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  1. M F

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    M F 3 S N O i i 0 3 r o y d ' , , , , * g . ; & . ' y ; ' ; ' . ^ ' i r , , » , , , » - ^ j M O O l i n O A O U 3 N 3 ( D I . / 9 6 ) 2 0 2 0 - V I 3 / 3 O C This publication and other Energy Information Administration (EIA) publications may be purchased from the Superintendent of Documents, U.S. Government Printing Office. Telephone orders may be directed to: Superintendent of Documents U.S. Government Printing Office Main Order Desk (202) 512-1800 FAX: (202)512-2250 8 a.m. to 4:30 p.m.,

  2. Power Subscription Announcements (contracts/subscription)

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    Contracts Regional Dialogue (Post-2006) Subscription Contracts Announcements Subscription Strategy Subscription Products Aluminum Study IOUPublic Settlement Slice of the System...

  3. Power Subscription Strategy (contracts/subscription)

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    Federal Power Marketing Subscription Power Subscription Strategy (originally posted December 21, 1998; updated June 25, 2004) On December 21, 1998, the Bonneville Power...

  4. BPA Power Subscription (pbl/contracts)

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    Contracts Regional Dialogue (Post-2006) Subscription Contracts Announcements Subscription Strategy Subscription Products Aluminum Study IOUPublic Settlement Slice of the System...

  5. Summaries of Subscription Workgroup Meetings (sub/background...

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    Contracts Regional Dialogue (Post-2006) Subscription Contracts Announcements Subscription Strategy Subscription Products Aluminum Study IOUPublic Settlement Slice of the System...

  6. Fermilab Today - Subscription Form

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    Subscription Form Subscribe | Contact Us | Archive | Classifieds | Guidelines | Help Search GO Subscribe to Fermilab Today This page has been moved. You will be automatically redirected to the new page below... http://news.fnal.gov/fermilab-at-work/subscribe-to-our-newsletter/ Last modified 12/14/2009 email Fermilab

  7. Subscription Information | Department of Energy

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

    Subscription Information Subscription Information The DOE Office of Inspector General's (OIG) Early Alert system is a distribution list used to inform subscribers (Congress, media, Government offices/personnel, academic institutions, taxpayers, etc.) of significant OIG reports, press releases, publications, etc. the moment they are posted on the DOE OIG web site. Subscription is free and available to anyone with an e-mail address that has an interest in DOE OIG work. To subscribe/unsubscribe to

  8. SNL Information Repository subscription form

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    2015 SANDIA NATIONAL LABORATORIES HAZARDOUS WASTE INFORMATION REPOSITORY INDEX Subscription form for hard copy notices of updates Name: Address: City: State: Zip: Please check each...

  9. Resolving Material-Specific Structures within Fe[subscript 3]O[subscript

    Office of Scientific and Technical Information (OSTI)

    4]|[gamma]-Mn[subscript 2]O[subscript 3] Core|Shell Nanoparticles Using Anomalous Small-Angle X-ray Scattering (Journal Article) | SciTech Connect Resolving Material-Specific Structures within Fe[subscript 3]O[subscript 4]|[gamma]-Mn[subscript 2]O[subscript 3] Core|Shell Nanoparticles Using Anomalous Small-Angle X-ray Scattering Citation Details In-Document Search Title: Resolving Material-Specific Structures within Fe[subscript 3]O[subscript 4]|[gamma]-Mn[subscript 2]O[subscript 3]

  10. Mailing List Subscription

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    Jefferson Lab Jefferson Lab Home Search Contact JLab Mailing List Subscription ---------------------- Please visit Jefferson Lab Computing for further information on managing your mailing lists. Subscribe Unsubscribe Your email address: You may subscribe/unsubscribe to these lists: cctest-alert clas_drift_chambers clas_offline clas_slow_control clas_strangep clas_tof credit-card csc_all cuga cugapost cugw dbgen dc_pwr dccc diam dnpprog e1_run e2_run earthwatch eedesign eg1_run egn_calcom

  11. Mailing List Subscription

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    Mailing List Subscription Jefferson Lab Home Search Contact JLab Descriptions A - C autocad: No description available briefs: On-Target Briefs cctest-alert: No description available clas_drift_chambers: Hall B Drift Chambers Group clas_offline: Discussion group for CLAS RECSIS group clas_slow_control: CLAS slow control working group clas_strangep: Hall B Strange Particles using CLAS discussion group clas_tof: CLAS Time of Flight Collaboration credit-card: List of JLab Credit Card buyers csc_all:

  12. Lithium cobalt(II) pyrophosphate, Li[subscript 1.86]CoP[subscript

    Office of Scientific and Technical Information (OSTI)

    2]O[subscript 7], from synchrotron X-ray powder data (Journal Article) | SciTech Connect SciTech Connect Search Results Journal Article: Lithium cobalt(II) pyrophosphate, Li[subscript 1.86]CoP[subscript 2]O[subscript 7], from synchrotron X-ray powder data Citation Details In-Document Search Title: Lithium cobalt(II) pyrophosphate, Li[subscript 1.86]CoP[subscript 2]O[subscript 7], from synchrotron X-ray powder data Structure refinement of high-resolution X-ray powder diffraction data of the

  13. Structural complexity of simple Fe[subscript 2]O[subscript 3] at high

    Office of Scientific and Technical Information (OSTI)

    pressures and temperatures (Journal Article) | SciTech Connect Journal Article: Structural complexity of simple Fe[subscript 2]O[subscript 3] at high pressures and temperatures Citation Details In-Document Search Title: Structural complexity of simple Fe[subscript 2]O[subscript 3] at high pressures and temperatures Authors: Bykova, E. ; Dubrovinsky, L. ; Dubrovinskaia, N. ; Bykov, M. ; McCammon, C. ; Ovsyannikov, S. V. ; Liermann, H. -P. ; Kupenko, I. ; Chumakov, A. I. ; Rüffer, R. ;

  14. Morphotropic Phase Boundaries in Ferromagnets: Tb[subscript

    Office of Scientific and Technical Information (OSTI)

    1-x]Dy[subscript x]Fe[subscript 2] Alloys (Journal Article) | SciTech Connect Tb[subscript 1-x]Dy[subscript x]Fe[subscript 2] Alloys Citation Details In-Document Search Title: Morphotropic Phase Boundaries in Ferromagnets: Tb[subscript 1-x]Dy[subscript x]Fe[subscript 2] Alloys Authors: Bergstrom, Jr., Richard ; Wuttig, Manfred ; Cullen, James ; Zavalij, Peter ; Briber, Robert ; Dennis, Cindi ; Garlea, V. Ovidiu ; Laver, Mark [1] ; NIST) [2] ; ORNL) [2] ; Maryland) [2] + Show Author

  15. Brochure HI Standards Subscription Options | Department of Energy

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    HI Standards Subscription Options Brochure HI Standards Subscription Options HI's Web-based Standards "packages" will provide you with all of the Standards appropriate for a...

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    lists Get the latest news and information on science and technology innovations in the service of national security through GovDelivery.com. (Use Subscribe button, below.)...

  17. Novel high pressure monoclinic Fe[subscript 2]O[subscript 3] polymorph

    Office of Scientific and Technical Information (OSTI)

    revealed by single-crystal synchrotron X-ray diffraction studies (Journal Article) | SciTech Connect SciTech Connect Search Results Journal Article: Novel high pressure monoclinic Fe[subscript 2]O[subscript 3] polymorph revealed by single-crystal synchrotron X-ray diffraction studies Citation Details In-Document Search Title: Novel high pressure monoclinic Fe[subscript 2]O[subscript 3] polymorph revealed by single-crystal synchrotron X-ray diffraction studies Authors: Bykova, Elena ; Bykov,

  18. Thermal equation of state and stability of (Mg[subscript 0.06]Fe[subscript

    Office of Scientific and Technical Information (OSTI)

    0.94])O (Journal Article) | SciTech Connect SciTech Connect Search Results Journal Article: Thermal equation of state and stability of (Mg[subscript 0.06]Fe[subscript 0.94])O Citation Details In-Document Search Title: Thermal equation of state and stability of (Mg[subscript 0.06]Fe[subscript 0.94])O Authors: Wicks, June K. ; Jackson, Jennifer M. ; Sturhahn, Wolfgang ; Zhuravlev, Kirill K. ; Tkachev, Sergey N. ; Prakapenka, Vitali B. [1] ; UC) [2] ; CIT) [2] + Show Author Affiliations

  19. Subscription/Membership Approval | The Ames Laboratory

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    Subscription/Membership Approval Version Number: 3.0 Document Number: Form 48300.035 Effective Date: 09/2014 File (public): PDF icon form_48300.035_rev3

  20. Effect of vacancies on the structure and properties of Ga[subscript

    Office of Scientific and Technical Information (OSTI)

    2](Se[subscript 0.33]Te[subscript 0.67])[subscript 3] (Journal Article) | SciTech Connect SciTech Connect Search Results Journal Article: Effect of vacancies on the structure and properties of Ga[subscript 2](Se[subscript 0.33]Te[subscript 0.67])[subscript 3] Citation Details In-Document Search Title: Effect of vacancies on the structure and properties of Ga[subscript 2](Se[subscript 0.33]Te[subscript 0.67])[subscript 3] Authors: Abdul-Jabbar, N.M. ; Forrest, T.R. ; Gronsky, R. ;

  1. Synthesis and equation of state of perovskite in the (Mg,Fe)[subscript

    Office of Scientific and Technical Information (OSTI)

    3]Al[subscript 2]Si[subscript 3]O[subscript 12] system to 177 GPa (Journal Article) | SciTech Connect Synthesis and equation of state of perovskite in the (Mg,Fe)[subscript 3]Al[subscript 2]Si[subscript 3]O[subscript 12] system to 177 GPa Citation Details In-Document Search Title: Synthesis and equation of state of perovskite in the (Mg,Fe)[subscript 3]Al[subscript 2]Si[subscript 3]O[subscript 12] system to 177 GPa Authors: Dorfman, Susannah M. ; Shieh, Sean R. ; Meng, Yue ; Prakapenka,

  2. ASC Newsletter Subscription | National Nuclear Security Administration

    National Nuclear Security Administration (NNSA)

    Newsletter Subscription | National Nuclear Security Administration Facebook Twitter Youtube Flickr RSS People Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Countering Nuclear Terrorism About Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Library Bios Congressional Testimony Fact Sheets Newsletters Press Releases Photo Gallery Jobs Apply for Our Jobs Our Jobs Working at

  3. Brochure HI Standards Subscription Options | Department of Energy

    Energy Savers [EERE]

    HI Standards Subscription Options Brochure HI Standards Subscription Options HI's Web-based Standards "packages" will provide you with all of the Standards appropriate for a specific pump technology. Select the package that is right for your business and the number of simultaneous users ("seats") you desire, and the state of the art, solution-oriented content you require will be at your fingertips. PDF icon J_Brochure_HI_Stds_Subscription_Options.pdf More Documents &

  4. Physical properties, crystal and magnetic structure of layered Fe[subscript

    Office of Scientific and Technical Information (OSTI)

    1.11]Te[subscript 1;#8722;x]Se[subscript x] superconductors (Journal Article) | SciTech Connect SciTech Connect Search Results Journal Article: Physical properties, crystal and magnetic structure of layered Fe[subscript 1.11]Te[subscript 1;#8722;x]Se[subscript x] superconductors Citation Details In-Document Search Title: Physical properties, crystal and magnetic structure of layered Fe[subscript 1.11]Te[subscript 1;#8722;x]Se[subscript x] superconductors The physical and structural

  5. Adrenaline-activated structure of [beta subscript 2]-adrenoceptor

    Office of Scientific and Technical Information (OSTI)

    stabilized by an engineered nanobody (Journal Article) | SciTech Connect Adrenaline-activated structure of [beta subscript 2]-adrenoceptor stabilized by an engineered nanobody Citation Details In-Document Search Title: Adrenaline-activated structure of [beta subscript 2]-adrenoceptor stabilized by an engineered nanobody Authors: Ring, Aaron M. ; Manglik, Aashish ; Kruse, Andrew C. ; Enos, Michael D. ; Weis, William I. ; Garcia, K. Christopher ; Kobilka , Brian K. [1] ; Stanford-MED) [2] +

  6. Supramolecular Packing Controls H[subscript 2] Photocatalysis in

    Office of Scientific and Technical Information (OSTI)

    Chromophore Amphiphile Hydrogels (Journal Article) | SciTech Connect Supramolecular Packing Controls H[subscript 2] Photocatalysis in Chromophore Amphiphile Hydrogels Citation Details In-Document Search Title: Supramolecular Packing Controls H[subscript 2] Photocatalysis in Chromophore Amphiphile Hydrogels Authors: Weingarten, Adam S. ; Kazantsev, Roman V. ; Palmer, Liam C. ; Fairfield, Daniel J. ; Koltonow, Andrew R. ; Stupp, Samuel I. [1] + Show Author Affiliations NWU Publication Date:

  7. Power Subscription Strategy: Administrator`s Record of Decision.

    SciTech Connect (OSTI)

    United States. Bonneville Power Administration

    1998-12-01

    The Bonneville Power Administration (BPA) has decided to adopt a Power Subscription Strategy for entering into new power sales contracts with its Pacific Northwest customers. The Strategy equitably distributes the electric power generated by the Federal Columbia River Power System (FCRPS) within the framework of existing law. The Power Subscription Strategy addresses the availability of power; describes power products; lays out strategies for pricing, including risk management; and discusses contract elements. In proceeding with this Subscription Strategy, BPA is guided by and committed to the Fish and Wildlife funding Principles for the BPA announced by the Vice President of the US in September 1998. This Record of Decision (ROD) addresses the issues raised by commenters who responded to BPA`s Power Subscription Strategy Proposal during and after the comment period that began with the release of the Proposal on September 18, 1998. The ROD is organized in approximately the same way as the Proposal and the Power Subscription Strategy that BPA developed based on the comments received. Abbreviations of party names used in citations appear in the section just preceding this introduction; a list of all the commenters follows the text of the ROD.

  8. Iron Pyrite Thin Films Synthesized from an Fe(acac)[subscript...

    Office of Scientific and Technical Information (OSTI)

    Iron Pyrite Thin Films Synthesized from an Fe(acac)subscript 3 Ink Citation Details In-Document Search Title: Iron Pyrite Thin Films Synthesized from an Fe(acac)subscript 3 Ink...

  9. The W-WO[subscript 2] oxygen fugacity buffer (WWO) at high pressure and

    Office of Scientific and Technical Information (OSTI)

    temperature: Implications for fO[subscript 2] buffering and metal-silicate partitioning (Journal Article) | SciTech Connect The W-WO[subscript 2] oxygen fugacity buffer (WWO) at high pressure and temperature: Implications for fO[subscript 2] buffering and metal-silicate partitioning Citation Details In-Document Search Title: The W-WO[subscript 2] oxygen fugacity buffer (WWO) at high pressure and temperature: Implications for fO[subscript 2] buffering and metal-silicate partitioning Authors:

  10. Thermal Expansion of the Orthorhombic Phase in the Ln[subscript

    Office of Scientific and Technical Information (OSTI)

    2]TiO[subscript 5] System (Journal Article) | SciTech Connect Journal Article: Thermal Expansion of the Orthorhombic Phase in the Ln[subscript 2]TiO[subscript 5] System Citation Details In-Document Search Title: Thermal Expansion of the Orthorhombic Phase in the Ln[subscript 2]TiO[subscript 5] System Authors: Seymour, Kevin C. ; Hughes, Robert W. ; Kriven, Waltraud M. [1] + Show Author Affiliations (UIUC) Publication Date: 2015-12-10 OSTI Identifier: 1229897 Resource Type: Journal Article

  11. Phase transitions and compressibility of NaMgF[subscript 3] (Neighborite)

    Office of Scientific and Technical Information (OSTI)

    in perovskite- and post perovskite-related structures (Journal Article) | SciTech Connect Phase transitions and compressibility of NaMgF[subscript 3] (Neighborite) in perovskite- and post perovskite-related structures Citation Details In-Document Search Title: Phase transitions and compressibility of NaMgF[subscript 3] (Neighborite) in perovskite- and post perovskite-related structures Authors: Martin, C. David ; Crichton, Wilson A. ; Liu, Haozhe ; Prakapenka, Vitali ; Chen, Jiuhua ; Parise,

  12. Rotationally Commensurate Growth of MoS[subscript 2] on Epitaxial Graphene

    Office of Scientific and Technical Information (OSTI)

    (Journal Article) | SciTech Connect SciTech Connect Search Results Journal Article: Rotationally Commensurate Growth of MoS[subscript 2] on Epitaxial Graphene Citation Details In-Document Search Title: Rotationally Commensurate Growth of MoS[subscript 2] on Epitaxial Graphene Authors: Liu, Xiaolong ; Balla, Itamar ; Bergeron, Hadallia ; Campbell, Gavin P. ; Bedzyk, Michael J. ; Hersam, Mark C. [1] + Show Author Affiliations NWU Publication Date: 2016-03-04 OSTI Identifier: 1240188 Resource

  13. The thermal equation of state of (Mg, Fe)SiO[subscript 3] bridgmanite

    Office of Scientific and Technical Information (OSTI)

    (perovskite) and implications for lower mantle structures (Journal Article) | SciTech Connect SciTech Connect Search Results Journal Article: The thermal equation of state of (Mg, Fe)SiO[subscript 3] bridgmanite (perovskite) and implications for lower mantle structures Citation Details In-Document Search Title: The thermal equation of state of (Mg, Fe)SiO[subscript 3] bridgmanite (perovskite) and implications for lower mantle structures Authors: Wolf, Aaron S. ; Jackson, Jennifer M. ; Dera,

  14. Traffic within the Cytochrome b[subscript 6]f Lipoprotein Complex: Gating

    Office of Scientific and Technical Information (OSTI)

    of the Quinone Portal (Journal Article) | SciTech Connect SciTech Connect Search Results Journal Article: Traffic within the Cytochrome b[subscript 6]f Lipoprotein Complex: Gating of the Quinone Portal Citation Details In-Document Search Title: Traffic within the Cytochrome b[subscript 6]f Lipoprotein Complex: Gating of the Quinone Portal Authors: Hasan, S. Saif ; Proctor, Elizabeth A. ; Yamashita, Eiki ; Dokholyan, Nikolay V. ; Cramer, William A. [1] ; Purdue) [2] ; Osaka) [2] + Show Author

  15. Crystal structure of the [beta subscript 2] adrenergic receptor–Gs protein

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

    complex (Journal Article) | SciTech Connect Journal Article: Crystal structure of the [beta subscript 2] adrenergic receptor–Gs protein complex Citation Details In-Document Search Title: Crystal structure of the [beta subscript 2] adrenergic receptor–Gs protein complex G protein-coupled receptors (GPCRs) are responsible for the majority of cellular responses to hormones and neurotransmitters as well as the senses of sight, olfaction and taste. The paradigm of GPCR signalling is the

  16. Effect of sulfur isotopic composition of zinc and lead sulfides on the E. M. F. of electrochemical cells

    SciTech Connect (OSTI)

    Lusk, J.; Krouse, H.R.; Batts, B.D.

    1988-03-01

    A new effect is reported in which unexpectedly large voltages are produced by electrochemical cells containing sulfides at natural isotopic abundance levels. Room temperature experiments were undertaken to determine whether electrochemical cells employing silver bromide and silver beta alumina as solid electrolytes would be sufficiently sensitive to detect small variations in sulfur isotopic composition for zinc and lead sulfides. Voltages obtained for silver bromide cells tended to increase progressively over at least 20 days, and increased in a regular fashion with increasing differences in isotopic composition between charges. Voltages exceeding 150 mV were obtained for /sup delta/S/sup 3,4/ differences up to 85 per mil for zinc sulfide, but reached only about 20 mV for lead sulfide. Silver beta alumina cells with opposing zinc and lead sulfide charges yielded larger voltages and E.M.F. minimum corresponding to a +8(/plus minus/2) per mil difference. This value shows reasonable agreement with interpolated 20/degrees/C equilibrium values of between +7.5 to +9.8 obtained from the literature. Matured silver bromide cells with opposed zinc and lead sulfide charges behaved similarly but yielded lower voltages. Silver concentration cells of the opposed type are thus able to detect isotopic equilibrium and this will permit calibration of sulfur isotope thermometers down to unexpectedly low temperatures.

  17. Iron speciation in minerals and glasses probed by M [subscript 2/3] -edge

    Office of Scientific and Technical Information (OSTI)

    X-ray Raman scattering spectroscopy (Journal Article) | SciTech Connect Iron speciation in minerals and glasses probed by M [subscript 2/3] -edge X-ray Raman scattering spectroscopy Citation Details In-Document Search Title: Iron speciation in minerals and glasses probed by M [subscript 2/3] -edge X-ray Raman scattering spectroscopy Authors: Nyrow, A. ; Sternemann, C. ; Wilke, M. ; Gordon, R.A. ; Mende, K. ; Yava ; #351 ; , H. ; Simonelli, L. ; Hiraoka, N. ; Sahle, Ch.J. ; Huotari, S. ;

  18. Cooling using complimentary tapered plenums

    DOE Patents [OSTI]

    Hall, Shawn Anthony (Pleasantville, NY)

    2006-08-01

    Where a fluid cooling medium cools a plurality of heat-producing devices arranged in a row along a generalized coordinate direction, with a space between each adjacent pair of devices, each space may have a partition that defines a boundary between a first plenum and a second plenum. The first plenum carries cooling medium across an entrance and thence into a first heat-producing device located on a first side of the partition facing the first plenum. The second plenum carries cooling medium away from a second heat-producing device located on a second side of the partition facing the second plenum and thence across an exit. The partition is disposed so that the first plenum becomes smaller in cross-sectional area as distance increases from the entrance, and the second plenum becomes larger in cross sectional area as distance decreases toward the exit.

  19. Full-length G[alpha subscript q]–phospholipase C-[beta]3 structure reveals

    Office of Scientific and Technical Information (OSTI)

    interfaces of the C-terminal coiled-coil domain (Journal Article) | SciTech Connect Full-length G[alpha subscript q]–phospholipase C-[beta]3 structure reveals interfaces of the C-terminal coiled-coil domain Citation Details In-Document Search Title: Full-length G[alpha subscript q]–phospholipase C-[beta]3 structure reveals interfaces of the C-terminal coiled-coil domain Authors: Lyon, Angeline M. ; Dutta, Somnath ; Boguth, Cassandra A. ; Skiniotis, Georgios ; Tesmer, John J.G. [1] + Show

  20. The effect of f[subscript O2] on the partitioning and valence of V and Cr

    Office of Scientific and Technical Information (OSTI)

    in garnet/melt pairs and the relation to terrestrial mantle V and Cr content (Journal Article) | SciTech Connect Journal Article: The effect of f[subscript O2] on the partitioning and valence of V and Cr in garnet/melt pairs and the relation to terrestrial mantle V and Cr content Citation Details In-Document Search Title: The effect of f[subscript O2] on the partitioning and valence of V and Cr in garnet/melt pairs and the relation to terrestrial mantle V and Cr content Chromium and vanadium

  1. Fermilab Today - Subscription Form

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    | Contact Us | Archive | Classifieds | Guidelines | Help Search GO Contact Fermilab Today Send comments or questions to Fermilab Today: Phone 630-840-3351 Email today@fnal.gov...

  2. FermiCulture Subscription Form

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    The FermiCulture email list is used to send email announcements and reminders about upcoming cultural events at Fermilab (e.g., the Fermilab Arts, Film, and Lecture series). This is a private, announcement-only mail list and will never be used for spamming or discussions. Subscribers receive approximately five emails per month. Use the form below to subscribe to (or unsubscribe from) the FermiCulture list. Email address: Name (First Last): Subscribe to email list Unsubscribe from email list Send

  3. Photomagnetic Switching of the Complex [Nd(dmf)[subscript 4](H[subscript 2]O)[subscript 3]([mu]-CN)Fe(CN)[subscript 5

    SciTech Connect (OSTI)

    Svendsen, Helle; Overgaard, Jacob; Chevallier, Marie; Collet, Eric; Iversen, Bo B.

    2009-10-21

    Single-crystal XRD experiments (see picture) reveal the excited-state structure of the photomagnetic heterobimetallic title complex. The system shows a decrease in all the iron-ligand bond lengths, suggesting that photoexcitation involves a ligand-to-metal charge transfer or a change in the superexchange coupling between the metal centers.

  4. NW Aluminum Industry Study (contracts/subscription)

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

    (44 kb) MSWord Version (74 kb) Archive of content originally provided by: Phyllis Dowty, BPA Power Business Line. Content currently provided by: PBL Requirements Marketing - PS...

  5. Fermilab | Science Next Door | Subscription Form

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    Facebook row spacer Twitter row spacer YouTube row spacer Subscribe | Fermilab Home row spacer row spacer row spacer Subscribe to Science Next Door If you would like to receive...

  6. ASC Newsletter Subscription | National Nuclear Security Administration

    National Nuclear Security Administration (NNSA)

    Our Programs Defense Programs Future Science & Technology Programs Advanced Simulation and Computing and Institutional R&D Programs ASC Newsletters ASC Newsletter...

  7. MODEL 9977 B(M)F-96 SAFETY ANALYSIS REPORT FOR PACKAGING

    SciTech Connect (OSTI)

    Abramczyk, G; Paul Blanton, P; Kurt Eberl, K

    2006-05-18

    This Safety Analysis Report for Packaging (SARP) documents the analysis and testing performed on and for the 9977 Shipping Package, referred to as the General Purpose Fissile Package (GPFP). The performance evaluation presented in this SARP documents the compliance of the 9977 package with the regulatory safety requirements for Type B packages. Per 10 CFR 71.59, for the 9977 packages evaluated in this SARP, the value of ''N'' is 50, and the Transport Index based on nuclear criticality control is 1.0. The 9977 package is designed with a high degree of single containment. The 9977 complies with 10 CFR 71 (2002), Department of Energy (DOE) Order 460.1B, DOE Order 460.2, and 10 CFR 20 (2003) for As Low As Reasonably Achievable (ALARA) principles. The 9977 also satisfies the requirements of the Regulations for the Safe Transport of Radioactive Material--1996 Edition (Revised)--Requirements. IAEA Safety Standards, Safety Series No. TS-R-1 (ST-1, Rev.), International Atomic Energy Agency, Vienna, Austria (2000). The 9977 package is designed, analyzed and fabricated in accordance with Section III of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel (B&PV) Code, 1992 edition.

  8. Structural complexity of simple Fe[subscript 2]O[subscript 3...

    Office of Scientific and Technical Information (OSTI)

    Resource Type: Journal Article Resource Relation: Journal Name: Nature Communications; Journal Volume: 7; Journal Issue: 02, 2016 Publisher: Nature Publishing Group Research Org: ...

  9. Lithium cobalt(II) pyrophosphate, Li[subscript 1.86]CoP[subscript...

    Office of Scientific and Technical Information (OSTI)

    Journal Article: Lithium cobalt(II) pyrophosphate, Lisubscript 1.86CoPsubscript 2Osubscript 7, from synchrotron X-ray powder data Citation Details In-Document Search Title:...

  10. Lithium cobalt(II) pyrophosphate, Li[subscript 1.86]CoP[subscript...

    Office of Scientific and Technical Information (OSTI)

    cobalt(II) pyrophosphate, Lisubscript 1.86CoPsubscript 2Osubscript 7, from synchrotron X-ray powder data Citation Details In-Document Search Title: Lithium cobalt(II) ...

  11. Novel high pressure monoclinic Fe[subscript 2]O[subscript 3]...

    Office of Scientific and Technical Information (OSTI)

    SciTech Connect Search Results Journal Article: Novel high pressure monoclinic Fesubscript 2Osubscript 3 polymorph revealed by single-crystal synchrotron X-ray diffraction ...

  12. Gallium Pnictides of the Alkaline Earth Metals, Synthesized by Means of the Flux Method: Crystal Structures and Properties of CaGa[subscript 2]Pn[subscript 2], SrGa[subscript 2]As[subscript 2], Ba[subscript 2]Ga[subscript 5]As[subscript 5], and Ba[subscript 4]Ga[subscript 5]Pn[subscript 8] (Pn = P or As)

    SciTech Connect (OSTI)

    He, Hua; Stearrett, Ryan; Nowak, Edmund R.; Bobev, Svilen

    2014-05-28

    The focus of this paper is on the structural characterization of the new Zintl phases CaGa{sub 2}P{sub 2}, CaGa{sub 2}As{sub 2}, SrGa{sub 2}As{sub 2}, and Ba{sub 2}Ga{sub 5}As{sub 5}, and the solid solution (Ba{sub 0.85(1)}Sr{sub 0.15}){sub 2}Ga{sub 5}As{sub 5}, all of which were synthesized from molten metal fluxes.CaGa{sub 2}P{sub 2}, CaGa{sub 2}As{sub 2}, and SrGa{sub 2}As{sub 2} have layered structures with polyanionic layers made of ethane-like Ga{sub 2}P6 and Ga{sub 2}As6 motifs fused through common edges; the polyanionic substructure in Ba{sub 2}Ga{sub 5}As{sub 5} consists of condensed Ga{sub 2}As6 units and GaAs{sub 4} tetrahedra. Ba{sub 4}Ga{sub 5}P{sub 8} and Ba{sub 4}Ga{sub 5}As{sub 8}, another pair of new compounds with channel-like 3D structures, were also synthesized from metal fluxes, and their structures were established from single-crystal X-ray and synchrotron powder diffraction. They are based on GaP{sub 4} and GaAs{sub 4} tetrahedra, with parts of their structures being heavily disordered. The electronic structures computed with the linear muffin-tin orbital (LMTO) method are discussed as well, alongside the thermopower and the electrical conductivity, measured on single crystals of Ba{sub 2}Ga{sub 5}As{sub 5} and the solid solution (Ba{sub 0.85(1)}Sr{sub 0.15}){sub 2} Ga{sub 5}As{sub 5}. They demonstrate that such an approach would be an effective way to fine-tune the transport properties.

  13. Negligible Magnetism in Excellent Structural Quality Cr[subscript x]Ti[subscript 1-x]O[subscript 2] Anatase: Contrast with High-T[subscript C] Ferromagnetism in Structurally Defective Cr[subscript x]Ti[subscript 1-x]O[subscript 2

    SciTech Connect (OSTI)

    Kaspar, T.C.; Heald, S.M.; Wang, C.M.; Bryan, J.D.; Droubay, T.; Shutthanandan, V.; Thevuthasan, S.; McCready, D.E.; Kellock, A.J.; Gamelin, D.R.; Chambers, S.A.

    2010-07-19

    We reexamine the mechanism of ferromagnetism in doped TiO{sub 2} anatase, using epitaxial Cr:TiO{sub 2} with excellent structural quality as a model system. In contrast to highly oriented but defective Cr:TiO{sub 2} ({approx}0.5{micro}{sub B}/Cr), these structurally superior single crystal films exhibit negligible ferromagnetism. Similar results were obtained for Co:TiO{sub 2}. We show for the first time that charge-compensating oxygen vacancies alone, as predicted by F-center mediated exchange, are not sufficient to activate ferromagnetism. Instead, the onset of ferromagnetism correlates with the presence of structural defects.

  14. High-Pressure Synchtron Radiation X-Ray Diffraction Studies of Pentaerythritol Tetranitrate C(CH[subscript 2]ONO[subscript 2 ])[subscript 4

    SciTech Connect (OSTI)

    Lipinska-Kalita, K.E.; Pravica, M.; Nicol, M.

    2006-02-02

    A high-pressure x-ray diffraction study of nanocrystalline pentaerythritol tetranitrate, C(CH{sub 2}ONO{sub 2}){sub 4}, (PETN), has been performed in a diamond-anvil cell at ambient temperature using synchrotron radiation. Pressure-induced alterations in the profiles of the diffraction lines, including their positions, widths and intensities were followed up to 30 GPa in a compressino cycle. The spectral changes in the diffraction patterns at low pressures indicated continuous densification of the tetragonal structure (space group P{bar 4}2{sub 1}c). The diffraction patterns confirmed that PETN compressed from ambient pressure to 7.4 GPa by 17%. At 8.2 GPa and above, several new diffraction lines appeared in the patterns. These lines suggest that the lattice undergoes an incomplete stress-induced structural transformation from the tetragonal to an orthorhombic structure (most probably space group P2{sub 1}22{sub 1}). The mixture of both structures appeared to persist to 30 GPa. The progressive broadening of the diffraction lines as the pressure increased beyond 10 GPa is attributed to the combined diffraction lines of a mixture of two coexisting PETN phases and inhomogeneous pressure distribution within the sample.

  15. Lithium cobalt(II) pyrophosphate, Li[subscript 1.86]CoP[subscript 2]O[subscript 7], from synchrotron X-ray powder data

    SciTech Connect (OSTI)

    Zhou, Hui; Upreti, Shailesh; Chernova, Natasha A.; Whittingham, M.Stanley

    2015-10-15

    Structure refinement of high-resolution X-ray powder diffraction data of the title compound gave the composition Li{sub 1.865}CoP{sub 2}O{sub 7}, which is also verified by the ICP measurement. Two Co sites exist in the structure: one is a CoO{sub 5} square pyramid and the other is a CoO{sub 6} octahedron. They share edges and are further interconnected through P{sub 2}O{sub 7} groups, forming a three-dimensional framework, which exhibits different kinds of intersecting tunnels containing Li cations and could be of great interest in Li ion battery chemistry. The structure also exhibits cation disorder with 13.5% Co residing at the lithium (Li1) site. Co seems to have an average oxidation state of 2.135, as obtained from the strutural stochiometry that closely supports the magnetic susceptibility findings.

  16. Adrenaline-activated structure of [beta subscript 2]-adrenoceptor...

    Office of Scientific and Technical Information (OSTI)

    Resource Type: Journal Article Resource Relation: Journal Name: Nature; Journal Volume: ... Language: ENGLISH Word Cloud More Like This Full Text Journal Articles DOI: 10.1038nature...

  17. Synthesis and equation of state of post-perovskites in the (Mg,Fe)[subscript 3]Al[subscript 2]Si[subscript 3]O[subscript 12] system

    SciTech Connect (OSTI)

    Shieh, Sean R.; Dorfman, Susannah M.; Kubo, Atsushi; Prakapenka, Vitali B.; Duffy, Thomas S.

    2012-02-06

    The formation and properties of the post-perovskite (CaIrO{sub 3}-type) phase were studied in Fe-rich compositions along the pyrope-almandine ((Mg,Fe){sub 3}Al{sub 2}Si{sub 3}O{sub 12}) join. Natural and synthetic garnet starting materials with almandine fractions from 38 to 90 mol% were studied using synchrotron X-ray diffraction in the laser-heated diamond anvil cell. Single-phase post-perovskite could be successfully synthesized from garnet compositions at pressures above 148 GPa and temperatures higher than 1600 K. In some cases, evidence for a minor amount of Al{sub 2}O{sub 3} post-perovskite was observed for Alm38 and Alm54 compositions in the perovskite + post-perovskite two-phase region. Pressure-volume data for the post-perovskite phases collected during decompression show that incorporation of Fe leads to a systematic increase of unit cell volume broadly similar to the variation observed in the (Mg,Fe)SiO{sub 3} system. The presence of Al{sub 2}O{sub 3} increases the stability of perovskite relative to post-perovskite, requiring higher pressures (> 148 GPa) for synthesis of pure post-perovskites. Our data together with those of Tateno et al. (2005) also suggest that in the Al-rich system the presence of Fe has no strong effect on the pressure required to synthesize the pure post-perovskite phase, but the two-phase perovskite and post-perovskite region may be broad and its width dependent on Fe content. Our results suggest that any regions highly enriched in Al{sub 2}O{sub 3} may consist of either the perovskite phase or a mixture of perovskite and post-perovskite phases throughout the entire thickness of the D* region. The observed synthesis pressures (> 148 GPa) for a pure post-perovskite phase are beyond that at the Earth's core-mantle boundary ({approx} 135 GPa).

