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Note: This page contains sample records for the topic "logan sholar signature" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
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We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


1

Fractal Coagulation Bruce E. Logan  

E-Print Network [OSTI]

Fractal Coagulation Kinetics Bruce E. Logan Department of Civil & Environmental Engineering paradigm shift is needed to explain the formation of marine snow? #12;Birth of Fractal Geometry ·In 1982, Benoit Mandelbrot publishes "Fractal Geometry" and fractal mathematics is born. ·Fractal scaling

2

OXYGEN TRANSFER IN TRICKLING FILTERS By BruceE. Logan~  

E-Print Network [OSTI]

OXYGEN TRANSFER IN TRICKLING FILTERS By BruceE. Logan~ ABSTRACT: Insufficientoxygen transfer can result in anaerobic biofilmsand odor generation during biochemicaloxygen demand (BOD) removal plastic media trickling filters occurs by diffusion of oxygen through thin fluid films, previous models

3

Improving public transportation to Boston Logan International Airport  

E-Print Network [OSTI]

Boston Logan International Airport is the largest airport in New England and the 1 9 th busiest airport in the United States, serving 29.3 million passengers (arrivals and departures) in 2012. There are approximately 36,900 ...

Cao, Siyuan, M. Eng. Massachusetts Institute of Technology

2013-01-01T23:59:59.000Z

4

Logan County, Colorado: 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: Energy Resources Jump to:46 - 429Lacey,(Monaster AndLittletown, Arizona:Lockland, Ohio: EnergyThisLogan

5

E-Print Network 3.0 - active living logan Sample Search Results  

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

University Collection: Biology and Medicine 69 ENVIRONMENTAL BIOTECHNOLOGY Brewery wastewater treatment using air-cathode Summary: Yujie Feng & Xin Wang & Bruce E. Logan & He Lee...

6

Logan County, Arkansas: 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: Energy Resources Jump to:46 - 429Lacey,(Monaster AndLittletown, Arizona:Lockland, Ohio: EnergyThisLogan County,

7

Logan County, Illinois: 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: Energy Resources Jump to:46 - 429Lacey,(Monaster AndLittletown, Arizona:Lockland, Ohio: EnergyThisLogan61338°,

8

Logan County, North Dakota: 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: Energy Resources Jump to:46 - 429Lacey,(Monaster AndLittletown, Arizona:Lockland, Ohio: It is classifiedLogan

9

Observations of W intering Snowy Owls ( Nyctea scandiaca ) at Logan Airport, East Boston, Massachusetts fr om 1981-1997  

E-Print Network [OSTI]

International Airport, Boston, MA. 591 #12;2nd Owl Symposium under snow with the noise at Logan Airport. DataObservations of W intering Snowy Owls ( Nyctea scandiaca ) at Logan Airport, East Boston in East Boston, MA, latitude 42°22N and longitude 071°01W . The 13th busiest in the world, the airport

10

Signature Crossroads  

E-Print Network [OSTI]

Signature Crossroads, an urban form that grows out of an street intersection, combines both the sense of "transit" and the sense of "destination." Such dual character gives Signature Crossroads a superiority over traditional ...

Chong, Puifai Cyril

1997-01-01T23:59:59.000Z

11

EA-1812: Haxtun Wind Energy Project, Logan and Phillips County, Colorado  

Broader source: Energy.gov [DOE]

This EA evaluates the environmental impacts of a proposal to authorize the expenditure of Federal funding through the Community Renewable Energy Deployment Program to Phillips County for design, permitting, and construction of an approximately 30-megawatt wind energy project, known as Haxtun Wind Project, within Phillips and Logan counties in northeastern Colorado. The proposed project consists of 18 wind turbines that would interconnect to the Highline Electric Cooperative equipment inside Western Area Power Administration's Haxtun substation just south of the Town of Haxtun.

12

B. Grant Logan, 1980 | U.S. DOE Office of Science (SC)  

Office of Science (SC) Website

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched5 Industrial CarbonArticlesHumanJune 2008 Basic EnergyB. Grant Logan, 1980 The Ernest

13

*Corresponding author. Tel.: +1 814 863 7908; fax: +1 814 863 7304. E-mail address: blogan@psu.edu (B.E. Logan).  

E-Print Network [OSTI]

@psu.edu (B.E. Logan). SUPPORTING INFORMATION Treatability studies on different refinery wastewater samples/HBOD for the different refinery wastewater samples, with domestic wastewater (DW) as a positive control. #12;3 0 20 40 60 removal rate and removal efficiency of the refinery and domestic wastewaters (WW), the 50:50 refinery

14

Science of Signatures Program  

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

Program Science of Signatures-Past Programs Contact Institute Director Charles Farrar (505) 663-5330 Email Professional Staff Assistant Jutta Kayser (505) 663-5649 Email...

15

MQ Signature and Proxy Signature Schemes with Exact Security Based on UOV Signature  

E-Print Network [OSTI]

MQ Signature and Proxy Signature Schemes with Exact Security Based on UOV Signature Shaohua Tang1 of the main approaches to guar- antee the security of communication in the post-quantum world. In this paper, we propose a combined MQ signature scheme based on the yet unbroken UOV (Unbalanced Oil and Vinegar

16

Measured Performance Signature Method  

E-Print Network [OSTI]

information for adaptive on-line optimum dispatch, equipment performance monitoring, or for conducting system "what if' scenarios. The MPS is a very useful technique which may be applied to Acceptance Testing Monitoring and Operations Optimization... performance signature, may be determined from on-line measurements, and corrected to a specified reference. This procedure also provides information for adaptive on-line optimum dispatch, incremental plant heat rate data for centralized system dispatch...

Ahner, D. J.

17

Signature CERN-URSS  

ScienceCinema (OSTI)

Le DG W.Jentschke souhaite la bienvenue l'assemble et aux invits pour la signature du protocole entre le Cern et l'URSS qui est un vnement important. C'est en 1955 que 55 visiteurs sovitiques ont visit le Cern pour la premire fois. Le premier DG au Cern, F.Bloch, et Mons.Amaldi sont aussi prsents. Tandis que le discours anglais de W.Jentschke est traduit en russe, le discours russe de Mons.Morozov est traduit en anglais.

None

2011-04-25T23:59:59.000Z

18

Original Signature On File  

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 the1 - September 2006 The 2002Optics Group (X-rayLSD Logo AboutSignature On File

19

Original Signatures on File  

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 the1 - September 2006 The 2002Optics Group (X-rayLSD Logo AboutSignature On

20

Original Signatures on File  

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 the1 - September 2006 The 2002Optics Group (X-rayLSD Logo AboutSignature OnOriginal

Note: This page contains sample records for the topic "logan sholar signature" 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

The Science of Signatures Program  

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

Signatures Program Application Process How to Apply Contact Institute Director Charles Farrar (505) 663-5330 Email Professional Staff Assistant Jutta Kayser (505) 663-5649 Email...

22

2014 Science of Signatures Program  

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

2014 Science of Signatures Program and Resources Contact Institute Director Charles Farrar (505) 663-5330 Email Professional Staff Assistant Jutta Kayser (505) 663-5649 Email...

23

LOOK FOR THE SIGNATURE 1 Look for the Signature: How the Infusion of Personal Signatures Affects Product Evaluations and  

E-Print Network [OSTI]

LOOK FOR THE SIGNATURE 1 Look for the Signature: How the Infusion of Personal Signatures Affects Product Evaluations and Purchase Behavior Abstract Brand managers often infuse personal signatures. The infusion of a personal signature into marketing stimuli thus influences consumption behavior by (1

Shyu, Mei-Ling

24

Contract Signature Using Quantum Information  

E-Print Network [OSTI]

This paper describes how to perform contract signature in a fair way using quantum information. The protocol proposed permits two partners, users of a communication network, to perform a contract signature based on the RSA security. The authentication of the signers is based on the use of a non-local XOR function of two classical bits.

Paulo Benicio Melo de Sousa; Rubens Viana Ramos

2007-11-08T23:59:59.000Z

25

2015 Science of Signatures Program  

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

of Signatures program will run April 13-May 1, 2015 Contact Institute Director Charles Farrar (505) 663-5330 Email Professional Staff Assistant Jutta Kayser (505) 663-5649 Email...

26

Intrusion detection using secure signatures  

DOE Patents [OSTI]

A method and device for intrusion detection using secure signatures comprising capturing network data. A search hash value, value employing at least one one-way function, is generated from the captured network data using a first hash function. The presence of a search hash value match in a secure signature table comprising search hash values and an encrypted rule is determined. After determining a search hash value match, a decryption key is generated from the captured network data using a second hash function, a hash function different form the first hash function. One or more of the encrypted rules of the secure signatures table having a hash value equal to the generated search hash value are then decrypted using the generated decryption key. The one or more decrypted secure signature rules are then processed for a match and one or more user notifications are deployed if a match is identified.

Nelson, Trent Darnel; Haile, Jedediah

2014-09-30T23:59:59.000Z

27

Graph Analytics for Signature Discovery  

SciTech Connect (OSTI)

Within large amounts of seemingly unstructured data it can be diffcult to find signatures of events. In our work we transform unstructured data into a graph representation. By doing this we expose underlying structure in the data and can take advantage of existing graph analytics capabilities, as well as develop new capabilities. Currently we focus on applications in cybersecurity and communication domains. Within cybersecurity we aim to find signatures for perpetrators using the pass-the-hash attack, and in communications we look for emails or phone calls going up or down a chain of command. In both of these areas, and in many others, the signature we look for is a path with certain temporal properties. In this paper we discuss our methodology for finding these temporal paths within large graphs.

Hogan, Emilie A.; Johnson, John R.; Halappanavar, Mahantesh; Lo, Chaomei

2013-06-01T23:59:59.000Z

28

Copyright 2007 Electronic Signatures and Records Under  

E-Print Network [OSTI]

Copyright 2007 Electronic Signatures and Records Under ESIGN, UETA and SPeRS Jeremiah S. Buckley@buckleykolar.com mtank@buckleykolar.com #12;Copyright 2003 ELECTRONIC SIGNATURES AND RECORDS Jeremiah S. Buckley Margo H.K. Tank Buckley Kolar LLP I. Overview of the Electronic Signatures in Global and National Commerce Act A

Shamos, Michael I.

29

Group Blind Digital Signatures: Theory and Applications  

E-Print Network [OSTI]

Group Blind Digital Signatures: Theory and Applications by Zul kar Amin Ramzan Submitted Committee on Graduate Students #12;Group Blind Digital Signatures: Theory and Applications by Zul kar Amin Blind Digital Signature. This construct combines the already existing notions of a Group Digital

Goldwasser, Shafi

30

Group Blind Digital Signatures: Theory and Applications  

E-Print Network [OSTI]

Group Blind Digital Signatures: Theory and Applications by Zulfikar Amin Ramzan Submitted by . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Arthur C. Smith Chairman, Departmental Committee on Graduate Students #12; Group Blind Digital Signatures cryptographic construct called a Group Blind Digital Signature. This construct combines the already existing

Goldwasser, Shafi

31

NREL: Energy Analysis - Jeffrey Logan  

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 the Contributions and Achievements of WomenEventsToolsFranciscoJay Huggins Photo of

32

Signature  

National Nuclear Security Administration (NNSA)

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) "ofEarlyEnergyDepartmentNational Nuclearhas 'Natitude'SecurityAdministration ranked third

33

Signatures at Los Alamos National Laboratory  

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

to answer fundamental questions about transient astrophysical events such as gamma-ray bursts. Los Alamos National Laboratory Science of Signatures Strategy Discover,...

34

Ecient Blind and Partially Blind Signatures Without Random Oracles  

E-Print Network [OSTI]

Ecient Blind and Partially Blind Signatures Without Random Oracles Tatsuaki Okamoto NTT eective in many applications (e.g., blind signatures, group signatures, anonymous credentials etc.) than, this paper presents ecient blind signatures and par- tially blind signatures that are secure in the standard

35

Efficient Blind and Partially Blind Signatures Without Random Oracles  

E-Print Network [OSTI]

Efficient Blind and Partially Blind Signatures Without Random Oracles Tatsuaki Okamoto NTT effective in many applications (e.g., blind signatures, group signatures, anonymous credentials etc.) than, this paper presents efficient blind signatures and par tially blind signatures that are secure

36

Kaval: Cooperative Signature Identification on Mobile  

E-Print Network [OSTI]

Kaval: Cooperative Signature Identification on Mobile Devices Kaval is an Android-based signature in near real-time to multiple users. How It worKS Technological advances have made mobile devices device. Using a mobile device allows users to capture data from a team of users and process that data

37

Signature Program/Landmark Research Programs  

E-Print Network [OSTI]

Signature Program/Landmark Research Programs for the College of Veterinary Medicine and Biomedical Sciences November 20, 2008 #12;SIGNATURE PROGRAM PROPOSAL: CARDIOVASCULAR SCIENCES/DEBAKEY INSTITUTE in Figure 1 to identify the participants in the cardiovascular science program and the central role

38

Signatures of Correct Computation Charalampos Papamanthou  

E-Print Network [OSTI]

also show that signatures of correct computation imply Publicly Verifiable Computation (PVC), a model client can verify the signature and be convinced of some computation result, whereas in the PVC model to construct PVC schemes with adaptive security, efficient updates and without the random oracle model. 1

39

Self-adjoint extensions and Signature Change  

E-Print Network [OSTI]

We study the selfadjoint extensions of the spatial part of the D'Alembert operator in a spacetime with two changes of signature. We identify a set of boundary conditions, parametrised by U(2) matrices, which correspond to Dirichlet boundary conditions for the fields, and from which we argue against the suggestion that regions of signature change can isolate singularities.

I. L. Egusquiza

1995-03-08T23:59:59.000Z

40

DESCRIPTION OF ACCIDENT MSU DRIVERS SIGNATURE  

E-Print Network [OSTI]

DESCRIPTION OF ACCIDENT MSU DRIVERS SIGNATURE Signature 2-9-108, MCA (Statutory Coverage, in lieu-90-(4-20). CERTIFICATE OF INSURANCE X Weather Conditions: ACCIDENT INFORMATION Location: Date: - - 20 Time: : .M. Driver and Risk Management ~ 1160 Research Drive Bozeman, MT 59718 ~ (406) 994-2711 Accident Form #12;OTHER

Dyer, Bill

Note: This page contains sample records for the topic "logan sholar signature" 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

Real time gamma-ray signature identifier  

DOE Patents [OSTI]

A real time gamma-ray signature/source identification method and system using principal components analysis (PCA) for transforming and substantially reducing one or more comprehensive spectral libraries of nuclear materials types and configurations into a corresponding concise representation/signature(s) representing and indexing each individual predetermined spectrum in principal component (PC) space, wherein an unknown gamma-ray signature may be compared against the representative signature to find a match or at least characterize the unknown signature from among all the entries in the library with a single regression or simple projection into the PC space, so as to substantially reduce processing time and computing resources and enable real-time characterization and/or identification.

Rowland, Mark (Alamo, CA); Gosnell, Tom B. (Moraga, CA); Ham, Cheryl (Livermore, CA); Perkins, Dwight (Livermore, CA); Wong, James (Dublin, CA)

2012-05-15T23:59:59.000Z

42

Manager's Signature Log Privacy Impact Assessment, Office of...  

Office of Environmental Management (EM)

Manager's Signature Log Privacy Impact Assessment, Office of Science Chicago Office Manager's Signature Log Privacy Impact Assessment, Office of Science Chicago Office Manager's...

43

Testing, Training, and Signature Devices | Y-12 National Security...  

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

Testing, Training, and ... Testing, Training, and Signature Devices Y-12 manufactures specialized uranium testing, training, and signature devices to support the nuclear detection...

44

Reactor power history from fission product signatures  

E-Print Network [OSTI]

The purpose of this research was to identify fission product signatures that could be used to uniquely identify a specific spent fuel assembly in order to improve international safeguards. This capability would help prevent and deter potential...

Sweeney, David J.

2009-05-15T23:59:59.000Z

45

Forecasting Seismic Signatures of Stellar Magnetic Activity  

E-Print Network [OSTI]

For the Sun, a tight correlation between various activity measures and oscillation frequencies is well documented. For other stars, we have abundant data on magnetic activity and its changes but not yet on its seismic signature. A prediction of the activity induced frequency changes in stars based on scaling the solar relations is presented. This seismic signature of the activity should be measurable in the data expected within few years.

W. A. Dziembowski

2007-09-17T23:59:59.000Z

46

Chemical and Physical Signatures for Microbial Forensics  

SciTech Connect (OSTI)

Chemical and physical signatures for microbial forensics John Cliff and Helen Kreuzer-Martin, eds. Humana Press Chapter 1. Introduction: Review of history and statement of need. Randy Murch, Virginia Tech Chapter 2. The Microbe: Structure, morphology, and physiology of the microbe as they relate to potential signatures of growth conditions. Joany Jackman, Johns Hopkins University Chapter 3. Science for Forensics: Special considerations for the forensic arena - quality control, sample integrity, etc. Mark Wilson (retired FBI): Western Carolina University Chapter 4. Physical signatures: Light and electron microscopy, atomic force microscopy, gravimetry etc. Joseph Michael, Sandia National Laboratory Chapter 5. Lipids: FAME, PLFA, steroids, LPS, etc. James Robertson, Federal Bureau of Investigation Chapter 6. Carbohydrates: Cell wall components, cytoplasm components, methods Alvin Fox, University of South Carolina School of Medicine David Wunschel, Pacific Northwest National Laboratory Chapter 7. Peptides: Peptides, proteins, lipoproteins David Wunschel, Pacific Northwest National Laboratory Chapter 8. Elemental content: CNOHPS (treated in passing), metals, prospective cell types John Cliff, International Atomic Energy Agency Chapter 9. Isotopic signatures: Stable isotopes C,N,H,O,S, 14C dating, potential for heavy elements. Helen Kreuzer-Martin, Pacific Northwest National Laboratory Michaele Kashgarian, Lawrence Livermore National Laboratory Chapter 10. Extracellular signatures: Cellular debris, heme, agar, headspace, spent media, etc Karen Wahl, Pacific Northwest National Laboratory Chapter 11. Data Reduction and Integrated Microbial Forensics: Statistical concepts, parametric and multivariate statistics, integrating signatures Kristin Jarman, Pacific Northwest National Laboratory

Cliff, John B.; Kreuzer, Helen W.; Ehrhardt, Christopher J.; Wunschel, David S.

2012-01-03T23:59:59.000Z

47

Quantum mechanical stabilization of Minkowski signature wormholes  

SciTech Connect (OSTI)

When one attempts to construct classical wormholes in Minkowski signature Lorentzian spacetimes violations of both the weak energy hypothesis and averaged weak energy hypothesis are encountered. Since the weak energy hypothesis is experimentally known to be violated quantum mechanically, this suggests that a quantum mechanical analysis of Minkowski signature wormholes is in order. In this note I perform a minisuperspace analysis of a simple class of Minkowski signature wormholes. By solving the Wheeler-de Witt equation for pure Einstein gravity on this minisuperspace the quantum mechanical wave function of the wormhole is obtained in closed form. The wormhole is shown to be quantum mechanically stabilized with an average radius of order the Planck length. 8 refs.

Visser, M.

1989-05-19T23:59:59.000Z

48

Cryptanalysis of the arbitrated quantum signature protocols  

SciTech Connect (OSTI)

As a new model for signing quantum messages, arbitrated quantum signature (AQS) has recently received a lot of attention. In this paper we study the cryptanalysis of previous AQS protocols from the aspects of forgery and disavowal. We show that in these protocols the receiver, Bob, can realize existential forgery of the sender's signature under known message attack. Bob can even achieve universal forgery when the protocols are used to sign a classical message. Furthermore, the sender, Alice, can successfully disavow any of her signatures by simple attack. The attack strategies are described in detail and some discussions about the potential improvements of the protocols are given. Finally we also present several interesting topics on AQS protocols that can be studied in future.

Gao Fei; Qin Sujuan; Guo Fenzhuo; Wen Qiaoyan [State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876 (China)

2011-08-15T23:59:59.000Z

49

Security problem on arbitrated quantum signature schemes  

SciTech Connect (OSTI)

Many arbitrated quantum signature schemes implemented with the help of a trusted third party have been developed up to now. In order to guarantee unconditional security, most of them take advantage of the optimal quantum one-time encryption based on Pauli operators. However, in this paper we point out that the previous schemes provide security only against a total break attack and show in fact that there exists an existential forgery attack that can validly modify the transmitted pair of message and signature. In addition, we also provide a simple method to recover security against the proposed attack.

Choi, Jeong Woon [Emerging Technology R and D Center, SK Telecom, Kyunggi 463-784 (Korea, Republic of); Chang, Ku-Young; Hong, Dowon [Cryptography Research Team, Electronics and Telecommunications Research Institute, Daejeon 305-700 (Korea, Republic of)

2011-12-15T23:59:59.000Z

50

Energy Signatures: a proposed new design tool  

SciTech Connect (OSTI)

Energy Signatures is a proposed new technique for aiding a designer in selecting and sizing passive solar elements on a building. Hourly heat flux profiles for each candidate design element are determined. These profiles are then matched to the hourly energy requirement of the space accounting for weather conditions, internal heat profiles of the space, and the mass characteristics of the building. Simulation analysis techniques are used to determine the Energy Signatures, the load profiles, and check the final result. Least-squares techniques are used to determine the optimum mix of strategies. Examples are given to illustrate development of the method up to the present. Future directions and possibilities are outlined.

Balcomb, J.D.

1986-04-01T23:59:59.000Z

51

VICE CHANCELLOR Signature of Head of School  

E-Print Network [OSTI]

VICE CHANCELLOR Signature of Head of School Date (dd/mm/yy) Following is a report on the professional and consultative work of my School/section over the twelve months of (year) School/Section One. Yes No (Nil Return) Total number of staff within School/Section at year end who are eligible to engage

Tobar, Michael

52

EMPLOYEE BENEFIT SERVICE Signature Service Oil Change  

E-Print Network [OSTI]

UNM Staff EMPLOYEE BENEFIT SERVICE Jiffy Lube Signature Service Oil Change Fast - No Appointment We change your oil with up to 5 quarts of major brand motor oil We install a new oil fi We visually inspect. ASE training programs · Jiffy Lube uses top quality products that meet or exceed vehicle warranty

New Mexico, University of

53

Methods and apparatus for multi-parameter acoustic signature inspection  

DOE Patents [OSTI]

A multiparameter acoustic signature inspection device and method are described for non-invasive inspection of containers. Dual acoustic signatures discriminate between various fluids and materials for identification of the same.

Diaz, Aaron A. (Richland, WA); Samuel, Todd J. (Pasco, WA); Valencia, Juan D. (Kennewick, WA); Gervais, Kevin L. (Richland, WA); Tucker, Brian J. (Pasco, WA); Kirihara, Leslie J. (Richland, WA); Skorpik, James R. (Kennewick, WA); Reid, Larry D. (Benton City, WA); Munley, John T. (Benton City, WA); Pappas, Richard A. (Richland, WA); Wright, Bob W. (West Richland, WA); Panetta, Paul D. (Richland, WA); Thompson, Jason S. (Richland, WA)

2007-07-24T23:59:59.000Z

54

Electronic Signature of DNA Nucleotides via Transverse Transport  

E-Print Network [OSTI]

Electronic Signature of DNA Nucleotides via Transverse Transport Michael Zwolak Physics Department spatial width, each nucleotide carries a unique signature due to the different electronic and chemical structure of the four bases. This signature is independent of the nearest-neighbor nucleotides. Furthermore

Zwolak, Michael

55

Equivocal Blind Signatures and Adaptive UC-Security Aggelos Kiayias  

E-Print Network [OSTI]

Equivocal Blind Signatures and Adaptive UC-Security Aggelos Kiayias Hong-Sheng Zhou April 12, 2007 Abstract We study the design of practical blind signatures in the universal composability (UC) setting against adaptive adversaries. We introduce a new property for blind signature schemes

56

Automated Discovery of Structural Signatures of Protein Fold and Function  

E-Print Network [OSTI]

Automated Discovery of Structural Signatures of Protein Fold and Function Marcel Turcotte1 sys- tematically for protein fold signatures, we have explored the use of Inductive Logic Programming fold. The work showed that signatures of protein folds exist, about half of rules discov- ered

Muggleton, Stephen H.

57

Energy Signatures: A passive solar design tool  

SciTech Connect (OSTI)

Energy signatures is a new technique for aiding a designer in selecting and sizing passive solar elements in a building. Hourly heat flux profiles for each candidate design element are determined. These profiles are then matched to the hourly energy requirement of the space accounting for weather conditions, internal heat profiles of the space, and the mass characteristics of the building. Simulation analysis techniques are used to determine the energy signatures and the building load profile, and to check the final result. Least-squares techniques are used to determine the optimum mix of strategies. Examples are given to illustrate development of the method up to the present time. In addition, future directions and possibilities are outlined. 5 refs., 28 figs., 3 tabs.

Balcomb, J.D.; Lekov, A.B.

1987-12-01T23:59:59.000Z

58

A HIC Primitive Spinodal Decomposition Signature  

E-Print Network [OSTI]

Evidence of a primitive spinodal decomposition has been obtained for central Ni+Ni Heavy Ion Collision, since higher order charge correlations show a peak when four fragments of size equal to 6 are produced with an excitation of 4.75 MeV. This can be considered as a signature of a primitive breakup in equal sized fragments with a privileged fragment size. This computational result confirms other experimental and theoretical evidences about spinodal decompostion in HIC.

Armando Barran; J. A. Lpez

2005-03-29T23:59:59.000Z

59

Help:Signatures | 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 Resources Jump to: navigation,Ohio:Greer CountyCorridorPartImages Jump to: navigation, searchSignatures

60

Identification of host response signatures of infection.  

SciTech Connect (OSTI)

Biological weapons of mass destruction and emerging infectious diseases represent a serious and growing threat to our national security. Effective response to a bioattack or disease outbreak critically depends upon efficient and reliable distinguishing between infected vs healthy individuals, to enable rational use of scarce, invasive, and/or costly countermeasures (diagnostics, therapies, quarantine). Screening based on direct detection of the causative pathogen can be problematic, because culture- and probe-based assays are confounded by unanticipated pathogens (e.g., deeply diverged, engineered), and readily-accessible specimens (e.g., blood) often contain little or no pathogen, particularly at pre-symptomatic stages of disease. Thus, in addition to the pathogen itself, one would like to detect infection-specific host response signatures in the specimen, preferably ones comprised of nucleic acids (NA), which can be recovered and amplified from tiny specimens (e.g., fingerstick draws). Proof-of-concept studies have not been definitive, however, largely due to use of sub-optimal sample preparation and detection technologies. For purposes of pathogen detection, Sandia has developed novel molecular biology methods that enable selective isolation of NA unique to, or shared between, complex samples, followed by identification and quantitation via Second Generation Sequencing (SGS). The central hypothesis of the current study is that variations on this approach will support efficient identification and verification of NA-based host response signatures of infectious disease. To test this hypothesis, we re-engineered Sandia's sophisticated sample preparation pipelines, and developed new SGS data analysis tools and strategies, in order to pioneer use of SGS for identification of host NA correlating with infection. Proof-of-concept studies were carried out using specimens drawn from pathogen-infected non-human primates (NHP). This work provides a strong foundation for large-scale, highly-efficient efforts to identify and verify infection-specific host NA signatures in human populations.

Branda, Steven S.; Sinha, Anupama; Bent, Zachary

2013-02-01T23:59:59.000Z

Note: This page contains sample records for the topic "logan sholar signature" 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

Water quality parameter measurement using spectral signatures  

E-Print Network [OSTI]

the photography, and Richard Carter of the Data Processing Center of Texas A4M who digitized the scanner data. As- sistance in preparing and editing the manuscript were provided by my committee members, Dr. W. P. James, and Dr. J. P, German, with special... water shown in figure I-1. I=rom cultures of various phytoplankton, he obtained the signatures shown in figure I-2. Figures I- 1 (P. 10) and I- 2 (p . II) indicate that water has a minimum attenuation and phytoplankton a maximum attenuation at short...

White, Paul Edward

1973-01-01T23:59:59.000Z

62

Signatures at Los Alamos National Laboratory  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLas ConchasPassiveSubmitted forHighlightsSeminars SeminarsO'LearyGlobalMarketSiSignatures at Los

63

JAZZAT THE LOGAN Hear the world's best  

E-Print Network [OSTI]

Jazz Festival FRIDAY, FEBRUARY 13 / 7:30 PM Tigran Hamasyan Trio Tigran Hamasyan, piano; Sam Minaie playing calls up images of legendary jazz pianists like Keith Jarrett, Thelonious Monk and Art Tatum. "His

Scherer, Norbert F.

64

Logan, Ohio: 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 No revision hasInformation Earth's Heat JumpInc Place:KeystoneSolarListLiveFuels Inc JumpLoess Hills Wind°,Ohio:

65

Automated defect spatial signature analysis for semiconductor manufacturing process  

DOE Patents [OSTI]

An apparatus and method for performing automated defect spatial signature alysis on a data set representing defect coordinates and wafer processing information includes categorizing data from the data set into a plurality of high level categories, classifying the categorized data contained in each high level category into user-labeled signature events, and correlating the categorized, classified signature events to a present or incipient anomalous process condition.

Tobin, Jr., Kenneth W. (Harriman, TN); Gleason, Shaun S. (Knoxville, TN); Karnowski, Thomas P. (Knoxville, TN); Sari-Sarraf, Hamed (Knoxville, TN)

1999-01-01T23:59:59.000Z

66

Integrated Molecular Signature of Disease: Analysis of Influenza...  

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

of Disease: Analysis of Influenza Virus-Infected Macaques through Functional Genomics and Integrated Molecular Signature of Disease: Analysis of Influenza Virus-Infected...

67

On seismic signatures of rapid variation  

E-Print Network [OSTI]

We present an improved model for an asteroseismic diagnostic contained in the frequency spacing of low-degree acoustic modes. By modelling in a realistic manner regions of rapid variation of dynamically relevant quantities, which we call acoustic glitches, we can derive signatures of the gross properties of those glitches. In particular, we are interested in measuring properties that are related to the helium ionization zones and to the rapid variation in the background state associated with the lower boundary of the convective envelope. The formula for the seismic diagnostic is tested against a sequence of theoretical models of the Sun, and is compared with seismic diagnostics published previously by Monteiro & Thompson (1998, 2005) and by Basu et al. (2004).

G. Houdek; D. O. Gough

2006-12-01T23:59:59.000Z

68

A signature for turbulence driven magnetic islands  

SciTech Connect (OSTI)

We investigate the properties of magnetic islands arising from tearing instabilities that are driven by an interchange turbulence. We find that such islands possess a specific signature that permits an identification of their origin. We demonstrate that the persistence of a small scale turbulence maintains a mean pressure profile, whose characteristics makes it possible to discriminate between turbulence driven islands from those arising due to an unfavourable plasma current density gradient. We also find that the island poloidal turnover time, in the steady state, is independent of the levels of the interchange and tearing energy sources. Finally, we show that a mixing length approach is adequate to make theoretical predictions concerning island flattening in the island rotation frame.

Agullo, O.; Muraglia, M.; Benkadda, S. [Aix-Marseille Universit, CNRS, PIIM, UMR 7345 Marseille (France); France-Japan Magnetic Fusion Laboratory, LIA 336 CNRS, Marseille (France); Poy, A. [Univ. Bordeaux, CNRS, CEA, CELIA (Centre Lasers Intenses et Applications), UMR 5107, F-33405 Talence (France); Yagi, M. [Plasma Theory and Simulation Gr., JAEA, Rokkasho (Japan); Garbet, X. [IRFM, CEA, St-Paul-Lez-Durance 13108 (France); Sen, A. [Institute for Plasma Research, Bhat, Gandhinagar 382428 (India)

2014-09-15T23:59:59.000Z

69

A STROKE BASED ALGORITHM FOR DYNAMIC SIGNATURE VERIFICATION  

E-Print Network [OSTI]

A STROKE BASED ALGORITHM FOR DYNAMIC SIGNATURE VERIFICATION Tong Qu, Abdulmotaleb El Saddik, Andy a novel stroke-based algorithm for DSV. An algorithm is developed to convert sample signatures of individual strokes. Individual strokes are identified by finding the points where there is a 1) decrease

Adler, Andy

70

Execution Trace-Driven Automated Attack Signature Generation Susanta Nanda  

E-Print Network [OSTI]

Execution Trace-Driven Automated Attack Signature Generation Susanta Nanda Symantec Research Labs In its most general form, an attack signature is a program that can correctly determine if an input network packet se- quence can successfully attack a protected network appli- cation. Filter rules used

Chiueh, Tzi-cker

71

New Blind Signatures Equivalent to Factorization (Extended Abstract)  

E-Print Network [OSTI]

New Blind Signatures Equivalent to Factorization (Extended Abstract) David Pointcheval Jacques Stern Abstract In this paper, we present new blind signature schemes based on the factorization problem. They are the first blind sig- nature schemes proved secure relatively to factorization. By security, we mean

Pointcheval, David

72

Network signatures of nuclear and cytoplasmic density alterations in a  

E-Print Network [OSTI]

Network signatures of nuclear and cytoplasmic density alterations in a model of pre://biomedicaloptics.spiedigitallibrary.org/ on 06/24/2014 Terms of Use: http://spiedl.org/terms #12;Network signatures of nuclear and cytoplasmic cytoplasmic and nuclear structural altera- tions that accompany their aberrant genetic, epigenetic

Staum, Jeremy

73

Fully Anonymous Group Signatures without Random Oracles Jens Groth #  

E-Print Network [OSTI]

signature schemes that avoid the random oracle model. Bellare, Micciancio and Warinschi [BMW03] suggested their scheme is not secure in the BMW/BSZ­models. Boyen and Waters [BW06, BW07] suggest group signatures that are secure against key exposure attacks. Their constructions are secure in a restricted version of the BMW

74

SciTech Connect: Development of Asset Fault Signatures for Prognostic...  

Office of Scientific and Technical Information (OSTI)

signatures to assess the health status of generator step-up generators and emergency diesel generators in nuclear power plants. Asset fault signatures describe the distinctive...

75

SciTech Connect: Development of Asset Fault Signatures for Prognostic...  

Office of Scientific and Technical Information (OSTI)

Development of Asset Fault Signatures for Prognostic and Health Management in the Nuclear Industry Citation Details In-Document Search Title: Development of Asset Fault Signatures...

76

INSTRUCTIONS e-Portal and MMIS Signature Authorization Form Surplus Property Program -MM-3S  

E-Print Network [OSTI]

For Materials & Logistics Management Use Only: Signatures: Date: Date: ____________________________________________________ 1. Authorized Materials & Logistics Management Signature/31/14 OFFICE MATERIALS & LOGISTICS MANAGEMENT (MLM) #12;

Oliver, Douglas L.

77

Starry messages: Searching for signatures of interstellar archaeology  

SciTech Connect (OSTI)

Searching for signatures of cosmic-scale archaeological artifacts such as Dyson spheres or Kardashev civilizations is an interesting alternative to conventional SETI. Uncovering such an artifact does not require the intentional transmission of a signal on the part of the original civilization. This type of search is called interstellar archaeology or sometimes cosmic archaeology. The detection of intelligence elsewhere in the Universe with interstellar archaeology or SETI would have broad implications for science. For example, the constraints of the anthropic principle would have to be loosened if a different type of intelligence was discovered elsewhere. A variety of interstellar archaeology signatures are discussed including non-natural planetary atmospheric constituents, stellar doping with isotopes of nuclear wastes, Dyson spheres, as well as signatures of stellar and galactic-scale engineering. The concept of a Fermi bubble due to interstellar migration is introduced in the discussion of galactic signatures. These potential interstellar archaeological signatures are classified using the Kardashev scale. A modified Drake equation is used to evaluate the relative challenges of finding various sources. With few exceptions interstellar archaeological signatures are clouded and beyond current technological capabilities. However SETI for so-called cultural transmissions and planetary atmosphere signatures are within reach.

Carrigan, Richard A., Jr.; /Fermilab

2009-12-01T23:59:59.000Z

78

Galactic bursts signature in Antarctica 10Be  

E-Print Network [OSTI]

I detected a very strong (25 %var) period of 3592+-57 years at 99% confidence level in the 10Be deposition rates from Vostok, Antarctica ice core raw (gapped, unaltered) data. The period was verified at 99% confidence level against the 10Be concentration raw data at both Vostok, as 3700+-57 years at very strong 38 %var, and Taylor Dome, Antarctica, as 3800+-61 years at very strong 23 %var. The noisy Mg concentration data from Taylor Dome also show an extremely strong (44 %var) period of 3965+-16 years. The Vostok data also show the Hallstadzeit Solar cycle, as 2296+-57 years at 12 %var, perhaps its best estimate yet. I use for all analyses the 99% confidence strict Gauss-Vanicek spectral analysis (GVSA) that estimates periods in incomplete records. Based on recent 500-parsec Galactic Center (GC) GeV/TeV Gamma ray surveys by the H.E.S.S. and INTEGRAL telescopes, the GC extremely active central region makes the best candidate host for bursts leaving the discovered signature. A previously reported 3600 years per...

Omerbashich, M

2006-01-01T23:59:59.000Z

79

Methyl-CpG island-associated genome signature tags  

DOE Patents [OSTI]

Disclosed is a method for analyzing the organismic complexity of a sample through analysis of the nucleic acid in the sample. In the disclosed method, through a series of steps, including digestion with a type II restriction enzyme, ligation of capture adapters and linkers and digestion with a type IIS restriction enzyme, genome signature tags are produced. The sequences of a statistically significant number of the signature tags are determined and the sequences are used to identify and quantify the organisms in the sample. Various embodiments of the invention described herein include methods for using single point genome signature tags to analyze the related families present in a sample, methods for analyzing sequences associated with hyper- and hypo-methylated CpG islands, methods for visualizing organismic complexity change in a sampling location over time and methods for generating the genome signature tag profile of a sample of fragmented DNA.

Dunn, John J

2014-05-20T23:59:59.000Z

80

Motor current signature analysis method for diagnosing motor operated devices  

DOE Patents [OSTI]

A motor current noise signature analysis method and apparatus for remotely monitoring the operating characteristics of an electric motor-operated device such as a motor-operated valve. Frequency domain signal analysis techniques are applied to a conditioned motor current signal to distinctly identify various operating parameters of the motor driven device from the motor current signature. The signature may be recorded and compared with subsequent signatures to detect operating abnormalities and degradation of the device. This diagnostic method does not require special equipment to be installed on the motor-operated device, and the current sensing may be performed at remote control locations, e.g., where the motor-operated devices are used in accessible or hostile environments.

