jon; Tentori, Augusto M.; Schaff, Ulrich Y.

2010-07-01T23:59:59.000Z

134

PO Box 2349 White Salmon, WA 98672  

E-Print Network [OSTI]

PO Box 2349 White Salmon, WA 98672 509.493.4468 www.newbuildings.org COMMERCIAL ROOFTOP HVAC ENERGY from utility-sponsored field service measures on small (typically 3-10 tons) commercial rooftop unitary utility-funded RTU service programs. New Buildings Institute (NBI) staff has been managing the research

135

Waste and Climate Change ISWA WHITE PAPER  

E-Print Network [OSTI]

waste prevention, recycling and reuse, biological treatment with land use of products, energy recoveryWaste and Climate Change ISWA WHITE PAPER #12;Preface 3 Re-evaluating waste: ISWA key messages 4 ISWA Commitments 6 Introduction 7 Technologies 8 Material recovery 14 Organic recovery 16 Energy

136

White Paper on Magnetic Fusion Program Strategies  

E-Print Network [OSTI]

of the international fusion program, the International Thermonuclear Experimental Reactor (ITER), is now halfwayWhite Paper on Magnetic Fusion Program Strategies Prepared for The President's Committee of Advisors on Science and Technology Prepared by David E. Baldwin Senior Vice President for Fusion General

137

VBH-0068- In the Matter of Ronald D. White  

Broader source: Energy.gov [DOE]

This Decision involves a complaint filed by Ronald D. White (White or “Complainant”) under the Department of Energy (DOE) Contractor Employee Protection Program, codified at 10 C.F.R. Part 708....

138

Women at the White House Talk Climate and Energy Solutions |...  

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

Women at the White House Talk Climate and Energy Solutions Women at the White House Talk Climate and Energy Solutions May 31, 2013 - 2:19pm Addthis April Saylor April Saylor Former...

139

Statement from the White House Press Secretary on the Ongoing...  

Energy Savers [EERE]

the White House Press Secretary on the Ongoing U.S. Response to the Earthquakes and Tsunami in Japan Statement from the White House Press Secretary on the Ongoing U.S. Response to...

140

2014 White House Tribal Nations Conference | Department of Energy  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

White House Tribal Nations Conference 2014 White House Tribal Nations Conference December 3, 2014 9:00AM to 5:00PM EST On Wednesday, December 3, President Obama will host the 2014...

Note: This page contains sample records for the topic "white pelican pelecanus" 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

Ms. Victoria A. White Chief Operating Officer Fermilab  

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

Ms. Victoria A. White Chief Operating Officer Fermilab P.O. Box 500 Batavia, I L 60510 Dear Ms. White: SUBJECT : NATIONA L ENVIRON MENTAL POLICY ACT DETERMI NATION AT FERMI...

142

White House Blog Post on the President's "Better Buildings Initiative...  

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

White House Blog Post on the President's "Better Buildings Initiative" White House Blog Post on the President's "Better Buildings Initiative" February 4, 2011 - 12:00am Addthis In...

143

White House Highlights Two Energy-Slashing, Open Data Initiatives...  

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

White House Highlights Two Energy-Slashing, Open Data Initiatives White House Highlights Two Energy-Slashing, Open Data Initiatives May 28, 2014 - 10:22am Addthis The Buildings...

144

EIS-0376: White Wind Farm Brookings County, South Dakota  

Broader source: Energy.gov [DOE]

This EIS evaluates the potential environmental impacts of a proposal by Western to interconnect its proposed White Wind Farm Project (Project) to Western’s transmission system at the existing White...

145

Keynote Address: Cristin Dorgelo, White House Office of Science...  

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

Cristin Dorgelo, White House Office of Science and Technology Policy Keynote Address: Cristin Dorgelo, White House Office of Science and Technology Policy May 21, 2014 2:20PM to...

146

Bright-White Beetle Scales Optimise Multiple Scattering of Light  

E-Print Network [OSTI]

Whiteness arises from diffuse and broadband reflection of light typically achieved through optical scattering in randomly structured media. In contrast to structural colour due to coherent scattering, white appearance ...

Burresi, Matteo

147

Cool White Dwarfs in the Sloan Digital Sky Survey  

E-Print Network [OSTI]

A reduced proper motion diagram utilizing Sloan Digital Sky Survey (SDSS) photometry and astrometry and USNO-B plate astrometry is used to separate cool white dwarf candidates from metal-weak, high-velocity main sequence Population II stars (subdwarfs) in the SDSS Data Release 2 imaging area. Follow-up spectroscopy using the Hobby-Eberly Telescope, the MMT, and the McDonald 2.7m Telescope is used to demonstrate that the white dwarf and subdwarf loci separate cleanly in the reduced proper motion diagram, and that the contamination by subdwarfs is small near the cool white dwarf locus. This enables large statistically complete samples of white dwarfs, particularly the poorly understood cool white dwarfs, to be created from the SDSS imaging survey, with important implications for white dwarf luminosity function studies. SDSS photometry for our sample of cool white dwarfs is compared to current white dwarf models.

Mukremin Kilic; Jeffrey A. Munn; Hugh C. Harris; James Liebert; Ted von Hippel; Kurtis A. Williams; Travis S. Metcalfe; D. E. Winget; Stephen E. Levine

2005-03-28T23:59:59.000Z

148

Sandia National Laboratories: Four-color laser white illuminant...  

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

ClimateECNews & EventsNewsFour-color laser white illuminant demonstrating high color-rendering quality Four-color laser white illuminant demonstrating high color-rendering quality...

149

Keynote Address: Ali Zaidi, the White House Domestic Policy Council...  

Energy Savers [EERE]

Ali Zaidi, the White House Domestic Policy Council Keynote Address: Ali Zaidi, the White House Domestic Policy Council May 21, 2014 2:05PM to 2:30PM PDT Pacific Ballroom Keynote...

150

LIVE from the White House Science Fair | Department of Energy  

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

LIVE from the White House Science Fair LIVE from the White House Science Fair October 18, 2010 - 11:31am Addthis John Schueler John Schueler Former New Media Specialist, Office of...

151

Ms. Victoria A, White Chief Operating Officer Fermilab  

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

A, White Chief Operating Officer Fermilab P.O. Box 50Q Batavia, I L 60510 Dear Ms. White: SUBJECT: NATIONAL ENVIRONMEN TAL POLICY ACT DTRMINATI QN AT ERMs NATIONAL ACCELERATO R...

152

White light emitting diode as liquid crystal display backlight  

E-Print Network [OSTI]

The discovery of high brightness (white) light emitting diode (LED) is considered as a real threat to the current lighting industry in various applications. One of the most promising sectors would be using white LED to ...

Soon, Chian Myau

2007-01-01T23:59:59.000Z

153

VancouverParksville White RockNew Westminster  

E-Print Network [OSTI]

Courtenay VancouverParksville Abbotsford White RockNew Westminster Squamish Chilliwack Port McNeill Powell

154

The Hull-White Model: Calibration with Irregular Trinomial Trees  

E-Print Network [OSTI]

The Hull-White Model: Calibration with Irregular Trinomial Trees · The previous calibration of the tree's irregular shape. c 2011 Prof. Yuh-Dauh Lyuu, National Taiwan University Page 1019 #12;The Hull-White the spot rates exactly. c 2011 Prof. Yuh-Dauh Lyuu, National Taiwan University Page 1020 #12;The Hull-White

Lyuu, Yuh-Dauh

155

Regional White Matter and Neuropsychological Functioning across the Adult Lifespan  

E-Print Network [OSTI]

Regional White Matter and Neuropsychological Functioning across the Adult Lifespan Adam M. Brickman (MRI) to more fully elucidate the relationship among age, regional white matter, and neuropsychological neuropsychological assessment. MR images were spatially normalized and segmented by tissue type; relative white

156

Denis White ~ Publications PEER-REVIEWED JOURNAL ARTICLES  

E-Print Network [OSTI]

Denis White ~ Publications PEER-REVIEWED JOURNAL ARTICLES: (Some PDF files are provided with permission of the American Congress on Surveying and Mapping and Taylor and Francis) Hopton ME, White D. 2012. A simplified ecological footprint at a regional scale. Journal of Environmental Management 111:279-286. White D

Jenny, Bernhard

157

White Dwarf Properties and the Degenerate Electron Gas  

E-Print Network [OSTI]

White Dwarf Properties and the Degenerate Electron Gas Nicholas Rowell April 10, 2008 Contents 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.2 Consequences for the Mass of White Dwarfs . . . . . . . . . . . . . . . . . . . . 7 3 1 Introduction White dwarfs are the second most common type of star in the Galaxy, and represent

Tittley, Eric

158

White marlin (Tetrapturus albidus) and blue marlin (Makaira nigricans)  

E-Print Network [OSTI]

659 White marlin (Tetrapturus albidus) and blue marlin (Makaira nigricans) are widely distributed assessment indicators indicate that the white marlin population has been severely overfished for several regarding the repro- Movements and spawning of white marlin (Tetrapturus albidus) and blue marlin (Makaira

159

Age of Neoproterozoic Bilatarian Body and Trace Fossils, White  

E-Print Network [OSTI]

Age of Neoproterozoic Bilatarian Body and Trace Fossils, White Sea, Russia: Implications-bearing, shallow marine siliciclastic rocks in the Zimnie Gory section of the White Sea region indicates Ranges, South Australia (18); in the Poleta Formation in the White-Inyo Mountains and Upper Wood Canyon

160

White Salmon Subbasin Plan Prepared for the Northwest Power and  

E-Print Network [OSTI]

#12;i White Salmon Subbasin Plan 5/28/2004 Prepared for the Northwest Power and Conservation Rawding, Washington Department of Fish and Wildlife Wildlife Heather Simmons-Rigdon, Yakama Nation White Nation, Steve VanderPloeg, WDFW, Lee VanTussenbrook, WDFW, and Joe Zendt, Yakama Nation White Salmon

Note: This page contains sample records for the topic "white pelican pelecanus" 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

White Matter Glucose Metabolism during Intracortical Electrostimulation: A Quantitative [18  

E-Print Network [OSTI]

White Matter Glucose Metabolism during Intracortical Electrostimulation: A Quantitative [18 F compared to 27.87 mol/min/100 g at baseline. LCMR- glu in gray and white matter control areas was stable in white matter, correlations between neural activity and LC- MRglu have never been explicitly addressed

162

White Papers Submitted to the Technology Innovation Program  

E-Print Network [OSTI]

White Papers Submitted to the Technology Innovation Program interested parties to submit white papers describing an area of critical national need and how those needs-risk, high-reward R&D. White papers could discuss any area of critical national need of interest

Magee, Joseph W.

163

White Salmon Subbasin Plan Prepared for the Northwest Power and  

E-Print Network [OSTI]

#12;White Salmon Subbasin Plan 5/28/2004 Prepared for the Northwest Power and Conservation Council Rawding, Washington Department of Fish and Wildlife Wildlife Heather Simmons-Rigdon, Yakama Nation White Nation, Steve VanderPloeg, WDFW, Lee VanTussenbrook, WDFW, and Joe Zendt, Yakama Nation White Salmon

164

THE WHITE HOUSE Office of the Press Secretary  

E-Print Network [OSTI]

THE WHITE HOUSE Office of the Press Secretary FOR IMMEDIATE RELEASE September 30, 2013 President for Scholars Laura Paulson ­ Member, Committee for the Preservation of the White House Quyen D. Chu ­ Member of Minnesota. Laura Paulson, Appointee for Member, Committee for the Preservation of the White House Laura

Wisconsin at Madison, University of

165

White LED with High Package Extraction Efficiency  

SciTech Connect (OSTI)

The goal of this project is to develop a high efficiency phosphor converting (white) Light Emitting Diode (pcLED) 1-Watt package through an increase in package extraction efficiency. A transparent/translucent monolithic phosphor is proposed to replace the powdered phosphor to reduce the scattering caused by phosphor particles. Additionally, a multi-layer thin film selectively reflecting filter is proposed between blue LED die and phosphor layer to recover inward yellow emission. At the end of the project we expect to recycle approximately 50% of the unrecovered backward light in current package construction, and develop a pcLED device with 80 lm/W{sub e} using our technology improvements and commercially available chip/package source. The success of the project will benefit luminous efficacy of white LEDs by increasing package extraction efficiency. In most phosphor-converting white LEDs, the white color is obtained by combining a blue LED die (or chip) with a powdered phosphor layer. The phosphor partially absorbs the blue light from the LED die and converts it into a broad green-yellow emission. The mixture of the transmitted blue light and green-yellow light emerging gives white light. There are two major drawbacks for current pcLEDs in terms of package extraction efficiency. The first is light scattering caused by phosphor particles. When the blue photons from the chip strike the phosphor particles, some blue light will be scattered by phosphor particles. Converted yellow emission photons are also scattered. A portion of scattered light is in the backward direction toward the die. The amount of this backward light varies and depends in part on the particle size of phosphors. The other drawback is that yellow emission from phosphor powders is isotropic. Although some backward light can be recovered by the reflector in current LED packages, there is still a portion of backward light that will be absorbed inside the package and further converted to heat. Heat generated in the package may cause a deterioration of encapsulant materials, affecting the performance of both the LED die and phosphor, leading to a decrease in the luminous efficacy over lifetime. Recent studies from research groups at Rensselaer Polytechnic Institute found that, under the condition to obtain a white light, about 40% of the light is transmitted outward of the phosphor layer and 60% of the light is reflected inward.1,2 It is claimed that using scattered photon extraction (SPE) technique, luminous efficacy is increased by 60%. In this project, a transparent/translucent monolithic phosphor was used to replace the powdered phosphor layer. In the normal pcLED package, the powdered phosphor is mixed with silicone either to be deposited on the top of LED die forming a chip level conversion (CLC) white LED or to be casted in the package forming a volume conversion white LED. In the monolithic phosphors there are no phosphor powder/silicone interfaces so it can reduce the light scattering caused by phosphor particles. Additionally, a multi-layer thin film selectively reflecting filter is inserted in the white LED package between the blue LED die and phosphor layer. It will selectively transmit the blue light from the LED die and reflect the phosphor's yellow inward emission outward. The two technologies try to recover backward light to the outward direction in the pcLED package thereby improving the package extraction efficiency.

Yi Zheng; Matthew Stough

2008-09-30T23:59:59.000Z

166

White Nose, (Post) Bawdy Bodies and the Un/dancing Sexy Jewess  

E-Print Network [OSTI]

things: Jewish apathy in America (white guilt) is dead and aKaren. How Jews Became White Folks and What That Says AboutMatter of Whiteness. ” In White, 1-40. London and New York:

Schwadron, Hannah Sarah

2013-01-01T23:59:59.000Z

167

2005 Double white lines on bills of Razorbill 103 DOUBLE WHITE LINES ON THE BILL OF THE  

E-Print Network [OSTI]

2005 Double white lines on bills of Razorbill 103 DOUBLE WHITE LINES ON THE BILL OF THE RAZORBILL.L., MUZAFFAR S.B. & JONES I.L. Lavers J.L., Muzaffar S.B. & Jones I.L. 2006. Double white lines on the bill Seabirds 7(3): 103-108. One of the diagnostic features of the Razorbill Alca torda is the distinct white

Jones, Ian L.

168

The hydraulic jump as a white hole  

E-Print Network [OSTI]

In the geometry of the circular hydraulic jump, the velocity of the liquid in the interior region exceeds the speed of capillary-gravity waves (ripplons), whose spectrum is `relativistic' in the shallow water limit. The velocity flow is radial and outward, and thus the relativistic ripplons cannot propagating into the interior region. In terms of the effective 2+1 dimensional Painleve-Gullstrand metric appropriate for the propagating ripplons, the interior region imitates the white hole. The hydraulic jump represents the physical singularity at the white-hole horizon. The instability of the vacuum in the ergoregion inside the circular hydraulic jump and its observation in recent experiments on superfluid 4He by E. Rolley, C. Guthmann, M.S. Pettersen and C. Chevallier in physics/0508200 are discussed.

G. E. Volovik

2005-10-21T23:59:59.000Z

169

Antonia White: no role for women writers  

E-Print Network [OSTI]

of the "affectations" of pretty women, who define themselves by feminine stereotypes (125). White expresses her disapproval of gender stereotypes in her novels; at times she portrays stereotypically feminine and masculine characters--notably Isabel and Archie... out that by identifying with the Church women are identifying with men, making themselves instruments for their own oppression; as Isabel comments, "Of course [the Catholic church] is run by men" ( The Lost Traveller 122). And men make the most...

Witt, Amanda Beth

1992-01-01T23:59:59.000Z

170

Polymer OLED White Light Development Program  

SciTech Connect (OSTI)

OSRAM Opto Semiconductors (OSRAM) successfully completed development, fabrication and characterization of the large area, polymer based white light OLED prototype at their OLED Research and Development (R&D) facility in San Jose, CA. The program, funded by the Department of Energy (DOE), consisted of three key objectives: (1) Develop new polymer materials and device architectures--in order to improve the performance of organic light emitters. (2) Develop processing techniques--in order to demonstrate and enable the manufacturing of large area, white light and color tunable, solid state light sources. (3) Develop new electronics and driving schemes for organic light sources, including color-tunable light sources. The key performance goals are listed. A world record efficiency of 25 lm/W was established for the solution processed white organic device from the significant improvements made during the project. However, the challenges to transfer this technology from an R&D level to a large tile format such as, the robustness of the device and the coating uniformity of large area panels, remain. In this regard, the purity and the blend nature of the materials are two factors that need to be addressed in future work. During the first year, OSRAM's Materials and Device group (M&D) worked closely with the major polymer material suppliers to develop the polymer emissive technology. M&D was successful in demonstrating a 7-8 lm/W white light source which was based on fluorescent materials. However, it became apparent that the major gains in efficiency could only be made if phosphorescent materials were utilized. Thus, in order to improve the performance of the resulting devices, the focus of the project shifted towards development of solution-processable phosphorescent light emitting diodes (PHOLEDs) and device architectures. The result is a higher efficiency than the outlined project milestone.

Homer Antoniadis; Vi-En Choong; Stelios Choulis; Brian Cumpston; Rahul Gupta; Mathew Mathai; Michael Moyer; Franky So

2005-12-19T23:59:59.000Z

171

Low Voltage White Phosphorescent OLED Achievements  

Broader source: Energy.gov [DOE]

Universal Display Corporation (UDC) and its research partners at Princeton University and the University of Southern California have succeeded in developing a white phosphorescent OLED (PHOLED™) that achieved a record efficiency of 20 lumens per watt. This achievement is the result of the team's collaborative efforts to increase the efficiency of PHOLED lighting by focusing on two critical factors: lowering the drive voltages and increasing the amount of light extracted.

172

1/23/07 White House...  

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

2307 White House Office Of Communications T T w w e e n n t t y y I I n n T T e e n n : : S S t t r r e e n n g g t t h h e e n n i i n n g g A A m m e e r r i i c c a a ' ' s s E...

173

HTGR Mechanistic Source Terms White Paper  

SciTech Connect (OSTI)

The primary purposes of this white paper are: (1) to describe the proposed approach for developing event specific mechanistic source terms for HTGR design and licensing, (2) to describe the technology development programs required to validate the design methods used to predict these mechanistic source terms and (3) to obtain agreement from the NRC that, subject to appropriate validation through the technology development program, the approach for developing event specific mechanistic source terms is acceptable

Wayne Moe

2010-07-01T23:59:59.000Z

174

White Pine in the Northern Forests: An Ecological and Management History of White Pine on the Bad River Reservation of Wisconsin  

E-Print Network [OSTI]

White Pine in the Northern Forests: An Ecological and Management History of White Pine on the Bad-ADAMS, NANCY LANGSTON, AND DAVID J.MLADENOFF white pine inthe northern forests: AN ECOLOGICAL AND MANAGEMENTHISTORY OF WHITE PINE ON THE BAD RIVERRESERVATIONOF WISCONSIN ABSTRACT This essay examines eastern white

Langston, Nancy

175

The White Dwarf -- White Dwarf galactic background in the LISA data  

E-Print Network [OSTI]

LISA (Laser Interferometer Space Antenna) is a proposed space mission, which will use coherent laser beams exchanged between three remote spacecraft to detect and study low-frequency cosmic gravitational radiation. In the low-part of its frequency band, the LISA strain sensitivity will be dominated by the incoherent superposition of hundreds of millions of gravitational wave signals radiated by inspiraling white-dwarf binaries present in our own galaxy. In order to estimate the magnitude of the LISA response to this background, we have simulated a synthesized population that recently appeared in the literature. We find the amplitude of the galactic white-dwarf binary background in the LISA data to be modulated in time, reaching a minimum equal to about twice that of the LISA noise for a period of about two months around the time when the Sun-LISA direction is roughly oriented towards the Autumn equinox. Since the galactic white-dwarfs background will be observed by LISA not as a stationary but rather as a cyclostationary random process with a period of one year, we summarize the theory of cyclostationary random processes, present the corresponding generalized spectral method needed to characterize such process, and make a comparison between our analytic results and those obtained by applying our method to the simulated data. We find that, by measuring the generalized spectral components of the white-dwarf background, LISA will be able to infer properties of the distribution of the white-dwarfs binary systems present in our Galaxy.

Jeffrey A. Edlund; Massimo Tinto; Andrzej Krolak; Gijs Nelemans

2005-04-22T23:59:59.000Z

176

Search for Higgs shifts in white dwarfs  

E-Print Network [OSTI]

We report on a search for differential shifts between electronic and vibronic transitions in carbon-rich white dwarfs BPM 27606 and Procyon B. The absence of differential shifts within the spectral resolution and taking into account systematic effects such as space motion and pressure shifts allows us to set the first upper bound of astrophysical origin on the coupling between the Higgs field and the Kreschmann curvature invariant. Our analysis provides the basis for a more general methodology to derive bounds to the coupling of long-range scalar fields to curvature invariants in an astrophysical setting complementary to the ones available from high-energy physics or table-top experiments.

Roberto Onofrio; Gary A. Wegner

2014-09-30T23:59:59.000Z

177

Technical White Papers | Department of Energy  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

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 Rank EERE:YearRound-Up from theDepartment of Energy Technical Evaluation ofRulemaking | DepartmentWhite

178

Whites Renewable Energy | 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 CenterFranconia, Virginia:FAQ < RAPID Jump to:SeadovCooperative Jump to:Westview,Geothermal Project JumpOpen67308°,Whitehouse,Whites

179

Whiting, Vermont: Energy Resources | 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 CenterFranconia, Virginia:FAQ < RAPID Jump to:SeadovCooperative Jump to:Westview,Geothermal ProjectWhiteside County,WhitfieldWhiting,

180

Sandia National Laboratories: White Light Creation Architectures  

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 Security Administration the1development Sandia, NREL Release Wave EnergyLinks Water PowerWaveDynEFRCOverviewWhite

Note: This page contains sample records for the topic "white pelican pelecanus" 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

Black and White Sociology: Segregation of the Discipline  

E-Print Network [OSTI]

Sociologists UDHR Universal Declaration of Human Rights UHR Universal Human Rights UN United Nations UNIC Universal Negro Improvement Center WRF White Racial Frame WSF White Sociological Frame x TABLE OF CONTENTS Page ABSTRACT... with The Philadelphia Negro (1899), Du Bois demonstrated the urban landscape of the color line, noting segregated black and white neighborhoods and social institutions, like schools, churches, hospitals, social clubs and businesses. The color line in society that Du...

Elias, Sean

2010-10-12T23:59:59.000Z

182

New Efficiency Record Achieved for White OLED Device  

Broader source: Energy.gov [DOE]

Osram Opto-Semiconductors, Inc. has successfully demonstrated a white organic light emitting diode (OLED) with a record efficiency of 25 lumens per watt, the highest known efficiency achieved to date for a polymer-based white OLED. The 25 LPW cool-white-emitting device was produced by applying a standard external inorganic phosphor to Osram's record-breaking blue-emitting phosphorescent polymer device with a peak luminous efficacy of 14 LPW.

183

2012 White Book, Pacific Northwest Loads and Resources Study  

SciTech Connect (OSTI)

The White Book is a planning analysis produced by BPA that informs BPA of its load and resource conditions for sales and purchases. The White Book provides a 10-year look at the expected obligations and resources in the Federal system and PNW region. The White Book is used as a planning tool for the Columbia River Treaty (Treaty) studies, as an information tool for customers and regional interests, and as a publication of information utilized by other planning entities for their analyses. The White Book is not used to guide day-to-day operations of the Federal Columbia River Power System (FCRPS) or determine BPA revenues or rates.

None

2013-06-06T23:59:59.000Z

184

Organic-Inorganic Hetero Junction White Light Emitting Diode.  

E-Print Network [OSTI]

?? The purpose of this thesis work is to design and fabricates organic-inorganic hetero junction White Light Emitting Diode (WLED). In this WLED, inorganic material… (more)

Lubuna Beegum, Shafeek

2008-01-01T23:59:59.000Z

185

White House Announces New Executive Order To Reduce Greenhouse...  

Office of Environmental Management (EM)

the next decade (from 2008 levels) and increase the share of electricity the federal government consumes from renewable sources to 30%. According to the White House, the...

186

ESPC Success Story - Food and Drug Administration (FDA) White...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

(FDA) White Oak Campus espcsswhiteoak.pdf More Documents & Publications Energy Savings Performance Contract Success Stories ESPC Sucess Story - Harold Washington...

187

ORISE: White paper analyzes Deepwater Horizon event for improving...  

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

Horizon and Nuclear and Radiological Incidents: Common Challenges and Solutions White paper analyzes Deepwater Horizon response, identifies approaches for radiological or...

188

White House Council of Economic Advisers and Energy Department...  

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

Department Release New Report on Resiliency of Electric Grid During Natural Disasters White House Council of Economic Advisers and Energy Department Release New Report on...

189

White-Etching Crack Failure Overview, Tomography Analysis, and...  

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

White-Etching Crack Failure Overview, Tomography Analysis, and Test Development Presented by Aaron Greco of Argonne National Laboratory at the Wind Turbine Tribology Seminar 2014....

190

Ms. Victoria A. White Chief Operating Officer Fermilab  

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

INVESTIGATIO N AT THE SANFORD LAB IN LEAD, SOOT DAKOTA Reference: Letter, from V. White to M. Weis, dated October 8, 2013, Subject: NEPA Environmental Evaluation Notification...

191

Investigation of White Etching Crack (WEC) Formation Mechanisms...  

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

Investigation of White Etching Crack (WEC) Formation Mechanisms Under Non-hydrogen Charged Test Conditions Presented by Alex Richardson, Afton Chemical (representing University of...

192

White House Women's Leadership Summit on Climate and Energy recognizes...  

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

is an energy policy scientist in Argonne's Decision and Information Sciences division. White House Women's Leadership Summit on Climate and Energy recognizes Argonne scientists By...

193

White River Valley Electric Cooperative- Energy Efficiency Rebate Program  

Broader source: Energy.gov [DOE]

The residential and commercial appliance and heating rebate program encourages members to purchase Energy Star equipment that qualifies under the White River energy efficiency program. Items...

194

Ms. Victoria A. White Chief Operating Officer Fermilab  

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

1L 60510 Dear Ms. White: SUBJECT: NATIUNAL ENVIRONMENTA L POLICY ACT (NEPA) DETERMINATIO N AT FERMI NATIONAL ACCELERATOR LABORATORY (FERMlLAB) - NEPESE MARSH UPGRADES Reference:...

195

Ms. Victoria A. White Chief Operating Officer Fermilab  

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

SMALL MAGNET PROTOTYPE AND RESEARCH AND DEVELOPMENT Reference: Letter, from V. White to M. Weis, dated December 5, 2013, Subject: National Environmental Policy Act Environmental...

196

Energy Supplier Obligations and White Certificate Schemes: Comparative...  

Open Energy Info (EERE)

Supplier Obligations and White Certificate Schemes: Comparative Analysis of Results in the European Union Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Energy Supplier...

197

Investigations of Bearing Failures Associated with White Etching...  

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

of Bearing Failures Associated with White Etching Areas (irWEAs) in Wind Turbine Gearboxes Presented by Bob Errichello of GEARTECH at the Wind Turbine Tribology...

198

Food and Drug Administration White Oak Campus Environmental Stewardshi...  

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

FEMP ESPC Success Story on water conservation and green energy at the Food and Drug Administration (FDA) White Oak Campus. espcsswhiteoak.pdf More Documents & Publications Energy...