  18. Supramolecular Packing Controls H[subscript 2] Photocatalysis...

    Office of Scientific and Technical Information (OSTI)

    Supramolecular Packing Controls Hsubscript 2 Photocatalysis in Chromophore Amphiphile Hydrogels Citation Details In-Document Search Title: Supramolecular Packing Controls ...

  19. Resolving Material-Specific Structures within Fe[subscript 3...

    Office of Scientific and Technical Information (OSTI)

    Resolving Material-Specific Structures within Fesubscript 3Osubscript 4|gamma-Mnsubscript 2Osubscript 3 Core|Shell Nanoparticles Using Anomalous Small-Angle X-ray ...

  20. Iron speciation in minerals and glasses probed by M [subscript...

    Office of Scientific and Technical Information (OSTI)

    Research Org: Advanced Photon Source (APS), Argonne National Laboratory (ANL), Argonne, IL (US) Sponsoring Org: FOREIGN Country of Publication: United States Language: ENGLISH Word ...

  1. Summary of changes from Subscription to Regiona Dialogue Contract...

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

    na HWM Change in DOE Richland's HWM amounts ? Drafter's Note in A, Specific Contract Language for DOE Richland in D? na HWM Change in Tribal Utilities' HWM ? Drafter's Note in A,...

  2. Structural Underpinnings of the Enhanced Cycling Stability upon Al-Substitution in LiNi[subscript 0.45]Mn[subscript 0.45]Co[subscript 0.1?y]Al[subscript y]O[subscript 2] Positive Electrode Materials for Li-ion Batteries

    SciTech Connect (OSTI)

    Conry, Thomas E.; Mehta, Apurva; Cabana, Jordi; Doeff, Marca M.

    2012-10-23

    Single-phase LiNi{sub 0.45}Mn{sub 0.45}Co{sub 0.1-y}Al{sub y}O{sub 2} layered oxide materials with 0 {<=} y {<=} 0.10 were prepared using the glycine-nitrate combustion method. Al-substitution has a minimal effect on the defect concentration and rate capability of the materials, but raises the operating voltage and reduces the capacity fade of the materials during prolonged cycling compared to the unsubstituted system. In situ X-ray diffraction suggests the presence of Al has a significant structural impact during battery operation. It acts to limit the changes in lattice parameters observed during electrochemical charging and cycling of the materials. High-resolution X-ray diffraction reveals structural distortions in the transition metal layers of as-synthesized powders with high Al-contents, as well as a structural evolution seen in all materials after cycling.

  3. Mechanism of the [alpha]-to-[beta] phase transformation in the LaNi[subscript 5]?H[subscript 2] system

    SciTech Connect (OSTI)

    Gray, E. MacA.; Blach, T.P.; Pitt, M.P.; Cookson, D.J. (Griffith U); (ASRP)

    2014-09-24

    High-energy synchrotron in situ X-ray powder diffraction has been used to elucidate the mechanism of the hydriding phase transformation in a LaNi5 model hydrogen storage intermetallic in real time. The transformation proceeds at 10 C via the transient growth of an interfacial phase, the {gamma} phase, with lattice parameters intermediate between those of the {alpha} (dilute solid solution) and {beta} (concentrated hydride) phases. The {gamma} phase forms to partially accommodate the 24% change in unit cell volume between the {alpha} and {beta} phases during hydriding and dehydriding. The {alpha}, {gamma} and {beta} phases coexist at the nanoscopic level.

  4. Thermal Expansion of the Orthorhombic Phase in the Ln[subscript...

    Office of Scientific and Technical Information (OSTI)

    Sponsoring Org: U.S. AIR FORCE- OFFICE OF SCIENTIFIC RESEARCH Country of Publication: United States Language: ENGLISH Word Cloud More Like This Full Text Journal Articles DOI: ...

  5. Rotationally Commensurate Growth of MoS[subscript 2] on Epitaxial...

    Office of Scientific and Technical Information (OSTI)

    Sponsoring Org: U.S. OFFICE OF NAVAL RESEARCHNIST Country of Publication: United States Language: ENGLISH Word Cloud More Like This Full Text Journal Articles DOI: 10.1021...

  6. Can Vanadium Be Substituted into LiFePO[subscript 4]? (Journal...

    Office of Scientific and Technical Information (OSTI)

    the solid solution LiFesub 1-3y2Vsub yPOsub 4, the a and b lattice parameters and cell volume decrease with increasing vanadium content, while the c lattice parameter...

  7. The effect of f[subscript O2] on the partitioning and valence...

    Office of Scientific and Technical Information (OSTI)

    Journal Article: The effect of fsubscript O2 on the partitioning and valence of V and Cr in garnetmelt pairs and the relation to terrestrial mantle V and Cr content Citation ...

  8. Full-length G[alpha subscript q]–phospholipase C-[beta]3 structure...

    Office of Scientific and Technical Information (OSTI)

    Resource Type: Journal Article Resource Relation: Journal Name: Nature Structural & Molecular Biology; Journal Volume: 20; Journal Issue: (3) ; 03, 2013 Publisher: Nature ...

  9. The thermal equation of state of (Mg, Fe)SiO[subscript 3] bridgmanite...

    Office of Scientific and Technical Information (OSTI)

    SciTech Connect Search Results Journal Article: The thermal equation of state of (Mg, Fe)SiOsubscript 3 bridgmanite (perovskite) and implications for lower mantle structures ...

  10. The W-WO[subscript 2] oxygen fugacity buffer (WWO) at high pressure...

    Office of Scientific and Technical Information (OSTI)

    The W-WOsubscript 2 oxygen fugacity buffer (WWO) at high pressure and temperature: ... Title: The W-WOsubscript 2 oxygen fugacity buffer (WWO) at high pressure and temperature...

  11. Can Vanadium Be Substituted into LiFePO[subscript 4]?

    SciTech Connect (OSTI)

    Omenya, Fredrick; Chernova, Natasha A.; Upreti, Shailesh; Zavalij, Peter Y.; Nam, Kyung-Wan; Yang, Xiao-Qing; Whittingham, M. Stanley

    2015-10-15

    Vanadium is shown to substitute for iron in the olivine LiFePO{sub 4} up to at least 10 mol %, when the synthesis is carried out at 550 C. In the solid solution LiFe{sub 1-3y/2}V{sub y}PO{sub 4}, the a and b lattice parameters and cell volume decrease with increasing vanadium content, while the c lattice parameter increases slightly. However, when the synthesis is performed at 650 C, a NASICON phase, Li{sub 3}V{sub 2}(PO{sub 4}){sub 3}, is also formed, showing that solid solution is a function of the synthesis temperature. X-ray absorption near-edge structure indicates vanadium is in the 3+ oxidation state and in an octahedral environment. Magnetic studies reveal a shift of the antiferromagnetic ordering transition toward lower temperatures with increasing vanadium substitution, confirming solid solution formation. The addition of vanadium enhances the electrochemical performance of the materials especially at high current densities.

  12. Nanocheckerboard modulations in (NaNd)(MgW)O[subscript 6

    SciTech Connect (OSTI)

    Licurse, Mark W.; Davies, Peter K.

    2010-10-22

    Data is presented for a complex structural and compositional modulation in the perovskite (NaNd)(MgW)O{sub 6}. This modulation creates a large 14a{sub p} x 14a{sub p} x 2a{sub p} supercell (a{sub p} {approx} 3.9 {angstrom} is the lattice parameter of the cubic perovskite aristotype) containing ordered regions with doubled (110) d-spacings in the a-b plane separated by two-dimensional periodic antiphase boundaries and accompanied by a nanocheckerboard pattern. Faint periodic modulations in Z-contrast images suggest an associated periodic variation in composition. The presence of a sodium rich impurity implies the composition of the stable perovskite is nonstoichiometric.

  13. Crystal structure of the [beta subscript 2] adrenergic receptor?Gs...

    Office of Scientific and Technical Information (OSTI)

    receptors (GPCRs) are responsible for the majority of cellular responses to hormones and neurotransmitters as well as the senses of sight, olfaction and taste. The...

  14. Effect of vacancies on the structure and properties of Ga[subscript...

    Office of Scientific and Technical Information (OSTI)

    Resource Type: Journal Article Resource Relation: Journal Name: J. Appl. Phys.; Journal Volume: 118; Journal Issue: (8) ; 08, 2015 Research Org: Advanced Photon Source (APS), ...

  15. Thermal equation of state and stability of (Mg[subscript 0.06...

    Office of Scientific and Technical Information (OSTI)

    SciTech Connect Search Results Journal Article: Thermal equation of state and stability of (Mgsubscript 0.06Fesubscript 0.94)O Citation Details In-Document Search Title: ...

  16. Traffic within the Cytochrome b[subscript 6]f Lipoprotein Complex...

    Office of Scientific and Technical Information (OSTI)

    SciTech Connect Search Results Journal Article: Traffic within the Cytochrome bsubscript 6f Lipoprotein Complex: Gating of the Quinone Portal Citation Details In-Document Search ...

  17. The Morphology of TiO[subscript 2] (B) Nanoparticles (Journal...

    Office of Scientific and Technical Information (OSTI)

    Hua, Xiao ; Liu, Zheng ; Bruce, Peter G. ; Grey, Clare P. 1 ; Cambridge) 2 ; Oxford) 2 + Show Author Affiliations (St Andrews) ( Publication Date: 2015-11-02 OSTI...

  18. Torsionally Responsive C[subscript 3]-Symmetric Azo Dyes: Azo?Hydrazone Tautomerism, Conformational Switching, and Application for Chemical Sensing

    SciTech Connect (OSTI)

    Lee, Ho Yong; Song, Xinli; Park, Hyunsoo; Baik, Mu-Hyun; Lee, Dongwhan

    2010-12-07

    An efficient triple azo coupling reaction between anilines and phloroglucinol furnished a series of C{sub 3}-symmetric molecules 7-9 supporting multiple conjugation pathways that converge at the molecular core. A combination of {sup 1}H/{sup 13}C NMR spectroscopy, X-ray crystallography, and density functional theory computational studies provided a coherent picture of the [n,{pi}]-conjugated molecular core, which is best described as the tris(hydrazone) [rather than tris(azo)] tautomer stabilized by resonance-assisted hydrogen bonding. For a homologous series of compounds, an increase in the torsional angles between the planar molecular core and the peripheral aryl groups results in a systematic blue shift in the low-energy electronic transitions (7, 523 nm; 8, 505 nm; 9, 445 nm in CHCl{sub 3}) that qualitatively correlates with the shrinkage of effective conjugation through structural distortion. Similar spectral shifts could also be induced by amine substrates that interact with the intramolecular hydrogen-bonding network to trigger bond-twisting motions. Specifically, a brief exposure of a thin film of 7 to vapor samples of butyl-, hexyl-, diethyl-, and diisopropylamine resulted in a rapid and reversible color change from pink to dark-orange. Under similar conditions, however, triethylamine did not elicit any detectable color change, despite the fact that it has a significantly higher vapor pressure than n-hexylamine. These findings implicate that the hydrogen-bonding donor ability is a key requirement for the binding-induced conformational switching, which allows for direct naked-eye detection of volatile amines under ambient conditions.

  19. Tracking a defined route for O[subscript 2] migration in a dioxygen-activating diiron enzyme

    SciTech Connect (OSTI)

    Song, Woon Ju; Gucinski, Grant; Sazinsky, Matthew H.; Lippard, Stephen J. (MIT); (Pomona)

    2011-09-08

    For numerous enzymes reactive toward small gaseous compounds, growing evidence indicates that these substrates diffuse into active site pockets through defined pathways in the protein matrix. Toluene/o-xylene monooxygenase hydroxylase is a dioxygen-activating enzyme. Structural analysis suggests two possible pathways for dioxygen access through the {alpha}-subunit to the diiron center: a channel or a series of hydrophobic cavities. To distinguish which is utilized as the O{sub 2} migration pathway, the dimensions of the cavities and the channel were independently varied by site-directed mutagenesis and confirmed by X-ray crystallography. The rate constants for dioxygen access to the diiron center were derived from the formation rates of a peroxodiiron(III) intermediate, generated upon treatment of the diiron(II) enzyme with O2. This reaction depends on the concentration of dioxygen to the first order. Altering the dimensions of the cavities, but not the channel, changed the rate of dioxygen reactivity with the enzyme. These results strongly suggest that voids comprising the cavities in toluene/o-xylene monooxygenase hydroxylase are not artifacts of protein packing/folding, but rather programmed routes for dioxygen migration through the protein matrix. Because the cavities are not fully connected into the diiron active center in the enzyme resting state, conformational changes will be required to facilitate dioxygen access to the diiron center. We propose that such temporary opening and closing of the cavities may occur in all bacterial multicomponent monooxygenases to control O{sub 2} consumption for efficient catalysis. Our findings suggest that other gas-utilizing enzymes may employ similar structural features to effect substrate passage through a protein matrix.

  20. Time-Dependent CO[subscript 2] Sorption Hysteresis in a One-Dimensional Microporous Octahedral Molecular Sieve

    SciTech Connect (OSTI)

    Espinal, Laura; Wong-Ng, Winnie; Kaduk, James A.; Allen, Andrew J.; Snyder, Chad R.; Chiu, Chun; Siderius, Daniel W.; Li, Lan; Cockayne, Eric; Espinal, Anais E.; Suib, Steven L.

    2014-09-24

    The development of sorbents for next-generation CO{sub 2} mitigation technologies will require better understanding of CO{sub 2}/sorbent interactions. Among the sorbents under consideration are shape-selective microporous molecular sieves with hierarchical pore morphologies of reduced dimensionality. We have characterized the non-equilibrium CO{sub 2} sorption of OMS-2, a well-known one-dimensional microporous octahedral molecular sieve with manganese oxide framework. Remarkably, we find that the degree of CO{sub 2} sorption hysteresis increases when the gas/sorbent system is allowed to equilibrate for longer times at each pressure step. Density functional theory calculations indicate a 'gate-keeping' role of the cation in the tunnel, only allowing CO{sub 2} molecules to enter fully into the tunnel via a highly unstable transient state when CO{sub 2} loadings exceed 0.75 mmol/g. The energy barrier associated with the gate-keeping effect suggests an adsorption mechanism in which kinetic trapping of CO{sub 2} is responsible for the observed hysteretic behavior.

  1. Oxidative dehydrogenation (ODH) of ethane with O[subscript 2] as oxidant on selected transition metal-loaded zeolites

    SciTech Connect (OSTI)

    Lin, Xufeng; Hoel, Cathleen A.; Sachtler, Wolfgang M.H.; Poeppelmeier, Kenneth R.; Weitz, Eric

    2009-09-14

    Ni-, Cu-, and Fe-loaded acidic and basic Y zeolites were synthesized, and their catalytic properties for oxidative dehydrogenation of ethane (ODHE) to ethylene were characterized. Acidic Ni-loaded Y zeolite exhibits an ethylene productivity of up to 108 g{sub C{sub 2}H{sub 4}}g{sub cat}{sup -1} h{sup -1} with a selectivity of {approx}75%. Acidic Cu- and Fe-loaded Y zeolites have an ethylene productivity of up to 0.37 g{sub C{sub 2}H{sub 4}}g{sub cat}{sup -1} h{sup -1} and a selectivity of {approx}50%. For the same metal, the acidity of the zeolite favors both ODHE productivity and ethylene selectivity. Extended X-ray absorption fine structure (EXAFS) studies show that Ni, present in particles on Ni/HY during the ODHE catalytic process, contains both Ni-Ni and Ni-O bonds, and that the ratio of oxidized Ni versus metallic Ni increases with the temperature. The insights these studies provide into the ODHE reaction mechanism are discussed.

  2. Quasicrystals at extreme conditions: The role of pressure in stabilizing

    Office of Scientific and Technical Information (OSTI)

    icosahedral Al[subscript 63]Cu[subscript 24]Fe[subscript 13] at high temperature (Journal Article) | SciTech Connect SciTech Connect Search Results Journal Article: Quasicrystals at extreme conditions: The role of pressure in stabilizing icosahedral Al[subscript 63]Cu[subscript 24]Fe[subscript 13] at high temperature Citation Details In-Document Search Title: Quasicrystals at extreme conditions: The role of pressure in stabilizing icosahedral Al[subscript 63]Cu[subscript 24]Fe[subscript 13]

  3. Competing charge, spin, and superconducting orders in underdoped

    Office of Scientific and Technical Information (OSTI)

    YBa[subscript 2]Cu[subscript 3]O[subscript y] (Journal Article) | SciTech Connect YBa[subscript 2]Cu[subscript 3]O[subscript y] Citation Details In-Document Search Title: Competing charge, spin, and superconducting orders in underdoped YBa[subscript 2]Cu[subscript 3]O[subscript y] Authors: Hucker, M. ; Christensen, N.B. ; Holmes, A.T. ; Blackburn, E. ; Forgan, E.M. ; Liang, Ruixing ; Bonn, D.A. ; Hardy, W.N. ; Gutowski, O. ; Zimmermann, M.v. ; Hayden, S.M. ; Chang, J. [1] ; Denmark) [2] ;

  4. Synthesis and Characterization of a Novel Sodium Transition Metal

    Office of Scientific and Technical Information (OSTI)

    Oxyfluoride: NaMnMoO[subscript 3]F[subscript 3]*H[subscript 2]O (Journal Article) | SciTech Connect Synthesis and Characterization of a Novel Sodium Transition Metal Oxyfluoride: NaMnMoO[subscript 3]F[subscript 3]*H[subscript 2]O Citation Details In-Document Search Title: Synthesis and Characterization of a Novel Sodium Transition Metal Oxyfluoride: NaMnMoO[subscript 3]F[subscript 3]*H[subscript 2]O Authors: Nava-Avendaño, Jessica ; Frontera, Carlos ; Ayllón, José A. ; Oró-Solé, Judith

  5. The microscopic structure of charge density waves in underdoped

    Office of Scientific and Technical Information (OSTI)

    YBa[subscript 2]Cu[subscript 3]O[subscript 6.54] revealed by X-ray diffraction (Journal Article) | SciTech Connect The microscopic structure of charge density waves in underdoped YBa[subscript 2]Cu[subscript 3]O[subscript 6.54] revealed by X-ray diffraction Citation Details In-Document Search Title: The microscopic structure of charge density waves in underdoped YBa[subscript 2]Cu[subscript 3]O[subscript 6.54] revealed by X-ray diffraction Authors: Forgan, E. M. ; Blackburn, E. ; Holmes, A.

  6. Structural stability of a golden semiconducting orthorhombic polymorph of

    Office of Scientific and Technical Information (OSTI)

    Ti[subscript 2]O[subscript 3] under high pressures and high temperatures (Journal Article) | SciTech Connect SciTech Connect Search Results Journal Article: Structural stability of a golden semiconducting orthorhombic polymorph of Ti[subscript 2]O[subscript 3] under high pressures and high temperatures Citation Details In-Document Search Title: Structural stability of a golden semiconducting orthorhombic polymorph of Ti[subscript 2]O[subscript 3] under high pressures and high temperatures

  7. EIS-0183: Record of Decision | Department of Energy

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

    Power Subscription Strategy (January 1999) The Bonneville Power Administration (BPA) has decided to adopt a Power Subscription Strategy for entering into new power sales contracts...

  8. Developing a robust geochemical and reactive transport model to evaluate possible sources of arsenic at the CO[subscript 2] sequestration natural analog site in Chimayo, New Mexico

    SciTech Connect (OSTI)

    Viswanathan, Hari; Dai, Zhenxue; Lopano, Christina; Keating, Elizabeth; Hakala, J. Alexandra; Scheckel, Kirk G.; Zheng, Liange; Gutherie, George D.; Pawar, Rajesh

    2012-10-24

    Migration of carbon dioxide (CO{sub 2}) from deep storage formations into shallow drinking water aquifers is a possible system failure related to geologic CO{sub 2} sequestration. A CO{sub 2} leak may cause mineral precipitation/dissolution reactions, changes in aqueous speciation, and alteration of pH and redox conditions leading to potential increases of trace metal concentrations above EPA National Primary Drinking Water Standards. In this study, the Chimayo site (NM) was examined for site-specific impacts of shallow groundwater interacting with CO{sub 2} from deep storage formations. Major ion and trace element chemistry for the site have been previously studied. This work focuses on arsenic (As), which is regulated by the EPA under the Safe Drinking Water Act and for which some wells in the Chimayo area have concentrations higher than the maximum contaminant level (MCL). Statistical analysis of the existing Chimayo groundwater data indicates that As is strongly correlated with trace metals U and Pb indicating that their source may be from the same deep subsurface water. Batch experiments and materials characterization, such as: X-ray diffraction (XRD), scanning electron microscopy (SEM), and synchrotron micro X-ray fluorescence ({mu}-XRF), were used to identify As association with Fe-rich phases, such as clays or oxides, in the Chimayo sediments as the major factor controlling As fate in the subsurface. Batch laboratory experiments with Chimayo sediments and groundwater show that pH decreases as CO{sub 2} is introduced into the system and buffered by calcite. The introduction of CO{sub 2} causes an immediate increase in As solution concentration, which then decreases over time. A geochemical model was developed to simulate these batch experiments and successfully predicted the pH drop once CO{sub 2} was introduced into the experiment. In the model, sorption of As to illite, kaolinite and smectite through surface complexation proved to be the key reactions in simulating the drop in As concentration as a function of time in the batch experiments. Based on modeling, kaolinite precipitation is anticipated to occur during the experiment, which allows for additional sorption sites to form with time resulting in the slow decrease in As concentration. This mechanism can be viewed as trace metal 'scavenging' due to sorption caused secondary mineral precipitation. Since deep geologic transport of these trace metals to the shallow subsurface by brine or CO{sub 2} intrusion is critical to assessing environmental impacts, the effective retardation of trace metal transport is an important parameter to estimate and it is dependent on multiple coupled reactions. At the field scale, As mobility is retarded due to the influence of sorption reactions, which can affect environmental performance assessment studies of a sequestration site.

  9. Characterization and oxidation states of Cu and Pd in Pd?CuO/ZnO/ZrO[subscript 2] catalysts for hydrogen production by methanol partial oxidation

    SciTech Connect (OSTI)

    Schuyten, S.; Guerrero, S.; Miller, J.T.; Shibatae, T.; Wolf, E.E.

    2009-01-30

    Copper and zinc oxide based catalysts prepared by coprecipitation were promoted with palladium and ZrO{sub 2}, and their activity and selectivity for methanol oxidative reforming was measured and characterized by N{sub 2}O decomposition, X-ray absorption spectroscopy, BET, X-ray photoelectron spectroscopy, X-ray diffraction, and temperature programmed reduction. Addition of ZrO{sub 2} increased copper dispersion and surface area, with little effect on activity, while palladium promotion significantly enhanced activity with little change of the catalytic structure. A catalyst promoted with both ZrO{sub 2} and palladium yielded hydrogen below 150 C. EXAFS results under reaction conditions showed that the oxidation state of copper was influenced by palladium in the catalyst bulk. A palladium promoted catalyst contained 90% Cu{sup 0}, while the copper in an unpromoted catalyst was 100% Cu{sup 1+} at the same temperature. Palladium preferentially forms an unstable alloy with copper instead of zinc during reduction, which persists during reaction regardless of copper oxidation state. A 100-h time on stream activity measurement showed growth in copper crystallites and change in copper oxidation state resulting in decreasing activity and selectivity. A kinetic model of the reaction pathway showed that palladium and ZrO{sub 2} promoters lower the activation energy of methanol combustion and steam reforming reactions.

  10. Periodic Trends in Highly Dispersed Groups IV and V Supported Metal Oxide

    Office of Scientific and Technical Information (OSTI)

    Catalysts for Alkene Epoxidation with H[subscript 2]O[subscript 2] (Journal Article) | SciTech Connect Periodic Trends in Highly Dispersed Groups IV and V Supported Metal Oxide Catalysts for Alkene Epoxidation with H[subscript 2]O[subscript 2] Citation Details In-Document Search Title: Periodic Trends in Highly Dispersed Groups IV and V Supported Metal Oxide Catalysts for Alkene Epoxidation with H[subscript 2]O[subscript 2] Authors: Thornburg, Nicholas E. ; Thompson, Anthony B. ; Notestein,

  11. Pressure-induced ferroelectric to paraelectric transition in

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    LiTaO[subscript 3] and (Li,Mg)TaO[subscript 3] (Journal Article) | SciTech Connect Pressure-induced ferroelectric to paraelectric transition in LiTaO[subscript 3] and (Li,Mg)TaO[subscript 3] Citation Details In-Document Search Title: Pressure-induced ferroelectric to paraelectric transition in LiTaO[subscript 3] and (Li,Mg)TaO[subscript 3] Authors: Yamanaka, Takamitsu ; Nakamoto, Yuki ; Takei, Fumihiko ; Ahart, Muhtar ; Mao, Ho-kwang ; Hemley, Russell J. [1] ; Osaka) [2] ; CHPSTAR- China)

  12. Synthesis and equation of state of perovskite in the (Mg,Fe)...

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    Synthesis and equation of state of perovskite in the (Mg,Fe)subscript 3Alsubscript 2Si... in the (Mg,Fe)subscript 3Alsubscript 2Sisubscript 3Osubscript 12 system to 177 ...

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    caused by model initialization problems or model physics errors. The second task uses CAM in a complimentary real world context. We nudge the CAM with the NCEPDOE reanalysis...

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    ... In order to recognize and eliminate artifacts, the probing tips were calibrated by means of a newlymore developed gauge and the results are compared with complimentary SEM and ...

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    [beta]-LiAlSiO[subscript 4] (Journal Article) | SciTech Connect Pressure-Induced Amorphization and Phase Transformations in [beta]-LiAlSiO[subscript 4] Citation Details In-Document Search Title: Pressure-Induced Amorphization and Phase Transformations in [beta]-LiAlSiO[subscript 4] Authors: Zhang, Jianzhong ; Zhao, Yusheng ; Xu, Hongwu ; Zelinskas, Matthew V. ; Wang, Liping ; Wang, Yanbin ; Uchida, Takeyuki [1] ; UC) [2] ; LANL) [2] ; Buffalo) [2] + Show Author Affiliations Delaware State (

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    ... Structure of the Regulator of G Protein Signaling 8 (RGS8)-Galpah subscript q Complex: ... Wyvratt, Brian M. ; Gaudet, Jason R. ; Thompson, Levi T. October 2015 FRACTURE MECHANICS ...

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    available via subscription and thus require Remote Access. Questions? 667-5809 Email Databases arXiv.org - open access eprints in Physics, Mathematics, Computer Science,...

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  13. Information for Media | Department of Energy

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    Information for Media Information for Media Registration The 2014 SunShot Grand Challenge Summit and Peer Review welcomes accredited journalists who work for a recognized outlet and cover the energy industry on a regular basis to apply for a complimentary press pass. Freelancers will not be accredited unless they are assigned by a recognized media outlet and meet all other requirements. In order to receive a complimentary press pass, please send your name, contact information, and affiliation to

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  15. Structure and Ca[superscript 2+]-Binding Properties of the Tandem

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    C[subscript 2] Domains of E-Syt2 (Journal Article) | SciTech Connect and Ca[superscript 2+]-Binding Properties of the Tandem C[subscript 2] Domains of E-Syt2 Citation Details In-Document Search Title: Structure and Ca[superscript 2+]-Binding Properties of the Tandem C[subscript 2] Domains of E-Syt2 Authors: Xu, Junjie ; Bacaj, Taulant ; Zhou, Amy ; Tomchick, Diana R. ; Südhof, Thomas C. ; Rizo, Josep [1] ; UTSMC) [2] + Show Author Affiliations (Stanford-MED) ( Publication Date: 2014-12-23

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    at no charge, visit our subscription page. View Videos Argonne OutLoud: Changing the bio-energy equation (April 12, 2012) Argonne OutLoud: The Solar Energy Challenge (June 14,...

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    The Sunna Project allows any member to suscribe to the solar community program. The subscription includes the allocation of energy produced by their subscriped panel(s) to offset  their monthly...

  4. November 26, 2012

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    12 More NNSS News Now Available Through GovDelivery! The GovDelivery subscription for Nevada National Security Site (NNSS) news now offers even more! In addition to EM News Flash articles on Environmental Management activities, users can now expand subscriptions to receive a monthly publication that covers news relating to the entire NNSS community. The on-line OneVoice newsletter, delivered via e-mail link, features inter-office news, federal/contractor employee highlights, and important

  5. Developing a robust geochemical and reactive transport model to evaluate

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    possible sources of arsenic at the CO[subscript 2] sequestration natural analog site in Chimayo, New Mexico (Journal Article) | SciTech Connect Journal Article: Developing a robust geochemical and reactive transport model to evaluate possible sources of arsenic at the CO[subscript 2] sequestration natural analog site in Chimayo, New Mexico Citation Details In-Document Search Title: Developing a robust geochemical and reactive transport model to evaluate possible sources of arsenic at the

  6. Carbon Storage Newsletter | netl.doe.gov

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    Carbon Storage Newsletter Each month, NETL compiles the Carbon Storage Newsletter to summarize recent public and private sector carbon storage news from around the world. Subscription information and directions for this free resource is available via the Subscription Directions webpage. A comprehensive archive of the Carbon Storage Newsletter is available below. Please note that prior to 2013, NETL's Carbon Storage Newsletter was known as the Carbon Sequestration Newsletter. 2016 Carbon Storage

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  8. Concentrating Solar Power Newsletter | Department of Energy

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  9. Electrochromic counter electrode

    DOE Patents [OSTI]

    Lee, Se-Hee; Tracy, C. Edwin; Pitts, J. Roland; Jorgensen, Gary J.

    2005-02-22

    The present invention discloses an amorphous material comprising nickel oxide doped with tantalum that is an anodically coloring electrochromic material. The material of the present invention is prepared in the form of an electrode (200) having a thin film (202) of an electrochromic material of the present invention residing on a transparent conductive film (203). The material of the present invention is also incorporated into an electrochromic device (100) as a thin film (102) in conjunction with a cathodically coloring prior art electrochromic material layer (104) such that the devices contain both anodically coloring (102) and cathodically coloring (104) layers. The materials of the electrochromic layers in these devices exhibit broadband optical complimentary behavior, ionic species complimentary behavior, and coloration efficiency complimentary behavior in their operation.

  10. 157 nm Pellicles (Thin Films) for Photolithography: Mechanistic...

    Office of Scientific and Technical Information (OSTI)

    of model compounds. Authors: Lee, Kwangjoo ; Jockusch, Steffen ; Turro, Nicholas J. ; French, Roger H. ; Wheland, Robert C. ; Lemon, M F. ; Braun, Andre M. ; Widerschpan, Tatjana...

  11. Research Highlight

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

    for Atmospheric and Climate Science ETH Khairoutdinov, M. F., Stony Brook University Larson, V., University of Wisconsin, Milwaukee Liu, X., University of Wyoming McFarquhar, G.,...

  12. Complementary junction heterostructure field-effect transistor

    DOE Patents [OSTI]

    Baca, A.G.; Drummond, T.J.; Robertson, P.J.; Zipperian, T.E.

    1995-12-26

    A complimentary pair of compound semiconductor junction heterostructure field-effect transistors and a method for their manufacture are disclosed. The p-channel junction heterostructure field-effect transistor uses a strained layer to split the degeneracy of the valence band for a greatly improved hole mobility and speed. The n-channel device is formed by a compatible process after removing the strained layer. In this manner, both types of transistors may be independently optimized. Ion implantation is used to form the transistor active and isolation regions for both types of complimentary devices. The invention has uses for the development of low power, high-speed digital integrated circuits. 10 figs.

  13. Complementary junction heterostructure field-effect transistor

    DOE Patents [OSTI]

    Baca, Albert G.; Drummond, Timothy J.; Robertson, Perry J.; Zipperian, Thomas E.

    1995-01-01

    A complimentary pair of compound semiconductor junction heterostructure field-effect transistors and a method for their manufacture are disclosed. The p-channel junction heterostructure field-effect transistor uses a strained layer to split the degeneracy of the valence band for a greatly improved hole mobility and speed. The n-channel device is formed by a compatible process after removing the strained layer. In this manner, both types of transistors may be independently optimized. Ion implantation is used to form the transistor active and isolation regions for both types of complimentary devices. The invention has uses for the development of low power, high-speed digital integrated circuits.

  14. 2016 DOE Project Management Workshop - Transportation | Department of

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

    Energy Transportation 2016 DOE Project Management Workshop - Transportation Complimentary guest shuttle service provided by Sheraton Pentagon City Hotel. PDF icon Shuttle service More Documents & Publications 2015 APM Workshop - Sheraton Pentagon Shuttle Fact Sheet Shuttle Schedule Alexandria Hilton Shuttle Schedule

  15. Possible Bose-condensate behavior in a quantum phase originating in a

    Office of Scientific and Technical Information (OSTI)

    collective excitation in the chemically and optically doped Mott-Hubbard system UO[subscript 2+x] (Journal Article) | SciTech Connect Bose-condensate behavior in a quantum phase originating in a collective excitation in the chemically and optically doped Mott-Hubbard system UO[subscript 2+x] Citation Details In-Document Search Title: Possible Bose-condensate behavior in a quantum phase originating in a collective excitation in the chemically and optically doped Mott-Hubbard system

  16. Price-responsive demand management for a smart grid world

    SciTech Connect (OSTI)

    Chao, Hung-po

    2010-01-15

    Price-responsive demand is essential for the success of a smart grid. However, existing demand-response programs run the risk of causing inefficient price formation. This problem can be solved if each retail customer could establish a contract-based baseline through demand subscription before joining a demand-response program. (author)

  17. Nanoscale Chemical Imaging of a Working Catalyst

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    Research conducted by E. de Smit, I. Swart, C. Morin, B.M. Weckhuysen, and F.M.F. de Groot (Utrecht University, The Netherlands); J.F. Creemer, G.H. Hoveling, P.J. Kooyman, and...

  18. Los Alamos National Lab: National Security Science

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    Plan 2014 Get updates on LANL Environmental Programs - Click to subscribe Contact Us Directory assistance (505) 667-5061 Operators available 7AM-5PM M-F Phonebook Journalist...

  19. Microsoft Word - MolJACSrev28.doc

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    ... J. L.; Immer, C. D.; Fisk, Z.; Booth, C. H.; Figueroa, E.; Lawrence, J. M.; Modler, R.; Cornelius, A. L.; Hundley, M. F.; Kwei, G. H.; Thompson, J. D.; Bridges, F. Phys. Rev. ...

  20. TEMPORARY BADGE CHECKOUT SHEET

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    DOSIMETER ASSIGNMENT CHECK SHEET (Please type or print clearly) 1. Last Name: 2. First Name: 3. M.I.: 4. DOB (mmddyy): 5. SSN * : 6. Bengal ID: 7. Sex: M F 8. E-mail: 9. Home...

  1. Search for: All records | SciTech Connect

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    of E2 and M3 transitions in Ni-like W Clementson, J. ; Beiersdorfer, P. ; Gu, M. F. The electric quadrupole (E2) and magnetic octupole (M3) ground-state transitions in Ni-like...

  2. Biomass Program Peer Review Sustainability Platform

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    ... Jane M. F. Johnson Robert B. Mitchell Kenneth P. Vogel Edward P. Richard John Tatarko ... William L. Rooney USDA Forest Service Kenneth E. Skog, Patricia K. Lebow Dennis P. ...

  3. A Structure-Controlled Model For Hot Spring Exploration In Taiwan...

    Open Energy Info (EERE)

    photographs. A case study conducted in Eastern Taiwan will be demonstrated. Authors J. K. Liu, M. F. Yu and S. J. Ueng Published Journal Geosciences Journal, 2003 DOI Not...

  4. Test of New Master

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    Orlando, Florida, November 14 th , 2007 A. Ince-Cushman 1 , J.E. Rice 1 , M. Reinke 1 , M. Bitter 2 , K. Hill 2 , M.F.Gu 3 1 MIT Plasma Science & Fusion Center 2 Princeton Plasma...

