Sample records for texas na na

  1. Report from NA49

    E-Print Network [OSTI]

    Katarzyna Grebieszkow; for the NA49 Collaboration

    2011-12-04T23:59:59.000Z

    The signatures of the onset of deconfinement, found by the NA49 experiment at low SPS energies, are confronted with new results from the Beam Energy Scan (BES) program at BNL RHIC and CERN LHC results. Additionally, new NA49 results on chemical (particle ratio) fluctuations, azimuthal angle fluctuations, intermittency of di-pions, etc. are presented.

  2. Challenges for Na-ion Negative Electrodes

    E-Print Network [OSTI]

    Chevrier, V. L.

    Na-ion batteries have been proposed as candidates for replacing Li-ion batteries. In this paper we examine the viability of Na-ion negative electrode materials based on Na alloys or hard carbons in terms of volumetric ...

  3. Aithisg Bhliadhnail Coilltearachd na h-Alba

    E-Print Network [OSTI]

    ' toirt thugaibh Lèirmheas Bliadhnail Ùghdarras Coilltearachd na h-Alba 2007-08. B' e seo a' chiad bliadhna. Tha mise a' meas an Lèirmheas seo mar `iris dhealbhach' an cois na h-Aithisg Bhliadhnail agus Ùghdarras na Coilltearachd a bhith dèanamh cinnteach gu lean an fhàs seo agus gum bi e na bhuannachd do

  4. NA61/SHINE ion program

    E-Print Network [OSTI]

    Maja Mackowiak for the NA61 Collaboration

    2010-09-06T23:59:59.000Z

    The Super Proton Synchrotron (SPS) at CERN covers one of the most interesting regions of the phase diagram (T - \\mu_{B}) of strongly interacting matter. The study of central Pb+Pb collisions by NA49 indicate that the threshold for deconfinement is reached already at the low SPS energies. Theoretical considerations predict a critical point of strongly interacting matter at energies accessible at the SPS. The NA61/SHINE experiment, a successor of the NA49 project, will study hadron production in p+p, p+A, h+A, and A+A reactions at various energies. The broad physics program includes the investigation of the properties of strongly interacting matter, as well as precision measurements of hadron spectra for the T2K neutrino experiment and for the Pierre Auger Observatory and KASCADE cosmic-ray projects. The main physics goals of the NA61/SHINE ion program are to study the properties of the onset of deconfinement at low SPS energies and to find signatures of the critical point of strongly interacting matter. To achieve these goals a broad range in the (T - \\mu_{B}) phase diagram will be covered by performing an energy (10A-158A GeV/c) and system size (p+p, B+C, Ar+Ca, Xe+La) scan. The first data for this 2-D scan were taken in 2009, i.e. p+p interactions at 20, 30, 40, 80, 158 GeV/c beam energy. This contribution will summarize physics arguments for the NA61/SHINE ion program, show the detector performance and present the current status of the experiment and plans for the next years.

  5. analiticheskij kompleks na: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  6. aktinidnykh matrits na: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  7. aprendizagem organizacional na: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  8. aplicacao na prevencao: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  9. acumulam na doenca: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  10. acometido na vertigem: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  11. apendicite aguda na: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  12. aplicacao na producao: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  13. argila na morfologia: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  14. atividade pesqueira na: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  15. adjuvante na papilomatose: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  16. alcalino neoproterozoico na: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  17. artificiais na bacia: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  18. acidente na usina: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  19. ambulatoriais na cidade: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  20. adquirida na comunidade: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  1. aplicacao na calibracao: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  2. adsorbirovannogo na tverdykh: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  3. animais silvestres na: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  4. acidentes na industria: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  5. aliado na busca: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  6. alteracoes na secrecao: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  7. auxilio na atividade: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  8. aplicacao na dosimetria: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  9. aplicado na automacao: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  10. aktivnosti na fiziologicheskie: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  11. avaliadas na semeadura: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  12. Um novo paradigma na medicina DESENVOLVEU UMA METODOLOGIA DISRUPTIVA BASEADA NA INTEGRAO DE AVANADAS TECNOLOGIAS

    E-Print Network [OSTI]

    Instituto de Sistemas e Robotica

    Um novo paradigma na medicina do coração DESENVOLVEU UMA METODOLOGIA DISRUPTIVA BASEADA NA M�DICOS A MELHORAR DIAGN�STICOS NA MEDICINA DO CORA��O. #12;Depois do aperfeiçoamento das tecnologias pa medicina. A utilização dos resultados da genéti- ca como meio auxiliar de diagnóstico clínico é já uma

  13. Na double-edge magneto-optic filter for Na lidar profiling of wind and temperature in the

    E-Print Network [OSTI]

    Chu, Xinzhao

    proposed by one of the authors (Williams), originating from the Na magneto-optic filter in solar-edge magneto-optic fil- ter (Na-DEMOF). It has advantages over the FPIs and iodine filters because of its magnetic field across the Na cell causes the Zeeman splitting of Na energy levels, which shifts

  14. An experimental investigation of the solubility and complexing of nickel in the system NiO-HCl-H?O-NaCl

    E-Print Network [OSTI]

    Fahlquist, Lynne Shirley

    2012-06-07T23:59:59.000Z

    AN EXPERIMENTAL INVESTIGATION OF THE SOLUBILITY AND COMPLEXING OF NICKEL IN THE SYSTEM NiO-HC1-H20-NaC1 A Thesis by LYNNE SHIRLEY FAHLQUIST Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirements... of Nickel in the System NiO-HC1-H20-NaCI Lynne Shirley Fahlquist, B. S. , Texas AdtM University Chairman of Advisory Committee: Dr, Robert K. Popp The solubility of NiO was determined in both NaCl-free and NaC1-bearing systems in the range 550-750'C, 2...

  15. master's degree NaNotechNology

    E-Print Network [OSTI]

    Twente, Universiteit

    master's degree NaNotechNology When choosing a Master's programme, it is wise to look one step topical, incorporating the latest developments in applied physics, nanotechnology, chemical engineering projects will be carried out at the MESA+ institute for nanotechnology, or the MIRA institute

  16. Laser trapping of {sup 21}Na atoms

    SciTech Connect (OSTI)

    Lu, Zheng-Tian

    1994-09-01T23:59:59.000Z

    This thesis describes an experiment in which about four thousand radioactive {sup 21}Na (t{sub l/2} = 22 sec) atoms were trapped in a magneto-optical trap with laser beams. Trapped {sup 21}Na atoms can be used as a beta source in a precision measurement of the beta-asymmetry parameter of the decay of {sup 21}Na {yields} {sup 21}Ne + {Beta}{sup +} + v{sub e}, which is a promising way to search for an anomalous right-handed current coupling in charged weak interactions. Although the number o trapped atoms that we have achieved is still about two orders of magnitude lower than what is needed to conduct a measurement of the beta-asymmetry parameter at 1% of precision level, the result of this experiment proved the feasibility of trapping short-lived radioactive atoms. In this experiment, {sup 21}Na atoms were produced by bombarding {sup 24}Mg with protons of 25 MeV at the 88 in. Cyclotron of Lawrence Berkeley Laboratory. A few recently developed techniques of laser manipulation of neutral atoms were applied in this experiment. The {sup 21}Na atoms emerging from a heated oven were first transversely cooled. As a result, the on-axis atomic beam intensity was increased by a factor of 16. The atoms in the beam were then slowed down from thermal speed by applying Zeeman-tuned slowing technique, and subsequently loaded into a magneto-optical trap at the end of the slowing path. The last two chapters of this thesis present two studies on the magneto-optical trap of sodium atoms. In particular, the mechanisms of magneto-optical traps at various laser frequencies and the collisional loss mechanisms of these traps were examined.

  17. 2011 Annual Planning Summary for Defense Nuclear Nonproliferation (NA-20)

    Broader source: Energy.gov [DOE]

    The ongoing and projected Environmental Assessments and Environmental Impact Statements for 2011 and 2012 within Defense Nuclear Nonproliferation (NA-20).

  18. Gua para a Sustentabilidade Ambiental na UDC

    E-Print Network [OSTI]

    Fraguela, Basilio B.

    #12;#12;#12;Guía para a Sustentabilidade Ambiental na UDC #12;Redacción Dolores Árias Vázquez Juan Introdución 23 Indicadores de sustentabilidade 27 O contorno natural e humanizado 35 Caracterización dos Ambientalización curricular 101 Outros servizos da udC relacionados coa sustentabilidade 105 O medio ambiente

  19. Comparative studies of etching mechanisms of CR-39 in NaOH/H2O and NaOH/ethanol

    E-Print Network [OSTI]

    Yu, K.N.

    Comparative studies of etching mechanisms of CR-39 in NaOH/H2O and NaOH/ethanol K.C.C. Tse, D Avenue, Kowloon Tong, Hong Kong Available online 13 May 2007 Abstract The bulk etch rate for CR-39 in NaOH/ethanol accumulates on the surface of CR-39 detector during etching in NaOH/ethanol, which is absent during etching

  20. Investigation of the ion exchange equilibrium between NA+, Ca++, Mg++, and a sulfonated polystyrene resin at various concentrations

    E-Print Network [OSTI]

    McIlhenny, William Franklin

    1958-01-01T23:59:59.000Z

    INVESTIGATiON OF THE ION EXCHANGE EQUILIBRIUM BETWEEN Na , Ca++, Mg++, AND A SULFONATED POLYSTYRENE RESIN AT VARIOUS CONCENTRATIONS A THESIS BY WILLIAM FRANKLIN McILHENNY Submitted to the Graduate School of the Agricultural and Mechanical... College of Texas in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE January 1958 MaJor Subject: Chemical Engineering INVESTIGATION OF THE ION EXCHANGE EQUILIBRIUM BFTWEEN Na+, Ca++ Mg++ AND A SULFONATED POLYSTYRENE RESIN...

  1. Crnica: "A horta na cidade" (Primavera Ambiental 2013)

    E-Print Network [OSTI]

    Fraguela, Basilio B.

    Crónica: "A horta na cidade" (Primavera Ambiental 2013) O pasado mércores 10 de abril tivo lugar na con ADEGA. A actividade que leva por título "A horta na cidade" consistiu nunha conferencia a cargo de, Isabel Barrio explicounos os pros e contras dos diferentes tipos de hortas urbanas, dende as máis básicas

  2. Office of Nuclear Material Integration (ONMI), NA-73

    National Nuclear Security Administration (NNSA)

    U.S. as well as Imports and Exports Jointly funded by the NRC & NNSA - Managed by NA-73 Fuel Cycle Facilities Conversion Enrichment Fuel Fabrication Power Reactors,...

  3. alvo molecular na: Topics by E-print Network

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

    relacionar as percepes de identidade profissional dos docentes de educao infantil com (more) Leito, Zuleica Maria Tavares de Brito 2013-01-01 122 for the NA48...

  4. Workforce Statistics - NA-30 | National Nuclear Security Administratio...

    National Nuclear Security Administration (NNSA)

    NA-30 | National Nuclear Security Administration Facebook Twitter Youtube Flickr RSS People Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy...

  5. Angular distributions of photoelectrons from free Na clusters

    SciTech Connect (OSTI)

    Wopperer, P.; Dinh, P. M. [Universite de Toulouse, UPS, Laboratoire de Physique Theorique, IRSAMC, F-31062 Toulouse Cedex, France and CNRS, UMR 5152, F-31062 Toulouse Cedex (France); Faber, B.; Reinhard, P.-G. [Institut fuer Theoretische Physik, Universitaet Erlangen, D-91058 Erlangen (Germany); Suraud, E. [Universite de Toulouse, UPS, Laboratoire de Physique Theorique, IRSAMC, F-31062 Toulouse Cedex, France and CNRS, UMR 5152, F-31062 Toulouse Cedex (France); Institut fuer Theoretische Physik, Universitaet Erlangen, D-91058 Erlangen (Germany)

    2010-12-15T23:59:59.000Z

    We explore, from a theoretical perspective, photoelectron angular distributions (PADs) of the Na clusters Na{sub 8}, Na{sub 10}, Na{sub 12}, Na{sub 18}, Na{sub 3}{sup +}, Na{sub 11}{sup +}, Na{sub 13}{sup +}, and Na{sub 19}{sup +}. The basis of the description is the time-dependent local-density approximation (TDLDA), augmented by a self-interaction correction (SIC) to describe ionization properties correctly. The scheme is solved on a numerical grid in coordinate space with absorbing bounds. We assume for each cluster system an isotropic ensemble of free clusters and develop for the case of one-photon emission analytical formulas for computing the orientation-averaged PAD on the basis of a few TDLDA-SIC calculations for properly chosen reference orientations. It turns out that all the information in the averaged PAD is contained in one anisotropy parameter. We find that this parameter varies very little with system size, but as a whole is crucially influenced by the detailed ionic structure. We also make comparisons with direct orientation averaging and consider one example reaching outside the perturbative regime.

  6. armazenamento na energia: Topics by E-print Network

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

    Rey Juan Carlos, Universidad 3 Portugal lidera consrcio envolvido na produo de "energia limpa, segura e abundante" Engineering Websites Summary: ) - A produo de...

  7. ambientais envolvidos na: Topics by E-print Network

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

    Elisa Flvia Luiz Cardoso 2014-01-01 4 Portugal lidera consrcio envolvido na produo de "energia limpa, segura e abundante" Engineering Websites Summary: ) - A produo de...

  8. alta energia na: Topics by E-print Network

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

    Leonardo Oliveira Ferreira 2006-01-01 2 Portugal lidera consrcio envolvido na produo de "energia limpa, segura e abundante" Engineering Websites Summary: ) - A produo de...

  9. Pion and kaon freezeout in NA44

    SciTech Connect (OSTI)

    NA44 Collaboration

    1994-12-01T23:59:59.000Z

    The NA44 spectrometer is optimized for the study of single and two-particle particle spectra near mid-rapidity for transverse momenta below {approx} 1 GeV/c. A large fraction of all pairs in the spectrometer`s acceptance are at low relative momenta, resulting in small statistical uncertainties on the extracted size parameters. In addition, the spectrometer`s clean particle identification allows the authors to measure correlation functions for pions, kaons, and protons. This contribution will concentrate on the source size parameters determined from pion and kaon correlation functions. These size parameters will be compared to calculations from the RQMD event generator and also interpreted in the context of a hydrodynamic model. Finally, the measured single particle spectra will be examined from the viewpoint of hydrodynamics.

  10. Crnica I Encontro Solar na UDC O pasado mrcores 24 de abril tivo lugar na Praza da Fraga (Campus da

    E-Print Network [OSTI]

    Fraguela, Basilio B.

    /informativos/os-universitarios-da-coruna-comparten-unha-xornada-de- gastronomia-solar-573783 http://www.lavozdegalicia.es/noticia/coruna/2013/04/24/cocina-universitaria-energiaCrónica I Encontro Solar na UDC O pasado mércores 24 de abril tivo lugar na Praza da Fraga (Campus da Zapateira) a primeira edición do Encontro Solar na UDC. Esta era a terceira das actividades

  11. Supporting Information Electric Field Reversal of Na2SO4, (NH4)2SO4, and Na2CO3 relative to CaCl2

    E-Print Network [OSTI]

    water 1 M Na2 CO3 1 M Na2 SO4 1 M (NH4 )2 SO4 2 M CaCl2 2 M NaCl Re (2) (a.u.) Incident Infrared (cm -1.8 M CaCl2, 1.8 M NaCl, 1.1 M Na2CO3, 1.1 M Na2SO4, and 1.1 M (NH4)2SO4 salt solutions. ExperimentalS1 Supporting Information Electric Field Reversal of Na2SO4, (NH4)2SO4, and Na2CO3 relative to CaCl

  12. Topical Review Voltage Dependence of the Na/K Pump

    E-Print Network [OSTI]

    Gadsby, David

    or ``ion well'' hy- pothesis. There are only two ways that net transport can be voltage dependent. Either of the external Na+ and K+ bind- ing sites within the membrane field. This access channel or ``ion well produced by applying a blocking Key words: Na,K-ATPase -- Membrane potential -- Access channel -- Ion well

  13. Analytical Potential Energy Surface for the Na + HF NaF + H reaction: Application of Conventional Transition-State Theory

    E-Print Network [OSTI]

    Analytical Potential Energy Surface for the Na + HF NaF + H reaction: Application of Conventional Transition-State Theory Alessandra F. A. Vilela, Ricardo Gargano a Patr´icia R.P. Barreto b a Instituto de from calculation of the rate constant using con- ventional Transition State Theory (TST

  14. Otoczenie spoleczne i jego wplyw na wyniki ekonomiczne przedsibiorstwa na przykladzie instytucji nonprofit wiadczcej uslugi lecznicze i rehabilitacyjne.

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    _wyniki_ekonomiczne_przedsi_biorstwa_na_przyk_adzie_instytucji_nonpr ofit_wiadcz_cej_us_ugi_lecznicze_i_rehabilitacyjne_autorstwa_K_Szagdaja_A_Miks a/888478 Recenzja 2: N_wyniki_ekonomiczne_przedsi_biorstwa_na_przyk_adzie_instytucji_nonpr ofit_wiadcz_cej_us_ugi_lecznicze_i_rehabilitacyjne_autorstwa_K_Szagdaja_Recenzj a_2_N_Wenc_a/888477 hal

  15. Scintillation efficiency measurement of Na recoils in NaI(Tl) below the DAMA/LIBRA energy threshold

    E-Print Network [OSTI]

    Xu, Jingke; Calaprice, Frank; Westerdale, Shawn; Froborg, Francis; Suerfu, Burkhant; Alexander, Thomas; Aprahamian, Ani; Back, Henning O; Casarella, Clark; Fang, Xiao; Gupta, Yogesh K; Ianni, Aldo; Lamere, Edward; Lippincott, W Hugh; Liu, Qian; Lyons, Stephanie; Siegl, Kevin; Smith, Mallory; Tan, Wanpeng; Kolk, Bryant Vande

    2015-01-01T23:59:59.000Z

    The dark matter interpretation of the DAMA modulation signal depends on the NaI(Tl) scintillation efficiency of nuclear recoils. Previous measurements for Na recoils have large discrepancies, especially in the DAMA/LIBRA modulation energy region. We report a quenching effect measurement of Na recoils in NaI(Tl) from 3keV$_{\\text{nr}}$ to 52keV$_{\\text{nr}}$, covering the whole DAMA/LIBRA energy region for light WIMP interpretations. By using a low-energy, pulsed neutron beam, a double time-of-flight technique, and pulse-shape discrimination methods, we obtained the most accurate measurement of this kind for NaI(Tl) to date. The results differ significantly from the DAMA reported values at low energies, but fall between the other previous measurements. We present the implications of the new quenching results for the dark matter interpretation of the DAMA modulation signal.

  16. On the 21Na(p,gamma)22Mg thermonuclear rate for 22Na production in novae

    E-Print Network [OSTI]

    Nadya A. Smirnova; Alain Coc

    2000-08-16T23:59:59.000Z

    Classical novae are potential sources of gamma-rays, like the 1.275 MeV gamma emission following 22Na beta decay, that could be detected by appropriate instruments on board of future satellites like INTEGRAL. It has been shown that the production of 22Na by novae is affected by the uncertainty on the 21Na(p,gamma)22Mg rate and in particular by the unknown partial widths of the Ex = 5.714 MeV, J^pi = 2^+, 22Mg level. To reduce these uncertainties, we performed shell model calculations with the OXBASH code, compared the results with available spectroscopic data and calculated the missing partial widths. Finally, we discuss the influence of these results on the 21Na(p,gamma)22Mg reaction rate and 22Na synthesis.

  17. E-Print Network 3.0 - azotada na produtividade Sample Search...

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

    das melhores prticas da... destacar o crescimento significativo da certificao ISO 9001 ABNT, 1994 na indstria de software e... reside na gerao de estimativas...

  18. E-Print Network 3.0 - adulteradas comercializadas na Sample Search...

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

    das melhores prticas da... destacar o crescimento significativo da certificao ISO 9001 ABNT, 1994 na indstria de software e... reside na gerao de estimativas...

  19. E-Print Network 3.0 - atmosferas modificadas na Sample Search...

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

    Fax: +41 22 730 80258013 Summary: efeito estufa e aerossis da atmosfera, na radiao solar e nas propriedades da superfcie terrestre... na alterao do equilbrio da...

  20. auto-anticorpos na artrite: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  1. anti-sepsia intrabucal na: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  2. autonomia na auto-reconquista: Topics by E-print Network

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

    Na monocarboxylate transport (SMCT) protein expression correlates with survival in colon cancer, 2006) We report an extensive characterization of the Na monocarboxy- late...

  3. E-Print Network 3.0 - anseniformes ocorrido na Sample Search...

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

    de maior intensidade e freqncia esto na periferia das placas tectnicas. O Brasil se situa numa... posio privilegiada, ou seja, na poro central da Placa...

  4. E-Print Network 3.0 - auxilio na descoberta Sample Search Results

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

    Na ltima dcada, o Projeto Peixes de Bonito junto com vrias... universidades do Brasil e do exterior revelaram numerosos achados. Os mais recentes aconteceram na Expedio...

  5. E-Print Network 3.0 - agricultura familiar na Sample Search Results

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

    Atualmente, segundo o censo que realizamos em 200910 na comunidade... trabalho na horta que eles chamam de agricultura. Aqui procurei preservar a classificao deles,...

  6. Effects of NaCl, sucrose, and storage on rheological parameters of heat induced gels of liquid egg products

    E-Print Network [OSTI]

    Brough, Joan

    1988-01-01T23:59:59.000Z

    EFFECTS OF NaCl, SUCROSE, AND STORAGE ON RHEOLOGICAL PARAMETERS OF HEAT INDUCED GELS OF LIQUID EGG PRODUCTS A Thesis by Joan Brough Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements... and content by: C. W. Dill (Chair of Committee) F. A. Gardner (Member) R. L. Edwards (Member) G. C. Smith (Head of Department) December 1988 ABSTRACT Effects of NaC1, Sucrose, and Storage on Rheological Parameters of Heat Induced Gels of Liquid Egg...

  7. Surface-polishing process for NaI crystals

    SciTech Connect (OSTI)

    Francis, J.

    1982-09-01T23:59:59.000Z

    Darkening of large arrays of NaI used in high energy physics experiments at SLAC has prompted an investigation of methods for annealing radiation damage. As part of this research, it has been necessary to repolish the flat faces of the NaI crystals. The final polishing parameters are given in this document as well as an indication of some techniques which did not work.

  8. Effects of Point Defects and Impurities on Kinetics in NaAlH4

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

    Alanate * Viable hydrogen storage material (5.6 wt%) NaAlH 4 13 Na 3 AlH 6 + 23 Al + H 2 Na 3 AlH 6 3 NaH + Al + 32 H 2 * But: reactions slow - Only happen at too...

  9. Investigation of thermonuclear $^{18}$Ne($?$,$p$)$^{21}$Na rate via resonant elastic scattering of $^{21}$Na+$p$

    E-Print Network [OSTI]

    L. Y. Zhang; J. J. He; A. Parikh; S. W. Xu; H. Yamaguchi; D. Kahl; S. Kubono; P. Mohr; J. Hu; P. Ma; S. Z. Chen; Y. Wakabayashi; H. W. Wang; W. D. Tian; R. F. Chen; B. Guo; T. Hashimoto; Y. Togano; S. Hayakawa; T. Teranishi; N. Iwasa; T. Yamada; T. Komatsubara; Y. H. Zhang; X. H. Zhou

    2014-03-19T23:59:59.000Z

    The $^{18}$Ne($\\alpha$,$p$)$^{21}$Na reaction is thought to be one of the key breakout reactions from the hot CNO cycles to the rp-process in type I x-ray bursts. In this work, the resonant properties of the compound nucleus $^{22}$Mg have been investigated by measuring the resonant elastic scattering of $^{21}$Na+$p$. An 89 MeV $^{21}$Na radioactive beam delivered from the CNS Radioactive Ion Beam Separator bombarded an 8.8 mg/cm$^2$ thick polyethylene (CH$_{2}$)$_{n}$ target. The $^{21}$Na beam intensity was about 2$\\times$10$^{5}$ pps, with a purity of about 70% on target. The recoiled protons were measured at the center-of-mass scattering angles of $\\theta_{c.m.}$$\\approx$175.2${^\\circ}$, 152.2${^\\circ}$, and 150.5${^\\circ}$ by three sets of $\\Delta E$-$E$ telescopes, respectively. The excitation function was obtained with the thick-target method over energies $E_x$($^{22}$Mg)=5.5--9.2 MeV. In total, 23 states above the proton-threshold in $^{22}$Mg were observed, and their resonant parameters were determined via an $R$-matrix analysis of the excitation functions. We have made several new $J^{\\pi}$ assignments and confirmed some tentative assignments made in previous work. The thermonuclear $^{18}$Ne($\\alpha$,$p$)$^{21}$Na rate has been recalculated based on our recommended spin-parity assignments. The astrophysical impact of our new rate has been investigated through one-zone postprocessing x-ray burst calculations. We find that the $^{18}$Ne($\\alpha$,$p$)$^{21}$Na rate significantly affects the peak nuclear energy generation rate, reaction fluxes, as well as the onset temperature of this breakout reaction in these astrophysical phenomena.

  10. Rate coefficient for the chemi-ionization in slow Li*(n)+Li and Na*(n)+Na collisions

    SciTech Connect (OSTI)

    Ignjatovic, Lj.M.; Mihajlov, A.A. [Institute of Physics, P. O. Box 68, 11080 Zemun, Belgrade (Serbia and Montenegro)

    2005-08-15T23:59:59.000Z

    The chemi-ionization processes in slow-atom-Rydberg-atom collisions are considered in this paper. A version of the semiclassical method of rate coefficient calculation that is free of the presumptions which significantly limited its applicability previously is presented. The method is applied to the cases of Li*(n)+Li and Na*(n)+Na collisions for the principal quantum numbers 5{<=}n{<=}25 and temperatures 600{<=}T{<=}1200 K. The results of calculation of the rate coefficients of the corresponding chemi-ionization processes are compared to the existing experimental data from the literature.

  11. NNSA PERSONNEL SECURITY CLEARANCE ACTION REQUEST Program Code: NA

    E-Print Network [OSTI]

    Fuerschbach, Phillip

    NNSA PERSONNEL SECURITY CLEARANCE ACTION REQUEST Program Code: NA OFFICIAL USE ONLY (UPON sections and fields are required to be completed. The National Nuclear Security Administration (NNSA material (SNM). AL F 470.1 Form is used by NNSA Personnel Security Department to initiate background

  12. AMERINDIA n35, 2011 La nominalisation en kali'na

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    'na est une langue relativement bien connue grâce aux travaux de Hoff sur le Carib du Surinam (variété du origine commune. Par ailleurs, Hoff (2009) décrit, pour le Carib du Surinam, les constructions

  13. BIOLOGICAL SAFETY O N/A Biosafety Cabinets

    E-Print Network [OSTI]

    Entekhabi, Dara

    : _________________________________________________ _________________________________________________ _________________________________________________ RADIATION SAFETY O N/A ___RS-1 Radioactive Material Inventory / Use Logs out of date ___RS-2 Radioactive Material waste inventory cards improperly filled out ___RS-3 Stock radioactive material not secure ___RS-4 __Accelerator __PressureVessels __HiReactMaterials __Rad Material __PwIndV / __PwTools __>55g Oil __X

  14. A Lepton Universality Test at CERN NA62 Experiment

    E-Print Network [OSTI]

    Evgueni Goudzovski

    2010-05-07T23:59:59.000Z

    The NA62 experiment at CERN collected a large sample of K+ --> enu decays during a dedicated run in 2007, aiming at a precise test of lepton universality by measurement of the helicity suppressed ratio RK = BR(K+ --> enu)/BR(K+ --> munu). A preliminary result of the analysis of a partial data sample of 51089 K+ --> enu candidates is presented.

  15. Ja argang 14 naJa ar / 2007

    E-Print Network [OSTI]

    Franssen, Michael

    Ja argang 14 naJa ar / 2007 ixMATR In gesprek met marIa van der Hoeven posItIef oordeel over IndustrIal desIgn alumnIdag over duurzame energIe Magnetisme op atomaire schaal k w a r t a a l b l a d v

  16. National Aeronautics and Space Administration NaNotechNology Roadmap

    E-Print Network [OSTI]

    Waliser, Duane E.

    National Aeronautics and Space Administration · NaNotechNology Roadmap Technology Area 10 Michael A: Nanotechnology. NASA developed this DRAFT Space Technology Roadmap for use by the National Research Council (NRC Nanotechnology involves the manipulation of matter at the atomic level, where convention- al physics breaks down

  17. INTEX-NA: Intercontinental Chemical Transport Experiment -North America

    E-Print Network [OSTI]

    and its precursors (hydrocarbons, NOx and HOx), aerosols, and the major greenhouse gases (CO2, CH4, N2O transported between the U. S., Canada, and Mexico. INTEX-NA will be the first continental scale inflow and horizontal concentration gradients of CO2 throughout the troposphere over continental source/sink regions

  18. Background p(450 GeV/c)-p,d (NA51)

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    #12;#12;Background ' Open charm J / Drell-Yan #12;* p(450 GeV/c)-p,d (NA51) 208 16 p(200 Ge) 32 p(450 GeV/c)-A (A=C,Al,Cu,W) (NA38) 10101 10101010 652 3 4 B targetprojectile B(J/)/(AB)(nb) 5 4 3 Pb(208x158 GeV/c)-Pb (NA50) S(32x200 GeV/c)-U (NA38) p(200 GeV/c)-W (NA38) p(450 GeV/c)-A (A=p,d) (NA

  19. Investigation of thermonuclear $^{18}$Ne($\\alpha$,$p$)$^{21}$Na rate via resonant elastic scattering of $^{21}$Na+$p$

    E-Print Network [OSTI]

    Zhang, L Y; Parikh, A; Xu, S W; Yamaguchi, H; Kahl, D; Kubono, S; Mohr, P; Hu, J; Ma, P; Chen, S Z; Wakabayashi, Y; Wang, H W; Tian, W D; Chen, R F; Guo, B; Hashimoto, T; Togano, Y; Hayakawa, S; Teranishi, T; Iwasa, N; Yamada, T; Komatsubara, T; Zhang, Y H; Zhou, X H

    2014-01-01T23:59:59.000Z

    The $^{18}$Ne($\\alpha$,$p$)$^{21}$Na reaction is thought to be one of the key breakout reactions from the hot CNO cycles to the rp-process in type I x-ray bursts. In this work, the resonant properties of the compound nucleus $^{22}$Mg have been investigated by measuring the resonant elastic scattering of $^{21}$Na+$p$. An 89 MeV $^{21}$Na radioactive beam delivered from the CNS Radioactive Ion Beam Separator bombarded an 8.8 mg/cm$^2$ thick polyethylene (CH$_{2}$)$_{n}$ target. The $^{21}$Na beam intensity was about 2$\\times$10$^{5}$ pps, with a purity of about 70% on target. The recoiled protons were measured at the center-of-mass scattering angles of $\\theta_{c.m.}$$\\approx$175.2${^\\circ}$, 152.2${^\\circ}$, and 150.5${^\\circ}$ by three sets of $\\Delta E$-$E$ telescopes, respectively. The excitation function was obtained with the thick-target method over energies $E_x$($^{22}$Mg)=5.5--9.2 MeV. In total, 23 states above the proton-threshold in $^{22}$Mg were observed, and their resonant parameters were determ...

