National Library of Energy BETA

Sample records for a-2 b-9 o-1

  1. Appendix B-9

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    APPENDIX B-9 STANDARD TERMS AND CONDITIONS FOR Cost Type Subcontracts With Educational Institutions JULY 11, 2014 Subcontractor is hereby placed on notice that the contracting party to this subcontract is the Alliance for Sustainable Energy, LLC, in its capacity as the Managing and Operating Contractor for the National Renewable Energy Laboratory (NREL) under the U.S. Department of Energy Contract No. DE- AC36-08GO28308. All references to "NREL" in this subcontract shall mean the

  2. B9 Energy O M Ltd | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    O M Ltd Jump to: navigation, search Name: B9 Energy (O&M) Ltd Place: Larne, United Kingdom Zip: BT40 2SF Sector: Services, Wind energy Product: Operates and maintains wind farms...

  3. Transition-Metal-Centered Nine-Membered Boron Rings: M©B 9 and...

    Office of Scientific and Technical Information (OSTI)

    We report the observation of two transition-metal-centered nine-atom boron rings, RhB9 - and IrB9-. These two doped-boron clusters are produced in a laser-vaporization ...

  4. b9.pdf

    Energy Information Administration (EIA) (indexed site)

    67,338 4,034 6,445 9,127 10,866 11,840 13,931 11,094 Building Floorspace (Square Feet) 1,001 to 5,000 .............................................. 6,774 655 798 1,025 928 1,056 1,153 1,159 5,001 to 10,000 ............................................ 8,238 791 776 1,777 1,165 1,392 1,150 1,188 10,001 to 25,000 .......................................... 11,153 972 1,504 1,488 1,267 2,045 2,767 1,110 25,001 to 50,000 .......................................... 9,311 489 673 1,343 1,987 1,587 1,594

  5. b9.xls

    Energy Information Administration (EIA) (indexed site)

    64,783 3,769 6,871 7,045 8,101 10,772 10,332 12,360 5,533 Building Floorspace (Square Feet) 1,001 to 5,000 ................................... 6,789 490 796 860 690 966 1,149 1,324 515 5,001 to 10,000 ................................. 6,585 502 827 643 865 1,332 721 1,209 486 10,001 to 25,000 ............................... 11,535 804 988 1,421 1,460 1,869 1,647 2,388 958 25,001 to 50,000 ............................... 8,668 677 838 935 1,234 1,720 1,174 1,352 739 50,001 to 100,000

  6. Microvesicles released constitutively from prostate cancer cells differ biochemically and functionally to stimulated microvesicles released through sublytic C5b-9

    SciTech Connect

    Stratton, Dan; Moore, Colin; Antwi-Baffour, Samuel; Lange, Sigrun; Inal, Jameel

    2015-05-08

    We have classified microvesicles into two subtypes: larger MVs released upon stimulation of prostate cancer cells, sMVs, and smaller cMVs, released constitutively. cMVs are released as part of cell metabolism and sMVs, released at 10-fold higher levels, produced upon activation, including sublytic C5b-9. From electron microscopy, nanosight tracking analysis, dynamic light scattering and flow cytometry, cMVs (194–210 nm in diameter) are smaller than sMVs (333–385 nm). Furthermore, using a Quartz Crystal Microbalance measuring changes in resonant frequency (Δf) that equate to mass deposited on a sensor, an sMV and a cMV are estimated at 0.267 and 0.241 pg, respectively. sMVs carry more calcium and protein, express higher levels of lipid rafts, GPI-anchored CD55 and phosphatidylserine including deposited C5b-9 compared to cMVs. This may allude to biological differences such as increased bound C4BP on sMVs inhibiting complement more effectively. - Highlights: • Prostate cells release microvesicles constitutively (cMVs) or upon stimulus (sMVs). • sMVs are larger than cMVs and carry more protein, lipid rafts and surface PstSer. • sMVs inhibit complement more effectively than cMVs.

  7. B9 Energy Group | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    United Kingdom Zip: BT40 2SF Sector: Renewable Energy Product: Service provider and consultor to owners and developers of renewable energy assets. Coordinates: 54.85114,...

  8. 5(b)/9(c) Record of Decision

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    of the limit. See NRP080005, at 2-3. Evaluation and Decision: BPA acknowledges that a literal reading of the calculation method referenced in Seattle et al.'s comment is...

  9. 5(b)/9(c) Final Revised Policy

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    of electric power that a customer acquires from an identified or unidentified electricity-producing unit or units by contract purchase, and for which the amount received by...

  10. Attachment A2

    Office of Environmental Management (EM)

    A2 GEOLOGIC REPOSITORY Waste Isolation Pilot Plant Hazardous Waste Permit October 2013 (This page intentionally blank) Waste Isolation Pilot Plant Hazardous Waste Permit October ...

  11. Method for estimating ionicities of oxides using O1s photoelectron spectra

    SciTech Connect

    Wu, L. Q.; Li, Z. Z.; Tang, G. D. Qi, W. H.; Xue, L. C.; Ge, X. S.; Ding, L. L.; Li, Y. C.; Li, S. Q.

    2015-09-15

    The average valence, V{sub alO}, of the oxygen anions in the perovskite oxide BaTiO{sub 3}, was found using O1s photoelectron spectra to be −1.55. This experimental result is close to the theoretical value for BaTiO{sub 3} (−1.63) calculated by Cohen [Nature 358, 136 (1992)] using density functional theory. Using the same approach, we obtained values of V{sub alO} for several monoxides, and investigated the dependence of V{sub alO} and the ionicity on the second ionization energy, V(M{sup 2+}), of the metal cation. We found that the dependence of the ionicity on V(M{sup 2+}) in this work is close to that reported by Phillips [Rev. Mod. Phys. 42, 317 (1970)]. We therefore suggest that O1s photoelectron spectrum measurements should be accepted as a general experimental method for estimating the ionicity and average valence of oxygen anions.

  12. Structural characterization of CalO1: a putative orsellinic acid methyltransferase in the calicheamicin-biosynthetic pathway

    SciTech Connect

    Chang, Aram; Singh, Shanteri; Bingman, Craig A.; Thorson, Jon S.; Phillips, George N. Jr

    2011-03-01

    The structural characterization of CalO1 is reported. The X-ray structure determination at 2.4 Å resolution of the putative orsellinic acid C3 O-methyltransferase (CalO1) involved in calicheamicin biosynthesis is reported. Comparison of CalO1 with a homology model of the functionally related calicheamicin orsellinic acid C2 O-methyltransferase (CalO6) implicates several residues that are likely to contribute to the regiospecificity of alkylation. Consistent with the proposed requirement of an acyl-carrier-protein-bound substrate, this structural study also reveals structural determinants within CalO1 that are anticipated to accommodate an association with an acyl carrier protein.

  13. Single-vortex pinning and penetration depth in superconducting NdFeAsO1-xFx

    DOE PAGES [OSTI]

    Zhang, Jessie T.; Kim, Jeehoon; Huefner, Magdalena; Ye, Cun; Kim, Stella; Canfield, Paul C.; Prozorov, Ruslan; Auslaender, Ophir M.; Hoffman, Jennifer E.

    2015-10-12

    We use a magnetic force microscope (MFM) to investigate single vortex pinning and penetration depth in NdFeAsO1-xFx, one of the highest-Tc iron-based superconductors. In fields up to 20 Gauss, we observe a disordered vortex arrangement, implying that the pinning forces are stronger than the vortex-vortex interactions. We measure the typical force to depin a single vortex, Fdepin ≃ 4.5 pN, corresponding to a critical current up to Jc ≃ 7×105 A/cm2. As a result, our MFM measurements allow the first local and absolute determination of the superconducting in-plane penetration depth in NdFeAsO1-xFx, λab = 320 ± 60 nm, which ismore » larger than previous bulk measurements.« less

  14. 5(b)9(c) Administrator's Record of Decision, May 2000

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ... 123 10. Section 10. Consumer-Owned and Independent Power Producer-Owned Resources ... 131 11. Section 11. BPA Notification...

  15. B9 Energy Offshore Developments Ltd | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Kingdom Zip: BT40 2SF Sector: Wind energy Product: Established in 2002 to develop the offshore wind energy potential in Northern Ireland. Coordinates: 54.85114, -5.823019...

  16. Semi-synthetic preparation of 1-O-(1'-/sup 14/C)hexadecyl-2-acetyl-sn-glycero-3-phosphocholine (platelet activating factor) using plant cell cultures

    SciTech Connect

    Weber, N.; Mangold, H.K.

    1985-04-01

    Incubation of photomixotrophic cell suspension cultures of rape (Brassica napus) and heterotrophic cell suspension cultures of soya (Glycine max) with 1-O-(1'-/sup 14/C)hexadecyl-sn-glycerol or rac-1-O-(1'-/sup 14/C)hexadecylglycerol leads in high yield (up to 78%) to labeled 1-O-hexadecyl-2-acyl-sn-glycero-3-phosphocholines. Alkaline hydrolysis of the choline glycerophospholipids yields pure 1-O-(1'-/sup 14/C)hexadecyl-sn-glycero-3-phosphocholine. 1-O-(1'-14C)Hexadecyl-2-acetyl-sn-glycero-3-phosphocholine (platelet activating factor) is obtained by acetylating the lyso compound. The semi-synthetic preparation described leads to labeled platelet activating factor in an overall yield of 50-60% without loss of specific activity.

  17. Th1A.2.pdf

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Th1A.2.pdf OFC 2015 © OSA 2015 WAN Virtualization and Dynamic End-to-End Bandwidth Provisioning Using SDN Adrian Lara 1 , Byrav Ramamurthy 1 , Eric Pouyoul 2 and Inder Monga 2 1 University of Nebraska-Lincoln, Lincoln NE 68504 {alara,byrav}@cse.unl.edu 2 Energy Science Network, Lawrence Berkeley National Laboratory, Berkeley CA 94720 {lomax,imonga}@es.net Abstract: We evaluate a WAN-virtualization framework in terms of delay and scalability and demonstrate that adding a virtual layer between

  18. Dynamics of oxygen Rydberg atom generation following O 1s inner-shell excitation of H{sub 2}O

    SciTech Connect

    Gejo, T. Ikegami, T.; Honma, K.; Takahashi, O.; Shigemasa, E.; Hikosaka, Y.; Tamenori, Y.

    2014-06-07

    The emission of low-energy electrons from H{sub 2}O has been investigated at photon excitation energies in the vicinity of the O 1s ionization threshold. Neutral oxygen Rydberg atoms (O*) were found to form, and the correlation between the initial inner-shell excited state of H{sub 2}O and the Rydberg state of O* was determined. The initially excited electron in a Rydberg orbital is shown to remain associated with O* even after the cleavage of two O-H bonds. We also show that the energy discrepancy between two Rydberg states of H{sub 2}O and O* can be explained by the influence of the post-collision interaction, which becomes stronger as the excitation energy approaches the 1s ionization threshold.

  19. Scanning the landscape of genome architecture of non-O1 and non-O139 Vibrio cholerae by whole genome mapping reveals extensive population genetic diversity

    DOE PAGES [OSTI]

    Chapman, Carol; Henry, Matthew; Bishop-Lilly, Kimberly A.; Awosika, Joy; Briska, Adam; Ptashkin, Ryan N.; Wagner, Trevor; Rajanna, Chythanya; Tsang, Hsinyi; Johnson, Shannon L.; et al

    2015-03-20

    Historically, cholera outbreaks have been linked to V. cholerae O1 serogroup strains or its derivatives of the O37 and O139 serogroups. A genomic study on the 2010 Haiti cholera outbreak strains highlighted the putative role of non O1/non-O139 V. cholerae in causing cholera and the lack of genomic sequences of such strains from around the world. Here we address these gaps by scanning a global collection of V. cholerae strains as a first step towards understanding the population genetic diversity and epidemic potential of non O1/non-O139 strains. Whole Genome Mapping (Optical Mapping) based bar coding produces a high resolution, orderedmore » restriction map, depicting a complete view of the unique chromosomal architecture of an organism. To assess the genomic diversity of non-O1/non-O139 V. cholerae, we applied a Whole Genome Mapping strategy on a well-defined and geographically and temporally diverse strain collection, the Sakazaki serogroup type strains. Whole Genome Map data on 91 of the 206 serogroup type strains support the hypothesis that V. cholerae has an unprecedented genetic and genomic structural diversity. Interestingly, we discovered chromosomal fusions in two unusual strains that possess a single chromosome instead of the two chromosomes usually found in V. cholerae. We also found pervasive chromosomal rearrangements such as duplications and indels in many strains. The majority of Vibrio genome sequences currently in public databases are unfinished draft sequences. The Whole Genome Mapping approach presented here enables rapid screening of large strain collections to capture genomic complexities that would not have been otherwise revealed by unfinished draft genome sequencing and thus aids in assembling and finishing draft sequences of complex genomes. Furthermore, Whole Genome Mapping allows for prediction of novel V. cholerae non-O1/non-O139 strains that may have the potential to cause future cholera outbreaks.« less

  20. A2Wind Limited | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Startup with strong capability in carbon fibre design targeting the wind turbine blade space. References: A2Wind Limited1 This article is a stub. You can help OpenEI by...

  1. Microsoft Word - table_A2.doc

    Energy Information Administration (EIA) (indexed site)

    195 19 4 Figure A1. Natural gas processing plant capacity in the United States, 2014 2014 Table A2. Natural gas processing plant capacity, by state, 2014 (million cubic feet per ...

  2. Application of high-resolution photoelectron spectroscopy: Vibrational resolved C 1s and O 1s spectra of CO adsorbed on Ni(100)

    SciTech Connect

    Foehlisch, A.; Nilsson, A.; Martensson, N.

    1997-04-01

    There are various effects which determine the line shape of a core-level electron spectrum. These are due to the finite life-time of the core hole, inelastic scattering of the outgoing photoelectron, electronic shake-up and shake-off processes and vibrational excitations. For free atoms and molecules the different contributions to the observed line shapes can often be well separated. For solids, surfaces and adsorbates the line shapes are in general much broader and it has in the past been assumed that no separation of the various contributions can be made. In the present report the authors will show that this is indeed not the case. Surprisingly, the vibrational fine structure of CO adsorbed on Ni(100) can be resolved in the C 1s and O 1s electron spectra. This was achieved by the combination of highly monochromatized soft X-rays from B18.0 with a high resolution Scienta 200 mm photoelectron spectrometer. X-ray photoelectron spectroscopy (XPS) with tunable excitation energy yields as a core level spectroscopy atomic and site-specific information. The presented measurements allow for a determination of internuclear distances and potential energy curves in corehole ionized adsorbed molecules. The authors analysis of the c(2x2) phase CO/Ni(100) on {open_quotes}top{close_quotes} yielded a vibrational splitting of 217 +/- 2 meV for C 1s ionization. For O 1s ionization a splitting of 173 +/- 8 meV was found.

  3. Structural and optical properties of Ga{sub 2}O{sub 3}:In films deposited on MgO (1 0 0) substrates by MOCVD

    SciTech Connect

    Kong Lingyi; Ma Jin; Luan Caina; Zhu Zhen

    2011-08-15

    Ga{sub 2}O{sub 3}:In films with different indium (In) content x [x=In/(Ga+In) atomic ratio] have been deposited on MgO (1 0 0) substrates by metalorganic chemical vapor deposition (MOCVD). Structural analyses revealed that the film deposited with actual In content (x') of 0.09 was an epitaxial film and the films with x'=0.18 and 0.37 had mixed-phase structures of monoclinic Ga{sub 2}O{sub 3} and bixbyite In{sub 2}O{sub 3}. The absolute average transmittance of the obtained films in the visible region exceeded 95%, and the band gap was in the range of 4.74-4.87 eV. Photoluminescence (PL) measurements were performed at room temperature, in which the visible luminescences were strong and could be seen by the naked eye. The strong emissions in the visible light region were proposed to originate from the gallium vacancies, oxygen deficiencies and other defects in these films. - Graphical abstract: Low magnification XTEM (a), HRTEM (b) and SAED (c) micrographs of the interface area between Ga{sub 1.82}In{sub 0.18}O{sub 3} film and MgO substrate have showed the Ga{sub 1.82}In{sub 0.18}O{sub 3} is an epitaxial film. Highlights: > Ga{sub 1.82}In{sub 0.18}O{sub 3} epitaxial film was deposited on MgO(1 0 0) substrate. > The transmittance of the Ga{sub 2}O{sub 3}:In films in the visible region exceeded 95%. > Strong emissions were observed in the photoluminescence measurements of the films.

  4. Materials Data on B9H11 (SG:56) by Materials Project

    DOE Data Explorer

    Kristin Persson

    2014-11-02

    Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations

  5. Materials Data on B9H8S (SG:14) by Materials Project

    DOE Data Explorer

    Kristin Persson

    2014-11-02

    Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations

  6. Transition-Metal-Centered Nine-Membered Boron Rings: M©B 9 and...

    Office of Scientific and Technical Information (OSTI)

    obtain a copy of this journal article from the publisher. Find in Google Scholar Find in Google Scholar Search WorldCat Search WorldCat to find libraries that may hold this journal

  7. File:FormA2.pdf | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    FormA2.pdf Jump to: navigation, search File File history File usage File:FormA2.pdf Size of this preview: 463 599 pixels. Other resolution: 464 600 pixels. Full resolution...

  8. A2BE Carbon Capture LLC | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Logo: A2BE Carbon Capture LLC Name: A2BE Carbon Capture LLC Address: 2301 Panorama Ave Place: Boulder, Colorado Zip: 80304 Region: Rockies Area Sector: Biofuels Product:...

  9. Categorical Exclusion Determinations: A2 | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    A2 Categorical Exclusion Determinations: A2 Existing Regulations A2: Clarifying or administrative contract actions Contract interpretations, amendments, and modifications that are clarifying or administrative in nature. DOCUMENTS AVAILABLE FOR DOWNLOAD April 2, 2014 CX-012110: Categorical Exclusion Determination Cowlitz Falls Fish Facility Access Agreement Extension CX(s) Applied: A2 Date: 04/02/2014 Location(s): Washington Offices(s): Bonneville Power Administration October 1, 2012 CX-009195:

  10. Structure and function of lysosomal ;#8203;phospholipase A2 and...

    Office of Scientific and Technical Information (OSTI)

    function of lysosomal ;8203;phospholipase A2 and ;8203;lecithin:cholesterol acyltransferase Citation Details In-Document Search Title: Structure and function of lysosomal...

  11. Hawaii Revised Statute 523A-2, Definition of Mineral Resources...

    OpenEI (Open Energy Information) [EERE & EIA]

    Not provided DOI Not Provided Check for DOI availability: http:crossref.org Online Internet link for Hawaii Revised Statute 523A-2, Definition of Mineral Resources Citation...

  12. A2E High Fidelity Modeling: Strategic Planning Meetings

    SciTech Connect

    Barone, Matthew F.; Hammond, Steven; Sprague, Michael; Womble, David E.

    2015-10-01

    This report documents the combined work of the two meetings and serves as a key part of the foundation for the A2e/HFM effort for predictive modeling of whole wind plant physics.

  13. A2e High Fidelity Modeling: Strategic Planning Meetings

    SciTech Connect

    Hammond, Steven W.; Sprague, Michael A.; Womble, David; Barone, Matt

    2015-11-01

    Atmosphere to electrons (A2e) is a multi-year U.S. Department of Energy (DOE) research initiative targeting significant reductions in the cost of wind energy through an improved understanding of the complex physics governing wind flow into and through whole wind farms. Better insight into the flow physics of large multi-turbine arrays will address the plant-level energy losses, is likely to reduce annual operational costs by hundreds of millions of dollars, and will improve project financing terms to more closely resemble traditional capital projects. In support of this initiative, two planning meetings were convened, bringing together professionals from universities, national laboratories, and industry to discuss wind plant modeling challenges, requirements, best practices, and priorities. This report documents the combined work of the two meetings and serves as a key part of the foundation for the A2e/HFM effort for predictive modeling of whole wind plant physics.

  14. LARGE PARTICLES IN ACTIVE ASTEROID P/2010 A2

    SciTech Connect

    Jewitt, David; Ishiguro, Masateru; Agarwal, Jessica

    2013-02-10

    The previously unknown asteroid P/2010 A2 rose to prominence in 2010 by forming a transient, comet-like tail consisting of ejected dust. The observed dust production was interpreted as the result of either a hypervelocity impact with a smaller body or a rotational disruption. We have re-observed this object, finding that large particles remain a full orbital period after the initial outburst. In the intervening years, particles smaller than {approx}3 mm in radius have been dispersed by radiation pressure, leaving only larger particles in the trail. Since the total mass is dominated by the largest particles, the radiation pressure filtering allows us to obtain a more reliable estimate of the debris mass than was previously possible. We find that the mass contained in the debris is {approx}5 Multiplication-Sign 10{sup 8} kg (assumed density 3000 kg m{sup -3}), the ratio of the total debris mass to the nucleus mass is {approx}0.1, and that events like P/2010 A2 contribute <3% to the Zodiacal dust production rate. Physical properties of the nucleus and debris are also determined.

  15. Performances of YBaCo1.4Cu0.6O5+δ–Ce0.8Sm0.2O1.9 composite cathodes for intermediate-temperature solid oxide fuel cells

    DOE PAGES [OSTI]

    Wang, Lizhong; Peng, Lu; Hu, Michael Z.; Lü, Shiquan; Meng, Xiangwei; Yu, Bo; Wei, Maobin; Fan, Hougang; Yang, Lili

    2015-08-20

    In this paper, the electrochemical properties of YBaCo1.4Cu0.6O5+δ–xCe0.8Sm0.2O1.9 (YBCC–xSDC, x=20, 30, 40, 50 wt%) have been investigated for the potential application in intermediate-temperature solid oxide fuel cells (IT-SOFCs). No chemical reactions between YBCC cathode and SDC electrolyte, and YBCC and La0.9Sr0.1Ga0.8Mg0.2O3-δ (LSGM) occur. The thermal expansion coefficient (TEC) of YBCC cathode decreases with SDC addition. The TEC of YBCC–30SDC cathode is 13.60×10–6 K-1 from 30 to 850 °C in air and it exhibits the best electrochemical performance among the YBCC–xSDC cathodes. The polarization resistance (Rp) of YBCC–30SDC is 0.027 Ω cm2 at 850 °C, 0.044 Ω cm2 at 800 °Cmore » and 0.075 Ω cm2 at 750 °C. The maximum power density value of electrolyte-based cell with YBCC–30SDC cathode is 662, 483 and 319 mW cm-2 at 850, 800 and 750 °C, respectively. Finally, preliminary results indicate that YBCC–30SDC is especially promising as a cathode for IT-SOFCs.« less

  16. The 10B(7Be, 8B)9Be Reaction and the Astrophysical S17(0) Factor

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    performance required. The shielding proposed is based on concrete blocks, borated polyethylene and lead. The beam dump will be located in vacuum and the vacuum pipe will be...

  17. A 2D Radiation Transport Package with Mimetic Diffusion for ExaFlag...

    Office of Scientific and Technical Information (OSTI)

    A 2D Radiation Transport Package with Mimetic Diffusion for ExaFlag Citation Details In-Document Search Title: A 2D Radiation Transport Package with Mimetic Diffusion for ExaFlag ...

  18. A 2D Radiation Transport Package with Mimetic Diffusion for ExaFlag...

    Office of Scientific and Technical Information (OSTI)

    A 2D Radiation Transport Package with Mimetic Diffusion for ExaFlag Citation Details In-Document Search Title: A 2D Radiation Transport Package with Mimetic Diffusion for ExaFlag...

  19. Human Cytochrome P450 21A2, the Major Steroid 21-Hydroxylase...

    Office of Scientific and Technical Information (OSTI)

    Human Cytochrome P450 21A2, the Major Steroid 21-Hydroxylase: Structure of the Enzyme ... Citation Details In-Document Search Title: Human Cytochrome P450 21A2, the Major Steroid ...

  20. External Merit Review for the Atmosphere to Electrons (A2e) Initiative |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy External Merit Review for the Atmosphere to Electrons (A2e) Initiative External Merit Review for the Atmosphere to Electrons (A2e) Initiative The Atmosphere to Electrons (A2e) Initiative within the U.S. Department of Energy's (DOE) Office of Energy Efficiency and Renewable Energy held an External Merit Review in Washington, DC, on February 4-5, 2014. The External Review Panel reviewed the current program planning and provided suggestions on the formulation of A2e

  1. Table A2. Refiner/Reseller Prices of Aviation Fuels, Propane...

    Annual Energy Outlook

    Marketing Annual 1999 421 Table A2. RefinerReseller Prices of Aviation Fuels, Propane, and Kerosene, by PAD District, 1983-Present (Cents per Gallon Excluding Taxes) -...

  2. Table A2. Refiner/Reseller Prices of Aviation Fuels, Propane...

    Annual Energy Outlook

    Marketing Annual 1995 467 Table A2. RefinerReseller Prices of Aviation Fuels, Propane, and Kerosene, by PAD District, 1983-Present (Cents per Gallon Excluding Taxes) -...

  3. Evolution of mitochondrial cell death pathway: Proapoptotic role of HtrA2/Omi in Drosophila

    SciTech Connect

    Igaki, Tatsushi; Suzuki, Yasuyuki; Tokushige, Naoko; Aonuma, Hiroka; Takahashi, Ryosuke . E-mail: ryosuket@kuhp.kyoto-u.ac.jp; Miura, Masayuki . E-mail: miura@mol.f.u-tokyo.ac.jp

    2007-05-18

    Despite the essential role of mitochondria in a variety of mammalian cell death processes, the involvement of mitochondrial pathway in Drosophila cell death has remained unclear. To address this, we cloned and characterized DmHtrA2, a Drosophila homolog of a mitochondrial serine protease HtrA2/Omi. We show that DmHtrA2 normally resides in mitochondria and is up-regulated by UV-irradiation. Upon receipt of apoptotic stimuli, DmHtrA2 is translocated to extramitochondrial compartment; however, unlike its mammalian counterpart, the extramitochondrial DmHtrA2 does not diffuse throughout the cytosol but stays near the mitochondria. RNAi-mediated knock-down of DmHtrA2 in larvae or adult flies results in a resistance to stress stimuli. DmHtrA2 specifically cleaves Drosophila inhibitor-of-apoptosis protein 1 (DIAP1), a cellular caspase inhibitor, and induces cell death both in vitro and in vivo as potent as other fly cell death proteins. Our observations suggest that DmHtrA2 promotes cell death through a cleavage of DIAP1 in the vicinity of mitochondria, which may represent a prototype of mitochondrial cell death pathway in evolution.

  4. Submit a Public Comment on The Atmosphere to Electrons (A2e) External Merit

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Review Meeting Summary | Department of Energy Submit a Public Comment on The Atmosphere to Electrons (A2e) External Merit Review Meeting Summary Submit a Public Comment on The Atmosphere to Electrons (A2e) External Merit Review Meeting Summary March 5, 2014 - 9:01am Addthis The Atmosphere to Electrons (A2e) Initiative within the U.S. Department of Energy's (DOE) Office of Energy Efficiency and Renewable Energy is a multi-year DOE research initiative targeting significant reductions in the

  5. Induction of cytochromes P450 1A1 and 1A2 by tanshinones in human...

    Office of Scientific and Technical Information (OSTI)

    human HepG2 hepatoma cell line Citation Details In-Document Search Title: Induction of cytochromes P450 1A1 and 1A2 by tanshinones in human HepG2 hepatoma cell line Diterpenoid ...

  6. Table A2. Refiner/Reseller Prices of Aviation Fuels, Propane...

    Gasoline and Diesel Fuel Update

    - W 73.5 See footnotes at end of table. A2. RefinerReseller Prices of Aviation Fuels, Propane, and Kerosene, by PAD District, 1983-Present Energy Information Administration ...

  7. Laboratory and Vehicle Demonstration of a "2nd-Generation" LNT...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    LNT+in-situ SCR Diesel NOx Emission Control Concept Laboratory and Vehicle Demonstration of a "2nd-Generation" LNT+in-situ SCR Diesel NOx Emission Control Concept Experimental ...

  8. Small-Angle Shubnikov-de Haas Measurements in a 2D Electron System...

    Office of Scientific and Technical Information (OSTI)

    Small-Angle Shubnikov-de Haas Measurements in a 2D Electron System: The Effect of a Strong ... Country of Publication: United States Language: English Subject: 36 MATERIALS SCIENCE; ...

  9. 2014 WIND POWER PROGRAM PEER REVIEW-RELIABILITY & A2E

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Reliability and A2e March 24-27, 2014 Wind Energy Technologies PR-5000-62152 2 Contents Reliability and A2e CREW (Continuous Reliability Enhancement for Wind) Database & Analysis Program-Valerie Hines, Sandia National Laboratories Blade Reliability Collaborative Targeted Effects of Manufacturing Defects Aerodynamics and Aeroacoustics-Joshua Paquette, Sandia National Laboratories Gearbox Reliability Collaborative-Jonathan Keller, National Renewable Energy Laboratory Gearbox Failure Database,

  10. A 2-terminal perovskite/silicon multijunction solar cell enabled by a

    Office of Scientific and Technical Information (OSTI)

    silicon tunnel junction (Journal Article) | SciTech Connect Journal Article: A 2-terminal perovskite/silicon multijunction solar cell enabled by a silicon tunnel junction Citation Details In-Document Search Title: A 2-terminal perovskite/silicon multijunction solar cell enabled by a silicon tunnel junction With the advent of efficient high-bandgap metal-halide perovskite photovoltaics, an opportunity exists to make perovskite/silicon tandem solar cells. We fabricate a monolithic tandem by

  11. Impaired osteoblast differentiation in Annexin A2- and -A5-deficient cells

    SciTech Connect

    Genetos, Damian C.; Wong, Alice; Weber, Thomas J.; Karin, Norman J.; Yellowley, Clare E.

    2014-09-15

    Annexins are a class of calcium-binding proteins with diverse functions in the regulation of lipid rafts inflammation,fibrinolysis, transcriptional programming and ion transport. Within bone, they are well-characterized as components of mineralizing matrix vesicles, although little else is known as to their function during osteogenesis. We generated annexin A2 (AnxA2)- or annexin A5 (AnxA5)-knockdown pre-osteoblasts, and asked whether proliferation or osteogenic differentiation was altered in knockdown cells, compared to vector controls. We report that DNA content, a marker of proliferation, was significantly reduced in both AnxA2 and AnxA5 knockdown cells. Alkaline phosphatase expression and staining activity were also suppressed in AnxA2- or AnxA5-knockdown after 14 days of culture. The pattern of osteogenic gene expression was altered in knockdown cells, with Col1a1 expressed more rapidly in knock-down cells, compared to controls. In contrast, Runx2, Ibsp, and Bglap all revealed decreased expression after 14 days of culture. Using a murine fracture model, we demonstrate that AnxA2 and AnxA5 are rapidly expressed within the fracture callus. These data demonstrate that AnxA2 and AnxA5 can influence bone formation via regulation of osteoprogenitor proliferation and differentiation in addition to their well-studied function in matrix vesicles.

  12. Restriction of Receptor Movement Alters Cellular Response: Physical Force Sensing by EphA2

    SciTech Connect

    Salaita, Khalid; Nair, Pradeep M; Petit, Rebecca S; Neve, Richard M; Das, Debopriya; Gray, Joe W; Groves, Jay T

    2009-09-09

    Activation of the EphA2 receptor tyrosine kinase by ephrin-A1 ligands presented on apposed cell surfaces plays important roles in development and exhibits poorly understood functional alterations in cancer. We reconstituted this intermembrane signaling geometry between live EphA2-expressing human breast cancer cells and supported membranes displaying laterally mobile ephrin-A1. Receptor-ligand binding, clustering, and subsequent lateral transport within this junction were observed. EphA2 transport can be blocked by physical barriers nanofabricated onto the underlying substrate. This physical reorganization of EphA2 alters the cellular response to ephrin-A1, as observed by changes in cytoskeleton morphology and recruitment of a disintegrin and metalloprotease 10. Quantitative analysis of receptor-ligand spatial organization across a library of 26 mammary epithelial cell lines reveals characteristic differences that strongly correlate with invasion potential. These observations reveal a mechanism for spatio-mechanical regulation of EphA2 signaling pathways.

  13. Wind Technology Testing Center Earns A2LA Accreditation for Blade Testing |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Earns A2LA Accreditation for Blade Testing Wind Technology Testing Center Earns A2LA Accreditation for Blade Testing October 1, 2012 - 12:16pm Addthis This is an excerpt from the Third Quarter 2012 edition of the Wind Program R&D Newsletter. The Massachusetts Wind Technology Testing Center (WTTC), a joint effort by the U.S. Department of Energy (DOE), the Massachusetts Clean Energy Center, and the National Renewable Energy Laboratory (NREL), was recently accredited

  14. h2o1.0pe-cs.eps

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    and Natural Gas Outlook for Electric Power Supply Association September 21, 2016 | Washington, D.C.

    Global and U.S. Energy Outlook Yale SOM Energy Club September 26, 2016 | New Haven, CT (via teleconference) by Howard Gruenspecht, Deputy Administrator

    Analysis at EIA: Insights and Issues Relevant to Resource Planning for 2016 Annual Seminar on Fuels, Power Markets, and Resource Planning Electric Power Research Institute November 2, 2016 | Washington, DC

    7 Demonstration &

  15. Data:8777236b-9eb8-4857-bc99-0e5a03782fa7 | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    under review by our subject matter experts. Jump to: navigation, search Loading... 1. Basic Information 2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information...

  16. Data:Dc0b9e78-93e5-4718-b979-92bc8c6f8fcd | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    under review by our subject matter experts. Jump to: navigation, search Loading... 1. Basic Information 2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information...

  17. Data:40cb1069-f491-47f3-89ec-8a0b9f637f8e | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    under review by our subject matter experts. Jump to: navigation, search Loading... 1. Basic Information 2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information...

  18. Interim reliability-evaluation program: analysis of the Millstone Point Unit 1 nuclear power plant. Volume IV. Appendix B. 9 through B. 19 and C

    SciTech Connect

    Curry, J J; Gallagher, D W; Modarres, M; Radder, J A

    1983-05-01

    Appendices are presented concerning isolation condenser makeup; vapor suppression system; station air system; reactor building closed cooling water system; turbine building secondary closed water system; service water system; emergency service water system; fire protection system; emergency ac power; dc power system; event probability estimation; methodology of accident sequence quantification; and assignment of dominant sequences to release categories.

  19. Tanker navigation safety standards: Tanker navigation safety research baseline: A study required by section 4111(b)(9) of the Oil Pollution Act of 1990. Final report

    SciTech Connect

    1996-12-31

    The Oil Pollution Act of 1990 directed the Secretary of Transportation to review and incorporate the results of past studies, including studies by the Coast Guard and Office of Technology Assessment (OTA). This literature search and review focuses on materials pertinent to determining or evaluating current and/or `best` practices, and not on the adequacy of current statutes or regulations. In addition, it is not the intention of the report to assess best practices (e.g., suggest the appropriate crew sizes or what navigation equipment should be required on tankers), but to establish the baseline for future study of best practices. The report does not provide answers to new analytical quations, but presents the status of research so that questions addressed previoulsy will not be duplicated by future studies.

  20. Scale Up of Si/Si0.8GE0.2 and B4C/B9C Superlattices for Harvesting...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    More Documents & Publications Quantum Well Thermoelectrics and Waste Heat Recovery Multilayer Thin-Film Thermoelectric Materials for Vehicle Applications High-Efficiency ...

  1. A 2-Terminal Perovskite/Silicon Multijunction Solar Cell Enabled by a Silicon

    Office of Scientific and Technical Information (OSTI)

    http://dx.doi.org/10.1063/1.4914179 A 2-Terminal Perovskite/Silicon Multijunction Solar Cell Enabled by a Silicon Tunnel Junction Jonathan P. Mailoa1t*, Colin D. Bailie2t, Eric C. Johlin1, Eric T. Hoke2, Austin J. Akey1, William H. Nguyen2, Michael D. McGehee2, Tonio Buonassisi1* Massachusetts Institute of technology, Cambridge, MA 02139, USA 2Stanford University, Stanford, CA 94305, USA Corresponding author: ipmailoa@alum.mit.edu, mmcgehee@stanford.edu, buonassisi@mit.edu tThese authors

  2. Progress report on LLTR Series II Test A-2 (Part 1). [LMFBR

    SciTech Connect

    Freede, W.J.; Neely, H.H.

    1980-01-01

    This document contains a complete set of valid and final digital and analog data plots for LLTR Series II, Test A-2. Included is an Accuracy Statement regarding this data as required by Revision 0 of the GE Test Request, Specification No. 23A2062. The Series II, Sodium-Water Reaction Test A-2 was performed in the Large Leak Test Rig (LLTR) at the Energy Technology Engineering Center (ETEC). This was the third of three planned double-edged guillotine (DEG) rupture tests of a single tube which will be followed by a number of small leak tests. The test article is the LLTI which is a full-size diameter internals, shortened in length and prototypic of the CRBR steam generator. It is installed in the Large Leak Test Vessel (LLTV). The overall test program was formulated by General Electric (GE) as Test Requester to establish steam generator design and to verify analytical models/codes to estimate the effect of large leak accidents in an LMFBR demonstration plant steam generator and system.

  3. Summary report on the fuel performance modeling of the AFC-2A, 2B irradiation experiments

    SciTech Connect

    Pavel G. Medvedev

    2013-09-01

    The primary objective of this work at the Idaho National Laboratory (INL) is to determine the fuel and cladding temperature history during irradiation of the AFC-2A, 2B transmutation metallic fuel alloy irradiation experiments containing transuranic and rare earth elements. Addition of the rare earth elements intends to simulate potential fission product carry-over from pyro-metallurgical reprocessing. Post irradiation examination of the AFC-2A, 2B rodlets revealed breaches in the rodlets and fuel melting which was attributed to the release of the fission gas into the helium gap between the rodlet cladding and the capsule which houses six individually encapsulated rodlets. This release is not anticipated during nominal operation of the AFC irradiation vehicle that features a double encapsulated design in which sodium bonded metallic fuel is separated from the ATR coolant by the cladding and the capsule walls. The modeling effort is focused on assessing effects of this unanticipated event on the fuel and cladding temperature with an objective to compare calculated results with the temperature limits of the fuel and the cladding.

  4. DYNAMICS OF LARGE FRAGMENTS IN THE TAIL OF ACTIVE ASTEROID P/2010 A2

    SciTech Connect

    Agarwal, Jessica; Jewitt, David; Weaver, Harold

    2013-05-20

    We examine the motions of large fragments at the head of the dust tail of the active asteroid P/2010 A2. In previous work, we showed that these fragments were ejected from the primary nucleus in early 2009, either following a hypervelocity impact or by rotationally induced breakup. Here, we follow their positions through a series of Hubble Space Telescope images taken during the first half of 2010. The orbital evolution of each fragment allows us to constrain its velocity relative to the main nucleus after leaving its sphere of gravitational influence. We find that the fragments constituting a prominent X-shaped tail feature were emitted in a direction opposite to the motion of the asteroid and toward the south of its orbital plane. Derived emission velocities of these primary fragments range between 0.02 and 0.3 m s{sup -1}, comparable to the {approx}0.08 m s{sup -1} gravitational escape speed from the nucleus. Their sizes are on the order of decimeters or larger. We obtain the best fits to our data with ejection velocity vectors lying in a plane that includes the nucleus. This may suggest that the cause of the disruption of P/2010 A2 is rotational breakup.

  5. Materials experience of the public domain portions of Tube Bank E' during Test Series A2

    SciTech Connect

    Not Available

    1990-06-01

    The tube banks at the Grimethorpe pressurized fluidized bed combustion facility are discussed. Tube Bank E'' was designed for operation as the in bed heat exchanger during Test Series A2 at the Grimethorpe PFBC Establishment between March and November 1987. The supply of the tube bank resulted from an agreement between Foster Wheeler Development Corporation (FWDC), the US Department of Energy, and the Operating Agent for the British Coal/CEGB Joint Programme on PFBC. The tube bank incorporated features, designed to produce acceptable and predictable wastage characteristics, suggested by both FWDC and BCC/CEGB interests. As part of the agreement between the various parties, it was agreed only data from 55% of the tube bank would enter the public domain. This report describes the tube bank, and describes and discusses the public domain wastage results following a total operating period approaching 1450 hours. It is concluded that although conditions varied throughout Test Series A2, there were no major differences in the aggressiveness of the bed. Armouring devices suggested by FWDC were not successful, but their chromised coatings offered promise. The results from UK proprietary parts of the tube bank indicated that the tube bank metal wastage need not be a life limiting problem for PFBC in-bed heat exchangers. 5 refs., 48 figs., 6 tabs.

  6. THE WHITE DWARF COMPANION OF A 2 M{sub sun} NEUTRON STAR

    SciTech Connect

    Bhalerao, Varun B.; Kulkarni, S. R.

    2011-08-10

    We report the optical discovery of the companion to the 2 M{sub sun} millisecond pulsar PSR J1614-2230. The optical colors show that the 0.5 M{sub sun} companion is a 2.2 Gyr old He-CO white dwarf. We infer that M-dot during the accretion phase is <10{sup -2} M-dot{sub edd}. We show that the pulsar was born with a spin close to its current value, well below the rebirth line. The spin-down parameters, the mass of the pulsar, and the age of the system challenge the simple recycling model for the formation of millisecond pulsars.

  7. Vlasov Fluid stability of a 2-D plasma with a linear magnetic field null

    SciTech Connect

    Kim, J.S.

    1984-01-01

    Vlasov Fluid stability of a 2-dimensional plasma near an O type magnetic null is investigated. Specifically, an elongated Z-pinch is considered, and applied to Field Reversed Configurations at Los Alamos National Laboratory by making a cylindrical approximation of the compact torus. The orbits near an elliptical O type null are found to be very complicated; the orbits are large and some are stochastic. The kinetic corrections to magnetohydrodynamics (MHD) are investigated by evaluating the expectation values of the growth rates of a Vlasov Fluid dispersion functional by using a set of trial functions based on ideal MHD. The dispersion functional involves fluid parts and orbit dependent parts. The latter involves phase integral of two time correlations. The phase integral is replaced by the time integral both for the regular and for the stochastic orbits. Two trial functions are used; one has a large displacement near the null and the other away from the null.

  8. Validation of a 2.5D CFD model for cylindrical gas–solids fluidized beds

    DOE PAGES [OSTI]

    Li, Tingwen

    2015-09-25

    The 2.5D model recently proposed by Li et al. (Li, T., Benyahia, S., Dietiker, J., Musser, J., and Sun, X., 2015. A 2.5D computational method to simulate cylindrical fluidized beds. Chemical Engineering Science. 123, 236-246.) was validated for two cylindrical gas-solids bubbling fluidized bed systems. Different types of particles tested under various flow conditions were simulated using the traditional 2D model and the 2.5D model. Detailed comparison against the experimental measurements on solid concentration and velocity were conducted. Comparing to the traditional Cartesian 2D flow simulation, the 2.5D model yielded better agreement with the experimental data especially for the solidmore » velocity prediction in the column wall region.« less

  9. Determination of chemical concentration with a 2 dimensional CCD array in the Echelle grating spectrometer

    SciTech Connect

    Lewis, D.K.; Stevens, C.G.

    1994-11-15

    The Echelle grating spectrometer (EGS) uses a stepped Echelle grating, prisms and a folded light path to miniaturize an infrared spectrometer. Light enters the system through a slit and is spread out along Y by a prism. This light then strikes the grating and is diffracted out along X. This spreading results in a superposition of spectral orders since the grating has a high spectral range. These orders are then separated by again passing through a prism. The end result of a measurement is a 2 dimensional image which contains the folded spectrum of the region under investigation. The data lies in bands from top to bottom, for example, with wavenumber increments as small as 0.1 lying from left to right such that the right end of band N is the same as the left end of band N+1. This is the image which must be analyzed.

  10. Validation of a 2.5D CFD model for cylindrical gas–solids fluidized beds

    SciTech Connect

    Li, Tingwen

    2015-09-25

    The 2.5D model recently proposed by Li et al. (Li, T., Benyahia, S., Dietiker, J., Musser, J., and Sun, X., 2015. A 2.5D computational method to simulate cylindrical fluidized beds. Chemical Engineering Science. 123, 236-246.) was validated for two cylindrical gas-solids bubbling fluidized bed systems. Different types of particles tested under various flow conditions were simulated using the traditional 2D model and the 2.5D model. Detailed comparison against the experimental measurements on solid concentration and velocity were conducted. Comparing to the traditional Cartesian 2D flow simulation, the 2.5D model yielded better agreement with the experimental data especially for the solid velocity prediction in the column wall region.

  11. Commercialization of a 2.5kW Utility Interactive Inverter for Distributed Generation

    SciTech Connect

    Torrey, David A.

    2006-05-26

    Through this project, Advanced Energy Conversion (AEC) has developed, tested, refined and is preparing to commercialize a 2.5kW utility-interactive inverter system for distributed generation. The inverter technology embodies zero-voltage switching technology that will ultimately yield a system that is smaller, less expensive and more efficient than existing commercial technologies. This program has focused on commercial success through careful synthesis of technology, market-focus and business development. AEC was the primary participant. AEC is utilizing contract manufacturers in the early stages of production, allowing its technical staff to focus on quality control issues and product enhancements. The objective of this project was to bring the AEC inverter technology from its current pre-production state to a commercial product. Federal funds have been used to build and test production-intent inverters, support the implementation of the commercialization plan and bring the product to the point of UL certification.

  12. DOE Publishes CALiPER Report on Linear (T8) LED Lamps in a 2x4...

    Energy Saver

    Linear (T8) LED Lamps in a 2x4 K12-Lensed Troffer DOE Publishes CALiPER Report on Linear (T8) LED Lamps in a 2x4 K12-Lensed Troffer May 2, 2014 - 4:48pm Addthis The U.S. Department ...

  13. The influence of pressure on the structure of a 2D uranium(VI) carboxyphosphonoate compound

    SciTech Connect

    Spencer, Elinor C.; Ross, Nancy L.; Surbella, Robert G.; Cahill, Christopher L.

    2014-10-15

    We report the first quantitative analysis of the structural evolution of a uranyl bearing coordination polymer in response to pressure. The material that is central to this study, (UO{sub 2})(O{sub 3}PCH{sub 2}CO{sub 2}H) (1), is constructed from rigid 2D inorganic layers comprising edge sharing UO{sub 7} pentagonal bipyramids cross-linked by [PO{sub 3}(COOH)]{sup 2−} anions. Strong hydrogen bonding interactions exist between the pendent carboxylic acid groups on adjacent layers. Under pressure, 1 exhibits compressional behaviour primarily in the direction perpendicular to the inorganic layers, which is aided by a reduction in the interlayer distance and shifting of the layers with respect to each other. The bulk modulus for the 2D compound 1 is unexpectedly high [18.1(1) GPa] and is within the range reported for 3D CPs assembled from Zn{sup II} cations and inflexible imidazolate anions, and is at the lower end of the range of moduli observed for aluminosilicate zeolites (19–59 GPa). - Graphical Abstract: The compression mechanism and elastic constants for a 2D Uranium(VI) carboxyphosphonoate compound are reported. - Highlights: • The response to pressure of a uranium carboxyphosphonoate compound has been studied. • High-pressure single-crystal XRD data for this 2D uranium compound were collected. • Elastic constants for this material have been determined. • The compression mechanism for the compound has been elucidated.

  14. Development and validation of a 2,000-gene microarray for the fathead minnow (Pimephales promelas)

    SciTech Connect

    Larkin, Patrick; Villeneuve, Daniel L.; Knoebl, Iris; Miracle, Ann L.; Carter, Barbara J.; Liu, Li; Denslow, Nancy D.; Ankley, Gerald T.

    2007-07-01

    Gene microarrays provide the field of ecotoxicology new tools to identify mechanisms of action of chemicals and chemical mixtures. Herein we describe the development and application of a 2,000-gene oligonucleotide microarray for the fathead minnow Pimephales promelas, a species commonly used in ecological risk assessments in North America. The microarrays were developed from various cDNA and subtraction libraries that we constructed. Consistency and reproducibility of the microarrays were documented by examining multiple technical replicates. To test application of the fathead minnow microarrays, gene expression profiles of fish exposed to 17-estradiol, a well-characterized estrogen receptor (ER) agonist, were examined. For these experiments, adult male fathead minnows were exposed for 24 h to waterborne 17-estradiol (40 or 100 ng/L) in a flow-through system, and gene expression in liver samples was characterized. Seventy-one genes were identified as differentially regulated by estradiol exposure. Examination of the gene ontology designations of these genes revealed patterns consistent with estradiol’s expected mechanisms of action and also provided novel insights as to molecular effects of the estrogen. Our studies indicate the feasibility and utility of microarrays as a basis for understanding biological responses to chemical exposure in a model ecotoxicology test species.

  15. Modeling of leachate generation from MSW landfills by a 2-dimensional 2-domain approach

    SciTech Connect

    Fellner, Johann

    2010-11-15

    The flow of water through Municipal Solid Waste (MSW) landfills is highly non-uniform and dominated by preferential pathways. Thus, concepts to simulate landfill behavior require that a heterogeneous flow regime is considered. Recent models are based on a 2-domain approach, differentiating between channel domain with high hydraulic conductivity, and matrix domain of slow water movement with high water retention capacity. These models focus on the mathematical description of rapid water flow in channel domain. The present paper highlights the importance of water exchange between the two domains, and expands the 1-dimensional, 2-domain flow model by taking into account water flows in two dimensions. A flow field consisting of a vertical path (channel domain) surrounded by the waste mass (matrix domain) is defined using the software HYDRUS-2D. When the new model is calibrated using data sets from a MSW-landfill site the predicted leachate generation corresponds well with the observed leachate discharge. An overall model efficiency in terms of r{sup 2} of 0.76 was determined for a simulation period of almost 4 years. The results confirm that water in landfills follows a preferential path way characterized by high permeability (K{sub s} = 300 m/d) and zero retention capacity, while the bulk of the landfill (matrix domain) is characterized by low permeability (K{sub s} = 0.1 m/d) and high retention capacity. The most sensitive parameters of the model are the hydraulic conductivities of the channel domain and the matrix domain, and the anisotropy of the matrix domain.

  16. Final report: Task 4a.2 20% wind scenario assessment of electric grid operational features

    SciTech Connect

    Toole, Gasper L.

    2009-01-01

    Wind integration modeling in electricity generation capacity expansion models is important in that these models are often used to inform political or managerial decisions. Poor representation of wind technology leads to under-estimation of wind's contribution to future energy scenarios which may hamper growth of the industry. The NREL's Wind Energy Deployment System (WinDS) model provides the most detailed representation of geographically disperse renewable resources and the optimization of transmission expansion to access these resources. Because WinDS was selected as the primary modeling tool for the 20% Wind Energy by 2030 study, it is the ideal tool for supplemental studies of the transmission expansion results. However, as the wind industry grows and knowledge related to the wind resource and integration of wind energy into the electric system develops, the WinDS model must be continually improved through additional data and innovative algorithms to capture the primary effects of variable wind generation. The detailed representation of wind technology in the WinDS model can be used to provide improvements to the simplified representation of wind technology in other capacity expansion models. This task did not employ the WinDS model, but builds from it and its results. Task 4a.2 provides an assessment of the electric grid operational features of the 20% Wind scenario and was conducted using power flow models accepted by the utility industry. Tasks 2 provides information regarding the physical flow of electricity on the electric grid which is a critical aspect of infrastructure expansion scenarios. Expanding transmission infrastructure to access remote wind resource in a physically realizable way is essential to achieving 20% wind energy by 2030.