  5. Petroleum Marketing Annual

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    Government Printing Office Farragut Bookstore 1510 H Street, NW Washington, DC 20005 (202) 653-2050 FAX (202) 376-5055 9 a.m. to 5 p.m., eastern time, M-F Superintendent of...

  6. besser | The Ames Laboratory

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    Email Address: besser@ameslab.gov Publications 2014 Zhang, Y.; Mendelev, M.I.; Wang, C.Z.; Ott, R.; Zhang, F.; Besser, M.F.; Ho, K.M.; Kramer, M.J.. Impact of...

  7. Nanoscale Chemical Imaging of a Working Catalyst

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    P.J. Kooyman, H.W. Zandbergen, C. Morin, B.M. Weckhuysen, and F.M.F. de Groot, "Nanoscale chemical imaging of a working catalyst by scanning transmission X-ray microscopy," Nature...

  8. Center for Nanophase Materials Sciences (CNMS) - Publications

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    M.; Decker, S. .R; Bu, L. T.; Zhao, X. C.; McCabe, C.; Wohlert, J.; Bergenstrahle, M.; Brady, J. W.; Adney, W. S.; Himmel, M. E.; Crowley, M. F., ":The O-Glycosylated Linker from...

  9. ARM - Publications: Science Team Meeting Documents

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    Interactions Between Clouds and Radiation in the Multiscale Modelling Framework Cole, J.N.S.(a), Barker, H.W.(b), Khairoutdinov, M.F.(c), and Randall, D.A.(c), The Pennsylvania...

  10. ARM - Publications: Science Team Meeting Documents

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    Carlo Independent Column Approximation with a Super-Parametrized GCM Barker, H.W.(a), Cole, J.N.S.(b), Khairoutdinov, M.F.(c), and Randall, D.A.(c), Meteorological Service of...

  11. ARM - Publications: Science Team Meeting Documents

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    Carlo Independent Column Approximation (McICA) using a Cloud System Resolving Model Cole, J.N.S.(a), Barker, H.W.(b), Khairoutdinov, M.F.(c), Clothiaux, E.E.(a), and...

  12. cf * * * " " f * * " f

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    * " f f * * MicroARSCL " f f* " f " * f d f * m arscl f * " ** " f " f * * " * f " f * Python ARM Radar Toolkit (Py-ART) M * f " * ** p Mart " " " f " * " p " tm f * " " f " * f "...

  13. Information Repository

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    Descriptions Related to Type B Packages, Update TRUPACT-II and Half PACT Figures, Jose R FrancoCBFO and M F SharifNWP dated August 29, 2013 Class 2 Permit Modifications and...

  14. Mr. John E. Kieling, Chief Hazardous Waste Bureau

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    Handling Building Reference: DOE Memorandum CBFO:OESH:GB:MN:14-1427;UFC:5487 from Mr. Jose R. Franco and Mr. M. F. Sharif to Mr. John Kieling, dated February 26, 2014, subject:...

  15. FOR OFFICIAL USE ONLY KIRTLAND AFB PASS REQUEST SPONSOR'S INFORMATION

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    OFFICIAL USE ONLY KIRTLAND AFB PASS REQUEST SPONSOR'S INFORMATION FIRST NAME MIDDLE NAME LAST NAME SSN or DOD ID Number DATE OF BIRTH SEX M F (circle one) ORGANIZATION ORGANIZATION ADDRESS DUTY PHONE CONTRACTOR'S//////VISITOR'S INFORMATION FIRST NAME MIDDLE NAME LAST NAME DATE OF BIRTH SEX M F (circle one) SSN (MANDATORY) HOME ADDRESS PHONE # (Where you can be contacted/daytime) Contractor/Visitor's Personal Identification (State or Government Issued) ID Type (For example: Drivers License) ID

  16. Video and thermal imaging system for monitoring interiors of high temperature reaction vessels

    DOE Patents [OSTI]

    Saveliev, Alexei V.; Zelepouga, Serguei A.; Rue, David M.

    2012-01-10

    A system and method for real-time monitoring of the interior of a combustor or gasifier wherein light emitted by the interior surface of a refractory wall of the combustor or gasifier is collected using an imaging fiber optic bundle having a light receiving end and a light output end. Color information in the light is captured with primary color (RGB) filters or complimentary color (GMCY) filters placed over individual pixels of color sensors disposed within a digital color camera in a BAYER mosaic layout, producing RGB signal outputs or GMCY signal outputs. The signal outputs are processed using intensity ratios of the primary color filters or the complimentary color filters, producing video images and/or thermal images of the interior of the combustor or gasifier.

  17. Evaluation of Routine Atmospheric Sounding Measurements Using Unmanned Systems

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    Routine Atmospheric Sounding Measurements Using Unmanned Systems but also to understand the different processes involved in a cloud's life cycle by providing measurements complimentary to those concurrently obtained by instruments stationed at the third ARM Mobile Facility (AMF3) at Oliktok Point. ERASMUS will supply data to address the following science questions: * How does temperature and humidity evolve during transitions between clear and cloudy skies? * How do aerosol properties vary with

  18. ARM - Data Plots

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    Plots Data Plots ARM Program data is available in daily diagnostic plots that can be easily grouped into daily, weekly, monthly, and even yearly increments. By visualizing ARM data in thumbnail-sized data plots, users experience highly-browsable subsets of data available at the Data Archive including complimentary data products derived from data processed by ARM. These thumbnails will help you to quickly scan for a particular type of condition, like a clear day or a day with persistent cirrus.

  19. Tribal Renewable Energy Program Review - USDA

    Energy Savers [EERE]

    Tribal Renewable Energy Program Review USDA October 25, 2010 Denver, Colorado. President Obama's Commitment to Renewable Energy "To put people back to work today, reduce our dependence on foreign oil, together we will double our renewable energy production." Complimentary Efforts * Biomass R&D Initiative Board * Biofuels Interagency Workgroup * Growing America's Fuels * Farm Bill Title IX Renewable Energy * America Recovery and Reinvestment Act * Memorandum of Understanding:

  20. Session Chair: John Boyes, SNL TIME PROJECT SPEAKER

    Energy Savers [EERE]

    Session Chair: John Boyes, SNL TIME PROJECT SPEAKER 7:00 am Registration (all day) & Complimentary Breakfast 8:00 Welcome Imre Gyuk - US Department of Energy / Office of Electricity Delivery & Energy Reliability 8:10 DOE Perspective Pat Hoffman & Arun Majumdar - US Department of Energy 8:30 DOE / OE Program Overview Imre Gyuk - US Department of Energy / Office of Electricity Delivery & Energy Reliability 8:40 DOE / ARRA Program Overview Eddie Christy - National Energy Technology

  1. SC e-journals Help page

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    Help Table of Contents General User Information Access Technical Requirements Desktop Shortcut Archived Journal Issues Open Access Journals Spotlight Spotlight Archive Alerts E-mailing Search Results Need Help With Searching? 'Web of Science' Search General Search Tips General User Information Access: Access to this site is available only through work stations and remote computers connected to the internet via the Office of Science (SC) Lan. Subscription journals accessible via this site are

  2. http://www.bea.gov/regional/rims/

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    About BEA National International Regional Industry Glossary FAQs About Regional * Methodologies * Articles * Release Schedule * Staff Contacts * Email Subscriptions Home > Regional Economic Accounts > Regional Input-Output Modeling System (RIMS II) Regional Input-Output Modeling System (RIMS II) Regional input-output multipliers such as the RIMS II multipliers attempt to estimate how much a one-time or sustained increase in economic activity in a particular region will be supplied by

  3. Fermilab Today - Troubleshooting

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    Troubleshooting Subscribe | Contact Us | Archive | Classifieds | Guidelines | Help Search GO Troubleshooting for Fermilab Today Fermilab Today is distributed via e-mail each morning by the same program. Internet service providers are aggressively filtering spam due to the proliferation of spam e-mail. Increasingly, legitimate, subscription-based e-mails are labeled as spam, which prevents them from getting to your inbox. Below are some tips to help unblock Fermilab Today if you suddenly stop

  4. OSTI, US Dept of Energy, Office of Scientific and Technical Information |

    Office of Scientific and Technical Information (OSTI)

    Speeding access to science information from DOE and Beyond Transparency of Scientific Information by Mike Jennings on Thu, Jul 2, 2009 As a coordinator of Web 2 media and product technology at OSTI, I've often wondered whether the stakeholders involved in the development of DOE scientific reports could benefit more from web innovations such as websites, blog sites, subscriptions, and "live" content. The commercial Web and its second generation of Web 2 innovations have certainly

  5. WINDExchange: Podcasts

    Wind Powering America (EERE)

    Podcasts WINDExchange and the National Association of Farm Broadcasters produce a series of radio interviews on wind energy topics including national policy, economic benefits to rural communities, water conservation, and wind turbine quality and certification. To subscribe, click on the PODCAST button below to open up the feed. Copy the URL from your browser's address bar into your podcast subscription software. Podcast There aren't any agricultural radio interviews from 2016.2015 | 2014 | 2013

  6. Center for Nanophase Materials Sciences (CNMS) - Publications

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

    2 PUBLICATIONS Links to individual papers are provided when available online. These links will take you to other web sites and will open in a new window. Subscription may be required to access online publications. Alvarez, G., "Implementation of the SU(2) Hamiltonian Symmetry for the DMRG Algorithm," Comput. Phys. Commun. 183 (10), 2226-2232 (2012). Alves, F.; Grbovic, D.; Kearney, B.; Karunasiri, G., "Microelectromechanical Systems Bimaterial Terahertz Sensor with Integrated

  7. Center for Nanophase Materials Sciences (CNMS) - Highlights

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

    RESEARCH HIGHLIGHTS Archived highlights Links to individual papers are provided when available online. These links will take you to other web sites and will open in a new window. Subscription may be required to access online publications. In situ microscopy explains why Pt-Co nanoparticles outperform commercial Pt fuel cell catalysts Individual Pt3Co catalyst nanoparticles (NPs) were imaged during in situ thermal annealing from 350-800°C in a scanning transmission electron microscope (STEM) to

  8. Center for Nanophase Materials Sciences (CNMS) - Publications

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

    RECENT PUBLICATIONS Jump to Archived publication lists Available soon - Links to individual papers are provided when available online. These links will take you to other web sites and will open in a new window. Subscription may be required to access online publications. Agapov, R. L.; Boreyko, J. B.; Briggs, D. P.; Srijanto, B. R.; Retterer, S. T.; Collier, C. P.; Lavrik, N. V., "Asymmetric Wettability of Nanostructures Directs Leidenfrost Droplets," ACS Nano 8 (1), 860-867 (2014).

  9. Energy Innovations: Science & Technology at NREL, Winter 2011 (Brochure)

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

    Innovations is a publication of the National Renewable Energy Laboratory. Managing editor: Robert Hawsey Technical editors: Terri Jones, Ernie Tucker Designer: Mark Swisher Visit our Web site at www.nrel.gov To subscribe to Energy Innovations, visit www.nrel.gov/news/subscription If you have any comments or questions about this publication, please contact the NREL Public Affairs office at 303-275-4090. National Renewable Energy Laboratory 1617 Cole Boulevard, Golden, Colorado 80401 303-275-3000

  10. NREL: Energy Analysis - Energy Analysis Newsletter

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

    Decision Insight and Market Impacts Newsletter Unsubscribe Please enter your email address to unsubscribe from the Decision Insight and Market Impacts Newsletter. Complete E-mail Address: Unsubscribe If you have any questions about this online subscription service, please contact us. Printable Version Energy Analysis Home Capabilities & Expertise Key Activities Models & Tools Data & Resources Publications Partnerships Staff Working with Us Related Links News Did you find what you

  11. Brochure Hydraulic Institute Standards Overview | Department of Energy

    Energy Savers [EERE]

    Hydraulic Institute Standards Overview Brochure Hydraulic Institute Standards Overview If you specify, select, design, test, install or operate pumps or pumping systems, you will find ANSI/HI Pump Standards to be invaluable tools. PDF icon I_Brochure_Hydraulic_Institute_Stds_Overview.pdf More Documents & Publications Brochure HI Standards Subscription Options Summary of 2011 Accomplishments HI & PSM Summary of HI Standards Relating to Energy Efficency

  12. Commercial & Resource Sharing Teleprocessing Services | Department of

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

    Energy Commercial & Resource Sharing Teleprocessing Services Commercial & Resource Sharing Teleprocessing Services The Following Commercial Timeshare Agreement Vendors are available to the Department of Energy: Contact mailto: Anna.Edwards@hq.doe.gov or mailto: Diane.McDonoungh@hq.doe.gov in the Business Management Division (IM-12) for more information and access. CONGRESSIONAL QUARTERLY, INC (CQI) These are annual subscriptions residing on CQI: Legislative Tracking, Reporting, and

  13. National Geothermal Data System Deployed to Serve Industry | Department of

    Office of Environmental Management (EM)

    Energy National Geothermal Data System Deployed to Serve Industry National Geothermal Data System Deployed to Serve Industry May 28, 2014 - 9:08am Addthis The National Geothermal Data System deploys free, open-source online scientific information, a mammoth resource of geoscience data. In the data visualization shown here, Schlumberger utilized bottom hole temperatures from the National Geothermal Data Systems (NDGS) on-line platform to supplement subscription data temperatures used to

  14. Alternative Fuels Data Center

    Alternative Fuels and Advanced Vehicles Data Center [Office of Energy Efficiency and Renewable Energy (EERE)]

    Electric Vehicle Supply Equipment (EVSE) Open Access Requirements EVSE service providers may not charge a subscription fee or require membership for use of their public charging stations. In addition, providers must disclose the actual charges for using public EVSE at the point of sale; allow at least two options for payment; and disclose the EVSE geographic location, schedule of fees, accepted methods of payment, and network roaming charges to the National Renewable Energy Laboratory.

  15. Solar Newsletters | Department of Energy

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

    Newsletters Solar Newsletters The SunShot Initiative offers e-newsletters to provide up-to-date information about our latest activities and upcoming funding opportunities. The SunShot newsletter provides weekly e-mail updates on solar office activities, events, funding opportunities, and publications. The SunShot concentrating solar power newsletter provides quarterly e-mail updates specific to the CSP industry. Update your subscriptions, modify your password or e-mail address, or stop

  16. Shipping and Receiving

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

    Shipping and Receiving Print On this page: Transport Policy Shipping to the ALS Shipping from the ALS Shipping Hazardous Materials Contacts: ALS Shipping & Receiving (small packages) LBNL Shipping & Receiving (large packages requiring forklift truck) Building 7 Hours: M-F, 7:30 am-4:30 pm Telephone: 510 486 4494 Building 69 Hours: M-F, 7:00 am-3:30 pm Telephone: 510 486 4935 Fax: 510 486 5668 Transport Policy - Getting Your Samples and Equipment to and from the ALS All Lab personnel,

  17. MTBreg: The Database of Conditionally Regulated Proteins in Mycobacterium Tuberculosis

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

    Kaufman, Markus; Pal, Debnath; Eisenberg, David

    Proteins up- and down- regulated in Mycobacterium tuberculosis grown under conditions mimicking infection are included in this database. It also includes information on proteins that are regulated by selected transcription factors or other regulatory proteins. The literature data provided here is complimentary to the databases provided by Michael Strong that include recent TB computational functional linkages and the Prolinks Database by Peter Bowers. The experimental condition, the experimental dataset and a literature reference will be displayed, including links to the computationally linked proteins in the Prolinks Database and the entry in the Mycobacterium tuberculosis Structural Genomics Database.[Copied from information at http://www.doe-mbi.ucla.edu/Services/MTBreg/

  18. A phenomenological study of photon production in low energy neutrino nucleon scattering

    SciTech Connect (OSTI)

    Jenkins, James P; Goldman, Terry J

    2009-01-01

    Low energy photon production is an important background to many current and future precision neutrino experiments. We present a phenomenological study of t-channel radiative corrections to neutral current neutrino nucleus scattering. After introducing the relevant processes and phenomenological coupling constants, we will explore the derived energy and angular distributions as well as total cross-section predictions along with their estimated uncertainties. This is supplemented throughout with comments on possible experimental signatures and implications. We conclude with a general discussion of the analysis in the context of complimentary methodologies. This is based on a talk presented at the DPF 2009 meeting in Detroit MI.

  19. 2014 Peer Review Agenda- 07-31-14 - Web

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

    September 16 4:00 - 6:00pm Early Registration Wednesday, September 17 7:30 AM Registration (all-day) Complimentary Breakfast sponsored 8:30 AM Welcome Amanda Spinney Sandia National Laboratories Welcome and DOE Perspective DOE / OE Program Overview Dr. Imre Gyuk US Department of Energy/Office of Electricity Delivery and Energy Reliability DOE / ARPA-E Program Overview Dr. John Lemmon US Department of Energy / Advanced Research Projects Agency-ENERGY DOE / ARRA / NETL Program Overview Ron Staubly

  20. Informational Materials | Y-12 National Security Complex

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

    Informational Materials Informational Materials Listed below are complimentary historical materials available at the Y-12 History Center or for viewing or downloading from this page. All files are in Adobe PDF format. BOOKLETS Image of John Googin A Biography of Dr. John M. Googin A warm tribute and loving memorial for Dr. John M. Googin, published by his friends and colleagues in Y-12's Development Division. (Size: 856 KB) Image of Jack Case Jack Case and The Jack Case Center Articles on Jack

  1. Transportation Project Development and the National Environmental Policy Act

    SciTech Connect (OSTI)

    Lanthrum, J.G.

    2006-07-01

    This paper explores the nexus between project management and the National Environmental Policy Act (NEPA) activities for developing the Nevada Rail Line to Yucca Mountain. In many federal agencies, the responsibility for project management is completely separate from the responsibility for NEPA implementation; however, each Department of Energy (DOE) Departmental Element has a NEPA Compliance Officer. This ensures effective integration between NEPA and project management activities. As the project management and NEPA activities are implemented, it becomes clear that they are very complimentary processes. This paper will describe the integration of NEPA and project management activities for development of a rail line to the Yucca Mountain geologic repository in Nye County, Nevada. (authors)

  2. Keep in mind, that with formality, often comes more of a standing presence of a committee within DOE-it gets into DOE's system and becomes a budget line item as well

    Office of Environmental Management (EM)

    March 5, 2015 8:30 A.M. - 4 P.M. WHITNEY OAKS GOLF CLUB 2305 Clubhouse Drive ROCKLIN, CALIFORNIA (916) 632-8333 (Complimentary and frequent 10-minute shuttle ride from Thunder Valley Resort) DRAFT AGENDA CONFERENCE ROOM - TBD 7:45 a.m. SHUTTLE DEPARTS FROM THUNDER VALLEY RESORT TO WHITNEY OAKS GOLF CLUB 8 - 8:30 a.m. REGISTRATION & FULL BREAKFAST (Breakfast buffet will be provided.) 8:30 - 9:45 a.m. WELCOME, OPENING REMARKS AND INTRODUCTIONS ICEIWG Co-Hosts Susan Masten, Vice Chairperson,

  3. USEPA's hierarchy for municipal solid waste management: Theory vs. practice

    SciTech Connect (OSTI)

    Matar, G. )

    1993-01-01

    This paper will address USEPA's hierarchy for municipal solid waste management (MSWM), which places source reduction and recycling above combustion and landfilling. Many have read this to mean that combustion and landfilling should only be considered after all recycling and reduction efforts have been explored. This mentality has not only left many communities in a MSWM capacity crisis, but also created planning problems for many others. Contrary to commonly held beliefs, it will be shown that the last two methods on the hierarchy should be considered from the beginning when planning for MSWM. It will also be shown that these methods are not antithetical to the first two methods, but are actually complimentary.

  4. inside shuttle sign wo date

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

    Pentagon City Metro Station/ Pentagon City Metro Station/ Fashion Centre/ Fashion Centre/ Pentagon Row Pentagon Row Shuttle departs every 30 minutes From Hotel To Hotel 6:15 AM (First) 6:30 AM (First) 11:15 PM (Last) 11:30 PM (Last) From Hotel To Hotel 5:00 AM (First) 5:15 AM (First) 12:00 AM (Last) 12:15 AM (Last) National Airport (DCA) National Airport (DCA) Shuttle departs every 30 minutes Sheraton Pentagon Sheraton Pentagon City Hotel City Hotel Complimentary Guest Shuttle Service Contact

  5. ESS 2012 Peer Review and Update Meeting - Agenda

    Office of Environmental Management (EM)

    Tuesday, September 25 PRE-MEETING REGISTRATION 4:00 pm - 6:00 pm Registration Wednesday, September 26 TIME PROJECT SPEAKER 7:00 am Registration (all day) & Complimentary Breakfast Sponsored by Aquion Energy 8:30 am - Welcome: Georgianne Huff, SNL Session Chair: Dr. Imre Gyuk, DOE 8:35 Welcome and DOE Perspective Dr. Imre Gyuk - US Department of Energy / Office of Electricity Delivery & Energy Reliability 8:50 DOE / OE Program Overview Dr. Imre Gyuk - US Department of Energy / Office of

  6. Monthly Energy Review - June 1999

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    202-512-1800 Fax: 202-512-2250 8 a.m. to 4:30 p.m., eastern time, M-F The Monthly Energy Review (ISSN 0095-7356) sells for 88.00 per year (price is subject to change without...

  7. READING FILE COPY F-e

    U.S. Energy Information Administration (EIA) Indexed Site

    Government Printing Office Main Order Desk (202) 512-1800 FAX: (202) 512-2250 8 a.m. to 4:30 p.m., eastern time, M-F All mail orders should be directed to: U.S. Government Printing...

  8. E/EIA

    U.S. Energy Information Administration (EIA) Indexed Site

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    Office of Legacy Management (LM)

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  10. System and method for a parallel immunoassay system

    DOE Patents [OSTI]

    Stevens, Fred J. (Naperville, IL)

    2002-01-01

    A method and system for detecting a target antigen using massively parallel immunoassay technology. In this system, high affinity antibodies of the antigen are covalently linked to small beads or particles. The beads are exposed to a solution containing DNA-oligomer-mimics of the antigen. The mimics which are reactive with the covalently attached antibody or antibodies will bind to the appropriate antibody molecule on the bead. The particles or beads are then washed to remove any unbound DNA-oligomer-mimics and are then immobilized or trapped. The bead-antibody complexes are then exposed to a test solution which may contain the targeted antigens. If the antigen is present it will replace the mimic since it has a greater affinity for the respective antibody. The particles are then removed from the solution leaving a residual solution. This residual solution is applied a DNA chip containing many samples of complimentary DNA. If the DNA tag from a mimic binds with its complimentary DNA, it indicates the presence of the target antigen. A flourescent tag can be used to more easily identify the bound DNA tag.

  11. Postdoc brings open access issue to the table > Archived News Stories > The

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

    Energy Materials Center at Cornell Postdoc brings open access issue to the table June 4th, 2014 › By Anne Ju Robert Barker/University Photography Jimmy O'Dea helped start a discussion at Cornell about an open-access policy. Cornell scientists report research discoveries almost every day, but to the nonacademic world, clicking on a link to a published paper usually leads to a pay wall, barring access without a journal subscription. Many feel that such research - often paid for at least in

  12. Center for Nanophase Materials Sciences (CNMS) - Publications

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

    2004 PUBLICATIONS Links to individual papers are provided when available online. These links will take you to other web sites and will open in a new window. Subscription may be required to access online publications. L. R. Baylor, W. L. Gardner, X. Yang, R. J. Kasica, M. A. Guillorn, B. Blalock, H. Cui, D. K. Hensley, S. Islam, D. H. Lowndes, A. V. Melechko, V. I. Merkulov, D. C. Joy, P. D. Rack, M. L. Simpson, and D. K. Thomas, "Initial Lithography Results from the Digital Electrostatic

  13. Center for Nanophase Materials Sciences (CNMS) - Publications

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

    5 PUBLICATIONS Links to individual papers are provided when available online. These links will take you to other web sites and will open in a new window. Subscription may be required to access online publications. Carbon J. Bernholc, W. Lu, S. M. Nakhmanson, V. Meunier, and M. Buongiorno Nardelli, "Multiscale Simulations of Quantum Structures," p. 18 in Proceedings of DoD 2005 Users Group Conference, IEEE Computer Society (2005). J.-G. Che and H. P. Cheng, "First-Principles

  14. Center for Nanophase Materials Sciences (CNMS) - Publications

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

    6 PUBLICATIONS Links to individual papers are provided when available online. These links will take you to other web sites and will open in a new window. Subscription may be required to access online publications. Alonzo, J., Z. Huang, M. Liu, J. W. Mays, R. G. Toomey, M. D. Dadmun, and S. M. Kilbey, "Looped Polymer Brushes Formed by Self-Assembly of Poly(2-vinylpyridine)-Polystyrene-Poly(2-vinylpyridine) Triblock Copolymers at the Solid-Fluid Interface. Kinetics of Preferential

  15. Center for Nanophase Materials Sciences (CNMS) - Publications

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

    8 PUBLICATIONS Links to individual papers are provided when available online. These links will take you to other web sites and will open in a new window. Subscription may be required to access online publications. Alexander, N. R., K. M. Branch, I. C. Iwueke, S. A. Guelcher, and A. M. Weaver, "Extracellular Matrix Rigidity Promotes Invadopodia Activity," Curr. Biol. 18(17), 1295-9 (2008). Ankner, J. F., X. Tao, C. E. Halbert, J. F. Browning, S. M. Kilbey III, O. A. Swader, M. D.

  16. Center for Nanophase Materials Sciences (CNMS) - Publications

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

    9 PUBLICATIONS Links to individual papers are provided when available online. These links will take you to other web sites and will open in a new window. Subscription may be required to access online publications. Alonzo, J.; Mays, J. W.; Kilbey II, S. M., "Forces of Interaction Between Surfaces Bearing Looped Polymer Brushes in Good Solvent," Soft Matter 5 (9), 1897-1904 (2009). Arenholz, E.; van der Laan, G.; Yang, F.; Kemik, N.; Biegalski, M. D.; Christen, H. M.; Takamura, Y,

  17. Open Access: From Myth to Paradox

    ScienceCinema (OSTI)

    Ginsparg, Paul [Cornell University, Ithaca, New York, United States

    2010-01-08

    True open access to scientific publications not only gives readers the possibility to read articles without paying subscription, but also makes the material available for automated ingestion and harvesting by 3rd parties. Once articles and associated data become universally treatable as computable objects, openly available to 3rd party aggregators and value-added services, what new services can we expect, and how will they change the way that researchers interact with their scholarly communications infrastructure? I will discuss straightforward applications of existing ideas and services, including citation analysis, collaborative filtering, external database linkages, interoperability, and other forms of automated markup, and speculate on the sociology of the next generation of users.

  18. HI's Web-based Standards "packages" will provide you with all of the Stand

    Office of Environmental Management (EM)

    HI's Web-based Standards "packages" will provide you with all of the Standards appropriate for a specific pump technology. Select the package that is right for your business and the number of simultaneous users ("seats") you desire, and the state of the art, solution-oriented content you require will be at your fingertips. Your "Standards by Subscription" are full version Standards, authoritative and comprehensive. Content is concise, easy to read, searchable, and

  19. Ballooning Stability of the Compact Quasiaxially Symmetric Stellarator

    SciTech Connect (OSTI)

    M.H. Redi; J. Canik; R.L. Dewar; J.L. Johnson; S. Klasky; W.A. Cooper; W. Kerbichler

    2001-09-19

    The magnetohydrodynamic (MHD) ballooning stability of a compact, quasiaxially symmetric stellarator (QAS), expected to achieve good stability and particle confinement is examined with a method that can lead to estimates of global stability. Making use of fully 3D, ideal-MHD stability codes, the QAS beta is predicted to be limited above 4% by ballooning and high-n kink modes. Here MHD stability is analyzed through the calculation and examination of the ballooning mode eigenvalue isosurfaces in the 3-space [s, alpha, theta(subscript ''k'')]; s is the edge normalized toroidal flux, alpha is the field line variable, and theta(subscript ''k'') is the perpendicular wave vector or ballooning parameter. Broken symmetry, i.e., deviations from axisymmetry, in the stellarator magnetic field geometry causes localization of the ballooning mode eigenfunction, with new types of nonsymmetric, eigenvalue isosurfaces in both the stable and unstable spectrum. The isosurfaces around the most unstable points i n parameter space (well above marginal) are topologically spherical. In such cases, attempts to use ray tracing to construct global ballooning modes lead to a k-space runaway. Introduction of a reflecting cutoff in k(perpendicular) to model numerical truncation or finite Larmor radius (FLR) yields chaotic ray paths ergodically filling the allowed phase space, indicating that the global spectrum must be described using the language of quantum chaos theory. However, the isosurface for marginal stability in the cases studied are found to have a more complex topology, making estimation of FLR stabilization more difficult.

  20. Anderson Localization of Ballooning Modes, Quantum Chaos and the Stability of Compact Quasiaxially Symmetric Stellarators

    SciTech Connect (OSTI)

    M.H. Redi; J.L. Johnson; S. Klasky; J. Canik; R.L. Dewar; W.A. Cooper

    2001-10-31

    The radially local magnetohydrodynamic (MHD) ballooning stability of a compact, quasiaxially symmetric stellarator (QAS), is examined just above the ballooning beta limit with a method that can lead to estimates of global stability. Here MHD stability is analyzed through the calculation and examination of the ballooning mode eigenvalue isosurfaces in the 3-space [s, alpha, theta(subscript ''k'')]; s is the edge normalized toroidal flux, alpha is the field line variable, and q(subscript ''k'') is the perpendicular wave vector or ballooning parameter. Broken symmetry, i.e., deviations from axisymmetry, in the stellarator magnetic field geometry causes localization of the ballooning mode eigenfunction, and gives rise to new types of nonsymmetric eigenvalue isosurfaces in both the stable and unstable spectrum. For eigenvalues far above the marginal point, isosurfaces are topologically spherical, indicative of strong ''quantum chaos.'' The complexity of QAS marginal isosurfaces suggests that finite Larmor radius stabilization estimates will be difficult and that fully three-dimensional, high-n MHD computations are required to predict the beta limit.

  1. The Role of Axisymmetric Reconnection Events in JET Discharges with Extreme Shear Reversal

    SciTech Connect (OSTI)

    B.C. Stratton; J.A. Breslau; R.V. Budny; S.C. Jardin; W. Park; H.R. Strauss; L.E. Zakharov; B. Alper; V. Drozdov; N.C. Hawkes; S. Reyes-Cortes; and Contributors to the EFDA-JET Work Programme

    2001-12-03

    Injection of Lower Hybrid Heating and Current Drive into the current ramp-up phase of Joint European Torus (JET) discharges can produce extremely reversed q-profiles characterized by a core region of very small or zero current density (within Motional Stark Effect diagnostic measurement errors) and q(subscript min) > 1. T(subscript e)-profiles show sawtooth-like collapses and the presence of an internal transport barrier. Accurate equilibrium reconstructions of these discharges are obtained using the ESC code, which was recently extended to allow equilibrium reconstructions in which a free boundary solver determines the plasma boundary and a fixed boundary solver provides the magnetic geometry and current density profile. The core current density does not appear to go negative, although current diffusion calculations indicate that sufficient non-inductive current drive to cause this is present. This is explained by nonlinear resistive MHD simulations in toroidal geometry which predict that these discharges undergo n=0 reconnection events (axisymmetric sawteeth) that redistribute the current to hold the core current density near zero.

  2. 2007 Wholesale Power Rate Adjustment Proceeding (WP-07) : Administrator's Final Record of Decision.

    SciTech Connect (OSTI)

    United States. Bonneville Power Administration.

    2006-07-01

    This Record of Decision (ROD) contains the decisions of the Bonneville Power Administration (BPA), based on the record compiled in this rate proceeding, with respect to the adoption of power rates for the three-year rate period commencing October 1, 2006, through September 30, 2009. This ''2007 Wholesale Power Rate Adjustment Proceeding'' is designed to establish replacement rate schedules and General Rate Schedule Provisions (GRSPs) for those that expire on September 30, 2006. This power rate case also establishes the General Transfer Agreement (GTA) Delivery Charge for the period of October 1, 2007, through September 30, 2009. BPA's Power Subscription Strategy and Record of Decision (Subscription Strategy), as well as other Agency processes, provide much of the policy context for this rate case and are described in Section 2. This ROD follows a full evidentiary hearing and briefing, including an Oral Argument before the BPA Administrator. Sections 3 through 18, including any appendices or attachments, present the issues raised by parties in this proceeding, the parties positions, BPA staff positions on the issues, BPA's evaluations of the positions, and the Administrator's decisions. Parties had the opportunity to file briefs on exceptions to the Draft ROD, before issuance of this Final Record of Decision.

  3. FACT SHEET U.S. Department of Energy ARM Mobile Facility

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

    t a * r - m * - HarmI cf r * f f - -* f * * - s - g pf -*L n sf af * L - t f w * - p L f * arm a f f f L - - - * * - * f - * - f f* i- -L arm m f f f * HamfI f -* - f * - - * - * f * - R - *L - - - - - L f f * * t * f f L amf L * * f - RPP * - f L amfRL * * f * * f - - o RP P c -* * - * f f * f *L * f - * -* - *L - -*L - * * *L amf * * f -* a- - * f f * * f * - -* - * amf - f * - f f - - fM b * * f - f L amf * - f f - - ff * - - f s - - - * * f f ff f -- - *L - * * * f f f f -M* f * ff - * - * *

  4. c ~ x W = = E O M O F = R U S J Q V M O

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

    l i n e h q K d o e K g o v e l q i f k b l jm i f k q p lffic e o f f n s p e c t o r d e n e r l N M M M f n d e p e n d e n c e v e n u e p t t s h i n g ...

  5. ARM - Publications: Science Team Meeting Documents

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

    Cloud Overlap from a Cloud Resolving Model Oreopoulos, L.(a) and Khairoutdinov, M.F.(b), JCET-UMBC (a), Colorado State University (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The overlap properties of ~850 snapshots of convective cloud fields generated by a Cloud Resolving Model are studied and compared with previously published results based on cloud radar observations. Total cloud fraction is overestimated by the random overlap assumption and underestimated by

  6. Re

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

    Expe rim e nt Se t up CSRM Sys t e m f or At m os ph e ric M ode l l ing v e rs ion 6.5 (SAM v 6.5) 2D w it h axis orie nt e d w e s t -e as t 24 v e rt ical l aye rs w it h grids...

  7. September 2015 Most Viewed Documents for Environmental Sciences | OSTI, US

    Office of Scientific and Technical Information (OSTI)

    Dept of Energy, Office of Scientific and Technical Information September 2015 Most Viewed Documents for Environmental Sciences Separation of heavy metals: Removal from industrial wastewaters and contaminated soil Peters, R.W.; Shem, L. (1993) 285 Statistical methods for environmental pollution monitoring Gilbert, R.O. (1987) 126 Building a secondary containment system Broder, M.F. (1994) 121 Study of using oxygen-enriched combustion air for locomotive diesel engines Poola, R.B.; Sekar, R.