Haynes, Howard D. (Kingston, TN); Eissenberg, David M. (Oak Ridge, TN)

1990-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "logan sholar signature" 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

ADVISORY ALERT: Dekker, Ltd. Digital Signature - PARS II...  

Energy Savers [EERE]

so that you may continue working with PARS II reports. Please note: Once you complete the process of accepting the Dekker, LTd. digital signature, this warning will not re-appear....

82

Speculation without Oil Stockpiling as a Signature: A Dynamic Perspective  

E-Print Network [OSTI]

According to the standard analysis of commodity prices, stockpiling is a necessary signature of speculation. This paper develops an approach suggesting that speculation may temporarily push crude oil prices above the level ...

Babusiaux, Denis

83

Seismic Pulses Derivation from the Study of Source Signature Characteristics  

SciTech Connect (OSTI)

This paper deals with a deterministic technique for the derivation of seismic pulses by the study of source characteristics. The spectral characteristics of the directly or the nearest detected seismic signal is analyzed and considered as the principle source signature. Using this signature seismic pulses are derived with accurate time position in the seismic traces. The technique is applied on both synthetic and field refraction seismic traces. In both cases it has estimated that the accurate time shifts along with amplitude coefficients.

Rahman, Syed Mustafizur; Nawawi, M. N. Mohd.; Saad, Rosli [School of Physics, Univeristi Sains Malaysia, 11800 USM, Pulau Pinang (Malaysia)

2010-07-07T23:59:59.000Z

84

Fair Blind Signatures without Random Oracles Georg Fuchsbauer and Damien Vergnaud  

E-Print Network [OSTI]

Fair Blind Signatures without Random Oracles Georg Fuchsbauer and Damien Vergnaud Ecole normale. A fair blind signature is a blind signature with revocable anonymity and unlinkability, i requested it. In this paper we first revisit the security model for fair blind signatures given

Boyer, Edmond

85

Time-Dependent Delayed Signatures From Energetic Photon Interrogations  

SciTech Connect (OSTI)

A pulsed photonuclear interrogation environment is rich with time-dependent, material specific, radiation signatures. Exploitation of these signatures in the delayed time regime (>1us after the photon flash) has been explored through various detection schemes to identify both shielded nuclear material and nitrogen-based explosives. Prompt emission may also be invaluable for these detection methods. Numerical and experimental results, which utilize specially modified neutron and HpGe detectors, are presented which illustrate the efficacy of utilizing these time-dependent signatures. Optimal selection of the appropriate delayed time window is essential to these pulsed inspection systems. For explosive (ANFO surrogate) detection, both numerical models and experimental results illustrate that nearly all 14N(n,y) reactions have occurred within l00 us after the flash. In contrast, however, gamma-ray and neutron signals for nuclear material detection require a delay of several milliseconds after the photon pulse. In this case, any data collected too close to the photon flash results in a spectrum dominated by high energy signals which make it difficult to discern signatures from nuclear material. Specifically, two short-lived, high-energy fission fragments (97Ag(T1/2=5.1 s) and 94Sr(T1/2=75.2 s)) were measured and identified as indicators of the presence of fissionable material. These developments demonstrate that a photon inspection environment can be exploited for time-dependent, material specific signatures through the proper operation of specially modified detectors.

D. R. Norman; J. L. Jones; B. W. Blackburn; S. M. Watson; K. J. Haskell

2006-08-01T23:59:59.000Z

86

A Coincidence Signature Library for Multicoincidence Radionuclide Analysis Systems  

SciTech Connect (OSTI)

Pacific Northwest National Laboratory (PNNL) is currently developing multicoincidence systems to perform trace radionuclide analysis at or near the sample collection point, for applications that include emergency response, nuclear forensics, and environmental monitoring. Quantifying radionuclide concentrations with these systems requires a library of accurate emission intensities for each detected signature, for all candidate radionuclides. To meet this need, a Coincidence Lookup Library (CLL) is being developed to calculate the emission intensities of coincident signatures from a user-specified radionuclide, or conversely, to determine the radionuclides that may be responsible for a specific detected coincident signature. The algorithms used to generate absolute emission intensities and various query modes for our developmental CLL are described.

Smith, Leon E.; Ellis, J E.; Valsan, Andrei B.; Aalseth, Craig E.; Miley, Harry S.

2003-10-01T23:59:59.000Z

87

Cosmological Signature of New Parity-Violating Interactions  

E-Print Network [OSTI]

Does Nature yield any manifestations of parity violation other than those observed in weak interactions? A map of the cosmic microwave background (CMB) temperature and polarization will provide a new signature of P violation. We give two examples of new P violating interactions, which may have something to do with Planck-scale physics, inflation, and/or quintessence, that would give rise to such a signature. Although these effects would most likely elude detection by MAP and the Planck Surveyor, they may be detectable with a future dedicated CMB polarization experiment.

Arthur Lue; Limin Wang; Marc Kamionkowski

1999-07-23T23:59:59.000Z

88

Vibrational Signature of Water Molecules in Asymmetric Hydrogen Bonding Environments  

E-Print Network [OSTI]

Vibrational Signature of Water Molecules in Asymmetric Hydrogen Bonding Environments Chao Zhang contributions of each of the two hydrogen atoms to the vibrational modes 1 and 3 of water molecules the early works on the molecular structure of water, it has been accepted that a water molecule

Guidoni, Leonardo

89

Modelling the Induced Magnetic Signature of Naval Vessels  

E-Print Network [OSTI]

vessels stealth is an important design feature. With recent advances in electromagnetic sensor technology with the magnetic signature resulting from the magnetisation of the ferromagnetic material of the ship, under is constructed from non-magnetic materials, but arises from the combined e#11;ect of the individual items

Low, Robert

90

Turbulence Structure and Wall Signature in Hypersonic Turbulent Boundary Layer  

E-Print Network [OSTI]

Turbulence Structure and Wall Signature in Hypersonic Turbulent Boundary Layer Yin-Chiu Kan , Clara and hypersonic turbulent boundary layer datasets from direct numerical simulation (DNS). Contour plots and Marusic5 and Mathis, Hutchins and Marusic16 ). In contrast to supersonic and hypersonic flow regimes

Martín, Pino

91

Turbulence Structure and Wall Signature in Hypersonic Boundary Layer  

E-Print Network [OSTI]

Turbulence Structure and Wall Signature in Hypersonic Boundary Layer Yin-Chiu Kan , Beekman Izaak and low- speed features, found in subsonic experiments, are present in our supersonic and hypersonic and hypersonic regimes due to the lack of detailed flow field data, and the studies have been mostly restricted

Martín, Pino

92

Extracting Temporal Signatures for Comprehending Systems Biology Models  

E-Print Network [OSTI]

, with capabilities to model complex systems including cell division, stress response, energy metabolism multi-variate time series data, where the signatures are composed of ordinal comparisons between time]: Data mining; I.5.2 [Design Methodology]: Feature evaluation and selection General Terms Algorithms

Ramakrishnan, Naren

93

Data Mining to Characterize Signatures of Impending System Events  

E-Print Network [OSTI]

the Future Electric Energy System #12;#12;Data Mining to Characterize Signatures of Impending System Events) is a multi-university Center conducting research on challenges facing the electric power industry, and apply the decision tree based data mining techniques available in the commercial software Classification

94

Vibration signatures, wavelets and principal components analysis in diesel engine  

E-Print Network [OSTI]

Vibration signatures, wavelets and principal components analysis in diesel engine diagnostics G of a normally aspirated diesel engine contain valu­ able information on the health of the combustion chamber induced in a 4­stroke diesel engine and the ensuing vi­ bration signals recorded. Three different feature

Sharkey, Amanda

95

A Comparison Between Signature and Machine Learning Based Detectors  

E-Print Network [OSTI]

in implementation, their effect on WiFi networks can be devastating. To this end, several Intrusion Detection-Wireless and a genetic programming (GP) based intrusion detector, in the detection of a particular data link layer attack and stealthy manner in order to beat the signatures in the intrusion detection database. Based on the past

Zincir-Heywood, Nur

96

Cryptographic Link Signatures for Spectrum Usage Authentication in Cognitive Radio  

E-Print Network [OSTI]

Cryptographic Link Signatures for Spectrum Usage Authentication in Cognitive Radio Xi Tan, Kapil frequency spectrum was inefficiently utilized. To fully use these spectrums, cognitive radio networks have of cognitive radio is to enable the current fixed spectrum channels assigned by Federal Communica- tions

Du, Wenliang "Kevin"

97

Distinguished solutions for discontinuous signature change with weak junction conditions  

E-Print Network [OSTI]

We consider discontinuous signature change with the weak junction condition favoured by Ellis et. al. (1992). We impose certain regularity conditions and investigate the space of solutions (considered as one-parameter families of three-dimensional Riemannian manifolds) for dust and scalar field models.

M. Kriele

1996-10-10T23:59:59.000Z

98

Science of Signatures Workshop on Secondary Ion Mass Spectrometry (SIMS) Applications July 24, 2012  

SciTech Connect (OSTI)

The science of signatures focus areas are: (1) Radiological and Nuclear; (2) Chemical and Materials (including explosives); (3) Biological - Signatures of Disease and Health; (4) Energy; (5) Climate; and (6) Space.

Hickmott, Donald D [Los Alamos National Laboratory; Riciputi, Lee D [Los Alamos National Laboratory

2012-07-23T23:59:59.000Z

99

Searches forSearches for SupersymmetrySupersymmetry inin MultileptonicMultileptonic SignaturesSignatures at CDFat CDF  

E-Print Network [OSTI]

Signatures at CDFat CDF Giulia Manca, University of Liverpool Wine and Cheese Seminar Fermilab, 12 May 2006 #12;12th don't unify at one scale · Dark Matter · Dark Energy · Neutrino masses · Gravity Limitations: SupersymmetrySupersymmetry: how?: how? Large Missing Energy ET AND: Isolated leptons Multijets ...and many more

Fermilab

100

Table of Contents A Multivariate Signature Scheme with an almost cyclic public key . . . . . . . . . . . . . . . . . . . . . 2  

E-Print Network [OSTI]

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2 The Oil and Vinegar Signature Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4 Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4.1 Security under direct attacks

Note: This page contains sample records for the topic "logan sholar signature" 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

Comparing Inverted Files and Signature Files for Searching a Large Lexicon  

E-Print Network [OSTI]

Comparing Inverted Files and Signature Files for Searching a Large Lexicon BEN CARTERETTE1 , FAZLI, 2003 To appear in Information Processing and Management Abstract Signature files and inverted files, a bit-sliced signature file can be compressed to a smaller size than an inverted file if each n

Can, Fazli

102

Audio, Video and Audio-Visual Signatures for Short Video Clip Detection: Experiments on Trecvid2003  

E-Print Network [OSTI]

Audio, Video and Audio-Visual Signatures for Short Video Clip Detection: Experiments on Trecvid2003.Senechal,Denis.Pellerin}@lis.inpg.fr, Laurent.Besacier@imag.fr ABSTRACT In this paper, we present the association of audio and video signatures for short video clip detection. First, we present an audio signature based on the spectral flatness measure

Paris-Sud XI, Universit de

103

The origin, evolution and signatures of primordial magnetic fields  

E-Print Network [OSTI]

The universe is magnetized on all scales probed so far. On the largest scales, galaxies and galaxy clusters host magnetic fields at the micro Gauss level coherent on scales up to ten kpc. Recent observational evidence suggests that even the intergalactic medium in voids could host a weak $\\sim 10^{-16}$ Gauss magnetic field, coherent on Mpc scales. An intriguing possibility is that these observed magnetic fields are a relic from the early universe, albeit one which has been subsequently amplified and maintained by a dynamo in collapsed objects. We review here the origin, evolution and signatures of primordial magnetic fields. After a brief summary of magnetohydrodynamics in the expanding universe, we turn to magnetic field generation during inflation and other phase transitions. We trace the linear and nonlinear evolution of the generated primordial fields through the radiation era, including viscous effects. Sensitive observational signatures of primordial magnetic fields on the cosmic microwave background, ...

Subramanian, Kandaswamy

2015-01-01T23:59:59.000Z

104

A system for acquisition and classification of digitized handwritten signatures  

E-Print Network [OSTI]

35 VITA. 36 LIST OF FIGURES FIGURE PAGE 2. 1 Data acquisition system 2. 2 Photodiode and operational amplifier circuit. 2. 3 Analog-to-digital conversion subsystem. 10 3. I A signature sample, (a) the original sample, (b) the digitized sample... this function are a photodetector array, a lens unit, and a mechanical positioning assembly. The light intensity is proportional to the output of a vector of 50 PIN photodiodes manufactured by United Detector Technology. The photodiodes function as current...

Marion, Bruce Phillip

2012-06-07T23:59:59.000Z

105

DOPPLER SIGNATURES OF THE ATMOSPHERIC CIRCULATION ON HOT JUPITERS  

SciTech Connect (OSTI)

The meteorology of hot Jupiters has been characterized primarily with thermal measurements, but recent observations suggest the possibility of directly detecting the winds by observing the Doppler shift of spectral lines seen during transit. Motivated by these observations, we show how Doppler measurements can place powerful constraints on the meteorology. We show that the atmospheric circulation-and Doppler signature-of hot Jupiters splits into two regimes. Under weak stellar insolation, the day-night thermal forcing generates fast zonal jet streams from the interaction of atmospheric waves with the mean flow. In this regime, air along the terminator (as seen during transit) flows toward Earth in some regions and away from Earth in others, leading to a Doppler signature exhibiting superposed blueshifted and redshifted components. Under intense stellar insolation, however, the strong thermal forcing damps these planetary-scale waves, inhibiting their ability to generate jets. Strong frictional drag likewise damps these waves and inhibits jet formation. As a result, this second regime exhibits a circulation dominated by high-altitude, day-to-night airflow, leading to a predominantly blueshifted Doppler signature during transit. We present state-of-the-art circulation models including non-gray radiative transfer to quantify this regime shift and the resulting Doppler signatures; these models suggest that cool planets like GJ 436b lie in the first regime, HD 189733b is transitional, while planets hotter than HD 209458b lie in the second regime. Moreover, we show how the amplitude of the Doppler shifts constrains the strength of frictional drag in the upper atmospheres of hot Jupiters. If due to winds, the {approx}2 km s{sup -1} blueshift inferred on HD 209458b may require drag time constants as short as 10{sup 4}-10{sup 6} s, possibly the result of Lorentz-force braking on this planet's hot dayside.

Showman, Adam P.; Lewis, Nikole K. [Department of Planetary Sciences and Lunar and Planetary Laboratory, The University of Arizona, 1629 University Boulevard, Tucson, AZ 85721 (United States)] [Department of Planetary Sciences and Lunar and Planetary Laboratory, The University of Arizona, 1629 University Boulevard, Tucson, AZ 85721 (United States); Fortney, Jonathan J. [Department of Astronomy and Astrophysics, University of California, Santa Cruz, CA 95064 (United States)] [Department of Astronomy and Astrophysics, University of California, Santa Cruz, CA 95064 (United States); Shabram, Megan, E-mail: showman@lpl.arizona.edu [Department of Astronomy, University of Florida, 211 Bryant Space Science Center, Gainesville, FL 32611-2055 (United States)] [Department of Astronomy, University of Florida, 211 Bryant Space Science Center, Gainesville, FL 32611-2055 (United States)

2013-01-01T23:59:59.000Z

106

Oscillation signature from multi-wavelength analysis on solar chromosphere  

SciTech Connect (OSTI)

In this work, we investigate how the solar chromosphere responds to the photospheric dynamics by using tomography study, implementing multiwavelength analysis observations obtained from Dutch Open Telescope. By using high resolution, high-quality, simultaneous image sequences of multi-wavelength data, we try to obtain the oscillation signature that might play important role on chromospheric dynamic by using H-alpha (H?) as primary diagnostic tool.

Mumpuni, Emanuel Sungging, E-mail: nggieng@students.itb.ac.id [Department of Astronomy, Faculty of Mathematics and Natural Sciences, Bandung Institute of Technology, Ganesha 10, Bandung, Indonesia 40132 and Space Science Center, National Institute of Aeronautics and Space, Junjunan 133, Bandung 40173 (Indonesia); Herdiwijaya, Dhani [Department of Astronomy, Faculty of Mathematics and Natural Sciences, Bandung Institute of Technology, Ganesha 10, Bandung 40132 (Indonesia); Djamal, Mitra [Department of Physics, Faculty of Mathematics and Natural Sciences, Bandung Institute of Technology, Ganesha 10, Bandung 40132 (Indonesia)

2014-03-24T23:59:59.000Z

107

Fractal Fidelity as a signature of Quantum Chaos  

E-Print Network [OSTI]

We analyze the fidelity of a quantum simulation and we show that it displays fractal fluctuations iff the simulated dynamics is chaotic. This analysis allows us to investigate a given simulated dynamics without any prior knowledge. In the case of integrable dynamics, the appearance of fidelity fractal fluctuations is a signal of a highly corrupted simulation. We conjecture that fidelity fractal fluctuations are a signature of the appearance of quantum chaos. Our analysis can be realized already by a few qubit quantum processor.

Franco Pellegrini; Simone Montangero

2007-10-03T23:59:59.000Z

108

An on-line human signature verification system  

E-Print Network [OSTI]

image Voice print Signature recognition Single- node Price (includes hardware) $1, 500 $1, 200 $2, 150 $5, 000 $55, 000* $1, 200 $1, 000 Pros Easy, fast, one of the least expensive methods Inexpensive, very secure Tiny storage... state Sample target Industries General Law enforcement, corporate databases Manufacturing/sh op floors Nuclear facilities, medical services, correctional institutions Sites requiring ultra high security Remote banking, remote database...

Simsek, Burc A

2000-01-01T23:59:59.000Z

109

The Los Alamos Science Pillars The Science of Signatures  

SciTech Connect (OSTI)

As a national security science laboratory, Los Alamos is often asked to detect and measure the characteristics of complex systems and to use the resulting information to quantify the system's behavior. The Science of Signatures (SoS) pillar is the broad suite of technical expertise and capability that we use to accomplish this task. With it, we discover new signatures, develop new methods for detecting or measuring signatures, and deploy new detection technologies. The breadth of work at Los Alamos National Laboratory (LANL) in SoS is impressive and spans from the initial understanding of nuclear weapon performance during the Manhattan Project, to unraveling the human genome, to deploying laser spectroscopy instrumentation on Mars. Clearly, SoS is a primary science area for the Laboratory and we foresee that as it matures, new regimes of signatures will be discovered and new ways of extracting information from existing data streams will be developed. These advances will in turn drive the development of sensing instrumentation and sensor deployment. The Science of Signatures is one of three science pillars championed by the Laboratory and vital to supporting our status as a leading national security science laboratory. As with the other two pillars, Materials for the Future and Information Science and Technology for Predictive Science (IS&T), SoS relies on the integration of technical disciplines and the multidisciplinary science and engineering that is our hallmark to tackle the most difficult national security challenges. Over nine months in 2011 and 2012, a team of science leaders from across the Laboratory has worked to develop a SoS strategy that positions us for the future. The crafting of this strategy has been championed by the Chemistry, Life, and Earth Sciences Directorate, but as you will see from this document, SoS is truly an Institution-wide effort and it has engagement from every organization at the Laboratory. This process tapped the insight and imagination of many LANL staff and managers and resulted in a strategy which focuses on our strengths while recognizing that the science of signatures is dynamic. This report highlights the interdependence between SoS, advances in materials science, and advances in information technology. The intent is that SoS shape and inform Los Alamos investments in nuclear forensics, nuclear diagnostics, climate, space, energy, and biosurveillence; the areas of leadership that you will read about in this strategy document. The Science of Signatures is still a relatively new strategic direction for the Laboratory. The primary purpose of this document is tell Laboratory staff how SoS is being managed and give them a chance to get involved. A second important purpose is to inform the Department of Energy and our customers of our capability growth in this important scientific area. Questions concerning the SoS strategy and input to it are welcomed and may be directed to any member of the SoS Leadership Council or to the Chemistry, Life, and Earth Science Directorate Office.

Smith, Joshua E. [Los Alamos National Laboratory; Peterson, Eugene J. [Los Alamos National Laboratory

2012-09-13T23:59:59.000Z

110

Advisor Signature Student Signature Date The advisor is to make a copy of this form, when complete, to keep as a record of advising.  

E-Print Network [OSTI]

Advisor Signature Student Signature Date The advisor is to make a copy of this form, when complete requires each student to consult with an academic advisor prior to each registration period. After developing a schedule with your advisor, your advisor will have your advisor hold lifted. You

Tchumper, Gregory S.

111

Experimental study of ELF signatures developed by ballistic missile launch  

SciTech Connect (OSTI)

The Lawrence Livermore National Laboratory (Livermore, CA) and SARA, Inc. participated in the ATMD missile launch activities that occurred at WSMR during January 1993. These tests involved the launch of Lance missiles with a subsequent direction of F-15Es into the launch area for subsequent detection and simulated destruction of redeployed missile launchers, LLNL and SARA deployed SARN`s ELF sensors and various data acquisition systems for monitoring of basic phenomena. On 25 January 1993, a single missile launch allowed initial measurements of the phenomena and an assessment of appropriate sensor sensitivity settings as well as the appropriateness of the sensor deployment sites (e.g., with respect to man-made ELF sources such as power distributions and communication lines). On 27 January 1993, a measurement of a double launch of Lance missiles was performed. This technical report covers the results of the analysis of latter measurements. An attempt was made to measure low frequency electromagnetic signatures that may be produced during a missile launch. Hypothetical signature production mechanisms include: (1) Perturbations of the earth geo-potential during the launch of the missile. This signature may arise from the interaction of the ambient electric field with the conducting body of the missile as well as the partially ionized exhaust plume. (2) Production of spatial, charge sources from triboelectric-like mechanisms. Such effects may occur during the initial interaction of the missile plume with the ground material and lead to an initial {open_quotes}spike{close_quotes} output, Additionally, there may exist charge transfer mechanisms produced during the exhausting of the burnt fuel oxidizer.

Peglow, S.G.; Rynne, T.M.

1993-04-08T23:59:59.000Z

112

Signatures of quantum behavior in single-qubit weak measurements  

E-Print Network [OSTI]

With the recent surge of interest in quantum computation, it has become very important to develop clear experimental tests for ``quantum behavior'' in a system. This issue has been addressed in the past in the form of the inequalities due to Bell and those due to Leggett and Garg. These inequalities concern the results of ideal projective measurements, however, which are experimentally difficult to perform in many proposed qubit designs, especially in many solid state qubit systems. Here, we show that weak continuous measurements, which are often practical to implement experimentally, can yield particularly clear signatures of quantum coherence, both in the measured correlation functions and in the measured power spectrum.

Rusko Ruskov; Alexander N. Korotkov; Ari Mizel

2005-09-30T23:59:59.000Z

113

E-Print Network 3.0 - antarctic climate signature Sample Search...  

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

Climate... to the penguins, seabirds, seals and whales. The signature of lead from automobile fuel in Antarctic ice cores... ;11Planet Earth Winter 2006 climate system. Water...

114

Calcite precipitation dominates the electrical signatures of zero valent iron columns under simulated field conditions  

E-Print Network [OSTI]

of the electrical signatures from magnetite/fougerite vs.electrical properties of the different mineralogies: i.e. conductive and polarizable magnetite/fougerite vs.

Wu, Yuxin

2009-01-01T23:59:59.000Z

115

Deep Signatures of Southern Tropical Indian Ocean Annual Rossby Waves* GREGORY C. JOHNSON  

E-Print Network [OSTI]

Deep Signatures of Southern Tropical Indian Ocean Annual Rossby Waves* GREGORY C. JOHNSON NOAA Environmental Laboratory Contribution Number 3671. Corresponding author address: Gregory C. Johnson, NOAA

Johnson, Gregory C.

116

Signatures of the protein folding pathway in two-dimensional ultraviolet spectroscopy  

E-Print Network [OSTI]

2) Dobson, C. M. Protein Folding and Misfolding. Naturethe Complexity of Protein Folding. Curr. Opin. Struct. Biol.Signatures of the Protein Folding Pathway in Two-Dimensional

Jiang, J; Lai, Z; Wang, J; Mukamel, S

2014-01-01T23:59:59.000Z

117

Millimeter-wave imaging of thermal and chemical signatures.  

SciTech Connect (OSTI)

Development of a passive millimeter-wave (mm-wave) system is described for remotely mapping thermal and chemical signatures of process effluents with application to arms control and nonproliferation. Because a large amount of heat is usually dissipated in the air or waterway as a by-product of most weapons of mass destruction facilities, remote thermal mapping may be used to detect concealed or open facilities of weapons of mass destruction. We have developed a focal-plane mm-wave imaging system to investigate the potential of thermal mapping. Results of mm-wave images obtained with a 160-GHz radiometer system are presented for different target scenes simulated in the laboratory. Chemical and nuclear facilities may be identified by remotely measuring molecular signatures of airborne molecules emitted from these facilities. We have developed a filterbank radiometer to investigate the potential of passive spectral measurements. Proof of principle is presented by measuring the HDO spectral line at 80.6 GHz with a 4-channel 77-83 GHz radiometer.

Gopalsami, N.

1999-03-30T23:59:59.000Z

118

Neutrino oscillation signatures of oxygen-neon-magnesium supernovae  

E-Print Network [OSTI]

We discuss the flavor conversion of neutrinos from core collapse supernovae that have oxygen-neon-magnesium (ONeMg) cores. Using the numerically calculated evolution of the star up to 650 ms post bounce, we find that, for the normal mass hierarchy, the electron neutrino flux in a detector shows signatures of two typical features of an ONeMg-core supernova: a sharp step in the density profile at the base of the He shell and a faster shock wave propagation compared to iron core supernovae. Before the shock hits the density step (t ~ 150 ms), the survival probability of electron neutrinos is about 0.68, in contrast to values of 0.32 or less for an iron core supernova. The passage of the shock through the step and its subsequent propagation cause a decrease of the survival probability and a decrease of the amplitude of oscillations in the Earth, reflecting the transition to a more adiabatic propagation inside the star. These changes affect the lower energy neutrinos first; they are faster and more sizable for larger theta_13. They are unique of ONeMg-core supernovae, and give the possibility to test the speed of the shock wave. The time modulation of the Earth effect and its negative sign at the neutronization peak are the most robust signatures in a detector.

C. Lunardini; B. Mueller; H. -Th. Janka

2007-12-18T23:59:59.000Z

119

Low power cw-laser signatures on human skin  

SciTech Connect (OSTI)

Impact of cw laser radiation on autofluorescence features of human skin is studied. Two methods of autofluorescence detection are applied: the spectral method with the use of a fibreoptic probe and spectrometer for determining the autofluorescence recovery kinetics at a fixed skin area of {approx}12 mm{sup 2}, and the multispectral visualisation method with the use of a multispectral imaging camera for visualising long-term autofluorescence changes in a skin area of {approx}4 cm{sup 2}. The autofluorescence recovery kinetics after preliminary laser irradiation is determined. Skin autofluorescence images with visible long-term changes - 'signatures' of low power laser treatment are acquired. (application of lasers and laser-optical methods in life sciences)

Lihachev, A; Lesinsh, J; Jakovels, D; Spigulis, J [Institute of Atomic Physics and Spectroscopy, University of Latvia, Riga (Latvia)

2011-01-24T23:59:59.000Z

120

Smoking-gun signatures of little Higgs models  

E-Print Network [OSTI]

Little Higgs models predict new gauge bosons, fermions and scalars at the TeV scale that stabilize the Higgs mass against quadratically divergent one-loop radiative corrections. We categorize the many little Higgs models into two classes based on the structure of the extended electroweak gauge group and examine the experimental signatures that identify the little Higgs mechanism in addition to those that identify the particular little Higgs model. We find that by examining the properties of the new heavy fermion(s) at the LHC, one can distinguish the structure of the top quark mass generation mechanism and test the little Higgs mechanism in the top sector. Similarly, by studying the couplings of the new gauge bosons to the light Higgs boson and to the Standard Model fermions, one can confirm the little Higgs mechanism and determine the structure of the extended electroweak gauge group.

Tao Han; Heather E. Logan; Lian-Tao Wang

2006-01-03T23:59:59.000Z

Note: This page contains sample records for the topic "logan sholar signature" 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

Spectral signatures of photosynthesis I: Review of Earth organisms  

E-Print Network [OSTI]

Why do plants reflect in the green and have a 'red edge' in the red, and should extrasolar photosynthesis be the same? We provide: 1) a brief review of how photosynthesis works; 2) an overview of the diversity of photosynthetic organisms, their light harvesting systems, and environmental ranges; 3) a synthesis of photosynthetic surface spectral signatures; 4) evolutionary rationales for photosynthetic surface reflectance spectra with regard to utilization of photon energy and the planetary light environment. Given the surface incident photon flux density spectrum and resonance transfer in light harvesting, we propose some rules with regard to where photosynthetic pigments will peak in absorbance: a) the wavelength of peak incident photon flux; b) the longest available wavelength for core antenna or reaction center pigments; and c) the shortest wavelengths within an atmospheric window for accessory pigments. That plants absorb less green light may not be an inefficient legacy of evolutionary history, but may actually satisfy the above criteria.

Nancy Y. Kiang; Janet Siefert; Govindjee; Robert E. Blankenship

2007-01-12T23:59:59.000Z

122

Time Valid One-Time Signature for Time-Critical Multicast Data Authentication  

E-Print Network [OSTI]

malicious attacks. In this paper, we propose a novel signature model ­ Time Valid One-Time Signature (TV perfect tolerance to packet loss and strong robustness against malicious attacks. The communication is found in current substation communication systems where critical messages related to transient faults (e

Nahrstedt, Klara

123

Better than BiBa: Short One-time Signatures with Fast Signing and Verifying  

E-Print Network [OSTI]

schemes have found numerous applications: in ordinary, on-line/off-line, and forward-secure signatures of all currently-known one-time signature schemes. These desir- able properties allow Perrig to design a stream authentication scheme with small communication overhead and fast authentication of each packet

124

NIH/PHS PI Signature Form University of California, Los Angeles  

E-Print Network [OSTI]

NIH/PHS PI Signature Form University of California, Los Angeles This form complies with the requirements of NIH Notice NOT-OD-06-054 issued April 7, 2006 and effective May 10, 2006 for all applications: NIH requires that PI signatures be obtained prior to submission and retained by OCGA to be made

Grether, Gregory

125

A Study of the Security of Unbalanced Oil and Vinegar Signature Schemes  

E-Print Network [OSTI]

1 A Study of the Security of Unbalanced Oil and Vinegar Signature Schemes An Braeken, Christopher The Unbalanced Oil and Vinegar scheme (UOV) is a signature scheme based on multivariate quadratic equations, we study its security from several points of view. First, we are able to demonstrate

126

DWARF GALAXIES WITH OPTICAL SIGNATURES OF ACTIVE MASSIVE BLACK HOLES  

SciTech Connect (OSTI)

We present a sample of 151 dwarf galaxies (10{sup 8.5} ?< M{sub *} ?< 10{sup 9.5} M{sub ?}) that exhibit optical spectroscopic signatures of accreting massive black holes (BHs), increasing the number of known active galaxies in this stellar-mass range by more than an order of magnitude. Utilizing data from the Sloan Digital Sky Survey Data Release 8 and stellar masses from the NASA-Sloan Atlas, we have systematically searched for active BHs in ?25,000 emission-line galaxies with stellar masses comparable to the Magellanic Clouds and redshifts z < 0.055. Using the narrow-line [O III]/H? versus [N II]/H? diagnostic diagram, we find photoionization signatures of BH accretion in 136 galaxies, a small fraction of which also exhibit broad H? emission. For these broad-line active galactic nucleus (AGN) candidates, we estimate BH masses using standard virial techniques and find a range of 10{sup 5} ?< M{sub BH} ?< 10{sup 6} M{sub ?} and a median of M{sub BH} ? 2 10{sup 5} M{sub ?}. We also detect broad H? in 15 galaxies that have narrow-line ratios consistent with star-forming galaxies. Follow-up observations are required to determine if these are true type 1 AGN or if the broad H? is from stellar processes. The median absolute magnitude of the host galaxies in our active sample is M{sub g} = 18.1 mag, which is ?1-2 mag fainter than previous samples of AGN hosts with low-mass BHs. This work constrains the smallest galaxies that can form a massive BH, with implications for BH feedback in low-mass galaxies and the origin of the first supermassive BH seeds.

Reines, Amy E. [National Radio Astronomy Observatory, Charlottesville, VA 22903 (United States); Greene, Jenny E. [Department of Astrophysical Sciences, Princeton University, Princeton, NJ 08544 (United States); Geha, Marla, E-mail: areines@nrao.edu [Department of Astronomy, Yale University, New Haven, CT 06520 (United States)

2013-10-01T23:59:59.000Z

127

Commuter airlines at Boston Logan International Airport: 1973-1981  

E-Print Network [OSTI]

Introduction: The adequacy of air transportation in New England has been the subject of intermittent debate-over the last twenty years-, culminating in the Civil Aeronautics Board's 1970-1974 "New England Service Investigation" ...

Ausrotas, Raymond A.

1981-01-01T23:59:59.000Z

128

EA-1611: Colorado Highlands Wind Project, Logan County, Colorado  

Broader source: Energy.gov [DOE]

DOEs Western Area Power Administration prepared an EA in 2009 to assess the potential environmental impacts of interconnecting the proposed Colorado Highlands Wind Project to Westerns transmission system. The EA analyzed a proposal for 60 wind turbine generators with a total output nameplate capacity of 90 megawatts (MW). Western is preparing a supplemental EA to assess the potential environmental impacts of the proposed expansion of the project by 11 wind turbine generators that would add approximately 20 MW. Additional information is available on the Western Area Power Administration webpage for this project.

129

Logan County, Kansas: 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: Energy Resources Jump to:46 - 429Lacey,(Monaster AndLittletown, Arizona:Lockland, Ohio:

130

Logan County, Kentucky: 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: Energy Resources Jump to:46 - 429Lacey,(Monaster AndLittletown, Arizona:Lockland, Ohio: It is classified as

131

Logan County, Nebraska: 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: Energy Resources Jump to:46 - 429Lacey,(Monaster AndLittletown, Arizona:Lockland, Ohio: It is classified

132

Logan County, Ohio: 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: Energy Resources Jump to:46 - 429Lacey,(Monaster AndLittletown, Arizona:Lockland, Ohio: It is

133

Logan County, Oklahoma: 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: Energy Resources Jump to:46 - 429Lacey,(Monaster AndLittletown, Arizona:Lockland, Ohio: It isCashion, Oklahoma

134

Logan County, West Virginia: 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: Energy Resources Jump to:46 - 429Lacey,(Monaster AndLittletown, Arizona:Lockland, Ohio: It isCashion,

135

Logan View Public Schools Wind Project | 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 JumpLoess Hills Wind°,

136

Logan County Coop Power & Light | 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 Solar Powerstories on climateJuno Beach,October,Lighthouse SolarListLockhart Power

137

EA-1611: Colorado Highlands Wind Project, Logan County, Colorado |  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of Inspector General Office of Audit ServicesMirant Potomac RiverEA-0847:Mitigation7East1 PSI Energy,Department

138

City of Logan, Utah (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 Home5b9fcbce19 NoPublic Utilities Address: 160Benin:Energy Nebraska (Utility Company)Livingston Place: Texas References: EIA

139

Solving Inverse Detection Problems Using Passive Radiation Signatures  

SciTech Connect (OSTI)

The ability to reconstruct an unknown radioactive object based on its passive gamma-ray and neutron signatures is very important in homeland security applications. Often in the analysis of unknown radioactive objects, for simplicity or speed or because there is no other information, they are modeled as spherically symmetric regardless of their actual geometry. In these presentation we discuss the accuracy and implications of this approximation for decay gamma rays and for neutron-induced gamma rays. We discuss an extension of spherical raytracing (for uncollided fluxes) that allows it to be used when the exterior shielding is flat or cylindrical. We revisit some early results in boundary perturbation theory, showing that the Roussopolos estimate is the correct one to use when the quantity of interest is the flux or leakage on the boundary. We apply boundary perturbation theory to problems in which spherically symmetric systems are perturbed in asymmetric nonspherical ways. We apply mesh adaptive direct search (MADS) algorithms to object reconstructions. We present a benchmark test set that may be used to quantitatively evaluate inverse detection methods.

Favorite, Jeffrey A. [Los Alamos National Laboratory; Armstrong, Jerawan C. [Los Alamos National Laboratory; Vaquer, Pablo A. [Los Alamos National Laboratory

2012-08-15T23:59:59.000Z

140

Observational Signatures of Galactic Winds Powered by Active Galactic Nuclei  

E-Print Network [OSTI]

We predict the observational signatures of galaxy scale outflows powered by active galactic nuclei (AGN). Most of the emission is produced by the forward shock driven into the ambient interstellar medium (ISM) rather than by the reverse shock. AGN powered galactic winds with energetics suggested by phenomenological feedback arguments should produce spatially extended 1-10 keV X-ray emission of 10^(41-44) erg/s, significantly in excess of the spatially extended X-ray emission associated with normal star forming galaxies. The presence of such emission is a direct test of whether AGN outflows significantly interact with the ISM of their host galaxy. We further show that even radio quiet quasars should have a radio luminosity comparable to or in excess of the far infrared-radio correlation of normal star forming galaxies. This radio emission directly constrains the total kinetic energy flux in AGN-powered galactic winds. Radio emission from AGN wind shocks can also explain the recently highlighted correlations be...

Nims, Jesse; Faucher-Giguere, Claude-Andre

2014-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "logan sholar signature" 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

Signatures of Explosion Models for SN ~Ia & Cosmology  

E-Print Network [OSTI]

We give an overview of the current understanding of Type Ia supernovae relevant for their use as cosmological distance indicators. We present the physical basis to understand their homogeneity of the observed light curves and spectra and the observed correlations. SNe Ia have been well established as distance indicators on the 10 % level. However, the quest for the nature of the dark energy requires improvements in the accuracy to the 2 to 3 % level, we must understand the diversity within the SNe Ia population, and its evolution with redshift. Based on detailed models for the progenitors, explosions, light curves and spectra, we discuss signatures of thermonuclear explosions, and the implications for cosmology. We emphasize the relation between LC properties and spectra because, for local SNe~Ia, the diversity becomes apparent the combination of spectra and LCs whereas, by enlarge, we have to for high-z objects. At some examples, we show how we can actually probe the properties of the progenitor, its environment, and details of the explosion physics.