  17. Data:12a45141-7972-4ec8-a2dc-37fedc8133d3 | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    ec8-a2dc-37fedc8133d3 No revision has been approved for this page. It is currently under review by our subject matter experts. Jump to: navigation, search Loading... 1. Basic...

  18. Submit a Public Comment on The Atmosphere to Electrons (A2e) External Merit Review Meeting Summary

    Energy.gov [DOE]

    The Atmosphere to Electrons (A2e) Initiative within the U.S. Department of Energy's (DOE) Office of Energy Efficiency and Renewable Energy is a multi-year DOE research initiative targeting significant reductions in the cost of wind energy through an improved understanding of the complex physics of the wind resource and interaction with wind farms. DOE is now accepting public comments on the meeting summary for the A2e Initiative. DOE held an A2e External Merit Review in Washington, DC, on February 4-5, 2014. The External Review Panel reviewed the current program planning and provided suggestions on the formulation of A2e strategy, goals and implementation approaches.

  19. Activation of nuclear receptor NR5A2 increases Glut4 expression and glucose metabolism in muscle cells

    SciTech Connect

    Bolado-Carrancio, A.; Riancho, J.A.; Sainz, J.; Rodrguez-Rey, J.C.

    2014-04-04

    Highlights: NR5A2 expression in C2C12 is associated with myotube differentiation. DLPC induces an increase in GLUT4 levels and glucose uptake in C2C12 myotubes. In high glucose conditions the activation of NR5A2 inhibits fatty acids oxidation. - Abstract: NR5A2 is a nuclear receptor which regulates the expression of genes involved in cholesterol metabolism, pluripotency maintenance and cell differentiation. It has been recently shown that DLPC, a NR5A2 ligand, prevents liver steatosis and improves insulin sensitivity in mouse models of insulin resistance, an effect that has been associated with changes in glucose and fatty acids metabolism in liver. Because skeletal muscle is a major tissue in clearing glucose from blood, we studied the effect of the activation of NR5A2 on muscle metabolism by using cultures of C2C12, a mouse-derived cell line widely used as a model of skeletal muscle. Treatment of C2C12 with DLPC resulted in increased levels of expression of GLUT4 and also of several genes related to glycolysis and glycogen metabolism. These changes were accompanied by an increased glucose uptake. In addition, the activation of NR5A2 produced a reduction in the oxidation of fatty acids, an effect which disappeared in low-glucose conditions. Our results suggest that NR5A2, mostly by enhancing glucose uptake, switches muscle cells into a state of glucose preference. The increased use of glucose by muscle might constitute another mechanism by which NR5A2 improves blood glucose levels and restores insulin sensitivity.

  20. Impact of purification conditions and history on A2A adenosine receptor activity: The role of CHAPS and lipids

    DOE PAGES [OSTI]

    Naranjo, Andrea N.; McNeely, Patrick M.; Katsaras, John; Skaja Robinson, Anne

    2016-05-27

    The adenosine A2A receptor (A2AR) is a much-studied class A G protein-coupled receptor (GPCR). For biophysical studies, A2AR is commonly purified in a detergent mixture of dodecylmaltoside (DDM), 3-(3-cholamidopropyl) dimethylammoniopropane sulfonate (CHAPS), and cholesteryl hemisuccinate (CHS). Here we studied the effects of CHAPS on the ligand binding activity and stability of wild type, full-length human A2AR. We also tested the cholesterol requirement for maintaining the active conformation of the receptor when solubilized in detergent micelles. To this end, the receptor was purified using DDM, DDM/CHAPS, or the short hydrocarbon chain lipid 1,2-dihexanoyl-sn-glycero-3-phosphocholine (DHPC, di-6:0PC). After solubilization in DDM, DDM/CHAPS, ormore » DHPC micelles, although A2AR was found to retain its native-like fold, its binding ability was significantly compromised compared to DDM or DDM/CHAPS with CHS. It therefore appears that although cholesterol is not needed for A2AR to retain a native-like, α-helical conformation, it may be a critical component for high affinity ligand binding. Further, this result suggests that the conformational differences between the active and inactive protein may be so subtle that commonly used spectroscopic methods are unable to differentiate between the two forms, highlighting the need for activity measurements. Furthermore, the studies presented in this paper also underline the importance of the protein’s purification history; i.e., detergents that interact with the protein during purification affect the ligand binding properties of the receptor in an irreversible manner.« less

  1. Structural And Functional Analysis of the Ligand Specificity of the HtrA2/OmI PDZ Domain

    SciTech Connect

    Zhang, Y.; Appleton, B.A.; Wu, P.; Wiesmann, C.; Sidhu, S.S.

    2009-06-04

    The mitochondrial serine protease HtrA2/Omi helps to maintain mitochondrial function by handling misfolded proteins in the intermembrane space. In addition, HtrA2/Omi has been implicated as a proapoptotic factor upon release into the cytoplasm during the cell death cascade. The protein contains a C-terminal PDZ domain that packs against the protease active site and inhibits proteolytic activity. Engagement of the PDZ domain by peptide ligands has been shown to activate the protease and also has been proposed to mediate substrate recognition. We report a detailed structural and functional analysis of the human HtrA2/Omi PDZ domain using peptide libraries and affinity assays to define specificity, X-ray crystallography to view molecular details of PDZ-ligand interactions, and alanine-scanning mutagenesis to probe the peptide-binding groove. We show that the HtrA2/Omi PDZ domain recognizes both C-terminal and internal stretches of extended, hydrophobic polypeptides. High-affinity ligand recognition requires contacts with up to five hydrophobic side chains by distinct sites on the PDZ domain. However, no particular residue type is absolutely required at any position, and thus, the HtrA2/Omi PDZ domain appears to be a promiscuous module adapted to recognize unstructured, hydrophobic polypeptides. This type of specificity is consistent with the biological role of HtrA2/Omi in mitochondria, which requires the recognition of diverse, exposed stretches of hydrophobic sequences in misfolded proteins. The findings are less consistent with, but do not exclude, a role for the PDZ domain in targeting the protease to specific substrates during apoptosis.

  2. A2e

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Secure & Sustainable Energy Future Stationary Power Energy Conversion Efficiency Solar Energy Wind Energy Water Power Supercritical CO2 Geothermal Natural Gas Safety, Security & ...

  3. a2.xls

    Energy Information Administration (EIA) (indexed site)

    North east Mid- west South West All Buildings North- east Mid- west South West All Buildings ...... 4,859 761 1,305 1,873 920 71,658 13,995 18,103 ...

  4. Synthesis and structure of a 2D → 3D framework with coexistence of hydrogen bonds and polythreading character

    SciTech Connect

    Zhang, Ming-Dao Zhuang, Qi-Fan; Xu, Jing; Cao, Hui

    2015-12-15

    The title complex, ([Co(BPPA)(5-OH-bdc)] · (H{sub 2}O)){sub n} was prepared under hydrothermal conditions based on two ligands, namely, bis(4-(pyridin-4-yl)phenyl)amine (BPPA) and 5-hydroxyisophthalic acid (5-OH-H{sub 2}bdc). 5-OH-bdc{sup 2–} anions coordinated to Co atoms to give layers in crystal. BPPA ligands coordinate to Co atoms and thread into the adjacent layers. There are hydrogen bonds between adjacent layers, giving rise to a 2D → 3D framework.

  5. Ultra-high tritium decontamination of simulated fusion fuel exhaust using a 2-stage palladium membrane reactor

    SciTech Connect

    Birdsell, S.A.; Willms, R.S.; Wilhelm, R.C.

    1996-12-31

    A 2-stage cold (non-tritium) PMR system was tested with the ITER mix in61 days of continuous operation. No decrease in performance was observed over the duration of the test. Decontamination factor (DF) was found to increase with decreasing inlet rate. Decontamination factors in excess of 1.4 {times} 10{sup 5} were obtained, but the exact value of the highest DF could not be determined because of analysis limitations. Results of the 61-day test were used to design a 2-stage PMR system for use in tritium testing. The PMR system was scaled up by a factor of 6 and built into a glovebox in the Tritium Systems Test Assembly (TSTA) of the Los Alamos National Laboratory. This system is approximately 1/5th of the expected full ITER scale. The ITER mix was injected into the PMR system for 31 hours, during which 4.5 g of tritium were processed. The 1st stage had DF = 200 and the 2nd stage had DF = 2.9 {times} 10{sup 6}. The overall DF = 5.8 {times} 10{sup 8}, which is greater than ITER requirements.

  6. Synthesis, crystal structure, and magnetism of A2Co12As7 (A=Ca, Y, Ce–Yb)

    DOE PAGES [OSTI]

    Tan, Xiaoyan; Ovidiu Garlea, V.; Chai, Ping; Geondzhian, Andrey Y.; Yaroslavtsev, Alexander A.; Xin, Yan; Menushenkov, Alexey P.; Chernikov, Roman V.; Shatruk, Michael

    2015-08-28

    In this study, ternary intermetallics, A2Co12As7 (A=Ca, Y, Ce–Yb), have been synthesized by annealing mixtures of elements in molten Bi at 1223 K. The materials obtained crystallize in the P63/m variant of the Zr2Fe12P7 structure type. The unit cell volume shows a monotonic decrease with the increasing atomic number of the rare-earth metal, with the exception of Ce-, Eu-, and Yb-containing compounds. An examination of these outliers with X-ray absorption near edge structures (XANES) spectroscopy revealed mixed valence of Ce, Eu, and Yb, with the average oxidation states of +3.20(1), +2.47(5), and +2.91(1), respectively, at room temperature. Magnetic behavior ofmore » A2Co12As7 is generally characterized by ferromagnetic ordering of Co 3d moments at 100–140 K, followed by low-temperature ordering of rare-earth 4f moments. The 3d-4f magnetic coupling changes from antiferromagnetic for A=Pr–Sm to ferromagnetic for A=Ce and Eu–Yb. Finally, polarized neutron scattering experiments were performed to support the postulated ferro- and ferrimagnetic ground states for Ce2Co12As7 and Nd2Co12As7, respectively.« less

  7. Rotational Augmentation on a 2.3 MW Rotor Blade with Thick Flatback Airfoil Cross-Sections: Preprint

    SciTech Connect

    Schreck, S.; Fingersh, L.; Siegel, K.; Singh, M.; Medina, P.

    2013-01-01

    Rotational augmentation was analyzed for a 2.3 MW wind turbine, which was equipped with thick flatback airfoils at inboard radial locations and extensively instrumented for acquisition of time varying surface pressures. Mean aerodynamic force and surface pressure data were extracted from an extensive field test database, subject to stringent criteria for wind inflow and turbine operating conditions. Analyses of these data showed pronounced amplification of aerodynamic forces and significant enhancements to surface pressures in response to rotational influences, relative to two-dimensional, stationary conditions. Rotational augmentation occurrence and intensity in the current effort was found to be consistent with that observed in previous research. Notably, elevated airfoil thickness and flatback design did not impede rotational augmentation.

  8. Comparative study of radiation emission without and with target in a 2.2 kJ plasma focus device

    SciTech Connect

    Khan, Muhammad Zubair; Ling, Yap Seong; San, Wong Chiow

    2014-03-24

    The radiation emission in a 2.2 kJ Mather-type dense plasma focus device is investigated using a five channel BPX65 PIN diode spectrometer. Estimated X-ray associated with the hollow anode without and with target in Argon gas medium is compared. At optimum conditions, the radiation emission from the system is found to be strongly influenced with target in hollow anode and the filling gas pressure. The maximum X-ray yield in 4? sr was obtained in case of hollow anode in argon gas medium with target 'Lead' due to interaction of electron beam. Results indicated that an appropriate design of hollow anode with target could enhance the radiation emission by more intense interaction of expected electron beam with target. The outcomes are helpful in designing a plasma focus with enhanced X-ray radiation with improved shot to shot reproducibility in plasma focus device.

  9. The eukaryotic translation elongation factor eEF1A2 induces neoplastic properties and mediates tumorigenic effects of ZNF217 in precursor cells of human ovarian carcinomas

    SciTech Connect

    Sun, Yu; Wong, Nicholas; Guan, Yinghui; Salamanca, Clara M.; Cheng, Jung Chien; Lee, Jonathan M.; Gray, Joe W.; Auersperg, Nelly

    2008-04-25

    Ovarian epithelial carcinomas (OEC) frequently exhibit amplifications at the 20q13 locus which is the site of several oncogenes, including the eukaryotic elongation factor EEF1A2 and the transcription factor ZNF217. We reported previously that overexpressed ZNF217 induces neoplastic characteristics in precursor cells of OEC. Unexpectedly, ZNF217, which is a transcriptional repressor, enhanced expression of eEF1A2. In this study, array comparative genomic hybridization, single nucleotide polymorphism and Affymetrix analysis of ZNF217-overexpressing cell lines confirmed consistently increased expression of eEF1A2 but not of other oncogenes, and revealed early changes in EEF1A2 gene copy numbers and increased expression at crisis during immortalization. We defined the influence of eEF1A2 overexpression on immortalized ovarian surface epithelial cells, and investigated interrelationships between effects of ZNF217 and eEF1A2 on cellular phenotypes. Lentivirally induced eEF1A2 overexpression caused delayed crisis, apoptosis resistance and increases in serum-independence, saturation densities, and anchorage independence. siRNA to eEF1A2 reversed apoptosis resistance and reduced anchorage independence in eEF1A2-overexpressing lines. Remarkably, siRNA to eEF1A2 was equally efficient in inhibiting both anchorage independence and resistance to apoptosis conferred by ZNF217 overexpression. Our data define neoplastic properties that are caused by eEF1A2 in nontumorigenic ovarian cancer precursor cells, and suggest that eEF1A2 plays a role in mediating ZNF217-induced neoplastic progression.

  10. Ionizing Radiation–Inducible miR-27b Suppresses Leukemia Proliferation via Targeting Cyclin A2

    SciTech Connect

    Wang, Bo; Li, Dongping; Kovalchuk, Anna; Litvinov, Dmitry; Kovalchuk, Olga

    2014-09-01

    Purpose: Ionizing radiation is a common carcinogen that is important for the development of leukemia. However, the underlying epigenetic mechanisms remain largely unknown. The goal of the study was to explore microRNAome alterations induced by ionizing radiation (IR) in murine thymus, and to determine the role of IR-inducible microRNA (miRNA/miR) in the development of leukemia. Methods and Materials: We used the well-established C57BL/6 mouse model and miRNA microarray profiling to identify miRNAs that are differentially expressed in murine thymus in response to irradiation. TIB152 human leukemia cell line was used to determine the role of estrogen receptor–α (ERα) in miR-27b transcription. The biological effects of ectopic miR-27b on leukemogenesis were measured by western immunoblotting, cell viability, apoptosis, and cell cycle analyses. Results: Here, we have shown that IR triggers the differential expression of miR-27b in murine thymus tissue in a dose-, time- and sex-dependent manner. miR-27b was significantly down-regulated in leukemia cell lines CCL119 and TIB152. Interestingly, ERα was overexpressed in those 2 cell lines, and it was inversely correlated with miR-27b expression. Therefore, we used TIB152 as a model system to determine the role of ERα in miR-27b expression and the contribution of miR-27b to leukemogenesis. β-Estradiol caused a rapid and transient reduction in miR-27b expression reversed by either ERα-neutralizing antibody or ERK1/2 inhibitor. Ectopic expression of miR-27b remarkably suppressed TIB152 cell proliferation, at least in part, by inducing S-phase arrest. In addition, it attenuated the expression of cyclin A2, although it had no effect on the levels of PCNA, PPARγ, CDK2, p21, p27, p-p53, and cleaved caspase-3. Conclusion: Our data reveal that β-estradiol/ERα signaling may contribute to the down-regulation of miR-27b in acute leukemia cell lines through the ERK1/2 pathway, and that miR-27b may function as a tumor

  11. Development of a 2.0 eV AlGaInP Solar Cell Grown by OMVPE

    SciTech Connect

    Perl, Emmett E.; Simon, John; Geisz, John F.; Olavarria, Waldo; Young, Michelle; Duda, Anna; Dippo, Pat; Friedman, Daniel J.; Steiner, Myles A.

    2015-06-14

    AlGaInP solar cells with a bandgap (Eg) of ~2.0 eV are developed for use in next-generation multijunction photovoltaic devices. This material system is of great interest for both space and concentrator photovoltaics due to its high bandgap, which enables the development of high-efficiency five-junction and six-junction devices and is also useful for solar cells operated at elevated temperatures. In this work, we explore the conditions for the Organometallic Vapor Phase Epitaxy (OMVPE) growth of AlGaInP and study their effects on cell performance. A ~2.0 eV AlGaInP solar cell is demonstrated with an open circuit voltage (VOC) of 1.59V, a bandgap-voltage offset (WOC) of 420mV, a fill factor (FF) of 88.0%, and an efficiency of 14.8%. These AlGaInP cells have attained a similar FF, WOC and internal quantum efficiency (IQE) to the best upright GaInP cells grown in our lab to date.

  12. Annual progress report on the development of a 2 MW/10 second battery energy storage system for power disturbance protection

    SciTech Connect

    1996-01-29

    Sandia National Laboratories (SNL), acting for the US Department of Energy (DOE), contracts for and administers programs for the purpose of promoting the development and commercialization of large scale, transportable battery energy storage systems. Under DOE Co-Op Agreement No. DE-FC04-94AL99852, SNL has contracted for the development and delivery of an initial prototype 250 kW bridge that becomes an integral subsystem of a 2 MW/10 Second System that can be used by utility customers to protect power sensitive equipment from power disturbances. Development work includes field installation and testing of the prototype unit at a participating utility site for extended product testing with subsequent relocation to an industrial or commercial participating utility customer site for additional evaluation. The program described by the referenced document calls for cost sharing with the successful bidder and eventual title transfer to the participating utility. Prototype delivery is scheduled for January of 1996, with a period of two years allowed for field testing. A final report summarizing the test data with conclusions and recommendations is part of the contract.

  13. Modulation of mitochondrial function and morphology by interaction of Omi/HtrA2 with the mitochondrial fusion factor OPA1

    SciTech Connect

    Kieper, Nicole; Holmstroem, Kira M.; Ciceri, Dalila; Fiesel, Fabienne C.; Wolburg, Hartwig; Ziviani, Elena; Whitworth, Alexander J.; Martins, L. Miguel; Kahle, Philipp J.; Krueger, Rejko

    2010-04-15

    Loss of Omi/HtrA2 function leads to nerve cell loss in mouse models and has been linked to neurodegeneration in Parkinson's and Huntington's disease. Omi/HtrA2 is a serine protease released as a pro-apoptotic factor from the mitochondrial intermembrane space into the cytosol. Under physiological conditions, Omi/HtrA2 is thought to be involved in protection against cellular stress, but the cytological and molecular mechanisms are not clear. Omi/HtrA2 deficiency caused an accumulation of reactive oxygen species and reduced mitochondrial membrane potential. In Omi/HtrA2 knockout mouse embryonic fibroblasts, as well as in Omi/HtrA2 silenced human HeLa cells and Drosophila S2R+ cells, we found elongated mitochondria by live cell imaging. Electron microscopy confirmed the mitochondrial morphology alterations and showed abnormal cristae structure. Examining the levels of proteins involved in mitochondrial fusion, we found a selective up-regulation of more soluble OPA1 protein. Complementation of knockout cells with wild-type Omi/HtrA2 but not with the protease mutant [S306A]Omi/HtrA2 reversed the mitochondrial elongation phenotype and OPA1 alterations. Finally, co-immunoprecipitation showed direct interaction of Omi/HtrA2 with endogenous OPA1. Thus, we show for the first time a direct effect of loss of Omi/HtrA2 on mitochondrial morphology and demonstrate a novel role of this mitochondrial serine protease in the modulation of OPA1. Our results underscore a critical role of impaired mitochondrial dynamics in neurodegenerative disorders.

  14. A 2.5D boundary element formulation for modeling damped waves in arbitrary cross-section waveguides and cavities

    SciTech Connect

    Mazzotti, M.; Civil, Architectural and Environmental Engineering Department, Drexel University, 3141 Chestnut St., Philadelphia, PA 19104 ; Bartoli, I.; Marzani, A.; Viola, E.

    2013-09-01

    Highlights: Dispersive properties of viscoelastic waveguides and cavities are computed using a regularized 2.5D BEM. Linear viscoelasticity is introduced at the constitutive level by means of frequency dependent complex moduli. A contour integral algorithm is used to solve the nonlinear eigenvalue problem. The Sommerfeld radiation condition is used to select the permissible Riemann sheets. Attenuation of surface waves in cavities approaches the attenuation of Rayleigh waves. -- Abstract: A regularized 2.5D boundary element method (BEM) is proposed to predict the dispersion properties of damped stress guided waves in waveguides and cavities of arbitrary cross-section. The wave attenuation, induced by material damping, is introduced using linear viscoelastic constitutive relations and described in a spatial manner by the imaginary component of the axial wavenumber. The discretized dispersive wave equation results in a nonlinear eigenvalue problem, which is solved obtaining complex axial wavenumbers for a fixed frequency using a contour integral algorithm. Due to the singular characteristics and the multivalued feature of the wave equation, the requirement of holomorphicity inside the contour region over the complex wavenumber plane is fulfilled by the introduction of the Sommerfeld branch cuts and by the choice of the permissible Riemann sheets. A post processing analysis is developed for the extraction of the energy velocity of propagative guided waves. The reliability of the method is demonstrated by comparing the results obtained for a rail and a bar with square cross-section with those obtained from a 2.5D Finite Element formulation also known in literature as Semi Analytical Finite Element (SAFE) method. Next, to show the potential of the proposed numerical framework, dispersion properties are predicted for surface waves propagating along cylindrical cavities of arbitrary cross-section. It is demonstrated that the attenuation of surface waves approaches

  15. SU-E-T-65: Characterization of a 2D Array for QA and Pretreatment Plan Verification

    SciTech Connect

    Anvari, A; Aghamiri, S; Mahdavi, S; Alaei, P

    2014-06-01

    Purpose: The OCTAVIUS detector729 is a 2D array of 729 air vented cubic plane parallel ion chambers used for pretreatment verification and QA. In this study we investigated dosimetric characteristics of this system for clinical photon beam dosimetry. Methods: Detector performance evaluation included determination of the location of the effective point of measurement (EPM), sensitivity, linearity, and reproducibility of detector response, as well as output factor, dose rate, and source to surface distance (SSD) dependence. Finally, assessment of wedge modulated fields was carried out. All the evaluations were performed five times for low and high photon energies. For reference measurements, a 0.6 cc ionization chamber was used. Data analysis and comparison of the OCTAVIUS detector with reference ion chamber data was performed using the VeriSoft patient plan verification software. Results: The reproducibility and stability of the measurements are excellent, the detector showed same signal with a maximum deviation of less than 0.5% in short and long term. Results of sensitivity test showed same signal with a maximum deviation of approximately 0.1%. As the detector 729 response is linear with dose and dose rate, it can be used for the measurement at regions of high dose gradient effectively. The detector agrees with the ionization chamber measurement to within 1% for SSD range of 75 to 125 cm. Also, its measured wedge modulated profiles matched very well with ion chamber dose profiles acquired in a water tank. Conclusions: As the response of the detector 729 is linear with dose and dose rate, it can be used for the measurements in the areas of dose gradients effectively. Based on the measurements and comparisons performed, this system is a reliable and accurate dosimeter for QA and pretreatment plan verification in radiotherapy.

  16. Appendix A Annual Inspection Checklist, Maps, and Photographs

    Office of Legacy Management (LM)

    A-2 Depression B-8 Concrete culvert remnant B-9 Animal hole B-102 Rebar stakes for wattles C-9 Depression about 60 feet long, hole E-7 Old concrete wash out area...

  17. DOE/EIS-0222-SA-O1 Supplement Analysis Hanford Comprehensive...

    Office of Environmental Management (EM)

    ... These modifications included changing all Conservation (Mining and Grazing) designations to Conservation (Mining), and extending the national wildlife refuge designation ...

  18. DOE/EIS-0222-SA-O1 Supplement Analysis Hanford Comprehensive...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    A ct of 1980 (CERCLA) and Resource Conservation and Recovery Act of 19 76 (RCRA) ... Reach National Monument Comprehensive Conservation Plan and Environmental Impact ...

  19. Unraveling a Hotspot for TCR Recognition on HLA-A2: Evidence Against the Existence of Peptide-independent TCR Binding Determinants

    SciTech Connect

    Gagnon, Susan J.; Borbulevych, Oleg Y.; Davis-Harrison, Rebecca L.; Baxter, Tiffany K.; Clemens, John R.; Armstrong, Kathryn M.; Turner, Richard V.; Damirjian, Marale; Biddison, William E.; Baker, Brian M.

    2010-07-19

    T cell receptor (TCR) recognition of peptide takes place in the context of the major histocompatibility complex (MHC) molecule, which accounts for approximately two-thirds of the peptide/MHC buried surface. Using the class I MHC HLA-A2 and a large panel of mutants, we have previously shown that surface mutations that disrupt TCR recognition vary with the identity of the peptide. The single exception is Lys66 on the HLA-A2 {alpha}1 helix, which when mutated to alanine disrupts recognition for 93% of over 250 different T cell clones or lines, independent of which peptide is bound. Thus, Lys66 could serve as a peptide-independent TCR binding determinant. Here, we have examined the role of Lys66 in TCR recognition of HLA-A2 in detail. The structure of a peptide/HLA-A2 molecule with the K66A mutation indicates that although the mutation induces no major structural changes, it results in the exposure of a negatively charged glutamate (Glu63) underneath Lys66. Concurrent replacement of Glu63 with glutamine restores TCR binding and function for T cells specific for five different peptides presented by HLA-A2. Thus, the positive charge on Lys66 does not serve to guide all TCRs onto the HLA-A2 molecule in a manner required for productive signaling. Furthermore, electrostatic calculations indicate that Lys66 does not contribute to the stability of two TCR-peptide/HLA-A2 complexes. Our findings are consistent with the notion that each TCR arrives at a unique solution of how to bind a peptide/MHC, most strongly influenced by the chemical and structural features of the bound peptide. This would not rule out an intrinsic affinity of TCRs for MHC molecules achieved through multiple weak interactions, but for HLA-A2 the collective mutational data place limits on the role of any single MHC amino acid side-chain in driving TCR binding in a peptide-independent fashion.

  20. Implementation of Division B, Title I, Section 1101(a)(2) of the Department of Defense and Full-Year Continuing Appropriations Act, 2011

    Office of Energy Efficiency and Renewable Energy (EERE)

    Acquisition Letter 2011-04 provides implementing instructions and guidance for Section 1101(a)(2) of the Full-Year Continuing Appropriations Act of 2011, Pub. L. 112-10 (hereinafter "Full-Year Continuing Appropriations Act of 2011). Section 1101(a)(2) of the Act provides that, unless otherwise specified, the authority and conditions provided for projects or activities (including the costs of direct loans and loan guarantees) appropriated, authorized, or funded in the Energy and Water Development and Related Agencies Appropriations Act of 2010, Pub. L. 111-85, still apply.

  1. Data:85f4a2f7-fc00-491f-9550-006c82a148f1 | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    f4a2f7-fc00-491f-9550-006c82a148f1 No revision has been approved for this page. It is currently under review by our subject matter experts. Jump to: navigation, search Loading......

  2. szj91a2.tmp

    Office of Scientific and Technical Information (OSTI)

    Analysis of Thomsen Parameters for Finely Layered VTI Media James G. Berryman Patricia A. ... Analysis of Thomsen parameters for finely layered VTI media JamG. Berryman, Lawrence ...

  3. High-quality permanent draft genome sequence of Bradyrhizobium sp. Tv2a.2, a microsymbiont of Tachigali versicolor discovered in Barro Colorado Island of Panama

    DOE PAGES [OSTI]

    Tian, Rui; Parker, Matthew; Seshadri, Rekha; Reddy, TBK; Markowitz, Victor; Ivanova, Natalia; Pati, Amrita; Woyke, Tanja; Baeshen, Mohammed N.; Baeshen, Nabih A.; et al

    2015-05-17

    Bradyrhizobiumsp. Tv2a.2 is an aerobic, motile, Gram-negative, non-spore-forming rod that was isolated from an effective nitrogen-fixing root nodule of Tachigali versicolor collected in Barro Colorado Island of Panama. Here we describe the features of Bradyrhizobiumsp. Tv2a.2, together with high-quality permanent draft genome sequence information and annotation. The 8,496,279 bp high-quality draft genome is arranged in 87 scaffolds of 87 contigs, contains 8,109 protein-coding genes and 72 RNA-only encoding genes. In conclusion, this rhizobial genome was sequenced as part of the DOE Joint Genome Institute 2010 Genomic Encyclopedia for Bacteria and Archaea-Root Nodule Bacteria (GEBA-RNB) project.

  4. The induction of reactive oxygen species and loss of mitochondrial Omi/HtrA2 is associated with S-nitrosoglutathione-induced apoptosis in human endothelial cells

    SciTech Connect

    Liu Qibing; Liu Lulu; Lu Yingmei; Tao Rongrong; Huang Jiyun; Shioda, Norifumi; Moriguchi, Shigeki; Fukunaga, Kohji; Han Feng; Lou Yijia

    2010-05-01

    The pathophysiological relevance of S-nitrosoglutathione (GSNO)-induced endothelial cell injury remains unclear. The main objective of this study was to elucidate the molecular mechanisms of GSNO-induced oxidative stress in endothelial cells. Morphological evaluation through DAPI staining and propidium iodide (PI) flow cytometry was used to detect apoptosis. In cultured EA.hy926 endothelial cells, exposure to GSNO led to a time- and dose-dependent apoptotic cascade. When intracellular reactive oxygen species (ROS) production was measured in GSNO-treated cells with the fluorescent probes 5-(and-6)-carboxy-2',7'-dichlorofluorescein diacetate, we observed elevated ROS levels and a concomitant loss in mitochondrial membrane potential, indicating that GSNO-induced death signaling is mediated through a ROS-mitochondrial pathway. Importantly, we found that peroxynitrite formation and Omi/HtrA2 release from mitochondria were involved in this phenomenon, whereas changes of death-receptor dependent signaling were not detected in the same context. The inhibition of NADPH oxidase activation and Omi/HtrA2 by a pharmacological approach provided significant protection against caspase-3 activation and GSNO-induced cell death, confirming that GSNO triggers the death cascade in endothelial cells in a mitochondria-dependent manner. Taken together, our results indicate that ROS overproduction and loss of mitochondrial Omi/HtrA2 play a pivotal role in reactive nitrogen species-induced cell death, and the modulation of these pathways can be of significant therapeutic benefit.

  5. HTR-PROTEUS Pebble Bed Experimental Program Cores 1, 1A, 2, and 3: Hexagonal Close Packing with a 1:2 Moderator-to-Fuel Pebble Ratio

    SciTech Connect

    John D. Bess; Barbara H. Dolphin; James W. Sterbentz; Luka Snoj; Igor Lengar; Oliver Köberl

    2013-03-01

    In its deployment as a pebble bed reactor (PBR) critical facility from 1992 to 1996, the PROTEUS facility was designated as HTR-PROTEUS. This experimental program was performed as part of an International Atomic Energy Agency (IAEA) Coordinated Research Project (CRP) on the Validation of Safety Related Physics Calculations for Low Enriched HTGRs. Within this project, critical experiments were conducted for graphite moderated LEU systems to determine core reactivity, flux and power profiles, reaction-rate ratios, the worth of control rods, both in-core and reflector based, the worth of burnable poisons, kinetic parameters, and the effects of moisture ingress on these parameters. Four benchmark experiments were evaluated in this report: Cores 1, 1A, 2, and 3. These core configurations represent the hexagonal close packing (HCP) configurations of the HTR-PROTEUS experiment with a moderator-to-fuel pebble ratio of 1:2. Core 1 represents the only configuration utilizing ZEBRA control rods. Cores 1A, 2, and 3 use withdrawable, hollow, stainless steel control rods. Cores 1 and 1A are similar except for the use of different control rods; Core 1A also has one less layer of pebbles (21 layers instead of 22). Core 2 retains the first 16 layers of pebbles from Cores 1 and 1A and has 16 layers of moderator pebbles stacked above the fueled layers. Core 3 retains the first 17 layers of pebbles but has polyethylene rods inserted between pebbles to simulate water ingress. The additional partial pebble layer (layer 18) for Core 3 was not included as it was used for core operations and not the reported critical configuration. Cores 1, 1A, 2, and 3 were determined to be acceptable benchmark experiments.

  6. HTR-PROTEUS Pebble Bed Experimental Program Cores 1, 1A, 2, and 3: Hexagonal Close Packing with a 1:2 Moderator-to-Fuel Pebble Ratio

    SciTech Connect

    John D. Bess; Barbara H. Dolphin; James W. Sterbentz; Luka Snoj; Igor Lengar; Oliver Köberl

    2012-03-01

    In its deployment as a pebble bed reactor (PBR) critical facility from 1992 to 1996, the PROTEUS facility was designated as HTR-PROTEUS. This experimental program was performed as part of an International Atomic Energy Agency (IAEA) Coordinated Research Project (CRP) on the Validation of Safety Related Physics Calculations for Low Enriched HTGRs. Within this project, critical experiments were conducted for graphite moderated LEU systems to determine core reactivity, flux and power profiles, reaction-rate ratios, the worth of control rods, both in-core and reflector based, the worth of burnable poisons, kinetic parameters, and the effects of moisture ingress on these parameters. Four benchmark experiments were evaluated in this report: Cores 1, 1A, 2, and 3. These core configurations represent the hexagonal close packing (HCP) configurations of the HTR-PROTEUS experiment with a moderator-to-fuel pebble ratio of 1:2. Core 1 represents the only configuration utilizing ZEBRA control rods. Cores 1A, 2, and 3 use withdrawable, hollow, stainless steel control rods. Cores 1 and 1A are similar except for the use of different control rods; Core 1A also has one less layer of pebbles (21 layers instead of 22). Core 2 retains the first 16 layers of pebbles from Cores 1 and 1A and has 16 layers of moderator pebbles stacked above the fueled layers. Core 3 retains the first 17 layers of pebbles but has polyethylene rods inserted between pebbles to simulate water ingress. The additional partial pebble layer (layer 18) for Core 3 was not included as it was used for core operations and not the reported critical configuration. Cores 1, 1A, 2, and 3 were determined to be acceptable benchmark experiments.

  7. Mutation in a gene for type I procollagen (COL1A2) in a woman with postmenopausal osteoporosis: Evidence for phenotypic and genotypic overlap with mild osteogenesis imperfecta

    SciTech Connect

    Spotila, L.D.; Constantinou, C.D.; Sereda, L.; Ganguly, A.; Prockop, D.J. ); Riggs, B.L. )

    1991-06-15

    Mutations in the two genes for type I collagen (COL1A1 or COL1A2) cause osteogenesis imperfecta (OI), a heritable disease characterized by moderate to extreme brittleness of bone early in life. Here, the authors show that a 52-year-old post menopausal woman with severe osteopenia and a compression fracture of a thoracic vertebra had a mutation in the gene for the {alpha}2(I) chain of type I collagen (COL1A2) similar to mutations that cause OI. cDNA was prepared from the woman's skin fibroblast RNA and assayed for the presence of a mutation by treating DNA heteroduplexes with carbodiimide. The results indicated a sequence variation in the region encoding amino acid residues 660-667 of the {alpha}2(I) chain. Further analysis demonstrated a single-base mutation that caused a serine-for-glycine substitution at position 661 of the {alpha}2(I) triple-helical domain. The substitution produced posttranslational overmodification of the collagen triple helix, as is seen with most glycine substitutions that cause OI. The patient had a history of five previous fractures, slightly blue sclerae, and slight hearing loss. Therefore, the results suggest that there may be phenotypic and genotypic overlap between mild osteogenesis imperfecta and postmenopausal osteoporosis, and that a subset of women with postmenopausal osteoporosis may have mutations in the genes for type I procollagen.

  8. Micro-patterning of ionic reservoirs within a double bilayer lipid membrane to fabricate a 2D array of ion-channel switch based electrochemical biosensors

    SciTech Connect

    Sansinena, J. M.; Yee, C. K.; Sapuri, A.; Swanson, Basil I.; Redondo, A.; Parikh, A. N.

    2004-01-01

    We present a simple approach for the design of ionic reservoir arrays within a double phospholipid bilayer to ultimately develop a 2D array of ion-channel switch based electrochemical biosensors. As a first step, a primary bilayer lipid membrane is deposited onto an array of electrodes patterned onto a substrate surface. Subsequently, an array of microvoids is created within the bilayer by a wet photolithographic patterning of phospholipid bilayers using a deep UV light source and a quartz/chrome photomask. To ensure registry, the photomask used to pattern bilayers is designed to match up the microvoids within the primary bilayer with the array of electrodes on the substrate surface. The deposition of a secondary bilayer lipid membrane onto the primary bilayer that spans across the patterned microvoids leads to the formation of the array of ionic reservoirs within the double phospholipid bilayer. This is accomplished using giant unilamellar vesicles and by exploiting membrane electrostatics. The use of ion-channels incorporated into the secondary bilayer that covers the individual ionic reservoirs allows the construction of a 2D array of ion-channel switch based electrochemical biosensors that are able to recognize different target-agents simultaneously.

  9. High-quality permanent draft genome sequence of Bradyrhizobium sp. Ai1a-2; a microsymbiont of Andira inermis discovered in Costa Rica

    DOE PAGES [OSTI]

    Tian, Rui; Parker, Matthew; Seshadri, Rekha; Reddy, T. B. K.; Markowitz, Victor; Ivanova, Natalia; Pati, Amrita; Woyke, Tanja; Baeshen, Mohammed; Baeshen, Nabih; et al

    2015-06-14

    Bradyrhizobium sp. Ai1a-2 is is an aerobic, motile, Gram-negative, non-spore-forming rod that was isolated from an effective nitrogen fixing root nodule of Andira inermis collected from Tres Piedras in Costa Rica. In this report we describe, for the first time, the genome sequence information and annotation of this legume microsymbiont. The 9,029,266 bp genome has a GC content of 62.56% with 247 contigs arranged into 246 scaffolds. The assembled genome contains 8,482 protein-coding genes and 102 RNA-only encoding genes. Lastly, this rhizobial genome was sequenced as part of the DOE Joint Genome Institute 2010 Genomic Encyclopedia for Bacteria and Archaea-Rootmore » Nodule Bacteria (GEBA-RNB) project proposal.« less

  10. SU-E-CAMPUS-T-05: Preliminary Results On a 2D Dosimetry System Based On the Optically Stimulated Luminescence of Al2O3

    SciTech Connect

    Ahmed, M; Eller, S; Yukihara, E; Schnell, E; Ahmad, S; Akselrod, M; Hanson, O

    2014-06-15

    Purpose: To develop a precise 2D dose mapping technique based on the optically stimulated luminescence (OSL) from Al{sub 2}O{sub 3} films for medical applications. Methods: A 2D laser scanning reader was developed using fast F{sup +}-center (lifetime of <7 ns) and slow F-center (lifetime of 35 ms) OSL emission from newly developed Al{sub 2}O{sub 3} films (Landauer Inc.). An algorithm was developed to correct images for both material and system properties. Since greater contribution of the F??-center emission in the recorded signal increases the readout efficiency and robustness of image corrections, Al{sub 2}O{sub 3}:C,Mg film samples are being investigated in addition to Al{sub 2}O{sub 3}:C samples. Preliminary investigations include exposure of the films to a 6 MV photon beam at 10 cm depth in solid water phantom with an SSD of 100 cm, using a 10 cm × 10 cm flat field or a 4 cm × 4 cm field with a 60° wedge filter. Kodak EDR2 radiographic film and EBT2 Gafchromic film were also exposed for comparison. Results: The results indicate that the algorithm is able to correct images and calculate 2D dose. For the wedge field irradiation, the calculated dose at the center of the field was 0.9 Gy for Al{sub 2}O{sub 3}:C and 0.87 Gy for Al{sub 2}O{sub 3}:C,Mg, whereas, the delivered dose was 0.95 Gy. A good qualitative agreement of the dose profiles was obtained between the OSL films and EDR2 and EBT2 films. Laboratory tests using a beta source suggest that a large dynamic range (10{sup −2}−10{sup 2} Gy) can be achieved using this technique. Conclusion: A 2D dosimetry system and an in-house image correction algorithm were developed for 2D film dosimetry in medical applications. The system is in the preliminary stage of development, but the data demonstrates the feasibility of this approach. This work was supported by Landauer, Inc.

  11. Influence of microwave driver coupling design on plasma density at Testbench for Ion sources Plasma Studies, a 2.45 GHz Electron Cyclotron Resonance Plasma Reactor

    SciTech Connect

    Mega-Macas, A.; Vizcano-de-Julin, A.; Cortzar, O. D.

    2014-03-15

    A comparative study of two microwave driver systems (preliminary and optimized) for a 2.45 GHz hydrogen Electron Cyclotron Resonance plasma generator has been conducted. The influence on plasma behavior and parameters of stationary electric field distribution in vacuum, i.e., just before breakdown, along all the microwave excitation system is analyzed. 3D simulations of resonant stationary electric field distributions, 2D simulations of external magnetic field mapping, experimental measurements of incoming and reflected power, and electron temperature and density along the plasma chamber axis have been carried out. By using these tools, an optimized set of plasma chamber and microwave coupler has been designed paying special attention to the optimization of stationary electric field value in the center of the plasma chamber. This system shows a strong stability on plasma behavior allowing a wider range of operational parameters and even sustaining low density plasma formation without external magnetic field. In addition, the optimized system shows the capability to produce values of plasma density four times higher than the preliminary as a consequence of a deeper penetration of the magnetic resonance surface in relative high electric field zone by keeping plasma stability. The increment of the amount of resonance surface embedded in the plasma under high electric field is suggested as a key factor.

  12. Surface roughness statistics and temperature step stress effects for D-T solid layers equilibrated inside a 2 mm beryllium torus

    SciTech Connect

    Sheliak, J.D.; Hoffer, J.K.

    1998-12-31

    Solid D-T layers are equilibrated inside a 2 mm diameter beryllium toroidal cell at temperatures ranging from 19.0 K to 19.6 K, using the beta-layering process. The experimental runs consists of multiple cycles of rapid- or slow-freezing of the initially liquid D-T charge, followed by a lengthy period of beta-layering equilibration, terminated by melting the layer. The temperature was changed in discrete steps at the end of some equilibration cycles in an attempt to simulate actual ICF target conditions. High-precision images of the D-T solid-vapor interface were analyzed to yield the surface roughness {sigma}{sub mns} as a sum of modal contributions. Results show an overage {sigma}{sub mns} of 1.3 {+-} 0.3 {micro}m for layers equilibrated at 19.0 K and show an inverse dependence of {sigma}{sub mns} on equilibration temperature up to 19.525 K. Inducing sudden temperature perturbations lowered {sigma}{sub mns} to 1.0 {+-} 0.05 {micro}m.

  13. A 2.15 hr ORBITAL PERIOD FOR THE LOW-MASS X-RAY BINARY XB 1832-330 IN THE GLOBULAR CLUSTER NGC 6652

    SciTech Connect

    Engel, M. C.; Heinke, C. O.; Sivakoff, G. R.; Elshamouty, K. G.; Edmonds, P. D. E-mail: heinke@ualberta.ca

    2012-03-10

    We present a candidate orbital period for the low-mass X-ray binary (LMXB) XB 1832-330 in the globular cluster NGC 6652 using a 6.5 hr Gemini South observation of the optical counterpart of the system. Light curves in g' and r' for two LMXBs in the cluster, sources A and B in previous literature, were extracted and analyzed for periodicity using the ISIS image subtraction package. A clear sinusoidal modulation is evident in both of A's curves, of amplitude {approx}0.11 mag in g' and {approx}0.065 mag in r', while B's curves exhibit rapid flickering, of amplitude {approx}1 mag in g' and {approx}0.5 mag in r'. A Lomb-Scargle test revealed a 2.15 hr periodic variation in the magnitude of A with a false alarm probability less than 10{sup -11}, and no significant periodicity in the light curve for B. Though it is possible that saturated stars in the vicinity of our sources partially contaminated our signal, the identification of A's binary period is nonetheless robust.

  14. Bulk and mechanical properties of the Paintbrush tuff recovered from boreholes UE25 NRG-2, 2A, 2B, and 3: Data report

    SciTech Connect

    Boyd, P.J.; Martin, R.J.; Noel, J.S. [New England Research, Inc., White River Junction, VT (United States); Price, R.H. [Sandia National Labs., Albuquerque, NM (United States)

    1996-09-01

    An integral part of the licensing procedure for the potential nuclear waste repository at Yucca Mountain, Nevada, involves characterization of the in situ rheology for the design and construction of the facility and the emplacement of canisters containing radioactive waste. The data used to model the thermal and mechanical behavior of the repository and surrounding lithologies include dry and saturated bulk densities, average grain density, porosity, compressional and shear wave velocities, elastic moduli, and compressional and tensional fracture strengths. In this study, a suite of experiments was performed on cores recovered from boreholes UE25 NRG-2, 2A, 2B, and 3 drilled in support of the Exploratory Studies Facility (ESF) at Yucca Mountain. The holes penetrated the Timber Mountain tuff and two thermal/mechanical units of the Paintbrush tuff. The thermal/mechanical stratigraphy was defined by Ortiz to group rock horizons of similar properties for the purpose of simplifying modeling efforts. The relationship between the geologic stratigraphy and the thermal/mechanical stratigraphy for each borehole is presented. The tuff samples in this study have a wide range of welding characteristics (usually reflected in sample porosity), and a smaller range of mineralogy and petrology characteristics. Generally, the samples are silicic, ash-fall tuffs that exhibit large variability in their elastic and strength properties.

  15. Advanced stimulation technology deployment program, Chevron USA Production Company, Wolfcamp A2 Sand, Pakenham Field, Val Verde Basin. Topical report, July 1995-March 1996

    SciTech Connect

    Wright, C.A.; Weijers, L.; Minner, W.A.

    1996-07-01

    This report describes the results from Chevron`s Pakenham Field effort at fracture stimulation engineering which incorporated, to the greatest extent possible, the results of actual measured field data. Measurement of the sand-shale closure stress contrast around the Wolfcamp A2 sand and the relatively high net fracturing pressures (compared to the closure stress contrast) that were observed during real-data (net pressure) fracture treatment analysis revealed that fractures obtained in most of the treatments were much shorter and less confined than originally expected: the fracture half-length was about 200 to 300 ft (instead of about 600 ft), which is consistent with estimates from post-fracture pressure build-up tests. Based on these measurements, Chevron`s fracturing practices in the Pakenham Field could be carefully reviewed to enhance fracture economics. Supported by the real-data fracture treatment analysis, several changes in completion, fracture treatment design and data-collection procedures were made, such as: (1) using cheaper 20/40 Ottawa sand instead of pre-cured 20/40 resin coated sand; (2) reducing the pad fluid size, as fluid leakoff from the fracture into the formation was relatively low; and, (3) utilizing stepdown tests and proppant slugs to minimize near-wellbore screen-out potential (in the Wolfcamp D sand).

  16. SU-E-P-35: Real-Time Patient Transit Dose Verification of Volumetric Modulated Arc Radiotherapy by a 2D Ionization Chamber Array

    SciTech Connect

    Liu, X

    2015-06-15

    Purpose: To explore the real-time dose verification method in volumetric modulated arc radiotherapy (VMAT) with a 2D array ion chamber array. Methods: The 2D ion chamber array was fixed on the panel of electronic portal imaging device (EPID). Source-detector distance (SDD)was 140cm. 8mm RW3 solid water was added to the detector panel to achieve maximum readings.The patient plans for esophageal, prostate and liver cancers were selected to deliver on the cylindrical Cheese phantom 5 times in order to validate the reproducibility of doses. Real-time patient transit dose measurements were performed at each fraction. Dose distributions wereevaluated using gamma index criteria of 3mm DTA and 3% dose difference referred to the firsttime Result. Results: The gamma index pass rate in the Cheese phantom were about 98%; The gamma index pass rate for esophageal, liver and prostate cancer patient were about 92%,94%, and 92%, respectively; Gamma pass rate for all single fraction were more than 90%. Conclusion: The 2D array is capable of monitoring the real time transit doses during VMAT delivery. It is helpful to improve the treatment accuracy.

  17. Optical characterization of free electron concentration in heteroepitaxial InN layers using Fourier transform infrared spectroscopy and a 2 Multiplication-Sign 2 transfer-matrix algebra

    SciTech Connect

    Katsidis, C. C.; Ajagunna, A. O.; Georgakilas, A.

    2013-02-21

    Fourier Transform Infrared (FTIR) reflectance spectroscopy has been implemented as a non-destructive, non-invasive, tool for the optical characterization of a set of c-plane InN single heteroepitaxial layers spanning a wide range of thicknesses (30-2000 nm). The c-plane (0001) InN epilayers were grown by plasma-assisted molecular beam epitaxy (PAMBE) on GaN(0001) buffer layers which had been grown on Al{sub 2}O{sub 3}(0001) substrates. It is shown that for arbitrary multilayers with homogeneous anisotropic layers having their principal axes coincident with the laboratory coordinates, a 2 Multiplication-Sign 2 matrix algebra based on a general transfer-matrix method (GTMM) is adequate to interpret their optical response. Analysis of optical reflectance in the far and mid infrared spectral range has been found capable to discriminate between the bulk, the surface and interface contributions of free carriers in the InN epilayers revealing the existence of electron accumulation layers with carrier concentrations in mid 10{sup 19} cm{sup -3} at both the InN surface and the InN/GaN interface. The spectra could be fitted with a three-layer model, determining the different electron concentration and mobility values of the bulk and of the surface and the interface electron accumulation layers in the InN films. The variation of these values with increasing InN thickness could be also sensitively detected by the optical measurements. The comparison between the optically determined drift mobility and the Hall mobility of the thickest sample reveals a value of r{sub H} = 1.49 for the Hall factor of InN at a carrier concentration of 1.11 Multiplication-Sign 10{sup 19} cm{sup -3} at 300 Degree-Sign {Kappa}.

  18. Temperature dependence of the radiation tolerance of nanocrystalline pyrochlores A2Ti2O7 (A = Gd, Ho and Lu)

    DOE PAGES [OSTI]

    Wen, J.; Sun, C.; Dholabhai, P. P.; Xia, Y.; Tang, M.; Chen, D.; Yang, D. Y.; Li, Y. H.; Uberuaga, B. P.; Wang, Y. Q.