  8. December 2015 Most Viewed Documents for Environmental Sciences | OSTI, US

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

    Dept of Energy, Office of Scientific and Technical Information Environmental Sciences Separation of heavy metals: Removal from industrial wastewaters and contaminated soil Peters, R.W.; Shem, L. (1993) 452 Building a secondary containment system Broder, M.F. (1994) 171 Statistical methods for environmental pollution monitoring Gilbert, R.O. (1987) 116 Ammonia usage in vapor compression for refrigeration and air-conditioning in the United States Fairchild, P.D.; Baxter, V.D. (1995) 101

  9. April 2013 Most Viewed Documents for Environmental Sciences | OSTI, US Dept

    Office of Scientific and Technical Information (OSTI)

    of Energy, Office of Scientific and Technical Information April 2013 Most Viewed Documents for Environmental Sciences Science Subject Feed Building a secondary containment system Broder, M.F. (1994) 144 /> Methods and opportunities in the recycling of rare earth based materials Ellis, T.W.; Schmidt, F.A.; Jones, L.L. (1994) 134 /> Ecological Screening Values for Surface Water, Sediment, and Soil Friday, G. P. (1999) 128 /> Ammonia usage in vapor compression for refrigeration and

  10. 15.05.29 RH Operando X-ray - JCAP

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

    Direct Observation of a Semiconductor/Liquid Junction by Operando X-Ray Photoelectron Spectroscopy (XPS) Lichterman , M. F. et al. Direct Observation of the Energetics at a Semiconductor/Liquid Junction by Operando X-Ray Photoelectron Spectroscopy. Energy Environ. Sci ., 2015, DOI: 10.1039/C5EE01014D (2015). Scientific Achievement We demonstrated that the operando XPS technique, applied to a semiconductor/liquid junction, can directly measure the positions of the electronic states of the

  11. July 2013 Most Viewed Documents for Environmental Sciences | OSTI, US Dept

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

    of Energy, Office of Scientific and Technical Information July 2013 Most Viewed Documents for Environmental Sciences Science Subject Feed Building a secondary containment system Broder, M.F. (1994) 98 /> Separation of heavy metals: Removal from industrial wastewaters and contaminated soil Peters, R.W.; Shem, L. (1993) 76 /> Ammonia usage in vapor compression for refrigeration and air-conditioning in the United States Fairchild, P.D.; Baxter, V.D. (1995) 58 /> Mitigation options for

  12. June 2015 Most Viewed Documents for Environmental Sciences | OSTI, US Dept

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

    of Energy, Office of Scientific and Technical Information June 2015 Most Viewed Documents for Environmental Sciences Separation of heavy metals: Removal from industrial wastewaters and contaminated soil Peters, R.W.; Shem, L. (1993) 234 Statistical methods for environmental pollution monitoring Gilbert, R.O. (1987) 102 Building a secondary containment system Broder, M.F. (1994) 97 Mitigation options for accidental releases of hazardous gases Fthenakis, V.M. (1995) 87 Ammonia usage in vapor

  13. I 'RADIOPHARNACEUTICALS IN PET, PROGRESS AND PROMISE F

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

    4198 1 I 'RADIOPHARNACEUTICALS IN PET, PROGRESS AND PROMISE : F j - c ? R7 ~ . m f* -,.. Alfred P. Wolf and Joanna S. Fowler The PET method is designed to probe human biochemistry and physiology in both normal and pathological states. allow the determination or delineation of these biochemical or physiological parameters in a quantitative manner. The technology is driven by the short half-life of the major positron emitters, carbon-11, nitrogen-13 and fluorine- 18 and oxygen-15 and their

  14. Most Viewed Documents - Energy Storage, Conversion, and Utilization | OSTI,

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

    US Dept of Energy, Office of Scientific and Technical Information - Energy Storage, Conversion, and Utilization Process Equipment Cost Estimation, Final Report H.P. Loh; Jennifer Lyons; Charles W. White, III (2002) Continuously variable transmissions: theory and practice Beachley, N.H.; Frank, A.A. () Review of air flow measurement techniques McWilliams, Jennifer (2002) Building a secondary containment system Broder, M.F. (1994) Cost benefit analysis of the night-time ventilative cooling in

  15. rom_stab_compMech.dvi

    Office of Scientific and Technical Information (OSTI)

    3-4183J Noname manuscript No. (will be inserted by the editor) Construction of Energy-Stable Projection-Based Reduced Order Models I. Kalashnikova * M.F. Barone * S. Arunajatesan * B. van Bloemen Waanders Received: date / Accepted: date Abstract This paper aims to unify and extend several approaches for building stable projection- based reduced order models (ROMs) using the energy method and the concept of "energy- stability". Attention is focused on linear time-invariant (LTI)

  16. Achieving Vibration Stability of the NSLS-II Hard X-ray Nanoprobe Beamline

    SciTech Connect (OSTI)

    Simos, N.; Chu, Y. N.; Broadbent, A.; Nazaretski, E.; Margulies, L.; Dyling, O.; Shen, Q.; Fallier, M.

    2010-08-30

    The Hard X-ray Nanoprobe (HXN) Beamline of National Synchrotron Light Source II (NSLS-lI) requires high levels of stability in order to achieve the desired instrument resolution. To ensure that the design of the endstation helps meet the stringent criteria and that natural and cultural vibration is mitigated both passively and actively, a comprehensive study complimentary to the design process has been undertaken. Vibration sources that have the potential to disrupt sensitive experiments such as wind, traffic and NSLS II operating systems have been studied using state of the art simulations and an array of field data. Further, final stage vibration isolation principles have been explored in order to be utilized in supporting endstation instruments. This paper presents results of the various study aspects and their influence on the HXN design optimization.

  17. How to make x-ray simulation software working on WWW : a simple recipe based on seven years of experience.

    SciTech Connect (OSTI)

    Stepanov, S.; Biosciences Division

    2004-01-01

    Attaching WWW interfaces to scientific software opens new opportunities to researchers by making their results available to wide scientific community in a way complimentary to publication. We have shown that this task may be much easier than many used to think: the amount of additional code is small, the Common Gateway Interface (CGI) can be written in any language, not necessarily PERL, and the software can be interfaced on any operating system it was originally written and does not have to be ported to UNIX. This paper provides some useful recipes resulted from seven years of author's experience in developing and maintaining highly successful X-ray Web server project. All these solutions are based on free public domain software (Apache, GnuPlot, and InfoZip) and applicable for multiple computer platforms. Some practical examples are provided.

  18. Fundamental channeling questions at ultra relativistic energies

    SciTech Connect (OSTI)

    Carrigan, Richard A., Jr.; /Fermilab

    2006-08-01

    TeV-range bent crystal channeling has interesting advantages for several applications at high energy accelerators. Observations of enhanced deflection over the whole arc of a bent crystal at RHIC and recently at the Tevatron may be due to a process called ''volume reflection''. More investigations of volume reflection and of the complimentary process, volume capture, are needed. So-called quasimosaic bending processes also deserve additional study. Negative particle channeling may be relevant to channeling collimation for electron machines. Electron and positron channeling and channeling radiation are interwoven so that the impact of channeling radiation on applications needs to be better understood. Beams in the 0.1 to 1 GeV range may be useful for some of these investigations. Finally there has been little or no study of positive and negative muon channeling. The current understanding of these topics and the desirability of further work is reviewed.

  19. Investigation of the mechanism of impurity assisted nanoripple formation on Si induced by low energy ion beam erosion

    SciTech Connect (OSTI)

    Koyiloth Vayalil, Sarathlal; Gupta, Ajay; Roth, Stephan V.; Ganesan, V.

    2015-01-14

    A detailed mechanism of the nanoripple pattern formation on Si substrates generated by the simultaneous incorporation of pure Fe impurities at low energy (1 keV) ion beam erosion has been studied. To understand and clarify the mechanism of the pattern formation, a comparative analysis of the samples prepared for various ion fluence values using two complimentary methods for nanostructure analysis, atomic force microscopy, and grazing incidence small angle x-ray scattering has been done. We observed that phase separation of the metal silicide formed during the erosion does not precede the ripple formation. It rather concurrently develops along with the ripple structure. Our work is able to differentiate among various models existing in the literature and provides an insight into the mechanism of pattern formation under ion beam erosion with impurity incorporation.

  20. Model-based statistical estimation of Sandia RF ohmic switch dynamic operation form stroboscopic, x-ray imaging.

    SciTech Connect (OSTI)

    Diegert, Carl F.

    2006-12-01

    We define a new diagnostic method where computationally-intensive numerical solutions are used as an integral part of making difficult, non-contact, nanometer-scale measurements. The limited scope of this report comprises most of a due diligence investigation into implementing the new diagnostic for measuring dynamic operation of Sandia's RF Ohmic Switch. Our results are all positive, providing insight into how this switch deforms during normal operation. Future work should contribute important measurements on a variety of operating MEMS devices, with insights that are complimentary to those from measurements made using interferometry and laser Doppler methods. More generally, the work opens up a broad front of possibility where exploiting massive high-performance computers enable new measurements.

  1. Diffraction Studies from Minerals to Organics - Lessons Learned from Materials Analyses

    SciTech Connect (OSTI)

    Whitfield, Pamela S

    2014-01-01

    In many regards the study of materials and minerals by powder diffraction techniques are complimentary, with techniques honed in one field equally applicable to the other. As a long-time materials researcher many of the examples are of techniques developed for materials analysis applied to minerals. However in a couple of cases the study of new minerals was the initiation into techniques later used in materials-based studies. Hopefully they will show that the study of new minerals structures can provide opportunities to add new methodologies and approaches to future problems. In keeping with the AXAA many of the examples have an Australian connection, the materials ranging from organics to battery materials.

  2. Levinson theorem for the Dirac equation in one dimension

    SciTech Connect (OSTI)

    Ma Zhongqi; Dong Shihai; Wang Luya

    2006-07-15

    The Levinson theorem for the (1+1)-dimensional Dirac equation with a symmetric potential is proved with the Sturm-Liouville theorem. The half-bound states at the energies E={+-}M, whose wave function is finite but does not decay at infinity fast enough to be square integrable, are discussed. The number n{sub {+-}} of bound states is equal to the sum of the phase shifts at the energies E={+-}M:{delta}{sub {+-}}(M)+{delta}{sub {+-}}(-M)=(n{sub {+-}}+a){pi}, where the subscript {+-} denotes the parity and the constant a is equal to -1/2 when no half-bound state occurs, to 0 when one half-bound state occurs at E=M or at E=-M, and to 1/2 when two half-bound states occur at both E={+-}M.

  3. DOE SBIR Phase II Final Technical Report - Assessing Climate Change Effects on Wind Energy

    SciTech Connect (OSTI)

    Whiteman, Cameron; Capps, Scott

    2014-11-05

    Specialized Vertum Partners software tools were prototyped, tested and commercialized to allow wind energy stakeholders to assess the uncertainties of climate change on wind power production and distribution. This project resulted in three commercially proven products and a marketing tool. The first was a Weather Research and Forecasting Model (WRF) based resource evaluation system. The second was a web-based service providing global 10m wind data from multiple sources to wind industry subscription customers. The third product addressed the needs of our utility clients looking at climate change effects on electricity distribution. For this we collaborated on the Santa Ana Wildfire Threat Index (SAWTi), which was released publicly last quarter. Finally to promote these products and educate potential users we released “Gust or Bust”, a graphic-novel styled marketing publication.

  4. Carbon films produced from ionic liquid carbon precursors

    DOE Patents [OSTI]

    Dai, Sheng; Luo, Huimin; Lee, Je Seung

    2013-11-05

    The invention is directed to a method for producing a film of porous carbon, the method comprising carbonizing a film of an ionic liquid, wherein the ionic liquid has the general formula (X.sup.+a).sub.x(Y.sup.-b).sub.y, wherein the variables a and b are, independently, non-zero integers, and the subscript variables x and y are, independently, non-zero integers, such that ax=by, and at least one of X.sup.+ and Y.sup.- possesses at least one carbon-nitrogen unsaturated bond. The invention is also directed to a composition comprising a porous carbon film possessing a nitrogen content of at least 10 atom %.

  5. 105(scaled land 215%)7-22-05

    National Nuclear Security Administration (NNSA)

    G U Y A N A S U R I N A M F R E N C H G U I A N A E S T O N IA L A T V I A L I T H . S L O V E N I A C R O A T I A S E R B - M O N T A L B A N I A T O G O B E N I N B O S N I A - H...

  6. September 2013 Most Viewed Documents for Environmental Sciences | OSTI, US

    Office of Scientific and Technical Information (OSTI)

    Dept of Energy, Office of Scientific and Technical Information September 2013 Most Viewed Documents for Environmental Sciences Science Subject Feed Building a secondary containment system Broder, M.F. (1994) 59 /> Separation of heavy metals: Removal from industrial wastewaters and contaminated soil Peters, R.W.; Shem, L. (1993) 45 /> Test of a magnetic device for the amelioration of scale formation at Treatment Facility D Krauter, P.W., Harrar, J.E., Orloff, S.P., Bahowick, S.M. (1996)

  7. AFV CoverSheet

    Office of Scientific and Technical Information (OSTI)

    0029 (Accepted Manuscript) The global context of the 14 November 2012 storm event Dixon, P. MacDonald, E. A. Funsten, Herbert O. Glocer, H. O. Kletzing, C. Larsen, Brian Arthur Reeves, Geoffrey D. Skoug, Ruth M. Spence, H. E. Thomsen, M. F. Provided by the author(s) and the Los Alamos National Laboratory (2015-07-13). To be published in: Journal of Geophysical Research: Space Physics, Vol.120, iss.3, p.1939-1956, MAR 2015. DOI to publisher's version: 10.1002/2014JA020826 Permalink to record:

  8. Online Abstracts and Reports

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

    Wind Energy/Resources/Wind Energy Publications/Online Abstracts and Reports - Online Abstracts and ReportsTara Camacho-Lopez2015-05-14T14:49:39+00:00 Active Aero Blade Load Control Design [Report] (2771KB PDF) "SMART Wind Turbine Rotor: Data Analysis and Conclusions" J.C. Berg, M. F. Barone, N. C. Yoder January 2014 [intlink id="2916" type="page"] Back to Topic Selection[/intlink] [intlink id="3057" type="page" anchor="TOP"]Top of

  9. DOE/EIA-0202(92/1Q)

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

    1Q) 1992 1 QUARTER SHORT-TERM ENERGY OUTLOOK QUARTERLY PROJECTIONS ENERGY INFORMATION ADMINISTRATION February 1992 This publication and other Energy Information Administration (EIA) publications may be pur chased from the Superintendent of Documents, U.S. Government Printing Office. All telephone orders should be directed to: U.S. Government Printing Office Farragut Bookstore 1510 H Street N.W. Washington, DC 20005 (202) 653-7697 FAX (202) 376-5055 9 a.m. to 5 p.m., eastern time, M-F

  10. Inverse Design of Mn-based ternary p-type wide-gap oxides

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

    ZnO is an important prototypical wide-gap oxide semiconductor. The discrepancy between band- structure theory and ARPES is removed by a correction for the Zn-d band energy in GW calculations. Significance and Impact The present approach improves the capability for property prediction and design of energy materials. Benchmarking Band-Structure Calculations Against Angular-Resolved Photoemission Spectroscopy (ARPES) for ZnO L.Y. Lim, S. Lany, Y.J. Chang, E. Rotenberg, A. Zunger, M.F. Toney,

  11. Mr. John Kieling, Acting Chief Hazardous Waste Bureau

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

    P. O. Box 3090 Carlsbad, New Mexico 88221 JUN 2 6 2012 New Mexico Environment Department 2905 E. Rodeo Park Dr. Bldg. 1 Santa Fe, New Mexico 87505-6303 Subject: Annual Proposed Acceptable Knowledge Sufficiency Determination List Reference: DOE Memorandum CBFO:OESH:GTB:ANC:11 :0781 :UFC 5822.00 from E.J. Ziemianski and M.F. Sharif to Mr. John Kieling, dated June 22,2011, Subject: Annual Proposed Acceptable Knowledge Sufficiency Determination List Dear Mr. Kieling: Pursuant to Permit Attachment C,

  12. Obsolete

    Office of Environmental Management (EM)

    Obsolete 1 Effective Date: 10/10/13 WP 13-1 Revision 34 Nuclear Waste Partnership LLC Quality Assurance Program Description J. E. Hoff / 09/03/13 Manager, Quality Assurance Date T. Reynolds for M. F. Sharif / 09/30/13 NWP President & Project Manager Date D. S. Miehls / 10/09/13 Carlsbad Field Office Date Quality Assurance Director Obsolete 2 Quality Assurance Program Policy Statement Nuclear Waste Partnership LLC (NWP) is the United States Department of Energy's (DOE) performance-based

  13. 2012 Publications | Stanford Synchrotron Radiation Lightsource

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

    2 Publications Journal Papers L. A. Abriata, D. Alvarez-Paggi, G. N. Ledesma, N. J. Blackburn, A. J. Vila and D. H. Murgida, "Alternative Ground States Enable Pathway Switching in Biological Electron Transfer", Proc. Natl. Acad. Sci. USA 109, 17348 (2012) doi: 10.1073/pnas.1204251109 H. B. Akkerman, A. C. Chang, E. Verploegen, C. J. Bettinger, M. F. Toney and Z. Bao, "Fabrication of Organic Semiconductor Crystalline Thin Films and Crystals from Solution by Confined

  14. Eectronia

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

    Eectronia nIetl*c i na lSi*s) 0 ransienlt otrces =.ue to) .)I*sru ted Parsia Currents onl tie leR hit \ ocu es J.D. Kotulski, R.S. Coats, M.F. Pasik Electromalgnetic anHd Plalsmal Physics Anallysis DepalrtmenIt SanYdial Nationacl Lalboraltories Albuquerque, NM87185 USA Abstract- This papelr desclribes the electlromagnuetic anaalysis that has beena completed usinag the OPERA-3d product I;o charact;erize TT. ELECTROMAGNETIC MODELING the folrces ona the ITE1R shield modules as palrt of the

  15. I O O

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

    » ; * * " \ ) I O O l i n O A O U 3 N 3 9 6 6 L I M d v This publication and other Energy Information Administration (EIA) publications may be purchased from the Superintendent of Documents, U.S. Government Printing Office. Telephone orders may be directed to: Superintendent of Documents U.S. Government Printing Office Main Order Desk (202)512-1800 FAX: (202) 512-2250 8 a.m. to 4:30 p.m., eastern time, M-F All mail orders should be directed to: U.S. Government Printing Office P.O. Box

  16. Most Viewed Documents for National Defense: September 2014 | OSTI, US Dept

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

    of Energy, Office of Scientific and Technical Information for National Defense: September 2014 SMART BRIDGE: A tool for estimating the military load classification of bridges using varying levels of information Van Groningen, C.N.; Paddock, R.A. (1997) 47 Comments on TNT Equivalence Cooper, P.W. (1994) 31 LLNL small-scale drop-hammer impact sensitivity test Simpson, L.R.; Foltz, M.F. (1995) 29 A survey of combustible metals, thermites, and intermetallics for pyrotechnic applications Fischer,

  17. Mr. James Bearzi, Chief Hazardous Waste Bureau

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

    8, 2010 New Mexico Environment Department 2905 E. Rodeo Park Dr. Bldg . 1 Santa Fe, New Mexico 87505-6303 Subject: Certification by a New Mexico Registered Professional Engineer in Support of TRUPACT-III References: United States Department Of Energy letter CBFO:OESH :GTB:MAG:11- 0702:UFC 5487.00 from Edward Ziemianski and M. F. Sharif to James Bearzi, dated January 10, 2011, subject: Notification of Planned Change to the Permitted Facility to Support TRUPACT-III United States Department Of

  18. Mr. John E. Kieling, Chief Hazardous Waste Bureau

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

    MAR 1 4 2014 New Mexico Environment Department 2905 Rodeo Park Drive East, Building 1 Santa Fe, NM 87508-6303 Subject: Notification of the Use of Surge Storage in the Waste Handling Building Reference: DOE Memorandum CBFO:OESH:GB:MN:14-1427;UFC:5487 from Mr. Jose R. Franco and Mr. M. F. Sharif to Mr. John Kieling, dated February 26, 2014, subject: Request for an Extension to the Storage Times for the Parking Area Unit and Waste Handling Building Dear Mr. Kieling: The purpose of this letter is to

  19. Microsoft PowerPoint - Elisabeth_Cohen_Cirrus_Evolution.ppt [Compatibility Mode]

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

    Cirrus Evolution from Convective Outflow during the Convective Outflow during the Tropical Warm Pool International Cloud Experiment (TWP-ICE) (TWP ICE) Lis Cohen * Jay Mace G M F h * S ll B Greg McFarquhar * Sally Benson Based on contributions from Brian Soden and Min Deng. Contact: Lis Cohen liscohen@met.utah.edu Cirrus Evolution Study The goal is to discover how tropical cirrus clouds are maintained and either evolve into persistent cloud entities or dissipate soon after leaving a convective

  20. UNITED STATES' GOV~BNMENT I T O

    Office of Legacy Management (LM)

    w-wnRonlau O& i&&mdiwn l UNITED STATES' GOV~BNMENT I T O : operations Division Piles DA=:Septemder i2, 1952 FROM 1 K. I,. Rnglund, Chief, Health Physics &Biology Branch SUBJECTI WEXKLY REPORT - SFFEXEJER 10, 1952 JJC~ r m /f ;, . I. II. 'III. Trail ,The Neu York O ffice has informed us that approximate4 68,000 grams of platinum wererecovered,from spent i ! Trail Cat&y& undercBake~&~Co::contract. It is NYOO'si desire to hold'22,500 grams for anticipated Hanford's new

  1. NY-%-3 P

    Office of Legacy Management (LM)

    NY-%-3 P m F P F ?- P m ?- c m P P CII (I pl F F- 3?r -J-J-. _- /, i ;. / 0 Aerospace Report No. ATR-82 (796344-2 i Aq, is y !i,' Evaluation of the 1943Hto# 1946 ilid Liquid Effluent Discharge From the Linde Air Products Company Ceramics Plant December 198 I Prepared for Office of Operational Safety Assistant Secretary for Environmental Protection, Safety, and Emergency Preparedness U.S. DEPARTMENT OF ENERGY Prepared by Environment and Conservation Directorate Eastern Technical Division THE

  2. THE AEROSPACE CORPORATION

    Office of Legacy Management (LM)

    363, 955 L' Enfant Plaza. S. W.. Washiq on. DC. 2002~2174. Telephone: (202)' 4&&6OOU 7117-03.87.cdy.43 23 September 1987 CA CAlOL) Mr. Andrew Wallo, III, NE-23 Division of Facility E Site Decommissioning Projects U.S. Department of Energy Germantown, Maryland 20545 Dear Mr. Wallo: In/ . O-01 r~A.os ELIMINATION RECOMMENDATION -- COLLEGES AND UNIVERSITIES : M/f).0-oS k1 El.o3- The attached elimination reconuaendation was prepared in accordance' - with your suggestion during our meeting on

  3. TO:

    Office of Legacy Management (LM)

    lNTeROFr=lCe CORRE.sWNOCNCE ,=,m: F. Hoch A. W a llo C. Young 7016.83.maj.03 DATE: 29 July 1983 S"B,ECT: FARION M ILLSITE ACTIVITIES FROM: Mary Alice Jennison Enclosed is a summary of Marion M illsite activities and its connection with the AEC, together with a copy of information collected from Colorado Bureau of M ines Annual Report (1954-1959) and from the M inerals Yearbook (1956-1959). MAJ:sej . . SUMMARY OF MARION MILLSITE ACTIVITIES AND ITS CONNECTION WITH THE AEC In 1954, Wah Chang

  4. Fluorescence technique for on-line monitoring of state of hydrogen-producing microorganisms

    DOE Patents [OSTI]

    Seibert, Michael (Lakewood, CO); Makarova, Valeriya (Golden, CO); Tsygankov, Anatoly A. (Pushchino, RU); Rubin, Andrew B. (Moscow, RU)

    2007-06-12

    In situ fluorescence method to monitor state of sulfur-deprived algal culture's ability to produce H.sub.2 under sulfur depletion, comprising: a) providing sulfur-deprived algal culture; b) illuminating culture; c) measuring onset of H.sub.2 percentage in produced gas phase at multiple times to ascertain point immediately after anerobiosis to obtain H.sub.2 data as function of time; and d) determining any abrupt change in three in situ fluorescence parameters; i) increase in F.sub.t (steady-state level of chlorophyll fluorescence in light adapted cells); ii) decrease in F.sub.m', (maximal saturating light induced fluorescence level in light adapted cells); and iii) decrease in .DELTA.F/F.sub.m'=(F.sub.m'-F.sub.t)/F.sub.m' (calculated photochemical activity of photosystem II (PSII) signaling full reduction of plastoquinone pool between PSII and PSI, which indicates start of anaerobic conditions that induces synthesis of hydrogenase enzyme for subsequent H.sub.2 production that signal oxidation of plastoquinone pool asmain factor to regulate H.sub.2 under sulfur depletion.

  5. c ~ x W = = E O M O F = R U S J Q V M O

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

    l c c f ` b = l c = f k p m b ` q l o = d b k b o ^ i f d e o t l i n e ]h q K d o e K g o v e l q i f k b = ` l jm i ^ f k q p lffic e = o f = f n s p e c t o r = d e n e r ~ l N M M M = f n d e p e n d e n c e = ^ v e n u e = p t t~ s h i n g t o n I = a ` = O M R U R q e l e p h o n e W = = E O M O F = R U S J Q M T P q q o l l = c r e e W = E U M M F = = R Q N J N S O R c ~ x W = = E O M O F = R U S J Q V M O r K p K = a b m ^ o q jb k q = l c = b k b o d v

  6. Safety analysis report for the TRUPACT-II shipping package (condensed version). Volume 2, Rev. 14

    SciTech Connect (OSTI)

    1994-10-01

    This appendix determines the effective G values for payload shipping categories of contact handled transuranic (CH-TRU) waste materials, based on the radiolytic G values for waste materials that are discussed in detail in Appendix 3.6.8 of the Safety Analysis Report for the TRUPACT-II Shipping Package. The effective G values take into account self-absorption of alpha decay energy inside particulate contamination and the fraction of energy absorbed by nongas-generating materials. As described in Appendix 3.6.8, an effective G value, G{sub eff}, is defined by: G{sub eff} - {Sigma}{sub M} (F{sub M} x G{sub M}) F{sub M}-fraction of energy absorbed by material maximum G value for a material where the sum is over all materials present inside a waste container. The G value itself is determined primarily by the chemical properties of the material and its temperature. The value of F is determined primarily by the size of the particles containing the radionuclides, the distribution of radioactivity on the various materials present inside the waste container, and the stopping distance of alpha particles in air, in the waste materials, or in the waste packaging materials.

  7. Electrochromic window with high reflectivity modulation

    DOE Patents [OSTI]

    Goldner, Ronald B. (Lexington, MA); Gerouki, Alexandra (Medford, MA); Liu, Te-Yang (Arlington, MA); Goldner, Mark A. (Cambridge, MA); Haas, Terry E. (Southborough, MA)

    2000-01-01

    A multi-layered, active, thin film, solid-state electrochromic device having a high reflectivity in the near infrared in a colored state, a high reflectivity and transmissivity modulation when switching between colored and bleached states, a low absorptivity in the near infrared, and fast switching times, and methods for its manufacture and switching are provided. In one embodiment, a multi-layered device comprising a first indium tin oxide transparent electronic conductor, a transparent ion blocking layer, a tungsten oxide electrochromic anode, a lithium ion conducting-electrically resistive electrolyte, a complimentary lithium mixed metal oxide electrochromic cathode, a transparent ohmic contact layer, a second indium oxide transparent electronic conductor, and a silicon nitride encapsulant is provided. Through elimination of optional intermediate layers, simplified device designs are provided as alternative embodiments. Typical colored-state reflectivity of the multi-layered device is greater than 50% in the near infrared, bleached-state reflectivity is less than 40% in the visible, bleached-state transmissivity is greater than 60% in the near infrared and greater than 40% in the visible, and spectral absorbance is less than 50% in the range from 0.65-2.5 .mu.m.

  8. Comparison between a spectral and PDF model for turbulent reacting flows.

    SciTech Connect (OSTI)

    Vaithianathan, T.; Collins, L. R.; Ulitsky, M. S.

    2002-01-01

    This study compares the performance of a probability density function (PDF) model and a spectral model (known as the eddy damped quasi-normal Markovian or EDQNM model) for the case of two initially unmixed reactants undergoing a finite-rate bimolecular reaction. The two models were chosen because they involve complimentary treatments of the nonlinearities and mixing terms. That is, nonlinearities are exactly treated in the PDF and mixing is modeled, whereas the opposite is true for EDQNM. The predictions of the two models are compared to direct numerical simulations. The results show that the PDF model is capable of describing the mixing of the major species reasonably well, but fails to describe the correlations between the reactants and the products even qualitatively. This suggests that the mixing model in the PDF is adequate for describing mixing between major species, but is incapable of describing mixing of the more spatially segregated product species. The EDQNM model does a slightly better job of describing the mixing of reactant species and a much better job of describing mixing of the product species. Presumably the improvement is associated with the more accurate description of the interscale dynamics that are especially important for the segregated products. The implication is that a model that combines the strengths of the EDQNM for describing mixing and the PDF for describing the nonlinearities would yield the best of both worlds.

  9. Experimental evidence for the formation of CoFe{sub 2}C phase with colossal magnetocrystalline-anisotropy

    SciTech Connect (OSTI)

    El-Gendy, Ahmed A. E-mail: ecarpenter2@vcu.edu; Bertino, Massimo; Qian, Meichun; Khanna, Shiv N. E-mail: ecarpenter2@vcu.edu; Clifford, Dustin; Carpenter, Everett E. E-mail: ecarpenter2@vcu.edu

    2015-05-25

    Attainment of magnetic order in nanoparticles at room temperature is an issue of critical importance for many different technologies. For ordinary ferromagnetic materials, a reduction in size leads to decreased magnetic anisotropy and results in superparamagnetic relaxations. If, instead, anisotropy could be enhanced at reduced particle sizes, then it would be possible to attain stable magnetic order at room temperature. Herein, we provide experimental evidence substantiating the synthesis of a cobalt iron carbide phase (CoFe{sub 2}C) of nanoparticles. Structural characterization of the CoFe{sub 2}C carbide phase was performed by transmission electron microscopy, electron diffraction and energy electron spectroscopy. X-ray diffraction was also performed as a complimentary analysis. Magnetic characterization of the carbide phase revealed a blocking temperature, T{sub B}, of 790?K for particles with a domain size as small as 5??1?nm. The particles have magnetocrystalline anisotropy of 4.6??2 10{sup 6?}J/m{sup 3}, which is ten times larger than that of Co nanoparticles. Such colossal anisotropy leads to thermally stable long range magnetic order. Moreover, the thermal stability constant is much larger than that of the commonly used FePt nanoparticles. With thermal stability and colossal anisotropy, the CoFe{sub 2}C nanoparticles have huge potential for enhanced magnetic data storage devices.

  10. Rapid hydrogen gas generation using reactive thermal decomposition of uranium hydride.

    SciTech Connect (OSTI)

    Kanouff, Michael P.; Van Blarigan, Peter; Robinson, David B.; Shugard, Andrew D.; Gharagozloo, Patricia E.; Buffleben, George M.; James, Scott Carlton; Mills, Bernice E.

    2011-09-01

    Oxygen gas injection has been studied as one method for rapidly generating hydrogen gas from a uranium hydride storage system. Small scale reactors, 2.9 g UH{sub 3}, were used to study the process experimentally. Complimentary numerical simulations were used to better characterize and understand the strongly coupled chemical and thermal transport processes controlling hydrogen gas liberation. The results indicate that UH{sub 3} and O{sub 2} are sufficiently reactive to enable a well designed system to release gram quantities of hydrogen in {approx} 2 seconds over a broad temperature range. The major system-design challenge appears to be heat management. In addition to the oxidation tests, H/D isotope exchange experiments were performed. The rate limiting step in the overall gas-to-particle exchange process was found to be hydrogen diffusion in the {approx}0.5 {mu}m hydride particles. The experiments generated a set of high quality experimental data; from which effective intra-particle diffusion coefficients can be inferred.

  11. Omega-AB

    Energy Science and Technology Software Center (OSTI)

    2007-05-01

    A hierarchical, modular modeling environment for hybrid simulations of sequential-modular, systems dynamics, discrete-event, and agent-based paradigms Omega-AB models contain a hierarchically-defined module tree that specifies the execution logic for the simulation, and a multi-network graph that defines the environment within which the simulation occurs. Modules are the fundamental buildinig blocks of an Omega-AB model and can define anything from a basic mathematical operation to a complex behavioral response model. Modules rely on the "plug-in" conceptmore » which allows developers to build independent module libraries that are gathered, linked, and instantiated by the Omega-AB engine at run time. Inter-module communication occurs through two complimentary systems: pull-based "ports" for general computation patterns and push-based "plugs" for event processing. The simulation environment is an abstract graph of nodes and links. Agents (module sub-trees headed up by an Agent module) reside at nodes and relate to their neighbors through typed links. To facilitate the construction and visualization of complex, interacting networks with dramatically different structure, Omega-AB provides a system for organizing the nodes into hierarchica trees that describe "slices" of the overall network.« less

  12. EMPaSE: an Extensible Multi-Paradigm Simulation Environment

    Energy Science and Technology Software Center (OSTI)

    2010-08-05

    EMPaSE is a hierarchical, extensible, modular modeling environment for developing and running hybrid simulations of sequential-modular, systems dynamics, discrete-event, and agent-based paradigms. It contains two principle components: a multi-paradigm simulation engine and a graphical user interface. EMPaSE models are defined through a hierarchically-defined set of computational modules that define the simulation logic. Inter-module communication occurs through two complimentary systems: pull-based "ports" for general computation patterns and push-based "plugs" for event processing. Entities (i.e. agents) withinmore » the simulation operate within an abstract multi-network environment. The EMPaSE simulation engine is designed around a flexible plug-in architecture, allowing simulations to import computational modules, engine customizations, and interfaces to external applications from independent plug-in libraries. The EMPaSE GUI environment provides an environment for graphically constructing, executing, and debugging EMPaSE models. As with the simulation engine, the GUI is constructed on top of an extensible architecture that supports rapid customization of the user experience through external plug-in libraries.« less

  13. Scientists and artists: ""Hey! You got art in my science! You got science on my art

    SciTech Connect (OSTI)

    Elfman, Mary E; Hayes, Birchard P; Michel, Kelly D; Boyer, Brian D

    2010-01-01

    The pairing of science and art has proven to be a powerful combination since the Renaissance. The combination of these two seemingly disparate disciplines ensured that even complex scientific theories could be explored and effectively communicated to both the subject matter expert and the layman. In modern times, science and art have frequently been considered disjoint, with objectives, philosophies, and perspectives often in direct opposition to each other. However, given the technological advances in computer science and high fidelity 3-D graphics development tools, this marriage of art and science is once again logically complimentary. Art, in the form of computer graphics and animation created on supercomputers, has already proven to be a powerful tool for improving scientific research and providing insight into nuclear phenomena. This paper discusses the power of pairing artists with scientists and engineers in order to pursue the possibilities of a widely accessible lightweight, interactive approach. We will use a discussion of photo-realism versus stylization to illuminate the expected beneficial outcome of such collaborations and the societal advantages gained by a non-traditional pa11nering of these two fields.

  14. Technologies for Upgrading Light Water Reactor Outlet Temperature

    SciTech Connect (OSTI)

    Daniel S. Wendt; Piyush Sabharwall; Vivek Utgikar

    2013-07-01

    Nuclear energy could potentially be utilized in hybrid energy systems to produce synthetic fuels and feedstocks from indigenous carbon sources such as coal and biomass. First generation nuclear hybrid energy system (NHES) technology will most likely be based on conventional light water reactors (LWRs). However, these LWRs provide thermal energy at temperatures of approximately 300°C, while the desired temperatures for many chemical processes are much higher. In order to realize the benefits of nuclear hybrid energy systems with the current LWR reactor fleets, selection and development of a complimentary temperature upgrading technology is necessary. This paper provides an initial assessment of technologies that may be well suited toward LWR outlet temperature upgrading for powering elevated temperature industrial and chemical processes during periods of off-peak power demand. Chemical heat transformers (CHTs) are a technology with the potential to meet LWR temperature upgrading requirements for NHESs. CHTs utilize chemical heat of reaction to change the temperature at which selected heat sources supply or consume thermal energy. CHTs could directly utilize LWR heat output without intermediate mechanical or electrical power conversion operations and the associated thermodynamic losses. CHT thermal characteristics are determined by selection of the chemical working pair and operating conditions. This paper discusses the chemical working pairs applicable to LWR outlet temperature upgrading and the CHT operating conditions required for providing process heat in NHES applications.