P. Hoeflich

2004-09-07T23:59:59.000Z

142

Quiet Sun X-rays as Signature for New Particles  

E-Print Network [OSTI]

We have studied published data from the Yohkoh solar X-ray mission, with the purpose of searching for signals from radiative decays of new, as yet undiscovered massive neutral particles. This search is based on the prediction that solar axions of the Kaluza-Klein type should result in the emission of X-rays from the Sun direction beyond the limb with a characteristic radial distribution. These X-rays should be observed more easily during periods of quiet Sun. An additional signature is the observed emission of hard X-rays by SMM, NEAR and RHESSI. The recent observation made by RHESSI of a continuous emission from the non-flaring Sun of X-rays in the 3 to ~15 keV range fits the generic axion scenario. This work also suggests new analyses of existing data, in order to exclude instrumental effects; it provides the rationale for targeted observations with present and upcoming (solar) X-ray telescopes, which can provide the final answer on the nature of the signals considered here. Such measurements become more promising during the forthcoming solar cycle minimum with an increased number of quiet Sun periods.

K. Zioutas; K. Dennerl; L. DiLella; D. H. H. Hoffmann; J. Jacoby; Th. Papaevangelou

2004-03-08T23:59:59.000Z

143

Cryptic photosynthesis, Extrasolar planetary oxygen without a surface biological signature  

E-Print Network [OSTI]

On the Earth, photosynthetic organisms are responsible for the production of virtually all of the oxygen in the atmosphere. On the land, vegetation reflects in the visible, leading to a red edge that developed about 450 Myr ago and has been proposed as a biosignature for life on extrasolar planets. However, in many regions of the Earth, and particularly where surface conditions are extreme, for example in hot and cold deserts, photosynthetic organisms can be driven into and under substrates where light is still sufficient for photosynthesis. These communities exhibit no detectable surface spectral signature to indicate life. The same is true of the assemblages of photosynthetic organisms at more than a few metres depth in water bodies. These communities are widespread and dominate local photosynthetic productivity. We review known cryptic photosynthetic communities and their productivity. We link geomicrobiology with observational astronomy by calculating the disk-averaged spectra of cryptic habitats and identifying detectable features on an exoplanet dominated by such a biota. The hypothetical cryptic photosynthesis worlds discussed here are Earth-analogs that show detectable atmospheric biomarkers like our own planet, but do not exhibit a discernable biological surface feature in the disc-averaged spectrum.

C. S. Cockell; L. Kaltenegger; J. A. Raven

2009-02-19T23:59:59.000Z

144

Bell's theorem as a signature of nonlocality: a classical counterexample  

E-Print Network [OSTI]

For a system composed of two particles Bell's theorem asserts that averages of physical quantities determined from local variables must conform to a family of inequalities. In this work we show that a classical model containing a local probabilistic interaction in the measurement process can lead to a violation of the Bell inequalities. We first introduce two-particle phase-space distributions in classical mechanics constructed to be the analogs of quantum mechanical angular momentum eigenstates. These distributions are then employed in four schemes characterized by different types of detectors measuring the angular momenta. When the model includes an interaction between the detector and the measured particle leading to ensemble dependencies, the relevant Bell inequalities are violated if total angular momentum is required to be conserved. The violation is explained by identifying assumptions made in the derivation of Bell's theorem that are not fulfilled by the model. These assumptions will be argued to be too restrictive to see in the violation of the Bell inequalities a faithful signature of nonlocality.

A. Matzkin

2008-03-19T23:59:59.000Z

145

Searching for Smoking Gun Signatures of Decaying Dark Matter  

E-Print Network [OSTI]

Clear methods to differentiate between decaying and annihilating dark matter (DM) scenarios are still by and large unavailable. In this note, we study the potential astrophysical signatures of a new class of hidden sector decaying DM models, which can address the recent cosmic ray measurements. Such models may produce primary photons and/or neutrinos at large rates, correlated with the leptonic production. The photon and neutrino spectra will then contain sharp features at the TeV scale. We demonstrate the discovery potential for upcoming and future measurements by FERMI, HESS, AGIS and IceCube/DeepCore. We show that these models may be discovered in the near future. Specifically, measurements of diffuse gamma rays by FERMI can detect the start of a hard photon feature. We argue that these hard spectra can be produced by decaying dark matter and be consistent with current constraints, but are difficult to reconcile with models of annihilating DM. Consequently the measurement of a hard spectral feature, in correlation with the current cosmic ray measurements, will strongly favor decaying DM models. Finally we comment on the preliminary results from the Inner Galaxy presented by the FERMI collaboration.

Joshua T. Ruderman; Tomer Volansky

2009-08-11T23:59:59.000Z

146

Development of Extraction Techniques for the Detection of Signature Lipids from Oil  

E-Print Network [OSTI]

hasbeenshownpreviouslyinoilsamples (Hallman,2008)ofsignaturelipidsfromoil SharonBorglin,OliviaMason,were combined with model oil samples and oil/diesel mixtures

Borglin, Sharon

2011-01-01T23:59:59.000Z

147

Safety Shoe and Insole Reimbursement Form Requisitioner: -Submit to supervisor for signature  

E-Print Network [OSTI]

Safety Shoe and Insole Reimbursement Form Requisitioner: - Submit to supervisor for signature. _________________________________________________ POSITION ____________________________________________________________________ DID YOU PURCHASE SAFETY TOES Safety Shoes or other footwear under the provisions outlined in the Collective Agreement

Sinnamon, Gordon J.

148

Larval Behavior and Natural Trace Element Signatures as Indicators of Crustacean Population Connectivity  

E-Print Network [OSTI]

variability in an atlas of trace element signatures forin creating a trace element atlas, our results show thatstage to create a trace element atlas in 2009 (Table 4.2),

Miller, Seth Haylen

2011-01-01T23:59:59.000Z

149

Signature Peptide-Enabled Metagenomics (Seventh Annual Sequencing, Finishing, Analysis in the Future (SFAF) Meeting 2012)  

ScienceCinema (OSTI)

Ben McMahon of Los Alamos National Laboratory (LANL) presents "Signature Peptide-Enabled Metagenomics" at the 7th Annual Sequencing, Finishing, Analysis in the Future (SFAF) Meeting held in June, 2012 in Santa Fe, NM.

McMahon, Ben [LANL

2013-01-25T23:59:59.000Z

150

Comparative analysis of electrical and mechanical fault signatures in induction motors  

E-Print Network [OSTI]

of interest. Due to its cost-effective nature and ease of use, electrical sensors are preinstalled at the motor switchgear by manufacturers. However in order to achieve this for mechanical faults, a systematic comparison between the vibration signatures...

Venugopal, Arvind Madabushi

2005-02-17T23:59:59.000Z

151

Observable signatures of extreme mass-ratio inspiral black hole binaries embedded in thin accretion disks  

E-Print Network [OSTI]

We examine the electromagnetic and gravitational wave (GW) signatures of stellar-mass compact objects (COs) spiraling into a supermassive black hole (extreme mass-ratio inspirals), embedded in a thin, radiation-pressure ...

Kocsis, Bence

152

INTO THE LAIR: GRAVITATIONAL-WAVE SIGNATURES OF DARK MATTER  

SciTech Connect (OSTI)

The nature and properties of dark matter (DM) are both outstanding issues in physics. Besides clustering in halos, the universal character of gravity implies that self-gravitating compact DM configurations-predicted by various models-might be spread throughout the universe. Their astrophysical signature can be used to probe fundamental particle physics, or to test alternative descriptions of compact objects in active galactic nuclei. Here, we discuss the most promising dissection tool of such configurations: the inspiral of a compact stellar-size object and consequent gravitational-wave (GW) emission. The inward motion of this ''test probe'' encodes unique information about the nature of the supermassive configuration. When the probe travels through some compact region we show, within a Newtonian approximation, that the quasi-adiabatic inspiral is mainly driven by DM accretion and by dynamical friction, rather than by radiation reaction. When accretion dominates, the frequency and amplitude of the GW signal produced during the latest stages of the inspiral are nearly constant. In the exterior region we study a model in which the inspiral is driven by GW and scalar-wave emission, described at a fully relativistic level. Resonances in the energy flux appear whenever the orbital frequency matches the effective mass of the DM particle, corresponding to the excitation of the central object's quasinormal frequencies. Unexpectedly, these resonances can lead to large dephasing with respect to standard inspiral templates, to such an extent as to prevent detection with matched filtering techniques. We discuss some observational consequences of these effects for GW detection.

Macedo, Caio F. B.; Cardoso, Vitor; Crispino, Luis C. B. [Faculdade de Fisica, Universidade Federal do Para, 66075-110 Belem, Para (Brazil); Pani, Paolo [CENTRA, Departamento de Fisica, Instituto Superior Tecnico, Universidade Tecnica de Lisboa (UTL), Avenida Rovisco Pais 1, 1049 Lisboa (Portugal)

2013-09-01T23:59:59.000Z

153

Development of Asset Fault Signatures for Prognostic and Health Management in the Nuclear Industry  

SciTech Connect (OSTI)

Proactive online monitoring in the nuclear industry is being explored using the Electric Power Research Institutes Fleet-Wide Prognostic and Health Management (FW-PHM) Suite software. The FW-PHM Suite is a set of web-based diagnostic and prognostic tools and databases that serves as an integrated health monitoring architecture. The FW-PHM Suite has four main modules: Diagnostic Advisor, Asset Fault Signature (AFS) Database, Remaining Useful Life Advisor, and Remaining Useful Life Database. This paper focuses on development of asset fault signatures to assess the health status of generator step-up generators and emergency diesel generators in nuclear power plants. Asset fault signatures describe the distinctive features based on technical examinations that can be used to detect a specific fault type. At the most basic level, fault signatures are comprised of an asset type, a fault type, and a set of one or more fault features (symptoms) that are indicative of the specified fault. The AFS Database is populated with asset fault signatures via a content development exercise that is based on the results of intensive technical research and on the knowledge and experience of technical experts. The developed fault signatures capture this knowledge and implement it in a standardized approach, thereby streamlining the diagnostic and prognostic process. This will support the automation of proactive online monitoring techniques in nuclear power plants to diagnose incipient faults, perform proactive maintenance, and estimate the remaining useful life of assets.

Vivek Agarwal; Nancy J. Lybeck; Randall Bickford; Richard Rusaw

2014-06-01T23:59:59.000Z

154

Beta decay radiation signature from neutron-rich gamma-ray bursts?  

E-Print Network [OSTI]

Core collapse of massive stars and binary neutron stars or black hole-neutron star binary mergers are likely progenitors of long and short duration gamma-ray bursts respectively. Neutronized material in the former and neutron star material in the latter are ejected by the central engine implying a neutron-rich jet outflow. A free neutron, however, beta decays to a proton, an electron (beta) and an anti-neutrino in about fifteen minutes in its rest frame. Sudden creation of a relativistic electron is accompanied by radiation with unique temporal and spectral signature. We calculate here this radiation signature collectively emitted by all beta decay electrons from neutron-rich outflow. Detection of this signature may thus provide strong evidence for not only neutron but also for proton content in the relativistic gamma-ray burst jets.

Soebur Razzaque; Peter Meszaros

2006-06-09T23:59:59.000Z

155

Pseudo Euclidean-Signature Harmonic Oscillator, Quantum Field Theory and Vanishing Cosmological Constant  

E-Print Network [OSTI]

The harmonic oscillator in pseudo euclidean space is studied. A straightforward procedure reveals that although such a system may have negative energy, it is stable. In the quantized theory the vacuum state has to be suitably defined and then the zero-point energy corresponding to a positive-signature component is canceled by the one corresponding to a negative-signature component. This principle is then applied to a system of scalar fields. The metric in the space of fields is assumed to have signature (+ + + ... - - -) and it is shown that the vacuum energy, and consequently the cosmological constant, are then exactly zero. The theory also predicts the existence of stable, negative energy field excitations (the so called "exotic matter") which are sources of repulsive gravitational fields, necessary for construction of the time machines and Alcubierre's hyperfast warp drive.

Matej Pavsic

1998-12-15T23:59:59.000Z

156

Sensitivity of an Upgraded LHC to R-Parity Violating Signatures of the MSSM  

E-Print Network [OSTI]

We present a sensitivity study for the pair-production of supersymmetric particles which decay through R-parity violating channels. As the scope of possible RPV signatures is very broad, the reach of several selected signatures spanning a representative variety of possible final states is considered. Preference in representation is given to spectra motivated by naturalness, i.e. light higgsinos, stops and gluinos. The sensitivity studies are presented for proton-proton collisions at 14 TeV with an integrated luminosity of 300 and 3000 fb^-1, as well as at 33 TeV with an integrated luminosity of 3000 fb^-1.

Daniel Duggan; Jared A. Evans; James Hirschauer; Ketino Kaadze; David Kolchmeyer; Amit Lath; Matthew Walker

2014-04-18T23:59:59.000Z

157

Development of Extraction Techniques for the Detection of Signature Lipids from Oil  

SciTech Connect (OSTI)

Pure cultures, including Desulfovibrio vulgaris and Methanococcus maripaludus, were combined with model oil samples and oil/diesel mixtures to optimize extraction techniques of signature lipids from oil in support of investigation of microbial communities in oil deposit samples targets for microbial enhanced hydrocarbon recovery. Several techniques were evaluated, including standard phospholipid extraction, ether linked lipid for Archaeal bacterial detection, and high pressure extractiontechniques. Recovery of lipids ranged from 50-80percent as compared to extraction of the pure culture. Extraction efficiency was evaluated by the use of internal standards. Field samples will also be tested for recovery of signature lipids with optimized extraction techniques.

Borglin, Sharon; Geller, Jil; Chakraborty, Romy; Hazen, Terry; Mason, Olivia

2010-05-17T23:59:59.000Z

158

The hydraulic bump: The surface signature of a plunging jet M. Labousse and J. W. M. Bush  

E-Print Network [OSTI]

The hydraulic bump: The surface signature of a plunging jet M. Labousse and J. W. M. Bush Citation://pof.aip.org/authors #12;PHYSICS OF FLUIDS 25, 094104 (2013) The hydraulic bump: The surface signature of a plunging jet M a falling jet of fluid strikes a horizontal fluid layer, a hydraulic jump arises downstream of the point

159

THE JOURNAL OF CHEMICAL PHYSICS 140, 204905 (2014) Precursory signatures of protein folding/unfolding: From time series  

E-Print Network [OSTI]

THE JOURNAL OF CHEMICAL PHYSICS 140, 204905 (2014) Precursory signatures of protein folding conformation. The present study looks for precursory signatures of protein folding/unfolding within these rapid the important role played by weaker correlations in such protein folding dynamics. © 2014 AIP Publishing LLC

160

Spectral signature of ice clouds in the far-infrared region: Single-scattering calculations and radiative sensitivity study  

E-Print Network [OSTI]

, a parameterization of the bulk scattering properties is developed. The radiative properties of ice cloudsSpectral signature of ice clouds in the far-infrared region: Single-scattering calculations the spectral signature of ice clouds in the far-infrared (far-IR) spectral region from 100 to 667 cm?1 (15

Baum, Bryan A.

Note: This page contains sample records for the topic "logan sholar signature" 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

A Microscopic Examination of an RSSI-Signature-Based Indoor Localization System  

E-Print Network [OSTI]

Taiwan University {b90901046, b91901152, sylau, r96944042} @ntu.edu.tw, phuang@cc.ee.ntu.edu.tw ABSTRACT-based localization system, and conduct a detailed measurement study on the effect of antenna orientation, obstacle, and beacon density to RSSI signatures instability. We find that (1) the effect of antenna orientation

Huang, Polly

162

Optical signature of topological insulators Ming-Che Chang1,* and Min-Fong Yang2,  

E-Print Network [OSTI]

Optical signature of topological insulators Ming-Che Chang1,* and Min-Fong Yang2, 1Department 16 September 2009 The axion coupling in topological insulators couples electric polarization, 73.20. r, 78.20. e I. INTRODUCTION A distinctive property of topological insulators is the ex

Chang, Ming-Che

163

Odne Stokke Burheim Thermal Signature and Thermal Conductivities of PEM Fuel Cells  

E-Print Network [OSTI]

Odne Stokke Burheim Thermal Signature and Thermal Conductivities of PEM Fuel Cells Thesis-Holst for believing in me and for giving me the opportunity to join the work on the "Thermal Effects in Fuel cell The work presented here gives estimates on thermal gradients within the PEM fuel cell, an experimental

Kjelstrup, Signe

164

The Earth as an extrasolar planet: The vegetation spectral signature today and  

E-Print Network [OSTI]

The Earth as an extrasolar planet: The vegetation spectral signature today and during the last in an unresolved extrasolar Earth-like planet integrated reflectance spectrum. Here we investigate the potential during these extrema when 1 hal-00351408,version1-9Jan2009 #12;Earth's climate and biomes maps were

Paris-Sud XI, Université de

165

The Earth as an extrasolar planet: the vegetation spectral signature today  

E-Print Network [OSTI]

The Earth as an extrasolar planet: the vegetation spectral signature today and during the last extrasolar Earth-like planet integrated reflectance spectrum. Here, we investigate the potential during these extrema, when Earth's climate and biomes maps were different from today, we are able to test

Arnold, Luc

166

Exploring Motion Signatures for Vision-Based Tracking, Recognition and Navigation  

E-Print Network [OSTI]

to explore motion signatures for object recognition. We begin with study of the periodic wingbeat motion of flying birds. To analyze the wing motion of a flying bird, we establish kinematics models for bird wings, and obtain wingbeat periodicity in image...

Li, Wen

2014-06-27T23:59:59.000Z

167

The MWIR and LWIR Spectral Signatures of Water and Associated Materials  

E-Print Network [OSTI]

produce a spectrum that did not look like water. Essentially all of the materials measured in this forest environment produced a water-dominated emissivity spectrum. As some materials appeared to contain only smallThe MWIR and LWIR Spectral Signatures of Water and Associated Materials Herbert J. Mitchella

Salvaggio, Carl

168

University Library Assessment of Signature Research Areas Page 1 of 6  

E-Print Network [OSTI]

University Library Assessment of Signature Research Areas Page 1 of 6 7. Water Security for Water Security Author: Jill Crawley-Low Assistant Dean (Services to Libraries) 1. Proposal Identification Full name of new centre: Global Institute for Water Security 2. Introduction Libraries

Saskatchewan, University of

169

Signatures for Right-Handed Neutrinos at the Large Hadron Collider  

SciTech Connect (OSTI)

We explore possible signatures for right-handed neutrinos in a TeV scale B-L extension of the standard model at the Large Hadron Collider. The studied four lepton signal has a tiny standard model background. We find the signal experimentally accessible at the LHC for the considered parameter regions.

Huitu, Katri; Rai, Santosh Kumar [Department of Physics, University of Helsinki and Helsinki Institute of Physics, P.O. Box 64, FIN-00014 University of Helsinki (Finland); Khalil, Shaaban [Centre for Theoretical Physics, British University in Egypt, El Sherouk City, Postal No, 11837, P.O. Box 43 (Egypt); Department of Mathematics, Ain Shams University, Faculty of Science, Cairo, 11566 (Egypt); Okada, Hiroshi [Centre for Theoretical Physics, British University in Egypt, El Sherouk City, Postal No, 11837, P.O. Box 43 (Egypt)

2008-10-31T23:59:59.000Z

170

SIGNATURES OF THE s-PROCESS IN PRESOLAR SILICON CARBIDE GRAINS: BARIUM THROUGH HAFNIUM  

E-Print Network [OSTI]

SIGNATURES OF THE s-PROCESS IN PRESOLAR SILICON CARBIDE GRAINS: BARIUM THROUGH HAFNIUM Qing-Zhu Yin have been determined in a silicon carbide­rich sample of the Murchison carbonaceous chondrite, using carbide, silicon nitride, and various refractory oxides (e.g., Zinner 1998). Grains of silicon carbide (Si

Lee, Cin-Ty Aeolus

171

Total Break of the -IC Signature Scheme Pierre-Alain Fouque1  

E-Print Network [OSTI]

- analysis of multivariate schemes and have lead to the efficient break of SFLASH in practice. In this work- signature scheme recently proposed at PKC 2007. This cryptosystem is a multivariate scheme based on a new internal quadratic primitive which avoids some drawbacks of previous multivari- ate schemes: the scheme

Fouque, Pierre-Alain

172

Structural Signature of Plastic Deformation in Metallic Glasses H. L. Peng,1,2  

E-Print Network [OSTI]

Structural Signature of Plastic Deformation in Metallic Glasses H. L. Peng,1,2 M. Z. Li,2,* and W the degree of local fivefold symmetry (LFFS) as the structural indicator to predict plastic deformation of local structures and find that the plastic events prefer to be initiated in regions with a lower degree

Wang, Wei Hua

173

Electrical signature analysis (ESA) developments at the Oak Ridge Diagnostics Applied Research Center  

SciTech Connect (OSTI)

Since 1985, researchers at the Oak Ridge National Laboratory (ORNL) have developed and patented several novel signal conditioning and signature analysis methods that have exploited the intrinsic abilities of conventional electric motors and generators to act as transducers. By using simple nonintrusive sensors such as clamp-on current and voltage probes, these new diagnostic techniques provide an improved means of detecting small time-dependent load and speed variations generated anywhere within an electromechanical system and converting them into revealing signatures that can be used to detect equipment degradation and incipient failures. These developments have been grouped under the general name of electrical signature analysis (ESA) and together provide a breakthrough in the ability to detect, analyze, and correct unwanted changes in process conditions or the presence of abnormalities in electrical and electromechanical equipment. Typical diagnostic information provided by ESA is comparable to that provided by conventional vibration analysis in that both time waveform and frequency spectrum signatures may be produced. The primary benefit of ESA is that an extensive range of diagnostic information can be obtained from a single transducer that may be installed several hundred feet or more from the monitored device on its electrical lines supplying input power (e.g., to a motor) or carrying output power (e.g., from a generator); thus, ESA is truly remote and nonintrusive.

Haynes, H.D. [Oak Ridge National Lab., TN (United States). Diagnostics Applied Research Center

1995-07-01T23:59:59.000Z

174

Attack on Private Signature Keys of the OpenPGP format, PGPTM  

E-Print Network [OSTI]

- 1 - Attack on Private Signature Keys of the OpenPGP format, PGPTM programs and other applications Prague, t.rosa@decros.cz Abstract. The article describes an attack on OpenPGP format, which leads these applications must undergo the same revision as the actual program PGPTM . The success of the attack

175

The Search for Supernova Signatures in an Ice Core A. L. Colea  

E-Print Network [OSTI]

, Michigan State University, East Lansing, MI 48824 b Physics and Astronomy Departments, The Ohio StateThe Search for Supernova Signatures in an Ice Core A. L. Colea , R. N. Boydb , M. E. Davisc , L. G University, Columbus, OH 43210 c Byrd Polar Research Center and Department of Geological Sciences, The Ohio

Howat, Ian M.

176

Fusion of Visual and Thermal Signatures with Eyeglass Removal for Robust Face Recognition  

E-Print Network [OSTI]

Fusion of Visual and Thermal Signatures with Eyeglass Removal for Robust Face Recognition Jingu Heo, eyeglasses, which block thermal energy, are detected from thermal images and replaced with an eye template temperatures caused by physical exercise or ambient temperatures. Eyeglasses may result in loss of useful

Abidi, Mongi A.

177

Signatures of the Protein Folding Pathway in Two-Dimensional Ultraviolet Spectroscopy  

E-Print Network [OSTI]

Signatures of the Protein Folding Pathway in Two-Dimensional Ultraviolet Spectroscopy Jun Jiang of the signals provides a quantitative marker of protein folding status, accessible by both theoretical calculations and experiments. SECTION: Biophysical Chemistry and Biomolecules Protein folding is an important

Mukamel, Shaul

178

Subsurface mass transport affects the radioxenon signatures that are used to identify clandestine nuclear tests  

E-Print Network [OSTI]

nuclear tests J. D. Lowrey,1 S. R. Biegalski,1 A. G. Osborne,1 and M. R. Deinert1 Received 14 September can provide critical information with which to verify that a belowground nuclear test has taken place and decay rate. The xenon signature of a nuclear test is then bounded by the signal from directly produced

Deinert, Mark

179

Phenomenological solar signature in 400 years of reconstructed Northern Hemisphere temperature record  

E-Print Network [OSTI]

Phenomenological solar signature in 400 years of reconstructed Northern Hemisphere temperature sensitivity model to solar changes (Scafetta and West, 2005, 2006). The phenomenological approach we propose­1100 AD) to the 17th century minimum. Citation: Scafetta, N., and B. J. West (2006), Phenomenological

Scafetta, Nicola

180

Phenomenological reconstructions of the solar signature in the Northern Hemisphere surface temperature records since 1600  

E-Print Network [OSTI]

Phenomenological reconstructions of the solar signature in the Northern Hemisphere surface; accepted 5 June 2007; published 3 November 2007. [1] A phenomenological thermodynamic model is adopted since 1900. Citation: Scafetta, N., and B. J. West (2007), Phenomenological reconstructions of the solar

Scafetta, Nicola

Note: This page contains sample records for the topic "logan sholar signature" 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

Blind HIBE and its Applications to Identity-Based Blind Signature and Blind Decryption  

E-Print Network [OSTI]

Blind HIBE and its Applications to Identity-Based Blind Signature and Blind Decryption Le Trieu Phong and Wakaha Ogata July 29, 2008 Abstract We explicitly describe and analyse blind hierachical identity-based encryption (blind HIBE) schemes, which are natural generalizations of blind IBE schemes [20

182

LETTER doi:10.1038/nature12156 Signature of ocean warming in global fisheries catch  

E-Print Network [OSTI]

LETTER doi:10.1038/nature12156 Signature of ocean warming in global fisheries catch William W. L changes in sea surface temperature5 . This study shows that ocean warming has already affected global. Cheung1 , Reg Watson2 & Daniel Pauly3 Marine fishes and invertebrates respond to ocean warming through

Pauly, Daniel

183

IDENTIFYING ICE HYDROMETEOR SIGNATURES ABOVE SUMMIT, GREENLAND USING A MULTI-INSTRUMENT APPROACH  

E-Print Network [OSTI]

IDENTIFYING ICE HYDROMETEOR SIGNATURES ABOVE SUMMIT, GREENLAND USING A MULTI. These retrievals, however, may be adversely affected by ice hydrometeors commonly observed in mixed phase clouds. Research on the effect of ice hydrometeors on the microwave signal is insufficient. We establish that ice

Wisconsin at Madison, University of

184

Chemical Signatures of and Precursors to Fractures Using Fluid Inclusion Stratigraphy  

SciTech Connect (OSTI)

Enhanced Geothermal Systems (EGS) are designed to recover heat from the subsurface by mechanically creating fractures in subsurface rocks. Open or recently closed fractures would be more susceptible to enhancing the permeability of the system. Identifying dense fracture areas as well as large open fractures from small fracture systems will assist in fracture stimulation site selection. Geothermal systems are constantly generating fractures (Moore, Morrow et al. 1987), and fluids and gases passing through rocks in these systems leave small fluid and gas samples trapped in healed microfractures. These fluid inclusions are faithful records of pore fluid chemistry. Fluid inclusions trapped in minerals as the fractures heal are characteristic of the fluids that formed them, and this signature can be seen in fluid inclusion gas analysis. This report presents the results of the project to determine fracture locations by the chemical signatures from gas analysis of fluid inclusions. With this project we hope to test our assumptions that gas chemistry can distinguish if the fractures are open and bearing production fluids or represent prior active fractures and whether there are chemical signs of open fracture systems in the wall rock above the fracture. Fluid Inclusion Stratigraphy (FIS) is a method developed for the geothermal industry which applies the mass quantification of fluid inclusion gas data from drill cuttings and applying known gas ratios and compositions to determine depth profiles of fluid barriers in a modern geothermal system (Dilley, 2009; Dilley et al., 2005; Norman et al., 2005). Identifying key gas signatures associated with fractures for isolating geothermal fluid production is the latest advancement in the application of FIS to geothermal systems (Dilley and Norman, 2005; Dilley and Norman, 2007). Our hypothesis is that peaks in FIS data are related to location of fractures. Previous work (DOE Grant DE-FG36-06GO16057) has indicated differences in the chemical signature of fluid inclusions between open and closed fractures as well as differences in the chemical signature of open fractures between geothermal systems. Our hypothesis is that open fracture systems can be identified by their FIS chemical signature; that there are differences based on the mineral assemblages and geology of the system; and that there are chemical precursors in the wall rock above open, large fractures. Specific goals for this project are: (1) To build on the preliminary results which indicate that there are differences in the FIS signatures between open and closed fractures by identifying which chemical species indicate open fractures in both active geothermal systems and in hot, dry rock; (2) To evaluate the FIS signatures based on the geology of the fields; (3) To evaluate the FIS signatures based on the mineral assemblages in the fracture; and (4) To determine if there are specific chemical signatures in the wall rock above open, large fractures. This method promises to lower the cost of geothermal energy production in several ways. Knowledge of productive fractures in the boreholes will allow engineers to optimize well production. This information can aid in well testing decisions, well completion strategies, and in resource calculations. It will assist in determining the areas for future fracture enhancement. This will develop into one of the techniques in the 'tool bag' for creating and managing Enhanced Geothermal Systems.

Lorie M. Dilley

2011-03-30T23:59:59.000Z

185

Signatures and Methods for the Automated Nondestructive Assay of UF6 Cylinders at Uranium Enrichment Plants  

SciTech Connect (OSTI)

International Atomic Energy Agency (IAEA) inspectors currently perform periodic inspections at uranium enrichment plants to verify UF6 cylinder enrichment declarations. Measurements are typically performed with handheld high-resolution sensors on a sampling of cylinders taken to be representative of the facilitys entire cylinder inventory. These measurements are time-consuming, expensive, and assay only a small fraction of the total cylinder volume. An automated nondestructive assay system capable of providing enrichment measurements over the full volume of the cylinder could improve upon current verification practices in terms of manpower and assay accuracy. Such a station would use sensors that can be operated in an unattended mode at an industrial facility: medium-resolution scintillators for gamma-ray spectroscopy (e.g., NaI(Tl)) and moderated He-3 neutron detectors. This sensor combination allows the exploitation of additional, more-penetrating signatures beyond the traditional 185-keV emission from U-235: neutrons produced from F-19(?,n) reactions (spawned primarily from U 234 alpha emission) and high-energy gamma rays (extending up to 8 MeV) induced by neutrons interacting in the steel cylinder. This paper describes a study of these non-traditional signatures for the purposes of cylinder enrichment verification. The signatures and the radiation sensors designed to collect them are described, as are proof-of-principle cylinder measurements and analyses. Key sources of systematic uncertainty in the non-traditional signatures are discussed, and the potential benefits of utilizing these non-traditional signatures, in concert with an automated form of the traditional 185-keV-based assay, are discussed.

Smith, Leon E.; Mace, Emily K.; Misner, Alex C.; Shaver, Mark W.

2010-08-08T23:59:59.000Z

186

Genomic Sequence or Signature Tags (GSTs) from the Genome Group at Brookhaven National Laboratory (BNL)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

Genomic Signature Tags (GSTs) are the products of a method we have developed for identifying and quantitatively analyzing genomic DNAs. The DNA is initially fragmented with a type II restriction enzyme. An oligonucleotide adaptor containing a recognition site for MmeI, a type IIS restriction enzyme, is then used to release 21-bp tags from fixed positions in the DNA relative to the sites recognized by the fragmenting enzyme. These tags are PCR-amplified, purified, concatenated and then cloned and sequenced. The tag sequences and abundances are used to create a high resolution GST sequence profile of the genomic DNA. [Quoted from Genomic Signature Tags (GSTs): A System for Profiling Genomic DNA, Dunn, John J.; McCorkle, Sean R.; Praissman, Laura A.; Hind, Geoffrey; Van der Lelie, Daniel; Bahou, Wadie F.; Gnatenko, Dmitri V.; Krause, Maureen K., Revised 9/13/2002

Dunn, John J.; McCorkle, Sean R.; Praissman, Laura A.; Hind, Geoffrey; Van der Lelie, Daniel; Bahou, Wadie F.; Gnatenko, Dmitri V.; Krause, Maureen K.

187

Electromagnetic signatures of far-field gravitational radiation in the 1+3 approach  

E-Print Network [OSTI]

Gravitational waves from astrophysical sources can interact with background electromagnetic fields, giving rise to distinctive and potentially detectable electromagnetic signatures. In this paper, we study such interactions for far-field gravitational radiation using the 1+3 approach to relativity. Linearised equations for the electromagnetic field on perturbed Minkowski space are derived and solved analytically. The inverse Gertsenshtein conversion of gravitational waves in a static electromagnetic field is rederived, and the resultant electromagnetic radiation is shown to be significant for highly magnetised pulsars in compact binary systems. We also obtain a variety of nonlinear interference effects for interacting gravitational and electromagnetic waves, although wave-wave resonances previously described in the literature are absent when the electric-magnetic self-interaction is taken into account. The fluctuation and amplification of electromagnetic energy flux as the gravitational wave strength increases towards the gravitational-electromagnetic frequency ratio is a possible signature of gravitational radiation from extended astrophysical sources.

Alvin J. K. Chua; Priscilla Caizares; Jonathan R. Gair

2014-12-06T23:59:59.000Z

188

Estimation of the Performance of Multiple Active Neutron Interrogation Signatures for Detecting Shielded HEU  

SciTech Connect (OSTI)

A comprehensive modeling study has been carried out to evaluate the utility of multiple active neutron interrogation signatures for detecting shielded highly enriched uranium (HEU). The modeling effort focused on varying HEU masses from 1 kg to 20 kg; varying types of shields including wood, steel, cement, polyethylene, and borated polyethylene; varying depths of the HEU in the shields, and varying engineered shields immediately surrounding the HEU including steel, tungsten, and cadmium. Neutron and gamma-ray signatures were the focus of the study and false negative detection probabilities versus measurement time were used as a performance metric. To facilitate comparisons among different approaches an automated method was developed to generate receiver operating characteristic (ROC) curves for different sets of model variables for multiple background count rate conditions. This paper summarizes results or the analysis, including laboratory benchmark comparisons between simulations and experiments. The important impact engineered shields can play towards degrading detectability and methods for mitigating this will be discussed.

David L. Chichester; Scott J. Thompson; Scott M. Watson; James T. Johnson; Edward H. Seabury

2012-10-01T23:59:59.000Z

189

CHEMICAL SIGNATURE OF TWO PERMIAN VOLCANIC ASH DEPOSITS WITHIN A BENTONITE BED FROM MELO, URUGUAY  

E-Print Network [OSTI]

, URUGUAY L. CALARGE1,2,4 ; A. MEUNIER1* ; B. LANSON3 and M. L.L. FORMOSO4 2 ­ Liane Maria Calarge; Alain-layer minerals, Uruguay 5- CHEMICAL SIGNATURE OF TWO BENTONITE DEPOSITS 6 ­ Academic Section: EARTH SCIENCES 7, URUGUAY L. CALARGE1,2,4 ; A. MEUNIER1* ; B. LANSON3 and M. L. FORMOSO4 1 ­ Universidade Católica Dom Bosco

Paris-Sud XI, Université de

190

Prediction of buried mine-like target radar signatures using wideband electromagnetic modeling  

SciTech Connect (OSTI)

Current ground penetrating radars (GPR) have been tested for land mine detection, but they have generally been costly and have poor performance. Comprehensive modeling and experimentation must be done to predict the electromagnetic (EM) signatures of mines to access the effect of clutter on the EM signature of the mine, and to understand the merit and limitations of using radar for various mine detection scenarios. This modeling can provide a basis for advanced radar design and detection techniques leading to superior performance. Lawrence Livermore National Laboratory (LLNL) has developed a radar technology that when combined with comprehensive modeling and detection methodologies could be the basis of an advanced mine detection system. Micropower Impulse Radar (MIR) technology exhibits a combination of properties, including wideband operation, extremely low power consumption, extremely small size and low cost, array configurability, and noise encoded pulse generation. LLNL is in the process of developing an optimal processing algorithm to use with the MIR sensor. In this paper, we use classical numerical models to obtain the signature of mine-like targets and examine the effect of surface roughness on the reconstructed signals. These results are then qualitatively compared to experimental data.

Warrick, A.L.; Azevedo, S.G.; Mast, J.E.

1998-04-06T23:59:59.000Z

191

Angular Signatures of Dark Matter in the Diffuse Gamma Ray Spectrum  

SciTech Connect (OSTI)

Dark matter annihilating in our Galaxy's halo and elsewhere in the universe is expected to generate a diffuse flux of gamma rays, potentially observable with next generation satellite-based experiments, such as GLAST. In this article, we study the signatures of dark matter in the angular distribution of this radiation. Pertaining to the extragalactic contribution, we discuss the effect of the motion of the solar system with respect to the cosmological rest frame, and anisotropies due to the structure of our local universe. For the gamma ray flux from dark matter in our own Galactic halo, we discuss the effects of the offset position of the solar system, the Compton-Getting effect, the asphericity of the Milky Way halo, and the signatures of nearby substructure. We explore the prospects for the detection of these features by the GLAST satellite and find that, if {approx} 10% or more of the diffuse gamma ray background observed by EGRET is the result of dark matter annihilations, then GLAST should be sensitive to anisotropies down to the 0.1% level. Such precision would be sufficient to detect many, if not all, of the signatures discussed in this paper.

Hooper, Dan; Serpico, Pasquale D.; /Fermilab

2007-02-01T23:59:59.000Z

192

A Statistical Model for Generating a Population of Unclassified Objects and Radiation Signatures Spanning Nuclear Threats  

SciTech Connect (OSTI)

This report describes an approach for generating a simulated population of plausible nuclear threat radiation signatures spanning a range of variability that could be encountered by radiation detection systems. In this approach, we develop a statistical model for generating random instances of smuggled nuclear material. The model is based on physics principles and bounding cases rather than on intelligence information or actual threat device designs. For this initial stage of work, we focus on random models using fissile material and do not address scenarios using non-fissile materials. The model has several uses. It may be used as a component in a radiation detection system performance simulation to generate threat samples for injection studies. It may also be used to generate a threat population to be used for training classification algorithms. In addition, we intend to use this model to generate an unclassified 'benchmark' threat population that can be openly shared with other organizations, including vendors, for use in radiation detection systems performance studies and algorithm development and evaluation activities. We assume that a quantity of fissile material is being smuggled into the country for final assembly and that shielding may have been placed around the fissile material. In terms of radiation signature, a nuclear weapon is basically a quantity of fissile material surrounded by various layers of shielding. Thus, our model of smuggled material is expected to span the space of potential nuclear weapon signatures as well. For computational efficiency, we use a generic 1-dimensional spherical model consisting of a fissile material core surrounded by various layers of shielding. The shielding layers and their configuration are defined such that the model can represent the potential range of attenuation and scattering that might occur. The materials in each layer and the associated parameters are selected from probability distributions that span the range of possibilities. Once an object is generated, its radiation signature is calculated using a 1-dimensional deterministic transport code. Objects that do not make sense based on physics principles or other constraints are rejected. Thus, the model can be used to generate a population of spectral signatures that spans a large space, including smuggled nuclear material and nuclear weapons.