    2016-05-15

    A potentially enhanced radiation resistance of nanocrystalline materials, as a consequence of the high density of interfaces and surfaces, has attracted much attention both to understand the fundamental role of these defect sinks and to develop them for high-radiation environments. Here, irradiation response of nanocrystalline A2Ti2O7 (A = Gd, Ho and Lu) pyrochlore powders with grain sizes of 20–30 nm was investigated by 1-MeV Kr2+ ion bombardment. In situ transmission electron microscopy (TEM) revealed that the critical amorphization fluence for each nanocrystalline compound at room temperature was greater than that for their coarse-grained counterparts, indicating an enhanced amorphization resistance. Themore » effect of temperature on the irradiation response of one of these compounds, nanocrystalline Lu2Ti2O7, was further examined by performing ion irradiation at an elevated temperature range of 480–600 K. The critical amorphization temperature (Tc) was found to be noticeably higher in nanocrystalline Lu2Ti2O7 (610 K) than its coarse-grained counterpart (480 K), revealing that nanocrystalline Lu2Ti2O7 is less resistant to amorphization compared to its coarse-grained phase under high temperatures. We interpret these results with the aid of atomistic simulations. Molecular statics calculations find that cation antisite defects are less energetically costly to form near surfaces than in the bulk, suggesting that the nanocrystalline form of these materials is generally less susceptible to amorphization than coarse-grained counterparts at low temperatures where defect kinetics are negligible. In contrast, at high temperatures, the annealing efficiency of antisite defects by cation interstitials is significantly reduced due to the sink properties of the surfaces in the nanocrystalline pyrochlore, which contributes to the observed higher amorphization temperature in the nano-grained phase than in coarse-grained counterpart. Altogether, these results provide new

  19. A 2-Stage Genome-Wide Association Study to Identify Single Nucleotide Polymorphisms Associated With Development of Erectile Dysfunction Following Radiation Therapy for Prostate Cancer

    SciTech Connect

    Kerns, Sarah L.; Departments of Pathology and Genetics, Albert Einstein College of Medicine, Bronx, New York ; Stock, Richard; Stone, Nelson; Department of Urology, Mount Sinai School of Medicine, New York, New York ; Buckstein, Michael; Shao, Yongzhao; Campbell, Christopher; Rath, Lynda; De Ruysscher, Dirk; Lammering, Guido; Hixson, Rosetta; Cesaretti, Jamie; Terk, Mitchell; Ostrer, Harry; Rosenstein, Barry S.

    2013-01-01

    Purpose: To identify single nucleotide polymorphisms (SNPs) associated with development of erectile dysfunction (ED) among prostate cancer patients treated with radiation therapy. Methods and Materials: A 2-stage genome-wide association study was performed. Patients were split randomly into a stage I discovery cohort (132 cases, 103 controls) and a stage II replication cohort (128 cases, 102 controls). The discovery cohort was genotyped using Affymetrix 6.0 genome-wide arrays. The 940 top ranking SNPs selected from the discovery cohort were genotyped in the replication cohort using Illumina iSelect custom SNP arrays. Results: Twelve SNPs identified in the discovery cohort and validated in the replication cohort were associated with development of ED following radiation therapy (Fisher combined P values 2.1 Multiplication-Sign 10{sup -5} to 6.2 Multiplication-Sign 10{sup -4}). Notably, these 12 SNPs lie in or near genes involved in erectile function or other normal cellular functions (adhesion and signaling) rather than DNA damage repair. In a multivariable model including nongenetic risk factors, the odds ratios for these SNPs ranged from 1.6 to 5.6 in the pooled cohort. There was a striking relationship between the cumulative number of SNP risk alleles an individual possessed and ED status (Sommers' D P value = 1.7 Multiplication-Sign 10{sup -29}). A 1-allele increase in cumulative SNP score increased the odds for developing ED by a factor of 2.2 (P value = 2.1 Multiplication-Sign 10{sup -19}). The cumulative SNP score model had a sensitivity of 84% and specificity of 75% for prediction of developing ED at the radiation therapy planning stage. Conclusions: This genome-wide association study identified a set of SNPs that are associated with development of ED following radiation therapy. These candidate genetic predictors warrant more definitive validation in an independent cohort.

  20. Inelastic X-ray Scattering Investigations of Lattice Dynamics in SmFeAsO1-xFy Superconductors

    SciTech Connect

    Hill, J.P.; Le Tacon, M.; Forrest, T.R.; Ruegg, Ch.; Bosak, A.; Noffsinger, J.; Walters, A.C.; Toulemonde, P.; Palenzona, A.; Zhigadlo, N.D.; Karpinski, J.; Krisch, M.; McMorrow, D.F.

    2010-05-23

    We report measurements of the phonon density of states as measured with inelastic x-ray scattering in SmFeAsO{sub 1-x}F{sub y} powders. An unexpected strong renormalization of phonon branches around 23 meV is observed as fluorine is substituted for oxygen. Phonon dispersion measurements on SmFeAsO{sub 1-x}F{sub y} single crystals allow us to identify the 21 meV A{sub 1g} in-phase (Sm,As) and the 26 meV B{sub 1g} (Fe,O) modes to be responsible for this renormalization, and may reaveal unusual electron-phonon coupling through the spin channel in iron-based superconductors.

  1. Data:D2e8eb8e-d151-44bc-8a2c-7e468f57f91f | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    a2c-7e468f57f91f No revision has been approved for this page. It is currently under review by our subject matter experts. Jump to: navigation, search Loading... 1. Basic...

  2. The evaluation of a 2D diode array in “magic phantom” for use in high dose rate brachytherapy pretreatment quality assurance

    SciTech Connect

    Espinoza, A.; Petasecca, M.; Fuduli, I.; Lerch, M. L. F.; Rosenfeld, A. B.; Howie, A.; Bucci, J.; Corde, S.; Jackson, M.

    2015-02-15

    Purpose: High dose rate (HDR) brachytherapy is a treatment method that is used increasingly worldwide. The development of a sound quality assurance program for the verification of treatment deliveries can be challenging due to the high source activity utilized and the need for precise measurements of dwell positions and times. This paper describes the application of a novel phantom, based on a 2D 11 × 11 diode array detection system, named “magic phantom” (MPh), to accurately measure plan dwell positions and times, compare them directly to the treatment plan, determine errors in treatment delivery, and calculate absorbed dose. Methods: The magic phantom system was CT scanned and a 20 catheter plan was generated to simulate a nonspecific treatment scenario. This plan was delivered to the MPh and, using a custom developed software suite, the dwell positions and times were measured and compared to the plan. The original plan was also modified, with changes not disclosed to the primary authors, and measured again using the device and software to determine the modifications. A new metric, the “position–time gamma index,” was developed to quantify the quality of a treatment delivery when compared to the treatment plan. The MPh was evaluated to determine the minimum measurable dwell time and step size. The incorporation of the TG-43U1 formalism directly into the software allows for dose calculations to be made based on the measured plan. The estimated dose distributions calculated by the software were compared to the treatment plan and to calibrated EBT3 film, using the 2D gamma analysis method. Results: For the original plan, the magic phantom system was capable of measuring all dwell points and dwell times and the majority were found to be within 0.93 mm and 0.25 s, respectively, from the plan. By measuring the altered plan and comparing it to the unmodified treatment plan, the use of the position–time gamma index showed that all modifications made could be

  3. Sequencing and characterization of mixed function monooxygenase genes CYP1A1 and CYP1A2 of Mink (Mustela vison) to facilitate study of dioxin-like compounds

    SciTech Connect

    Zhang Xiaowei; Moore, Jeremy N.; Newsted, John L.; Hecker, Markus Zwiernik, Matthew J.; Jones, Paul D.; Bursian, Steven J.

    2009-02-01

    As part of an ongoing effort to understand aryl hydrocarbon receptor (AhR) mediated toxicity in mink, cDNAs encoding for CYP1A1 and the CYP1A2 mixed function monooxygenases were cloned and characterized. In addition, the effects of selected dibenzofurans on the expression of these genes and the presence of their respective proteins (P4501A) were investigated, and then correlated with the catalytic activities of these proteins as measured by ethoxyresorufin O-deethylase (EROD) and methoxyresorufin O-deethylase (MROD) activities. The predicted protein sequences for CYP1A1 and CYP1A2 comprise 517 and 512 amino acid residues, respectively. The phylogenetic analysis of the mink CYP1As with protein sequences of other mammals revealed high sequence homology with sea otter, seals and the dog, with amino acid identities ranging from 89 to 95% for CYP1A1 and 81 to 93% for CYP1A2. Since exposure to both 2,3,7,8-Tetrachlorodibenzofuran (TCDF) and 2,3,4,7,8-Pentachlorodibenzofuran (PeCDF) resulted in dose-dependent increases of CYP1A1 mRNA, CYP1A2 mRNA and CYP1A protein levels an underlying AhR-mediated mechanism is suggested. The up-regulation of CYP1A mRNA in liver was more consistent to the sum adipose TEQ concentration than to the liver TEQ concentration in minks treated with TCDF or PeCDF. The result suggested that the hepatic-sequestered fraction of PeCDF was biologically inactive to the induction of CYP1A1 and CYP1A2.

  4. A9R72A2.tmp

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

  5. Recrystallization of a 2D Plasma Crystal

    SciTech Connect

    Knapek, C. A.; Samsonov, D.; Zhdanov, S.; Konopka, U.; Morfill, G. E.

    2007-01-05

    A monolayer plasma crystal consisting of micron-sized particles levitated in the sheath of a rf discharge was melted by applying a short electric pulse to two parallel wires located at the height of the particles. Structural properties and the particle temperature were examined during the stage of recrystallization. A liquidlike phase was followed by a transient state characterized by energy release and the restoring of long range translational order while the defect fraction was low. No long range orientational order was found, though highly ordered domains formed locally. Numerical simulations revealed the same regimes of recrystallization as those observed in the experiment.

  6. Crystalline Electric Field as a Probe for Long-Range Antiferromagnetic Order and Superconducting State of CeFeAsO1-xFx

    SciTech Connect

    Chi, Songxue; Adroja, D. T.; GUIDI, T.; Bewley, Robert I.; Li, Shiliang; Zhao, Jun; Lynn, J. W.; Brown, C. M.; Qiu, Y.; Chen, G. F,; Luo, J. L.; Wang, N. L.; Dai, Pengcheng

    2008-01-01

    We use inelastic neutron scattering to study the crystalline electric field (CEF) excitations of Ce{sup 3+} in CeFeAsO{sub 1-x}F{sub x} (x=0, 0.16). For nonsuperconducting CeFeAsO, the Ce CEF levels have three magnetic doublets in the paramagnetic state, but these doublets split into six singlets when the Fe ions order antiferromagnetically. For superconducting CeFeAsO{sub 0.84}F{sub 0.16} (T{sub c} = 41 K), where the static antiferromagnetic order is suppressed, the Ce CEF levels have three magnetic doublets at {h_bar}{sub {omega}} = 0, 18.7, 58.4 meV at all temperatures. Careful measurements of the intrinsic linewidth {Lambda} and the peak position of the 18.7 meV mode reveal a clear anomaly at T{sub c}, consistent with a strong enhancement of local magnetic susceptibility {chi}{double_prime}({h_bar}{sub {omega}}) below T{sub c}. These results suggest that CEF excitations in the rare-earth oxypnictides can be used as a probe of spin dynamics in the nearby FeAs planes.

  7. Electronic Structure of CeFeAsO1-xFx (x=0, 0.11/x=0.12) compounds

    SciTech Connect

    Bondino, F.; Magnano, E.; Booth, C. H.; Offi, F.; Panaccione, G.; Malvestuto, M.; Paolicelli, G.; Simonelli, L.; Parmigiani, F.; McGuire, M. A.; Sefat, A. S.; Sales, B. C.; Jin, R.; Vilmercati, P.; Mandrus, D.; Singh, D. J.; Mannella, N.

    2011-01-25

    We report an extensive study on the intrinsic bulk electronic structure of the high-temperature superconductor CeFeAsO{sub 0.89}F{sub 0.11} and its parent compound CeFeAsO by soft and hard x-ray photoemission, x-ray absorption and soft-x-ray emission spectroscopies. The complementary surface/bulk probing depth, and the elemental and chemical sensitivity of these techniques allows resolving the intrinsic electronic structure of each element and correlating it with the local structure, which has been probed by extended-x-ray absorption fine structure spectroscopy. The measurements indicate a predominant 4f{sup 1} (i.e. Ce{sup 3+}) initial state configuration for Cerium and an effective valence-band-to-4f charge-transfer screening of the core hole. The spectra also reveal the presence of a small Ce f{sup 0} initial state configuration, which we assign to the occurrence of an intermediate valence state. The data reveal a reasonably good agreement with the partial density of states as obtained in standard density functional calculations over a large energy range. Implications for the electronic structure of these materials are discussed.

  8. An Analytical Study Of A 2-Layer Transient Thermal Conduction...

    OpenEI (Open Energy Information) [EERE & EIA]

    (e.g., where there is a shallow water table or a thin soil layer). Authors T. H. Larson and A. T. Hsui Published Journal Geophysics, 1992 DOI Not Provided Check for DOI...

  9. Protection of atherogenesis in thromboxane A2 receptor-deficient...

    Office of Scientific and Technical Information (OSTI)

    Sakyo-ku, Kyoto 606-8507 (Japan). E-mail: harai@kuhp.kyoto-u.ac.jp Department of Cell Biology, Kyoto University Graduate School of Medicine, 54 Kawahara-cho, Shogoin, Sakyo-ku, ...

  10. A2Sea A S | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    DK-7000 Sector: Wind energy Product: Building and engineering contractor specialising in wind turbine transport and installation both onshore and offshore. Coordinates:...

  11. A2 Processor User's Manual for Blue Gene/Q

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ... The loadstore pipeline supports all operations to both big-endian and little-endian data regions. Appendix D Instruction Execution Performance and Code Optimizations on page 833 ...

  12. Oscillators in a (2+1)-dimensional noncommutative space

    SciTech Connect

    Vega, F.

    2014-03-15

    We study the Harmonic and Dirac Oscillator problem extended to a three-dimensional noncommutative space where the noncommutativity is induced by the shift of the dynamical variables with generators of SL(2,R) in a unitary irreducible representation considered in Falomir et al. [Phys. Rev. D 86, 105035 (2012)]. This redefinition is interpreted in the framework of the Levi's decomposition of the deformed algebra satisfied by the noncommutative variables. The Hilbert space gets the structure of a direct product with the representation space as a factor, where there exist operators which realize the algebra of Lorentz transformations. The spectrum of these models are considered in perturbation theory, both for small and large noncommutativity parameters, finding no constraints between coordinates and momenta noncommutativity parameters. Since the representation space of the unitary irreducible representations SL(2,R) can be realized in terms of spaces of square-integrable functions, we conclude that these models are equivalent to quantum mechanical models of particles living in a space with an additional compact dimension.

  13. Microsoft Word - S08266_App_A-2.doc

    Office of Legacy Management (LM)

    tabernaemontani SOFT-STEMMED BULRUSH sedge 2 native OBL 5.912% Scirpus atrovirens GREEN BULRUSH sedge 1 native OBL 0.222% Sorghastrum nutans INDIAN GRASS grass 5 native UPL...

  14. Digital, remote control system for a 2-MW research reactor

    SciTech Connect

    Battle, R.E.; Corbett, G.K.

    1988-01-01

    A fault-tolerant programmable logic controller (PLC) and operator workstations have been programmed to replace the hard-wired relay control system in the 2-MW Bulk Shielding Reactor (BSR) at Oak Ridge National Laboratory. In addition to the PLC and remote and local operator workstations, auxiliary systems for remote operation include a video system, an intercom system, and a fiber optic communication system. The remote control station, located at the High Flux Isotope Reactor 2.5 km from the BSR, has the capability of rector startup and power control. The system was designed with reliability and fail-safe features as important considerations. 4 refs., 3 figs.

  15. Field quality measurements of a 2-Tesla transmission line magnet

    SciTech Connect

    Velev, G.V.; Foster, W.; Kashikhin, V.; Mazur, P.; Oleck, A.; Piekarz, H.; Schlabach, P.; Sylvester, C.; Wake, M.; /KEK, Tsukuba

    2005-09-01

    A prototype 2-Tesla superconducting transmission line magnet for future hadron colliders was designed, built and tested at Fermilab. The 1.5 m long, combined-function gradient-dipole magnet has a vertical pole aperture of 20 mm. To measure the magnetic field quality in such a small magnet aperture, a specialized rotating coil of 15.2 mm diameter, 0.69 m long was fabricated. Using this probe, a program of magnetic field quality measurements was successfully performed. Results of the measurements are presented and discussed.

  16. Microscopic entropy of nondilatonic branes: A 2D approach

    SciTech Connect

    Cadoni, Mariano; Serra, Nicola

    2004-12-15

    We investigate nondilatonic p-branes in the near-extremal, near-horizon regime. A two-dimensional gravity model, obtained from dimensional reduction, gives an effective description of the brane. We show that the AdS{sub p+2}/CFT{sub p+1} correspondence at finite temperature admits an effective description in terms of a AdS{sub 2}/CFT{sub 1} duality endowed with a scalar field, which breaks the conformal symmetry and generates a nonvanishing central charge. The entropy of the CFT{sub 1} is computed using Cardy formula. Fixing in a natural way a free, dimensionless, parameter introduced in the model by a renormalization procedure, we find exact agreement between the CFT{sub 1} entropy and the Bekenstein-Hawking entropy of the brane.

  17. Microsoft Word - LLNL Security Clearances Final 121108a _2_.doc

    Office of Environmental Management (EM)

    clearances, including determining the justification for initial security clearances or the ... officials, including determining the justification for initial security clearances or the ...

  18. Proteomic analysis of trichloroethylene-induced alterations in expression, distribution, and interactions of SET/TAF-Iα and two SET/TAF-Iα-binding proteins, eEF1A1 and eEF1A2, in hepatic L-02 cells

    SciTech Connect

    Hong, Wen-Xu; Yang, Liang; Chen, Moutong; Yang, Xifei; Ren, Xiaohu; Fang, Shisong; Ye, Jinbo; Huang, Haiyan; Peng, Chaoqiong; Zhou, Li; Huang, Xinfeng; Yang, Fan; Wu, Desheng; Zhuang, Zhixiong; Liu, Jianjun

    2012-09-01

    Emerging evidence indicates that trichloroethylene (TCE) exposure causes severe hepatotoxicity. However, the mechanisms of TCE hepatotoxicity remain unclear. Recently, we reported that TCE exposure up-regulated the expression of the oncoprotein SET/TAF-Iα and SET knockdown attenuated TCE-induced cytotoxicity in hepatic L-02 cells. To decipher the function of SET/TAF-Iα and its contributions to TCE-induced hepatotoxicity, we employed a proteomic analysis of SET/TAF-Iα with tandem affinity purification to identify SET/TAF-Iα-binding proteins. We identified 42 novel Gene Ontology co-annotated SET/TAF-Iα-binding proteins. The identifications of two of these proteins (eEF1A1, elongation factor 1-alpha 1; eEF1A2, elongation factor 1-alpha 2) were confirmed by Western blot analysis and co-immunoprecipitation (Co-IP). Furthermore, we analyzed the effects of TCE on the expression, distribution and interactions of eEF1A1, eEF1A2 and SET in L-02 cells. Western blot analysis reveals a significant up-regulation of eEF1A1, eEF1A2 and two isoforms of SET, and immunocytochemical analysis reveals that eEF1A1 and SET is redistributed by TCE. SET is redistributed from the nucleus to the cytoplasm, while eFE1A1 is translocated from the cytoplasm to the nucleus. Moreover, we find by Co-IP that TCE exposure significantly increases the interaction of SET with eEF1A2. Our data not only provide insights into the physiological functions of SET/TAF-Iα and complement the SET interaction networks, but also demonstrate that TCE exposure induces alterations in the expression, distribution and interactions of SET and its binding partners. These alterations may constitute the mechanisms of TCE cytotoxicity. -- Highlights: ► Identify 62 SET/TAF-Iα-associated proteins in human L-02 cells ► Trichloroethylene (TCE) alters the interaction of SET with eEF1A1 and eEF1A2. ► TCE induces the translocation and up-regulation of SET. ► TCE induces the translocation and up-regulation of eEF1A.

  19. The Aerosol Lidar Validation Experiment … ALIVE 1Schmid, B., 2Ferrare, R., 3Turner,D., 4Flynn, C., 5Cairns, B., 6Dominguez, R., 6Gore, W., 7Groff, D., 8Herman, B., 9Hovelman, B., 10Jefferson, A., 6Johnson, R., 5Knobelspiesse, K., 4Mendoza, A., 10Ogren, J., 4Petty, D., ?Russell, E., 6Russell, P., 4Roeder, L., 6Truong, N. 1BAER Institute, 2NASA Langley Res. Center, 3Univ. Of Wisconsin-Madison, 4Pacific Northwest Natl. Lab., 5Columbia Univ., 6NASA Ames Res. Center, 7ARM SGP, 8City Univ. of New York, 9Sky Research, Inc., 10NOAA CMDL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

  20. Synthesis and structure of a 2D → 3D framework with coexistence...

    Office of Scientific and Technical Information (OSTI)

    Monitoring and Pollution Control, Collaborative Innovation ... Crystallography Reports; Journal Volume: 60; Journal Issue: ... Country of input: International Atomic Energy Agency ...

  1. Use of CYP52A2A promoter to increase gene expression in yeast

    DOEpatents

    Craft, David L.; Wilson, C. Ron; Eirich, Dudley; Zhang, Yeyan

    2004-01-06

    A nucleic acid sequence including a CYP promoter operably linked to nucleic acid encoding a heterologous protein is provided to increase transcription of the nucleic acid. Expression vectors and host cells containing the nucleic acid sequence are also provided. The methods and compositions described herein are especially useful in the production of polycarboxylic acids by yeast cells.

  2. Mercury (I) nitroprusside: A 2D structure supported on homometallic interactions

    SciTech Connect

    Osiry, H.; Cano, A.; Reguera, L.; Lemus-Santana, A.A.; Reguera, E.

    2015-01-15

    The pentacyanonitrosylferrate complex anion, [Fe(CN){sub 5}NO]{sup 2−}, forms an insoluble solid with Hg(I) ion, of formula unit Hg{sub 2}[Fe(CN){sub 5}NO]·2H{sub 2}O, whose crystal structure and related properties are unknown. This contribution reports the preparation of that compound by the precipitation method and its structural study from X-ray powder patterns complemented with spectroscopic information from IR, Raman, and UV–vis techniques. The crystal structure was solved ab initio and then refined using the Rietveld method. The solid crystallizes with a triclinic unit cell, in the P−1 space group, with cell parameters a=10.1202(12), b=10.1000(13), c=7.4704(11) Å; α=110.664(10), β=110.114(10), γ=104.724(8) °. Within the unit cell, two formula units are accommodated (Z=2). It adopts a layered structure related with the coordination of the equatorial CN groups at their N end to the Hg atoms while the axial CN ligand remains unlinked. Within the layers neighboring Hg{sub 2}[Fe(CN){sub 5}NO] building units remain linked through four relatively strong Hg–Hg interactions, with an interatomic distance of 2.549(3) Å. The charge donation from the equatorial CN groups through their 5σ orbitals results into an increase for the electron density on the Hg atoms, which strengths the Hg–Hg bond. In the Raman spectrum, that metal–metal bond is detected as a stretching vibration band at 167 cm{sup −1}. The available free volume between neighboring layers accommodates two water molecules, which are stabilized within the framework through hydrogen bonds with the N end of the unlinked axial CN group. The removal of these weakly bonded water molecules results in structural disorder for the material 3D framework. - Graphical abstract: Assembling of Hg{sub 2}[Fe(CN){sub 5}NO] units through Hg–Hg interactions. - Highlights: • Homometallic Hg–Hg interactions in metal nitroprusside. • 2D structure supported on metal–metal interactions. • Crystal structure and related properties for mercury (I) nitroprusside. • IR and UV–vis spectral features for mercury (I) nitroprusside.

  3. Testing an Active Diesel Particulate Filter on a 2-Cycle Marine...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Presentation given at DEER 2006, August 20-24, 2006, Detroit, Michigan. Sponsored by the U.S. DOE's EERE FreedomCar and Fuel Partnership and 21st Century Truck Programs. ...

  4. Testing an Active Diesel Particulate Filter on a 2-Cycle Marine Engine

    Office of Energy Efficiency and Renewable Energy (EERE)

    Presentation given at DEER 2006, August 20-24, 2006, Detroit, Michigan. Sponsored by the U.S. DOE's EERE FreedomCar and Fuel Partnership and 21st Century Truck Programs.

  5. Measurements of the Proton and Deuteron Spin Structure Function g2 and Asymmetry A2

    SciTech Connect

    K. Abe; T. Akagi; P. L. Anthony; R. Antonov; R. G. Arnold; T. Averett; H. R Band; J. M. Bauer; H. Borel; P.E. Bosted; V. Breton; J. Button-Shafer; J.P. Chen; T.E. Chupp; J. Clendenin; C. Comptour; K. P. Coulter; G. Court; D. Crabb; M. Daoudi; D. Day; F. S. Dietrich; J. Dunne; H. Dutz; R. Erbacher; J. Fellbaum; A. Feltham; H. Fonvieille; E. Frlez; D. Garvey; R. Gearhart; J. Gomez; P. Grenier; K. A. Griffioen; S. Hoibraten; E. W. Hughes; C. Hyde-Wright; J. R. Johnson; D. Kawall; A. Klein; S. E. Kuhn; M. Kuriki; R. Lindgren; T. J. Liu; R. M. Lombard-Nelsen; J. Marroncle; T. Marnyama; X. K. Marnyama; J. McCarthy; W. Meyer; Z.-E. Meziani; R. Minehart; J. Mitchell; J. Morgenstern; G. G. Petratos; R. Pitthan; D. Pocanic; C. Prescott; R. Prepost; P. Raines; B. Raue; D. Reyna; A. Rijllart; Y. Roblin; L. S. Rochester; S. E. Rock; O. A. Rondon; I. Sick; L. C. Smith; T. B. Smith; M. Spengos; F. Staley; P. Steiner; S. St.Lorant; L. M. Stuart; F. Suekane; Z. M. Szalata; H. Tang; Y. Terrien; T. Usher; D. Walz; J.L. White; K. Witte; C.C. Young; B. Youngman; H. Yuta; G. Zapalac; B. Zihlmann; D. Zimmermann

    1996-01-22

    We have measured proton and deuteron virtual photon-nucleon asymmetries A{sup p}{sub 2} and A{sup d}{sub 2} and structure functions g{sup p}{sub 2} and g{sup d}{sub 2} over the range 0.03 < x < 0.8 and 1.3 < Q{sup 2} < 10 (GeV/c){sup 2} by inelastically scattering polarized electrons off polarized ammonia targets. Results for A{sub 2} are significantly smaller than the positivity limit (sqrt)R for both targets. Within experimental precision the g{sub 2} data are well described by the twist-2 contribution, g{sup ww}{sub 2}. Twist-3 matrix elements have been extracted and are compared to theoretical predictions.

  6. Independent Review of AFC 2A, 2B, and 2E ATR Irradiation Tests

    SciTech Connect

    M. Cappiello; R. Hobbins; K. Penny; L. Walters

    2014-01-01

    As part of the Department of Energy Advanced Fuel Cycle program, a series of fuels development irradiation tests have been performed in the Advanced Test Reactor (ATR) at the Idaho National Laboratory. These tests are providing excellent data for advanced fuels development. The program is focused on the transmutation of higher actinides which best can be accomplished in a sodium-cooled fast reactor. Because a fast test reactor is no longer available in the US, a special test vehicle is used to achieve near-prototypic fast reactor conditions (neutron spectra and temperature) for use in ATR (a water-cooled thermal reactor). As part of the testing program, there were many successful tests of advanced fuels including metals and ceramics. Recently however, there have been three experimental campaigns using metal fuels that experienced failure during irradiation. At the request of the program, an independent review committee was convened to review the post-test analyses performed by the fuels development team, to assess the conclusions of the team for the cause of the failures, to assess the adequacy and completeness of the analyses, to identify issues that were missed, and to make recommendations for improvements in the design and operation of future tests. Although there is some difference of opinion, the review committee largely agreed with the conclusions of the fuel development team regarding the cause of the failures. For the most part, the analyses that support the conclusions are sufficient.

  7. A 2-terminal perovskite/silicon multijunction solar cell enabled by a silicon tunnel junction

    SciTech Connect

    Mailoa, Jonathan P.; Bailie, Colin D.; Johlin, Eric C.; Hoke, Eric T.; Akey, Austin J.; Nguyen, William H.; McGehee, Michael D.; Buonassisi, Tonio

    2015-03-24

    With the advent of efficient high-bandgap metal-halide perovskite photovoltaics, an opportunity exists to make perovskite/silicon tandem solar cells. We fabricate a monolithic tandem by developing a silicon-based interband tunnel junction that facilitates majority-carrier charge recombination between the perovskite and silicon sub-cells. We demonstrate a 1 cm2 2-terminal monolithic perovskite/silicon multijunction solar cell with a VOC as high as 1.65 V. As a result, we achieve a stable 13.7% power conversion efficiency with the perovskite as the current-limiting sub-cell, and identify key challenges for this device architecture to reach efficiencies over 25%.

  8. Signals of a 2 TeV $W'$ boson and a heavier $Z'$ boson

    SciTech Connect

    Dobrescu, Bogdan A.; Fox, Patrick J.

    2015-11-05

    We construct an SU(2)L x SU(2)R x U(1)B-L model with a Higgs sector that consists of a bidoublet and a doublet, and with a right-handed neutrino sector that includes one Dirac fermion and one Majorana fermion. This model explains the CMS and ATLAS excess events in the e+e-jj, jj, Wh0 and WZ channels in terms of a W' boson of mass near 1.9 TeV and of coupling gR in the 0.4-0.5 range (with the lower half preferred by the limits on tb- resonances). We found that the production cross section of this W' boson at the 13 TeV LHC is in the 720-1100 fb range, allowing sensitivity in more than 17 final states. Furthermore, we determine that the Z' boson has a mass in the 2.9-4.5 TeV range and several decay channels that can be probed in Run 2 of the LHC, including cascade decays via heavy Higgs bosons. Interpreting the CMS e+e-event at 2.9 TeV as coming from the Z', the mass ratio of the Z' and W' bosons requires gR ≈0.48, which implies a pp →Z' → ℓ+-cross section of 2 fb at √s = 13 TeV.

  9. Takes Electric or Magnetic field data through Inversion process a 2D Distributon

    Energy Science and Technology Software Center

    2008-05-01

    Program images 2D distributions in electrical conductivity for geophysical applications. The program can treat surface based and cross well measurement geometries, including inductive and grounded source antennas in the quasi-static limit. The algorithm using Krylov iterative methods to solve for the predicted data and model sensitivities. The model update is achieved using a Gauss-newton optimization process for stability. A new line search capability is now included in the algorithm to insure global convergence of themore » inversion iteration.« less

  10. AC-magnetotransport of a 2DEG in the quantum Hall regime

    SciTech Connect

    Hernndez, C.; Chaubet, C.

    2014-05-15

    In this paper we present an ac-magneto-transport study of a two-dimensional electron gas (2DEG) in the quantum Hall effect (QHE) regime, for frequencies in the range [100Hz, 1MHz]. We present a new approach to understand admittance measurements based in the Landauer-Buttiker formalism for QHE edge channels and taking into account the capacitance and the topology of the cables connected to the contacts used in the measurements. Our model predicts an universal behavior with the a-dimensional parameter RC? where R is the 2 wires resistance of the 2DEG, C the capacitance cables and the angular frequency, in agreement with experiments.

  11. Understanding the Mechanism of Human P450 CYP1A2 Using Coupled...

    Office of Scientific and Technical Information (OSTI)

    Despite extensive experimental research on this enzyme system, key questions regarding its ... In order to elucidate the reaction mechanism in human P450, new computational methods are ...

  12. Development of a 2 MW CW Waterload for Electron Cyclotron Heating Systems

    SciTech Connect

    R. Lawrence,Ives; Maxwell Mizuhara; George Collins; Jeffrey Neilson; Philipp Borchard

    2012-11-09

    Calabazas Creek Research, Inc. developed a load capable of continuously dissipating 2 MW of RF power from gyrotrons. The input uses HE11 corrugated waveguide and a rotating launcher to uniformly disperse the power over the lossy surfaces in the load. This builds on experience with a previous load designed to dissipate 1 MW of continuous RF power. The 2 MW load uses more advanced RF dispersion to double the capability in the same size device as the 1 MW load. The new load reduces reflected power from the load to significantly less than 1 %. This eliminates requirements for a preload to capture reflected power. The program updated control electronics that provides all required interlocks for operation and measurement of peak and average power. The program developed two version of the load. The initial version used primarily anodized aluminum to reduce weight and cost. The second version used copper and stainless steel to meet specifications for the ITER reactor currently under construction in France. Tests of the new load at the Japanese Atomic Energy Agency confirmed operation of the load to a power level of 1 MW, which is the highest power currently available for testing the load. Additional tests will be performed at General Atomics in spring 2013. The U.S. ITER organization will test the copper/stainless steel version of the load in December 2012 or early in 2013. Both loads are currently being marketed worldwide.

  13. RAPID/Roadmap/11-FD-a (2) | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    The manner of consultation may vary depending on the agency's planning process, the nature of the undertaking, and the nature of its effects (36 CFR 800.3(c)(3)); Failure of a...

  14. Skeletal remodeling dynamics: New approaches with imaging instrumentation. [Laser confocal microscopy:a2

    SciTech Connect

    Parks, N.J.; Pinkerton, K.E.; Seibert, J.A.; Pool, R.R.

    1991-01-01

    This report of progress and future objectives timetable is based on an included schematic of goals and objectives and the project abstract which is included as Appendix 1. Five matters are summarized in the order of (1) novel methods of calcified bone confocal microscopy and reconstruction image analysis of decalcified beagle and human cortical bone serial sections, (2) macroscopic cross-correlation of beagle and human cortical and cancellous bone fractions with CT analysis, (3) guidance to the most radiobiologically important skeletal regions of interest with the just completed {sup 90}Sr bone tumor map from life time beagle studies, (4) deposition patterns of radioactive agents that participate in apatite crystal nucleation processes in bone and leave radiation-excited electrons trapped in bone mineral, and (5) the budget period timetable. The discovery that beta particles from {sup 166}Ho (T{sub {1/2}} =26 hr, {beta}{sub max} = 1.8 MeV) phosphonic acid bone agents leave detectable, long-lived, electron paramagnetic resonance signals in bone is included in Appendix 2 as a joint report.

  15. Appendix A-2 Comments Received in Response to the Open Federal...

    Annual Energy Outlook

    a regional basis. In addition to providing an extra measure of confidentiality, reporting data on a regional basis will assist with the management of fuel supply in the United...

  16. Canonical formalism for a 2n-dimensional model with topological mass generation

    SciTech Connect

    Deguchi, Shinichi [Institute of Quantum Science, College of Science and Technology, Nihon University, Chiyoda-ku, Tokyo 101-8308 (Japan)

    2008-12-15

    The four-dimensional model with topological mass generation that was found by Dvali, Jackiw, and Pi has recently been generalized to any even number of dimensions (2n dimensions) in a nontrivial manner in which a Stueckelberg-type mass term is introduced [S. Deguchi and S. Hayakawa, Phys. Rev. D 77, 045003 (2008)]. The present paper deals with a self-contained model, called here a modified hybrid model, proposed in this 2n-dimensional generalization and considers the canonical formalism for this model. For the sake of convenience, the canonical formalism itself is studied for a model equivalent to the modified hybrid model by following the recipe for treating constrained Hamiltonian systems. This formalism is applied to the canonical quantization of the equivalent model in order to clarify observable and unobservable particles in the model. The equivalent model (with a gauge-fixing term) is converted to the modified hybrid model (with a corresponding gauge-fixing term) in a Becchi-Rouet-Stora-Tyutin-invariant manner. Thereby it is shown that the Chern-Pontryagin density behaves as an observable massive particle (or field). The topological mass generation is thus verified at the quantum-theoretical level.

  17. RAPID/Roadmap/19-CA-a (2) | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Toolkit related to hydropower are currently under development and subject to change Water Access and Water Rights (19-CA-a) Based on the nature of the energy resource,...

  18. A 2-terminal perovskite/silicon multijunction solar cell enabled by a silicon tunnel junction

    DOE PAGES [OSTI]

    Mailoa, Jonathan P.; Bailie, Colin D.; Johlin, Eric C.; Hoke, Eric T.; Akey, Austin J.; Nguyen, William H.; McGehee, Michael D.; Buonassisi, Tonio

    2015-03-24

    With the advent of efficient high-bandgap metal-halide perovskite photovoltaics, an opportunity exists to make perovskite/silicon tandem solar cells. We fabricate a monolithic tandem by developing a silicon-based interband tunnel junction that facilitates majority-carrier charge recombination between the perovskite and silicon sub-cells. We demonstrate a 1 cm2 2-terminal monolithic perovskite/silicon multijunction solar cell with a VOC as high as 1.65 V. As a result, we achieve a stable 13.7% power conversion efficiency with the perovskite as the current-limiting sub-cell, and identify key challenges for this device architecture to reach efficiencies over 25%.

  19. Conceptual design of a 2 tesla superconducting solenoid for the Fermilab D{O} detector upgrade

    SciTech Connect

    Brzezniak, J.; Fast, R.W.; Krempetz, K.

    1994-05-01

    This paper presents a conceptual design of a superconducting solenoid to be part of a proposed upgrade for the D0 detector. This detector was completed in 1992, and has been taking data since then. The Fermilab Tevatron had scheduled a series of luminosity enhancements prior to the startup of this detector. In response to this accelerator upgrade, efforts have been underway to design upgrades for D0 to take advantage of the new luminosity, and improvements in detector technology. This magnet is conceived as part of the new central tracking system for D0, providing a radiation-hard high-precision magnetic tracking system with excellent electron identification.

  20. Utility Test Results of a 2-Megawatt, 10-Second Reserve-Power System

    SciTech Connect

    BALL,GREG J.; NORRIS,BENJAMIN L.

    1999-10-01

    This report documents the 1996 evaluation by Pacific Gas and Electric Company of an advanced reserve-power system capable of supporting 2 MW of load for 10 seconds. The system, developed under a DOE Cooperative Agreement with AC Battery Corporation of East Troy, Wisconsin, contains battery storage that enables industrial facilities to ''ride through'' momentary outages. The evaluation consisted of tests of system performance using a wide variety of load types and operating conditions. The tests, which included simulated utility outages and voltage sags, demonstrated that the system could provide continuous power during utility outages and other disturbances and that it was compatible with a variety of load types found at industrial customer sites.

  1. Dark Matter Limits From a 2L C3F8 Filled Bubble Chamber

    SciTech Connect

    Robinson, Alan Edward

    2015-12-01

    The PICO-2L C3F8 bubble chamber search forWeakly Interacting Massive Particle (WIMP) dark matter was operated in the SNOLAB underground laboratory at the same location as the previous CF3I lled COUPP-4kg detector. Neutron calibrations using photoneutron sources in C3F8 and CF3I lled calibration bubble chambers were performed to verify the sensitivity of these target uids to dark matter scattering. This data was combined with similar measurements using a low-energy neutron beam at the University of Montreal and in situ calibrations of the PICO-2L and COUPP-4kg detectors. C3F8 provides much greater sensitivity to WIMP-proton scattering than CF3I in bubble chamber detectors. PICO-2L searched for dark matter recoils with energy thresholds below 10 keV. Radiopurity assays of detector materials were performed and the expected neutron recoil background was evaluated to be 1.6+0:3

  2. Use of Rapid Temperature Measurements at a 2-Meter Depth to Augment...

    OpenEI (Open Energy Information) [EERE & EIA]

    obtains accurate temperatures within an hour of emplacing hollow steel probes into the ground, making it possible to map results on a daily basis so that temperature surveys can...

  3. A 2.5D Computational Method to Simulate Cylindrical Fluidized Beds

    SciTech Connect

    Li, Tingwen; Benyahia, Sofiane; Dietiker, Jeff; Musser, Jordan; Sun, Xin

    2015-02-17

    In this paper, the limitations of axisymmetric and Cartesian two-dimensional (2D) simulations of cylindrical gas-solid fluidized beds are discussed. A new method has been proposed to carry out pseudo-two-dimensional (2.5D) simulations of a cylindrical fluidized bed by appropriately combining computational domains of Cartesian 2D and axisymmetric simulations. The proposed method was implemented in the open-source code MFIX and applied to the simulation of a lab-scale bubbling fluidized bed with necessary sensitivity study. After a careful grid study to ensure the numerical results are grid independent, detailed comparisons of the flow hydrodynamics were presented against axisymmetric and Cartesian 2D simulations. Furthermore, the 2.5D simulation results have been compared to the three-dimensional (3D) simulation for evaluation. This new approach yields better agreement with the 3D simulation results than with axisymmetric and Cartesian 2D simulations.

  4. Simulation and Experimental Studies of a 2.45GHz Magnetron Source...

    Office of Scientific and Technical Information (OSTI)

    Based on early Simulink simulation, experimental data and extension of the Adler equation ... Authors: Wang, Haipeng 1 ; Plawski, Tomasz E. 1 ; Rimmer, Robert A. 1 ; Dudas, A. ...

  5. Understanding the Mechanism of Human P450 CYP1A2 Using Coupled...

    Office of Scientific and Technical Information (OSTI)

    Authors: Draeger, E W ; Bennion, B ; Gygi, F ; Lightstone, F Publication Date: 2006-02-10 OSTI Identifier: 899113 Report Number(s): UCRL-TR-219003 TRN: US200708%%159 DOE Contract ...

  6. GBL-2D Version 1.0: a 2D geometry boolean library.

    SciTech Connect

    McBride, Cory L. (Elemental Technologies, American Fort, UT); Schmidt, Rodney Cannon; Yarberry, Victor R.; Meyers, Ray J. (Elemental Technologies, American Fort, UT)

    2006-11-01

    This report describes version 1.0 of GBL-2D, a geometric Boolean library for 2D objects. The library is written in C++ and consists of a set of classes and routines. The classes primarily represent geometric data and relationships. Classes are provided for 2D points, lines, arcs, edge uses, loops, surfaces and mask sets. The routines contain algorithms for geometric Boolean operations and utility functions. Routines are provided that incorporate the Boolean operations: Union(OR), XOR, Intersection and Difference. A variety of additional analytical geometry routines and routines for importing and exporting the data in various file formats are also provided. The GBL-2D library was originally developed as a geometric modeling engine for use with a separate software tool, called SummitView [1], that manipulates the 2D mask sets created by designers of Micro-Electro-Mechanical Systems (MEMS). However, many other practical applications for this type of software can be envisioned because the need to perform 2D Boolean operations can arise in many contexts.

  7. Development of a 2 MW CW Waterload for Electron Cyclotron Heating...

    Office of Scientific and Technical Information (OSTI)

    The second version used copper and stainless steel to meet specifications for the ITER ... Additional testsmore will be performed at General Atomics in spring 2013. The U.S. ITER ...

  8. Wind Technology Testing Center Earns A2LA Accreditation for Blade...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    of Energy (DOE), the Massachusetts Clean Energy Center, and the National Renewable ... and certification plays a critical role in successful marketing at home and abroad. ...

  9. Microsoft Word - 2009-014655 - 2010 SGSR Appendix A 2 2 2012...

    Office of Environmental Management (EM)

    ... | Page A.v A.45 ERCOT Measured and Projected Capacity vs. ... power such as wind and solar generation, which can vary ... emission- and petroleum-free cars and light ...

  10. Measurement of the proton $A_1$ and $A_2$ spin asymmetries. Probing Color Forces

    SciTech Connect

    Armstrong, Whitney

    2015-05-01

    The Spin Asymmetries of the Nucleon Experiment (SANE) measured the proton spin structure function $g_2$ in a range of Bjorken x, 0.3 < x < 0.8, where extraction of the twist-3 matrix element $d_2^p$ (an integral of $g_2$ weighted by $x^2$) is most sensitive. The data was taken from $Q^2$ equal to 2.5 $GeV^2$ up to 6.5 $GeV^2$. In this polarized electron scattering off a polarized hydrogen target experiment, two double spin asymmetries, A∥ and A⊥ were measured using the BETA (Big Electron Telescope Array) Detector. BETA consisted of a scintillator hodoscope, gas Cerenkov counter, lucite hodoscope and a large lead glass electromagnetic calorimeter. With a unique open geometry, a threshold gas Cerenkov detector allowed BETA to cleanly identify electrons for this inclusive experiment. A measurement of $d_2^p$ is compared to lattice QCD calculations.

  11. Submit a Public Comment on The Atmosphere to Electrons (A2e)...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Related Articles Upcoming Funding Opportunity for Wind Forecasting Improvement Project in Complex Terrain Funding Opportunity Announcement for Wind Forecasting Improvement Project in ...

  12. A novel coordination polymer with an interwoven double-layer structure: Synthesis and characterization of [Zn(4,4{prime}-bipy)(H{sub 2}O)(SO{sub 4})]{center_dot}0.5H{sub 2}O

    SciTech Connect

    Huang, S.D.; Xiong, R.G.; Sotero, P.H.

    1998-07-01

    The pseudo three-dimensional coordination polymer [Zn(4,4{prime}-bipy)(H{sub 2}O)(SO{sub 4})]{center_dot}0.5H{sub 2}O (1) was synthesized by the ethanothermal reaction of 4,4{prime}-bipyridine with ZnSO{sub 4}{center_dot}7H{sub 2}O in the molar ratio of 1:1 in a sealed tube at 120 C. The compound was characterized by FT-IR, diffuse reflectance UV/vis, X-ray powder diffraction, and single crystal X-ray analysis. The structure features two-dimensional interwoven networks stacked together by the complementary hydrogen bonding between layers. Crystallographic data for 1, C{sub 10}H{sub 11}N{sub 2}O{sub 5.5}SZn are monoclinic C2/c ({number_sign}15), a = 20.545(1), b = 9.6492(6), c = 12.3949(8) {angstrom}, {beta} = 104.089(1){degree}, V = 238.3(2) {angstrom}{sup 3}, Z = 8, {rho}{sub calcd} = 1.921gcm{sup {minus}3}, {mu} = 2.260 mm{sup {minus}1}, T = 295K, R = 0.0310, R{sub w} = 0.0398, and goodness-of-fit = 1.663.

  13. Microsoft Word - Class 1 PMN_Change_in_the_DOE_CBFO_Manager_9-30-2015_Rev_11_edited_for_signature

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Chief Hazardous Waste Bureau Department of Energy Carlsbad Field Office P. 0 . Box 3090 Carlsbad, New Mexico 88221 o tr o a 2o1s New Mexico Environment Department 2905 Rodeo Park Drive East, Building 1 Santa Fe, New Mexico 87505-6303 Subject: Class 1 Permit Modification Notification to the Waste Isolation Pilot Plant Hazardous Waste Facility Perm it Number: NM4890139088-TSDF Dear Mr. Kieling: Enclosed is the following Class 1 Permit Modification Notification: * Change in the Department of

  14. Draft Site-Wide Environmental Impact Statement Nevada References - Main 2 |

    National Nuclear Security Administration (NNSA)

    National Nuclear Security Administration | (NNSA)A> 2 Attachment Size blm 2004b 16.08 MB blm 2008b 27.87 MB blm 2009c 113.78 MB blm 2010a 69.59 MB blm 2010b 37.73 MB blm 2010d 5.65 MB blm doe 2010 163.03 MB cccp 2006 48.47 MB cccp 2007 18.06 MB crs 2009 760.34 KB doe 1995a 422.48 KB doe 1996b 245.67 MB doe 2002e 1.44 MB doe 2004d 20.69 MB doe 2004e 16.83 MB doe 2006f 1.83 MB doe 2007a 33.28 MB doe 2007b 9.37 MB doe 2007c 17.58 MB doe 2007d 211.72 KB doe 2007e 4.98 MB doe 2007f 36.95 MB doe

  15. Thermal Neutron Capture for Nuclei A = 3 - 20

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Thermal Neutron Capture Evaluated Data for Nuclei A = 3 - 20 Go to the Text Only below if you prefer to view the nuclides in a text list. 19Ne 20Ne 18F 19F 20F 15O 16O 17O 18O 19O 13N 14N 15N 16N 11C 12C 13C 14C 15C 8B 9B 10B 11B 12B 7Be 8Be 9Be 10Be 11Be 6Li 7Li 8Li 9Li 4He p 2H 3H n Color-code Key: Experiments have been performed Others Note: Comments, and corrections are welcome. Please email us. List of available thermal neutron capture data for A = 2 - 20 nuclides: Hydrogen: 2H, 3H Helium:

  16. SECTIONS B THROUGH H

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    B-9 B.8 FEE DETERMINATION AND PAYMENT ......B-13 B.12 DEAR 970.5215-3, CONDITIONAL PAYMENT OF FEE, PROFIT, AND OTHER INCENTIVES - ...

  17. B

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ......... 7 B.9 CONDITIONAL PAYMENT OF FEE, PROFIT, OR INCENTIVES ... requirements and do not represent payment for the specific named milestone itself. ...

  18. LANL: AOT & LANSCE The Pulse December 2009

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ... Hillary Smith, Michael Jablin, and Jaroslaw Majewski (LANSCE- LC); and Joseph Hickey, Antoinette Trujillo, and James Freyer (B-9) used NR to examine living mouse fbroblast cells ...

  19. F

    Office of Legacy Management (LM)

    ... Boiler and Turbine Lab. ..'i: Philadelphia Navy Yard Philadelphia, PA 0 .. b, 9. Naval Gun Factory and Bureau of Ordnance Washington, DC I:'.:',"' '10. Naval Ordnance Plant ...

  20. A Cross-model Comparison of Global Long-term Technology Diffusion under a 2?C Climate Change Control Target

    SciTech Connect

    van der Zwaan, Bob; Rosler, Hilke; Kober, Tom; Aboumahboub, Tino; Calvin, Katherine V.; Gernaat, David; Marangoni, Giacomo; McCollum, David

    2013-11-01

    We investigate the long-term global energy technology diffusion patterns required to reach a stringent climate change target with a maximum average atmospheric temperature increase of 2C. If the anthropogenic temperature increase is to be limited to 2C, total CO2 emissions have to be reduced massively, so as to reach substantial negative values during the second half of the century. Particularly power sector CO2 emissions should become negative from around 2050 onwards according to most models used for this analysis in order to compensate for GHG emissions in other sectors where abatement is more costly. The annual additional capacity deployment intensity (expressed in GW/yr) for solar and wind energy until 2030 needs to be around that recently observed for coal-based power plants, and will have to be several times higher in the period 20302050. Relatively high agreement exists across models in terms of the aggregated low-carbon energy system cost requirements on the supply side until 2050, which amount to about 50 trillion US$.

  1. A 2-D Test Problem for CFD Modeling Heat Transfer in Spent Fuel Transfer Cask Neutron Shields

    SciTech Connect

    Zigh, Ghani; Solis, Jorge; Fort, James A.