  20. In Situ 13C and 23Na Magic Angle Spinning NMR Investigation of...

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

    In Situ 13C and 23Na Magic Angle Spinning NMR Investigation of Supercritical CO2 Incorporation in Smectite-Natural Organic In Situ 13C and 23Na Magic Angle Spinning NMR...

  1. Postdoctoral positions fall/winter 2014 Na,K-ATPase turnover and ATP dependence.

    E-Print Network [OSTI]

    Haviland, David

    Postdoctoral positions fall/winter 2014 Na,K-ATPase turnover and ATP and consumption of ATP in relation to Na,K- ATPase activity in neurons and renal epithelial cell systems. Develop

  2. Thin Porous Metal Sheet-Supported NaA Zeolite Membrane for Water...

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

    Thin Porous Metal Sheet-Supported NaA Zeolite Membrane for WaterEthanol Separation. Thin Porous Metal Sheet-Supported NaA Zeolite Membrane for WaterEthanol Separation. Abstract:...

  3. The Beam and Detector for the NA48 Neutral Kaon CP Violation Experiment at CERN

    E-Print Network [OSTI]

    Fanti, V; Marras, D; Musa, L; Nappi, A; Batley, J Richard; Bevan, A; Dosanjh, R S; Galik, R; Gershon, T; Hay, B; Kalmus, George Ernest; Katvars, S; Lazzeroni, C; Moore, R; Munday, D J; Needham, M D; Olaiya, E; Parker, M A; Patel, M; Slater, M; Takach, S; White, T O; Wotton; Bal, F; Barr, G; Bocquet, G; Bremer, J; Brodier-Yourstone, P; Buchholz, P; Burns, M; Ceccucci, A; Clément, M; Cuhadar-Donzelsmann, T; Cundy, Donald C; Doble, Niels; Falaleev, V; Formenti, F; Funk, W; Gatignon, L; Gonidec, A; Grafström, P; Hallgren, B; Kapusta, P; Kesseler, G; Kubischta, Werner; Iwanski, W; Lacourt, A; Laverriere, G; Linser, G; Ljuslin, C; Marchioro, A; Mast, M; Matheys, J P; Morel, M; Norton, A; Orlic, J P; Panzer-Steindel, B; Schinzel, D; Seidl, W; Taureg, H; Tarlé, J C; Velasco, M; Vossnack, O; Wahl, H; Wertelaers, P; Weterings, J; Cheshkov, C; Gaponenko, A; Goudzovski, E; Khristov, P Z; Kalinin, A; Kekelidze, V D; Kozhevnikov, Yu; Madigozhin, D T; Molokanova, N A; Potrebenikov, Yu K; Tkatchev, A; Zinchenko, A I; Boyle, O; Knowles, I; Martin, V; Parsons, H; Peach, K J; Sacco, R; Veitch, E; Walker, A; Carassiti, V; Contalbrigo, M; Cotta-Ramusino, A; Dalpiaz, P; Damiani, C; Duclos, J; Ferretti, P; Frabetti, P L; Gianoli, A; Martini, M; Petrucci, F; Porcu, M; Rossi, F; Savrié, M; Scarpa, M; Simani, C; Bizzeti, A; Calvetti, M; Collazuol, G; Graziani, G; Iacopini, E; Lenti, M; Martelli, F; Michetti, A; Ruggiero, G; Veltri, M; Becker, H G; Behler, M; Blümer, H; Coward, D; Ebersberger, C; Eppard, K; Eppard, M; Fox, H; Geib, K H; Hirstius, A; Kalter, A; Kleinknecht, K; Koch, U; Köpke, L; Lopes da Silva, P; Luitz, S; Marouelli, P; Masetti, L; Melzer-Pellmann, I; Moosbrugger, U; Morales-Morales, C; Peters, A; Renk, B; Scheidt, J; Schmidt, J; Schmidt, S A; Schönharting, V; Schué, Yu; Staeck, J; Wanke, R; Wilhelm, R; Winhart, A; Wittgen, M; Zeitnitz, O; Dabrowski, A; Fonseca-Martin, T; Chollet, J C; Crépé, S; de La Taille, C; Fayard, L; Iconomidou-Fayard, L; Martin-Chassard, G; Ocariz, J; Unal, G; Wingerter-Seez, I; Anzivino, Giuseppina; Bordacchini, F; Cenci, P; Imbergamo, E; Lariccia, P; Lubrano, P; Mestvirishvili, A; Papi, A; Pepé, M; Piccini, M; Punturo, M; Talamonti, C; Tondini, F; Bertanza, L; Calafiura, P; Carosi, R; Casali, R; Cerri, C; Cirilli, M; Costantini, F; Fantechi, R; Fidecaro, Francesco; Fiorini, L; Giudici, S; Gorini, B; Laico, F; Lamanna, G; Mannelli, I; Marzulli, V; Passuello, D; Pierazzini, G M; Raffaelli, F; Sozzi, M; Tripiccione, R; Anvar, S; Bédérède, D; Bugeon, F; Chèze, J B; Cogan, J; De Beer, M; Debu, P; Durand, D; Edard, S; Fallou, J L; Formica, A; Gosset, L; Granier de Cassagnac, R; Heitzmann, J; Le Provost, H; Louis, F; Mandzhavidze, I; Mazzucato, E; Migliori, A; Mur, M; Peyaud, B; Schanne, S; Steinkamp, O; Tarte, Gérard; Turlay, René; Vallage, B; Holder, M; Augustin, I; Bender, M; Maier, A; Schwarz, I; Ziolkowski, M; Arcidiacono, R; Barberis, P L; Benotto, F; Bertolino, F; Biino, C; Brunasso, O; Cartiglia, N; Clemencic, M; Dattola, D; Goy-Lopez, S; Govi, G; Guida, R; Marchetto, F; Menichetti, E; Palestini, S; Pastrone, N; Chlopik, A; Guzik, Z; Nassalski, J P; Rondio, E; Szleper, M; Wislicki, W; Wronka, S; Dibon, Heinz; Fischer, G; Jeitler, Manfred; Markytan, Manfred; Mikulec, I; Neuhofer, G; Pernicka, M; Taurok, Anton; Widhalm, L

    2007-01-01T23:59:59.000Z

    The Beam and Detector, used for the NA48 experiment, devoted to the measurement of $Re(\\epsilon^{\\prime}/\\epsilon)$, and for the NA48/1 experiment on rare K_S and neutral hyperon decays, are described.

  4. E-Print Network 3.0 - aborto ilegal na Sample Search Results

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

    ... (mre de 33 ans, deux enfants, en union libre) ; ... Il n'a pas t pla... ... s'il a t... et... comment on dit... planifi .... Non, non il n'a pas...

  5. Impact of Biodiesel-Based Na on the Selective Catalytic Reduction...

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

    Impact of Biodiesel-Based Na on the Selective Catalytic Reduction (SCR) of NOx Using Cu-zeolite Impact of Biodiesel-Based Na on the Selective Catalytic Reduction (SCR) of NOx Using...

  6. E-Print Network 3.0 - atmosfera controlada na Sample Search Results

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

    for: atmosfera controlada na Page: << < 1 2 3 4 5 > >> 1 coleo explorando o ensino o brasil e o meio ambiente antrtico Summary: Antrtica pgina 15 Aquecimento global na...

  7. Caustic Recycle from Hanford Tank Waste Using Large Area NaSICON Structures (LANS)

    SciTech Connect (OSTI)

    Fountain, Matthew S.; Sevigny, Gary J.; Balagopal, S.; Bhavaraju, S.

    2009-03-31T23:59:59.000Z

    This report presents the results of a 5-day test of an electrochemical bench-scale apparatus using a proprietary (NAS-GY) material formulation of a (Na) Super Ion Conductor (NaSICON) membrane in a Large Area NaSICON Structures (LANS) configuration. The primary objectives of this work were to assess system performance, membrane seal integrity, and material degradation while removing Na from Group 5 and 6 tank waste from the Hanford Site.

  8. Fiscalizao e Controle: O Poder Legislativo na Argentina e no Brasil Contemporneos

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    1 Fiscalização e Controle: O Poder Legislativo na Argentina e no Brasil Contemporâneos Charles na Argentina e no Brasil Contemporâneos "La société a le droit de demander compte à tout agent public concentrar-se na análise das novas instituições de controle externo no Brasil e na Argentina, de acordo com o

  9. Text na web Zprva esitele o vsledcch esen projektu

    E-Print Network [OSTI]

    Cerveny, Vlastislav

    bydlí. Jedná se zejména o: 1. Permanentní instalaci kvalitního datového projektoru (typicky 4000 Ansi projektu). 2. Permanentní instalaci mensího datového projektoru (do 2500 Ansi Lumen) v seminárních, M5 à dataprojektor 4000 Ansi Lumen à PC kom

  10. Cosmogenic radionuclide production in NaI(Tl) crystals

    E-Print Network [OSTI]

    J. Amaré; S. Cebrián; C. Cuesta; E. García; C. Ginestra; M. Martínez; M. A. Oliván; Y. Ortigoza; A. Ortiz de Solórzano; C. Pobes; J. Puimedón; M. L. Sarsa; J. A. Villar; P. Villar

    2015-01-16T23:59:59.000Z

    The production of long-lived radioactive isotopes in materials due to the exposure to cosmic rays on Earth surface can be an hazard for experiments demanding ultra-low background conditions, typically performed deep underground. Production rates of cosmogenic isotopes in all the materials present in the experimental set-up, as well as the corresponding cosmic rays exposure history, must be both well known in order to assess the relevance of this effect in the achievable sensitivity of a given experiment. Although NaI(Tl) scintillators are being used in experiments aiming at the direct detection of dark matter since the first nineties of the last century, very few data about cosmogenic isotopes production rates have been published up to date. In this work we present data from two 12.5 kg NaI(Tl) detectors, developed in the frame of the ANAIS project, which were installed inside a convenient shielding at the Canfranc Underground Laboratory just after finishing surface exposure to cosmic rays. The very fast start of data taking allowed to identify and quantify isotopes with half-lives of the order of tens of days. Initial activities underground have been measured and then production rates at sea level have been estimated following the history of detectors; values of about a few tens of nuclei per kg and day for Te isotopes and 22Na and of a few hundreds for I isotopes have been found. These are the first direct estimates of production rates of cosmogenic nuclides in NaI crystals. A comparison of the so deduced rates with calculations using typical cosmic neutron flux at sea level and a carefully selected description of excitation functions will be also presented together with an estimate of the corresponding contribution to the background at low and high energies, which can be relevant for experiments aiming at rare events searches.

  11. mTOR Regulates Lysosomal ATP-Sensitive Two-Pore Na+

    E-Print Network [OSTI]

    Clapham, David E.

    mTOR Regulates Lysosomal ATP-Sensitive Two-Pore Na+ Channels to Adapt to Metabolic State Chunlei cytosolic ATP levels is not well understood. Here, we identify an endolysosomal ATP-sensitive Na+ channel (lysoNaATP). The channel is a complex formed by two-pore channels (TPC1 and TPC2), ion channels

  12. Besedje stare kme?ke delovne šege na Koroškem – steljeraje

    E-Print Network [OSTI]

    Benko, Anja

    2010-01-01T23:59:59.000Z

    dolo?enem podro?ju s pomo?jo rok U? s?ta:rix ?ca:jtix, ?k? ?še ni b?w? ?n? ?c?:st pa ne e?l?:ktrike pa ?tuj k?m?:?ke mexani?za:cije ?ni:so poz?na:li, se je na ?pa:u?rex de?wa:wo u??s? na ?ro:ke. SSKJ + Plet. + delo || ?d?:wo -a s delanje, vezano na... ?lu:ksus. SSKJ – Plet. – paver || ?pa:w?r -ra m kmet U? s?ta:rix ?ca:jtix, ?k? ?še ni b?w? ?n? ?c?:st pa ne e?l?:ktrike pa ?tuj k?m?:?ke mexani?za:cije ?ni:so poz?na:li, se je na ?pa:u?rex de?wa:wo u??s? na ?ro:ke. [nem. der Bauer kmet] SSKJ + (nižje...

  13. Impact of surface roughness on the electrical parameters of industrial high efficiency NaOH-NaOCl textured multicrystalline silicon solar cell

    SciTech Connect (OSTI)

    Basu, P.K. [Department of Physics, Echelon Institute of Technology, Faridabad 121002, Haryana (India); Pujahari, R.M. [Department of Physics, Echelon Institute of Technology, Faridabad 121002, Haryana (India); Department of Physics, Manav Rachna International University, Faridabad 121001, Haryana (India); Kaur, Harpreet [Department of Physics, Manav Rachna International University, Faridabad 121001, Haryana (India); Department of Physics, Advanced Institute of Technology and Management, Palwal 121105, Haryana (India); Singh, Devi [Department of Physics, Manav Rachna International University, Faridabad 121001, Haryana (India); Varandani, D.; Mehta, B.R. [Department of Physics, Indian Institute of Technology, New Delhi 110016 (India)

    2010-09-15T23:59:59.000Z

    Sodium hydroxide (NaOH) and sodium hypochlorite (NaOCl) solution (1:1 ratio by volume) based texturization process at 80-82 C is an easy, low cost and comparatively new and convenient option for fabrication of any multicrystalline silicon (mC-Si) solar cell. In the present study atomic force microscope is used to observe the intragrain surface in a miniscule area (3 {mu}m x 3 {mu}m) of NaOH-NaOCl textured surface by two and three dimensional analysis, roughness analysis and section analysis. The r.m.s value of the surface parameter of 7.0 nm ascertains the smoothness of the textured surface and further the surface reflectivity is minimized to 4-6% in the 500-1000 nm wavelength range by a proper silicon nitride anti-reflection coating. Comparing with the standard HF-HNO{sub 3}-CH{sub 3}COOH acid textured cell, the NaOH-NaOCl textured cell shows a comparatively lower value of series resistance of 7.17 m{omega}, higher value of shunt resistance of 18.4 {omega} to yield a fill factor of 0.766 leading to more than 15% cell efficiency in the industrial cell processing line. This AFM study yields different surface roughness parameters for the NaOH-NaOCl textured wafers which can be used as a reference standard for optimized texturing. (author)

  14. Texas Tech University Energy Savings Program October 2012 Update

    E-Print Network [OSTI]

    Zhuang, Yu

    on energy consumption for the same time period from the previous year normalized to current energy costs,727 Cogeneration Steam 20.06 20.83 Up 3.8% NA Total 165.84 161.01 Down 2.9% $ 194,851 Texas Tech University EnergyTexas Tech University Energy Savings Program October 2012 Update The Texas Tech Energy Savings

  15. Texas Tech University Energy Savings Program October 2012 Update Page 1 of 4 Texas Tech University Energy Savings Program

    E-Print Network [OSTI]

    Gelfond, Michael

    time period from the previous year normalized to current energy costs and campus square footage.06 20.83 Up 3.8% NA Total 165.84 161.01 Down 2.9% $ 194,851 #12;Texas Tech University Energy SavingsTexas Tech University Energy Savings Program ­ October 2012 Update Page 1 of 4 Texas Tech

  16. E-Print Network 3.0 - argilas pilarizadas na Sample Search Results

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

    .1 m frac- tion was separated using centrifugation and Ca-, Na- and K-saturated with 1N CaCl2, Na... ) SiO2 Al2O3 Fe2O3 MnO MgO CaO Na2O 0.50 60.65 13.69 1.67 0.04 3.65 2.07 < L.D....

  17. Determination of the composition of H2 O-NaCl-CaCl2

    E-Print Network [OSTI]

    Bodnar, Robert J.

    Determination of the composition of H2 O-NaCl-CaCl2 fluid inclusions based on microthermometric fluids in which NaCl and CaCl2 are the two most abundant salts and which may be adequately described by the system H2 O-NaCl-CaCl2 are common in many geologic environments. The best source of information

  18. Bulk and track etch properties of CR-39 SSNTD etched in NaOH/ethanol

    E-Print Network [OSTI]

    Yu, K.N.

    Bulk and track etch properties of CR-39 SSNTD etched in NaOH/ethanol K.F. Chan, F.M.F. Ng, D. described the use of NaOH/ethanol as an etchant for the CR-39 detector, and have determined the corre and track etch properties of CR- 39 in NaOH/ethanol were derived from direct measurements. The bulk etch

  19. DE. GM05-NA25851 MEMORANDUM OF UNDERSTANDING BETWEEN ARMSTRONG...

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

    1 MEMORANDUM OF UNDERSTANDING BETWEEN ARMSTRONG COUNTY, TEXAS AND THE UNITED STATES DEPARTMENT OF ENERGY This Memorandum of Understanding (hereinafter called "MOU") is between...

  20. DE-GM51-05NA25846

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

    the STATE OF TEXAS (hereinafter called the "State"), acting through the State Energy Conservation Office (hereinafter called SECO"). The DOE entered into Grant Instrument...

  1. DE-GM54-09NA29279

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

    OF UNDERSTANDING BETWEEN CITY OF PANHANDLE, TEXAS AND THE UNITED STATES DEPARTMENT OF ENERGY This Memorandum of Understanding (hereinafter called "MOU") is between the City of...

  2. E-Print Network 3.0 - adubo na perspectiva Sample Search Results

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

    Computer Technologies and Information Sciences 30 Vitor Barata Ribeiro Blanco Barroso Gerao de Sombras em Tempo Real para Modelos CAD Summary: perspectiva, como na idia...

  3. E-Print Network 3.0 - ambiente na periferia Sample Search Results

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

    o meio ambiente antrtico Summary: Dados Internacionais de Catalogao na Publicao (CIP) O Brasil e o meio ambiente antrtico : ensino... projeto ambiental Mudanas...

  4. E-Print Network 3.0 - ao cultural na Sample Search Results

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    DO SUL INSTITUTO DE INFORM ' Summary: -orientador Porto Alegre, outubro de 1994. 12; 2 CIP - CATALOGA C AO NA PUBLICA C AO Bordini, Rafael Heitor... Bandeira da Silva)...

  5. E-Print Network 3.0 - amendoim forrageiro na Sample Search Results

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    autorais (Lei n 9.610). Dados Internacionais de Catalogao na Publicao (CIP) ... Source: Instituto Nacional de Pesquisas Espaciais, Laboratrio Associado de...

  6. E-Print Network 3.0 - auto-estima na funcionalidade Sample Search...

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    das melhores prticas da... destacar o crescimento significativo da certificao ISO 9001 ABNT, 1994 na indstria de ... Source: Endler, Markus - Departamento de...

  7. Supplementary Information Bianchi et al., NN-A11887A The Neurotoxic MEC-4(d) Na+

    E-Print Network [OSTI]

    Schafer, William R.

    Gene Function Method Effect on mec-4(d)- induced necrosis cax-1 Ca2+ exchanger RNAi No ncx-1 Na+ /Ca2

  8. E-Print Network 3.0 - arsenazo iii na Sample Search Results

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    Phototriggerable Diplasmalogen Liposomes Summary: a (Bchl), Arsenazo III (AIII), NaCl, CaCl2, human fibrinogen (93% clottable), tissue transglutaminase... + was no longer detected...

  9. E-Print Network 3.0 - aumento na densidade Sample Search Results

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    de Qumica, Universidade Estadual de Campinas Collection: Chemistry 19 Por Que Falha a Energia Solar em Portugal? Segunda-feira, 29 de Dezembro de 2003 Summary: encontram na...

  10. E-Print Network 3.0 - aplicacao na padronizacao Sample Search...

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    em producao na construcao de dezenas de aplicacoes entregues a ind'ustria. Neste ... Source: Endler, Markus - Departamento de Informtica, Pontifcia Universidade...

  11. E-Print Network 3.0 - albopictus skuse na Sample Search Results

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    by Explorit Topic List Advanced Search Sample search results for: albopictus skuse na Page: << < 1 2 3 4 5 > >> 1 Biological Invasions 3: 151166, 2001. 2002 Kluwer Academic...

  12. E-Print Network 3.0 - aedes albopictus na Sample Search Results

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

    by Explorit Topic List Advanced Search Sample search results for: aedes albopictus na Page: << < 1 2 3 4 5 > >> 1 Biological Invasions 3: 151166, 2001. 2002 Kluwer Academic...

  13. E-Print Network 3.0 - agem na demanda Sample Search Results

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    Collection: Mathematics 2 Descrio original: Chaetodon tricolor Bloch, 1795, tipo do Brasil. CARACTERSTICAS DIAGNOSTIC CHARACTERS Summary: filamento na extremidade de cada lobo,...

  14. E-Print Network 3.0 - abordagem multiescala na Sample Search...

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    Sciences 2 Analise de formas representadas por marcos Summary: oria Natural do Brasil", 23) 2.2 Tipos de Dados em Morfometria Apesar da principal abordagem na...

  15. E-Print Network 3.0 - armas brasileiras na Sample Search Results

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    Collection: Engineering 2 Metas Brasileiras de Reduo de Emisses de GEE Summary: no Brasil 1. Metas Brasileiras Cenrio com Meta de Reduo do Desmatamento na Amaznia...

  16. E-Print Network 3.0 - ambiental na costa Sample Search Results

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    for Systems and Robotics, Lisboa Collection: Engineering 3 coleo explorando o ensino o brasil e o meio ambiente antrtico Summary: Dados Internacionais de Catalogao na...

  17. E-Print Network 3.0 - anomalia geologica na Sample Search Results

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    Wancura Barbieri 1 Summary: a variabilidade da precipitao na regio Sul do Brasil podendo ser responsveis por anomalias positivas e... . Para a definio das...

  18. E-Print Network 3.0 - aplicacao na medida Sample Search Results

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    Energia em Clusters Web Dorgival Guedes , Wagner Meira Jr. , Diego Nogueira , Rodrigo Pereira Summary: na Figura 2. Os tres elemen- tos principais sao a aplicacao...

  19. E-Print Network 3.0 - aleitamento materno na Sample Search Results

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    Anthology Collection: Computer Technologies and Information Sciences 2 ROBERTA MARIA PEREIRA LEITE CICLO ESTRAL E MENSTRUAL: REPERCUSSO DA Summary: em ambos os grupos. Na...

  20. E-Print Network 3.0 - adultos na coorte Sample Search Results

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    tem 2400 m de cerca e quer cercar um campo retangular que est na margem ... Source: Pereira, Marcone Corra - Departamento de Matemtica, Universidade de So Paulo...

  1. E-Print Network 3.0 - arte na enfermagem Sample Search Results

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

    2001 a 2004, na perspectiva da aderncia dos cursos de graduao em Enfermagem, Medicina e... , Educao Fsica, Enfermagem, Farmcia, ... Source: Hanazaki, Natalia -...

  2. High precision measurements of Na-26 beta(-) decay

    E-Print Network [OSTI]

    Grinyer, GF; Svensson, CE; Andreoiu, C.; Andreyev, AN; Austin, RAE; Ball, GC; Chakrawarthy, RS; Finlay, P.; Garrett, PE; Hackman, G.; Hardy, John C.; Hyland, B.; Iacob, VE; Koopmans, KA; Kulp, WD; Leslie, JR; Macdonald, JA; Morton, AC; Ormand, WE; Osborne, CJ; Pearson, CJ; Phillips, AA; Sarazin, F.; Schumaker, MA; Scraggs, HC; Schwarzenberg, J.; Smith, MB; Valiente-Dobon, JJ; Waddington, JC; Wood, JL; Zganjar, EF.

    2005-01-01T23:59:59.000Z

    PHYSICAL REVIEW C 71, 044309 (2005) High precision measurements of 26Na ?? decay G. F. Grinyer,1,? C. E. Svensson,1 C. Andreoiu,1 A. N. Andreyev,2 R. A. E. Austin,3,? G. C. Ball,2 R. S. Chakrawarthy,2 P. Finlay,1 P. E. Garrett,1,2 G. Hackman,2 J.... C. Hardy,4 B. Hyland,1 V. E. Iacob,4 K. A. Koopmans,3 W. D. Kulp,5 J. R. Leslie,6 J. A. Macdonald,2 A. C. Morton,2 W. E. Ormand,7 C. J. Osborne,2 C. J. Pearson,2 A. A. Phillips,1 F. Sarazin,2,? M. A. Schumaker,1 H. C. Scraggs,2,? J. Schwarzenberg,8...

  3. This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Security, LLC, Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344

    E-Print Network [OSTI]

    This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Security, LLC, Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344 LLNL Vulcan TAW Helen Trident Texas Vulcan PW LULI 2000 TITAN Gekko XII FIREX I NIF ARC Quad OMEGA EP PETAL

  4. n-Selective Single Capture Following Xe{sup 18+} And Xe{sup 54+} Impact On Na(3s) And Na*(3p)

    SciTech Connect (OSTI)

    Otranto, S. [CONICET and Dto. de Fisica, Universidad Nacional del Sur, 8000 Bahia Blanca (Argentina); Olson, R. E. [Physics Department, Missouri University of Science and Technology, Rolla, MO 65401 (United States); Hasan, V. G.; Hoekstra, R. [KVI-Atomic and Molecular Physics, University of Groeningen (Netherlands)

    2011-06-01T23:59:59.000Z

    State selective single charge exchange n-level cross sections are calculated for collisions of Xe18+ and Xe54+ ions with Na(3s) and Na*(3p) over the energy range of 0.1 to 10.0 keV/amu. The CTMC method is used which includes all two-body interactions. Experimental state-selective cross sections and their corresponding transverse momentum spectra for Xe18+ are found to be in reasonable accord with the calculations.

  5. MSSBAUER STUDIES OF NaFeS2 : MAGNETIC HYPERFINE FIELDS AND COVALENCY IN MFeS2 COMPOUNDS (M=Na, K, Rb, Cs) (*)

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    'étude Mössbauer de NaFeS2, de la température ambiante à celle de l'hélium liquide, révèle la présence d. Abstract. 2014 Mössbauer studies of NaFeS2 from room temperature down to liquid helium tem- perature. The temperature stability was ± 2 °C. The samples were prepared by fusing iron powder with sodium carbonate

  6. Molecular dynamics investigation of Na{sup +} in Na{sub 2}Ni{sub 2}TeO{sub 6}

    SciTech Connect (OSTI)

    Sau, Kartik, E-mail: padmakumarp@iitg.ernet.in; Kumar, P. Padma, E-mail: padmakumarp@iitg.ernet.in [Department of Physics, Indian Institute of Technology Guwahati, Guwahati-781039 (India)

    2014-04-24T23:59:59.000Z

    An inter-atomic potential for Na{sub 2}Ni{sub 2}TeO{sub 6} in the Parrinello- Rahman-Vashishta (PRV) model is parameterized empirically. The potential reproduces variety of structural and transport properties of that material in good agreement with recent experimental results. The study provides fresh insights on the migration channels and mechanism of Na{sup +} in the system.

  7. Modeling of Hydrogen Storage Materials: A Reactive Force Field for NaH

    E-Print Network [OSTI]

    Goddard III, William A.

    Modeling of Hydrogen Storage Materials: A Reactive Force Field for NaH Ojwang' J.G.O.*, Rutger van is the fall in potential energy surface during heating. Keywords: hydrogen storage, reactive force field governing hydrogen desorption in NaH. During the abstraction process of surface molecular hydrogen charge

  8. E-Print Network 3.0 - anemia na ancylostomose Sample Search Results

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

    (NETN without EDTA, supplemented with calcium: 20 mM Tris pH 8, 150 mM NaCl, 10 mM CaCl2, 0.1% NP... M NaCl, 10 mM imidazole, 10% glycerol, 1 mM AEBSF, 0.1% b-mercaptoethanol)...

  9. The Catalytic Chemistry of HCN+NO over Na- and Ba-Y, FAU: An...

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

    The Catalytic Chemistry of HCN+NO over Na- and Ba-Y, FAU: An In Situ FTIR and TPDTPR Study. The Catalytic Chemistry of HCN+NO over Na- and Ba-Y, FAU: An In Situ FTIR and TPDTPR...

  10. Departamento de Electronica e Sistemas Grupo de Arquitectura de Computadores Universidade da Coru~na

    E-Print Network [OSTI]

    Fraguela, Basilio B.

    Departamento de Electr´onica e Sistemas Grupo de Arquitectura de Computadores Universidade da Coru;Departamento de Electr´onica e Sistemas Grupo de Arquitectura de Computadores Universidade da Coru~na AC LUCEH;Departamento de Electr´onica e Sistemas Grupo de Arquitectura de Computadores Universidade da Coru~na AC LUCEH

  11. Spectroscopy of $^{28}$Na: shell evolution toward the drip line

    E-Print Network [OSTI]

    Lepailleur, A; Mutschler, A; Sorlin, O; Bader, V; Bancroft, C; Barofsky, D; Bastin, B; Baugher, T; Bazin, D; Bildstein, V; Borcea, C; Borcea, R; Brown, B A; Caceres, L; Gade, A; Gaudefroy, L; Grévy, S; Grinyer, G F; Iwasaki, H; Khan, E; Kröll, T; Langer, C; Lemasson, A; Llidoo, O; Lloyd, J; Negoita, F; Santos, F de Oliveira; Perdikakis, G; Recchia, F; Redpath, T; Roger, T; Rotaru, F; Saenz, S; Saint-Laurent, M -G; Smalley, D; Sohler, D; Stanoiu, M; Stroberg, S R; Thomas, J C; Vandebrouck, M; Weisshaar, D; Westerberg, A

    2015-01-01T23:59:59.000Z

    Excited states in $^{28}$Na have been studied using the $\\beta$-decay of implanted $^{28}$Ne ions at GANIL/LISE as well as the in-beam $\\gamma$-ray spectroscopy at the NSCL/S800 facility. New states of positive (J$^{\\pi}$=3,4$^+$) and negative (J$^{\\pi}$=1-5$^-$) parity are proposed. The former arise from the coupling between 0d$\\_{5/2}$ protons and a 0d$\\_{3/2}$ neutron, while the latter are due to couplings with 1p$\\_{3/2}$ or 0f$\\_{7/2}$ neutrons. While the relative energies between the J$^{\\pi}$=1-4$^+$ states are well reproduced with the USDA interaction in the N=17 isotones, a progressive shift in the ground state binding energy (by about 500 keV) is observed between $^{26}$F and $^{30}$Al. This points to a possible change in the proton-neutron 0d$\\_{5/2}$-0d$\\_{3/2}$ effective interaction when moving from stability to the drip line. The presence of J$^{\\pi}$=1-4$^-$ negative parity states around 1.5 MeV as well as of a candidate for a J$^{\\pi}$=5$^-$ state around 2.5 MeV give further support to the col...