Nelson, K; Sokkappa, P

2008-10-29T23:59:59.000Z

193

Security analysis of boolean algebra based on Zhang-Wang digital signature scheme  

SciTech Connect (OSTI)

In 2005, Zhang and Wang proposed an improvement signature scheme without using one-way hash function and message redundancy. In this paper, we show that this scheme exits potential safety concerns through the analysis of boolean algebra, such as bitwise exclusive-or, and point out that mapping is not one to one between assembly instructions and machine code actually by means of the analysis of the result of the assembly program segment, and which possibly causes safety problems unknown to the software.

Zheng, Jinbin, E-mail: jbzheng518@163.com [School of Mathematics and Computer Science, Long Yan University, Longyan 364012 (China)

2014-10-06T23:59:59.000Z

194

Dilepton as a Possible Signature for the Baryon-Rich Quark-Gluon Plasma  

E-Print Network [OSTI]

PHYSICAL REVIE%' C VOLUME 41, NUMBER 2 FEBRUARY 1990 Dilepton as a possible signature for the baryon-rich quark-gluon plasma L. H. Xia, ' C. M. Ko, and C. T. Li Cyclotron Institute and Center for Theoretical Physics, Texas A&M University, College... to the dilepton yield at invariant masses between 2m?and 1 GeV. The total dilepton yield in this invariant mass region increases with the incident energy of the collision, but a saturation is seen once a baryon-rich quark-gluon plasma is formed in the initial...

Xia, L. H.; Ko, Che Ming; Li, C. T.

1990-01-01T23:59:59.000Z

195

Cloud signatures of six cases of cyclogenesis in the Gulf of Mexico  

E-Print Network [OSTI]

of Mexico was made and was modeled after the Saucier study. The data used were extracted from the Climatological Data, National Summary (CDNS). Cyclones that origi- nated in the specified region, 20-30'N and 80-100'W, were tabulated for 17 a 20 y period...CLOUD SIGNATURES OF SIX CASES OF CYCLOGENESIS IN THE GULF OF MEXICO A Thesis by DANNY R. POPHIN Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirement for the degree of MASTER OF SCIENCE August...

Pophin, Danny R

1979-01-01T23:59:59.000Z

196

Apparatus and method for rapid detection of explosives residue from the deflagration signature thereof  

DOE Patents [OSTI]

Apparatus and method are disclosed for rapid detection of explosives residue from the deflagration signature thereof. A property inherent to most explosives is their stickiness, resulting in a strong tendency of explosive particulate to contaminate the environment of a bulk explosive. An apparatus for collection of residue particulate, burning the collected particulate, and measurement of the ultraviolet emission produced thereby, is described. The present invention can be utilized for real-time screening of personnel, cars, packages, suspected devices, etc., and provides an inexpensive, portable, and noninvasive means for detecting explosives. 4 figs.

Funsten, H.O.; McComas, D.J.

1999-06-15T23:59:59.000Z

197

Finding new signature effects on galactic dynamics to constrain Bose-Einstein-condensed cold dark matter  

E-Print Network [OSTI]

If cosmological cold dark matter (CDM) consists of light enough bosonic particles that their phase-space density exceeds unity, they will comprise a Bose-Einstein condensate (BEC). The nature of this BEC-CDM as a quantum fluid may then distinguish it dynamically from the standard form of CDM involving a collisionless gas of non-relativistic particles that interact purely gravitationally. We summarize some of the dynamical properties of BEC-CDM that may lead to observable signatures in galactic halos and present some of the bounds on particle mass and self-interaction coupling strength that result from a comparison with observed galaxies.

Tanja Rindler-Daller; Paul R. Shapiro

2014-04-17T23:59:59.000Z

198

Embedding a chaotic signature in a periodic train: can periodic signals be chaotic?  

E-Print Network [OSTI]

We show how a chaotic system can be locked to emit a periodic waveform belonging to its chaotic attractor. We numerically demonstrate our idea in a system composed of a semiconductor laser driven to chaos by optical feedback from a short external cavity. The clue is the injection of an appropriate periodic signal that modulates the phase and amplitude of the intra-cavity radiation, a chaotic analogy of conventional mode-locking. The result is a time process that manifests a chaotic signature embedded in a long-scale periodic train.

Antonio Mecozzi; Cristian Antonelli

2008-12-11T23:59:59.000Z

199

Motor current signature analysis for determining operational readiness of motor-operated valves (MOVs)  

SciTech Connect (OSTI)

Motor current signature analysis (MCSA) is a novel diagnostic process for condition monitoring of electric-motor-driven mechanical equipment (e.g., pumps, motor-operated valves, compressors, and processing machinery). The MCSA process identifies, characterizes, and trends over time the instantaneous load variations of mechanical equipment in order to diagnose changes in the condition of the equipment (e.g., due to degradation or service wear), which, if allowed to continue, may lead to failure. It monitors the instantaneous variations (noise content) in the electric current flowing through the power leads to the electric motor that drives the equipment. The motor itself thereby acts as a transducer, sensing both large and small, long-term and rapid, mechanical load variations and converting them to variations in the induced current generated in the motor windings. This motor current noise signature is detected, amplified, and further processed as needed to examine its time domain and frequency domain (spectral) characteristics. The operational principles of MCSA and the nonintrusive data collection apparatus and procedure used with MOVs will be described. Data collected from MOVs in both laboratory and in-plant environments will also be shown to illustrate the ability of MCSA to ''see'' the detailed inner workings of the valve and operator and thus to detect degraded performance at an incipient stage. (Set of 18 vugraphs)

Kryter, R.C.; Haynes, H.D.

1987-01-01T23:59:59.000Z

200

Calcite precipitation dominates the electrical signatures of zero valent iron columns under simulated field conditions  

SciTech Connect (OSTI)

Calcium carbonate is a secondary mineral precipitate influencing zero valent iron (ZVI) barrier reactivity and hydraulic performance. We conducted column experiments to investigate electrical signatures resulting from concurrent CaCO{sub 3} and iron oxides precipitation under simulated field geochemical conditions. We identified CaCO{sub 3} as a major mineral phase throughout the columns, with magnetite present primarily close to the influent based on XRD analysis. Electrical measurements revealed decreases in conductivity and polarization of both columns, suggesting that electrically insulating CaCO{sub 3} dominates the electrical response despite the presence of electrically conductive iron oxides. SEM/EDX imaging suggests that the electrical signal reflects the geometrical arrangement of the mineral phases. CaCO{sub 3} forms insulating films on ZVI/magnetite surfaces, restricting charge transfer between the pore electrolyte and ZVI particles, as well as across interconnected ZVI particles. As surface reactivity also depends on the ability of the surface to engage in redox reactions via charge transfer, electrical measurements may provide a minimally invasive technology for monitoring reactivity loss due to CaCO{sub 3} precipitation. Comparison between laboratory and field data shows consistent changes in electrical signatures due to iron corrosion and secondary mineral precipitation.

Wu, Yuxin; Versteeg, R.; Slater, L.; LaBrecque, D.

2009-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "logan sholar signature" from the National Library of EnergyBeta (NLEBeta).
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We encourage you to perform a real-time search of NLEBeta
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201

Investigation of Magnetic Signatures and Microstructures for Heat-Treated Ferritic/Martensitic HT-9 Alloy  

SciTech Connect (OSTI)

There is increased interest in improved methods for in-situ nondestructive interrogation of materials for nuclear reactors in order to ensure reactor safety and quantify material degradation (particularly embrittlement) prior to failure. Therefore, a prototypical ferritic/martensitic alloy, HT-9, of interest to the nuclear materials community was investigated to assess microstructure effects on micromagnetics measurements Barkhausen noise emission, magnetic hysteresis measurements, and first-order reversal curve analysis for samples with three different heat-treatments. Microstructural and physical measurements consisted of high-precision density, resonant ultrasound elastic constant determination, Vickers microhardness, grain size, and texture. These were varied in the HT-9 alloy samples and related to various magnetic signatures. In parallel, a meso-scale microstructure model was created for alpha iron and effects of polycrystallinity and demagnetization factor were explored. It was observed that Barkhausen noise emission decreased with increasing hardness and decreasing grain size (lath spacing) while coercivity increased. The results are discussed in terms of the use of magnetic signatures for nondestructive interrogation of radiation damage and other microstructural changes in ferritic/martensitic alloys.

Henager, Charles H.; McCloy, John S.; Ramuhalli, Pradeep; Edwards, Danny J.; Hu, Shenyang Y.; Li, Yulan

2013-05-01T23:59:59.000Z

202

Signatures of photon and axion-like particle mixing in the gamma-ray burst jet  

E-Print Network [OSTI]

Photons couple to Axion-Like Particles (ALPs) or more generally to any pseudo Nambu-Goldstone boson in the presence of an external electromagnetic field. Mixing between photons and ALPs in the strong magnetic field of a Gamma-Ray Burst (GRB) jet during the prompt emission phase can leave observable imprints on the gamma-ray polarization and spectrum. Mixing in the intergalactic medium is not expected to modify these signatures for ALP mass > 10^(-14) eV and/or for gamma ray emission. We also show that when the magnetic field orientation in the propagation region is perpendicular to the field orientation in the production region, the observed synchrotron spectrum becomes steeper than the theoretical prediction and as detected in a sizable fraction of GRB sample. Detection of the correlated polarization and spectral signatures from these steep-spectrum GRBs by gamma-ray polarimeters can be a very powerful probe to discover ALPs. Measurement of gamma-ray polarization from GRBs in general, with high statistics, can also be useful to search for ALPs.

Olga Mena; Soebur Razzaque; F. Villaescusa-Navarro

2011-02-07T23:59:59.000Z

203

An Approach for Assessing the Signature Quality of Various Chemical Assays when Predicting the Culture Media Used to Grow Microorganisms  

SciTech Connect (OSTI)

We demonstrate an approach for assessing the quality of a signature system designed to predict the culture medium used to grow a microorganism. The system was comprised of four chemical assays designed to identify various ingredients that could be used to produce the culture medium. The analytical measurements resulting from any combination of these four assays can be used in a Bayesian network to predict the probabilities that the microorganism was grown using one of eleven culture media. We evaluated combinations of the signature system by removing one or more of the assays from the Bayes network. We measured and compared the quality of the various Bayes nets in terms of fidelity, cost, risk, and utility, a method we refer to as Signature Quality Metrics

Holmes, Aimee E.; Sego, Landon H.; Webb-Robertson, Bobbie-Jo M.; Kreuzer, Helen W.; Anderson, Richard M.; Unwin, Stephen D.; Weimar, Mark R.; Tardiff, Mark F.; Corley, Courtney D.

2013-02-01T23:59:59.000Z

204

First measurement of the Head-Tail directional nuclear recoil signature at energies relevant to WIMP dark matter searches  

E-Print Network [OSTI]

We present first evidence for the so-called Head-Tail asymmetry signature of neutron-induced nuclear recoil tracks at energies down to 1.5 keV/amu using the 1m^3 DRIFT-IIc dark matter detector. This regime is appropriate for recoils induced by Weakly Interacting Massive Particle (WIMPs) but one where the differential ionization is poorly understood. We show that the distribution of recoil energies and directions induced here by Cf-252 neutrons matches well that expected from massive WIMPs. The results open a powerful new means of searching for a galactic signature from WIMPs.

S. Burgos; E. Daw; J. Forbes; C. Ghag; M. Gold; C. Hagemann; V. A. Kudryavtsev; T. B. Lawson; D. Loomba; P. Majewski; D. Muna; A. StJ. Murphy; G. G. Nicklin; S. M. Paling; A. Petkov; S. J. S. Plank; M. Robinson; N. Sanghi; D. P. Snowden-Ifft; N. J. C. Spooner; J. Turk; E. Tziaferi

2008-09-10T23:59:59.000Z

205

Neutrinos from Stellar Collapse: Comparison of signatures in water and heavy water detectors  

E-Print Network [OSTI]

Signatures of neutrino and antineutrino signals from stellar collapse in heavy water detectors are contrasted with those in water detectors. The effects of mixing, especially due to the highly dense matter in the supernova core, are studied. The mixing parameters used are those sets allowed by current understanding of available neutrino data: from solar, atmospheric and laboratory neutrino experiments. Signals at a heavy water detector, especially the dominant charged current reactions on deuteron, are very sensitive to some of these sets of allowed mixing parameters. Theoretical uncertainties on supernova neutrino spectra notwithstanding, a combination of supernova measurements with water and heavy water detectors may be able to distinguish many of these mixing possibilities and thus help in ruling out many of them.

Gautam Dutta; D. Indumathi; M. V. N. Murthy; G. Rajasekaran

2001-06-29T23:59:59.000Z

206

Terahertz spectral signatures :measurement and detection LDRD project 86361 final report.  

SciTech Connect (OSTI)

LDRD Project 86361 provided support to upgrade the chemical and material spectral signature measurement and detection capabilities of Sandia National Laboratories using the terahertz (THz) portion of the electromagnetic spectrum, which includes frequencies between 0.1 to 10 THz. Under this project, a THz time-domain spectrometer was completed. This instrument measures sample absorption spectra coherently, obtaining both magnitude and phase of the absorption signal, and has shown an operating signal-to-noise ratio of 10{sub 4}. Additionally, various gas cells and a reflectometer were added to an existing high-resolution THz Fourier transform spectrometer, which greatly extend the functionality of this spectrometer. Finally, preliminary efforts to design an integrated THz transceiver based on a quantum cascade laser were begun.

Wanke, Michael Clement; Brener, Igal; Lee, Mark

2005-11-01T23:59:59.000Z

207

On signatures for the Littlest Higgs model in electron-positron colliders  

E-Print Network [OSTI]

There is a recent proposal of identifying the Higgs particle of the Standard Model as a pseudo Nambu-Goldstone boson. This new broken symmetry introduces new particles and new interactions. Among these new interactions a central role to get a new physics is played by the new neutral gauge boson. We have studied the new neutral currents in the Littlest Higgs model and compared with other extended models. For high energy $e^+ + e^-$ colliders we present a clear signature for new neutral gauge bosons that can indicate the theoretical origin of these particles. Previous analysis by other authors were done at collider energies equal to the new gauge boson mass $M_{A_H}$. In this paper we show that asymmetries in fermion anti-fermion production can display model differences in the case $M_{A_H} > \\sqrt{s}$. For $M_{A_H} New bounds for the new neutral gauge boson masses are also presented.

F. M. L. de Almeida Jr.; Y. A. Coutinho; J. A. Martins Simes; A. J. Ramalho; S. Wulck; M. A. B. do Vale

2006-07-27T23:59:59.000Z

208

The Landscape of Sparticle Mass Hierarchies and Their Signature Space at the LHC  

E-Print Network [OSTI]

The minimal supersymmetric standard model with soft breaking has a large landscape of supersymmetric particle mass hierarchies. This number is reduced significantly in well-motivated scenarios such as minimal supergravity and alternatives. We carry out an analysis of the landscape for the first four lightest particles and identify at least 16 mass patterns, and provide benchmarks for each. We study the signature space for the patterns at the CERN Large Hadron Collider by analyzing the lepton + (jet $\\geq 2$) + missing $P_T$ signals with 0, 1, 2 and 3 leptons. Correlations in missing $P_T$ are also analyzed. It is found that even with 10 fb$^{-1}$ of data a significant discrimination among patterns emerges

Daniel Feldman; Zuowei Liu; Pran Nath

2008-01-02T23:59:59.000Z

209

Neutrino halos in clusters of galaxies and their weak lensing signature  

SciTech Connect (OSTI)

We study whether non-linear gravitational effects of relic neutrinos on the development of clustering and large-scale structure may be observable by weak gravitational lensing. We compute the density profile of relic massive neutrinos in a spherical model of a cluster of galaxies, for several neutrino mass schemes and cluster masses. Relic neutrinos add a small perturbation to the mass profile, making it more extended in the outer parts. In principle, this non-linear neutrino perturbation is detectable in an all-sky weak lensing survey such as EUCLID by averaging the shear profile of a large fraction of the visible massive clusters in the universe, or from its signature in the general weak lensing power spectrum or its cross-spectrum with galaxies. However, correctly modeling the distribution of mass in baryons and cold dark matter and suppressing any systematic errors to the accuracy required for detecting this neutrino perturbation is severely challenging.

Villaescusa-Navarro, Francisco; Pea-Garay, Carlos [IFIC, Universidad de Valencia-CSIC, E-46071, Valencia (Spain); Miralda-Escud, Jordi [Instituci Catalana de Recerca i Estudis Avanats, Passeig Llus Companys, 23, 08010-Barcelona (Spain); Quilis, Vicent, E-mail: villa@ific.uv.es, E-mail: miralda@icc.ub.es, E-mail: penya@ific.uv.es, E-mail: vicent.quilis@uv.es [Departamento de Astronomia y Astrofsica, Universidad de Valencia, C/ Dr. Moliner, 50, E-46100, Burjassot, Valencia (Spain)

2011-06-01T23:59:59.000Z

210

TIDAL TAIL EJECTION AS A SIGNATURE OF TYPE Ia SUPERNOVAE FROM WHITE DWARF MERGERS  

SciTech Connect (OSTI)

The merger of two white dwarfs may be preceded by the ejection of some mass in ''tidal tails,'' creating a circumstellar medium around the system. We consider the variety of observational signatures from this material, which depend on the lag time between the start of the merger and the ultimate explosion (assuming one occurs) of the system in a Type Ia supernova (SN Ia). If the time lag is fairly short, then the interaction of the supernova ejecta with the tails could lead to detectable shock emission at radio, optical, and/or X-ray wavelengths. At somewhat later times, the tails produce relatively broad NaID absorption lines with velocity widths of the order of the white dwarf escape speed ({approx}1000 km s{sup -1}). That none of these signatures have been detected in normal SNe Ia constrains the lag time to be either very short ({approx}< 100 s) or fairly long ({approx}> 100 yr). If the tails have expanded and cooled over timescales {approx}10{sup 4} yr, then they could be observable through narrow NaID and Ca II H and K absorption lines in the spectra, which are seen in some fraction of SNe Ia. Using a combination of three-dimensional and one-dimensional hydrodynamical codes, we model the mass loss from tidal interactions in binary systems, and the subsequent interactions with the interstellar medium, which produce a slow-moving, dense shell of gas. We synthesize NaID line profiles by ray casting through this shell, and show that in some circumstances tidal tails could be responsible for narrow absorptions similar to those observed.

Raskin, Cody; Kasen, Daniel [Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA (United States)

2013-07-20T23:59:59.000Z

211

Precursory signatures of protein folding/unfolding: From time series correlation analysis to atomistic mechanisms  

SciTech Connect (OSTI)

Folded conformations of proteins in thermodynamically stable states have long lifetimes. Before it folds into a stable conformation, or after unfolding from a stable conformation, the protein will generally stray from one random conformation to another leading thus to rapid fluctuations. Brief structural changes therefore occur before folding and unfolding events. These short-lived movements are easily overlooked in studies of folding/unfolding for they represent momentary excursions of the protein to explore conformations in the neighborhood of the stable conformation. The present study looks for precursory signatures of protein folding/unfolding within these rapid fluctuations through a combination of three techniques: (1) ultrafast shape recognition, (2) time series segmentation, and (3) time series correlation analysis. The first procedure measures the differences between statistical distance distributions of atoms in different conformations by calculating shape similarity indices from molecular dynamics simulation trajectories. The second procedure is used to discover the times at which the protein makes transitions from one conformation to another. Finally, we employ the third technique to exploit spatial fingerprints of the stable conformations; this procedure is to map out the sequences of changes preceding the actual folding and unfolding events, since strongly correlated atoms in different conformations are different due to bond and steric constraints. The aforementioned high-frequency fluctuations are therefore characterized by distinct correlational and structural changes that are associated with rate-limiting precursors that translate into brief segments. Guided by these technical procedures, we choose a model system, a fragment of the protein transthyretin, for identifying in this system not only the precursory signatures of transitions associated with ? helix and ? hairpin, but also the important role played by weaker correlations in such protein folding dynamics.

Hsu, P. J.; Lai, S. K., E-mail: sklai@coll.phy.ncu.edu.tw [Complex Liquids Laboratory, Department of Physics, National Central University, Chungli 320 Taiwan (China); Molecular Science and Technology Program, Taiwan International Graduate Program, Academia Sinica, Taipei 115, Taiwan (China); Cheong, S. A. [Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371 (Singapore)

2014-05-28T23:59:59.000Z

212

AGREEMENT FOR MOBILE TECHNOLOGY ACCESS AND My signature on the "Mobile Technology Access and Payment Option Request"  

E-Print Network [OSTI]

AGREEMENT FOR MOBILE TECHNOLOGY ACCESS AND ALLOWANCE My signature on the "Mobile Technology Access and conditions identified in the Access to Mobile Technology and the Payment Options for Mobile Technology policies [http://hr.uoregon.edu/policy/MobileTechnologyDevice.html]. 2. I understand that that I must

Oregon, University of

213

CDF note 10798 Seach for the SM Higgs boson in the ET +b-jets signature with relaxed  

E-Print Network [OSTI]

CDF note 10798 Seach for the SM Higgs boson in the ET +b-jets signature with relaxed kinematic cuts) We present a search for the Higgs boson produced in association with a Z or W boson in the ET +b the Higgs boson signal from the remaining background. We check the goodness of our background modeling

Fermilab

214

Texas sea breeze: fact or fiction? : an investigation of Texas climate records for a sea-land breeze signature  

E-Print Network [OSTI]

to the region near the coast. The manner in which temperature, humidity, and wind should behave is influenced by the sea-land breeze on the climatic scale is first established. As a whole the coastal stations show varying amounts of evidence of a signature...

Ostermeier, Gregory

2013-02-22T23:59:59.000Z

215

On-chip methane sensing by near-IR absorption signatures in a photonic crystal slot waveguide  

E-Print Network [OSTI]

On-chip methane sensing by near-IR absorption signatures in a photonic crystal slot waveguide Wei­Lambert law for the detection of methane gas. The device combines slow light in a PC waveguide with high absorption path length. A methane concentration of 100 ppm (parts per million) in nitrogen was measured

Chen, Ray

216

Electromagnetic Signature Technique as a Promising Tool to Verify Nuclear Weapons Storage and Dismantlement under a Nuclear Arms Control Regime  

SciTech Connect (OSTI)

The 2010 ratification of the New START Treaty has been widely regarded as a noteworthy national security achievement for both the Obama administration and the Medvedev-Putin regime, but deeper cuts are envisioned under future arms control regimes. Future verification needs will include monitoring the storage of warhead components and fissile materials and verifying dismantlement of warheads, pits, secondaries, and other materials. From both the diplomatic and technical perspectives, verification under future arms control regimes will pose new challenges. Since acceptable verification technology must protect sensitive design information and attributes, non-nuclear non-sensitive signatures may provide a significant verification tool without the use of additional information barriers. The use of electromagnetic signatures to monitor nuclear material storage containers is a promising technology with the potential to fulfill these challenging requirements. Research performed at Pacific Northwest National Laboratory (PNNL) has demonstrated that low frequency electromagnetic signatures of sealed metallic containers can be used to confirm the presence of specific components on a yes/no basis without revealing classified information. Arms control inspectors might use this technique to verify the presence or absence of monitored items, including both nuclear and non-nuclear materials. Although additional research is needed to study signature aspects such as uniqueness and investigate container-specific scenarios, the technique potentially offers a rapid and cost-effective tool to verify reduction and dismantlement of U.S. and Russian nuclear weapons.

Bunch, Kyle J.; Williams, Laura S.; Jones, Anthony M.; Ramuhalli, Pradeep

2012-08-01T23:59:59.000Z

217

Mineralogical signature of nonsulfide zinc ores at Accha (Peru): A key for recovery Maria Boni a,b,  

E-Print Network [OSTI]

Mineralogical signature of nonsulfide zinc ores at Accha (Peru): A key for recovery Maria Boni a 14 October 2009 Keywords: Nonsulfide zinc Mineralogy Petrography Processing Flowsheet The Accha deposit in Southern Peru is the first case in which an integrated study between mineralogy, petrography

Boni, Maria

218

Infrared 3-4 Micron Spectroscopy of Infrared Luminous Galaxies with Possible Signatures of Obscured Active Galactic Nuclei  

E-Print Network [OSTI]

We present the results of infrared 2.8-4.1 micron (L-band) spectroscopy of nearby infrared luminous galaxies with possible signatures of dust-obscured active galactic nuclei (AGNs) in data at other wavelengths. The samples are chosen to include sources with a radio excess relative to far-infrared emission, strong absorption features in mid-infrared 5-11.5 micron spectra, unusually weak [CII] 158 micron emission relative to the far-infrared continuum, and radio galaxies classified optically as narrow-line objects. Our aim is to investigate whether the signatures of possible obscured AGNs can be detected in our L-band spectra, based on the strengths of emission and absorption features. Six of nine observed sources clearly show 3.3 micron polycyclic aromatic hydrocarbon (PAH) emission features, a good starburst indicator. An absorption feature at 3.1 micron due to ice-covered dust is detected in IRAS 04154+1755 and IRAS 17208-0014. The signature of a bare carbonaceous dust absorption feature at 3.4 micron is seen in NGC 1377. Our L-band spectra reveal strong signatures of obscured AGNs in all three optical Seyfert 2 galaxies (IRAS 04154+1755, Cygnus A, and 3C 234), and two galaxies classified optically as non-Seyferts (NGC 828 and NGC 1377). Among the remaining optical non-Seyferts, IRAS 17208-0014 might also show a buried AGN signature, whereas no explicit AGN evidence is seen in the L-band spectra of the mid-infrared absorption-feature source IRAS 15250+3609, and two weak [CII] emitters IC 860 and CGCG 1510.8+0725.

Masatoshi Imanishi

2006-02-10T23:59:59.000Z

219

Searching for isovector signatures in the neutron-rich oxygen and calcium isotopes  

E-Print Network [OSTI]

We search for potential isovector signatures in the neutron-rich oxygen and calcium isotopes within the framework of a relativistic mean-field theory with an exact treatment of pairing correlations. To probe the isovector sector we calibrate a few relativistic density functionals using the same isoscalar constraints but with one differing isovector assumption. It is found that under certain conditions, the isotopic chain in oxygen can be made to terminate at the experimentally observed ${}^{24}$O isotope and in the case of the calcium isotopes at ${}^{60}$Ca. To produce such behavior, the resulting symmetry energy must be soft, with predicted values for the symmetry energy and its slope at saturation density being $J\\!=\\!(30.92\\pm0.47)$ MeV and $L\\!=\\!(51.0\\pm1.5)$ MeV, respectively. As a consequence, the neutron-skin thickness of ${}^{208}$Pb is rather small: $R_{\\rm skin}^{208}\\!=\\!(0.161\\pm0.011)$ fm. This same model - labelled "FSUGarnet" - predicts $R_{1.4}\\!=\\!(13.1\\pm0.1)$ km for the radius of a "canonical" 1.4$M_{\\odot}$ neutron star, yet is also able to support a two-solar-mass neutron star.

Wei-Chia Chen; J. Piekarewicz

2015-03-10T23:59:59.000Z

220

The Signature of Primordial Grain Growth in the Polarized Light of the AU Mic Debris Disk  

E-Print Network [OSTI]

We have used the Hubble Space Telescope/ACS coronagraph to make polarization maps of the AU Mic debris disk. The fractional linear polarization rises monotonically from about 0.05 to 0.4 between 20 and 80 AU. The polarization is perpendicular to the disk, indicating that the scattered light originates from micron sized grains in an optically thin disk. Disk models, which simultaneously fit the surface brightness and polarization, show that the inner disk (< 40-50 AU) is depleted of micron-sized dust by a factor of more than 300, which means that the disk is collision dominated. The grains have high maximum linear polarization and strong forward scattering. Spherical grains composed of conventional materials cannot reproduce these optical properties. A Mie/Maxwell-Garnett analysis implicates highly porous (91-94%) particles. In the inner Solar System, porous particles form in cometary dust, where the sublimation of ices leaves a "bird's nest" of refractory organic and silicate material. In AU Mic, the grain porosity may be primordial, because the dust "birth ring" lies beyond the ice sublimation point. The observed porosities span the range of values implied by laboratory studies of particle coagulation by ballistic cluster-cluster aggregation. To avoid compactification, the upper size limit for the parent bodies is in the decimeter range, in agreement with theoretical predictions based on collisional lifetime arguments. Consequently, AU Mic may exhibit the signature of the primordial agglomeration process whereby interstellar grains first assembled to form macroscopic objects.

James R. Graham; Paul G. Kalas; Brenda C. Matthews

2006-09-12T23:59:59.000Z

Note: This page contains sample records for the topic "logan sholar signature" 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

Spectroscopic signatures of proton transfer dynamics in the water dimer cation  

SciTech Connect (OSTI)

Using full dimensional EOM-IP-CCSD/aug-cc-pVTZ potential energy surfaces, the photoelectron spectrum, vibrational structure, and ionization dynamics of the water dimer radical cation, (H2O)+2, were computed. We also report an experimental photoelectron spectrum which is derived from photoionization efficiency measurements and compares favorably with the theoretical spectrum. The vibrational structure is also compared with the recent experimental work of Gardenier et al. [J. Phys. Chem. A 113, 4772 (2009)] and the recent theoretical calculations by Cheng et al. [J. Phys. Chem. A 113 13779 (2009)]. A reduced dimensionality nuclear Hamiltonian was used to compute the ionization dynamics for both the ground state and first excited state of the cation. The dynamics show markedly different behavior and spectroscopic signatures depending on which state of the cation is accessed by the ionization. Ionization to the ground-state cation surface induces a hydrogen transfer which is complete within 50 femtoseconds, whereas ionization to the first excited state results in a much slower process.

Kamarchik, Eugene; Kostko, Oleg; Bowman, Joel M.; Ahmed, Musahid; Krylov, Anna I.

2009-12-21T23:59:59.000Z

222

Star Formation Signatures in the Condensation Downstream of HH 80N  

E-Print Network [OSTI]

HH80N is one of the Herbig-Haro objects that have associated quiescent dense clumps. We report CO and CS BIMA observations that reveal star formation within the HH80N dense clump. The CO emission reveals clearly a bipolar molecular outflow centered on the dense clump. The CS emission traces a ring-like structure of radius ~0.24 pc. The CS kinematics shows that the ring is collapsing with an infall speed of ~0.6 km/s. The required mass to produce the collapse is in agreement with previous ammonia observations of the 20 solar mass core, which is embedded within the CS structure. However, we cannot discard that the ring structure is expanding driven by protostellar winds, if the CS abundance if unusually high and the CO momentum rate is much higher than that measured, due to inclination and optical depth effects. The properties of the molecular outflow and of the dense core suggest that it harbors a Class 0 object. There are also signatures of interaction of the HH 80/81/80N outflow with the dense gas. In particular it is possible that the HH 80/81/80N outflow has triggered or at least speed up the star formation in this region.

J. M. Girart; R. Estalella; S. Viti; D. A. Williams; P. T. P Ho

2001-10-02T23:59:59.000Z

223

Star Formation Signatures in the Condensation Downstream of HH 80N  

E-Print Network [OSTI]

HH80N is one of the Herbig-Haro objects that have associated quiescent dense clumps. We report CO and CS BIMA observations that reveal star formation within the HH80N dense clump. The CO emission reveals clearly a bipolar molecular outflow centered on the dense clump. The CS emission traces a ring-like structure of radius ~0.24 pc. The CS kinematics shows that the ring is collapsing with an infall speed of ~0.6 km/s. The required mass to produce the collapse is in agreement with previous ammonia observations of the 20 solar mass core, which is embedded within the CS structure. However, we cannot discard that the ring structure is expanding driven by protostellar winds, if the CS abundance if unusually high and the CO momentum rate is much higher than that measured, due to inclination and optical depth effects. The properties of the molecular outflow and of the dense core suggest that it harbors a Class 0 object. There are also signatures of interaction of the HH 80/81/80N outflow with the dense gas. In partic...

Girart, J M; Viti, S; Williams, D A; Ho, P T P

2001-01-01T23:59:59.000Z

224

Seismic signatures of the Lodgepole fractured reservoir in Utah-Wyoming overthrust belt  

SciTech Connect (OSTI)

In low porosity, low permeability zones, natural fractures are the primary source of permeability which affect both production and injection of fluids. The open fractures do not contribute much to porosity, but they provide an increased drainage network to any porosity. An important approach to characterizing the fracture orientation and fracture permeability of reservoir formations is one based upon the effects of such conditions on the propagation of acoustic and seismic waves in the rock. We present the feasibility of using seismic measurement techniques to map the fracture zones between wells spaced 2400 ft at depths of about 1000 ft. For this purpose we constructed computer models (which include azimuthal anisotropy) using Lodgepole reservoir parameters to predict seismic signatures recorded at the borehole scale, crosswell scale, and 3 D seismic scale. We have integrated well logs with existing 2D surfaces seismic to produce petrophysical and geological cross sections to determine the reservoir parameters and geometry for the computer models. In particular, the model responses are used to evaluate if surface seismic and crosswell seismic measurements can capture the anisotropy due to vertical fractures. Preliminary results suggested that seismic waves transmitted between two wells will propagate in carbonate fracture reservoirs, and the signal can be received above the noise level at the distance of 2400 ft. In addition, the large velocities contrast between the main fracture zone and the underlying unfractured Boundary Ridge Member, suggested that borehole reflection imaging may be appropriate to map and fracture zone thickness variation and fracture distributions in the reservoir.

Parra, J.; Collier, H.; Angstman, B.

1997-08-01T23:59:59.000Z

225

Signature of deconfinement with spin down compression in cooling hybrid stars  

E-Print Network [OSTI]

The thermal evolution of neutron stars is coupled to their spin down and the resulting changes in structure and chemical composition. This coupling correlates stellar surface temperatures with rotational state as well as time. We report an extensive investigation of the coupling between spin down and cooling for hybrid stars which undergo a phase transition to deconfined quark matter at the high densities present in stars at low rotation frequencies. The thermal balance of neutron stars is re-analyzed to incorporate phase transitions and the related latent heat self-consistently, and numerical calculations are undertaken to simultaneously evolve the stellar structure and temperature distribution. We find that the changes in stellar structure and chemical composition with the introduction of a pure quark matter phase in the core delay the cooling and produce a period of increasing surface temperature for strongly superfluid stars of strong and intermediate magnetic field strength. The latent heat of deconfinement is found to reinforce this signature if quark matter is superfluid and it can dominate the thermal balance during the formation of a pure quark matter core. At other times it is less important and does not significantly change the thermal evolution.

Morten Stejner; Fridolin Weber; Jes Madsen

2009-04-05T23:59:59.000Z

226

Spectral signatures of photosynthesis II: coevolution with other stars and the atmosphere on extrasolar worlds  

E-Print Network [OSTI]

As photosynthesis on Earth produces the primary signatures of life that can be detected astronomically at the global scale, a strong focus of the search for extrasolar life will be photosynthesis, particularly photosynthesis that has evolved with a different parent star. We take planetary atmospheric compositions simulated by Segura, et al. (2003, 2005) for Earth-like planets around observed F2V and K2V stars, modeled M1V and M5V stars, and around the active M4.5V star AD Leo; our scenarios use Earth's atmospheric composition as well as very low O2 content in case anoxygenic photosynthesis dominates. We calculate the incident spectral photon flux densities at the surface of the planet and under water. We identify bands of available photosynthetically relevant radiation and find that photosynthetic pigments on planets around F2V stars may peak in absorbance in the blue, K2V in the red-orange, and M stars in the NIR, in bands at 0.93-1.1 microns, 1.1-1.4 microns, 1.5-1.8 microns, and 1.8-2.5 microns. In addition, we calculate wavelength restrictions for underwater organisms and depths of water at which they would be protected from UV flares in the early life of M stars. We estimate the potential productivity for both surface and underwater photosynthesis, for both oxygenic and anoxygenic photosynthesis, and for hypothetical photosynthesis in which longer wavelength, multi-photosystem series are used.

Nancy Y. Kiang; Antigona Segura; Giovanna Tinetti; Govindjee; Robert E. Blankenship; Martin Cohen; Janet Siefert; David Crisp; Victoria S. Meadows

2007-01-12T23:59:59.000Z

227

Solvent Extraction of Chemical Attribution Signature Compounds from Painted Wall Board: Final Report  

SciTech Connect (OSTI)

This report summarizes work that developed a robust solvent extraction procedure for recovery of chemical attribution signature (CAS) compound dimethyl methyl phosphonate (DMMP) (as well as diethyl methyl phosphonate (DEMP), diethyl methyl phosphonothioate (DEMPT), and diisopropyl methyl phosphonate (DIMP)) from painted wall board (PWB), which was selected previously as the exposed media by the chemical attribution scientific working group (CASWG). An accelerated solvent extraction approach was examined to determine the most effective method of extraction from PWB. Three different solvent systems were examined, which varied in solvent strength and polarity (i.e., 1:1 dichloromethane : acetone,100% methanol, and 1% isopropanol in pentane) with a 1:1 methylene chloride : acetone mixture having the most robust and consistent extraction for four original target organophosphorus compounds. The optimum extraction solvent was determined based on the extraction efficiency of the target analytes from spiked painted wallboard as determined by gas chromatography x gas chromatography mass spectrometry (GCxGC-MS) analysis of the extract. An average extraction efficiency of approximately 60% was obtained for these four compounds. The extraction approach was further demonstrated by extracting and detecting the chemical impurities present in neat DMMP that was vapor-deposited onto painted wallboard tickets.

Wahl, Jon H.; Colburn, Heather A.