199

A White Book on Faculty of Information Technology, Mathematics and  

E-Print Network [OSTI]

A White Book on Smart Grid Faculty of Information Technology, Mathematics and Electrical............................................................................................................................4 2. Definition of Smart Grid........................................................................................................5 3. Smart Grid Structure

200

Theory of Neutrinos: a White Paper  

SciTech Connect (OSTI)

During 2004, four divisions of the American Physical Society commissioned a study of neutrino physics to take stock of where the field is at the moment and where it is going in the near and far future. Several working groups looked at various aspects of this vast field. The summary was published as a main report entitled ''The Neutrino Matrix'' accompanied by short 50 page versions of the report of each working group. Theoretical research in this field has been quite extensive and touches many areas and the short 50 page report [1] provided only a brief summary and overview of few of the important points. The theory discussion group felt that it may be of value to the community to publish the entire study as a white paper and the result is the current article. After a brief overview of the present knowledge of neutrino masses and mixing and some popular ways to probe the new physics implied by recent data, the white paper summarizes what can be learned about physics beyond the Standard Model from the various proposed neutrino experiments. It also comments on the impact of the experiments on our understanding of the origin of the matter-antimatter asymmetry of the Universe and the basic nature of neutrino interactions as well as the existence of possible additional neutrinos. Extensive references to original literature are provided.

Mohapatra, R.N.; Antusch, S.; Babu, K.S.; Barenboim, G.; Chen, Mu-Chun; Davidson, S.; de Gouvea, A.; de Holanda, P.; Dutta, Bhaskar; Grossman, Y.; Joshipura, A.; Kayser,; Kersten, J.; Keum, Y.Y.; King, S.F.; Langacker, P.; Lindner, M.; Loinaz, W.; Masina, I.; Mocioiu, I.; Mohanty, S.; /Maryland U. /Madrid, Autonoma U. /Southampton U. /Oklahoma

2006-01-11T23:59:59.000Z

Note: This page contains sample records for the topic "white pelican pelecanus" 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.


201

Theory of neutrinos: A White paper  

SciTech Connect (OSTI)

During 2004, four divisions of the American Physical Society commissioned a study of neutrino physics to take stock of where the field is at the moment and where it is going in the near and far future. Several working groups looked at various aspects of this vast field. The summary was published as a main report entitled ''The Neutrino Matrix'' accompanied by short 50 page versions of the report of each working group. Theoretical research in this field has been quite extensive and touches many areas and the short 50 page report [1] provided only a brief summary and overview of few of the important points. The theory discussion group felt that it may be of value to the community to publish the entire study as a white paper and the result is the current article. After a brief overview of the present knowledge of neutrino masses and mixing and some popular ways to probe the new physics implied by recent data, the white paper summarizes what can be learned about physics beyond the Standard Model from the various proposed neutrino experiments. It also comments on the impact of the experiments on our understanding of the origin of the matter-antimatter asymmetry of the Universe and the basic nature of neutrino interactions as well as the existence of possible additional neutrinos. Extensive references to original literature are provided.

Mohapatra, R.N.; Antusch, S.; Babu, K.S.; Barenboim, G.; Chen, Mu-Chun; Davidson, S.; de Gouvea, A.; de Holanda, P.; Dutta, Bhaskar; Grossman, Y.; Joshipura, A.; Kayser,; Kersten, J.; Keum, Y.Y.; King, S.F.; Langacker, P.; Lindner, M.; Loinaz, W.; Masina, I.; Mocioiu, I.; Mohanty, S.; /Maryland U. /Madrid, Autonoma U. /Southampton U. /Oklahoma

2005-10-01T23:59:59.000Z

202

Theory of Neutrinos: A White Paper  

E-Print Network [OSTI]

During 2004, four divisions of the American Physical Society commissioned a study of neutrino physics to take stock of where the field is at the moment and where it is going in the near and far future. Several working groups looked at various aspects of this vast field. The summary was published as a main report entitled ``The Neutrino Matrix'' accompanied by short 50 page versions of the report of each working group. Theoretical research in this field has been quite extensive and touches many areas and the short 50 page report provided only a brief summary and overview of few of the important points. The theory discussion group felt that it may be of value to the community to publish the entire study as a white paper and the result is the current article. After a brief overview of the present knowledge of neutrino masses and mixing and some popular ways to probe the new physics implied by recent data, the white paper summarizes what can be learned about physics beyond the Standard Model from the various proposed neutrino experiments. It also comments on the impact of the experiments on our understanding of the origin of the matter-antimatter asymmetry of the Universe and the basic nature of neutrino interactions as well as the existence of possible additional neutrinos. Extensive references to original literature are provided.

R. N. Mohapatra; S. Antusch; K. S. Babu; G. Barenboim; M. -C. Chen; S. Davidson; A. de Gouvea; P. de Holanda; B. Dutta; Y. Grossman; A. Joshipura; B. Kayser; J. Kersten; Y. Y. Keum; S. F. King; P. Langacker; M. Lindner; W. Loinaz; I. Masina; I. Mocioiu; S. Mohanty; H. Murayama; S. Pascoli; S. T. Petcov; A. Pilaftsis; P. Ramond; M. Ratz; W. Rodejohann; R. Shrock; T. Takeuchi; T. Underwood; L. Wolfenstein

2005-12-02T23:59:59.000Z

203

Freak waves in white dwarfs and magnetars  

SciTech Connect (OSTI)

We report properties of ion acoustic freak waves that propagate in a plasma composed of warm ions and ultrarelativistic electrons and positrons. The dynamics of the nonlinear freak waves is governed by the nonlinear Schroedinger equation. The possible region for the freak waves to exist is defined precisely for typical parameters of white dwarfs and magnetars corona. It is found that for low wave number, the nonlinear ion-acoustic wave packets are structurally stable in magnetars corona than in white dwarfs. However, for large wave numbers the situation is opposite. The critical wave number threshold (k{sub c}), which indicates where the modulational instability sets in, is defined for both applications. It is seen that near to k{sub c} the freak wave amplitude becomes high, but it decreases whenever we stepped away from k{sub c}. For the wave numbers close to k{sub c}, the increase of the unperturbed density ratio of positrons-to-electrons ({beta}) would lead to increase the freak wave amplitude, but for larger wave numbers the amplitude decreases with the increase of {beta}.

Sabry, R. [Theoretical Physics Group, Physics Department, Faculty of Science, Damietta University, New Damietta 34517 (Egypt); Department of Physics, College of Science and Humanitarian Studies, Salman bin Abdulaziz University, Alkharj (Saudi Arabia); International Centre for Advanced Studies in Physical Sciences, Faculty of Physics and Astronomy, Ruhr University Bochum, D-44780 Bochum (Germany); Moslem, W. M. [International Centre for Advanced Studies in Physical Sciences, Faculty of Physics and Astronomy, Ruhr University Bochum, D-44780 Bochum (Germany); Department of Physics, Faculty of Science, Port Said University, Port Said (Egypt); Centre for Theoretical Physics, The British University in Egypt (BUE), El-Shorouk City, Cairo (Egypt); Shukla, P. K. [International Centre for Advanced Studies in Physical Sciences, Faculty of Physics and Astronomy, Ruhr University Bochum, D-44780 Bochum (Germany); Department of Mechanical and Aerospace Engineering and Center for Energy Research, University of California, San Diego, La Jolla, California 92093 (United States)

2012-12-15T23:59:59.000Z

204

White House Conference on Global Climate Change  

SciTech Connect (OSTI)

President Clinton has directed the White House office on Environmental Policy to coordinate an interagency process to develop a plan to fulfill the commitment he made in his Earth Day address on April 21, 1993. This plan will become the cornerstone of the Climate Change Plan that will be completed shortly after the Rio Accord enters into force. The Office on Environmental Policy established the Interagency Climate Change Mitigation Group to draw on the expertise of federal agencies including the National Economic Council; the Council of Economic Advisors; the Office of Science and Technology Policy; the Office of Management and Budget; the National Security Council; the Domestic Policy Council; the Environmental Protection Agency; and the Departments of Energy, Transportation, Agriculture, Interior, Treasury, Commerce, and State. Working groups have been established to examine six key policy areas: energy demand, energy supply, joint implementation, methane and other gases, sinks, and transportation. The purpose of the White House Conference on Global Climate Change was to ``tap the real-world experiences`` of diverse participants and seek ideas and information for meeting the President`s goals. During the opening session, senior administration officials defined the challenge ahead and encouraged open and frank conversation about the best possible ways to meet it.

Not Available

1993-11-01T23:59:59.000Z

205

White dwarf atmosphere models with Ly-$?$ opacity in the analysis of the white dwarf cooling sequence of NGC 6397  

E-Print Network [OSTI]

We discuss the importance of pure hydrogen white dwarf atmosphere models with Ly-$\\rm \\alpha$ far red wing opacity in the analysis of the white dwarf cooling sequence of the globular cluster NGC 6397. Our recently improved atmosphere models account for the previously missing opacity from the Ly-$\\rm \\alpha$ hydrogen line broadened by collisions of the absorbing hydrogen atoms with molecular and atomic hydrogen. These models are the first that well reproduce the UV colors and spectral energy distributions of cool white dwarfs with $T_{\\rm eff}white dwarf cooling sequence using atmosphere models that do not include the correct Ly-$\\alpha$ opacity is underestimated by $\\sim 0.5$ Gyr. Our analysis shows that it is essential to use white dwarf atmosphere models with Ly-$\\rm \\alpha$ opacity for precise dating of old stellar populations from white dwarf cooling sequences.

Piotr M. Kowalski

2007-08-28T23:59:59.000Z

206

100 LPW 800 Lm Warm White LED  

SciTech Connect (OSTI)

An illumination grade warm white (WW) LED, having correlated color temperature (CCT) between 2800 K and 3500K and capable of producing 800 lm output at 100 lm/W, has been developed in this program. The high power WW LED is an ideal source for use as replacement for incandescent, and Halogen reflector and general purpose lamps of similar lumen value. Over the two year period, we have made following accomplishments: developed a high power warm white LED product and made over 50% improvements in light output and efficacy. The new high power WW LED product is a die on ceramic surface mountable LED package. It has four 1x1 mm{sup 2} InGaN pump dice flip chip attached to a ceramic submount in 2x2 array, covered by warm white phosphor ceramic platelets called Lumiramicâ?¢ and an overmolded silicone lens encapsulating the LED array. The performance goal was achieved through breakthroughs in following key areas: (1) High efficiency pump LED development through pump LED active region design and epi growth quality improvement (funded by internal programs). (2) Increase in injection efficiency (IE) represented by reduction in forward voltage (V{sub f}) through the improvement of the silver-based p-contact and a reduction in spreading resistance. The injection efficiency was increased from 80% at the start of the program to 96% at the end of the program at 700 mA/mm{sup 2}. (3) Improvement in thermal design as represented by reduction in thermal resistance from junction to case, through improvement of the die to submount connection in the thin film flip chip (TFFC) LED and choosing the submount material of high thermal conductivity. A thermal resistance of 1.72 K/W was demonstrated for the high power LED package. (4) Improvement in extraction efficiency from the LED package through improvement of InGaN die level and package level optical extraction efficiency improvement. (5) Improvement in phosphor system efficiency by improving the lumen equivalent (LE) and phosphor package efficiency (PPE) through improvement in phosphor-package interactions. Another achievement in the development of the phosphor integration technology is the demonstration of tight color control. The high power WW LED product developed has been proven to have good reliability. The manufacturing of the product will be done in Philips Lumiledsâ?? LUXEON Rebel production line which has produced billions of high power LEDs. The first high power WW LED product will be released to the market in 2011.

Decai Sun

2010-10-31T23:59:59.000Z

207

Remyelination failure following white matter stroke: new targets for repair identified by oligodendrocyte progenitor cell transcriptome database.  

E-Print Network [OSTI]

Differences between White Matter Stroke and Immune-mediated32 White Matter Stroke …………………………………………………..……………………… 3343 – 97 White Matter Stroke Model Using the Vasoconstrictive

Sozmen, Elif Guler

2013-01-01T23:59:59.000Z

208

White Paper: CA and Microsoft for Interoperable, Secure Web Business  

E-Print Network [OSTI]

White Paper: CA and Microsoft for Interoperable, Secure Web Business Enablement Author: Dave, and improve outreach to business partners and customers. This white paper reviews how solutions from CA (CA SiteMinder, CA Federation Manager) and Microsoft (Active Directory Federation Services (formerly code

Narasayya, Vivek

209

White noise distribution theory for the Fermion system  

E-Print Network [OSTI]

In this paper, we give the white noise calculus for the Fermion system and prove the Fock expansion. Each continuous linear operator on Fermionic white noise functionals is uniquely represented by the series of integral kernel operators. This series is called the Fock expansion.

Yoshihito Shimada

2005-12-09T23:59:59.000Z

210

2013 White Book, Pacific Northwest Loads and Resources Study (summary)  

SciTech Connect (OSTI)

The 2013 Pacific Northwest Loads and Resources Study (2013 White Book) is BPA's latest projection of the Pacific Northwest regional retail loads, contract obligations, contract purchases, and resource capabilities. The 2013 White Book is a snapshot of conditions as of October 1, 2013, documenting the loads and resources for the Federal system and region for the 10-year study period OY 2014 through 2023. The White Book contains projections of regional and Federal system load and resource capabilities, along with relevant definitions and explanations. The White Book also contains information obtained from formalized resource planning reports and data submittals including those from individual utilities, the Northwest Power and Conservation Council (Council), and the Pacific Northwest Utilities Conference Committee (PNUCC). Starting with the 2012 White Book, BPA changed the annual production schedule for future White Books. BPA is scheduled to publish a complete White Book, which includes a Federal System Needs Assessment analysis, every other year (even years). In the odd-numbered years, BPA will publish a biennial summary update (Supplement) that only contains major changes to the Federal System and Regional System analyses that have occurred since the last White Book. http://www.bpa.gov/power/pgp/whitebook/2013/index.shtml.

None

2013-10-01T23:59:59.000Z

211

Introduction One of the challenges of white potato production, as  

E-Print Network [OSTI]

Introduction One of the challenges of white potato production, as with any crop, is the efficient-textured, low-organic matter soils common to the Eastern Shore, the premier potato-producing region in Virginia. These factors make the appropriate N rate and N application timing critical for successful white potato

Liskiewicz, Maciej

212

a microsoft white paper Drilling for new Business Value  

E-Print Network [OSTI]

a microsoft white paper Drilling for new Business Value How innovative oil and gas companies Perez, Enterprise Architect, Microsoft #12;a microsoft white paper Drilling for new B usiness Value 2 for new B usiness Value 3 executive summary as the buzz about big data makes the leap from technology

Bernstein, Phil

213

www.nasa.gov WHITE SANDS MISSILE RANGE ACCESS CAPABILITIES  

E-Print Network [OSTI]

and missile launch, tracking, and recovery · Nuclear effects testing · High-speed sled track · Directed energy weapons testing · Climatic and dynamic environments testing · Atmospheric research · Electronicwww.nasa.gov WHITE SANDS MISSILE RANGE ACCESS CAPABILITIES SUMMARY White Sands Test Facility (WSTF

214

EARLY LIFE HISTORY OF WHITE BASS IN LAKE POINSETT  

E-Print Network [OSTI]

SOUTH DAKOTA a1/-F c ) o o ~ 0 EARLY LIFE HISTORY OF WHITE BASS IN LAKE POINSETT South Dakota Department of Game, Fish and Parks Wildlife Division Joe Foss Building Pierre, South Dakota 57501 OF WHITE BASS IN LAKE POINSETT 1999 Statewide Fisheries Investigations Completion Report by H. Denise Beck

215

SNOUT DIMORPHISM IN WHITE STURGEON, ACIPENSER TRANSMONTANUS, FROM THE  

E-Print Network [OSTI]

SNOUT DIMORPHISM IN WHITE STURGEON, ACIPENSER TRANSMONTANUS, FROM THE COLUMBIA RIVER AT HANFORD and adult white sturgeon in the Hanford reach of the Columbia River. Materials and Methods Sturgeon were not been reported in other areas of the species range. The occurrence of this dimorphism at Hanford may

216

Porting the .NET Micro Framework A Microsoft Technical White Paper  

E-Print Network [OSTI]

Porting the .NET Micro Framework A Microsoft Technical White Paper December 10, 2007 AbstractShow-capable devices to port the .NET Micro Framework to new hardware platforms. This white paper introduces the .NET Micro Framework architecture with a view toward porting it to a new hardware platform. It then discusses

Hunt, Galen

217

Maximum mass of magnetic white dwarfs  

E-Print Network [OSTI]

We revisit in this work the problem of the maximum masses of magnetized White Dwarfs (WD). The impact of a strong magnetic field onto the structure equations is addressed. The pressures become anisotropic due to the presence of the magnetic field and split into a parallel and perpendicular components. We first construct stable solutions of TOV equations for the parallel pressures, and found that physical solutions vanish for the perpendicular pressure when $B \\gtrsim 10^{13}$ G. This fact establishes an upper bound for a magnetic field and the stability of the configurations in the (quasi) spherical approximation. Our findings also indicate that it is not possible to obtain stable magnetized WD with super Chandrasekhar masses because the values of the magnetic field needed for them are higher than this bound. To proceed into the anisotropic regime, we derived structure equations appropriated for a cylindrical metric with anisotropic pressures. From the solutions of the structure equations in cylindrical symme...

Paret, D Manreza; Horvath, J E

2015-01-01T23:59:59.000Z

218

White Paper on Closer Integration of IDV and McIDAS-V This White Paper presents a series of recommendations to more closely align the development  

E-Print Network [OSTI]

White Paper on Closer Integration of IDV and McIDAS-V Abstract: This White Paper presents a series's next generation operational satellite programs and from fees collected from the MUG members. This White benefit. This White Paper asserts that by working together, the two projects can combine their talent

219

PICS White Paper Guidelines PICS white papers are solutions-oriented reports of approximately 5,000 words in length that explore, in-  

E-Print Network [OSTI]

PICS White Paper Guidelines PICS white papers are solutions-oriented reports of approximately 5 the provincial government or as the result of a PICS initiated or independent proposal. Purpose PICS white papers. The white paper series aims to: · increase awareness and understanding of specific climate-related problems

Pedersen, Tom

220

Debris Disks Around White Dwarfs: The DAZ Connection  

E-Print Network [OSTI]

We present near-infrared spectroscopic observations of 20 previously known DAZ white dwarfs obtained at the NASA Infrared Telescope Facility. Two of these white dwarfs (G29-38 and GD362) are known to display significant K-band excesses due to circumstellar debris disks. Here we report the discovery of excess K-band radiation from another DAZ white dwarf, WD0408-041 (GD56). Using spectroscopic observations, we show that the excess radiation cannot be explained by a stellar or substellar companion, and is likely to be caused by a warm debris disk. Our observations strengthen the connection between the debris disk phenomena and the observed metal abundances in cool DAZ white dwarfs. However, we do not find any excess infrared emission from the most metal rich DAZs with $T_{\\rm eff}=$ 16000 -- 20000 K. This suggests that the metal abundances in warmer DAZ white dwarfs may require another explanation.

Mukremin Kilic; Ted von Hippel; S. K. Leggett; D. E. Winget

2006-03-28T23:59:59.000Z

Note: This page contains sample records for the topic "white pelican pelecanus" 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

The white dwarf luminosity function. I. Statistical errors and alternatives  

E-Print Network [OSTI]

Over the years, several methods have been proposed to compute galaxy luminosity functions, from the most simple ones -counting sample objects inside a given volume- to very sophisticated ones -like the C- method, the STY method or the Choloniewski method, among others. However, only the V/Vmax method is usually employed in computing the white dwarf luminosity function and other methods have not been applied so far to the observational sample of spectroscopically identified white dwarfs. Moreover, the statistical significance of the white dwarf luminosity function has also received little attention and a thorough study still remains to be done. In this paper we study, using a controlled synthetic sample of white dwarfs generated using a Monte Carlo simulator, which is the statistical significance of the white dwarf luminosity function and which are the expected biases. We also present a comparison between different estimators for computing the white dwarf luminosity function. We find that for sample sizes large enough the V/Vmax method provides a reliable characterization of the white dwarf luminosity function, provided that the input sample is selected carefully. Particularly, the V/Vmax method recovers well the position of the cut-off of the white dwarf luminosity function. However, this method turns out to be less robust than the Choloniewski method when the possible incompletenesses of the sample are taken into account. We also find that the Choloniewski method performs better than the V/Vmax method in estimating the overall density of white dwarfs, but misses the exact location of the cut-off of the white dwarf luminosity function.

E. M. Geijo; S. Torres; J. Isern; E. Garcia-Berro

2006-03-22T23:59:59.000Z

222

Microsoft PowerPoint - 12 Holman White PM Conference 2010 Rev...  

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

2 Holman White PM Conference 2010 Rev 2 revised Microsoft PowerPoint - 12 Holman White PM Conference 2010 Rev 2 revised Microsoft PowerPoint - 12 Holman White PM Conference 2010...

223

White Kids: Identity Construction, Critical Mass, and Symbolic Exclusion in High School Cliques and other Groups  

E-Print Network [OSTI]

J. R. , & Vera, H. (1995). White Racism: The Basics. NewH. , & Batur, H. (2001). White racism. New York: Routledge.Gallagher, C. (1997). White racial formation: Into the

Lueck, Kerstin; Steffen, Hayley

2011-01-01T23:59:59.000Z

224

Intersectionality and the Perpetuation of White Male Power through Interracial Sexual Violence  

E-Print Network [OSTI]

The purpose of this dissertation research is to investigate the reactions and attitudes of white men, white women, black men, and black women to the sexual violence of enslaved black women carried out by white men. Using an intersectional approach...

Feinstein, Rachel Anne

2014-04-02T23:59:59.000Z

225

White fibrous papulosis of the neck: The first South American case  

E-Print Network [OSTI]

PubMed ] 13. Wang DG, Zhu WY. White fibrous papulosis of the14. Kim HS,Yu DS,Kim JW. White fibrous papulosis of theS, Harada T, Nishikawa T. White fibrous papulosis of the

2009-01-01T23:59:59.000Z

226

Love isn't always black and white: understanding black-white interracial couples, their challenges, and their dyadic communication  

E-Print Network [OSTI]

of their privileged position in society, whites life situations had never had necessitated that they learn about the black co-culture. The black partners also reported seeing the white community differently by understanding the nuances of racism at a deeper level...

Wilson, Misty Michelle

2009-05-15T23:59:59.000Z

227

Traffic Light Protocol: WHITE Traffic Light Protocol: WHITE (information may be distributed without restriction, subject to copyright controls.)  

E-Print Network [OSTI]

the event for their gain. The Threats: Internet watch groups and cyber security experts have already potential cyber threats please visit the Center for Internet Security website at CISecurity.org. #12;Traffic Light Protocol: WHITE Traffic Light Protocol: WHITE (information may be distributed without

Thomas, Andrew

228

Responding to the Risk of White Shark Attack Updated Statistics, Prevention, Control  

E-Print Network [OSTI]

477 CHAPTER 31 Responding to the Risk of White Shark Attack Updated Statistics, Prevention, Control ................................................................................................................................... 478 White Shark Attack Statistics........................................................................................................ 479 Definition of Shark Attack

Klimley, A. Peter

229

E-Print Network 3.0 - acroporid white syndrome Sample Search...  

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

acroporid white syndrome Search Powered by Explorit Topic List Advanced Search Sample search results for: acroporid white syndrome Page: << < 1 2 3 4 5 > >> 1 Thermal Stress and...

230

HASKELL & WHITE CORPORATE REPORTING & GOVERNANCE CONFERENCE SERIES Blending Theory with Practice  

E-Print Network [OSTI]

HASKELL & WHITE CORPORATE REPORTING & GOVERNANCE CONFERENCE SERIES Blending Theory with Practice Pinnell, Managing Partner of Haskell & White. GUIDELINES FOR PAPER SUBMISSION Papers are invited from

de Lijser, Peter

231

E-Print Network 3.0 - atherosclerosis cerebral white Sample Search...  

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

cerebral white Search Powered by Explorit Topic List Advanced Search Sample search results for: atherosclerosis cerebral white Page: << < 1 2 3 4 5 > >> 1 Syrian Hamster model of...

232

E-Print Network 3.0 - adult mouse white Sample Search Results  

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

mouse white Search Powered by Explorit Topic List Advanced Search Sample search results for: adult mouse white Page: << < 1 2 3 4 5 > >> 1 Boston University Computer Science...

233

E-Print Network 3.0 - aromatic white spirit Sample Search Results  

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

white spirit Search Powered by Explorit Topic List Advanced Search Sample search results for: aromatic white spirit Page: << < 1 2 3 4 5 > >> 1 International Journal of Mass...

234

E-Print Network 3.0 - attenuate white matter Sample Search Results  

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

white matter Search Powered by Explorit Topic List Advanced Search Sample search results for: attenuate white matter Page: << < 1 2 3 4 5 > >> 1 Parametric Transverse Relaxation...

235

E-Print Network 3.0 - arabidopsis immutans white Sample Search...  

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

immutans white Search Powered by Explorit Topic List Advanced Search Sample search results for: arabidopsis immutans white Page: << < 1 2 3 4 5 > >> 1 Deletion of the...

236

White dwarfs in the European Galactic Plane Surveys (EGAPS)  

E-Print Network [OSTI]

The space density of white dwarfs is highly uncertain even nearby. This results from the fact that the known sample of white dwarfs is largely incomplete in part because most white dwarfs have been discovered as by-products in non-dedicated surveys. In order to obtain more accurate white dwarf space densities and scale heights we must build up a complete sample of white dwarfs. The European Galactic Plane Surveys (EGAPS) are the best database to search for white dwarfs as they will provide broad band (U, g', r', i') and narrow band (Halpha and HeI) measurements for one per cent of all the stars in the Galaxy. By looking at the Galactic Plane, where most stars are, we ensure that we are obtaining a complete sample. The space densities obtained from EGAPS can then be compared with those found in high latitude surveys such as the Sloan Digital Sky Survey (SDSS). The methods used to identify white dwarfs using the colours available in EGAPS are described and some preliminary results presented.

L. Morales-Rueda; P. J. Groot; R. Napiwotzki; J. Drew; the EGAPS collaboration

2006-10-24T23:59:59.000Z

237

The Mystery Deepens: Spitzer Observations of Cool White Dwarfs  

E-Print Network [OSTI]

We present 4.5$\\mu$m and 8$\\mu$m photometric observations of 18 cool white dwarfs obtained with the Spitzer Space Telescope. Our observations demonstrate that four white dwarfs with T_eff< 6000 K show slightly depressed mid-infrared fluxes relative to white dwarf models. In addition, another white dwarf with a peculiar optical and near-infrared spectral energy distribution (LHS 1126) is found to display significant flux deficits in Spitzer observations. These mid-infrared flux deficits are not predicted by the current white dwarf models including collision induced absorption due to molecular hydrogen. We postulate that either the collision induced absorption calculations are incomplete or there are other unrecognized physical processes occuring in cool white dwarf atmospheres. The spectral energy distribution of LHS 1126 surprisingly fits a Rayleigh-Jeans spectrum in the infrared, mimicking a hot white dwarf with effective temperature well in excess of 10$^5$ K. This implies that the source of this flux deficit is probably not molecular absorption but some other process.

Mukremin Kilic; Ted von Hippel; Fergal Mullally; William T. Reach; Marc J. Kuchner; D. E. Winget; Adam Burrows

2006-01-13T23:59:59.000Z

238

Near-Infrared Photometric Analyses of White Dwarf Stars  

E-Print Network [OSTI]

We review the available near- and mid- infrared photometry data sets for white dwarfs from the Two Micron All-Sky Survey (2MASS) Point Source Catalog and the Spitzer Space Telescope. These data sets have been widely used to search for white dwarfs with an infrared excess as well as to characterize the atmosphere of cool white dwarfs. We evaluate the reliability of the 2MASS photometry by performing a statistical comparison with published JHK CIT magnitudes, and by carrying out a detailed model atmosphere analysis of the available photometry. We then present a critical examination of various results published in the literature including data from the Spitzer Space Telescope.

P. -E. Tremblay; P. Bergeron

2006-11-29T23:59:59.000Z

239

White Dwarfs in NGC 6791: Avoiding the Helium Flash  

E-Print Network [OSTI]

We propose that the anomalously bright white dwarf luminosity function observed in NGC 6791 (Bedin et al 2005) is the consequence of the formation of 0.5 Msun white dwarfs with Helium cores instead of Carbon cores. This may happen if mass loss during the ascent of the Red Giant Branch is strong enough to prevent a star from reaching the Helium flash. Such a model can explain the slower white dwarf cooling (relative to standard models) and fits naturally with scenarios advanced to explain Extreme Horizontal Branch stars, a population of which are also found in this cluster.