  12. Synthesis and crystal structure of new layered BaNaSc(BO{sub 3}){sub 2} and BaNaY(BO{sub 3}){sub 2} orthoborates

    SciTech Connect (OSTI)

    Seryotkin, Yurii V., E-mail: yuvs@uiggm.nsc.r [Institute of Geology and Mineralogy RAS, 3, Koptyuga avenue, 630090 Novosibirsk (Russian Federation); Novosibirsk State University, 2, Pirogova street, 630090 Novosibirsk (Russian Federation); Bakakin, Vladimir V. [Institute of Inorganic Chemistry RAS, 3, Lavrentieva avenue, 630090 Novosibirsk (Russian Federation); Kokh, Aleksandr E.; Kononova, Nadezhda G. [Institute of Geology and Mineralogy RAS, 3, Koptyuga avenue, 630090 Novosibirsk (Russian Federation); Svetlyakova, Tatyana N. [Institute of Geology and Mineralogy RAS, 3, Koptyuga avenue, 630090 Novosibirsk (Russian Federation); Novosibirsk State University, 2, Pirogova street, 630090 Novosibirsk (Russian Federation); Kokh, Konstantin A. [Institute of Geology and Mineralogy RAS, 3, Koptyuga avenue, 630090 Novosibirsk (Russian Federation); Drebushchak, Tatyana N. [Novosibirsk State University, 2, Pirogova street, 630090 Novosibirsk (Russian Federation); Institute of Solid State Chemistry and Mechanochemistry RAS, 18, Kutateladze street, 630128 Novosibirsk (Russian Federation)

    2010-05-15T23:59:59.000Z

    Crystals of two new layered BaNaSc(BO{sub 3}){sub 2} (I) and BaNaY(BO{sub 3}){sub 2} (II) orthoborates are grown from the melt-solution by the spontaneous crystallization onto the platinum loop. Single crystal X-ray analysis showed that the compounds are isostructural with the space group R3-bar, a=5.23944(12) and 5.3338(2) A, and c=34.5919(11) and 35.8303(19) A for I and II, respectively, Z=6. The distinctive feature of the structure is the close-packed composite anion-cation (Ba,Na)(BO{sub 3}) layers. The layers are combined into the base building packages of two types: {l_brace}M{sup 3+}[Ba{sup 2+}(BO{sub 3}){sup 3-}]{sub 2}{r_brace}{sup +} and {l_brace}M{sup 3+}[Na{sup +}(BO{sub 3}){sup 3-}]{sub 2}{r_brace}{sup -}, where M is Sc or Y. Neutral-charge two-package (four-layer) blocks are stacked by the rhombohedral principle into twelve layers of the cubic packing. - Graphical abstract: The distinctive feature of new orthoborate crystals BaNaSc(BO{sub 3}){sub 2} and BaNaY(BO{sub 3}){sub 2} is the combination of base building packages of two types: {l_brace}M{sup 3+}[Ba{sup 2+}(BO{sub 3}){sup 3-}]{sub 2}{r_brace}{sup +} and {l_brace}M{sup 3+}[Na{sup +}(BO{sub 3}){sup 3-}]{sub 2}{r_brace}{sup -}, where M is Sc or Y.

  13. Der Briefwechsel zwischen Sidonie Na?dherny? und Albert Bloch : September 1947-September 1950 : mit einer Einfu?hrung in die Widmungsgedichte von Karl Kraus an Sidonie Na?dherny?

    E-Print Network [OSTI]

    Champion, Elke Lorenz

    1998-01-01T23:59:59.000Z

    Die Aufgabe dieser Arbeit besteht darin, Sidonie Na?dherny? Einfluß auf das Werk von Karl Kraus, vor allem auf seine Lyrik, an Hand der Albert Bloch/Sidonie Na?dherny?-Korrespondenz auszuwerten. Neben den eigentlichen ...

  14. Zoogeography and systematics of the shallow water echinodermata of Texas

    E-Print Network [OSTI]

    Pomory, Christopher Mark

    2012-06-07T23:59:59.000Z

    , Curacao, Florida, Jamaica, Mexico, sippi, Montserrat, North Carolina, Puerto Rico, South na, St. Thomas, Surinam, Texas, Venezuela, West Africa 15), Bathymetric range - to 80 M, Discus but do sion: This species is not as common as L. clathrata, es...

  15. Assessment of the release of atomic Na from a burning black liquor droplet using quantitative PLIF

    SciTech Connect (OSTI)

    Saw, Woei L.; Nathan, Graham J. [Centre for Energy Technology, The Environment Institute, School of Mechanical Engineering, The University of Adelaide, SA 5005 (Australia); Ashman, Peter J.; Alwahabi, Zeyad T. [Centre for Energy Technology, The Environment Institute, School of Chemical Engineering, The University of Adelaide, SA 5005 (Australia)

    2009-07-15T23:59:59.000Z

    The quantitative measurement of atomic sodium (Na) release, at high concentration, from a burning black liquor droplet has been demonstrated using a planar laser-induced fluorescence (PLIF) technique, corrected for fluorescence trapping. The local temperature of the particle was measured to be approximately 1700 C, at a height of 10 mm above a flat flame burner. The PLIF technique was used to assess the temporal release of atomic Na from the combustion of black liquor and compare it with the Na concentration in the remaining smelt. A first-order model was made to provide insight using a simple Plug Flow Reactor model based on the independently measured concentration of residual Na in the smelt as a function of time. This model also required the dilution ratio of the combustion products in the flat flame entrained into the plume gas from the black liquor particle to be estimated. The key findings of these studies are: (i) the peak concentration of atomic Na from the combustion of the black liquor droplets is around 1.4 ppm; (ii) very little atomic Na is present during the drying, devolatilisation or char combustion stages; and (iii) the presence of atomic Na during smelt phase dominates over that from the other combustion stages. (author)

  16. Investigation of the Effects of Biodiesel-based Na on Emissions Control Components

    SciTech Connect (OSTI)

    Brookshear, D. William [University of Tennessee, Knoxville (UTK); Nguyen, Ke [University of Tennessee, Knoxville (UTK); Toops, Todd J [ORNL; Bunting, Bruce G [ORNL; Howe, Janet E [ORNL

    2012-01-01T23:59:59.000Z

    A single-cylinder diesel engine was used to investigate the impact of biodiesel-based Na on emissions control components using specially blended 20% biodiesel fuel (B20). The emissions control components investigated were a diesel oxidation catalyst (DOC), a Cu-zeolite-based NH{sub 3}-SCR (selective catalytic reduction) catalyst, and a diesel particulate filter (DPF). Both light-duty vehicle, DOC-SCR-DPF, and heavy-duty vehicle, DOC-DPF-SCR, emissions control configurations were employed. The accelerated Na aging is achieved by introducing elevated Na levels in the fuel, to represent full useful life exposure, and periodically increasing the exhaust temperature to replicate DPF regeneration. To assess the validity of the implemented accelerated Na aging protocol, engine-aged lean NO{sub x} traps (LNTs), DOCs and DPFs are also evaluated. To fully characterize the impact on the catalytic activity the LNT, DOC and SCR catalysts were evaluated using a bench flow reactor. The evaluation of the aged DOC samples and LNT show little to no deactivation as a result of Na contamination. However, the SCR in the light-duty configuration (DOC-SCR-DPF) was severely affected by Na contamination, especially when NO was the only fed NO{sub x} source. In the heavy-duty configuration (DOC-DPF-SCR), no impact is observed in the SCR NO{sub x} reduction activity. Electron probe micro-analysis (EPMA) reveals that Na contamination on the LNT, DOC, and SCR samples is present throughout the length of the catalysts with a higher concentration on the washcoat surface. In both the long-term engine-aged DPF and the accelerated Na-aged DPFs, there is significant Na ash present in the upstream channels; however, in the engine-aged sample lube oil-based ash is the predominant constituent.

  17. Spectroscopy of $^{28}$Na: shell evolution toward the drip line

    E-Print Network [OSTI]

    A. Lepailleur; K. Wimmer; A. Mutschler; O. Sorlin; V. Bader; C. Bancroft; D. Barofsky; B. Bastin; T. Baugher; D. Bazin; V. Bildstein; C. Borcea; R. Borcea; B. A. Brown; L. Caceres; A. Gade; L. Gaudefroy; S. Grévy; G. F. Grinyer; H. Iwasaki; E. Khan; T. Kröll; C. Langer; A. Lemasson; O. Llidoo; J. Lloyd; F. Negoita; F. de Oliveira Santos; G. Perdikakis; F. Recchia; T. Redpath; T. Roger; F. Rotaru; S. Saenz; M. -G. Saint-Laurent; D. Smalley; D. Sohler; M. Stanoiu; S. R. Stroberg; J. C. Thomas; M. Vandebrouck; D. Weisshaar; A. Westerberg

    2015-03-30T23:59:59.000Z

    Excited states in $^{28}$Na have been studied using the $\\beta$-decay of implanted $^{28}$Ne ions at GANIL/LISE as well as the in-beam $\\gamma$-ray spectroscopy at the NSCL/S800 facility. New states of positive (J$^{\\pi}$=3,4$^+$) and negative (J$^{\\pi}$=1-5$^-$) parity are proposed. The former arise from the coupling between 0d$\\_{5/2}$ protons and a 0d$\\_{3/2}$ neutron, while the latter are due to couplings with 1p$\\_{3/2}$ or 0f$\\_{7/2}$ neutrons. While the relative energies between the J$^{\\pi}$=1-4$^+$ states are well reproduced with the USDA interaction in the N=17 isotones, a progressive shift in the ground state binding energy (by about 500 keV) is observed between $^{26}$F and $^{30}$Al. This points to a possible change in the proton-neutron 0d$\\_{5/2}$-0d$\\_{3/2}$ effective interaction when moving from stability to the drip line. The presence of J$^{\\pi}$=1-4$^-$ negative parity states around 1.5 MeV as well as of a candidate for a J$^{\\pi}$=5$^-$ state around 2.5 MeV give further support to the collapse of the N=20 gap and to the inversion between the 0f$\\_{7/2}$ and 1p$\\_{3/2}$ levels below Z=12. These features are discussed in the framework of Shell Model and EDF calculations, leading to predicted negative parity states in the low energy spectra of the $^{26}$F and $^{25}$O nuclei.

  18. Intracellular Sequestration of Sodium by a Novel Na /H Exchanger in Yeast Is Enhanced by Mutations in the

    E-Print Network [OSTI]

    Rao, Rajini

    membrane Na /K -ATPase, a P-type ion pump, that drives Na ions out of the cell in exchange for K ions (1). The resultant Na gradient serves as the primary energy source for the transport of other ions and metabolites threat to agricultural production worldwide (4, 5). Because of a basic similarity in ion transport

  19. Balancing SoNaR: IPR versus Processing Issues in a 500-Million-Word Written Dutch Reference Corpus

    E-Print Network [OSTI]

    Tilburg, Universiteit van

    Balancing SoNaR: IPR versus Processing Issues in a 500-Million-Word Written Dutch Reference Corpus included in SoNaR will have its IPR issues settled to the largest extent possible. This data collection lead to the creation of two corpora: a gigaword SoNaR, IPR-cleared for research purposes

  20. Non-oxidative reactions of propane on Zn/Na-ZSM5 Joseph A. Biscardi and Enrique Iglesia*

    E-Print Network [OSTI]

    Iglesia, Enrique

    Non-oxidative reactions of propane on Zn/Na-ZSM5 Joseph A. Biscardi and Enrique Iglesia* Department rates during propane conversion at 773 K on Zn/Na-ZSM5 are about ten times higher than on Zn/H-ZSM5 catalysts with similar Zn content. The total rate of propane conversion is also higher on Zn/Na-ZSM5

  1. E-Print Network 3.0 - anp na reducao Sample Search Results

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

    BY ANP high Na intake volume expansion normal L 2 0 IL- , 11----y7 --, 1 10 100 ANP infusion r-ate (rig... Physiological concentrations of ANP exert a dual regulatory influence...

  2. High Density Hydrogen Storage System Demonstration Using NaAlH4

    E-Print Network [OSTI]

    High Density Hydrogen Storage System Demonstration Using NaAlH4 Complex Compound Hydrides D. Mosher based storage systems, especially those which differ from conventional metal hydride systems, to meet

  3. E-Print Network 3.0 - agroflorestal na zona Sample Search Results

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

    9 tS5N: 0214-4557Fsica de La flerra 1998, n.' 10: 221-255 Summary: una consecuen- cia directa de la subduccin de la placa de Nazca bajo la placa Sudamerica- na. Si se......

  4. Search for beta -delayed three-neutron emission frum /sup 31/Na

    E-Print Network [OSTI]

    Détraz, C; Epherre-Rey-Campagnolle, Marcelle; Guillemaud, D; Klapisch, Robert; Langevin, M; Naulin, F; Thibault, C; Touchard, F

    1981-01-01T23:59:59.000Z

    An upper limit P/sub 3n/<5*10/sup -4/ is found for the branching ratio of the beta -delayed three-neutron emission from /sup 31/Na. (5 refs).

  5. Thermochemistry of phosphorus oxynitrides: PON and LiNaPON glasses

    SciTech Connect (OSTI)

    Tessier, F.; Navrotsky, A.; Le Sauze, A.; Marchand, R.

    2000-01-01T23:59:59.000Z

    High-temperature solution calorimetry has been very useful in elucidating the energetics of many oxide materials. Recently, a sodium molybdate melt, 3Na{sub 2}O{center{underscore}dot}4MoO{sub 3}, has been shown to be very effective for nitride calorimetry. This methodology has now been used to determine the energetics of formation of phosphorus oxynitride PON samples and of a series of LiNaPON oxynitride glasses. The magnitude of the energetics of nitrogen/oxygen substitution within PON and LiNaPON glasses has been correctly evaluated by using N-N, O-O, P-N, and P-O bond strengths. The in-situ precipitation of metallic particles from corresponding oxides in LiNaPON glasses has been predicted from high-temperature solution calorimetry results and appropriate thermodynamic cycles. The results constitute the first set of energetic data on nitridophosphates.

  6. Termination and complexity bounds for SAFE programs Salvador Lucas Ricardo Pe~na

    E-Print Network [OSTI]

    Lucas, Salvador

    Termination and complexity bounds for SAFE programs Salvador Lucas Ricardo Pe~na Dep. de Sistemas partially supported by the EU (FEDER) and the Spanish MEC, under grant TIN 2004-7943- C04. Salvador Lucas

  7. E-Print Network 3.0 - al2o3 na obraztsakh Sample Search Results

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

    the percentage of Al2O3 in (Al2O3 CaO Na2O K2O)) (Nesbitt... and Young, 1982), Vogt (1927) ratio (VR, defined as ... Source: Utrecht, Universiteit - Faculty of Earth...

  8. E-Print Network 3.0 - atmosferica na regiao Sample Search Results

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

    48 Analise Matematica IV Licenciaturas: Eng. Ambiente, Eng. Biologica, Eng. Quimica, Quimica Summary: regular, contida na regiao z C : 3 < Re(z) < 3 D(f), e tal que...

  9. Catalytic Effect of Ti for Hydrogen Cycling in NaAlH4

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

    + 2AlH 3 3 NaAlH 4 M. Mamula et al., Coll. Czechoslov. Chem. Commun. 32, 884 (1967). Atomic Hydrogen Interacting with Al Surfaces "H adsorption and the formation of alane...

  10. Preparação de híbridos metal/carbono por carbonização hidrotérmica para aplicação na oxidação eletroquímica de metanol.

    E-Print Network [OSTI]

    Marcelo Marques Tusi

    2010-01-01T23:59:59.000Z

    ??Neste trabalho foram preparados híbridos PtRu/Carbono e Ni/Carbono pelo método da carbonização hidrotérmica para aplicação na oxidação eletroquímica do metanol. Nesse processo, uma fonte de… (more)

  11. E-Print Network 3.0 - anemia falciforme na Sample Search Results

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

    page (22-502 Summary: STUDIES OF FERRITIN-LIKE IRON I N RED BLOOD CELLS OF THALASSEMIA, SICKLE-CELL ANEMIA AND HEMOGLOBIN... . Aucune quan- tit6 de fer du type ferritine n'a btC...

  12. E-Print Network 3.0 - anemia materna na Sample Search Results

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

    page (22-502 Summary: STUDIES OF FERRITIN-LIKE IRON I N RED BLOOD CELLS OF THALASSEMIA, SICKLE-CELL ANEMIA AND HEMOGLOBIN... . Aucune quan- tit6 de fer du type ferritine n'a btC...

  13. Kinetic Study of Heterogeneous Reaction of Deliquesced NaCI Particles...

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

    (1.1 ? Gaseous HNO3 uptake coefficient peaks around a relative humidity of 55%, with ?net 3 on sea salt particles was more rapid than that on the mixture of NaCl and...

  14. E-Print Network 3.0 - atheriniformes atherinopsidae na Sample...

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

    (RS; bp), number of alleles (NA), average observed heterozygosity (HO), and average FIS and FST... This study Primer Sequence (5-3; Feldheim et al. in prep.) TA (C) RN RS...

  15. Seismic Risk Assessment of Port Facilities Ung Jin Na, Samit Ray Chaudhuri

    E-Print Network [OSTI]

    Shinozuka, Masanobu

    Seismic Risk Assessment of Port Facilities Ung Jin Na, Samit Ray Chaudhuri Faculty Advisor : Prof Estimation Methodology Applications (in progress) Port of Long Beach · Seismic Risk Assessment, Decision & Vertical movement, Settlement of Apron Seismic Vulnerability - quay Wall

  16. Impact of Biodiesel-Based Na on the Selective Catalytic Reduction...

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

    Biodiesel-Based Na on the Selective Catalytic Reduction (SCR) of NO x Using Cu-zeolite D. William Brookshear 1 , Todd J. Toops 2 , William Rohr 1 , Ke Nguyen 1 , and Bruce G....

  17. E-Print Network 3.0 - alteracoes na sintese Sample Search Results

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

    de Movimento na etapa de s'intese, por'em devemos notar que os parametros gerados neste processo n... uma s'erie de etapas, que vao desde a s'intese dos dados de movimento,...

  18. E-Print Network 3.0 - achados na artroscopia Sample Search Results

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

    Page: << < 1 2 3 4 5 > >> 1 Tera-feira, 17 de maio de 2011 Summary: universidades do Brasil e do exterior revelaram numerosos achados. Os mais recentes aconteceram na Expedio...

  19. E-Print Network 3.0 - achados na tomografia Sample Search Results

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

    Page: << < 1 2 3 4 5 > >> 1 Tera-feira, 17 de maio de 2011 Summary: universidades do Brasil e do exterior revelaram numerosos achados. Os mais recentes aconteceram na Expedio...

  20. E-Print Network 3.0 - anjos na escola Sample Search Results

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

    Ttulo do trabalho Eixo Situao Summary: na escola. 6 Aceito 8 MARIA DE FTIMA PEREIRA DE FREITAS No consta o ttulo 4 Aceito 9 MARILEA DE... Reestruturao do ensino...

  1. E-Print Network 3.0 - artificiais na monitoracao Sample Search...

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

    Operacional, v.26, n.1, p.1-24, Janeiro a Abril de 2006 1 Summary: inspiradas na tomografia computadorizada que emitem radiao ao longo de todo o corpo do paciente 15......

  2. Increase of ionic conductivity in the microporous lithosilicate RUB-29 by Na-ion exchange processes

    SciTech Connect (OSTI)

    Park, S.-H. [Section Crystallography, Earth and Environmental Sciences, Ludwig-Maximilians-Universitaet Muenchen, Theresienstr. 41, 80333 Munich (Germany)], E-mail: sohyun.park@lmu.de; Senyshyn, A. [Material- and Earth Sciences, Technische Universitaet Darmstadt, Petersenstr. 23, 64287 Darmstadt (Germany); Forschungsneutronenquelle Heinz Maier-Leibnitz (FRM II), Lichtenbergstr. 1, 85747 Garching (Germany); Paulmann, C. [Mineralogisch-Petrographisches Institut, Universitaet Hamburg, Grindelallee 48, 20146 Hamburg (Germany); HASYLAB, DESY, Notkestr. 85, 22603 Hamburg (Germany)

    2007-12-15T23:59:59.000Z

    The ionic conductivity in the zeolite-like lithosilicate RUB-29 (Cs{sub 14}Li{sub 24}[Li{sub 18}Si{sub 72}O{sub 172}].14H{sub 2}O [S.-H. Park, J.B. Parise, H. Gies, H. Liu, C.P. Grey, B.H. Toby, J. Am. Chem. Soc. 122 (2000) 11023-11024]) increases via simple ion-exchange processes, in particular when Na cations replace a part of Cs{sup +} and Li{sup +} of the material. The resulting ionic conductivity value of 3.2x10{sup -3} S cm{sup -1} at 885 K is about two orders higher than that for the original material [S.-H. Park, J.B. Parise, M.E. Franke, T. Seydel, C. Paulmann, Micropor. Mesopor. Mater., in print ( (doi:10.1016/j.micromeso.2007.03.040) available online since April 19, 2007)]. The structural basis of a Na{sup +}-exchanged RUB-29 sample (Na-RUB-29) at 673 K could be elucidated by means of neutron powder diffraction. Rietveld refinements confirmed the replacement of Na{sup +} for both parts of Cs and Li cations, agreeing with idealized cell content, Na{sub 8}Cs{sub 8}Li{sub 40}Si{sub 72}O{sub 172}. As a result of the incorporation of Na{sup +} in large pores, the number of Li{sup +} vacancies in dense Li{sub 2}O-layers of the structure could increase. This can be one of the main reasons for the improved conductivity in Na-RUB-29. In addition, mobile Na cations may also contribute to the conductivity in Na-RUB-29 as continuous scattering length densities were found around the sites for Na in difference Fourier map. - Graphical abstract: Li{sub 2}O-layers formed by edge- and corner-sharing LiO{sub 4}- and LiO{sub 3}-moieties in the zeolite-like lithosilicate RUB-29 provide optimal pathways for conducting Li{sup +}. The number of empty Li sites in this layer-like configuration could increase via 'simple' Na{sup +}-exchange processes, promoting fast Li motions.

  3. Carbon monoxide adsorption/desorption processes over NaX zeolite and supported ruthenium catalyst

    SciTech Connect (OSTI)

    Kamble, V.S.; Gupta, N.M.; Iyer, R.M. (Bhabha Atomic Research Centre, Bombay (India))

    1988-10-01T23:59:59.000Z

    The binding states of CO on NaX zeolite and RuNaX were investigated by thermal desorption spectroscopy. Desorption peaks centered at around 390, 430, 490, and 520 K were observed from NaX following room-temperature adsorption of CO. The activation energy values corresponding to these peaks were calculated to be 41.4, 45.7, 53.8, and 57.7 kJ mol{sup {minus}1}, respectively. These peaks were also observed in desorption profiles from RuNaX although their temperatures were higher by 10 to 20 K. In addition, the desorption spectra from RuNaX also comprise two high-temperature peaks at around 575 and 640 K. With both the RuNaX and the NaX samples the temperature and relative intensities of the desorption peaks depended on pretreatment conditions and on the lapsed time between CO exposure to the sample and the commencement of programmed heating. Mass spectral analysis revealed that the gas desorbed at 300-500 K consisted mainly of CO while at higher temperatures CO{sub 2} was the main component. The desorption peaks below 500 K are attributed to the release of carbon monoxide from structural and intragranular or intergranular zeolitic pores. Lewis sites on the zeolite surface are found to facilitate activation of CO, resulting in its transformation to CO{sub 2}. The initial adsorption of carbon monoxide in zeolite pores and subsequent diffusion to metal sites leading to its disproportionation/oxidation is found to play an important role in the CO adsorption/desorption process on RuNaX.

  4. Crnica da III Feira da Sustentabilidade na UDC. Feira de Nadal 2012

    E-Print Network [OSTI]

    Fraguela, Basilio B.

    Crónica da III Feira da Sustentabilidade na UDC. Feira de Nadal 2012 O pasado mércores 12 de universitaria a asistir á III Feira de Sustentabilidade que tivo lugar na Facultade de Economía e Empresa Sustentabilidade foi unha charla-debate en que Raúl Asegurado, presidente da Asociación Fiare Galiza, explicou en

  5. ISSN 0103-1538 4231 MONITORAMENTO DOS FOCOS DE CALOR NA REGIO SUL DO BRASIL

    E-Print Network [OSTI]

    ISSN 0103-1538 4231 MONITORAMENTO DOS FOCOS DE CALOR NA REGI�O SUL DO BRASIL Instituto Nacional de monitorar a distribuição dos focos de calor na região sul do Brasil, entre os anos de 2003 a 2007, através, Geotecnologias, Região Sul do Brasil. RESUMEN Las quemadas pueden ser causadas de forma natural o por influencia

  6. SISTEMATIZAO DE OCORRNCIAS DE DESASTRES NATURAIS NA REGIO SUL DO BRASIL EM 2011

    E-Print Network [OSTI]

    Página1 SISTEMATIZA��O DE OCORR�NCIAS DE DESASTRES NATURAIS NA REGI�O SUL DO BRASIL EM 2011 Janete Aplicação de Geotecnologias para Desastres Naturais e Eventos Extremos para a Região Sul do Brasil e forma, a pesquisa tem como objetivo analisar os eventos de desastres naturais na Região Sul do Brasil em

  7. Supporting information for: Na-doped p-type ZnO , Faxian Xiu2

    E-Print Network [OSTI]

    Yang, Zheng

    S1 Supporting information for: Na-doped p-type ZnO microwires Wei Liu1* , Faxian Xiu2 , Ke Sun1 flow was switched to argon followed by cooling to room temperature. After the growth, high-density Zn distribution of the Na Doped ZnO microwire 1.3 EDX line scans spectra #12;S3 Figure S3 a) a typical TEM image

  8. Portugal lidera consrcio envolvido na produo de "energia limpa, segura e abundante"

    E-Print Network [OSTI]

    Instituto de Sistemas e Robotica

    Portugal lidera consórcio envolvido na produção de "energia limpa, segura e abundante" Autor: Data) - A produção de eletricidade a partir de fusão nuclear, considerada uma fonte de energia limpa, abundante e lidera consórcio envolvido na produção de "energia limpa, seg... http://sicnoticias.sapo.pt/Lusa/2013

  9. Stabilisation of Na,K-ATPase structure by the cardiotonic steroid ouabain

    SciTech Connect (OSTI)

    Miles, Andrew J. [Institute of Structural and Molecular Biology, Birkbeck College, University of London, London WC1E 7HX (United Kingdom)] [Institute of Structural and Molecular Biology, Birkbeck College, University of London, London WC1E 7HX (United Kingdom); Fedosova, Natalya U. [Department of Biomedicine, Aarhus University, DK-8000 Aarhus (Denmark)] [Department of Biomedicine, Aarhus University, DK-8000 Aarhus (Denmark); Hoffmann, Søren V. [ISA, Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus (Denmark)] [ISA, Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus (Denmark); Wallace, B.A. [Institute of Structural and Molecular Biology, Birkbeck College, University of London, London WC1E 7HX (United Kingdom)] [Institute of Structural and Molecular Biology, Birkbeck College, University of London, London WC1E 7HX (United Kingdom); Esmann, Mikael, E-mail: me@biophys.au.dk [Department of Biomedicine, Aarhus University, DK-8000 Aarhus (Denmark)] [Department of Biomedicine, Aarhus University, DK-8000 Aarhus (Denmark)

    2013-05-31T23:59:59.000Z

    Highlights: •Ouabain binding to pig and shark Na,K-ATPase enhances thermal stability. •Ouabain stabilises both membrane-bound and solubilised Na,K-ATPase. •Synchrotron radiation circular dichroism is used for structure determination. •Secondary structure in general is not affected by ouabain binding. •Stabilisation is due to re-arrangement of tertiary structure. -- Abstract: Cardiotonic steroids such as ouabain bind with high affinity to the membrane-bound cation-transporting P-type Na,K-ATPase, leading to complete inhibition of the enzyme. Using synchrotron radiation circular dichroism spectroscopy we show that the enzyme-ouabain complex is less susceptible to thermal denaturation (unfolding) than the ouabain-free enzyme, and this protection is observed with Na,K-ATPase purified from pig kidney as well as from shark rectal glands. It is also shown that detergent-solubilised preparations of Na,K-ATPase are stabilised by ouabain, which could account for the successful crystallisation of Na,K-ATPase in the ouabain-bound form. The secondary structure is not significantly affected by the binding of ouabain. Ouabain appears however, to induce a reorganization of the tertiary structure towards a more compact protein structure which is less prone to unfolding; recent crystal structures of the two enzymes are consistent with this interpretation. These circular dichroism spectroscopic studies in solution therefore provide complementary information to that provided by crystallography.

  10. Band gap engineering for graphene by using Na{sup +} ions

    SciTech Connect (OSTI)

    Sung, S. J.; Lee, P. R.; Kim, J. G.; Ryu, M. T.; Park, H. M.; Chung, J. W., E-mail: jwc@postech.ac.kr [Department of Physics, Pohang University of Science and Technology, Pohang 790-784 (Korea, Republic of)

    2014-08-25T23:59:59.000Z

    Despite the noble electronic properties of graphene, its industrial application has been hindered mainly by the absence of a stable means of producing a band gap at the Dirac point (DP). We report a new route to open a band gap (E{sub g}) at DP in a controlled way by depositing positively charged Na{sup +} ions on single layer graphene formed on 6H-SiC(0001) surface. The doping of low energy Na{sup +} ions is found to deplete the ?* band of graphene above the DP, and simultaneously shift the DP downward away from Fermi energy indicating the opening of E{sub g}. The band gap increases with increasing Na{sup +} coverage with a maximum E{sub g}?0.70?eV. Our core-level data, C 1s, Na 2p, and Si 2p, consistently suggest that Na{sup +} ions do not intercalate through graphene, but produce a significant charge asymmetry among the carbon atoms of graphene to cause the opening of a band gap. We thus provide a reliable way of producing and tuning the band gap of graphene by using Na{sup +} ions, which may play a vital role in utilizing graphene in future nano-electronic devices.

  11. Magnetic structure of the low-dimensional magnet NaCu{sub 2}O{sub 2}: {sup 63,65}Cu and {sup 23}Na NMR studies

    SciTech Connect (OSTI)

    Sadykov, A. F., E-mail: sadykov@imp.uran.ru; Gerashchenko, A. P.; Piskunov, Yu. V.; Ogloblichev, V. V.; Smol’nikov, A. G.; Verkhovskii, S. V.; Buzlukov, A. L.; Arapova, I. Yu. [Russian Academy of Sciences, Institute of Metal Physics, Ural Branch (Russian Federation); Furukawa, Y. [Iowa State University, Ames Laboratory (United States); Yakubovskii, A. Yu. [National Research Centre Kurchatov Institute (Russian Federation); Bush, A. A. [Moscow State Technical University of Radio Engineering, Electronics, and Automation (Russian Federation)

    2014-11-15T23:59:59.000Z

    The magnetic structure of a quasi-one-dimensional frustrated NaCu{sub 2}O{sub 2} magnet single crystal is studied by NMR. The spatial orientation of the planar spin spirals in the copper-oxygen Cu{sup 2+}-O chains is determined, and its evolution as a function of the applied magnetic field direction is analyzed.