2009-10-29T23:59:59.000Z

228

Searching for isovector signatures in the neutron-rich oxygen and calcium isotopes  

E-Print Network [OSTI]

We search for potential isovector signatures in the neutron-rich oxygen and calcium isotopes within the framework of a relativistic mean-field theory with an exact treatment of pairing correlations. To probe the isovector sector we calibrate a few relativistic density functionals using the same isoscalar constraints but with one differing isovector assumption. It is found that under certain conditions, the isotopic chain in oxygen can be made to terminate at the experimentally observed ${}^{24}$O isotope. In the case of the calcium isotopes, the drip line is predicted to be reached beyond ${}^{60}$Ca. To produce such behavior, the resulting symmetry energy must be soft, with predicted values for the symmetry energy and its slope at saturation density being $J\\!=\\!(30.92\\pm0.47)$ MeV and $L\\!=\\!(51.0\\pm1.5)$ MeV, respectively. As a consequence, the neutron-skin thickness of ${}^{208}$Pb is rather small: $R_{\\rm skin}^{208}\\!=\\!(0.161\\pm0.011)$ fm. This same model - labelled "FSUGarnet" - predicts $R_{1.4}\\!=\\!(13.1\\pm0.1)$ km for the radius of a "canonical" 1.4$M_{\\odot}$ neutron star, yet is also able to support a two-solar-mass neutron star.

Wei-Chia Chen; J. Piekarewicz

2014-12-25T23:59:59.000Z

229

Galactic-bursts signatures in Antarctica 10Be spectra reveal cosmogenesis of climate switching  

E-Print Network [OSTI]

A very strong period of 3592+-57 yrs in 10Be deposition rates from Vostok ice core raw data was detected and verified against concentration raw data at Taylor Dome and Vostok. Data show Hallstadzeit Solar cycle at 2296+-57 yrs, and indicate LaViolette period at 12500 yrs. The 99% confidence Gauss Vanicek spectral analysis was used, making data alteration avoidable thus enabling data separation that reflected cosmic ray background conditions at Galactic boundary. After the separation only the new period remains and converges, hence it is of extrasolar and Galactic origin. Since dominant spectral peaks from 10Be can only be explained by excesses in cosmic ray influx, the discovered signature indicates bursts occurring regularly in a single source. Based on recent sky surveys, Galactic Core makes the best candidate host for the bursts. A previously reported 3600 yrs period in geomagnetic field declinations means the discovered phase can overpower astronomical magnetic fields at distances such as Galactic Core to Earth. The epoch of the most recent 10Be maximum is estimated as 1085+-57, coinciding with 1054 to 1056 alleged account of Crab supernova. The next maximum 10Be on Earth is predicted in year 4463+-57, meaning Earth climate alternates due to geophysical or nonsolar cosmic forcing.

M. Omerbashich

2009-12-16T23:59:59.000Z

230

Evaluation of multi-brush anode systems in microbial fuel cells Vanessa Lanas, Bruce E. Logan  

E-Print Network [OSTI]

on performance was studied in terms of carbon fiber length (brush diameter), the number of brushes connected (You et al., 2007), carbon cloth (Wang et al., 2009), and activated carbon fiber felt (Zhu et al., 2011 27 August 2013 Available online 5 September 2013 Keywords: Microbial fuel cell Carbon brush anode

231

Observation and analysis of departure operations at Boston Logan International Airport  

E-Print Network [OSTI]

In order to support the development of improved methods for departure operations, the flow constraints and their causalities --primarily responsible for inefficiencies and delays-- need to be identified. This thesis is an ...

Idris, Husni Rifat

2001-01-01T23:59:59.000Z

232

Observation and Analysis of Departure Planning Operations at Boston Logan International Airport  

E-Print Network [OSTI]

The Departure Planner (DP) is a concept for a decision-aiding tool that is aimed at improving the departure operations performance at major congested airports. In order to support the development of the DP tool, the flow ...

Idris, Husni R.

2011-10-14T23:59:59.000Z

233

Professor of Civil and Environmental Engineering, Utah State University, Logan Utah, 84322-8200.  

E-Print Network [OSTI]

Flow Coefficient (gallons/in-min-lb1/2 ), independent of line size d Inside pipe diameter at valve NOMENCLATURE The following symbols were used in this paper: Cv Flow Coefficient (gallons-in/min-lb1/2 ) Cv/d2 choking cavitation parameter (dimensionless) P1 Upstream pressure of the valve/orifice (psia) P2

Rahmeyer, William J.

234

MEMORANDUM To: United States Department of Energy From: Erica Logan, Information Technology Industry Council  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of Inspector General Office0-72.pdfGeorgeDoesn't HappenLow-Cost Production Ex parte2,RE: Ex ParteTO: FROM: To:

235

Energy Conservation Design Features of the ARCO Metals Logan County Aluminum Process Complex  

E-Print Network [OSTI]

. The protective atmosphere in these furnaces is provided by nitrogen from an electric powered air separation unit thereby eliminating the use natural gas to produce exothermic gas. These furnaces will also use variable speed fan drives to minimize cycle time...

Speer, J. A.

1983-01-01T23:59:59.000Z

236

MEMORANDUM To: United States Department of Energy From: Erica Logan, Information Technology Industry Council  

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 RankCombustion | Department of Energy Low-Temperature CombustionGlass MECS- -August 1,MayJune24 MarchJune

237

Logan Daum > Analyst - DC Energy > Center Alumni > The Energy Materials  

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-SeriesFlickrinformationPostdocsCenterCentera A B C D E F GSecurityLogCenter at

238

Erasure of Time Delay Signatures in the Output of an Optoelectronic Feedback Laser with Modulated Delays and Chaos Synchronization  

E-Print Network [OSTI]

By studying the autocorrelation function of the optoelectronic feedback semiconductor laser output we establish that the signatures of time delays can be erased in systems incorporating modulated feedback time delays. This property is of importance for the suitability of such laser systems for secure chaos-based communication systems. We also make the first report on chaos synchronization in both unidirectionally and bidirectionally coupled multiple time delay chaotic semiconductor lasers with modulated optoelectronic feedbacks.

E. M. Shahverdiev; K. A. Shore

2009-06-17T23:59:59.000Z

239

2 Solar flare signatures of the ionospheric GPS total electron content 3 J. Y. Liu,1,2  

E-Print Network [OSTI]

2 Solar flare signatures of the ionospheric GPS total electron content 3 J. Y. Liu,1,2 C. H. Lin,1, ionospheric solar flare effects on the total electron content (TEC) and 7 associated time rate of change (r. The occurrence times and 9 locations of 11 solar flares are isolated from the 1­8 A° X-ray radiations of the 10

Chen, Yuh-Ing

240

Signature of the coronal hole near the north crest equatorial anomaly over Egypt during the strong geomagnetic storm  

E-Print Network [OSTI]

Signature of the coronal hole near the north crest equatorial anomaly over Egypt during the strong hole effect. We use multi-instruments as SCINDA-GPS station at Helwan, Egypt (29.86 N, 31.32 E) and ASW-MAGDAS station at Aswan, Egypt (23.59 N, 32.51 E) in the equatorial region. At the beginning of the storm our

Paris-Sud XI, Université de

Note: This page contains sample records for the topic "logan sholar signature" 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

An Energy Signature Scheme for Steam Trap Assessment and Flow Rate Estimation Using Pipe-Induced Acoustic Measurements  

SciTech Connect (OSTI)

The US Congress has passed legislation dictating that all government agencies establish a plan and process for improving energy efficiencies at their sites. In response to this legislation, Oak Ridge National Laboratory (ORNL) has recently conducted a pilot study to explore the deployment of a wireless sensor system for a real-time measurement-based energy efficiency optimization framework within the steam distribution system within the ORNL campus. We make assessments on the real-time status of the distribution system by observing the state measurements of acoustic sensors mounted on the steam pipes/traps/valves. In this paper, we describe a spectral-based energy signature scheme that interprets acoustic vibration sensor data to estimate steam flow rates and assess steam traps health status. Experimental results show that the energy signature scheme has the potential to identify different steam trap health status and it has sufficient sensitivity to estimate steam flow rate. Moreover, results indicate a nearly quadratic relationship over the test region between the overall energy signature factor and flow rate in the pipe. The analysis based on estimated steam flow and steam trap status helps generate alerts that enable operators and maintenance personnel to take remedial action. The goal is to achieve significant energy-saving in steam lines by monitoring and acting on leaking steam pipes/traps/valves.

Olama, Mohammed M [ORNL; Allgood, Glenn O [ORNL; Kuruganti, Phani Teja [ORNL; Lake, Joe E [ORNL

2012-01-01T23:59:59.000Z

242

JOURNAL OF GEOPHYSICAL RESEARCH: ATMOSPHERES, VOL. 118, 34863494, doi:10.1002/jgrd.50339, 2013 The signature of the stratospheric Brewer-Dobson circulation  

E-Print Network [OSTI]

The signature of the stratospheric Brewer-Dobson circulation in tropospheric clouds Ying Li1 and David W. J Collins, Colorado 80523, USA. (yingli@atmos.colostate.edu) ©2013. American Geophysical Union. All Rights

243

The l[subscript 1]-l[subscript 2] regularization framework unmasks the hypoxia signature hidden in the transcriptome of a set of heterogeneous neuroblastoma cell lines  

E-Print Network [OSTI]

Background: Gene expression signatures are clusters of genes discriminating different statuses of the cells and their definition is critical for understanding the molecular bases of diseases. The identification of a gene ...

Varesio, Luigi

244

Signatures of charge inhomogeneities in the infrared spectra of topological insulators Bi This article has been downloaded from IOPscience. Please scroll down to see the full text article.  

E-Print Network [OSTI]

Signatures of charge inhomogeneities in the infrared spectra of topological insulators Bi 2 Se 3.1088/0953-8984/25/7/075501 Signatures of charge inhomogeneities in the infrared spectra of topological insulators Bi2Se3, Bi2Te3 and Sb2/075501 Abstract We present the results of an infrared spectroscopy study of topological insulators Bi2Se3, Bi2Te3

Dordevic, Sasha V.

245

Particle signatures of magnetic topology at the magnetopause: AMPTE/CCE observations  

SciTech Connect (OSTI)

Electron distributions at energies above 50 eV have been found to be a sensitive indicator of magnetic topology for magnetopause crossings of the AMPTE/CCE spacecraft. Progressing from the magnetosheath to the magnetosphere two abrupt transitions occur. First, the magnetosheath electron population directed either parallel or antiparallel to the magnetic field is replaced by a streaming, heated magnetosheath electron population. The other half of the distribution is unchanged. The region with unidirectional, heated magnetosheath electrons is identified as the magnetosheath boundary layer (MSBL). Second, the unheated magnetosheath electron population is replaced by a heated population nearly identical to the population encountered in the MSBL, resulting in a symmetric counterstreaming distribution. The region populated by the bidirectional heated magnetosheath electrons is identified as the low-latitude boundary layer (LLBL). The MSBL and LLBL identified by the electron transitions are the same as the regions identified using ion composition measurements. The magnetosheath-MSBL transition reflects a change in magnetic topology from a solar wind field line to one that threads the magnetopause, and the existence of a magnetosheath-MSBL transition implies that the magnetopause is open. When the current layer is easily identified, the MSBL-LLBL transition coincides with the magnetopause current layer, indicating that the magnetosheath electrons are heated in the current layer. Both magnetosheath-MSBL and MSBL-LLBL transitions are observed for low as well as high magnetic shears. Moreover, the transitions are particularly clear for low shear implying that magnetic topology boundaries are sharp even when abrupt changes in the field and other plasma parameters are absent. These observations are consistent with quasi-steady, high-latitude reconnection and indicate that the signatures of this reconnection geometry are commonly present in the subsolar region. 32 refs., 10 figs.

Fuselier, S.A. [Lockheed Palo Alto Lab., CA (United States)] [Lockheed Palo Alto Lab., CA (United States); Anderson, B.J. [Johns Hopkins Univ., Laurel, MD (United States)] [Johns Hopkins Univ., Laurel, MD (United States); Onsager, T.G. [Univ. of New Hampshire, Durham, NH (United States)] [Univ. of New Hampshire, Durham, NH (United States)

1995-07-01T23:59:59.000Z

246

NON-CONTACT ACOUSTO-THERMAL SIGNATURES OF PLASTIC DEFORMATION IN TI-6AL-4V  

SciTech Connect (OSTI)

Plastic deformation introduces changes in a material which include increases in: dislocations, strains, residual stress, and yield stress. However, these changes have a very small impact on the material properties such as elastic modulus, conductivity and ultrasonic wave speed. This is due to the fact that interatomic forces govern these properties, and they are not affected by plastic deformation to any large degree. This is evident from the fact that the changes in electrical resistance and ultrasonic velocity in plastically deformed and virgin samples are very small and can only be determined by highly controlled experiments. Except for X-ray diffraction, there are no direct nondestructive methods for measuring strain and the residual stress. This paper presents an application of the non-contact acousto-thermal signature (NCATS) NDE methodology to detect plastic deformation in flat dog bone Ti-6Al-4V samples. Results of the NCATS measurements on samples subjected to incremental amounts of plastic deformation are presented. The maximum temperature attained by the sample due to acoustic excitation is found to be sensitive to the amount of plastic strain. It is observed that the temperature induced by acoustic excitation increases to a peak followed by a decrease to failure. The maximum temperature peak occurs at plastic strains of 12-14%. It is observed that there is a correlation between the peak in maximum temperature rise and the strain at the experimentally determined ultimate tensile strength. A microstructural based explanation for this will be presented. The results are discussed in reference to utilizing this technique for detection and evaluation of plastic deformation.

Welter, J. T.; Jata, K. V.; Blodgett, M. P. [Materials and Manufacturing Directorate, Nondestructive Evaluation Branch Wright-Patterson AFB, OH 45433 (United States); Malott, G. [SOCHE, 3155 Research Blvd, Dayton, OH 45420 (United States); Schehl, N.; Sathish, S. [Structural Integrity Division, University of Dayton Research Institute, Dayton, OH 45469 (United States)

2010-02-22T23:59:59.000Z

247

A PER-BASELINE, DELAY-SPECTRUM TECHNIQUE FOR ACCESSING THE 21 cm COSMIC REIONIZATION SIGNATURE  

SciTech Connect (OSTI)

A critical challenge in measuring the power spectrum of 21 cm emission from cosmic reionization is compensating for the frequency dependence of an interferometer's sampling pattern, which can cause smooth-spectrum foregrounds to appear unsmooth and degrade the separation between foregrounds and the target signal. In this paper, we present an approach to foreground removal that explicitly accounts for this frequency dependence. We apply the delay transformation introduced in Parsons and Backer to each baseline of an interferometer to concentrate smooth-spectrum foregrounds within the bounds of the maximum geometric delays physically realizable on that baseline. By focusing on delay modes that correspond to image-domain regions beyond the horizon, we show that it is possible to avoid the bulk of smooth-spectrum foregrounds. We map the point-spread function of delay modes to k-space, showing that delay modes that are uncorrupted by foregrounds also represent samples of the three-dimensional power spectrum, and can be used to constrain cosmic reionization. Because it uses only spectral smoothness to differentiate foregrounds from the targeted 21 cm signature, this per-baseline analysis approach relies on spectrally and spatially smooth instrumental responses for foreground removal. For sufficient levels of instrumental smoothness relative to the brightness of interfering foregrounds, this technique substantially reduces the level of calibration previously thought necessary to detect 21 cm reionization. As a result, this approach places fewer constraints on antenna configuration within an array, and in particular, facilitates the adoption of configurations that are optimized for power-spectrum sensitivity. Under these assumptions, we demonstrate the potential for the Precision Array for Probing the Epoch of Reionization (PAPER) to detect 21 cm reionization at an amplitude of 10 mK{sup 2} near k {approx} 0.2 h Mpc{sup -1} with 132 dipoles in 7 months of observing.

Parsons, Aaron R.; Pober, Jonathan C. [Astronomy Department, University of California, Berkeley, CA (United States); Aguirre, James E.; Moore, David F. [Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA (United States); Carilli, Christopher L. [National Radio Astronomy Observatory, Socorro, NM (United States); Jacobs, Daniel C. [School of Earth and Space Exploration, Arizona State University, Tucson, AZ (United States)

2012-09-10T23:59:59.000Z

248

THE SPECTROSCOPIC SIGNATURE OF QUASI-PERIODIC UPFLOWS IN ACTIVE REGION TIMESERIES  

SciTech Connect (OSTI)

Quasi-periodic propagating disturbances are frequently observed in coronal intensity image sequences. These disturbances have historically been interpreted as being the signature of slow-mode magnetoacoustic waves propagating into the corona. The detailed analysis of Hinode EUV Imaging Spectrometer (EIS) timeseries observations of an active region (known to contain propagating disturbances) shows strongly correlated, quasi-periodic, oscillations in intensity, Doppler shift, and line width. No frequency doubling is visible in the latter. The enhancements in the moments of the line profile are generally accompanied by a faint, quasi-periodically occurring, excess emission at {approx}100 km s{sup -1} in the blue wing of coronal emission lines. The correspondence of quasi-periodic excess wing emission and the moments of the line profile indicates that repetitive high-velocity upflows are responsible for the oscillatory behavior observed. Furthermore, we show that the same quasi-periodic upflows can be directly identified in a simultaneous image sequence obtained by the Hinode X-Ray Telescope. These results are consistent with the recent assertion of De Pontieu and McIntosh that the wave interpretation of the data is not unique. Indeed, given that several instances are seen to propagate along the direction of the EIS slit that clearly shows in-phase, quasi-periodic variations of intensity, velocity, width (without frequency doubling), and blue wing enhanced emission, this data set would appear to provide a compelling example that upflows are more likely to be the main cause of the quasi-periodicities observed here, as such correspondences are hard to reconcile in the wave paradigm.

Tian Hui; McIntosh, Scott W. [High Altitude Observatory, National Center for Atmospheric Research, P.O. Box 3000, Boulder, CO 8037 (United States); De Pontieu, Bart, E-mail: htian@ucar.edu, E-mail: mscott@ucar.edu, E-mail: bdp@lmsal.com [Lockheed Martin Solar and Astrophysics Laboratory, 3251 Hanover Street, Org. ADBS, Bldg. 252, Palo Alto, CA 94304 (United States)

2011-02-01T23:59:59.000Z

249

Probing the coupling of heavy dark matter to nucleons by detecting neutrino signature from the Earth core  

E-Print Network [OSTI]

We argue that the detection of neutrino signature from the Earth core is an ideal approach for probing the coupling of heavy dark matter ($m_{\\chi}>10^{4}$ GeV) to nucleons. We first note that direct searches for dark matter (DM) in such a mass range do not provide stringent constraints. Furthermore the energies of neutrinos arising from DM annihilations inside the Sun cannot exceed a few TeV at the Sun surface due to the attenuation effect. Therefore the sensitivity to the heavy DM coupling is lost. Finally, the detection of neutrino signature from galactic halo can only probe DM annihilation cross sections. After presenting the rationale of our studies, we discuss the event rates in IceCube and KM3NeT arising from the neutrino flux produced by annihilations of Earth-captured DM heavier than $10^{4}$ GeV. The IceCube and KM3NeT sensitivities to spin independent DM-proton scattering cross section $\\sigma_{\\chi p}$ and isospin violation effect in this mass range are presented. The implications of our results are also discussed.

Guey-Lin Lin; Yen-Hsun Lin

2014-04-02T23:59:59.000Z

250

Distinguishing Z' signatures and the Littlest Higgs model in e+e- Colliders at sqrt{s} \  

E-Print Network [OSTI]

There is a recent proposal identifying the Higgs particle of the Standard Model as a pseudo Nambu-Goldstone boson. This new broken symmetry introduces new particles and new interactions. Among these new interactions a central role to get a new physics is played by two new heavy neutral gauge bosons. We have studied the two new neutral currents in the Littlest Higgs model and compared with other extended models. For high energy e+e- colliders we present a clear signature for these two new neutral gauge bosons that can indicate the theoretical origin of these particles. Previous analysis by other authors were done at collider energies equal to the new gauge boson mass M_{A_H}. In this paper we show that asymmetries in fermion antifermion production can display model differences in the case M_{A_H} > sqrt{s}. For M_{A_H} gamma + f + anti-f can present a model dependence. For higher energies, the hard photon energy distribution can be a clear signature for both new neutral gauge bosons. New bounds for the new neutral gauge boson masses are also presented.

F. M. L. de Almeida Jr.; Y. A. Coutinho; J. A. Martins Simoes; A. J. Ramalho; S. Wulck; M. A. B. do Vale

2007-02-13T23:59:59.000Z

251

2001: An Airspace Odyssey SUMMARY PROCEEDINGS OF THE 2001 AIRPORT NOISE SYMPOSIUM AND AIRPORT AIR QUALITY SYMPOSIUM  

E-Print Network [OSTI]

at both Boston Logan International Airport and Los AngelesRunway 27 at Boston Logan International Airport. The FAAexpansion of Boston Logan International Airport. The third

Gosling, Geoffrey D.

2001-01-01T23:59:59.000Z

252

Generating day-of-operation probabilistic capacity scenarios from weather forecasts  

E-Print Network [OSTI]

Airport, Boston Logan International Airport, Chicago OHareairports: Boston Logan International Airport (BOS), ChicagoAirport (LAX), Boston Logan International Airport (BOS) and

Buxi, Gurkaran

2012-01-01T23:59:59.000Z

253

A comprehensive analysis of prognostic signatures reveals the high predictive capacity of the Proliferation, Immune response and RNA splicing modules in breast cancer  

E-Print Network [OSTI]

. Micro-array quality-control assessment was carried out using the R AffyPLM package available from the Bioconductor web site. We applied the Relative Log Expression (RLE) and Normalized Unscaled Standard Errors (NUSE) tests. Chip pseudo-images were... prognosis by the gene signatures. Supplementary Figure 3f Distribution of Grade I, II, III samples (Elston Ellis) as a function of the number of times a sample was classified as poor prognosis by the gene signatures. Dark: Grade I. Grey: Grade II, White...

Reyal, Fabien; Van Vliet, Martin H; Armstrong, Nicola J; Horlings, Hugo M; de Visser, Karin E; Kok, Marlen; Teschendorff, Andrew E; Mook, Stella; Van't Veer, Laura J; Caldas, Carlos; Salmon, Remy J; Van de Vijver, Marc J; Wessels, Lodewyk F A

2008-11-13T23:59:59.000Z

254

Search for signatures of magnetically-induced alignment in the arrival directions measured by the Pierre Auger Observatory  

SciTech Connect (OSTI)

We present the results of an analysis of data recorded at the Pierre Auger Observatory in which we search for groups of directionally-aligned events (or ''multiplets'') which exhibit a correlation between arrival direction and the inverse of the energy. These signatures are expected from sets of events coming from the same source after having been deflected by intervening coherent magnetic fields. The observation of several events from the same source would open the possibility to accurately reconstruct the position of the source and also measure the integral of the component of the magnetic field orthogonal to the trajectory of the cosmic rays. We describe the largest multiplets found and compute the probability that they appeared by chance from an isotropic distribution. We find no statistically significant evidence for the presence of multiplets arising from magnetic deflections in the present data.

Abreu, P.; /Lisbon, IST; Aglietta, M.; /Turin U. /INFN, Turin; Ahn, E.J.; /Fermilab; Albuquerque, I.F.M.; /Sao Paulo U.; Allard, D.; /APC, Paris; Allekotte, I.; /Buenos Aires, CONICET; Allen, J.; /New York U.; Allison, P.; /Ohio State U.; Alvarez Castillo, J.; /Mexico U., ICN; Alvarez-Muniz, J.; /Santiago de Compostela U.; Ambrosio, M.; /Naples U. /INFN, Naples /Nijmegen U., IMAPP

2011-11-01T23:59:59.000Z

255

Gamma-Ray Signatures for State-Of-Health Analysis and Monitoring of Widely-Arrayed Radiation Portal Monitor Systems  

SciTech Connect (OSTI)

Pacific Northwest National Laboratory (PNNL) has deployed a large array of radiation portal monitors for the Department of Homeland Security U.S. Customs and Border Protection. These portal monitors scan incoming vehicles crossing the U.S. border and shipping containers leaving international ports for radioactive material via gamma-ray and neutron detection. Data produced and captured by these systems are recorded for every vehicle related to radiation signature, sensor/system status, and local background, as well as a host of other variables. Within the Radiation Portal Monitor Project at PNNL, state-of-health observation and analysis for the whole RPM system using these data to determine functionality and performance is being developed. (PIET-43741-TM-492)

Woodring, Mitchell L.; Ely, James H.; Angel, Linda K.; Wright, Ingrid H.; Eslinger, Melany A.; Pospical, A. Jill; Ellis, John E.

2008-05-15T23:59:59.000Z

256

Double Beta Decay, Lepton Flavour Violation and Collider Signatures of Left-Right Symmetric Models with Spontaneous D Parity Breaking  

E-Print Network [OSTI]

We propose a class of left-right symmetric models (LRSMs) with spontaneous D parity breaking, where SU(2)_R breaks at the TeV scale while discrete left-right symmetry breaks around 10^9 GeV. By embedding this framework in a non-supersymmetric SO(10) Grand Unified Theory (GUT) with Pati-Salam symmetry as the highest intermediate breaking step, we obtain g_R / g_L ~ 0.6 between the right- and left-handed gauge couplings at the TeV scale. This leads to a suppression of beyond the Standard Model phenomena induced by the right-handed gauge coupling. Here we focus specifically on the consequences for neutrinoless double beta decay, low energy lepton flavour violation and LHC signatures due to the suppressed right handed currents. Interestingly, the reduced g_R allows us to interpret an excess of events observed recently in the range of 1.9 TeV to 2.4 TeV by the CMS group at the LHC as the signature of a right handed gauge boson in LRSMs with spontaneous D parity breaking. Moreover, the reduced right-handed gauge coupling also strongly suppresses the non-standard contribution of heavy states to the neutrinoless double beta decay rate as well as the amplitude of low energy lepton flavour violating processes. In a dominant type-II Seesaw mechanism of neutrino mass generation, we find that both sets of observables provide stringent and complimentary bounds which make it challenging to observe the scenario at the LHC.

Frank F. Deppisch; Tomas E. Gonzalo; Sudhanwa Patra; Narendra Sahu; Utpal Sarkar

2014-10-23T23:59:59.000Z

257

Strontium isotopic record of signatures of Holocene fluvial sediments in the Loire valley, France Hydrology and Earth System Sciences, 6(5), 849858 (2002) EGS  

E-Print Network [OSTI]

Strontium isotopic record of signatures of Holocene fluvial sediments in the Loire valley, France 849 Hydrology and Earth System Sciences, 6(5), 849­858 (2002) © EGS Strontium isotopic record for corresponding author: p.negrel@brgm.fr Abstract The distribution of Sr contents and isotopes of strontium Sr

Paris-Sud XI, Université de

258

Generated using version 3.1.2 of the official AMS LATEX template Electric Field Reversal in Sprite Electric Field Signature1  

E-Print Network [OSTI]

Generated using version 3.1.2 of the official AMS LATEX template Electric Field Reversal in Sprite Electric Field Signature1 Richard G. Sonnenfeld Langmuir Laboratory and Physics Department, New Mexico #12;ABSTRACT4 In measurements of the electric field associated with the current of a sprite 450 km

Hager, William

259

REQUEST TO WITHHOLD DIRECTORY INFORMATION (Completed form, with signature, must be mailed, faxed, or delivered to the Office of Registration & Records, Bowling Green State  

E-Print Network [OSTI]

REQUEST TO WITHHOLD DIRECTORY INFORMATION (Completed form, with signature, must be mailed, faxed Act of 1974 (Buckley Amendment). Note: The information items (directory information) listed below may will be released verbally or in printed form (e.g., campus telephone directory) except as provided by law

Moore, Paul A.

260

Northeastern Geology & Environmental Sciences, v. 30, no. 4, 2008, p. 330-343. STABLE ISOTOPE SIGNATURE OF MIDDLE DEVONIAN SEAWATER FROM HAMILTON  

E-Print Network [OSTI]

SIGNATURE OF MIDDLE DEVONIAN SEAWATER FROM HAMILTON GROUP BRACHIOPODS, CENTRAL NEW YORK STATE Bruce Selleck and Drew Koff Department of Geology, 13 Oak Drive, Colgate University, Hamilton, NY 13346; bselleck the Middle Devonian Hamilton Group of Central New York State. The sample set includes multiple specimens

Soja, Constance M.

Note: This page contains sample records for the topic "logan sholar signature" 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

Supervisor's Name ___________________________________ Employee's name _________________________________ Signature ___________________________________________ Signature ________________________________________  

E-Print Network [OSTI]

or system being worked on: Process being evaluated: M Lockout/tagout (Go to Lockout/Tagout below) M Tagout only (Go to Tagout below) M Energized work (Go to Energized Work below) A. Lockout/Tagout A1. Yes M of written lockout procedure if required. (See details on other side.) A7. Yes M No M Did the employee

Wilcock, William

262

Micron-scale D/H heterogeneity in chondrite matrices: a signature of the pristine solar system water?  

E-Print Network [OSTI]

Organic matter and hydrous silicates are intimately mixed in the matrix of chondrites and in-situ determination of their individual D/H ratios is therefore challenging. Nevertheless, the D/H ratio of each pure component in this mixture should yield a comprehensible signature of the origin and evolution of water and organic matter in our solar system. We measured hydrogen isotope ratios of organic and hydrous silicates in the matrices of two carbonaceous chondrites (Orgueil CI1 and Renazzo CR2) and one unequilibrated ordinary chondrite (Semarkona, LL3.0). A novel protocol was adopted, involving NanoSIMS imaging of H isotopes of monoatomatic ($H^-$) and molecular ($OH^-$) secondary ions collected at the same location. This allowed the most enriched component with respect to D to be identified in the mixture. Using this protocol, we found that in carbonaceous chondrites the isotopically homogeneous hydrous silicates are mixed with D-rich organic matter. The opposite was observed in Semarkona. Hydrous silicates i...

Piani, Laurette; Remusat, Laurent

2015-01-01T23:59:59.000Z

263

A ROBUST ABSOLUTE DETECTION EFFICIENCY CALIBRATION METHOD UTILIZING BETA/GAMMA COINCIDENCE SIGNATURES AND ISOTOPICALLY PURIFIED NEUTRON ACTIVATED RADIOXENON ISOTOPES  

SciTech Connect (OSTI)

Efforts to calibrate the absolute efficiency of gas cell radiations detectors have utilized a number of methodologies which allow adequate calibration but are time consuming and prone to a host of difficult-to-determine uncertainties. A method that extrapolates the total source strength from the measured beta and gamma gated beta coincidence signal was developed in the 1960s and 1970s. It has become clear that it is possible to achieve more consistent results across a range of isotopes and a range of activities using this method. Even more compelling is the ease with which this process can be used on routine samples to determine the total activity present in the detector. Additionally, recent advances in the generation of isotopically pure radioxenon samples of Xe-131m, Xe-133, and Xe-135 have allowed these measurement techniques to achieve much better results than would have been possible before when using mixed isotopic radioxenon source. This paper will discuss the beta/gamma absolute detection efficiency technique that utilizes several of the beta-gamma decay signatures to more precisely determine the beta and gamma efficiencies. It will than compare these results with other methods using pure sources of Xe-133, Xe-131m, and Xe-135 and a Xe-133/Xe-133m mix.

McIntyre, Justin I.; Cooper, Matthew W.; Ely, James H.; Haas, Derek A.; Schrom, Brian T.

2012-09-21T23:59:59.000Z

264

Microlensing Event MOA-2007-BLG-400: Exhuming the Buried Signature of a Cool, Jovian-Mass Planet  

E-Print Network [OSTI]

We report the detection of the cool, Jovian-mass planet MOA-2007-BLG-400Lb. The planet was detected in a high-magnification microlensing event (with peak magnification A_max = 628) in which the primary lens transited the source, resulting in a dramatic smoothing of the peak of the event. The angular extent of the region of perturbation due to the planet is significantly smaller than the angular size of the source, and as a result the planetary signature is also smoothed out by the finite source size. Thus the deviation from a single-lens fit is broad and relatively weak (~ few percent). Nevertheless, we demonstrate that the planetary nature of the deviation can be unambiguously ascertained from the gross features of the residuals, and detailed analysis yields a fairly precise planet/star mass ratio of q = 0.0026+/-0.0004, in accord with the large significance (\\Delta\\chi^2=1070) of the detection. The planet/star projected separation is subject to a strong close/wide degeneracy, leading to two indistinguishabl...

Dong, Subo; Gould, A; Kozlowski, Szymon; Miyake, N; Gaudi, B S; Bennett, D P; Abe, F; Gilmore, A C; Fukui, A; Furusawa, K; Hearnshaw, J B; Itow, Y; Kamiya, K; Kilmartin, P M; Korpela, A; Lin, W; Ling, C H; Masuda, K; Matsubara, Y; Muraki, Y; Nagaya, M; Ohnishi, K; Okumura, T; Perrott, Y C; Rattenbury, N; Saito, To; Sako, T; Sato, S; Skuljan, L; Sullivan, D J; Sumi, T; Sweatman, W; Tristram, P J; Yock, P C M; Bolt, G; Christie, G W; De Poy, D L; Han, C; Janczak, J; Lee, C -U; Mallia, F; McCormick, J; Monard, B; Maury, A; Natusch, T; Park, B -G; Pogge, R W; Santallo, R; Stanek, K Z; Udalski, A; Kubiak, M; Szymanski, M K; Pietrzynski, G; Soszynski, I; Szewczyk, O; Wyrzykowski, L; Ulaczyk, K

2008-01-01T23:59:59.000Z

265

Preliminary Evaluation of the Field and Laboratory Emission Cell (FLEC) for Sampling Attribution Signatures from Building Materials  

SciTech Connect (OSTI)

This study provides a preliminary evaluation of the Field and Laboratory Emission Cell (FLEC) for its suitability for sampling building materials for toxic compounds and their associated impurities and residues that might remain after a terrorist chemical attack. Chemical warfare (CW) agents and toxic industrial chemicals were represented by a range of test probes that included CW surrogates. The test probes encompassed the acid-base properties, volatilities, and polarities of the expected chemical agents and residual compounds. Results indicated that dissipation of the test probes depended heavily on the underlying material. Near complete dissipation of almost all test probes occurred from galvanized stainless steel within 3.0 hrs, whereas far stronger retention with concomitant slower release was observed for vinyl composition floor tiles. The test probes displayed immediated permanence on Teflon. FLEC sampling was further evaluated by profiling residues remaining after the evaporation of 2-chloroethyl ethyl sulfide, a sulfur mustard simulant. This study lays the groundwork for the eventual goal of applying this sampling approach for collection of forensic attribution signatures that remain after a terrorist chemical attack.

Harvey, Scott D.; He, Lijian; Wahl, Jon H.

2012-08-30T23:59:59.000Z

266

Microlensing Event MOA-2007-BLG-400: Exhuming the Buried Signature of a Cool, Jovian-Mass Planet  

E-Print Network [OSTI]

We report the detection of the cool, Jovian-mass planet MOA-2007-BLG-400Lb. The planet was detected in a high-magnification microlensing event (with peak magnification A_max = 628) in which the primary lens transited the source, resulting in a dramatic smoothing of the peak of the event. The angular extent of the region of perturbation due to the planet is significantly smaller than the angular size of the source, and as a result the planetary signature is also smoothed out by the finite source size. Thus the deviation from a single-lens fit is broad and relatively weak (~ few percent). Nevertheless, we demonstrate that the planetary nature of the deviation can be unambiguously ascertained from the gross features of the residuals, and detailed analysis yields a fairly precise planet/star mass ratio of q = 0.0026+/-0.0004, in accord with the large significance (\\Delta\\chi^2=1070) of the detection. The planet/star projected separation is subject to a strong close/wide degeneracy, leading to two indistinguishable solutions that differ in separation by a factor of ~8.5. Upper limits on flux from the lens constrain its mass to be M < 0.75 M_Sun (assuming it is a main-sequence star). A Bayesian analysis that includes all available observational constraints indicates a primary in the Galactic bulge with a mass of ~0.2-0.5 M_Sun and thus a planet mass of ~ 0.5-1.3 M_Jupiter. The separation and equilibrium temperature are ~0.6-1.1AU (~5.3-9.7AU) and ~103K (~34K) for the close (wide) solution. If the primary is a main-sequence star, follow-up observations would enable the detection of its light and so a measurement of its mass and distance.

Subo Dong; I. A. Bond; A. Gould; Szymon Kozlowski; N. Miyake; B. S. Gaudi; D. P. Bennett; F. Abe; A. C. Gilmore; A. Fukui; K. Furusawa; J. B. Hearnshaw; Y. Itow; K. Kamiya; P. M. Kilmartin; A. Korpela; W. Lin; C. H. Ling; K. Masuda; Y. Matsubara; Y. Muraki; M. Nagaya; K. Ohnishi; T. Okumura; Y. C. Perrott; N. Rattenbury; To. Saito; T. Sako; S. Sato; L. Skuljan; D. J. Sullivan; T. Sumi; W. Sweatman; P. J. Tristram; P. C. M. Yock; G. Bolt; G. W. Christie; D. L. DePoy; C. Han; J. Janczak; C. -U. Lee; F. Mallia; J. McCormick; B. Monard; A. Maury; T. Natusch; B. -G. Park; R. W. Pogge; R. Santallo; K. Z. Stanek; A. Udalski; M. Kubiak; M. K. Szymanski; G. Pietrzynski; I. Soszynski; O. Szewczyk; L. Wyrzykowski; K. Ulaczyk

2008-09-18T23:59:59.000Z

267

EFFECT OF COMBUSTOR INLET GEOMETRY ON ACOUSTIC SIGNATURE AND FLOW FIELD BEHAVIOUR OF THE LOW SWIRL INJECTOR  

SciTech Connect (OSTI)

Low Swirl Injector (LSI) technology is a lean premixed combustion method that is being developed for fuel-flexible gas turbines. The objective of this study is to characterize the fuel effects and influences of combustor geometry on the LSI's overall acoustic signatures and flowfields. The experiments consist of 24 flames at atmospheric condition with bulk flows ranging between 10 and 18 m/s. The flames burn CH{sub 4} (at {phi} = 0.6 & 0.7) and a blend of 90% H{sub 2} - 10% CH{sub 4} by volume (at {phi} = 0.35 & 0.4). Two combustor configurations are used, consisting of a cylindrical chamber with and without a divergent quarl at the dump plane. The data consist of pressure spectral distributions at five positions within the system and 2D flowfield information measured by Particle Imaging Velocimetry (PIV). The results show that acoustic oscillations increase with U{sub 0} and {phi}. However, the levels in the 90% H{sub 2} flames are significantly higher than in the CH{sub 4} flames. For both fuels, the use of the quarl reduces the fluctuating pressures in the combustion chamber by up to a factor of 7. The PIV results suggest this to be a consequence of the quarl restricting the formation of large vortices in the outer shear layer. A Generalized Instability Model (GIM) was applied to analyze the acoustic response of baseline flames for each of the two fuels. The measured frequencies and the stability trends for these two cases are predicted and the triggered acoustic mode shapes identified.