Brad Hansen

2005-07-12T23:59:59.000Z

240

DISCOVERY OF AN ULTRAMASSIVE PULSATING WHITE DWARF  

SciTech Connect (OSTI)

We announce the discovery of the most massive pulsating hydrogen-atmosphere white dwarf (WD) ever discovered, GD 518. Model atmosphere fits to the optical spectrum of this star show it is a 12, 030 {+-} 210 K WD with a log g =9.08 {+-} 0.06, which corresponds to a mass of 1.20 {+-} 0.03 M{sub Sun }. Stellar evolution models indicate that the progenitor of such a high-mass WD endured a stable carbon-burning phase, producing an oxygen-neon-core WD. The discovery of pulsations in GD 518 thus offers the first opportunity to probe the interior of a WD with a possible oxygen-neon core. Such a massive WD should also be significantly crystallized at this temperature. The star exhibits multi-periodic luminosity variations at timescales ranging from roughly 425 to 595 s and amplitudes up to 0.7%, consistent in period and amplitude with the observed variability of typical ZZ Ceti stars, which exhibit non-radial g-mode pulsations driven by a hydrogen partial ionization zone. Successfully unraveling both the total mass and core composition of GD 518 provides a unique opportunity to investigate intermediate-mass stellar evolution, and can possibly place an upper limit to the mass of a carbon-oxygen-core WD, which in turn constrains Type Ia supernovae progenitor systems.

Hermes, J. J.; Castanheira, Barbara G.; Winget, D. E.; Montgomery, M. H.; Harrold, Samuel T. [Department of Astronomy, University of Texas at Austin, Austin, TX 78712 (United States); Kepler, S. O. [Instituto de Fisica, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS (Brazil); Gianninas, A. [Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, 440 W. Brooks Street, Norman, OK 73019 (United States); Brown, Warren R., E-mail: jjhermes@astro.as.utexas.edu [Smithsonian Astrophysical Observatory, 60 Garden Street, Cambridge, MA 02138 (United States)

2013-07-01T23:59:59.000Z

Note: This page contains sample records for the topic "white pelican pelecanus" 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

White dwarf masses in cataclysmic variables  

E-Print Network [OSTI]

The white dwarf (WD) mass distribution of cataclysmic variables (CVs) has recently been found to dramatically disagree with the predictions of the standard CV formation model. The high mean WD mass among CVs is not imprinted in the currently observed sample of CV progenitors and cannot be attributed to selection effects. Two possibilities have been put forward: either the WD grows in mass during CV evolution, or in a significant fraction of cases, CV formation is preceded by a (short) phase of thermal time-scale mass transfer (TTMT) in which the WD gains a sufficient amount of mass. We investigate if either of these two scenarios can bring theoretical predictions and observations into agreement. We employed binary population synthesis models to simulate the present intrinsic CV population. We incorporated aspects specific to CV evolution such as an appropriate mass-radius relation of the donor star and a more detailed prescription for the critical mass ratio for dynamically unstable mass transfer. We also imp...

Wijnen, T P G; Schreiber, M R

2015-01-01T23:59:59.000Z

242

Water Integration Project Science Strategies White Paper  

SciTech Connect (OSTI)

This white paper has been prepared to document the approach to develop strategies to address Idaho National Engineering and Environmental Laboratory (INEEL) science and technology needs/uncertainties to support completion of INEEL Idaho Completion Project (Environmental Management [EM]) projects against the 2012 plan. Important Idaho Completion Project remediation and clean-up projects include the 2008 OU 10-08 Record of Decision, completion of EM by 2012, Idaho Nuclear Technology and Engineering Center Tanks, INEEL CERCLA Disposal Facility, and the Radioactive Waste Management Complex. The objective of this effort was to develop prioritized operational needs and uncertainties that would assist Operations in remediation and clean-up efforts at the INEEL and develop a proposed path forward for the development of science strategies to address these prioritized needs. Fifteen needs/uncertainties were selected to develop an initial approach to science strategies. For each of the 15 needs/uncertainties, a detailed definition was developed. This included extracting information from the past interviews with Operations personnel to provide a detailed description of the need/uncertainty. For each of the 15 prioritized research and development needs, a search was performed to identify the state of the associated knowledge. The knowledge search was performed primarily evaluating ongoing research. The ongoing research reviewed included Environmental Systems Research Analysis, Environmental Management Science Program, Laboratory Directed Research and Development, Inland Northwest Research Alliance, United States Geological Survey, and ongoing Operations supported projects. Results of the knowledge search are documented as part of this document.

Alan K. Yonk

2003-09-01T23:59:59.000Z

243

ORIGINAL CONTRIBUTION Association of White Matter Hyperintensity Volume  

E-Print Network [OSTI]

ORIGINAL CONTRIBUTION Association of White Matter Hyperintensity Volume With Decreased Cognitive was restricted to the study of older in- dividuals, limiting our understanding of the full impact of WMH

California at Davis, University of

244

NextSTEPS White Paper: Three Routes Forward for Biofuels  

E-Print Network [OSTI]

NextSTEPS White Paper: Three Routes Forward for Biofuels: Incremental, Transitional, and Leapfrog NOT CITE #12;Three Routes Forward for Biofuels: Incremental, Transitional, and Leapfrog 2 Contents ......................................................................................................................................12 1.a. The Need for Low Carbon Biofuels

California at Davis, University of

245

MOF Coating a Promising Path to White LEDs  

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

(MOF); the structure was determined at Beamline 11.3.1. Coating a blue light-emitting diode (LED) with this compound readily generates white light with high luminous...

246

Lab White Paper Hitachi Unified Compute Platform (UCP)  

E-Print Network [OSTI]

Architectures for Private Clouds By Kerry Dolan, Lab Analyst February 2014 This ESG Lab White Paper Reference Architecture for Private Clouds 2 © 2014 by The Enterprise Strategy Group, Inc. All Rights? ....................................................................................................................... 4 Microsoft Private Cloud Fast Track

Chaudhuri, Surajit

247

Karen, White, Appeal of Honeywell International, Inc. ASBCA No...  

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

c e - E x c e l l e n c e Appeal of Honeywell International, Inc. ASBCA No. 57779 Karen White Staff Attorney USAF Utility Law Field Support Center 1 Case Background n In July...

248

Ms. Victoria A. White Chief Operating Officer Fermilab  

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

jp .I- 2414 FSO ScytE l ..J ztna FSO Bollina Reference: Letter, from V. White to M. Weis, dated January 30, 2014, Subject: National Environmental Policy Act...

249

White County REMC- Residential Geothermal Heat Pump Rebate Program  

Broader source: Energy.gov [DOE]

White County REMC offers incentives for the purchase and installation of energy efficient heat pumps. Air-source heat pumps are eligible for a rebate of $300, while geothermal heat pumps are...

250

White House Solar Champions of Change- Watch Now  

Broader source: Energy.gov [DOE]

On April 17, 2014 the White House honored solar energy deployment Champions of Change from across the United States. The honorees include several current and former SunShot awardees.

251

White Creek and Nine Canyon wind farms Fact Sheet  

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

(MW) of wind storage and shaping service to help integrate power from the proposed White Creek Wind Project in Klickitat Co., Wash., into the Northwest power system. BPA also...

252

Advances in Chip Technology, Packaging Enable White LED Breakthroughs  

Broader source: Energy.gov [DOE]

Significant advances in chip technology have enabled Cree, Inc.'s Santa Barbara Technology Center to demonstrate white LEDs with record efficacies as high as 74 lumens per watt - on par with...

253

White organic light-emitting diodes: Status and perspective  

E-Print Network [OSTI]

White organic light-emitting diodes (OLEDs) are ultrathin, large-area light sources made from organic semiconductor materials. Over the past decades, much research has been spent on finding suitable materials to realize ...

Reineke, Sebastian

254

New report from White House outlines largest problems facing...  

Open Energy Info (EERE)

report from White House outlines largest problems facing United States energy grid Home > Blogs > Graham7781's blog Graham7781's picture Submitted by Graham7781(2017) Super...

255

Deep Frames, White Men's Discourse, and Black Female Bodies  

E-Print Network [OSTI]

In this qualitative study, I examine the persistent trend of black women as an excluded relationship partner for white men. Integral to understanding the exclusion of black women as relationship partners is the construction of black female bodies...

Slatton, Brittany C.

2012-02-14T23:59:59.000Z

256

White organic light-emitting diodes: Status and perspective  

E-Print Network [OSTI]

White organic light-emitting diodes (OLEDs) are ultra-thin, large-area light sources made from organic semiconductor materials. Over the last decades, much research has been spent on finding the suitable materials to realize highly efficient monochrome and white OLEDs. With their high efficiency, color-tunability, and color-quality, white OLEDs are emerging to become one of the next generation light sources. In this review, we discuss the physics of a variety of device concepts that are introduced to realize white OLEDs based on both polymer and small molecule organic materi als. Owing to the fact that about 80 % of the internally generated photons are trapped within the thin-film layer structure, we put a second focus on reviewing promising concepts for improved light outcoupling.

Reineke, Sebastian; Lüssem, Björn; Leo, Karl

2013-01-01T23:59:59.000Z

257

The New Class of Dusty DAZ White Dwarfs  

E-Print Network [OSTI]

Our mid-infrared survey of 124 white dwarfs with the Spitzer Space Telescope and the IRAC imager has revealed an infrared excess associated with the white dwarf WD 2115-560 naturally explained by circumstellar dust. This object is the fourth white dwarf observed to have circumstellar dust. All four are DAZ white dwarfs, i.e. they have both photospheric Balmer lines and photospheric metal lines. We discuss these four objects as a class, which we abbreviate "DAZd", where the "d" stands for "dust". Using an optically-thick, geometrically-thin disk model analogous to Saturn's rings, we find that the inner disk edges are at >~0.1 to 0.2 Ro and that the outer disk edges are ~0.3 to 0.6 Ro. This model naturally explains the accretion rates and lifetimes of the detected WD disks and the accretion rates inferred from photospheric metal abundances.

Ted von Hippel; Marc J. Kuchner; Mukremin Kilic; Fergal Mullally; William T. Reach

2007-03-18T23:59:59.000Z

258

Quantitative analysis of cerebral white matter anatomy from diffusion MRI  

E-Print Network [OSTI]

In this thesis we develop algorithms for quantitative analysis of white matter fiber tracts from diffusion MRI. The presented methods enable us to look at the variation of a diffusion measure along a fiber tract in a single ...

Maddah, Mahnaz

2008-01-01T23:59:59.000Z

259

QUIESCENT NUCLEAR BURNING IN LOW-METALLICITY WHITE DWARFS  

SciTech Connect (OSTI)

We discuss the impact of residual nuclear burning in the cooling sequences of hydrogen-rich (DA) white dwarfs with very low metallicity progenitors (Z = 0.0001). These cooling sequences are appropriate for the study of very old stellar populations. The results presented here are the product of self-consistent, fully evolutionary calculations. Specifically, we follow the evolution of white dwarf progenitors from the zero-age main sequence through all the evolutionary phases, namely the core hydrogen-burning phase, the helium-burning phase, and the thermally pulsing asymptotic giant branch phase to the white dwarf stage. This is done for the most relevant range of main-sequence masses, covering the most usual interval of white dwarf masses—from 0.53 M {sub ?} to 0.83 M {sub ?}. Due to the low metallicity of the progenitor stars, white dwarfs are born with thicker hydrogen envelopes, leading to more intense hydrogen burning shells as compared with their solar metallicity counterparts. We study the phase in which nuclear reactions are still important and find that nuclear energy sources play a key role during long periods of time, considerably increasing the cooling times from those predicted by standard white dwarf models. In particular, we find that for this metallicity and for white dwarf masses smaller than about 0.6 M {sub ?}, nuclear reactions are the main contributor to the stellar luminosity for luminosities as low as log (L/L {sub ?}) ? –3.2. This, in turn, should have a noticeable impact in the white dwarf luminosity function of low-metallicity stellar populations.

Miller Bertolami, Marcelo M.; Althaus, Leandro G. [Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque s/n, 1900 La Plata (Argentina)] [Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque s/n, 1900 La Plata (Argentina); García-Berro, Enrique [Departament de Física Aplicada, Universitat Politècnica de Catalunya, c/Esteve Terrades 5, E-08860 Castelldefels (Spain)] [Departament de Física Aplicada, Universitat Politècnica de Catalunya, c/Esteve Terrades 5, E-08860 Castelldefels (Spain)

2013-09-20T23:59:59.000Z

260

Acoustic white holes in flowing atomic Bose-Einstein condensates  

E-Print Network [OSTI]

We study acoustic white holes in a steadily flowing atomic Bose-Einstein condensate. A white hole configuration is obtained when the flow velocity goes from a super-sonic value in the upstream region to a sub-sonic one in the downstream region. The scattering of phonon wavepackets on a white hole horizon is numerically studied in terms of the Gross-Pitaevskii equation of mean-field theory: dynamical stability of the acoustic white hole is found, as well as a signature of a nonlinear back-action of the incident phonon wavepacket onto the horizon. The correlation pattern of density fluctuations is numerically studied by means of the truncated-Wigner method which includes quantum fluctuations. Signatures of the white hole radiation of correlated phonon pairs by the horizon are characterized; analogies and differences with Hawking radiation from acoustic black holes are discussed. In particular, a short wavelength feature is identified in the density correlation function, whose amplitude steadily grows in time since the formation of the horizon. The numerical observations are quantitatively interpreted by means of an analytical Bogoliubov theory of quantum fluctuations for a white hole configuration within the step-like horizon approximation.

Carlos Mayoral; Alessio Recati; Alessandro Fabbri; Renaud Parentani; Roberto Balbinot; Iacopo Carusotto

2010-09-30T23:59:59.000Z

Note: This page contains sample records for the topic "white pelican pelecanus" 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

Ages of White Dwarf-Red Subdwarf Systems  

E-Print Network [OSTI]

We provide the first age estimates for two recently discovered white dwarf-red subdwarf systems, LHS 193AB and LHS 300AB. These unusual systems provide a new opportunity for linking the reliable age estimates for the white dwarfs to the (measurable) metallicities of the red subdwarfs. We have obtained precise photometry in the $V_{J}R_{KC}I_{KC}JH$ bands and spectroscopy covering from 6000\\AA to 9000\\AA for the two new systems, as well as for a comparison white dwarf-main sequence red dwarf system, GJ 283 AB. Using model grids available in the literature, we estimate the cooling age as well as temperature, surface gravity, mass, progenitor mass and {\\it total} lifetimes of the white dwarfs. The results indicate that the two new systems are probably ancient thick disk objects with ages of at least 6-9 Gyr. We also conduct searches of red dwarf and white dwarf compendia from SDSS data and the L{\\'e}pine Shara Proper Motion (LSPM) catalog for additional common proper motion white dwarf-red subdwarf systems. Only seven new candidate systems are found, which indicates the rarity of these systems.

Hektor Monteiro; Wei-Chun Jao; Todd Henry; John Subasavage; Thom Beaulieu

2005-10-12T23:59:59.000Z

262

Contribution of White Dwarfs to Cluster Masses  

E-Print Network [OSTI]

I present a literature search through 31 July 1997 of white dwarfs (WDs) in open and globular clusters. There are 36 single WDs and 5 WDs in binaries known among 13 open clusters, and 340 single WDs and 11 WDs in binaries known among 11 globular clusters. From these data I have calculated WD mass fractions for four open clusters (the Pleiades, NGC 2168, NGC 3532, and the Hyades) and one globular cluster (NGC 6121). I develop a simple model of cluster evolution that incorporates stellar evolution but not dynamical evolution to interpret the WD mass fractions. I augment the results of my simple model with N-body simulations incorporating stellar evolution (Terlevich 1987; de la Feunte Marcos 1996; Vesperini & Heggie 1997). I find that even though these clusters undergo moderate to strong kinematical evolution the WD mass fraction is relatively insensitive to kinematical evolution. By comparing the cluster mass functions to that of the Galactic disk, and incorporating plausibility arguments for the mass function of the Galactic halo, I estimate the WD mass fraction in these two populations. I assume the Galactic disk is ~10 Gyrs old (Winget et al. 1987; Liebert, Dahn, & Monet 1988; Oswalt et al. 1996) and that the Galactic halo is ~12 Gyrs old (Reid 1997b; Gratton et al. 1997; Chaboyer et al. 1998), although the WD mass fraction is insensitive to age in this range. I find that the Galactic halo should contain 8 to 9% (alpha = -2.35) or perhaps as much as 15 to 17% (alpha = -2.0) of its stellar mass in the form of WDs. The Galactic disk WD mass fraction should be 6 to 7% (alpha = -2.35), consistent with the empirical estimates of 3 to 7% (Liebert, Dahn, & Monet 1988; Oswalt et al. 1996). (abridged)

Ted von Hippel

1998-02-14T23:59:59.000Z

263

BLACK-WHITE BENCHMARKS FOR ALLEGHENY COUNTY Ralph Bangs, Christine Anthou, Shannon Hughes, Chris Shorter  

E-Print Network [OSTI]

BLACK-WHITE BENCHMARKS FOR ALLEGHENY COUNTY Ralph Bangs, Christine Anthou, Shannon Hughes, Chris-Hispanic white (white alone) population was 1,074,037. The purpose of this report is to assess the socioeconomic status of blacks and whites in Allegheny County based on 2000 census data. Current conditions

Sibille, Etienne

264

White-light flares: A TRACE/RHESSI overview H. S. Hudson  

E-Print Network [OSTI]

White-light flares: A TRACE/RHESSI overview H. S. Hudson Space Sciences Laboratory, University includes a "white light" imaging capability with novel characteristics. Many flares with such white. The spectral response of the TRACE white-light passband extends into the UV, so these data capture

Hudson, Hugh

265

White(etching!matter!in!bearing!steel! Part1:!Controlled(cracking!of!52100!steel!  

E-Print Network [OSTI]

! 1! White(etching!matter!in!bearing!steel! Part1:!Controlled(cracking!of!52100!steel! ! W!phenomena!such!as!the!appearance!of!"white(etching!areas"!or!"white(etching! cracks",!crack!particular!kind!of!microstructural!damage!in!the!form!of!regions!of!the! structure,! which! appear! white! in

Cambridge, University of

266

White matter microstructure on diffusion tensor imaging is associated with conventional magnetic resonance imaging findings and  

E-Print Network [OSTI]

White matter microstructure on diffusion tensor imaging is associated with conventional magnetic to evaluate white matter architecture after preterm birth. The goals were (1) to compare white matter if sex, gestational age, birth- weight, white matter injury score from conventional magnetic resonance

Grill-Spector, Kalanit

267

BLACK-WHITE BENCHMARKS FOR THE PITTSBURGH MSA Ralph Bangs, Christine Anthou, Shannon Hughes, Chris Shorter  

E-Print Network [OSTI]

BLACK-WHITE BENCHMARKS FOR THE PITTSBURGH MSA Ralph Bangs, Christine Anthou, Shannon Hughes, Chris was 188,471, and the non-Hispanic white (white alone) population was 2,101,036. The Pittsburgh MSA of this report is to assess the socioeconomic status of blacks and whites in the Pittsburgh MSA based on 2000

Sibille, Etienne

268

1998 Pacific Northwest Loads and Resources Study: The White Book.  

SciTech Connect (OSTI)

The Pacific Northwest Loads and Resources Study (White Book) is published annually by BPA and establishes the planning basis for supplying electricity to customers. It serves a dual purpose. First, the White Book presents projections of regional and Federal system load and resource capabilities, along with relevant definitions and explanations. Second, the White Book serves as a benchmark for annual BPA determinations made pursuant to the 1981 regional power sales contracts. Specifically, BPA uses the information in the White Book for determining the notice required when customers request to increase or decrease the amount of power purchased from BPA. The White Book compiles information obtained from several formalized resource planning reports and data submittals, including those from the Northwest Power Planning Council (Council) and the Pacific Northwest Utilities Conference Committee (PNUCC). The White Book is not an operational planning guide, nor is it used for inventory planning to determine BPA revenues. Operation of the Federal Columbia River Power System (FCRPS) is based on a set of criteria different from that used for resource planning decisions. Operational planning is dependent upon real-time or near-term knowledge of system conditions, including expectations of river flows and runoff, market opportunities, availability of reservoir storage, energy exchanges, and other factors affecting the dynamics of operating a power system. The 1998 White Book is presented in two documents: (1) this summary of Federal system and Pacific Northwest region loads and resources; and (2) a technical appendix detailing the loads and resources for each major Pacific Northwest generating utility. This analysis updates the December 1997 Pacific Northwest Loads and Resources Study.

United States. Bonneville Power Administration.

1998-12-01T23:59:59.000Z

269

A COMPREHENSIVE SPECTROSCOPIC ANALYSIS OF DB WHITE DWARFS  

SciTech Connect (OSTI)

We present a detailed analysis of 108 helium-line (DB) white dwarfs based on model atmosphere fits to high signal-to-noise optical spectroscopy. We derive a mean mass of 0.67 M{sub sun} for our sample, with a dispersion of only 0.09 M{sub sun}. White dwarfs also showing hydrogen lines, the DBA stars, comprise 44% of our sample, and their mass distribution appears similar to that of DB stars. As in our previous investigation, we find no evidence for the existence of low-mass (M < 0.5 M{sub sun}) DB white dwarfs. We derive a luminosity function based on a subset of DB white dwarfs identified in the Palomar-Green Survey. We show that 20% of all white dwarfs in the temperature range of interest are DB stars, although the fraction drops to half this value above T{sub eff} {approx} 20,000 K. We also show that the persistence of DB stars with no hydrogen features at low temperatures is difficult to reconcile with a scenario involving accretion from the interstellar medium, often invoked to account for the observed hydrogen abundances in DBA stars. We present evidence for the existence of two different evolutionary channels that produce DB white dwarfs: the standard model where DA stars are transformed into DB stars through the convective dilution of a thin hydrogen layer and a second channel where DB stars retain a helium atmosphere throughout their evolution. We finally demonstrate that the instability strip of pulsating V777 Her white dwarfs contains no non-variables, if the hydrogen content of these stars is properly accounted for.

Bergeron, P.; Wesemael, F.; Dufour, Pierre; Beauchamp, A.; Hunter, C.; Gianninas, A.; Limoges, M.-M.; Dufour, Patrick; Fontaine, G. [Departement de Physique, Universite de Montreal, C.P. 6128, Succ. Centre-Ville, Montreal, QC H3C 3J7 (Canada); Saffer, Rex A. [Strayer University, 234 Mall Boulevard, Suite G-50, King of Prussia, PA 19406 (United States); Ruiz, M. T. [Departamento de Astronomia, Universidad de Chile, Casilla 36-D, Santiago (Chile); Liebert, James, E-mail: bergeron@astro.umontreal.ca, E-mail: wesemael@astro.umontreal.ca, E-mail: gianninas@astro.umontreal.ca, E-mail: limoges@astro.umontreal.ca, E-mail: dufourpa@astro.umontreal.ca, E-mail: fontaine@astro.umontreal.ca, E-mail: alain.beauchamp@fti-ibis.com, E-mail: chris.hunter@yale.edu, E-mail: rex.saffer@strayer.edu, E-mail: mtruiz@das.uchile.cl [Steward Observatory, University of Arizona, Tucson, AZ 85721 (United States)

2011-08-10T23:59:59.000Z

270

A Critical Examination of Halo White Dwarf Candidates  

E-Print Network [OSTI]

A detailed analysis of halo white dwarf candidates is presented, which is based on model atmosphere fits to observed energy distributions built from photoelectric or photographic magnitudes. Most of the candidates identified in reduced proper motion diagrams are shown to be too warm (Teff > 5000 K) and most likely too young to be members of the galactic halo, while the tangential velocities of the cooler and thus older white dwarfs are shown to be entirely consistent with the disk population. The results suggest that some white dwarf stars born in the young disk may have high velocities with respect to the local standard of rest. Such objects could represent the remnants of donor stars from close mass-transfer binaries that produced type Ia supernovae via the single degenerate channel, or other scenarios suggested in the literature. Ongoing surveys that rely solely on reduced proper motion diagrams are likely to identify more of these high velocity young degenerates, rather than to unveil the old white dwarf population of the galactic halo. The importance of infrared photometry for studying extremely cool white dwarfs is also emphasized.

P. Bergeron

2002-11-26T23:59:59.000Z

271

Signs of a faint disc population at polluted white dwarfs  

E-Print Network [OSTI]

Observations of atmospheric metals and dust discs around white dwarfs provide important clues to the fate of terrestrial planetary systems around intermediate mass stars. We present Spitzer IRAC observations of 15 metal polluted white dwarfs to investigate the occurrence and physical properties of circumstellar dust created by the disruption of planetary bodies. We find subtle infrared excess emission consistent with warm dust around KUV 15519+1730 and HS 2132+0941, and weaker excess around the DZ white dwarf G245-58, which, if real, makes it the coolest white dwarf known to exhibit a 3.6 micron excess and the first DZ star with a bright disc. All together our data corroborate a picture where 1) discs at metal-enriched white dwarfs are commonplace and most escape detection in the infrared (possibly as narrow rings), 2) the discs are long lived, having lifetimes on the order of 10^6 yr or longer, and 3) the frequency of bright, infrared detectable discs decreases with age, on a timescale of roughly 500 Myr, su...

Bergfors, Carolina; Dufour, Patrick; Rocchetto, Marco

2014-01-01T23:59:59.000Z

272

The First Mid-Infrared Spectra of Cool White Dwarfs  

E-Print Network [OSTI]

We present the first mid-infrared spectra of two cool white dwarfs obtained with the Spitzer Space Telescope. We also present 3.5-8 micron photometry for 19 cool white dwarfs with 5000K < Teff < 9000K. We perform a detailed model atmosphere analysis of these white dwarfs by fitting their UBVRIJHK and Spitzer photometry with state-of-the-art model atmospheres, and demonstrate that the optical and infrared spectral energy distributions of cool white dwarfs are well reproduced by our grid of models. Our mid-IR photometry and 7.5-14.5 micron spectrum of WD0018-267 are consistent with a Teff = 5720K, pure hydrogen white dwarf model atmosphere. On the other hand, LHS 1126 remains peculiar with significant mid-IR flux deficits in all IRAC bands and a featureless spectrum in the 5.2-7.5 micron range. Even though this deficit is attributed to collision induced absorption (CIA) due to molecular hydrogen, the shape of the deficit cannot be explained with current CIA opacity calculations. The infrared portion of the LHS 1126 spectral energy distribution is best-fit with a power law index of -1.99; identical to a Rayleigh-Jeans spectrum. This argues that the deficit may be due to an unrecognized grey-like opacity source in the infrared.

Mukremin Kilic; Piotr M. Kowalski; Fergal Mullally; William T. Reach; Ted von Hippel

2007-12-14T23:59:59.000Z

273

Biomagnification of organochlorines in Lake Erie white bass  

SciTech Connect (OSTI)

Biomagnification of HCB and PCBs was measured in a natural fish population of white bass (Morone chrysops) and their prey, emerald shiner (Notropis atherinoides). It was observed that biomagnification occurred only for chemicals with an octanol/water partition coefficient (log K{sub ow}) greater than 6.1. Hexachlorobenzene and PCB 52 did not biomagnify while PCBs 87, 138, and 180 showed significant biomagnification in Lake Erie white bass. Biomagnification factors increased proportionately with K{sub ow}, and it was concluded that high K{sub ow} chemicals were more important in the biomagnification process. Lipid proportions and chemical concentrations in prey fish (emerald shiner) and white bass intestinal contents were consistent with a fugacity model of chemical assimilation from food.

Russell, R.W.; Lazar, R.; Haffner, G.D. [Univ. of Windsor, Ontario (Canada)

1995-04-01T23:59:59.000Z

274

White paper updating conclusions of 1998 ILAW performance assessment  

SciTech Connect (OSTI)

The purpose of this document is to provide a comparison of the estimated immobilized low-activity waste (LAW) disposal system performance against established performance objectives using the beat estimates for parameters and models to describe the system. The principal advances in knowledge since the last performance assessment (known as the 1998 ILAW PA [Mann 1998a]) have been in site specific information and data on the waste form performance for BNFL, Inc. relevant glass formulations. The white paper also estimates the maximum release rates for technetium and other key radionuclides and chemicals from the waste form. Finally, this white paper provides limited information on the impact of changes in waste form loading.

MANN, F.M.