  15. Base drive and overlap protection circuit

    DOE Patents [OSTI]

    Gritter, David J. (Southfield, MI)

    1983-01-01

    An inverter (34) which provides power to an A. C. machine (28) is controlled by a circuit (36) employing PWM control strategy whereby A. C. power is supplied to the machine at a preselectable frequency and preselectable voltage. This is accomplished by the technique of waveform notching in which the shapes of the notches are varied to determine the average energy content of the overall waveform. Through this arrangement, the operational efficiency of the A. C. machine is optimized. The control circuit includes a microcomputer and memory element which receive various parametric inputs and calculate optimized machine control data signals therefrom. The control data is asynchronously loaded into the inverter through an intermediate buffer (38). A base drive and overlap protection circuit is included to insure that both transistors of a complimentary pair are not conducting at the same time. In its preferred embodiment, the present invention is incorporated within an electric vehicle (10) employing a 144 VDC battery pack (32) and a three-phase induction motor (18).

  16. Differential white cell count by centrifugal microfluidics.

    SciTech Connect (OSTI)

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

    2010-07-01

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

  17. A Summary of Recent Experimental Research on Ion Energy and Charge States of Pulsed Vacuum Arcs

    SciTech Connect (OSTI)

    Oks, Efim M.; Yushkov, Georgy Yu.; Anders, Andre

    2008-06-16

    The paper reviews the results of vacuum arc experimental investigations made collaboratively by research groups from Berkeley and Tomsk over the last two years, i.e. since the last ISDEIV in 2006. Vacuum arc plasma of various metals was produced in pulses of a few hundred microseconds duration, and the research focussed on three topics: (i) the energy distribution functions for different ion charge states, (ii) the temporal development of the ion charge state distribution, and (iii) the evolution of the mean directed ion velocities during plasma expansion. A combined quadruple mass-to-charge and energy ana-lyzer (EQP by HIDEN Ltd) and a time-of-flight spectrometer were employed. Cross-checking data by those complimen-tary techniques helped to avoid possible pitfalls in interpre-tation. It was found that the ion energy distribution func-tions in the plasma were independent of the ion charge state, which implies that the energy distribution on a substrate are not equal to due to acceleration in the substrate's sheath. In pulsed arc mode, the individual ion charge states fractions showed changes leading to a decrease of the mean charge state toward a steady-state value. This decrease can be re-duced by lower arc current, higher pulse repetition rate and reduced length of the discharge gap. It was also found that the directed ion velocity slightly decreased as the plasma expanded into vacuum.

  18. Best Practices for Sustainable WInd Energy Development in the Great Lakes Region and Beyond

    SciTech Connect (OSTI)

    Great Lakes Commission; Victoria Pebbles; John Hummer; Celia Haven

    2011-07-19

    This document offers a menu of 18 different, yet complimentary preferred practices and policies. The best practices cover all phases of the wind energy development process - from the policies that allow for wind development, to the sustainable operation of a wind project, to the best practices for decommissioning a spent turbine - including applications for offshore wind. The practices include those that have been previously tested and proven effective, as well as new practices that were identified by experts in the field as needed for future wind developments. Each best practice includes information about the opportunities and challenges (pros and cons), and offers a case example that illustrates how that best practice is being utilized by a particular jurisdiction or wind project. The practices described in this publication were selected by a diverse group of interests from the Great Lakes Wind Collaborative that included environmental groups, industry, and federal, state and local government regulators. They were identified through a year long process that included a literature review, online survey and interviews with individuals from the public, private and non-profit sectors.

  19. Atmospheric Radiation Measurement (ARM) Data Plots and Figures

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

    ARM Program data is available in daily diagnostic plots that can be easily grouped into daily, weekly, monthly, and even yearly increments. By visualizing ARM data in thumbnail-sized data plots, users experience highly-browsable subsets of data available at the Data Archive including complimentary data products derived from data processed by ARM. These thumbnails allow users to quickly scan for a particular type of condition, like a clear day or a day with persistent cirrus. From a diagnostics perspective, the data plots assist in looking for missing data, for data exceeding a particular range, or for loading multiple variables (e.g., shortwave fluxes and precipitation), and to determine whether a certain science or data quality condition is associated with some other parameter (e.g., high wind or rain).[taken from http://www.arm.gov/data/data_plots.stm] Several interfaces and tools have been developed to make data plots easy to generate and manipulate. For example, the NCVWeb is an interactive NetCDF data plotting tool that ARM users can use to plot data as they order it or to plot regular standing data orders. It allows production of detailed tables, extraction of data, statistics output, comparison plotting, etc. without the need for separate visualization software. Users will be requested to create a password, but the data plots are free for viewing and downloading.

  20. Wireless Roadside Inspection Phase II Tennessee Commercial Mobile Radio Services Pilot Test Final Report

    SciTech Connect (OSTI)

    Franzese, Oscar; Lascurain, Mary Beth; Capps, Gary J; Siekmann, Adam

    2011-05-01

    The Federal Motor Carrier Safety Administration (FMCSA) Wireless Roadside Inspection (WRI) Program is researching the feasibility and value of electronically assessing truck and bus driver and vehicle safety at least 25 times more often than is possible using only roadside physical inspections. The WRI program is evaluating the potential benefits to both the motor carrier industry and to government. These potential benefits include reduction in accidents, fatalities and injuries on our highways and keeping safe and legal drivers and vehicles moving on the highways. WRI Pilot tests were conducted to prototype, test and demonstrate the feasibility and benefits of electronically collecting safety data message sets from in-service commercial vehicles and performing wireless roadside inspections using three different communication methods. This report summarizes the design, conduct and results of the Tennessee CMRS WRI Pilot Test. The purpose of this Pilot test was to demonstrate the implementation of commercial mobile radio services to electronically request and collect safety data message sets from a limited number of commercial vehicles operating in Tennessee. The results of this test have been used in conjunction with the results of the complimentary pilot tests to support an overall assessment of the feasibility and benefits of WRI in enhancing motor carrier safety (reduction in accidents) due to increased compliance (change in motor carrier and driver behavior) caused by conducting frequent safety inspections electronically, at highway speeds, without delay or need to divert into a weigh station

  1. Digitally Controlled High Availability Power Supply

    SciTech Connect (OSTI)

    MacNair, David; /SLAC

    2008-09-25

    This paper reports the design and test results on novel topology, high-efficiency, and low operating temperature, 1,320-watt power modules for high availability power supplies. The modules permit parallel operation for N+1 redundancy with hot swap capability. An embedded DSP provides intelligent start-up and shutdown, output regulation, general control and fault detection. PWM modules in the DSP drive the FET switches at 20 to 100 kHz. The DSP also ensures current sharing between modules, synchronized switching, and soft start up for hot swapping. The module voltage and current have dedicated ADCs (>200 kS/sec) to provide pulse-by-pulse output control. A Dual CAN bus interface provides for low cost redundant control paths. Over-rated module components provide high reliability and high efficiency at full load. Low on-resistance FETs replace conventional diodes in the buck regulator. Saturable inductors limit the FET reverse diode current during switching. The modules operate in a two-quadrant mode, allowing bipolar output from complimentary module groups. Controllable, low resistance FETs at the input and output provide fault isolation and allow module hot swapping.

  2. The {beta}{sup +} decay of {sup 37}K as a multi-faceted probe of fundamental physics

    SciTech Connect (OSTI)

    Melconian, D.; Mehlman, M.; Behling, R. S.; Behr, J. A.; Gorelov, A.; Jackson, K. P.; Kong, T.; Pearson, M. R.; Ashery, D.; Shidling, P.

    2011-06-28

    Precision {beta} decay experiments represent an important and complimentary approach to high-energy searches for physics outside the ''Standard Model'', our current understanding of fundamental particles and their interactions. The mirror decay of {sup 37}K provides an excellent probe with which to search for new physics. The ft value of this (as well as other T = 1/2 mirror transitions) can be used to provide a measurement of the value of the V{sub ud} element of the CKM mass-mixing matrix, complementing the value obtained from superallowed pure Fermi decays. In addition, the polarized angular distribution parameters are sensitive to a variety of possible new physics: the {beta} and {nu} asymmetries can be used to search for right-handed currents in the charged weak interaction, and their energy-dependences are sensitive to second-class currents forbidden in the Standard Model. Time-reversal symmetry can also be tested by a precision measurement of the triple-vector correlation between the initial nuclear spin and the momenta of the leptons. An overview of the variety of physics that can be probed using laser-cooled {sup 37}K and the techniques used to perform the precision measurements is presented.

  3. PNNL Strategic Goods Testbed: A Data Library for Illicit Nuclear Trafficking

    SciTech Connect (OSTI)

    Webster, Jennifer B.; Erikson, Luke E.; Toomey, Christopher M.; Lewis, Valerie A.

    2014-05-12

    Pacific Northwest National Laboratory (PNNL) has put significant effort into nonproliferation activities as an institution, both in terms of the classical nuclear material focused approach and in the examination of other strategic goods necessary to implement a nuclear program. To assist in these efforts, several projects in the Analysis in Motion (AIM) and Signature Discovery (SDI) Initiatives at PNNL are developing machine learning methodology for human-computer interaction in real time environments to assist analysts in this domain. All of these technical projects require access to data – whether it is in terms of detector data, shipping records, financial information, company relations, or other communications. The first question that mathematical and computational researchers come up with when asked to build analyst assist or automated tools is “What does the data look like? ” They become frustrated when basic questions like this can not be easily answered and this can have the effect of pushing researchers away from the nuclear trafficking domain, especially in strategic commodity and export control areas where data sets can not easily be generated through standard experimental techniques. For small projects that are building a proof of concept for their methodology, obtaining this data can be arduous and expensive. To relieve the burden of data collection from these projects and grow a lab-wide capability, the Strategic Goods Testbed Team has taken over data collection and placed subscriptions and access to flat data files in a centralized location so that all projects can benefit from these items. We have collected shipping data in the form of PIERS records, judicial information about export control cases, NAC data on the nuclear fuel industry, and financial data from Dun and Bradstreet and our data sets are continuing to expand. With a single access agreement, researchers in data-mining and other fields can utilize all of the records that have been downloaded, make requests through subscription services, and interact with other researchers through our interface. Our testbed team provides more than a simply static repository by working with researchers to refine their data needs and insure data quality as well as quantity. We are currently working with laboratory and initiative specific management to examine effective ways for continuing data growth and sustainability.

  4. Title list of documents made publicly available, March 1--31, 1995: Volume 17, No. 3

    SciTech Connect (OSTI)

    1995-05-01

    The Title List of Documents Made Publicly Available is a monthly publication. It contains descriptions of the information received and generated by the US Nuclear Regulatory Commission (NRC). This information includes (1) docketed material associated with civilian nuclear power plants and other uses of radioactive materials and (2) nondocketed material received and generated by NRC pertinent to its role as a regulatory agency. As used here, docketed does not refer to Court dockets; it refers to the system by which NRC maintains its regulatory records. This series of documents is indexed by a Personal Author Index, a Corporate Source Index, and a Report Number Index. The docketed information contained in the Title List includes the information formerly issued through the Department of Energy publication Power Reactor Docket Information, last published in January 1979. NRC documents that are publicly available may be examined without charge at the NRC Public Document Room (PDR). Duplicate copies may be obtained for a fee. Standing orders for certain categories of documents are also available. Clients may search for and order desired titles through the PDR computerized Bibliographic Retrieval System, which is accessible both at the PDR and remotely. The PDR is staffed by professional technical librarians, who provide reference assistance to users. See NOTES at the end of the preface for information about reaching the PDR. Microfiche of the docketed information listed in the Title List is available for sale on a subscription basis from the National Technical Information Service (NTIS).

  5. Bibliography of information sources on East Asian energy

    SciTech Connect (OSTI)

    Salosis, J.

    1982-11-01

    The first section of this bibliography is a subject index by title to sources of information on East Asian energy. The countries considered were: Brunei, the PRC, Taiwan, Hong Kong, Indonesia, Japan, the Koreas, Malaysia, the Philippines, Singapore, Thailand and Vietnam. If the geographic coverage by any source is restricted to a particular country and was not indicated by the title, a country abbreviation in parentheses was added. Titles that include the term data base are computerized. The second section contains the Title Index which lists each printed publication alphabetically with frequency of publication and the US$ price for a yearly air mail subscription. The publisher or distribution office is listed below the title. The Data Base Index lists computerized sources with the author and the vendor providing either online access or tapes. No prices have been quoted in this section because of the wide range of methods in use and the impossibility of running benchmarks for this study. The Address Index lists the publishers, data base authors and vendors alphabetically.

  6. Techno-Economic Analysis of BEVs with Fast Charging Infrastructure: Preprint

    SciTech Connect (OSTI)

    Neubauer, J.; Pesaran, A.

    2014-08-01

    Battery electric vehicles (BEVs) offer the potential to reduce both oil imports and greenhouse gas emissions, but high upfront costs, battery-limited vehicle range, and concern over high battery replacement costs may discourage many potential purchasers. One proposed solution is to employ a subscription model under which a service provider assumes ownership of the battery while providing access to vast fast charging infrastructure. Thus, high upfront and subsequent battery replacement costs are replaced by a predictable monthly fee, and battery-limited range is replaced by a larger infrastructure-limited range. Assessing the costs and benefits of such a proposal are complicated by many factors, including customer drive patterns, the amount of required infrastructure, and battery life. Herein the National Renewable Energy Laboratory applies its Battery Ownership Model to address these challenges and compare the economics and utility of a BEV fast charging service plan to a traditional direct ownership option. In single vehicle households, where such a service is most valuable, we find that operating a BEV under a fast charge service plan can be more cost-effective than direct ownership of a BEV, but it is rarely more cost-effective than direct ownership of a conventional vehicle.

  7. Co-arrays in the Next Fortran Standard

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Reid, John; Numrich, Robert W.

    2007-01-01

    The WG5 committee, at its meeting in Delft, May 2005, decided to include co-arrays in the next Fortran Standard. A Fortran program containing co-arrays is interpreted as if it were replicated a fixed number of times and all copies were executed asynchronously. Each copy has its own set of data objects and is called an image. The array syntax of Fortran is extended with additional trailing subscripts in square brackets to give a clear and straightforward representation of access to data on other images. References without square brackets are to local data, so code that can run independently is uncluttered.more » Any occurrence of square brackets is a warning about communication between images. The additional syntax requires support in the compiler, but it has been designed to be easy to implement and to give the compiler scope both to apply its optimizations within each image and to optimize the communication between images. The extension includes execution control statements for synchronizing images and intrinsic procedures to return the number of images, to return the index of the current image, and to perform collective operations. The paper does not attempt to describe the full details of the feature as it now appears in the draft of the new standard. Instead, we describe a subset and demonstrate the use of this subset with examples.« less

  8. Increasing spin-flips and decreasing cost: Perturbative corrections for external singles to the complete active space spin flip model for low-lying excited states and strong correlation

    SciTech Connect (OSTI)

    Mayhall, Nicholas J.; Head-Gordon, Martin

    2014-07-28

    An approximation to the spin-flip extended configuration interaction singles method is developed using a second-order perturbation theory approach. In addition to providing significant efficiency advantages, the new framework is general for an arbitrary number of spin-flips, with the current implementation being applicable for up to around 4 spin-flips. Two new methods are introduced: one which is developed using non-degenerate perturbation theory, spin-flip complete active-space (SF-CAS(S)), and a second quasidegenerate perturbation theory method, SF-CAS(S){sub 1}. These two approaches take the SF-CAS wavefunction as the reference, and then perturbatively includes the effect of single excitations. For the quasidegenerate perturbation theory method, SF-CAS(S){sub 1}, the subscripted 1 in the acronym indicates that a truncated denominator expansion is used to obtain an energy-independent down-folded Hamiltonian. We also show how this can alternatively be formulated in terms of an extended Lagrangian, by introducing an orthonormality constraint on the first-order wavefunction. Several numerical examples are provided, which demonstrate the ability of SF-CAS(S) and SF-CAS(S){sub 1} to describe bond dissociations, singlet-triplet gaps of organic molecules, and exchange coupling parameters for binuclear transition metal complexes.

  9. PDSF User Meeting 05-06-14.pptx

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

    4 Lisa Gerhardt Utilization --- 2 --- Past Outages * 4/22/14: M endel r ack 1 2 u pgrade * 4/23/14 ( 11 a m - 1 2 p m): R olling r eboot o f l ogin nodes * 5/1/14 ( 24 h ours): M endel r ack 1 p ower Planned Outages * May 1 3 ( 8:00 a m - 5 :00 p m): F ull o utage. J obs w ill begin d raining a t 5 :00 p m t he d ay b efore Other Topics from PDSF Staff * Please u se p dsf.nersc.gov t o a ccess P DSF - Goes t hrough l oad b alancer - Old l ogin n odes a re u sed f or s ystem t es8ng a nd c an b e

  10. LIENHARD DOE Energy Eff Desalination Workshop Nov 2015.pptx

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

    W least = [( NG) 2 + ( NG) 3 ]- ( NG) 1 Recovery ratio [kg prod/kg feed] ˙ W least / ˙ m p [kJ/kg] NaCl KCl CaCl 2 MgCl 2 MgSO 4 ZnSO 4 Na 2 SO 4 S f = 35 ppt ˙ Q least = ˙ W least (1 - T c /T h ) r = ˙ m p / ˙ m f [%] ˙ Q least / ˙ m p [kJ/kg] T H = 50 ◦ C T H = 75 ◦ C T H = 100 ◦ C T H = 5800 K y p = 0 g/kg y p = 0.5 g/kg DESALINATION: AN ENERGY SOLUTION November 2-3, 2010 INTERNATIONAL DESALINATION ASSOCIATION Increased GOR * Design impact of higher GOR GOR 8.5 10 11.5 13

  11. EUROPEAN GEOTHERMAL DRILLING EXPERIENCE- PROBLEM AREAS AND CASE STUDIES

    Office of Scientific and Technical Information (OSTI)

    EUROPEAN GEOTHERMAL DRILLING EXPERIENCE- PROBLEM AREAS AND CASE STUDIES 0. Baron and P. Ungemach Commisslon of The European Communities Belglum ABSTRACT Geothermal d r i l l i n g h a s long been restricted i n Western Europe t o t h e sole d r y s t e a m f i e l d of L a r d e r e l l o i n I t a l y . I n t h e l a s t f e w y e a r s , a wider e x p e r i e n c e i s b u i l d i n g up a s a consequence of i n t e n s i f i e d explo- r a t i o n and development programs c a r r i e d o u t

  12. Flexible micro-supercapacitor based on in-situ assembled graphene on metal template at room temperature

    SciTech Connect (OSTI)

    Wu, ZK; Lin, ZY; Li, LY; Song, B; Moon, KS; Bai, SL; Wong, CP

    2014-11-01

    Graphene based micro-supercapacitors (MSCs) have been extensively studied in recent years; however, few of them report room temperature fabricating methods for flexible MSC. Here we developed a convenient procedure based on simultaneous self-assembly and reduction of graphene oxide (GO) on Cu/Au interdigit at room temperature. The as-produced MSC shows a specific areal capacitance of 0.95 mF cm(-2) and maintains 98.3% after 11,000 cycles of charge and discharge. Extremely small relaxation time constants of 1.9 ms in aqueous electrolyte and 4.8 ms in gelled electrolyte are achieved. Also the device shows great flexibility and retains 93.5% of the capacitance after 5000 times of bending and twisting tests. (C) 2014 Elsevier Ltd. All rights reserved.

  13. F

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

    M ^ F ° £ 8 -O 3 O ice e ortm hing o 3 - * from t Techn it of C n25,1 O 0 o 3" * 3 o * O 3 - * in 3 * » < i ' Foci Mic 3 r 3 * Price Price «* *» * £ *. I 9 I a o o I s * s I . | i » » . ! *a 3 I s 5 I. 3 hy xf I 1 * f * «** P sr I 1 sr a s ft o I I s I i s 1 q, o £* » ! * f ^ ^ MP 8 3 H. 8 S 5 8 *8 * o O * * ae o fcr a o *-3 I' This paper waa submitted for publication in the open literature at least 6 .months prior to the issuance date of this Micro- card. Since the U.S.A.E.C.

  14. Center for Inverse Design Highlight: Enabling Practical p-Type Doping in Oxide Spinels

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

    Practical p-Type Doping in Oxide Spinels The Center for Inverse Design has identified a class of metal oxide spinels-typified by Co 2 ZnO 4 -that have no intrinsic hole-killers and hence enable unopposed p-type doping in easily grown materials. Reference: J.D. Perkins, T.R. Paudel, A. Zakutayev, P.F. Ndione, P.A. Parilla, D.L. Young, S. Lany, D.S. Ginley, A. Zunger, N.H. Perry, Y. Tang, M. Grayson, T.O. Mason, J.S. Bettinger, Y. Z. Shi, and M.F. Toney, Phys. Rev. B, 10.1103/PhysRevB.84.205207

  15. GSA OFFICE O F GOVERNMENT-WIDE POLICY F E D E R A L R E A L P

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

    GSA OFFICE O F GOVERNMENT-WIDE POLICY F E D E R A L R E A L P R O P E R T Y C O U N C I L 2015 GUIDANCE FOR REAL PROPERTY INVENTORY REPORTING I S S U E D A T E : A P R I L 3 0 , 2 0 1 5 Federal Real Property Council 2015 GUIDANCE FOR REAL PROPERTY INVENTORY REPORTING April 30, 2015 2 T a b l e o f C o n t e n t s S U M M A R Y O F C H A N G E S F R O M F Y 2 0 1 4 T O F Y 2 0 1 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

  16. I M E M O R A N D U M T O

    Office of Legacy Management (LM)

    M E M O R A N D U M T O : FILE D A T E -------w----m-- F R O M :: /M1, L A U ------------e-e- S W J E C T : g/r'm n 'h a + ~ 'o n f l e c o w w n d a + t '~ ~ S ITE N A M E : /A C ios ?ith~fiC A L T E R N A T E ---w-------- ------------------_------- N A M E : ---------------------- CITY: 4 7 F u lfw S t N e b )/4rk -------------L------,,,,,_ S T A T E : N. 1: e - m -- O W N E R ( S ) .---me--- Past: ------------------------ Current: O w n e r contacted 0 yes a no; _-----------------------a- if

  17. Technical Review Report for the Model 9975-96 Package Safety Analysis Report for Packaging (S-SARP-G-00003, Revision 0, January 2008)

    SciTech Connect (OSTI)

    West, M

    2009-05-22

    This Technical Review Report (TRR) documents the review, performed by the Lawrence Livermore National Laboratory (LLNL) Staff, at the request of the U.S. Department of Energy (DOE), on the Safety Analysis Report for Packaging, Model 9975, Revision 0, dated January 2008 (S-SARP-G-00003, the SARP). The review includes an evaluation of the SARP, with respect to the requirements specified in 10 CFR 71, and in International Atomic Energy Agency (IAEA) Safety Standards Series No. TS-R-1. The Model 9975-96 Package is a 35-gallon drum package design that has evolved from a family of packages designed by DOE contractors at the Savannah River Site. Earlier package designs, i.e., the Model 9965, the Model 9966, the Model 9967, and the Model 9968 Packagings, were originally designed and certified in the early 1980s. In the 1990s, updated package designs that incorporated design features consistent with the then newer safety requirements were proposed. The updated package designs at the time were the Model 9972, the Model 9973, the Model 9974, and the Model 9975 Packagings, respectively. The Model 9975 Package was certified by the Packaging Certification Program, under the Office of Safety Management and Operations. The safety analysis of the Model 9975-85 Packaging is documented in the Safety Analysis Report for Packaging, Model 9975, B(M)F-85, Revision 0, dated December 2003. The Model 9975-85 Package is certified by DOE Certificate of Compliance (CoC) package identification number, USA/9975/B(M)F-85, for the transportation of Type B quantities of uranium metal/oxide, {sup 238}Pu heat sources, plutonium/uranium metals, plutonium/uranium oxides, plutonium composites, plutonium/tantalum composites, {sup 238}Pu oxide/beryllium metal.

  18. Binding of formyl peptides to Walker 256 carcinosarcoma cells and the chemotactic response of these cells

    SciTech Connect (OSTI)

    Rayner, D.C.; Orr, F.W.; Shiu, R.P.

    1985-05-01

    N-Formylmethionylleucylphenylalanine (fMLP) induces chemotaxis in leukocytes, the response being mediated by peptide binding to a receptor on the plasma membrane. In tumor cells, this peptide has been reported to induce cellular swelling and chemotaxis in vitro and to enhance the localization of circulating tumor cells in vivo. In the Boyden chamber, the authors evaluated the migratory responses of Walker carcinosarcoma 256 cells to varying concentrations of fMLP. Sigmoidal dose-response curves were obtained with the dose of chemotactic factor that elicits a half-maximal chemotactic response of 5.0 +/- 2.5 X 10(-8) M. Checkerboard analysis indicated that these responses were dependent upon a concentration gradient of fMLP with increases in migration of circa 2 to 2.5 times that of random movement. To examine the binding of fMLP, the tumor cells were incubated with 5 X 10(-9) M fML-(/sup 3/H)P in Hanks balanced salt solution. Specific binding (0.5 to 1% of total radioligand, to whole cells inhibited by 5 X 10(-6) M fMLP) approached equilibrium after 4 to 6 h at 4 degrees C and after 6 to 10 h at 22 degrees C. Autoradiographic studies demonstrated heterogeneous binding of the peptide by tumor cells and also showed its intracellular localization. In homogenates of Walker cells prepared in 0.1 M Tris HCl, pH 7.4, with 10 mM MgCl2 and bovine serum albumin (1 mg/ml), specific binding of approximately 0.5% of total fML-(/sup 3/H)P reached equilibrium after 60 min at 4 degrees C. In whole cells and homogenates, binding was reversible by addition of unlabeled fMLP.

  19. Experimental Study of Hypernuclei Electroproduction by High Precision Spectroscopy

    SciTech Connect (OSTI)

    Tomislav Seva

    2009-12-01

    Jlab experiment E01-011, carried out in 2005 in JLab Hall C, is the second generation of the hypernuclear spectroscopy experiments by the (e,e{prime}K{sup +}) reaction. The (e,e{prime}K{sup +}) reaction is complimentary to the associated production reactions (K{sup -},{pi}{sup -}), ({pi}{sup +},K{sup +}) since, due to a larger momentum transfer to a hyperon, excitations of both spin-non-flip and spin-flip states are possible. The experiment uses high quality and continuous primary electron beam to produce neutron rich hypernuclei on various targets by the electroproduction. The experimental setup consists of splitter magnet, high resolution kaon spectrometer (HKS) and electron spectrometer (Enge) implemented in new configuration, the so called 'Tilt Method'. Production data was taken on multiple targets: CH{sub 2}, {sup 6}Li, {sup 7}Li, {sup 9}Be, {sup 10}B, {sup 12}C and {sup 28}Si. In present study the analysis of CH{sub 2}, {sup 12}C and {sup 28}Si is presented. The elementary processes of p(e,e{prime}K{sup +}){Lambda}/{Sigma} from CH{sup 2} data were used for calibration of the spectrometer optics and kinematics. The hypernuclear spectra of {sup 12}{sub {Lambda}}B was obtained with ground state resolution of 0.47 {+-} 0.07 MeV (FWHM), the best ever achieved. Feasibility of the electroproduction reaction to study medium to heavy targets has been proven with the first high resolution beyond p-shell hypernuclear spectra from {sup 28}{sub {Lambda}}Al hypernuclei. The obtained results of the E01-011 experiment confirmed that hypernuclear spectroscopy by the (e,e{prime}K{sup +}) reaction is a very useful technique.

  20. Global Potential of Energy Efficiency Standards and Labeling Programs

    SciTech Connect (OSTI)

    McNeil, Michael A; McNeil, Michael A.; Letschert, Virginie; de la Rue du Can, Stephane

    2008-06-15

    This report estimates the global potential reductions in greenhouse gas emissions by 2030 for energy efficiency improvements associated with equipment (appliances, lighting, and HVAC) in buildings by means of energy efficiency standards and labels (EES&L). A consensus has emerged among the world's scientists and many corporate and political leaders regarding the need to address the threat of climate change through emissions mitigation and adaptation. A further consensus has emerged that a central component of these strategies must be focused around energy, which is the primary generator of greenhouse gas emissions. Two important questions result from this consensus: 'what kinds of policies encourage the appropriate transformation to energy efficiency' and 'how much impact can these policies have'? This report aims to contribute to the dialogue surrounding these issues by considering the potential impacts of a single policy type, applied on a global scale. The policy addressed in this report is Energy Efficient Standards and Labeling (EES&L) for energy-consuming equipment, which has now been implemented in over 60 countries. Mandatory energy performance standards are important because they contribute positively to a nation's economy and provide relative certainty about the outcome (both timing and magnitudes). Labels also contribute positively to a nation's economy and importantly increase the awareness of the energy-consuming public. Other policies not analyzed here (utility incentives, tax credits) are complimentary to standards and labels and also contribute in significant ways to reducing greenhouse gas emissions. We believe the analysis reported here to be the first systematic attempt to evaluate the potential of savings from EES&L for all countries and for such a large set of products. The goal of the analysis is to provide an assessment that is sufficiently well-quantified and accurate to allow comparison and integration with other strategies under consideration.

  1. Magnetism in Non-Traditional Materials

    SciTech Connect (OSTI)

    Menon, Madhu

    2013-09-17

    We performed a systematic microscopic investigation of two completely dissimilar materials (namely, ZnO and rhombohedral-C{sub 60} polymers) exhibiting ferromagnetism in the presence of defects, and showed that this new phenomena has a common origin and the mechanism responsible can be used as a powerful tool for inducing and tailoring magnetic features in systems which are not magnetic otherwise. Based on our findings we proposed a general recipe for developing ferromagnetism in new materials of great technological interest. Our results support the role of complimentary pairs of defects in inducing magnetism in otherwise non-magnetic materials belonging to two widely differing classes with no apparent correlation between them. In both classes, ferromagnetism is found to be enhanced when the two kinds of defects form structures (pathways) of alternating effective donor and acceptor crystal sites leading to the development of electron charge and spin density like waves. Using ab initio density functional theory calculations we predicted the existence of a new class of carbon cages formed via hybrid connection between planar graphene sheets and carbon nanotubes. The resulting novel structure has the appearance of ?nano-drum? and offers the exciting prospect of integrating useful device properties of both graphene as well as the nanotube into a single unit with tunable electronic properties. Creation of a hexagonal hole in the graphene portion of this structure results in significant magnetic moments for the edge atoms. The structure appears to be capable of sustaining ferrimagnetic state with the assistance of topological defects. The charge and spin distributions obtained in our calculations for the nano-drums are in striking contrast to those in planar graphene nanoribbons with a central hole. In this case, the central hole appears as the complimentary defect to those of the ribbon edges. Similar situation is found in case of the nano-drum in which the complimentary to the hole defects appear to be the pentagons along the curved surface of the drum. Charge oscillations found in the nano-drum are minimized in the nanoribbons. But more importantly, the hole edge atoms in the nano-drums retain significant magnetic moments; almost twice those of the corresponding ones in hydrogenated graphene nanoribbons (H-GNRs). These results suggest that the topological defects in the nano-drums may act like blocks to keep magnetic moments from ?leaking? out from the hole defects. This may have significant implications for the the use of nano-drums in magnetic storage technology where the ratio, magnetic-moment/weight, is of paramount importance in any futuristic device applications. One of the basic problems of the DFT/LSDA+U theory is the efficient evaluation of the U-term. With this in mind we proposed an alternative approach for its calculation which is based on the knowledge of the Hartree-Fock wave functions of the system under consideration. As a result, the proposed approach is closer to the basic definition of the DFT/LSDA+U scheme and its hybrid-DFT nature. According to our approach, the U value is obtained in a consistent and ab-initio way using the self-consistently calculated wave functions of the given system at the level of the HF approximation. Our method is applicable for systems which include more than one type of elements with localized d-orbitals. The method has been applied the case of the doped Zn(Co)O systems successfully. Currently, theories based on conventional superexchange or double-exchange interactions cannot explain long range magnetic order at concentrations below percolation threshold in dilute magnetic semiconductors. On the other hand, the codoping induced magnetism, which can justify magnetic interactions below percolation threshold, has eluded explanation. With this in mind, we proposed that defect-induced magnetism in codoped non-magnetic materials can be viewed within a molecular generalization of the atomic double-exchange and superexchange interactions applied to an arbitrary bipartite lattice host

  2. Data summary of municipal solid waste management alternatives. Volume 3, Appendix A: Mass burn technologies

    SciTech Connect (OSTI)

    1992-10-01

    This appendix on Mass Burn Technologies is the first in a series designed to identify, describe and assess the suitability of several currently or potentially available generic technologies for the management of municipal solid waste (MSW). These appendices, which cover eight core thermoconversion, bioconversion and recycling technologies, reflect public domain information gathered from many sources. Representative sources include: professional journal articles, conference proceedings, selected municipality solid waste management plans and subscription technology data bases. The information presented is intended to serve as background information that will facilitate the preparation of the technoeconomic and life cycle mass, energy and environmental analyses that are being developed for each of the technologies. Mass burn has been and continues to be the predominant technology in Europe for the management of MSW. In the United States, the majority of the existing waste-to-energy projects utilize this technology and nearly 90 percent of all currently planned facilities have selected mass burn systems. Mass burning generally refers to the direct feeding and combustion of municipal solid waste in a furnace without any significant waste preprocessing. The only materials typically removed from the waste stream prior to combustion are large bulky objects and potentially hazardous or undesirable wastes. The technology has evolved over the last 100 or so years from simple incineration to the most highly developed and commercially proven process available for both reducing the volume of MSW and for recovering energy in the forms of steam and electricity. In general, mass burn plants are considered to operate reliably with high availability.

  3. Data summary of municipal solid waste management alternatives

    SciTech Connect (OSTI)

    Not Available

    1992-10-01

    This appendix on Mass Burn Technologies is the first in a series designed to identify, describe and assess the suitability of several currently or potentially available generic technologies for the management of municipal solid waste (MSW). These appendices, which cover eight core thermoconversion, bioconversion and recycling technologies, reflect public domain information gathered from many sources. Representative sources include: professional journal articles, conference proceedings, selected municipality solid waste management plans and subscription technology data bases. The information presented is intended to serve as background information that will facilitate the preparation of the technoeconomic and life cycle mass, energy and environmental analyses that are being developed for each of the technologies. Mass burn has been and continues to be the predominant technology in Europe for the management of MSW. In the United States, the majority of the existing waste-to-energy projects utilize this technology and nearly 90 percent of all currently planned facilities have selected mass burn systems. Mass burning generally refers to the direct feeding and combustion of municipal solid waste in a furnace without any significant waste preprocessing. The only materials typically removed from the waste stream prior to combustion are large bulky objects and potentially hazardous or undesirable wastes. The technology has evolved over the last 100 or so years from simple incineration to the most highly developed and commercially proven process available for both reducing the volume of MSW and for recovering energy in the forms of steam and electricity. In general, mass burn plants are considered to operate reliably with high availability.

  4. Techno-Economic Analysis of BEV Service Providers Offering Battery Swapping Services

    SciTech Connect (OSTI)

    Neubauer, J. S.; Pesaran, A.

    2013-01-01

    Battery electric vehicles (BEVs) offer the potential to reduce both oil imports and greenhouse gas emissions, but high upfront costs, battery-limited vehicle range, and concern over high battery replacement costs may discourage potential buyers. A subscription model in which a service provider owns the battery and supplies access to battery swapping infrastructure could reduce upfront and replacement costs for batteries with a predictable monthly fee, while expanding BEV range. Assessing the costs and benefits of such a proposal are complicated by many factors, including customer drive patterns, the amount of required infrastructure, battery life, etc. The National Renewable Energy Laboratory has applied its Battery Ownership Model to compare the economics and utility of BEV battery swapping service plan options to more traditional direct ownership options. Our evaluation process followed four steps: (1) identifying drive patterns best suited to battery swapping service plans, (2) modeling service usage statistics for the selected drive patterns, (3) calculating the cost-of-service plan options, and (4) evaluating the economics of individual drivers under realistically priced service plans. A service plan option can be more cost-effective than direct ownership for drivers who wish to operate a BEV as their primary vehicle where alternative options for travel beyond the single-charge range are expensive, and a full-coverage-yet-cost-effective regional infrastructure network can be deployed. However, when assumed cost of gasoline, tax structure, and absence of purchase incentives are factored in, our calculations show the service plan BEV is rarely more cost-effective than direct ownership of a conventional vehicle.