Therkelsen, Peter L.; Littlejohn, David; Cheng, Robert K.; Portillo, J. Enrique; Martin, Scott M.

2009-11-30T23:59:59.000Z

268

A comparison of surface topography characterization technologies for use in comparing spent bullet and cartridge case signatures  

SciTech Connect (OSTI)

The Pacific Northwest Laboratory was tasked by the US Department of Energy to provide technical assistance to the Federal Bureau of Investigation in evaluating and ranking technologies potentially useful in high-speed comparison of unique spent bullet and cartridge case surface signatures. Information sources included vendor input, current relevant literature, vendor phone contacts, other FBI resources, relevant PNL reports, and personal contact with numerous PNL technical staff. A comprehensive list of technologies was reduced to a list of 38 by grouping very similar methodologies, and further reduced to a short list of six by applying a set of five minimum functional requirements. A total of 14 primary criteria, many having secondary criteria, were subsequently used to evaluate each technology. The ranked short list results are reported and supported in this document, and their scores normalized to a hypothetical ideal system are as follows: (1) confocal microscopy 82.13; (2) laser dynamic focusing 72.04; (3)moire interferometry V70.94; (4)fringe field capacitance;(5)laser triangulation 66.18; (6)structured/sectioned light 65.55. Information available within the time/budget constraints which was used for the evaluation and ranking was not sufficiently detailed to evaluate specific implementations of the technologies. Each of the technologies in the short list was judged potentially capable of meeting the minimum requirements. Clever, novel engineering solutions resulting in a more cost-effective system, or a closer fit to the ideal system,'' could result in a reordering of the short list when actual technical proposals are evaluated. Therefore, it is recommended that a Request for Proposal not be limited to only the highest ranked technology, but include all six technologies in the short list.

Batishko, C.R.; Hickman, B.J.; Cuta, F.M.

1992-11-01T23:59:59.000Z

269

A comparison of surface topography characterization technologies for use in comparing spent bullet and cartridge case signatures  

SciTech Connect (OSTI)

The Pacific Northwest Laboratory was tasked by the US Department of Energy to provide technical assistance to the Federal Bureau of Investigation in evaluating and ranking technologies potentially useful in high-speed comparison of unique spent bullet and cartridge case surface signatures. Information sources included vendor input, current relevant literature, vendor phone contacts, other FBI resources, relevant PNL reports, and personal contact with numerous PNL technical staff. A comprehensive list of technologies was reduced to a list of 38 by grouping very similar methodologies, and further reduced to a short list of six by applying a set of five minimum functional requirements. A total of 14 primary criteria, many having secondary criteria, were subsequently used to evaluate each technology. The ranked short list results are reported and supported in this document, and their scores normalized to a hypothetical ideal system are as follows: (1) confocal microscopy 82.13; (2) laser dynamic focusing 72.04; (3)moire interferometry V70.94; (4)fringe field capacitance;(5)laser triangulation 66.18; (6)structured/sectioned light 65.55. Information available within the time/budget constraints which was used for the evaluation and ranking was not sufficiently detailed to evaluate specific implementations of the technologies. Each of the technologies in the short list was judged potentially capable of meeting the minimum requirements. Clever, novel engineering solutions resulting in a more cost-effective system, or a closer fit to the ``ideal system,`` could result in a reordering of the short list when actual technical proposals are evaluated. Therefore, it is recommended that a Request for Proposal not be limited to only the highest ranked technology, but include all six technologies in the short list.

Batishko, C.R.; Hickman, B.J.; Cuta, F.M.

1992-11-01T23:59:59.000Z

270

Search for Excited or Exotic Electron Production Using the Dielectron + Photon Signature at CDF in Run II  

SciTech Connect (OSTI)

The author presents a search for excited or exotic electrons decaying to an electron and a photon with high transverse momentum. An oppositely charged electron is produced in association with the excited electron, yielding a final state dielectron + photon signature. The discovery of excited electrons would be a first indication of lepton compositeness. They use {approx} 202 pb{sup -1} of data collected in p{bar p} collisions at {radical}s = 1.96 TeV with the Collider Detector at Fermilab during March 2001 through September 2003. The data are consistent with standard model expectations. Upper limits are set on the experimental cross-section {sigma}({bar p}p {yields} ee* {yields} ee{gamma}) at the 95% confidence level in a contact-interaction model and a gauge-mediated interaction model. Limits are also presented as exclusion regions in the parameter space of the excited electron mass (M{sub e*}) and the compositeness energy scale ({Lambda}). In the contact-interaction model, for which there are no previously published limits, they find M{sub e*} < 906 GeV is excluded for M{sub e*} = {Lambda}. In the gauge-mediated model, the exclusion region in the M{sub e*} versus the phenomenological coupling f/{Lambda} parameter space is extended to M{sub e*} < 430 GeV for f/{Lambda} {approx} 10{sup -2} GeV{sup -1}. In comparison, other experiments have excluded M{sub e*} < 280 GeV for f/{Lambda} {approx} 10{sup -2} GeV{sup -1}.

Gerberich, Heather Kay; /Duke U.

2004-07-01T23:59:59.000Z

271

Urban narrative and reinvention in Hicks-Logan-Sawyer : creating an effective gateway to a vital New Bedford  

E-Print Network [OSTI]

New Bedford, Massachusetts famously experienced two major waves of prosperity, as the worldwide capital of the whaling industry in the early 19th century, and then as a major textile production century decades later. It ...

Koretz, Noah B. (Noah Benjamin)

2013-01-01T23:59:59.000Z

272

Phosphate recovery as struvite within a single chamber microbial electrolysis cell Roland D. Cusick, Bruce E. Logan  

E-Print Network [OSTI]

. Introduction Phosphorous is an essential nutrient for all forms of life, but it exists at low concentrations

273

Electricity Production from Steam-Exploded Corn Stover Biomass Yi Zuo, Pin-Ching Maness, and Bruce E. Logan*,  

E-Print Network [OSTI]

,5 but most of the chemical oxygen demand (COD) remains as fermentation end products consisting primarily of acetic and butyric acids.6 Microbial fuel cells (MFCs) represent a new method for energy

274

A NEW RAPID METHOD TO ASSESS OXYGEN DEMAND BASED ON THE HBOD Bruce E. Logan, David Kohler, and Booki Min  

E-Print Network [OSTI]

, but that sample analysis takes only minutes. Field tests conducted at two local wastewater treatment plants show oxygen, HBOD, oxygen demand, oxygen probe, respirometers, wastewater treatment INTRODUCTION The original of the need to dilute the wastewater for a BOD test, for example, the degradation rate of biological organic

275

Printed Name Signature Date  

E-Print Network [OSTI]

Describe use: El Input to Technical Document El Input to other Technical Products Rod failure fraction that is available for unzipping. Rod stress distribution used for creep and SCC failure. Describe use:

Li Scientific; El Process Model; Originator E. Siegmann A =xj

276

Signature ESO-CERN  

ScienceCinema (OSTI)

Le Prof.Gregory parle du commencement de la collaboration entre directoires et gens de l'organisation; d'autres personnalits prennent la parole

None

2011-04-25T23:59:59.000Z

277

Original Signature On File  

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

Zappe, Project Leader Hazardous Waste Bureau New Mexico Environment Department 2905 Rodeo Park Drive East, Building 1 Santa Fe, New Mexico 87505-6303 Subject: Transmittal of CBFO...

278

Application Power Signature Analysis  

SciTech Connect (OSTI)

The high-performance computing (HPC) community has been greatly concerned about energy efficiency. To address this concern, it is essential to understand and characterize the electrical loads of HPC applications. In this work, we study whether HPC applications can be distinguished by their power-consumption patterns using quantitative measures in an automatic manner. Using a collection of 88 power traces from 4 different systems, we find that basic statistical measures do a surprisingly good job of summarizing applications' distinctive power behavior. Moreover, this study opens up a new area of research in power-aware HPC that has a multitude of potential applications.

Hsu, Chung-Hsing [ORNL] [ORNL; Combs, Jacob [Sonoma State University] [Sonoma State University; Nazor, Jolie [Sonoma State University] [Sonoma State University; Santiago, Fabian [Sonoma State University] [Sonoma State University; Thysell, Rachelle [Sonoma State University] [Sonoma State University; Rivoire, Suzanne [Sonoma State University] [Sonoma State University; Poole, Stephen W [ORNL] [ORNL

2014-01-01T23:59:59.000Z

279

Science of Signatures  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLas ConchasPassiveSubmitted forHighlights Nuclear Physics (NP) NP HomeHasan Below isScience of

280

Science of Signatures Program  

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

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


281

Signature on File  

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

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282

Original Signature on File  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLas Conchas recoveryLaboratorySpeedingOptimizing I/O performance onAboutOrhan Kizilkaya,|Original

283

Structure of the first representative of Pfam family PF09410 (DUF2006) reveals a structural signature of the calycin superfamily that suggests a role in lipid metabolism  

SciTech Connect (OSTI)

The first structural representative of the domain of unknown function DUF2006 family, also known as Pfam family PF09410, comprises a lipocalin-like fold with domain duplication. The finding of the calycin signature in the N-terminal domain, combined with remote sequence similarity to two other protein families (PF07143 and PF08622) implicated in isoprenoid metabolism and the oxidative stress response, support an involvement in lipid metabolism. Clusters of conserved residues that interact with ligand mimetics suggest that the binding and regulation sites map to the N-terminal domain and to the interdomain interface, respectively.

Chiu, Hsiu-Ju; Bakolitsa, Constantina; Skerra, Arne; Lomize, Andrei; Carlton, Dennis; Miller, Mitchell D.; Krishna, S. Sri; Abdubek, Polat; Astakhova, Tamara; Axelrod, Herbert L.; Clayton, Thomas; Deller, Marc C.; Duan, Lian; Feuerhelm, Julie; Grant, Joanna C.; Grzechnik, Slawomir K.; Han, Gye Won; Jaroszewski, Lukasz; Jin, Kevin K.; Klock, Heath E.; Knuth, Mark W.; Kozbial, Piotr; Kumar, Abhinav; Marciano, David; McMullan, Daniel; Morse, Andrew T.; Nigoghossian, Edward; Okach, Linda; Paulsen, Jessica; Reyes, Ron; Rife, Christopher L.; van den Bedem, Henry; Weekes, Dana; Xu, Qingping; Hodgson, Keith O.; Wooley, John; Elsliger, Marc-Andre; Deacon, Ashley M.; Godzik, Adam; Lesley, Scott A.; Wilson, Ian A. (SLAC); (Michigan); (U. Muchen)

2011-08-17T23:59:59.000Z

284

Intrinsic Chirality and Prochirality at Air/R-(+)- and S-(-)-Limonene Interfaces: Spectral Signatures with Interference Chiral Sum-Frequency Generation Vibrational Spectroscopy  

SciTech Connect (OSTI)

We report in this work detailed measurements on the chiral and achiral sum-frequency vibrational spectra in the C-H stretching vibration region (2800-3050cm-1) of the air/liquid interfaces of R-limonene and S-limonene, using the recently developed high-resolution broadband sum-frequency generation vibrational spectroscopy (HR-BB-SFG-VS). The achiral SFG spectra of R-limonene and S-limonene, as well as the equal amount (50/50) racemic mixture show that the enantiomers are with the same interfacial orientations. The interference chiral SFG spectra of the limonene enantiomers exhibit spectral signature from chiral response of the C?-H stretching mode, and spectral signature from prochiral response of the CH2 asymmetric stretching mode, respectively. The chiral spectral feature of the C?-H stretching mode changes sign from R-limonene to S-limonene, and disappears for the 50/50 racemic mixture. While the prochiral spectral feature of the CH2 asymmetric stretching mode is the same for R-limonene and S-limonene, and also surprisingly remains the same for the 50/50 racemic mixture. These results provided detail information in understanding the structure and chirality of molecular interfaces, and demonstrated the sensitivity and potential of SFG-VS as unique spectroscopic tool for chirality characterization and chiral recognition at the molecular interface.

Fu, Li; Zhang, Yun; Wei, Zhehao; Wang, Hongfei

2014-06-04T23:59:59.000Z

285

PERSISTENT DOPPLER SHIFT OSCILLATIONS OBSERVED WITH HINODE/EIS IN THE SOLAR CORONA: SPECTROSCOPIC SIGNATURES OF ALFVENIC WAVES AND RECURRING UPFLOWS  

SciTech Connect (OSTI)

Using data obtained by the EUV Imaging Spectrometer on board Hinode, we have performed a survey of obvious and persistent (without significant damping) Doppler shift oscillations in the corona. We have found mainly two types of oscillations from February to April in 2007. One type is found at loop footpoint regions, with a dominant period around 10 minutes. They are characterized by coherent behavior of all line parameters (line intensity, Doppler shift, line width, and profile asymmetry), and apparent blueshift and blueward asymmetry throughout almost the entire duration. Such oscillations are likely to be signatures of quasi-periodic upflows (small-scale jets, or coronal counterpart of type-II spicules), which may play an important role in the supply of mass and energy to the hot corona. The other type of oscillation is usually associated with the upper part of loops. They are most clearly seen in the Doppler shift of coronal lines with formation temperatures between one and two million degrees. The global wavelets of these oscillations usually peak sharply around a period in the range of three to six minutes. No obvious profile asymmetry is found and the variation of the line width is typically very small. The intensity variation is often less than 2%. These oscillations are more likely to be signatures of kink/Alfven waves rather than flows. In a few cases, there seems to be a {pi}/2 phase shift between the intensity and Doppler shift oscillations, which may suggest the presence of slow-mode standing waves according to wave theories. However, we demonstrate that such a phase shift could also be produced by loops moving into and out of a spatial pixel as a result of Alfvenic oscillations. In this scenario, the intensity oscillations associated with Alfvenic waves are caused by loop displacement rather than density change. These coronal waves may be used to investigate properties of the coronal plasma and magnetic field.

Tian Hui; McIntosh, Scott W. [High Altitude Observatory, National Center for Atmospheric Research, P.O. Box 3000, Boulder, CO 80307 (United States); Wang, Tongjiang; Ofman, Leon [Department of Physics, Catholic University of America, Washington, DC 20064 (United States); De Pontieu, Bart [Lockheed Martin Solar and Astrophysics Laboratory, 3251 Hanover St., Org. ADBS, Bldg. 252, Palo Alto, CA 94304 (United States); Innes, Davina E.; Peter, Hardi, E-mail: htian@ucar.edu [Max Planck Institute for Solar System Research, 37191 Katlenburg-Lindau (Germany)

2012-11-10T23:59:59.000Z

286

Search for charginos nearly mass degenerate with the lightest neutralino based on a disappearing-track signature in pp collisions at ?s = 8 TeV with the ATLAS detector  

E-Print Network [OSTI]

A search is presented for direct chargino production based on a disappearing-track signature using 20.3??fb[superscript ?1] of proton-proton collisions at s? = 8??TeV collected with the ATLAS experiment at the LHC. In ...

Taylor, Frank E.

287

The Spectral Signature of Dust Scattering and Polarization in the Near IR to Far UV. I. Optical Depth and Geometry Effects  

E-Print Network [OSTI]

Spectropolarimetry from the near IR to the far UV of light scattered by dust provides a valuable diagnostic of the dust composition, grain size distribution and spatial distribution. To facilitate the use of this diagnostic, we present detailed calculations of the intensity and polarization spectral signature of light scattered by optically thin and optically thick dust in various geometries. The polarized light radiative transfer calculations are carried out using the adding-doubling method for a plane-parallel slab, and are extended to an optically thick sphere by integrating over its surface. The calculations are for the Mathis, Rumple & Nordsieck Galactic dust model, and cover the range from 1 $\\mu m$ to 500 \\AA. We find that the wavelength dependence of the scattered light intensity provides a sensitive probe of the optical depth of the scattering medium, while the polarization wavelength dependence provides a probe of the grain scattering properties, which is practically independent of optical depth. We provide a detailed set of predictions, including polarization maps, which can be used to probe the properties of dust through imaging spectropolarimetry in the near IR to far UV of various Galactic and extragalactic objects. In a following paper we use the codes developed here to provide predictions for the dependence of the intensity and polarization on grain size distribution and composition.

Victor G. Zubko; Ari Laor

1999-09-21T23:59:59.000Z

288

Persistent Doppler shift oscillations observed with HINODE/EIS in the solar corona: spectroscopic signatures of Alfvenic waves and recurring upflows  

E-Print Network [OSTI]

Using data obtained by the EUV Imaging Spectrometer (EIS) onboard Hinode, we have per- formed a survey of obvious and persistent (without significant damping) Doppler shift oscillations in the corona. We have found mainly two types of oscillations from February to April in 2007. One type is found at loop footpoint regions, with a dominant period around 10 minutes. They are characterized by coherent behavior of all line parameters (line intensity, Doppler shift, line width and profile asymmetry), apparent blue shift and blueward asymmetry throughout almost the en- tire duration. Such oscillations are likely to be signatures of quasi-periodic upflows (small-scale jets, or coronal counterpart of type-II spicules), which may play an important role in the supply of mass and energy to the hot corona. The other type of oscillation is usually associated with the upper part of loops. They are most clearly seen in the Doppler shift of coronal lines with forma- tion temperatures between one and two million degrees. The ...

Tian, Hui; Wang, Tongjiang; Ofman, Leon; De Pontieu, Bart; Innes, Davina E; Peter, Hardi

2012-01-01T23:59:59.000Z

289

Signature of Christopher C. Gentile Signature of Christopher C. Gentile  

National Nuclear Security Administration (NNSA)

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) "ofEarlyEnergyDepartmentNational Nuclearhas 'Natitude'SecurityAdministration ranked thirdCharles

290

Signature of R. Wallis Spangler Signature of R. Wallis Spangler  

National Nuclear Security Administration (NNSA)

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) "ofEarlyEnergyDepartmentNational Nuclearhas 'Natitude'SecurityAdministration ranked thirdCharlesPaul J.R.

291

Signature of William H. Goldstein Signature of William H. Goldstein  

National Nuclear Security Administration (NNSA)

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) "ofEarlyEnergyDepartmentNational Nuclearhas 'Natitude'SecurityAdministration ranked

292

Original Signature On File Original Signature On File  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLas Conchas recoveryLaboratorySpeedingOptimizing I/O performance onAboutOrhan Kizilkaya,|Original

293

Printed Name: PID: Signature Date  

E-Print Network [OSTI]

use, return items to their proper storage spaces at the Student Affairs Office. Check Extension Cords Qty Foldable Tables (1-3) Qty Grill/Propane (1-2) Qty Popcorn Machine Picnic Blankets Qty

Russell, Lynn

294

Tectonic signatures on active margins  

E-Print Network [OSTI]

submarine canyons. Sedimentology 50 (4), 625637. McNinch,SEPM, Concepts in Sedimentology and Paleontology, vol. 7.aggradational phase. Sedimentology 54, 207-221. Swift, D. J.

Hogarth, Leah Jolynn

2010-01-01T23:59:59.000Z

295

Tectonic signatures on active margins  

E-Print Network [OSTI]

during the last sea-level rise. The healing-phase unitduring the last sea-level rise. This chapter also examineserosion during the sea-level rise, and is mantled by a basal

Hogarth, Leah Jolynn

2010-01-01T23:59:59.000Z

296

Tectonic signatures on active margins  

E-Print Network [OSTI]

Henry, M.J. , 1976. The unconsolidated sediment distributionWaggoner, J.A. , 1979. Unconsolidated shelf sediments in theare primarily incised into unconsolidated sediments. Side

Hogarth, Leah Jolynn

2010-01-01T23:59:59.000Z

297

Signature of nonexponential nuclear decay  

E-Print Network [OSTI]

Precision tests of decay law of radioactive nuclei have not so far found any deviation from the exponential decay law at early time, as predicted by quantum mechanics. In this paper, we show that the quantum decoherence time (i.e. the timescale of nonexponential decay) of the quasifission or fission process should be of the order of attosecond considering the atom of the fissioning nucleus as a quantum detector. Hence, the observed decay timescale of the quasifission or fission process of even highly excited (EX greater than 50 MeV) transuranium and uraniumlike complexes should be rather long (of the order of attosecond) in spite of their very fast exponential decay timescale (of the order of zeptosecond) as measured by the nuclear techniques. Recent controversy regarding the observation of very long (of the order of attosecond ) and very short (of the order of zeptosecond ) quasifission or fission timescales for similar systems at similar excitation energies as obtained by direct techniques (crystal blocking...

Ray, A; De, A

2015-01-01T23:59:59.000Z

298

2014 Science of Signatures Program  

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‰PNGExperience hands-onASTROPHYSICS H.Carbon StorageInstitute » Science of

299

The Science of Signatures Program  

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

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

300

2015 Science of Signatures Program  

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 Jun Jul(Summary)morphinanInformation Desert SouthwestTechnologies |November 2011 Mon, Next ReleaseEFRC5Useful5 2015 ORNL2015

Note: This page contains sample records for the topic "logan sholar signature" 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.


301

Using cathode spacers to minimize reactor size in air cathode microbial fuel cells Qiao Yang a  

E-Print Network [OSTI]

be increased through the incorporation of reverse electrodialysis stacks into the system (Kim and Logan, 2011

302

Determination of lateral size distribution of type-II ZnTe/ZnSe stacked submonolayer quantum dots via spectral analysis of optical signature of the Aharanov-Bohm excitons  

SciTech Connect (OSTI)

For submonolayer quantum dot (QD) based photonic devices, size and density of QDs are critical parameters, the probing of which requires indirect methods. We report the determination of lateral size distribution of type-II ZnTe/ZnSe stacked submonolayer QDs, based on spectral analysis of the optical signature of Aharanov-Bohm (AB) excitons, complemented by photoluminescence studies, secondary-ion mass spectroscopy, and numerical calculations. Numerical calculations are employed to determine the AB transition magnetic field as a function of the type-II QD radius. The study of four samples grown with different tellurium fluxes shows that the lateral size of QDs increases by just 50%, even though tellurium concentration increases 25-fold. Detailed spectral analysis of the emission of the AB exciton shows that the QD radii take on only certain values due to vertical correlation and the stacked nature of the QDs.

Ji, Haojie; Dhomkar, Siddharth; Roy, Bidisha; Kuskovsky, Igor L. [Department of Physics, Queens College of CUNY, Queens, New York 11367 (United States); The Graduate Center of CUNY, New York, New York 10016 (United States); Shuvayev, Vladimir [Department of Physics, Queens College of CUNY, Queens, New York 11367 (United States); Deligiannakis, Vasilios; Tamargo, Maria C. [The Graduate Center of CUNY, New York, New York 10016 (United States); Department of Chemistry, City College of CUNY, New York, New York 10031 (United States); Ludwig, Jonathan [National High Magnetic Field Laboratory, Tallahassee, Florida 32310 (United States); Department of Physics, Florida State University, Tallahassee, Florida 32306 (United States); Smirnov, Dmitry [National High Magnetic Field Laboratory, Tallahassee, Florida 32310 (United States); Wang, Alice [Evans Analytical Group, Sunnyvale, California 94086 (United States)

2014-10-28T23:59:59.000Z

303

We've found an error in our paper. In the threshold signature scheme that we used, there are restrictions on the threshold value. In particular if the key is shared over a degree t polynomial, then 2t+1 players (not t+1)  

E-Print Network [OSTI]

and will be updating the paper accordingly. Securing Bitcoin wallets via threshold signatures Steven Goldfeder stevenag@cs.princeton.edu Arvind Narayanan arvindn@cs.princeton.edu ABSTRACT The Bitcoin ecosystem has suffered frequent thefts serious. Due to the irre- versibility, automation, and pseudonymity of transactions, Bitcoin currently

Singh, Jaswinder Pal

304

APPROVAL SIGNATURES DATE SIGNED DEPARTMENT CHAIR  

E-Print Network [OSTI]

vendors (ski passes, professional accreditation fees, licensing costs, liability insurance, ice skating rink fees, etc.). · Extraordinary Instructional Expenses: Fees may be justified to cover extraordinary

Olsen Jr., Dan R.

305

The Elliptic Curve Digital Signature Algorithm (ECDSA)  

E-Print Network [OSTI]

). It was accepted in 1999 as an ANSI standard, and was accepted in 2000 as IEEE and NIST standards. It was also-per-key-bit is substantially greater in an algorithm that uses elliptic curves. This paper describes the ANSI X9.62 ECDSA Standards Organization) standard (ISO 14888-3), accepted in 1999 as an ANSI (American National Standards

306

Signatures for Mass Spectrometry Data Quality  

SciTech Connect (OSTI)

Ensuring data quality and proper instrument functionality is a prerequisite for scientific investigation. Manual validation for quality assurance is time consuming, expensive and subjective. Metrics for describing various features of LC-MS data have been developed to assist operators in discriminating poor (out of control) and good (in control) datasets. However, the wide variety of instrument specifications and LC-MS configurations precludes applying a simple range of acceptable values or cutoffs for such metrics. We explored a variety of statistical modeling approaches to predict the quality of LC-MS data. Using 1164 manually classified quality control (QC) LC-MS datasets, we fit logistic regression classification models to the QC data to predict whether a dataset is in or out of control. Model parameters were optimized by minimizing a loss function that accounts for the tradeoff between false positive and false negative errors. The optimal logistic regression classifier models detected bad data sets with high sensitivity (i.e. low false negative rate) while maintaining high specificity (i.e. controlling the false positive rate). As an example, predictions for Velos-Orbitrap instrumentation data had a sensitivity of 93.7% in detecting out of control datasets with a false positive rate of 8.3%. In comparison, we investigated the performance of several single metrics in predicting dataset quality. While maintaining a sensitivity of 93.7%, the corresponding false positive rates for these single-metric models unacceptably ranged from 32% to 97.7%. Finally, we evaluated the performance of the

Amidan, Brett G.; Orton, Daniel J.; Lamarche, Brian L.; Monroe, Matthew E.; Moore, Ronald J.; Venzin, Alexander M.; Smith, Richard D.; Sego, Landon H.; Tardiff, Mark F.; Payne, Samuel H.

2014-03-10T23:59:59.000Z

307

Signatures of Planets in Spatially Unresolved Disks  

E-Print Network [OSTI]

Main sequence stars are commonly surrounded by debris disks, composed of cold dust continuously replenished by a reservoir of undetected dust-producing planetesimals. In a planetary system with a belt of planetesimals (like the Solar System's Kuiper Belt) and one or more interior giant planets, the trapping of dust particles in the mean motion resonances with the planets can create structure in the dust disk, as the particles accumulate at certain semimajor axes. Sufficiently massive planets may also scatter and eject dust particles out of a planetary system, creating a dust depleted region inside the orbit of the planet. In anticipation of future observations of spatially unresolved debris disks with the Spitzer Space Telescope, we are interested in studying how the structure carved by planets affects the shape of the disk's spectral energy distribution (SED), and consequently if the SED can be used to infer the presence of planets. We numerically calculate the equilibrium spatial density distributions and SEDs of dust disks originated by a belt of planetesimals in the presence of interior giant planets in different planetary configurations, and for a representative sample of chemical compositions. The dynamical models are necessary to estimate the enhancement of particles near the mean motion resonances with the planets, and to determine how many particles drift inside the planet's orbit. Based on the SEDs and predicted $\\it{Spitzer}$ colors we discuss what types of planetary systems can be distinguishable from one another and the main parameter degeneracies in the model SEDs.

A. Moro-Martin; S. Wolf; R. Malhotra

2005-06-27T23:59:59.000Z

308

(Original Signature of Member) 109TH CONGRESS  

E-Print Network [OSTI]

scientific understanding of new, energy-efficient mate- rials, as well as analyze the behavior of materials

Knowles, David William

309

(Mentor Signature) Louisiana Tech College of  

E-Print Network [OSTI]

& Science Grand Challenge Scholars Program Grand Challenge Scholar Apprentice Annual Report for Academic: ___________________________________________________________ Expected Graduation: ___________________________________________________ GCSP Apprentice: Complete the next. ================================================================== GCSP Mentor: Complete this section and submit your Apprentice's Annual Report by May 1 to Dr. Katie

Selmic, Sandra

310

On the signature of the Shapovalov form  

E-Print Network [OSTI]

Classifying the irreducible unitary representations of a real reductive group is equivalent to the algebraic problem of classifying the Harish-Chandra modules admitting a positive definite invariant Hermitian form. Finding ...

Yee, Wai Ling, 1977-

2004-01-01T23:59:59.000Z

311

Barcelona, (data / fecha / date) ......................................... Signatura / Firma / Signature  

E-Print Network [OSTI]

: ............................................................................................................. NIF o Nº Passaport / NIF o Nº Pasaporte/ NIF or Passport Nr: ................................. Data de

Geffner, Hector

312

A SEISMIC SIGNATURE OF A SECOND DYNAMO?  

SciTech Connect (OSTI)

The Sun is a variable star whose magnetic activity varies most perceptibly on a timescale of approximately 11 years. However, significant variation is also observed on much shorter timescales. We observe a quasi-biennial (2 year) signal in the natural oscillation frequencies of the Sun. The oscillation frequencies are sensitive probes of the solar interior and so by studying them we can gain information about conditions beneath the solar surface. Our results strongly point to the 2 year signal being distinct and separate from, but nevertheless susceptible to the influence of, the main 11 year solar cycle.

Fletcher, Stephen T.; New, Roger [Faculty of Arts, Computing, Engineering and Sciences, Sheffield Hallam University, Sheffield S1 1WB (United Kingdom); Broomhall, Anne-Marie; Chaplin, William J.; Elsworth, Yvonne [School of Physics and Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT (United Kingdom); Salabert, David [Instituto de Astrofisica de Canarias, E-38200 La Laguna, Tenerife (Spain); Basu, Sarbani [Yale University, P.O. Box 208101, New Haven, CT 06520-8101 (United States); Garcia, Rafael A., E-mail: S.Fletcher@shu.ac.u, E-mail: R.New@shu.ac.u, E-mail: amb@bison.ph.bham.ac.u, E-mail: wjc@bison.ph.bham.ac.u, E-mail: ype@bison.ph.bham.ac.u, E-mail: salabert@iac.e, E-mail: sarbani.basu@yale.ed, E-mail: rafael.garcia@cea.f [Laboratoire AIM, CEA/DSM-CNRS-Universite Paris Diderot, IRFU/SAp, Centre de Saclay, 91191 Gif-sur-Yvette (France)

2010-07-20T23:59:59.000Z

313

Infra-red signature neutron detector  

DOE Patents [OSTI]

A method of detecting an activator, the method including impinging with an activator a receptor material that includes a photoluminescent material that generates infrared radiation and generation a by-product of a nuclear reaction due to the activator impinging the receptor material. The method further includes generating light from the by-product via the Cherenkov effect, wherein the light activates the photoluminescent material so as to generate the infrared radiation. Identifying a characteristic of the activator based on the infrared radiation.

Bell, Zane William (Oak Ridge, TN) [Oak Ridge, TN; Boatner, Lynn Allen (Oak Ridge, TN) [Oak Ridge, TN

2009-10-13T23:59:59.000Z

314

Oxidation of carbynes: Signatures in infrared spectra  

SciTech Connect (OSTI)

We report and solidly interpret the infrared spectrum of both pristine and oxidized carbynes embedded in a pure-carbon matrix. The spectra probe separately the effects of oxidation on sp- and on sp{sup 2}-hybridized carbon, and provide information on the stability of the different structures in an oxidizing atmosphere. The final products are mostly short end-oxidized carbynes anchored with a double bond to sp{sup 2} fragments, plus an oxidized sp{sup 2} amorphous matrix. Our results have important implications for the realization of carbyne-based nano-electronics devices and highlight the active participation of carbynes in astrochemical reactions where they act as carbon source for the promotion of more complex organic species.

Cinquanta, E., E-mail: eugenio.cinquanta@mdm.imm.cnr.it, E-mail: p.rudolf@rug.nl [CIMAINA, University of Milan, Via Celoria 16, 20133 Milano (Italy); Department of Materials Science, University of Milan Bicocca, Via Cozzi 53, 20125 Milano (Italy); Manini, N.; Caramella, L.; Onida, G. [European Theoretical Spectroscopy Facility (ETSF), Via Celoria 16, 20133 Milano (Italy); Physics Department, University of Milan, Via Celoria 16, 20133 Milano (Italy); Ravagnan, L.; Milani, P. [CIMAINA, University of Milan, Via Celoria 16, 20133 Milano (Italy); Physics Department, University of Milan, Via Celoria 16, 20133 Milano (Italy); Rudolf, P., E-mail: eugenio.cinquanta@mdm.imm.cnr.it, E-mail: p.rudolf@rug.nl [Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747AG Groningen (Netherlands)

2014-06-28T23:59:59.000Z

315

Using Signature Analysis for Maintenance Planning  

E-Print Network [OSTI]

-25, 1979 From this survey, which we hold to be a typical representation of rotating machinery applications, it was concluded that vibration monitoring programs can be designed to produce a significant amount of machinery condition information... type, history, and ongoing in-house monitoring practices, the data points and frequency of surveillance are established (normally 1 or 2-month cycles with variations, e.g. critical ~achinery could be surveyed each month and peripheral machinery on a...

Babson, P. E.

1979-01-01T23:59:59.000Z

316

Detectable Signatures of Cosmic Radiative Feedback  

E-Print Network [OSTI]

We use a semi-analytical model to study the impact of reionization, and the associated radiative feedback, on galaxy formation. Two feedback models have been considered: (i) a standard prescription, according to which star formation is totally suppressed in galaxies with circular velocity below a critical threshold (model CF06) and (ii) a characterization based on the filtering scale (model G00), allowing for a gradual reduction of the gas available for star formation in low-mass galaxies. In model CF06 reionization starts at z ~ 15-20, is 85% complete by z ~ 10; at the same z, the ionized fraction is 16% in model G00. The models match SDSS constraints on the evolution of the neutral hydrogen fraction at z feedback models. Deviations among radiative feedback prescriptions emerge when considering the expected HI 21 cm background signal, where a ~ 15 mK absorption feature in the range 75-100 MHz is present in model G00 and a global shift of the emission feature preceding reionization towards larger frequencies occurs in the same model. Single dish observations with existing or forthcoming low-frequency radio telescopes can achieve mK sensitivity, allowing the identification of these features provided that foregrounds can be accurately subtracted.

R. Schneider; R. Salvaterra; T. Roy Choudhury; A. Ferrara; C. Burigana; L. A. Popa

2007-12-04T23:59:59.000Z

317

Commercial Vehicle Classification using Vehicle Signature Data  

E-Print Network [OSTI]

Traffic Measurement and Vehicle Classification with SingleG. Ritchie. Real-time Vehicle Classification using InductiveReijmers, J.J. , "On-line vehicle classification," Vehicular

Liu, Hang; Jeng, Shin-Ting; Andre Tok, Yeow Chern; Ritchie, Stephen G.

2008-01-01T23:59:59.000Z

318

CHEMICAL SIGNATURES FOR SUPERHEAVY ELEMENTARY PARTICLES  

E-Print Network [OSTI]

searches for technetium, promethium and and expresses hisoccurring technetium, promethium, natural constituents ofany technetium or promethium found by chemical separation

Cahn, Robert N.

2014-01-01T23:59:59.000Z

319

Institute of Geophysics, Planetary Physics, and Signatures  

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

and Labratory staff Providing Los Alamos National Laboratory programs with systematic infusion of new ideas, people, and contact with the larger university community Direct support...

320

Manhattan Project Signature Facilities | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy UsageAUDITVehicles »Exchange Visitorsfor Shade

Note: This page contains sample records for the topic "logan sholar signature" 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.


321

(Original Signature of Member) 109TH CONGRESS  

E-Print Network [OSTI]

Plant Program Sec. 531. Definitions. Sec. 532. Next generation nuclear power plant. Sec. 533. Advisory of appropriations. TITLE V--NUCLEAR ENERGY PROGRAMS Sec. 501. Definition. Sec. 502. Programs. Subtitle A--Nuclear energy research programs Sec. 511. Advanced fuel recycling program. Sec. 512. University nuclear science

322

Phase Transition Signature Results from PHENIX  

E-Print Network [OSTI]

The PHENIX experiment has conducted searches for the QCD critical point with measurements of multiplicity fluctuations, transverse momentum fluctuations, event-by-event kaon-to-pion ratios, elliptic flow, and correlations. Measurements have been made in several collision systems as a function of centrality and transverse momentum. The results do not show significant evidence of critical behavior in the collision systems and energies studied, although several interesting features are discussed.

Jeffery T. Mitchell

2009-09-14T23:59:59.000Z

323

Manhattan Project Signature Facilities | Department of Energy  

Energy Savers [EERE]

device fully assembled atop the 100-foot firing tower, shortly before the Trinity test. July 15, 1945. The "Gadget" device fully assembled atop the 100-foot firing tower,...

324

Institute of Geophysics, Planetary Physics, and Signatures  

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-SeriesFlickrinformation for and Novel ComputationalBecky OlignerJennaInstitute of

325

Fermilab | Graphic Standards at Fermilab | Email signatures  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation ProposedUsing ZirconiaPolicyFeasibility ofSmall15.000 Rev.Group Robert R.Color palette

326

Signature of Paul J. HommertSignature of Paul J. Hommert Signature of Paul J. HommertSignature of Paul J. Hommert  

National Nuclear Security Administration (NNSA)

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) "ofEarlyEnergyDepartmentNational Nuclearhas 'Natitude'SecurityAdministration ranked thirdCharlesPaul J.

327

Institute of Geophysics, Planetary Physics and Signatures  

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 Jun Jul(Summary)morphinanInformation Desert Southwest Region service area.Portaldefault Sign InReactionResearch Center4nIGPPS

328

Signatures for Mass Spectrometry Data Quality. | EMSL  

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 Administrationcontroller systemsBi (2)Sharing Smart GridShift EndSidney D.Christopher

329

APPROVED BY: President Date Investigator (Signature) Date  

E-Print Network [OSTI]

, 253-280, (2004). Hanan E. Abdou, Ahmed A. Mohamed, Jose M. Lopez-de-Luzuriaga, John P. Fackler, Jr Amidinate Complexes." J. Cluster Science, 15, 397-411, (2004). Jinhua Chen, Ahmed A. Mohamed, Hanan E. Abdou). Hanan E. Abdou, Ahmed A. Mohamed, John P. Fackler, Jr., "Synthesis and X-ray Structures of Dinuclear

Fackler, John P.