2000-05-11T23:59:59.000Z

275

White House honors Los Alamos physicist's early career work  

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 PrintableBlenderWhat MakesEnergy White HouseWhite

276

MARKETS FOR REACTIVE POWER AND RELIABILITY: A WHITE PAPER  

E-Print Network [OSTI]

1 MARKETS FOR REACTIVE POWER AND RELIABILITY: A WHITE PAPER Engineering and Economics of Electricity Research Group (E3 RG) CORNELL UNIVERSITY E3 RG contributing authors: Robert Thomas, Director the Consortium for Electric Reliability Technology Solutions (CERTS) and in part by the National Science

277

White Paper Series Using Health Impact Assessments to  

E-Print Network [OSTI]

professionals, decision makers, and communities § Saves health care dollars by considering short and longWhite Paper Series Using Health Impact Assessments to Evaluate Bicycle and Pedestrian Plans January of the Federal Highway Administration. Introduction Where we live, work, and play influences health, as well

North Carolina at Chapel Hill, University of

278

Public Interest Energy Research (PIER) Program White Paper  

E-Print Network [OSTI]

efforts are focused on the following RD&D program areas: · Buildings EndUse Energy Efficiency · Energy · Renewable Energy Technologies · Transportation In 2003, the California Energy Commission's PIER ProgramPublic Interest Energy Research (PIER) Program White Paper COASTAL FLOODINGPOTENTIAL

Bromirski, Peter D.

279

Public Interest Energy Research (PIER) Program White Paper  

E-Print Network [OSTI]

&D program areas: · Buildings End-Use Energy Efficiency · Energy Innovations Small Grants · Energy/Agricultural/Water End-Use Energy Efficiency · Renewable Energy Technologies · Transportation In 2003, the CaliforniaPublic Interest Energy Research (PIER) Program White Paper CLIMATE VULNERABILITY AND ADAPTATION

Kammen, Daniel M.

280

The White House Office of the Press Secretary  

E-Print Network [OSTI]

The White House Office of the Press Secretary For Immediate Release April 15, 2010 Remarks's in the house. (Applause.) Four decades ago, Buzz became a legend. But in the four decades since he's also been with a transmitter and a battery strapped to the top of a missile. But the world was stunned. Americans were

Rathbun, Julie A.

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281

STUDY PROTOCOL Open Access Multimodal neuroimaging of frontal white matter  

E-Print Network [OSTI]

maintenance and repair in regions of deep white matter. The aim of this in vivo neuroimaging project of the illness (less than 5 years since diagnosis) will be the focus of this project. Four magnetic resonance-acetylaspartate, c) the transverse relaxation time constants of regional tissue water, d) and of N

282

Price and Inventory Competition in Oligopoly TV White Space Markets  

E-Print Network [OSTI]

's wholesale pricing strategy on the market equilibrium. Specifically, we analytically show how the wholesale further propose two different spectrum wholesale pricing strategies that maximize the database manager between these two wholesale pricing strategies. Index Terms--TV White Space, Price and Inventory

Huang, Jianwei

283

ROTATION OF WHITE LIGHT CME STRUCTURES AS INFERRED FROM  

E-Print Network [OSTI]

field, and it could shed light on the problems related to connecting solar surface phenomenaROTATION OF WHITE LIGHT CME STRUCTURES AS INFERRED FROM LASCO CORONAGRAPH Vasyl Yurchyshyn Big Bear Solar Observatory 40386 North Shore Lane, Big Bear City, CA 92314 Valentyna Abramenko Big Bear Solar

284

Organic Electronics and Photovoltaics CopyrightDaveWhite2008  

E-Print Network [OSTI]

ENERGY Organic Electronics and Photovoltaics Objective CopyrightDaveWhite2008 Organic electronics and photovoltaic technology are reaching critical mass with the establishment of a U.S. consortium and the recent an inte- grated suite of measurement methods to tie the electrical and photovoltaic performance of organic

285

The frequency of planetary debris around young white dwarfs  

E-Print Network [OSTI]

(Abridged) We present the results of the first unbiased survey for metal pollution among H-atmosphere (DA) white dwarfs with cooling ages of 20-200 Myr and 17000K 0.8 Msun is found to be currently accreting, which suggests a large fraction are double-degenerate mergers, and the merger discs do not commonly reform large planetesimals or otherwise pollute the remnant. We reconfirm our previous finding that two white dwarf Hyads are currently accreting rocky debris. At least 27%, and possibly up to ~50%, of all white dwarfs with cooling ages 20-200 Myr are accreting planetary debris. At Teff > 23000K, the luminosity of white dwarfs is likely sufficient to vaporize circumstellar dust, and hence no stars with strong metal-pollution are found. However, planetesimal disruption events should occur in this cooling age and Teff range as well, and likely result in short phases of high mass transfer rates. It appears that the formation of rocky planetary material is common around 2-3 Msun late B- and A-type stars.

Koester, Detlev; Farihi, Jay

2014-01-01T23:59:59.000Z

286

Future Grid: The Environment Future Grid Initiative White Paper  

E-Print Network [OSTI]

Future Grid: The Environment Future Grid Initiative White Paper Power Systems Engineering Research Center Empowering Minds to Engineer the Future Electric Energy System #12;Future Grid: The Environment Prepared for the Project "The Future Grid to Enable Sustainable Energy Systems" Funded by the U

287

Performance and Interoperability in Solar A. Abram White  

E-Print Network [OSTI]

1 Performance and Interoperability in Solar A. Abram White abewhite@mac.com Senior Honors Thesis with applications that are able to adapt to our dynamics. Solar is a software infrastructure designed to deliver-aware devices envisioned by ubiquitous computing, Solar must exhibit both high performance and the ability

288

4-Poster Tick Management and White-tailed Deer Management  

E-Print Network [OSTI]

the methodologies for Integrated Wildlife Damage Management approach #12;Environmental Assessment Purpose and NeedUpdate on: 4-Poster Tick Management and White-tailed Deer Management Tim Green Environmental been on hold until present #12;Environmental Assessment Current Status: · Adopting two existing EAs - U

Homes, Christopher C.

289

Polacos, White Slaves, and Stille Chuppahs: Organized Prostitution and the Jews of Buenos Aires, 1890-1939  

E-Print Network [OSTI]

Culture-Crossing, and White Womanhood from Mary RowlandsonC. “Sex and the City: The White Slavery Scare and SocialH. W. Lytle. From Dance Hall to White Slavery: The World’s

Yarfitz, Mir

2012-01-01T23:59:59.000Z

290

SciTech Connect: White and Monochromatic X-ray Microbeam Investigation...  

Office of Scientific and Technical Information (OSTI)

White and Monochromatic X-ray Microbeam Investigations of Materials Microstructure and Tri-Axial Stress Citation Details In-Document Search Title: White and Monochromatic X-ray...

291

E-Print Network 3.0 - accelerated cerebral white Sample Search...  

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

cerebral white Search Powered by Explorit Topic List Advanced Search Sample search results for: accelerated cerebral white Page: << < 1 2 3 4 5 > >> 1 TheThe NeuroFMANeuroFMA...

292

Microsoft Word - GRS Review_OMB White Paper - Real Property Right...  

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

GRS ReviewOMB White Paper - Real Property Right-sizing and Carbon Reduction August 7 2009 2.docx Microsoft Word - GRS ReviewOMB White Paper - Real Property Right-sizing and...

293

Roadmap and Technical White Papers for 21st Century Truck Partnership...  

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

Roadmap and Technical White Papers for 21st Century Truck Partnership Roadmap and Technical White Papers for 21st Century Truck Partnership Roadmap document for 21st Century Truck...

294

EIS-0443: Southwest Intertie Project-South (SWIP-S), White Pine...  

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

3: Southwest Intertie Project-South (SWIP-S), White Pine, Nye, Lincoln, and Clark counties, NV EIS-0443: Southwest Intertie Project-South (SWIP-S), White Pine, Nye, Lincoln, and...

295

Students Lead the Way at the White House Science Fair | Department...  

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

Students Lead the Way at the White House Science Fair Students Lead the Way at the White House Science Fair October 18, 2010 - 6:55pm Addthis The President looks at a model solar...

296

E-Print Network 3.0 - asymptomatic wolff-parkinson-white syndrome...  

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

wolff-parkinson-white syndrome Search Powered by Explorit Topic List Advanced Search Sample search results for: asymptomatic wolff-parkinson-white syndrome Page: << < 1 2 3 4 5 >...

297

E-Print Network 3.0 - altered white matter Sample Search Results  

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

white matter Search Powered by Explorit Topic List Advanced Search Sample search results for: altered white matter Page: << < 1 2 3 4 5 > >> 1 Prefrontal Fronto-Temporal Occipital...

298

E-Print Network 3.0 - activated white cell Sample Search Results  

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

white cell Search Powered by Explorit Topic List Advanced Search Sample search results for: activated white cell Page: << < 1 2 3 4 5 > >> 1 Bistable expression of WOR1, a master...

299

E-Print Network 3.0 - anti-white spot syndrome Sample Search...  

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

white spot syndrome Search Powered by Explorit Topic List Advanced Search Sample search results for: anti-white spot syndrome Page: << < 1 2 3 4 5 > >> 1 JOURNAL OF VIROLOGY, June...

300

E-Print Network 3.0 - ancli white papers Sample Search Results  

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

ancli white papers Search Powered by Explorit Topic List Advanced Search Sample search results for: ancli white papers Page: << < 1 2 3 4 5 > >> 1 An epistatic ratchet constrains...

Note: This page contains sample records for the topic "white pelican pelecanus" from the National Library of EnergyBeta (NLEBeta).
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We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

E-Print Network 3.0 - astro2010 science white Sample Search Results  

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

astro2010 science white Search Powered by Explorit Topic List Advanced Search Sample search results for: astro2010 science white Page: << < 1 2 3 4 5 > >> 1 Division on Engineering...

302

Photo of the Week: White House Leadership Summit on Women, Climate...  

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

White House Leadership Summit on Women, Climate and Energy Photo of the Week: White House Leadership Summit on Women, Climate and Energy May 23, 2013 - 5:17pm Addthis Today, newly...

303

E-Print Network 3.0 - appearing white matter Sample Search Results  

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

white matter Search Powered by Explorit Topic List Advanced Search Sample search results for: appearing white matter Page: << < 1 2 3 4 5 > >> 1 IEEE Trans. Medical Imaging, to...

304

E-Print Network 3.0 - avian egg white Sample Search Results  

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

egg white Search Powered by Explorit Topic List Advanced Search Sample search results for: avian egg white Page: << < 1 2 3 4 5 > >> 1 Department of Animal Sciences Purdue...

305

E-Print Network 3.0 - alba white oak Sample Search Results  

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

white oak Search Powered by Explorit Topic List Advanced Search Sample search results for: alba white oak Page: << < 1 2 3 4 5 > >> 1 October 2003 Vol. 53 No. 10 BioScience 927...

306

E-Print Network 3.0 - age related white Sample Search Results  

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

white Search Powered by Explorit Topic List Advanced Search Sample search results for: age related white Page: << < 1 2 3 4 5 > >> 1 The effects of healthcare provisions on the 4X...

307

E-Print Network 3.0 - amine oxime-labelled white-blood-cell Sample...  

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

oxime-labelled white-blood-cell Search Powered by Explorit Topic List Advanced Search Sample search results for: amine oxime-labelled white-blood-cell Page: << < 1 2 3 4 5 > >> 1...

308

High-Efficiency and Stable White Organic Light-Emitting Diode...  

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

Efficiency and Stable White Organic Light-Emitting Diode Using a Single Emitter High-Efficiency and Stable White Organic Light-Emitting Diode Using a Single Emitter Presenter: Jian...

309

E-Print Network 3.0 - automated white-matter tractography Sample...  

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

white-matter tractography Search Powered by Explorit Topic List Advanced Search Sample search results for: automated white-matter tractography Page: << < 1 2 3 4 5 > >> 1 An...

310

E-Print Network 3.0 - affinis white oak Sample Search Results  

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

affinis white oak Search Powered by Explorit Topic List Advanced Search Sample search results for: affinis white oak Page: << < 1 2 3 4 5 > >> 1 aks afford a unique insight into...

311

E-Print Network 3.0 - accreting magnetic white Sample Search...  

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

magnetic white Search Powered by Explorit Topic List Advanced Search Sample search results for: accreting magnetic white Page: << < 1 2 3 4 5 > >> 1 Mon. Not. R. Astron. Soc. 000,...

312

E-Print Network 3.0 - age-related white matter Sample Search...  

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

white matter Search Powered by Explorit Topic List Advanced Search Sample search results for: age-related white matter Page: << < 1 2 3 4 5 > >> 1 Assessing Early Brain Development...

313

E-Print Network 3.0 - additive space-time white Sample Search...  

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

space-time white Search Powered by Explorit Topic List Advanced Search Sample search results for: additive space-time white Page: << < 1 2 3 4 5 > >> 1 Click to Submit...

314

ScienceEducation.gov Featured on the new White House Innovation...  

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

ScienceEducation.gov Featured on the new White House Innovation Gallery ScienceEducation.gov Featured on the new White House Innovation Gallery December 10, 2010 - 10:27am Addthis...

315

E-Print Network 3.0 - adipose white tissue Sample Search Results  

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

white tissue Search Powered by Explorit Topic List Advanced Search Sample search results for: adipose white tissue Page: << < 1 2 3 4 5 > >> 1 original article The new engl and...

316

Patterns of Identification: The Children of Latino/Non-Latino White Families  

E-Print Network [OSTI]

and ethnically identify their children. Specifically, I use both multinomial logistic regression and multilevel binomial logistic regression to predict the outcome of the child either being identified as Latino (white or other) or non-Latino (white or other...

Fox, Amber

2012-02-14T23:59:59.000Z

317

2 Executive Summary Figure 1 Location of White Salmon subbasin, topography, vegetation, demographics, and hydrology  

E-Print Network [OSTI]

, demographics, and hydrology #12;xii 2.1 Purpose and Scope The White Salmon subbasin management plan

318

ESPC Success Story- Food and Drug Administration (FDA) White Oak Campus  

Broader source: Energy.gov [DOE]

FEMP ESPC Success Story on water conservation and green energy at the Food and Drug Administration (FDA) White Oak Campus.

319

Consequence of total lepton number violation in strongly magnetized iron white dwarfs  

SciTech Connect (OSTI)

The influence of a neutrinoless electron to positron conversion on a cooling of strongly magnetized iron white dwarfs is studied.

Belyaev, V. B. [Bogolyubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna 141980 (Russian Federation); Ricci, P. [Istituto Nazionale di Fisica Nucleare, Sezione di Firenze, I-50019 Sesto Fiorentino (Firenze) (Italy); Šimkovic, F. [Department of Nuclear Physics and Biophysics, Comenius University, Mlynská dolina F1, SK-842 15, Bratislava, Slovakia and Bogolyubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna 141980 (Russian Federation); Adam, J. Jr.; Tater, M.; Truhlík, E. [Institute of Nuclear Physics ASCR, CZ-250 68 ?ež (Czech Republic)

2013-12-30T23:59:59.000Z

320

The Pursuit of Whiteness: Property, Terror and Expansion, 1790-1860.  

E-Print Network [OSTI]

Assmg and Frederick Douglass (New York, 1999); Matthew Jacobton. Whiteness of a Different Color (Cambridge. MA. 1998). 46-48 71 Richard Dyer's important overarching discussion of whiteness and Chnsuanity in White (London. UK. 1997). csp 14-18. makes...'s impressive new Playing Indian. for example, uses the history of Indian impersonation to enter broad questions of race and nation. Deloria writes, "Blackness, in a range of cultural guises, has been an essential precondition for American whiteness .the...

Roediger, David

1999-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "white pelican pelecanus" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
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321

Four African American Undergraduate Students And Two White Professors: Reflections of a Difficult Dialogue Program at a Predominantly White University  

E-Print Network [OSTI]

Black Colleges and Universities to Predominantly White Institutions..?????.??????????????.. 27 The Eugenics Movement?????????????????.. 34 Current Issues of the Retention of African Americans Students........... 45 Discussion of the Literature..., 1973), student faculty interactions (Endo and Harpel, 1982), support for African American students (Allen et al, 1991), and the overwhelming topic of the retention of African American students attending predominantly universities. Background...

Green, Monica Roshaw

2013-05-09T23:59:59.000Z

322

White pine (Pinus strobus L.) regeneration dynamics at the species' northern limit of continuous distribution  

E-Print Network [OSTI]

White pine (Pinus strobus L.) regeneration dynamics at the species' northern limit of continuous white pine (Pinus strobus L.) has been significantly reduced across its distribution range over the past quantified natural white pine regeneration in unmanaged mature stands, identified the most important

Asselin, Hugo

323

White Sharks (Carcharodon carcharias) Scavenging on Whales and Its Potential Role in Further Shaping the  

E-Print Network [OSTI]

White Sharks (Carcharodon carcharias) Scavenging on Whales and Its Potential Role in Further predators. Here we present findings from multiple opportunistic observations of white sharks scavenging on whale carcasses in False Bay, South Africa. Observations of white sharks scavenging over successive days

Miami, University of

324

White Pine Emission Trends of Monoterpenes and Sesquiterpenes After Acute Ozone Exposure  

E-Print Network [OSTI]

White Pine Emission Trends of Monoterpenes and Sesquiterpenes After Acute Ozone Exposure Daniel M of White Pine (Pinus strobus) specimens located at the University of Michigan Biological Station (UMBS). To measure terpene production, dynamic branch enclosures were simultaneously positioned on White Pine

Collins, Gary S.

325

Black and White Commuting Behavior in a Large Southern City: Evidence from Atlanta  

E-Print Network [OSTI]

Black and White Commuting Behavior in a Large Southern City: Evidence from Atlanta Clark, W. A. VV430X. William A. V. Clark Youqin Huang Black and White Commuting Behavior in a Large Southern City and white households are consistent with the overall hypothesis that households min- imize their commuting

Huang, Youqin

326

White emitting polyfluorene functionalized with azide hybridized on near-UV light emitting diode  

E-Print Network [OSTI]

White emitting polyfluorene functionalized with azide hybridized on near-UV light emitting diode@fen.bilkent.edu.tr Abstract: We develop and demonstrate high-quality white light generation that relies on the use of a single-UV LED platform. The high-quality white emission from the polyfluorene is achieved by using the azide

Demir, Hilmi Volkan

327

Multiple Measures of Alyawarra Kinship Woodrow W. Denham and Douglas R. White  

E-Print Network [OSTI]

Multiple Measures of Alyawarra Kinship Woodrow W. Denham and Douglas R. White 3 March 2003 since homesteading there in 1923 and served as a buffer against the encroaching White world, but also received rations of flour, sugar, tea, bread and fruit. Under conditions of semi- Denham / White 1

White, Douglas R.

328

Intensely white bark on a dull winter's day AndreaKiewitt  

E-Print Network [OSTI]

- Intensely white bark on a dull winter's day ©AndreaKiewitt No. 45 January 2009 Eco birch (Betula utilis var. jacquemontii). On the grey winter day, its intensely white bark stood out revealing the strikingly white inner layers. The bark is strewn with creamy grey lenticels in the shape

329

HOT WHITE DWARFS IN DETACHED BINARIES FROM THE ROSAT WFC ALL SKY SURVEY  

E-Print Network [OSTI]

HOT WHITE DWARFS IN DETACHED BINARIES FROM THE ROSAT WFC ALL SKY SURVEY Thesis submitted 1997 #12; HOT WHITE DWARFS IN DETACHED BINARIES FROM THE ROSAT WFC ALL SKY SURVEY Matthew R. Burleigh ABSTRACT White dwarfs in unresolved pairs with normal stars (spectral type K or earlier) are invisible

Burleigh, Matt

330

White matter pathways in reading Michal Ben-Shachar, Robert F Dougherty and Brian A Wandell  

E-Print Network [OSTI]

White matter pathways in reading Michal Ben-Shachar, Robert F Dougherty and Brian A Wandell Skilled tensor imaging has been used to identify correlations between white matter properties and reading skills in adults and children. White matter differences have been found in left temporo-parietal areas

Wandell, Brian A.

331

White Organic Light-Emitting Diodes with fine chromaticity tuning via ultrathin layer position shifting  

E-Print Network [OSTI]

White Organic Light-Emitting Diodes with fine chromaticity tuning via ultrathin layer position : Non-doped white organic light-emitting diodes using an ultrathin yellow-emitting layer of rubrene (5 via a bright white (WOLED) with CIE coordinates (x= 0.33, y= 0.32), a ext of 1.9%, and a color

Paris-Sud XI, Université de

332

White Paper for the Development of Code and Standards for Fusion  

E-Print Network [OSTI]

White Paper for the Development of Code and Standards for Fusion Construction Activities Prepared;2 White Paper for the Development of Code and Standards for Fusion Construction Activities ABSTRACT Engineering-2011 #12;3 White Paper for the Development of Code and Standards for Fusion Construction

333

Multiple Measures of Alyawarra Kinship Woodrow W. Denham and Douglas R. White  

E-Print Network [OSTI]

Multiple Measures of Alyawarra Kinship Woodrow W. Denham and Douglas R. White 15 February 2004 the encroaching White world. The Alyawarra lived in four semi-permanent camps spread over a distance of 54 road conditions of semi- Denham / White 1 8/2/2004 #12;provisioning, they maintained much of their traditional

White, Douglas R.

334

Tunable White-Light-Emitting Mn-Doped ZnSe Nanocrystals Vijay Kumar Sharma,  

E-Print Network [OSTI]

Tunable White-Light-Emitting Mn-Doped ZnSe Nanocrystals Vijay Kumar Sharma, Burak Guzelturk, Talha report white-light-emitting Mn-doped ZnSe nanocrystals (NCs) that are synthesized using modified orange emission (580 nm), allowed us to achieve excitation wavelength tailorable white-light generation

Demir, Hilmi Volkan

335

White House Fellows 25 July 2007ESSLESSL // Climate Change Research at NCAR  

E-Print Network [OSTI]

White House Fellows 25 July 2007ESSLESSL // Climate Change Research at NCAR J. J. HackJ. J. Hack USABoulder, Colorado USA #12;White House Fellows 25 July 2007ESSLESSL // Climate and Global Dynamics Division a basis for prediction of weather and climate #12;White House Fellows 25 July 2007ESSLESSL // Themes

336

HANDLING WHITE-MATTER ANISOTROPY IN BEM FOR THE EEG FORWARD PROBLEM  

E-Print Network [OSTI]

HANDLING WHITE-MATTER ANISOTROPY IN BEM FOR THE EEG FORWARD PROBLEM Emmanuel Olivi Th and EEG for- ward fields. Those tissues include white matter, whose con- ductivity is anisotropic because of its fiber structure. While white matter anisotropy can be measured thanks to Diffusion- Weighted MRI

Paris-Sud XI, Université de

337

White-nose Syndrome Communications Outreach Campaign Principal Investigator: Rebecca A. Christoffel  

E-Print Network [OSTI]

White-nose Syndrome Communications Outreach Campaign Principal Investigator: Rebecca A. Christoffel target audiences of white-nose syndrome (WNS) in bats and its rapid spread toward Iowa, and to gain one cave or bat population to another, with an ultimate goal of keeping white-nose syndrome from

Koford, Rolf R.

338

White Space Networking with Wi-Fi like Connectivity Paramvir Bahl  

E-Print Network [OSTI]

White Space Networking with Wi-Fi like Connectivity Paramvir Bahl , Ranveer Chandra , Thomas {bahl, ranveer, moscitho}@microsoft.com {rohan, mdw}@eecs.harvard.edu ABSTRACT Networking over UHF white for implementing a wireless network in this band. We present the design and imple- mentation of WhiteFi, the first

Badrinath, B. R.

339

White-etching matter in bearing steel Part 2: Distinguishing cause and eect in bearing steel  

E-Print Network [OSTI]

White-etching matter in bearing steel Part 2: Distinguishing cause and eect in bearing steel through a mechanism called "white-structure flaking", has triggered many studies of microstructural damage associated with "white-etching ar- eas" created during rolling contact fatigue, although whether

Cambridge, University of

340

White pines, Ribes, and blister rust: integration and action By R. S. Hunt1  

E-Print Network [OSTI]

REVIEW White pines, Ribes, and blister rust: integration and action By R. S. Hunt1 , B. W. Geils2 in this series review the history, biology and management of white pine blister rust in North America, Europe for understanding and managing epidemics of Cronartium ribicola in the white pines (five-needle pines in subgenus

Note: This page contains sample records for the topic "white pelican pelecanus" 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.


341

Cerebral White Matter Integrity Mediates Adult Age Differences in Cognitive Performance  

E-Print Network [OSTI]

Cerebral White Matter Integrity Mediates Adult Age Differences in Cognitive Performance David J. Madden1 , Julia Spaniol1 , Matthew C. Costello1 , Barbara Bucur1 , Leonard E. White1 , Roberto Cabeza2 research has established that age-related decline oc- curs in measures of cerebral white matter integrity

Dennis, Nancy

342

Exploration of the Brain's White Matter Pathways with Dynamic Queries David Akers Anthony Sherbondy Rachel Mackenzie  

E-Print Network [OSTI]

Exploration of the Brain's White Matter Pathways with Dynamic Queries David Akers Anthony Sherbondy information about the structure of white matter within the human brain. Combining DTI data bundles (white matter pathways) that course through the human brain. Neurosci- entists have used

Wandell, Brian A.

343

Multiple phase estimation for arbitrary pure states under white noise  

E-Print Network [OSTI]

In any realistic quantum metrology scenarios, the ultimate precision in the estimation of parameters is limited not only by the so-called Heisenberg scaling, but also the environmental noise encountered by the underlying system. In the context of quantum estimation theory, it is of great significance to carefully evaluate the impact of a specific type of noise on the corresponding quantum Fisher information (QFI) or quantum Fisher information matrix (QFIM). Here we investigate the multiple phase estimation problem for a natural parametrization of arbitrary pure states under white noise. We obtain the explicit expression of the symmetric logarithmic derivative (SLD) and hence the analytical formula of QFIM. Moreover, the attainability of the quantum Cram\\'{e}r-Rao bound (QCRB) is confirmed by the commutability of SLDs and the optimal estimators are elucidated for the experimental purpose. These findings generalize previously known partial results and highlight the role of white noise in quantum metrology.

Yao Yao; Li Ge; Xing Xiao; Xiaoguang Wang; C. P. Sun

2014-09-08T23:59:59.000Z

344

Semiconductor Nanocrystals-Based White Light Emitting Diodes  

SciTech Connect (OSTI)

In response to the demands for energy and the concerns of global warming and climate change, energy efficient and environmentally friendly solid state lighting, such as white light emitting diodes (WLEDs), is considered to be the most promising and suitable light source. Because of their small size, high efficiency, and long lifetime, WLEDs based on colloidal semiconductor nanocrystals (or quantum dots) are emerging as a completely new technology platform for the development of flat-panel displays and solid state lighting, exhibiting the potential to replace the conventionally used incandescent and fluorescent lamps. This replacement could cut the ever-increasing energy consumption, solve the problem of rapidly depleting fossil fuel reserves, and improve the quality of the global environment. In this review, we highlight the recent progress in semiconductor nanocrystals-based WLEDs, compare different approaches for generating white light, and discuss the benefits and challenges of the solid state lighting technology.

Dai, Quanqin [ORNL; Hu, Michael Z. [ORNL; Duty, Chad E [ORNL

2010-01-01T23:59:59.000Z

345

Semiconductor-Nanocrystals-Based White Light-Emitting Diodes  

SciTech Connect (OSTI)

In response to the demands for energy and the concerns of global warming and climate change, energy efficient and environmentally friendly solid-state lighting, such as white lightemitting diodes (WLEDs), is considered to be the most promising and suitable light source. Because of their small size, high efficiency, and long lifetime, WLEDs based on colloidal semiconductor nanocrystals (or quantum dots) are emerging as a completely new technology platform for the development of flat-panel displays and solid-state lighting, exhibiting the potential to replace the conventionally used incandescent and fluorescent lamps. This replacement can cut the ever-increasing level of energy consumption, solve the problem of rapidly depleting fossil fuel reserves, and improve the quality of the global environment. In this review, the recent progress in semiconductor-nanocrystals-based WLEDs is highlighted, the different approaches for generating white light are compared, and the benefits and challenges of the solid-state lighting technology are discussed.

Dai, Quanqin [ORNL; Duty, Chad E [ORNL; Hu, Michael Z. [ORNL

2010-01-01T23:59:59.000Z

346

Spectral modeling of gaseous metal disks around DAZ white dwarfs  

E-Print Network [OSTI]

We report on our attempt for the first non-LTE modeling of gaseous metal disks around single DAZ white dwarfs recently discovered by Gaensicke et al. and thought to originate from a disrupted asteroid. We assume a Keplerian rotating viscous disk ring composed of calcium and hydrogen and compute the detailed vertical structure and emergent spectrum. We find that the observed infrared CaII emission triplet can be modeled with a hydrogen-deficient gas ring located at R=1.2 R_sun, inside of the tidal disruption radius, with Teff about 6000 K and a low surface mass density of about 0.3 g/cm**2. A disk having this density and reaching from the central white dwarf out to R=1.2 R_sun would have a total mass of 7 10**21 g, corresponding to an asteroid with about 160 km diameter.