  12. Search for compounds of the NaBaR(BO{sub 3}){sub 2} family (R = La, Nd, Gd, and Yb) and the new NaBaYb(BO{sub 3}){sub 2} orthoborate

    SciTech Connect (OSTI)

    Svetlyakova, T. N., E-mail: svetlyakovatn@gmail.com; Kokh, A. E.; Kononova, N. G. [Russian Academy of Sciences, Sobolev Institute of Geology and Mineralogy, Siberian Branch (Russian Federation)] [Russian Academy of Sciences, Sobolev Institute of Geology and Mineralogy, Siberian Branch (Russian Federation); Fedorov, P. P. [Russian Academy of Sciences, Prokhorov General Physics Institute (Russian Federation)] [Russian Academy of Sciences, Prokhorov General Physics Institute (Russian Federation); Rashchenko, S. V. [Russian Academy of Sciences, Sobolev Institute of Geology and Mineralogy, Siberian Branch (Russian Federation)] [Russian Academy of Sciences, Sobolev Institute of Geology and Mineralogy, Siberian Branch (Russian Federation); Maillard, A. [University of Metz and Supelec, Laboratoire Materiaux Optiques, Photonique et Systemes (France)] [University of Metz and Supelec, Laboratoire Materiaux Optiques, Photonique et Systemes (France)

    2013-01-15T23:59:59.000Z

    A search for compounds of the NaBaR(BO{sub 3}){sub 2} composition (where R = La{sup 3+}, Nd{sup 3+}, Gd{sup 3+}, or Yb{sup 3+}) is performed by solid state synthesis and spontaneous crystallization. A new compound, NaBaYb(BO{sub 3}){sub 2}, is found in this series. It crystallizes in space group R3{sup -} and belongs to the family of sublayer complex orthoborates with isolated BO{sub 3} groups NaBaR(BO{sub 3}){sub 2} (R = Y, Sc, and Yb). Theoretical X-ray powder diffraction patterns of NaBaY(BO{sub 3}){sub 2}, NaBaSc(BO{sub 3}){sub 2}, and NaBaYb(BO{sub 3}){sub 2} are calculated based on single-crystal data.

  13. The synthesis and structural characterization of Na[sub 3]WO[sub 3]N

    SciTech Connect (OSTI)

    Elder, S.H. (Cornell Univ., Ithaca, NY (United States) Institut des MJateriaux de Nantes, Nantes (France)); DiSalvo, F.J. (Cornell Univ., Ithaca, NY (United States)); Parise, J.B. (State Univ. of New York at Stony Brook, Stony Brook, NY (United States)); Hriljac, J.A. (Brookhaven National Lab., Upton, NY (United States)); Richardson, J.W. Jr. (Argonne National Lab., IL (United States))

    1994-01-01T23:59:59.000Z

    The authors report the discovery of a new ternary oxynitride, Na[sub 3]WO[sub 3]N. Na[sub 3]WO[sub 3]N is synthesized by exposing a eutectic melt consisting of 1/2Na[sub 2]O:1Na[sub 2]WO[sub 4] to a flow of ammonia gas at 695[degrees]C. The compound crystallizes in the acentric space group Pmn2[sub 1] with a = 7.2481(3) [angstrom], b = 6.2728(3) [angstrom], and c = 56493(2) [angstrom]. The structure was determined from synchrotron X-ray powder diffraction data and refined using the Rietveld analysis on neutron powder diffraction data. It is isostructural to the low temperature form of Li[sub 3]PO[sub 4] which can be derived from an ordered wurtzite structure-type with all the atoms having tetrahedral coordination. Alternatively, the structure can be described as being [open quotes]salt-like[close quotes] consisting of isolated (WO[sub 3]N)[sup [minus]3] tetrahedral polyanions separated by Na[sup +].

  14. THE Na 8200 Angstrom-Sign DOUBLET AS AN AGE INDICATOR IN LOW-MASS STARS

    SciTech Connect (OSTI)

    Schlieder, Joshua E.; Simon, Michal [Department of Physics and Astronomy, Stony Brook University, Stony Brook, NY 11794 (United States); Lepine, Sebastien; Rice, Emily [Department of Astrophysics, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024 (United States); Fielding, Drummond [Department of Physics and Astronomy, Johns Hopkins University, 366 Bloomberg Center, 3400 North Charles Street, Baltimore, MD 21218 (United States); Tomasino, Rachael, E-mail: michal.simon@stonybrook.edu, E-mail: schlieder@mpia-hd.mpg.de, E-mail: lepine@amnh.org, E-mail: erice@amnh.org, E-mail: dfieldi1@jhu.edu, E-mail: tomas1r@cmich.edu [Department of Physics, Central Michigan University, Mount Pleasant, MI 48859 (United States)

    2012-05-15T23:59:59.000Z

    We investigate the use of the gravity sensitive neutral sodium (Na I) doublet at 8183 Angstrom-Sign and 8195 Angstrom-Sign (Na 8200 Angstrom-Sign doublet) as an age indicator for M dwarfs. We measured the Na doublet equivalent width (EW) in giants, old dwarfs, young dwarfs, and candidate members of the {beta} Pic moving group using medium-resolution spectra. Our Na 8200 A doublet EW analysis shows that the feature is useful as an approximate age indicator in M-type dwarfs with (V - K{sub s}) {>=} 5.0, reliably distinguishing stars older and younger than 100 Myr. A simple derivation of the dependence of the Na EW on temperature and gravity supports the observational results. An analysis of the effects of metallicity shows that this youth indicator is best used on samples with similar metallicity. The age estimation technique presented here becomes useful in a mass regime where traditional youth indicators are increasingly less reliable, is applicable to other alkali lines, and will help identify new low-mass members in other young clusters and associations.

  15. Polyclusters and Substitution Effects in the Na–Au–Ga System: Remarkable Sodium Bonding Characteristics in Polar Intermetallics

    SciTech Connect (OSTI)

    Smetana, Volodymyr [Ames Laboratory; Miller, Gordon J. [Ames Laboratory; Corbett, John D. [Ames Laboratory

    2013-10-18T23:59:59.000Z

    A systematic exploration of Na- and Au-poor parts of the Na–Au–Ga system (less than 15 at. % Na or Au) uncovered several compounds with novel structural features that are unusual for the rest of the system. Four ternary compounds Na1.00(3)Au0.18Ga1.82(1) (I), NaAu2Ga4 (II), Na5Au10Ga16 (III), and NaAu4Ga2 (IV) have been synthesized and structurally characterized by single crystal X-ray diffraction: Na1.00(3)Au0.18Ga1.82(1)(I, P6/mmm, a = 15.181(2), c =9.129(2)Å, Z = 30); NaAu2Ga4 (II, Pnma, a = 16.733(3), b = 4.3330(9), c =7.358(3) Å, Z = 4); Na5Au10Ga16 (III, P63/m, a = 10.754(2), c =11.457(2) Å, Z = 2); and NaAu4Ga2 (IV, P21/c, a = 8.292(2), b = 7.361(1), c =9.220(2)Å, ? = 116.15(3), Z = 4). Compound I lies between the large family of Bergman-related compounds and Na-poor Zintl-type compounds and exhibits a clathrate-like structure containing icosahedral clusters similar to those in cubic 1/1 approximants, as well as tunnels with highly disordered cation positions and fused Na-centered clusters. Structures II, III, and IV are built of polyanionic networks and clusters that generate novel tunnels in each that contain isolated, ordered Na atoms. Tight-binding electronic structure calculations using linear muffin-tin-orbital (LMTO) methods on II, III, IV and an idealized model of I show that all are metallic with evident pseudogaps at the Fermi levels. The integrated crystal orbital Hamilton populations for II–IV are typically dominated by Au–Ga, Ga–Ga, and Au–Au bonding, although Na–Au and Na–Ga contributions are also significant. Sodium’s involvement into such covalency is consistent with that recently reported in Na–Au–M (M = Ga, Ge, Sn, Zn, and Cd) phases.

  16. Caustic Recycle from Hanford Tank Waste Using NaSICON Ceramic Membrane Salt Splitting Process

    SciTech Connect (OSTI)

    Fountain, Matthew S.; Kurath, Dean E.; Sevigny, Gary J.; Poloski, Adam P.; Pendleton, J.; Balagopal, S.; Quist, M.; Clay, D.

    2009-02-20T23:59:59.000Z

    A family of inorganic ceramic materials, called sodium (Na) Super Ion Conductors (NaSICON), has been studied at Pacific Northwest National Laboratory (PNNL) to investigate their ability to separate sodium from radioactively contaminated sodium salt solutions for treating U.S. Department of Energy (DOE) tank wastes. Ceramatec Inc. developed and fabricated a membrane containing a proprietary NAS-GY material formulation that was electrochemically tested in a bench-scale apparatus with both a simulant and a radioactive tank-waste solution to determine the membrane performance when removing sodium from DOE tank wastes. Implementing this sodium separation process can result in significant cost savings by reducing the disposal volume of low-activity wastes and by producing a NaOH feedstock product for recycle into waste treatment processes such as sludge leaching, regenerating ion exchange resins, inhibiting corrosion in carbon-steel tanks, or retrieving tank wastes.

  17. Metal-insulator transition in Na{sub x}WO{sub 3}: Photoemission spectromicroscopy study

    SciTech Connect (OSTI)

    Paul, Sanhita, E-mail: raj@iiserkol.ac.in; Ghosh, Anirudha, E-mail: raj@iiserkol.ac.in; Raj, Satyabrata, E-mail: raj@iiserkol.ac.in [Department of Physical Sciences, Indian Institute of Science Education and Research - Kolkata, Mohanpur Campus, Nadia -741252, West Bengal (India)

    2014-04-24T23:59:59.000Z

    We have investigated the validity of percolation model, which is quite often invoked to explain the metal-insulator transition in sodium tungsten bronzes, Na{sub x}WO{sub 3} by photoelectron spectromicroscopy. The spatially resolved direct spectromicroscopic probing on both the insulating and metallic phases of high quality single crystals of Na{sub x}WO{sub 3} reveals the absence of any microscopic inhomogeneities embedded in the system within the experimental limit. Neither any metallic domains in the insulating host nor any insulating domains in the metallic host have been found to support the validity of percolation model to explain the metal-insulator transition in Na{sub x}WO{sub 3}.

  18. Synthesis, characterization, and electrochemical studies of chemically synthesized NaFePO{sub 4}

    SciTech Connect (OSTI)

    Sun, Ann; Beck, Faith R.; Haynes, Daniel; Poston, James A. Jr.; Narayanana, S.R.; Kumta, Prashant N.; A. Manivannan

    2012-12-01T23:59:59.000Z

    NaFePO{sub 4} is a naturally occurring mineral known as maricite. This compound has not been well characterized or examined for its potential use in battery applications. In the present study, NaFePO{sub 4} has been synthesized via the Pechini process with the resulting sample being characterized by X-ray diffraction (XRD) and thermogravimetric analysis (TGA). Electrochemical properties have been investigated for possible application as a cathode in sodium-ion batteries. Electrodes of these materials were tested in coin cells using LiPF{sub 6} as the electrolyte and lithium metal as the counter electrode. Constant current cycling, cyclic voltammetry, and in situ frequency response analyses were performed. The results obtained demonstrate constant capacity or progressive increase in capacity with the consistently low internal resistance exhibited over consecutive cycles indicating possible application as a lithium analog in Na-ion batteries.

  19. Determination of Na submonolayer adsorption site on Cu(111) by low-energy ion blocking

    SciTech Connect (OSTI)

    Zhang, R.; Makarenko, B. [Department of Chemistry, University of Houston, Houston, Texas 77204 (United States); Bahrim, B. [Department of Chemistry and Physics, Lamar University, Beaumont, Texas 77710 (United States); Rabalais, J. W. [Department of Chemistry, University of Houston, Houston, Texas 77204 (United States); Department of Chemistry and Physics, Lamar University, Beaumont, Texas 77710 (United States)

    2007-09-15T23:59:59.000Z

    The structure of a submonolayer coverage of sodium adsorbed on a Cu(111) surface at room temperature has been investigated using time-of-flight scattering and recoiling spectrometry. The effect of the adsorbed Na atoms on the angular distribution of scattered 2 keV H{sup +} ions is analyzed by molecular dynamics and scattering and recoiling imaging code simulations. It is shown that at a coverage {theta}=0.25 monolayer, Na atoms preferentially populate the fcc threefold surface sites with a height of 2.7{+-}0.1 A above the first-layer Cu atoms. At a lower coverage of {theta}=0.10 ML, there is no adsorption site preference for the Na atoms on the Cu(111) surface.

  20. Modeling the diffusion of Na+ in compacted water-saturated Na-bentonite as a function of pore water ionic strength

    SciTech Connect (OSTI)

    Bourg, I.C.; Sposito, G.; Bourg, A.C.M.

    2008-08-15T23:59:59.000Z

    Assessments of bentonite barrier performance in waste management scenarios require an accurate description of the diffusion of water and solutes through the barrier. A two-compartment macropore/nanopore model (on which smectite interlayer nanopores are treated as a distinct compartment of the overall pore space) was applied to describe the diffusion of {sup 22}Na{sup +} in compacted, water-saturated Na-bentonites and then compared with the well-known surface diffusion model. The two-compartment model successfully predicted the observed weak ionic strength dependence of the apparent diffusion coefficient (D{sub a}) of Na{sup +}, whereas the surface diffusion model did not, thus confirming previous research indicating the strong influence of interlayer nanopores on the properties of smectite clay barriers. Since bentonite mechanical properties and pore water chemistry have been described successfully with two-compartment models, the results in the present study represent an important contribution toward the construction of a comprehensive two-compartment model of compacted bentonite barriers.

  1. Estimativa do recurso contingente dos folhelhos oleígenos da Formação Tremembé, Bacia de Taubaté, na região de Tremembé-Pindamonhangaba, SP.

    E-Print Network [OSTI]

    Leonardo Simões Pimentel

    2012-01-01T23:59:59.000Z

    ??Esta dissertação tem como objetivo apresentar uma estimativa preliminar do volume de recurso contingente não-convencionais de folhelhos oleígenos (oil shale) na Formação Tremembé através de… (more)

  2. The effect of NaCl salinity on bell pepper photosynthesis

    E-Print Network [OSTI]

    Bethke, Paul Carl

    1989-01-01T23:59:59.000Z

    annuum cv. Tambel-2, were grown in hydroponics and then salinized to 0, 50, 100 or 150 mM NaC1. Photosynthetic rates of individual leaves were measured on several occasions during the salinization period (usually 10 to 14 d) with an ' open' gas...-exchange system. These rates were reduced by NaC1 concentrations of 100 mM or higher. Stomatal conductance was concurrently reduced, but nonstomatal effects seem to be primarily responsible for decreases in photosynthesis. The correlation between either leaf...

  3. For-Ghaeltacht n Gaeltacht Fhoril? Mein Shisialta agus Forbairt na Gaeilge i Meirice Thuaidh

    E-Print Network [OSTI]

    Scannell, Kevin Patrick

    . Gan an mhais chriticiúil seo, is fíordheacair clann a thógáil le Gaeilge1, agus dá bharr sin is daoine seo, gur rud dona é seo. Tá a fhios agam go bhfuil roinnt daoine i Meiriceá Thuaidh a bhfuil Gaeilge pobal na Gaeltachta in �irinn. Ceann de na fáthanna atá leis seo ná an easpa cainteoirí dúchais i

  4. POST-OPERATIONAL TREATMENT OF RESIDUAL NA COOLLANT IN EBR-2 USING CARBONATION

    SciTech Connect (OSTI)

    Sherman, S.; Knight, C.

    2011-03-08T23:59:59.000Z

    At the end of 2002, the Experimental Breeder Reactor Two (EBR-II) facility became a U.S. Resource Conservation and Recovery Act (RCRA) permitted site, and the RCRA permit1 compelled further treatment of the residual sodium in order to convert it into a less reactive chemical form and remove the by-products from the facility, so that a state of RCRA 'closure' for the facility may be achieved (42 U.S.C. 6901-6992k, 2002). In response to this regulatory driver, and in recognition of project budgetary and safety constraints, it was decided to treat the residual sodium in the EBR-II primary and secondary sodium systems using a process known as 'carbonation.' In early EBR-II post-operation documentation, this process is also called 'passivation.' In the carbonation process (Sherman and Henslee, 2005), the system containing residual sodium is flushed with humidified carbon dioxide (CO{sub 2}). The water vapor in the flush gas reacts with residual sodium to form sodium hydroxide (NaOH), and the CO{sub 2} in the flush gas reacts with the newly formed NaOH to make sodium bicarbonate (NaHCO{sub 3}). Hydrogen gas (H{sub 2}) is produced as a by-product. The chemical reactions occur at the exposed surface of the residual sodium. The NaHCO{sub 3} layer that forms is porous, and humidified carbon dioxide can penetrate the NaHCO{sub 3} layer to continue reacting residual sodium underneath. The rate of reaction is controlled by the thickness of the NaHCO{sub 3} surface layer, the moisture input rate, and the residual sodium exposed surface area. At the end of carbonation, approximately 780 liters of residual sodium in the EBR-II primary tank ({approx}70% of original inventory), and just under 190 liters of residual sodium in the EBR-II secondary sodium system ({approx}50% of original inventory), were converted into NaHCO{sub 3}. No bare surfaces of residual sodium remained after treatment, and all remaining residual sodium deposits are covered by a layer of NaHCO{sub 3}. From a safety standpoint, the inventory of residual sodium in these systems was greatly reduced by using the carbonation process. From a regulatory standpoint, the process was not able to achieve deactivation of all residual sodium, and other more aggressive measures will be needed if the remaining residual sodium must also be deactivated to meet the requirements of the existing environmental permit. This chapter provides a project history and technical summary of the carbonation of EBR-II residual sodium. Options for future treatment are also discussed.

  5. Zdost o upustn od odborn pijmac zkousky do navazujcho magisterskho studia na MFF UK v Praze

    E-Print Network [OSTI]

    Cerveny, Vlastislav

    pro akademický rok 2015/16 (zakrouzkujte dvod, který dokládáte a vyplte potebné údaje): dle bodu 1 absolventy nebo studenty posledního rocníku bakaláského studijního oboru Obecná fyzika 1701R026." dle bodu 2 oboru Fyzika zamená na vzdlávání 7504R183." dle bodu 3) ,,Od pijímací zkousky na magisterské studium

  6. Synthesis of Li{sub (x)}Na{sub (2-x)}Mn{sub 2}S{sub 3} and LiNaMnS{sub 2} through redox-induced ion exchange reactions

    SciTech Connect (OSTI)

    Luthy, Joshua A.; Goodman, Phillip L. [Department of Chemistry and Biochemistry, Texas State University-San Marcos, 601 University Drive, San Marcos, TX 78666 (United States); Martin, Benjamin R. [Department of Chemistry and Biochemistry, Texas State University-San Marcos, 601 University Drive, San Marcos, TX 78666 (United States)], E-mail: bmartin@txstate.edu

    2009-03-15T23:59:59.000Z

    Na{sub 2}Mn{sub 2}S{sub 3} was oxidatively deintercalated using iodine in acetonitrile to yield Na{sub 1.3}Mn{sub 2}S{sub 3}, with lattice constants nearly identical to that of the reactant. Lithium was then reductively intercalated into the oxidized product to yield Li{sub 0.7}Na{sub 1.3}Mn{sub 2}S{sub 3}. When heated, this metastable compound decomposed to form a new crystalline compound, LiNaMnS{sub 2}, along with MnS and residual Na{sub 2}Mn{sub 2}S{sub 3}. Single crystal X-ray diffraction structural analysis of LiNaMnS{sub 2} revealed that this compound crystallizes in P-3m1 with cell parameters a=4.0479(6) A, c=6.7759(14) A, V=96.15(3) A{sup 3} (Z=1, wR2=0.0367) in the NaLiCdS{sub 2} structure-type. - Graphical abstract: Structure of LiNaMnS{sub 2}. Li and Mn are statistically distributed in edge-shared tetrahedral environments linked into infinite planes. Sodium ions occupy interlayer sites.

  7. Loanwords in Kali'na, a Cariban language of French Guyana Odile Renault-Lescure

    E-Print Network [OSTI]

    Boyer, Edmond

    . It is constituted by the five Guianas: Venezuelan Guiana, (formerly British) Guyana, Suriname, French Guiana distributed in these countries. 11.141 live in Venezuela, 3000 in Guyana (Forte 2000), 3000 in Suriname (Boven% in Suriname; there is no precise data for French Guiana, but the rate is high). The Kali'na people speak

  8. Non-Born-Oppenheimer molecular dynamics of NaFH photodissociation Ahren W. Jaspera

    E-Print Network [OSTI]

    Truhlar, Donald G

    Non-Born-Oppenheimer molecular dynamics of Na¯FH photodissociation Ahren W. Jaspera Combustion 20 November 2007 The accuracy of non-Born-Oppenheimer electronically nonadiabatic semiclassical are re- stricted to a single Born-Oppenheimer electronic state typi- cally, the ground electronic state

  9. Na K -pump ligands modulate gating of palytoxin-induced ion channels

    E-Print Network [OSTI]

    Gadsby, David

    proteins that mediate transport of ions across cell membranes, they traditionally have been viewed as very to the extracellular surface. The 3Na 2K -exchange transport cycle is completed when two extracellular K ions bind ensure the vectorial nature of net transport. The occluded-ion conformations, with binding sites

  10. ION CHANNELS The Na/K-ATPase/Src complex and cardiotonic

    E-Print Network [OSTI]

    Brand, Paul H.

    machine for the ATP-dependent and -coupled transport of Na+ and K+ across the plasma membrane of a living sarcoplasmic reticulum Ca-ATPase Introduction The P-type ATPases control ion fluxes across the cell membrane;allow the movement of ions across the cell membrane. They could also alter the function

  11. Beta-delayed gamma spectroscopy of neutron rich 27,28,29Na

    SciTech Connect (OSTI)

    Tripathi, V.; Tabor, S.L.; Hoffman, C.R.; Wiedeking, M.; Volya,A.; Mantica, P.F.; Davies, A.D.; Liddick, S.N.; Mueller, W.F.; Stolz, A.; Tomlin, B.E.

    2006-05-04T23:59:59.000Z

    The low-energy level structure of the exotic Na isotopes {sup 27,28,29}Na has been investigated through {beta}-delayed {gamma} spectroscopy. Detailed level structure of {sup 28,29}Na has been obtained through {beta}{gamma} and {beta}{gamma}{gamma} coincidence measurements. The low-lying levels populated in {sup 27}Na by {beta} decay were found to corroborate well with the in-beam data from the literature. Half-lives of the parent nuclides, {sup 27,28,29}Ne, were measured using {beta} fragment as well as fragment {beta}{gamma} coincidences and compared to previous measurements. The {beta}-delayed one- and two-neutron emission branching probabilities have been obtained from the {gamma} activities of the grand daughter nuclei. A comparison of the level schemes and the {beta}-decay branching ratios is made with shell-model predictions, both with and without intruder configurations, to understand the transition from normal-dominant to intruder-dominant excitations in these neutron-rich nuclei approaching the island of inversion.

  12. {beta}-delayed {gamma} spectroscopy of neutron rich {sup 27,28,29}Na

    SciTech Connect (OSTI)

    Tripathi, Vandana; Tabor, S.L.; Hoffman, C.R.; Wiedeking, M.; Volya, A.; Otsuka, T.; Utsuno, Y. [Department of Physics, Florida State University, Tallahassee, Florida 32306 (United States); Department of Physics and Center for Nuclear Study, University of Tokyo, Hongo, Tokyo 113-0033 (Japan) and RIKEN, Hirosawa, Wako-shi, Saitama 351-0198 (Japan); Advanced Science Research Centre, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195 (Japan); Mantica, P.F.; Liddick, S.N.; Tomlin, B.E. [National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824 (United States); Department of Chemistry, Michigan State University, East Lansing, Michigan 48824 (United States); Davies, A.D. [National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824 (United States); Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824 (United States); Mueller, W.F.; Stolz, A. [National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824 (United States)

    2006-05-15T23:59:59.000Z

    The low-energy level structure of the exotic Na isotopes {sup 27,28,29}Na has been investigated through {beta}-delayed {gamma} spectroscopy. Detailed level structure of {sup 28,29}Na has been obtained through {beta}{gamma} and {beta}{gamma}{gamma} coincidence measurements. The low-lying levels populated in {sup 27}Na by {beta} decay were found to corroborate well with the in-beam data from the literature. Half-lives of the parent nuclides, {sup 27,28,29}Ne, were measured using {beta} fragment as well as fragment {beta}{gamma} coincidences and compared to previous measurements. The {beta}-delayed one- and two-neutron emission branching probabilities have been obtained from the {gamma} activities of the grand daughter nuclei. A comparison of the level schemes and the {beta}-decay branching ratios is made with shell-model predictions, both with and without intruder configurations, to understand the transition from normal-dominant to intruder-dominant excitations in these neutron-rich nuclei approaching the island of inversion.

  13. Grant Title: NATIONAL ACADEMY OF EDUCATION/SPENCER POSTDOCTORAL FELLOWSHIP Funding Opportunity Number: N/A

    E-Print Network [OSTI]

    Farritor, Shane

    Grant Title: NATIONAL ACADEMY OF EDUCATION/SPENCER POSTDOCTORAL FELLOWSHIP Funding Opportunity Number: N/A Agency/Department: The National Academy of Education/Spencer. Area of Research: Fellowship, 2011. Summary: TThe National Academy of Education/Spencer Postdoctoral Fellowship Program supports

  14. Hydrogen embrittlement of a bimaterial C. Ayas, N.A. Fleck, V.S. Deshpande

    E-Print Network [OSTI]

    Fleck, Norman A.

    Hydrogen embrittlement of a bimaterial C. Ayas, N.A. Fleck, V.S. Deshpande Department, or increase susceptibility to corrosion or hydrogen embrittlement (Sireesha et al., 2000). The weld strength. Hydrogen embrittlement is a recognised threat for welded joints since hy- drogen take-up can arise during

  15. Super-Elastic and Plastic Shock Waves Generated by Lasers N.A. Inogamov a,1

    E-Print Network [OSTI]

    Fominov, Yakov

    Super-Elastic and Plastic Shock Waves Generated by Lasers N.A. Inogamov a,1 , V.V. Zhakhovsky b,3 fortov@ihed.ras.ru, i oleynik@usf.edu Keywords: Femtosecond laser-matter interactions, elastic-plastic there is an elastic shock wave (SW), which propagates before the strong plastic shock with plastic pressures of up

  16. E-Print Network 3.0 - alongamento mesenterial na Sample Search...

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

    mutant... in Annexin V binding buffer (0.01 M Hepes, pH 7.4; 0.14 mM NaCl; 2.5 mM CaCl2). Two hundred microliters Source: Littman, Dan - Skirball Institute of Biomolecular...

  17. E-Print Network 3.0 - alloiococcus otitidis na Sample Search...

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

    the frequency of the NotI target site. In contrast... H 7.6), 20 mM NaCl, and 1 mM CaCl2. Crystals of the apo enzyme were grown (2.0 M (NH4)2SO4, 100 mM MES Source: Stoddard,...

  18. E-Print Network 3.0 - anodo na oxidacao Sample Search Results

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

    (i.e., a biofilm that can efficiently transfer electrons... , 0.25-1.0 g; NH4Cl, 0.2 g; CaCl2,2H2O, 0.15 g; KCl, 0.33 g; NaCl, 0.30 g; MgCl2, 3.15 g; K2HPO4, 1... ). If methanogens...

  19. Measurement of (n,a) reactions on 147 Sm using a lead

    E-Print Network [OSTI]

    Danon, Yaron

    12180, USA c Los Alamos Neutron Science Center Los Alamos National Laboratory, Los Alamos, New Mexico of the (n,a) cross section on 147 Sm and perform measurements on 149 Sm over the energy range 0.1 eV­10 ke limited because coulomb interaction prevents direct measurement at incident energies relevant

  20. Roles for Mitochondrial and Reverse Mode Na /Ca2 and the Plasmalemma Ca2

    E-Print Network [OSTI]

    Zucker, Robert S.

    Roles for Mitochondrial and Reverse Mode Na /Ca2 Exchange and the Plasmalemma Ca2 ATPase in Post the processes regulating presynaptic cal- cium concentration ([Ca2 ]i ) in the generation of post-tetanic potentiation (PTP) at crayfish neuromuscular junctions, using spectrophotometric dyes to measure changes in [Ca

  1. Erratum: High-NA aberration retrieval with the Extended Nijboer-Zernike

    E-Print Network [OSTI]

    of Technology, Lorentzweg 1, NL-2628 CJ Delft, The Netherlands P. Dirksen, A.J.E.M. Janssen Philips Research Europe, Professor Holstlaan 4, NL-5656 AA Eindhoven, The Netherlands In the paper "High-NA aberration regrettable notation errors are present in Eq.(10), page 06004-3. The expression gives the azimuthal Fourier

  2. Design, Fabrication and Integration of a NaK-Cooled Circuit

    SciTech Connect (OSTI)

    Garber, Anne; Godfroy, Thomas [NASA Marshall Space Flight Center, MSFC, AL 35824 (United States)

    2006-07-01T23:59:59.000Z

    The Early Flight Fission Test Facilities (EFF-TF) team has been tasked by the NASA Marshall Space Flight Center Nuclear Systems Office to design, fabricate, and test an actively pumped alkali metal flow circuit. The system, which was originally designed for use with a eutectic mixture of sodium potassium (NaK), was redesigned for use with lithium. Due to a shift in focus, it is once again being prepared for use with NaK. Changes made to the actively pumped, high temperature circuit include the replacement of the expansion reservoir, addition of remotely operated valves, and modification of the support table. Basic circuit components include: reactor segment, NaK to gas heat exchanger, electromagnetic (EM) liquid metal pump, load/drain reservoir, expansion reservoir, instrumentation, and a spill reservoir. A 37-pin partial-array core (pin and flow path dimensions are the same as those in a full design) was selected for fabrication and test. This paper summarizes the integration and preparations for the fill of the pumped NaK circuit. (authors)

  3. Upper limit on the cross section for reactor antineutrinos changing 22Na decay rates

    E-Print Network [OSTI]

    R. J. de Meijer; S. W. Steyn

    2014-09-23T23:59:59.000Z

    In this paper we present results of a long-term observation of the decay of 22Na in the presence of a nuclear fission reactor. The measurements were made outside the containment wall of and underneath the Koeberg nuclear power plant near Cape Town, South Africa. Antineutrino fluxes ranged from ~5*10^11 to 1.6*10^13 cm^-2 s^-1 during this period. We show that the coincidence summing technique provides a sensitive tool to measure a change in the total decay constant as well as the branching ratio between EC and beta+ decay of 22Na to the first excited state in 22Ne. We observe a relative change in count rate between reactor-ON and reactor-OFF equal to (-0.51+/-0.11)*10^-4. After evaluating possible systematic uncertainties we conclude that the effect is either due to a hidden instrumental cause or due to an interaction between antineutrinos and the 22Na nucleus. An upper limit of ~0.03 barn has been deduced for observing any change in the decay rate of 22Na due to antineutrino interactions.

  4. Departamento de Electronica e Sistemas Grupo de Arquitectura de Computadores Universidade da Coru~na

    E-Print Network [OSTI]

    Fraguela, Basilio B.