330

CX-005580: Categorical Exclusion Determination  

Broader source: Energy.gov [DOE]

Sidney to Sterling Transmission Line Structure Replacement, Logan County, ColoradoCX(s) Applied: B4.6Date: 12/22/2010Location(s): Logan County, ColoradoOffice(s): Western Area Power Administration-Rocky Mountain Region

331

Interactions of biopolymers with silica surfaces: Force measurements and electronic structure calculation studies  

E-Print Network [OSTI]

calculation studies Kideok D. Kwon a,*, Virginia Vadillo-Rodriguez b , Bruce E. Logan b , James D. Kubicki a

332

2012 WOMEN'S SOCCER Spring/Summer Clinics  

E-Print Network [OSTI]

Adams Road 800.225.1517 AIRPORTS Albany International, Albany, NY: 1 hour away Logan Airport, Boston, MA

Aalberts, Daniel P.

333

Recent trends in atmospheric methyl bromide: analysis of post-Montreal Protocol variability  

E-Print Network [OSTI]

2003) caution that their bio- fuel emission estimates couldthe Yevich and Logan (2003) bio- fuel emissions to CH 3 Br

Yvon-Lewis, S. A; Saltzman, E. S; Montzka, S. A

2009-01-01T23:59:59.000Z

334

3, 57775802, 2003 Problems regarding  

E-Print Network [OSTI]

reflects mainly a tropospheric O3 climatology (Logan, 1999), scaled to the layer between the surface on the Logan (1999) tropospheric O3 climatology and an estimate for the tropopause heights without using independent of the actual values of the Logan (1999) O3 climatology. The proposed adjustments are also more

Boyer, Edmond

335

Network Congestion Control of Airport Surface Operations Harshad Khadilkar  

E-Print Network [OSTI]

parameters for Boston Logan International Airport are es- timated using empirical data from a surface with simulations of traffic on a network model of Boston Logan International Airport. Nomenclature ASDE-X Airport Surface Detection Equipment, Model X BOS Boston Logan International Airport C Cost function for control

Gummadi, Ramakrishna

336

Threshold characteristics of semiconductor microdisk lasers R. E. Slusher, A. F. J. Levi, U. Mohideen, S. L. McCall, S. J. Peat-ton, and R. A. Logan  

E-Print Network [OSTI]

characteristics of InGaAs/InGaAsP microdisk lasers with optical emission near a wavelength /2=1.52 pm. More than 5 in a factor of l/f' in the calculated mode spacing. Loss due to optical absorption in the cold cavity (pumping well below threshold) leads to Q;`=aU 2rrn,s fg where a is the absorption coefficient obtained

Levi, Anthony F. J.

337

GFE Signature GFE signature is a multi-scale description of the  

E-Print Network [OSTI]

problem in computer graphics. Widely studied methods for this family of problems include the Gromov for corresponding points. Methodology The proposed method seeks to establish correspondence between surface features-invariant valuation of surface vertices, but this valuation must be generalized to achieve scale and rotation

Bhandarkar, Suchendra "Suchi" M.

338

Signature of Charles F. McMillan Signature of Charles F. McMillan  

National Nuclear Security Administration (NNSA)

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) "ofEarlyEnergyDepartmentNational Nuclearhas 'Natitude'SecurityAdministration ranked thirdCharles F.

339

Signature of Raymond J. JuzaitisSignature of Raymond J. Juzaitis  

National Nuclear Security Administration (NNSA)

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) "ofEarlyEnergyDepartmentNational Nuclearhas 'Natitude'SecurityAdministration ranked thirdCharlesPaul

340

Determining sand-body geometries for waterflood reservoirs: Examples from Oklahoma  

SciTech Connect (OSTI)

Waterflood projects require an accurate knowledge of reservoir geometry and well-to-well continuity. However, sandstones with thin, multiple-pay zones can be extremely difficult to correlate with confidence. Two case studies of Pennsylvanian sandstones in Oklahoma illustrate how a model for the depositional history of such reservoirs can be an effective tool for determining reservoir continuity. In contrast, correlation criteria such as similar wireline log signatures and relative sand-body thicknesses are not reliable in many situations. In Southwest Logan field (Beaver County), 5 to 15-ft thick reservoir sands formed as shallow marine sand ridges. Their dimensions were approximated from height-to-width ratios of modern sand ridges. Then the reservoir sands were mapped using wireline logs and core data. Individual reservoir sands were approximately 1-2 km wide and stacked en echelon vertically. Thus, a line-drive waterflood pattern oriented parallel to the axes of the ridges is recommended. Tatums field (Carter County) consists of 5 to 50-ft thick sandstones deposited in various deltaic environments. Distributary channel sands have good continuity downdip, but are narrow and lenticular across depositional strike. Crevasse splay and other bay-fill sands were deposited marginal to the channels and are extremely discontinuous. This depositional model can be used to improve flood patterns for these sands, leading to improved sweep efficiency. In both examples, for effective mapping, the depositional facies models have been used to register reservoir quality and wireline log signatures.

Kreisa, R.D.; Pinero, E. (Mobil Research and Development Corp., Dallas, TX (USA))

1987-02-01T23:59:59.000Z

Note: This page contains sample records for the topic "logan sholar signature" 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

area northern territory: Topics by E-print Network  

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

LOGAN, C.A. 1987. Fluctuations in fall and winter territory Lougheed, Stephen 52 Evaluation of Land Surface Models in Reproducing Satellite Derived Leaf Area Index over the...

342

DOE/OR/07-2247&D1  

Office of Environmental Management (EM)

1 8 2011 Ohio Environmental Protection Agency Southeast District Office 2195 Front Street Logan, Ohio 43138 Dear Ms. Galanti: PPPO-03-1334678-12 REMOVAL ACTION COMPLETION REPORT...

343

By-Products Utilization  

E-Print Network [OSTI]

", Portland Cement Association Skokie, IL, pp. 1-10. 11. Burnham, J. C., Bennet, G. F., and Logan, T. J., 1990

Wisconsin-Milwaukee, University of

344

LBNL/PUB-5515 Ernest Orlando Lawrence  

E-Print Network [OSTI]

LBNL/PUB-5515 Report on Ernest Orlando Lawrence Berkeley National Laboratory Laboratory Directed ............................................2 Grant Logan Jonathan Wurtele Wim Leemans Enabling High Energy Density Physics at LBNL

345

For those who reserve parking through our office, please park at the Cambridge Marriott Hotel (enter  

E-Print Network [OSTI]

on the MBTA Red Line) from Logan Airport. Returning to the airport by car or taxi during rush hour or bad

Polz, Martin

346

Comparison of complex effluent treatability in different bench scale microbial electrolysis cells  

E-Print Network [OSTI]

Mark L. Ullery, Bruce E. Logan Department of Civil and Environmental Engineering, 212 Sackett Building limited energy recovery (McCarty et al., 2011). Microbial electrochemical technologies (METs

347

E-Print Network 3.0 - area integrated field Sample Search Results  

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

functions. b. Line integrals... of vector ... Source: Logan, David - Department of Mathematics, University of Nebraska-Lincoln Collection: Environmental Sciences and Ecology ;...

348

Microbial Fuel Cell Coupling: Clean, renewable energy generated from wastewater amongst other potential uses  

E-Print Network [OSTI]

5] Logan, Bruce. Microbial Fuel Cells: Methodology andin a flat plate microbial fuel cell. Environ. Sci. Technol.Korneel, et al. Microbial fuel cells: performances and

Reynolds, Mark

2014-01-01T23:59:59.000Z

349

Airports and Bicycles: what are the obstacles and incentives for operators 1 to improve bicycle access?  

E-Print Network [OSTI]

Airport f Boston International Airport g Minneapolis-St.Airport f Boston International Airport g Minneapolis-St.56. Boston Logan International Airport. Transportation

Orrick, Phyllis; Frick, Karen Trapenberg

2013-01-01T23:59:59.000Z

350

E-Print Network 3.0 - advanced test reactor critical facility...  

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

the sand media reactor: (A... Backwash (A) (B) Fig. 10. Retention time test data for the plastic media ... Source: Logan, Bruce E.- Department of Civil and Environmental...

351

Vehicle Technologies Office Merit Review 2014: Mechanistic-based...  

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

for complex Mg castings. lm077logan2014o.pdf More Documents & Publications Magnesium-Intensive Front End Sub-Structure Development Magnesium Front End Development (AMD...

352

advisory boards provide: Topics by E-print Network  

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

includes gradients, divergence, curl, Laplacian, integration by parts formulae and Greens identities. (2 Logan, David 360 Solar System Advisory Panel (SSAP) Developing the...

353

E-Print Network 3.0 - activated-sludge microbial community Sample...  

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

(biofilm, 95 h; activated sludge... ). Rich sources of microorganisms, such as wastewater, activated ... Source: Logan, Bruce E.- Department of Civil and Environmental...

354

ps  

E-Print Network [OSTI]

In communication engineering ..... Sci.,. Paris. [7] Logan, B., (1965) Properties of high-pass signals, (Thesis, Dept. Electrical. Engineering, Columbia Univ.). 10...

355

Recent Graduates  

E-Print Network [OSTI]

Revitalization in Bayview Hunters Point and West Oakland,Hub of the Bayview-Hunters Point District Logan HarrisStrategic Plan for Hunters Point Shipyard Arts District

Mattiuzzi, Elizabeth; Arata, Heather

2014-01-01T23:59:59.000Z

356

E-Print Network 3.0 - actuated ball valve Sample Search Results  

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

Environmental Engineering, Utah State University, Logan Utah, 84322-8200. Summary: Flow Coefficient (gallonsin-min-lb12 ), independent of line size d Inside pipe diameter at...

357

EA-1611-S1: Finding of No Significant Impact | Department of...  

Energy Savers [EERE]

611-S1: Finding of No Significant Impact EA-1611-S1: Finding of No Significant Impact Colorado Highlands Wind Project, Logan County, Colorado DOE's Western Area Power...

358

M490A S07 Test 1 Version 1.doc  

E-Print Network [OSTI]

(12 points) Logan won the lottery. He has the option of receiving: an increasing perpetuity due where the annual payments start at 100 and increase by 100 each

359

E-Print Network 3.0 - aerobic hydrogen accumulation Sample Search...  

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

accumulation in the system (9). If high concentrations... to be measured as total biogas pro- duction. Hydrogen gas does not ordinarily ... Source: Logan, Bruce E.- Department...

360

CX-005114: Categorical Exclusion Determination | Department of...  

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

Determination CX-005114: Categorical Exclusion Determination Fleming Substation Transformer Replacement, Fleming, Logan County, Colorado CX(s) Applied: B4.6 Date: 12202010...

Note: This page contains sample records for the topic "logan sholar signature" 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

Warren RECC- Electric Water Heater Rebate  

Broader source: Energy.gov [DOE]

Warren Rural Electric Cooperative Corporation (RECC) provides service to customers in the south-central Kentucky counties of Ohio, Butler, Grayson, Edmonson, Warren, Simpson, Logan and Barren. Upon...

362

Signatures of the Late Time Core-Collapse Supernova Environment  

E-Print Network [OSTI]

in K. Weiler (ed. ), Supernovae and Gamma-Ray Bursters, Vol.Recorded observations of supernovae go back almost twoModern observations of supernovae began in the late 1800s

Roberts, Luke Forrest

2012-01-01T23:59:59.000Z

363

SU4 light stop signature analysis at ATLAS  

SciTech Connect (OSTI)

A possibility to observe light stop signal above the Standard Model background was analysed for SU4 low mass SUSY model. With a production cross section of 270 pb, SU4 seems to be a promising target for SUSY searches with early ATLAS data. In order to extract a light stop signal from the decay g-tilde {yields} t-tilde{sub 1}t {yields} {chi}-tilde{sub 1}{sup {+-}}tb the final state tb invariant mass distribution was reconstructed. A kinematic endpoint was observed at a position close to the expected value for this decay chain which is 300 GeV. By establishing proper event selection criteria SM backgrounds can be suppressed to the level S/B > 4 with only 200 pb-1 of data. The analysis was performed on fully simulated ATLAS data.

Krstic, Jelena; Milosavljevic, Marija; Popovic, Dragan [Institute of Physics, Belgrade (Serbia and Montenegro)

2007-04-23T23:59:59.000Z

364

Signatures of Quantum Gravity in a Born-Oppenheimer Context  

E-Print Network [OSTI]

We solve a general equation describing the lowest order corrections arising from quantum gravitational effects to the spectrum of cosmological fluctuations. The spectra of scalar and tensor perturbations are calculated to first order in the slow roll approximation and the results are compared with the most recent observations. The slow roll approximation gives qualitatively new quantum gravitational effects with respect to the pure de Sitter case.

Alexander Y. Kamenshchik; Alessandro Tronconi; Giovanni Venturi

2014-05-20T23:59:59.000Z

365

Signatures of Quantum Gravity in a Born-Oppenheimer Context  

E-Print Network [OSTI]

We solve a general equation describing the lowest order corrections arising from quantum gravitational effects to the spectrum of cosmological fluctuations. The spectra of scalar and tensor perturbations are calculated to first order in the slow roll approximation and the results are compared with the most recent observations. The slow roll approximation gives qualitatively new quantum gravitational effects with respect to the pure de Sitter case.

Kamenshchik, Alexander Y; Venturi, Giovanni

2014-01-01T23:59:59.000Z

366

Signatures of Heating and Cooling Energy Consumption for Typical AHUs  

E-Print Network [OSTI]

-duct system, the cold deck temperature is set to 55 OF. The hot deck temperature is reset based on the outside air temperature: it is set to 1 10 OF when the outside air temperature is below 40 OF and linearly decreases to 80 OF when the outside air... Cold deck temperature set point T, Supply air Floor area Changes made decreased from 55 OF to 53 OF raised from 1.2 cfm/ft2 to 1.3 cfm/ft2 raised from 120,000 ft2 to 130,000 ft2 - - Hot deck temperature set point Th 1 Outside air flow I...

Wei, G.; Liu, M.; Claridge, D. E.

1998-01-01T23:59:59.000Z

367

HUMAN ELECTROCORTIGRAPHIC SIGNATURE DETERMINATION BY EGAD SPARSE APPROXIMATION  

E-Print Network [OSTI]

correlated suppression of alpha (8-13 Hz.) and increases in gamma (> 30 Hz.) energy in activated brain areas. We reexamine two chan- nels of ECoG and one channel of EMG over an ensemble of 49 tri- als. Each

Nehorai, Arye

368

Experimental Signature for Black Hole Production in Neutrino Air Showers  

E-Print Network [OSTI]

The existence of extra degrees of freedom beyond the electroweak scale may allow the formation of black holes in nearly horizontal neutrino air showers. In this paper we examine the average properties of the light descendants of these black holes. Our analysis indicates that black hole decay gives rise to deeply penetrating showers with an electromagnetic component which differs substantially from that in conventional neutrino interactions, allowing a good characterization of the phenomenon against background. Naturally occurring black holes in horizontal neutrino showers could be detected and studied with the Auger air shower array. Since the expected black hole production rate at Auger is $> 1$ event/year, this cosmic ray observatory could be potentially powerful in probing models with extra dimensions and TeV-scale gravity.

Luis Anchordoqui; Haim Goldberg

2001-10-15T23:59:59.000Z

369

Otolith elemental signatures reflect residency in coastal water masses  

E-Print Network [OSTI]

defined by Hurst and Bruland 2008) and subarctic water (meanupwelled waters (Hurst and Bruland 2008). Elevated Ba/Ca inSci 56:578591 Hurst MP, Bruland KW (2008) The effects of

Nishimoto, Mary M.; Washburn, Libe; Warner, Robert R.; Love, Milton S.; Paradis, Georges L.

2010-01-01T23:59:59.000Z

370

A cardiac signature of emotionality Stefan Koelsch,1,2  

E-Print Network [OSTI]

increase the risk for coronary heart disease and heart attack (Lesperance et al., 1996; Rozanski et al emotional personality and heart activity. Our data demonstrate that emotional personality is related Scale), and with both time and frequency domain measures of the heart rate variability. The results

Hammerton, James

371

Experimental Signatures of Critically Balanced Turbulence in MAST  

E-Print Network [OSTI]

Beam emission spectroscopy (BES) measurements of ion-scale density fluctuations in the MAST tokamak are used to show that the turbulence correlation time, the drift time associated with ion temperature or density gradients, ...

Ghim, Y.-c.

372

3D-FFT for Signature Detection in LWIR Images  

SciTech Connect (OSTI)

Improvements in analysis detection exploitation are possible by applying whitened matched filtering within the Fourier domain to hyperspectral data cubes. We describe an implementation of a Three Dimensional Fast Fourier Transform Whitened Matched Filter (3DFFTMF) approach and, using several example sets of Long Wave Infra Red (LWIR) data cubes, compare the results with those from standard Whitened Matched Filter (WMF) techniques. Since the variability in shape of gaseous plumes precludes the use of spatial conformation in the matched filtering, the 3DFFTMF results were similar to those of two other WMF methods. Including a spatial low-pass filter within the Fourier space can improve signal to noise ratios and therefore improve detection limit by facilitating the mitigation of high frequency clutter. The improvement only occurs if the low-pass filter diameter is smaller than the plume diameter.

Medvick, Patricia A.; Lind, Michael A.; Mackey, Patrick S.; Nuffer, Lisa L.; Foote, Harlan P.

2007-11-20T23:59:59.000Z

373

Quantification of residual stress from photonic signatures of fused silica  

SciTech Connect (OSTI)

A commercially available grey-field polariscope (GFP) instrument for photoelastic examination is used to assess impact damage inflicted upon the outer-most pane of Space Shuttle windows made from fused silica. A method and apparatus for calibration of the stress-optic coefficient using four-point bending is discussed. The results are validated on known material (acrylic) and are found to agree with literature values to within 6%. The calibration procedure is then applied to fused-silica specimens and the stress-optic coefficient is determined to be 2.43 0.54 10{sup ?12} Pa{sup ?1}. Fused silica specimens containing impacts artificially made at NASAs Hypervelocity Impact Technology Facility (HIT-F), to simulate damage typical during space flight, are examined. The damage sites are cored from fused silica window carcasses and examined with the GFP. The calibrated GFP measurements of residual stress patterns surrounding the damage sites are presented.

Cramer, K. Elliott; Yost, William T. [NASA Langley Research Center, Hampton, VA 23681 (United States); Hayward, Maurice [College of William and Mary, Williamsburg, VA 23185 (United States)

2014-02-18T23:59:59.000Z

374

Defect site prediction based upon statistical analysis of fault signatures  

E-Print Network [OSTI]

Good failure analysis is the ability to determine the site of a circuit defect quickly and accurately. We propose a method for defect site prediction that is based on a site's probability of excitation, making no assumptions about the type...

Trinka, Michael Robert

2004-09-30T23:59:59.000Z

375

Brain structural signatures of negative symptoms in depression and schizophrenia  

E-Print Network [OSTI]

. Paillre-Martinot M, Caclin A, Artiges E, Poline JB, Joliot M, Mallet L, et al. Cerebral gray 431 and white matter reductions and clinical correlates in patients with early onset schizophrenia. 432 Schizophr Res. 2001;50:1926. doi:S0920996400001377 [pii...

Chuang, Jie-Yu; Murray, Graham K.; Metastasio, Antonio; Segarra, Nuria; Tait, Roger; Spencer, Jenny; Ziauddeen, Hisham; Dudas, Robert B.; Fletcher, Paul C.; Suckling, John

2014-08-27T23:59:59.000Z

376

Exploring the geophysical signatures of microbial processes in the earth  

E-Print Network [OSTI]

Arctic Natural Sciences, Antarctic Earth Sciences, Antarcticof Microbial Processes in the Earth Lee Slater 1 , Estellaa rapidly evolving Earth science discipline that integrates

Slater, L.

2009-01-01T23:59:59.000Z

377

Modeling of Seismic Signatures of Carbonate Rock Types  

E-Print Network [OSTI]

Carbonate reservoirs of different rock types have wide ranges of porosity and permeability, creating zones with different reservoir quality and flow properties. This research addresses how seismic technology can be used to identify different...

Jan, Badr H.

2011-02-22T23:59:59.000Z

378

Intrusion Detection in Realtime Database Systems Via Time Signatures*  

E-Print Network [OSTI]

as ``normal'' transactions, and compare the ability of different numerically quantifiable measures to capture. Introduction In a real­time database system, transactions often have timing constraints. Transactions must meet their timing constraints, often expressed as deadlines, in order to be correct and useful. In stock market

Son, Sang H.

379

The hydraulic bump: The surface signature of a plunging jet  

E-Print Network [OSTI]

When a falling jet of fluid strikes a horizontal fluid layer, a hydraulic jump arises downstream of the point of impact, provided a critical flow rate is exceeded. We here examine a phenomenon that arises below this jump ...

Labousse, M.

380

Search for the pentaquark resonance signature in lattice QCD  

SciTech Connect (OSTI)

Claims concerning the possible discovery of the $\\Theta^+$ pentaquark, with minimal quark content $uudd\\bar{s}$, have motivated our comprehensive study into possible pentaquark states using lattice QCD. We review various pentaquark interpolating fields in the literature and create a new candidate ideal for lattice QCD simulations. Using these interpolating fields we attempt to isolate a signal for a five-quark resonance. Calculations are performed using improved actions on a large $20^{3} \\times 40$ lattice in the quenched approximation. The standard lattice resonance signal of increasing attraction between baryon constituents for increasing quark mass is not observed for spin-1/2 pentaquark states. We conclude that evidence supporting the existence of a spin-1/2 pentaquark resonance does not exist in quenched QCD.

B. G. Lasscock; J. Hedditch; D. B. Leinweber; W. Melnitchouk; A. W. Thomas; A. G. Williams; R. D. Young; J. M. Zanotti

2005-03-01T23:59:59.000Z

Note: This page contains sample records for the topic "logan sholar signature" 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

Distinctive genetic signatures in the Libyan Jews Noah A. Rosenberg*  

E-Print Network [OSTI]

contained in Libya records the settlement of Jews from Egypt around 312 BCE (1, 2), and the ancient in the 6th century (1), and others may have arrived from Arabia and Syria with the Moslem conquest of Libya of North Africa, Libya did not serve as a major destination of Iberian Jews seeking refuge after their 1492

Rosenberg, Noah

382

LATE ORDOVICIAN CLIMBING DUNE ASSEMBLAGES, THE SIGNATURE OF GLACIAL OUTBURST ?  

E-Print Network [OSTI]

, jean-loup.rubino@total.com 4NOC, Libya, Y-Boujazia@yahoo.com Meltwater-related processes have long been of the Western Murzuq Basin/ Tassili n'Ajjer area (southern Libya ­ Algeria boundary), this presentation aims

Paris-Sud XI, Université de

383

Microsoft Word - TQP 1 31 Final w signatures.docx  

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

LASO does not obtain continuous feedback from TQP participants. Section 4.4.9 of MP 02.04 states that a TQP candidate responsibility is to "Provide objective feedback to...

384

Thermodynamic properties of interfacial water from its infrared signatures  

E-Print Network [OSTI]

.g., 1]. This justifies the intensity of researches about high resolution measurements of solids surfaces, published in "16th International Conference on the Properties of Water and Steam, Londres : Royaume condenser. We use a double path single masking aperture size of 3x3 µm which allows us to work in dual

Paris-Sud XI, Université de

385

The Aerodynamic Signature of Running Spiders Jero^ me Casas1  

E-Print Network [OSTI]

and ecological terms, without considering the role of signals produced by predators and perceived by prey. Wolf of sensory ecology and is consistent with the escape distances and speeds of cricket prey. These findings may the Cricket Inspired perCeption and Autonomous Decision Automata (CICADA) project (IST-2001- 34718) and within

Boyer, Edmond

386

Genomic signatures of relaxed disruptive selection associated with speciation reversal  

E-Print Network [OSTI]

within the most polluted lakes. Here we investigate the effects of eutrophication on the selective forces oxygen concentration) representing the strength of eutrophication. Results: Whilst we identify disruptive eutrophication: as the likelihood decreases that AFLP restriction sites will fall within regions of heightened

387

Thermal imaging comparison of Signature, Infiniti, and Stellaris phacoemulsification systems  

E-Print Network [OSTI]

a common viewing plane perpen- dicular to a FLIR model P60ThermaCAM (FLIR Systems Inc. , North Billerica,For our experiments, the FLIR camera was set to display

Ryoo, Na; Kwon, Ji-Won; Wee, Won; Miller, Kevin M; Han, Young

2013-01-01T23:59:59.000Z

388

Development of a Reaction Signature for Combined Concrete Materials  

E-Print Network [OSTI]

validates that ASR is a thermally activated process and therefore, the reactivity of an aggregate can be characterized in terms of its activation energy (Ea) using the Arrhenius equation. Statistical analysis was conducted to determine that the test protocol...

Ghanem, Hassan A.

2010-07-14T23:59:59.000Z

389

acoustic signature recognition: Topics by E-print Network  

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

Face Recognition Computer Technologies and Information Sciences Websites Summary: , eyeglasses, which block thermal energy, are detected from thermal images and replaced with an...

390

Accountable Tracing Signatures Markulf Kohlweiss and Ian Miers  

E-Print Network [OSTI]

systems. A common approach is to allow a trusted third party (TTP) to gain access to private data. However be used given sufficient motivation (e.g. the need to hide criminal activity), but is not widely deployed partially-trusted parties) who escrow(s) a user's identity or information about her actions for future

391

Properties and signatures of supersymmetric Q-balls  

E-Print Network [OSTI]

Supersymmetric extensions of the Standard Model predict the existence of Q-balls with baryon and lepton numbers. Stable Q-balls can form at the end of inflation from the fragmentation of the Affleck-Dine condensate and can exist as dark matter. The best current limits come from Super-Kamiokande and MACRO. The search beyond these limits can be conducted using the future water Cherenkov detectors.

Kusenko, A

2006-01-01T23:59:59.000Z

392

Properties and signatures of supersymmetric Q-balls  

E-Print Network [OSTI]

Supersymmetric extensions of the Standard Model predict the existence of Q-balls with baryon and lepton numbers. Stable Q-balls can form at the end of inflation from the fragmentation of the Affleck-Dine condensate and can exist as dark matter. The best current limits come from Super-Kamiokande and MACRO. The search beyond these limits can be conducted using the future water Cherenkov detectors.

Alexander Kusenko

2006-12-13T23:59:59.000Z

393

acoustic resonance signatures: Topics by E-print Network  

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

peak locations and relative heights predicted by the standard inflationary cold dark matter model is essentially unique and its confirmation would have deep implications for the...

394

acoustic spectral signature: Topics by E-print Network  

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

peak locations and relative heights predicted by the standard inflationary cold dark matter model is essentially unique and its confirmation would have deep implications for the...

395

acoustic signature: Topics by E-print Network  

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

peak locations and relative heights predicted by the standard inflationary cold dark matter model is essentially unique and its confirmation would have deep implications for the...

396

Spectroscopic signatures of doorway-mediated intersystem crossing  

E-Print Network [OSTI]

Intersystem crossing in acetylene, C?H?, is described by a doorway-mediated model, where singlet-triplet mixing between the first excited singlet~ state, S?, and the manifold of low-lying T?,? states is controlled by special ...

Bittinger, Kyle Lee

2009-01-01T23:59:59.000Z

397

Discover protein sequence signatures from protein-protein interaction data  

E-Print Network [OSTI]

Background: The development of high-throughput technologies such as yeast two- hybrid systems and mass spectrometry technologies has made it possible to generate large protein-protein interaction ( PPI) datasets. Mining ...

Fang, Jianwen; Haasl, R. J.; Dong, Yinghua; Lushington, Gerald H.

2005-11-23T23:59:59.000Z

398

Information-Entropic Signature of the Critical Point  

E-Print Network [OSTI]

We investigate the critical behavior of continuous phase transitions in the context of Ginzburg Landau models with a double well effective potential. In particular, we show that the recently proposed configurational entropy, a measure of spatial complexity of the order parameter based on its Fourier mode decomposition, can be used to identify the critical point. We compute the CE for different temperatures and show that large spatial fluctuations near the critical point lead to a sharp decrease in the CE. We further show that the CE density has a marked scaling behavior near criticality, with the same power law as Kolmogorov turbulence. We reproduce the behavior of the CE at criticality with a percolating many bubble model.

Sowinski, Damian

2015-01-01T23:59:59.000Z

399

SOLAR MAGNETIC FIELD SIGNATURES IN HELIOSEISMIC SPLITTING COEFFICIENTS  

SciTech Connect (OSTI)

Normal modes of oscillation of the Sun are useful probes of the solar interior. In this work, we use the even-order splitting coefficients to study the evolution of magnetic fields in the convection zone over solar cycle 23, assuming that the frequency splitting is only due to rotation and a large-scale magnetic field. We find that the data are best fit by a combination of a poloidal field and a double-peaked near-surface toroidal field. The toroidal fields are centered at r {sub 0} = 0.999 R {sub sun} and r = 0.996 R {sub sun} and are confined to the near-surface layers. The poloidal field is a dipole field. The peak strength of the poloidal field is 124 +- 17 G. The toroidal field peaks at 380 +- 30 G and 1.4 +- 0.2 kG for the shallower and deeper fields, respectively. The field strengths are highly correlated with surface activity. The toroidal field strength shows a hysteresis-like effect when compared to the global 10.7 cm radio flux. The poloidal field strength shows evidence of saturation at high activity.

Baldner, Charles S.; Basu, Sarbani [Department of Astronomy, Yale University, P.O. Box 208101, New Haven, CT, 06520-8101 (United States); Antia, H. M. [Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai 400005 (India); Larson, Timothy P., E-mail: charles.baldner@yale.ed [Hansen Experimental Physics Laboratory, Stanford University, Stanford, CA 94305-4085 (United States)

2009-11-10T23:59:59.000Z

400

Cosmic-ray electron signatures of dark matter  

SciTech Connect (OSTI)

There is evidence for an excess in cosmic-ray electrons at about 500 GeV energy, that may be related to dark-matter annihilation. I have calculated the expected electron contributions from a pulsar and from Kaluza-Klein dark matter, based on a realistic treatment of the electron propagation in the Galaxy. Pulsars younger than about 10{sup 5} years naturally cause a narrow peak at a few hundred GeV in the locally observed electron spectrum, similar to that observed. On the other hand, if electron production by dark matter is predominantly occurring in high-mass clumps (> or approx. 10{sup 3}M{sub {center_dot}}), the sharp cutoff in the contribution from Kaluza-Klein particles is sometimes more pronounced, but often smoothed out and indistinguishable from a pulsar source, and therefore the spectral shape of the electron excess is insufficient to discriminate a dark-matter origin from more conventional astrophysical explanations.

Pohl, Martin [Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011 (United States)

2009-02-15T23:59:59.000Z

Note: This page contains sample records for the topic "logan sholar signature" 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

Photon entanglement signatures in difference-frequency-generation  

E-Print Network [OSTI]

parametric-down-conversion (PDC) [8, 9, 7, 10]. The SFG [11,window is controlled by the PDC crystal length and photon1094 are generated by a PDC process and further mixed by

Roslyak, Oleksiy; Mukamel, Shaul

2009-01-01T23:59:59.000Z

402

Microsoft Word - Alcoa Contract 12-09-09 blackline signature...  

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

"Average Initial Period FTE" means the average FTE, as determined pursuant to Table 1, in Section 2 below, reduced by ten percent, during the Initial Period. 1.4 "Average Extended...

403

The spectroscopic signature of hot Jupiters in FU Orionis objects  

E-Print Network [OSTI]

We show that if FU Orionis objects harbour hot Jupiters embedded in their discs, the resulting non-axisymmetric dissipation profile in the disc would be manifest as time-dependent distortions in the absorption line profiles of these objects. In order to affect the infrared line profiles, planets must lie within approximately 0.5 au of the central star, whereas only planets within 0.1 au would influence the optical line profiles. The timescale for modulation of the line profiles is relatively short (months) in each case, so that the effect could not have been discovered from published spectra (which combine data taken in different observing seasons). The detection of hot Jupiters in FU Orionis objects would be in line with the expectations of tidal migration theories (which predict a high incidence of close planets around young stars) and would also lend support to models which link the triggering of rapid rise FU Orionis events to the existence of a close massive planet.

Cathie J. Clarke; Philip J. Armitage

2003-07-04T23:59:59.000Z

404

Signatures of new phenomena in ultrarelativistic nuclear collisions  

SciTech Connect (OSTI)

Three classes of observables are discussed which may shed light on the properties of the quark-gluon plasma formed in ultrarelativistic nuclear collisions. They are: (1) thermometers: the penetrating probes ..mu../sup +/..mu../sup -/, ..gamma.., c, (2) barometers: transverse flow via

, and (3) seismometers: fluctuations of dN/dy and dE perpendicular/dy. The need for reliable estimates of the background due to the non-equilibrium processes is emphasized. 49 references.

Gyulassy, M.

1983-11-01T23:59:59.000Z

405

String Gas Shells, their Dual Radiation and Hedgehog Signature Control  

E-Print Network [OSTI]

We search for spherically symmetric, stationary solutions with a string gas shell as a source. The requirement of a uniform newtonian potential, or constancy of the 00 component of the metric, implies the existence of a "dual" radiation, which we argue can be interpreted as representing the virtual quantum fluctuations that stabilize the shell. A string hedgehog can be introduced also into the solution. For zero or small hedgehog strength the string gas shell is of a regular nature, while the dual radiation is of a spacelike nature. For higher hedgehog strengths however the radiation "materializes" and becomes timelike while the string gas shell becomes space like. The significance of these solutions for the quantum theory is discussed.

E. I. Guendelman

2009-03-12T23:59:59.000Z

406

Imaging Reservoir Quality: Seismic Signatures of Geologic Processes  

SciTech Connect (OSTI)

Lithofacies successions from diverse depositional environments show distinctive patterns in various rock-physics planes (velocity-porosity, velocity-density and porosity-clay). Four clear examples of decameter-scale lithofacies sequences are documented in this study: (1) Micocene fluvial deposits show an inverted-V pattern indicative of dispersed fabric, (2) a fining-upward sequence of mud-rich deep deposits shows a linear trend associated with laminated sand-clay mixtures, (3) sand-rich deposits show a pattern resulting from the scarcity of mixed lithofacies, and (4) a coarsening-upward sequence shows evidence of both dispersed and horizontally laminated mixed lithofacies, with predominating dispersed mixtures generated by bioturbation. It was observed that carbonate-cemented sandstones are extremely heterogeneous in the project deep-water study area. Those from the base of incisions are usually associated with lower shaliness, lower porosity and higher P-impedance, while from the top of flooding surfaces exhibit higher shaliness, higher porosity and lower P-impedance. One rock physics model that captures the observed impedance-porosity trend is the 'stiff-sand model'. For this model, the high-porosity end-member is unconsolidated sand whose initial porosity is a function of sorting and shaliness, while the low-porosity end-member is solid mineral. These two end points are joined with a Hashin-Shtrikman equation. A systematic variation of quartz:clay ratio from proximal to distal locations was observed in the study area even within a single facies. The quartz:clay ratio changes from [0.5:0.5] to [1:0] along the direction of flow, based on the trends of P-impedance vs. porosity as predicted by the rock model for uncemented sands. The results are in agreement with spill-and-fill sequence stratigraphic model in mini-basin setting. In addition, porosity at the distal location ({approx}25 % to 35%) is higher than the porosity at the proximal location ({approx}20 % to 23%). This trend is explained by a sequence stratigraphic model which predicts progressive increase in sorting by turbidity current along the flow, as well as, quantified by a rock model that heuristically accounts for sorting. The results can be applied to improve quantitative predication of sediment parameters from seismic impedance, away from well locations.

Department of Geophysics

2008-06-30T23:59:59.000Z

407

Observable signatures of general relativistic dynamics in compact binaries  

E-Print Network [OSTI]

The effects of general relativity (GR) in astrophysical systems are often difficult to calculate, but they can have important consequences for observables. This thesis considers the impact of previously-ignored GR effects ...

Lang, Ryan N. (Ryan Nathan)

2009-01-01T23:59:59.000Z

408

Space-Time Curvature Signatures in Bose-Einstein Condensates  

E-Print Network [OSTI]

We derive a generalized Gross-Pitaevski (GP) equation immersed on a electromagnetic and a weak gravitational field starting from the covariant Complex Klein-Gordon field in a curved space-time. We compare it with the GP equation where the gravitational field is added by hand as an external potential. We show that there is a small difference of order $g z/c^2$ between them that could be measured in the future using Bose-Einstein Condensates (BEC). This represents the next order correction to the Newtonian gravity in a curved space-time.

Matos, Tonatiuh

2015-01-01T23:59:59.000Z

409

Dissimilarity representations for thermal signature recognition at a distance  

E-Print Network [OSTI]

the heat energy emitted by a body instead the light reflected. ii) LWIR sensors have an invariant behavior Technologies Application Center. 7a # 21812 e/ 218 y 222, Rpto. Siboney, Playa, C.P. 12200, La Habana, Cuba Faculty of Electrical Engineering, Mathematics and Computer Sciences, Delft University of Technology

Duin, Robert P.W.

410

Microsoft Word - eMST report - for signature.docx  

Office of Scientific and Technical Information (OSTI)

as a 15 wt % suspension in water containing 0.10-0.15 M NaOH and 100-150 mg L -1 NaNO 2 . 2 Modified monosodium titanate (mMST) used in these studies was prepared by the...

411

Neutrino signatures of the supernova - gamma ray burst relationship  

E-Print Network [OSTI]

We calculate the TeV-PeV neutrino fluxes of gamma-ray bursts associated with supernovae, based on the observed association between GRB 030329 and supernova SN 2003dh. The neutrino spectral flux distributions can test for possible delays between the supernova and the gamma-ray burst events down to much shorter timescales than what can be resolved with photons. As an illustrative example, we calculate the probability of neutrino induced muon and electron cascade events in a km scale under-ice detector at the South Pole, from the GRB 030329. Our calculations demonstrate that km scale neutrino telescopes are expected to detect signals that will allow to constrain supernova-GRB models.

Soebur Razzaque; Peter Meszaros; Eli Waxman

2003-10-14T23:59:59.000Z

412

EA-1984: Disposition of Five Signature Properties at Idaho National...  

Office of Environmental Management (EM)

of six ordnance-testing sites across the country and the only one to test the 16-inch guns used on battleships in the Pacific Fleet during WW II. Ordnance manufactured, rebuilt,...

413

Thermal signature reduction through liquid nitrogen and water injection  

E-Print Network [OSTI]

values at thermocouple locations. ................................. 45 IV Temperature values (K)at TC locations for LN2 injection on both gridsandtwoexperimentaldatasets................... 45 x LIST OF FIGURES FIGURE Page 1 Basic elements of a spin... partialdiffr(rhovr)+ rhovr r = Sm (3.4) partialdiffrho partialdifft(rho vectorV + nabla?(rhovectorV vectorV )=-nablaP + nabla???tau + rhovectorg + vectorF (3.5) partialdiffrho partialdifft(rhoE)+nabla?( vectorV (rhoE + P)) = -nabla(kef f nablaT + ??tauef f...