K. Werner; T. Nagel; T. Rauch

2008-09-30T23:59:59.000Z

347

Evidence for helium in the magnetic white dwarf GD229  

E-Print Network [OSTI]

The nature of the strong absorption features in the white dwarf GD229 has been a real mystery ever since it was found to be magnetic in 1974. All attempts to explain the spectrum by line components of hydrogen failed. With the first sets of newly calculated line data for HeI in a strong magnetic field we could identify most of the absorption structures in the spectrum with stationary line components in a range of magnetic fields between 300 and 700 MG. This is much lower than previously speculated and is comparable to the highest fields found in hydrogen rich magnetic white dwarfs. The reason for the large number of spectral features in GD229 is the extreme accumulation of stationary components of transitions in He I in a narrow interval of field strengths.

S. Jordan; P. Schmelcher; W. Becken; W. Schweizer

1998-06-25T23:59:59.000Z

348

The White Dwarf Luminosity Function from SDSS Imaging Data  

E-Print Network [OSTI]

A sample of white dwarfs is selected from SDSS DR3 imaging data using their reduced proper motions, based on improved proper motions from SDSS plus USNO-B combined data. Numerous SDSS and followup spectra (Kilic et al. 2005) are used to quantify completeness and contamination of the sample; kinematic models are used to understand and correct for velocity-dependent selection biases. A luminosity function is constructed covering the range 7 < M_bol < 16, and its sensitivity to various assumptions and selection limits is discussed. The white dwarf luminosity function based on 6000 stars is remarkably smooth, and rises nearly monotonically to M_bol = 15.3. It then drops abruptly, although the small number of low-luminosity stars in the sample and their unknown atmospheric composition prevent quantitative conclusions about this decline. Stars are identified that may have high tangential velocities, and a preliminary luminosity function is constructed for them.

Hugh C. Harris; Jeffrey A. Munn; Mukremin Kilic; James Liebert; Kurtis A. Williams; Ted von Hippel; Stephen E. Levine; David G. Monet; Daniel J. Eisenstein; S. J. Kleinman; T. S. Metcalfe; Atsuko Nitta; D. E. Winget; J. Brinkmann; Masataka Fukugita; G. R. Knapp; Robert H. Lupton; J. Allyn Smith; Donald P. Schneider

2005-10-29T23:59:59.000Z

349

Texas white-tailed deer Internet harvest model  

E-Print Network [OSTI]

in Texas?????????????????????... 4 2 Counties within the Edwards Plateau Ecological Region of Texas, Armstrong and Young 2000??????????????????? 9 3 Conceptual diagram of the general structure of the Texas Deer Manager (TDM), 2006...-tailed deer (Odocoileus virginianus) is one of the most recognizable and sought after wildlife game species in North America (Xie et al. 1999). In Texas, there are an estimated 4 million white-tailed deer (WTD) (Armstrong and Young 2000), which provides...

Garrett, Jennifer Nicole

2009-05-15T23:59:59.000Z

350

Detailed Spectroscopic and Photometric Analysis of DQ White Dwarfs  

E-Print Network [OSTI]

We present an analysis of spectroscopic and photometric data for cool DQ white dwarfs based on improved model atmosphere calculations. In particular, we revise the atmospheric parameters of the trigonometric parallax sample of Bergeron et al.(2001), and discuss the astrophysical implications on the temperature scale and mean mass, as well as the chemical evolution of these stars. We also analyze 40 new DQ stars discovered in the first data release of the Sloan Digital Sky Survey.

P. Dufour; P. Bergeron; G. Fontaine

2005-03-04T23:59:59.000Z

351

White LED Benchmark of 65 Lumens Per Watt Achieved  

Broader source: Energy.gov [DOE]

Novel chip design and the balance of multiple interrelated design parameters have enabled Cree, Inc.'s Santa Barbara Technology Center to demonstrate white LEDs with efficacies greater than 65 lumens per watt at 350 mA. The results are particularly significant because they were achieved with a pre-production prototype chip using the same package used in Cree's commercially available XLamp® 7090 high power LED, rather than a laboratory device.

352

Efficacy of 45 lm/W Achieved in White OLED  

Broader source: Energy.gov [DOE]

Universal Display Corporation (UDC) successfully demonstrated an all phosphorescent white organic light emitting diode (WOLED™) with a power efficacy of 45 lm/W at 1,000 cd/m2. This high-efficacy device was enabled by lowering the device operating voltage, increasing the outcoupling efficiency to ~40% from ~20%, and by incorporating highly efficient phosphorescent emitters that are capable of converting nearly all current passing through a WOLED into light.

353

Orthogonal jumps of wavefunction in white-noise potentials  

E-Print Network [OSTI]

We investigate the evolution of the quantum state for a free particle placed into a random external potential of white-noise type. The master equation for the density matrix is derived by means of path integral method. We propose an equivalent stochastic process where the wavefunction satisfies a nonlinear Schr\\"odinger equation except for random moments at which it shows orthogonal jumps. The relation of our work to the usual theory of quantum noise and damping is briefly discussed.

Lajos Diósi

2015-01-01T23:59:59.000Z

354

A White Noise Approach to Phase Space Feynman Path Integrals  

E-Print Network [OSTI]

The concepts of phase space Feynman integrals in White Noise Analysis are established. As an example the harmonic oscillator is treated. The approach perfectly reproduces the right physics. I.e., solutions to the Schr\\"odinger equation are obtained and the canonical commutation relations are satisfied. The later can be shown, since we not only construct the integral but rather the Feynman integrand and the corresponding generating functional.

Wolfgang Bock; Martin Grothaus

2010-12-06T23:59:59.000Z

355

The origin of white luminescence from silicon oxycarbide thin films  

SciTech Connect (OSTI)

Silicon oxycarbide (SiC{sub x}O{sub y}) is a promising material for achieving strong room-temperature white luminescence. The present work investigated the mechanisms for light emission in the visible/ultraviolet range (1.5–4.0?eV) from chemical vapor deposited amorphous SiC{sub x}O{sub y} thin films, using a combination of optical characterizations and electron paramagnetic resonance (EPR) measurements. Photoluminescence (PL) and EPR studies of samples, with and without post-deposition passivation in an oxygen and forming gas (H{sub 2} 5 at.?% and N{sub 2} 95 at.?%) ambient, ruled out typical structural defects in oxides, e.g., Si-related neutral oxygen vacancies or non-bridging oxygen hole centers, as the dominant mechanism for white luminescence from SiC{sub x}O{sub y}. The observed intense white luminescence (red, green, and blue emission) is believed to arise from the generation of photo-carriers by optical absorption through C-Si-O related electronic transitions, and the recombination of such carriers between bands and/or at band tail states. This assertion is based on the realization that the PL intensity dramatically increased at an excitation energy coinciding with the E{sub 04} band gaps of the material, as well as by the observed correlation between the Si-O-C bond density and the PL intensity. An additional mechanism for the existence of a blue component of the white emission is also discussed.

Nikas, V.; Gallis, S., E-mail: sgalis@us.ibm.com; Huang, M.; Kaloyeros, A. E. [College of Nanoscale Sciences and Engineering, State University of New York, Albany, New York 12203 (United States); Nguyen, A. P. D.; Stesmans, A.; Afanas'ev, V. V. [Department of Physics and Astronomy, University of Leuven, Celestijnenlaan 200D, B-3001 Leuven (Belgium)

2014-02-10T23:59:59.000Z

356

White House Highlights Climate Action Champions' Achievements | Department  

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 and Materials Disposition Information WasteDepartmentof Energy White

357

City of White, South Dakota (Utility Company) | 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 Inspector GeneralDepartmentAUDITOhioOglesby,Sullivan, MissouriWebster City,White Place: South Dakota

358

Measuring M dwarf Winds with DAZ White Dwarfs  

E-Print Network [OSTI]

Hydrogen atmosphere white dwarfs with metal lines, so-called DAZs, show evidence for ongoing accretion of material onto their surfaces. Some DAZs are known to have unresolved M dwarf companions, which could account for the observed accretion through a stellar wind. I combine observed Ca abundances of the DAZs with information on the orbital separation of their M dwarf companions to infer the mass loss rate of the M dwarfs. I find that for three of the six known DAZs with M dwarf companions, a stellar wind can plausibly explain the observed accretion on the white dwarfs assuming Bondi-Hoyle accretion of solar abundance stellar winds on the order of 10$^{-14}-10^{-16}\\Msun$ yr$^{-1}$. The rest of the sample have companions with orbits $\\gtorder$ 1~AU, and require companion mass loss rates of $> 10^{-11}\\Msun$ yr$^{-1}$. I conclude that there must be an alternative explanation for accretion of material onto DAZs with widely separated companions. The inferred winds for two of the close binaries are orders of magnitude smaller than typically assumed for the angular momentum loss of red dwarf-white dwarf pairs due to magnetic braking from a stellar wind and may seriously affect predictions for the formation rate of CVs with low mass companions.

J. H. Debes

2006-08-01T23:59:59.000Z

359

1998 White Book, Pacific Northwest Loads and Resources Study (summary)  

SciTech Connect (OSTI)

The Pacific Northwest Loads and Resources Study (White Book) is published annually by BPA and establishes the planning basis for supplying electricity to customers. It serves a dual purpose. First, the White Book presents projections of regional and Federal system load and resource capabilities, along with relevant definitions and explanations. Second, the White Book serves as a benchmark for annual BPA determinations made pursuant to the 1981 regional power sales contracts.1 Specifically, BPA uses the information in the White Book for determining the notice required when customers request to increase or decrease the amount of power purchased from BPA. The White Book compiles information obtained from several formalized resource planning reports and data submittals, including those from the Northwest Power Planning Council (Council) and the Pacific Northwest Utilities Conference Committee (PNUCC). The White Book is not an operational planning guide, nor is it used for inventory planning to determine BPA revenues. Operation of the Federal Columbia River Power System (FCRPS) is based on a set of criteria different from that used for resource planning decisions. Operational planning is dependent upon real-time or near-term knowledge of system conditions, including expectations of river flows and runoff, market opportunities, availability of reservoir storage, energy exchanges, and other factors affecting the dynamics of operating a power system. The 1998 White Book is presented in two documents: 1) this summary of Federal system and Pacific Northwest region loads and resources; and 2) a technical appendix detailing the loads and resources for each major Pacific Northwest generating utility. This analysis updates the December 1997 Pacific Northwest Loads and Resources Study. The load forecast is derived by using economic planning models to predict the loads that will be placed on electric utilities in the region. This study incorporates information on contract obligations and contract resources, combined with the resource capabilities obtained from public utility and investor-owned utility (IOU) customers through their annual data submittals to the PNUCC, from BPA’s Firm Resource Exhibit (FRE Exhibit 1) submittals, and through analysis of the Federal hydroelectric power system. The 1998 study uses the same economic forecast used for the 1997 study. In this loads and resources study, resource availability is compared with a medium forecast of electricity consumption. The forecasted future electricity demands—firm loads—are subtracted from the projected capability of existing and “contracted for” resources to determine whether BPA and the region will be surplus or deficit. If Federal system resources are greater than loads in any particular year or month, there is a surplus of energy and/or capacity, which BPA may use or market to increase revenues. Conversely, if Federal system firm loads exceed available resources, there is a deficit of energy and/or capacity and BPA would add conservation or contract purchases as needed to meet its firm loads.

none,

1998-12-01T23:59:59.000Z

360

1999 White Book, Pacific Northwest Loads and Resources Study  

SciTech Connect (OSTI)

The Pacific Northwest Loads and Resources Study (White Book) is published annually by BPA and establishes the planning basis for supplying electricity to customers. It serves a dual purpose. First, the White Book presents projections of regional and Federal system load and resource capabilities, along with relevant definitions and explanations. Second, the White Book serves as a benchmark for annual BPA determinations made pursuant to its regional power sales contracts.1 Specifically, BPA uses the information in the White Book for determining the notice required when customers request to increase or decrease the amount of power purchased from BPA. The White Book will not be used in calculations for the 2002 regional power sales contract subscription process. The White Book compiles information obtained from several formalized resource planning reports and data submittals, including those from the Northwest Power Planning Council (Council) and the Pacific Northwest Utilities Conference Committee (PNUCC). The White Book is not an operational planning guide, nor is it used for determining BPA revenues. Operation of the Federal Columbia River Power System (FCRPS) is based on a set of criteria different from that used for resource planning decisions. Operational planning is dependent upon real-time or near-term knowledge of system conditions, including expectations of river flows and runoff, market opportunities, availability of reservoir storage, energy exchanges, and other factors affecting the dynamics of operating a power system. In this loads and resources study, resource availability is compared with a medium forecast of electricity consumption. The forecasted future electricity demands—firm loads—are subtracted from the projected capability of existing and “contracted for” resources to determine whether BPA and the region will be surplus or deficit. If Federal system resources are greater than loads in any particular year or month, there is a surplus of energy and/or capacity, which BPA may use or market to increase revenues. Conversely, if Federal system firm loads exceed available resources, there is a deficit of energy and/or capacity and BPA would add conservation or contract purchases as needed to meet its firm loads. The load forecast is derived by using econometric models and analysis to predict the loads that will be placed on electric utilities in the region. This study incorporates information on contract obligations and contract resources, combined with the resource capabilities obtained from public utility and investor-owned utility (IOU) customers through their annual data submittals to the PNUCC, from BPA’s Firm Resource Exhibit (FRE Exhibit I) submittals, and through analysis of the Federal hydroelectric power system. The loads and resources analysis in this study simulates the operation of the power system under the Pacific Northwest Coordination Agreement (PNCA) produced by the Pacific Northwest Coordinating Group. The PNCA defines the planning and operation of the regional hydrosystem.

none,

1999-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "white pelican pelecanus" 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.


361

8.4 White Dwarfs As an asymptotic giant branch star becomes larger and more luminous, the  

E-Print Network [OSTI]

8.4 White Dwarfs As an asymptotic giant branch star becomes larger and more luminous, the rate is the reminant core, the white dwarf. Our knowledge of white dwarfs began in 1850 with the discovery be both hot and faint was for Sirius B to be very, very small, and so they were called white dwarf stars

Peletier, Reynier

362

BLACK-WHITE BENCHMARKS FOR THE CITY OF PITTSBURGH Ralph Bangs, Christine Anthou, Shannon Hughes, Chris Shorter  

E-Print Network [OSTI]

BLACK-WHITE BENCHMARKS FOR THE CITY OF PITTSBURGH Ralph Bangs, Christine Anthou, Shannon Hughes,750, and the non-Hispanic white (white alone) population was 223,982. These numbers are fairly typical of large cities in the US. The purpose of this report is to assess the socioeconomic status of blacks and whites

Sibille, Etienne

363

White pines, Ribes, and blister rust: a review and synthesis By Brian W. Geils1,4  

E-Print Network [OSTI]

REVIEW White pines, Ribes, and blister rust: a review and synthesis By Brian W. Geils1,4 , Kim E, white pine blister rust (Cronartium ribicola) has linked white pines (Strobus) with currants in genetics and proteomics, our current understanding and management of the white pine blister rust

364

78.1: Ultra Compact Polarization Recycling System for White Light LED based Pico-Projection System  

E-Print Network [OSTI]

78.1: Ultra Compact Polarization Recycling System for White Light LED based Pico-Projection System polarization recycling system, for white light LED based projectors, is proposed. White light LED is applied. In this paper, we propose an ultra compact polarization recycling system for white light LED based projection

365

Detached white-dwarf close-binary stars -- CV's extended family  

E-Print Network [OSTI]

I review detached binaries consisting of white dwarfs with either other white dwarfs or low mass main-sequence stars in tight orbits around them. Orbital periods have been measured for 15 white dwarf/white dwarf systems and 22 white dwarf/M dwarf systems. While small compared to the number of periods known for CVs (>300), I argue that each variety of detached system has a space density an order of magnitude higher that of CVs. While theory matches the observed distribution of orbital periods of the white dwarf/white dwarf binaries, it predicts white dwarfs of much lower mass than observed. Amongst both types of binary are clear examples of helium core white dwarfs, as opposed to the usual CO composition; similar systems must exist amongst the CVs. White dwarf/M dwarf binaries suffer from selection effects which diminish the numbers seen at long and short periods. They are useful for the study of irradiation; I discuss evidence to suggest that Balmer emission is broadened by optical depth effects to an extent which limits its usefulness for imaging the secondary stars in CVs.

T. R. Marsh

1999-06-07T23:59:59.000Z

366

Renewable Energy Opportunities at White Sands Missile Range, New Mexico  

SciTech Connect (OSTI)

The document provides an overview of renewable resource potential at White Sands Missile Range (WSMR) based primarily upon analysis of secondary data sources supplemented with limited on-site evaluations. The effort was funded by the U.S. Army Installation Management Command (IMCOM) as follow-on to the 2005 DoD Renewable Energy Assessment. This effort focuses on grid-connected generation of electricity from renewable energy sources and also ground source heat pumps (GSHPs) for heating and cooling buildings, as directed by IMCOM.

Chvala, William D.; Solana, Amy E.; States, Jennifer C.; Warwick, William M.; Weimar, Mark R.; Dixon, Douglas R.

2008-09-01T23:59:59.000Z

367

World Record White OLED Performance Exceeds 100 lm/W  

Broader source: Energy.gov [DOE]

Universal Display Corporation (UDC) has successfully demonstrated a record-breaking white organic light-emitting diode (WOLED) with a power efficacy of 102 lm/W at 1000 cd/m2 using its proprietary, high-efficiency phosphorescent OLED technology. This achievement represents a significant milestone for OLED technology, demonstrating performance that surpasses the power efficacy of incandescent bulbs with less than 15 lm/W and fluorescent lamps at 60-90 lm/W. Funded in part by DOE, UDC's achievement is a major step toward DOE's roadmap goal of a 150 lm/W commercial OLED light source by 2015.

368

Thermonuclear Explosions of Chandrasekhar-Mass White Dwarfs  

E-Print Network [OSTI]

We present a new way of modeling turbulent thermonuclear deflagration fronts in Chandrasekhar-mass white dwarfs, consisting of carbon and oxygen, undergoing a type Ia supernova explosion. Our approach is a front capturing/tracking hybrid scheme, based on a level set method, which treats the front as a mathematical discontinuity and allows for full coupling between the front geometry and the flow field. First results of the method applied to the problem of type Ia supernovae are discussed. It will be shown that even in 2-D and even with a physically motivated sub-grid model numerically ``converged'' results are difficult to obtain.

W. Hillebrandt; M. Reinecke; J. C. Niemeyer

2000-05-16T23:59:59.000Z

369

Llano Estacado Wind Ranch at White Deer | 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 hasInformation Earth's Heat JumpInc Place:KeystoneSolarListLiveFuels Inc Jump to:White Deer Jump to:

370

White House Forum on Energy Security (Update) | 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 EnergyEnergyENERGYWomen Owned SmallOf TheViolations | Department of Energyis EIA?White House Forum on

371

White House Highlights New DOE Measures to Advance Renewable 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 EnergyEnergyENERGYWomen Owned SmallOf TheViolations | Department of Energyis EIA?White House Forum

372

White House Highlights Two Energy-Slashing, Open Data Initiatives |  

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 EnergyEnergyENERGYWomen Owned SmallOf TheViolations | Department of Energyis EIA?White House

373

White House Rural Council: Creating New Business Opportunities | Department  

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 EnergyEnergyENERGYWomen Owned SmallOf TheViolations | Department of Energyis EIA?White Houseof

374

White House honors Sandia nurse for helping women veterans, children |  

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 FerromagnetismWaste and MaterialsWenjun DengWISP SignIn OctoberWhite House honors

375

White Paper on DOE-HEP Accelerator Modeling Science Activities  

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 FerromagnetismWaste and MaterialsWenjun DengWISP SignIn OctoberWhite House

376

White brings talent, energy to PPPL's small business program | Princeton  

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 FerromagnetismWaste and MaterialsWenjun DengWISP SignIn OctoberWhite HousePlasma

377

White-Etching Crack Failure Overview, Tomography Analysis, and Test  

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 FerromagnetismWaste and MaterialsWenjun DengWISP SignIn OctoberWhite

378

White Oak Wind Energy Center | 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: SaltTroyer & AssociatesWestILI Wind FarmName White Oak Wind

379

White Plains, New York: Energy Resources | 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: SaltTroyer & AssociatesWestILI Wind FarmName White Oak

380

White Sands, New Mexico: Energy Resources | 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: SaltTroyer & AssociatesWestILI Wind FarmName White

Note: This page contains sample records for the topic "white pelican pelecanus" 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.


381

White County Rural E M C | 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 SolarElectric Coop,SaveWhiskey Flats Geothermal Area Jump to: navigation, searchWhite

382

White River Electric Assn, Inc | 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 SolarElectric Coop,SaveWhiskey Flats Geothermal Area Jump to: navigation,HouseWhite

383

White House Meeting Honors New Superior Energy Performance Members |  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

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 Rank EERE:YearRound-Up from theDepartment of Dept.| WEATHERIZATION5 | EnergyMay 7, 2009Energy White

384

ACCURATE MASS ESTIMATORS FOR NAVARRO-FRENK-WHITE HALOS  

SciTech Connect (OSTI)

We consider the problem of estimating the virial mass of a dark halo from the positions and velocities of a tracer population. Although a number of general tools are available, more progress can be made if we are able to specify the functional form of the halo potential (although not its normalization). Here, we consider the Navarro-Frenk-White halo and develop two simple estimators. We demonstrate their effectiveness against numerical simulations and use them to provide new mass estimates of Carina, Fornax, Sculptor, and Sextans dwarf spheroidal galaxies.

Evans, N. W.; Deason, A. J. [Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA (United Kingdom); An, J., E-mail: nwe@ast.cam.ac.uk, E-mail: ajd75@cam.ac.uk, E-mail: jinan@nao.cas.cn [National Astronomical Observatories, Chinese Academy of Sciences, A20 Datun Road, Chaoyang District, Beijing 100012 (China)

2011-04-01T23:59:59.000Z

385

Revisiting the Impact of Axions in the Cooling of White Dwarfs  

E-Print Network [OSTI]

It has been shown that the shape of the luminosity function of white dwarfs can be a powerful tool to check for the possible existence of DFSZ-axions. In particular, Isern et al. (2008) showed that, if the axion mass is of the order of a few meV, then the white dwarf luminosity function is sensitive enough to detect their existence. For axion masses of about $m_a > 5$ meV the axion emission can be a primary cooling mechanism for the white dwarf and the feedback of the axion emission into the thermal structure of the white dwarf needs to be considered. Here we present computations of white dwarf cooling sequences that take into account the effect of axion emission in a self consistent way by means of full stellar evolution computations. Then, we study and discuss the impact of the axion emission in the white dwarf luminosity function.

Brenda Melendez; Marcelo Miller Bertolami; Leandro Althaus

2012-10-01T23:59:59.000Z

386

White Dwarf Luminosity and Mass Functions from Sloan Digital Sky Survey Spectra  

E-Print Network [OSTI]

We present the first phase in our ongoing work to use Sloan Digital Sky Survey (SDSS) data to create separate white dwarf (WD) luminosity functions for two or more different mass ranges. In this paper, we determine the completeness of the SDSS spectroscopic white dwarf sample by comparing a proper-motion selected sample of WDs from SDSS imaging data with a large catalog of spectroscopically determined WDs. We derive a selection probability as a function of a single color (g-i) and apparent magnitude (g) that covers the range -1.0 white dwarfs with Teff white dwarfs with Teff white dwarf luminosity function with nearly an order of magnitude (3,358) more spectroscopically confirmed white dwarfs than any previous work.

Steven DeGennaro; Ted von Hippel; D. E. Winget; S. O. Kepler; Atsuko Nitta; Detlev Koester; Leandro Althaus

2007-09-14T23:59:59.000Z

387

THE WHITE LIGHT LIMB FLARE OF 16 AUGUST 1989 AND ITS CHROMOSPHERIC COUNTERPART  

E-Print Network [OSTI]

THE WHITE LIGHT LIMB FLARE OF 16 AUGUST 1989 AND ITS CHROMOSPHERIC COUNTERPART Jianqi You 1 comparing the white-light (#21;5600 #6; 800 #23; A) and the slit-jaw H#11; images (0.5 #23; A passband) of the 2N/X20 white-light are of 16 August 1989, we found that the H#11; counterpart identi#12;cation

Li, Hui

388

Cool White Dwarfs Identified in the Second Data Release of the UKIRT Infrared Deep Sky Survey  

E-Print Network [OSTI]

We have paired the Second Data Release of the Large Area Survey of the UKIRT Infrared Deep Sky Survey with the Fifth Data Release of the Sloan Digital Sky Survey to identify ten cool white dwarf candidates, from their photometry and astrometry. Of these ten, one was previously known to be a very cool white dwarf. We have obtained optical spectroscopy for seven of the candidates using the GMOS-N spectrograph on Gemini North, and have confirmed all seven as white dwarfs. Our photometry and astrometry indicates that the remaining two objects are also white dwarfs. Model analysis of the photometry and available spectroscopy shows that the seven confirmed new white dwarfs, and the two new likely white dwarfs, have effective temperatures in the range Teff = 5400-6600 K. Our analysis of the previously known white dwarf confirms that it is cool, with Teff = 3800 K. The cooling age for this dwarf is 8.7 Gyr, while that of the nine ~6000 K white dwarfs is 1.8-3.6 Gyr. We are unable to determine the masses of the white dwarfs from the existing data, and therefore we cannot constrain the total ages of the white dwarfs. The large cooling age for the coolest white dwarf in the sample, combined with its low estimated tangential velocity, suggests that it is an old member of the thin disk, or a member of the thick disk of the Galaxy, with an age 10-11 Gyr. The warmer white dwarfs appear to have velocities typical of the thick disk or even halo; these may be very old remnants of low-mass stars, or they may be relatively young thin disk objects with unusually high space motion.

N. Lodieu; S. K. Leggett; P. Bergeron; A. Nitta

2008-10-22T23:59:59.000Z

389

White Paper on Energy Efficiency Status of Energy-Using Products in China (2011)  

E-Print Network [OSTI]

Kai. Motor System Energy Efficiency Practical Guide [M].products in China – Energy efficiency standards and labelingWhite Paper – Energy Efficiency Status of Energy- Using

Zhou, Nan

2013-01-01T23:59:59.000Z

390

Age, movements, and feeding ecology of northwest Atlantic white sharks estimated from ecogeochemical profiles in vertebrae  

E-Print Network [OSTI]

White sharks (Carcharodon carcharias) are highly migratory, ecologically important, vulnerable, and understudied marine predators. Ecogeochemistry, which takes advantage of natural variations in chemical signatures recorded ...

Hamady, Li Ling

2014-01-01T23:59:59.000Z

391

Microsoft PowerPoint - 1_JESSICA_WHITE-HORTON_NMMSS_2014_JWH...  

National Nuclear Security Administration (NNSA)

Emerging Technologies to Improve Accountability and Safeguards Jessica White-Horton, Oak Ridge National Laboratory Overview Nonproliferation ConcernsSafeguards Challenges ...

392

Microsoft Word - CTF WBS&PEDS_white paper_v1.doc  

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

WHITE PAPER Work Breakdown Structure and PlantEquipment Designation System Numbering Scheme for the High Temperature Gas- Cooled Reactor (HTGR) Component Test Capability (CTC)...

393

Microsoft Word - 11-21605_Nuclear_Facility_Boundary_White_Paper...  

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

those specified for the nuclear - industrial facility boundary. g. Functions from NGNP white paper, INLEXT-10-19509, "Structures, Systems, and Components Safety Classification,"...

394

Microsoft PowerPoint - Ron Blakely MSI Session White House Initiative...  

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

House Initiative White House Initiative on Historically Black on Historically Black Colleges and Colleges and Universities Universities US Dept of Energy US Dept of Energy US Dept...

395

Microsoft Word - PC-000566_0_White Paper_rel.doc  

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

Services for the Next Generation Nuclear Plant (NGNP) with Hydrogen Production White Paper - Characterizing the Effect of NGNP Operating Conditions on the Uncertainty of...

396

Magnetic white dwarfs in the Early Data Release of the Sloan Digital Sky Survey  

E-Print Network [OSTI]

We have identified 7 new magnetic DA white dwarfs in the Early Data Release of the Sloan Digital Sky Survey. Our selection strategy has also recovered all the previously known magnetic white dwarfs contained in the SDSS EDR, KUV03292+0035 and HE0330-0002. Analysing the SDSS fibre spectroscopy of the magnetic DA white dwarfs with our state-of-the-art model spectra, we find dipole field strengths 1.5<=B_d<=63MG and effective temperatures 8500<=Teff<=39000K. As a conservative estimate, we expect that the complete SDSS will increase the number of known magnetic white dwarfs by a factor 3.