  5. Techno-Economic Analysis of BEV Service Providers Offering Battery Swapping Services: Preprint

    SciTech Connect (OSTI)

    Neubauer, J.; Pesaran, A.

    2013-03-01

    Battery electric vehicles (BEVs) offer the potential to reduce both oil imports and greenhouse gas emissions, but high upfront costs, battery-limited vehicle range, and concern over high battery replacement costs may discourage potential buyers. A subscription model in which a service provider owns the battery and supplies access to battery swapping infrastructure could reduce upfront and replacement costs for batteries with a predictable monthly fee, while expanding BEV range. Assessing the costs and benefits of such a proposal are complicated by many factors, including customer drive patterns, the amount of required infrastructure, battery life, etc. The National Renewable Energy Laboratory has applied its Battery Ownership Model to compare the economics and utility of BEV battery swapping service plan options to more traditional direct ownership options. Our evaluation process followed four steps: (1) identifying drive patterns best suited to battery swapping service plans, (2) modeling service usage statistics for the selected drive patterns, (3) calculating the cost-of-service plan options, and (4) evaluating the economics of individual drivers under realistically priced service plans. A service plan option can be more cost-effective than direct ownership for drivers who wish to operate a BEV as their primary vehicle where alternative options for travel beyond the single-charge range are expensive, and a full-coverage-yet-cost-effective regional infrastructure network can be deployed. However, when assumed cost of gasoline, tax structure, and absence of purchase incentives are factored in, our calculations show the service plan BEV is rarely more cost-effective than direct ownership of a conventional vehicle.

  6. Registrations and vehicle miles of travel of light duty vehicles, 1985--1995

    SciTech Connect (OSTI)

    Hu, P.S.; Davis, S.C.; Schmoyer, R.L.

    1998-02-01

    To obtain vehicle registration data that consistently and accurately reflect the distinction between automobiles and light-duty trucks, Oak Ridge National Laboratory (ORNL) was asked by FHWA to estimate the current and historical vehicle registration numbers of automobiles and of other two-axle four-tire vehicles (i.e., light-duty trucks), and their associated travel. The term automobile is synonymous with passenger car. Passenger cars are defined as all sedans, coupes, and station wagons manufactured primarily for the purpose of carrying passengers. This includes taxicabs, rental cars, and ambulances and hearses on an automobile chassis. Light-duty trucks refer to all two-axle four-tire vehicles other than passenger cars. They include pickup trucks, panel trucks, delivery and passenger vans, and other vehicles such as campers, motor homes, ambulances on a truck chassis, hearses on a truck chassis, and carryalls. In this study, light-duty trucks include four major types: (1) pickup truck, (2) van, (3) sport utility vehicle, and (4) other 2-axle 4-tire truck. Specifically, this project re-estimates statistics that appeared in Tables MV-1 and MV-9 of the 1995 Highway Statistics. Given the complexity of the approach developed in this effort and the incompleteness and inconsistency of the state-submitted data, it is recommended that alternatives be considered by FHWA to obtain vehicle registration data. One alternative is the Polk`s NVPP data (via the US Department of Transportation`s annual subscription to Polk). The second alternative is to obtain raw registration files from individual states` Departments of Motor Vehicles and to decode individual VINs.

  7. Spectral singularity in confined PT symmetric optical potential

    SciTech Connect (OSTI)

    Sinha, Anjana; Roychoudhury, R.

    2013-11-15

    We present an analytical study for the scattering amplitudes (Reflection ?R? and Transmission ?T?), of the periodic PT symmetric optical potential V(x)=W{sub 0}cos{sup 2}x+iV{sub 0}sin2x confined within the region 0 ?x?L, embedded in a homogeneous medium having uniform potential W{sub 0}. The confining length L is considered to be some integral multiple of the period ?. We give some new and interesting results. Scattering is observed to be normal (?T?{sup 2}? 1, ?R?{sup 2}? 1) for V{sub 0}? 0.5, when the above potential can be mapped to a Hermitian potential by a similarity transformation. Beyond this point (V{sub 0} > 0.5) scattering is found to be anomalous (?T?{sup 2}, ?R?{sup 2} not necessarily ?1). Additionally, in this parameter regime of V{sub 0}, one observes infinite number of spectral singularities E{sub SS} at different values of V{sub 0}. Furthermore, for L= 2n?, the transition point V{sub 0}= 0.5 shows unidirectional invisibility with zero reflection when the beam is incident from the absorptive side (Im[V(x)] < 0) but with finite reflection when the beam is incident from the emissive side (Im[V(x)] > 0), transmission being identically unity in both cases. Finally, the scattering coefficients ?R?{sup 2} and ?T?{sup 2} always obey the generalized unitarity relation : ?T|{sup 2}?1|=?(|R{sub R}|{sup 2}|R{sub L}|{sup 2}), where subscripts R and L stand for right and left incidence, respectively.

  8. Collision-induced vibrational absorption in molecular hydrogens

    SciTech Connect (OSTI)

    Reddy, S.P.

    1993-05-01

    Collision induced absorption (CIA) spectra of the first overtone bands of H{sub 2}, D{sub 2}, and HD have been recorded for gas densities up to 500 amagat at 77-300 K. Analyses of these spectra reveal that (1) contrary to the observations in the fundamental bands, the contribution of the isotropic overlap interaction to the first overtone bands is negligible, (2) the squares of the matrix elements B{sub 32}(R)/ea{sub o} [= {lambda}{sub 32} exp(-(R-{sigma})/{rho}{sub 32}) + 3 (R/a{sub o}){sup -4}] where the subscripts 3 and 2 represent L and {lambda}, respectively, account for the absorption intensity of the bands and (3) the mixed term, 2,3 {lambda}{sub 32} exp (-(R-{sigma})/{rho}{sub 32}) <{vert_bar}Q{vert_bar}> <{alpha}> (R/a){sup -4}, gives a negative contribution. In the CIA spectra of H{sub 2} in its second overtone region recorded at 77, 201 and 298 K for gas densities up to 1000 amagat, a dip in the Q branch with characteristic Q{sub p} and Q{sub R} components has been observed. The analysis of the absorption profiles reveals, in addition to the previously known effects, the occurrence of the triple-collision transitions of H{sub 2} of the type Q{sub 1}(J) + Q{sub 1}(J) + Q{sub 1}(J) for the first time. From the profile analysis the absorption coefficient of these transitions is obtained.

  9. NbF{sub 5} and TaF{sub 5}: Assignment of {sup 19}F NMR resonances and chemical bond analysis from GIPAW calculations

    SciTech Connect (OSTI)

    Biswal, Mamata; Body, Monique; Legein, Christophe; Sadoc, Aymeric; Boucher, Florent

    2013-11-15

    The {sup 19}F isotropic chemical shifts (?{sub iso}) of two isomorphic compounds, NbF{sub 5} and TaF{sub 5}, which involve six nonequivalent fluorine sites, have been experimentally determined from the reconstruction of 1D {sup 19}F MAS NMR spectra. In parallel, the corresponding {sup 19}F chemical shielding tensors have been calculated using the GIPAW method for both experimental and DFT-optimized structures. Furthermore, the [M{sub 4}F{sub 20}] units of NbF{sub 5} and TaF{sub 5} being held together by van der Waals interactions, the relevance of Grimme corrections to the DFT optimization processes has been evaluated. However, the semi-empirical dispersion correction term introduced by such a method does not show any significant improvement. Nonetheless, a complete and convincing assignment of the {sup 19}F NMR lines of NbF{sub 5} and TaF{sub 5} is obtained, ensured by the linearity between experimental {sup 19}F ?{sub iso} values and calculated {sup 19}F isotropic chemical shielding ?{sub iso} values. The effects of the geometry optimizations have been carefully analyzed, confirming among other matters, the inaccuracy of the experimental structure of NbF{sub 5}. The relationships between the fluorine chemical shifts, the nature of the fluorine atoms (bridging or terminal), the position of the terminal ones (opposite or perpendicular to the bridging ones), the fluorine charges, the ionicity and the length of the MF bonds have been established. Additionally, for three of the {sup 19}F NMR lines of NbF{sub 5}, distorted multiplets, arising from {sup 1}J-coupling and residual dipolar coupling between the {sup 19}F and {sup 93}Nb nuclei, were simulated yielding to values of {sup 93}Nb{sup 19}F {sup 1}J-coupling for the corresponding fluorine sites. - Graphical abstract: The complete assignment of the {sup 19}F NMR lines of NbF{sub 5} and TaF{sub 5} allow establishing relationships between the {sup 19}F ?{sub iso} values, the nature of the fluorine atoms (bridging or terminal), the position of the terminal ones (opposite or perpendicular to the bridging ones), the fluorine charges, the ionicity and the length of the MF bonds. Display Omitted - Highlights: The {sup 19}F ?{sub iso} values of NbF{sub 5} and TaF{sub 5} have been determined. The {sup 19}F chemical shielding tensors have been calculated using the GIPAW method. A confident assignment of the {sup 19}F NMR lines of NbF{sub 5} and TaF{sub 5} is obtained. The relationships between the {sup 19}F?{sub iso} values and the MF bonds features are established.

  10. LHeC and eRHIC

    SciTech Connect (OSTI)

    Litvinenko,V.

    2009-07-16

    This paper is focused on possible designs and predicted performances of two proposed high-energy, high-luminosity electron-hadron colliders: eRHIC at Brookhaven National Laboratory (BNL, Upton, NY, USA) and LHeC at Organisation Europeenne pour la Recherche Nucleaire (CERN, Geneve, Switzerland). The Relativistic Heavy Ion Collider (RHIC, BNL) and the Large Hadron Collider (LHC, CERN) are designed as versatile colliders. RHIC is colliding various species of hadrons staring from polarized protons to un-polarized heavy ions (such as fully stripped Au (gold) ions) in various combinations: polarized p-p, d-Au, Cu-Cu, Au-Au. Maximum energy in RHIC is 250 GeV (per beam) for polarized protons and 100 GeV/n for heavy ions. There is planed expansion of the variety of species to include polarized He{sup 3} and unpolarized fully stripped U (uranium). LHeC is designed to collide both un-polarized protons with energy up to 7 TeV per beam and fully stripped Pb (lead) ions with energy up to 3 TeV/n. Both eRHIC and LHeC plan to add polarized electrons (or/and positrons) to the list of colliding species in these versatile hadron colliders. In eRHIC 10-20 GeV electrons would collide with hadrons circulating in RHIC. In LHeC 50-150 GeV polarized leptons will collided with LHC's hadron beams. Both colliders plan to operate in electron-proton (in RHIC case protons are polarized as well) and electron-ion collider modes. eRHIC and LHeC colliders are complimentary both in the energy reach and in their physics goals. I will discuss in this paper possible choices of the accelerator technology for the electron part of the collider for both eRHIC and LHeC, and will present predicted performance for the colliders. In addition, possible staging scenarios for these colliders will be discussed.

  11. Combined U-Th/He and 40Ar/39Ar geochronology of post-shield lavas from the Mauna Kea and Kohala volcanoes, Hawaii

    SciTech Connect (OSTI)

    Aciego, S.M.; Jourdan, F.; DePaolo, D.J.; Kennedy, B.M.; Renne, P.R.; Sims, K.W.W.

    2009-10-01

    Late Quaternary, post-shield lavas from the Mauna Kea and Kohala volcanoes on the Big Island of Hawaii have been dated using the {sup 40}Ar/{sup 39}Ar and U-Th/He methods. The objective of the study is to compare the recently demonstrated U-Th/He age method, which uses basaltic olivine phenocrysts, with {sup 40}Ar/{sup 39}Ar ages measured on groundmass from the same samples. As a corollary, the age data also increase the precision of the chronology of volcanism on the Big Island. For the U-Th/He ages, U, Th and He concentrations and isotopes were measured to account for U-series disequilibrium and initial He. Single analyses U-Th/He ages for Hamakua lavas from Mauna Kea are 87 {+-} 40 ka to 119 {+-} 23 ka (2{sigma} uncertainties), which are in general equal to or younger than {sup 40}Ar/{sup 39}Ar ages. Basalt from the Polulu sequence on Kohala gives a U-Th/He age of 354 {+-} 54 ka and a {sup 40}Ar/{sup 39}Ar age of 450 {+-} 40 ka. All of the U-Th/He ages, and all but one spurious {sup 40}Ar/{sup 39}Ar ages conform to the previously proposed stratigraphy and published {sup 14}C and K-Ar ages. The ages also compare favorably to U-Th whole rock-olivine ages calculated from {sup 238}U - {sup 230}Th disequilibria. The U-Th/He and {sup 40}Ar/{sup 39}Ar results agree best where there is a relatively large amount of radiogenic {sup 40}Ar (>10%), and where the {sup 40}Ar/{sup 36}Ar intercept calculated from the Ar isochron diagram is close to the atmospheric value. In two cases, it is not clear why U-Th/He and {sup 40}Ar/{sup 39}Ar ages do not agree within uncertainty. U-Th/He and {sup 40}Ar/{sup 39}Ar results diverge the most on a low-K transitional tholeiitic basalt with abundant olivine. For the most alkalic basalts with negligible olivine phenocrysts, U-Th/He ages were unattainable while {sup 40}Ar/{sup 39}Ar results provide good precision even on ages as low as 19 {+-} 4 ka. Hence, the strengths and weaknesses of the U-Th/He and {sup 40}Ar/{sup 39}Ar methods are complimentary for basalts with ages of order 100-500 ka.

  12. Campaign 2 Level 2 Milestone Review 2009: Milestone # 3132 Determine Sustainable TATB Source and Processing Options, and Potential Binder Options

    SciTech Connect (OSTI)

    Schwartz, A J

    2009-09-28

    A presentation was made to the Milestone review committee on September 18, 2009 that outlined the efforts making up the achievement of the Campaign 2, Level 2 Milestone No.3132. After the presentation and review of the collective work, the committee determined that the milestone was successfully completed. Highlights from this review are discussed here. A brief summary of the discussion points includes: (1) It was clear that this work represents a comprehensive collection of experimental, modeling, literature review, and analysis activities with a thorough attention to the details. The deliverables include 2 technical presentations and 5 written reports describing this work. (2) This is a joint LLNL/LANL milestone led by Campaign 2 with leveraging effort from other campaigns and activities at LLNL: (a) The contributing programs included Enhanced Surveillance Campaign (ESC) and Readiness Campaign. Key technical elements of this work were built on scientific advances from the Laboratory Directed Research and Development (LDRD) program. (b) Part of this work covers activities associated with the Enhanced Collaboration (EC) with the Atomic Weapons Establishment (AWE). (3) This Milestone work has supported a high-level Directed Stockpile Work (DSW) Joint DoD/DOE TATB Production Initiative. This is an example of the strong relevance of this Milestone research to current stockpile issues. A summary of the future direction in this research area includes: (1) The Ionic Liquid (IL) re-crystallization process has been demonstrated to improve the performance of recrystallized TATB molecule. However, lower thermal stability of the IL crystallized material (compared to conventional TATB) warrants further study to understand the source of this effect. (2) The compatibility issue needs to be addressed in upcoming work. One concern is how the new solvent and ionic liquid used in the formulation process might behave in the nuclear explosive assembly. Similarly, compatibility studies for the candidate binder must be performed. The future focus on R&D and additional scientific tools to address these areas is technically sound. (3) Currently there is no defined process for advancing this milestone's research and development successes into a production scale effort. The committee recognizes that other campaigns (Readiness Campaign, Enhanced Surveillance Campaign) will need to consider additional leverage resources for that scale-up effort. (4) We recommend that this effort continues to use modeling and experiment as complimentary paths to strengthen the scientific approach.

  13. Recovery Act: Oxy-Combustion Techology Development for Industrial-Scale Boiler Applications

    SciTech Connect (OSTI)

    Levasseur, Armand

    2014-04-30

    Alstom Power Inc. (Alstom), under U.S. DOE/NETL Cooperative Agreement No. DE-NT0005290, is conducting a development program to generate detailed technical information needed for application of oxy-combustion technology. The program is designed to provide the necessary information and understanding for the next step of large-scale commercial demonstration of oxy combustion in tangentially fired boilers and to accelerate the commercialization of this technology. The main project objectives include: • Design and develop an innovative oxyfuel system for existing tangentially-fired boiler units that minimizes overall capital investment and operating costs. • Evaluate performance of oxyfuel tangentially fired boiler systems in pilot scale tests at Alstom’s 15 MWth tangentially fired Boiler Simulation Facility (BSF). • Address technical gaps for the design of oxyfuel commercial utility boilers by focused testing and improvement of engineering and simulation tools. • Develop the design, performance and costs for a demonstration scale oxyfuel boiler and auxiliary systems. • Develop the design and costs for both industrial and utility commercial scale reference oxyfuel boilers and auxiliary systems that are optimized for overall plant performance and cost. • Define key design considerations and develop general guidelines for application of results to utility and different industrial applications. The project was initiated in October 2008 and the scope extended in 2010 under an ARRA award. The project completion date was April 30, 2014. Central to the project is 15 MWth testing in the BSF, which provided in-depth understanding of oxy-combustion under boiler conditions, detailed data for improvement of design tools, and key information for application to commercial scale oxy-fired boiler design. Eight comprehensive 15 MWth oxy-fired test campaigns were performed with different coals, providing detailed data on combustion, emissions, and thermal behavior over a matrix of fuels, oxyprocess variables and boiler design parameters. Significant improvement of CFD modeling tools and validation against 15 MWth experimental data has been completed. Oxy-boiler demonstration and large reference designs have been developed, supported with the information and knowledge gained from the 15 MWth testing. The results from the 15 MWth testing in the BSF and complimentary bench-scale testing are addressed in this volume (Volume II) of the final report. The results of the modeling efforts (Volume III) and the oxy boiler design efforts (Volume IV) are reported in separate volumes.

  14. DCE-MRI defined subvolumes of a brain metastatic lesion by principle component analysis and fuzzy-c-means clustering for response assessment of radiation therapy

    SciTech Connect (OSTI)

    Farjam, Reza; Tsien, Christina I.; Lawrence, Theodore S.; Cao, Yue; Department of Radiology, University of Michigan, 1500 East Medical Center Drive, Med Inn Building C478, Ann Arbor, Michigan 48109-5842; Department of Biomedical Engineering, University of Michigan, 2200 Bonisteel Boulevard, Ann Arbor, Michigan 48109-2099

    2014-01-15

    Purpose: To develop a pharmacokinetic modelfree framework to analyze the dynamic contrast enhanced magnetic resonance imaging (DCE-MRI) data for assessment of response of brain metastases to radiation therapy. Methods: Twenty patients with 45 analyzable brain metastases had MRI scans prior to whole brain radiation therapy (WBRT) and at the end of the 2-week therapy. The volumetric DCE images covering the whole brain were acquired on a 3T scanner with approximately 5 s temporal resolution and a total scan time of about 3 min. DCE curves from all voxels of the 45 brain metastases were normalized and then temporally aligned. A DCE matrix that is constructed from the aligned DCE curves of all voxels of the 45 lesions obtained prior to WBRT is processed by principal component analysis to generate the principal components (PCs). Then, the projection coefficient maps prior to and at the end of WBRT are created for each lesion. Next, a pattern recognition technique, based upon fuzzy-c-means clustering, is used to delineate the tumor subvolumes relating to the value of the significant projection coefficients. The relationship between changes in different tumor subvolumes and treatment response was evaluated to differentiate responsive from stable and progressive tumors. Performance of the PC-defined tumor subvolume was also evaluated by receiver operating characteristic (ROC) analysis in prediction of nonresponsive lesions and compared with physiological-defined tumor subvolumes. Results: The projection coefficient maps of the first three PCs contain almost all response-related information in DCE curves of brain metastases. The first projection coefficient, related to the area under DCE curves, is the major component to determine response while the third one has a complimentary role. In ROC analysis, the area under curve of 0.88 0.05 and 0.86 0.06 were achieved for the PC-defined and physiological-defined tumor subvolume in response assessment. Conclusions: The PC-defined subvolume of a brain metastasis could predict tumor response to therapy similar to the physiological-defined one, while the former is determined more rapidly for clinical decision-making support.

  15. High energy x-ray phase contrast CT using glancing-angle grating interferometers

    SciTech Connect (OSTI)

    Sarapata, A.; Stayman, J. W.; Siewerdsen, J. H.; Finkenthal, M.; Stutman, D.; Pfeiffer, F.

    2014-02-15

    Purpose: The authors present initial progress toward a clinically compatible x-ray phase contrast CT system, using glancing-angle x-ray grating interferometry to provide high contrast soft tissue images at estimated by computer simulation dose levels comparable to conventional absorption based CT. Methods: DPC-CT scans of a joint phantom and of soft tissues were performed in order to answer several important questions from a clinical setup point of view. A comparison between high and low fringe visibility systems is presented. The standard phase stepping method was compared with sliding window interlaced scanning. Using estimated dose values obtained with a Monte-Carlo code the authors studied the dependence of the phase image contrast on exposure time and dose. Results: Using a glancing angle interferometer at high x-ray energy (∼45 keV mean value) in combination with a conventional x-ray tube the authors achieved fringe visibility values of nearly 50%, never reported before. High fringe visibility is shown to be an indispensable parameter for a potential clinical scanner. Sliding window interlaced scanning proved to have higher SNRs and CNRs in a region of interest and to also be a crucial part of a low dose CT system. DPC-CT images of a soft tissue phantom at exposures in the range typical for absorption based CT of musculoskeletal extremities were obtained. Assuming a human knee as the CT target, good soft tissue phase contrast could be obtained at an estimated absorbed dose level around 8 mGy, similar to conventional CT. Conclusions: DPC-CT with glancing-angle interferometers provides improved soft tissue contrast over absorption CT even at clinically compatible dose levels (estimated by a Monte-Carlo computer simulation). Further steps in image processing, data reconstruction, and spectral matching could make the technique fully clinically compatible. Nevertheless, due to its increased scan time and complexity the technique should be thought of not as replacing, but as complimentary to conventional CT, to be used in specific applications.

  16. Mechanical Design of Hybrid Densitometer for Laboratory Applications

    SciTech Connect (OSTI)

    G. Walton; P. J. Polk; S. -T. Hsue

    1999-01-01

    The hybrid K-edge densitometry (KED) and x-ray fluorescence (XRF) densitometer is a unique nondestructive assay (NDA) technique to determine the concentrations of nuclear material (SNM) in solutions. The technique is ideally suited to assay the dissolver solutions as well as the uranium and plutonium product solutions from reprocessing It is an important instrument for safeguarding reprocessing; it is also a useful tool in analytical laboratories because of its capability of analyzing mixed solutions of SNM without chemical separation. Figure 1 shows the hardware of an hybrid system developed at Los Alamos. The hybrid densitometer employs a combination of two complimentary techniques: absorption KED and XRF. The KED technique measures the transmission of a tightly collimated photon beam through the sample; it is therefore quite insensitive to the radiation emitted by the sample material. Fission product level of {approximately}1 Ci/mL can be tolerated. The technique is insensitive to matrix variation. XRF measures the fluorescent x-rays from the same sample and can be used to determine the ratios of SNM. The technique can be applied to thorium, uranium, neptunium, plutonium, and americium concentration determination. The technique can also be applied to mixed solutions found in nuclear fuel cycle without separation: thorium-uranium, uranium-plutoniun neptunium-plutonium-americium. The design of the hybrid densitometer is shown schematically in Figs. 1 and 2; Fig. 1 shows the top view; Fig. 2 shows the side view. The heart of the design is the changer. The sample changer can accommodate a sample tray, which holds up to six samples. The samples can be a 2-cm path length cell, 4-cm path length cell, or a mixture of both sizes. The sample tray is controlled by a "Compumotor" which in turn is controlled by a computer. The absolute position of the sample cell can be reproduced to a standard deviation of 0.02 mm. The sample changer is housed inside square stainless steel tubing which is bolted onto the glove box. The sample cells can be observed during the movement or assay through a leaded glass viewport, as shown in Fig. 3.

  17. Integrated Genome-Based Studies of Shewanella Echophysiology

    SciTech Connect (OSTI)

    Margrethe H. Serres

    2012-06-29

    Shewanella oneidensis MR-1 is a motile, facultative {gamma}-Proteobacterium with remarkable respiratory versatility; it can utilize a range of organic and inorganic compounds as terminal electronacceptors for anaerobic metabolism. The ability to effectively reduce nitrate, S0, polyvalent metals andradionuclides has established MR-1 as an important model dissimilatory metal-reducing microorganism for genome-based investigations of biogeochemical transformation of metals and radionuclides that are of concern to the U.S. Department of Energy (DOE) sites nationwide. Metal-reducing bacteria such as Shewanella also have a highly developed capacity for extracellular transfer of respiratory electrons to solid phase Fe and Mn oxides as well as directly to anode surfaces in microbial fuel cells. More broadly, Shewanellae are recognized free-living microorganisms and members of microbial communities involved in the decomposition of organic matter and the cycling of elements in aquatic and sedimentary systems. To function and compete in environments that are subject to spatial and temporal environmental change, Shewanella must be able to sense and respond to such changes and therefore require relatively robust sensing and regulation systems. The overall goal of this project is to apply the tools of genomics, leveraging the availability of genome sequence for 18 additional strains of Shewanella, to better understand the ecophysiology and speciation of respiratory-versatile members of this important genus. To understand these systems we propose to use genome-based approaches to investigate Shewanella as a system of integrated networks; first describing key cellular subsystems - those involved in signal transduction, regulation, and metabolism - then building towards understanding the function of whole cells and, eventually, cells within populations. As a general approach, this project will employ complimentary "top-down" - bioinformatics-based genome functional predictions, high-throughput expression analyses, and functional genomics approaches to uncover key genes as well as metabolic and regulatory networks. The "bottom-up" component employs more traditional approaches including genetics, physiology and biochemistry to test or verify predictions. This information will ultimately be linked to analyses of signal transduction and transcriptional regulatory systems and used to develop a linked model that will contribute to understanding the ecophysiology of Shewanella in redox stratified environments. A central component of this effort is the development of a data and knowledge integration environment that will allow investigators to query across the individual research domains, link to analysis applications, visualize data in a cell systems context, and produce new knowledge, while minimizing the effort, time and complexity to participating institutions.

  18. DCE-MRI defined subvolumes of a brain metastatic lesion by principle component analysis and fuzzy-c-means clustering for response assessment of radiation therapy

    SciTech Connect (OSTI)

    Farjam, Reza; Tsien, Christina I.; Lawrence, Theodore S.; Cao, Yue; Department of Radiology, University of Michigan, 1500 East Medical Center Drive, Med Inn Building C478, Ann Arbor, Michigan 48109-5842; Department of Biomedical Engineering, University of Michigan, 2200 Bonisteel Boulevard, Ann Arbor, Michigan 48109-2099

    2014-01-15

    Purpose: To develop a pharmacokinetic modelfree framework to analyze the dynamic contrast enhanced magnetic resonance imaging (DCE-MRI) data for assessment of response of brain metastases to radiation therapy. Methods: Twenty patients with 45 analyzable brain metastases had MRI scans prior to whole brain radiation therapy (WBRT) and at the end of the 2-week therapy. The volumetric DCE images covering the whole brain were acquired on a 3T scanner with approximately 5 s temporal resolution and a total scan time of about 3 min. DCE curves from all voxels of the 45 brain metastases were normalized and then temporally aligned. A DCE matrix that is constructed from the aligned DCE curves of all voxels of the 45 lesions obtained prior to WBRT is processed by principal component analysis to generate the principal components (PCs). Then, the projection coefficient maps prior to and at the end of WBRT are created for each lesion. Next, a pattern recognition technique, based upon fuzzy-c-means clustering, is used to delineate the tumor subvolumes relating to the value of the significant projection coefficients. The relationship between changes in different tumor subvolumes and treatment response was evaluated to differentiate responsive from stable and progressive tumors. Performance of the PC-defined tumor subvolume was also evaluated by receiver operating characteristic (ROC) analysis in prediction of nonresponsive lesions and compared with physiological-defined tumor subvolumes. Results: The projection coefficient maps of the first three PCs contain almost all response-related information in DCE curves of brain metastases. The first projection coefficient, related to the area under DCE curves, is the major component to determine response while the third one has a complimentary role. In ROC analysis, the area under curve of 0.88 ± 0.05 and 0.86 ± 0.06 were achieved for the PC-defined and physiological-defined tumor subvolume in response assessment. Conclusions: The PC-defined subvolume of a brain metastasis could predict tumor response to therapy similar to the physiological-defined one, while the former is determined more rapidly for clinical decision-making support.

  19. Use of thermal analysis techniques (TG-DSC) for the characterization of diverse organic municipal waste streams to predict biological stability prior to land application

    SciTech Connect (OSTI)

    Fernandez, Jose M.; Plaza, Cesar; Polo, Alfredo; Plante, Alain F.

    2012-01-15

    Highlights: Black-Right-Pointing-Pointer Thermal analysis was used to assess stability and composition of organic matter in three diverse municipal waste streams. Black-Right-Pointing-Pointer Results were compared with C mineralization during 90-day incubation, FTIR and {sup 13}C NMR. Black-Right-Pointing-Pointer Thermal analysis reflected the differences between the organic wastes before and after the incubation. Black-Right-Pointing-Pointer The calculated energy density showed a strong correlation with cumulative respiration. Black-Right-Pointing-Pointer Conventional and thermal methods provide complimentary means of characterizing organic wastes. - Abstract: The use of organic municipal wastes as soil amendments is an increasing practice that can divert significant amounts of waste from landfill, and provides a potential source of nutrients and organic matter to ameliorate degraded soils. Due to the high heterogeneity of organic municipal waste streams, it is difficult to rapidly and cost-effectively establish their suitability as soil amendments using a single method. Thermal analysis has been proposed as an evolving technique to assess the stability and composition of the organic matter present in these wastes. In this study, three different organic municipal waste streams (i.e., a municipal waste compost (MC), a composted sewage sludge (CS) and a thermally dried sewage sludge (TS)) were characterized using conventional and thermal methods. The conventional methods used to test organic matter stability included laboratory incubation with measurement of respired C, and spectroscopic methods to characterize chemical composition. Carbon mineralization was measured during a 90-day incubation, and samples before and after incubation were analyzed by chemical (elemental analysis) and spectroscopic (infrared and nuclear magnetic resonance) methods. Results were compared with those obtained by thermogravimetry (TG) and differential scanning calorimetry (DSC) techniques. Total amounts of CO{sub 2} respired indicated that the organic matter in the TS was the least stable, while that in the CS was the most stable. This was confirmed by changes detected with the spectroscopic methods in the composition of the organic wastes due to C mineralization. Differences were especially pronounced for TS, which showed a remarkable loss of aliphatic and proteinaceous compounds during the incubation process. TG, and especially DSC analysis, clearly reflected these differences between the three organic wastes before and after the incubation. Furthermore, the calculated energy density, which represents the energy available per unit of organic matter, showed a strong correlation with cumulative respiration. Results obtained support the hypothesis of a potential link between the thermal and biological stability of the studied organic materials, and consequently the ability of thermal analysis to characterize the maturity of municipal organic wastes and composts.

  20. Pulsed-coil magnet systems for applying 10-30 Tesla Fields to cm-scale targets on Sandia's Z facility

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Rovang, Dean C.; Lamppa, Derek C.; Cuneo, Michael Edward; Owen, Albert; Mckenney, John; Johnson, Drew; Radovich, Shawn; Kaye, Ronald J.; McBride, Ryan D; Alexander, C. Scott; et al

    2014-12-04

    We have successfully integrated the capability to apply uniform, high magnetic fields (10–30 T) to high energy density experiments on the Z facility. This system uses an 8-mF, 15-kV capacitor bank to drive large-bore (5 cm diameter), high-inductance (1–3 mH) multi-turn, multi-layer electromagnets that slowly magnetize the conductive targets used on Z over several milliseconds (time to peak field of 2–7 ms). This system was commissioned in February 2013 and has been used successfully to magnetize more than 30 experiments up to 10 T that have produced exciting and surprising physics results. These experiments used split-magnet topologies to maintain diagnosticmore » lines of sight to the target. We then describe the design, integration, and operation of the pulsed coil system into the challenging and harsh environment of the Z Machine. We also describe our plans and designs for achieving fields up to 20 T with a reduced-gap split-magnet configuration, and up to 30 T with a solid magnet configuration in pursuit of the Magnetized Liner Inertial Fusion concept.« less

  1. A Block-Structured KIVA Program for Engines with Vertical or Canted Valves

    SciTech Connect (OSTI)

    2007-04-16

    KIVA-4 is the latest version of the series of KIVA codes. While KIVA-4 maintains the full generality of KIVA-3V, it adds the capability of computing with unstructured grids. Unstructured grids can be generated more easily than structured grids for complex geometries. The unstructured grids can be composed of a variety of elements including hexahedra, prisms, pyramids, and tetrahedra. However the numerical accuracy is less when the grid is not composed of hexahedra. KIVA-4 was developed to work with the many geometries accommodated with KIVA-3V which include 2D axisymmetric, 2D planar, 3D axisymmetric sector geometries, and full 3D geometries. KIVA-4 also features a multicomponent fuel evaporation algorithm. Many of the numerical algorithms in KIVA-3V do generalize nicely to unstructured meshes. However fundamental changes were needed in the solution of the pressure equation and the fluxing of momentum. In addition, KIVA-4 loops over cell faces to compute diffusion terms. More details can be found in Torres, D.J. and Trujillo, M.F., KIVA-4: An unstructured ALE code for compressible gas flow with sprays, Journal of Computational Physics, 2006, vol. 219, pp. 943-975. PACKAGE TESTED USING LINUX OPERATING SYSTEM. MAY BE MODIFIED TO RUN USING UNIX OR WINDOWS.

  2. Influence of fatigue on the nanohardness of NiTiCr-wires

    SciTech Connect (OSTI)

    Frotscher, M.; Young, M. L.; Bei, Hongbin; George, Easo P; Neuking, K.; Eggeler, G.

    2009-01-01

    Testing parameters, such as rotational speed and bending radius, have a strong influence on the fatigue life of pseudoelastic NiTi shape-memory alloys during bending rotation fatigue (BRF) experiments [M. F. X. Wagner, Int. J. Mat. Res. 97 (2006), p. 1687-1696. and M. Frotscher, et al., Thermomechanical processing, microstructure and bending rotation fatigue of ultra-fine grained NiTiCr-wires, Proceedings of the International Conference for Shape Memory and Superelastic Technologies (SMST 2007), Tsukuba, Japan, ASM International, (2008), p. 149-158.]. Previous studies showed a decrease in the fatigue life for smaller bending radius (i.e. higher equivalent strain) and larger rotational speed. This observation is associated with an increase of dislocation density, the stabilization of stressinduced martensite during cycling, and an increase of the plateau stresses due to self-heating. In the present study, we examine the influence of these fatigue parameters on the nanohardness and shape recovery of pseudoelastic NiTiCr shape-memory alloy wires by nanoindentation. We show that nanoindentation is a suitable method for the characterization of fatigue-related microstructural changes, which affect the mechanical properties.

  3. A 200-A, 500-Hz, triangle current-wave modulator and magnet used for particle beam rastering

    SciTech Connect (OSTI)

    Rose, C.R.; Shafer, R.E.