Guarnieri, Jason Antonio

2005-02-17T23:59:59.000Z

414

LATE ORDOVICIAN CLIMBING DUNE ASSEMBLAGES : THE SIGNATURE OF GLACIAL OUTBURST?  

E-Print Network [OSTI]

Channel axis SW-NE 4 internal erosion-based subunits Wadi Inlalen example Steady & uniform Lower Transfert toward adjacent eddy-related side bars Smaller scale analogue channel in modern wadi sandy flood In places, accretion surfaces Wadi Aramat & Alun example Depositional facies Depositional model Unconfined

Paris-Sud XI, Universit de

415

Identifying protein sequence signatures for flexible regions of functional importance  

E-Print Network [OSTI]

force of allostery based on comparing heat capacity associated with binding to various ligands and the coupling

Gu, Jenny

2006-01-01T23:59:59.000Z

416

A Complete Dichotomy Rises from the Capture of Vanishing Signatures  

E-Print Network [OSTI]

. They turned out to be essential to the complete classification of Holant problems. The dichotomy theorem has theorems on Holant problems and Boolean #CSP. 1 Introduction In the study of counting problems, several Homomorphism [33, 1, 5, 21, 22, 25, 7, 28]. Another is called Constraint Satisfaction Problems (#CSP) [2, 3, 4

Cai, Jin-Yi

417

Electrical signature of magnetic domain-wall dynamics  

E-Print Network [OSTI]

Current-induced domain-wall dynamics is studied in a thin ferromagnetic nanowire. The domain-wall dynamics is described by simple equations with four parameters. We propose a procedure to unambiguously determine these parameters by all...

Liu, Y.; Tretiakov, O. A.; Abanov, Artem.

2011-01-01T23:59:59.000Z

418

10 Questions for a Signature Scientist: Nathan Baker  

Broader source: Energy.gov [DOE]

Find out how hes working to advance the innovative application of data analytics and algorithms to real-world challenges, ranging from smart grids and bioforensics to nuclear non-proliferation and medical treatments.

419

Microsoft Word - 2007 NESHAP Final with Signature page.doc  

National Nuclear Security Administration (NNSA)

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) "ofEarlyEnergyDepartmentNationalRestart of the Review ofElectronic Input Options Gary trademark,

420

Manager's Signature Log Privacy Impact Assessment, Office of Science  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "of EnergyEnergyENERGYWomen OwnedofDepartment ofJared Temanson -of EnergyEqualAA206.1Chicago Office |

Note: This page contains sample records for the topic "logan sholar signature" 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

Power Signatures as Characteristics of Commercial and Related Buildings  

E-Print Network [OSTI]

characteristics and building physical characteristics is seen as an important area for improvement of analytical tools for commercial and related buildings. Knowledge of the causes of variations in energy use, and the expected relative impacts of different...

MacDonald, M.

1988-01-01T23:59:59.000Z

422

Practical Forward Secure Group Signature Schemes Dawn Xiaodong Song  

E-Print Network [OSTI]

applications such as electronic banking systems and electronic voting. Two important issues ­ forward security Contract N66001-99-2-8913 is under the supervision of the Space and Naval Warfare Systems Center, San Diego

Song, Dawn

423

Microsoft Word - 11-0607 _signature on file_ _2_.docx  

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

KBS:11-0607:UFC 2300.00 Department of Energy Carlsbad Field Office P.O. Box 3090 Carlsbad, New Mexico 88221 June 20, 2011 Mr. John Kieling, Acting Bureau Chief Hazardous Materials...

424

Wireless Device Identification with Radiometric Signatures Vladimir Brik  

E-Print Network [OSTI]

. ORISE is managed by Oak Ridge Associated Universities (ORAU) un- der DOE contract number DE-AC05-06OR23100. All opinions expressed in this paper are the author's and do not necessarily reflect the policies

Gruteser, Marco

425

A DYNAMICAL SIGNATURE OF MULTIPLE STELLAR POPULATIONS IN 47 TUCANAE  

SciTech Connect (OSTI)

Based on the width of its main sequence, and an actual observed split when viewed through particular filters, it is widely accepted that 47 Tucanae contains multiple stellar populations. In this contribution, we divide the main sequence of 47 Tuc into four color groups, which presumably represent stars of various chemical compositions. The kinematic properties of each of these groups are explored via proper motions, and a strong signal emerges of differing proper-motion anisotropies with differing main-sequence color; the bluest main-sequence stars exhibit the largest proper-motion anisotropy which becomes undetectable for the reddest stars. In addition, the bluest stars are also the most centrally concentrated. A similar analysis for Small Magellanic Cloud stars, which are located in the background of 47 Tuc on our frames, yields none of the anisotropy exhibited by the 47 Tuc stars. We discuss implications of these results for possible formation scenarios of the various populations.

Richer, Harvey B.; Heyl, Jeremy [Department of Physics and Astronomy, University of British Columbia, Vancouver, BC V6T 1Z1 (Canada); Anderson, Jay; Kalirai, Jason S. [Space Telescope Science Institute, Baltimore, MD 21218 (United States); Shara, Michael M. [Department of Astrophysics, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024 (United States); Dotter, Aaron [Research School of Astronomy and Astrophysics, Australian National University, Weston, ACT 2611 (Australia); Fahlman, Gregory G. [National Research Council, Herzberg Institute of Astrophysics, Victoria, BC V9E 2E7 (Canada); Rich, R. Michael, E-mail: richer@astro.ubc.ca, E-mail: heyl@phas.ubc.ca, E-mail: jayander@stsci.edu, E-mail: jkalarai@stsci.edu, E-mail: mshara@amnh.org, E-mail: aaron.dotter@gmail.com, E-mail: greg.fahlman@nrc-cnrc.gc.ca, E-mail: rmr@astro.ucla.edu [Division of Astronomy and Astrophysics, University of California at Los Angeles, Los Angeles, CA 90095 (United States)

2013-07-01T23:59:59.000Z

426

LETTER TO THE EDITOR An extended structural signature  

E-Print Network [OSTI]

that include the first motif that has been charac- terized in RNA molecules, namely the U-turn motif (Quigley and the OR atom of residue 35, and a sharp reversal of the phosphodiester backbone following U33 (Quigley & Rich) hydrogen bond is formed (Quigley & Rich, 1976)+ Indeed, such a hydrogen bond can be formed when a purine

Westhof, Eric

427

Microsoft Word - finalMOU-4-signature1.doc  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment SurfacesResource Program Preliminary Needs535:UFC5,Overview ofLanceB -49 0 2 4message

428

Testing, Training, and Signature Devices | Y-12 National Security Complex  

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

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

429

Researchers Directly Observe Oxygen Signature in the Oxygen-evolving  

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 the1 -the Mid-Infrared atEffect of DryCorrectionComplexAdministration |AreComplex

430

Chicago Office Manager's Signature Log Privacy Impact Assessment  

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 andAccessCO2 Injection Begins8: VariableChapterVersion Sep 2011

431

Experiments Provide First Direct Signatures of a Topological Insulator - a  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation ProposedUsing ZirconiaPolicy and Assistance100Jefferson LabAuxiliarydeterminedNew Phase of

432

Integrated Molecular Signature of Disease: Analysis of Influenza  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation ProposedUsingFunInfrared Land SurfaceVirus-Infected Macaques through Functional Genomics and |

433

Intrusion Detecting Using Secure Signatures - Energy Innovation Portal  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation ProposedUsingFunInfrared LandResponses to EngineeredADepartment of1999Two SignElectricity

434

Investigation of Magnetic Signatures and Microstructures for Heat-Treated  

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

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

435

Microsoft Word - eMST report - for signature.docx  

Office of Scientific and Technical Information (OSTI)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinan antagonist Journal Article: Crystal structureComposite--FORRemarksHEATINGI5613,SRNL-STI-2012-00193

436

Microsoft Word - 11-0434 _signature on file_ _2_.docx  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces andMapping RichlandScatteringWater Vapor77 PAGE896:UFC 2300.00434:UFC

437

Microsoft Word - 11-0607 _signature on file_ _2_.docx  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces andMapping RichlandScatteringWater Vapor77 PAGE896:UFC

438

Microsoft Word - 11-0656 _signature on file_.docx  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces andMapping RichlandScatteringWater Vapor77 PAGE896:UFC649:UFC

439

Microsoft Word - 13-2308 (WORD FORMAT) Signature on File  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces andMapping RichlandScatteringWater308:UFC 2300.00 Department of Energy

440

Microsoft Word - Memorandum for the Under Secretary for Greg's Signature  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarly Careerlumens_placard-green.eps MoreWSRC-STI-2007-00250 Rev. 0 SOLICITATIONBEFORE THE11 Summary On

Note: This page contains sample records for the topic "logan sholar signature" 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

RKA Security beyond the Linear Barrier: IBE, Encryption and Signatures  

E-Print Network [OSTI]

-KEM from the BMW scheme 15 7.1 RKA for the KEM-DEM paradigm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 7.2 An RKA-secure CCA-KEM from the BMW scheme . . . . . . . . . . . . . . . . . . . . . 16 8 RKA

442

Interhemispheric effective and functional cortical connectivity signatures of spina bifida  

E-Print Network [OSTI]

are consistent with callosal anomaly Sheida Malekpour a , Zhimin Li b , Bing Leung Patrick Cheung a , Eduardo M. Castillo c , Andrew C. Papanicolaou c , Larry A. Kramer d , Jack M. Fletcher e , Barry D. Van Veen a , a, such as Granger causality, or assumed generative models (Valdes-Sosa et al., 2011). This paper presents a study

Van Veen, Barry D.

443

CURRICULUM VITAE L. Clarke Cox, Ph.D.  

E-Print Network [OSTI]

.D. Bowling Green State University Bowling Green, Ohio 1975 Research Affiliations: Rainbow Babies & Children (1988 ­ 1996) Assistant & Associate Professor of Audiology Cleveland State University, 1975-1988 Education: B.S. Utah State University Logan, Utah 1972 M.S. Utah State University Logan, Utah 1973 Ph

Guenther, Frank

444

ISA | InTech Home 19 March 2009  

E-Print Network [OSTI]

and efficiencies similar to those we have achieved with platinum-catalyzed carbon cloth," said Bruce E. Logan, Penn they had to locate the stainless steel brush very close to the graphite fiber brush anode for optimum energy recovery," Logan said. He did say however, "One problem might be the stainless steel brushes

445

Email a Friend Printer Friendly  

E-Print Network [OSTI]

-catalyzed carbon cloth," says Bruce E. Logan, Kappe professor of environmental engineering. The brushes used were cathode needed to be placed very close to the graphite fiber brush anode for optimum effect. At an applied brushes show great promise in that they have high current densities and high energy recovery," says Logan

446

Stainless steel replaces platinum to produce hydrogen Friday, March 13, 2009  

E-Print Network [OSTI]

-catalyzed carbon cloth," says Bruce E. Logan, Kappe professor of environmental engineering. The brushes used were cathode needed to be placed very close to the graphite fiber brush anode for optimum effect. At an applied brushes show great promise in that they have high current densities and high energy recovery," says Logan

447

Vice PreSident fOr reSearch  

E-Print Network [OSTI]

that's flushed down drains and toilets. To make a microbial fuel cell, Logan continues, "you take current to boost the action of the bacteria in a microbial fuel cell, Logan can reconfigure the cell how the bacteria within microbial fuel cells do their work. "That's what research is re- ally all

448

Research Frontiers in Environmental  

E-Print Network [OSTI]

September 15, 1998 Editors: Bruce E. Logan Charles R. O'Melia Bruce E. Rittmann A Report of a Workshop On January 14-16, 1998, a meeting was held at the Asilomar Conference Center in Monterey, California Chairs, Bruce Logan and Charles O'Melia, based on either membership in the National Academy

449

DIRECTIONS TO THE UNIVERSITY OF MASSACHUSETTS AMHERST CAMPUS From the South  

E-Print Network [OSTI]

"From the South" directions above.) Logan International Airport (Boston) is 90 miles east of UMass for Interstate 91 (south) and use the "From the North" directions above. By Air: Bradley International Airport.) By Bus: Peter Pan Bus Lines (800-343-9999) links the campus to Bradley and Logan airports as well

Massachusetts at Amherst, University of

450

Analysis of Airport Performance using Surface Surveillance Data: A Case Study of BOS  

E-Print Network [OSTI]

operational performance of an airport, and present them for the specific case of Boston Logan International. For this study, we used ASDE-X data from Boston Logan International Airport (BOS), dra of Technology, Cambridge, MA 02139. hamsa@mit.edu. AIAA Member. Operations Manager, Boston Airport Traffic

Gummadi, Ramakrishna

451

Optimal Control of Airport Operations with Gate Capacity Constraints Harshad Khadilkar and Hamsa Balakrishnan  

E-Print Network [OSTI]

at Boston's Logan International Airport in the US are used to illustrate the advantages of the proposed for Boston Logan International Airport (BOS) is shown in Fig. 1. Gates at each of the four main terminalsOptimal Control of Airport Operations with Gate Capacity Constraints Harshad Khadilkar and Hamsa

Gummadi, Ramakrishna

452

DEMONSTRATION OF REDUCED AIRPORT CONGESTION THROUGH PUSHBACK RATE CONTROL  

E-Print Network [OSTI]

strategy to airport congestion control at Boston Logan International Airport. The approach determines Demonstration at Boston Logan International Airport (BOS) was to show that a significant portion and Astronautics Massachusetts Institute of Technology Cambridge, MA, USA B. Reilly Boston Airport Traffic Control

453

A Decision Support Tool for the Pushback Rate Control of Airport Departures  

E-Print Network [OSTI]

-testing of these types of strategies at Boston Logan International Airport, focusing on the communication). Boston Logan International Airport (BOS) is a major airport in the United States, and serves1 A Decision Support Tool for the Pushback Rate Control of Airport Departures Melanie Sandberg

Gummadi, Ramakrishna

454

American Institute of Aeronautics and Astronautics Impact of Arrivals on Departure Taxi Operations at Airports  

E-Print Network [OSTI]

-out operations. Through an analysis of departures out of John F. Kennedy International Airport and Boston Logan affect departure operations at Boston Logan International Airport (BOS) as well as those at other International Airport, several variables affecting taxi-out times were identified, including primarily

Gummadi, Ramakrishna

455

Demonstration of Reduced Airport Congestion through Pushback Rate Control  

E-Print Network [OSTI]

of a congestion control strategy at Boston Logan International Airport. The approach determines a suggested rate Control Demonstration at Boston Logan International Airport (BOS) was to show that a significant portionDemonstration of Reduced Airport Congestion through Pushback Rate Control Ioannis Simaiakis

Gummadi, Ramakrishna

456

DIRECTIONS TO THE UNIVERSITY OF MASSACHUSETTS AMHERST CAMPUS From the South  

E-Print Network [OSTI]

(north) and use "From the South" directions above.) Logan International Airport (Boston) is 90 miles east International Airport (Hartford/Springfield) is 45 miles south of UMass Amherst. (Follow signs to Interstate 91 above.) By Bus: Peter Pan Bus Lines (800-343-9999) links the campus to Bradley and Logan airports

Massachusetts at Amherst, University of

457

This is an author-deposited version published in: http://oatao.univ-toulouse.fr/ Eprints ID: 5647  

E-Print Network [OSTI]

with two sources of inoculum, anaerobic sludge and garden compost, to produce electricity in microbial fuel and Lovley, 2005; Holmes et al., 2004; Min and Logan, 2004), alcohols like ethanol and methanol (Kim et al) and cereal- (Oh and Logan, 2005) and potato-producing units (Rabaey et al., 2005). Solid agricultural wastes

Mailhes, Corinne

458

BioElectrochemically Assisted Microbial Reactor  

E-Print Network [OSTI]

microbial fuel cell-based technologies. Bruce Logan and John M. Regan Hydrogen Energy Center. Technol. (2005) Hydrogen recovery: Acetate: > 95% (3.8 mol/mol) achieved Glucose: > 90% (11 mol/m3 ) Above results: Cheng and Logan (unpublished) · · View Our Presentation From NHA Hydrogen

Lee, Dongwon

459

We are constantly developing next-generation MFC designs in an effort to increase power,  

E-Print Network [OSTI]

, but hydrogen yields are low and need to be improved. #12;Here are a few of the microbial fuel cells that have and looks a lot like a conventional hydrogen fuel cell. This MFC has a proton exchange membrane sandwiched.engr.psu.edu/ce/ENVE/logan.htm International Microbial Fuel Cell Website: www.microbialfuelcell.org Professor Bruce Logan Kappe Professor

Lee, Dongwon

460

automatic testing devices: Topics by E-print Network  

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

Gordon D. Logan 1992-01-01 107 Standard Test Method for Determining the Linearity of a Photovoltaic Device Parameter with Respect To a Test Parameter CERN Preprints Summary: 1.1...

Note: This page contains sample records for the topic "logan sholar signature" 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

CX-002098: Categorical Exclusion Determination | Department of...  

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

Determination CX-002098: Categorical Exclusion Determination Condensing Summer Boiler CX(s) Applied: B2.1, B2.5, A9, B5.1 Date: 04192010 Location(s): Logan, Utah...

462

DOE/OR/07-2247&D1  

Office of Environmental Management (EM)

f 8.11 Ohio Environmental Protection Agency Southeast District Office 2195 Front Street Logan, Ohio 43138 Dear Ms. Galanti: PPPO-03-1335655-12 REMOVAL ACTION COMPLETION REPORT...

463

E-Print Network 3.0 - aortic lipid peroxidation Sample Search...  

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

2005;72:171178 Summary: , 12;172 Pathobiology 2005;72:171-178 LoganParkerShi when acrolein, a lipid peroxidation (LPO... ;216:23-32. 8 Luo J, Uchida K, Shi R: Lipid...

464

Demonstration of Reduced Airport Congestion Through Pushback Rate Control  

E-Print Network [OSTI]

Airport surface congestion results in significant increases in taxi times, fuel burn and emissions at major airports. This paper presents the field tests of a control strategy to airport congestion control at Boston Logan ...

Simaiakis, Ioannis

2011-02-02T23:59:59.000Z

465

Electrochemical struvite precipitation from digestate with a fluidized bed cathode microbial  

E-Print Network [OSTI]

Electrochemical struvite precipitation from digestate with a fluidized bed cathode microbial electrolysis cell Roland D. Cusick*, Mark L. Ullery, Brian A. Dempsey, Bruce E. Logan Department of Civil January 2014 Available online 6 February 2014 Keywords: Microbial electrolysis cell Electrochemical

466

EASTBIO DTP Research Training Bioenergy & Industrial Biotechnology Priority Area  

E-Print Network [OSTI]

. Logan, `Exoelectrogenic bacteria that power'microbial fuel cells', Microbiology 7 (May 2009), 375 optimization Suggested papers: Papers by Tom Ward and some of his own work. This includes bioconjugation

Spoel, Steven

467

Click to edit Master title style DATA CENTER  

E-Print Network [OSTI]

:code KBOS ICOA_code.1:code LYBE ICOA_code.1:code EDDM BEG MUC Boston Logan Airport Belgrade Nikola Tesla Airport, Belgrade Franz Josef Strauss International Airport IATA_code.1 #12;M Dictionary

Brock, David

468

Long-term Abstract Learning of Attentional Set Andrew B. Leber  

E-Print Network [OSTI]

Long-term Abstract Learning of Attentional Set Andrew B. Leber University of New Hampshire Jun in which they are used (see Cooper & Shallice, 2000; Norman & Shallice, 1986; see also Logan, 1988); after

Leber, Andy

469

Simulated watershed responses to land cover changes using the Regional Hydro-Ecological Simulation System  

E-Print Network [OSTI]

Simulated watershed responses to land cover changes using the Regional Hydro-Ecological Simulation Old Main Hill, Logan, UT, 84322-8200, USA Abstract: In this work, we used the Regional Hydro

Tarboton, David

470

Ms. Maria Galanti  

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

Office 2195 Front Street Logan, Ohio 43138 Dear Ms. Galanti: PPPO-03-1158259-11 CONSTRUCTION COMPLETION REPORT FOR REMOVAL OF THE X-533 SWITCHYARD COMPLEX AT THE PORTSMOUTH...

471

advisory committee meetings: Topics by E-print Network  

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

includes gradients, divergence, curl, Laplacian, integration by parts formulae and Greens identities. (2 Logan, David First Page Previous Page 1 2 3 4 5 6 7 8 9 10 11 12 13 14...

472

advisory committee meeting: Topics by E-print Network  

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

includes gradients, divergence, curl, Laplacian, integration by parts formulae and Greens identities. (2 Logan, David First Page Previous Page 1 2 3 4 5 6 7 8 9 10 11 12 13 14...

473

Fusion Development Path Panel Preliminary Report  

E-Print Network [OSTI]

Laboratory · Grant Logan, Lawrence Berkeley National Laboratory · Kathryn McCarthy, Idaho National. #12;Principles: Portfolio Management (a) The plan recognizes that difficult scientific opportunities for moving forward with fusion energy and they face largely independent scientific

474

E-Mail This Article Printer-Friendly Version  

E-Print Network [OSTI]

, such as yields of 91 percent using vinegar (acetic acid) and 68 percent using cellulose," Logan was quoted. In a microbial electrolysis cell (MEC), bacteria break up fermented plant waste to form hydrogen. A couple

475

THE COMMUNICATOR inside Publication Mail: 40062527  

E-Print Network [OSTI]

been part of Memorial's community garden since his birth in 2011. When Logan was an infant, his mother as sharing their own experiences." Carol has earned numerous certificates, including certificates

deYoung, Brad

476

An examination of interference in waste solidification through measurement of heat signature  

SciTech Connect (OSTI)

The hydration of cementing materials is accompanied by heat evolution which is closely related to their structure development. The presence of wastes usually interferes with the hydration of cementing materials. This study examined their interference in waste stabilization/solidification processes through the measurement of adiabatic heat evolution using a computerized Quadrel{trademark} system. Two cementitious materials, an alkali-activated blast furnace slag binder and an ASTM Type 1 Portland cement were used to solidify an electric arc furnace (EAF) dust, which has high concentrations of B, Cr, Hg, Pb, Ni and Zn. The EAF dust contents were 0, 30 and 60% by mass. Different mixing conditions were also examined. The interference of EAF dust with the hydration of cementing materials was described using several parameters derived from the heat evolution curves: equivalent initial time of setting (equivalent time at 20 C); total heat evolution at initial time of setting; equivalent final time of setting, total heat evolution at final time of setting and total heat evolution at equivalent time of 28 and 90 days. Experimental results indicated that the Quadrel{trademark} system was a useful tool to examine the interference in waste stabilization/solidification and to assist with the selection of cementing materials.

Shi, C.; Stegemann, J.; Caldwell, R. [Water Technology International Corp., Burlington, Ontario (Canada)] [Water Technology International Corp., Burlington, Ontario (Canada)

1998-07-01T23:59:59.000Z

477

Fission-product-release signatures for LWR fuel rods failed during PCM and RIA transients  

SciTech Connect (OSTI)

This paper discusses fission product release from light-water-reactor-type fuel rods to the coolant loop during design basis accident tests. One of the tests was a power-cooling-mismatch test in which a single fuel rod was operated in film boiling beyond failure. Other tests discussed include reactivity initiated accident (RIA) tests, in which the fuel rods failed as a result of power bursts that produced radial-average peak fuel enthalpies ranging from 250 to 350 cal/g. One of the RIA tests used two previously irradiated fuel rods. On-line gamma spectroscopic measurements of short-lived fission products, and important aspects of fission product behavior observed during the tests, are discussed. Time-dependent release fractions for short-lived fission products are compared with release fractions suggested by: the Reactor Safety Study; NRC Regulatory Guides; and measurements from the Three Mile Island accident. Iodine behavior observed during the tests is discussed, and fuel powdering is identified as a source of particulate fission product activity, the latter of which is neglected for most accident analyses.

Osetek, D.J.; King, J.J.; Croucher, D.W.

1981-01-01T23:59:59.000Z

478

Signature of Shallow Potentials in Deep Sub-barrier Fusion Reactions  

E-Print Network [OSTI]

We extend a recent study that explained the steep falloff in the fusion cross section at energies far below the Coulomb barrier for the symmetric dinuclear system 64Ni+64Ni to another symmetric system, 58Ni+58Ni, and the asymmetric system 64Ni+100Mo. In this scheme the very sensitive dependence of the internal part of the nuclear potential on the nuclear equation of state determines a reduction of the classically allowed region for overlapping configurations and consequently a decrease in the fusion cross sections at bombarding energies far below the barrier. Within the coupled-channels method, including couplings to the low-lying 2+ and 3- states in both target and projectile as well as mutual and two-phonon excitations of these states, we calculate and compare with the experimental fusion cross sections, S-factors, and logarithmic derivatives for the above mentioned systems and find good agreement with the data even at the lowest energies. We predict, in particular, a distinct double peaking in the S-factor for the far subbarrier fusion of 58Ni+58Ni which should be tested experimentally.

S. Misicu; H. Esbensen

2007-02-15T23:59:59.000Z

479

A search for signatures of dark matter in the AMS-01 electron and antiproton spectrum  

E-Print Network [OSTI]

If dark matter consists of Weakly Interacting Massive Particles (WIMPs), such as the supersymmetric neutralino, various theories predict that their annihilation in the galaxy can give rise to anomalous features in the ...

Carosi, Gianpaolo Patrick

2006-01-01T23:59:59.000Z

480

The radial velocity signature of tides raised in stars hosting exoplanets  

E-Print Network [OSTI]

Close-in, massive exoplanets raise significant tides in their stellar hosts. We compute the radial velocity (RV) signal due to this fluid motion in the equilibrium tide approximation. The predicted RVs in the observed ...

Arras, Phil

Note: This page contains sample records for the topic "logan sholar signature" 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

National Nanotechnology Initiative's Signature Initiative Sustainable Nanomanufacturing: Creating the Industries of the Future  

Broader source: Energy.gov [DOE]

Presentation for the Sustainable Nanomaterials Workshop by National Nanotechnology Coordination Office held on June 26, 2012

482

Auroral precipitation fading before and at substorm onset: ionospheric and geostationary signatures  

E-Print Network [OSTI]

place during magnetically disturbed conditions caused by continuous energy input from the solar wind, Helsinki, Finland 2 Swedish Institute of Space Physics, Uppsala, Sweden (also: visiting Prof. at Finnish of the approaching auroral bulge. The AE index and solar- wind data reveal that the fading has a tendency to take

Paris-Sud XI, Université de

483

HEPPA 2011 Session 3. 3.8 Atmospheric signatures of REP  

E-Print Network [OSTI]

and energy spectra available today of solar proton events, auroral energy electrons, and relativistic Zealand. (3) Finnish Meteorological Institute, Helsinki, Finland. (4) EISCAT Scientific Association, Kiruna, Sweden. (5) Sodankyl¨a Geophysical Observatory, Sodankyl¨a, Finland. Energetic particle

Ulich, Thomas

484

An exploration of corporate entrepreneurship : venturing signatures and their underlying dynamics  

E-Print Network [OSTI]

The primary goal of this work is to broadly explore the factors influencing corporate entrepreneurship and to examine how its many elements can be linked together. A broad reading of the published literature on corporate ...

Furst, Michael R

2005-01-01T23:59:59.000Z

485

Signatures of Restoration and Management Changes in the Water Quality of a Central California Estuary  

E-Print Network [OSTI]

Beck, N.G. , and K.W. Bruland. 2000. Diel biogeochemicalA.T. Fisher, and K.W. Bruland. 2001. Modeling water, heat,1984; Nixon 1995; Beck and Bruland 2000; Beck et al. 2001;

Gee, Alison K.; Wasson, Kerstin; Shaw, Susan L.; Haskins, John

2010-01-01T23:59:59.000Z

486

Larval Behavior and Natural Trace Element Signatures as Indicators of Crustacean Population Connectivity  

E-Print Network [OSTI]

et al. 2005, Hurst & Bruland 2008) and travels a variableFlegal et al. 1991, Hurst & Bruland 2008). DISCUSSION Ouret al. 1991, Hurst & Bruland 2008, Hwang et al. 2009), were

Miller, Seth Haylen

2011-01-01T23:59:59.000Z

487

Case Study on Enhancing Equipment Efficiency and Operational Practices of a Signature LEED Building  

E-Print Network [OSTI]

-assurance and control process of commissioning has focused on HVAC systems. However, mechanical engineers charged with the task of acting as the commissioning authority (CA) are faced with non-HVAC building systems with which they may not have the expertise... Improved building operation and maintenance Improved building and worker productivity Enhanced the market resale value for building owners Project Description Building Information The project is a 12 story mid-rise Class A office building...

Tseng, P.

2005-01-01T23:59:59.000Z

488

Current-driven Domain Wall Dynamics And Its Electric Signature In Ferromagnetic Nanowires  

E-Print Network [OSTI]

We study current-induced domain wall dynamics in a thin ferromagnetic nanowire. We derive the effective equations of domain wall motion, which depend on the wire geometry and material parameters. We describe the procedure to determine...

Liu, Yang

2012-10-19T23:59:59.000Z

489

SIGNATURE OF THIS MEMORAND TES A RECORD OF THIS DECISION. NEPA...  

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

Tech University's objective for this project is to develop a wind power energy storage system that will have uses at various levels of wind power generation systems. They will...

490

Advances in signatures, encryption, and E-Cash from bilinear groups  

E-Print Network [OSTI]

We present new formal definitions, algorithms, and motivating applications for three natural cryptographic constructions. Our constructions are based on a special type of algebraic group called bilinear groups. 1. ...

Hohenberger, Susan Rae, 1978-

2006-01-01T23:59:59.000Z

491

System design and dynamic signature identification for intelligent energy management in residential buildings.  

E-Print Network [OSTI]

climates, Journal of Thermal Envelope and Building Science ,the eectiveness of the envelope's thermal insulation on theBuilding 3.1.1 Thermal properties The envelope of a building

Jang, Jaehwi

2008-01-01T23:59:59.000Z

492

Signatures of selection in loci governing major colour patterns in Heliconius butterflies and related species  

E-Print Network [OSTI]

pigmentation [6-8]. Increasingly, the importance of cis-regulatory elements (CREs) as the creative force in evolution has assumed center stage [9,3]. The theoretical basis for this hypoth- esis is that every gene possesses a modular arrangement of 5 CREs... on s At tr ibuti on L ic e ns e ( h tt p: // c re a ti ve c om m o ns.o r g/ li ce ns e s /b y/ 2.0 ), w hi ch p e rm i ts unr e s tr i ct e d use, di s tr i butio n, an d re p ro duct io n in a ny m e d ium, p ro v id e d t he or ig in a l w or k i s p ro p...

Wu, Grace C; Joron, Mathieu; Jiggins, Chris D

2010-11-29T23:59:59.000Z

493

GUIDANCE ON IMPLEMENTNG THE ELECTRONIC SIGNATURES IN GLOBAL AND NATIONAL COMMERCE ACT (E-SIGN)  

E-Print Network [OSTI]

OF TRANSACTIONS BETWEEN PRIVATE PARTIES (CONTRACT FORMATION, NOTICES, AND DISCLOSURES) B. RECORD RETENTION AS MARKET PARTICIPANT F. EFFECTIVE DATES OMB developed this document with substantial help from to commercial, consumer, and business transactions affecting interstate or foreign commerce, and to transactions

494

Aerial Neutron Detection: Neutron Signatures for Nonproliferation and Emergency Response Applications  

SciTech Connect (OSTI)

From 2007 to the present, the Remote Sensing Laboratory has been conducting a series of studies designed to expand our fundamental understanding of aerial neutron detection with the goal of designing an enhanced sensitivity detection system for long range neutron detection. Over 35 hours of aerial measurements in a helicopter were conducted for a variety of neutron emitters such as neutron point sources, a commercial nuclear power reactor, nuclear reactor spent fuel in dry cask storage, depleted uranium hexafluoride and depleted uranium metal. The goals of the project were to increase the detection sensitivity of our instruments such that a 5.4 104 neutron/second source could be detected at 100 feet above ground level at a speed of 70 knots and to enhance the long-range detection sensitivity for larger neutron sources, i.e., detection ranges above 1000 feet. In order to increase the sensitivity of aerial neutron detection instruments, it is important to understand the dynamics of the neutron background as a function of altitude. For aerial neutron detection, studies have shown that the neutron background primarily originates from above the aircraft, being produced in the upper atmosphere by galactic cosmic-ray interactions with air molecules. These interactions produce energetic neutrons and charged particles that cascade to the earths surface, producing additional neutrons in secondary collisions. Hence, the neutron background increases as a function of altitude which is an impediment to long-range neutron detection. In order to increase the sensitivity for long range detection, it is necessary to maintain a low neutron background as a function of altitude. Initial investigations show the variation in the neutron background can be decreased with the application of a cosmic-ray shield. The results of the studies along with a representative data set are presented.

Maurer, Richard J.; Stampahar, Thomas G.; Smith, Ethan X.; Mukhopadhyay, Sanjoy; Wolff, Ronald S.; Rourke, Timothy J.; LeDonne, Jeffrey P.; Avaro, Emanuele; Butler, D. Andre; Borders, Kevin L.; Stampahar, Jezabel; Schuck, William H.; Selfridge, Thomas L.; McKissack, Thomas M.; Duncan, William W.; Hendricks, Thane J.

2012-10-17T23:59:59.000Z

495

Measuring prehistoric mobility strategies based on obsidian geochemical and technological signatures in the Owens Valley, California  

E-Print Network [OSTI]

Measuring prehistoric mobility strategies based on obsidian geochemical and technological; Lithic technology; LA-ICP-MS; Mobility strategies; Owens Valley 1. Introduction Obsidian studies compare the organization of obsidian flaked stone technologies in two different time periods at CA-INY-30

496

Source Signatures of Fine Particulate Matter from Petroleum Refining and Fuel Use  

SciTech Connect (OSTI)

Combustion experiments were carried out on four different residual fuel oils in a 732 kW boiler. Particulate matter (PM) emission samples were separated aerodynamically by a cyclone into fractions that were nominally less than and greater than 2.5 microns in diameter. However, examination of several of the samples by computer-controlled scanning electron microscopy (CCSEM) revealed that part of the <2.5 micron fraction (PM{sub 2.5}) in fact consists of carbonaceous cenospheres and vesicular particles that range up to 10 microns in diameter. X-ray absorption fine structure (XAFS) spectroscopy data were obtained at the S, V, Ni, Fe, Cu, Zn, and As Kedges, and at the Pb L-edge. Deconvolution of the x-ray absorption near edge structure (XANES) region of the S spectra established that the dominant molecular forms of S present were sulfate (26-84% of total S) and thiophene (13-39% of total S). Sulfate was greater in the PM{sub 2.5} samples than in the >2.5 micron samples (PM{sub 2.5+}). Inorganic sulfides and elemental sulfur were present in lower percentages. The Ni XANES spectra from all of the samples agree fairly well with that of NiSO4, while most of the V spectra closely resemble that of vanadyl sulfate (VO{center_dot}SO{sub 4}{center_dot}xH{sub 2}O). The other metals investigated (Fe, Cu, Zn, and Pb) were also present predominantly as sulfates. Arsenic is present as an arsenate (As{sup +5}). X-ray diffraction patterns of the PM{sub 2.5} fraction exhibit sharp lines due to sulfate compounds (Zn, V, Ni, Ca, etc.) superimposed on broad peaks due to amorphous carbons. All of the samples contain a significant organic component, with the LOI ranging from 64 to 87 % for the PM{sub 2.5} fraction and from 88 to 97% for the PM{sub 2.5+} fraction. {sup 13}C nuclear magnetic resonance (NMR) analysis indicates that the carbon is predominantly condensed in graphitic structures. Aliphatic structure was detected in only one of seven samples examined.

Gerald P. Huffman; Frank E. Huggins; Naresh Shah; Robert Huggins

1999-12-31T23:59:59.000Z

497

Authenticating Primary Users' Signals in Cognitive Radio Networks via Integrated Cryptographic and Wireless Link Signatures  

E-Print Network [OSTI]

any harmful interference to the primary user [17]. For example, in IEEE 802.22 WRANs, TV transmission towers are primary users, and radio devices that use TV channels for communication are secondary users should not use those channels to avoid interfering with the transmission of the primary user. Existing m

Ning, Peng

498

Universal correlators and distributions as experimental signatures of 2+1 Kardar-Parisi-Zhang growth  

E-Print Network [OSTI]

We examine height-height correlations in the transient growth regime of the 2+1 Kardar-Parisi-Zhang (KPZ) universality class, with a particular focus on the {\\it spatial covariance} of the underlying two-point statistics, higher-dimensional analog of the 1+1 KPZ Class Airy$_1$ process. Making comparison to AFM kinetic roughening data in 2d organic thin films, we use our universal 2+1 KPZ spatial covariance to extract key scaling parameters for this experimental system. Additionally, we explore the i) height, ii) local roughness, and iii) extreme value distributions characteristic of these oligomer films, finding compelling agreement in all instances with our numerical integration of the KPZ equation itself. Finally, investigating nonequilibrium relaxation phenomena exhibited by 2+1 KPZ Class models, we have unearthed a universal KPZ ageing kinetics. In experiments with ample data in the time domain, our 2+1 KPZ Euler {\\it temporal covariance} will allow a quick, independent estimate of the central KPZ scaling parameter.

T. Halpin-Healy; G. Palasantzas

2014-03-28T23:59:59.000Z

499

Organic Matter Analysis of Sediments from Simpson Bay, Alaska using Elemental, Stable Isotopic, and Molecular Signatures  

E-Print Network [OSTI]

-232. Nittrouer, C.A., R. W. Sternberg, R. Carpenter, and J. T. Bennet. 1979. The use of Pb- 10 geochronology as a sedimentological tool: Application of the Washin continental shelf. Marine Geology. 31: 297-316. Noll, C.J. 2005. A high resolution...

Pondell, Christina

2008-08-19T23:59:59.000Z

500

Uncovering Signatures of Domestication Using Genomic Resequencing and Association Mapping of Common Bean  

SciTech Connect (OSTI)

Phil McClean, North Dakota State University, speaking at the 9th Annual Genomics of Energy & Environment Meeting on March 19, 2014 in Walnut Creek, Calif

McClean, Phil [North Dakota State University

2014-03-19T23:59:59.000Z