    2011-01-14

    In the United States, commercial spent nuclear fuel is typically moved from spent fuel pools to outdoor dry storage pads within a transfer cask system that provides radiation shielding to protect personnel and the surrounding environment. The transfer casks are cylindrical steel enclosures with integral gamma and neutron radiation shields. Since the transfer cask system must be passively cooled, decay heat removal from spent nuclear fuel canister is limited by the rate of heat transfer through the cask components, and natural convection from the transfer cask surface. The primary mode of heat transfer within the transfer cask system is conduction, but some cask designs incorporate a liquid neutron shield tank surrounding the transfer cask structural shell. In these systems, accurate prediction of natural convection within the neutron shield tank is an important part of assessing the overall thermal performance of the transfer cask system. The large-scale geometry of the neutron shield tank, which is typically an annulus approximately 2 meters in diameter but only 5-10 cm in thickness, and the relatively small scale velocities (typically less than 5 cm/s) represent a wide range of spatial and temporal scales that contribute to making this a challenging problem for computational fluid dynamics (CFD) modeling. Relevant experimental data at these scales are not available in the literature, but some recent modeling studies offer insights into numerical issues and solutions; however, the geometries in these studies, and for the experimental data in the literature at smaller scales, all have large annular gaps that are not prototypic of the transfer cask neutron shield. This paper presents results for a simple 2-D problem that is an effective numerical analog for the neutron shield application. Because it is 2-D, solutions can be obtained relatively quickly allowing a comparison and assessment of sensitivity to model parameter changes. Turbulence models are considered as well as the tradeoff between steady state and transient solutions. Solutions are compared for two commercial CFD codes, FLUENT and STAR-CCM+. The results can be used to provide input to the CFD Best Practices for this application. Following study results for the 2-D test problem, a comparison of simulation results is provided for a high Rayleigh number experiment with large annular gap. Because the geometry of this validation is significantly different from the neutron shield, and due to the critical nature of this application, the argument is made for new experiments at representative scales

  2. Investigation of combined free and forced convection in a 2 x 6 rod bundle during controlled flow transients

    SciTech Connect

    Bates, J.M.; Khan, E.U.

    1980-10-01

    An experimental study was performed to obtain local fluid velocity and temperature measurements in the mixed (combined free and forced) convection regime for specific flow coastdown transients. A brief investigation of steady-state flows for the purely free-convection regime was also completed. The study was performed using an electrically heated 2 x 6 rod bundle contained in a flow housing. In addition a transient data base was obtained for evaluating the COBRA-WC thermal-hydraulic computer program (a modified version of the COBRA-IV code).

  3. Acceptance for Beneficial Use for the Canister Cleaning System for the K West basin Project A-2A

    SciTech Connect

    FARWICK, C.C.

    2000-04-04

    This documents the documentation that is required to be turned over to Operations with the Canister Cleaning System (CCS). The Acceptance for Beneficial Use will be updated as required prior to turnover. This document is prepared for the purposes of documenting an agreement among the various disciplines and organizations within the Spent Nuclear Fuel (SNF) Project as to what is required in terms of installed components of the CCS. This documentation will be used to achieve project closeout and turnover of ownership of the CCS to K Basins Operations.

  4. Presentation of the MERC work-flow for the computation of a 2D radial reflector in a PWR

    SciTech Connect

    Clerc, T.; Hebert, A.; Leroyer, H.; Argaud, J. P.; Poncot, A.; Bouriquet, B.

    2013-07-01

    This paper presents a work-flow for computing an equivalent 2D radial reflector in a pressurized water reactor (PWR) core, in adequacy with a reference power distribution, computed with the method of characteristics (MOC) of the lattice code APOLLO2. The Multi-modelling Equivalent Reflector Computation (MERC) work-flow is a coherent association of the lattice code APOLLO2 and the core code COCAGNE, structured around the ADAO (Assimilation de Donnees et Aide a l'Optimisation) module of the SALOME platform, based on the data assimilation theory. This study leads to the computation of equivalent few-groups reflectors, that can be spatially heterogeneous, which have been compared to those obtained with the OPTEX similar methodology developed with the core code DONJON, as a first validation step. Subsequently, the MERC work-flow is used to compute the most accurate reflector in consistency with all the R and D choices made at Electricite de France (EDF) for the core modelling, in terms of number of energy groups and simplified transport solvers. We observe important reductions of the power discrepancies distribution over the core when using equivalent reflectors obtained with the MERC work-flow. (authors)

  5. Application of a solar wind model driven by turbulence dissipation to a 2D magnetic field configuration

    SciTech Connect

    Lionello, Roberto; Downs, Cooper; Linker, Jon A.; Miki?, Zoran; Velli, Marco E-mail: cdowns@predsci.com E-mail: mikic@predsci.com

    2014-12-01

    Although it is widely accepted that photospheric motions provide the energy source and that the magnetic field must play a key role in the process, the detailed mechanisms responsible for heating the Sun's corona and accelerating the solar wind are still not fully understood. Cranmer et al. developed a sophisticated, one-dimensional (1D), time-steady model of the solar wind with turbulence dissipation. By varying the coronal magnetic field, they obtain, for a single choice of wave properties, a realistic range of slow and fast wind conditions with a sharp latitudinal transition between the two streams. Using a 1D, time-dependent model of the solar wind of Lionello et al., which incorporates turbulent dissipation of Alfvn waves to provide heating and acceleration of the plasma, we have explored a similar configuration, obtaining qualitatively equivalent results. However, our calculations suggest that the rapid transition between slow and fast wind suggested by this 1D model may be disrupted in multidimensional MHD simulations by the requirement of transverse force balance.

  6. Plasma characterization of the superconducting proton linear accelerator plasma generator using a 2 MHz compensated Langmuir probe

    SciTech Connect

    Schmitzer, C.; Kronberger, M.; Lettry, J.; Sanchez-Arias, J.; Stoeri, H.

    2012-02-15

    The CERN study for a superconducting proton Linac (SPL) investigates the design of a pulsed 5 GeV Linac operating at 50 Hz. As a first step towards a future SPL H{sup -} volume ion source, a plasma generator capable of operating at Linac4 or nominal SPL settings has been developed and operated at a dedicated test stand. The hydrogen plasma is heated by an inductively coupled RF discharge e{sup -} and ions are confined by a magnetic multipole cusp field similar to the currently commissioned Linac4 H{sup -} ion source. Time-resolved measurements of the plasma potential, temperature, and electron energy distribution function obtained by means of a RF compensated Langmuir probe along the axis of the plasma generator are presented. The influence of the main tuning parameters, such as RF power and frequency and the timing scheme is discussed with the aim to correlate them to optimum H{sup -} ion beam parameters measured on an ion source test stand. The effects of hydrogen injection settings which allow operation at 50 Hz repetition rate are discussed.

  7. Innovative concept for an advanced hadron facility based on a 2 GeV H/sup -/ linac

    SciTech Connect

    Thiessen, H.A.

    1987-01-01

    This report presents parameters for an innovative new concept for the design of an advanced hadron facility. We propose combining a cold neutron source with a kaon factory. We also discuss the possibility of a shared target for neutron and neutrino experiments. An initial cost estimate is presented.

  8. A 2D/1D coupling neutron transport method based on the matrix MOC and NEM methods

    SciTech Connect

    Zhang, H.; Zheng, Y.; Wu, H.; Cao, L.

    2013-07-01

    A new 2D/1D coupling method based on the matrix MOC method (MMOC) and nodal expansion method (NEM) is proposed for solving the three-dimensional heterogeneous neutron transport problem. The MMOC method, used for radial two-dimensional calculation, constructs a response matrix between source and flux with only one sweep and then solves the linear system by using the restarted GMRES algorithm instead of the traditional trajectory sweeping process during within-group iteration for angular flux update. Long characteristics are generated by using the customization of commercial software AutoCAD. A one-dimensional diffusion calculation is carried out in the axial direction by employing the NEM method. The 2D and ID solutions are coupled through the transverse leakage items. The 3D CMFD method is used to ensure the global neutron balance and adjust the different convergence properties of the radial and axial solvers. A computational code is developed based on these theories. Two benchmarks are calculated to verify the coupling method and the code. It is observed that the corresponding numerical results agree well with references, which indicates that the new method is capable of solving the 3D heterogeneous neutron transport problem directly. (authors)

  9. Laboratory and Vehicle Demonstration of a "2nd-Generation" LNT+in-situ SCR Diesel NOx Emission Control Concept

    Energy.gov [DOE]

    Experimental results show low-emissions potential - possibly T2/B2 (SULEV) NOx with low-emitting engines and system optimization.

  10. Characterization and use of a 2D-array of ion chambers for brachytherapy dosimetric quality assurance

    SciTech Connect

    Yewondwossen, Mammo

    2012-10-01

    The two-dimensional (2D) ionization chamber array MatriXX Evolution is one of the 2D ionization chamber arrays developed by IBA Dosimetry (IBA Dosimetry, Germany) for megavoltage real-time absolute 2D dosimetry and verification of intensity-modulated radiation therapy (IMRT). The purpose of this study was to (1) evaluate the performance of ion chamber array for submegavoltage range brachytherapy beam dose verification and quality assurance (QA) and (2) use the end-to-end dosimetric evaluation that mimics a patient treatment procedure and confirm the primary source strength calibration agrees in both the treatment planning system (TPS) and treatment delivery console computers. The dose linearity and energy dependence of the 2D ion chamber array was studied using kilovoltage X-ray beams (100, 180 and 300 kVp). The detector calibration factor was determined using 300 kVp X-ray beams so that we can use the same calibration factor for dosimetric verification of high-dose-rate (HDR) brachytherapy. The phantom used for this measurement consists of multiple catheters, the IBA MatriXX detector, and water-equivalent slab of RW3 to provide full scattering conditions. The treatment planning system (TPS) (Oncentra brachy version 3.3, Nucletron BV, Veenendaal, the Netherlands) dose distribution was calculated on the computed tomography (CT) scan of this phantom. The measured and TPS calculated distributions were compared in IBA Dosimetry OmniPro-I'mRT software. The quality of agreement was quantified by the gamma ({gamma}) index (with 3% delta dose and distance criterion of 2 mm) for 9 sets of plans. Using a dedicated phantom capable of receiving 5 brachytherapy intralumenal catheters a QA procedure was developed for end-to-end dosimetric evaluation for routine QA checks. The 2D ion chamber array dose dependence was found to be linear for 100-300 kVp and the detector response (k{sub user}) showed strong energy dependence for 100-300 kVp energy range. For the Ir-192 brachytherapy HDR source, dosimetric evaluation k{sub user} factor determined by photon beam of energy of 300 kVp was used. The maximum mean difference between ion chamber array measured and TPS calculated was 3.7%. Comparisons of dose distribution for different test plans have shown agreement with >94.5% for {gamma} {<=}1. Dosimetric QA can be performed with the 2D ion chamber array to confirm primary source strength calibration is properly updated in both the TPS and treatment delivery console computers. The MatriXX Evolution ionization chamber array has been found to be reliable for measurement of both absolute dose and relative dose distributions for the Ir-192 brachytherapy HDR source.

  11. "Table A2. Total Consumption of LPG, Distillate Fuel Oil, and Residual Fuel"

    Energy Information Administration (EIA) (indexed site)

    . Total Consumption of LPG, Distillate Fuel Oil, and Residual Fuel" " Oil for Selected Purposes by Census Region, Industry Group, and Selected" " Industries, 1991" " (Estimates in Barrels per Day) " ,,,,," Input for Heat,",,," Primary" " ",," Consumption for All Purposes",,,"Power, and Generation of Electricity",,," Consumption for Nonfuel Purposes ",,,"RSE" "SIC",,"

  12. A conformational transition in the structure of a 2'-thiomethyl-modified DNA visualized at high resolution

    SciTech Connect

    Pallan, Pradeep S.; Prakash, Thazha P.; Li, Feng; Eoff, Robert L.; Manoharan, Muthiah; Egli, Martin

    2009-06-17

    Crystal structures of A-form and B-form DNA duplexes containing 2'-S-methyl-uridines reveal that the modified residues adopt a RNA-like C3'-endo pucker, illustrating that the replacement of electronegative oxygen at the 2'-carbon of RNA by sulfur does not appear to fundamentally alter the conformational preference of the sugar in the oligonucleotide context and sterics trump stereoelectronics.

  13. Effects of solar ultraviolet photons on mammalian cell DNA. [UVA (320-400 nm):a2

    SciTech Connect

    Peak, M.J.; Peak, J.G.

    1991-01-01

    This document presents information on the possible mechanisms of carcinogenesis caused by UVA (ultraviolet radiation in the 320--400 nm region). Most studies showing the carcinogenic effects of ultraviolet light have concentrated on UVB (280--320 nm). UVA had been considered harmless even though it penetrates biological tissues better than UVB. Recently, it has become apparent that UVA is also capable of causing damage to cellular DNA. This was unexpected because the DNA UV absorption spectrum indicates a negligible probability that photons of wavelengths longer than 320 nm will be directly absorbed. The most common defects induced in DNA by UVB are pyrimidine photoproducts, such as thymidine dimers. UVA photons produce defects resembling those caused by ionizing radiations: single- and double-strand breaks, and DNA-protein crosslinks. This paper also discusses the role of DNA repair mechanisms in UVA-induced defects and the molecular mechanisms of UVA damage induction. 38 refs. (MHB)

  14. A Simplified Methodology for Estimating the Pressure Buildup and Hydrogen Concentration Within a 2R/6M Container

    SciTech Connect

    SANCHEZ,LAWRENCE C.; OTTINGER,CATHY A.; POLANSKY,GARY F.

    2001-08-01

    A simplified and bounding methodology for analyzing the pressure buildup and hydrogen concentration within an unvented 2R container was developed (the 2R is a sealed container within a 6M package). The specific case studied was the gas buildup due to alpha radiolysis of water moisture sorbed on small quantities (less than 20 Ci per package) of plutonium oxide. Analytical solutions for gas pressure buildup and hydrogen concentration within the unvented 2R container were developed. Key results indicated that internal pressure buildup would not be significant for a wide range of conditions. Hydrogen concentrations should also be minimal but are difficult to quantify due to a large variation/uncertainty in model parameters. Additional assurance of non-flammability can be obtained by the use of an inert backfill gas in the 2R container.

  15. SU-D-12A-04: Investigation of a 2D Antiscatter Grid for Flat Panel Detectors

    SciTech Connect

    Altunbas, C; Kavanagh, B; Miften, M; Zhong, Y; Shaw, C

    2014-06-01

    Purpose: To improve CT number accuracy and contrast sensitivity, a novel 2D antiscatter grid (ASG) for flat panel detector (FPD) based CBCT imaging was evaluated. Experiments were performed to characterize the scatter rejection and contrast sensitivity performance of ASG. The reduction in primary transmission for various ASG geometries was also evaluated by a computational model. Methods: The 2D ASG design was based on multi-hole collimators used in Nuclear Medicine. It consisted of abutted hexagon shaped apertures with 2.5 mm pitch and 32 mm height, and separated by 0.25 mm thick lead septa. Scatter-to-primary ratio (SPR), contrast-to-noise ratio (CNR), and mean primary transmission were measured using a benchtop FPD/x-ray source system. Acrylic slabs of varying thicknesses were imaged with a contrast-detail phantom to measure CNR and SPR under different scatter conditions. Primary transmission was also measured by averaging pixel values in flood field images without the phantom. We additionally explored variation of primary transmission with pitch and septum thickness using a computational model of our ASG. Results: Our 2D ASG reduced the SPR from 3.3 to 0.12, and improved CNR by 50% in 20 cm thick slab phantom projections acquired at 120 kVp. While the measured primary transmission was 72.8%, our simulations show that primary transmission can be increased to 86% by reducing the septum thickness to 0.1 mm. Primary transmission further increases to 93% if septum thickness of 0.1 mm is used in conjunction with an increased pitch of 4 mm. Conclusion: The 2D ASG appears to be a promising scatter rejection device, offering both superior scatter rejection and improved contrast sensitivity. Though its lead footprint reduced primary transmission, our work shows that optimization of aperture pitch and septum thickness can significantly improve the primary transmission.

  16. A 2D ion chamber array audit of wedged and asymmetric fields in an inhomogeneous lung phantom

    SciTech Connect

    Lye, Jessica; Dunn, Leon Alves, Andrew; Kenny, John; Lehmann, Joerg; Williams, Ivan; Kron, Tomas; Cole, Andrew

    2014-10-15

    Purpose: The Australian Clinical Dosimetry Service (ACDS) has implemented a new method of a nonreference condition Level II type dosimetric audit of radiotherapy services to increase measurement accuracy and patient safety within Australia. The aim of this work is to describe the methodology, tolerances, and outcomes from the new audit. Methods: The ACDS Level II audit measures the dose delivered in 2D planes using an ionization chamber based array positioned at multiple depths. Measurements are made in rectilinear homogeneous and inhomogeneous phantoms composed of slabs of solid water and lung. Computer generated computed tomography data sets of the rectilinear phantoms are supplied to the facility prior to audit for planning of a range of cases including reference fields, asymmetric fields, and wedged fields. The audit assesses 3D planning with 6 MV photons with a static (zero degree) gantry. Scoring is performed using local dose differences between the planned and measured dose within 80% of the field width. The overall audit result is determined by the maximum dose difference over all scoring points, cases, and planes. Pass (Optimal Level) is defined as maximum dose difference ≤3.3%, Pass (Action Level) is ≤5.0%, and Fail (Out of Tolerance) is >5.0%. Results: At close of 2013, the ACDS had performed 24 Level II audits. 63% of the audits passed, 33% failed, and the remaining audit was not assessable. Of the 15 audits that passed, 3 were at Pass (Action Level). The high fail rate is largely due to a systemic issue with modeling asymmetric 60° wedges which caused a delivered overdose of 5%–8%. Conclusions: The ACDS has implemented a nonreference condition Level II type audit, based on ion chamber 2D array measurements in an inhomogeneous slab phantom. The powerful diagnostic ability of this audit has allowed the ACDS to rigorously test the treatment planning systems implemented in Australian radiotherapy facilities. Recommendations from audits have led to facilities modifying clinical practice and changing planning protocols.

  17. Meson-meson bound state in a 2+1 lattice QCD model with two flavors and strong coupling

    SciTech Connect

    Faria da Veiga, Paulo A.; O'Carroll, Michael; Neto, Antonio Francisco

    2005-08-01

    We consider the existence of bound states of two mesons in an imaginary-time formulation of lattice QCD. We analyze an SU(3) theory with two flavors in 2+1 dimensions and two-dimensional spin matrices. For a small hopping parameter and a sufficiently large glueball mass, as a preliminary, we show the existence of isoscalar and isovector mesonlike particles that have isolated dispersion curves (upper gap up to near the two-particle threshold {approx}-4ln{kappa}). The corresponding meson masses are equal up to and including O({kappa}{sup 3}) and are asymptotically of order -2ln{kappa}-{kappa}{sup 2}. Considering the zero total isospin sector, we show that there is a meson-meson bound state solution to the Bethe-Salpeter equation in a ladder approximation, below the two-meson threshold, and with binding energy of order b{kappa}{sup 2}{approx_equal}0.02359{kappa}{sup 2}. In the context of the strong coupling expansion in {kappa}, we show that there are two sources of meson-meson attraction. One comes from a quark-antiquark exchange. This is not a meson exchange, as the spin indices are not those of the meson particle, and we refer to this as a quasimeson exchange. The other arises from gauge field correlations of four overlapping bonds, two positively oriented and two of opposite orientation. Although the exchange part gives rise to a space range-one attractive potential, the main mechanism for the formation of the bound state comes from the gauge contribution. In our lattice Bethe-Salpeter equation approach, this mechanism is manifested by an attractive distance-zero energy-dependent potential. We recall that no bound state appeared in the one-flavor case, where the repulsive effect of Pauli exclusion is stronger.

  18. MagicPlate-512: A 2D silicon detector array for quality assurance of stereotactic motion adaptive radiotherapy

    SciTech Connect

    Petasecca, M. Newall, M. K.; Aldosari, A. H.; Fuduli, I.; Espinoza, A. A.; Porumb, C. S.; Guatelli, S.; Metcalfe, P.; Lerch, M. L. F.; Rosenfeld, A. B.; Booth, J. T.; Colvill, E.; Duncan, M.; Cammarano, D.; Carolan, M.; Oborn, B.; Perevertaylo, V.; Keall, P. J.

    2015-06-15

    Purpose: Spatial and temporal resolutions are two of the most important features for quality assurance instrumentation of motion adaptive radiotherapy modalities. The goal of this work is to characterize the performance of the 2D high spatial resolution monolithic silicon diode array named “MagicPlate-512” for quality assurance of stereotactic body radiation therapy (SBRT) and stereotactic radiosurgery (SRS) combined with a dynamic multileaf collimator (MLC) tracking technique for motion compensation. Methods: MagicPlate-512 is used in combination with the movable platform HexaMotion and a research version of radiofrequency tracking system Calypso driving MLC tracking software. The authors reconstruct 2D dose distributions of small field square beams in three modalities: in static conditions, mimicking the temporal movement pattern of a lung tumor and tracking the moving target while the MLC compensates almost instantaneously for the tumor displacement. Use of Calypso in combination with MagicPlate-512 requires a proper radiofrequency interference shielding. Impact of the shielding on dosimetry has been simulated by GEANT4 and verified experimentally. Temporal and spatial resolutions of the dosimetry system allow also for accurate verification of segments of complex stereotactic radiotherapy plans with identification of the instant and location where a certain dose is delivered. This feature allows for retrospective temporal reconstruction of the delivery process and easy identification of error in the tracking or the multileaf collimator driving systems. A sliding MLC wedge combined with the lung motion pattern has been measured. The ability of the MagicPlate-512 (MP512) in 2D dose mapping in all three modes of operation was benchmarked by EBT3 film. Results: Full width at half maximum and penumbra of the moving and stationary dose profiles measured by EBT3 film and MagicPlate-512 confirm that motion has a significant impact on the dose distribution. Motion, no motion, and motion with MLC tracking profiles agreed within 1 and 0.4 mm, respectively, for all field sizes tested. Use of electromagnetic tracking system generates a fluctuation of the detector baseline up to 10% of the full scale signal requiring a proper shielding strategy. MagicPlate-512 is also able to reconstruct the dose variation pulse-by-pulse in each pixel of the detector. An analysis of the dose transients with motion and motion with tracking shows that the tracking feedback algorithm used for this experiment can compensate effectively only the effect of the slower transient components. The fast changing components of the organ motion can contribute only to discrepancy of the order of 15% in penumbral region while the slower components can change the dose profile up to 75% of the expected dose. Conclusions: MagicPlate-512 is shown to be, potentially, a valid alternative to film or 2D ionizing chambers for quality assurance dosimetry in SRS or SBRT. Its high spatial and temporal resolutions allow for accurate reconstruction of the profile in any conditions with motion and with tracking of the motion. It shows excellent performance to reconstruct the dose deposition in real time or retrospectively as a function of time for detailed analysis of the effect of motion in a specific pixel or area of interest.

  19. New Mexico Center for Particle Physics (NMCPP) -- Task A: Collider Physics; Task A2: Collider Physics; Task B: Particle Astrophysics

    SciTech Connect

    Matthews, John; Seidel, Sally; Gold, Michael

    2013-11-05

    During the period 2010-­‐2012, we conducted particle physics research with the ATLAS and CDF experiments and developed new instrumentation for tracking fundamental particles.

  20. Numerical modeling of a 2K J-T heat exchanger used in Fermilab Vertical Test Stand VTS-1

    SciTech Connect

    Gupta, Prabhat Kumar; Rabehl, Roger

    2014-07-01

    Fermilab Vertical Test Stand-1 (VTS-1) is in operation since 2007 for testing the superconducting RF cavities at 2 K. This test stand has single layer coiled finned tubes heat exchanger before J-T valve. A finite difference based thermal model has been developed in Engineering Equation Solver (EES) to study its thermal performance during filling and refilling to maintain the constant liquid level of test stand. The model is also useful to predict its performance under other various operating conditions and will be useful to design the similar kind of heat exchanger for future needs. Present paper discusses the different operational modes of this heat exchanger and its thermal characteristics under these operational modes. Results of this model have also been compared with the experimental data gathered from the VTS-1 heat exchanger and they are in good agreement with the present model.

  1. Numerical investigation of the flat band Bloch modes in a 2D photonic crystal with Dirac cones

    DOE PAGES [OSTI]

    Zhang, Peng; Fietz, Chris; Tassin, Philippe; Koschny, Thomas; Soukoulis, Costas M.; Institute of Electronic Structure

    2015-04-14

    A numerical method combining complex-k band calculations and absorbing boundary conditions for Bloch waves is presented. We use this method to study photonic crystals with Dirac cones. We demonstrate that the photonic crystal behaves as a zero-index medium when excited at normal incidence, but that the zero-index behavior is lost at oblique incidence due to excitation of modes on the flat band. We also investigate the formation of monomodal and multimodal cavity resonances inside the photonic crystals, and the physical origins of their different line-shape features.

  2. CALiPER Report 21.1. Linear (T8) Lamps in a 2x4 K12-Lensed Troffer

    SciTech Connect

    2014-04-01

    This report focuses on the performance of the same 31 linear LED lamps operated in a typical troffer with a K12 prismatic lens. In general, luminaire efficacy is strongly dictated by lamp efficacy, but the optical system of the luminaire substantially reduces the differences between the luminous intensity distributions of the lamps. While the distributions in the luminaire are similar, the differences remain large enough that workplane illuminance uniformity may be reduced if linear LED lamps with a narrow distribution are used. At the same time, linear LED lamps with a narrower distribution result in slightly higher luminaire efficiency.

  3. Structural and Functional Analysis of Two New Positive Allosteric Modulators of GluA2 Desensitization and Deactivation

    SciTech Connect

    Timm, David E.; Benveniste, Morris; Weeks, Autumn M.; Nisenbaum, Eric S.; Partin, Kathryn M.

    2011-10-14

    At the dimer interface of the extracellular ligand-binding domain of {alpha}-amino-3-hydroxy-5-methylisoxazole-4-propionic acid (AMPA) receptors a hydrophilic pocket is formed that is known to interact with two classes of positive allosteric modulators, represented by cyclothiazide and the ampakine 2H,3H,6aH-pyrrolidino(2,1-3',2')1,3-oxazino(6',5'-5,4)benzo(e)1,4-dioxan-10-one (CX614). Here, we present structural and functional data on two new positive allosteric modulators of AMPA receptors, phenyl-1,4-bis-alkylsulfonamide (CMPDA) and phenyl-1,4-bis-carboxythiophene (CMPDB). Crystallographic data show that these compounds bind within the modulator-binding pocket and that substituents of each compound overlap with distinct moieties of cyclothiazide and CX614. The goals of the present study were to determine (1) the degree of modulation by CMPDA and CMPDB of AMPA receptor deactivation and desensitization; (2) whether these compounds are splice isoform-selective; and (3) whether predictions of mechanism of action could be inferred by comparing molecular interactions between the ligand-binding domain and each compound with those of cyclothiazide and CX614. CMPDB was found to be more isoform-selective than would be predicted from initial binding assays. It is noteworthy that these new compounds are both more potent and more effective and may be more clinically relevant than the AMPA receptor modulators described previously.

  4. Multi-omics analysis reveals regulators of the response to nitrogen...

    Office of Scientific and Technical Information (OSTI)

    Erin L. 1 ; Purvine, Samuel O. 1 ; Hu, Dehong 1 ; Metz, Thomas O. 1 ; Baker, Scott E. 1 + Show Author Affiliations Pacific Northwest National Lab. (PNNL), ...

  5. Standards Pave the Way for Next Generation Workplace Charging...

    Energy.gov [DOE] (indexed site)

    E2 BrandMfg Key 16 BTC Power E2 17 CMI-EVSE LLC E2 18 Keba E2 19 Telefonix E2 20 Tesla Motors-Adapter E2 21 Chargepoint O1 22 ClipperCreek O1 23 DBT O1 24 SemaConnect O1 25 ...

  6. Documentation - Laboratory for Laser Energetics

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    (S-OM-P-165) S.O. 1-2.2: Type 2 - Non-Propagating (S-OM-P-166) S.O. 1-2.3: Type 3 - A Splitter (S-OM-P-167) S.O. 1-2.4: Type 4 - Terminating in Laser Bay (S-OM-P-168) S.O. 1-2.5: ...

  7. Experimental Characterization of a Grid-Loss Event on a 2.5-MW Dynamometer Using Advanced Operational Modal Analysis: Preprint

    SciTech Connect

    Helsen, J.; Weijtjens, W.; Guo, Y.; Keller, J.; McNiff, B.; Devriendt, C.; Guillaume, P.

    2015-02-01

    This paper experimentally investigates a worst case grid loss event conducted on the National Renewable Energy Laboratory (NREL) Gearbox Reliability Collaborative (GRC) drivetrain mounted on the 2.5MW NREL dynamic nacelle test-rig. The GRC drivetrain has a directly grid-coupled, fixed speed asynchronous generator. The main goal is the assessment of the dynamic content driving this particular assess the dynamic content of the high-speed stage of the GRC gearbox. In addition to external accelerometers, high frequency sampled measurements of strain gauges were used to assess torque fluctuations and bending moments both at the nacelle main shaft and gearbox high-speed shaft (HSS) through the entire duration of the event. Modal analysis was conducted using a polyreference Least Squares Complex Frequency-domain (pLSCF) modal identification estimator. The event driving the torsional resonance was identified. Moreover, the pLSCF estimator identified main drivetrain resonances based on a combination of acceleration and strain measurements. Without external action during the grid-loss event, a mode shape characterized by counter phase rotation of the rotor and generator rotor determined by the drivetrain flexibility and rotor inertias was the main driver of the event. This behavior resulted in significant torque oscillations with large amplitude negative torque periods. Based on tooth strain measurements of the HSS pinion, this work showed that at each zero-crossing, the teeth lost contact and came into contact with the backside flank. In addition, dynamic nontorque loads between the gearbox and generator at the HSS played an important role, as indicated by strain gauge-measurements.

  8. Kepler-22b: A 2.4 EARTH-RADIUS PLANET IN THE HABITABLE ZONE OF A SUN-LIKE STAR

    SciTech Connect

    Borucki, William J.; Koch, David G.; Bryson, Stephen T.; Howell, Steve B.; Lissauer, Jack J.; Batalha, Natalie; Rowe, Jason; Caldwell, Douglas A.; DeVore, Edna; Jenkins, Jon M.; Fressin, Francois; Torres, Guillermo; Geary, John C.; Latham, David W.; Christensen-Dalsgaard, Jorgen; Cochran, William D.; Gautier, Thomas N.; Gilliland, Ronald; Gould, Alan; Marcy, Geoffrey W.; and others

    2012-02-01

    A search of the time-series photometry from NASA's Kepler spacecraft reveals a transiting planet candidate orbiting the 11th magnitude G5 dwarf KIC 10593626 with a period of 290 days. The characteristics of the host star are well constrained by high-resolution spectroscopy combined with an asteroseismic analysis of the Kepler photometry, leading to an estimated mass and radius of 0.970 {+-} 0.060 M{sub Sun} and 0.979 {+-} 0.020 R{sub Sun }. The depth of 492 {+-} 10 ppm for the three observed transits yields a radius of 2.38 {+-} 0.13 Re for the planet. The system passes a battery of tests for false positives, including reconnaissance spectroscopy, high-resolution imaging, and centroid motion. A full BLENDER analysis provides further validation of the planet interpretation by showing that contamination of the target by an eclipsing system would rarely mimic the observed shape of the transits. The final validation of the planet is provided by 16 radial velocities (RVs) obtained with the High Resolution Echelle Spectrometer on Keck I over a one-year span. Although the velocities do not lead to a reliable orbit and mass determination, they are able to constrain the mass to a 3{sigma} upper limit of 124 M{sub Circled-Plus }, safely in the regime of planetary masses, thus earning the designation Kepler-22b. The radiative equilibrium temperature is 262 K for a planet in Kepler-22b's orbit. Although there is no evidence that Kepler-22b is a rocky planet, it is the first confirmed planet with a measured radius to orbit in the habitable zone of any star other than the Sun.

  9. Data:Ffe2fb55-352f-473b-a2dd-50ae8b27f0a6 | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    under review by our subject matter experts. Jump to: navigation, search Loading... 1. Basic Information 2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information...

  10. Combined planar imaging of schlieren photography with OH-LIPF and spontaneous OH-emission in a 2-D valveless pulse combustor

    SciTech Connect

    Ishino, Yojiro; Hasegawa, Tatsuya; Yamaguchi, Shigeki; Ohiwa, Norio

    1999-07-01

    Using a novel optical system, simultaneous imaging of schlieren photography and laser induced predissociation fluorescence of OH radicals (OH-LIPF) have been carried out to examine combustion processes and flame structure in a two-dimensional valveless pulse combustor. Simultaneous imaging of schlieren photographs and spontaneous OH-emission have also been made, in order to obtain information on the behavior of the flame front during a cycle of pulsation. The pulse combustor used in this experiment consists of a combustion chamber of a volume of 125 cm{sup 3} and a tailpipe of a length of 976 mm, which is followed by an automobile muffler. The fuel used is commercial grade gaseous propane.

  11. Phase diagram and magnetic structures of the Co-bearing dugganites Pb3TeCo3A2O14 (A = V, P)

    SciTech Connect

    Silverstein, H.J.; Sharma, A.Z.; Stoller, A.J.; Cruz-Kan, K.; Flacau, Roxana; Donaberger, R. L.; Zhou, H. D.; Manuel, P.; Huq, Ashfia; Kolesnikov, Alexander I; Wiebe, Christopher

    2013-01-01

    Exhibiting rich magnetic behaviour and potentially multiferroic properties, the dugganites, a Te^6+ containing subgroup of the langasite series, are an attractive family of compounds for future study. It was recently shown that Pb-bearing members of the dugganite series undergo distortions away from the P321 symmetry that is characteristic of the langasites. Here, we detail the consequences these distortions have on the magnetism exhibited by Pb3TeCo3V2O14 and Pb3TeCo3P2O14, solving the magnetic structures of both compounds with respect to a new supercell. Using neutron scattering and magnetic susceptibility measurements, we show that small applied magnetic fields can seriously perturb the delicate magnetic states in both of these systems. This is further demonstrated by presenting how doping P^5+ onto the nonmagnetic V^5+ site completely changes the magnetic structure from either of the end series members. Finally, it is shown using inelastic neutron scattering and magnetic susceptibility measurements that Pb3TeCo3V2O14 can be characterized using a model for isosceles trimers, which do not exist in the previously reported P321 subcell.

  12. SU-E-J-14: A Comparison of a 2.5MV Imaging Beam to KV and 6MV Imaging Beams

    SciTech Connect

    Nitsch, P; Robertson, D; Balter, P

    2015-06-15

    Purpose: To compare image quality metrics and dose of TrueBeam V2.0’s 2.5MV imaging beam and kV and 6MV images. Methods: To evaluate the MV image quality, the Standard Imaging QC-3 and Varian Las Vegas (LV) phantoms were imaged using the ‘quality’ and ‘low dose’ modes and then processed using RIT113 V6.3. The LEEDS phantom was used to evaluate the kV image quality. The signal to noise ratio (SNR) was also evaluated in patient images using Matlab. In addition, dose per image was evaluated at a depth of 5cm using solid water for a 28.6 cm × 28.6 cm field size, which is representative of the largest jaw settings at an SID of 150cm. Results: The 2.5MV images had lower dose than the 6 MV images and a contrast to noise ratio (CNR) about 1.4 times higher, when evaluated using the QC-3. When energy was held constant but dose varied, the different modes, ‘low dose’ and ‘quality’, showed less than an 8% difference in CNR. The ‘quality’ modes demonstrated better spatial resolution than the ‘low dose’; however, even with the ‘low dose’ all line pairs were distinct except for the 0.75lp/mm on the 2.5MV. The LV phantom was used to measure low contrast detectability and showed similar results to the QC-3. Several patient images all confirmed that SNR were highest in kV images followed by 2.5MV and then 6MV. Qualitatively, for anatomical areas with large variability in thickness, like lateral head and necks, 2.5MV images show more anatomy, such as shoulder position, than kV images. Conclusions: The kV images clearly provide the best image metrics per unit dose. The 2.5MV beam showed excellent contrast at a lower dose than 6MV and may be superior to kV for difficult to image areas that include large changes in anatomical thickness. P Balter: Varian, Sun Nuclear, Philips, CPRIT.

  13. DOE Publishes CALiPER Report on Linear (T8) LED Lamps in a 2x4 K12-Lensed Troffer

    Energy.gov [DOE]

    The U.S. Department of Energy's CALiPER program has released Report 21.1, which is part of a series of investigations on linear LED lamps. Report 21.1 focuses on the performance of 31 types of...

  14. RAPID/Best Practices/Coordinating Permit Offices | Open Energy...

    OpenEI (Open Energy Information) [EERE & EIA]

    of Natural Resources Office of Project Management and Permitting Early 1990s Large natural resource projects: mining, oil and gas, transportation, hydro AS 38.05.020(b)(9)...

  15. 7He

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    excess. 1992AMZY: 10B, 9Be(-, X), E at rest; measured pion, deuteron, triton spectra. ... 2d), 11B(-, pt), 10B(-, pd), E at rest; measured missing mass spectra. 7He ...

  16. Microsoft Word - PDEA Appendix B

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Chairman, Council of Athabascan Governments, and Laurie Thomas, President, Gwitchyaa Zhee Corporation and Subsidiaries. B-7 B-8 B-9 B-10 B-11 B-12 B-13 B-14 B-15 B-16 B-17 B-18

  17. BPA-2011-00747-FOIA Request

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Lightstone Organization: Valcoustics Canada Ltd. Address: 30 Wertheim Court, Unit 25 Richmond Hill, Ont L4B 1B9 Canada Phone: 905-764-5223 x232 No FAX number provided Email:...

  18. BPA-2011-00747-FOIA Correspondence

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Michael Lightstone Valcoustics Canada Ltd. 300 Wertheim C ourt, Unit 25 Richmond Hill, Ont L4B 1B9 Canada RE: FOIA BPA-2011-00747-F Dear Mr. Lightstone: Thank you for your request...

  19. Appendix A Annual Inspection Checklist, Maps, and Photographs

    Office of Legacy Management (LM)

    blank This page intentionally left blank Annual Site Inspection 2011 Photos B-9 - Depression that was filled in 2010; small hole on north side C-8 - Hole on southwest side of...

  20. DOE G 226.1-1 Federal Line Management Oversight of Department...

    Office of Environmental Management (EM)

    O 226.1A; NA-1 SD 226.1A; DOE O 420.1B). 9. Issues identified during previous reviews (e.g. CDNS Biennial Reviews, HSS reviews, self- assessments) have been appropriately...

  1. The effects of clobazam treatment in rats on the expression of genes and proteins encoding glucronosyltransferase 1A/2B (UGT1A/2B) and multidrug resistance‐associated protein-2 (MRP2), and development of thyroid follicular cell hypertrophy

    SciTech Connect

    Miyawaki, Izuru Tamura, Akitoshi; Matsumoto, Izumi; Inada, Hiroshi; Kunimatsu, Takeshi; Kimura, Juki; Funabashi, Hitoshi

    2012-12-15

    Clobazam (CLB) is known to increase hepatobiliary thyroxine (T4) clearance in Sprague–Dawley (SD) rats, which results in hypothyroidism followed by thyroid follicular cell hypertrophy. However, the mechanism of the acceleration of T4-clearance has not been fully investigated. In the present study, we tried to clarify the roles of hepatic UDP-glucronosyltransferase (UGT) isoenzymes (UGT1A and UGT2B) and efflux transporter (multidrug resistance–associated protein-2; MRP2) in the CLB-induced acceleration of T4-clearance using two mutant rat strains, UGT1A-deficient mutant (Gunn) and MRP2-deficient mutant (EHBR) rats, especially focusing on thyroid morphology, levels of circulating hormones (T4 and triiodothyronine (T3)) and thyroid-stimulating hormone (TSH), and mRNA or protein expressions of UGTs (Ugt1a1, Ugt1a6, and Ugt2b1/2) and MRP2 (Mrp). CLB induced thyroid morphological changes with increases in TSH in SD and Gunn rats, but not in EHBR rats. T4 was slightly decreased in SD and Gunn rats, and T3 was decreased in Gunn rats, whereas these hormones were maintained in EHBR rats. Hepatic Ugt1a1, Ugt1a6, Ugt2b1/2, and Mrp2 mRNAs were upregulated in SD rats. In Gunn rats, UGT1A mRNAs (Ugt1a1/6) and protein levels were quite low, but UGT2B mRNAs (Ugt2b1/2) and protein were prominently upregulated. In SD and Gunn rats, MRP2 mRNA and protein were upregulated to the same degree. These results suggest that MRP2 is an important contributor in development of the thyroid cellular hypertrophy in CLB-treated rats, and that UGT1A and UGT2B work in concert with MRP2 in the presence of MRP2 function to enable the effective elimination of thyroid hormones. -- Highlights: ► Role of UGT and MRP2 in thyroid pathology was investigated in clobazam-treated rats. ► Clobazam induced thyroid cellular hypertrophy in SD and Gunn rats, but not EHBR rats. ► Hepatic Mrp2 gene and protein were upregulated in SD and Gunn rats, but not EHBR rats. ► Neither serum thyroid hormones (T3/T4) nor thyroid pathology changed in EHBR rats. ► Mrp2 was implied to be a key molecule in clobazam-induced thyroid pathology in rats.

  2. POSSIBLE ALTERATION OF ROCKS OBSERVED BY CHEMCAM ALONG THE TRAVERSE...

    Office of Scientific and Technical Information (OSTI)

    Authors: Berger, B. 1 ; Blaney, D. 2 ; Bridges, J. 3 ; Cousin, A. 1 ; Forni, O. 1 ; Gasnault, O. 1 ; Lasue, J. 1 ; Mangold, N. 4 ; Maurice, S. 1 ; Meslin, P. Y. ...

  3. Search for: All records | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    ... The morphology is best represented by a ring shape, with innerouter radii 0sup o.7 +- 0sup o.1 and 1sup o.6more +- 0sup o.1. Given the association among X-ray rims, ...

  4. Electron temperature measurements inside the ablating plasma...

    Office of Scientific and Technical Information (OSTI)

    ; Jones, O. 1 ; Brown, G. V. 1 ; Regan, S. P. 2 ; Fournier, K. B. 1 ; Moore, A. S. 1 ; Ross, J. S. 1 ; Landen, O. 1 Search SciTech Connect for author ...

  5. Greater-than-Class C low-level radioactive waste characterization. Appendix A-2: Timing of greater-than-Class C low-level radioactive waste from nuclear power plants

    SciTech Connect

    Steinke, W.F.

    1994-09-01

    Planning for the storage or disposal of greater-than-Class C low-level radioactive waste (GTCC LLW) requires characterization of that waste. Timing, or the date the waste will require storage or disposal, is an integral aspect of that planning. The majority of GTCC LLW is generated by nuclear power plants, and the length of time a reactor remains operational directly affects the amount of GTCC waste expected from that reactor. This report uses data from existing literature to develop high, base, and low case estimates for the number of plants expected to experience (a) early shutdown, (b) 40-year operation, or (c) life extension to 60-year operation. The discussion includes possible effects of advanced light water reactor technology on future GTCC LLW generation. However, the main focus of this study is timing for shutdown of current technology reactors that are under construction or operating.

  6. A=13C (1976AJ04)

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    t2 group to 10B*(1.74) is not populated at 25 and 45; the yield curves do not display structure (1974KE06). 8. (a) 9Be(, )9Be Eb 10.648 (b) 9Be(, n)8Be Qm ...

  7. General Tables

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    7He, 8He, 9He, 10He Lithium: 5Li, 6Li, 7Li, 8Li, 9Li, 10Li Beryllium: 6Be, 7Be, 8Be, 9Be, 10Be Boron: 8B, 9B, 10B Carbon: 8C, 9C, 10C Nitrogen: 10N Last modified: 27 August 2009...

  8. Microsoft Word - FEA Appendix B

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Athabascan Governments, and Laurie Thomas, President, Gwitchyaa Zhee Corporation and Subsidiaries. B-7 B-8 B-9 B-10 B-11 B-12 B-13 B-14 B-15 B-16 B-17 B-18 B-19 B-20 B-21 B-22 ...

  9. Problems with interface change | OpenEI Community

    OpenEI (Open Energy Information) [EERE & EIA]

    ex.php?titleData:1c1ac6b9-5085-41f4-b478-2927d2fa41e7tab3.Energy http:en.openei.orgservicesrestutilityrates?versionlatest&formatjsonplain&detailfull&getpageData:1c1a...

  10. Inelastic neutron scattering as a possible background for neutrinoless...

    Office of Scientific and Technical Information (OSTI)

    Authors: Boswell, Melissa S 1 ; Devlin, Matthew J. 1 ; Elliott, Steven R 1 ; Fotiadis, Nikolaos 1 ; Hime, Andrew 1 ; Nelson, Ronald O. 1 ; Guiseppe, Vincente E. 2 ; ...

  11. Experimental Physical Sciences Vistas: Los Alamos NPAC Research...

    Office of Scientific and Technical Information (OSTI)

    D. 1 ; Kippen, Karen E. 1 ; Wilburn, Wesley S. 1 ; Vestrand, W. Thomas 1 ; Nelson, Ronald O. 1 ; Seestrom, Susan J. 1 + Show Author Affiliations Los Alamos National...

  12. p-Type transparent conducting oxides and methods for preparation...

    Office of Scientific and Technical Information (OSTI)

    Inventors: Shahriari, Dean Y. 1 ; Barnabe, Antoine 2 ; Mason, Thomas O. 1 ; Poeppelmeier, Kenneth R. 1 + Show Author Affiliations (Evanston, IL) (Toulouse, FR) Issue Date: ...

  13. Type Ia supernova rate measurements to redshift 2.5 from CANDELS...

    Office of Scientific and Technical Information (OSTI)

    Authors: Rodney, Steven A. ; Riess, Adam G. ; Graur, Or ; Jones, David O. 1 ; Strolger, Louis-Gregory ; Dahlen, Tomas ; Casertano, Stefano ; Ferguson, Henry C. ; Koekemoer, Anton ...

  14. Liuzhou Minghui Biofuel Co Ltd | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Autonomous Region, China Zip: 545006 Sector: Renewable Energy Product: A renewable energy project developer mainly focuse on biodiesel production with a o.1m-tonne plant in...

  15. Color dispersion and Milky-Way-like reddening among type Ia supernovae...

    Office of Scientific and Technical Information (OSTI)

    Authors: Scolnic, Daniel M. ; Riess, Adam G. ; Rodney, Steven A. ; Brout, Dillon J. ; Jones, David O. 1 ; Foley, Ryan J. 2 ; Rest, Armin 3 + Show Author Affiliations ...

  16. Attachment O

    Office of Environmental Management (EM)

    O WIPP MINE VENTILATION RATE MONITORING PLAN Waste Isolation Pilot Plant Hazardous Waste Permit May 8, 2012 (This page intentionally blank) Waste Isolation Pilot Plant Hazardous Waste Permit May 8, 2012 PERMIT ATTACHMENT O Page O-1 of 14 1 ATTACHMENT O 2 WIPP MINE VENTILATION RATE MONITORING PLAN 3 TABLE OF CONTENTS 4 O-1 Definitions ....................................................................................................................... 2 5 O-2 Objective

  17. Synthesis, characterizations and catalytic studies of a new two-dimensional metal−organic framework based on Co–carboxylate secondary building units

    SciTech Connect

    Bagherzadeh, Mojtaba; Ashouri, Fatemeh; Đaković, Marijana

    2015-03-15

    A metal–organic framework [Co{sub 3}(BDC){sub 3}(DMF){sub 2}(H{sub 2}O){sub 2}] was synthesized and structurally characterized. X-ray single crystal analysis revealed that the framework contains a 2D polymeric chain through coordination of 1,4-benzenedicarboxylic acid linker ligand to cobalt centers. The polymer crystallize in monoclinic P2{sub 1}/n space group with a=13.989(3) Å, b=9.6728(17) Å, c=16.707(3) Å, and Z=2. The polymer features a framework based on the perfect octahedral Co–O6 secondary building units. The catalytic activities of [Co{sub 3}(BDC){sub 3}(DMF){sub 2}(H{sub 2}O){sub 2}]{sub n} for olefins oxidation was conducted. The heterogeneous catalyst could be facilely separated from the reaction mixture, and reused three times without significant degradation in catalytic activity. Furthermore, no contribution from homogeneous catalysis of active species leaching into reaction solution was detected. - Graphical abstract: A metal–organic framework of [Co{sub 3}(BDC){sub 3}(DMF){sub 2}(H{sub 2}O){sub 2}] was synthesized by hydrothermal method. This 2D-periodic framework is constructed from the infinite Co–O–C secondary building units and crystallizes in the monoclinic P2{sub 1}/n space group based on Co(II)–carboxylate units. The catalytic oxidation of various olefins was effectively carried out with [Co{sub 3}(BDC){sub 3}(DMF){sub 2}(H{sub 2}O){sub 2}]{sub n} catalyst by TBHP as oxidant. - Highlights: • A metal–organic framework of [Co{sub 3}(BDC){sub 3}(DMF){sub 2}(H{sub 2}O){sub 2}] is prepared by hydrothermal method. • The [Co{sub 3}(BDC){sub 3}(DMF){sub 2}(H{sub 2}O){sub 2}]{sub n} is constructed from Co–carboxylate secondary building units. • This coordination polymer displayed high catalytic activity for olefin oxidation reactions. • The catalytic reaction is heterogeneous and catalyst can be simply separated. • The heterogeneous catalyst can be reused several times without significant loss of catalytic activity.

  18. Figure 2.jpg | OSTI, US Dept of Energy Office of Scientific and Technical

    Office of Scientific and Technical Information (OSTI)

    InformationA> 2

  19. A multi-functional coordination polymer coexisting spontaneous chirality resolution and weak ferromagnetism

    SciTech Connect

    Li, Xiu-Hua; Zhang, Qi; Hu, Ping

    2014-10-15

    A multifunctional homochiral coordination polymer, [Co(H{sub 2}O)(BDC)(4,4′-BPY)]∙3H{sub 2}O (1) (H{sub 2}BDC=1,2-benzenedicarboxylate and 4,4′-BPY=4,4′-bipyridine), has been successfully isolated from Co(II) ions and mixed ligands (1,2-benzenedicarboxylate and 4,4′-bipyridine). Complex 1, which exhibits spontaneous chirality resolution and weak ferromagnetism, is built by chiral helices interconnected via end-to-end 4,4′-BPY bridges into a two-dimensional (2D) layer structure. - Graphical abstract: A 2D cobalt coordination polymer compound showing spontaneous chirality resolution and weak ferromagnetism. - Highlights: • A new 2D cobalt mix-ligand coordination polymer complex has been synthesized. • The cobalt coordination polymer complex shows spontaneous chirality resolution in solid state. • The cobalt coordination polymer complex displays dominant and weak intrachain ferromagnetic interactions.