    Departamento de Electr´onica e Sistemas Grupo de Arquitectura de Computadores Universidade da Coru 2004­ p.1/29 #12;Departamento de Electr´onica e Sistemas Grupo de Arquitectura de Computadores´onica e Sistemas Grupo de Arquitectura de Computadores Universidade da Coru~na AC LUCEH Curriculum Vitae

  5. Cellular/Molecular Vestibular Hair Bundles Control pH with (Na , K )/H

    E-Print Network [OSTI]

    Rao, Rajini

    Cellular/Molecular Vestibular Hair Bundles Control pH with (Na , K )/H Exchangers NHE6 and NHE9 21205, and 3Graduate School of Life Science, University of Hyogo, Ako, Hyogo 678-1297, Japan In hair acidify mechani- cally sensitive hair bundles without efficient removal of H . We found that, whereas

  6. Advances in X-Ray Chemical Analysis, Japan, 45 (2014) ISSN 0911-7806 Color Center in NaCl

    E-Print Network [OSTI]

    Jun, Kawai

    . In addition, the color of NaCl changes to pale purple when irradiated with 405 nm laser after X-ray irradiation and to light brown when irradiated with 532 nm laser after X-ray irradiation. The colorCl, Sodium chloride, X-ray irradiation, Laser irradiation, White fluorescent lamp irradiation X X NaCl X X X

  7. Calcite dissolution and Ca/Na ion-exchange reactions in columns with different flow rates through high ESR soil

    E-Print Network [OSTI]

    Navarre, Audrey

    1999-01-01T23:59:59.000Z

    min?¹ under conditions of saturated flow. Column eluate was monitored for pH, carbonate alkalinity, and Na, Ca and Cl concentrations to evaluate the elution of SAR 10 solution, dissolution of CaCO? and exchange of Na by Ca on the cation...

  8. Effects of the treatment of straw with NaOH and urea solutions on ingestibility and digestibility in sheep

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Effects of the treatment of straw with NaOH and urea solutions on ingestibility and digestibility of digestibility measures. The main results appear in table I. Straw intake and digestibility were in- creased by the treatments. This was par- ticularly true for NaOH treatments with the exception of nitrogen digestibility

  9. Na, Mg, Ni and Cs distribution and speciation after long-term alteration of a simulated nuclear waste glass

    E-Print Network [OSTI]

    distribution and speciation of Na, Mg, Ni and Cs in a simulated (inactive) nuclear waste glass were studied and Cs represent dose determining long-lived radionuclides (59 Ni, 135 Cs) in vitrified nuclear wasteNa, Mg, Ni and Cs distribution and speciation after long-term alteration of a simulated nuclear

  10. Background studies for NaI(Tl) detectors in the ANAIS dark matter project

    SciTech Connect (OSTI)

    Amaré, J.; Borjabad, S.; Cebrián, S.; Cuesta, C.; Fortuño, D.; García, E.; Ginestra, C.; Gómez, H.; Martínez, M.; Oliván, M. A.; Ortigoza, Y.; Solórzano, A. Ortiz de; Pobes, C.; Puimedón, J.; Sarsa, M. L.; Villar, J. A.; Villar, P. [Laboratorio de Física Nuclear y Astropartículas, Universidad de Zaragoza, Calle Pedro Cerbuna 12, 50009 Zaragoza, Spain and Laboratorio Subterráneo de Canfranc, Paseo de los Ayerbe s/n, 22880 Canfranc Estación, Huesca (Spain)] [Laboratorio de Física Nuclear y Astropartículas, Universidad de Zaragoza, Calle Pedro Cerbuna 12, 50009 Zaragoza, Spain and Laboratorio Subterráneo de Canfranc, Paseo de los Ayerbe s/n, 22880 Canfranc Estación, Huesca (Spain)

    2013-08-08T23:59:59.000Z

    Several large NaI(Tl) detectors, produced by different companies, have been operated in the Canfranc Underground Laboratory (LSC) in the frame of the ANAIS (Annual modulation with NaI Scintillators) project devoted to the direct detection of dark matter. A complete background model has been developed for a 9.6 kg detector (referred as ANAIS-0 prototype) after a long data taking at LSC. Activities from the natural chains of {sup 238}U and {sup 232}Th, and {sup 40}K in the NaI(Tl) crystal were evaluated applying different methods: discrimination of alpha particles vs beta/gamma background by Pulse Shape Analysis for quantifying the content of the natural chains and coincidence techniques for {sup 40}K. Radioactive contaminations in the detector and shielding components were also determined by HPGe spectrometry. Monte Carlo simulations using Geant4 package were carried out to evaluate their contribution. At high energies, most of the measured background is nicely reproduced; at low energy some non-explained components are still present, although some plausible background sources have been analyzed. The {sup 40}K content of the NaI(Tl) crystal has been confirmed to be the dominant contributor to the measured background with this detector. In addition, preliminary results of the background characterization, presently underway at the LSC, of two recently produced NaI(Tl) detectors, with 12.5 kg mass each, will be presented: cosmogenic induced activity has been clearly observed and is being quantified, and {sup 40}K activity at a level ten times lower than in ANAIS-0 has been determined.

  11. Cleaning residual NaK in the fast flux test facility fuel storage cooling system

    SciTech Connect (OSTI)

    Burke, T.M.; Church, W.R. [Fluor Hanford, PO Box 1000, Richland, Washington, 99352 (United States); Hodgson, K.M. [Fluor Government Group, PO Box 1050, Richland, Washington, 99352 (United States)

    2008-01-15T23:59:59.000Z

    The Fast Flux Test Facility (FFTF), located on the U.S. Department of Energy's Hanford Reservation, is a liquid metal-cooled test reactor. The FFTF was constructed to support the U.S. Liquid Metal Fast Breeder Reactor Program. The bulk of the alkali metal (sodium and NaK) has been drained and will be stored onsite prior to final disposition. Residual NaK needed to be removed from the pipes, pumps, heat exchangers, tanks, and vessels in the Fuel Storage Facility (FSF) cooling system. The cooling system was drained in 2004 leaving residual NaK in the pipes and equipment. The estimated residual NaK volume was 76 liters in the storage tank, 1.9 liters in the expansion tank, and 19-39 liters in the heat transfer loop. The residual NaK volume in the remainder of the system was expected to be very small, consisting of films, droplets, and very small pools. The NaK in the FSF Cooling System was not radiologically contaminated. The portions of the cooling system to be cleaned were divided into four groups: 1. The storage tank, filter, pump, and associated piping; 2. The heat exchanger, expansion tank, and associated piping; 3. Argon supply piping; 4. In-vessel heat transfer loop. The cleaning was contracted to Creative Engineers, Inc. (CEI) and they used their superheated steam process to clean the cooling system. It has been concluded that during the modification activities (prior to CEI coming onsite) to prepare the NaK Cooling System for cleaning, tank T-914 was pressurized relative to the In-Vessel NaK Cooler and NaK was pushed from the tank back into the Cooler and that on November 6, 2005, when the gas purge through the In-Vessel NaK Cooler was increased from 141.6 slm to 283.2 slm, NaK was forced from the In-Vessel NaK Cooler and it contacted water in the vent line and/or scrubber. The gases from the reaction then traveled back through the vent line coating the internal surface of the vent line with NaK and NaK reaction products. The hot gases also exited the scrubber through the stack and due to the temperature of the gas, the hydrogen auto ignited when it mixed with the oxygen in the air. There was no damage to equipment, no injuries, and no significant release of hazardous material. Even though the FSF Cooling System is the only system at FFTF that contains residual NaK, there are lessons to be learned from this event that can be applied to future residual sodium removal activities. The lessons learned are: - Before cleaning equipment containing residual alkali metal the volume of alkali metal in the equipment should be minimized to the extent practical. As much as possible, reconfirm the amount and location of the alkali metal immediately prior to cleaning, especially if additional evolutions have been performed or significant time has passed. This is especially true for small diameter pipe (<20.3 centimeters diameter) that is being cleaned in place since gas flow is more likely to move the alkali metal. Potential confirmation methods could include visual inspection (difficult in all-metal systems), nondestructive examination (e.g., ultrasonic measurements) and repeating previous evolutions used to drain the system. Also, expect to find alkali metal in places it would not reasonably be expected to be. - Staff with an intimate knowledge of the plant equipment and the bulk alkali metal draining activities is critical to being able to confirm the amount and locations of the alkali metal residuals and to safely clean the residuals. - Minimize the potential for movement of alkali metal during cleaning or limit the distance and locations into which alkali metal can move. - Recognize that when working with alkali metal reactions, occasional pops and bangs are to be anticipated. - Pre-plan emergency responses to unplanned events to assure responses planned for an operating reactor are appropriate for the deactivation phase.

  12. The use Na, Li, K cations for modification of ZSM-5 zewolite to control hydrocarbon cold-start emission

    SciTech Connect (OSTI)

    Golubeva V.; Rohatgi U.; Korableva, A.; Anischenko, O.; Kustov, L.; Nissenbaum, V; Viola, M.B.

    2012-08-29T23:59:59.000Z

    This paper addresses the problem of controlling hydrocarbon emissions from cold-start of engines by investigating the adsorbents which could adsorb the hydrocarbons at cold temperatures and hold them to 250-300 ?. The materials, that has been studied, are based on the modification of ZSM-5 (SiO{sub 2}/Al{sub 2}O{sub 3} = 35) zeolite with Li, K, Na cations. It has been shown that the introduction of Li, Na and K in an amount that is equivalent to the content of Al in zeolite results in occurrence of toluene temperature desorption peaks at high-temperatures. The toluene temperature desorption curves for 5%Li-ZSM-5 and 2.3%Na-ZSM-5 zeolites are identical and have peak toluene desorption rate between 200 to 400 ?. Upon analysis of toluene adsorption isotherms for 2.3%Na-ZSM-5 and 5%Li-ZSM-5, it was concluded that the toluene diffusion inside of the modified zeolites channels is extremely slow and the sorption capacity of 2.3%Na-ZSM-5 is higher than with 5%Li-ZSM-5. The 2.3%Na-ZSM-5 didn't change toluene temperature programmed desorption (TPD) rate of curve after the treatment in environment with 10% ?{sub 2}? at 750-800 ? for about 28 h. The 2.3%Na-ZSM-5 zeolite is very promising as adsorbent to control the cold-start hydrocarbon emissions.

  13. Defective graphene as promising anode material for Na-ion battery and Ca-ion battery

    E-Print Network [OSTI]

    Datta, Dibakar; Shenoy, Vivek B

    2013-01-01T23:59:59.000Z

    We have investigated adsorption of Na and Ca on graphene with divacancy (DV) and Stone-Wales (SW) defect. Our results show that adsorption is not possible on pristine graphene. However, their adsorption on defective sheet is energetically favorable. The enhanced adsorption can be attributed to the increased charge transfer between adatoms and underlying defective sheet. With the increase in defect density until certain possible limit, maximum percentage of adsorption also increases giving higher battery capacity. For maximum possible DV defect, we can achieve maximum capacity of 1459 mAh/g for Na-ion batteries (NIBs) and 2900 mAh/g for Ca-ion batteries (CIBs). For graphene full of SW defect, we find the maximum capacity of NIBs and CIBs is around 1071 mAh/g and 2142 mAh/g respectively. Our results will help create better anode materials with much higher capacity and better cycling performance for NIBs and CIBs.

  14. Densities and refractive indexes of aqueous (Li,K,Na) NO[sub 3] mixtures

    SciTech Connect (OSTI)

    Ally, M.R.; Zaltash, A.; Linkous, R.L. (Oak Ridge National Lab., TN (United States). Energy Div.); Klatt, L.N. (Oak Ridge National Lab., TN (United States). Analytical Chemistry Div.)

    1991-04-01T23:59:59.000Z

    This paper describes experimental procedures and techniques for measuring densities and/or refractive indexes of aqueous salt solutions between 25 and 200 [degrees]C and with 18.90-90.50 wt % mixed salt (LINO[sub 3], KNO[sub 3], and NaNO[sub 3]). An electrolyte solution of (LI, K, Na) NO[sub 3] slats in water was chosen for study because of its recent development as a potential high-temperature heat pump fluid, but any other appropriate fluid may be accommodated for study in the apparatus. The densities and refractive indexes are shown to represent a convenient way to measuring the concentration of salt (or water), and accuracies of [plus minus]0.8 and [plus minus]0.3 wt % total mixed salt were achieved by using the above two methods, respectively.

  15. DALI2: A NaI(Tl) detector array for measurements of $?$ rays from fast nuclei

    E-Print Network [OSTI]

    S. Takeuchi; T. Motobayashi; Y. Togano; M. Matsushita; N. Aoi; K. Demichi; H. Hasegawa; H. Murakami

    2014-06-24T23:59:59.000Z

    A NaI(Tl) detector array called DALI2 (Detector Array for Low Intensity radiation 2) has been constructed for in-beam $\\gamma$-ray spectroscopy experiments with fast radioactive isotope (RI) beams. It consists typically of 186 NaI(Tl) scintillators covering polar angles from $\\sim$15$^{\\circ}$ to $\\sim$160$^{\\circ}$ with an average angular resolution of 6$^{\\circ}$ in full width at half maximum. Its high granularity (good angular resolution) enables Doppler-shift corrections that result in, for example, 10% energy resolution and 20% full-energy photopeak efficiency for 1-MeV $\\gamma$ rays emitted from fast-moving nuclei (velocities of $v/c \\simeq 0.6$). DALI2 has been employed successfully in numerous experiments using fast RI beams with velocities of $v/c = 0.3 - 0.6$ provided by the RIKEN RI Beam Factory.

  16. High Density Hydrogen Storage System Demonstration Using NaAlH4 Based Complex Compound Hydrides

    SciTech Connect (OSTI)

    Daniel A. Mosher; Xia Tang; Ronald J. Brown; Sarah Arsenault; Salvatore Saitta; Bruce L. Laube; Robert H. Dold; Donald L. Anton

    2007-07-27T23:59:59.000Z

    This final report describes the motivations, activities and results of the hydrogen storage independent project "High Density Hydrogen Storage System Demonstration Using NaAlH4 Based Complex Compound Hydrides" performed by the United Technologies Research Center under the Department of Energy Hydrogen Program, contract # DE-FC36-02AL67610. The objectives of the project were to identify and address the key systems technologies associated with applying complex hydride materials, particularly ones which differ from those for conventional metal hydride based storage. This involved the design, fabrication and testing of two prototype systems based on the hydrogen storage material NaAlH4. Safety testing, catalysis studies, heat exchanger optimization, reaction kinetics modeling, thermochemical finite element analysis, powder densification development and material neutralization were elements included in the effort.

  17. Introduction L'Encyclopdie des Carabes ou Encyclopdie des Kali'na du Suriname

    E-Print Network [OSTI]

    Boyer, Edmond

    Introduction « L'Encyclopédie des Caraïbes » ou Encyclopédie des Kali'na du Suriname Odile Renault Suriname, jusqu'à la deuxième moitié du 20ème siècle5, pour désigner les peuples et langues de famille étude comparée des langues de la famille caribe du Suriname, ainsi que des descriptions grammaticales et

  18. {alpha}-particle optical potentials for nuclear astrophysics (NA) and nuclear technology (NT)

    SciTech Connect (OSTI)

    Avrigeanu, V.; Avrigeanu, M. [Horia Hulubei National Institute for Physics and Nuclear Engineering, POBox MG-6, 077125 Magurele, Ilfov (Romania)

    2012-11-20T23:59:59.000Z

    The high precision of recent measurements for low-energy {alpha}-particle elastic-scattering as well as induced-reaction data makes possible the understanding of actual limits and possible improvement of the global optical model potentials parameters. Involvement of recent optical potentials for reliable description of both the elastic scattering and emission of {alpha}-particles, of equal interest for nuclear astrophysics (NA) and nuclear technology (NT) for fusion devices, is discussed in the present work.

  19. VII Seminrio Tcnico Cientfico de Anlise dos Dados do Desmatamento na Amaznia Legal

    E-Print Network [OSTI]

    VII Seminário Técnico Científico de Análise dos Dados do Desmatamento na Amazônia Legal Base em Atividades Produtivas 363,75 44,72 (319,03) -88% Defesa do Pantanal com a Valorização da em Setembro de 2009. #12;Dados Gleba Curuá Alertas de Desmatamento (DETER) em 2009 ­ Jan/Set Classe

  20. Threshold model and the latest NA50 data on $J/?$ suppression in Pb+Pb collisions

    E-Print Network [OSTI]

    A. K. Chaudhuri

    2003-05-26T23:59:59.000Z

    Using the QGP motivated threshold model, where all the $J/\\psi$'s are suppressed above a threshold density, we have analyzed the latest version of the NA50 data on the centrality dependence of the $J/\\psi$ over Drell-Yan ratio. The data are not well explain in the model, unless the threshold density is largely smeared. Large smeared threshold density effectively excludes creation of any deconfined medium in the collision.

  1. Sistematizao de ocorrncias de desastres naturais na regio Sul do Brasil Silvia Midori Saito1

    E-Print Network [OSTI]

    Sistematização de ocorrências de desastres naturais na região Sul do Brasil Silvia Midori Saito1 - GEODESASTRES-SUL Caixa Postal 5021 - CEP: 97110-970, Santa Maria, RS, Brasil {silvia.saito; camila próximo artigo 39 Anais XIV Simpósio Brasileiro de Sensoriamento Remoto, Natal, Brasil, 25-30 abril 2009

  2. LIVROS DIDTICOS E SUAS FUNES PARA O PROFESSOR DE MATEMTICA NO BRASIL E NA FRANA.

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    LIVROS DIDÁTICOS E SUAS FUN��ES PARA O PROFESSOR DE MATEMÁTICA NO BRASIL E NA FRAN�A. Clovis Gomes (França) GP 0517 Psicologia da educação matemática ­UNICAMP Campinas SP (Brasil) Jean dois países. No Brasil a compra de livros didáticos pelo governo brasileiro envolve volumes e cifras de

  3. 20Na

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered‰PNGExperience hands-onASTROPHYSICS H.CarbonMarch Value of the verb5N

  4. 20Na

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered‰PNGExperience hands-onASTROPHYSICS H.CarbonMarch Value of the verb5N

  5. na-00

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICE OF8/%2A en Responding6/%2A2/%2A en2/%2A

  6. 19Na

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered‰PNGExperience hands-on halloweenReliable7O(α, X)C β--Decay Evaluated Datap,NNa

  7. Br-Cl-Na systematics in Illinois basin fluids: Constraints on fluid origin and evolution

    SciTech Connect (OSTI)

    Walter, L.M.; Huston, T.J. (Washington Univ., St. Louis, Missouri (USA)); Stueber, A.M. (Southern Illinois Univ., Edwardsville (USA))

    1990-04-01T23:59:59.000Z

    The authors present here bromide, chloride, and sodium data for fluids from reservoirs of Ordovician through Pennsylvania age in the Illinois basic which suggest that remnant marine fluids contribute significantly to fluid Cl budgets. Cl/Br and NaBr ratios for Ordovician through Devonian formation fluids are relatively uniform and near those for seawater, despite greater than a factor of ten range in Cl concentration. In contrast, fluids from Mississippian and Pennsylvanian reservoirs, separated from older reservoirs by the New Albany Shale Group, have more variable fluid Cl/Br and Na/Br ratios, most of which are significantly greater then those of seawater. The 1:1 stoichiometry of Cl and Na increases for Mississippian and Pennsylvanian formation fluids is consistent with halite dissolution. Nevertheless, Br systematics and mass-balance considerations indicate that he overall Cl budget of Illinois basin formation fluids appears to be more significantly influenced by the contribution from subaerially evaporated seawater than by halite dissolution.

  8. High-temperature corrosion of metallic alloys in an oxidizing atmosphere containing NaCl

    SciTech Connect (OSTI)

    Federer, J.I.

    1989-02-01T23:59:59.000Z

    A particular heat-exchanger application involved metallic alloys exposed to flue gases of an aluminum remelt furnace. Because the flue gases might contain NaCl and other halides, the corrosion behavior of the alloys was to be investigated. Planned direct exposure of candidate alloys to the flue gases, however, was not conducted because of premature termination of the project. Complementary laboratory testing was conducted on seven commercially available alloys and two nickel aluminides. These materials were exposed to an oxidizing atmosphere containing 0.06 wt % NaCl for 1100 h at 1000/degree/C. Most of the alloy exhibited grain-boundary attack, which resulted in complete oxidation of enveloped grains. The alloys Incoloy MA-956, Incoloy 800, Inconel 625, Inconel 601, Hastelloy X, Haynes 188, and nickel aluminide IC-50 were substantially more corroded than Alloy 214 and nickel aluminide IC-221. The latter two alloys, therefore, would probably be superior to the others in application involving flue gases containing NaCl. Strength fabricability, and weldability, which are briefly discussed, would also affect selection of materials. 8 refs., 12 figs., 5 tabs.

  9. Role of Cl in Electrogenic Na -coupled Cotransporters GAT1 and Received for publication, August 10, 2000, and in revised form, September 5, 2000

    E-Print Network [OSTI]

    Eskandari, Sepehr

    criterion to classify Na cotransporters. Electrogenic sodium cotransporters utilize the movement of Na down, nutrients, and neu- rotransmitters into cells (1). This broad group of Na -driven cotransporters contains potential in most cells is close to the resting membrane potential, and little free energy would be provided

  10. A Study of Physical, Chemical, and Mineralogical Properties of the Lakeland Soil Series in Texas

    E-Print Network [OSTI]

    Rivers, Ernest Demois

    1960-01-01T23:59:59.000Z

    A STUDY OF PHYSICAL, CHEMICAL, AND MINERALOGICAL PROPERTIES OF THE LAKELAND SOIL SERIES IN TEXAS A Thesis By Ernest Demois Rivers Submitted to the Graduate School of the Agricultural and Mechanical College of Texas in partial fulfillment... of the requirements for the degree of MASTER OF SCIENCE Nay~ 1960 Na)or Subjects Agronomy A STUDY OF PHYSICAL~ CHEMICAL~ AND MINERALOGICAL PROPERTIES OF THE LAKELAND SOIL SERIES IN TEXAS A Thesis Ernest Demois Rivers Approved as to style and content, by...

  11. E-Print Network 3.0 - aqueous na2s2o3 solutions Sample Search...

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

    Harris, 7th Summary: the molar concentration of the solution. Preparation and standardization of 0.1 M Na2S2O3. Boil about 500 m... with the ... Source: McQuade, D. Tyler -...

  12. computational infrastructure for nuclear astrophysics Michael Smith, Physics Division, Oak Ridge Na:onal Lab coordinator@nucastrodata.org

    E-Print Network [OSTI]

    computational infrastructure for nuclear astrophysics Michael Smith, Physics Division, Oak Ridge Na:onal Lab coordinator@nucastrodata.org #12;computational infrastructure for nuclear astrophysics system overview ·work with nuclear information, reaction rates, & simulations ·operates "in

  13. Identification of a Pool of Non-Pumping Na/K-ATPase* Man Liang1,3

    E-Print Network [OSTI]

    Brand, Paul H.

    Identification of a Pool of Non-Pumping Na/K-ATPase* Man Liang1,3 , Jiang Tian1,3 , Lijun Liu1 Title: Non-pumping Na/K-ATPase 4 To whom correspondence should be addressed: Zi-Jian Xie, Ph-383-4182; FAX: 419-383-2871 E-mail: zxie@meduohio.edu Summary Recent studies have ascribed many non-pumping

  14. TRANSFER OF CONTINUOUSLY I. V. INFUSED NaHC14O3 AND Ca47Cl2

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    TRANSFER OF CONTINUOUSLY I. V. INFUSED NaHC14O3 AND Ca47Cl2 TO THE HEN'S EGG-SHELL (1) K. LÃ?RCHER experiment was designed : after continuous i.v. infusion of Ca&dquo;C12 and/or NaHC1403 to achieve constant&dquo;/Sc&dquo;. RESULTS AND DISCUSSION The average egg-shell incorporation of continuously infused Ca&dquo; came out

  15. Syntheses, crystal structures, and properties of three new metal selenites Na{sub 2}Co{sub 2}(SeO{sub 3}){sub 3}, Na{sub 2}Co{sub 1.67}Ni{sub 0.33}(SeO{sub 3}){sub 3}, and Na{sub 2}Ni{sub 2}(SeO{sub 3}){sub 3}

    SciTech Connect (OSTI)

    Yuan Xiaoqing [State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002 (China); Graduate School of the Chinese Academy of Sciences, Beijing 100049 (China); Feng Meiling, E-mail: fml@fjirsm.ac.c [State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, the Chinese Academy of Sciences, Fuzhou, Fujian 350002 (China); Li Jianrong [State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, the Chinese Academy of Sciences, Fuzhou, Fujian 350002 (China); Graduate School of the Chinese Academy of Sciences, Beijing 100049 (China); Huang Xiaoying, E-mail: xyhuang@fjirsm.ac.c [State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002 (China)

    2010-09-15T23:59:59.000Z

    Three new sodium cobalt (nickel) selenite compounds, namely, Na{sub 2}Co{sub 2}(SeO{sub 3}){sub 3}, Na{sub 2}Co{sub 1.67}Ni{sub 0.33}(SeO{sub 3}){sub 3}, and Na{sub 2}Ni{sub 2}(SeO{sub 3}){sub 3} have been hydro-/solvothermally synthesized in the mixed solvents of acetonitrile and water. Single-crystal X-ray diffraction analyses reveal that these isostructural compounds belong to the orthorhombic Cmcm space group and their structures feature three-dimensional open frameworks constructed by the two-dimensional layers of [MSeO{sub 3}] pillared by the [SeO{sub 3}]{sup 2-} groups. The two different types of Na{sup +} ions reside in the intersecting two-dimensional channels parallel to the a- and c-axes, respectively. Their thermal properties have been investigated via TGA-DSC. The magnetic measurements indicate the existence of the antiferromagnetic interactions in these compounds. - Graphical abstract: Three new isostructural metal selenites, Na{sub 2}Co{sub 2}(SeO{sub 3}){sub 3}, Na{sub 2}Co{sub 1.67}Ni{sub 0.33}(SeO{sub 3}){sub 3}, and Na{sub 2}Ni{sub 2}(SeO{sub 3}){sub 3} have been hydro-/solvothermally synthesized and characterized. Their structures feature three-dimensional open frameworks with Na{sup +}-occupied channels.

  16. NA-42 TI Shared Software Component Library FY2011 Final Report

    SciTech Connect (OSTI)

    Knudson, Christa K.; Rutz, Frederick C.; Dorow, Kevin E.

    2011-07-21T23:59:59.000Z

    The NA-42 TI program initiated an effort in FY2010 to standardize its software development efforts with the long term goal of migrating toward a software management approach that will allow for the sharing and reuse of code developed within the TI program, improve integration, ensure a level of software documentation, and reduce development costs. The Pacific Northwest National Laboratory (PNNL) has been tasked with two activities that support this mission. PNNL has been tasked with the identification, selection, and implementation of a Shared Software Component Library. The intent of the library is to provide a common repository that is accessible by all authorized NA-42 software development teams. The repository facilitates software reuse through a searchable and easy to use web based interface. As software is submitted to the repository, the component registration process captures meta-data and provides version control for compiled libraries, documentation, and source code. This meta-data is then available for retrieval and review as part of library search results. In FY2010, PNNL and staff from the Remote Sensing Laboratory (RSL) teamed up to develop a software application with the goal of replacing the aging Aerial Measuring System (AMS). The application under development includes an Advanced Visualization and Integration of Data (AVID) framework and associated AMS modules. Throughout development, PNNL and RSL have utilized a common AMS code repository for collaborative code development. The AMS repository is hosted by PNNL, is restricted to the project development team, is accessed via two different geographic locations and continues to be used. The knowledge gained from the collaboration and hosting of this repository in conjunction with PNNL software development and systems engineering capabilities were used in the selection of a package to be used in the implementation of the software component library on behalf of NA-42 TI. The second task managed by PNNL is the development and continued maintenance of the NA-42 TI Software Development Questionnaire. This questionnaire is intended to help software development teams working under NA-42 TI in documenting their development activities. When sufficiently completed, the questionnaire illustrates that the software development activities recorded incorporate significant aspects of the software engineering lifecycle. The questionnaire template is updated as comments are received from NA-42 and/or its development teams and revised versions distributed to those using the questionnaire. PNNL also maintains a list of questionnaire recipients. The blank questionnaire template, the AVID and AMS software being developed, and the completed AVID AMS specific questionnaire are being used as the initial content to be established in the TI Component Library. This report summarizes the approach taken to identify requirements, search for and evaluate technologies, and the approach taken for installation of the software needed to host the component library. Additionally, it defines the process by which users request access for the contribution and retrieval of library content.

  17. Electroless Ni coatings used in 4% NaCl corrosion control of mild steel

    SciTech Connect (OSTI)

    Sanchez, M.A.; Zambrano, J.A.; Perez, O. [Univ. del Zulia, Maracaibo (Venezuela). Centro de Estudios de Corrosion; Podesta, J.J. [Univ. Nacional de La Plata (Argentina). Inst. de Investigaciones Fisicoquimicas Teoricas y Aplicadas

    1997-12-01T23:59:59.000Z

    The purpose of this work is to study the behavior of electroless Ni coatings on SAE 1020 steel in aqueous 4% NaCl solution. An aqueous solution with NiSO{sub 4}.6H{sub 2}O (Nickel Sulfate), NaH{sub 2}PO{sub 2}.2H{sub 2}O (Sodium Hypophosphite), C{sub 3}H{sub 6}O{sub 3} (Lactic Acid), C{sub 3}H{sub 6}O{sub 2} (Propionic Acid) and Pb(NO{sub 3}){sub 2} (Lead Nitrate) as the basic ingredients of the bath was selected for the autocatalytic deposition of Ni, with an average deposit rate of c.a. 19 {micro}m/h. Steel coupons were immersed in the bath for 1, 2, 3 h in the original solution, renewing with fresh solution every hour. Once coated with nickel, the coupons were subjected to heat treatment for 1, 2, and 3 h at 400 C, measuring hardness to determine how it is affected by thermal treatment. Salt-spray tests were carried out at 30 C in line with ASTM B117-75 and DIN 50907 standards. The corrosion rate was determined by potentiodynamic polarizing curves (0.28.10{sup {minus}3} V/s), using a 4.0% w/w NaCl solution. Corrosion resistance was higher in the coupons that underwent 2--3 h of heat treatment and 2--3 h plating time. Corrosion rate varied between 2.41 and 3.40 {micro}m/y. The surface of the coupons in the salt spray chamber had a good appearance at the end of the 568-hour test.