    1997-10-01

    This paper describes a simple 2D beam-rastering system to uniformly spread a 100-mA 6.7-MeV cw proton beam over a 50-cm by 50-cm beam stop. The basic circuit uses a 20-mF capacitor bank, a IGBT (insulated gate bipolar transistor) full-wave inverter, and a 1-mH ferrite dipole magnet to produce a {+-} 500-Gauss peak triangular-waveform deflection field at 500 Hz. A dc input voltage of 200 volts at 2.6 amps (520 watts) produces a 160-ampere peak-to-peak triangular current waveform in the ferrite magnet at 500 Hz. For dual-axis rastering, two ferrite dipoles are used, one at 500 Hz, and the other at 575 Hz, to produce a uniform 2D beam distribution at the beam stop. The paper will discuss the IGBT modulator and ferrite deflector in detail, including current and voltage waveforms, and the ferrite magnet B-dot (dB/dt) signal.

  4. 51979 hearing.public 030110.ptx

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

    U . S . D E P A R T M E N T O F E N E R G Y D R A F T T A N K C L O S U R E A N D W A S T E M A N A G E M E N T E N V I R O N M E N T A L I M P A C T S T A T E M E N T P U B L I C H E A R I N G M a r c h 1 , 2 0 1 0 6 : 0 0 P . M . T h e H i l t o n H o t e l 6 6 E a s t S i x t h A v e n u e E u g e n e , O r e g o n J a m e s P a r h a m , F a c i l i t a t o r P A N E L M E M B E R S : M s . M a r y B e t h B u r a n d t , U . S . D e p a r t m e n t o f E n e r g y , O f f i c e o f R i v e

  5. A minimal sub-Planckian axion inflation model with large tensor-to-scalar ratio

    SciTech Connect (OSTI)

    McDonald, John

    2015-01-01

    We present a minimal axion inflation model which can generate a large tensor-to-scalar ratio while remaining sub-Planckian. The modulus of a complex scalar field ? with a ?|?|{sup 4} potential couples directly to the gauge field of a strongly-coupled sector via a term of the form (|?|/M{sub Pl}){sup m}F F-tilde . This generates a minimum of the potential which is aperiodic in the phase. The resulting inflation model is equivalent to a ?{sup 4/(m+1)} chaotic inflation model. For the natural case of a leading-order portal-like interaction of the form ?{sup }?F F-tilde , the model is equivalent to a ?{sup 4/3} chaotic inflation model and predicts a tensor-to-scalar ratio r = 16/3N = 0.097 and a scalar spectral index n{sub s} = 1 - 5/3N = 0.970. The value of |?| remains sub-Planckian throughout the observable era of inflation, with |?| ?< 0.01M{sub Pl} for N ?< 60 when ? ? 1.

  6. First results on disruption mitigation by massive gas injection in Korea Superconducting Tokamak Advanced Research

    SciTech Connect (OSTI)

    Yu Yaowei; Kim, Young-Ok; Kim, Hak-Kun; Kim, Hong-Tack; Kim, Woong-Chae; Kim, Kwang-Pyo; Son, Soo-Hyun; Bang, Eun-Nam; Hong, Suk-Ho; Yoon, Si-Woo; Zhuang Huidong; Chen Zhongyong

    2012-12-15

    Massive gas injection (MGI) system was developed on Korea Superconducting Tokamak Advanced Research (KSTAR) in 2011 campaign for disruption studies. The MGI valve has a volume of 80 ml and maximum injection pressure of 50 bar, the diameter of valve orifice to vacuum vessel is 18.4 mm, the distance between MGI valve and plasma edge is {approx}3.4 m. The MGI power supply employs a large capacitor of 1 mF with the maximum voltage of 3 kV, the valve can be opened in less than 0.1 ms, and the amount of MGI can be controlled by the imposed voltage. During KSTAR 2011 campaign, MGI disruptions are carried out by triggering MGI during the flat top of circular and limiter discharges with plasma current 400 kA and magnetic field 2-3.5 T, deuterium injection pressure 39.7 bar, and imposed voltage 1.1-1.4 kV. The results show that MGI could mitigate the heat load and prevent runaway electrons with proper MGI amount, and MGI penetration is deeper under higher amount of MGI or lower magnetic field. However, plasma start-up is difficult after some of D{sub 2} MGI disruptions due to the high deuterium retention and consequently strong outgassing of deuterium in next shot, special effort should be made to get successful plasma start-up after deuterium MGI under the graphite first wall.

  7. Effect of chemical substitutions on photo-switching properties of 3-hydroxy-picolinic acid studied by ab initio methods

    SciTech Connect (OSTI)

    Rode, Micha? F. Sobolewski, Andrzej L.

    2014-02-28

    Effect of chemical substitutions to the molecular structure of 3-hydroxy-picolinic acid on photo-switching properties of the system operating on excited-state intramolecular double proton transfer (d-ESIPT) process [M. F. Rode and A. L. Sobolewski, Chem. Phys. 409, 41 (2012)] was studied with the aid of electronic structure theory methods. It was shown that simultaneous application of electron-donating and electron-withdrawing substitutions at certain positions of the molecular frame increases the height of the S{sub 0}-state tautomerization barrier (ensuring thermal stability of isomers) and facilitates a barrierless access to the S{sub 1}/S{sub 0} conical intersection from the Franck-Condon region of the S{sub 1} potential-energy surface. Results of study point to the conclusion that the most challenging issue for practical design of a fast molecular photoswitch based on d-ESIPT phenomenon are to ensure a selectivity of optical excitation of a given tautomeric form of the system.

  8. Multi-point, high-speed passive ion velocity distribution diagnostic on the Pegasus Toroidal Experiment

    SciTech Connect (OSTI)

    Burke, M. G.; Fonck, R. J.; Bongard, M. W.; Schlossberg, D. J.; Winz, G. R.

    2012-10-15

    A passive ion temperature polychromator has been deployed on Pegasus to study power balance and non-thermal ion distributions that arise during point source helicity injection. Spectra are recorded from a 1 m F/8.6 Czerny-Turner polychromator whose output is recorded by an intensified high-speed camera. The use of high orders allows for a dispersion of 0.02 A/mm in 4th order and a bandpass of 0.14 A ({approx}13 km/s) at 3131 A in 4th order with 100 {mu}m entrance slit. The instrument temperature of the spectrometer is 15 eV. Light from the output of an image intensifier in the spectrometer focal plane is coupled to a high-speed CMOS camera. The system can accommodate up to 20 spatial points recorded at 0.5 ms time resolution. During helicity injection, stochastic magnetic fields keep T{sub e} low ({approx}100 eV) and thus low ionization impurities penetrate to the core. Under these conditions, high core ion temperatures are measured (T{sub i} Almost-Equal-To 1.2 keV, T{sub e} Almost-Equal-To 0.1 keV) using spectral lines from carbon III, nitrogen III, and boron IV.

  9. An innovative high-power constant-current pulsed-arc power-supply for a high-density pulsed-arc-plasma ion-source using a LaB{sub 6}-filament

    SciTech Connect (OSTI)

    Ueno, A.; Oguri, H.; Ikegami, K.; Namekawa, Y.; Ohkoshi, K.; Tokuchi, A.

    2010-02-15

    An innovative high-power constant-current (CC) pulsed-arc (PA) power-supply (PS) indispensable for a high-density PA plasma ion-source using a lanthanum hexaboride (LaB{sub 6}) filament was devised by combining a constant-voltage (CV) PA-PS, which is composed of an insulated gate bipolar transistor (IGBT) switch, a CV direct-current (dc) PS and a 270 mF capacitor with a CC-PA-PS, which is composed of an IGBT-switch, a CC-dc-PS and a 400 {mu}H inductor, through the inductor. The hybrid-CC-PA-PS succeeded in producing a flat arc-pulse with a peak power of 56 kW (400 Ax140 V) and a duty factor of more than 1.5%(600 {mu}sx25 Hz) for Japan Proton Accelerator Research Complex (J-PARC) H{sup -} ion-source stably. It also succeeded in shortening the 99% rising-time of the arc-pulse-current to about 20 {mu}s and tilting up or down the arc-pulse-current arbitrarily and almost linearly by changing the setting voltage of its CV-dc-PS.

  10. A Block-Structured KIVA Program for Engines with Vertical or Canted Valves

    Energy Science and Technology Software Center (OSTI)

    2007-04-16

    KIVA-4 is the latest version of the series of KIVA codes. While KIVA-4 maintains the full generality of KIVA-3V, it adds the capability of computing with unstructured grids. Unstructured grids can be generated more easily than structured grids for complex geometries. The unstructured grids can be composed of a variety of elements including hexahedra, prisms, pyramids, and tetrahedra. However the numerical accuracy is less when the grid is not composed of hexahedra. KIVA-4 was developedmore » to work with the many geometries accommodated with KIVA-3V which include 2D axisymmetric, 2D planar, 3D axisymmetric sector geometries, and full 3D geometries. KIVA-4 also features a multicomponent fuel evaporation algorithm. Many of the numerical algorithms in KIVA-3V do generalize nicely to unstructured meshes. However fundamental changes were needed in the solution of the pressure equation and the fluxing of momentum. In addition, KIVA-4 loops over cell faces to compute diffusion terms. More details can be found in Torres, D.J. and Trujillo, M.F., KIVA-4: An unstructured ALE code for compressible gas flow with sprays, Journal of Computational Physics, 2006, vol. 219, pp. 943-975. PACKAGE TESTED USING LINUX OPERATING SYSTEM. MAY BE MODIFIED TO RUN USING UNIX OR WINDOWS.« less

  11. Jas

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

    Sh ort w av e Radiat iv e T rans f e r in t h e M ul t is cal e M ode l l ing Fram e w ork Jas on Col e 1 H ow ard Bark e r 2 M arat K h airout dinov 3 Dav id Randal l 4 1 Univ e rs it y of Brit is h Col um bia 2 M e t e orol ogical Se rv ice of Canada 3 St ony Brook Univ e rs it y 4 Col orado St at e Univ e rs it y 1. I nt roduct ion 3. Re s ul t s 2. Expe rim e nt Se t up CSRM Sys t e m f or At m os ph e ric M ode l l ing v e rs ion 6.6.5 (SAM v 6.6.5) * 2D w it h axis orie nt e d w e s t -e

  12. NREL Solar Radiation Research Laboratory (SRRL): Baseline Measurement System (BMS); Golden, Colorado (Data)

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

    Stoffel, T.; Andreas, A.

    The SRRL was established at the Solar Energy Research Institute (now NREL) in 1981 to provide continuous measurements of the solar resources, outdoor calibrations of pyranometers and pyrheliometers, and to characterize commercially available instrumentation. The SRRL is an outdoor laboratory located on South Table Mountain, a mesa providing excellent solar access throughout the year, overlooking Denver. Beginning with the basic measurements of global horizontal irradiance, direct normal irradiance and diffuse horizontal irradiance at 5-minute intervals, the SRRL Baseline Measurement System now produces more than 130 data elements at 1-min intervals that are available from the Measurement & Instrumentation Data Center Web site. Data sources include global horizontal, direct normal, diffuse horizontal (from shadowband and tracking disk), global on tilted surfaces, reflected solar irradiance, ultraviolet, infrared (upwelling and downwelling), photometric and spectral radiometers, sky imagery, and surface meteorological conditions (temperature, relative humidity, barometric pressure, precipitation, snow cover, wind speed and direction at multiple levels). Data quality control and assessment include daily instrument maintenance (M-F) with automated data quality control based on real-time examinations of redundant instrumentation and internal consistency checks using NREL's SERI-QC methodology. Operators are notified of equipment problems by automatic e-mail messages generated by the data acquisition and processing system. Radiometers are recalibrated at least annually with reference instruments traceable to the World Radiometric Reference (WRR).

  13. NREL Solar Radiation Research Laboratory (SRRL): Baseline Measurement System (BMS); Golden, Colorado (Data)

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

    Stoffel, T.; Andreas, A.

    1981-07-15

    The SRRL was established at the Solar Energy Research Institute (now NREL) in 1981 to provide continuous measurements of the solar resources, outdoor calibrations of pyranometers and pyrheliometers, and to characterize commercially available instrumentation. The SRRL is an outdoor laboratory located on South Table Mountain, a mesa providing excellent solar access throughout the year, overlooking Denver. Beginning with the basic measurements of global horizontal irradiance, direct normal irradiance and diffuse horizontal irradiance at 5-minute intervals, the SRRL Baseline Measurement System now produces more than 130 data elements at 1-min intervals that are available from the Measurement & Instrumentation Data Center Web site. Data sources include global horizontal, direct normal, diffuse horizontal (from shadowband and tracking disk), global on tilted surfaces, reflected solar irradiance, ultraviolet, infrared (upwelling and downwelling), photometric and spectral radiometers, sky imagery, and surface meteorological conditions (temperature, relative humidity, barometric pressure, precipitation, snow cover, wind speed and direction at multiple levels). Data quality control and assessment include daily instrument maintenance (M-F) with automated data quality control based on real-time examinations of redundant instrumentation and internal consistency checks using NREL's SERI-QC methodology. Operators are notified of equipment problems by automatic e-mail messages generated by the data acquisition and processing system. Radiometers are recalibrated at least annually with reference instruments traceable to the World Radiometric Reference (WRR).

  14. Pulsed-coil magnet systems for applying 10-30 Tesla Fields to cm-scale targets on Sandia's Z facility

    SciTech Connect (OSTI)

    Rovang, Dean C.; Lamppa, Derek C.; Cuneo, Michael Edward; Owen, Albert; Mckenney, John; Johnson, Drew; Radovich, Shawn; Kaye, Ronald J.; McBride, Ryan D; Alexander, C. Scott; Awe, Thomas James; Slutz, Stephen A.; Sefkow, Adam B; Haill, Thomas A.; Jones, Peter Andrew; Argo, Jeffrey W; Dalton, Devon; Robertson, Grafton Kincannon; Waisman, Eduardo Mario; Sinars, Daniel Brian; Meissner, Joel; Milhous, Mark; Nguyen, Doan; Mielke, Chuck

    2014-12-04

    We have successfully integrated the capability to apply uniform, high magnetic fields (1030 T) to high energy density experiments on the Z facility. This system uses an 8-mF, 15-kV capacitor bank to drive large-bore (5 cm diameter), high-inductance (13 mH) multi-turn, multi-layer electromagnets that slowly magnetize the conductive targets used on Z over several milliseconds (time to peak field of 27 ms). This system was commissioned in February 2013 and has been used successfully to magnetize more than 30 experiments up to 10 T that have produced exciting and surprising physics results. These experiments used split-magnet topologies to maintain diagnostic lines of sight to the target. We then describe the design, integration, and operation of the pulsed coil system into the challenging and harsh environment of the Z Machine. We also describe our plans and designs for achieving fields up to 20 T with a reduced-gap split-magnet configuration, and up to 30 T with a solid magnet configuration in pursuit of the Magnetized Liner Inertial Fusion concept.

  15. Support of US CLIVAR Project Office 2012

    SciTech Connect (OSTI)

    Cummings, Donna

    2013-11-21

    SUBJECT: CLOSEOUT OF AWARD NO DE-SC0008494 FINAL REPORT: SUPPORT OF US CLIVAR PROJECT OFFICE 2012 UNIVERSITY CORPORATION FOR ATMOSPHERIC RESEARCH Director of JOSS, supervised the U.S. CLIVAR Project Office Director and helped direct the officer to enhance the goals and objectives of the U.S. CLIVAR Project and budget. Financial Manager of JOSS, worked to complete proposals and monitor compliance with award requirements and funding limitations and ensure the U.S. CLIVAR Project Office complied with UCAR policies and procedures. Project Coordinator administered the funding for the U.S. CLIVAR Project Office and was responsible for coordinating special projects that required additional support from JOSS technical staff. These projects included activities such as website updates, technology upgrades, production of printed reports, and development of graphic elements like logos. Web Developer worked both on web development and graphic work and the work consisted of the following: Maintaining the site ? installing updates to Drupal CMS (Content Management System). Creating new templates for webpages and styling them with CSS and JavaScript/jQuery code. Fixing the styling on webpages that the content contributor/manager (Jenn Mays) created and has had trouble with. Creating new web forms for abstract uploading, subscriptions, and meeting registrations. Created 4 webpages for the ?ASP: Key Uncertainties in the Global Carbon-Cycle? meeting. Developed a document review form, instruction webpages, login redirect, dynamic table with form submissions for the US CLIVAR SSC Science Plan Document Review. This was open to the public from June 12, 2013 until July 10, 2013. During this time the user accounts had to be checked (daily) that were created by the public, to delete any spam ones. Graphics work: preparing images for general use on webpages, webpage banners, and for meeting name badges, creating a US CLIVAR letterhead, redesigning the US AMOC logo. System Administrator spent time working on the migration of the US CLIVAR site from the USGCRP office to UCAR here Boulder. This was done to increase the general speed of the site & to allow the web developer to work in it more efficiently. Main tasks were to Archive the old Site, create new development site for web developer, and move web address to new website when web developer was finished with development. There are no patients or equipment related to this proposals

  16. Sustaining the National Geothermal Data System: Considerations for a System Wide Approach and Node Maintenance, Geothermal Resources Council 37th Annual Meeting, Las Vegas, Nevada, September 29-October 2, 2013

    SciTech Connect (OSTI)

    Allison, Lee; Chickering, Cathy; Anderson, Arlene; Richard, Stephen M.

    2013-09-23

    Since the 2009 American Recovery and Reinvestment Act the U.S. Department of Energys Geothermal Technologies Office has funded $33.7 million for multiple data digitization and aggregation projects focused on making vast amounts of geothermal relevant data available to industry for advancing geothermal exploration. These projects are collectively part of the National Geothermal Data System (NGDS), a distributed, networked system for maintaining, sharing, and accessing data in an effort to lower the levelized cost of electricity (LCOE). Determining who owns and who maintains the NGDS and its data nodes (repositories in the distributed system) is yet to be determined. However, the invest- ment in building and populating the NGDS has been substantial, both in terms of dollars and time; it is critical that this investment be protected by ensuring sustainability of the data, the software and systems, and the accessibility of the data. Only then, will the benefits be fully realized. To keep this operational system sustainable will require four core elements: continued serving of data and applications; maintenance of system operations; a governance structure; and an effective business model. Each of these presents a number of challenges. Data being added to the NGDS are not strictly geothermal but data considered relevant to geothermal exploration and develop- ment, including vast amounts of oil and gas and groundwater wells, among other data. These are relevant to a broader base of users. By diversifying the client base to other users and other fields, the cost of maintaining core infrastructure can be spread across an array of stakeholders and clients. It is presumed that NGDS will continue to provide free and open access to its data resources. The next-phase NGDS operation should be structured to eventually pursue revenue streams to help off-set sustainability expenses as necessary and appropriate, potentially including income from: grants and contracts (agencies, foundations, pri- vate sector), membership, fees for services (consulting, training, customization, app development), repository services (data, services, apps, models, documents, multimedia), advertisements, fees for premier services or applications, subscriptions to value added services, licenses, contributions and donations, endow- ments, and sponsorships.

  17. Commercial Off-the-Shelf (COTS) Components and Enterprise Component Information System (eCIS)

    SciTech Connect (OSTI)

    John Minihan; Ed Schmidt; Greg Enserro; Melissa Thompson

    2008-06-30

    The purpose of the project was to develop the processes for using commercial off-the-shelf (COTS) parts for WR production and to put in place a system for implementing the data management tools required to disseminate, store, track procurement, and qualify vendors. Much of the effort was devoted to determining if the use of COTS parts was possible. A basic question: How does the Nuclear Weapons Complex (NWC) begin to use COTS in the weapon Stockpile Life Extension Programs with high reliability, affordability, while managing risk at acceptable levels? In FY00, it was determined that a certain weapon refurbishment program could not be accomplished without the use of COTS components. The elements driving the use of COTS components included decreased cost, greater availability, and shorter delivery time. Key factors that required implementation included identifying the best suppliers and components, defining life cycles and predictions of obsolescence, testing the feasibility of using COTS components with a test contractor to ensure capability, as well as quality and reliability, and implementing the data management tools required to disseminate, store, track procurement, and qualify vendors. The primary effort of this project then was to concentrate on the risks involved in the use of COTS and address the issues of part and vendor selection, procurement and acceptance processes, and qualification of the parts via part and sample testing. The Enterprise Component Information System (eCIS) was used to manage the information generated by the COTS process. eCIS is a common interface for both the design and production of NWC components and systems integrating information between SNL National Laboratory (SNL) and the Kansas City Plant (KCP). The implementation of COTS components utilizes eCIS from part selection through qualification release. All part related data is linked across an unclassified network for access by both SNL and KCP personnel. The system includes not only NWC part information but also includes technical reference data for over 25 Million electronic and electromechanical commercial and military parts via a data subscription. With the capabilities added to the system through this project, eCIS provides decision support, parts list/BOM analysis, editing, tracking, workflows, reporting, and history/legacy information integrating manufacturer reference, company technical, company business, and design data.

  18. Characteristics of Cu stabilized Nb3Al strands with low Cu ratio

    SciTech Connect (OSTI)

    Kikuchi, A.; Yamada, R.; Barzi, E.; Kobayashi, M.; Lamm, M.; Nakagawa, K.; Sasaki, K.; Takeuchi, T.; Turrioni, D.; Zlobin, A.V.; /NIMC, Tsukuba /Fermilab /Hitachi, Tsuchiura Works /KEK, Tsukuba

    2008-12-01

    Characteristics of recently developed F4-Nb{sub 3}Al strand with low Cu ratio are described. The overall J{sub c} of the Nb{sub 3}Al strand could be easily increased by decreasing of the Cu ratio. Although the quench of a pulse-like voltage generation is usually observed in superconducting unstable conductor, the F4 strand with a low Cu ratio of 0.61 exhibited an ordinary critical transition of gradual voltage generation. The F4 strand does not have magnetic instabilities at 4.2 K because of the tantalum interfilament matrix. The overall J{sub c} of the F4 strand achieved was 80-85% of the RRP strand. In the large mechanical stress above 100 MPa, the overall J{sub c} of the F4 strand might be comparable to that of high J{sub c} RRP-Nb{sub 3}Sn strands. The Rutherford cable with a high packing factor of 86.5% has been fabricated using F4 strands. The small racetrack magnet, SR07, was also fabricated by a 14 m F4 cable. The quench current, I{sub q}, of SR07 were obtained 22.4 kA at 4.5 K and 25.2 kA at 2.2 K. The tantalum matrix Nb{sub 3}Al strands are promising for the application of super-cooled high-field magnets as well as 4.2 K operation magnets.

  19. A class of ejecta transport test problems

    SciTech Connect (OSTI)

    Hammerberg, James E; Buttler, William T; Oro, David M; Rousculp, Christopher L; Morris, Christopher; Mariam, Fesseha G

    2011-01-31

    Hydro code implementations of ejecta dynamics at shocked interfaces presume a source distribution function ofparticulate masses and velocities, f{sub 0}(m, v;t). Some of the properties of this source distribution function have been determined from extensive Taylor and supported wave experiments on shock loaded Sn interfaces of varying surface and subsurface morphology. Such experiments measure the mass moment of f{sub o} under vacuum conditions assuming weak particle-particle interaction and, usually, fully inelastic capture by piezo-electric diagnostic probes. Recently, planar Sn experiments in He, Ar, and Kr gas atmospheres have been carried out to provide transport data both for machined surfaces and for coated surfaces. A hydro code model of ejecta transport usually specifies a criterion for the instantaneous temporal appearance of ejecta with source distribution f{sub 0}(m, v;t{sub 0}). Under the further assumption of separability, f{sub 0}(m,v;t{sub 0}) = f{sub 1}(m)f{sub 2}(v), the motion of particles under the influence of gas dynamic forces is calculated. For the situation of non-interacting particulates, interacting with a gas via drag forces, with the assumption of separability and simplified approximations to the Reynolds number dependence of the drag coefficient, the dynamical equation for the time evolution of the distribution function, f(r,v,m;t), can be resolved as a one-dimensional integral which can be compared to a direct hydro simulation as a test problem. Such solutions can also be used for preliminary analysis of experimental data. We report solutions for several shape dependent drag coefficients and analyze the results of recent planar dsh experiments in Ar and Xe.

  20. Report of endangered species studies on Naval Petroleum Reserve No. 2, Kern County, California

    SciTech Connect (OSTI)

    O'Farrell, T.P.; Warrick, G.D.; Mathews, N.E.; Kato, T.T.

    1987-09-01

    Between 1983 and 1986 the size of the population of San Joaquin kit foxes (Vulpes macrotis mutica) on Naval Petroleum Reserve No. 2 (NPR-2), Kern County, California, was estimated semiannually using capture-recapture techniques. Although summer population estimates varied between 222 in 1983 and 121 in 1986, and winter estimates varies between 258 in 1984 and 91 in 1983, the population appeared to remain relatively stable at an apparent norm of 165. Kit foxes were abundant even in the intensely developed areas, and numbers and densities (1.12 to 2.49/sq mile) were consistently higher on NPR-2 than on neighboring NPR-1. The percentage of adult vixens that successfully raised pups was 55%, average litter size was 4.0 +- 0.0, and the sex ratio (M:F) of 25 pups was 1:1.5. Most (45.2%) foxes were killed by coyotes (Canis latrans), vehicles killed 6.4%, and 6.5% died of other causes. A cause could not be determined for 41.9% of the deaths. There was a general increase in coyote visitation rates at scent stations, but kit fox visitation rates generally decreased. Kit fox indices were consistently higher on NPR-2 than on NPR-1. Approximately 15% of the kit foxes on NPR-2 dispersed an average of 2.2 +- 0.2 miles. Average dispersal distance did not differ between the sexes. The longest dispersal was 6.9 miles. Proportionately more male than female pups dispersed. Remains of lagomorphs (jackrabbits and cottontails) and kangaroo rats had the highest frequency of occurrence in scats. Frequency of occurrence of lagomorph remains was greater in developed than in undeveloped habitats. Proportions of lagomorph remains increased and kangaroo rat remains decreased between 1983 and 1984. 62 refs., 9 figs., 24 tabs.

  1. Sex-specific differences in hyperoxic lung injury in mice: Implications for acute and chronic lung disease in humans

    SciTech Connect (OSTI)

    Lingappan, Krithika, E-mail: lingappa@bcm.edu [Department of Pediatrics, Section of Neonatology, Texas Children's Hospital, Baylor College of Medicine, 1102 Bates Avenue, MC: FC530.01, Houston, TX 77030 (United States); Jiang, Weiwu; Wang, Lihua; Couroucli, Xanthi I. [Department of Pediatrics, Section of Neonatology, Texas Children's Hospital, Baylor College of Medicine, 1102 Bates Avenue, MC: FC530.01, Houston, TX 77030 (United States); Barrios, Roberto [Department of Pathology and Genomic Medicine, The Methodist Hospital Physician Organization, 6565 Fannin Street, Suite M227, Houston, TX 77030 (United States); Moorthy, Bhagavatula [Department of Pediatrics, Section of Neonatology, Texas Children's Hospital, Baylor College of Medicine, 1102 Bates Avenue, MC: FC530.01, Houston, TX 77030 (United States)

    2013-10-15

    Sex-specific differences in pulmonary morbidity in humans are well documented. Hyperoxia contributes to lung injury in experimental animals and humans. The mechanisms responsible for sex differences in the susceptibility towards hyperoxic lung injury remain largely unknown. In this investigation, we tested the hypothesis that mice will display sex-specific differences in hyperoxic lung injury. Eight week-old male and female mice (C57BL/6J) were exposed to 72 h of hyperoxia (FiO{sub 2} > 0.95). After exposure to hyperoxia, lung injury, levels of 8-iso-prostaglandin F{sub 2} alpha (8-iso-PGF 2?) (LCMS/MS), apoptosis (TUNEL) and inflammatory markers (suspension bead array) were determined. Cytochrome P450 (CYP)1A expression in the lung was assessed using immunohistochemistry and western blotting. After exposure to hyperoxia, males showed greater lung injury, neutrophil infiltration and apoptosis, compared to air-breathing controls than females. Pulmonary 8-iso-PGF 2? levels were higher in males than females after hyperoxia exposure. Sexually dimorphic increases in levels of IL-6 (F > M) and VEGF (M > F) in the lungs were also observed. CYP1A1 expression in the lung was higher in female mice compared to males under hyperoxic conditions. Overall, our results support the hypothesis that male mice are more susceptible than females to hyperoxic lung injury and that differences in inflammatory and oxidative stress markers contribute to these sex-specific dimorphic effects. In conclusion, this paper describes the establishment of an animal model that shows sex differences in hyperoxic lung injury in a temporal manner and thus has important implications for lung diseases mediated by hyperoxia in humans. - Highlights: Male mice were more susceptible to hyperoxic lung injury than females. Sex differences in inflammatory markers were observed. CYP1A expression was higher in females after hyperoxia exposure.

  2. A MAGELLAN MIKE AND SPITZER MIPS STUDY OF 1.5-1.0 M{sub sun} STARS IN SCORPIUS-CENTAURUS

    SciTech Connect (OSTI)

    Chen, Christine H.; Bitner, Martin A.; Mamajek, Eric E.; Pecaut, Mark; Su, Kate Y. L.; Weinberger, Alycia J.

    2011-09-10

    We obtained Spitzer Space Telescope Multiband Imaging Photometer for Spitzer (MIPS) 24 {mu}m and 70 {mu}m observations of 182 nearby, Hipparcos F- and G-type common proper motion single and binary systems in the nearest OB association, Scorpius-Centaurus. We also obtained Magellan/MIKE R {approx} 50,000 visual spectra at 3500-10500 A for 181 candidate ScoCen stars in single and binary systems. Combining our MIPS observations with those of other ScoCen stars in the literature, we estimate 24 {mu}m F+G-type disk fractions of 9/27 (33% {+-} 11%), 21/67 (31% {+-} 7%), and 25/71 (35% {+-} 7%) for Upper Scorpius ({approx}10 Myr), Upper Centaurus Lupus ({approx}15 Myr), and Lower Centaurus Crux ({approx}17 Myr), respectively. We confirm previous IRAS and MIPS excess detections and present new discoveries of 41 protoplanetary and debris disk systems, with fractional infrared luminosities ranging from L{sub IR}/L{sub *} = 10{sup -5} to 10{sup -2} and grain temperatures ranging from T{sub gr} = 40-300 K. We searched for an increase in 24 {mu}m excess at an age of 15-20 Myr, consistent with the onset of debris production predicted by coagulation N-body simulations of outer planetary systems. We found such an increase around 1.5 M{sub sun} stars but discovered a decrease in the 24 {mu}m excess around 1.0 M{sub sun} stars. We additionally discovered that the 24 {mu}m excess around 1.0 M{sub sun} stars is larger than predicted by self-stirred models. Finally, we found a weak anti-correlation between fractional infrared luminosity (L{sub IR}/L{sub *}) and chromospheric activity (R'{sub HK}), that may be the result of differences in stellar properties, such as mass, luminosity, and/or winds.

  3. Review and analysis of parameters for assessing transport of environmentally released radionuclides through agriculture

    SciTech Connect (OSTI)

    Baes, C.F. III; Sharp, R.D.; Sjoreen, A.L.; Shor, R.W.

    1984-09-01

    Most of the default parameters incorporated into the TERRA computer code are documented including a literature review and systematic analysis of element-specific transfer parameters B/sub v/, B/sub r/, F/sub m/, F/sub f/, and K/sub d/. This review and analysis suggests default values which are consistent with the modeling approaches taken in TERRA and may be acceptable for most assessment applications of the computer code. However, particular applications of the code and additional analysis of elemental transport may require alternative default values. Use of the values reported herein in other computer codes simulating terrestrial transport is not advised without careful interpretation of the limitations and scope these analyses. An approach to determination of vegetation-specific interception fractions is also discussed. The limitations of this approach are many, and its use indicates the need for analysis of deposition, interception, and weathering processes. Judgement must be exercised in interpretation of plant surface concentrations generated. Finally, the location-specific agricultural, climatological, and population parameters in the default SITE data base documented. These parameters are intended as alternatives to average values currently used. Indeed, areas in the United States where intensive crop, milk, or beef production occurs will be reflected in the parameter values as will areas where little agricultural activity occurs. However, the original information sources contained some small error and the interpolation and conversion methods used will add more. Parameters used in TERRA not discussed herein are discussed in the companion report to this one - ORNL-5785. In the companion report the models employed in and the coding of TERRA are discussed. These reports together provide documentation of the TERRA code and its use in assessments. 96 references, 78 figures, 21 tables.

  4. Insertion of Balloon Retained Gastrostomy Buttons: A 5-Year Retrospective Review of 260 Patients

    SciTech Connect (OSTI)

    Power, Sarah Kavanagh, Liam N.; Shields, Mary C.; Given, Mark F.; Keeling, Aoife N.; McGrath, Frank P.; Lee, Michael J.

    2013-04-15

    Radiologically inserted gastrostomy (RIG) is an established way of maintaining enteral nutrition in patients who cannot maintain nutrition orally. The purpose of this study was to evaluate the safety and efficacy of primary placement of a wide bore button gastrostomy in a large, varied patient population through retrospective review. All patients who underwent gastrostomy placement from January 1, 2004 to January 1, 2009 were identified. 18-Fr gastrostomy buttons (MIC-Key G) were inserted in the majority. Follow-up ranged from 6 months to 4.5 years. A total of 260 patients (M:F 140:120, average age 59.2 years) underwent gastrostomy during the study period. Overall success rate for RIG placement was 99.6 %, with success rate of 95.3 % for primary button insertion. Indications included neurological disorders (70 %), esophageal/head and neck malignancy (21 %), and other indications (9 %). Major and minor complication rates were 1.2 and 12.8 %, respectively. Thirty-day mortality rate was 6.8 %. One third of patients underwent gastrostomy reinsertion during the study period, the main indication for which was inadvertent catheter removal. Patency rate was high at 99.5 %. The maximum number of procedures in any patient was 8 (n = 2), and the average tube dwell time was 125 days. Primary radiological insertion of a wide bore button gastrostomy is a safe technique, with high success rate, high patency rate, and low major complication rate. We believe that it is feasible to attempt button gastrostomy placement in all patients, once tract length is within limits of tube length. If difficulty is encountered, then a standard tube may simply be placed instead.

  5. Amineborane Based Chemical Hydrogen Storage - Final Report

    SciTech Connect (OSTI)

    Sneddon, Larry G.

    2011-04-21

    The development of efficient and safe methods for hydrogen storage is a major hurdle that must be overcome to enable the use of hydrogen as an alternative energy carrier. The objectives of this project in the DOE Center of Excellence in Chemical Hydride Storage were both to develop new methods for on-demand, low temperature hydrogen release from chemical hydrides and to design high-conversion off-board methods for chemical hydride regeneration. Because of their reactive protic (N-H) and hydridic (B-H) hydrogens and high hydrogen contents, amineboranes such as ammonia borane, NH3BH3 (AB), 19.6-wt% H2, and ammonia triborane NH3B3H7 (AT), 17.7-wt% H2, were initially identified by the Center as promising, high-capacity chemical hydrogen storage materials with the potential to store and deliver molecular hydrogen through dehydrogenation and hydrolysis reactions. In collaboration with other Center partners, the Penn project focused both on new methods to induce amineborane H2-release and on new strategies for the regeneration the amineborane spent-fuel materials. The Penn approach to improving amineborane H2-release focused on the use of ionic liquids, base additives and metal catalysts to activate AB dehydrogenation and these studies successfully demonstrated that in ionic liquids the AB induction period that had been observed in the solid-state was eliminated and both the rate and extent of AB H2-release were significantly increased. These results have clearly shown that, while improvements are still necessary, many of these systems have the potential to achieve DOE hydrogen-storage goals. The high extent of their H2-release, the tunability of both their H2 materials weight-percents and release rates, and their product control that is attained by either trapping or suppressing unwanted volatile side products, such as borazine, continue to make AB/ionic-liquid based systems attractive candidates for chemical hydrogen storage applications. These studies also demonstrated that H2-release from chemical hydrides can occur by a number of different mechanistic pathways and strongly suggest that optimal chemical hydride based H2release systems may require the use of synergistic dehydrogenation methods to induce H2-loss from chemically different intermediates formed during release reactions. The efficient regeneration of ammonia borane from BNHx spent fuel is one of the most challenging problems that will have to be overcome in order to utilize AB-based hydrogen storage. Three Center partners, LANL, PNNL and Penn, each took different complimentary approaches to AB regeneration. The Penn approach focused on a strategy involving spent-fuel digestion with superacidic acids to produce boron-halides (BX3) that could then be converted to AB by coordination/reduction/displacement processes. While the Penn boron-halide reduction studies successfully demonstrated that a dialkylsulfide-based coordination/reduction/displacement process gave quantitative conversions of BBr3 to ammonia borane with efficient and safe product separations, the fact that AB spent-fuels could not be digested in good yields to BX3 halides led to a No-Go decision on this overall AB-regeneration strategy.