  20. Two Keggin-type heteropolytungstates with transition metal as a central atom: Crystal structure and magnetic study with 2D-IR correlation spectroscopy

    SciTech Connect

    Chai, Feng [Department of Chemistry, Fuzhou University, Fuzhou 350108 (China); Chen, YiPing, E-mail: ypchen007@sina.com [Department of Chemistry, Fuzhou University, Fuzhou 350108 (China); State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002 (China); You, ZhuChai; Xia, ZeMin; Ge, SuZhi; Sun, YanQiong; Huang, BiHua [Department of Chemistry, Fuzhou University, Fuzhou 350108 (China)

    2013-06-01

    Two Keggin-type heteropolytungstates, [Co(phen)?]?[CoW??O??]9H?O 1 (phen=1,10-phenanthroline) and [Fe(phen)?]?[FeW??O??]H?OH?O 2, have been synthesized via the hydrothermal technique and characterized by single crystal X-ray diffraction analyses, IR, XPS, TG analysis, UVDRS, XRD, thermal-dependent and magnetic-dependent 2D-COS IR (two-dimensional infrared correlation spectroscopy). Crystal structure analysis reveals that the polyanions in compound 1 are linked into 3D supramolecule through hydrogen bonding interactions between lattice water molecules and terminal oxygen atoms of polyanion units, and [Co(phen)?]? cations distributed in the polyanion framework with many hydrogen bonding interactions. The XPS spectra indicate that all the Co atoms in 1 are +2 oxidation state, the Fe atoms in 2 existing with +2 and +3 mixed oxidation states. - Graphical abstract: The magnetic-dependent synchronous 2D correlation IR spectra of 1 (a), 2 (b) over 050 mT in the range of 6001000 cm?, the obvious response indicate two Keggin polyanions skeleton susceptible to applied magnetic field. Highlights: Two Keggin-type heteropolytungstates with transition metal as a central atom has been obtained. Compound 1 forms into 3D supramolecular architecture through hydrogen bonding between water molecules and polyanions. Magnetic-dependent 2D-IR correlation spectroscopy was introduced to discuss the magnetism of polyoxometalate.

  1. TUNL Nuclear Data Project, HTML Project

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    B 9B is available in the following: HTML for 9B: (1959AJ76), (1966LA04), (1974AJ01), (1979AJ01), (1984AJ01), (1988AJ01), (2004TI06) 9B General Tables A = 9 is available for the following: Energy Level Diagrams for A = 9 A = 9 Tables A = 9 References PDF Documents for A = 9 Errata for A = 5 - 10 publications Last modified on 29 February 2016

  2. Refund Policy | Argonne Leadership Computing Facility

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Number and Capacity of Operable Petroleum Refineries by PAD District and State as of January 1, 2016 Idle Operating Total Stream Day Barrels per Idle Operating Total Calendar Day Barrels per Atmospheric Crude Oil Distillation Capacity Idle Operating Total Operable Refineries Number of State and PAD District a b b 9 9 0 1,277,500 1,245,500 32,000 1,353,000 1,318,000 35,000

  3. Bi–Mn mixed metal organic oxide: A novel 3d-6p mixed metal coordination network

    SciTech Connect

    Shi, Fa-Nian; Rosa Silva, Ana; Bian, Liang

    2015-05-15

    A new terminology of metal organic oxide (MOO) was given a definition as a type of coordination polymers which possess the feature of inorganic connectivity between metals and the direct bonded atoms and show 1D, 2D or 3D inorganic sub-networks. One such compound was shown as an example. A 3d-6p (Mn–Bi. Named MOOMnBi) mixed metals coordination network has been synthesized via hydrothermal method. The new compound with the molecular formula of [MnBi{sub 2}O(1,3,5-BTC){sub 2}]{sub n} (1,3,5-BTC stands for benzene-1,3,5-tricarboxylate) was characterized via single crystal X-ray diffraction technique that revealed a very interesting 3-dimensional (3D) framework with Bi{sub 4}O{sub 2}(COO){sub 12} clusters which are further connected to Mn(COO){sub 6} fragments into a 2D MOO. The topology study indicates an unprecedented topological type with the net point group of (4{sup 13}.6{sup 2})(4{sup 13}.6{sup 8})(4{sup 16}.6{sup 5})(4{sup 18}.6{sup 10})(4{sup 22}.6{sup 14})(4{sup 3}) corresponding to 3,6,7,7,8,9-c hexa-nodal net. MOOMnBi shows catalytic activity in the synthesis of (E)-α,β-unsaturated ketones. - Graphical abstract: This metal organic framework (MOF) is the essence of a 2D metal organic oxide (MOO). - Highlights: • New concept of metal organic oxide (MOO) was defined and made difference from metal organic framework. • New MOO of MOOMnBi was synthesized by hydrothermal method. • Crystal structure of MOOMnBi was determined by single crystal X-ray analysis. • The catalytic activity of MOOMnBi was studied showing reusable after 2 cycles.

  4. Search for: All records | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    Filter by Author Manfrinetti, P. (2) Fornasini, Maria L., E-mail: cfmet@chimica.unige.i (1) Isnard, O. (1) Manfrinetti, Pietro, E-mail: chimfis@chimica.unige.i (1) Mazzone, Donata, ...

  5. Conversion of Coal Mine Gas to ...

    Office of Scientific and Technical Information (OSTI)

    ... BECOME TOO GREAT WATER KNOCKOUT FIELD COMPRESSOR ... FROM GOV AT MARKETING ENGINEERING Dia (in) SHELTER FOR LNG ... Mines 2008) o >1,000' deep o >12' seam o Annual coal ...

  6. Long Duration Directional Drives for Star Formation and Photoionizatio...

    Office of Scientific and Technical Information (OSTI)

    Authors: Kane, J. O. 1 ; Martinez, D. A. 1 ; Pound, M. W. 1 ; Heeter, R. F. 1 ; Villette, B. 1 ; Casner, A. 1 ; Mancini, R. C. 1 + Show Author Affiliations Lawrence ...

  7. Discovery of a ternary pseudobrookite phase in the earth-abundant...

    Office of Scientific and Technical Information (OSTI)

    Title: Discovery of a ternary pseudobrookite phase in the earth-abundant TiZnO system Authors: Perry, Nicola H. ; Stevanovic, Vladan ; Lime, Linda Y. ; Mason, Thomas O. 1 ; CSM) ...

  8. UNLV DESERT SUNRISE DESERT SUNRISE HOME Project Summary

    Energy.gov [DOE] (indexed site)

    of the Moapa Band of Paiutes of Southern Nevada with contemporary, evidence-based design ... Project Data o Las Vegas, Nevada. o Climate Zone 3. o 1,387 sq. ft. o 2 bedrooms, 2 ...

  9. "Case in Point" Community-Scale Renewable Energy at Blue Lake...

    Energy.gov [DOE] (indexed site)

    L-+)10)-63O1*5)13P<5&C3 Microgrid Project" "%&'(&)'*+,&)-'.**"0123 "%&'(&)'*+,&)-'.**"0123 Microgrid Objectives" " H1&)3'3+&)7J&63GC&)-+'*3@&63O)13...

  10. Doubly Heavy Baryons, Heavy Quark-DiQuark Symmetry and NRQCD...

    Office of Scientific and Technical Information (OSTI)

    This method is used to rederive Lagrangians for the Qbar Q and QQ sectors of pNRQCD and give a correct derivation of the O(1mQ) prediction for the hyperfine splitting of doubly ...

  11. Search for: All records | DOE PAGES

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    Filter Results Filter by Author Birge, Norman O. (1) Borchers, J. A. (1) Ding, Junjia (1) ... S. ; Wang, Yixing ; Pratt, W. P. ; Birge, Norman O. ; McMorran, B. J. ; Ginley, T. P. ; ...

  12. High-Pressure MOF Research Yields Structural Insights

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ... A whole new family of piezofunctional materials may arise from the study of MOFs under ... Solid black lines in the bottom represent calculated mean planes. The O1-Zn1-O2' internal ...

  13. Search for: All records | DOE PAGES

    Office of Scientific and Technical Information (OSTI)

    (1) Metz, Thomas O. (1) Mitchell, Hugh (1) Pomraning, Kyle R. (1) Sherman, Louis A (1) Smith, Richard D (1) Taylor, Ronald (1) Thimmapuram, Jyothi (1) Wei, Siwei (1) Welkie, David...

  14. Fundamental Understanding of Methane-Carbon Dioxide-Water (CH4...

    Office of Scientific and Technical Information (OSTI)

    Fundamental Understanding of Methane-Carbon Dioxide-Water (CH4-CO2- H20) Interactions in Shale Nanopores under ReservoirSAND2o 1T-20" if4pe Yifeng Wang, Yongliang Xiong & Louise ...

  15. An experimental study of pool boiling heat transfer in reduced gravity

    SciTech Connect

    Shatto, D.P.; Renzi, K.I.; Peterson, G.P.; Morris, T.K.; Aaron, J.W.

    1996-12-31

    Experiments were performed in which pool boiling of pure water at reduced pressures was observed for behavior of the critical heatflux (CHF) and nucleate boiling heat transfer coefficients in a reduced gravitational environment. The experiments took place while alternating between microgravity and g/g{sub o} = 1.8 during parabolic flights aboard the NASA 930 (KC-135A). Heat transfer data were also obtained at Martian gravity levels (g/g{sub o} = 1/3). Parts of the test chamber were constructed of transparent materials to allow viewing and recording of the various boiling regimes encountered during the experiments. Results indicate that the onset of nucleate boiling occurred at lower heat fluxes in reduced gravity, resulting in higher two-phase heat transfer coefficients for g/g{sub o} < 1 than for g/g{sub o} = 1.8. In addition, the results indicate a significant reduction in the critical heat flux under reduced gravity conditions.

  16. Search for: All records | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    ... McFarlane, Joanna (2) Patton, Bradley D ORNL (2) Robinson, Sharon M ORNL (2) Bailey, Porter D (1) Campbell, David O (1) Chandler, David (1) Collins, Emory D. (1) DePaoli, David ...

  17. MEMORANDUM TO: FILE

    Office of Legacy Management (LM)

    ... HISTORl' Li.YITELl ST.-ITES .4R.O' 1 I:iSHZ.% TO.- D. C., I985 tion plants. ... and lubri- cants-needed to operate the plants safelv and efficiently with the highly ...

  18. Acquisition Regulation

    Energy.gov [DOE] (indexed site)

    .1 * * , No. AL-2015-09 Date August 25, 2015 fJ * - . *--o' 1 '.j t :i ?';; * * '"l'ES'ffito":J ACQUISITION LETTER This Acquisition Letter is issued under the authority ...

  19. Hf-irJ

    Office of Legacy Management (LM)

    Hf-irJ jnj,4 States Governmen Department of Energy Inemorandum DOTE: DAY o 1S5a . 7 EPY TO F . O 0 NE-24 SUJEC': Authorization for Remedial Action of Residential Vicinity ...

  20. Production of Butyric Acid and Butanol from Biomass

    Alternative Fuels and Advanced Vehicles Data Center

    ... composition (per liter of distilled water): MgCl 2 6H 2 O, 1 g; SO 4 (NH 4 ) 2 , ... butanol is more miscible with gasoline and diesel fuel but less miscible with water (10). ...

  1. U.S. DEPARTl\\1EN T OF ENERGY EERE PROJECT MANAGEMENT CENTER

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Seismic Noise Analysis Funding Opportunity Announcement Number DE-FOA-OOOO522 Procurement Instrument Number DE-EEOOO5518 NEPA Control Number cm Number GF0-000551fUlO1 Based on my...

  2. ChemCam contributions to the Lunar and Planetary Science Conference

    Office of Scientific and Technical Information (OSTI)

    (Conference) | SciTech Connect Conference: ChemCam contributions to the Lunar and Planetary Science Conference Citation Details In-Document Search Title: ChemCam contributions to the Lunar and Planetary Science Conference Authors: Forni, O. [1] ; Mangold, N [2] ; Ollila, Ann M. [3] ; Anderson, R. [4] ; Berger, G. [5] ; Bridges, J. [6] ; Clegg, Samuel M. [3] ; Cousin, A. [1] ; Dietrich, W. [7] ; Dromart, G. [8] ; Gupta, S. [9] ; Lewin, E. [10] ; Fabre, C. [11] ; Gasnault, O. [1] ; Herkenhoff,

  3. Large $N$ approach to kaon decays and mixing 28 years later: $$\\Delta I = 1/2$$ rule, $$\\hat B_K$$ and $$\\Delta M_K$$

    DOE PAGES [OSTI]

    Buras, Andrzej J.; Gérard, Jean -Marc; Bardeen, William A.

    2014-05-20

    We review and update our results for K → π π decays and K⁰- K¯⁰ mixing obtained by us in the 1980s within an approach based on the dual representation of QCD as a theory of weakly interacting mesons for large N colours. In our analytic approach the dynamics behind the enhancement of ReA0 and suppression of ReA2, the so-called ΔI = 1/2 rule for K → π π decays, has a simple structure: the usual octet enhancement through quark-gluon renormalization group evolution down to the scales O(1 GeV) is continued as a meson evolution down to zero momentum scalesmore » at which the factorization of hadronic matrix elements is at work. The inclusion of lowest-lying vector meson contributions in addition to the pseudoscalar ones and of Wilson coefficients in a momentum scheme improves significantly the matching between quark-gluon and meson evolutions. In particular, the anomalous dimension matrix governing the meson evolution exhibits the structure of the known anomalous dimension matrix in the quark-gluon evolution. The recent results on ReA2 and ReA0 from the RBC-UKQC collaboration give support for our approach. In particular, the signs of the two main contractions found numerically by these authors follow uniquely from our analytic approach. At NLO in 1/N we obtain R = ReA0/ReA2= 16.0±1.5 which amounts to an order of magnitude enhancement over the strict large N limit value √2. QCD penguins contribute at 15% level to this result. We also find B^K = 0.73± 0.02, with the smallness of 1/N corrections to the large N value B^K = 3/4 resulting within our approach from an approximate cancellation between pseudoscalar and vector meson one-loop contributions. We summarize the status of ΔMK in this approach.« less

  4. Ligand-controlled assembly of Cd(II) coordination polymers based on mixed ligands of naphthalene-dicarboxylate and dipyrido[3,2-d:2',3'-f]quinoxaline: From 0D+1D cocrystal, 2D rectangular network (4,4), to 3D PtS-type architecture

    SciTech Connect

    Liu Guocheng; Chen Yongqiang; Wang Xiuli Chen Baokuan; Lin Hongyan

    2009-03-15

    Three novel Cd(II) coordination polymers, namely, [Cd(Dpq)(1,8-NDC)(H{sub 2}O){sub 2}][Cd(Dpq)(1,8-NDC)].2H{sub 2}O (1), [Cd(Dpq)(1,4-NDC)(H{sub 2}O)] (2), and [Cd(Dpq)(2,6-NDC)] (3) have been obtained from hydrothermal reactions of cadmium(II) nitrate with the mixed ligands dipyrido [3,2-d:2',3'-f]quinoxaline (Dpq) and three structurally related naphthalene-dicarboxylate ligands [1,8-naphthalene-dicarboxylic acid (1,8-H{sub 2}NDC), 1,4-naphthalene-dicarboxylic acid (1,4-H{sub 2}NDC), and 2,6-naphthalene-dicarboxylic acid (2,6-H{sub 2}NDC)]. Single-crystal X-ray diffraction analysis reveals that the three polymers exhibit novel structures due to different naphthalene-dicarboxylic acid. Compound 1 is a novel cocrystal of left- and right-handed helical chains and binuclear complexes and ultimately packed into a 3D supramolecular structure through hydrogen bonds and {pi}-{pi} stacking interactions. Compound 2 shows a 2D rectangular network (4,4) bridged by 1,4-NDC with two kinds of coordination modes and ultimately packed into a 3D supramolecular structure through inter-layer {pi}-{pi} stacking interactions. Compound 3 is a new 3D coordination polymer with distorted PtS-type network. In addition, the title compounds exhibit blue/green emission in solid state at room temperature. - Graphical abstract: Three novel Cd(II) compounds have been synthesized under hydrothermal conditions exhibiting a systematic variation of architecture by the employment of three structurally related naphthalene-dicarboxylate ligands.

  5. Uranium(VI) coordination polymers with pyromellitate ligand: Unique 1D channel structures and diverse fluorescence

    SciTech Connect

    Zhang, Yingjie; Bhadbhade, Mohan; Karatchevtseva, Inna; Price, Jason R.; Liu, Hao; Zhang, Zhaoming; Kong, Linggen; Čejka, Jiří; Lu, Kim; Lumpkin, Gregory R.

    2015-03-15

    Three new coordination polymers of uranium(VI) with pyromellitic acid (H{sub 4}btca) have been synthesized and structurally characterized. (ED)[(UO{sub 2})(btca)]·(DMSO)·3H{sub 2}O (1) (ED=ethylenediammonium; DMSO=dimethylsulfoxide) has a lamellar structure with intercalation of ED and DMSO. (NH{sub 4}){sub 2}[(UO{sub 2}){sub 6}O{sub 2}(OH){sub 6}(btca)]·~6H{sub 2}O (2) has a 3D framework built from 7-fold coordinated uranyl trinuclear units and btca ligands with 1D diamond-shaped channels (~8.5 Å×~8.6 Å). [(UO{sub 2}){sub 2}(H{sub 2}O)(btca)]·4H{sub 2}O (3) has a 3D network constructed by two types of 7-fold coordinated uranium polyhedron. The unique μ{sub 5}-coordination mode of btca in 3 enables the formation of 1D olive-shaped large channels (~4.5 Å×~19 Å). Vibrational modes, thermal stabilities and fluorescence properties have been investigated. - Graphical abstract: Table of content: three new uranium(VI) coordination polymers with pyromellitic acid (H{sub 4}btca) have been synthesized via room temperature and hydrothermal synthesis methods, and structurally characterized. Two to three dimensional (3D) frameworks are revealed. All 3D frameworks have unique 1D large channels. Their vibrational modes, thermal stabilities and photoluminescence properties have been investigated. - Highlights: • Three new coordination polymers of U(VI) with pyromellitic acid (H{sub 4}btca). • Structures from a 2D layer to 3D frameworks with unique 1D channels. • Unusual µ{sub 5}-(η{sub 1}:η{sub 2}:η{sub 1}:η{sub 2:}η{sub 1}) coordination mode of btca ligand. • Vibrational modes, thermal stabilities and luminescent properties reported.

  6. Synthesis, crystal structure and photoluminescent properties of four lanthanide 5-nitroisophthalate coordination polymers

    SciTech Connect

    Huang Yan; Yan Bing; Shao Min

    2009-04-15

    Four new lanthanide coordination polymers, [Y(Hnip)(nip)(H{sub 2}O)].H{sub 2}O (1), [Ln(Hnip)(nip)(H{sub 2}O){sub 2}].2H{sub 2}O [Ln=Eu(2), Tb(3)] and [Y(nip){sub 2}].(H{sub 2}4,4'-bpy){sub 0.5} (4) [5-nip=5-nitroisophthalate, 4,4'-bpy=4,4'-bipyridine], have been hydrothermally synthesized and structurally characterized. Compound 1 features novel lanthanide-carboxylate groups chains composed of three samehanded helical strands intersecting each other through hinged lanthanide atoms, and these chains are cross-linked by phenylene moieties of carboxylate ligands into a 2D layer structure. Compounds 2 and 3 are isomorphous, and contain 1D catenanelike Ln-O-C-O-Ln chains, which are interconnected by phenylene moieties into 2D layer structures. Compound 4, however, displays a 3D architecture sustained by strong hydrogen bonding interactions between the protonated 4,4'-bpy and the carboxyl oxygen atom from [Y{sub 2}(nip){sub 4}]{sup 2-} with 2D layer structure, and 4,4'-bpy as the guest molecules exist in bilayer channel. The studies for the thermal stabilities of the four compounds show that compound 4 is more stable than other compounds. Compound 2 emits characteristic red luminescence of Eu{sup 3+} ions at room temperature, and its luminescent lifetime and quantum efficiency has been determined. - Graphical abstract: Four lanthanide 5-nitroisophthalate coordination polymers have been hydrothermally prepared and resent different structures and thermal stabilities and photoluminescence properties.

  7. NTSF Spring 2012 Agenda

    Office of Environmental Management (EM)

    hilTon Knoxville Knoxville, Tennessee May 15-17 naTional TransporTaTion sTaKeholders ForuM 2012 2 3 Tuesday, May 15 Regional Meetings 8:15 am - 3:30 pm Western Governors' Association (WGA) Transportation Safety Technical Advisory Group Meeting - Salon A 8:30 am - 3:15 pm Southern States Energy Board (SSEB) Radioactive Materials Transportation Committees - Salon B 9:00 am - 3:30 pm Council of State Governments (CSG Midwest) Midwestern Radioactive Materials Transportation Committee Meeting - Salon

  8. A=8-10, 2004 evaluation

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    8 - 10 (2004TI06) (TUNL Manuscript from 2004) An evaluation of A = 8 - 10 was published in Nuclear Physics A745 (2004) p.155. The version here lacks the introduction and overview tables that appeared in the full version, and is arranged in a different manner. The figures are now present in the pdf documents, and are also available elsewhere on this server (see below). PDF HTML Figures A = 8 8n, 8He, 8Li, 8Be, 8B, 8C A = 8 A = 9 9He, 9Li, 9Be, 9B, 9C, 9N A = 9 A = 10 10n, 10He, 10Li, 10Be, 10B,

  9. Remaining Sites Verification Package for the 100-C-9:2 Sanitary Sewer Pipelines, Waste Site Reclassification Form 2004-013

    SciTech Connect

    L. M. Dittmer

    2007-07-11

    The 100-C-9:2 sanitary sewer pipelines include the feeder pipelines associated with the 1607-B8, the 1607-B9, the 1607-B10 and the 1607-B11 septic systems. Contaminated soil and piping from the feeder lines to the septic systems were removed and disposed of. The remaining soil in the excavations has been shown to meet the remedial action objectives specified in the Remaining Sites ROD. The results of verification sampling show that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results also demonstrate that residual contaminant concentrations are protective of groundwater and the Columbia River.

  10. Buildings*","Year Constructed"

    Energy Information Administration (EIA) (indexed site)

    B9. Year Constructed, Floorspace for Non-Mall Buildings, 2003" ,"Total Floorspace (million square feet)" ,"All Buildings*","Year Constructed" ,,"1919 or Before","1920 to 1945","1946 to 1959","1960 to 1969","1970 to 1979","1980 to 1989","1990 to 1999","2000 to 2003" "All Buildings* ...............",64783,3769,6871,7045,8101,10772,10332,12360,5533 "Building

  11. Pavlos Kollias Associate Professor Department of Atmospheric and Oceanic Sciences, McGill

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Pavlos Kollias Associate Professor Department of Atmospheric and Oceanic Sciences, McGill University Room 817, Burnside Hall, 805 Sherbrooke Street West, Montreal, Quebec, H3A 0B9 Tel.: (514) 398-1500 Fax: (514) 398-6115 Email: pavlos.kollias@mcgill.ca https://www.mcgill.ca/meteo/facultystaff/kollias http://radarscience.weebly.com Susanne Crewell Professor Institute of Geophysics and Meteorology, University of Cologne Pohligstr. 3, Raum 3.123, 50969 Köln, Germany Tel.: +49 (0)221 470-5286 Fax:

  12. Boron-Containing Red Light-Emitting Phosphors And Light Sources Incorporating The Same

    DOEpatents

    Srivastava, Alok Mani; Comanzo, Holly Ann; Manivannan, Venkatesan

    2006-03-28

    A boron-containing phosphor comprises a material having a formula of AD1-xEuxB9O16, wherein A is an element selected from the group consisting of Ba, Sr, Ca, Mg, and combinations thereof; D is at least an element selected from the group consisting of rare-earth metals other than europium; and x is in the range from about 0.005 to about 0.5. The phosphor is used in a blend with other phosphors in a light source for generating visible light with a high color rendering index.

  13. Temperature scaling in the quantum-Hall-effect regime in a HgTe quantum well with an inverted energy spectrum

    SciTech Connect

    Arapov, Yu. G.; Gudina, S. V.; Neverov, V. N.; Podgornykh, S. M.; Popov, M. R. Harus, G. I.; Shelushinina, N. G.; Yakunin, M. V.; Mikhailov, N. N.; Dvoretsky, S. A.

    2015-12-15

    The longitudinal and Hall magnetoresistances of HgTe/HgCdTe heterostructures with an inverted energy spectrum (the HgTe quantum well width is d = 20.3 nm) are measured in the quantum-Hall-effect regime at T = 2–50 K in magnetic fields up to B = 9 T. Analysis of the temperature dependences of conductivity in the transition region between the first and second plateaus of the quantum Hall effect shows the feasibility of the scaling regime for a plateau–plateau quantum phase transition in 2D-structures on the basis of mercury telluride.

  14. What waters does LANL protect?

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    What waters does LANL protect? What waters does LANL protect? Rainfall in the Jemez Mountains flows to the Valles Caldera and eastward onto Laboratory lands. August 1, 2013 Reflection in the Valles Caldera RELATED IMAGES http://farm8.staticflickr.com/7252/7599998130_b7aef738b9_t.jpg Enlarge http://farm9.staticflickr.com/8421/7600000986_ebf8889fc7_t.jpg Enlarge Clean the Past: Water Protection What waters does LANL protect? Google Earth Tour: Waters around LANL Jemez Mountains Headwaters

  15. Water dissociation on Mn(1×1)/Ag(100)

    DOE PAGES [OSTI]

    Arble, Chris; Tong, Xiao; Giordano, Livia; Ferrari, Anna Maria; Newberg, John T.

    2016-08-19

    In this work we utilize experimental and simulation techniques to examine the molecular level interaction of water with a MnO(1×1) thin film deposited onto Ag(100). The formation of MnO(1×1)/Ag(100) was characterized by low energy electron diffraction and scanning tunneling microscopy. Density functional theory (DFT) shows MnO(1×1) is thermodynamically more stable than MnO(2×1) by –0.4 eV per MnO. Upon exposure to 2.5 Torr water vapor at room temperature, X-ray photoemission spectroscopy results show extensive surface hydroxylation attributed to reactivity at MnO(1×1) terrace sites. DFT calculations of a water monomer on MnO(1×1)/Ag(100) show the dissociated form is energetically more favorable than molecularmore » adsorption, with a hydroxylation activation barrier 0.4 eV per H2O. Lastly, these results are discussed and contrasted with previous studies of MgO/Ag(100) which show a stark difference in behavior for water dissociation.« less

  16. Hydrothermal synthesis and characterization of a two-dimensional piperazinium cobalt–zinc phosphate via a metastable one-dimensional phase

    SciTech Connect

    Torre-Fernández, Laura; Khainakova, Olena A.; Espina, Aránzazu; Amghouz, Zakariae; Khainakov, Sergei A.; Alfonso, Belén F.; Blanco, Jesús A.; García, José R.; García-Granda, Santiago

    2015-05-15

    A two-dimensional piperazinium cobalt–zinc phosphate, formulated as (C{sub 4}N{sub 2}H{sub 12}){sub 1.5}(Co{sub 0.6}Zn{sub 0.4}){sub 2}(HPO{sub 4}){sub 2}(PO{sub 4})·H{sub 2}O (2D), was synthesized under hydrothermal conditions. The crystal structure was determined using single-crystal X-ray diffraction data (monoclinic P2{sub 1}/c, a=8.1165(3) Å, b=26.2301(10) Å, c=8.3595(4) Å, and β=110.930(5)°) and the hydrogen atom positions were optimized by DFT calculations. A single-crystal corresponding to one-dimensional metastable phase, (C{sub 4}N{sub 2}H{sub 12})Co{sub 0.3}Zn{sub 0.7}(HPO{sub 4}){sub 2}·H{sub 2}O (1D), was also isolated and the crystal structure was determined (monoclinic P2{sub 1}/c, a=8.9120(6) Å, b=14.0290(1) Å, c=12.2494(5) Å, and β=130.884(6)°). The bulk was characterized by chemical (C–H–N) analysis, powder X-ray diffraction (PXRD), powder X-ray thermodiffractometry (HT-XRD), transmission electron microscopy (STEM(DF)-EDX and EFTEM), and thermal analysis (TG/SDTA-MS), including activation energy data of its thermal decomposition. The magnetic susceptibility and magnetization measurements show no magnetic ordering down to 4 K. - Graphical abstract: Hydrothermal synthesis and structural characterization of a two-dimensional piperazinium cobalt–zinc phosphate, (C{sub 4}N{sub 2}H{sub 12}){sub 1.5}(Co{sub 0.6}Zn{sub 0.4}){sub 2}(HPO{sub 4}){sub 2}(PO{sub 4})·H{sub 2}O (2D), have been reported. The crystal structure of a one-dimensional piperazinium cobalt–zinc phosphate, (C{sub 4}N{sub 2}H{sub 12})Co{sub 0.3}Zn{sub 0.7}(HPO{sub 4}){sub 2}·H{sub 2}O (1D) a metastable phase during the hydrothermal synthesis, was also determined. The thermal behavior of 2D compound is strongly dependent on the selected heating rate and the magnetic susceptibility and magnetization measurements show no magnetic ordering down to 4 K. - Highlights: • A 2D piperazinium cobalt–zinc phosphate has been synthesized and characterized. • Crystal

  17. POSSIBLE ALTERATION OF ROCKS OBSERVED BY CHEMCAM ALONG THE TRAVERSE TO

    Office of Scientific and Technical Information (OSTI)

    GLENELG IN GALE CRATER ON MARS. (Technical Report) | SciTech Connect POSSIBLE ALTERATION OF ROCKS OBSERVED BY CHEMCAM ALONG THE TRAVERSE TO GLENELG IN GALE CRATER ON MARS. Citation Details In-Document Search Title: POSSIBLE ALTERATION OF ROCKS OBSERVED BY CHEMCAM ALONG THE TRAVERSE TO GLENELG IN GALE CRATER ON MARS. Authors: Berger, B. [1] ; Blaney, D. [2] ; Bridges, J. [3] ; Cousin, A. [1] ; Forni, O. [1] ; Gasnault, O. [1] ; Lasue, J. [1] ; Mangold, N. [4] ; Maurice, S. [1] ; Meslin, P. Y.

  18. NiO as a peculiar support for metal nanoparticles in polyols oxidation

    SciTech Connect

    Villa, Alberto; Veith, Gabriel M; Ferri, Davide; Weidenkaff, Anke; Perry, Kelly A; Campisi, Sebastiano; Prati, Laura

    2013-01-01

    The peculiar influence of a NiO support was studied by preparing gold catalysts supported on NiO(1-x) TiO2(x) mixed oxides. PVA protected Au nanoparticles showed high activity when supported on NiO for the selective oxidation of glycerol and ethan-1,2-diol. A detailed characterization of the resulting Au catalysts revealed a preferential deposition of the metal nanoparticles on the NiO phase. However, the activity of Au on NiO(1-x)-TiO2(x) decreased with respect to pure NiO and the selectivity evolved with changes to the support.

  19. Probing convex polygons with X-rays

    SciTech Connect

    Edelsbrunner, H.; Skiena, S.S. )

    1988-10-01

    An X-ray probe through a polygon measures the length of intersection between a line and the polygon. This paper considers the properties of various classes of X-ray probes, and shows how they interact to give finite strategies for completely describing convex n-gons. It is shown that (3n/2)+6 probes are sufficient to verify a specified n-gon, while for determining convex polygons (3n-1)/2 X-ray probes are necessary and 5n+O(1) sufficient, with 3n+O(1) sufficient given that a lower bound on the size of the smallest edge of P is known.

  20. Synthesis, structures and properties of a family of four two-dimensional coordination polymers constructed from 5-hydroxyisophthalate

    SciTech Connect

    Zhang, Kou-Lin; Zhang, Jing-Bo; Jing, Chu-Yue; Zhang, Lei; Walton, Richard I.; Zhu, Peizhi; Ng, Seik Weng

    2014-03-15

    Four 2D coordination polymers (CPs) with different structures containing the multifunctional ligand 5-hydroxyisophthalate (5-OH-BDC{sup 2−}), [Zn(5-OH-BDC)(btb)]·2H{sub 2}O (1), [Cd(5-OH-BDC)(btp)(H{sub 2}O)]·3H{sub 2}O (2), [Cd(5-OH-BDC)(bth){sub 2}(H{sub 2}O)]·H{sub 2}O (3) and [Pb(5-OH-BDC)]·H{sub 2}O (4) [btp=1, 3-bis(1,2,4-triazol-1-yl)propane, btb=1,4-bis(1,2,4-triazol-1-yl)butane, bth=1, 6-bis(1,2,4-triazol-1-yl)hexane] were obtained. 1–3 were synthesised hydrothermally, while 4 was obtained under ambient condition. The adjacent (2D→2D) polycatenated 2D layers of 1 polythread in a parallel manner to form an unusual 2D→3D polythreaded framework. 2 contains an undulated 2D (4, 4) network and further extends into an “embracing” double-layer structure through the C–H···π and π···π stacking interactions. 3 exhibits a non-interpenetrating 2D (4, 4)-network. 4 exhibits a 2D double-layered binodal (4, 4)-net containing oblong nanochannels with symbol (4{sup 3}6{sup 3}){sub 2}. Reversible dehydration–rehydration is observed in 1, 2 and 4, which fall within the category of “recoverable collapsing” and “guest-induced re-formation” frameworks, while 3 exhibits irreversible dehydration–rehydration behaviour. The solid state fluorescent properties of 1–4 have been investigated. -- Graphical abstract: Among four 2D CPs reported, 1 is an unusual 2D→3D polythreaded framework. 4 exhibits 2D double-layered binodal (4, 4)-net containing nanochannels. Reversible dehydration–rehydration is observed in 1, 2 and 4. Highlights: • Four 2D CPs based on 5-hydroxyisophthalate with d{sup 10} and Pb(II) ions were reported. • 1 is an unusual 2D→3D polythreaded framework. • 4 shows a binodal (4, 4)-connected 2D double-layer network with nanochannels. • The materials 1, 2 and 4 show reversible dehydration–rehydration behaviours. • Solid state fluorescent properties were investigated.

  1. Synthesis, structures, luminescent and magnetic properties of four coordination polymers with the flexible 1,3-phenylenediacetate ligands

    SciTech Connect

    Gu, Jin-Zhong; Lv, Dong-Yu; Gao, Zhu-Qing; Liu, Jian-Zhao; Dou, Wei; Tang, Yu

    2011-03-15

    Four coordination polymers, [Zn(pda)(bpy)(H{sub 2}O)]{sub n}.nH{sub 2}O (1), [Cd(pda)(prz)(H{sub 2}O)]{sub n} (2), [Co{sub 3}({mu}{sub 3}-OH){sub 2}(pda){sub 2}(pyz)]{sub n}.2nH{sub 2}O (3) and [Pr{sub 2}(pda){sub 3}(H{sub 2}O){sub 2}]{sub n} (4) (H{sub 2}pda=1,3-phenylendiacetic acid, bpy=4,4'-bipyridine, prz=piperazine and pyz=pyrazine) have been hydrothermally synthesized and characterized. Complex 1 is a 1D wheel-like chain structure, which is further extended into a 3D metal-organic supramolecular framework by H-bonds and {pi}-{pi} stacking interactions. Complex 2 is a 1D ladder-like chain structure, which is also further extended into a 3D metal-organic supramolecular framework by H-bonds. Complex 3 possess a 2D sheet structure with infrequent two pairs of double-helix chains. Complex 4 features a 3D structure. Both 1 and 2 display strong blue fluorescent emission at room temperature. Magnetic susceptibility measurements of complexes 3 and 4 exhibit antiferromagnetic interactions between the nearest metal ions, with C=9.99 and 3.43 cm{sup 3} mol{sup -1} K, and {theta}=-23.9 and -46.3 K, respectively. -- Graphical abstract: Four new coordination polymers with 1,3-phenylenediacetate ligands have been hydrothermally synthesized and characterized. Complexes 1 and 2 display strong blue fluorescent emission at room temperature. Magnetic susceptibility measurements of 3 and 4 exhibit antiferromagnetic interactions between the nearest metal centers. Display Omitted Research highlights: > Coordinative property of H{sub 2}pda ligand was shown when bonded by different block metals. > Careful selection of co-ligand and metals resulted in dramatic framework evolution. > (c) The compounds constructed with Zn{sup 2+} and Cd{sup 2+} exhibit strong blue fluorescent emission. > The magneto-structural correlation of the complexes constructed with Co{sup 2+} and Pr{sup 3+} was elucidated.

  2. Complete genome assemblies for two single-chromosome Vibrio cholerae isolates, strains 1154-74 (serogroup O49) and 10432-62 (serogroup O27)

    DOE PAGES [OSTI]

    Johnson, Shannon Lyn; Khiani, A.; Bishop-Lilly, K. A.; Chapman, C.; Patel, M.; Verratti, K.; Teshima, Hazuki; Munk, A. C.; Bruce, David Carlton; Han, C. S.; et al

    2015-05-14

    We report the completed genome sequences for two non-O1/non-O139 Vibrio cholerae isolates. Each isolate has only a single chromosome, as opposed to the normal paradigm of two chromosomes found in all other V. cholerae isolates.

  3. Complete genome assemblies for two single-chromosome Vibrio cholerae isolates, strains 1154-74 (serogroup O49) and 10432-62 (serogroup O27)

    SciTech Connect

    Johnson, Shannon Lyn; Khiani, A.; Bishop-Lilly, K. A.; Chapman, C.; Patel, M.; Verratti, K.; Teshima, Hazuki; Munk, A. C.; Bruce, David Carlton; Han, C. S.; Xie, G.; Davenport, Karen Walston; Chain, Patrick Sam Guy; Sozhamannan, S.

    2015-05-14

    We report the completed genome sequences for two non-O1/non-O139 Vibrio cholerae isolates. Each isolate has only a single chromosome, as opposed to the normal paradigm of two chromosomes found in all other V. cholerae isolates.

  4. BPA 2012 00552 FOIA Request

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    f'. CI 'i ED BY BPA I O1A OFFICE THIS DATE: DUE DATE: LOG Page 1 of 1 Winn,Kim S (BPA) - DK -7 From: mgweisberg@bpa.gov Sent: Tuesday, January 10, 2012 11:31 AM To: FOIA...

  5. 05-RunningJobs-Turner.pdf

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    David Turner" NERSC User Services Group" New User Training" July 15, 2014 Jobs at NERSC * Most j obs a re p arallel, u sing 1 0s t o 1 00,000+ c ores * Produc8on r uns e xecute i n ...

  6. O A K RIDGE N A T I O N A L LABORATORY

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    operated by UNION CARBIDE CORPORATION N U C LEA R D IV ISIO N for the U.S. ATOMIC ENERGY C O M M ISSIO N O R N L - T M - 3260 m o < '1 j ' j n MULTIPLE-WINDOW SPECTKOMETRY FOR...

  7. Adiabatically implementing quantum gates

    SciTech Connect

    Sun, Jie; Lu, Songfeng Liu, Fang

    2014-06-14

    We show that, through the approach of quantum adiabatic evolution, all of the usual quantum gates can be implemented efficiently, yielding running time of order O(1). This may be considered as a useful alternative to the standard quantum computing approach, which involves quantum gates transforming quantum states during the computing process.

  8. Myocardial regeneration in adriamycin cardiomyopathy by nuclear expression of GLP1 using ultrasound targeted microbubble destruction

    SciTech Connect

    Chen, Shuyuan; Chen, Jiaxi; Huang, Pintong; Meng, Xing-Li; Clayton, Sandra; Shen, Jin-Song; Grayburn, Paul A.

    2015-03-20

    Recently GLP-1 was found to have cardioprotective effects independent of those attributable to tight glycemic control. Methods and results: We employed ultrasound targeted microbubble destruction (UTMD) to deliver piggybac transposon plasmids encoding the GLP-1 gene with a nuclear localizing signal to rat hearts with adriamycin cardiomyopathy. After a single UTMD treatment, overexpression of transgenic GLP-1 was found in nuclei of rat heart cells with evidence that transfected cardiac cells had undergone proliferation. UTMD-GLP-1 gene therapy restored LV mass, fractional shortening index, and LV posterior wall diameter to nearly normal. Nuclear overexpression of GLP-1 by inducing phosphorylation of FoxO1-S256 and translocation of FoxO1 from the nucleus to the cytoplasm significantly inactivated FoxO1 and activated the expression of cyclin D1 in nuclei of cardiac muscle cells. Reversal of adriamycin cardiomyopathy appeared to be mediated by dedifferentiation and proliferation of nuclear FoxO1-positive cardiac muscle cells with evidence of embryonic stem cell markers (OCT4, Nanog, SOX2 and c-kit), cardiac early differentiation markers (NKX2.5 and ISL-1) and cellular proliferation markers (BrdU and PHH3) after UTMD with GLP-1 gene therapy. Conclusions: Intranuclear myocardial delivery of the GLP-1gene can reverse established adriamycin cardiomyopathy by stimulating myocardial regeneration. - Highlights: • The activation of nuclear FoxO1 in cardiac muscle cells associated with adriamycin cardiomyopathy. • Myocardial nuclear GLP-1 stimulates myocardial regeneration and reverses adriamycin cardiomyopathy. • The process of myocardial regeneration associated with dedifferentiation and proliferation.

  9. Cross Sections for (α, X)

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Cross Sections for (α, X) Reaction for Nuclei A = 3 - 20 Go to the Text Only below if you prefer to view the nuclides in a text list. 20Ne 19F 16O 17O 18O 14N 15N 12C 13C 10B 11B 9Be 10Be 6Li 7Li 3He 4He 3H Note: Comments, and corrections are welcome. Please email us. List of available cross section data for A = 3 - 20 nuclides: Hydrogen: 3H Helium: 3He, 4He Lithium: 6Li, 7Li Beryllium: 9Be, 10Be Boron: 10B, 11B Carbon: 12C, 13C Nitrogen: 14N, 15N Oxygen: 16O, 17O, 18O Fluorine: 19F Neon: 20Ne

  10. PMCDP Training Events Calendar | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    PMCDP Training Events Calendar PMCDP Training Events Calendar Click here for the full FY2017 Training Schedule. Complete listing of all PMCDP Training Events. November 2016 < prev next > Sun Mon Tue Wed Thu Fri Sat 30 31 1 2 3 4 5 « Planning for Safety in Project Management 1:00PM to 3:00PM EDT « Cost and Schedule Estimate and Analysis 9:00AM to 5:00PM EDT 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 Capital Planning for DOE O 413.3B 9:00AM to 5:00PM ES

  11. A=8B (1984AJ01)

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    4AJ01) (See Energy Level Diagrams for 8B) GENERAL: See also (1979AJ01) and Table 8.11 [Table of Energy Levels] (in PDF or PS). Special states: (1980OK01). Complex reactions involving 8B (The reactions 6Li(6Li, 4H)8B, 12C(6Li, 10Be)8B, 9Be(7Li, 8He)8B and 12C(7Li, 11Be)8B have been studied at E(6Li) = 72 MeV and E(7Li) = 83 MeV (1982AL08): see 8He, 10Be, as well as 11Be in (1985AJ01).): (1979BO22, 1980GR10, 1981MO20). Astrophysical questions: (1981BA17, 1983LI01). Reactions involving pions: (

  12. Energy Information Administration (EIA)- About the Commercial Buildings

    Gasoline and Diesel Fuel Update

    Energy Consumption Survey (CBECS) B9. Year constructed, floorspace, 2012 Released: May 2016 Total floorspace (million square feet) Year constructed All buildings Before 1946 1946 to 1959 1960 to 1969 1970 to 1979 1980 to 1989 1990 to 1999 2000 to 2007 2008 to 2012 All buildings 87,093 10,008 7,381 10,362 10,846 15,230 13,803 13,739 5,723 Building floorspace (square feet) 1,001 to 5,000 8,041 1,418 918 806 974 1,238 1,281 1,038 369 5,001 to 10,000 8,900 1,154 793 1,149 1,069 1,655 1,461 1,038

  13. Lisa Gerhardt NERSC User Services"

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Gerhardt " NERSC User Services" September 10, 2013" Getting Started at NERSC: Running Jobs Jobs at NERSC * Most j obs a re p arallel, u sing 1 0s t o 1 00,000+ c ores * Produc8on r uns e xecute i n b atch m ode * Interac8ve a nd d ebug j obs a re s upported f or u p t o 3 0 minutes * Typically r un 8 mes a re a f ew t o 1 0s o f h ours. - Each m achine h as d ifferent l imits. - Limits a re n ecessary b ecause o f M TBF a nd t he n eed t o accommodate 5 ,500 u sers' j obs * Also a

  14. N V

    Office of Legacy Management (LM)

    N V O 1 8 7 + PROJECT RULISON WELL PLUGGING AND SITE FINAL REPORT N V O 1 8 7 SEPTEMBER 1 9 7 7 P R E P A R E D B Y THE E N E R G Y R E S E A R C H P R O J E C T S B R A N C H UNITED STATES ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION NEVADA OPERATIONS OFFICE A U S T R A L OIL C O M P A N Y DISCLAIMER This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency Thereof, nor any of their employees,

  15. Running Jobs Scott French" NERSC User Services Group" New User Training"

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    August 13, 2015 Jobs at NERSC * Most a re p arallel j obs ( 10s t o 1 00,000+ c ores) * Produc7on r uns e xecute i n b atch m ode * Interac7ve a nd d ebug j obs a re s upported f or u p t o 3 0 minutes * Typically r un 7 mes a re a f ew t o 1 0s o f h ours. - Each m achine h as d ifferent l imits. - Limits a re n ecessary b ecause o f M TBF a nd t he n eed t o accommodate 5 ,500 u sers' j obs * Also a n umber o f " serial" j obs - Typically " pleasantly p arallel" s imulaCon

  16. Running Jobs Scott French" NERSC User Services Group" New User Training"

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    February 23, 2015 Jobs at NERSC * Most j obs a re p arallel, u sing 1 0s t o 1 00,000+ c ores * Produc8on r uns e xecute i n b atch m ode * Interac8ve a nd d ebug j obs a re s upported f or u p t o 3 0 minutes * Typically r un 8 mes a re a f ew t o 1 0s o f h ours. - Each m achine h as d ifferent l imits. - Limits a re n ecessary b ecause o f M TBF a nd t he n eed t o accommodate 5 ,500 u sers' j obs * Also a n umber o f ' serial' j obs - Typically s ome k ind o f p leasantly p arallel s

  17. Preoperational test report, recirculation condenser cooling systems

    SciTech Connect

    Clifton, F.T.

    1997-11-04

    This represents a preoperational test report for Recirculation Condenser Systems, Project W-030. Project W-030 provides a ventilation upgrade for the four Aging Waste Facility tanks. The four system provide condenser cooling water for vapor space cooling of tanks AY1O1, AY102, AZ1O1, AZ102. Each system consists of a valved piping loop, a pair of redundant recirculation pumps, a closed-loop evaporative cooling tower, and supporting instrumentation; equipment is located outside the farm on concrete slabs. Piping is routed to the each ventilation condenser inside the farm via below-grade concrete trenches. The tests verify correct system operation and correct indications displayed by the central Monitor and Control System.

  18. U

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Liang Yang University of Illinois at Urbana---Champaign May 1 6, 2 014 ATLAS U ser G roup M eeEng Double B eta D ecay a nd C ARIBU 1 Double B eta D ecay Two n eutrino d ouble b eta d ecay Neutrinoless d ouble b eta d ecay ObservaEon o f 0 νββ: l Majorana neutrino l Neutrino mass scale l Lepton number violation 2 Observable i f s ingle b eta decay i s f orbidden 2 ββ spectrum (normalized t o 1 ) 0 ββ peak ( 2% F WHM) (normalized t o 1 0 ---6 ) The t wo p eaks c an b e separated i

  19. Genome assortment, not serogroup, defines Vibrio cholerae pandemic strains

    SciTech Connect

    Brettin, Thomas S; Bruce, David C; Challacombe, Jean F; Detter, John C; Han, Cliff S; Munik, A C; Chertkov, Olga; Meincke, Linda; Saunders, Elizabeth; Choi, Seon Y; Haley, Bradd J; Taviani, Elisa; Jeon, Yoon - Seong; Kim, Dong Wook; Lee, Jae - Hak; Walters, Ronald A; Hug, Anwar; Colwell, Rita R

    2009-01-01

    Vibrio cholerae, the causative agent of cholera, is a bacterium autochthonous to the aquatic environment, and a serious public health threat. V. cholerae serogroup O1 is responsible for the previous two cholera pandemics, in which classical and El Tor biotypes were dominant in the 6th and the current 7th pandemics, respectively. Cholera researchers continually face newly emerging and re-emerging pathogenic clones carrying combinations of new serogroups as well as of phenotypic and genotypic properties. These genotype and phenotype changes have hampered control of the disease. Here we compare the complete genome sequences of 23 strains of V. cholerae isolated from a variety of sources and geographical locations over the past 98 years in an effort to elucidate the evolutionary mechanisms governing genetic diversity and genesis of new pathogenic clones. The genome-based phylogeny revealed 12 distinct V. cholerae phyletic lineages, of which one, designated the V. cholerae core genome (CG), comprises both O1 classical and EI Tor biotypes. All 7th pandemic clones share nearly identical gene content, i.e., the same genome backbone. The transition from 6th to 7th pandemic strains is defined here as a 'shift' between pathogenic clones belonging to the same O1 serogroup, but from significantly different phyletic lineages within the CG clade. In contrast, transition among clones during the present 7th pandemic period can be characterized as a 'drift' between clones, differentiated mainly by varying composition of laterally transferred genomic islands, resulting in emergence of variants, exemplified by V.cholerae serogroup O139 and V.cholerae O1 El Tor hybrid clones that produce cholera toxin of classical biotype. Based on the comprehensive comparative genomics presented in this study it is concluded that V. cholerae undergoes extensive genetic recombination via lateral gene transfer, and, therefore, genome assortment, not serogroup, should be used to define pathogenic V

  20. Non-Gaussianity in the cosmic microwave background anisotropies at recombination in the squeezed limit

    SciTech Connect

    Bartolo, N.; Matarrese, S.; Riotto, A. E-mail: sabino.matarrese@pd.infn.it

    2012-02-01

    We estimate analytically the second-order cosmic microwave background temperature anisotropies at the recombination epoch in the squeezed limit and we deduce the contamination of the primordial local non-Gaussianity. We find that the level of contamination corresponds to f{sub NL}{sup con} = O(1) which is below the sensitivity of present experiments and smaller than the value O(5) recently claimed in the literature.

  1. Safety equipment list for the 241-SY-101 RAPID mitigation project

    SciTech Connect

    MORRIS, K.L.

    1999-06-29

    This document provides the safety classification for the safety (safety class and safety RAPID Mitigation Project. This document is being issued as the project SEL until the supporting authorization basis documentation, this document will be superseded by the TWRS SEL (LMHC 1999), documentation istlralized. Upon implementation of the authorization basis significant) structures, systems, and components (SSCS) associated with the 241-SY-1O1 which will be updated to include the information contained herein.

  2. RW Prepared

    Office of Legacy Management (LM)

    ... tr lco cl lc') o 1 6 l d l l o l F ()l l il El- F lC') l N q t l l *l I I l.o l IJ 5 l T l J l t 3l sl l C , l U2 1 E tn 1 tn (J C,) < F : F r < d > . U ) t r l ...