  18. Magnetoelastic Coupling and Symmetry Breaking in the Frustrated Antiferromagnet {alpha}-NaMnO{sub 2}

    SciTech Connect (OSTI)

    Giot, Maud [Institute of Electronic Structure and Laser, Foundation for Research and Technology - Hellas, Vassilika Vouton, 71110 Heraklion (Greece); ISIS, Science and Technology Facilities Council, Rutherford Appleton Laboratory, Chilton-Didcot, OX11 0QX, Oxfordshire (United Kingdom); Chapon, Laurent C.; Radaelli, Paolo G. [ISIS, Science and Technology Facilities Council, Rutherford Appleton Laboratory, Chilton-Didcot, OX11 0QX, Oxfordshire (United Kingdom); Androulakis, John; Lappas, Alexandros [Institute of Electronic Structure and Laser, Foundation for Research and Technology - Hellas, Vassilika Vouton, 71110 Heraklion (Greece); Green, Mark A. [NIST Center for Neutron Research, 100 Bureau Drive, Gaithersburg, Maryland 20899-8562 (United States); Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742-2115 (United States)

    2007-12-14T23:59:59.000Z

    The magnetic and crystal structures of the {alpha}-NaMnO{sub 2} have been determined by high-resolution neutron powder diffraction. The system maps out a frustrated triangular spin lattice with anisotropic interactions that displays two-dimensional spin correlations below 200 K. Magnetic frustration is lifted through magneto-elastic coupling, evidenced by strong anisotropic broadening of the diffraction profiles at high temperature and ultimately by a structural phase transition at 45 K. In this low-temperature regime a three-dimensional antiferromagnetic state is observed with a propagation vector k=((1/2),(1/2),0)

  19. Tako imenovani Na?rt za pridigo iz rokopisne dobe slovenš?ine

    E-Print Network [OSTI]

    Mikhailov, Nikolai

    1999-01-01T23:59:59.000Z

    ?mlicherweise ist aber die Akkusa- tivrektion gebraucht (wahrscheinlich als Analogie: Ia + Acc. 'f?r'). naIega Pron. poss. 1. P. PI. m. Gen. Sg. in -ega. goIpudy Subst. m. des i-Stammes (wie im CRR, SR, KR, SGR) pr?sentiert hier den U-Reflex des ursl. o, was ein... Zeichen der no- tranjgina oder der dolenjSCina sein kann. tu Adv. loc. mod. slow. tu 'hier' oder Pron. dem. N. Sg. n. mod. slow. to mit dem U-Ref lex. Iy k?nnte das Reflexivpronomen si sein. Semantisch m??te es aber als ie 'noch' in- terpretiert...

  20. Publisher's note: Branching ratios for the beta decay of Na-21 (vol 74, pg 015501, 2006)

    E-Print Network [OSTI]

    Iacob, V. E.; Hardy, John C.; Gagliardi, Carl A.; Goodwin, J.; Nica, N.; Park, H. I.; Tabacaru, G.; Trache, L.; Tribble, Robert E.; Zhai, Y.; Towner, I. S.

    2006-01-01T23:59:59.000Z

    PHYSICAL REVIEW C 74, 029901(E) (2006) Publisher?s Note: Branching ratios for the ? decay of 21Na [Phys. Rev. C 74, 015501 (2006)] V. E. Iacob, J. C. Hardy, C. A. Gagliardi, J. Goodwin, N. Nica, H. I. Park, G. Tabacaru, L. Trache, R. E. Tribble..., Y. Zhai, and I. S. Towner (Received 31 July 2006; published 11 August 2006) DOI: 10.1103/PhysRevC.74.029901 PACS number(s): 27.30.+t, 23.40.?s, 99.10.Fg This paper was published online on 14 July 2006 with formatting errors in Eqs. (7) and (9...

  1. Thermonuclear reaction rate of $^{18}$Ne($?$,$p$)$^{21}$Na from Monte-Carlo calculations

    E-Print Network [OSTI]

    P. Mohr; R. Longland; C. Iliadis

    2014-12-14T23:59:59.000Z

    The $^{18}$Ne($\\alpha$,$p$)$^{21}$Na reaction impacts the break-out from the hot CNO-cycles to the $rp$-process in type I X-ray bursts. We present a revised thermonuclear reaction rate, which is based on the latest experimental data. The new rate is derived from Monte-Carlo calculations, taking into account the uncertainties of all nuclear physics input quantities. In addition, we present the reaction rate uncertainty and probability density versus temperature. Our results are also consistent with estimates obtained using different indirect approaches.

  2. Thermonuclear reaction rate of $^{18}$Ne($\\alpha$,$p$)$^{21}$Na from Monte-Carlo calculations

    E-Print Network [OSTI]

    Mohr, P; Iliadis, C

    2014-01-01T23:59:59.000Z

    The $^{18}$Ne($\\alpha$,$p$)$^{21}$Na reaction impacts the break-out from the hot CNO-cycles to the $rp$-process in type I X-ray bursts. We present a revised thermonuclear reaction rate, which is based on the latest experimental data. The new rate is derived from Monte-Carlo calculations, taking into account the uncertainties of all nuclear physics input quantities. In addition, we present the reaction rate uncertainty and probability density versus temperature. Our results are also consistent with estimates obtained using different indirect approaches.

  3. NA-ASC-500-13 Issue 26 ASC eNews Quarterly Newsletter

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment SurfacesResource ProgramModificationEnzyme-FunctionalizedCirculatoryoNA-ASC-500-13

  4. OFFICE OF CIVIL RIGHTS NA-1.2 VIDEO LIBRARY Item Title

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICE OF CIVIL RIGHTS NA-1.2 VIDEO LIBRARY Item

  5. Office of Civil Rights NA-1.2 VIDEO LIBRARY Item Title

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICE OF CIVIL RIGHTS NA-1.2 VIDEOConflict

  6. Office of Civil Rights NA-1.2 VIDEO LIBRARY Item Title

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICE OF CIVIL RIGHTS NA-1.2 VIDEOConflictMental

  7. Office of Civil Rights NA-1.2 VIDEO LIBRARY Item Title

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICE OF CIVIL RIGHTS NA-1.2

  8. Office of Civil Rights NA-1.2 VIDEO LIBRARY Item Title

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of theOFFICE OF CIVIL RIGHTS NA-1.2APAC w/ Nancy

  9. NaRec New and Renewable Energy Centre | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to:46 -Energieprojekte3Informationof Energy Calculator29 Jump to:NaRec New and

  10. NaSt1: A Wolf-Rayet star cloaked by an eta Car--like nebula?

    E-Print Network [OSTI]

    Paul A. Crowther; Linda J. Smith

    1999-03-26T23:59:59.000Z

    We present a study of the peculiar Galactic emission line object NaSt1 (WR122, IRAS 18497+0056) which has previously been classified as a Wolf-Rayet (WR) star. Our spectroscopic dataset comprises Keck I-HIRES, WHT-ISIS and UKIRT-CGS4 observations which show that NaSt1 has a highly reddened nebular spectrum with extremely strong permitted and forbidden lines covering a wide range in excitation. [OII-III] is unusually weak, with HeI-II and [NII] very strong, and carbon absent, suggestive of chemical peculiarities. Narrow-band WHT imaging reveals an elliptical nebula with an average diameter of 6.8arcsec. We measure an interstellar extinction of E(B-V)=2.1mag and estimate a distance of 1-3kpc, suggesting that NaSt1 is a luminous object, with 40.64, N enhanced by a factor of 20, O deficient by a factor of 140, while Ne, Ar and S are normal compared to average HII region abundances. This unusual abundance pattern suggests that the nebula consists of fully CNO-processed material. We compare the spectral appearance of NaSt1 with other luminous emission objects, and conclude that it is not an Ofpe/WN9, B[e] star or symbiotic nova although it does share several characteristics of these systems. We suggest instead that NaSt1 contains a massive evolved star that ejected its heavily CNO-processed outer layers a few thousand years ago. Although the stellar remnant is completely hidden from view by the dense nebula, we argue that the star must be an early-type WR star. The only object that shares some of the peculiarities of NaSt1 is eta Carinae. Whatever its true nature, NaSt1 should no longer be considered as a late-WN classification standard in the near-IR.

  11. High temperature mass spectrometric investigation of the equilibrium vapor composition over three-component mixtures of CsI, NaI, and DyI/sub 3/

    SciTech Connect (OSTI)

    Kaposi, O.; Szilagyi, J.; Lelik, L.

    1984-10-01T23:59:59.000Z

    The molar composition of the saturated vapor phase over ternary iodides of CsI, NaI, and DyI/sub 3/ at 860 to 1060 K was investigated by means of a mass spectrometer equipped with a Knudsen cell evaporator system. Fragmentation patterns and appearance potentials for the most intense ions were determined. Besides the previously detected fragments in the equilibrium vapor above the two-component systems, fragment ions from the complex molecules NaCsDyI/sub 5/, Na/sub 2/CsDyI/sub 6/, NaCs/sub 2/DyI/sub 6/, and Na/sub 3/Cs/sub 2/DyI/sub 8/ were found. Ion current vs temperature data yielded heats of sublimation: ..delta..H/sub s/ (NaCsDyI/sub 5/)/sub 960K/ = 320 +/- 13 kJ/mol; ..delta..H/sub s/ (Na/sub 2/CsDyI/sub 6/)/sub 960K/ = 325 +/- 11 kJ/mol; ..delta..H/sub s/ (NaCs/sub 2/DyI/sub 6/)/sub 960K/ = 348 +/- 15 kJ/mol; and ..delta..H/sub s/ (Na/sub 3/Cs/sub 2/DyI/sub 8/)/sub 960K/ = 366 +/- 17 kJ/mol. From the various high-temperature equilibrium reactions, one may calculate the following heats of formation: ..delta..H/sub f/ (NaCsDyI/sub 5/)/sub g/ = -863 +/- 23 kJ/mol; ..delta..H/sub f/ (Na/sub 2/CsDyI/sub 6/)/sub g/ = -1170 +/- 31 kJ/mol; ..delta..H/sub f/ (NaCs/sub 2/DyI/sub 6/)/sub g/ = -1235 +/- 33 kJ/mol; and ..delta..H/sub f/ (Na/sub 3/Cs/sub 2/DyI/sub 8/) = -1806 +/- 17 kJ/mol.

  12. Measurements of NaI:Tl Electron Response using SLYNCI: Comparison of Different Samples

    SciTech Connect (OSTI)

    Hull, G; Choong, W; Moses, W W; Bizarri, G; Valentine, J D; Payne, S A; Cherepy, N; Reutter, B W

    2007-11-12T23:59:59.000Z

    This paper measures the sample to sample variation in the light yield non-proportionality of NaI:Tl, and so explores whether this is an invariant characteristic of the material or whether it is dependent on the chemical and physical properties of tested sample. In this work we report on the electron response of nine crystals of NaI(Tl), differing in shape, volume, age, manufacturer and quality. The non-proportionality has been measured at the SLYNCI facility in the energy range between 3.5 to 460 keV. The Scintillation Light Yield Non-proportionality Characterization Instrument (SLYNCI) is a next generation Compton Coincidence device, explicitly designed to study the 'non-proportionality' of the electron response in scintillators and the contribution of this effect to the intrinsic energy resolution. We also discuss the gamma response, x-ray excited emission spectra and decay times for the nine crystals, in order to provide a complete characterization of their physical properties and determine whether the mechanism of scintillation varies between samples.

  13. Measurements of NaI(Tl) electron response: comparison of different samples

    SciTech Connect (OSTI)

    Hull, Giulia; Choong, Woon-Seng; Moses, William W.; Bizarri, Gregory; Valentine, John D.; Payne, Stephen A.; Cherepy, Nerine J.; Reutter, Bryan W.

    2008-12-10T23:59:59.000Z

    This paper measures the sample to sample variation in the light yield proportionality of NaI(Tl), and so explores whether this is an invariant characteristic of the material or whether it depends on the chemical and physical properties of the tested samples. We report on the electron response of nine crystals of NaI(Tl), differing in shape, volume, age, manufacturer and quality. The proportionality has been measured at the SLYNCI facility in the energy range between 3.5 to 460 keV. We observe that while samples produced by the same manufacturer at approximately the same time have virtually identical electron response curves, there are significant sample to sample variations among crystals produced by different manufacturers or at different times. In an effort to correlate changes in the electron response with details of the scintillation mechanism, we characterized other scintillation properties, including the gamma response and the x-ray excited emission spectra and decay times, for the nine crystals. While sample to sample differences in these crystals were observed, we have been unable to identify the underlying fundamental mechanisms that are responsible for these differences.

  14. The Old New Frontier: Studying the CERN-SPS Energy Range with NA61/SHINE

    E-Print Network [OSTI]

    Marek Szuba; for the NA61/SHINE Collaboration

    2012-09-26T23:59:59.000Z

    With the Large Hadron Collider entering its third year of granting us insight into the highest collision energies to date, one should nevertheless keep in mind the unexplored physics potential of lower energies. A prime example here is the NA61/SHINE experiment at the CERN Super Proton Synchrotron. Using its large-acceptance hadronic spectrometer, SHINE aims to accomplish a number of physics goals: measuring spectra of identified hadrons in hadron-nucleus collisions to provide reference for accelerator neutrino experiments and cosmic-ray observatories, investigating particle properties in the large transverse-momentum range for hadron+hadron and hadron+nucleus collisions for studying the nuclear modification factor at SPS energies, and measuring hadronic observables in a particularly interesting region of the phase diagram of strongly-interacting matter to study the onset of deconfinement and search for the critical point of strongly-interacting matter with nucleus-nucleus collisions. This contribution shall summarise results obtained so far by NA61/SHINE, as well as present the current status and plans of its experimental programme.

  15. Fort Inge and the Texas frontier, 1849-1869

    E-Print Network [OSTI]

    Smith, Thomas Tyree

    1991-01-01T23:59:59.000Z

    ) May 1991 ABSTRACT Fort Inge and the Texas Frontier, 1849-1869. (May 1991) Thomas Tyree Smith B. S. in Ed. , Southwest Texas State University Chair of Advisory Committee: Dr. Joseph G. Dawson III Now an obscure site near Uvalde, Fort Inge was once...'s Report on the Eighth Nilitary Department, " Cartographic Division, DR 148, RG 77, NA. 12 NOTES 1. Frederick Law Olmsted, A Journey Through Texas: Or A Saddle- Trip On the Southwestern Frontier (New York: Dix, Edwards 6 Co. , 1857; rpr. , Austin...

  16. Investigation of SiO{sub 2}:Na{sub 2}O ratio as a corrosion inhibitor for metal alloys

    SciTech Connect (OSTI)

    Mohamad, N.; Othman, N. K. [School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor Darul Ehsan (Malaysia); Jalar, A. [Institute of Micro Engineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor Darul Ehsan (Malaysia)

    2013-11-27T23:59:59.000Z

    The silicate is one of the potential compounds used as a corrosion inhibitor for metal alloys. The mixture between silica and sodium hydroxide (NaOH) succeeded to produce the silicate product. The formulation of a silicate product normally variable depended by the different ratio of SiO{sub 2}:Na{sub 2}O. This research utilized the agriculture waste product of paddy using its rice husk. In this study, the amorphous silica content in rice husk ash was used after rice husk burnt in a muffle furnace at a certain temperature. The X-ray diffraction (XRD) analysis was done to determine the existence of amorphous phase of silica in the rice husk ash. There are several studies that recognized rice husk as an alternative source that obtained high silica content. The X-ray fluorescence (XRF) analysis was carried out to clarify the percentage amount of Si and O elements, which referred the silica compound in rice husk ash. The preparation of sodium silicate formulation were differ based on the SiO{sub 2}:Na{sub 2}O ratio (SiO{sub 2}:Na{sub 2}O ratio = 1.00, 2.00 and 3.00). These silicate based corrosion inhibitors were tested on several testing samples, which were copper (99.9%), aluminum alloy (AA 6061) and carbon steel (SAE 1045). The purpose of this study is to determine the appropriate SiO{sub 2}:Na{sub 2}O ratio and understand how this SiO{sub 2}:Na{sub 2}O ratio can affect the corrosion rate of each metal alloys immersed in acidic medium. In order to investigate this study, weight loss test was conducted in 0.5 M hydrochloric acid (HCl) for 24 hours at room temperature.

  17. Utilizao de Mtodos Geoestatsticos de Krigeagem Ordinria e Krigeagem por Indicao na Interpolao de Dados Geoqumicos de Solos: Uma

    E-Print Network [OSTI]

    Camara, Gilberto

    Interpolação de Dados Geoquímicos de Solos: Uma Comparação WALDIZA BRAND�O 1 1 INPE - Instituto Nacional de. A Geoestatística é um desses modelos e sua base conceitual está fundamentada na teoria das variáveis regionalizadas a interpolação de dados geoquímicos de solo do depósito de Cu do Pojuca, situado na Província Mineral de Carajás

  18. Thermochemical generation of hydrogen and oxygen from water. [NaMnO/sub 2/ and TiO/sub 2/

    DOE Patents [OSTI]

    Robinson, P.R.; Bamberger, C.E.

    1980-02-08T23:59:59.000Z

    A thermochemical cyclic process for the production of hydrogen exploits the reaction between sodium manganate (NaMnO/sub 2/) and titanium dioxide (TiO/sub 2/) to form sodium titanate (Na/sub 2/TiO/sub 3/), manganese (II) titanate (MnTiO/sub 3/) and oxygen. The titanate mixture is treated with sodium hydroxide, in the presence of steam, to form sodium titanate, sodium manganate (III), water and hydrogen. The sodium titanate-manganate (III) mixture is treated with water to form sodium manganate (III), titanium dioxide and sodium hydroxide. Sodium manganate (III) and titanium dioxide are recycled following dissolution of sodium hydroxide in water.

  19. Crystal Chemistry of NaMgF3 Perovskite at High Pressure and Temperature

    SciTech Connect (OSTI)

    Chen,J.; Liu, H.; Martin, C.; Parise, J.; Weidner, D.

    2005-01-01T23:59:59.000Z

    The crystal structure of NaMgF{sub 3} perovskite (neighborite) has been studied at 4 GPa and temperatures up to 1000 C using the Rietveld structure-refinement method. In situ synchrotron X-ray powder diffraction data was collected using monochromatic radiation. The orthorhombic (Pbnm) to cubic (Pm{bar 3}m) transition was observed when the temperature increased from 900 to 1000 C. Structure refinements show that the ratio of polyhedral volumes of the A and B sites (V{sub A}/V{sub B}) of the orthorhombic phase increases with temperature, approaching the ideal value (5) for the cubic structure. However, this ratio becomes smaller at 4 GPa compared to the result from previous studies at the same temperature but ambient pressure, indicating that pressure makes it more difficult to transform from the orthorhombic phase to the cubic phase in this kind of perovskite.

  20. Magnetically Driven Metal-Insulator Transition in NaOsO3

    SciTech Connect (OSTI)

    Calder, Stuart A [ORNL; Christianson, Andrew D [ORNL; Lumsden, Mark D [ORNL; Lang, Jonathan [Argonne National Laboratory (ANL); Stone, Matthew B [ORNL; McMorrow, D. F. [University College, London; Garlea, Vasile O [ORNL; Kim, Jong-Woo [Argonne National Laboratory (ANL); Schlueter, J. A. [Argonne National Laboratory (ANL); Shi, Y. G. [Chinese Academy of Sciences; Yamaura, K. [National Institute for Materials Science, Tsukuba, Japan; Sun, Y. S. [MANA; Tsujimoto, Y. [Kyoto University, Japan

    2012-01-01T23:59:59.000Z

    The metal-insulator transition (MIT) is one of the most dramatic manifestations of electron correlations in materials. Various mechanisms producing MITs have been extensively considered, including the Mott (electron localization via Coulomb repulsion), Anderson (localization via disorder), and Peierls (local- ization via distortion of a periodic one-dimensional lattice) mechanisms. One additional route to a MIT proposed by Slater, in which long-range magnetic order in a three dimensional system drives the MIT, has received relatively little attention. Using neutron and x-ray scattering we show that the MIT in NaOsO3 is coincident with the onset of long-range commensurate three dimensional magnetic order. While candidate materials have been suggested, our experimental methodology allows the first definitive demonstration of the long predicted Slater MIT.

  1. Total reflection infrared spectroscopy of water-ice and frozen aqueous NaCl solutions

    SciTech Connect (OSTI)

    Walker, Rachel L.; Searles, Keith; Willard, Jesse A.; Michelsen, Rebecca R. H., E-mail: RMichelsen@rmc.edu [Department of Chemistry, Randolph-Macon College, P.O. Box 5005, Ashland, Virginia 23005 (United States)] [Department of Chemistry, Randolph-Macon College, P.O. Box 5005, Ashland, Virginia 23005 (United States)

    2013-12-28T23:59:59.000Z

    Liquid-like and liquid water at and near the surface of water-ice and frozen aqueous sodium chloride films were observed using attenuated total reflection infrared spectroscopy (ATR-IR). The concentration of NaCl ranged from 0.0001 to 0.01 M and the temperature varied from the melting point of water down to 256 K. The amount of liquid brine at the interface of the frozen films with the germanium ATR crystal increased with salt concentration and temperature. Experimental spectra are compared to reflection spectra calculated for a simplified morphology of a uniform liquid layer between the germanium crystal and the frozen film. This morphology allows for the amount of liquid observed in an experimental spectrum to be converted to the thickness of a homogenous layer with an equivalent amount of liquid. These equivalent thickness ranges from a nanometer for water-ice at 260 K to 170 nm for 0.01 M NaCl close to the melting point. The amounts of brine observed are over an order of magnitude less than the total liquid predicted by equilibrium thermodynamic models, implying that the vast majority of the liquid fraction of frozen solutions may be found in internal inclusions, grain boundaries, and the like. Thus, the amount of liquid and the solutes dissolved in them that are available to react with atmospheric gases on the surfaces of snow and ice are not well described by thermodynamic equilibrium models which assume the liquid phase is located entirely at the surface.

  2. Surface Tensions in NaCl-Water-Air Systems from MD Simulations Ranjit Bahadur, Lynn M. Russell,*, and Saman Alavi

    E-Print Network [OSTI]

    Russell, Lynn

    Surface Tensions in NaCl-Water-Air Systems from MD Simulations Ranjit Bahadur, Lynn M. Russell, Ottawa, Ontario K1A 0R6, Canada ReceiVed: July 9, 2007; In Final Form: July 30, 2007 Surface tensions to the surface tension, while the energy-integral and test area methods provide direct estimates. At 1 atm

  3. L'identit gomtrie variable des jeunes hommes Kali'na de Mana (Guyane franaise) : sur quelle mesure ?

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    disperse au Brésil, au Surinam, jusqu'au Guyana et au Venezuela (Ethnies 1985 :14). En 1958, la population, conséquence de la guerre civile du Surinam. Aujourd'hui, les Kali'na sont entre de 2800 et 4000 individus

  4. Solar Energy Materials & Solar Cells 58 (1999) 199}208 The behaviour of Na implanted into Mo thin "lms

    E-Print Network [OSTI]

    Rockett, Angus

    Solar Energy Materials & Solar Cells 58 (1999) 199}208 The behaviour of Na implanted into Mo thin, As ngstro( m Solar Center, P.O. Box 534, SE-751 21 Uppsala, Sweden Department of Materials Science Mo thin "lms used as back contacts for Cu(In,Ga)Se solar cells. The samples were analysed

  5. Structure and luminescence properties of silver-doped NaY(PO{sub 3}){sub 4} crystal

    SciTech Connect (OSTI)

    El Masloumi, M. [CNRS, Universite Bordeaux, ICMB, 87 Avenue du Dr A. Schweitzer, Pessac F-33608 (France); Faculte des Sciences Semlalia, LC S M, Marrakech, Maroc (Morocco); Jubera, V.; Pechev, S.; Chaminade, J.P. [CNRS, Universite Bordeaux, ICMB, 87 Avenue du Dr A. Schweitzer, Pessac F-33608 (France); Videau, J.J. [CNRS, Universite Bordeaux, ICMB, 87 Avenue du Dr A. Schweitzer, Pessac F-33608 (France)], E-mail: videau@icmcb-bordeaux.cnrs.fr; Mesnaoui, M.; Maazaz, M. [Faculte des Sciences Semlalia, LC S M, Marrakech, Maroc (Morocco); Moine, B. [Universite Claude -Bernard, Lyon 1, L PCM L, 10 rue A.M. Ampere, Villeurbanne F-69622 (France)

    2008-11-15T23:59:59.000Z

    Single crystals of NaY(PO{sub 3}){sub 4} and Ag{sub 0.07}Na{sub 0.93}Y(PO{sub 3}){sub 4} have been synthesized by flux method. These new compounds turned out to be isostructural to NaLn(PO{sub 3}){sub 4}, with Ln=La, Nd, Gd and Er [monoclinic, P2{sub 1}/n, a=7.1615(2) A, b=13.0077(1) A, c=9.7032 (3) A, {beta}=90.55 (1){sup o}, V=903.86(14) A{sup 3} and Z=4]. The structure is based upon long polyphosphate chains running along the shortest unit-cell direction and made up of PO{sub 4} tetrahedra sharing two corners, linked to yttrium and sodium polyhedra. Infrared and Raman spectra at room temperature confirms this atomic arrangement. The luminescence of silver ions was reported in metaphosphate of composition Ag{sub 0.07}Na{sub 0.93}Y(PO{sub 3}){sub 4}. One luminescent centre was detected and assigned to single Ag{sup +} ions. - Graphical abstract: The presence of only one Ag{sup +} luminescence centre is the result from the perfect isolation (Ag{sup +}-Ag{sup +}=5.90 A) of each oxygenated silver site (AgO{sub 8} polyhedra) sharing two faces and one corner with three yttrium polyhedra.

  6. Spectral and temporal structures of high-order harmonic generation of Na in intense mid-ir laser fields

    E-Print Network [OSTI]

    Chu, Shih-I

    and efficient propagation of the wave function in space and time. Excellent agreement of the HHG spectrum into different HHG mechanisms in different energy regimes of Na atoms at long wavelengths. DOI: 10.1103/Phys,2 . The generation of har- monics in rare-gas atoms that extend up to orders of about 300 well within the water

  7. Q value of the superallowed decay of Mg-22 and the calibration of the Na-21(p,gamma) experiment

    E-Print Network [OSTI]

    Savard, G.; Clark, JA; Buchinger, F.; Crawford, JE; Gulick, S.; Hardy, John C.; Hecht, AA; Iacob, VE; Lee, JKP; Levand, AF; Lundgren, BF; Scielzo, ND; Sharma, KS; Tanihata, I.; Towner, IS; Trimble, W.; Wang, JC; Wang, Y.; Zhou, Z.

    2004-01-01T23:59:59.000Z

    The masses of the radioactive nuclei Mg-22 and Na-22 have been measured with the Canadian Penning trap on-line mass spectrometer to a precision of 3x10(-8) and 1x10(-8), respectively. A Q(EC) value of 4124.39(73) keV for the superallowed beta decay...

  8. Multiple NaNbO3/Nb2O5 Heterostructure Nanotubes: A New Class of Ferroelectric/Semiconductor

    E-Print Network [OSTI]

    are created inside hollow Nb2O5 nanotubes, forming a novel class of multiple ferroelectric (NaNbO3 multifunctional ferroelectric/semiconductor devices. The scientific and technological interest in tubular nano within the nanotube's hollow. Herein, we employed a nanotube-confined growth strategy for the one

  9. Journal of Power Sources 165 (2007) 509516 Direct NaBH4/H2O2 fuel cells

    E-Print Network [OSTI]

    Carroll, David L.

    Published by Elsevier B.V. Keywords: Fuel cell; Hydrogen peroxide; Regenerative fuel cell; Sodium) /hydrogen per- oxide (H2O2) fuel cell (FC) is under development jointly by the University of IllinoisJournal of Power Sources 165 (2007) 509­516 Direct NaBH4/H2O2 fuel cells George H. Mileya,e,, Nie

  10. Quadruple-layered perovskite (CuCl)Ca{sub 2}NaNb{sub 4}O{sub 13}

    SciTech Connect (OSTI)

    Kitada, A.; Tsujimoto, Y.; Yamamoto, T. [Department of Energy and Hydrocarbon Chemistry, Faculty of Engineering, Kyoto University, Nishikyo, Kyoto 615-8510 (Japan); Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502 (Japan); Kobayashi, Y. [Department of Energy and Hydrocarbon Chemistry, Faculty of Engineering, Kyoto University, Nishikyo, Kyoto 615-8510 (Japan); Narumi, Y. [Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581 (Japan); Institute for Materials Research, Tohoku University, Katahira 2-1-1, Sendai 980-8577 (Japan); Kindo, K. [Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581 (Japan); Aczel, A.A.; Luke, G.M. [Department of Physics and Astronomy, McMaster University, Hamilton, Ontario, L8S 4M1 (Canada); Uemura, Y.J. [Department of Physics, Columbia University, New York, NY 10027 (United States); Kiuchi, Y.; Ueda, Y. [Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581 (Japan); Yoshimura, K. [Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502 (Japan); Ajiro, Y. [Department of Energy and Hydrocarbon Chemistry, Faculty of Engineering, Kyoto University, Nishikyo, Kyoto 615-8510 (Japan); Kageyama, H., E-mail: kage@scl.kyoto-u.ac.jp [Department of Energy and Hydrocarbon Chemistry, Faculty of Engineering, Kyoto University, Nishikyo, Kyoto 615-8510 (Japan); Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502 (Japan); Institute for Integrated Cell-Material Sciences, Kyoto University, Sakyo, Kyoto 606-8501 (Japan); CREST, Japan Science and Technology Agency, Kawaguchi 332-0012 (Japan)

    2012-01-15T23:59:59.000Z

    We will present the synthesis, structure and magnetic properties of a new quadruple-layered perovskite (CuCl)Ca{sub 2}NaNb{sub 4}O{sub 13}. Through a topotactic ion-exchange reaction with CuCl{sub 2}, the precursor RbCa{sub 2}NaNb{sub 4}O{sub 13} presumably having an incoherent octahederal tliting changes into (CuCl)Ca{sub 2}NaNb{sub 4}O{sub 13} with a 2a{sub p} Multiplication-Sign 2a{sub p} Multiplication-Sign 2c{sub p} superstructure (tetragonal; a=7.73232(5) A, c=39.2156(4) A). The well-defined superstructure for the ion-exchanged product should be stabilized by the inserted CuCl{sub 4}O{sub 2} octahedral layers that firmly connect with neighboring perovskite layers. Magnetic studies show the absence of long-range magnetic ordering down to 2 K despite strong in-plane interactions. Aleksandrov Prime s group theory and Rietveld refinement of synchrotron X-ray diffraction data suggest the structure to be of I4/mmm space group with in-phase tilting along the a and b axes, a two-tilt system (++0). - Graphical Abstract: We present a quadruple-layered copper oxyhalide (CuCl)Ca{sub 2}NaNb{sub 4}O{sub 13} synthesized through a topotactic ion-exchange reaction of RbCa{sub 2}NaNb{sub 4}O{sub 13} with CuCl{sub 2}. The compound has a well-defined superstructure. Magnetic studies suggest the absence of magnetic order even at 2 K. Highlights: Black-Right-Pointing-Pointer (CuCl)Ca{sub 2}NaNb{sub 4}O{sub 13} was prepared by ion-exchange reaction of RbCa{sub 2}NaNb{sub 4}O{sub 13} with CuCl{sub 2}. Black-Right-Pointing-Pointer Compound has a 2a{sub p} Multiplication-Sign 2a{sub p} Multiplication-Sign 2c{sub p} superstructure (tetragonal; a=7.73 A, c=39.21 A). Black-Right-Pointing-Pointer Such a well-defined superstructure was not observed in the precursor compound. Black-Right-Pointing-Pointer Aleksandrov Prime s theory and Rietveld study suggest a (++0) octahedral tilting (I4/mmm). Black-Right-Pointing-Pointer Magnetic studies revealed the absence of magnetic order down to 2 K.