B. T. Gaensicke; F. Euchner; S. Jordan

2002-08-26T23:59:59.000Z

397

LIMB-DARKENING COEFFICIENTS FOR ECLIPSING WHITE DWARFS  

SciTech Connect (OSTI)

We present extensive calculations of linear and nonlinear limb-darkening coefficients as well as complete intensity profiles appropriate for modeling the light-curves of eclipsing white dwarfs. We compute limb-darkening coefficients in the Johnson-Kron-Cousins UBVRI photometric system as well as the Large Synoptic Survey Telescope (LSST) ugrizy system using the most up to date model atmospheres available. In all, we provide the coefficients for seven different limb-darkening laws. We describe the variations of these coefficients as a function of the atmospheric parameters, including the effects of convection at low effective temperatures. Finally, we discuss the importance of having readily available limb-darkening coefficients in the context of present and future photometric surveys like the LSST, Palomar Transient Factory, and the Panoramic Survey Telescope and Rapid Response System (Pan-STARRS). The LSST, for example, may find {approx}10{sup 5} eclipsing white dwarfs. The limb-darkening calculations presented here will be an essential part of the detailed analysis of all of these systems.

Gianninas, A.; Strickland, B. D.; Kilic, Mukremin [Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, 440 W. Brooks St., Norman, OK 73019 (United States)] [Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, 440 W. Brooks St., Norman, OK 73019 (United States); Bergeron, P., E-mail: alexg@nhn.ou.edu, E-mail: benstrickland@ou.edu, E-mail: kilic@ou.edu, E-mail: bergeron@astro.umontreal.ca [Departement de Physique, Universite de Montreal, C.P. 6128, Succ. Centre-Ville, Montreal, Quebec H3C 3J7 (Canada)

2013-03-20T23:59:59.000Z

398

Measuring M dwarf Winds with DAZ White Dwarfs  

E-Print Network [OSTI]

Hydrogen atmosphere white dwarfs with metal lines, so-called DAZs, show evidence for ongoing accretion of material onto their surfaces. Some DAZs are known to have unresolved M dwarf companions, which could account for the observed accretion through a stellar wind. I combine observed Ca abundances of the DAZs with information on the orbital separation of their M dwarf companions to infer the mass loss rate of the M dwarfs. I find that for three of the six known DAZs with M dwarf companions, a stellar wind can plausibly explain the observed accretion on the white dwarfs assuming Bondi-Hoyle accretion of solar abundance stellar winds on the order of 10$^{-14}-10^{-16}\\Msun$ yr$^{-1}$. The rest of the sample have companions with orbits $\\gtorder$ 1~AU, and require companion mass loss rates of $> 10^{-11}\\Msun$ yr$^{-1}$. I conclude that there must be an alternative explanation for accretion of material onto DAZs with widely separated companions. The inferred winds for two of the close binaries are orders of magn...

Debes, J H

2006-01-01T23:59:59.000Z

399

A Detailed Spectroscopic and Photometric Analysis of DQ White Dwarfs  

E-Print Network [OSTI]

We present an analysis of spectroscopic and photometric observations of cool DQ white dwarfs based on improved model atmosphere calculations. In particular, we revise the atmospheric parameters of the trigonometric parallax sample of Bergeron, Leggett, & Ruiz, and discuss the astrophysical implications on the temperature scale and mean mass, as well as the chemical evolution of these stars. We also analyze 40 new DQ stars discovered in the first data release of the Sloan Digital Sky Survey. Our analysis confirms that effective temperatures derived from model atmospheres including carbon are significantly lower than the temperatures obtained from pure helium models. Similarly the mean mass of the trigonometric parallax sample, = 0.62 Mo, is significantly lower than that obtained from pure helium models, = 0.73 Mo, and more consistent with the spectroscopic mean mass of DB stars, = 0.59 Mo, the most likely progenitors of DQ white dwarfs. We find that DQ stars form a remarkably well defined sequence in a carbon abundance versus effective temperature diagram; below Teff~10,000 K, carbon pollution decreases monotonically with decreasing effective temperature. Improved evolutionary models including diffusion and connecting to the PG 1159 phase are used to infer a typical value for the thickness of the helium layer M_He/M_* between 10^{-3} and 10^{-2}, compatible with the predictions of post-AGB models.

P. Dufour; P. Bergeron; G. Fontaine

2005-03-21T23:59:59.000Z

400

White dwarfs as test objects of Lorentz violations  

E-Print Network [OSTI]

In the present work the thermodynamical properties of bosonic and fermionic gases are analyzed under the condition that a modified dispersion relation is present. This last condition implies a breakdown of Lorentz symmetry. The implications upon the condensation temperature will be studied, as well, as upon other thermodynamical variables such as specific heat, entropy, etc. Moreover, it will be argued that those cases entailing a violation of time reversal symmetry of the motion equations could lead to problems with the concept of entropy. Concerning the fermionic case it will be shown that Fermi temperature suffers a modification due to the breakdown of Lorentz symmetry. The results will be applied to white dwarfs and the consequences upon the Chandrasekhar mass--radius relation will be shown. The possibility of resorting to white dwarfs for the testing of modified dispersion relations is also addressed. It will be shown that the comparison of the current observations against the predictions of our model allows us to discard some values of one of the parameters appearing in the modifications of the dispersion relation.

Abel Camacho

2006-10-13T23:59:59.000Z

Note: This page contains sample records for the topic "white pelican pelecanus" 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

White Light Emitting Diode Development for General Illumination Applications  

SciTech Connect (OSTI)

This report contains a summary of technical achievements during a 3-year project aimed at developing the chip and packaging technology necessary to demonstrate efficient, high flux light-emitting diode (LED) arrays using Cree's gallium nitride/silicon carbide (GaN/SiC) LED technology as the starting point. Novel chip designs and fabrication processes are described that led to high power blue LEDs that achieved 310 mW of light output at 350 mA drive current, corresponding to quantum and wall plug efficiencies of 32.5% and 26.5%, respectively. When combined with phosphor, high power white LEDs with luminous output of 67 lumens and efficacy of 57 lumens per watt were also demonstrated. Advances in packaging technology are described that enabled compact, multi-chip white LED lamp modules with 800-1000 lumens output at efficacies of up to 55 lumens per watt. Lamp modules with junction-to-ambient thermal resistance as low as 1.7 C/watt have also been demonstrated.

James Ibbetson

2006-05-01T23:59:59.000Z

402

DA WHITE DWARFS OBSERVED IN THE LAMOST PILOT SURVEY  

SciTech Connect (OSTI)

A total of {approx}640, 000 objects from the LAMOST pilot survey have been publicly released. In this work, we present a catalog of DA white dwarfs (DAWDs) from the entire pilot survey. We outline a new algorithm for the selection of white dwarfs (WDs) by fitting Sersic profiles to the Balmer H{beta}, H{gamma}, and H{delta} lines of the spectra, and calculating the equivalent width of the Ca II K line. Two thousand nine hundred sixty-four candidates are selected by constraining the fitting parameters and the equivalent width of the Ca II K line. All the spectra of candidates are visually inspected. We identify 230 DAWDs (59 of which are already included in the Villanova and SDSS WD catalogs), 20 of which are DAWDs with non-degenerate companions. In addition, 128 candidates are classified as DAWDs/subdwarfs, which means the classifications are ambiguous. The result is consistent with the expected DAWD number estimated based on the LEGUE target selection algorithm.

Zhang Yueyang; Deng Licai; Liu Chao; Carrell, Kenneth; Yang Fan; Gao Shuang; Xu Yan; Li Jing; Zhang Haotong; Zhao Yongheng; Luo Ali; Bai Zhongrui; Yuan Hailong [Key Lab for Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012 (China); Lepine, Sebastien [Department of Astrophysics, Division of Physical Sciences, American Museum of Natural History, Central Park West at 79th Street, New York, NY (United States); Newberg, Heidi Jo; Carlin, Jeffrey L. [Department of Physics, Applied Physics and Astronomy, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY 12180 (United States); Jin Ge [University of Science and Technology of China, Hefei 230026 (China)

2013-08-01T23:59:59.000Z

403

130 LPW 1000 Lm Warm White LED for Illumination  

SciTech Connect (OSTI)

An illumination-grade warm-white LED, having correlated color temperature (CCT) between 2700 and 3500 K and capable of producing 1000 lm output at over 130 lm/W at room temperature, has been developed in this program. The high-power warm-white LED is an ideal source for use in indoor and outdoor lighting applications. Over the two year period, we have made the following accomplishments: • Developed a low-cost high-power white LED package and commercialized a series of products with CCT ranging from 2700 to 5700 K under the product name LUXEON M; • Demonstrated a record efficacy of 124.8 lm/W at a flux of 1023 lm, CCT of 3435 K and color rendering index (CRI) over 80 at room temperature in the productized package; • Demonstrated a record efficacy of 133.1 lm/W at a flux of 1015 lm, CCT of 3475 K and CRI over 80 at room temperature in an R&D package. The new high-power LED package is a die-on-ceramic surface mountable LED package. It has four 2 mm2 InGaN pump dice, flip-chip attached to a ceramic submount in a 2x2 array configuration. The submount design utilizes a design approach that combines a high-thermal- conductivity ceramic core for die attach and a low-cost and low-thermal-conductivity ceramic frame for mechanical support and as optical lens carrier. The LED package has a thermal resistance of less than 1.25 K/W. The white LED fabrication also adopts a new batch level (instead of die-by-die) phosphor deposition process with precision layer thickness and composition control, which provides not only tight color control, but also low cost. The efficacy performance goal was achieved through the progress in following key areas: (1) high-efficiency royal blue pump LED development through active region design and epitaxial growth quality improvement (funded by internal programs); (2) improvement in extraction efficiency from the LED package through improvement of InGaN-die-level and package-level optical extraction efficiency; and (3) improvement in phosphor system efficiency by improving the lumen equivalent (LE) and phosphor package efficiency (PPE) through improvement in phosphor-package interactions. The high-power warm-white LED product developed has been proven to have good reliability through extensive reliability tests. The new kilo-lumen package has been commercialized under the product name LUXEON M. As of the end of the program, the LUXEON M product has been released in the following CCT/CRI combinations: 3000K/70, 4000K/70, 5000K/70, 5700K/70, 2700K/80, 3000K/80 and 4000K/80. LM-80 tests for the products with CCTs of 4000 K and higher have reached 8500 hours, and per IESNA TM-21-11 have established an L70 lumen maintenance value of >51,000 hours at A drive current and up to 120 °C board temperature.

Soer, Wouter

2012-06-14T23:59:59.000Z

404

Middle class African American mothers' perceptions of White teachers' interactions with their African American children in predominately White suburban junior high schools  

E-Print Network [OSTI]

This research study was conducted as a qualitative case study of six middle class African American mothers living in a suburban community. Their children attended a predominantly White suburban junior high school in their community. The study...

Williams, Twyla Jeanette

2009-05-15T23:59:59.000Z

405

Liquid metal feeding through dendritic region in Ni-Hard white iron  

SciTech Connect (OSTI)

Liquid permeability in the dendritic regions is one of the factors that determine porosity formation and macro segregation in castings. Permeability in the dendritic structure of Ni-Hard white iron was measured as a function of temperature. Effect of microstructural coarsening on the permeability was also investigated. Permeability increased with coarsening dendritic structure in Ni-Hard white iron.

Oryshchyn, Danylo B.; Dogan, Omer N.

2005-01-01T23:59:59.000Z

406

Project Information Form Project Title White Paper on Performance Based Approaches to Incentivize Local Adoption of  

E-Print Network [OSTI]

Provided (by each agency or organization) Caltrans $23,385 Total Project Cost $23,385 Agency ID or ContractProject Information Form Project Title White Paper on Performance Based Approaches to Incentivize of Research Project This white paper will consider how to incentivize local government adoption of land use

California at Davis, University of

407

WhiteCap DOE/ERIP progress report, October--December 1996  

SciTech Connect (OSTI)

This progress report describes work done October through December 1996 for the WhiteCap system. The work included installation and commissioning of the large WhiteCap system at the Common House, radiant cooling components installation in the floor of the Southwest House, preparation of an operations and maintenance manual, and commissioning of a monitoring system.

NONE

1997-01-10T23:59:59.000Z

408

, 201224642802013Proc. R. Soc. B R. Donnelly, A. Best, A. White and M. Boots  

E-Print Network [OSTI]

, 201224642802013Proc. R. Soc. B R. Donnelly, A. Best, A. White and M. Boots virulence is density #12;rspb.royalsocietypublishing.org Research Cite this article: Donnelly R, Best A, White A, Boots M. Boots2 1 Department of Mathematics, Maxwell Institute for Mathematical Sciences, Heriot­Watt University

White, Andrew

409

Nanocluster-based white-light-emitting material employing surface tuning  

DOE Patents [OSTI]

A method for making a nanocrystal-based material capable of emitting light over a sufficiently broad spectral range to appear white. Surface-modifying ligands are used to shift and broaden the emission of semiconductor nanocrystals to produce nanoparticle-based materials that emit white light.

Wilcoxon, Jess P. (Albuquerque, NM); Abrams, Billie L. (Albuquerque, NM); Thoma, Steven G. (Albuquerque, NM)

2007-06-26T23:59:59.000Z

410

EA-1809: White Earth Nation Wind Energy Project II, Becker and Mahnomen Counties, MN  

Broader source: Energy.gov [DOE]

This EA evaluates the environmental impacts of a proposal to provide Congressionally Directed funds to the White Earth Nation to purchase and install up to four small mid-sized wind turbines at two sites near the towns of Waubun and Naytahwaush on the White Earth Reservation in Mahnomen County in western Minnesota .

411

Collisions of white dwarfs as a new progenitor channel for type Ia Stephan Rosswog1  

E-Print Network [OSTI]

- nario, a shock-triggered thermonuclear explosion ensues from the collision of two white dwarfs systems should provide upcoming supernova surveys with hundreds of such collision-induced thermonuclear agreement that the disintegration of a white dwarf (WD) in a thermonuclear explosion constitutes

Rosswog, Stephan

412

Kalkaska: A Round White Chip-Processing Potato Variety with Common Scab Resistance  

E-Print Network [OSTI]

Kalkaska: A Round White Chip-Processing Potato Variety with Common Scab Resistance D. S. Douches & J. Coombs & R. Hammerschmidt & W. W. Kirk & C. Long Published online: 19 May 2009 # Potato Association of America 2009 Abstract Kalkaska is a high yielding, round white potato with an attractive

Douches, David S.

413

Missaukee: A Round White Potato Variety Combining Chip-Processing With Resistance to Late Blight, Verticillium  

E-Print Network [OSTI]

Missaukee: A Round White Potato Variety Combining Chip-Processing With Resistance to Late Blight. Bird Published online: 26 August 2009 # Potato Association of America 2009 Abstract Previously identified as breeding line MSJ461-1, Missaukee is a round white chip processing potato variety resulting

Douches, David S.

414

Opportunistic Spectrum Scheduling for Mobile Cognitive Radio Networks in White Space  

E-Print Network [OSTI]

Opportunistic Spectrum Scheduling for Mobile Cognitive Radio Networks in White Space Li Zhang, Kai of secondary users, carefully scheduling the spectrum allocation in cognitive radio networks operating on white in an opportunistic manner, this paper studies how to schedule the spectrum assignment for mobile cognitive radio

California at Davis, University of

415

IMPROVING LARVAL SUNSHINE BASS PRODUCTION THROUGH SUPPLEMENTATION OF FEMALE WHITE BASS BROODSTOCK DIETS WITH  

E-Print Network [OSTI]

tested, menhaden fish oil provided female white bass broodstock the fatty acids (~3.9% n-3 long fish oil are essential for embryonic survival, sunshine bass appear to have lower n-3 LCIMPROVING LARVAL SUNSHINE BASS PRODUCTION THROUGH SUPPLEMENTATION OF FEMALE WHITE BASS BROODSTOCK

416

Habitat Use and Movements of Adult White Bass in Lake Poinsett  

E-Print Network [OSTI]

.. SOUTH DAKOTA c ) o o o Habitat Use and Movements of Adult White Bass in Lake Poinsett South Dakota Department of Game, Fish and Parks Wildlife Division Joe Foss Building Pierre, South Dakota 57501-3182 Completion Report No. 99-15 #12;,-. ...., (""l r" rm Habitat Use and Movements ofAdult White Bass in Lake

417

JANET RUTH WHITE University of Nevada -Las Vegas School of Architecture  

E-Print Network [OSTI]

JANET RUTH WHITE University of Nevada - Las Vegas School of Architecture Las Vegas, NV 89154-4018 janet.white@unlv.edu (702) 895 - 4431 EDUCATION Cornell University School of Architecture, Art and Planning Ph.D., May 2001, History of Architecture and Urbanism Dissertation title: "The Intersection

Ahmad, Sajjad

418

THE ELM SURVEY. V. MERGING MASSIVE WHITE DWARF BINARIES  

SciTech Connect (OSTI)

We present the discovery of 17 low-mass white dwarfs (WDs) in short-period (P {<=} 1 day) binaries. Our sample includes four objects with remarkable log g {approx_equal} 5 surface gravities and orbital solutions that require them to be double degenerate binaries. All of the lowest surface gravity WDs have metal lines in their spectra implying long gravitational settling times or ongoing accretion. Notably, six of the WDs in our sample have binary merger times <10 Gyr. Four have {approx}>0.9 M{sub Sun} companions. If the companions are massive WDs, these four binaries will evolve into stable mass transfer AM CVn systems and possibly explode as underluminous supernovae. If the companions are neutron stars, then these may be millisecond pulsar binaries. These discoveries increase the number of detached, double degenerate binaries in the ELM Survey to 54; 31 of these binaries will merge within a Hubble time.

Brown, Warren R.; Kenyon, Scott J. [Smithsonian Astrophysical Observatory, 60 Garden St, Cambridge, MA 02138 (United States); Kilic, Mukremin; Gianninas, A. [Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, 440 W. Brooks St., Norman, OK, 73019 (United States); Allende Prieto, Carlos, E-mail: wbrown@cfa.harvard.edu, E-mail: skenyon@cfa.harvard.edu, E-mail: kilic@ou.edu, E-mail: alexg@nhn.ou.edu, E-mail: callende@iac.es [Instituto de Astrofisica de Canarias, E-38205, La Laguna, Tenerife (Spain)

2013-05-20T23:59:59.000Z

419

Thermonuclear Explosions of Chandrasekhar-Mass White Dwarfs  

E-Print Network [OSTI]

We present a new way of modeling turbulent thermonuclear deflagration fronts in Chandrasekhar-mass white dwarfs, consisting of carbon and oxygen, undergoing a type Ia supernova explosion. Our approach is a front capturing/tracking hybrid scheme, based on a level set method, which treats the front as a mathematical discontinuity and allows for full coupling between the front geometry and the flow field. First results of the method applied to the problem of type Ia supernovae are discussed. It will be shown that even in 2-D and even with a physically motivated sub-grid model numerically “converged ” results are difficult to obtain. Key Words: Hydrodynamics, turbulent combustion, type Ia supernovae 1.

Thermonuclear Explosions; Wolfgang Hillebr; Martin Reinecke; Jens C. Niemeyer

2000-01-01T23:59:59.000Z

420

Black/White hole radiation from dispersive theories  

E-Print Network [OSTI]

We study the fluxes emitted by black holes when using dispersive field theories. We work with stationary one dimensional backgrounds which are asymptotically flat on both sides of the horizon. The asymptotic fluxes are governed by a 3x3 Bogoliubov transformation. The fluxes emitted by the corresponding white holes are regular and governed by the inverse transformation. We numerically compute the spectral properties of these fluxes for both sub- and superluminal quartic dispersion. The leading deviations with respect to the dispersionless flux are computed and shown to be governed by a critical frequency above which there is no radiation. Unlike the UV scale governing dispersion, its value critically depends on the asymptotic properties of the background. We also study the flux outside the robust regime. In particular we show that its low frequency part remains almost thermal but with a temperature which significantly differs from the standard one. Application to four dimensional black holes and Bose-Einstein condensates are in preparation.

Jean Macher; Renaud Parentani

2009-06-02T23:59:59.000Z

Note: This page contains sample records for the topic "white pelican pelecanus" 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

Achieving WIPP certification for software: A white paper  

SciTech Connect (OSTI)

The NMT-1 and NMT-3 organizations within the Chemical and Metallurgical Research (CMR) facility at the Los Alamos National Laboratory (LANL) is working to achieve Waste Isolation Pilot Plant (WIPP) certification to enable them to transport their TRU waste to WIPP. In particular, the NMT-1 management is requesting support from the Idaho National Engineering and Environmental Laboratory (INEEL) to assist them in making the Laboratory Information Management System (LIMS) software WIPP certifiable. Thus, LIMS must be compliant with the recognized software quality assurance (SQA) requirements stated within the QAPD. Since the Idaho National Engineering and Environmental Laboratory (INEEL) has achieved WIPP certification, INEEL personnel can provide valuable assistance to LANL by sharing lessons learned and recommendations. Thus, this white paper delineates the particular software quality assurance requirements required for WIPP certification.

Matthews, S.D.; Adams, K.; Twitchell, K.E.

1998-07-01T23:59:59.000Z

422

70 DA WHITE DWARFS IDENTIFIED IN LAMOST PILOT SURVEY  

SciTech Connect (OSTI)

We present a spectroscopically identified catalog of 70 DA white dwarfs (WDs) from the LAMOST pilot survey. Thirty-five are found to be new identifications after cross-correlation with the Eisenstein et al. and Villanova catalogs. The effective temperature and gravity of these WDs are estimated by Balmer lines fitting. Most of them are hot WDs. The cooling times and masses of these WDs are estimated by interpolation in theoretical evolution tracks. The peak of the mass distribution is found to be {approx}0.6 M {sub Sun }, which is consistent with prior work in the literature. The distances of these WDs are estimated using the method of synthetic spectral distances. All of these WDs are found to be in the Galactic disk from our analysis of space motions. Our sample supports the expectation that WDs with high mass are concentrated near the plane of the Galactic disk.

Zhao, J. K.; Luo, A. L.; Zhao, G. [Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012 (China); Oswalt, T. D., E-mail: zjk@bao.ac.cn, E-mail: gzhao@bao.ac.cn, E-mail: lal@bao.ac.cn, E-mail: toswalt@fit.edu [Physics and Space Science Department, Florida Institute of Technology, Melbourne, FL 32901 (United States)

2013-06-01T23:59:59.000Z

423

An Independent Calibration of Stellar Ages: HST Observations of White Dwarfs at V=25  

E-Print Network [OSTI]

The white dwarf luminosity function of a stellar cluster will have a sharp truncation at a luminosity which is determined by the time since formation of the first white dwarfs in that cluster. Calculation of the dependence of this limiting luminosity on age requires relatively well-understood physics and is independent of stellar evolutionary models. Thus, measurement of the termination of the white dwarf luminosity function provides an independent method to determine the age of a cluster, and thereby to calibrate stellar evolutionary ages. We have obtained HST WFPC2 data in two open clusters, identified the white dwarf sequence, and proved the feasibility of this approach, by detecting white dwarfs to V=25. Much deeper data are feasible. From our present limited data, we show that degenerate cooling ages are not consistent with some published isochrone ages for clusters with ages of order 1Gyr.

Ted von Hippel; Gerard Gilmore; D. H. P. Jones

1995-01-18T23:59:59.000Z

424

Faint Blue Objects in the Hubble Deep Field South Revealed: White Dwarfs, Subdwarfs, and Quasars  

E-Print Network [OSTI]

We explore the nature of the faint blue objects in the Hubble Deep Field South. We have derived proper motions for the point sources in the Hubble Deep Field South using a 3 year baseline. Combining our proper motion measurements with spectral energy distribution fitting enabled us to identify 4 quasars and 42 stars, including 3 white dwarf candidates. Two of these white dwarf candidates, HDFS 1444 and 895, are found to display significant proper motion, 21.1 $\\pm$ 7.9 mas/yr and 34.9 $\\pm$ 8.0 mas/yr, and are consistent with being thick disk or halo white dwarfs located at ~2 kpc. The other faint blue objects analyzed by Mendez & Minniti do not show any significant proper motion and are inconsistent with being halo white dwarfs; they do not contribute to the Galactic dark matter. The observed population of stars and white dwarfs is consistent with standard Galactic models.

Mukremin Kilic; R. A. Mendez; Ted von Hippel; D. E. Winget

2005-07-22T23:59:59.000Z

425

White-Etching Matter in Bearing Steel. Part II: Distinguishing Cause and Effect in Bearing Steel Failure  

E-Print Network [OSTI]

The premature failure of large bearings of the type used in wind turbines, possibly through a mechanism called “white-structure flaking”, has triggered many studies of microstructural damage associated with “white-etching areas” created during...

Solano-Alvarez, W.; Bhadeshia, H. K. D. H.

2014-07-11T23:59:59.000Z

426

Dr. Brian White is the Superintendent of Schools for the Chartiers Valley School District. Shortly after beginning at Chartiers Valley in August 2010, Dr. White implemented a strategic planning process that engaged the members of  

E-Print Network [OSTI]

Dr. Brian White is the Superintendent of Schools for the Chartiers Valley School District. Shortly after beginning at Chartiers Valley in August 2010, Dr. White implemented a strategic planning process, Dr. White held several positions at the Beaver Area School District. He began as an assistant

Sibille, Etienne

427

x.0 Handling of White SVT Cables (SVT Excess Cables) before and during Withdrawing of Endcap In general we (UC Santa Cruz) prefer to do all handling of the white SVT cables necessary to withdraw and reinsert  

E-Print Network [OSTI]

13 x.0 Handling of White SVT Cables (SVT Excess Cables) before and during Withdrawing of Endcap In general we (UC Santa Cruz) prefer to do all handling of the white SVT cables necessary to withdraw@scipp.ucsc.edu, office in SC: (831) 459­3337 , extn. at SLAC: 8561. The white SVT cables consist of two parts

California at Santa Cruz, University of

428

AOAC Meeting and Exposition, Orlando, FL HPLC-PDA-Fluorescence-MS Analysis of Flavonoids in Red and White Cranberry  

E-Print Network [OSTI]

in Red and White Cranberry Introduction Cranberries (Vaccinium macrocarpon) exist in red and white stages of maturity. While consumption of red cranberries is much higher than white stage cranberries it is useful to know how they compare in regard to relative composition and biological effect. Cranberries contain high

Heller, Barbara

429

, 20120887, published online 26 December 2012102013J. R. Soc. Interface Alex Best, Hannah Tidbury, Andy White and Mike Boots  

E-Print Network [OSTI]

, Andy White and Mike Boots priming in invertebrate hosts The evolutionary dynamics of within.royalsocietypublishing.orgDownloaded from #12;rsif.royalsocietypublishing.org Research Cite this article: Best A, Tidbury H, White A, Boots, Andy White4 and Mike Boots2 1 School of Mathematics and Statistics, University of Sheffield, Sheffield

White, Andrew

430

White Matter Segmentation of Brain MRI during Infancy Michle Pport, Dana E. Ilea Ghita, Eilish Twomey, and Paul F. Whelan  

E-Print Network [OSTI]

White Matter Segmentation of Brain MRI during Infancy Michèle Péporté¹, Dana E. Ilea Ghita¹, Eilish is a neurodevelopment impairment which can be detected by analysing the inconsistencies in the white matter. Aim: This study describes a novel automatic white matter segmentation approach for premature infant data

Whelan, Paul F.

431

White paper for Developing an Advanced Fueling System and for supporting Disruption Mitigation studies for ITER on NSTX-U  

E-Print Network [OSTI]

White paper for Developing an Advanced Fueling System and for supporting 2012) 1/3 White Paper for Developing Advanced Fueling System-mails: raman@aa.washington.edu , Jarboe@aa.washington.edu , nelson@ee.washington.edu This white

432

White Paper on the Status and Future of Ground-based Gamma-ray Astronomy  

E-Print Network [OSTI]

In recent years, ground-based gamma-ray observatories have made a number of important astrophysical discoveries which have attracted the attention of the wider scientific community. The Division of Astrophysics of the American Physical Society has requested the preparation of a white paper on the status and future of ground-based gamma-ray astronomy to define the science goals of the future observatory, to determine the performance specifications, and to identify the areas of necessary technology development. In this contribution we give a brief overview of the activities of the current white paper team and invite the international community to contribute to the white paper.