  3. National Renewable Energy Laboratory (NREL): Hydrogen and Fuel Cell Capabilities Overview

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Laboratory (NREL) Hydrogen and Fuel Cell Capabilities Overview 2014 Fuel Cell Seminar and Energy Exposition National Lab Showcase Keith Wipke, NREL Fuel Cell and Hydrogen Technologies Program Manager November 11, 2014 2 NREL Overview o Founded in 1977 o Location: Golden, Colorado o ~1,750 full-time staff o Full spectrum of RD&D, from basic science to deployment o Unique research and testing capabilities across multiple scales o Systems approach o Strong history of partnering with industry

  4. Chapter 4: Advancing Clean Electric Power Technologies | Nuclear Fuel Cycles Technology Assessment

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Nuclear Fuel Cycles Chapter 4: Technology Assessments Introduction and Background The Nuclear Fuel Cycle (NFC) is defined as the total set of operations required to produce fission energy and manage the associated nuclear materials. It can have different attributes, including the extension of natural resources, or the minimization of waste disposal requirements. The NFC, as depicted in Figure 4.O.1, is comprised of a set of operations that include the extraction of uranium (U) resources from the

  5. New Mechanism for Quark Energy Loss

    SciTech Connect

    Casalderrey-Solana, Jorge; Fernandez, Daniel; Mateos, David

    2010-04-30

    We show that a heavy quark moving sufficiently fast through a quark-gluon plasma may lose energy by Cherenkov-radiating mesons. We demonstrate that this takes place in all strongly coupled, large-N{sub c} plasmas with a gravity dual. The energy loss is exactly calculable in these models despite being an O(1/N{sub c}) effect. We discuss implications for heavy-ion collision experiments.

  6. I

    Office of Scientific and Technical Information (OSTI)

    _,_ 13o ,1!11_ lllll_ I " "Dieter M. Gruen 1 BUCKYBALL MICROWAVE PLASMAS: FRAGMENTATION AND DIAMOND-FILM GROWTH t Dieter M. Gruen,* Shengzhong Liu, Alan R. Krauss, and Xianzheng Pan Materials ScienceJChemistry Divisions Argonne National Laboratory 9700 S. Cass Ave. Argonne, IL 60439 DISCLAIMER This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees,

  7. Order and disorder in the local and long-range structure of the spin-glass pyrochlore, Tb{sub 2}Mo{sub 2}O{sub 7}

    SciTech Connect

    Jiang, Yu; Huq, Ashfia; Booth, Corwin H.; Ehlers, Georg; Greedan, John E.; Gardner, Jason S.

    2011-02-11

    To understand the origin of the spin-glass state in molybdate pyrochlores, the structure of Tb{sub 2}Mo{sub 2}O{sub 7} is investigated using two techniques: the long-range lattice structure was measured using neutron powder diffraction (NPD), and local structure information was obtained from the extended x-ray absorption fine structure (EXAFS) technique. While the long-range structure appears generally well ordered, enhanced mean-squared site displacements on the O(1) site and the lack of temperature dependence of the strongly anisotropic displacement parameters for both the Mo and O(1) sites indicate some disorder exists. Likewise, the local structure measurements indicate some Mo-Mo and Tb-O(1) nearest-neighbor disorder exists, similar to that found in the related spin-glass pyrochlore, Y{sub 2}Mo{sub 2}O{sub 7}. Although the freezing temperature in Tb{sub 2}Mo{sub 2}O{sub 7}, 25 K, is slightly higher than in Y{sub 2}Mo{sub 2}O{sub 7}, 22 K, the degree of local pair distance disorder is actually less in Tb{sub 2}Mo{sub 2}O{sub 7}. This apparent contradiction is considered in light of the interactions involved in the freezing process.

  8. Oriented Growth of Al2O3:ZnO Nanolaminates for Use as Electron-Selective Electrodes in Inverted Polymer Solar Cells

    SciTech Connect

    Cheun, H.; Fuentes-Hernandez, C.; Shim, J.; Fang, Y.; Cai, Y.; Li, H.; Sigdel, A. K.; Meyer, J.; Maibach, J.; Dindar, A.; Zhou, Y.; Berry, J. J.; Bredas, J. L.; Kahn, A.; Sandhage, K. H.; Kippelen, B.

    2012-04-10

    Atomic layer deposition is used to synthesize Al{sub 2}O{sub 3}:ZnO(1:x) nanolaminates with the number of deposition cycles, x, ranging from 5 to 30 for evaluation as optically transparent, electron-selective electrodes in polymer-based inverted solar cells. Al{sub 2}O{sub 3}:ZnO(1:20) nanolaminates are found to exhibit the highest values of electrical conductivity (1.2 x 10{sup 3} S cm{sup 01}; more than six times higher than for neat ZnO films), while retaining a high optical transmittance ({>=}80% in the visible region) and a low work function (4.0 eV). Such attractive performance is attributed to the structure (ZnO crystal size and crystal alignment) and doping level of this intermediate Al{sub 2}O{sub 3}:ZnO film composition. Polymer-based inverted solar cells using poly(3-hexylthiophene) (P3HT):phenyl-C{sub 61}-butyric acid methyl ester (PCBM) mixtures in the active layer and Al{sub 2}O{sub 3}:ZnO(1:20) nanolaminates as transparent electron-selective electrodes exhibit a power conversion efficiency of 3% under simulated AM 1.5 G, 100 mW cm{sup -2} illumination.

  9. Membranes and MEAs at Freezing Temperatures

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Oxygen Reduction Reaction O 2 + 1 e - + M = M(O 2 - ) ad (rds) M(O 2 - ) ad + H 3 O + = H 2 O + M(O 2 H) ad M(O 2 H) ad + H 3 O + + 1 e - + M = 2 MOH ad M(O 2 H) ad + H 3 O + + 1 e - = H 2 O 2 [MOH ad + H 3 O + + 1 e - = H 2 O] x2 E [V RHE ] 0.0 0.2 0.4 0.6 0.8 1.0 I [mA] -1.0 -0.5 0.0 I [mA] -1.0 -0.5 0.0 I [mA] -1.0 -0.5 0.0 0.05 M H 2 SO 4 (a) (b) (c) E [V RHE ] 0.0 0.2 0.4 0.6 0.8 1.0 I [mA] -1.0 -0.5 0.0 I [mA] -1.0 -0.5 0.0 I [mA] -1.0 -0.5 0.0 0.1 M KOH (f) (g) (e) 10 µA 10 µA 10 µA

  10. 2017 PARC All Hands & Scientific Advisory Committee Meetings |

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Photosynthetic Antenna Research CenterA> 2 June 21

  11. Synthesis and crystal structure of the palladium oxides NaPd{sub 3}O{sub 4}, Na{sub 2}PdO{sub 3} and K{sub 3}Pd{sub 2}O{sub 4}

    SciTech Connect

    Panin, Rodion V. Khasanova, Nellie R.; Abakumov, Artem M.; Antipov, Evgeny V.; Tendeloo, Gustaaf van; Schnelle, Walter

    2007-05-15

    NaPd{sub 3}O{sub 4}, Na{sub 2}PdO{sub 3} and K{sub 3}Pd{sub 2}O{sub 4} have been prepared by solid-state reaction of Na{sub 2}O{sub 2} or KO{sub 2} and PdO in sealed silica tubes. Crystal structures of the synthesized phases were refined by the Rietveld method from X-ray powder diffraction data. NaPd{sub 3}O{sub 4} (space group Pm3-barn, a=5.64979(6) A, Z=2) is isostructural to NaPt{sub 3}O{sub 4}. It consists of NaO{sub 8} cubes and PdO{sub 4} squares, corner linked into a three-dimensional framework where the planes of neighboring PdO{sub 4} squares are perpendicular to each other. Na{sub 2}PdO{sub 3} (space group C2/c, a=5.3857(1) A, b=9.3297(1) A, c=10.8136(2) A, {beta}=99.437(2){sup o}, Z=8) belongs to the Li{sub 2}RuO{sub 3}-structure type, being the layered variant of the NaCl structure, where the layers of octahedral interstices filled with Na{sup +} and Pd{sup 4+} cations alternate with Na{sub 3} layers along the c-axis. Na{sub 2}PdO{sub 3} exhibits a stacking disorder, detected by electron diffraction and Rietveld refinement. K{sub 3}Pd{sub 2}O{sub 4}, prepared for the first time, crystallizes in the orthorhombic space group Cmcm (a=6.1751(6) A, b=9.1772(12) A, c=11.3402(12) A, Z=4). Its structure is composed of planar PdO{sub 4} units connected via common edges to form parallel staggered PdO{sub 2} strips, where potassium atoms are located between them. Magnetic susceptibility measurements of K{sub 3}Pd{sub 2}O{sub 4} reveal a Curie-Weiss behavior in the temperature range above 80 K. - Graphical abstract: Na{sub 2}PdO{sub 3} (space group C2/c, a=5.3857(1) A, b=9.3297(1) A, c=10.8136(2) A, {beta}=99.437(2), Z=8) belongs to the Li{sub 2}RuO{sub 3}-structure type, being the layered variant of the NaCl structure, where the layers of octahedral interstices filled with Na{sup +} and Pd{sup 4+} cations (NaPd{sub 2}O{sub 6} slabs) alternate with Na{sub 3} layers along the c-axis.

  12. Hydrothermal Liquefaction Oil and Hydrotreated Product from Pine Feedstock Characterized by Heteronuclear Two-Dimensional NMR Spectroscopy and FT-ICR Mass Spectrometry

    SciTech Connect

    Sudasinghe, Nilusha; Cort, John R.; Hallen, Richard T.; Olarte, Mariefel V.; Schmidt, Andrew J.; Schaub, Tanner

    2014-12-01

    Hydrothermal liquefaction (HTL) crude oil and hydrotreated product from pine tree farm waste (forest product residual, FPR) have been analyzed by direct infusion electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry (ESI FT-ICR MS) in both positive- and negative-ionization modes and high-resolution twodimensional heteronuclear 1H-13C NMR spectroscopy. FT-ICR MS resolves thousands of compounds in complex oils and provides unparalleled compositional details for individual molecules for identification of compound class (heteroatom content), type (number of rings plus double bonds to carbon or double bond equivalents (DBE) and carbon number (degree of alkylation). Heteronuclear 1H-13C NMR spectroscopy provides one-bond and multiple-bond correlations between pairs of 1H and 13C chemical shifts that are characteristic of different organic functional groups. Taken together this information provides a picture of the chemical composition of these oils. Pyrolysis crude oil product from pine wood was characterized for comparison. Generally, pyrolysis oil is comprised of a more diverse distribution of heteroatom classes with higher oxygen number relative to HTL oil as shown by both positive- and negative-ion ESI FT-ICR MS. A total of 300 N1, 594 O1 and 267 O2 compounds were observed as products of hydrotreatment. The relative abundance of N1O1, N1O2, N1O3, N2, N2O1, N2O2 and O3 compounds are reduced to different degrees after hydrotreatment and other higher heteroatom containing species (O4-O10, N1O4, N1O5 and N2O3) are completely removed by hydrotreatment.

  13. Performance evaluation of ZnO–CuO hetero junction solid state room temperature ethanol sensor

    SciTech Connect

    Yu, Ming-Ru; Suyambrakasam, Gobalakrishnan; Wu, Ren-Jang; Department of Nanotechnology, School of Interdisciplinary Courses, Noorul Islam Centre for Higher Education, Noorul Islam University, Kumaracoil 629180, Tamil Nadu ; Chavali, Murthy; Department of Applied Chemistry, Providence University, 200 Chungchi Road, Shalu, Taichung Hsien 433, Taiwan, R.O.C

    2012-07-15

    Graphical abstract: Sensor response (resistance) curves of time were changed from 150 ppm to 250 ppm alcohol concentration of ZnO–CuO 1:1. The response and recovery times were measured to be 62 and 83 s, respectively. The sensing material ZnO–CuO is a high potential alcohol sensor which provides a simple, rapid and highly sensitive alcohol gas sensor operating at room temperature. Highlights: ► The main advantages of the ethanol sensor are as followings. ► Novel materials ZnO–CuO ethanol sensor. ► The optimized ZnO–CuO hetero contact system. ► A good sensor response and room working temperature (save energy). -- Abstract: A semiconductor ethanol sensor was developed using ZnO–CuO and its performance was evaluated at room temperature. Hetero-junction sensor was made of ZnO–CuO nanoparticles for sensing alcohol at room temperature. Nanoparticles were prepared by hydrothermal method and optimized with different weight ratios. Sensor characteristics were linear for the concentration range of 150–250 ppm. Composite materials of ZnO–CuO were characterized using X-ray diffraction (XRD), temperature-programmed reduction (TPR) and high-resolution transmission electron microscopy (HR-TEM). ZnO–CuO (1:1) material showed maximum sensor response (S = R{sub air}/R{sub alcohol}) of 3.32 ± 0.1 toward 200 ppm of alcohol vapor at room temperature. The response and recovery times were measured to be 62 and 83 s, respectively. The linearity R{sup 2} of the sensor response was 0.9026. The sensing materials ZnO–CuO (1:1) provide a simple, rapid and highly sensitive alcohol gas sensor operating at room temperature.

  14. Modeling transiting circumstellar disks: characterizing the newly discovered eclipsing disk system OGLE LMC-ECL-11893

    SciTech Connect

    Scott, Erin L.; Mamajek, Eric E.; Pecaut, Mark J.; Quillen, Alice C.; Moolekamp, Fred; Bell, Cameron P. M.

    2014-12-10

    We investigate the nature of the unusual eclipsing star OGLE LMC-ECL-11893 (OGLE J05172127-6900558) in the Large Magellanic Cloud recently reported by Dong et al. The eclipse period for this star is 468 days, and the eclipses exhibit a minimum of ?1.4 mag, preceded by a plateau of ?0.8 mag. Spectra and optical/IR photometry are consistent with the eclipsed star being a lightly reddened B9III star of inferred age ?150 Myr and mass ?4 M {sub ?}. The disk appears to have an outer radius of ?0.2 AU with predicted temperatures of ?1100-1400 K. We model the eclipses as being due to either a transiting geometrically thin dust disk or gaseous accretion disk around a secondary object; the debris disk produces a better fit. We speculate on the origin of such a dense circumstellar dust disk structure orbiting a relatively old low-mass companion, and on the similarities of this system to the previously discovered EE Cep.

  15. Ground-State Decays for Nuclei A = 3 - 20

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Ground State Beta-Decay and Particle Unbound Resonances Data for A = 3 - 20 Nuclei Go to the Text Only section below if you prefer to view the nuclides in a text list. 18Mg 19Mg 20Mg 17Na 18Na 19Na 20Na 15Ne 16Ne 17Ne 18Ne 19Ne 20Ne 14F 15F 16F 17F 18F 19F 20F 11O 12O 13O 14O 15O 16O 17O 18O 19O 20O 10N 11N 12N 13N 14N 15N 16N 17N 18N 19N 20N 7C 8C 9C 10C 11C 12C 13C 14C 15C 16C 17C 18C 19C 20C 6B 7B 8B 9B 10B 11B 12B 13B 14B 15B 16B 17B 18B 19B 20B 5Be 6Be 7Be 8Be 9Be 10Be 11Be 12Be 13Be 14Be

  16. In-situ P/M Al/(ZrB{sub 2} + Al{sub 2}O{sub 3}) MMCs: Processing, microstructure and mechanical characterization[Powder Metallurgy, Metal Matrix Composites

    SciTech Connect

    Feng, C.F.; Froyen, L.

    1999-12-10

    In-situ metal matrix composites (MMCs) offer significant advantages over conventional MMCs from both a technical and an economic standpoint. In this paper, an in-situ MMC, i.e., Al/(10 vol.% Zr2B + 9.2 vol.% Al{sub 2}O{sub 3}), is produced starting from Al + ZrO{sub 2} + B by reactive sintering and subsequently densified by hot-pressing. The formation mechanism of ZrB{sub 2} and Al{sub 2}O{sub 3} in Al matrix is studied by XRD, thermal analysis and microstructural characterization. Reaction kinetics are also investigated based on the results of the reaction mechanism. The properties are evaluated in terms of microstructural characterization, Young's modulus and bending tests. The in-situ processing involves four intermediate steps and the transitional phases are AlB{sub 2}, Zr(O, B){sub 2} and (Zr, Al)(B, O){sub 2}. Regarding the reaction kinetics, conversion fraction vs time relationships have been established for the last three intermediate steps.

  17. wen-98.pdf

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    0,1996 N Y M E X P r i c e F u t u r e s v s H e n r y H u b S p o t P r i c e 0 . 0 0 1 . 0 0 2 . 0 0 3 . 0 0 4 . 0 0 5 . 0 0 6 . 0 0 7 . 0 0 8 . 0 0 9 . 0 0 J a n - 9 6 Dollars Per Million BTU N Y M E X S e t t l e m e n t P r i c e H e n r y H u b S p o t F E B - 9 6 M A R - 9 6 P r i c e w a s 1 4 . 0 0 N o t e : T H e H e n r y H u b s p o t p r i c e i s f r o m t h e G A S D A I L Y a n d i s t h e m i d p o i n t o f t h e i r h i g h a n d l o w p r i c e f o r a d a y . M a y - 9 6 A P

  18. week513

    Gasoline and Diesel Fuel Update

    3,1996 N Y M E X P r i c e F u t u r e s v s H e n r y H u b S p o t P r i c e 0 . 0 0 1 . 0 0 2 . 0 0 3 . 0 0 4 . 0 0 5 . 0 0 6 . 0 0 7 . 0 0 8 . 0 0 9 . 0 0 J a n - 9 6 Dollars Per Million BTU N Y M E X S e t t l e m e n t P r i c e H e n r y H u b S p o t F E B - 9 6 M A R - 9 6 P r i c e w a s 1 4 . 0 0 N o t e : T H e H e n r y H u b s p o t p r i c e i s f r o m t h e G A S D A I L Y a n d i s t h e m i d p o i n t o f t h e i r h ig h a n d l o w p r i c e f o r a d a y . M a y - 9 6 A P

  19. A SPITZER VIEW OF STAR FORMATION IN THE CYGNUS X NORTH COMPLEX

    SciTech Connect

    Beerer, I. M.; Koenig, X. P.; Hora, J. L.; Keto, E.; Smith, H. A.; Fazio, G. G.; Gutermuth, R. A.; Bontemps, S.; Schneider, N.; Megeath, S. T.; Motte, F.; Simon, R.; Allen, L. E.; Kraemer, K. E.; Price, S.; Mizuno, D.; Adams, J. D.; Hernandez, J.; Lucas, P. W.

    2010-09-01

    We present new images and photometry of the massive star-forming complex Cygnus X obtained with the Infrared Array Camera (IRAC) and the Multiband Imaging Photometer for Spitzer (MIPS) on board the Spitzer Space Telescope. A combination of IRAC, MIPS, UKIRT Deep Infrared Sky Survey, and Two Micron All Sky Survey data are used to identify and classify young stellar objects (YSOs). Of the 8231 sources detected exhibiting infrared excess in Cygnus X North, 670 are classified as class I and 7249 are classified as class II. Using spectra from the FAST Spectrograph at the Fred L. Whipple Observatory and Hectospec on the MMT, we spectrally typed 536 sources in the Cygnus X complex to identify the massive stars. We find that YSOs tend to be grouped in the neighborhoods of massive B stars (spectral types B0 to B9). We present a minimal spanning tree analysis of clusters in two regions in Cygnus X North. The fraction of infrared excess sources that belong to clusters with {>=}10 members is found to be 50%-70%. Most class II objects lie in dense clusters within blown out H II regions, while class I sources tend to reside in more filamentary structures along the bright-rimmed clouds, indicating possible triggered star formation.

  20. The molten hydrated flux synthesis of a novel open-framework copper borophosphate and its structural relation with the precursors

    SciTech Connect

    Zhao, Long; Liu, Wei Ma, Xiaohong; Cao, Lixin; Su, Ge; Lu, Zhisheng

    2014-10-15

    A novel copper borophosphate, Cu{sub 2}(H{sub 2}O)[BP{sub 2}O{sub 7}(OH)], has been synthesized by the molten hydrated flux method. Its crystal structure (Orthorhombic, Pbca, a=8.234 Å, b=9.655 Å, c=17.805 Å, V=1415.485 Å{sup 3}, Z=8) can be regarded as the condensation of alternately edge- and corner-shared copper pyramidal chains and borophosphate chains formed via vertex-sharing PO{sub 4} and BO{sub 3}(OH) tetrahedra. Magnetic measurements indicate that antiferromagnetic interactions exist in the title compound. Due to the special reaction medium created by the molten hydrated flux method, a possible structural correlation between final solids and raw materials has been discovered even though no ordered structural fragments exist in the latter. - Graphical: Structure comparison of Cu(NO{sub 3}){sub 2}·3H{sub 2}O, Cu(NO{sub 3}){sub 2}·H{sub 2}O and Cu{sub 2}(H{sub 2}O)[BP{sub 2}O{sub 7}(OH)], showing the structural evolution of CuO{sub 5} pyramids in the synthetic process. - Highlights: • A novel copper borophosphate has been synthesized by the molten hydrated flux method. • Magnetic measurements show its antiferromagnetism at low temperature. • A structural relation between the precursor and the final solid is discovered.

  1. Crystal and molecular structures of 2-amino-5-(m-nitrophenyl)-1,3,4-Thiadiazole

    SciTech Connect

    Ishankhodzhaeva, M. M.; Surazhskaya, M. D.; Mukhammedov, A. E.; Koz'min, P. A.

    2006-01-15

    2-Amino-5-(m-nitrophenyl)-1,3,4-thiadiazole (C{sub 8}H{sub 6}N{sub 4}O{sub 2}S) is studied using IR and {sup 1}H NMR spectroscopy and X-ray diffraction (CAD4 automated diffractometer, {lambda}MoK{sub {alpha}}, graphite monochromator, 957 unique reflections, Patterson method, R = 0.0326). The crystals are monoclinic, a = 11.832 A, b = 9.862 A, c = 8.353 A, {beta} = 110.40(3) deg., V = 913.6(3) A{sup 3}, d{sub calcd} = 1.212 g cm{sup -3}, {mu}(MoK{sub {alpha}}) = 0.253 mm{sup -1}, Z = 4, and space group P2{sub 1}/c. In the crystal, the C{sub 8}H{sub 6}N{sub 4}O{sub 2}S molecules form infinite layers parallel to the xz plane. Each layer contains aromatic rings with nitro groups that deviate from the layer plane on either side of the layer. In the packing, the aromatic rings with nitro groups of one layer fill spaces between aromatic rings with nitro groups of the adjacent layers.

  2. Structural investigations of {beta}-CaAlF{sub 5} by coupling powder XRD, NMR, EPR and spectroscopic parameter calculations

    SciTech Connect

    Body, M. . E-mail: monique.body@univ-lemans.fr; Silly, G.; Legein, C.; Buzare, J.-Y.; Calvayrac, F.; Blaha, P.

    2005-12-15

    {beta}-CaAlF{sub 5} was synthesized by solid-state reaction. The precise structure was refined from X-ray powder diffraction data in the monoclinic space group P2{sub 1}/c with lattice constants a=5.3361A, b=9.8298A, c=7.3271A, and {beta}=109.91{sup o} (Z=4). The structure exhibits isolated chains of AlF{sub 6}{sup 3-} octahedra sharing opposite corners.{sup 19}F and {sup 27}Al solid state NMR spectra were recorded using MAS and SATRAS techniques. An EPR spectrum was recorded for {beta}-CaAlF{sub 5}:Cr{sup 3+}. The experimental spectra were simulated in order to extract the NMR and EPR parameter values. Five fluorine sites and one low symmetry aluminium site were found in agreement with the refined structure. These parameters were calculated using empirical and ab-initio methods. The agreement obtained between the calculated {sup 19}F chemical shift values, {sup 27}Al quadrupolar parameters, Cr{sup 3+} EPR fine structure parameters and the experimental results demonstrates the complementarity of XRD, magnetic resonance experiments and theoretical methodologies.

  3. Structural and magnetic characterization of the one-dimensional S = 5/2 antiferromagnetic chain system SrMn(VO4)(OH)

    DOE PAGES [OSTI]

    Sanjeewa, Liurukara D.; Garlea, Vasile O.; McGuire, Michael A.; McMillen, Colin D.; Cao, Huibo; Kolis, Joseph W.

    2016-06-06

    The descloizite-type compound, SrMn(VO4)(OH), was synthesized as large single crystals (1-2mm) using a high-temperature high-pressure hydrothermal technique. X-ray single crystal structure analysis reveals that the material crystallizes in the acentric orthorhombic space group of P212121 (no. 19), Z = 4. The structure exhibits a one-dimensional feature, with [MnO4] chains propagating along the a-axis which are interconnected by VO4 tetrahedra. Raman and infrared spectra were obtained to identify the fundamental vanadate and hydroxide vibrational modes. Magnetization data reveal a broad maximum at approximately 80 K, arising from one-dimensional magnetic correlations with intrachain exchange constant of J/kB = 9.97(3) K between nearestmore » Mn neighbors and a canted antiferromagnetic behavior below TN = 30 K. Single crystal neutron diffraction at 4 K yielded a magnetic structure solution in the lower symmetry of the magnetic space group P21 with two unique chains displaying antiferromagnetically ordered Mn moments oriented nearly perpendicular to the chain axis. Lastly, the presence of the Dzyaloshinskii Moriya antisymmetric exchange interaction leads to a slight canting of the spins and gives rise to a weak ferromagnetic component along the chain direction.« less

  4. Microsoft Word - Test4.doc

    Gasoline and Diesel Fuel Update

    3, 1998 http://www.eia.doe.gov N Y M E X F u t u r e P r i c e s v s H e n r y H u b S p o t P r i c e s 1 . 5 0 1 . 7 5 2 . 0 0 2 . 2 5 2 . 5 0 2 . 7 5 3 . 0 0 3 . 2 5 3 . 5 0 3 . 7 5 4 . 0 0 Dollars Per Million BTU N Y M E X S e t t l e m e n t P r i c e H e n r y H u b S p o t N o t e : T h e H e n r y H u b s p o t p r i c e i s f r o m t h e G A S D A I L Y a n d i s t h e m i d p o i n t o f t h e i r h i g h a n d l o w p r i c e f o r a d a y . . 0 0 0 D E C - 9 7 J A N - 9 8 F E B - 9 8

  5. Microsoft Word - Test4.doc

    Gasoline and Diesel Fuel Update

    4, 1998 http://www.eia.doe.gov N Y M E X F u t u r e P r i c e s v s H e n r y H u b S p o t P r i c e s 1 . 5 0 1 . 7 5 2 . 0 0 2 . 2 5 2 . 5 0 2 . 7 5 3 . 0 0 3 . 2 5 3 . 5 0 3 . 7 5 4 . 0 0 Dollars Per Million BTU N Y M E X S e t t l e m e n t P r i c e H e n r y H u b S p o t N o t e : T h e H e n r y H u b s p o t p r i c e i s f r o m t h e G A S D A I L Y a n d i s t h e m i d p o i n t o f t h e i r h i g h a n d l o w p r i c e f o r a d a y . . 0 0 0 J A N - 9 8 F E B - 9 8 M A R - 9 8

  6. Microsoft Word - Test4.doc

    Gasoline and Diesel Fuel Update

    1, 1998 http://www.eia.doe.gov N Y M E X F u t u r e P r i c e s v s H e n r y H u b S p o t P r i c e s 1 . 5 0 1 . 7 5 2 . 0 0 2 . 2 5 2 . 5 0 2 . 7 5 3 . 0 0 3 . 2 5 3 . 5 0 3 . 7 5 4 . 0 0 Dollars Per Million BTU N Y M E X S e t t l e m e n t P r i c e H e n r y H u b S p o t N o t e : T h e H e n r y H u b s p o t p r i c e i s f r o m t h e G A S D A I L Y a n d i s t h e m i d p o i n t o f t h e i r h i g h a n d l o w p r i c e f o r a d a y . . 0 0 0 J A N - 9 8 F E B - 9 8 M A R - 9 8

  7. Microsoft Word - summer.doc

    Gasoline and Diesel Fuel Update

    8, 1998 http://www.eia.doe.gov N Y M E X F u t u r e P r i c e s v s H e n r y H u b S p o t P r i c e s 1 . 5 0 1 . 7 5 2 . 0 0 2 . 2 5 2 . 5 0 2 . 7 5 3 . 0 0 3 . 2 5 3 . 5 0 3 . 7 5 4 . 0 0 Dollars Per Million BTU N Y M E X S e t t l e m e n t P r i c e H e n r y H u b S p o t N o t e : T h e H e n r y H u b s p o t p r i c e i s f r o m t h e G A S D A I L Y a n d i s t h e m i d p o i n t o f t h e i r h i g h a n d l o w p r i c e f o r a d a y . . 0 0 0 J A N - 9 8 F E B - 9 8 M A R - 9 8

  8. Microsoft Word - summer.doc

    Gasoline and Diesel Fuel Update

    6, 1998 http://www.eia.doe.gov N Y M E X F u t u r e P r i c e s v s H e n r y H u b S p o t P r i c e s 1 . 5 0 1 . 7 5 2 . 0 0 2 . 2 5 2 . 5 0 2 . 7 5 3 . 0 0 3 . 2 5 3 . 5 0 3 . 7 5 4 . 0 0 Dollars Per Million BTU N Y M E X S e t t l e m e n t P r i c e H e n r y H u b S p o t N o t e : T h e H e n r y H u b s p o t p r i c e i s f r o m t h e G A S D A I L Y a n d i s t h e m i d p o i n t o f t h e i r h i g h a n d l o w p r i c e f o r a d a y . . 0 0 0 J A N - 9 8 F E B - 9 8 M A R - 9 8

  9. Microsoft Word - summer.doc

    Gasoline and Diesel Fuel Update

    8 http://www.eia.doe.gov N Y M E X F u t u r e P r i c e s v s H e n r y H u b S p o t P r i c e s 1 . 5 0 1 . 7 5 2 . 0 0 2 . 2 5 2 . 5 0 2 . 7 5 3 . 0 0 3 . 2 5 3 . 5 0 3 . 7 5 4 . 0 0 Dollars Per Million BTU N Y M E X S e t t l e m e n t P r i c e H e n r y H u b S p o t N o t e : T h e H e n r y H u b s p o t p r i c e i s f r o m t h e G A S D A I L Y a n d i s t h e m i d p o i n t o f t h e i r h i g h a n d l o w p r i c e f o r a d a y . . 0 0 0 M A R - 9 8 J A N - 9 8 F E B - 9 8 A P R

  10. Microsoft Word - summer.doc

    Gasoline and Diesel Fuel Update

    8, 1998 http://www.eia.doe.gov N Y M E X F u t u r e P r i c e s v s H e n r y H u b S p o t P r i c e s 1 . 5 0 1 . 7 5 2 . 0 0 2 . 2 5 2 . 5 0 2 . 7 5 3 . 0 0 3 . 2 5 3 . 5 0 3 . 7 5 4 . 0 0 Dollars Per Million BTU N Y M E X S e t t l e m e n t P r i c e H e n r y H u b S p o t N o t e : T h e H e n r y H u b s p o t p r i c e i s f r o m t h e G A S D A I L Y a n d i s t h e m i d p o i n t o f t h e i r h i g h a n d l o w p r i c e f o r a d a y . . 0 0 0 M A R - 9 8 J A N - 9 8 F E B - 9 8

  11. Microsoft Word - summer.doc

    Gasoline and Diesel Fuel Update

    2, 1998 http://www.eia.doe.gov N Y M E X F u t u r e P r i c e s v s H e n r y H u b S p o t P r i c e s 1 . 5 0 1 . 7 5 2 . 0 0 2 . 2 5 2 . 5 0 2 . 7 5 3 . 0 0 3 . 2 5 3 . 5 0 3 . 7 5 4 . 0 0 Dollars Per Million BTU N Y M E X S e t t l e m e n t P r i c e H e n r y H u b S p o t N o t e : T h e H e n r y H u b s p o t p r i c e i s f r o m t h e G A S D A I L Y a n d i s t h e m i d p o i n t o f t h e i r h i g h a n d l o w p r i c e f o r a d a y . . 0 0 0 M A R - 9 8 J A N - 9 8 F E B - 9 8

  12. Directed synthesis of crystalline plutonium (III) and (IV) oxalates: accessing redox-controlled separations in acidic solutions

    SciTech Connect

    Runde, Wolfgang; Brodnax, Lia F; Goff, George S; Bean, Amanda C; Scott, Brian L

    2009-01-01

    Both binary and ternary solid complexes of Pu(III) and Pu(IV) oxalates have been previously reported in the literature. However, uncertainties regarding the coordination chemistry and the extent of hydration of some compounds remain mainly because of the absence of any crystallographic characterization. Single crystals of hydrated oxalates of Pu(III), Pu{sub 2}(C{sub 2}O{sub 4}){sub 3}(H{sub 2}O){sub 6}{center_dot}3H{sub 2}O (I) and Pu(IV), KPu(C{sub 2}O{sub 4}){sub 2}(OH){center_dot}2.5H{sub 2}O (II), were synthesized under moderate hydrothermal conditions and characterized by single crystal X-ray diffraction studies. Compounds I and II are the first plutonium(III) or (IV) oxalate compounds to be structurally characterized via single crystal X-ray diffraction studies. Crystallographic data for I: monoclinic, space group P21/c, a = 11.246(3) A, b = 9.610(3) A, c = 10.315(3) A, Z = 4 and II: monoclinic, space group C2/c, a = 23.234(14) A, b = 7.502(4) A, c = 13.029(7) A, Z = 8.

  13. MAXI INVESTIGATION INTO THE LONG-TERM X-RAY VARIABILITY FROM THE VERY-HIGH-ENERGY ?-RAY BLAZAR Mrk 421

    SciTech Connect

    Isobe, Naoki [Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA) 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa 252-5210 (Japan); Sato, Ryosuke; Ueda, Yoshihiro; Hayashida, Masaaki; Shidatsu, Megumi; Kawamuro, Taiki [Department of Astronomy, Kyoto University, Kitashirakawa-Oiwake-cho, Sakyo-ku, Kyoto 606-8502 (Japan); Ueno, Shiro; Matsuoka, Masaru [ISS Science Project Office, Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505 (Japan); Sugizaki, Mutsumi; Sugimoto, Juri; Mihara, Tatehiro [MAXI team, Institute of Physical and Chemical Research (RIKEN), 2-1 Hirosawa, Wako, Saitama 351-0198 (Japan); Negoro, Hitoshi, E-mail: n-isobe@ir.isas.jaxa.jp [Department of Physics, Nihon University, 1-8-14 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-8308 (Japan)

    2015-01-01

    The archetypical very-high-energy ?-ray blazar Mrk 421 was monitored for more than three years with the Gas Slit Camera on board Monitor of All Sky X-ray Image (MAXI), and its long-term X-ray variability was investigated. The MAXI light curve in the 3-10 keV range was transformed into the periodogram in the frequency range f = 1 10{sup 8}-2 10{sup 6} Hz. The artifacts on the periodogram, resulting from data gaps in the observed light curve, were extensively simulated for variations with a power-law-like power spectrum density (PSD). By comparing the observed and simulated periodograms, the PSD index was evaluated as ? = 1.60 0.25. This index is smaller than that obtained in the higher-frequency range (f ? 1 10{sup 5} Hz), namely, ? = 2.14 0.06 in the 1998 ASCA observation of the object. The MAXI data impose a lower limit on the PSD break at f {sub b} = 5 10{sup 6} Hz, consistent with the break of f {sub b} = 9.5 10{sup 6} Hz suggested from the ASCA data. The low-frequency PSD index of Mrk 421 derived with MAXI falls well within the range of typical values among nearby Seyfert galaxies (? = 1-2). The physical implications from these results are briefly discussed.

  14. EIA Energy Information Administration

    Gasoline and Diesel Fuel Update

    2, 1997 http://www.eia.doe.gov N Y M E X F u t u r e P r i c e s v s H e n r y H u b S p o t P r i c e s 1 . 5 0 1 . 7 5 2 . 0 0 2 . 2 5 2 . 5 0 2 . 7 5 3 . 0 0 Dollars Per Million BTU N Y M E X S e t t l e m e n t P r i c e H e n r y H u b S p o t N o t e : T H e H e n r y H u b s p o t p r i c e i s f r o m t h e G A S D A I L Y a n d i s t h e m i d p o i n t o f t h e i r h i g h a n d l o w p r i c e f o r a d a y . . 0 0 F E B - 9 7 M A R - 9 7 A P R - 9 7 M A Y - 9 7 H ig h T e m p e r a

  15. EIA Energy Information Administration

    Gasoline and Diesel Fuel Update

    9, 1997 http://www.eia.doe.gov N Y M E X F u t u r e P r i c e s v s H e n r y H u b S p o t P r i c e s 1 . 5 0 1 . 7 5 2 . 0 0 2 . 2 5 2 . 5 0 2 . 7 5 3 . 0 0 Dollars Per Million BTU N Y M E X S e t t l e m e n t P r i c e H e n r y H u b S p o t N o t e : T H e H e n r y H u b s p o t p r i c e i s f r o m t h e G A S D A I L Y a n d i s t h e m i d p o i n t o f t h e i r h i g h a n d l o w p r i c e f o r a d a y . . 0 0 F E B - 9 7 M A R - 9 7 A P R - 9 7 M A Y - 9 7 H ig h T e m p e r a

  16. EIA Energy Information Administration

    Gasoline and Diesel Fuel Update

    7, 1997 http://www.eia.doe.gov N Y M E X F u t u r e P r i c e s v s H e n r y H u b S p o t P r i c e s 1 . 5 0 1 . 7 5 2 . 0 0 2 . 2 5 2 . 5 0 2 . 7 5 3 . 0 0 Dollars Per Million BTU N Y M E X S e t t l e m e n t P r i c e H e n r y H u b S p o t N o t e : T H e H e n r y H u b s p o t p r i c e i s f r o m t h e G A S D A I L Y a n d i s t h e m i d p o i n t o f t h e i r h i g h a n d l o w p r i c e f o r a d a y . . 0 0 F E B - 9 7 M A R - 9 7 A P R - 9 7 M A Y - 9 7 H ig h T e m p e r a

  17. EIA Energy Information Administration

    Gasoline and Diesel Fuel Update

    , 1997 http://www.eia.doe.gov N Y M E X F u t u r e P r i c e s v s H e n r y H u b S p o t P r i c e s 1 . 5 0 1 . 7 5 2 . 0 0 2 . 2 5 2 . 5 0 2 . 7 5 3 . 0 0 Dollars Per Million BTU N Y M E X S e t t l e m e n t P r i c e H e n r y H u b S p o t N o t e : T H e H e n r y H u b s p o t p r i c e i s f r o m t h e G A S D A I L Y a n d i s t h e m i d p o i n t o f t h e i r h i g h a n d l o w p r i c e f o r a d a y . . 0 0 F E B - 9 7 M A R - 9 7 A P R - 9 7 M A Y - 9 7 H ig h T e m p e r a

  18. THE STAR FORMATION HISTORY OF THE MILKY WAY'S NUCLEAR STAR CLUSTER

    SciTech Connect

    Pfuhl, O.; Fritz, T. K.; Eisenhauer, F.; Genzel, R.; Gillessen, S.; Ott, T.; Dodds-Eden, K.; Zilka, M.; Sternberg, A.; Maness, H.

    2011-11-10

    We present spatially resolved imaging and integral field spectroscopy data for 450 cool giant stars within 1 pc from Sgr A*. We use the prominent CO bandheads to derive effective temperatures of individual giants. Additionally we present the deepest spectroscopic observation of the Galactic center (GC) so far, probing the number of B9/A0 main-sequence stars (2.2-2.8 M{sub sun}) in two deep fields. From spectrophotometry we construct a Hertzsprung-Russell diagram of the red giant population and fit the observed diagram with model populations to derive the star formation history of the nuclear cluster. We find (1) that the average nuclear star formation rate dropped from an initial maximum {approx}10 Gyr ago to a deep minimum 1-2 Gyr ago and increased again during the last few hundred Myrs, (2) that roughly 80% of the stellar mass formed more than 5 Gyr ago, and (3) that mass estimates within R {approx} 1 pc from Sgr A* favor a dominant star formation mode with a 'normal' Chabrier/Kroupa initial mass function for the majority of the past star formation in the GC. The bulk stellar mass seems to have formed under conditions significantly different from the young stellar disks, perhaps because at the time of the formation of the nuclear cluster the massive black hole and its sphere of influence were much smaller than today.

  19. Synthesis and crystal structure of a copper complex with (E)-2-(4-(1H-1,2,4-triazol-1-yl)benzylidene)-3, 4-dihydronaphthalen-1(2H)-one ligand

    SciTech Connect

    Sun, Shu-Wen; Zhang, Xiao; Wang, Gao-Feng

    2015-12-15

    The title compound, C{sub 35}H{sub 23}CuF{sub 6}N{sub 3}O{sub 5}S{sub 2} (1), was synthesized by the reaction of Cu(tta){sub 2} and L{sup 1}, (L{sup 1} = (E)-2-(4-(1H-1,2,4-triazol-1-yl)benzylidene)-3, 4-dihydronaphthalen-1(2H)-one) in the dichloromethane solution. It crystallizes in the monoclinic, space group P2{sub 1}/c with a = 33.8388(5), b = 9.3874(2), c = 21.8194(4) Å, β = 95.522(2), V = 6898.9(2) Å{sup 3}, Z = 8, D{sub x} = 1.554 Mg/m{sup 3}, F(000) = 3272, µ = 0.834 mm{sup –1}, R{sub 1} = 0.0639, wR{sub 2} = 0.1637. The copper(II) ion of 1 is in a distorted square-pyramidal environment with four O atoms of the two tta ligands and one N atom of triazole ligand L{sup 1}. Single-crystal X-ray diffraction data revealed that the hydrogen bonds, weak C–H···π and π···π interactions in the crystals link the coordination units to form 3D supramolecular structures.

  20. GPU Computing - Dirac.pptx

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    GPU Computing with Dirac Hemant Shukla 2 Architectural Differences 2 ALU Cache DRAM Control Logic DRAM CPU GPU 512 cores 10s t o 1 00s o f t hreads p er c ore Latency i s h idden b y f ast c ontext switching Less t han 2 0 c ores 1---2 t hreads p er c ore Latency i s h idden b y l arge c ache 3 Programming Models 3 CUDA (Compute Unified Device Architecture) OpenCL Microsoft's DirectCompute Third party wrappers are also available for Python, Perl, Fortran, Java, Ruby, Lua, MATLAB, IDL, and

  1. Vacuum space charge effects in sub-picosecond soft X-ray photoemission on a molecular adsorbate layer

    SciTech Connect

    Dell'Angela, M.; Anniyev, T.; Beye, M.; Coffee, R.; Föhlisch, A.; Gladh, J.; Kaya, S.; Katayama, T.; Krupin, O.; Nilsson, A.; Nordlund, D.; Schlotter, W. F.; Sellberg, J. A.; Sorgenfrei, F.; Turner, J. J.; Öström, H.; Ogasawara, H.; Wolf, M.; Wurth, W.

    2015-03-01

    Vacuum space charge-induced kinetic energy shifts of O 1s and Ru 3d core levels in femtosecond soft X-ray photoemission spectra (PES) have been studied at a free electron laser (FEL) for an oxygen layer on Ru(0001). We fully reproduced the measurements by simulating the in-vacuum expansion of the photoelectrons and demonstrate the space charge contribution of the high-order harmonics in the FEL beam. Employing the same analysis for 400 nm pump-X-ray probe PES, we can disentangle the delay dependent Ru 3d energy shifts into effects induced by space charge and by lattice heating from the femtosecond pump pulse.

  2. http://www

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Instruments and the Probes to which they are attached CHAPS 07 G-1 Instruments rev. 07-2-20 Instrument CVI non-CVI Gases Other PI TSI-3563 Neph 1 Ogren/Andrews TSI-3010 CPC 1 Ogren/Andrews PSAP Radiance 0 Laulainen PSAP NOAA 1 Ogren/Andrews AMS 1 Lee/Alexander FIMS 1 Wang LAPA-1 1 Dubey TRAC 1 Laskin TDL H2O 1 Ogren/Andrews CVI control 1 Ogren/Andrews CVI flow meters ? Ogren/Andrews CVI pumps 2 Ogren/Andrews CVI heat 0 Ogren/Andrews CVI zero air bottle 1 Ogren/Andrews CVI data system 1

  3. Fjords in viscous fingering: selection of width and opening scale

    SciTech Connect

    Mineev-weinstein, Mark; Ristroph, Leif; Thrasher, Matthew; Swinney, Harry

    2008-01-01

    Our experiments on viscous fingering of air into oil contained between closely spaced plates reveal two selection rules for the fjords of oil that separate fingers of air. (Fjords are the building blocks of solutions of the zero-surface-tension Laplacian growth equation.) Experiments in rectangular and circular geometries yield fjords with base widths {lambda}{sub c}/2, where {lambda}{sub c} is the most unstable wavelength from a linear stability analysis. Further, fjords open at an angle of 8.0{sup o}{+-}1.0{sup o}. These selection rules hold for a wide range of pumping rates and fjord lengths, widths, and directions.

  4. Samarium electrodeposited acetate and oxide thin films on stainless steel substrate characterized by XPS

    DOE PAGES [OSTI]

    Myhre, Kristian; Burns, Jonathan; Meyer, Harry; Sims, Nathan; Boll, Rose

    2016-06-01

    Characterization of a samarium thin film deposited on a stainless steel substrate using molecular electrodeposition was carried out using a Thermo Scientific K-Alpha X-ray photoelectron spectrometer. We studied two types of samarium electrodeposition samples, one as-deposited and one heated to 700 °C in an air flow. Survey scans include peaks coming from the stainless steel substrate, such as Fe and Cr. An X-ray photoelectron spectroscopy (XPS) survey spectrum, Sm 3d, C 1s, and O 1s narrow scans are shown. It was determined that the heating process decomposed the deposited Sm acetate to Sm2O3 using XPS.

  5. Vacuum space charge effects in sub-picosecond soft X-ray photoemission on a molecular adsorbate layer

    DOE PAGES [OSTI]

    Dell'Angela, M.; Elettra-Sincrotrone Trieste, Trieste; Anniyev, T.; Beye, M.; Helmholtz-Zentrum Berlin fur Materialien und Energie, Berlin; Coffee, R.; Fhlisch, A.; Universitt Potsdam,; Gladh, J.; Kaya, S.; et al

    2015-03-01

    Vacuum space charge induced kinetic energy shifts of O 1s and Ru 3d core levels in femtosecond soft X-ray photoemission spectra (PES) have been studied at a free electron laser (FEL) for an oxygen layer on Ru(0001). We fully reproduced the measurements by simulating the in-vacuum expansion of the photoelectrons and demonstrate the space charge contribution of the high-order harmonics in the FEL beam. Employing the same analysis for 400 nm pump-X-ray probe PES, we can disentangle the delay dependent Ru 3d energy shifts into effects induced by space charge and by lattice heating from the femtosecond pump pulse.

  6. Probing Battery Chemistry with Liquid Cell Electron Energy Loss Spectroscopy

    SciTech Connect

    Unocic, Raymond R.; Baggetto, Loic; Veith, Gabriel M.; Aguiar, Jeffery A.; Unocic, Kinga A.; Sacci, Robert L.; Dudney, Nancy J.; More, Karren L.

    2015-11-25

    We demonstrate the ability to apply electron energy loss spectroscopy (EELS) to follow the chemistry and oxidation states of LiMn2O4 and Li4Ti5O12 battery electrodes within a battery solvent. The use and importance of in situ electrochemical cells coupled with a scanning/transmission electron microscope (S/TEM) has expanded and been applied to follow changes in battery chemistry during electrochemical cycling. Furthermore, we discuss experimental parameters that influence measurement sensitivity and provide a framework to apply this important analytical method to future in situ electrochemical studies.

  7. Energy Level Diagrams A=14

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    4 Available in the following years: (1991), (1986), (1981), (1976), (1970), (1959) A=14 Energy Level Diagrams from (1991AJ01) GIF (Graphic Interchange Format): 14B (48 KB) 14C (92 KB) 14N (132 KB) 14O (60 KB) Isobar diagram (93 KB) PDF (Portable Document Format): 14B (33 KB) 14C (50 KB) 14N (69 KB) 14O (40 KB) Isobar diagram (51 KB) EPS (Encapsulated Postscript): 14B (1.57 MB) 14C (1.72 MB) 14N (1.76 MB) 14O (1.75 MB) Isobar diagram (1.83 MB) A=14 Energy Level Diagrams from (1986AJ01) GIF

  8. Energy Level Diagrams A=15

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    5 Available in the following years: (1991), (1986), (1981), (1976), (1970), (1959) A=15 Energy Level Diagrams from (1991AJ01) GIF (Graphic Interchange Format): 15C (67 KB) 15N (114 KB) 15O (106 KB) Isobar diagram (100 KB) PDF (Portable Document Format): 15C (43 KB) 15N (69 KB) 15O (59 KB) Isobar diagram (58 KB) EPS (Encapsulated Postscript): 15C (1.82 MB) 15N (1.98 MB) 15O (1.67 MB) Isobar diagram (1.83 MB) A=15 Energy Level Diagrams from (1986AJ01) GIF (Graphic Interchange Format): 15C (52 KB)

  9. Energy Level Diagrams A=18

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    8 Available in the following years: (1995), (1987), (1983), (1978), (1972), (1959) A=18 Energy Level Diagrams from (1995TI07) GIF (Graphic Interchange Format): 18N (34 KB) 18O (97 KB) 18F (89 KB) 18Ne (56 KB) Isobar diagram (87 KB) PDF (Portable Document Format): 18N (13 KB) 18O (56 KB) 18F (54 KB) 18Ne (36 KB) Isobar diagram (50 KB) EPS (Encapsulated Postscript): 18N (13 KB) 18O (1.98 MB) 18F (1.40 MB) 18Ne (1.64 MB) Isobar diagram (1.79 MB) A=18 Energy Level Diagrams from (1987AJ02) GIF

  10. Energy Level Diagrams A=19

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    9 Available in the following years: (1995), (1987), (1983), (1978), (1972), (1959) A=19 Energy Level Diagrams from (1995TI07) GIF (Graphic Interchange Format): 19O (50 KB) 19F (99 KB) 19Ne (53 KB) Isobar diagram (65 KB) PDF (Portable Document Format): 19O (34 KB) 19F (63 KB) 19Ne (35 KB) Isobar diagram (43 KB) EPS (Encapsulated Postscript): 19O (1.60 MB) 19F (1.82 MB) 19Ne (1.26 MB) Isobar diagram (1.55 MB) A=19 Energy Level Diagrams from (1987AJ02) GIF (Graphic Interchange Format): 19O (204 KB)

  11. Energy Level Diagrams A=20

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    20 Available in the following years: (1998), (1987), (1983), (1978), (1972), (1959) A=20 Energy Level Diagrams from (1998TI06) GIF (Graphic Interchange Format): 20O (47 KB) 20F (61 KB) 20Ne (75 KB) 20Na (61 KB) Isobar diagram (73 KB) PDF (Portable Document Format): 20O (31 KB) 20F (40 KB) 20Ne (51 KB) 20Na (41 KB) Isobar diagram (47 KB) EPS (Encapsulated Postscript): 20O (1.44 MB) 20F (1.45 MB) 20Ne (1.38 MB) 20Na (1.75 MB) Isobar diagram (1.73 MB) A=20 Energy Level Diagrams from (1987AJ02) GIF

  12. Assessing

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Assessing dental disease in minutes Understanding climate change Keeping watch on the world SPRING 2007 S A N D I A T E C H N O L O G Y A Q UA RT E R LY R E S E A R C H & D E V E LO P M E N T MAG A Z I N E - VO LUM E 9 , N O. 1 Sandia Technology (ISSN: 1547-5190) is a quarterly maga- zine published by Sandia National Laboratories. Sandia is a multiprogram engineering and science laboratory operated by Sandia Corporation, a Lockheed Martin company, for the Department of Energy. With main

  13. L I UCRLr90790 R E V

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    L I UCRLr90790 R E V . 1 PREPRINT EXCITONS IN THE FRACTIONAL QUANTUM HALL EFFECT __ ~ ~ .~ UCRL--90790-Rev.l R . B . Laughlin D E 8 7 008148 This paper was prepared for submittal t o 1 7 t h International Conference on Low T e m erature Physics Karl sruRe, West Germany August 15-23, 1984 September 1984 This is a preprint of a paper intended for publication in a journal or proceedings. Since chances mav be made before oublication, this preprint is made available with the \ " . .