  11. Measurement of the Low Energy Nuclear Response in NaI(Tl) Crystals for Use in Dark Matter Direct Detection Experiments

    E-Print Network [OSTI]

    Stiegler, Tyana Michele

    2013-07-30T23:59:59.000Z

    The response of low energy nuclear recoil in NaI(Tl) is investigated in the following experiment. Such detectors have been used recently to search for evidence of dark matter in the form of weakly interacting massive particles (WIMPs). Na...

  12. Minorization and the process of (de)minoritization: the case of Kali'na in French Isabelle Lglise and Sophie Alby

    E-Print Network [OSTI]

    Boyer, Edmond

    of Kali'na in French Guiana Introduction The concept of diglossia, according to the broad definitionsMinorization and the process of (de)minoritization: the case of Kali'na in French Guiana Isabelle Indigenous language of French Guiana, from the point of view of descriptive categories available

  13. E-Print Network 3.0 - artificiais na caracterizacao Sample Search...

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

    (dL g)21 Cat... . E.F. Lucas, B.G. Soares, and E. Monteiro, Caracterizacao de Polimeros, e-papers, Rio de Janeiro Source: North Texas, University of - Department of...

  14. N/Z and N/A dependence of balance energy as a probe of symmetry energy in heavy-ion collisions

    E-Print Network [OSTI]

    Aman D. Sood

    2011-07-21T23:59:59.000Z

    We study the N/Z and N/A dependence of balance energy (E$_{bal}$) for isotopic series of Ca having N/Z (N/A) varying from 1.0 to 2.0 (0.5 to 0.67). We show that the N/Z (N/A) dependence of E$_{bal}$ is sensitive to symmetry energy and its density dependence at densities higher than saturation density and is insensitive towards the isospin dependence of nucleon-nucleon (nn) cross section and Coulomb repulsion. We also study the effect of momentum dependent interactions (MDI) on the N/Z (N/A) dependence of E$_{bal}$. We find that although MDI influences the E$_{bal}$ drastically, the N/Z (N/A) dependence of E$_{bal}$ remains unchanged on inclusion of MDI.

  15. Examination of Na-Doped Mo Sputtering for CIGS Devices: Cooperative Research and Development Final Report, CRADA Number CRD-10-375

    SciTech Connect (OSTI)

    Repins, I.

    2012-01-01T23:59:59.000Z

    This work has investigated the use of Na doped Mo (MONA) sputtering targets for use in preparing CIGS devices. The Mo:Na material is doped to about 3% Na by weight, implying that a 40 nm layer on top of the standard Mo contact contains sufficient Na to dope a 2.5 ..mu..m CIGS film. The ability to control Na doping independent of both CIGS processing conditions and adhesion is an important gain for industry and research. Manufacturers gain a route to increased manufacturability and performance, while NREL researchers gain a tightened performance distribution of devices and increased process flexibility. Our immediate partner in this work, the Climax Molybdenum Technology Center, gains validation of their product.

  16. CO adsorption-desorption properties of cation-exchanged NaX zeolite and supported ruthenium

    SciTech Connect (OSTI)

    Gupta, N.M.; Kamble, V.S.; Rao, K.A.; Iyer, R.M. (Bhabha Atomic Research Centre, Bombay (India))

    1989-12-01T23:59:59.000Z

    The binding states of carbon monoxide over cation-exchanged NaX zeolites and over corresponding Ru-containing samples have been investigated using thermal desorption spectroscopy. Exchange of sodium with cations such as Li{sup +}, Ca{sup 2+}, Mg{sup 2+}, and La{sup 3+} gave rise to additional CO adsorption states, a higher isosteric heat of CO adsorption, an increased density of acid sites, and an increased amount of adsorbed CO, depending on the nature and ionic radius of the charge-balancing cation. The charge-balancing cations at the zeolite surface (e.g., Ca{sub 2+}, La{sup 3+}) function as additional CO adsorption sites in conjunction with surface acid centers (e.g., the Al{sup 3+} center) and metal sites. In addition to surface sites, CO is also found to be held in structural cavities and macropores of the zeolite matrix. The programmed heating of both the metal-free and Ru-containing zeolites subsequent to room temperature CO adsorption gave desorption peaks due to release of CO at temperatures less than {approximately}500 K while the higher temperature peaks were constituted mainly of CO{sub 2}. Electron spectroscopy results have revealed that the exposure of these samples to CO and subsequent thermal treatment resulted in the formation of surface carbonaceous species. The nature of CO adsorption states giving rise to CO{sub 2} formation is discussed.

  17. Spin-lozenge thermodynamics and magnetic excitations in Na3RuO4

    SciTech Connect (OSTI)

    Haraldsen, Jason T [ORNL; Stone, Matthew B [ORNL; Lumsden, Mark D [ORNL; Barnes, Ted {F E } [ORNL; Jin, Rongying [ORNL; Taylor, J. W. [ISIS Facility, Rutherford Appleton Laboratory; Fernandez-Alonso, F [ISIS Facility, Rutherford Appleton Laboratory

    2009-01-01T23:59:59.000Z

    We report inelastic and elastic neutron scattering, magnetic susceptibility, and heat capacity measurements of polycrystalline sodium ruthenate (Na3RuO4). Previous work suggests this material consists of isolated tetramers of S = 3/2 Ru5+ ions in a so-called lozenge configuration. Using a Heisenberg antiferromagnet Hamiltonian, we analytically determine the energy eigenstates for general spin S. From this model, the neutron scattering cross-sections for excitations associated with spin-3/2 tetramer configurations is determined. Comparison of magnetic susceptibility and inelastic neutron scattering results shows that the proposed lozenge model is not distinctly supported, but provides evidence that the system may be better described as a pair of non-interacting inequivalent dimers, i.e double dimers. However, the existence of long-range magnetic order below Tc ? 28 K immediately questions such a description. Although no evidence of the lozenge model is observed, future studies on single crystals may further clarify the appropriate magnetic Hamiltonian.

  18. New results on direct CP violation in charged kaon decays by NA48/2

    E-Print Network [OSTI]

    G. Lamanna

    2006-05-15T23:59:59.000Z

    The NA48/2 result, based on the data collected during the 2003 run, on direct CP violation in $K^{\\pm}\\to\\pi^{\\pm}\\pi^0\\pi^0$ decay is presented. The main goal of the experiment is to reach a sensitivity at level of $10^{-4}$ in the measurement of the charge asymmetry parameter $A_g=(g^+-g^-)/(g^++g^-)$, where $g$ is the \\emph{linear slope} of the Dalitz plot in the $K\\to 3\\pi$ decay. Thanks to the simultaneous collection of the two kaon charges and to the high resolution of the main sub-detectors, the systematics uncertainties are kept under the statistical error level. The experimental procedure, the analysis technique and the main systematics are discussed to present the final result $$ A_g=(1.8\\pm2.6)\\times 10^{-4} $$ This result based on more than $45\\cdot10^6$ events, correspondig to one half of the whole two year data taking, is about an order of magnitude more precise with respect to the previous measurement.

  19. FeO-containing K-Na-rich silicate (`KNSF': SiO2 64.3 wt%, K2O 18.6 wt%, Na2O 12.4 wt%, FeO 4.6 wt%) with a low melting temperature. The experiments at the Australian

    E-Print Network [OSTI]

    Waxman, David

    FeO-containing K-Na-rich silicate (`KNSF': SiO2 64.3 wt%, K2O 18.6 wt%, Na2O 12.4 wt%, FeO 4.6 wt and equilibrated with the FeO- containing K-Na-rich silicate. The silicate material was prepared from a mixture drilled out of the KNSF silicate glass and were inserted into capsules fabricated from the Pd90Fe10 and Pt

  20. Hydrothermal synthesis and the crystal structure of borate cancrinite (Na,Ca){sub 2}[Na{sub 6}(AlSiO{sub 4}){sub 6}](BO{sub 3}) . 2H{sub 2}O

    SciTech Connect (OSTI)

    Shirinova, A. F. [Baku State University (Azerbaijan)], E-mail: afashf@rambler.ru; Khrustalev, V. N. [Russian Academy of Sciences, Nesmeyanov Institute of Organoelement Compounds (Russian Federation); Samedov, H. R. [National Academy of Sciences of Azerbaijan, Institute of Chemical Problems (Azerbaijan); Chiragov, M. I. [Baku State University (Azerbaijan)

    2006-01-15T23:59:59.000Z

    Transparent prismatic single crystals of borate cancrinite (Na,Ca){sub 2}[Na{sub 6}(AlSiO{sub 4}){sub 6}](BO{sub 3}) . 2H{sub 2}O are prepared through hydrothermal crystallization. The parameters of the hexagonal unit cell and intensities of 10806 reflections are measured on an Enraf-Nonius CAD4 automated diffractometer. The compound crystallizes in the hexagonal crystal system with the unit cell parameters a = 12.745(4) A, c = 5.180(2) A, V = 728.6(4) A{sup 3}, and space group P6{sub 3}. The structure is determined by direct methods and refined using the full-matrix least-squares procedure in the anisotropic approximation for the non-hydrogen atoms. The refinement of the structure is performed to the final discrepancy factor R{sub 1} = 0.027 for 2889 unique reflections with I > 2 {sigma} (I). In the structure of the borate cancrinite, the AlO{sub 4} and SiO{sub 4} tetrahedra form a zeolite-like framework in which twelve-membered hexagonal channels are occupied by sodium atoms and BO{sub 3} groups, whereas six-membered channels are filled with sodium and calcium atoms and water molecules. The mean interatomic distances are found to be as follows: (Si-O){sub mean} = 1.614 A and (Al-O){sub mean} = 1.741 A in the AlO{sub 4} and SiO{sub 4} tetrahedra, (Na-O){sub mean} = 2.542 A in the seven-vertex sodium polyhedra, and [(Na,Ca)-O]{sub mean} = 2.589 A in the ditrigonal bipyramids.

  1. Treatment of EBR-I NaK mixed waste at Argonne National Laboratory and subsequent land disposal at the Idaho National Engineering and Environmental Laboratory.

    SciTech Connect (OSTI)

    Herrmann, S. D.; Buzzell, J. A.; Holzemer, M. J.

    1998-02-03T23:59:59.000Z

    Sodium/potassium (NaK) liquid metal coolant, contaminated with fission products from the core meltdown of Experimental Breeder Reactor I (EBR-I) and classified as a mixed waste, has been deactivated and converted to a contact-handled, low-level waste at Argonne's Sodium Component Maintenance Shop and land disposed at the Radioactive Waste Management Complex. Treatment of the EBR-I NaK involved converting the sodium and potassium to its respective hydroxide via reaction with air and water, followed by conversion to its respective carbonate via reaction with carbon dioxide. The resultant aqueous carbonate solution was solidified in 55-gallon drums. Challenges in the NaK treatment involved processing a mixed waste which was incompletely characterized and difficult to handle. The NaK was highly radioactive, i.e. up to 4.5 R/hr on contact with the mixed waste drums. In addition, the potential existed for plutonium and toxic characteristic metals to be present in the NaK, resultant from the location of the partial core meltdown of EBR-I in 1955. Moreover, the NaK was susceptible to degradation after more than 40 years of storage in unmonitored conditions. Such degradation raised the possibility of energetic exothermic reactions between the liquid NaK and its crust, which could have consisted of potassium superoxide as well as hydrated sodium/potassium hydroxides.

  2. Role of the Na{sup +}/H{sup +} exchanger on the development of diabetes mellitus and its chronic complications

    SciTech Connect (OSTI)

    Sun, Yan-Ming [Department of Cardiac Care Unit, The First Affiliated Hospital of Harbin Medical University, Harbin 150001 (China)] [Department of Cardiac Care Unit, The First Affiliated Hospital of Harbin Medical University, Harbin 150001 (China); Su, Ying [Department of Endocrinology, The First Affiliated Hospital of Harbin Medical University, Harbin 150001 (China)] [Department of Endocrinology, The First Affiliated Hospital of Harbin Medical University, Harbin 150001 (China); Li, Jia; Tian, Ye [Department of Cardiac Care Unit, The First Affiliated Hospital of Harbin Medical University, Harbin 150001 (China)] [Department of Cardiac Care Unit, The First Affiliated Hospital of Harbin Medical University, Harbin 150001 (China); Wang, Lan-Feng, E-mail: wlfccu@126.com [Department of Cardiac Care Unit, The First Affiliated Hospital of Harbin Medical University, Harbin 150001 (China)] [Department of Cardiac Care Unit, The First Affiliated Hospital of Harbin Medical University, Harbin 150001 (China)

    2012-10-19T23:59:59.000Z

    Highlights: Black-Right-Pointing-Pointer NHE protect against intracellular hydrogen overload. Black-Right-Pointing-Pointer NHE protect {beta}-cells against strong acidification. Black-Right-Pointing-Pointer NHE inhibitors improve myocardial ischemia and reperfusion. -- Abstract: Micro- and macrovascular complications are the main cause of morbidity and mortality in diabetes mellitus. The Na{sup +}/H{sup +} exchanger (NHE) is a family of proteins which exchange Na{sup +} for H{sup +} according to their concentration gradients in an electroneutral manner. The exchanger also plays a key role in several other cellular functions including proliferation, differentiation, apoptosis, migration, and cytoskeletal organization. Since not much is known on the relationship between NHE and diabetes mellitus, this review outlines the contribution of NHE to chronic complications of diabetes mellitus, such as diabetic nephropathy; diabetic cardiomyopathy.

  3. Explorando Tecnicas de Reduc~ao de Base de Dados na Minerac~ao de Padr~oes Sequenciais

    E-Print Network [OSTI]

    Antwerpen, Universiteit

    Explorando T´ecnicas de Reduc¸~ao de Base de Dados na Minerac¸~ao de Padr~oes Seq¨uenciais Ciro mechanisms. Resumo. Neste trabalho, com o objetivo de reduzir o custo de diversas lei- turas da base de dados iterativos de extrac¸~ao de padr~oes seq¨uenciais, prop~oe-se a reduc¸~ao progressiva da base de dados ao

  4. Structure Study of Cellulose Fibers Wet-Spun from Environmentally Friendly NaOH/Urea Aqueous Solutions

    SciTech Connect (OSTI)

    Chen,X.; Burger, C.; Wan, F.; Zhang, J.; Rong, L.; Hsiao, B.; Chu, B.; Cai, J.; Zhang, L.

    2007-01-01T23:59:59.000Z

    In this study, structure changes of regenerated cellulose fibers wet-spun from a cotton linter pulp (degree of polymerization {approx}620) solution in an NaOH/urea solvent under different conditions were investigated by simultaneous synchrotron wide-angle X-ray diffraction (WAXD) and small-angle X-ray scattering (SAXS). WAXD results indicated that the increase in flow rate during spinning produced a better crystal orientation and a higher degree of crystallinity, whereas a 2-fold increase in draw ratio only affected the crystal orientation. When coagulated in a H{sub 2}SO{sub 4}/Na{sub 2}SO{sub 4} aqueous solution at 15 {sup o}C, the regenerated fibers exhibited the highest crystallinity and a crystal orientation comparable to that of commercial rayon fibers by the viscose method. SAXS patterns exhibited a pair of meridional maxima in all regenerated cellulose fibers, indicating the existence of a lamellar structure. A fibrillar superstructure was observed only at higher flow rates (>20 m/min). The conformation of cellulose molecules in NaOH/urea aqueous solution was also investigated by static and dynamic light scattering. It was found that cellulose chains formed aggregates with a radius of gyration, R{sub g}, of about 232 nm and an apparent hydrodynamic radius, R{sub h}, of about 172 nm. The NaOH/urea solvent system is low-cost and environmentally friendly, which may offer an alternative route to replace more hazardous existing methods for the production of regenerated cellulose fibers.

  5. The electrorheology of suspensions consisting of Na-Fluorohectorite synthetic clay particles in silicon oil

    E-Print Network [OSTI]

    Y. Méheust; K. P. S. Parmar; B. Schjelderupsen; J. O. Fossum

    2010-02-01T23:59:59.000Z

    Under application of an electric field greater than a triggering electric field $E_c \\sim 0.4$ kV/mm, suspensions obtained by dispersing particles of the synthetic clay fluoro-hectorite in a silicon oil, aggregate into chain- and/or column-like structures parallel to the applied electric field. This micro-structuring results in a transition in the suspensions' rheological behavior, from a Newtonian-like behavior to a shear-thinning rheology with a significant yield stress. This behavior is studied as a function of particle volume fraction and strength of the applied electric field, $E$. The steady shear flow curves are observed to scale onto a master curve with respect to $E$, in a manner similar to what was recently found for suspensions of laponite clay [42]. In the case of Na-fluorohectorite, the corresponding dynamic yield stress is demonstrated to scale with respect to $E$ as a power law with an exponent $\\alpha \\sim 1.93$, while the static yield stress inferred from constant shear stress tests exhibits a similar behavior with $\\alpha \\sim 1.58$. The suspensions are also studied in the framework of thixotropic fluids: the bifurcation in the rheology behavior when letting the system flow and evolve under a constant applied shear stress is characterized, and a bifurcation yield stress, estimated as the applied shear stress at which viscosity bifurcation occurs, is measured to scale as $E^\\alpha$ with $\\alpha \\sim 0.5$ to 0.6. All measured yield stresses increase with the particle fraction $\\Phi$ of the suspension. For the static yield stress, a scaling law $\\Phi^\\beta$, with $\\beta = 0.54$, is found. The results are found to be reasonably consistent with each other. Their similarities with-, and discrepancies to- results obtained on laponite-oil suspensions are discussed.

  6. Extremely NA and CL Rich Chondrule AL3509 from the Allende Meteorite

    SciTech Connect (OSTI)

    Wasserburg, G J; Hutcheon, I D; Aleon, J; Ramon, E C; Krot, A N; Nagashima, K; Brearley, A J

    2011-04-07T23:59:59.000Z

    We report on the mineralogy, petrology, chemistry, oxygen isotopes, {sup 26}Al-{sup 26}Mg and {sup 36}Cl-{sup 36}S isotope systematics of the Allende chondrule Al3509 discovered and described by [1] and [2]. This spherical object ({approx}1cm {phi}) contains {approx}10% Na and 1% Cl, and nearly pure {sup 129}Xe [({sup 129}Xe/{sup 127}I) = 1.1 x 10{sup -4} (3)]. This high enrichment in halogens makes it of interest in searching for radiogenic {sup 36}S from {sup 36}Cl (t{sub 1/2} {approx} 0.3 Ma) decay. While there is strong evidence for the presence of {sup 36}Cl in sodalite and wadalite in CV CAIs [4,5], some sodalites show no evidence for excesses of {sup 36}S ({sup 36}S*). In contrast, high inferred initial {sup 36}Cl/{sup 35}Cl = 2 x 10{sup -5} has been found in wadalite from the Allende CAI AJEF [5]. The observed {sup 36}S excesses in sodalite are not correlated with radiogenic {sup 26}Mg, decay product of {sup 26}Al (t{sub 1/2} {approx} 0.72 Ma) [4]. From the inferred initial {sup 36}Cl/{sup 35}Cl ratios and consideration of both AGB and SNe stellar sources, {sup 36}Cl must be the product of charged particle irradiation within the early solar system. However, neither the specific nuclear production mechanism nor the irradiation site have been identified. Both sodalite and wadalite are found as late stage alteration products of CAIs together with grossular, monticellite, Al-rich pyroxene, wollastonite, nepheline, ferroan olivine, and ferroan pyroxenes. This late-stage alteration has been found to extensively change some CAIs in Allende, but clear residues of spinel, hibonite and Wark-Lovering rims are recognizable remnants of the original CAIs. The nature of the widespread volatile alteration process as well as that of the fluid phase remain controversial.

  7. Materials corrosion in molten LiF-NaF-KF eutectic salt under different reduction-oxidation conditions

    SciTech Connect (OSTI)

    Sellers, R. S. [Dept. of Engineering Physics, Univ. of Wisconsin - Madison (United States); 1500 Engineering Dr., Madison WI 53711 (United States); Cheng, W. J. [Dept. of Engineering Physics, Univ. of Wisconsin - Madison (United States); National Taiwan Univ. of Science and Technology, Taiwan (China); Anderson, M. H.; Sridharan, K.; Wang, C. J.; Allen, T. R. [Dept. of Engineering Physics, Univ. of Wisconsin - Madison (United States)

    2012-07-01T23:59:59.000Z

    Molten fluoride salts such as FLiNaK (LiF-NaF-KF: 46.5-11.5-42 mol %) have been proposed for use as secondary reactor coolants, media for transfer of high temperature process heat from nuclear reactors to chemical plants, and for concentrated solar power thermal energy storage. In molten fluoride salts, passive oxide films are chemically unstable, and corrosion is driven largely by the thermodynamically driven dissolution of alloying elements into the molten salt environment. Two alloys, Hastelloy{sup R} N and 316L stainless steel were exposed to molten FLiNaK salt in a 316L stainless steel crucible under argon cover gas for 1000 hours at 850 deg. C. Graphite was present in some of the crucibles with the goal of studying corrosion behavior of relevant reactor material combinations. In addition, a technique to reduce alloy corrosion through modification of the reduction-oxidation state was tested by the inclusion of zirconium to the system. Corrosion of 316L stainless steel was noted to occur primarily through surface depletion of chromium, an effect that was enhanced by the presence of graphite. Hastelloy{sup R} N experienced weight gain through electrochemical plating of corrosion products derived from the 316L stainless steel crucible. In the presence of zirconium, both alloys gained weight through plating of zirconium and as a result formed intermetallic layers. (authors)

  8. Flow Components in a NaK Test Loop Designed to Simulate Conditions in a Nuclear Surface Power Reactor

    SciTech Connect (OSTI)

    Polzin, Kurt A.; Godfroy, Thomas J. [NASA Marshall Space Flight Center Propulsion Research and Technology Applications Branch/ER24, MSFC, AL 35812 (United States)

    2008-01-21T23:59:59.000Z

    A test loop using NaK as the working fluid is presently in use to study material compatibility effects on various components that comprise a possible nuclear reactor design for use on the lunar surface. A DC electromagnetic (EM) pump has been designed and implemented as a means of actively controlling the NaK flow rate through the system and an EM flow sensor is employed to monitor the developed flow rate. These components allow for the matching of the flow rate conditions in test loops with those that would be found in a full-scale surface-power reactor. The design and operating characteristics of the EM pump and flow sensor are presented. In the EM pump, current is applied to a set of electrodes to produce a Lorentz body force in the fluid. A measurement of the induced voltage (back-EMF) in the flow sensor provides the means of monitoring flow rate. Both components are compact, employing high magnetic field strength neodymium magnets thermally coupled to a water-cooled housing. A vacuum gap limits the heat transferred from the high temperature NaK tube to the magnets and a magnetically-permeable material completes the magnetic circuit. The pump is designed to produce a pressure rise of 34.5 kPa, and the flow sensor's predicted output is roughly 20 mV at the loop's nominal flow rate of 0.114 m{sup 3}/hr.

  9. NaREC Offshore and Drivetrain Test Facility Collaboration: Cooperative Research and Development Final Report, CRADA Number CRD-04-140

    SciTech Connect (OSTI)

    Musial, W.

    2014-08-01T23:59:59.000Z

    The National Renewable Energy Laboratory (NREL) and the National Renewable Energy Centre (NaREC) in the United Kingdom (UK) have a mutual interest in collaborating in the development of full-scale offshore wind energy and drivetrain testing facilities. NREL and NaREC will work together to share resources and experiences in the development of future wind energy test facilities. This Cooperative Research and Development Agreement (CRADA) includes sharing of test protocols, infrastructure cost data, test plans, pro forma contracting instruments, and safe operating strategies. Furthermore, NREL and NaREC will exchange staff for training and development purposes.

  10. Lglise, Isabelle & Alby, Sophie (2006). Minorization and the process of (de)minoritization : the case of Kali'na in French Guiana. International Journal of the Sociology of Language 182, 67-86.

    E-Print Network [OSTI]

    Boyer, Edmond

    )minoritization: the case of Kali'na in French Guiana Introduction The concept of diglossia, according to the broad)minoritization : the case of Kali'na in French Guiana. International Journal of the Sociology of Language 182, 67-86. Minorization and the process of (de)minoritization: the case of Kali'na in French Guiana Isabelle Léglise

  11. Hydrothermal synthesis and luminescent properties of NaLa(MoO{sub 4}){sub 2}:Dy{sup 3+} phosphor

    SciTech Connect (OSTI)

    Li Linlin; Zi Wenwen; Li Guanghuan; Lan Shi; Ji Guijuan [College of Chemistry, Jilin University, Changchun 130026 (China); Gan Shucai, E-mail: gansc@jlu.edu.cn [College of Chemistry, Jilin University, Changchun 130026 (China); Zou Haifeng [College of Chemistry, Jilin University, Changchun 130026 (China); Xu Xuechun [College of Earth Sciences, Jilin University, Changchun 130026 (China)

    2012-07-15T23:59:59.000Z

    Pompon-like NaLa(MoO{sub 4}){sub 2}:Dy{sup 3+} phosphors have been successfully prepared via a hydrothermal method using ammonia as pH value regulator. The hydrothermal process was carried out under aqueous condition without the use of any organic solvent, surfactant, and catalyst. The experimental results demonstrate that the obtained NaLa(MoO{sub 4}){sub 2}:Dy{sup 3+} phosphor powders are single-phase scheelite structure with tetragonal symmetry. Moreover, the phosphor under the excitation of 390 and 456 nm exhibited blue emission (486 nm) and yellow emission (574 nm), corresponding to the {sup 4}F{sub 9/2}{yields}{sup 6}H{sub 15/2} transition and {sup 4}F{sub 9/2}{yields}{sup 6}H{sub 13/2} transition of Dy{sup 3+} ions, respectively. In addition, the yellow-to-blue emission intensity ratio (Y/B) can be changed with the doped concentration of Dy{sup 3+} ions. All chromaticity coordinates of the obtained NaLa(MoO{sub 4}){sub 2}:Dy{sup 3+} phosphors are located in the white-light region. The results indicate that this kind of phosphor may has potential applications in the fields of near UV-excited and blue-excited white LEDs. - Graphical abstract: It can be seen from the SEM images that a pompon-like shape was obtained with an average diameter of about 1 {mu}m, and it is composed of many nanoflakes. Highlights: Black-Right-Pointing-Pointer Pompon-like NaLa(MoO{sub 4}){sub 2}:Dy{sup 3+} phosphors have been successfully prepared via a hydrothermal method. Black-Right-Pointing-Pointer Blue emission at 486 nm and yellow emission at 574 nm were obtained from the samples. Black-Right-Pointing-Pointer The yellow-to-blue emission intensity ratio (Y/B) can be changed with the doped concentration of Dy{sup 3+} ions. Black-Right-Pointing-Pointer NaLa(MoO{sub 4}){sub 2}:Dy{sup 3+} can be efficiently excited by the blue light and the near ultraviolet light.

  12. The elastic and piezoelectric properties of tungsten bronze ferroelectric crystals ,,Sr0.7Ba0.3...2NaNb5O15 and ,,Sr0.3Ba0.7...2NaNb5O15

    E-Print Network [OSTI]

    Cao, Wenwu

    The elastic and piezoelectric properties of tungsten bronze ferroelectric crystals ,,Sr0.7Ba0 and piezoelectric constants of tungsten bronze ferroelectric crystals Sr0.7Ba0.3 2NaNb5O15 SBNN70 and Sr0.3Ba0.7 2Na. INTRODUCTION Ferroelectric crystals with tungsten bronze structure are another attractive family beside

  13. Supporting Information Surface Electric Fields of Aqueous Solutions of NH4NO3, Mg(NO3)2, NaNO3,

    E-Print Network [OSTI]

    S1 Supporting Information Surface Electric Fields of Aqueous Solutions of NH4NO3, Mg(NO3)2, NaNO3 interfaces of (a) 1.0 M and 2.0 M LiNO3, (b) 1.0 M and 1.7 M NaNO3, (c) 1.0 M and 1.6 M NH4NO3, and (d) 1.0 M water 1.0 M NaNO3 1.7 M NaNO3 c water 1.0 M NH4 NO3 1.6 M NH4 NO3 | (2) | 2 (10 3 arb.units) Wavenumber

  14. Electron spin resonance and electron spin-echo modulation study of paramagnetic Rh species generated in Ca-Y and Na-Y zeolites

    SciTech Connect (OSTI)

    Goldfarb, D.; Kevan, L.

    1987-04-15T23:59:59.000Z

    Paramagnetic Rh species generated in RhNa-Y and RhCa-Y zeolites after various treatments were characterized by using electron spin resonance (ESR) and electron spin-echo modulation (ESEM) spectroscopies. Activation in flowing oxygen at 500/sup 0/C ..beta..-hydrogen a considerable amount of Rh(II) located in site I in the hexagonal prism of the zeolite structure for 3 wt % Rh in RhNa-Y zeolite. Samples of 1 wt % Rh in RhNa-Y and RhCa-Y did not show any paramagnetic signals. Adsorption of various adsorbates such as water, ammonia, methanol, carbon monoxide, and oxygen on activated samples induced a considerable increase in the ESR intensities. Adsorption of oxygen and carbon monoxide yields the corresponding adducts which are located in the ..cap alpha..-cage of the zeolite structure. Hydration generated a species which is coordinated to three water molecules. Adsorption of methanol on RhNa-Y generated a species H2 which is also formed after reduction of RhNa-Y with H/sub 2/, suggesting that the methanol molecule undergoes a reaction to generate products which further reduce Rh(III) species in the ..beta..-cage of the zeolite structure to Rh(II). No significant differences were observed between RhNa-Y and RhCa-Y except for the formation of different Rh(II) species after methanol adsorption in RhCa-Y and the generation of a larger amount of Rh(II) in site I in RhNa-Y. These results are compared to previously obtained data in RhNa-X and RhCa-X to account for the effect of the cocations and the Si/Al ratio on the generation of Rh(II) species in zeolites.

  15. Cad. Sade Pblica, Rio de Janeiro, 24(7):1493-1508, jul, 2008 Mapeamento do risco de homicdio com base na

    E-Print Network [OSTI]

    Camara, Gilberto

    homicídio com base na co-krigeagem binomial e simulação: um estudo de caso para São Paulo, Brasil Mapping têm incorporado o espaço e o tempo como variáveis de análise, com base na possibilidade de localização para os dados de ARTIGO ARTICLE #12;Camargo ECG et al.1494 Cad. Saúde Pública, Rio de Janeiro, 24

  16. MODELOS PARA PREVISO DE NOTAS DE AVALIAO SENSORIAL DE BEBIDA DE CAF ARBICA COM BASE NA COMPOSIO DO AROMA DO GRO

    E-Print Network [OSTI]

    Ferreira, Márcia M. C.

    MODELOS PARA PREVIS�O DE NOTAS DE AVALIA��O SENSORIAL DE BEBIDA DE CAF� ARÁBICA COM BASE NA atributos sensoriais com base no perfil cromatográfico dos voláteis de grãos de café arábica torrado as ferramentas empregadas na análise dos dados. As notas previstas pelos modelos gerados para acidez, amargor

  17. Role of ethanol in sodalite crystallization in an ethanolNa2OAl2O3SiO2 Yi Huang,ab

    E-Print Network [OSTI]

    Rubloff, Gary W.