Krawczynski, H; Byrum, K; Dermer, C; Dingus, B; Falcone, A; Kaaret, Philip; Krennrich, F; Pohl, M; Vasilev, V; Williams, D A

2007-01-01T23:59:59.000Z

433

Limits on the neutrino magnetic dipole moment from the luminosity function of hot white dwarfs  

E-Print Network [OSTI]

Recent determinations of the white dwarf luminosity function (WDLF) from very large surveys have extended our knowledge of the WDLF to very high luminosities. This, together with the availability of new full evolutionary white dwarf models that are reliable at high luminosities, have opened the possibility of testing particle emission in the core of very hot white dwarfs, where neutrino processes are dominant. We use the available WDLFs from the Sloan Digital Sky Survey and the SuperCOSMOS Sky Survey to constrain the value of the neutrino magnetic dipole moment ($\\mu_\

Marcelo Miguel Miller Bertolami

2014-07-05T23:59:59.000Z

434

Effects of controlled dog hunting on movements of female white-tailed deer.  

SciTech Connect (OSTI)

D'Angelo, Gino, J., John C. Kilgo, Christopher E. Comer, Cory D. Drennan, David A. Osborn, and Karl V. Miller. 2003. Effects of controlled dog hunting on movements of female white-tailed deer. In: Proceedings of the Annu. Conf. Southeast. Assoc. Fish and Wildl. Agencies. 57:317-325. This article explores the relationship between controlled dog hunting and the movements of female white tailed deer at the Savannah River Site, South Carolina. The data suggests that short term, controlled dog hunting has little long-term effect on adult, female white-tailed deer movement on the Savannah River Site.

D'Angelo, Gino, J.; Kilgo, John, C.; Comer, Christopher, E.; Drennan, Cory, D.; Osborn, David, A.; Miller, Karl, V.

2003-12-31T23:59:59.000Z

435

Constraining white-dwarf kicks in globular clusters : III. Cluster Heating  

E-Print Network [OSTI]

Recent observations of white dwarfs in globular clusters indicate that these stars may get a velocity kick during their time as giants. This velocity kick could originate naturally if the mass loss while on the asymptotic giant branch is slightly asymmetric. The kicks may be large enough to dramatically change the radial distribution of young white dwarfs, giving them larger energies than other stars in the cluster. As these energetic white dwarfs travel through the cluster they can impart their excess energy on the other stars in the cluster. This new heat source for globular clusters is expected to be largest during the clusters' youth.

Jeremy S. Heyl

2009-03-31T23:59:59.000Z

436

White Paper on the Status and Future of Ground-based Gamma-ray Astronomy  

E-Print Network [OSTI]

In recent years, ground-based gamma-ray observatories have made a number of important astrophysical discoveries which have attracted the attention of the wider scientific community. The Division of Astrophysics of the American Physical Society has requested the preparation of a white paper on the status and future of ground-based gamma-ray astronomy to define the science goals of the future observatory, to determine the performance specifications, and to identify the areas of necessary technology development. In this contribution we give a brief overview of the activities of the current white paper team and invite the international community to contribute to the white paper.

H. Krawczynski; J. Buckley; K. Byrum; C. Dermer; B. Dingus; A. Falcone; P. Kaaret; F. Krennrich; M. Pohl; V. Vassiliev; D. A. Williams; for the White Paper Team

2007-09-05T23:59:59.000Z

437

COSMOLOGICAL FAST RADIO BURSTS FROM BINARY WHITE DWARF MERGERS  

SciTech Connect (OSTI)

Recently, Thornton et al. reported the detection of four fast radio bursts (FRBs). The dispersion measures indicate that the sources of these FRBs are at cosmological distance. Given the large full sky event rate ?10{sup 4} sky{sup –1} day{sup –1}, the FRBs are a promising target for multi-messenger astronomy. Here we propose double degenerate, binary white-dwarf (WD) mergers as the source of FRBs, which are produced by coherent emission from the polar region of a rapidly rotating, magnetized massive WD formed after the merger. The basic characteristics of the FRBs, such as the energetics, emission duration and event rate, can be consistently explained in this scenario. As a result, we predict that some FRBs can accompany type Ia supernovae (SNe Ia) or X-ray debris disks. Simultaneous detection could test our scenario and probe the progenitors of SNe Ia, and moreover would provide a novel constraint on the cosmological parameters. We strongly encourage future SN and X-ray surveys that follow up FRBs.

Kashiyama, Kazumi; Mészáros, Peter [Department of Astronomy and Astrophysics, Department of Physics, Center for Particle and Gravitational Astrophysics, Pennsylvania State University, University Park, PA 16802 (United States)] [Department of Astronomy and Astrophysics, Department of Physics, Center for Particle and Gravitational Astrophysics, Pennsylvania State University, University Park, PA 16802 (United States); Ioka, Kunihito, E-mail: kzk15@psu.edu, E-mail: nnp@psu.edu, E-mail: kunihito.ioka@kek.jp [Theory Center, Institute of Particle and Nuclear Studies, KEK, Department of Particle and Nuclear Physics, the Graduate University for Advanced Studies (Sokendai), Tsukuba 305-0801 (Japan)] [Theory Center, Institute of Particle and Nuclear Studies, KEK, Department of Particle and Nuclear Physics, the Graduate University for Advanced Studies (Sokendai), Tsukuba 305-0801 (Japan)

2013-10-20T23:59:59.000Z

438

Every interacting double white dwarf binary may merge  

E-Print Network [OSTI]

Interacting double white dwarf binaries can give rise to a wide variety of astrophysical outcomes ranging from faint thermonuclear and Type Ia supernovae to the formation of neutron stars and stably accreting AM Canum Venaticorum systems. One key factor affecting the final outcome is whether mass transfer remains dynamically stable or instead diverges, leading to the tidal disruption of the donor and the merger of the binary. It is typically thought that for low ratios of the donor mass to the accretor mass, mass transfer remains stable, especially if accretion occurs via a disk. In this Letter, we examine disk-accreting binaries with extremely low mass ratios and find that the initial phase of hydrogen-rich mass transfer leads to a classical nova-like outburst on the accretor. Dynamical friction within the expanding nova shell shrinks the orbit and causes the mass transfer rate to increase dramatically above the accretor's Eddington limit, resulting in a binary merger. While further calculations are necessar...

Shen, Ken J

2015-01-01T23:59:59.000Z

439

Death by Dynamics: Planetoid-Induced Explosions on White Dwarfs  

E-Print Network [OSTI]

At intervals as short as ten thousand years, each white dwarf (WD) passes within a solar radius of a planetoid, i.e., a comet, asteroid, or planet. Gravitational tidal forces tear the planetoid apart; its metal-rich debris falls onto the WD, enriching the atmosphere. A third of WDs exhibit atmospheric "pollution". For roughly every hundred planetoid disruptions, a planetoid collides with a WD. We simulate a small number of collisions, in which "death-by-dynamics" refers to the fate of the planetoid. We also compute the energies and likely durations of a broad sample of collision events, and identify detection strategies at optical and X-ray wavelengths. Collisions with the most massive planetoids can be detected in external galaxies. Some may trigger nuclear burning. If one in $\\sim 10^7-10^8$ of WD-planetoid collisions creates the conditions needed for a Type Ia supernova (SN~Ia), "death-by-dynamics" would also refer to the fate of the WD, and could provide a novel channel for the production of SN~Ia. We con...

Di Stefano, Rosanne; Guillochon, James; Steiner, James F

2015-01-01T23:59:59.000Z

440

Turbulent Mixing on Helium-Accreting White Dwarfs  

E-Print Network [OSTI]

An attractive scenario for producing Type Ia supernovae (SNe Ia) is a double detonation, where detonation of an accreted helium layer triggers ignition of a C/O core. Whether or not such a mechanism can explain some or most SNe Ia depends on the properties of the helium burning, which in turn is set by the composition of the surface material. Using a combination of semi-analytic and simple numerical models, I explore when turbulent mixing due to hydrodynamic instabilities during the accretion process can mix C/O core material up into the accreted helium. Mixing is strongest at high accretion rates, large white dwarf (WD) masses, and slow spin rates. The mixing would result in subsequent helium burning that better matches the observed properties of SNe Ia. In some cases, there is considerable mixing that can lead to more than 50% C/O in the accreted layer at the time of ignition. These results will hopefully motivate future theoretical studies of such strongly mixed conditions. Mixing also has implications for...

Piro, Anthony L

2015-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "white pelican pelecanus" 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

White Dwarfs and Hot Subdwarfs as Seen from FUSE  

E-Print Network [OSTI]

We present a small collection of FUSE spectra representative of the main spectral classes found in white dwarf stars. In addition, we also discuss another family of hot evolved stars, that of the hot subdwarfs. Both families belong to the chemically peculiar stars, and it is thought that a complex interplay of competing processes such as gravitational settling, ordinary diffusion, radiative levitation, weak stellar winds, and accretion is responsible for the rich variety of atmospheric compositions observed in those objects. FUSE is playing a key role in the current quest for establishing a coherent theory of the spectral evolution of these stars as it allows the determination of the patterns of heavy element abundances at a significantly higher level of accuracy than has been possible before on the basis of optical or UV observations. We also briefly present some fascinating FUV light curves of a handful of pulsating subdwarf B stars, thus illustrating the unique potential of FUSE for asteroseismological studies, a potential which has not been exploited yet.

G. Fontaine; P. Chayer

2004-11-03T23:59:59.000Z

442

Mercury and cause of death in great white herons  

SciTech Connect (OSTI)

Mercury contamination is suspected to adversely affect wading birds in southern Florida. To determine the magnitude of contamination associated with cause of death we followed 3 adult and 19 juvenile radio-tagged great white herons (Ardea herodias occidentalis), recovered them soon after death, and determined liver mercury content and cause of death. Birds that died from acute causes had less (P < 0.001) mercury in their livers (geometric [bar x] [GM] = 1.77 ppm wet mass [wm], range 0.6-4.0 ppm, n = 9) than did those that died of chronic, often multiple, diseases (GM = 9.76 ppm, range 2.9-59.4 ppm, n = 13). Juvenile herons that migrated to mainland Florida accumulated more (P = 0.009) mercury in their livers than those that did not migrate. Kidney disease and gout were present in birds that died with >25 ppm wm liver mercury. Although detrimental to the health of wading birds, mercury contamination is presumably more detrimental to their reproductive efforts; therefore, an understanding of its ill effects is important in the management of these birds. 29 refs., 1 fig.

Spalding, M.G.; Sundlof, S.F. (Univ. of Florida, Gainesville, FL (United States)); Djork, R.D.; Powell, G.V.N. (National Audobon Research, Tavernier, FL (United States))

1994-10-01T23:59:59.000Z

443

A Possible Brown Dwarf Companion to the White Dwarf GD1400  

E-Print Network [OSTI]

An unresolved, likely L dwarf companion to the DA white dwarf GD1400 is reported. This would be only the second such system known, discovered 17 years after the prototype L dwarf, GD165B, was determined to be a companion to a white dwarf. Photometric observations and model predicted stellar parameters of the well studied white dwarf primary indicate that GD1400B has $J-K\\ga2.0$ and $M_K=12.13$ mag. If correct, this would place GD1400B at spectral type L6, and it would be the lowest luminosity unevolved companion known to a white dwarf, and thus a definite brown dwarf. However, a low resolution Keck NIRSPEC $2.1-2.4\\mu$m spectrum may not be consistent with known L dwarfs. Uncertainties in classification remain until the binary is resolved or a trigonometric parallax is measured.

J. Farihi; M. Christopher

2004-07-01T23:59:59.000Z

444

"I Never Thought It Would Happen Here": White Privilege and Assumptions of Safety  

E-Print Network [OSTI]

reinforces existing stereotypes that associate people of color with the dangerous side of the safety continuum, but also harks back to a history when white space was violently protected and its isolation legally sanctioned. Using 155 newspaper articles taken...

Varela, Kay S

2014-05-03T23:59:59.000Z

445

Assessment of the urban public's knowledge of white-tailed deer management in two Texas communities  

E-Print Network [OSTI]

Urbanization throughout much of Texas has resulted in diminished wildlife habitat, resulting from fragmented landscapes. Several previous studies addressed the public’s attitudes concerning the most acceptable white-tailed deer management techniques...

Alderson, Jessica Lynn

2009-05-15T23:59:59.000Z

446

Results of CC Follow-Up in the G. Rollie White Building  

E-Print Network [OSTI]

of energy consumption of G. Rollie White Coliseum included energy consumption and HVAC system operation data analysis, measurement on HVAC systems, and examination of the control program. HVAC hardware problems, HVAC operation problems, and control program...

Liu, C.; Turner, W. D.; Claridge, D. E.; Deng, S.; Bruner, H. L.

2002-01-01T23:59:59.000Z

447

Jose Eduardo de Albuquerque Clare Giacomantonio Andrew G. White Paul Meredith  

E-Print Network [OSTI]

(k), the thermal conduc- tivity k, and the thermal diffusivity coefficient a. It also depends on experimentalARTICLE Jose´ Eduardo de Albuquerque � Clare Giacomantonio Andrew G. White � Paul Meredith Study

White, Andrew G.

448

Project Team German Drazer, Assistant Professor, Chemical & Biomolecular Engineering Department, Whiting School  

E-Print Network [OSTI]

Project Team German Drazer, Assistant Professor, Chemical & Biomolecular Engineering Department, Whiting School of Engineering; John Herrmann, Graduate Student, Chemical & Biomolecular Engineering and by Diffusive Processes with Flash Animation Audience Students in the undergraduate courses Transport Phenomena

Gray, Jeffrey J.

449

An Investigation into the Perception of Color under LED White Composite Spectra with Modulated Color Rendering  

E-Print Network [OSTI]

emitting diodes, LEDs. We examined seven LED white composite spectra with different color rendering of a pilot study that evaluates the perceptual impact of modulation of color rendering using multi-chip light

O'Reilly, Una-May

450

KOI 1224: A FOURTH BLOATED HOT WHITE DWARF COMPANION FOUND WITH KEPLER  

E-Print Network [OSTI]

We present an analysis and interpretation of the Kepler binary system KOI 1224. This is the fourth binary found with Kepler that consists of a thermally bloated, hot white dwarf in a close orbit with a more or less normal ...

Breton, R. P.

451

Probing the brain’s white matter with diffusion MRI and a tissue dependent diffusion model   

E-Print Network [OSTI]

While diffusion MRI promises an insight into white matter microstructure in vivo, the axonal pathways that connect different brain regions together can only partially be segmented using current methods. Here we present ...

Piatkowski, Jakub Przemyslaw

2014-06-27T23:59:59.000Z

452

The White Dwarf Cooling Age of the Open Cluster NGC 2420  

E-Print Network [OSTI]

We have used deep HST WFPC2 observations of two fields in NGC 2420 to produce a cluster CMD down to V = 27. After imposing morphological selection criteria we find eight candidate white dwarfs in NGC 2420. Our completeness estimates indicate that we have found the terminus of the WD cooling sequence. We argue that the cluster distance modulus is likely to be close to 12.10 with E(B-V) = 0.04. With these parameters we find a white dwarf cooling age for NGC 2420 of 2.0 +- 0.20 (1 sigma) Gyrs. The 0.20 Gyr uncertainty includes errors in the photometry, sequence fitting, precursor time scales, and theoretical white dwarf cooling time scales. Comparing the cluster white dwarf cooling age to ages derived from stellar isochrone fitting we find a preference for ages derived from models incorporating convective overshoot.

Ted von Hippel; Gerard Gilmore

2000-06-02T23:59:59.000Z

453

Testing Fundamental Particle Physics with the Galactic White Dwarf Luminosity Function  

E-Print Network [OSTI]

Recent determinations of the white dwarf luminosity function (WDLF) from very large surveys have extended our knowledge of the WDLF to very high luminosities. It has been shown that the shape of the luminosity function of white dwarfs (WDLF) is a powerful tool to test the possible properties and existence of fundamental weakly interacting subelectronvolt particles. This, together with the availability of new full evolutionary white dwarf models that are reliable at high luminosities, have opened the possibility of testing particle emission in the core of very hot white dwarfs. We use the available WDLFs from the Sloan Digital Sky Survey and the SuperCOSMOS Sky Survey to constrain the values of the neutrino magnetic dipole moment ($\\mu_\

Marcelo M. Miller Bertolami; Brenda E. Melendez; Leandro G. Althaus; Jordi Isern

2014-10-07T23:59:59.000Z

454

Might Carbon-Atmosphere White Dwarfs Harbour a New Type of Pulsating Star?  

E-Print Network [OSTI]

In the light of the recent and unexpected discovery of a brand new type of white dwarfs, those with carbon-dominated atmospheres, we examine the asteroseismological potential of such stars. The motivation behind this is based on the observation that past models of carbon-atmosphere white dwarfs have partially ionized outer layers that bear strong resemblance with those responsible for mode excitation in models of pulsating DB (helium-atmosphere) and pulsating DA (hydrogen-atmosphere) white dwarfs. Our exciting main result is that, given the right location in parameter space, some carbon-atmosphere white dwarfs are predicted to show pulsational instability against gravity modes. We are eagerly waiting the results of observational searches for luminosity variations in these stars.

G. Fontaine; P. Brassard; P. Dufour

2008-03-14T23:59:59.000Z

455

User-guided White Balance for Mixed Lighting Conditions Ivaylo Boyadzhiev  

E-Print Network [OSTI]

(daylight + neon un- der the cabinets + low-energy bulbs on ceiling) ex- hibits unsightly color casts a solution to the ill-posed mixed light white balance problem, based on user guidance. Users scribble

Bala, Kavita

456

A novel white-light scanning interferometer for absolute nano-scale gap thickness measurement  

E-Print Network [OSTI]

This paper presents a special configuration of white-light scanning interferometer, in which the measured gap is not located in any interference arm of the interferometer, but acts as an amplitude-and-phase modulator of ...

Xu, Zhiguang

457

ORISE: The Value of Independence, a white paper on DOE Order...  

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

The Value of Independence ORISE white paper explains how DOE Order 458.1 brings independent verification to the forefront of D&D projects With the release of DOE Order 458.1 in...

458

White House Office of Science and Technology Policy Summer 2014 Internship Program Application Period  

Broader source: Energy.gov [DOE]

The White House Office of Science and Technology Policy is currently accepting applications for its Summer 2014 Internship Program.  The application deadline is 11:59pm Friday, March 7.  Students...

459

Join a White House Google+ Hangout with Energy Secretary Moniz & EPA Administrator McCarthy  

Broader source: Energy.gov [DOE]

Join us on Monday, May 19, 2014, at 1 p.m. ET for a live White House Google+ Hangout with Secretary Moniz and EPA Administrator Gina McCarthy about the state of our climate.

460

Consequence of total lepton number violation in strongly magnetized iron white dwarfs  

E-Print Network [OSTI]

The influence of neutrinoless electron to positron conversion on cooling of strongly magnetized iron white dwarfs is studied. It is shown that they can be good candidates for soft gamma-ray repeaters and anomalous X-ray pulsars.

V. B. Belyaev; P. Ricci; F. Simkovic; J. Adam, Jr.; M. Tater; E. Truhlik

2014-06-04T23:59:59.000Z

Note: This page contains sample records for the topic "white pelican pelecanus" 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

Habitat selection and movement patterns of cattle and white-tailed deer in a temperate savanna  

E-Print Network [OSTI]

size, number patches, and patch fractal dimension. Travel velocity was also measured and compared to vegetation association attributes. Travel velocity was significantly different between seasons for white-tailed deer however cattle and deer comparisons...

Depew, Jarrod Jason

2005-11-01T23:59:59.000Z

462

Spiral Disk Instability Can Drive Thermonuclear Explosions in Binary White Dwarf Mergers  

E-Print Network [OSTI]

Thermonuclear, or Type Ia supernovae (SNe Ia), originate from the explosion of carbon-oxygen white dwarfs, and serve as standardizable cosmological candles. However, despite their importance, the nature of the progenitor systems which give rise to SNe Ia has not been hitherto elucidated. Observational evidence favors the double-degenerate channel, in which merging white dwarf binaries lead to SNe Ia. Furthermore, significant discrepancies exist between observations and theory, and to date, there has been no self-consistent merger model which yields a SNe Ia. Here we show that a spiral mode instability in the accretion disk formed during a binary white dwarf merger leads to a detonation on a dynamical timescale. This mechanism sheds light on how white dwarf mergers may frequently yield SNe Ia.

Kashyap, Rahul; García-Berro, Enrique; Aznar-Siguán, Gabriela; Ji, Suoqing; Lorén-Aguilar, Pablo

2015-01-01T23:59:59.000Z

463

Analysis of the Black-capped Vireo and White-eyed Vireo Nest Predator assemblages  

E-Print Network [OSTI]

Predation is the leading cause of nest failure in songbirds. My study identified nest predators of black-capped vireos and white-eyed vireos, quantified the activity of potential predator species, examined the relationships between vegetation...

Conkling, Tara J.

2011-08-08T23:59:59.000Z

464

The polluted atmospheres of cool white dwarfs and the magnetic field connection  

E-Print Network [OSTI]

We present an analysis of X-Shooter spectra of the polluted hydrogen-rich white dwarfs (DAZ) NLTT 888 and NLTT 53908. The spectra of NLTT 53908 show strong, Zeeman-split calcium lines (CaII H&K and Ca I $\\lambda 4226$) and the star appears to be a close relative of the polluted magnetic white dwarf (DAZH) NLTT 10480, while the spectra of NLTT 888 show narrow lines of calcium and iron. A comparison of the DAZ NLTT 888 and the DAZH NLTT 53908 with other class members illustrates the diversity of environment and formation circumstances surrounding these objects. In particular, we find that the incidence of magnetism in old, polluted white dwarfs significantly exceeds that found in the general white dwarf population which suggests an hypothetical link between a crowded planetary system and magnetic field generation.

Kawka, A

2014-01-01T23:59:59.000Z

465

Diffusion imaging of cerebral white matter in persons who stutter: evidence for network-level anomalies  

E-Print Network [OSTI]

Deficits in brain white matter have been a main focus of recent neuroimaging studies on stuttering. However, no prior study has examined brain connectivity on the global level of the cerebral cortex in persons who stutter ...

Cai, Shanqing

466

A Tidally-Disrupted Asteroid Around the White Dwarf G29-38  

E-Print Network [OSTI]

The infrared excess around the white dwarf G29-38 can be explained by emission from an opaque flat ring of dust with an inner radius 0.14 of the radius of the Sun and an outer radius approximately equal to the Sun's. This ring lies within the Roche region of the white dwarf where an asteroid could have been tidally destroyed, producing a system reminiscent of Saturn's rings. Accretion onto the white dwarf from this circumstellar dust can explain the observed calcium abundance in the atmosphere of G29-38. Either as a bombardment by a series of asteroids or because of one large disruption, the total amount of matter accreted onto the white dwarf may have been comparable to the total mass of asteroids in the Solar System, or, equivalently, about 1% of the mass in the asteroid belt around the main sequence star zeta Lep.

M. Jura

2003-01-21T23:59:59.000Z

467

Found: The missing blue opacity in atmosphere models of cool hydrogen white dwarfs  

E-Print Network [OSTI]

We investigate the importance of the far red wing of the Lyman $ \\alpha$ line of hydrogen in the atmospheres of cool white dwarfs of pure hydrogen composition. We find that this absorption process dominates all important sources of opacity in the blue part of the optical spectrum of these stars. Our successful fits to the spectra of cool DA/DC white dwarfs indicate that the far red wing of the $\\rm Ly \\alpha$ line is the source of opacity that had been missing in the models. The observed sequence of cool white dwarfs in color-color diagrams is very well reproduced by our new pure hydrogen atmosphere models, suggesting that the atmospheric composition of the coolest DC white dwarfs must be revisited.

P. M. Kowalski; D. Saumon

2006-09-26T23:59:59.000Z

468

INAA and distribution patterns of Classic Mimbres Black-on-white vessels during the Classic period  

E-Print Network [OSTI]

Distribution patterns of Classic Mimbres Black-on-white (Style III) bowls and jars were determined by instrumental neutron activation analysis (INAA) to identify vessel movement between geographically defined regions and between villages within...

Dahlin, Eleanor Sherlock

2003-01-01T23:59:59.000Z

469

Pollution of single white dwarfs by accretion of many small asteroids  

E-Print Network [OSTI]

Extrapolating from the solar system's asteroid belt, we propose that externally-contaminated white dwarfs without an infrared excess may be experiencing continuous accretion of gas-phase material that ultimately is derived from the tidal destruction of multiple small asteroids. If this scenario is correct, then observations of metal-polluted white dwarfs may lead to determining the bulk elemental compositions of ensembles of extrasolar minor planets.

M. Jura

2008-02-27T23:59:59.000Z

470

A comparison of selected quality and compositional characteristics of brown and white shell eggs  

E-Print Network [OSTI]

for the degree of MASTER OF SCIENCE December 1982 Major Subject: Food Science and Tecnnology A COMPARISON OF SELECTED QUALITI AND COMPOSITIONAL CHARACTERISITICS OF HROWN AND WHITE SHELL EGGS A Thesis by PATRICIA ANN CURTIS Approved as to style... and cortent by: (Chairman of Committee) (Department ead) (Member) -'(, ( ember) ip (Member) December 1982 ABSTRACT A Comparison of Selected Quality and Compositional Characteristics of Brown and White Shell Eggs (December 1982) Patricia Ann Curtis...

Curtis, Patricia Ann

1982-01-01T23:59:59.000Z

471

Race Appropriate Sports: Is Golf Considered More Appropriate for Whites Compared to Racial Minorities?  

E-Print Network [OSTI]

RACE APPROPRIATE SPORTS: IS GOLF CONSIDERED MORE APPROPRIATE FOR WHITES COMPARED TO RACIAL MINORITIES? A Thesis by ANTHONY C. ROSSELLI Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment... of the requirements for the degree of MASTER OF SCIENCE August 2011 Major Subject: Sports Management RACE APPROPRIATE SPORTS: IS GOLF CONSIDERED MORE APPROPRIATE FOR WHITES COMPARED TO RACIAL MINORITIES? A Thesis by ANTHONY C. ROSSELLI...

Rosselli, Anthony C.

2012-10-19T23:59:59.000Z

472

Effect of gamma radiation on selected functional and physical properties of liquid egg white  

E-Print Network [OSTI]

had larger air cells with thicker cell walls. The cakes were also tougher and had more resistance to compression. CHAPTER I II EFFECT OF GAMMA RADIATION ON SELECTED PHYSICAL PROPERTIES OF LIqUID EGG WHITE Intr oduct ion As indi. cated in Chapter... EFFECT OF GAMMA RADIATION ON SELECTED FUNCTIONAL AND PHYSICAL PROPERTIES OF LIQUID EGG WHITE A Thesis By Hershell Ray Ball, Jr. Approved as to style and content by) (Chairman of Committee) ead of Department) (Me mba (Member) ( ber) ~Ja...

Ball, Hershell Ray

1966-01-01T23:59:59.000Z

473

Material system for tailorable white light emission and method for making thereof  

DOE Patents [OSTI]

A method of processing a composite material to tailor white light emission of the resulting composite during excitation. The composite material is irradiated with a predetermined power and for a predetermined time period to reduce the size of a plurality of nanocrystals and the number of a plurality of traps in the composite material. By this irradiation process, blue light contribution from the nanocrystals to the white light emission is intensified and red and green light contributions from the traps are decreased.

Smith, Christine A.; Lee, Howard W.

2004-08-10T23:59:59.000Z

474

Nutritional Contribution of Phytoplankton to the Pacific White Shrimp Litopenaeus vannamei  

E-Print Network [OSTI]

NUTRITIONAL CONTRIBUTION OF PHYTOPLANKTON TO THE PACIFIC WHITE SHRIMP LITOPENAEUS VANNAMEI A Dissertation by DAGOBERTO RAUL SANCHEZ CORRALES Submitted to the Office of Graduate Studies of Texas A&M University in partial... 2012 Dagoberto Raul Sanchez Corrales NUTRITIONAL CONTRIBUTION OF PHYTOPLANKTON TO THE PACIFIC WHITE SHRIMP LITOPENAEUS VANNAMEI A Dissertation by DAGOBERTO RAUL SANCHEZ CORRALES Submitted to the Office of Graduate Studies of Texas A...

Sanchez Corrales, Dagoberto Raul

2012-07-16T23:59:59.000Z

475

The influence of dikegulac sodium on growth of Syngonium podophyllum 'White Butterfly'  

E-Print Network [OSTI]

for the degree of MASTER OF SCIENCE December 1991 Major Subject: Floriculture THE INFLUENCE OF DIKEGULAC SODIUM ON GROWTH OF SYNGONIUM PODOPHYLLUM 'WHITE BUTTERFLY' A Thesis by WILLIAM MICHAEL WOMACK Approved as to style and content by: f~ J~ Yin... and concentrations of dikegulac Shoot dry weight of Syngonium podophyJ1um 'White Butterfly' treated with various application methods and concentrations of dikegulac, Plant height, shoot length, internode length, leaf number, and average petiole length...