  14. Use of oxide decompositions in advanced thermochemical hydrogen cycles for solar heat sources. Experimental results on the low-temperature reactions for the tricobalt tetraoxide-cobalt monoxide pair

    SciTech Connect

    Jones, W.M.; Bowman, M.G.

    1982-01-01

    The concept of utilizing oxide decompositions in advanced thermochemical hydrogen cycles for solar heat sources is introduced. It has particular interest in allowing direct transmission of energy to the process through an air window. A cycle for the Co/sub 3/O/sub 4/-CoO pair would be, schematically: (1) Co/sub 3/O/sub 4/ = 3CoO + 1/2 O/sub 2/; (2) I/sub 2/(s,1) + Mg(OH)/sub 2/ + 3CoO = MgI/sub 2/(aq) + Co/sub 3/O/sub 4/ + H/sub 2/O(1); (3) H/sub 2/O + MgI/sub 2/(aq) = MgO + 2HI; (4) 2 HI = H/sub 2/ + I/sub 2/; (5) MgO + H/sub 2/O = Mg(OH)/sub 2/. Reaction (2) should give a high concentration of MgI/sub 2/ that would be favorable for (3). The solutions would also contain iodine dissolved as polyiodide, partly offsetting this advantage. Preliminary results indicate that reaction (2) is slow at 150/sup 0/C. It is surmised that the mechanism of (2) consists of the iodine disproportionation reaction (6), followed by reaction (7). (6) I/sub 2/(s,1) + Mg(OH)/sub 2/ = 5/6 MgI/sub 2/(aq) + 1/6 Mg(IO/sub 3/)/sub 2/(aq) + H/sub 2/O(1); (7) 1/6 Mg(IO/sub 3/)/sub 2/(aq) + 3 CoO = 1/6 MgI/sub 2/(aq) + Co/sub 3/O/sub 4/. Other workers have found (6) to be relatively fast and with a good yield at 150/sup 0/C. We have found the independently studied reaction (7) to be sufficiently slow at 150/sup 0/C to account for the slowness of (2). The yield of (7) was found to be proportional to the square root of the time, which suggests that iodate must diffuse through an adherent, accumulating Co/sub 3/O/sub 4/ layer. Since (7) is much faster when Mg(IO/sub 3/)/sub 2/ is replaced by KIO/sub 3/, the Mg/sup 2 +/ ion may catalyze formation of an adherent Co/sub 3/O/sub 4/ spinel layer. The reactivity of CoO in the KIO/sub 3/ analog of (7) is greatly decreased by exposure to high temperature.

  15. 1. CONTRACT ID CODE PAGE OF PAGES AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT I11 5

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Ap5,sval 2700042 1. CONTRACT ID CODE PAGE OF PAGES AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT I11 5 2. AMENDMENT/MOOIFICATION NO. 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQ. NO.5 PROJECT NO. (If applicable) A077 See 16C 06-08RL-14383.O1 1 6. ISSUED BY CODE 7. ADMINISTERED BY (If other than Item 6) CODEJ US. Department of Energy Same as item 6. Richland Operations Office DOE Contracting POC: Richard Stimmrrel P. 0. Box 550, MSIN A7-80 (509) 376-2882 Richland, WA 99352 8 NAME AND

  16. Documentation - Laboratory for Laser Energetics

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    II System Operation Procedures OMEGA System Operations Manual - Volume II-System Operation Procedures (S-AA-M-013) Front Matter Part 1 - OMEGA Shot Operations Procedures S.O. 1: Shot Director S.O. 2: Power Conditioning S.O. 3: Beamlines Operator S.O. 4: Laser Drivers Operator S.O. 5: Experimental System Operator S.O. 6: Target Diagnostics S.O. 7: Experimental Cryogenic Technician S.O. 7-5: Spherical Shot Operations S.O. 7-6: Planar Shot Operations S.O. 8: Target Chamber Tritium Recovery System

  17. Documentation - Laboratory for Laser Energetics

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    V CTHS System Operation Procedures Front Matter C.S.O. 1: Target Fabrication (unavailable pending review) C.S.O. 2: Moving Cryostat Transfer Cart C.S.O. 3: Tritium Fill Station Room Temperature Fill C.S.O. 5: DT High-Pressure System-1 (Obsolete DD fill procedure. Superceeded by CSO 12) C.S.O. 6: High-Pressure System-2 C.S.O. 7: Fill/Transfer Station-1 C.S.O. 8: Fill/Transfer Station-2 C.S.O. 9: DT Target Transfer Operations C.S.O. 10: DD Target Transfer Operations C.S.O. 11: Characterization

  18. APPENDICES

    Office of Legacy Management (LM)

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  19. Microsoft Word - appxa.doc

    Office of Legacy Management (LM)

    Upstream of A-1 Bypass A.2 Precipitation Data A.2.1 PG58: Gaging Station GS01 A.2.2 ... Repeater Node RTU2 A.3 Groundwater Level Data for CY 2009 A.4 Groundwater Hydrographs ...

  20. APPENDICES

    Office of Legacy Management (LM)

    Upstream of A-1 Bypass A.2 Precipitation Data A.2.1 PG58: Gaging Station GS01 A.2.2 ... Station WOMPOC A.3 Groundwater Level Data for CY 2013 A.4 Groundwater Hydrographs ...

  1. LMS-AMC-S01980-0-0.cdr

    Office of Legacy Management (LM)

    .........A-1 A2.0 Purpose and Scope ......A2.0 Purpose and Scope This plan provides the sampling approach and rationale for the ...

  2. X-ray photoelectron spectroscopic investigation of nanocrystalline calcium silicate hydrates synthesised by reactive milling

    SciTech Connect

    Black, Leon . E-mail: l.black@shu.ac.uk; Garbev, Krassimir; Beuchle, Guenter; Stemmermann, Peter; Schild, Dieter

    2006-06-15

    X-ray photoelectron spectroscopy (XPS) has been used to analyse a series of mechanochemically synthesised, nanocrystalline calcium silicate hydrates (C-S-H). The samples, with Ca/Si ratios of 0.2 to 1.5, showed structural features of C-S-H(I). XPS analysis revealed changes in the extent of silicate polymerisation. Si 2p, Ca 2p and O 1s spectra showed that, unlike for the crystalline calcium silicate hydrate phases studied previously, there was no evidence of silicate sheets (Q{sup 3}) at low Ca/Si ratios. Si 2p and O 1s spectra indicated silicate depolymerisation, expressed by decreasing silicate chain length, with increasing C/S. In all spectra, peak narrowing was observed with increasing Ca/Si, indicating increased structural ordering. The rapid changes of the slope of FWHM of Si 2p, {delta} {sub Ca-Si} and {delta} {sub NBO-BO} as function of C/S ratio indicated a possible miscibility gap in the C-S-H-solid solution series between C/S 5/6 and 1. The modified Auger parameter ({alpha}') of nanocrystalline C-S-H decreased with increasing silicate polymerisation, a trend already observed studying crystalline C-S-H. Absolute values of {alpha}' were shifted about - 0.7 eV with respect to crystalline phases of equal C/S ratio, due to reduced crystallinity.

  3. High-pressure study of the Raman modes in YBa{sub 2}(Cu{sub 0.96}Ni{sub 0.04}){sub 4}O{sub 8}

    SciTech Connect

    Payne, D.J.; Guha, S.; Cai, Q.; Chandrasekhar, M.; Chandrasekhar, H.R.; Venkateswaran, U.D.; Jayaram, B.; Ulanday, J.

    1999-08-01

    We present a study of the Raman phonons in YBa{sub 2}(Cu{sub 0.96}Ni{sub 0.04}){sub 4}O{sub 8} under hydrostatic pressure in the superconducting phase. A comparison with our earlier work on the undoped YBa{sub 2}Cu{sub 4}O{sub 8} shows that the pressure coefficients of two vibrational modes involving oxygen atoms differ significantly from those of the corresponding modes in the undoped material. These are the O(1) chain mode which shifts 33{percent} faster and the O(2)-O(3) in-phase mode which shifts 23{percent} slower than the undoped counterparts. The other Raman modes in the Ni-doped sample shift in a manner similar to the undoped material. The observed behavior of the O(1) chain and O(2)-O(3) in-phase modes in YBa{sub 2}(Cu{sub 0.96}Ni{sub 0.04}){sub 4}O{sub 8} under pressure and the softening of the Cu(1) A{sub g} mode frequency with increasing Ni doping suggest that the Ni atoms substitute for the Cu atoms in the chain, which in turn decreases the compressibility in the vicinity of the Cu(Ni) chain atom. {copyright} {ital 1999} {ital The American Physical Society}

  4. Spectromicroscopy of poly(ethylene terephthalate): Comparison of spectra and radiation damage rates in X-ray absorption and electron energy loss

    SciTech Connect

    Rightor, E.G.; Hitchcock, A.P.; Urquhart, S.G.

    1997-03-13

    The C 1s and O 1s X-ray absorption spectra of poly(ethylene terephthalate) (PET) have been recorded using transmission, fluorescence, and electron yield detection. The corresponding electron energy loss spectra (EELS) have been recorded in a scanning transmission electron microscope. These results are compared to the C 1s and O 1s spectra of gas phase 1,4-dimethyl terephthalate (the monomer of PET) recorded using EELS. The comparison of monomer and polymer materials in different phases and with different techniques has aided the understanding of the relative strengths and limitations of each technique as well as assisting the spectral interpretation. Good agreement is found in the overall shape and the energies of the spectral features. Relatively minor differences in intensities can be understood in terms of the properties of the individual spectroscopic techniques. The critical dose for radiation damage by 100 keV electrons incident on PET at 100 K is found to be (1.45{+-}0.15)x10{sup 3} eV nm{sup -3}. In contrast, the critical dose for radiation damage by 302 eV X-rays incident on PET at 300 K is (1.2{+-}0.6)x10{sup 4} eV nm{sup -3}. A figure of merit involving the product of critical energy dose and spectral efficiency (as expressed by the appropriate G value) is developed. 59 refs., 5 figs., 4 tabs.

  5. The production mechanisms of OH radicals in a pulsed direct current plasma jet

    SciTech Connect

    Liu, X. Y.; Pei, X. K.; Lu, X. P.; Liu, D. W.; Ostrikov, K.

    2014-09-15

    The production mechanism of OH radicals in a pulsed DC plasma jet is studied by a two-dimensional (2-D) plasma jet model and a one-dimensional (1-D) discharge model. For the plasma jet in the open air, electron-impact dissociation of H{sub 2}O, electron neutralization of H{sub 2}O{sup +}, as well as dissociation of H{sub 2}O by O(1D) are found to be the main reactions to generate the OH species. The contribution of the dissociation of H{sub 2}O by electron is more than the others. The additions of N{sub 2}, O{sub 2}, air, and H{sub 2}O into the working gas increase the OH density outside the tube slightly, which is attributed to more electrons produced by Penning ionization. On the other hand, the additions of O{sub 2} and H{sub 2}O into the working gas increase the OH density inside the tube substantially, which is attributed to the increased O (1D) and H{sub 2}O concentration, respectively. The gas flow will transport high density OH out of the tube during pulse off period. It is also shown that the plasma chemistry and reactivity can be effectively controlled by the pulse numbers. These results are supported by the laser induced fluorescence measurements and are relevant to several applications of atmospheric-pressure plasmas in health care, medicine, and materials processing.

  6. Protonated Forms of Monoclinic Zirconia: A Theoretical Study

    SciTech Connect

    Mantz, Yves A.; Gemmen, Randall S.

    2010-05-06

    In various materials applications of zirconia, protonated forms of monoclinic zirconia may be formed, motivating their study within the framework of density-functional theory. Using the HCTH/120 exchange-correlation functional, the equations of state of yttria and of the three low-pressure zirconia polymorphs are computed, to verify our approach. Next, the favored charge state of a hydrogen atom in monoclinic zirconia is shown to be positive for all Fermilevel energies in the band gap, by the computation of defect formation energies.This result is consistent with a single previous theoretical prediction at midgap as well as muonium spectroscopy experiments. For the formally positively (+1e) charged system of a proton in monoclinic zirconia (with a homogeneous neutralizing background charge densityimplicitly included), modeled using up to a 3 x 3 x 3 arrangement of unit cells, different stable and metastable structures are identified. They are similar to those structures previously proposed for the neutral system of hydrogen-doedmonoclinic zirconia, at a similar level of theory. As predicted using the HCTH/120 functional, the lowest energy structure of the proton bonded to one of the two available oxygen atom types, O1, is favored by 0.39 eV compared to that of the proton bonded to O2. The rate of proton transfer between O1 ions is slower than that for hydrogen-dopedmonoclinic zirconia, whose transition-state structures may be lowered in energy by the extra electron.

  7. Building America Webinar: Building Energy Optimization (BEopt) Software

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    Tool | Department of EnergyA> 2_1.0.wmv (48.72

  8. Progress in Research 2012 - 2013 / Cyclotron Institute / Texas A&M

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    UniversityA> 2 - March 31, 2013 INTRODUCTION R.E. Tribble

  9. PARC Periodical | Volume 7, Issue 2 | Photosynthetic Antenna Research

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    CenterA> 2 December 7, 2015 PARC Periodical | Volume 7, Issue 2 VIEW ARTICLE HERE

  10. 4362 | OSTI, US Dept of Energy Office of Scientific and Technical

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  12. High-pressure crystallography and compression behavior of the alkali-scandium-germanate end-members LiScGe{sub 2}O{sub 6} and NaScGe{sub 2}O{sub 6}

    SciTech Connect

    Hofer, Gregor; Redhammer, Günther; Miletich, Ronald

    2015-09-15

    Synthetic single-crystal samples of the monoclinic pyroxene-type compounds LiScGe{sub 2}O{sub 6} and NaScGe{sub 2}O{sub 6} have been investigated by means of in-situ high-pressure Raman spectroscopy and X-ray diffraction techniques. Crystal-structure investigations at hydrostatic high-pressure conditions were carried out in addition to 10{sup −4} GPa measurements using the diamond-anvil cell technique up to ∼9.5 GPa. Both samples, LiScGe{sub 2}O{sub 6} (space group P2{sub 1}/c, a=9.9999(8) Å, b=9.1040(2) Å, c=5.4610(2) Å, β=109.240(2)° at 10{sup −4} GPa) and NaScGe{sub 2}O{sub 6} (space group C2/c, a=10.1678(5) Å, b=9.1583(5) Å, c=5.5672(3) Å, β=107.257(3)° at 10{sup −4} GPa), did not undergo any compression-induced change of symmetry as confirmed by single-crystal diffraction patterns. Series of high-pressure Raman spectra confirm the absence of any symmetry-related structural phase transition with band positions shifting in a smooth fashion on increasing pressure. High-precision lattice parameters, as determined from X-ray diffraction profile analyzes, were used to monitor both the compressibilities of lattice directions and the evolution of the unit-cell volume with pressure. The experimental data was fitted using a third-order Birch–Murnaghan equation-of-state approach and parameterized fits yield V{sub 0}=469.60(11) Å{sup 3}, K{sub 0}=85.6(1.3) GPa and K′=5.9(4) for LiScGe{sub 2}O{sub 6} and V{sub 0}=495.95(19) Å{sup 3}, K{sub 0}=79(3) GPa and K′=3.9(1.1) for NaScGe{sub 2}O{sub 6}. The systematic comparison of volume properties and compression behavior shows that both pyroxene-type compounds follow established trend lines with similar slopes in comparing volumes versus bulk moduli, and confirm that the position of trend lines in this systematics describing variations with M1 critically depend on the type of M2 and T cations, independent on the space-group symmetry. - Graphical abstract: Polyhedral model of the LiScGe{sub 2}O{sub 6

  13. Cation–cation interactions and cation exchange in a series of isostructural framework uranyl tungstates

    SciTech Connect

    Balboni, Enrica; Burns, Peter C.

    2014-05-01

    The isotypical compounds (UO{sub 2}){sub 3}(WO{sub 6})(H{sub 2}O){sub 5} (1), Ag(UO{sub 2}){sub 3}(WO{sub 6})(OH)(H{sub 2}O){sub 3} (2), K(UO{sub 2}){sub 3}(WO{sub 6})OH(H{sub 2}O){sub 4} (3), Rb(UO{sub 2}){sub 3}(WO{sub 6})(OH)(H{sub 2}O){sub 3.5} (4), and Cs(UO{sub 2}){sub 3}(WO{sub 6})OH(H{sub 2}O){sub 3} (5) were synthesized, characterized, and their structures determined. Each crystallizes in space group Cc. (1): a=12.979 (3), b=10.238 (2), c=11.302 (2), β=102.044 (2); (2): a=13.148 (2), b=9.520 (1), c=11.083 (2), β=101.568 (2); (3): a=13.111 (8), b=9.930 (6), c=11.242 (7), β=101.024 (7); (4): a=12.940 (2), b=10.231 (2), c=11.259(2), β=102.205 (2); (5): a=12.983 (3), b=10.191 (3), c=11.263 (4), β=101.661 (4). Compounds 1–5 are a framework of uranyl and tungsten polyhedra containing cation–cation interactions. The framework has three symmetrically distinct U(VI) cations, one tungsten, sixteen to eighteen oxygen atoms, and in 2–5, one monovalent cation. Each atom occupies a general position. Each U(VI) cation is present as a typical (UO{sub 2}){sup 2+} uranyl ion in an overall pentagonal bipyramidal coordination environment. Each pentagonal bipyramid shares two equatorial edges with two other pentagonal bipyramids, forming a trimer. Trimers are connected into chains by edge-sharing with WO{sub 6} octahedra. Chains are linked through cation–cation interactions between two symmetrically independent uranyl ions. This yields a remarkably complex system of intersecting channels that extend along [0 0 1] and [−1 1 0]. The cation exchange properties of 2 and 3 were characterized at room temperature and at 140 °C. - Graphical abstract: Chains of uranium and tungsten polyhedra are connected into a three dimensional framework by cation–cation interactions occurring between two symmetrically independent uranyl pentagonal bipyramids. Monovalent cations present in channels within the structure can be exchanged by room temperature or mild hydrothermal

  14. Synthesis, crystal structure and magnetic characterization of metal(II) coordination polymers based on 2-carboxyethylphosphonic acid and 1,10-phenanthroline (metal=Cu, Co, Cd)

    SciTech Connect

    Fernandez-Zapico, Eva; Montejo-Bernardo, Jose Manuel; D'Vries, Richard; Garcia, Jose R.; Garcia-Granda, Santiago; Rodriguez Fernandez, Jesus; Pedro, Imanol de; Blanco, Jesus A.

    2011-12-15

    Three non-isostructural metal(II) coordination polymers (metal=copper, cobalt, cadmium) were synthesized under the same mild hydrothermal conditions (T=408 K) by mixture of the corresponding metal acetate with 2-carboxyethylphosphonic acid and 1,10-phenanthroline (1:1:1 M ratio) and their structures were determined by single-crystal X-ray diffraction. Cu{sub 2}(HO{sub 3}PCH{sub 2}CH{sub 2}COO){sub 2}(C{sub 12}H{sub 8}N{sub 2}){sub 2}(H{sub 2}O){sub 2} and Cd{sub 2}(HO{sub 3}PCH{sub 2}CH{sub 2}COO){sub 2}(C{sub 12}H{sub 8}N{sub 2}){sub 2} are triclinic (space group P-1) with a=7.908(5) A, b=10.373(5) A, c=11.515(5) A, {alpha}=111.683(5) Degree-Sign , {beta}=95.801(5) Degree-Sign , {gamma}=110.212(5) Degree-Sign (T=120 K), and a=8.162(5) A, b=9.500(5) A, c=11.148(5) A, {alpha}=102.623(5) Degree-Sign , {beta}=98.607(5) Degree-Sign , {gamma}=113.004(5) Degree-Sign (T=293 K), respectively. In contrast, [Co{sub 2}(HO{sub 3}PCH{sub 2}CH{sub 2}COO){sub 2}(C{sub 12}H{sub 8}N{sub 2}){sub 2}({mu}-OH{sub 2})](H{sub 2}O) is orthorhombic (space group Pbcn) with a=21.1057(2) A, b=9.8231(1) A, c=15.4251(1) A (T=120 K). For these three compounds, structural features, including H-bond network and the {pi}-{pi} stacking interactions, and thermal stability are reported and discussed. None of the materials present a long-range magnetic order in the range of temperatures investigated from 300 K down to 1.8 K. - Graphical abstract: In same synthetic conditions, both the chemical and structural features of three transition metal(II) coordination polymers based on 2-carboxyethylphosphonate and 1-10 Prime -phenanthroline are influenced by the metal cation characteristics, leading to non-homologous materials with different properties, which show the high chemical versatility of this interesting system. Highlights: Black-Right-Pointing-Pointer Non-isostructural metal coordination polymers were synthesized under mild hydrothermal conditions. Black-Right-Pointing-Pointer Ligand's flexibility

  15. A cesium copper vanadyl-diphosphate: Synthesis, crystal structure and physical properties

    SciTech Connect

    Shvanskaya, Larisa; Yakubovich, Olga; Bychkov, Andrey; Shcherbakov, Vasiliy; Golovanov, Alexey; Zvereva, Elena; Volkova, Olga; Vasiliev, Alexander

    2015-02-15

    A non-centrosymmetric orthorhombic diphosphate, Cs{sub 2}Cu{sub 1+x}(VO){sub 2−x}(P{sub 2}O{sub 7}){sub 2} (x=0.1) with a=13.7364(2) Å, b=9.2666(2) Å, c=11.5678(2) Å, Z=4, has been isolated. Its 3D framework is built from Cu atoms in square pyramidal and square planar coordination, VO{sub 5} tetragonal pyramids and P{sub 2}O{sub 7} diphosphate groups, sharing vertices. Large channels are fulfilled by cesium atoms. The ESR study reveals a similarity in behaviour of two paramagnetic (Cu and V) subsystems. The temperature dependences of the ESR linewidth and static magnetic susceptibility data present evidences for a cluster type magnetic ordering in the title compound at T⁎=22 K. The weakness of the relevant anomalies reflects presumably obvious Cu{sup 2+} ions and (VO){sup 2+} units disorder in the system. It is supposed that the charge and geometry of the framework are controlled by the Cu{sup 2+}/(VO){sup 2+} ratio; its variation may lead to a design of new materials. - Graphical abstract: A microporous 3D anionic framework of the first copper vanadium-diphosphate Cs{sub 2}Cu{sub 1.1}(VO){sub 1.9}(P{sub 2}O{sub 7}){sub 2}. The similarity in behaviour of Cu and V paramagnetic subsystems revealed by ESR study. - Highlights: • The first copper vanadium-diphosphate Cs{sub 2}Cu{sub 1.1}(VO){sub 1.9}(P{sub 2}O{sub 7}){sub 2} is reported. • A 3D anionic framework is characterized by disorder in distribution of Cu and V atoms. • Structural relations with topologically similar compounds are discussed. • The similarity in behaviour of Cu and V paramagnetic subsystems has been revealed.

  16. Synthesis and structures of new uranyl malonate complexes with carbamide derivatives

    SciTech Connect

    Serezhkina, L. B.; Grigor’ev, M. S.; Medvedkov, Ya. A.; Serezhkin, V. N.

    2015-09-15

    Crystals of new malonate-containing uranyl complexes [UO{sub 2}(C{sub 3}H{sub 2}O{sub 4})(Imon)(H{sub 2}O)] (I) and [UO{sub 2}(C{sub 3}H{sub 2}O4)(Meur){sub 3}] (II), where Imon is imidazolidin-2-one (ethylenecarbamide) and Meur is methyl-carbamide, have been synthesized and studied by X-ray diffraction. Both compounds crystallize in the monoclinic system with the following unit-cell parameters (at 100 K): a = 11.1147(10) Å, b = 6.9900(6) Å, c = 14.4934(12) Å, β = 92.042(2)°, V = 1125.30(17) Å{sup 3}, sp. gr. P2{sub 1}/n, Z = 4, R{sub 1} = 0.0398 (I); a = 16.6613(5) Å, b = 9.5635(3) Å, c = 22.9773(6) Å, β = 103.669(2)°, V = 3557.51(18) Å{sup 3}, sp. gr. C2/c, Z = 8, R{sub 1} = 0.0207 (II). The crystals are composed of electroneutral chains [UO{sub 2}(C{sub 3}H{sub 2}O{sub 4})(Imon)(H{sub 2}O)] and mononuclear groups [UO{sub 2}(C{sub 3}H{sub 2}O{sub 4})(Meur){sub 3}] as the structural units belonging to the crystal-chemical groups AT{sup 11}M{sub 2}{sup 1} and AB{sup 01}M{sub 3}{sup 1} (A =UO{sub 2}{sup 2+}, T{sup 11} and B{sup 01} = C{sub 3}H{sub 2}, M{sup 1} = Imon, H{sub 2}O, or Meur), respectively, of uranyl complexes. The packing modes of the uranyl-containing complexes were analyzed by the method of molecular Voronoi—Dirichlet polyhedra.

  17. The black hole binary V4641 Sagitarii: Activity in quiescence and improved mass determinations

    SciTech Connect

    MacDonald, Rachel K. D.; Bailyn, Charles D.; Buxton, Michelle; Cantrell, Andrew G.; Chatterjee, Ritaban; Kennedy-Shaffer, Ross; Orosz, Jerome A.; Markwardt, Craig B.; Swank, Jean H.

    2014-03-20

    We examine ?10 yr of photometric data and find that the black hole X-ray binary V4641 Sgr has two optical states, passive and active, during X-ray quiescence. The passive state is dominated by ellipsoidal variations and is stable in the shape and variability of the light curve. The active state is brighter and more variable. Emission during the active state varies over the course of the orbital period and is redder than the companion star. These optical/infrared states last for weeks or months. V4641 Sgr spends approximately 85% of X-ray quiescence in the passive state and 15% in the active. We analyze passive colors and spectroscopy of V4641 Sgr and show that they are consistent with a reddened B9III star (with E(B V) = 0.37 0.19) with little or no contribution from the accretion disk. We use X-ray observations with an updated ephemeris to place an upper limit on the duration of an X-ray eclipse of <8.3 in phase (?1.6 hr). High-resolution spectroscopy yields a greatly improved measurement of the rotational velocity of the companion star of V {sub rot}sin i = 100.9 0.8 km s{sup 1}. We fit ellipsoidal models to the passive state data and find an inclination angle of i = 72.3 4.1, a mass ratio of Q = 2.2 0.2, and component masses for the system of M {sub BH} = 6.4 0.6 M {sub ?} and M {sub 2} = 2.9 0.4 M {sub ?}. Using these values we calculate an updated distance to V4641 Sgr of 6.2 0.7 kpc.

  18. Structure determination of {alpha}-La{sub 6}W{sub 2}O{sub 15}

    SciTech Connect

    Chambrier, M-H.; Ibberson, R.M.; Goutenoire, F.

    2010-06-15

    The structure of the high temperature alpha form of La{sub 6}W{sub 2}O{sub 15} has been determined ab-initio from high temperature laboratory X-ray and neutron time-of-flight data. This tungstate crystallizes in the non-centrosymmetric orthorhombic space group (No. 20) C222{sub 1}, with Z=2, a=12.6250(2) A, b=9.1875(1) A, c=5.9688(1) A. The structure comprises [O{sub 2}La{sub 3}] infinite ribbons and is better described by the structural formula [O{sub 2}La{sub 3}]{sub 2}[WO{sub 5.5}]{sub 2}. Using this description we can understand the strong structural similarity of the present compound with compounds of the general composition BiM{sub 2}AO{sub 6} (M=Cu, Mg, Zn, Mn, Cd, Ca, Pb; A=P, As, V) described as [O{sub 2}M{sub 2}Bi][AO{sub 4}]. The [WO{sub 5.5}] entity implies oxygen disorder in the material. - Graphical abstract: Projection of the polyhedra around the tungsten atom. Atoms labelled in grey are occupied at 50%. Short oxygen-oxygen distances are marked. The polyhedra represents WO{sub 5.5} that is related to the structural unit W{sub 2}O{sub 11} unit. Alpha-La{sub 6}W{sub 2}O{sub 15} could be described as [O{sub 2}La{sub 3}]{sub 2}[WO{sub 5.5}]{sub 2}.

  19. Structural and degradation studies of a biocompatible Zn-L-tartrate metal–organic framework

    SciTech Connect

    Palǒić, Ana; Puškarić, Andreas; Mazaj, Matjaž; Žunkoviǒ, Emanuela; Logar, Nataša Zabukovec; Bronić, Josip

    2015-05-15

    New anhydrous Zn-L-tratrate was synthesized under hydrothermal conditions. Crystal structure which was solved by powder X-ray diffraction data from monoclinic unit cell (I{sub 2}, a=11.7557(1), b=9.0319(1), c=5.0750(1), β=91.920(1)) consists of the three-dimensional framework where each Zn atom coordinates four tartrate ligands in distorted octahedral geometry. Due to its biocompatible components, the degradation of material was studied in aqueous media under different pH values (pH=1–7) and in the simulated body fluid (pH=7.4) performed by the measurement of the released Zn{sup 2+} concentrations at thermostatic conditions (37 °C). The results showed that under acidic conditions approximately 60% of Zn{sup 2+} is released from the investigated material after 6 h of degradation process. With the increase of the solution’s pH, the rate of degradation gradually decreases. XRD and SEM analyses indicate that in aqueous media the compound slowly disintegrates and does not undergo hydrolysis process regardless of pH. Biocompatibility of the compound and its controllable rate of degradation even in acid conditions open its potential use in the fields of bio-applications. - Graphical abstract: The degradation kinetics of Zn-L-tar MOF material in aqueous media at different pH conditions. - Highlights: • Anhydrous chiral Zn-L-tratrate was synthesized under hydrothermal conditions. • 3-D framework consists of Zn atoms, each chelating four tartrate ligands. • Degradation of material was studied in aqueous media at different pH values. • The compound disintegrates in controllable manner in aqueous solutions. • The rate compound degradation is increasing with increased acidity of solution.

  20. Monte Carlo simulations of adult and pediatric computed tomography exams: Validation studies of organ doses with physical phantoms

    SciTech Connect

    Long, Daniel J.; Lee, Choonsik; Tien, Christopher; Fisher, Ryan; Hoerner, Matthew R.; Hintenlang, David; Bolch, Wesley E.

    2013-01-15

    Purpose: To validate the accuracy of a Monte Carlo source model of the Siemens SOMATOM Sensation 16 CT scanner using organ doses measured in physical anthropomorphic phantoms. Methods: The x-ray output of the Siemens SOMATOM Sensation 16 multidetector CT scanner was simulated within the Monte Carlo radiation transport code, MCNPX version 2.6. The resulting source model was able to perform various simulated axial and helical computed tomographic (CT) scans of varying scan parameters, including beam energy, filtration, pitch, and beam collimation. Two custom-built anthropomorphic phantoms were used to take dose measurements on the CT scanner: an adult male and a 9-month-old. The adult male is a physical replica of University of Florida reference adult male hybrid computational phantom, while the 9-month-old is a replica of University of Florida Series B 9-month-old voxel computational phantom. Each phantom underwent a series of axial and helical CT scans, during which organ doses were measured using fiber-optic coupled plastic scintillator dosimeters developed at University of Florida. The physical setup was reproduced and simulated in MCNPX using the CT source model and the computational phantoms upon which the anthropomorphic phantoms were constructed. Average organ doses were then calculated based upon these MCNPX results. Results: For all CT scans, good agreement was seen between measured and simulated organ doses. For the adult male, the percent differences were within 16% for axial scans, and within 18% for helical scans. For the 9-month-old, the percent differences were all within 15% for both the axial and helical scans. These results are comparable to previously published validation studies using GE scanners and commercially available anthropomorphic phantoms. Conclusions: Overall results of this study show that the Monte Carlo source model can be used to accurately and reliably calculate organ doses for patients undergoing a variety of axial or helical CT

  1. The ? Andromedae system: new constraints on the companion mass, system age, and further multiplicity

    SciTech Connect

    Hinkley, Sasha; David, Trevor; Hillenbrand, Lynne A.; Pueyo, Laurent; Faherty, Jacqueline K.; Oppenheimer, Ben R.; Brenner, Douglas; Veicht, Aaron; Nilsson, Ricky; Mamajek, Eric E.; Kraus, Adam L.; Rice, Emily L.; Ireland, Michael J.; Vasisht, Gautam; Cady, Eric; Roberts, Jennifer E.; Zimmerman, Neil; Parry, Ian R.; Beichman, Charles; Dekany, Richard; and others

    2013-12-20

    ? Andromedae is a B9IVn star at 52 pc for which a faint substellar companion separated by 55 2 AU was recently announced. In this work, we present the first spectrum of the companion, '? And B,' using the Project 1640 high-contrast imaging platform. Comparison of our low-resolution YJH-band spectra to empirical brown dwarf spectra suggests an early-L spectral type. Fitting synthetic spectra from PHOENIX model atmospheres to our observed spectrum allows us to constrain the effective temperature to ?2000 K as well as place constraints on the companion surface gravity. Further, we use previously reported log(g) and T {sub eff} measurements of the host star to argue that the ? And system has an isochronal age of 220 100 Myr, older than the 30 Myr age reported previously. This interpretation of an older age is corroborated by the photometric properties of ? And B, which appear to be marginally inconsistent with other 10-100 Myr low-gravity L-dwarfs for the spectral type range we derive. In addition, we use Keck aperture masking interferometry combined with published radial velocity measurements to rule out the existence of any tight stellar companions to ? And A that might be responsible for the system's overluminosity. Further, we show that luminosity enhancements due to a nearly 'pole-on' viewing angle coupled with extremely rapid rotation is unlikely. ? And A is thus consistent with its slightly evolved luminosity class (IV), and we propose here that ? And, with a revised age of 220 100 Myr, is an interloper to the 30 Myr Columba association with which it was previously associated. The photometric and spectroscopic evidence for ? And B combined with our reassessment of the system age implies a substellar companion mass of 50{sub ?13}{sup +16} M {sub Jup}, consistent with a brown dwarf rather than a planetary-mass companion.

  2. Supramolecular assembly of borate with quaternary ammonium: Crystal structure and tunable luminescent properties

    SciTech Connect

    Liang, Jie; Wang, Yong-gang; Wang, Ying-xia; Liao, Fu-hui; Lin, Jian-hua

    2013-04-15

    A new borate [C{sub 6}H{sub 16}N][B{sub 5}O{sub 6}(OH){sub 4}] (1) is synthesized hydrothermally by the reaction of isopropyltrimethylammonium hydroxide with boric acid. It crystallizes in the triclinic space group P-1 with the parameters a=9.1578(10) , b=9.372(9) , c=9.9812(10) , ?=66.508(2), ?=74.751(2), ?=81.893(2). The [B{sub 5}O{sub 6}(OH){sub 4}]{sup ?} anions are interlinked via hydrogen bonding forming a 3D supramolecular network containing large cavities, where reside the (CH{sub 3}){sub 3}(i-C{sub 3}H{sub 7}) N{sup +} cations. This borate shows tunable luminescent properties with temperature, heating-treatment, exciting-light, and solvents. The fluorescent intensity of 1 enhances 6-fold with decreasing the temperature from 25 K to 78 K. By treatment under different temperatures, the luminescence of 1 shifted from blue to white and the sample treated at 230 C emits bright white light to naked eyes. The hybrid borate can disperse in different solvents, and shows a red-shifted and intense emission in polar solvents. - Graphical abstract: The new quaternary ammonium borate [C{sub 6}H{sub 17}N][B{sub 5}O{sub 6}(OH){sub 4}] contains a 3D supramolecular network formed by hydrogen bond linked [B{sub 5}O{sub 6}(OH){sub 4}]{sup ?} anions and shows tunable luminescent properties with temperature, excitation light, and solvents. Highlights: ? A novel quaternary ammonium borate was synthesized. ? It possesses a supramolecular network fomed by H-bonded [B{sub 5}O{sub 6}(OH){sub 4}]{sup ?} anions. ? This borate shows tunable luminescent properties with temperature, heating treatment, excitation light, and solvents.

  3. Crystal structure, electronic structure and physical properties of the new low-valent thallium silicon telluride Tl{sub 6}Si{sub 2}Te{sub 6} in comparison to Tl{sub 6}Ge{sub 2}Te{sub 6}

    SciTech Connect

    Assoud, Abdeljalil [Department of Chemistry, University of Waterloo, Waterloo, Ont., N2L 3G1 (Canada); Soheilnia, Navid [Department of Chemistry, University of Waterloo, Waterloo, Ont., N2L 3G1 (Canada); Kleinke, Holger [Department of Chemistry, University of Waterloo, Waterloo, Ont., N2L 3G1 (Canada)]. E-mail: kleinke@uwaterloo.ca

    2006-08-15

    The title compounds were prepared from the elements in the stoichiometric ratio at 800deg. C under exclusion of air. Tl{sub 6}Si{sub 2}Te{sub 6} crystallizes in the space group P1-bar , isostructural with Tl{sub 6}Ge{sub 2}Te{sub 6}, with a=9.4235(6)A, b=9.6606(7)A, c=10.3889(7)A, {alpha}=89.158(2){sup o}, {beta}=96.544(2){sup o}, {gamma}=100.685(2){sup o}, V=923.3(1)A{sup 3} (Z=2). Its structure is composed of dimeric [Si{sub 2}Te{sub 6}]{sup 6-} units with a Si-Si single bond, while the Tl atoms are irregularly coordinated by five to six Te atoms. Numerous weakly bonding Tl-Tl contacts exist. Both title compounds are black semiconductors with small band gaps, calculated to be 0.9eV for Tl{sub 6}Si{sub 2}Te{sub 6} and 0.5eV for Tl{sub 6}Ge{sub 2}Te{sub 6}. The Seebeck coefficients are +65{mu}VK{sup -1} in case of Tl{sub 6}Si{sub 2}Te{sub 6} and +150{mu}VK{sup -1} in case of Tl{sub 6}Ge{sub 2}Te{sub 6} at 300K, and the electrical conductivities are 5.5 and 3{omega}{sup -1}cm{sup -1}, respectively.

  4. Soil Series

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    0 Soil Series and Phase D Bae D Da rn Fa D FuB D LuB ~ 09 _ Pk _ TrB _ TuE DUo _ vee D VeD o o * '='1 ~*.1* **..oC'" ~) OJ rI.:) o.Q 600 1200 Soils n O~:-* ilL 10., 1800 O~ c? ~ 0 ~ O~ Community _ Loblolly Pine D Mixed Pine/Hardwood o Upland Hardwood D Bottomland Hardwood _ Water a Bottomland HardwoodlPine o Monitoringwells .._.' *** TES Plants (1) :l!.-.~I ... 0 TES Plants (2) :='.Y-r::.: ~ Streams ){" ~ Rails . :1'\;:'/ Utility ROW ""If WasteSItes III NPDES outfalls CZI

  5. Doctor Hugh Elliot Montgomery Thomas Jefferson National Accelerator Facility

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    WO R K I N G PA P E R S E R I E S N O 1 3 4 6 / J U N E 2 011 by Marco J. Lombardi and Ine Van Robays DO FINANCIAL INVESTORS DESTABILIZE THE OIL PRICE? WO R K I N G PA P E R S E R I E S N O 13 4 6 / J U N E 2011 DO FINANCIAL INVESTORS DESTABILIZE THE OIL PRICE? 1 by Marco J. Lombardi 2 and Ine Van Robays 3 1 This paper was initiated when the second author was with the European Central Bank. Without implicating, we would like to thank Bahattin Büyüksahin, Gert Peersman, Jaap Bos, Julio

  6. Corrective Action Investigation Plan for the Central Nevada Test Area Subsurface Sites (CAU No. 443)

    Office of Legacy Management (LM)

    O E /N V- - 48 3- R E V 1 U.S. Department of Energy Nevada Operations Office E nv i r onm ent al R es t or at i on D i v i s i on N ev ada E nv i r onm ent al R es t or at i on Pr oj ect Cor r ect i v e Act i on Inv es t i gat i on Pl an f or t he Cent r al N ev ada Tes t Ar ea S u bs u r f ace S i t es ( Cor r ect i v e Act i on U ni t N o. 443) Cont r ol l ed Copy N o. : R ev i s i on N o. : 1 Febr u ar y 1999 Approved for public release; further dissemination unlimited. Available to the

  7. Near-edge X-ray Absorption Fine Structure Study of Disordering in Gd₂(Ti1-yZry)₂O₇ Pyrochlores

    SciTech Connect

    Nachimuthu, Ponnusamy; Thevuthasan, Suntharampillai; Adams, Evan M.; Weber, William J.; Begg, Bruce D.; Mun, B S.; Shuh, David K.; Lindle, Dennis W.; Gullikson, Eric M.; Perera, Rupert C.

    2005-02-03

    Disorder in Gd₂(Ti1-yZry)₂O₇ pyrochlores, for y=0.0-1.0, is investigated by Ti 2p and O 1s near-edge x-ray absorption fine structure spectroscopy. Ti⁴⁺ ions are found to occupy octahedral sites in Gd₂Ti₂O₇ with a tetragonal distortion induced by vacant oxygen sites. As Zr substitutes for Ti, the tetragonal distortion decreases, and Zr coordination increases from 6 to 8. The migration of oxygen ions from 48f or 8b sites to vacant 8a sites compensate for the increased Zr coordination, thereby reducing the number of vacant 8a sites, which further reduces the tetragonal distortion and introduces more disorder around Ti. This is evidence for simultaneous cation disorder with anion migration.

  8. Spectroscopic evidence for Ag(III) in highly oxidized silver films by x-ray photoelectron spectroscopy

    SciTech Connect

    Kaspar, Tiffany C.; Droubay, Timothy C.; Chambers, Scott A.; Bagus, Paul S.

    2010-12-16

    In situ x-ray photoelectron spectroscopy (XPS) was utilized to identify the chemical state of silver in a range of silver oxide thin films obtained by co-deposition of silver and atomic oxygen. A highly oxidized silver species was observed at an unexpectedly low Ag 3d5/2 binding energy (BE) of 366.8 eV with an associated broad satellite at 368.2 eV; this species was assigned as Ag(III). It was found to be highly unstable in vacuum, but could be regenerated by further exposure to atomic oxygen. Both BE shifts and intensity changes of the O 1s peak were found to correlate with changes in the silver oxidation state. Theoretical calculations of the expected XPS of high spin Ag(III) provide insight into the significance of satellite structure and shake features in the Ag 3d spectra.

  9. Effective interactions and long distance symmetries in the Nucleon-Nucleon system

    SciTech Connect

    Ruiz Arriola, E.; Calle Cordon, A.

    2010-12-28

    Effective interactions, when defined in a coarse grained sense, such as V{sub lowk} at the scale {Lambda} = 450 MeV, display a remarkable symmetry pattern. Serber symmetry works with high accuracy for spin triplet states. Wigner SU(4) spin-isospin symmetry with nucleons in the fundamental representation works only for even partial waves exactly as predicted by large N{sub c} limit of QCD with accuracy O(1/N{sub c}{sup 2}). This suggests tailoring the very definition of effective interactions to provide a best possible fulfillment of long distance symmetries. With the V{sub lowk} definition Wigner symmetry requires that chiral potentials have low cut-offs {Lambda}{sub {chi}{approx}4}50 MeV. Perturbative saturation of exchanged heavy mesonic resonances does not faithfully display the Serber symmetry pattern.

  10. Richard Gerber! Deputy Group Lead
 NERSC User Services

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Deputy Group Lead
 NERSC User Services Introduction to High Performance Parallel I/O --- 1 --- August 6 , 2 013 Some s lides f rom K a0e A ntypas Images f rom D avid R andall, P aola C essi, J ohn B ell, T S cheibe I/O Needs Getting Bigger All the Time * I/O n eeds g rowing e ach year i n s cien;fic community * I/O i s a b o?leneck f or many * Data s izes g rowing w ith system memory * For l arge u sers I /O parallelism i s m andatory * Titan h as 1 0 P B o f d isk and Blue Waters 22 PB!!!

  11. Probing the photon polarization in B → K*γ with conversion

    DOE PAGES [OSTI]

    Bishara, Fady; Robinson, Dean J.

    2015-09-02

    We re-examine the possibility to measure the photon polarization in B → K*γ decays, via decays in which the photon subsequently undergoes nuclear conversion to a lepton pair. We obtain compact expressions for the full decay-plus-conversion amplitude. With these results we show that interference between the B → (K* → Kπ)γ decay and the γN → ℓ+ ℓ– N conversion permits both the ratio and relative weak phase between the left- and right-handed photon amplitudes to be probed by an angular observable, constructed from the final state dilepton, kaon and pion kinematic configuration. Exploiting this technique will be experimentally challenging.more » However, we present special kinematic cuts that enhance the statistical power of this technique by an O(1) factor. Furthermore, we verify this effect and extract pertinent angular kinematic distributions with dedicated numerical simulations.« less

  12. First principles simulation of a superionic phase of hydrogen fluoride (HF) at high pressures and temperatures

    SciTech Connect

    Goldman, N; Fried, L E

    2006-04-10

    The authors have conducted Ab initio molecular dynamics simulations of hydrogen fluoride (HF) at pressures of 5-66 GPa along the 900 K isotherm. They predict a superionic phase at 33 GPa, where the fluorine atoms are fixed in a bcc lattice while the hydrogen atoms diffuse rapidly with a diffusion constant of between 2 x 10{sup -5} and 5 x 10{sup -5} cm{sup 2}/s. They find that a transformation from asymmetric to symmetric hydrogen bonding occurs in HF at 66 GPa and 900 K. With superionic HF they have discovered a model system where symmetric hydrogen bonding occurs at experimentally achievable conditions. Given previous results on superionic H{sub 2}O[1,2,3] and NH{sub 3}[1], they conclude that high P,T superionic phases of electronegative element hydrides could be common.

  13. APS2013_Koniges.pptx

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Number o f C ores Speedup The P IC c ode W arp s cales w ell o n H opper a nd E dison with E dison b eing ~ 2X f aster t han H opper Warp h as b een s hown t o scale t o 1 28k o n H opper Plasma P hysics S imulaAons o n N ext G eneraAon P laEorms A. K oniges, R . G erber, D . S kinner, Y . Y ao, Y . H e, D . G rote, J ---L V ay, H . K aiser, a nd T . S terling APS D ivision o f P lasma P hysics A nnual M eeOng, D enver, C O, N ovember 2 013 --- M ore t han 5 00 c ores --- O pAmized f or S IMD (

  14. Spectral studies of copper(II) complexes of 6-(3-thienyl) pyridine-2-thiosemicarbazone

    SciTech Connect

    Mahjoub, Omima Abdalla; Farina, Yang

    2014-09-03

    Two novel copper(II) complexes [Cu(HL)Cl]Cl.H{sub 2}O (1) and [Cu(L)NO{sub 3}]Ðœ‡H{sub 2}O (2) of the three NNS donor thiosemicarbazone ligand 6-(3-thienyl) pyridine-2-thiosemicarbazone have been synthesized. The ligand and its copper(II) complexes were characterized by elemental analysis (C, H, N, and S), FT-IR, UV-visible, magnetic susceptibility and molar conductance. The thiosemicarbazone is present either as the thione form in complex 1 or as thiol form in complex 2 and is coordinated to copper(II) atom via the pyridine nitrogen atom, the azomethine nitrogen atom and the sulfur atom. The physicochemical and spectral data suggest square planar geometry for copper(II) atoms.

  15. Higher order statistics of curvature perturbations in IFF model and its Planck constraints

    SciTech Connect

    Fujita, Tomohiro; Yokoyama, Shuichiro E-mail: shu@icrr.u-tokyo.ac.jp

    2013-09-01

    We compute the power spectrum P{sub ζ} and non-linear parameters f{sub NL} and τ{sub NL} of the curvature perturbation induced during inflation by the electromagnetic fields in the kinetic coupling model (IFF model). By using the observational result of P{sub ζ},f{sub NL} and τ{sub NL} reported by the Planck collaboration, we study the constraint on the model comprehensively. Interestingly, if the single slow-rolling inflaton is responsible for the observed P{sub ζ}, the constraint from τ{sub NL} is most stringent. We also find a general relationship between f{sub NL} and τ{sub NL} generated in this model. Even if f{sub NL} ∼ O(1), a detectable τ{sub NL} can be produced.

  16. Fabrication of ion conductive tin oxide-phosphate amorphous thin films by atomic layer deposition

    SciTech Connect

    Park, Suk Won; Jang, Dong Young; Kim, Jun Woo; Shim, Joon Hyung

    2015-07-15

    This work reports the atomic layer deposition (ALD) of tin oxide-phosphate films using tetrakis(dimethylamino)tin and trimethyl phosphate as precursors. The growth rates were 1.23–1.84 Å/cycle depending upon the deposition temperature and precursor combination. The ionic conductivity of the ALD tin oxide-phosphate films was evaluated by cross-plane impedance measurements in the temperature range of 50–300 °C under atmospheric air, with the highest conductivity measured as 1.92 × 10{sup −5} S cm{sup −1} at 300 °C. Furthermore, high-resolution x-ray photoelectron spectroscopy exhibited two O1s peaks that were classified as two subpeaks of hydroxyl ions and oxygen ions, revealing that the quantity of hydroxyl ions in the ALD tin oxide-phosphate films influences their ionic conductivity.

  17. Preoperational test report, primary ventilation condenser cooling system

    SciTech Connect

    Clifton, F.T.

    1997-10-29

    This represents the preoperational test report for the Primary Ventilation Condenser Cooling System, Project W-030. Project W-030 provides a ventilation upgrade for the four Aging Waste Facility tanks. The system uses a closed chilled water piping loop to provide offgas effluent cooling for tanks AY101, AY102, AZ1O1, AZ102; the offgas is cooled from a nominal 100 F to 40 F. Resulting condensation removes tritiated vapor from the exhaust stack stream. The piping system includes a package outdoor air-cooled water chiller with parallel redundant circulating pumps; the condenser coil is located inside a shielded ventilation equipment cell. The tests verify correct system operation and correct indications displayed by the central Monitor and Control System.

  18. Engineering assessment and certification of integrity of the 141-R1U1 tank system

    SciTech Connect

    Graser, D.A. )

    1990-09-01

    This Engineering Assessment and Certification of Integrity of retention tank 141-R1U1 is in response to the requirements of 40 CFR 265.191 for an existing tank system that stores hazardous waste and does not have secondary containment. This technical assessment has been reviewed by an independent, qualified, California registered professional engineer, who has certified the tank system to be adequately designed and compatible with the stored waste so that it will not collapse rupture, or fail. This document will be kept on file at the facility. Onground retention tanks 141-R1O1 and 141-R1O2, which are also part of the 141-R1 retention tank system, do not have secondary containment; consequently, certification documentation for these tanks is not included in this assessment. A discussion of the onground tanks, however, is included in this report to provide a complete description of the 141-R1 retention tank system. 8 refs., 7 figs.