  6. Crystalline Nanoporous Frameworks: a Nanolaboratory for Probing Excitonic Device Concepts.

    SciTech Connect (OSTI)

    Allendorf, Mark D.; Azoulay, Jason; Ford, Alexandra Caroline; Foster, Michael E.; El Gabaly Marquez, Farid; Leonard, Francois Leonard; Leong-Hau, Kirsty; Stavila, Vitalie; Talin, Albert Alec; Wong, Brian M.; Brumbach, Michael T.; Van Gough, D.; Lambert, Timothy N.; Rodriguez, Mark A.; Spoerke, Erik David; Wheeler, David R.; Deaton, Joseph C.; Centrone, Andrea; Haney, Paul; Kinney, R.; Szalai, Veronika; Yoon, Heayoung P.

    2014-09-01

    Electro-optical organic materials hold great promise for the development of high-efficiency devices based on exciton formation and dissociation, such as organic photovoltaics (OPV) and organic light-emitting devices (OLEDs). However, the external quantum efficiency (EQE) of both OPV and OLEDs must be improved to make these technologies economical. Efficiency rolloff in OLEDs and inability to control morphology at key OPV interfaces both reduce EQE. Only by creating materials that allow manipulation and control of the intimate assembly and communication between various nanoscale excitonic components can we hope to first understand and then engineer the system to allow these materials to reach their potential. The aims of this proposal are to: 1) develop a paradigm-changing platform for probing excitonic processes composed of Crystalline Nanoporous Frameworks (CNFs) infiltrated with secondary materials (such as a complimentary semiconductor); 2) use them to probe fundamental aspects of excitonic processes; and 3) create prototype OPVs and OLEDs using infiltrated CNF as active device components. These functional platforms will allow detailed control of key interactions at the nanoscale, overcoming the disorder and limited synthetic control inherent in conventional organic materials. CNFs are revolutionary inorganic-organic hybrid materials boasting unmatched synthetic flexibility that allow tuning of chemical, geometric, electrical, and light absorption/generation properties. For example, bandgap engineering is feasible and polyaromatic linkers provide tunable photon antennae; rigid 1-5 nm pores provide an oriented, intimate host for triplet emitters (to improve light emission in OLEDs) or secondary semiconducting polymers (creating a charge-separation interface in OPV). These atomically engineered, ordered structures will enable critical fundamental questions to be answered concerning charge transport, nanoscale interfaces, and exciton behavior that are inaccessible in disordered systems. Implementing this concept also creates entirely new dimensions for device fabrication that could both improve performance, increase durability, and reduce costs with unprecedented control of over properties. This report summarizes the key results of this project and is divided into sections based on publications that resulted from the work. We begin in Section 2 with an investigation of light harvesting and energy transfer in a MOF infiltrated with donor and acceptor molecules of the type typically used in OPV devices (thiophenes and fullerenes, respectively). The results show that MOFs can provide multiple functions: as a light harvester, as a stabilizer and organizer or the infiltrated molecules, and as a facilitator of energy transfer. Section 3 describes computational design of MOF linker groups to accomplish light harvesting in the visible and facilitate charge separation and transport. The predictions were validated by UV-visible absorption spectroscopy, demonstrating that rational design of MOFs for light-harvesting purposes is feasible. Section 4 extends the infiltration concept discussed in Section to, which we now designate as %22Molecule%40MOF%22 to create an electrically conducting framework. The tailorability and high conductivity of this material are unprecedented, meriting publication in the journal Science and spawning several Technical Advances. Section 5 discusses processes we developed for depositing MOFs as thin films on substrates, a critical enabling technology for fabricating MOF-based electronic devices. Finally, in Section 6 we summarize results showing that a MOF thin film can be used as a sensitizer in a DSSC, demonstrating that MOFs can serve as active layers in excitonic devices. Overall, this project provides several crucial proofs-of- concept that the potential of MOFs for use in optoelectronic devices that we predicted several years ago [ 3 ] can be realized in practice.

  7. Big Sky Carbon Sequestration Partnership

    SciTech Connect (OSTI)

    Susan M. Capalbo

    2005-11-01

    The Big Sky Carbon Sequestration Partnership, led by Montana State University, is comprised of research institutions, public entities and private sectors organizations, and the Confederated Salish and Kootenai Tribes and the Nez Perce Tribe. Efforts under this Partnership in Phase I fall into four areas: evaluation of sources and carbon sequestration sinks that will be used to determine the location of pilot demonstrations in Phase II; development of GIS-based reporting framework that links with national networks; designing an integrated suite of monitoring, measuring, and verification technologies and assessment frameworks; and initiating a comprehensive education and outreach program. The groundwork is in place to provide an assessment of storage capabilities for CO2 utilizing the resources found in the Partnership region (both geological and terrestrial sinks), that would complement the ongoing DOE research agenda in Carbon Sequestration. The region has a diverse array of geological formations that could provide storage options for carbon in one or more of its three states. Likewise, initial estimates of terrestrial sinks indicate a vast potential for increasing and maintaining soil C on forested, agricultural, and reclaimed lands. Both options include the potential for offsetting economic benefits to industry and society. Steps have been taken to assure that the GIS-based framework is consistent among types of sinks within the Big Sky Partnership area and with the efforts of other DOE regional partnerships. The Partnership recognizes the critical importance of measurement, monitoring, and verification technologies to support not only carbon trading but all policies and programs that DOE and other agencies may want to pursue in support of GHG mitigation. The efforts in developing and implementing MMV technologies for geological sequestration reflect this concern. Research is also underway to identify and validate best management practices for soil C in the Partnership region, and to design a risk/cost effectiveness framework to make comparative assessments of each viable sink, taking into account economic costs, offsetting benefits, scale of sequestration opportunities, spatial and time dimensions, environmental risks, and long-term viability. Scientifically sound MMV is critical for public acceptance of these technologies. Deliverables for the 7th Quarter reporting period include (1) for the geological efforts: Reports on Technology Needs and Action Plan on the Evaluation of Geological Sinks and Pilot Project Deployment (Deliverables 2 and 3), and Report on the Feasibility of Mineralization Trapping in the Snake River Plain Basin (Deliverable 14); (2) for the terrestrial efforts: Report on the Evaluation of Terrestrial Sinks and a Report of the Best Production Practices for Soil C Sequestration (Deliverables 8 and 15). In addition, the 7th Quarter activities for the Partnership included further development of the proposed activities for the deployment and demonstration phase of the carbon sequestration pilots including geological and terrestrial pilots, expansion of the Partnership to encompass regions and institutions that are complimentary to the steps we have identified, building greater collaborations with industry and stakeholders in the region, contributed to outreach efforts that spanned all partnerships, co-authorship on the Carbon Capture and Separation report, and developed a regional basis to address future energy opportunities in the region. The deliverables and activities are discussed in the following sections and appended to this report. The education and outreach efforts have resulted in a comprehensive plan which serves as a guide for implementing the outreach activities under Phase I. The public website has been expanded and integrated with the GIS carbon atlas. We have made presentations to stakeholders and policy makers including two tribal sequestration workshops, and made connections to other federal and state agencies concerned with GHG emissions, climate change, and efficient and environmental

  8. SNL-EFDC (Environmental Fluid Dynamics Code) v. 0.0 beta

    Energy Science and Technology Software Center (OSTI)

    2009-06-16

    EFDC can simulate water and water-quality-constituent transport in geometrically and dynamically complex water bodies, such as vertically mixed shallow estuaries, lakes, and coastal areas. The EFDC model solves the three-dimensional, vertically hydrostatic, free surface, turbulent averaged equations of motion for a variable density fluid. The model uses a stretched, or sigma, vertical coordinate and Cartesian, or curvilinear, orthogonal horizontal coordinates. Dynamically coupled transport equations for turbulent kinetic energy, turbulent length scale, salinity and temperature aremore »also solved. An optional bottom boundary layer submodel allows for wave-current boundary layer interaction using an externally specified high frequency surface gravity wave field. The EFDC model also simultaneously solves an arbitrary number of Eulerian transport-transformation equations for dissolved and suspended materials. For example, equations describing the transport of suspended sediment, toxic contaminants, and water quality state variables are also solved. Multiple size classes of cohesive and noncohesive sediments and associated deposition and resuspension processes and bed geomechanics are simulated. A complimentary Lagrangian particle transport-transformation scheme is also implemented in the model. The EFDC model also allows for drying and wetting in shallow areas by a mass conservative scheme. A number of alternatives are in place in the model to simulate general discharge control structures such as weirs, spillways and culverts. For nearshore surf zone simulation, the EFDC model can incorporate externally specified radiation stresses due to high frequency surface gravity waves. Externally specified wave dissipation due to wave breaking and bottom friction can also be incorporated in the turbulence closure model as source terms. For the simulation of flow in vegetated environments, the EFDC model incorporates both two and three-dimensional vegetation resistance formulations (Hamrick and Moustafa, 1995a). The model provides output formatted to yield transport fields for water quality models, including WASP5 and CE-QUAL-ICM. Unique features of EFDC are its ability to simulate wetting and drying cycles, it includes a near field mixing zone model that is fully coupled with a far field transport of salinity, temperature, sediment, contaminant, and eutrophication variables. It also contains hydraulic structure representation, vegetative resistance, and Lagrangian particle tracking. EFDC accepts radiation stress fields from wave refraction-diffraction models, thus allowing the simulation of longshore currents and sediment transport.” The following describes Sandia’s contribution to EFDC, which is called SNL-EFDC, the software considered in this document: Sandia National Laboratories Environmental Fluid Dynamics Code is a modified version of the EPA’s code described above. It has been updated to include dynamic memory, bug fixes, improved current- and wave-induced shear stress calculations, and greatly improved sediment dynamics and water quality routines.« less

  9. Fourier heat conduction as a phenomenon described within the scope of the second law

    SciTech Connect (OSTI)

    Jesudason, Christopher G.

    2014-12-10

    The historical development of the Carnot cycle necessitated the construction of isothermal and adiabatic pathways within the cycle that were also mechanically 'reversible' which lead eventually to the Kelvin-Clausius development of the entropy function S where for any reversible closed path C, ∮{sub C} dS = 0 based on an infinite number of concatenated Carnot engines that approximated the said path and where for each engine ΔQ{sub 1}/T{sub 1}+ΔQ{sub 2}/T{sub 2} = 0 where the Q's and T's are the heat absorption increments and temperature respectively with the subscripts indicating the isothermal paths (1;2) where for the Carnot engine, the heat absorption is for the diathermal (isothermal) paths of the cycle only. Since 'heat' has been defined as that form of energy that is transferred as a result of a temperature difference and a corollary of the Clausius statement of the Second law is that it is impossible for heat to be transferred from a cold to a hot reservoir with no other effect on the environment, these statements suggested that the local mode of transfer of 'heat' in the isothermal segments of the pathway does imply a Fourier heat conduction mechanism (to conform to the definition of 'heat') albeit of a 'reversible' kind, but on the other hand, the Fourier mechanism is apparently irreversible, leading to an increase in entropy of the combined reservoirs at either end of the material involved in the conveyance of the heat energy. These and several other considerations lead Benofy and Quay (BQ) to postulate the Fourier heat conduction phenomenon to be an ancillary principle in thermodynamics, with this principle being strictly local in nature, where the global Second law statements could not be applied to this local process. Here we present equations that model heat conduction as a thermodynamically reversible but mechanically irreversible process where due to the belief in mechanical time reversible symmetry, thermodynamical reversibility has been unfortunately linked to mechanical reversibility, that has discouraged such an association. The modeling is based on an application of a 'recoverable transition', defined and developed earlier on ideas derived from thermal desorption of particles from a surface where the Fourier heat conduction process is approximated as a series of such desorption processes. We recall that the original Carnot engine required both adiabatic and isothermal steps to complete the zero entropy cycle, and this construct lead to the consequent deduction that any Second law statement that refers to heat-work conversion processes are only globally relevant. Here, on the other hand, we examine Fourier heat conduction from MD simulation and model this process as a zero-entropy forward scattering process relative to each of the atoms in the lattice chain being treated as a system where the Carnot cycle can be applied individually. The equations developed predicts the 'work' done to be equal to the energy transfer rate. The MD simulations conducted shows excellent agreement with the theory. Such views and results as these, if developed to a successful conclusion could imply that the Carnot cycle be viewed as describing a local process of energy-work conversion and that irreversible local processes might be brought within the scope of this cycle, implying a unified treatment of thermodynamically (i) irreversible, (ii) reversible, (iii) isothermal and (iv) adiabatic processes.

  10. 1999 Pacific Northwest Loads and Resources Study.

    SciTech Connect (OSTI)

    United States. Bonneville Power Administration.

    1999-12-01

    The Pacific Northwest Loads and Resources Study (White Book) is published annually by BPA and establishes the planning basis for supplying electricity to customers. It serves a dual purpose. First, the White Book presents projections of regional and Federal system load and resource capabilities, along with relevant definitions and explanations. Second, the White Book serves as a benchmark for annual BPA determinations made pursuant to its regional power sales contracts. Specifically, BPA uses the information in the White Book for determining the notice required when customers request to increase or decrease the amount of power purchased from BPA. The White Book will not be used in calculations for the 2002 regional power sales contract subscription process. The White Book compiles information obtained from several formalized resource planning reports and data submittals, including those from the Northwest Power Planning Council (Council) and the Pacific Northwest Utilities Conference Committee (PNUCC). The White Book is not an operational planning guide, nor is it used for determining BPA revenues. Operation of the Federal Columbia River Power System (FCRPS) is based on a set of criteria different from that used for resource planning decisions. Operational planning is dependent upon real-time or near-term knowledge of system conditions, including expectations of river flows and runoff, market opportunities, availability of reservoir storage, energy exchanges, and other factors affecting the dynamics of operating a power system. In this loads and resources study, resource availability is compared with a medium forecast of electricity consumption. The forecasted future electricity demands--firm loads--are subtracted from the projected capability of existing and ''contracted for'' resources to determine whether BPA and the region will be surplus or deficit. If Federal system resources are greater than loads in any particular year or month, there is a surplus of energy and/or capacity, which BPA may use or market to increase revenues. Conversely, if Federal system firm loads exceed available resources, there is a deficit of energy and/or capacity and BPA would add conservation or contract purchases as needed to meet its firm loads. The load forecast is derived by using econometric models and analysis to predict the loads that will be placed on electric utilities in the region. This study incorporates information on contract obligations and contract resources, combined with the resource capabilities obtained from public utility and investor-owned utility (IOU) customers through their annual data submittals to the PNUCC, from BPA's Firm Resource Exhibit (FRE Exhibit I) submittals, and through analysis of the Federal hydroelectric power system. The loads and resources analysis in this study simulates the operation of the power system under the Pacific Northwest Coordination Agreement (PNCA) produced by the Pacific Northwest Coordinating Group. The PNCA defines the planning and operation of the regional hydrosystem. The 1999 White Book is presented in two documents: (1) this summary of Federal system and Pacific Northwest region loads and resources; and (2) a technical appendix (available electronically only) detailing the loads and resources for each major Pacific Northwest generating utility. This analysis updates the December 1998 Pacific Northwest Loads and Resources Study. This analysis projects the yearly average energy consumption and resource availability for Operating Years (OY) 2000-01 through 2009-10. The study shows the Federal system's and the region's monthly estimated maximum electricity demand, monthly energy demand, monthly energy generation, and monthly maximum generating capability--capacity--for OY 2000-01, 2004-05, and 2009-10. The Federal system and regional monthly capacity surplus/deficit projections are summarized for 10 operating years. This document analyzes the Pacific Northwest's projected loads and available generating resources in two parts: (1) the loads and resources of the Federal system, for which BPA is the marketing agency; and (2) the larger Pacific Northwest regional power system, which includes loads and resources in addition to the Federal system.

  11. Next Generation Environmentally-Friendly Driving Feedback Systems Research and Development

    SciTech Connect (OSTI)

    Barth, Matthew; Boriboonsomsin, Kanok

    2014-12-31

    The objective of this project is to design, develop, and demonstrate a next-generation, federal safety- and emission-complaint driving feedback system that can be deployed across the existing vehicle fleet and improve fleet average fuel efficiency by at least 2%. The project objective was achieved with the driving feedback system that encourages fuel-efficient vehicle travel and operation through: 1) Eco-Routing Navigation module that suggests the most fuel-efficient route from one stop to the next, 2) Eco-Driving Feedback module that provides sensible information, recommendation, and warning regarding fuel-efficient vehicle operation, and 3) Eco-Score and Eco-Rank module that provides a means for driving performance tracking, self-evaluation, and peer comparison. The system also collects and stores vehicle travel and operation data, which are used by Algorithm Updating module to customize the other modules for specific vehicles and adapts them to specific drivers over time. The driving feedback system was designed and developed as an aftermarket technology that can be retrofitted to vehicles in the existing fleet. It consists of a mobile application for smart devices running Android operating system, a vehicle on-board diagnostics connector, and a data server. While the system receives and utilizes real-time vehicle and engine data from the vehicles controller area network bus through the vehicles on-board diagnostic connector, it does not modify or interfere with the vehicles controller area network bus, and thus, is in compliance with federal safety and emission regulations. The driving feedback system was demonstrated and then installed on 45 vehicles from three different fleets for field operational test. These include 15 private vehicles of the general public, 15 pickup trucks of the California Department of Transportation that are assigned to individual employees for business use, and 15 shuttle buses of the Riverside Transit Agency that are used for paratransit service. Detailed vehicle travel and operation data including route taken, driving speed, acceleration, braking, and the corresponding fuel consumption, were collected both before and during the test period. The data analysis results show that the fleet average fuel efficiency improvements for the three fleets with the use of the driving feedback system are in the range of 2% to 9%. The economic viability of the driving feedback system is high. A fully deployed system would require capital investment in smart device ($150-$350) and on-board diagnostics connector ($50-$100) as well as paying operating costs for wireless data plan and subscription fees ($20-$30 per month) for connecting to the data server and receiving various system services. For individual consumers who already own a smart device (such as smartphone) and commercial fleets that already use some kind of telematics services, the costs for deploying this driving feedback system would be much lower.

  12. Method of orbit sums in the theory of modular vector invariants

    SciTech Connect (OSTI)

    Stepanov, S A

    2006-12-31

    Let F be a field, V a finite-dimensional F-vector space, G{<=}GL{sub F}(V) a finite group, and V{sup m}=V+...+V the m-fold direct sum with the diagonal action of G. The group G acts naturally on the symmetric graded algebra A{sub m}=F[V{sup m}] as a group of non-degenerate linear transformations of the variables. Let A{sub m}{sup G} be the subalgebra of invariants of the polynomial algebra A{sub m} with respect to G. A classical result of Noether [1] says that if charF=0, then A{sub m}{sup G} is generated as an F-algebra by homogeneous polynomials of degree at most |G|, no matter how large m can be. On the other hand, it was proved by Richman [2], [3] that this result does not hold when the characteristic of F is positive and divides the order |G| of G. Let p, p>2, be a prime number, F=F{sub p} a finite field of p elements, V a linear F{sub p}-vector space of dimension n, and H{<=}GL{sub F{sub p}}(V) a cyclic group of order p generated by a matrix {gamma} of a certain special form. In this paper we describe explicitly (Theorem 1) one complete set of generators of A{sub m}{sup H}. After that, for an arbitrary complete set of generators of this algebra we find a lower bound for the highest degree of the generating elements of this algebra. This is a significant extension of the corresponding result of Campbell and Hughes [4] for the particular case of n=2. As a consequence we show (Theorem 3) that if m>n and G{>=}H is an arbitrary finite group, then each complete set of generators of A{sub m}{sup G} contains an element of degree at least 2(m-n+2r)(p-1)/r, where r=r(H) is a positive integer dependent on the structure of the generating matrix {gamma} of the group H. This result refines considerably the earlier lower bound obtained by Richman [3].

  13. Technical Review Report for the Model 9977 Safety Analysis Report for Packaging Addendum 1 Justification for DNDO Contents

    SciTech Connect (OSTI)

    West, M H

    2008-12-17

    The Model 9977 Package is currently certified for Content Envelope C.1, {sup 238}Pu Heat Sources, either in Radioisotope Thermoelectric Generator (RTG), or in Food-Pack Can configurations, under Certificate of Compliance (CoC) Certificate Number 9977 and Package Identification Number USA/9977/B(M)F-96 (DOE). Addendum 1, Justification for DNDO Contents,--the Submittal--supplements Revision 2 of the Safety Analysis Report for Packaging for the Model 9977 Package. The Submittal adds five new contents to the Model 9977 Package, Content Envelopes, AC.1 through AC.5. The Content Envelopes are neptunium metal, the beryllium-reflected plutonium ball (BeRP Ball), plutonium/uranium metal, plutonium/uranium metal with enhanced wt% {sup 240}Pu (to 50 wt%), and uranium metal. The last three Content Envelopes are stabilized to DOE-STD-3013. These Content Envelopes will be shipped to the Device Assembly Facility (DAF) at the Nevada Test Site (NTS), where they will reside, and, hence, to off-site locations in support of the Department of Homeland Security (DHS) Domestic Nuclear Detection Office (DNDO). The new certificate will apply to a limited number of Model 9977 Packages. At the same time, the Submittal requests an extension of the periodic maintenance requirements from one (1) year to up to five (5) years using Radio-Frequency Identification (RFID) temperature-monitoring systems to measure the ambient storage temperature in order to ensure that the temperature of the Viton{reg_sign} O-rings for the 6-inch Containment Vessel (6CV) remain less than 200 F. The RFIDs have been developed by Argonne National Laboratory. An on-going surveillance program at the K-Area Materials Storage (KAMS) facility at the Savannah River Site, and an on-going examination of Viton{reg_sign} O-rings from mock Primary Containment Vessels (PCVs) at Savannah River National Laboratory (SRNL) provide the technical justification for the extension of the periodic maintenance interval. Where extended periodic maintenance is desired, the decay heat rate for the Model 9977 Package is limited to 15 watts.

  14. BIG SKY CARBON SEQUESTRATION PARTNERSHIP

    SciTech Connect (OSTI)

    Susan M. Capalbo

    2004-10-31

    The Big Sky Carbon Sequestration Partnership, led by Montana State University, is comprised of research institutions, public entities and private sectors organizations, and the Confederated Salish and Kootenai Tribes and the Nez Perce Tribe. Efforts under this Partnership fall into four areas: evaluation of sources and carbon sequestration sinks; development of GIS-based reporting framework; designing an integrated suite of monitoring, measuring, and verification technologies; and initiating a comprehensive education and outreach program. At the first two Partnership meetings the groundwork was put in place to provide an assessment of capture and storage capabilities for CO{sub 2} utilizing the resources found in the Partnership region (both geological and terrestrial sinks), that would complement the ongoing DOE research. During the third quarter, planning efforts are underway for the next Partnership meeting which will showcase the architecture of the GIS framework and initial results for sources and sinks, discuss the methods and analysis underway for assessing geological and terrestrial sequestration potentials. The meeting will conclude with an ASME workshop. The region has a diverse array of geological formations that could provide storage options for carbon in one or more of its three states. Likewise, initial estimates of terrestrial sinks indicate a vast potential for increasing and maintaining soil C on forested, agricultural, and reclaimed lands. Both options include the potential for offsetting economic benefits to industry and society. Steps have been taken to assure that the GIS-based framework is consistent among types of sinks within the Big Sky Partnership area and with the efforts of other western DOE partnerships. Efforts are also being made to find funding to include Wyoming in the coverage areas for both geological and terrestrial sinks and sources. The Partnership recognizes the critical importance of measurement, monitoring, and verification technologies to support not only carbon trading but all policies and programs that DOE and other agencies may want to pursue in support of GHG mitigation. The efforts begun in developing and implementing MMV technologies for geological sequestration reflect this concern. Research is also underway to identify and validate best management practices for soil C in the Partnership region, and to design a risk/cost effectiveness framework to make comparative assessments of each viable sink, taking into account economic costs, offsetting benefits, scale of sequestration opportunities, spatial and time dimensions, environmental risks, and long-term viability. Scientifically sound information on MMV is critical for public acceptance of these technologies. Two key deliverables were completed in the second quarter--a literature review/database to assess the soil carbon on rangelands, and the draft protocols, contracting options for soil carbon trading. The protocols developed for soil carbon trading are unique and provide a key component of the mechanisms that might be used to efficiently sequester GHG and reduce CO{sub 2} concentrations. While no key deliverables were due during the third quarter, progress on other deliverables is noted in the PowerPoint presentations and in this report. A series of meetings held during the second and third quarters have laid the foundations for assessing the issues surrounding carbon sequestration in this region, the need for a holistic approach to meeting energy demands and economic development potential, and the implementation of government programs or a market-based setting for soil C credits. These meetings provide a connection to stakeholders in the region and a basis on which to draw for the DOE PEIS hearings. In the fourth quarter, three deliverables have been completed, some in draft form to be revised and updated to include Wyoming. This is due primarily to some delays in funding to LANL and INEEL and the approval of a supplemental proposal to include Wyoming in much of the GIS data sets, analysis, and related materials. The deliverables are discussed in the following sections and greater details are provided in the materials that are attached to this report. In August 2004, a presentation was made to Pioneer Hi-Bred, discussing the Partnership and the synergies with terrestrial sequestration, agricultural industries, and ongoing, complimentary USDA efforts. The Partnership organized a Carbon session at the INRA 2004 Environmental and Subsurface Science Symposium in September 2004; also in September, a presentation was made to the Wyoming Carbon Sequestration Advisory Committee, followed up with a roundtable discussion.

  15. Review of the WECC EDT phase 2 EIM benefits analysis and results report.

    SciTech Connect (OSTI)

    Veselka, T.D.; Poch, L.A.; Botterud, A.

    2012-04-05

    A region-wide Energy Imbalance Market (EIM) was recently proposed by the Western Electricity Coordinating Council (WECC). In order for the Western Area Power Administration (Western) to make more informed decisions regarding its involvement in the EIM, Western asked Argonne National Laboratory (Argonne) to review the EIM benefits study (the October 2011 revision) performed by Energy and Environmental Economics, Inc. (E3). Key components of the E3 analysis made use of results from a study conducted by the National Renewable Energy Laboratory (NREL); therefore, we also reviewed the NREL work. This report examines E3 and NREL methods and models used in the EIM study. Estimating EIM benefits is very challenging because of the complex nature of the Western Interconnection (WI), the variability and uncertainty of renewable energy resources, and the complex decisions and potentially strategic bidding of market participants. Furthermore, methodologies used for some of the more challenging aspects of the EIM have not yet matured. This review is complimentary of several components of the EIM study. Analysts and modelers clearly took great care when conducting detailed simulations of the WI using well-established industry tools under stringent time and budget constraints. However, it is our opinion that the following aspects of the study and the interpretation of model results could be improved upon in future analyses. The hurdle rate methodology used to estimate current market inefficiencies does not directly model the underlying causes of sub-optimal dispatch and power flows. It assumes that differences between historical flows and modeled flows can be attributed solely to market inefficiencies. However, flow differences between model results and historical data can be attributed to numerous simplifying assumptions used in the model and in the input data. We suggest that alternative approaches be explored in order to better estimate the benefits of introducing market structures like the EIM. In addition to more efficient energy transactions in the WI, the EIM would reduce the amount of flexibility reserves needed to accommodate forecast errors associated with variable production from wind and solar energy resources. The modeling approach takes full advantage of variable resource diversity over the entire market footprint, but the projected reduction in flexibility reserves may be overly optimistic. While some reduction would undoubtedly occur, the EIM is only an energy market and would therefore not realize the same reduction in reserves as an ancillary services market. In our opinion the methodology does not adequately capture the impact of transmission constraints on the deployment of flexibility reserves. Estimates of flexibility reserves assume that forecast errors follow a normal distribution. Improved estimates could be obtained by using other probability distributions to estimate up and down reserves to capture the underlying uncertainty of these resources under specific operating conditions. Also, the use of a persistence forecast method for solar is questionable, because solar insolation follows a deterministic pattern dictated by the sun's path through the sky. We suggest a more rigorous method for forecasting solar insolation using the sun's relatively predictable daily pattern at specific locations. The EIM study considered only one scenario for hydropower resources. While this scenario is within the normal range over the WI footprint, it represents a severe drought condition in the Colorado River Basin from which Western schedules power. Given hydropower's prominent role in the WI, we recommend simulating a range of hydropower conditions since the relationship between water availability and WI dispatch costs is nonlinear. Also, the representation of specific operational constraints faced by hydropower operators in the WI needs improvements. The model used in the study cannot fully capture all of the EIM impacts and complexities of power system operations. In particular, a primary benefit of the EIM is a shorter dispatch interval; namely, 5 minutes. However, the model simulates the dispatch hourly. Therefore it cannot adequately measure the benefits of a more frequent dispatch. A tool with a finer time resolution would significantly improve simulation accuracy. When the study was conducted, the rules for the EIM were not clearly defined and it was appropriate to estimate societal benefits of the EIM assuming a perfect market without a detailed specification of the market design. However, incorporating a more complete description of market rules will allow for better estimates of EIM benefits. Furthermore, performing analyses using specific market rules can identify potential design flaws that may be difficult and expensive to correct after the market is established. Estimated cost savings from a more efficient dispatch are less than one percent of the total cost of electricity production.

  16. Technical Review Report for the Safety Analysis Report for Packaging Model 9977 S-SARP-G-00001 Revision 2

    SciTech Connect (OSTI)

    DiSabatino, A; Hafner, R; West, M

    2007-10-04

    This Technical Review Report (TRR) summarizes the review findings for the Safety Analysis Report for Packaging (SARP) for the Model 9977 B(M)F-96 shipping container. The content analyzed for this submittal is Content Envelope C.1, Heat Sources, in assemblies of Radioisotope Thermoelectric Generators or food-pack cans. The SARP under review, i.e., S-SARP-G-00001, Revision 2 (August 2007), was originally referred to as the General Purpose Fissile Material Package. The review presented in this TRR was performed using the methods outlined in Revision 3 of the Department of Energy's (DOE's) Packaging Review Guide (PRG) for Reviewing Safety Analysis Reports for Packages. The format of the SARP follows that specified in Revision 2 of the Nuclear Regulatory Commission's, Regulatory Guide 7.9, i.e., Standard Format and Content of Part 71 Applications for Approval of Packages for Radioactive Material. Although the two documents are similar in their content, they are not identical. Formatting differences have been noted in this TRR, where appropriate. The Model 9977 Package is a 35-gallon drum package design that has evolved from a family of packages designed by DOE contractors at the Savannah River Site. The Model 9977 Package design includes a single, 6-inch diameter, stainless steel pressure vessel containment system (i.e., the 6CV) that was designed and fabricated in accordance with Section III, Subsection NB, of the American Society of Mechanical Engineers Boiler & Pressure Vessel Code. The earlier package designs, i.e., the Model 9965, 9966, 9967 and 9968 Packages, were originally designed and certified in the 1980s. In the 1990s, updated package designs that incorporated design features consistent with new safety requirements, based on International Atomic Energy Agency guidelines, were proposed. The updated package designs were the Model 9972, 9973, 9974 and 9975 Packages, respectively. The Model 9975 Package was certified by the Packaging Certification Program, under the Office of Safety Management and Operations. Differences between the Model 9975 Package and the Model 9977 Package include: (1) The lead shield present in the Model 9975 Package is absent in the Model 9977 Package; (2) The Model 9975 Package has eight allowable contents, while the Model 9977 Package has a single allowable content. (3) The 6CV of the Model 9977 Package is similar in design to the outer Containment Vessel of the Model 9975 Package that also incorporates a 5-inch Containment Vessel as the inner Containment Vessel. (4) The Model 9975 Package uses a Celotex{reg_sign}-based impact limiter while the Model 9977 Package uses Last-A-Foam{reg_sign}, a polyurethane foam, for the impact limiter. (5) The Model 9975 Package has two Containment Vessels, while the Model 9977 Package has a single Containment Vessel.

  17. Technical Review Report for the Model 9978-96 Package Safety Analysis Report for Packaging (S-SARP-G-00002, Revision 1, March 2009)

    SciTech Connect (OSTI)

    West, M

    2009-03-06

    This Technical Review Report (TRR) documents the review, performed by Lawrence Livermore National Laboratory (LLNL) Staff, at the request of the Department of Energy (DOE), on the 'Safety Analysis Report for Packaging (SARP), Model 9978 B(M)F-96', Revision 1, March 2009 (S-SARP-G-00002). The Model 9978 Package complies with 10 CFR 71, and with 'Regulations for the Safe Transport of Radioactive Material-1996 Edition (As Amended, 2000)-Safety Requirements', International Atomic Energy Agency (IAEA) Safety Standards Series No. TS-R-1. The Model 9978 Packaging is designed, analyzed, fabricated, and tested in accordance with Section III of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code (ASME B&PVC). The review presented in this TRR was performed using the methods outlined in Revision 3 of the DOE's 'Packaging Review Guide (PRG) for Reviewing Safety Analysis Reports for Packages'. The format of the SARP follows that specified in Revision 2 of the Nuclear Regulatory Commission's Regulatory Guide 7.9, i.e., 'Standard Format and Content of Part 71 Applications for Approval of Packages for Radioactive Material'. Although the two documents are similar in their content, they are not identical. Formatting differences have been noted in this TRR, where appropriate. The Model 9978 Packaging is a single containment package, using a 5-inch containment vessel (5CV). It uses a nominal 35-gallon drum package design. In comparison, the Model 9977 Packaging uses a 6-inch containment vessel (6CV). The Model 9977 and Model 9978 Packagings were developed concurrently, and they were referred to as the General Purpose Fissile Material Package, Version 1 (GPFP). Both packagings use General Plastics FR-3716 polyurethane foam as insulation and as impact limiters. The 5CV is used as the Primary Containment Vessel (PCV) in the Model 9975-96 Packaging. The Model 9975-96 Packaging also has the 6CV as its Secondary Containment Vessel (SCV). In comparison, the Model 9975 Packagings use Celotex{trademark} for insulation and as impact limiters. To provide a historical perspective, it is noted that the Model 9975-96 Packaging is a 35-gallon drum package design that has evolved from a family of packages designed by DOE contractors at the Savannah River Site. Earlier package designs, i.e., the Model 9965, the Model 9966, the Model 9967, and the Model 9968 Packagings, were originally designed and certified in the early 1980s. In the 1990s, updated package designs that incorporated design features consistent with the then-newer safety requirements were proposed. The updated package designs at the time were the Model 9972, the Model 9973, the Model 9974, and the Model 9975 Packagings, respectively. The Model 9975 Package was certified by the Packaging Certification Program, under the Office of Safety Management and Operations. The Model 9978 Package has six Content Envelopes: C.1 ({sup 238}Pu Heat Sources), C.2 ( Pu/U Metals), C.3 (Pu/U Oxides, Reserved), C.4 (U Metal or Alloy), C.5 (U Compounds), and C.6 (Samples and Sources). Per 10 CFR 71.59 (Code of Federal Regulations), the value of N is 50 for the Model 9978 Package leading to a Criticality Safety Index (CSI) of 1.0. The Transport Index (TI), based on dose rate, is calculated to be a maximum of 4.1.