Womack, William Michael

1991-01-01T23:59:59.000Z

476

Material system for tailorable white light emission and method for making thereof  

DOE Patents [OSTI]

A method of processing a composite material to tailor white light emission of the resulting composite during excitation. The composite material is irradiated with a predetermined power and for a predetermined time period to reduce the size of a plurality of nanocrystals and the number of a plurality of traps in the composite material. By this irradiation process, blue light contribution from the nanocrystals to the white light emission is intensified and red and green light contributions from the traps are decreased.

Smith, Christine A. (Livermore, CA); Lee, Howard W. H. (Fremont, CA)

2009-05-19T23:59:59.000Z

477

Development and initial assessment of Texas Cooperative Extension's white-tailed dear management module  

E-Print Network [OSTI]

DEVELOPMENT AND INITIAL ASSESSMENT OF TEXAS COOPERATIVE EXTENSION?S WHITE-TAILED DEER MANAGEMENT MODULE A Thesis by MARK ANDREW BEDGOOD Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment... of the requirements for the degree of MASTER OF SCIENCE December 2004 Major Subject: Agricultural Education DEVELOPMENT AND INITIAL ASSESSMENT OF TEXAS COOPERATIVE EXTENSION?S WHITE-TAILED DEER MANAGEMENT MODULE A Thesis by MARK ANDREW...

Bedgood, Mark Andrew

2005-02-17T23:59:59.000Z

478

THE HABITABILITY AND DETECTION OF EARTH-LIKE PLANETS ORBITING COOL WHITE DWARFS  

SciTech Connect (OSTI)

Since there are several ways planets can survive the giant phase of the host star, we examine the habitability and detection of planets orbiting white dwarfs. As a white dwarf cools from 6000 K to 4000 K, a planet orbiting at 0.01 AU would remain in the continuous habitable zone (CHZ) for {approx}8 Gyr. We show that photosynthetic processes can be sustained on such planets. The DNA-weighted UV radiation dose for an Earth-like planet in the CHZ is less than the maxima encountered on Earth, and hence non-magnetic white dwarfs are compatible with the persistence of complex life. Polarization due to a terrestrial planet in the CHZ of a cool white dwarf (CWD) is 10{sup 2} (10{sup 4}) times larger than it would be in the habitable zone of a typical M-dwarf (Sun-like star). Polarimetry is thus a viable way to detect close-in rocky planets around white dwarfs. Multi-band polarimetry would also allow us to reveal the presence of a planet atmosphere, providing a first characterization. Planets in the CHZ of a 0.6 M{sub Sun} white dwarf will be distorted by Roche geometry, and a Kepler-11d analog would overfill its Roche lobe. With current facilities a super-Earth-sized atmosphereless planet is detectable with polarimetry around the brightest known CWD. Planned future facilities render smaller planets detectable, in particular by increasing the instrumental sensitivity in the blue.

Fossati, L.; Haswell, C. A.; Patel, M. R.; Busuttil, R. [Department of Physical Sciences, Open University, Walton Hall, Milton Keynes MK7 6AA (United Kingdom); Bagnulo, S. [Armagh Observatory, College Hill, Armagh BT61 9DG (United Kingdom); Kowalski, P. M. [GFZ German Research Centre for Geosciences, Telegrafenberg, D-14473 Potsdam (Germany); Shulyak, D. V. [Institute of Astrophysics, Georg-August-University, Friedrich-Hund-Platz 1, D-37077 Goettingen (Germany); Sterzik, M. F., E-mail: l.fossati@open.ac.uk, E-mail: C.A.Haswell@open.ac.uk, E-mail: M.R.Patel@open.ac.uk, E-mail: r.busuttil@open.ac.uk, E-mail: sba@arm.ac.uk, E-mail: kowalski@gfz-potsdam.de, E-mail: denis.shulyak@gmail.com, E-mail: msterzik@eso.org [European Southern Observatory, Casilla 19001, Santiago 19 (Chile)

2012-09-20T23:59:59.000Z

479

Testing White Dwarf Crystallization Theory with Asteroseismology of the Massive Pulsating DA Star BPM 37093  

E-Print Network [OSTI]

It was predicted more than 40 years ago that the cores of the coolest white dwarf stars should eventually crystallize. This effect is one of the largest sources of uncertainty in white dwarf cooling models, which are now routinely used to estimate the ages of stellar populations in both the Galactic disk and the halo. We are attempting to minimize this source of uncertainty by calibrating the models, using observations of pulsating white dwarfs. In a typical mass white dwarf model, crystallization does not begin until the surface temperature reaches 6000-8000 K. In more massive white dwarf models the effect begins at higher surface temperatures, where pulsations are observed in the ZZ Ceti (DAV) stars. We use the observed pulsation periods of BPM 37093, the most massive DAV white dwarf presently known, to probe the interior and determine the size of the crystallized core empirically. Our initial exploration of the models strongly suggests the presence of a solid core containing about 90% of the stellar mass, which is consistent with our theoretical expectations.

T. S. Metcalfe; M. H. Montgomery; A. Kanaan

2004-02-02T23:59:59.000Z

480

White phosphorus pits focused feasibility study final July 2007.  

SciTech Connect (OSTI)

The White Phosphorus Burning Pits (WPP) Area of Concern (AOC) is a site of about 5.5 acres (2.2 ha) located in the J-Field Study Area, in the Edgewood Area of Aberdeen Proving Ground (APG), Maryland (Figure 1.1). Considerable information about the WPP exists as a result of efforts to characterize the hazards associated with J-Field. Contamination in the J-Field Study Area was first detected during an environmental survey of the APG Edgewood Area conducted in 1977 and 1978 (Nemeth et al. 1983) by the U.S. Army Toxic and Hazardous Materials Agency (USATHAMA; predecessor to the U.S. Army Environmental Center). As part of a subsequent USATHAMA environmental survey, 11 wells were installed and sampled at J-Field (three of them at the WPP) (Nemeth 1989). Contamination was also detected in 1983 during a munitions disposal survey conducted by Princeton Aqua Science (1984). The Princeton Aqua Science investigation involved installing and sampling nine wells (four at the WPP) and collecting and analyzing surficial and deep composite soil samples (including samples from the WPP area). In 1986, the U.S. Environmental Protection Agency (EPA) issued a Resource Conservation and Recovery Act (RCRA) Permit (MD3-21-002-1355) requiring a post-wide RCRA Facility Assessment (RFA) and a hydrogeologic assessment of J-Field. In 1987, the U.S. Geological Survey (USGS) began a two-phase hydrogeologic assessment in which data were collected to model groundwater flow at J-Field. Soil-gas investigations were conducted, several well clusters were installed (four at the WPP), a groundwater flow model was developed, and groundwater and surface water monitoring programs were established that continue today. The results of the USGS study were published by Hughes (1993).

Davis, B.; Martino, L.

2007-08-21T23:59:59.000Z

Note: This page contains sample records for the topic "white pelican pelecanus" 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

Simulation of contaminated sediment transport in White Oak Creek basin  

SciTech Connect (OSTI)

This paper presents a systematic approach to management of the contaminated sediments in the White Oak Creek watershed at Oak Ridge National Laboratory near Oak Ridge, Tennessee. The primary contaminant of concern is radioactive cesium-137 ({sup 137}Cs), which binds to soil and sediment particles. The key components in the approach include an intensive sampling and monitoring system for flood events; modeling of hydrological processes, sediment transport, and contaminant flux movement; and a decision framework with a detailed human health risk analysis. Emphasis is placed on modeling of watershed rainfall-runoff and contaminated sediment transport during flooding periods using the Hydrologic Simulation Program- Fortran (HSPF) model. Because a large number of parameters are required in HSPF modeling, the major effort in the modeling process is the calibration of model parameters to make simulation results and measured values agree as closely as possible. An optimization model incorporating the concepts of an expert system was developed to improve calibration results and efficiency. Over a five-year simulation period, the simulated flows match the observed values well. Simulated total amount of sediment loads at various locations during storms match with the observed values within a factor of 1.5. Simulated annual releases of {sup 137}Cs off-site locations match the data within a factor of 2 for the five-year period. The comprehensive modeling approach can provide a valuable tool for decision makers to quantitatively analyze sediment erosion, deposition, and transport; exposure risk related to radionuclides in contaminated sediment; and various management strategies.

Bao, Y.; Clapp, R.B.; Brenkert, A.L. [Oak Ridge National Lab., TN (United States); Moore, T.D. [Department of Civil and Environmental Engineering, University of Tennessee, Knoxville, TN (United States); Fontaine, T.A. [Department of Civil and Environmental Engineering, South Dakota School of Mines and Technology, Rapid City, SD (United States)

1995-12-31T23:59:59.000Z

482

ZERO IMPACT PARAMETER WHITE DWARF COLLISIONS IN FLASH  

SciTech Connect (OSTI)

We systematically explore zero impact parameter collisions of white dwarfs (WDs) with the Eulerian adaptive grid code FLASH for 0.64 + 0.64 M {sub Sun} and 0.81 + 0.81 M {sub Sun} mass pairings. Our models span a range of effective linear spatial resolutions from 5.2 Multiplication-Sign 10{sup 7} to 1.2 Multiplication-Sign 10{sup 7} cm. However, even the highest resolution models do not quite achieve strict numerical convergence, due to the challenge of properly resolving small-scale burning and energy transport. The lack of strict numerical convergence from these idealized configurations suggests that quantitative predictions of the ejected elemental abundances that are generated by binary WD collision and merger simulations should be viewed with caution. Nevertheless, the convergence trends do allow some patterns to be discerned. We find that the 0.64 + 0.64 M {sub Sun} head-on collision model produces 0.32 M {sub Sun} of {sup 56}Ni and 0.38 M {sub Sun} of {sup 28}Si, while the 0.81 + 0.81 M {sub Sun} head-on collision model produces 0.39 M {sub Sun} of {sup 56}Ni and 0.55 M {sub Sun} of {sup 28}Si at the highest spatial resolutions. Both mass pairings produce {approx}0.2 M {sub Sun} of unburned {sup 12}C+{sup 16}O. We also find the 0.64 + 0.64 M {sub Sun} head-on collision begins carbon burning in the central region of the stalled shock between the two WDs, while the more energetic 0.81 + 0.81 M {sub Sun} head-on collision raises the initial post-shock temperature enough to burn the entire stalled shock region to nuclear statistical equilibrium.

Hawley, W. P.; Athanassiadou, T.; Timmes, F. X., E-mail: Wendy.Hawley@asu.edu [School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287 (United States)

2012-11-01T23:59:59.000Z

483

Radionuclide Inventory Distribution Project Data Evaluation and Verification White Paper  

SciTech Connect (OSTI)

Testing of nuclear explosives caused widespread contamination of surface soils on the Nevada Test Site (NTS). Atmospheric tests produced the majority of this contamination. The Radionuclide Inventory and Distribution Program (RIDP) was developed to determine distribution and total inventory of radionuclides in surface soils at the NTS to evaluate areas that may present long-term health hazards. The RIDP achieved this objective with aerial radiological surveys, soil sample results, and in situ gamma spectroscopy. This white paper presents the justification to support the use of RIDP data as a guide for future evaluation and to support closure of Soils Sub-Project sites under the purview of the Federal Facility Agreement and Consent Order. Use of the RIDP data as part of the Data Quality Objective process is expected to provide considerable cost savings and accelerate site closures. The following steps were completed: - Summarize the RIDP data set and evaluate the quality of the data. - Determine the current uses of the RIDP data and cautions associated with its use. - Provide recommendations for enhancing data use through field verification or other methods. The data quality is sufficient to utilize RIDP data during the planning process for site investigation and closure. Project planning activities may include estimating 25-millirem per industrial access year dose rate boundaries, optimizing characterization efforts, projecting final end states, and planning remedial actions. In addition, RIDP data may be used to identify specific radionuclide distributions, and augment other non-radionuclide dose rate data. Finally, the RIDP data can be used to estimate internal and external dose rates. The data quality is sufficient to utilize RIDP data during the planning process for site investigation and closure. Project planning activities may include estimating 25-millirem per industrial access year dose rate boundaries, optimizing characterization efforts, projecting final end states, and planning remedial actions. In addition, RIDP data may be used to identify specific radionuclide distributions, and augment other non-radionuclide dose rate data. Finally, the RIDP data can be used to estimate internal and external dose rates.

NSTec Environmental Restoration

2010-05-17T23:59:59.000Z

484

TOWARD A SPECTROSCOPIC CENSUS OF WHITE DWARFS WITHIN 40 pc OF THE SUN  

SciTech Connect (OSTI)

We present the preliminary results of a survey aimed at significantly increasing the range and completeness of the local census of spectroscopically confirmed white dwarfs. The current census of nearby white dwarfs is reasonably complete only to about 20 pc of the Sun, a volume that includes around 130 white dwarfs, a sample too small for detailed statistical analyses. This census is largely based on follow-up investigations of stars with very large proper motions. We describe here the basis of a method that will lead to a catalog of white dwarfs within 40 pc of the Sun and north of the celestial equator, thus increasing by a factor of eight the extent of the northern sky census. White dwarf candidates are identified from the SUPERBLINK proper motion database, allowing us to investigate stars down to a proper motion limit {mu} > 40 mas yr{sup -1}, while minimizing the kinematic bias for nearby objects. The selection criteria and distance estimates are based on a combination of color-magnitude and reduced proper motion diagrams. Our follow-up spectroscopic observation campaign has so far uncovered 193 new white dwarfs, among which we identify 127 DA (including 9 DA+dM and 4 magnetic), 1 DB, 56 DC, 3 DQ, and 6 DZ stars. We perform a spectroscopic analysis on a subsample of 84 DAs, and provide their atmospheric parameters. In particular, we identify 11 new white dwarfs with spectroscopic distances within 25 pc of the Sun, including five candidates to the D < 20 pc subset.

Limoges, M.-M.; Bergeron, P. [Departement de Physique, Universite de Montreal, C.P. 6128, Succ. Centre-Ville, Montreal, Quebec H3C 3J7 (Canada); Lepine, S., E-mail: limoges@astro.umontreal.ca, E-mail: bergeron@astro.umontreal.ca, E-mail: lepine@amnh.org [Department of Astrophysics, Division of Physical Sciences, American Museum of Natural History, Central Park West at 79th Street, New York, NY 1002 (United States)

2013-05-15T23:59:59.000Z

485

White dwarf evolutionary sequences for low-metallicity progenitors: The impact of third dredge-up  

E-Print Network [OSTI]

We present new white dwarf evolutionary sequences for low-metallicity progenitors. White dwarf sequences have been derived from full evolutionary calculations that take into account the entire history of progenitor stars, including the thermally-pulsing and the post-asymptotic giant branch phases. We show that for progenitor metallicities in the range 0.00003--0.001, and in the absence of carbon enrichment due to the occurrence of a third dredge-up episode, the resulting H envelope of the low-mass white dwarfs is thick enough to make stable H burning the most important energy source even at low luminosities. This has a significant impact on white dwarf cooling times. This result is independent of the adopted mass-loss rate during the thermally-pulsing and post-AGB phases, and the planetary nebulae stage. We conclude that in the absence of third dredge-up episodes, a significant part of the evolution of low-mass white dwarfs resulting from low-metallicity progenitors is dominated by stable H burning. Our study...

Althaus, Leandro G; Bertolami, Marcelo M Miller; Córsico, Alejandro H; García-Berro, Enrique

2015-01-01T23:59:59.000Z

486

SPITZER OBSERVATIONS OF THE OLDEST WHITE DWARFS IN THE SOLAR NEIGHBORHOOD  

SciTech Connect (OSTI)

We present Spitzer 5-15 {mu}m spectroscopy of one cool white dwarf and 3.6-8 {mu}m photometry of 51 cool white dwarfs with T {sub eff} < 6000 K. The majority of our targets have accurate BVRIJHK photometry and trigonometric parallax measurements available, which enables us to perform a detailed model atmosphere analysis using their optical, near- and mid-infrared photometry with state-of-the-art model atmospheres. We demonstrate that the optical and infrared spectral energy distributions of cool white dwarfs are well reproduced by our grid of models. Our best-fit models are consistent with the observations within 5% in all filters except the IRAC 8 {mu}m band, which has the lowest signal-to-noise ratio photometry. Excluding the ultracool white dwarfs, none of the stars in our sample show significant mid-infrared flux deficits or excesses. The nondetection of mid-infrared excess flux around our {approx}2-9 Gyr old targets constrain the fraction of cool white dwarfs with warm debris disks to 0.8{sup +1.5} {sub -0.8} %.

Kilic, Mukremin [Smithsonian Astrophysical Observatory, 60 Garden Street, Cambridge, MA 02138 (United States); Kowalski, Piotr M. [Lehrstuhl fuer Theoretische Chemie, Ruhr-Universitaet Bochum, 44780 Bochum (Germany); Reach, William T. [Spitzer Science Center, California Institute of Technology, Pasadena, CA 91125 (United States); Von Hippel, Ted [Physics Department, Siena College, 515 Loudon Road, Loudonville, NY 12211 (United States)], E-mail: mkilic@cfa.harvard.edu

2009-05-10T23:59:59.000Z

487

Synthesis and optical properties of cadmium selenide quantum dots for white light-emitting diode application  

SciTech Connect (OSTI)

Highlights: ? Stable CdSe QDs were synthesized by the one-step and two-level process respectively. ? The fabricated white LEDs show good white balance. ? CdSe QDs present well green to yellow band luminescence. ? CdSe QDs displayed a broad excitation band. - Abstract: Yellow light-emitting cadmium selenide quantum dots were synthesized using one-step and two-step methods in an aqueous medium. The structural luminescent properties of these quantum dots were investigated. The obtained cadmium selenide quantum dots displayed a broad excitation band suitable for blue or near-ultraviolet light-emitting diode applications. White light-emitting diodes were fabricated by coating the cadmium selenide samples onto a 460 nm-emitting indium gallium nitrite chip. Both samples exhibited good white balance. Under a 20 mA working current, the white light-emitting diode fabricated via the one-step and two-step methods showed Commission Internationale de l’Éclairage coordinates at (0.27, 0.23) and (0.27, 0.33), respectively, and a color rendering index equal to 41 and 37, respectively. The one-step approach was simpler, greener, and more effective than the two-step approach. The one-step approach can be enhanced by combining cadmium selenide quantum dots with proper phosphors.

Xu, Xianmei; Wang, Yilin; Gule, Teri; Luo, Qiang [School of Chemistry and Chemical Engineering, Guangxi University, Nanning 53000 (China); Zhou, Liya, E-mail: zhouliyatf@163.com [School of Chemistry and Chemical Engineering, Guangxi University, Nanning 53000 (China); Gong, Fuzhong [School of Chemistry and Chemical Engineering, Guangxi University, Nanning 53000 (China)

2013-03-15T23:59:59.000Z

488

RADIATIVE COOLING TEST FACILITY AND PERFORMANCE EVALUATION OF 4 MIL ALUMINIZED POLYVINYL FLUORIDE AND WHITE PAINT SURFACES  

E-Print Network [OSTI]

as temperature, heater power, wind direction, etc. , thatcondensation) RCA 1026 (wind) c:: "7 = (power to heater) w (wind and windscreen condensation (white paint radiator). VARIOUS TEMPERATURES VS POWER

Kruskopf, Mark S.

2014-01-01T23:59:59.000Z

489

White light emitting diode as liquid crystal display backlight ; High brightness light emitting diode as liquid crystal display backlight .  

E-Print Network [OSTI]

??The discovery of high brightness (white) light emitting diode (LED) is considered as a real threat to the current lighting industry in various applications. One… (more)

Soon, Chian Myau

2007-01-01T23:59:59.000Z

490

NREL Activities to Open Capital Market Investment and Bank Lending for Solar Deployment: Presentation to the White House (Presentation)  

SciTech Connect (OSTI)

Briefing for White House personnel and members of various agencies (HUD, USDA, etc.) on SAPC process and see what efficiencies can be brought to Federal contracting process.

Mendelsohn, M.; Joshi, J.

2014-09-01T23:59:59.000Z

491

Development of Advanced Manufacturing Methods for Warm White LEDs for General Lighting  

SciTech Connect (OSTI)

GE Lighting Solutions will develop precise and efficient manufacturing techniques for the “remote phosphor” platform of warm-white LED products. In volume, this will be demonstrated to drive significant materials, labor and capital productivity to achieve a maximum possible 53% reduction in overall cost. In addition, the typical total color variation for these white LEDs in production will be well within the ANSI bins and as low as a 4-step MacAdam ellipse centered on the black body curve. Achievement of both of these objectives will be demonstrated while meeting a performance target of > 75 lm/W for a warm-white LED and a reliability target of <30% lumen drop / <2-step MacAdam ellipse shift, estimated over 50,000 hrs.

Deshpande, Anirudha; Kolodin, Boris; Jacob, Cherian; Chowdhury, Ashfaqul; Kuenzler, Glenn; Sater, Karen; Aesram, Danny; Glaettli, Steven; Gallagher, Brian; Langer, Paul; Setlur, Anant; Beers, Bill

2012-03-31T23:59:59.000Z

492

Analysis of DA White Dwarfs from the McCook & Sion Catalog  

E-Print Network [OSTI]

The Sloan Digital Sky Survey has already doubled the number of spectroscopically identified white dwarfs. However, there remains a wealth of white dwarfs in the McCook & Sion catalog for which little or nothing is known. We have thus undertaken a spectroscopic survey of all Northern hemisphere DA white dwarfs from this catalog in order to (1) confirm the spectroscopic classification, and (2) provide measurements of Teff and log g for each star. As part of this project, we have also secured spectroscopic data for all DA stars with high-speed photometric measurements available, in order to study the purity of the ZZ Ceti instability strip, which has recently been challenged, once again.

A. Gianninas; P. Bergeron; P. Dufour

2005-03-04T23:59:59.000Z

493

Density functional theory for hard-sphere mixtures: the White-Bear version Mark II  

E-Print Network [OSTI]

In the spirit of the White-Bear version of fundamental measure theory we derive a new density functional for hard-sphere mixtures which is based on a recent mixture extension of the Carnahan-Starling equation of state. In addition to the capability to predict inhomogeneous density distributions very accurately, like the original White-Bear version, the new functional improves upon consistency with an exact scaled-particle theory relation in the case of the pure fluid. We examine consistency in detail within the context of morphological thermodynamics. Interestingly, for the pure fluid the degree of consistency of the new version is not only higher than for the original White-Bear version but also higher than for Rosenfeld's original fundamental measure theory.

Hendrik Hansen-Goos; Roland Roth

2006-07-27T23:59:59.000Z

494

The role of HeH+ in cool helium rich white dwarfs  

E-Print Network [OSTI]

HeH$^+$ is found to be the dominant positive ion over a wide range of temperatures and densities relevant to helium rich white dwarfs. The inclusion of HeH$^+$ in ionization equilibrium computations increases the abundance of free electrons by a significant factor. For temperatures below 8000 K, He$^-$ free-free absorption is increased by up to a factor of 5, by the inclusion of HeH$^+$. Illustrative model atmospheres and spectral energy distributions are computed, which show that HeH$^+$ has a strong effect upon the density and pressure structure of helium rich white dwarfs with teff < 8000 K. The inclusion of HeH$^+$ significantly reddens spectral energy distributions and broad band color indices for models with Teff < 5500 K. This has serious implications for existing model atmospheres, synthetic spectra and cooling curves for helium rich white dwarfs.

G. J. Harris; A. E. Lynas-Gray; S. Miller; J. Tennyson

2004-11-12T23:59:59.000Z

495

Feasibility of white-rot fungi for biodegradation of PCP-treated ammunition boxes. Final report  

SciTech Connect (OSTI)

Millions of pounds of wood ammunition boxes treated with the wood preservative pentachiorophenol (PCP) are being stockpiled at military installations, primarily depots, because cost-effective disposal is not readily available. The Army needs cost-effective and environmentally benign treatment methods for destruction and disposal of PCP-treated wood products. This research investigated the use of white-rot fungi to biodegrade PCP-treated wood. Results showed that white-rot fungi effectively decreased the PCP concentration in contaminated hardwood and softwood chips. Under ideal laboratory conditions the fungi reduced the PCP concentration by 80 percent; a field study showed only a 30 percent decrease in PCP concentration. Despite this disparity, this study demonstrated the feasibility of using white-rot fungi to reduce PCP in treated wood.

Scholze, R.J.; Lamar, R.T.; Bolduc, J.; Dietrich, D.

1995-01-01T23:59:59.000Z

496

The Initiation and Propagation of Helium Detonations in White Dwarf Envelopes  

E-Print Network [OSTI]

Detonations in helium-rich envelopes surrounding white dwarfs have garnered attention as triggers of faint thermonuclear ".Ia" supernovae and double detonation Type Ia supernovae. However, recent studies have found that the minimum size of a hotspot that can lead to a helium detonation is comparable to, or even larger than, the white dwarf's pressure scale height, casting doubt on the successful ignition of helium detonations in these systems. In this paper, we examine the previously neglected effects of C/O pollution and a full nuclear reaction network, and we consider hotspots with spatially constant pressure in addition to constant density hotspots. We find that the inclusion of these effects significantly decreases the minimum hotspot size for helium-rich detonation ignition, making detonations far more plausible during turbulent shell convection or during double white dwarf mergers. The increase in burning rate also decreases the minimum shell mass in which a helium detonation can successfully propagate ...

Shen, Ken J

2014-01-01T23:59:59.000Z

497

Zeeman tomography of magnetic white dwarfs, I. Reconstruction of the field geometry from synthetic spectra  

E-Print Network [OSTI]

We have computed optical Zeeman spectra of magnetic white dwarfs for field strengths between 10 and 200MG and effective temperatures between 8000 and 40000K. They form a database containing 20628 sets of flux and circular polarization spectra. A least-squares optimization code based on an evolutionary strategy can recover relatively complex magnetic field topologies from phase-resolved synthetic Zeeman spectra of rotating magnetic white dwarfs. We consider dipole and quadrupole components which are non-aligned and shifted off-centre. The model geometries include stars with a single high-field spot and with two spots separated by approx. 90 degrees. The accuracy of the recovered field structure increases with the signal-to-noise ratio of the input spectra and is significantly improved if circular polarization spectra are included in addition to flux spectra. We discuss the strategies proposed so far to unravel the field geometries of magnetic white dwarfs.

F. Euchner; S. Jordan; K. Beuermann; B. T. Gaensicke; F. V. Hessmann

2002-05-21T23:59:59.000Z

498

Excess Infrared Radiation from a Massive DAZ White Dwarf: GD362 - a Debris Disk?  

E-Print Network [OSTI]

We report the discovery of excess K-band radiation from a massive DAZ white dwarf star, GD362. Combining infrared photometric and spectroscopic observations, we show that the excess radiation cannot be explained by a stellar or substellar companion, and is likely to be caused by a debris disk. This would be only the second such system known, discovered 18 years after G29-38, the only single white dwarf currently known to be orbited by circumstellar dust. Both of these systems favor a model with accretion from a surrounding debris disk to explain the metal abundances observed in DAZ white dwarfs. Nevertheless, observations of more DAZs in the mid-infrared are required to test if this model can explain all DAZs.

Mukremin Kilic; Ted von Hippel; S. K. Leggett; D. E. Winget

2005-09-07T23:59:59.000Z

499

Systematic relativistic quantum effects on screening of fusion rates in white dwarfs  

E-Print Network [OSTI]

Relativistic electron degeneracy effects are dominant in ultra-dense plasmas (UDP), such as those found in white dwarfs. These effects can be treated systematically by obtaining an expansion of the screening length in inverse powers of $\\hbar^{2}$. In general, our theory leads to an ${\\cal O}(10)$ effect on the enhancement of fusion rates in white dwarfs. Further, it is shown analytically for these stellar conditions that Bose statistics of nuclei have a negligible effect on the screening length, in consonance with Monte Carlo simulations found in literature.

Shirish M. Chitanvis

2006-11-21T23:59:59.000Z

500

Systematic quantum effects on screening of fusion rates in white dwarfs  

E-Print Network [OSTI]

Electron degeneracy effects are dominant in ultra-dense plasmas (UDP), such as those found in white dwarfs. These effects can be treated systematically by obtaining an expansion of the screening length in inverse powers of $\\hbar^{2}$. The theory exhibits Thomas-Fermi-like screening in an appropriate regime. In general, our theory leads to an ${\\cal O}(1)$ effect on the enhancement of fusion rates in white dwarfs. Further, it is shown analytically for these stellar conditions that Bose statistics of nuclei have a negligible effect on the screening length, in consonance with Monte Carlo simulations found in literature.

Shirish M. Chitanvis

2006-10-19T23:59:59.000Z