  19. Experimental and ab initio study of the photofragmentation of DNA and RNA sugars

    SciTech Connect

    Ha, D. T.; Huels, M. A.; Huttula, M.; Urpelainen, S.; Kukk, E.

    2011-09-15

    The photoelectron-photoion-photoion coincidence method is used to measure the photodissociation of doubly charged D-ribose (C{sub 5}H{sub 10}O{sub 5}), the RNA sugar molecules, and 2-deoxy-D-ribose (C{sub 5}H{sub 10}O{sub 4}), the DNA sugar molecules, following normal Auger decay after initial C 1s and O 1s core ionizations. The fragment identification is facilitated by measuring isotopically labeled D-ribose, such as D-ribose deuterated at C(1), and with {sup 13}C at the C(5) position. Ab initio quantum chemistry calculations are used to gain further insight into the abundant appearance of the CHO{sup +} fragment.

  20. A computational method for solving stochastic Itô–Volterra integral equations based on stochastic operational matrix for generalized hat basis functions

    SciTech Connect

    Heydari, M.H.; Hooshmandasl, M.R.; Maalek Ghaini, F.M.; Cattani, C.

    2014-08-01

    In this paper, a new computational method based on the generalized hat basis functions is proposed for solving stochastic Itô–Volterra integral equations. In this way, a new stochastic operational matrix for generalized hat functions on the finite interval [0,T] is obtained. By using these basis functions and their stochastic operational matrix, such problems can be transformed into linear lower triangular systems of algebraic equations which can be directly solved by forward substitution. Also, the rate of convergence of the proposed method is considered and it has been shown that it is O(1/(n{sup 2}) ). Further, in order to show the accuracy and reliability of the proposed method, the new approach is compared with the block pulse functions method by some examples. The obtained results reveal that the proposed method is more accurate and efficient in comparison with the block pule functions method.

  1. MiniBooNE NC 1π0 Cross Section Data Release

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    νμ and ν̅μ induced neutral current single π0 production cross sections on mineral oil at Eν~O(1 GeV)", arXiv:0911.2063 [hep-ex], Phys. Rev. D81, 013005 (2010) The following MiniBooNE information from the 2009 NC 1π0 cross section paper is made available to the public: Neutrino Mode Running νμ NC 1π0 pπ0 Differential Cross Section 1D array of bin boundaries partitioning the momentum of the π0 1D array of the value of the differential cross section in each bin in units of 10-40

  2. Section 80

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ' 1 R 2 m E 0 (8)T 8,µ 0 d8 T(8,µ 0 ) ' T Rayleigh (8,µ 0 )T gas (8,µ 0 )T aerosol (8,µ 0 ), ' exp & mJ 8 Rayleigh % mJ 8 gas % mJ 8 aerosol E 0 (8) T(8,µ 0 ) 2 0 m ' 1 / µ o ' 1 / cos 2 0 J i Session Papers 351 (1) (2) Prediction and Measurement of Direct-Normal Solar Irradiance: A Closure Experiment R. N. Halthore and S. E. Schwartz Brookhaven National Laboratory Upton, New York J. J. Michalsky State University of New York at Albany, New York G. P. Anderson Hanscomb Air Force Base,

  3. Appendix MgO: Magnesium Oxide as an Engineered Barrier

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    MgO-2014 Magnesium Oxide as an Engineered Barrier United States Department of Energy Waste Isolation Pilot Plant Carlsbad Field Office Carlsbad, New Mexico Compliance Recertification Application 2014 Appendix MgO-2014 Table of Contents MgO-1.0 Introduction MgO-2.0 Description of the Engineered Barrier System MgO-2.1 Emplacement of MgO MgO-2.1.1 Supersacks MgO-2.1.2 Minisacks MgO-2.1.3 Use of Racks to Emplace Additional MgO MgO-2.1.4 Changes since the CRA-2009 MgO-2.2 MgO Vendors MgO-3.0

  4. Use of incomplete energy recovery for the energy compression of large energy spread charged particle beams

    DOEpatents

    Douglas, David R.; Benson, Stephen V.

    2007-01-23

    A method of energy recovery for RF-base linear charged particle accelerators that allows energy recovery without large relative momentum spread of the particle beam involving first accelerating a waveform particle beam having a crest and a centroid with an injection energy E.sub.o with the centroid of the particle beam at a phase offset f.sub.o from the crest of the accelerating waveform to an energy E.sub.full and then recovering the beam energy centroid a phase f.sub.o+Df relative to the crest of the waveform particle beam such that (E.sub.full-E.sub.o)(1+cos(f.sub.o+Df))>dE/2 wherein dE=the full energy spread, dE/2=the full energy half spread and Df=the wave form phase distance.

  5. Molecular, crystal, and electronic structure of the cobalt(II) complex with 10-(2-benzothiazolylazo)-9-phenanthrol

    SciTech Connect

    Linko, R. V.; Sokol, V. I.; Polyanskaya, N. A.; Ryabov, M. A.; Strashnov, P. V.; Davydov, V. V.; Sergienko, V. S.

    2013-05-15

    The reaction of 10-(2-benzothiazolylazo)-9-phenanthrol (HL) with cobalt(II) acetate gives the coordination compound [CoL{sub 2}] {center_dot} CHCl{sub 3} (I). The molecular and crystal structure of I is determined by X-ray diffraction. The coordination polyhedron of the Co atom in complex I is an octahedron. The anion L acts as a tridentate chelating ligand and is coordinated to the Co atom through the phenanthrenequinone O1 atom and the benzothiazole N1 atom of the moieties L and the N3 atom of the azo group to form two five-membered metallocycles. The molecular and electronic structures of the compounds HL, L, and CoL{sub 2} are studied at the density functional theory level. The results of the quantum-chemical calculations are in good agreement with the values determined by X-ray diffraction.

  6. Chemical conversion coating for protecting magnesium alloys from corrosion

    DOEpatents

    Bhargava, Gaurang; Allen, Fred M.; Skandan, Ganesh; Hornish, Peter; Jain, Mohit

    2016-01-05

    A chromate-free, self-healing conversion coating solution for magnesium alloy substrates, composed of 10-20 wt. % Mg(NO.sub.3).sub.2.6H.sub.2O, 1-5 wt. % Al(NO.sub.3).sub.3.9H.sub.2O, and less than 1 wt. % of [V.sub.10O.sub.28].sup.6- or VO.sub.3.sup.- dissolved in water. The corrosion resistance offered by the resulting coating is in several hundreds of hours in salt-spray testing. This prolonged corrosion protection is attributed to the creation of a unique structure and morphology of the conversion coating that serves as a barrier coating with self-healing properties. Hydroxoaluminates form the backbone of the barrier protection offered while the magnesium hydroxide domains facilitate the "slow release" of vanadium compounds as self-healing moieties to defect sites, thus providing active corrosion protection.

  7. A magnesium-carboxylate framework showing luminescent sensing for CS{sub 2} and nitroaromatic compounds

    SciTech Connect

    Wu, Zhao-Feng; Tan, Bin; Feng, Mei-Ling; Du, Cheng-Feng; Huang, Xiao-Ying

    2015-03-15

    A magnesium metal-organic framework compound, namely [NH{sub 2}(CH{sub 3}){sub 2}][Mg{sub 3}(NDC){sub 2.5}(HCO{sub 2}){sub 2}(DMF){sub 0.75}(H{sub 2}O){sub 0.25}]·1.25DMF·0.75H{sub 2}O (1) (H{sub 2}NDC=1,4-naphthalene dicarboxylic acid, DMF=N,N′-dimethylformamide), has been synthesized in solvothermal conditions and structurally characterized. It features a three-dimensionally anionic framework with aligned channels parallel to the b-axis. Luminescent studies indicated that it showed significant luminescence quenching for carbon disulfide (CS{sub 2}) and nitrobenzene after being activated, at a content of only 3.0 and 0.1 vol% in DMF, respectively. In addition, the activated sample showed sensitive luminescence quenching for 1,3,5-trinitrophenol with a low concentration of 5×10{sup −5} mol/L. - Graphical abstract: Presented is a microporous 3D Mg-MOF, namely, [NH{sub 2}(CH{sub 3}){sub 2}][Mg{sub 3}(NDC){sub 2.5}(HCO{sub 2}){sub 2}(DMF){sub 0.75}(H{sub 2}O){sub 0.25}]·1.25DMF·0.75H{sub 2}O (1) (H{sub 2}NDC=1,4-naphthalene dicarboxylic acid) showing significant luminescence quenching for carbon disulfide and nitrobenzene. - Highlights: • A microporous 3D metal-organic framework based on Mg. • The compound shows significant luminescence quenching for CS{sub 2} and nitrobenzene after activated. • The compound shows sensitive luminescence quenching for 1,3,5-trinitrophenol with a low concentration of 5×10{sup −5} mol/L.

  8. Selective Binding of O(2) over N(2) in a Redox-Active Metal-Organic Framework with Open Iron(II) Coordination Sites

    SciTech Connect

    Bloch, Eric D.; Murray, Leslie J.; Queen, Wendy L.; Chavan, Sachin; Maximoff, Sergey N.; Bigi, Julian P.; Krishna, Rajamani; Peterson, Vanessa K.; Grandjean, Fernande; Long, Gary J.; Smit, Berend; Bordiga, Silvia; Brown, Craig M.; Long, Jeffrey R.

    2011-09-21

    The air-free reaction between FeCl₂ and H₄dobdc (dobdc{sup 4–} = 2,5-dioxido-1,4-benzenedicarboxylate) in a mixture of N,N-dimethylformamide (DMF) and methanol affords Fe₂(dobdc)·4DMF, a metal–organic framework adopting the MOF-74 (or CPO-27) structure type. The desolvated form of this material displays a Brunauer–Emmett–Teller (BET) surface area of 1360 m²/g and features a hexagonal array of one-dimensional channels lined with coordinatively unsaturated Fe{sup II} centers. Gas adsorption isotherms at 298 K indicate that Fe₂(dobdc) binds O₂ preferentially over N₂, with an irreversible capacity of 9.3 wt %, corresponding to the adsorption of one O₂ molecule per two iron centers. Remarkably, at 211 K, O₂ uptake is fully reversible and the capacity increases to 18.2 wt %, corresponding to the adsorption of one O₂ molecule per iron center. Mössbauer and infrared spectra are consistent with partial charge transfer from iron(II) to O₂ at low temperature and complete charge transfer to form iron(III) and O₂{sup 2–} at room temperature. The results of Rietveld analyses of powder neutron diffraction data (4 K) confirm this interpretation, revealing O₂ bound to iron in a symmetric side-on mode with d{sub O–O} = 1.25(1) Å at low temperature and in a slipped side-on mode with dO–O = 1.6(1) Å when oxidized at room temperature. Application of ideal adsorbed solution theory in simulating breakthrough curves shows Fe₂(dobdc) to be a promising material for the separation of O₂ from air at temperatures well above those currently employed in industrial settings.

  9. ON THE CARBON-TO-OXYGEN RATIO MEASUREMENT IN NEARBY SUN-LIKE STARS: IMPLICATIONS FOR PLANET FORMATION AND THE DETERMINATION OF STELLAR ABUNDANCES

    SciTech Connect

    Fortney, Jonathan J.

    2012-03-10

    Recent high-resolution spectroscopic analysis of nearby FGK stars suggests that a high C/O ratio of greater than 0.8, or even 1.0, is relatively common. Two published catalogs find C/O > 0.8 in 25%-30% of systems, and C/O > 1.0 in {approx}6%-10%. It has been suggested that in protoplanetary disks with C/O > 0.8 that the condensation pathways to refractory solids will differ from what occurred in our solar system, where C/O = 0.55. The carbon-rich disks are calculated to make carbon-dominated rocky planets, rather than oxygen-dominated ones. Here we suggest that the derived stellar C/O ratios are overestimated. One constraint on the frequency of high C/O is the relative paucity of carbon dwarf stars (10{sup -3}-10{sup -5}) found in large samples of low-mass stars. We suggest reasons for this overestimation, including a high C/O ratio for the solar atmosphere model used for differential abundance analysis, the treatment of a Ni blend that affects the O abundance, and limitations of one-dimensional LTE stellar atmosphere models. Furthermore, from the estimated errors on the measured stellar C/O ratios, we find that the significance of the high C/O tail is weakened, with a true measured fraction of C/O > 0.8 in 10%-15% of stars, and C/O > 1.0 in 1%-5%, although these are still likely overestimates. We suggest that infrared T-dwarf spectra could show how common high C/O is in the stellar neighborhood, as the chemistry and spectra of such objects would differ compared to those with solar-like abundances. While possible at C/O > 0.8, we expect that carbon-dominated rocky planets are rarer than others have suggested.

  10. Sample variance in weak lensing: How many simulations are required?

    DOE PAGES [OSTI]

    Petri, Andrea; May, Morgan; Haiman, Zoltan

    2016-03-24

    Constraining cosmology using weak gravitational lensing consists of comparing a measured feature vector of dimension Nb with its simulated counterpart. An accurate estimate of the Nb × Nb feature covariance matrix C is essential to obtain accurate parameter confidence intervals. When C is measured from a set of simulations, an important question is how large this set should be. To answer this question, we construct different ensembles of Nr realizations of the shear field, using a common randomization procedure that recycles the outputs from a smaller number Ns ≤ Nr of independent ray-tracing N-body simulations. We study parameter confidence intervalsmore » as a function of (Ns, Nr) in the range 1 ≤ Ns ≤ 200 and 1 ≤ Nr ≲ 105. Previous work [S. Dodelson and M. D. Schneider, Phys. Rev. D 88, 063537 (2013)] has shown that Gaussian noise in the feature vectors (from which the covariance is estimated) lead, at quadratic order, to an O(1/Nr) degradation of the parameter confidence intervals. Using a variety of lensing features measured in our simulations, including shear-shear power spectra and peak counts, we show that cubic and quartic covariance fluctuations lead to additional O(1/N2r) error degradation that is not negligible when Nr is only a factor of few larger than Nb. We study the large Nr limit, and find that a single, 240 Mpc/h sized 5123-particle N-body simulation (Ns = 1) can be repeatedly recycled to produce as many as Nr = few × 104 shear maps whose power spectra and high-significance peak counts can be treated as statistically independent. Lastly, a small number of simulations (Ns = 1 or 2) is sufficient to forecast parameter confidence intervals at percent accuracy.« less

  11. Synthesis of CuO by Cu-CPPs with the determination of Cu(II) coordination modes from a novel complex of [Cu(terpyOH){sub 2}]·(HBTC)·2H{sub 2}O

    SciTech Connect

    Wang, Yu Chen, Gang Han, Li; Pei, Jian

    2013-10-15

    In this study, we investigated the synthesis of CuO microrods by simple calcination of copper-based coordination polymer particles (Cu-CPPs) at high temperature in air. The photocatalytic activity of the CuO microrods was tested by the decomposition of aqueous solution of RhB, which was completely decomposed by irradiation with light. To analyze the relationship of metal ions and ligands in the Cu-CPPs, the single crystal of [Cu(terpyOH){sub 2}]∙(HBTC)∙2H{sub 2}O (1) (terpyOH=4′-hydroxy-2,2′:6′,2″-terpyridine, BTC=1,3,5-benzene tricarboxylate) was first prepared and characterized by X-ray single crystal structural analysis. A variety of hydrogen bonds constructing the 3D complex structure in [Cu(terpyOH){sub 2}]∙(HBTC)∙2H{sub 2}O (1) were observed. - Graphical abstract: Demonstrating a general method to synthesize CuO microrods via simple calcination of Cu-CPPs and Cu(II) coordination modes from a novel complex of [Cu(terpyOH){sub 2}]∙(HBTC)·2H{sub 2}O constructed by hydrogen bonding. Display Omitted - Highlights: • The formation of microrods CuO from thermal treatment of Cu-CPPs through an “escape-by-crafty-scheme” strategy has been studied. • Determination of Cu(II) coordination modes in Cu-CPPs from a novel complex of [Cu(terpyOH){sub 2}]∙(HBTC) 2H{sub 2}O. • Invested the behave of hydrogen bonding to construct the 3D complex structure. • Commendable photodegradation performance was observed.

  12. Search for: All records | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    Jackson, Scott I. (2) Kober, Edward M. (2) Morris, John S. (2) Patterson, Brian M. (2) Perry, William L. (2) Ramos, Kyle J. (2) Sheffield, Stephen A (2) Sheffield, Stephen A. (2) ...

  13. Search for: All records | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    ... Aaron, W Scott (2) Del Cul, Guillermo (2) Harvey, John A (2) Johnson, Jared A (2) Jubin, ... H ; Koehler, Paul ; Wiarda, Dorothea ; Harvey, John A ; Bigelow, Tim S ; Ausmus, Clint ...

  14. Biodiesel Blends

    SciTech Connect

    Not Available

    2005-04-01

    A 2-page fact sheet discussing general biodiesel blends and the improvement in engine performance and emissions.

  15. Ultrasonic fingerprint sensor using a piezoelectric micromachined...

    Office of Scientific and Technical Information (OSTI)

    mechanical scanning was used to image a 2D polydimethylsiloxane fingerprint phantom ... PIEZOELECTRICITY; SEMICONDUCTOR MATERIALS; SENSORS; SILICON; STEELS Word Cloud ...

  16. Crystal and molecular structures of the 4-(1H)-pyridone (=L) lanthanide complexes [l brace][GdL(NO[sub 3])[sub 3](H[sub 2]O)][center dot]CH[sub 3]OH[r brace][sub 2] and [DyL[sub 4](NO[sub 3])[sub 2

    SciTech Connect

    Goodgame, D.M.L.; Lalia-Kantouri, M.; Williams, D.J. )

    1993-05-01

    The crystal structures of the title compounds have been determined by single crystal diffraction methods. Crystals of the dysprosium compound are monoclinic, space group P2[sub 1]/c with a = 14.133(4), b = 13.438(5), c = 14.401(4) [Angstrom], [beta] = 103.98(2)[degrees], V = 2654(1) [Angstrom][sup 3], Z = 4, D[sub c] = 1.82 g cm[sup [minus]3], final R = 0.035. The Dy atom is eight-coordinate with a distorted dodecahedral coordination geometry involving two bidentate nitrate groups and four pyridone oxygen atoms. An erbium complex with analogous stoichiometry was also prepared but not structurally characterized. Crystals of the Gd compound are monoclinic, space group P2[sub 1]/n, with a = 11.226(2), b = 9.075(2), c = 16.737(3) [Angstrom], [beta] = 93.88(3)[degrees], V = 1701(1) [Angstrom][sup 3], Z = 2, D[sub c] = 1.91 g cm[sup [minus]3], final R = 0.042. Each Gd atom is bonded to one pyridone oxygen atom, a water molecule and three bidentate nitrate groups. An oxygen atom of one of the bidentate nitrates additionally serves to bridge pairs of Gd atoms so as to form a dinuclear complex in which each Gd atom is nine-coordinate with a tricapped trigonal prismatic geometry. Crystals of L[sub 2]HNO[sub 3] are monoclinic, space group I2/a with a = 12.479(4), b = 6.535(2), c = 14.297(6) [Angstrom], [beta] = 96.07(3)[degrees], V = 1159(1) [Angstrom][sup 3], Z = 4, D[sub c] = 1.45 g cm[sup [minus]3], final R = 0.057. The pyridones are linked in pairs by very short (2.44 [Angstrom]) symmetrical O[center dot][center dot][center dot]H[center dot][center dot][center dot]O hydrogen bonds. Each pair is further linked via a nitrate ion by means of N-H[center dot][center dot][center dot]O(nitrate)[center dot][center dot][center dot]H-N hydrogen bonds, so as to form an extended chevron-like pyridone-pyridone-nitrate-pyridone-pyridone array. Adjacent chains are linked via weak C-H[center dot][center dot][center dot]O(NO[sub 3]) interactions. 5 refs., 7 figs., 7 tabs.

  17. Synthesis, structure, and magnetic properties of a novel mixed-valence copper(I/II) phosphate, Cu{sub 2}PO{sub 4}

    SciTech Connect

    Etheredge, K.M.S.; Hwu, S.J.

    1995-09-27

    Via phase compatibility studies, a novel mixed-valence copper(I/II) phosphate, Cu{sub 2}PO{sub 4}, has been isolated from a direct reaction of Cu{sub 2}{sup I}O, Cu{sup II}O, and P{sub 2}O{sub 5} in fused silica. The single-crystal X-ray diffraction shows that the title compound crystallizes in a triclinic (P1) unit cell, with lattice dimensions a = 6.145(2) {angstrom}, b = 9.348(2) {angstrom}, c = 6.009(1) {angstrom}, {alpha} = 96.46(2){degrees}, {beta} = 100.16(2){degrees}, {gamma} = 73.97(2){degrees}, V = 325.8(1) {angstrom}{sup 3}; Z =4. The structure has been refined by the least-squares method to R = 0.019, R{sub w} = 0.030, and GOF = 1.43 for 128 variables. The four copper atoms in each asymmetric unit adopt three distorted coordination geometries that are consistent with the corresponding electronic states, e.g., square pyramidal Cu(1){sup II}O{sub 5}, octahedral Cu(2){sup II}O{sub 6}, and linear Cu(3,4){sup I}O{sub 2}. A low-dimensional framework exists consisting of arrays of nearly parallel CuO{sub 2} units which are separated by the nonmagnetic, closed-shell P{sup 5+} cation in PO{sub 4} tetrahedra. Closely spaced CuO{sub 2} chains and a relatively short Cu{sup I}-Cu{sup I} distance, e.g., 2.737 {angstrom} for Cu(3)-Cu(3), are attributed to the bond strength of the cross-linked PO{sub 4} tetrahedra. In the extended Cu(I/II)-O framework, short linkages of Cu{sup I}-O-Cu{sup II}-O-Cu{sup I} and Cu{sup II}-O-Cu{sup II}, composed of regular Cu-O bonds (1.86-1.99 {angstrom}), are interconnected through long Cu{sup II}-O bonds (2.36-2.74 {angstrom}). The magnetic measurements indicate that the Cu-O framework exhibits a spin 1/2 ground state and an antiferromagnetic ordering with a broad susceptibility maximum between 95 and 105 K. The results of stoichiometric synthesis, thermal analysis, and bond valence sum calculations of the title compound are also discussed.

  18. Corrective Action Investigation Plan for Corrective Action Unit 570: Area 9 Yucca Flat Atmospheric Test Sites Nevada National Security Site, Nevada, Revision 0

    SciTech Connect

    Patrick Matthews

    2012-08-01

    CAU 570 comprises the following six corrective action sites (CASs): • 02-23-07, Atmospheric Test Site - Tesla • 09-23-10, Atmospheric Test Site T-9 • 09-23-11, Atmospheric Test Site S-9G • 09-23-14, Atmospheric Test Site - Rushmore • 09-23-15, Eagle Contamination Area • 09-99-01, Atmospheric Test Site B-9A These sites are being investigated because existing information on the nature and extent of potential contamination is insufficient to evaluate and recommend corrective action alternatives (CAAs). Additional information will be obtained by conducting a corrective action investigation before evaluating CAAs and selecting the appropriate corrective action for each CAS. The results of the field investigation will support a defensible evaluation of viable CAAs that will be presented in the Corrective Action Decision Document. The sites will be investigated based on the data quality objectives (DQOs) developed on April 30, 2012, by representatives of the Nevada Division of Environmental Protection and the U.S. Department of Energy (DOE), National Nuclear Security Administration Nevada Site Office. The DQO process was used to identify and define the type, amount, and quality of data needed to develop and evaluate appropriate corrective actions for CAU 570. The site investigation process will also be conducted in accordance with the Soils Activity Quality Assurance Plan, which establishes requirements, technical planning, and general quality practices to be applied to this activity. The presence and nature of contamination at CAU 570 will be evaluated based on information collected from a field investigation. Radiological contamination will be evaluated based on a comparison of the total effective dose at sample locations to the dose-based final action level. The total effective dose will be calculated as the total of separate estimates of internal and external dose. Results from the analysis of soil samples will be used to calculate internal radiological

  19. Synthesis and crystal structure of a new open-framework iron phosphate (NH{sub 4}){sub 4}Fe{sub 3}(OH){sub 2}F{sub 2}[H{sub 3}(PO{sub 4}){sub 4}]: Novel linear trimer of corner-sharing Fe(III) octahedra

    SciTech Connect

    Mi, Jin-Xiao; Wang, Cheng-Xin; Chen, Ning; Li, Rong; Pan, Yuanming

    2010-12-15

    A new iron phosphate (NH{sub 4}){sub 4}Fe{sub 3}(OH){sub 2}F{sub 2}[H{sub 3}(PO{sub 4}){sub 4}] has been synthesized hydrothermally at HF concentrations from 0.5 to 1.2 mL. Single-crystal X-ray diffraction analysis reveals its three-dimensional open-framework structure (monoclinic, space group P2{sub 1}/n (No. 14), a=6.2614(13) A, b=9.844(2) A, c=14.271(3) A, {beta}=92.11(1){sup o}, V=879.0(3) A{sup 3}). This structure is built from isolated linear trimers of corner-sharing Fe(III) octahedra, which are linked by (PO{sub 4}) groups to form ten-membered-ring channels along [1 0 0]. This isolated, linear trimer of corner-sharing Fe(III) octahedra, [(FeO{sub 4}){sub 3}(OH){sub 2}F{sub 2}], is new and adds to the diverse linkages of Fe polyhedra as secondary building units in iron phosphates. The trivalent iron at octahedral sites for the title compound has been confirmed by synchrotron Fe K-edge XANES spectra and magnetic measurements. Magnetic measurements also show that this compound exhibit a strong antiferromagnetic exchange below T{sub N}=17 K, consistent with superexchange interactions expected for the linear trimer of ferric octahedra with the Fe-F-Fe angle of 132.5{sup o}. -- Graphical abstract: The three-dimensional open-framework structure of (NH{sub 4}){sub 4}Fe{sub 3}(OH){sub 2}F{sub 2}[H{sub 3}(PO{sub 4}){sub 4}] is built from a novel isolated, linear (FeO{sub 4}){sub 3}(OH){sub 2}F{sub 2} trimer of corner-sharing Fe(III) octahedra linked by PO{sub 4} tetrahedra. Display Omitted

  20. Hydrothermal synthesis of two copper helical coordination polymers with acentric three-dimensional framework constructing from mixed pyridine carboxylates

    SciTech Connect

    Zhang Shuai; Cao Yanning; Zhang Hanhui Chai Xiaochuan; Chen Yiping

    2008-03-15

    Two copper helical coordination polymers, [Cu(2-pc)(3-pc)]{sub n}1 and [Cu(2-pc)(4-pc)]{sub n}2 (2-pc=2-pyridine carboxylate, 3-pc=3-pyridine carboxylate, 4-pc=4-pyridine carboxylate) have been hydrothermally synthesized directly from pyridine carboxylic acids and copper nitrate. The crystal structure were determined by single-crystal X-ray diffraction with the following data: compound 1, orthorhombic, P2{sub 1}2{sub 1}2{sub 1}, a=6.591(3) A, b=8.692(5) A, c=20.548(9) A, V=1177.2(9) A{sup 3}, Z=4; compound 2, orthorhombic, Pna2{sub 1}, a=21.160(10) A, b=9.095(5) A, c=6.401(3) A, V=1231.9(11) A{sup 3}, Z=4. The acentric three-dimensional (3D) framework of 1 is constructed from right-handed helical Cu(2-pc) chains and left-handed Cu(3-pc) helices. As for 2, Cu(2-pc) helical chains, in which left- and right-handed helices are coexisting, and Cu(4-pc) zigzag chains combined together to form acentric 3D architecture of 2 as well. Additionally, besides general spectral characterization, we first introduce generalized 2D correlation spectroscopy to explore the coordination polymers and ascertain the stretching vibration location of carboxylate groups of compounds 1 and 2. -- Abstract: Two copper helical coordination polymers, [Cu(2-pc)(3-pc)]{sub n}1 and [Cu(2-pc)(4-pc)]{sub n}2 have been obtained by hydrothermal synthesis. Both two compounds crystallized in non-centrosymmetric space groups, P2{sub 1}2{sub 1}2{sub 1} and Pna2{sub 1}, respectively. The 3D framework of 1 is constructed from right-handed helical Cu(2-pc) chains and left-handed Cu(3-pc) helices. As for 2, Cu(2-pc) helical chains, in which left- and right-handed helices are coexisting, and Cu(4-pc) zigzag chains combined together to form 3D architecture of 2 as well.

  1. Synthesis, characterization and optical properties of NH{sub 4}Dy(PO{sub 3}){sub 4}

    SciTech Connect

    Chemingui, S.; Ferhi, M. Horchani-Naifer, K.; Férid, M.

    2014-09-15

    Polycrystalline powders of NH{sub 4}Dy(PO{sub 3}){sub 4} polyphosphate have been grown by the flux method. This compound was found to be isotopic with NH{sub 4}Ce(PO{sub 3}){sub 4} and RbHo(PO{sub 3}){sub 4}. It crystallizes in the monoclinic space group P2{sub 1/n} with unit cell parameters a=10.474(6) Å, b=9.011(4) Å, c=10.947(7) Å and β=106.64(3)°. The title compound has been transformed to triphosphate Dy(PO{sub 3}){sub 3} after calcination at 800 °C. Powder X-ray diffraction, infrared and Raman spectroscopies and the differential thermal analysis have been used to identify these materials. The spectroscopic properties have been investigated through absorption, excitation, emission spectra and decay curves of Dy{sup 3+} ion in both compounds at room temperature. The emission spectra show the characteristic emission bands of Dy{sup 3+} in the two compounds, before and after calcination. The integrated emission intensity ratios of the yellow to blue (I{sub Y}/I{sub B}) transitions and the chromaticity properties have been determined from emission spectra. The decay curves are found to be double-exponential. The non-exponential behavior of the decay rates was related to the resonant energy transfer as well as cross-relaxation between the donor and acceptor Dy{sup 3+} ions. The determined properties have been discussed as function of crystal structure of both compounds. They reveal that NH{sub 4}Dy(PO{sub 3}){sub 4} is promising for white light generation but Dy(PO{sub 3}){sub 3} is potential candidates in field emission display (FED) and plasma display panel (PDP) devices. - Graphical abstract: The CIE color coordinate diagrams showing the chromatic coordinates of Dy{sup 3+} luminescence in NH{sub 4}Dy(PO{sub 3}){sub 4} and Dy(PO{sub 3}){sub 3}. - Highlights: • The polycrystalline powders of NH{sub 4}Dy(PO{sub 3}){sub 4} and Dy(PO{sub 3}){sub 3} are synthesized. • The obtained powders are characterized. • The spectroscopic properties of Dy{sup 3+} ion

  2. From the ternary Eu(Au/In)2 and EuAu4(Au/In)2 with remarkable Au/In distributions to a new structure type: The gold-rich Eu5Au16(Au/In)6 structure

    DOE PAGES [OSTI]

    Steinberg, Simon; Card, Nathan; Mudring, Anja -Verena

    2015-08-13

    The ternary Eu(Au/In)2 (EuAu0.46In1.54(2)) (I), EuAu4(Au/In)2 (EuAu4+xIn2–x with x = 0.75(2) (II), 0.93(2), and 1.03(2)), and Eu5Au16(Au/In)6 (Eu5Au17.29In4.71(3)) (III) have been synthesized, and their structures were characterized by single-crystal X-ray diffraction. I and II crystallize with the CeCu2-type (Pearson Symbol oI12; Imma; Z = 4; a = 4.9018(4) Å; b = 7.8237(5) Å; c = 8.4457(5) Å) and the YbAl4Mo2-type (tI14; I4/mmm; Z = 2; a = 7.1612(7) Å; c = 5.5268(7) Å) and exhibit significant Au/In disorder. I is composed of an Au/In-mixed diamond-related host lattice encapsulating Eu atoms, while the structure of II features ribbons of distorted, squaredmore » Au8 prisms enclosing Eu, Au, and In atoms. Combination of these structural motifs leads to a new structure type as observed for Eu5Au16(Au/In)6 (Eu5Au17.29In4.71(3)) (oS108; Cmcm; Z = 4; a = 7.2283(4) Å; b = 9.0499(6) Å; c = 34.619(2) Å), which formally represents a one-dimensional intergrowth of the series EuAu2–“EuAu4In2”. The site preferences of the disordered Au/In positions in II were investigated for different hypothetical “EuAu4(Au/In)2” models using the projector-augmented wave method and indicate that these structures attempt to optimize the frequencies of the heteroatomic Au–In contacts. Furthermore, a chemical bonding analysis on two “EuAu5In” and “EuAu4In2” models employed the TB-LMTO-ASA method and reveals that the subtle interplay between the local atomic environments and the bond energies determines the structural and site preferences for these systems.« less

  3. Extending framework based on the linear coordination polymers: Alternative chains containing lanthanum ion and acrylic acid ligand

    SciTech Connect

    Li Hui . E-mail: lihui@bit.edu.cn; Guo Ming; Tian Hong; He Feiyue; Lee, G.-H.; Peng, S.-M.

    2006-11-15

    One-dimensional alternative chains of two lanthanum complexes: [La(L{sup 1}){sub 3}(CH{sub 3}OH)(H{sub 2}O){sub 2}].5H{sub 2}O (L{sup 1}=anion of {alpha}-cyano-4-hydroxycinnamic acid ) 1 and [La(L{sup 2}){sub 3}(H{sub 2}O){sub 2}].3H{sub 2}O (L{sup 2}=anion of trans-3-(4-methyl-benzoyl)-acrylic acid) 2 were synthesized and structurally characterized by single-crystal X-ray diffraction, element analysis, IR and thermogravimetric analysis. The crystal structure data are as follows for 1: C{sub 31}H{sub 36}LaN{sub 3}O{sub 17}, triclinic, P-1, a=9.8279(4)A, b=11.8278(5)A, c=17.8730(7)A, {alpha}=72.7960(10){sup o}, {beta}=83.3820(10){sup o}, {gamma}=67.1650(10)-bar , Z=2, R{sub 1}=0.0377, wR{sub 2}=0.0746; for 2: C{sub 33}H{sub 37}LaO{sub 14}, triclinic, P-1, a=8.7174(5)A, b=9.9377(5)A, c=21.153(2)A, {alpha}=81.145(2){sup o}, {beta}=87.591(2){sup o}, {gamma}=67.345(5){sup o}, Z=2, R{sub 1}=0.0869, wR{sub 2}=0.220. 1 is a rare example of the alternative chain constructed by syn-syn and anti-syn coordination mode of carboxylato ligand arranged along the chain alternatively. La(III) ions in 2 are linked by two {eta}{sup 3}-O bridges and four bridges (two {eta}{sup 2}-O and two {eta}{sup 3}-O) alternatively. Both of the linear coordination polymers grow into two- and three-dimensional networks by packing through extending hydrogen-bond network directed by ligands.

  4. Fast-ion conducting Y{sub 2}(Zr{sub y}Ti{sub 1-y}){sub 2}O{sub 7} pyrochlores: Neutron Rietveld analysis of disorder induced by Zr substitution

    SciTech Connect

    Heremans, C.; Wuensch, B.J.; Stalick, J.K.; Prince, E.

    1995-06-01

    The structure of Y{sub 2}(Zr{sub y}Ti{sub 1-y}){sub 2}O{sub 7} solid solutions progressively changes, with increasing y, from an ordered pyrochlore structure A{sub 2}B{sub 2}O{sub 7}{four_gradient}, space group Fd3m, to a deflect-fluorite structure (A,B){sub 4} (O{sub 0.875}{four_gradient}{sub 0.125}){sub 8}, space group Fm3m, at y = 0.90. The anion array consists of three independent sites O(1), O(2), and O(3), occupying positions 48f, 8a and 8b, respectively, of which 8b is unoccupied in a fully ordered pyrochlore. Rietveld powder-profile analysis of data collected with 1.5453-{angstrom} thermal neutrons was used to determine the structural state of four samples with increasing Zr content (y = 0.30, 0.45, 0.60, and 0.90). Refinements that employed only the pyrochlore superstructure intensity data provided weighted profile residuals that ranged 8.06 to 8.67% compared with expected values of 7.13 to 7.87% derived from counting statistics. The onset of disorder at y = 0.30 is marked by filling of the vacant 8b site with oxygen ions displaced from the nearest-neighbor anion shell - i.e., O(1) in 48f. Only for y > 0.45 does O(2) participate in the disorder. Mixing of the occupancy of cation sites A and B begins only with under occupancy of the O(2) site. The eight-coordinated A site, position 16c, is occupied solely by Y for y {le} 0.45 and is predominantly Y at y = 0.60. The substituted Zr{sup 4+} thus replaces Ti{sup 4+} in the six-coordinated B site for most of the solid-solution series. Complete mixing of all three cation species occurs abruptly over the narrow compositional range 0.60 < y {le} 0.90.

  5. A permanent breast seed implant as partial breast radiation therapy for early-stage patients: A comparison of palladium-103 and iodine-125 isotopes based on radiation safety considerations

    SciTech Connect

    Keller, Brian; Sankreacha, Raxa; Rakovitch, Eileen; O'Brien, Peter; Pignol, Jean-Philippe . E-mail: Jean-Philippe.Pignol@sw.ca

    2005-06-01

    Purpose: A permanent breast seed implant (PBSI) technique has been developed as a new form of partial adjuvant radiation therapy for early-stage breast cancer. This study compares iodine-125 ({sup 125}I) and palladium-103 ({sup 103}Pd) isotopes by examining the exposure and effective dose (ED) to a patient's partner.Methods and Materials: A low-energy survey meter was used to measure exposure rates as a function of bolus thickness placed over {sup 103}Pd or {sup 125}I seeds. A general mathematical expression for the initial exposure rate at 1 m (x{sub o,1m}) from the skin surface as a function of the implant size, R, and the distance between the skin surface and the implant, d, was derived. Also, a second general equation is proposed to calculate the ED to the patient's partner.Results: The initial exposure rate at 1 meter and the ED are calculated as follows: x{sub o,1m} = (3{alpha})/2R{sup 3}{center_dot}{beta}{sup 3} [e{sup -{beta}}{sup (2R+d)}({beta}R + 1) + e{sup -{beta}}{sup {center_dot}}{sup d}({beta}R - 1)], and ED = aR{sup b} {center_dot} [e{sup -c(2R+d)} {center_dot} (cR + 1) + e{sup -cd} -bar (cR - 1)]. For {sup 125}I, the parameters are: {alpha} = 0.154409, {beta} = 0.388460, a = 197, b = -0.95, and c = 0.38846. For {sup 103}Pd, they are: {alpha} = 0.06877, {beta} = 0.421098, a = 18.6, b -0.78, and c = 0.421098. For implant diameters varying from 2 to 6 cm and skin-to-implant distances varying from 0.7 to 4 cm, the ED is consistently below 2.6 mSv using the {sup 103}Pd isotope, but more than 5 mSv in many instances and possibly up to 20 mSv using {sup 125}I.Conclusions: PBSI using {sup 103}Pd seeds appears safe because the patient's partner ED is consistently below 5 mSv. The{sup 125}I isotope is not recommended for PBSI.

  6. Non-OH chemistry in oxidation flow reactors for the study of atmospheric chemistry systematically examined by modeling

    DOE PAGES [OSTI]

    Peng, Z.; Day, D. A.; Ortega, A. M.; Palm, B. B.; Hu, W. W.; Stark, H.; Li, R.; Tsigaridis, K.; Brune, W. H.; Jimenez, J. L.

    2015-09-01

    Oxidation flow reactors (OFRs) using low-pressure Hg lamp emission at 185 and 254 nm produce OH radicals efficiently and are widely used in atmospheric chemistry and other fields. However, knowledge of detailed OFR chemistry is limited, allowing speculation in the literature about whether some non-OH reactants, including several not relevant for tropospheric chemistry, may play an important role in these OFRs. These non-OH reactants are UV radiation, O(1D), O(3P), and O3. In this study, we investigate the relative importance of other reactants to OH for the fate of reactant species in OFR under a wide range of conditions via boxmoremodeling. The relative importance of non-OH species is less sensitive to UV light intensity than to relative humidity (RH) and external OH reactivity (OHRext), as both non-OH reactants and OH scale roughly proportional to UV intensity. We show that for field studies in forested regions and also the urban area of Los Angeles, reactants of atmospheric interest are predominantly consumed by OH. We find that O(1D), O(3P), and O3 have relative contributions to VOC consumption that are similar or lower than in the troposphere. The impact of O atoms can be neglected under most conditions in both OFR and troposphere. Under "pathological OFR conditions" of low RH and/or high OHRext, the importance of non-OH reactants is enhanced because OH is suppressed. Some biogenics can have substantial destructions by O3, and photolysis at non-tropospheric wavelengths (185 and 254 nm) may also play a significant role in the degradation of some aromatics under pathological conditions. Working under low O2 with the OFR185 mode allows OH to completely dominate over O3 reactions even for the biogenic species most reactive with O3. Non-tropospheric VOC photolysis may have been a problem in some laboratory and source studies, but can be avoided or lessened in future studies by diluting source emissions and working at lower precursor concentrations in lab studies

  7. Low resistivity p-type Zn{sub 1−x}Al{sub x}O:Cu{sub 2}O composite transparent conducting oxide thin film fabricated by sol–gel method

    SciTech Connect

    Hui, K.N.; Hui, K.S.; Li, Lei; Cho, Y.R.; Singh, Jai

    2013-01-15

    Graphical abstract: Display Omitted Highlights: ► Cu{sub 2}O doped p-type AZO films was first prepared by sol–gel method. ► AZO:Cu{sub 2}O films showed a polycrystalline Cu{sub 2}O (1 1 0) and Cu (2 0 0) phases. ► p-Type conductivity was achieved by annealing in N{sub 2}/H{sub 2} forming gas at 400 °C. ► p–n junction (ITO/AZO:Cu{sub 2}O) revealed rectifying I–V characteristics. ► The mean optical transmittance of AZO:Cu{sub 2}Ofilms was >90%. -- Abstract: Highly transparent Cu{sub 2}O-doped p-type Zn{sub 1−x}Al{sub x}O (AZO; Al/Zn = 1.5 at%) conducting oxide films were synthesized on glass substrates using a cost effective low temperature sol–gel method. X-ray diffraction of the Cu{sub 2}O-doped AZO (AZO:Cu{sub 2}O) films revealed a polycrystalline Cu{sub 2}O (1 1 0) peak. The I–V measurements of the p–n junction (ITO/AZO:Cu{sub 2}O) revealed rectifying I–V characteristics, showing that these AZO:Cu{sub 2}O films exhibit p-type conductivity. p-Type conductivity was achieved by annealing the AZO:Cu{sub 2}O films in N{sub 2}/H{sub 2} forming gas at 400 °C. The hole concentration, hole mobility and resistivity of the 0.5–2 mol% AZO:Cu{sub 2}O films were 5.41 × 10{sup 18} to 1.99 × 10{sup 20} cm{sup −3}, 8.36–21.6 cm{sup 2}/V s and 1.66 × 10{sup −2} to 6.94 × 10{sup −3} Ω cm, respectively. These results show that post-annealing in a forming gas is effective and practicable in producing p-type AZO.

  8. Pod Generating Group | Open Energy Information

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    Group Jump to: navigation, search Name: Pod Generating Group Place: Sault Ste Marie, Ontario, Canada Zip: P6A 2G4 Sector: Solar Product: Canadian developer of...

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    Evaluating the Limits of Solar Photovoltaics (PV) in Electric Power Systems Utilizing Energy Storage and Other Enabling Technologies, NREL Report No. JA-6A2-453152 Logo:...

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    Polytechnic University of Madrid Jump to: navigation, search Name: Polytechnic University of Madrid Place: Madrid, Spain Sector: Solar Product: University piloting a 2.7MW solar...

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  12. CX-012110: Categorical Exclusion Determination

    Energy.gov [DOE]

    Cowlitz Falls Fish Facility Access Agreement Extension CX(s) Applied: A2 Date: 04/02/2014 Location(s): Washington Offices(s): Bonneville Power Administration

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    wind potential, but that topographical conditions mean the potential for the technology cannot be ruled out. A 2 MW demonstration project was launched in 2007 in the...

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    DRAFT ENVIRONMENTAL ASSESSMENT SNI Wind Turbine Project DOEEA-2004 A-2 October 2015 Notice of Public Scoping postcard SNI Wind Turbine Project DOEEA-2004 A-3 October 2015 ...

  11. A MEASUREMENT OF SECONDARY COSMIC MICROWAVE BACKGROUND ANISOTROPIES...

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    ... (United States) Department of Physics, McGill University, Montreal, Quebec H3A 2T8 (Canada) Department of Astrophysical and Planetary Sciences and Department of Physics, ...

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    Microwave Radiometers Put to the Test in Germany Bookmark and Share A 2-channel microwave ... ARM Mobile Facility site in Heselbach, Germany, in 2007. Microwave radiometers (MWRs) ...

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    Sensitivity Tests on the Microphysical Parameters of a 2-Dimensional Cirrus Model R.-F. Lin Department of Meteorology, Pennsylvania State University University Park, Pennsylvania...

  14. Neutron scattering of CeNi at the SNS-ORNL: A preliminary report...

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    Authors: Mirmelstein, A. 1 ; Podlesnyak, Andrey A 2 ; Kolesnikov, Alexander I 2 ; Saporov, B. 3 ; Sefat, A.S. 3 ; Tobin, J. G. 4 + Show Author Affiliations Russian ...

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    ... leaving the residual A2 system at low excitation energy. ... to an electrical grid is disclosed. The apparatus includes a sensor adapted to generate a voltage signal ...

  16. 2008 Network Open Season (NOS) NEPA Request

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    ... Halim, Merissa (2) Huber, Rachel (2) Kilbride, Daniel (2) Kopidakis, Nikos (2) Lopata, Kenneth A. (2) Nardes, Alexandre M. (2) Rubin, Yves (2) Schwartz, Benjamin J. (2) Tolbert, ...

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  19. Fast, Sensitive and Reliable Hydrogen Sensor | Argonne National...

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    Fast, Sensitive and Reliable Hydrogen Sensor Technology available for licensing Warm-up not required, and responds in less than 75 milliseconds in a 2% hydrogen atmosphere...

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    2 U.S. Energy Information Administration Annual Energy Review 2011 Table A2. Approximate Heat Content of Petroleum Production, Imports, and Exports, Selected Years, 1949-2011...

  1. Annual Energy Outlook 2015 - Appendix A

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  2. Sandia National Laboratories Hits Milestone, Gears Up for 2016...

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    oxide (AZO) under a 2D cyclic olefin copolymer (COC) diffraction grating used as a mask. ... Faculty of Materials Science and Engineering, Kyoto Institute of Technology, Kyoto ...

  4. Enabling graphene nanoelectronics. (Technical Report) | SciTech...

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    Title: Enabling graphene nanoelectronics. Recent work has shown that graphene, a 2D ... Country of Publication: United States Language: English Subject: 36 MATERIALS SCIENCE; ...

  5. Appendix A: Reference case

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    4 Reference case Table A2. Energy consumption by sector and source (quadrillion Btu per year, unless otherwise noted) Energy Information Administration Annual Energy Outlook 2014...

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    Blue means LOI number changed. Many LOIs were deleted or merged. EVMSIH QE LOI V2.0 - IS EVMSIH QE LOI V1.1 - WAS EVMSIH QE LOI V2.0 - IS EVMSIH QE LOI V1.1 - WAS EVMSIH QE LOI V2.0 - IS EVMSIH QE LOI V1.1 - WAS EVMSIH QE LOI V2.0 - IS EVMSIH QE LOI V1.1 - WAS 1-A-1 1-A-1 10-A-1 10-A-1 20-A-1 20-A-1 29-A-1 29-A-1 1-A-2 1-A-2 10-A-2 10-A-2 20-A-2 20-A-2 29-A-2 29-A-2 10-A-3 10-A-3 29-A-3 29-A-3 2-A-1 2-A-1 10-A-4 10-A-4 21-A-1 21-A-1 10-A-5 10-A-5 21-A-2 21-A-4 29-B-1 29-B-1 3-A-1 3-A-1 10-A-6

  7. Renewable Energy Deployment Projects for Forest County Potawatomi...

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    through the deployment of a biogas generation facility and solar photovoltaic (PV) system. ... FCPC developed a 2-megawatt anaerobic digestion and biogas generation facility. ...

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    that includes the installation of solar, biogas, and biomass energy systems to heat, ... of a 2-MW anaerobic digester and biogas generation facility in Milwaukee that ...

  9. Forest County Potawatomi Recognized for Renewable Energy Achievements...

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    biogas generation facility converts food waste into electricity to power 1,500 homes. Photo from Forest County Potawatomi Community. A 2-megawatt anaerobic digester and biogas ...

  10. DOE Supports Renewable Energy Deployment Projects for Forest...

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  11. Clean Energy Projects Helping Wisconsin Tribe Achieve Sustainability...

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    ... using a 2.52.520 cm3 LYSO crystal placed perpendicularly to the electron ... Fast, purely growing collisionless reconnection as an eigenfunction problem related to but ...

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    to aid its decision whether to provide funding for the University of Delaware's construction and operation of a 2-megawatt wind turbine adjacent to the University's...

  14. EA-1782: Finding of No Significant Impact | Department of Energy

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    grant of Congressionally Directed Federal Funding to assist in the financing of the construction and operation of a 2 megawatt wind turbine adjacent to the University's...

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    These approaches informed development of the second phase, a quantitative online survey. ... A 2 + Show Author Affiliations Bryant Research, LLC ORNL Publication Date: 2011-03-01 ...

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  17. --No Title--

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  1. Caterpillar Diesel Racing: Yesterday & Today | Department of...

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    a 2-Cycle Marine Engine Adaptive Control to Improve Low Temperature Diesel Engine Combustion Emissions and Durability of Underground Mining Diesel Particulate Filter Applications

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  3. Carbon Trust Enterprises Limited | Open Energy Information

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    Enterprises Limited Jump to: navigation, search Name: Carbon Trust Enterprises Limited Place: London, United Kingdom Zip: WC2A 2AZ Sector: Carbon Product: Carbon Trust Enterprises...

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  6. NERSC-BES-Requirements-Yelick10.ppt

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    ... * Obtained interaction energy of a 2-water cluster treating one H 2 O quantum ... hour in 2009 Implications: Possible use in drug delivery, advanced sieves, desalination. ...

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  9. Tax Credits, Rebates & Savings | Department of Energy

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    eligible for a 2,000 rebate. This program is open to all residential new... Eligibility: Construction, Residential Savings Category: Solar Photovoltaics, Geothermal Heat Pumps,...

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    a new Data System Database (DSDB), after a 2-year process of incremental upgrades and migration of metadata. The final upgrade showed significant improvement by increasing...

  19. MAMBA v1

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    2D, High Resolution, Coupled Demonstration and Assessment of the Crud Challenge Problem ... A 2D, high-resolution, coupled demonstration and assessment of the crud challenge ...

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    Quebec Zip: H3A 2R7 Sector: Bioenergy, Biofuels, Biomass, Carbon Product: Ethanol, Methanol, Green Chemicals Year Founded: 2000 Phone Number: 514-875-0284 Website:...