    Role of ethanol in sodalite crystallization in an ethanol­Na2O­Al2O3­SiO2­ H2O system Yi Huang 2011 DOI: 10.1039/c1ce05194f Crystallization of sodalite was studied in an ethanol­Na2O­Al2O3­SiO2­H2O system. The addition of ethanol was observed to significantly affect the crystallization process

  18. 1.25 mM NaH2PO4, 1 mM CaCl2, 1 mM MgCl2, 26 mM NaHCO3 and 10 mM dextrose, bubbled with 95% O2/5% CO2 (pH 7.4). Slices (300400 mm thick) were prepared with a

    E-Print Network [OSTI]

    Zuker, Charles

    1.25 mM NaH2PO4, 1 mM CaCl2, 1 mM MgCl2, 26 mM NaHCO3 and 10 mM dextrose, bubbled with 95% O2/5% CO cerebrospinal fluid (ACSF: 124 mM NaCl, 2 mM KCl, 1.5 mM MgSO4, 1.25 mM NaH2PO4, 2.5 mM CaCl2, 26 mM NaHCO3, 10

  19. Energy dependence of fluctuations in central Pb+Pb collisions from NA49 at the CERN SPS

    E-Print Network [OSTI]

    The NA49 Collaboration

    2008-05-15T23:59:59.000Z

    The latest NA49 results on fluctuations of multiplicity and average transverse-momentum analyzed on an event-by-event basis are presented for central Pb+Pb interactions over the whole SPS energy range (20A - 158A GeV). The scaled variance of the multiplicity distribution decreases with collision energy whereas the $\\Phi_{p_{T}}$ measure of $$ fluctuations is small and independent of collision energy. Thus in central Pb+Pb collisions these fluctuations do not show an indication of the critical point of strongly interacting matter.

  20. The structure of Na[Fe(H{sub 2}O)(EDTA)]{center_dot}2H{sub 2}O

    SciTech Connect (OSTI)

    Zubkowski, J.D. [Jackson State Univ., MS (United States); Valente, E.J. [Mississippi College, Clinton, MS (United States); Lewis, C.; Perry, D.L. [Lawrence Berkeley National Lab., CA (United States)

    1997-12-31T23:59:59.000Z

    Details are reported for the synthesis and x-ray single crystal structure of Na[Fe(H{sub 2}O)(EDTA)]{center_dot}H{sub 2}O. The complex compound consists of yellow, cube-like monoclinic crystals (in space group Cc) with cell constants of a = 8.898(2), b = 1 1.928(4), and c = 15.045(4). The D{sub calc}, is 1.779 mg/m{sup 3}, Z = 4, R{sub 1} = 0.0373. The structure is compared to others containing iron-oxygen and iron-nitrogen linkages, and the hydrogen bonding for the complex is discussed.

  1. Analysis of the 40K contamination in NaI(Tl) crystals from different providers in the frame of the ANAIS project

    E-Print Network [OSTI]

    Clara Cuesta; Julio Amaré; Susana Cebrián; Eduardo García; Carlos Ginestra; María Martínez; Miguel A. Oliván; Ysrael Ortigoza; Alfonso Ortíz de Solórzano; Carlos Pobes; Jorge Puimedón; María Luisa Sarsa; José Ángel Villar; Patricia Villar

    2014-03-14T23:59:59.000Z

    NaI(Tl) large crystals are applied in the search for galactic dark matter particles through their elastic scattering off the target nuclei in the detector by measuring the scintillation signal produced. However, energies deposited in the form of nuclear recoils are small, which added to the low efficiency to convert that energy into scintillation, makes that events at or very near the energy threshold, attributed either to radioactive backgrounds or to spurious noise (non-bulk NaI(Tl) scintillation events), can compromise the sensitivity goals of such an experiment. DAMA/LIBRA experiment, using 250 kg NaI(Tl) target, reported first evidence of the presence of an annual modulation in the detection rate compatible with that expected for a dark matter signal just in the region below 6 keVee (electron equivalent energy). In the frame of the ANAIS (Annual modulation with NaI Scintillators) dark matter search project a large and long effort has been carried out in order to understand the origin of events at very low energy in large sodium iodide detectors and develop convenient filters to reject those non attributable to scintillation in the bulk NaI(Tl) crystal. 40K is probably the most relevant radioactive contaminant in the bulk for NaI(Tl) detectors because of its important contribution to the background at very low energy. ANAIS goal is to achieve levels at or below 20 ppb natural potassium. In this paper we will report on our effort to determine the 40K contamination in several NaI(Tl) crystals, by measuring in coincidence between two (or more) of them. Results obtained for the 40K content of crystals from different providers will be compared and prospects of the ANAIS dark matter search experiment will be briefly reviewed.

  2. Structure of 2 molar NaOH in aqueous solution from neutron diffraction and empirical potential structure refinement

    SciTech Connect (OSTI)

    McLain, Sylvia E.; Imberti, Silvia; Soper, Alan K.; Botti, Alberto; Bruni, Fabio; Ricci, Maria Antonietta [ISIS Facility, Rutherford Appleton Laboratory, Chilton, Didcot, OXON OX11 0QX (United Kingdom); ISIS Facility, Rutherford Appleton Laboratory, Chilton, Didcot, OXON OX11 0QX, United Kingdom and CNR-ISC, Sezione di Firenze, via Madonna del Piano 10, 50019 Sesto Fiorentino (Finland) (Italy); ISIS Facility, Rutherford Appleton Laboratory, Chilton, Didcot, OXON OX11 0QX (United Kingdom); Dipartimento di Fisica E. Amaldi, Universita degli Studi Roma Tre, Via della Vasca Navale 84, 00146 Rome (Italy)

    2006-09-01T23:59:59.000Z

    Neutron diffraction with isotopic substitution has been used to investigate aqueous solutions of 2M NaOH in the liquid state. The data were modeled using empirical potential structure refinement which allows for the extraction of the ion-water and water-water correlations. The data show that the ion-water radial distribution functions are in accordance with those found by previous studies on NaOH solutions and follow a trend which is dependent on the concentration of the solute. In particular, the shape of the hydroxide hydration shell is found to be concentration independent, but the number of water molecules occupying this shell increases with dilution. Additionally, the water-water correlations show that there is still a measurable effect on water structure with the addition of ions at this concentration, as the second shell in the water oxygen radial distribution function is compressed relative to the first shell. The data are also used to discuss the recent claims that the published radial distribution functions of water are unreliable, showing that data taken at different neutron sources, with different diffraction geometry and systematic errors lead to the same structural information when analyzed via a realistic modeling regime.

  3. Optical studies of V4332 Sagittarii - detection of unusually strong KI and NaI lines in emission

    E-Print Network [OSTI]

    D. P. K. Banerjee; N. M. Ashok

    2004-06-21T23:59:59.000Z

    We present optical observations of the enigmatic nova-like variable V4332 Sgr. The importance of this object should not be understated since it is considered to be the possible prototype of a new class of eruptive variables. These objects have been the subject of considerable studies at present primarily because of the spectacular eruption of V838 Mon - another member of this class - recently in 2002. The cause of the outburst in such objects is not well understood. Our recent work has shown striking changes in the near-IR spectrum of V4332 Sgr since its 1994 outburst. The optical spectrum presented here confirms that V4332 Sgr is indeed an unusual and extremely interesting object. This spectrum, the first to be taken after a hiatus of nearly 10 years after the outburst, shows several lines in emission but is dominated by exceptionally strong emission in the resonance doublet of KI at 7665 and 7699{\\AA} and to a slightly lesser strength in the unresolved NaI doublet at 5890 and 5896{\\AA}. The KI lines are shown to be optically thick and considerably broadened. We investigate the site of origin of the KI and NaI emission. We discuss whether V4332 Sgr is related to L or T type dwarf based on BVRI photometry.

  4. NaNet: a Low-Latency, Real-Time, Multi-Standard Network Interface Card with GPUDirect Features

    E-Print Network [OSTI]

    Lonardo, A; Ammendola, R; Biagioni, A; Frezza, O; Lamanna, G; Cicero, F Lo; Martinelli, M; Paolucci, P S; Pastorelli, E; Pontisso, L; Rossetti, D; Simeone, F; Simula, F; Sozzi, M; Tosoratto, L; Vicini, P

    2014-01-01T23:59:59.000Z

    While the GPGPU paradigm is widely recognized as an effective approach to high performance computing, its adoption in low-latency, real-time systems is still in its early stages. Although GPUs typically show deterministic behaviour in terms of latency in executing computational kernels as soon as data is available in their internal memories, assessment of real-time features of a standard GPGPU system needs careful characterization of all subsystems along data stream path. The networking subsystem results in being the most critical one in terms of absolute value and fluctuations of its response latency. Our envisioned solution to this issue is NaNet, a FPGA-based PCIe Network Interface Card (NIC) design featuring a configurable and extensible set of network channels with direct access through GPUDirect to NVIDIA Fermi/Kepler GPU memories. NaNet design currently supports both standard - GbE (1000BASE-T) and 10GbE (10Base-R) - and custom - 34~Gbps APElink and 2.5~Gbps deterministic latency KM3link - channels, bu...

  5. Synthesis and photoluminescence properties of NaLaMgWO{sub 6}:RE{sup 3+} (RE = Eu, Sm, Tb) phosphor for white LED application

    SciTech Connect (OSTI)

    Hou, Jingshan [College of Materials Science and Engineering, Dong Hua University, Shanghai 200051 (China) [College of Materials Science and Engineering, Dong Hua University, Shanghai 200051 (China); CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China); College of Chemistry and Molecular Engineering, Peking University, Beijing 100871 (China); Yin, Xin [CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China) [CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China); College of Chemistry and Molecular Engineering, Peking University, Beijing 100871 (China); Huang, Fuqiang, E-mail: huangfq@mail.sic.ac.cn [CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China) [CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China); College of Chemistry and Molecular Engineering, Peking University, Beijing 100871 (China); Jiang, Weizhong, E-mail: jwzh@dhu.edu.cn [College of Materials Science and Engineering, Dong Hua University, Shanghai 200051 (China)] [College of Materials Science and Engineering, Dong Hua University, Shanghai 200051 (China)

    2012-06-15T23:59:59.000Z

    Highlights: ? NaLa{sub 1?x}MgWO{sub 6}:xRE{sup 3+} phosphors were synthesized by solid-state reaction method. ? Compared with Y{sub 2}O{sub 3}:Eu{sup 3+}, NaLaMgWO{sub 6}:Eu{sup 3+} performed better luminescence properties. ? The results demonstrated NaLaMgWO{sub 6} as a suitable host for RE{sup 3+}-doping. -- Abstract: Single phase of NaLa{sub 1?x}MgWO{sub 6}:xRE{sup 3+} (0 < x ?1) (RE = Eu, Sm, Tb) phosphors were prepared by solid-state reaction method. X-ray diffraction, scanning electron microscopy, the morphology energy-dispersive X-ray spectroscopy, UV–vis diffuse reflectance spectra and photoluminescence were used to characterize the samples. Under the light excitation, NaLaMgWO{sub 6}:Eu{sup 3+}, NaLaMgWO{sub 6}:Sm{sup 3+} and NaLaMgWO{sub 6}:Tb{sup 3+}, phosphors showed the characteristic emissions of Eu{sup 3+} ({sup 5}D{sub 0} ? {sup 7}F{sub 4,3,2,1}), Sm{sup 3+} ({sup 4}G{sub 5/2} ? {sup 6}H{sub 5/2,7/2,9/2}), and Tb{sup 3+} ({sup 5}D{sub 4} ? {sup 7}F{sub 6,5,4,3}), respectively. The intensity of the red emission for Na(La{sub 0.6}Eu{sub 0.4})MgWO{sub 6} is 2.5 times higher than that of (Y{sub 0.95}Eu{sub 0.05}){sub 2}O{sub 3} under blue light irradiation. The quantum efficiencies of the entitled phosphors excited under 394 nm and 464 nm are also investigated and compared with commercial phosphors Y{sub 2}O{sub 3}:Eu{sup 3+}, Sr{sub 2}Si{sub 5}N{sub 8}:Eu{sup 2+} and Y{sub 3}A{sub 5}G{sub 12}:Ce{sup 3+}. The results demonstrated NaLaMgWO{sub 6}:RE{sup 3+} phosphors as potential candidates for white light emitting diode pumped by UV or blue chip.

  6. Effects of curing temperature and NaOH addition on hydration and strength development of clinker-free CKD-fly ash binders

    SciTech Connect (OSTI)

    Wang Kejin; Shah, Surendra P.; Mishulovich, Alexander

    2004-02-01T23:59:59.000Z

    Effects of curing temperature and NaOH addition on hydration and strength development of cement kiln dust (CKD)-fly ash (FA) binders were investigated. Pastes made with 50% CKD and 50% FA, having 0, 2, and 5% NaOH addition, and cured at temperatures of 24, 38, and 50 deg. C were evaluated. The hydration products of the binders were examined by thermogravimetric analysis (TGA) and X-ray diffraction (XRD) tests. The results indicate that the major crystalline hydration product of the CKD-FA binders is ettringite, and the ettringite is stable in the CKD-FA system at age over 100 days. Curing at elevated temperature is more effective for CKD-FA binder strength improvement than NaOH addition, the later often depressing ettringite formation in a CKD-FA system. At a proper curing temperature (38 deg. C), addition of a small amount of NaOH (2%) may increase CKD-FA binder strength; while at a high curing temperature (50 deg. C), addition of NaOH (2%) may reduce the binder strength.

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

    SciTech Connect (OSTI)

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

    2013-11-15T23:59:59.000Z

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

  8. Cross sections for monitor reactions {sup 27}Al((p, x){sup 24}Na, {sup 27}Al(p, x){sup 22}Na, and {sup 27}Al(p, x){sup 7}Be at proton energies in the range 0.04-2.6 GeV

    SciTech Connect (OSTI)

    Titarenko, Yu. E.; Borovlev, S. P.; Butko, M. A.; Zhivun, V. M.; Pavlov, K. V.; Rogov, V. I.; Titarenko, A. Yu.; Tikhonov, R. S.; Florya, S. N.; Koldobskiy, A. B. [Institute for Theoretical and Experimental Physics (Russian Federation)

    2011-04-15T23:59:59.000Z

    The cross sections for the monitor reactions {sup 27}Al(p, x){sup 24}Na, {sup 27}Al(p, x){sup 22}Na, and {sup 27}Al(p, x){sup 7}Be at 12 proton energies, 2605, 1598, 1199, 799, 600, 400, 249, 147.6, 97.2, 66.0, 44.6, and 40.8 MeV, have been determined with 72 Multiplication-Sign 72-mm square and 10.5-mm-diameter round aluminum foils. The rates of the reactions of the production of {sup 24}Na, {sup 22}Na, and {sup 7}Be in the foils in each irradiation run have been determined by {gamma} spectrometry, whereas the number of protons transmitted through these foils has been determined using calibrated fast current transformers. The cross sections have been determined as the ratios of the corresponding reaction to the average proton fluence.

  9. Room temperature magnetocaloric effect, critical behavior, and magnetoresistance in Na-deficient manganite La{sub 0.8}Na{sub 0.1}MnO{sub 3}

    SciTech Connect (OSTI)

    Khlifi, M., E-mail: khlifimouadh3000@yahoo.fr; Dhahri, E. [Laboratoire de Physique Appliquée, Faculté des Sciences de Sfax, B.P. 802, Université de Sfax, Sfax 3018 (Tunisia); Hlil, E. K. [Institut Néel, CNRS et Université Joseph Fourier, BP 166, F-38042 Grenoble cedex 9 (France)

    2014-05-21T23:59:59.000Z

    The La{sub 0.8}Na{sub 0.1}MnO{sub 3} oxide was prepared by the solid-state reaction and annealed in air. The X-ray diffraction data reveal that the sample is crystallized in a rhombohedral structure with R3{sup ¯}c space group. Magnetic study shows a second-order magnetic phase transition from ferromagnetic to paramagnetic state at the Curie temperature T{sub C}?=?295?K. In addition, the magnetizations as a function of temperature and the magnetic field is used to evaluate the magnetic entropy change ?S{sub M}. Then, we have deduced that the La{sub 0.8}Na{sub 0.1}MnO{sub 3} oxide has a large magnetocaloric effect at room temperature. Such effect is given by the maximum of the magnetic entropy change ?S{sub Mmax}?=?5.56, and by the Relative cooling power (RCP) factor which is equal to 235 under a magnetic field of 5?T. Moreover, the magnetic field dependence of the magnetic entropy change is used to determine the critical exponents ?, ?, and ? which are found to be ??=?0.495, ??=?1.083, and ??=?3.18. These values are consistent with the prediction of the mean field theory (??=?0.5, ??=?1, and ??=?3). Above all, the temperature dependence of electrical resistivity shows a metal–insulator transition at T{sub ?}. The electrical resistivity decrease when we apply a magnetic field giving a magnetoresistance effect in the order of 60% at room temperature.

  10. Exotic magnetism on the quasi-FCC lattices of the d3 double perovskites La2NaB'O6 (B' = Ru, Os)

    SciTech Connect (OSTI)

    Aczel, Adam A [ORNL] [ORNL; Baker, Peter J. [ISIS Facility, Rutherford Appleton Laboratory (ISIS)] [ISIS Facility, Rutherford Appleton Laboratory (ISIS); Bugaris, Dan [University of South Carolina] [University of South Carolina; Yeon, Jeongho [University of South Carolina, Columbia] [University of South Carolina, Columbia; Zur Loye, Hans-Conrad [University of South Carolina] [University of South Carolina; Guidi, T. [ISIS Facility, Rutherford Appleton Laboratory (ISIS)] [ISIS Facility, Rutherford Appleton Laboratory (ISIS); Adroja, D. T. [ISIS Facility, Rutherford Appleton Laboratory (ISIS)] [ISIS Facility, Rutherford Appleton Laboratory (ISIS)

    2014-01-01T23:59:59.000Z

    We find evidence for long-range and short-range ($\\zeta$~$=$~70~\\AA~at 4~K) incommensurate magnetic order on the quasi-face-centered-cubic (FCC) lattices of the monoclinic double perovskites La$_2$NaRuO$_6$ and La$_2$NaOsO$_6$ respectively. Incommensurate magnetic order on the FCC lattice has not been predicted by mean field theory, but may arise via a delicate balance of inequivalent nearest neighbour and next nearest neighbour exchange interactions. In the Ru system with long-range order, inelastic neutron scattering also reveals a spin gap $\\Delta$~$\\sim$~2.75~meV. Magnetic anisotropy is generally minimized in the more familiar octahedrally-coordinated $3d^3$ systems, so the large gap observed for La$_2$NaRuO$_6$ may result from the significantly enhanced value of spin-orbit coupling in this $4d^3$ material.

  11. A high-resolution TDC-based board for a fully digital trigger and data acquisition system in the NA62 experiment at CERN

    E-Print Network [OSTI]

    Elena Pedreschi; Bruno Angelucci; Carlo Avanzini; Stefano Galeotti; Gianluca Lamanna; Guido Magazzu; Jacopo Pinzino; Roberto Piandani; Marco Sozzi; Franco Spinella; Stefano Venditti

    2014-07-09T23:59:59.000Z

    A Time to Digital Converter (TDC) based system, to be used for most sub-detectors in the high-flux rare-decay experiment NA62 at CERN SPS, was built as part of the NA62 fully digital Trigger and Data AcQuisition system (TDAQ), in which the TDC Board (TDCB) and a general-purpose motherboard (TEL62) will play a fundamental role. While TDCBs, housing four High Performance Time to Digital Converters (HPTDC), measure hit times from sub-detectors, the motherboard processes and stores them in a buffer, produces trigger primitives from different detectors and extracts only data related to the lowest trigger level decision, once this is taken on the basis of the trigger primitives themselves. The features of the TDCB board developed by the Pisa NA62 group are extensively discussed and performance data is presented in order to show its compliance with the experiment requirements.

  12. Density functional theory studies on theelectronic, structural, phonon dynamicaland thermo-stability properties of bicarbonates MHCO3, M D Li, Na, K

    SciTech Connect (OSTI)

    Duan, Yuhua; Zhang, Bo; Sorescu, Dan C.; Johnson, Karl; Majzoub, Eric H; Luebke, David R.

    2012-07-01T23:59:59.000Z

    The structural, electronic, phonon dispersion and thermodynamic properties of MHCO3 (M D Li, Na, K) solids were investigated using density functional theory. The calculated bulk properties for both their ambient and the high-pressure phases are in good agreement with available experimental measurements. Solid phase LiHCO3 has not yet been observed experimentally. We have predicted several possible crystal structures for LiHCO3 using crystallographic database searching and prototype electrostatic ground state modeling. Our total energy and phonon free energy .FPH/ calculations predict that LiHCO3 will be stable under suitable conditions of temperature and partial pressures of CO2 and H2O. Our calculations indicate that the HCO􀀀 3 groups in LiHCO3 and NaHCO3 form an infinite chain structure through O#1; #1; #1;H#1; #1; #1;O hydrogen bonds. In contrast, the HCO􀀀 3 anions form dimers, .HCO􀀀 3 /2, connected through double hydrogen bonds in all phases of KHCO3. Based on density functional perturbation theory, the Born effective charge tensor of each atom type was obtained for all phases of the bicarbonates. Their phonon dispersions with the longitudinal optical–transverse optical splitting were also investigated. Based on lattice phonon dynamics study, the infrared spectra and the thermodynamic properties of these bicarbonates were obtained. Over the temperature range 0–900 K, the FPH and the entropies (S) of MHCO3 (M D Li, Na, K) systems vary as FPH.LiHCO3/ > FPH.NaHCO3/ > FPH.KHCO3/ and S.KHCO3/ > S.NaHCO3/ > S.LiHCO3/, respectively, in agreement with the available experimental data. Analysis of the predicted thermodynamics of the CO2 capture reactions indicates that the carbonate/bicarbonate transition reactions for Na and K could be used for CO2 capture technology, in agreement with experiments.

  13. Enhancement of second harmonic generation in NaNO{sub 2}-infiltrated opal photonic crystal using structural light focusing

    SciTech Connect (OSTI)

    Zaytsev, Kirill I., E-mail: kirzay@gmail.com; Yurchenko, Stanislav O., E-mail: st.yurchenko@mail.ru [Bauman Moscow State Technical University, 105005, 2nd Baumanskaya str. 5, Moscow (Russian Federation)

    2014-08-04T23:59:59.000Z

    Experimental and numerical results for second harmonic generation (SHG) in photonic crystal (PC) based on NaNO{sub 2}-infiltrated opal matrix are presented. SHG is performed in reflection mode; thus, the direction of the SHG maximum is equal to the angle of mirror reflection. The PC was pumped with femtosecond optical pulses at different angles of incidence, allowing the dependence of the SHG efficiency on the location of the fundamental wavelength toward the PC band gap (BG) to be examined. The most efficient SHG was observed when pumping the BG of the PC. To interpret the experimental results, finite-difference time-domain numerical simulations of the light interaction with the PC were conducted. The observed effect of highly efficient SHG is associated with structural light focusing, and, as a consequence, with strong optical field localization within certain near-surface PC regions. Thus, SHG enhancement based on structural light focusing in PC was demonstrated.

  14. Variations in K{sup +}-Na{sup +} ion exchange depth in commercial and experimental float glass compositions

    SciTech Connect (OSTI)

    Sinton, C.W.; LaCourse, W.C.; O'Connell, M.J.

    1999-12-01T23:59:59.000Z

    The authors report the results of ion-exchange experiments conducted on 17 commercial soda-lime-silicate (SLS) float glass and 8 experimental SLS glass compositions. A significant variation in the depth of K{sup +} penetration with relatively small changes in composition was observed. The data were fit to a multiple regression model in which the major oxides are the independent variables and depth of K{sup +} is the dependent variable. The model indicates that increased depth of exchange (increased interdiffusion coefficient) correlates predominantly with increased K{sub 2}O and/or Na{sub 2}O content of the glass, with a decreased total alkaline earth content and with the ratio of CaO/MgO.

  15. Coherent neutrino-nucleus scattering detection with a CsI[Na] scintillator at the SNS spallation source

    E-Print Network [OSTI]

    J. I. Collar; N. E. Fields; E. Fuller; M. Hai; T. W. Hossbach; J. L. Orrell; G. Perumpilly; B. Scholz

    2014-08-20T23:59:59.000Z

    We study the possibility of using CsI[Na] scintillators as an advantageous target for the detection of coherent elastic neutrino-nucleus scattering (CENNS), using the neutrino emissions from the SNS spallation source at Oak Ridge National Laboratory. The response of this material to low-energy nuclear recoils like those expected from this process is characterized. Backgrounds are studied using a 2 kg low-background prototype crystal in a dedicated radiation shield. The conclusion is that a planned 14 kg detector should measure approximately 550 CENNS events per year above a demonstrated $\\sim7$ keVnr low-energy threshold, with a signal-to-background ratio sufficient for a first measurement of the CENNS cross-section. The cross-section for the $^{208}$Pb($\

  16. Hot-stage transmission electron microscopy study of (Na, K)NbO{sub 3} based lead-free piezoceramics

    SciTech Connect (OSTI)

    Lu, Shengbo, E-mail: shengbo.lu@yahoo.com [Department of Physics and Materials Science, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon (Hong Kong); Department of Applied Physics and Materials Research Centre, The Hong Kong Polytechnic University, Hung Hom, Kowloon (Hong Kong); Xu, Zhengkui [Department of Physics and Materials Science, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon (Hong Kong); Kwok, K. W.; Chan, Helen L. W. [Department of Applied Physics and Materials Research Centre, The Hong Kong Polytechnic University, Hung Hom, Kowloon (Hong Kong)

    2014-07-28T23:59:59.000Z

    Hierarchical nanodomains assembled into micron-sized stripe domains, which is believed to be associated with outstanding piezoelectric properties, were observed at room temperature in a typical lead free piezoceramics, (Na{sub 0.52}K{sub 0.48?x})(Nb{sub 0.95?x}Ta{sub 0.05})-xLiSbO{sub 3}, with finely tuned polymorphic phase boundaries (x?=?0.0465) by transmission electron microscopy. The evolution of domain morphology and crystal structure under heating and cooling cycles in the ceramic was investigated by in-situ hot stage study. It is found that the nanodomains are irreversibly transformed into micron-sized rectangular domains during heating and cooling cycles, which lead to the thermal instability of piezoelectric properties of the materials.

  17. Evidence for the onset of deconfinement and quest for the critical point by NA49 at the CERN SPS

    SciTech Connect (OSTI)

    Melkumov, G. L., E-mail: georgui.melkoumov@cern.ch [Joint Institute for Nuclear Research (Russian Federation); Anticic, T. [Rudjer Boskovic Institute (Croatia); Baatar, B. [Joint Institute for Nuclear Research (Russian Federation); Barna, D. [KFKI Research Institute for Particle and Nuclear Physics (Hungary); Bartke, J. [Polish Academy of Sciences, H. Niewodniczanski Institute of Nuclear Physics (Poland); Beck, H. [Fachbereich Physik der Universitaet (Germany); Betev, L. [CERN (Switzerland); Bialkowska, H. [Institute for Nuclear Studies (Poland); Blume, C. [Fachbereich Physik der Universitaet (Germany); Bogusz, M. [Warsaw University of Technology, Faculty of Physics (Poland); Boimska, B. [Institute for Nuclear Studies (Poland); Book, J. [Fachbereich Physik der Universitaet (Germany); Botje, M. [NIKHEF (Netherlands); Buncic, P. [CERN (Switzerland); Cetner, T. [Warsaw University of Technology, Faculty of Physics (Poland); Christakoglou, P. [NIKHEF (Netherlands); Chung, P. [Stony Brook University (SUNYSB), Department of Chemistry (United States); Chvala, O. [Charles University, Institute of Particle and Nuclear Physics (Czech Republic); Cramer, J. G. [University of Washington, Nuclear Physics Laboratory (United States); Eckardt, V. [Max-Planck-Institut fuer Physik (Germany); and others

    2012-05-15T23:59:59.000Z

    The NA49 results on hadron production obtained in PbPb collisions at SPS energies from 20 to 158 A GeV are shown and discussed as evidence for the onset of deconfinement. The primary measures are the pion yield, the kaon-to-pion ratio and the slope parameter of transverse mass distributions. The possible indication of the QCD critical point signatures was investigated in the event-by-event fluctuations of various observables such as the mean transverse momentum, particle multiplicity and azimuthal angle distributions as well as in the particle ratio fluctuations. The energy dependence of these observables was measured in central PbPb collisions in the full SPS energy range while for analysis of the system size dependence data from pp, CC, SiSi, and PbPb collisions at the top SPS energy were used.

  18. The Role of FeS in Initial Activation and Performance Degradation of Na-NiCl2 Batteries

    SciTech Connect (OSTI)

    Li, Guosheng; Lu, Xiaochuan; Kim, Jin Yong; Engelhard, Mark H.; Lemmon, John P.; Sprenkle, Vincent L.

    2014-12-25T23:59:59.000Z

    The role of iron sulfide (FeS) in initial cell activation and degradation in the Na-NiCl2 battery was investigated in this work. The research focused on identifying the effects of the FeS level on the electrochemical performance and morphological changes in the cathode. The x-ray photoelectron spectroscopy study along with battery tests revealed that FeS plays a critical role in initial battery activation by removing passivation layers on Ni particles. It was also found that the optimum level of FeS in the cathode resulted in minimum Ni particle growth and improved battery cycling performance. The results of electrochemical characterization indicated that sulfur species generated in situ during initial charging, such as polysulfide and sulfur, are responsible for removing the passivation layer. Consequently, the cells containing elemental sulfur in the cathode exhibited similar electrochemical behavior during initial charging compared to that of the cells containing FeS.

  19. 'Devil's Staircase'-Type Phase Transition in NaV{sub 2}O{sub 5} under High Pressure

    SciTech Connect (OSTI)

    Ohwada, K.; Fujii, Y.; Takesue, N.; Isobe, M.; Ueda, Y.; Nakao, H.; Wakabayashi, Y.; Murakami, Y.; Ito, K.; Amemiya, Y. (and others)

    2001-08-20T23:59:59.000Z

    The 'devil's staircase'-type phase transition in the quarter-filled spin-ladder compound NaV{sub 2}O {sub 5} has been discovered at low temperature and high pressure by synchrotron radiation x-ray diffraction. A large number of transitions are found to successively take place among higher-order commensurate phases with 2a x 2b x zc type superstructures. The observed temperature and pressure dependence of modulation wave number q{sub c}, defined by 1/z, is well reproduced by the axial next nearest neighbor Ising model. The q{sub c} is suggested to reflect atomic displacements presumably coupled with charge ordering in this system.

  20. Deinhibition of cardiac Na/sup +/-K/sup +/-ATPase after exposure to exogenous phospholipase A/sub 2/

    SciTech Connect (OSTI)

    Colvin, R.A.

    1987-01-01T23:59:59.000Z

    After 2 h of exogenous phospholipase A/sub 2/ (PLA/sub 2/) exposure, membrane phospholipid decreased from 3.22 +/- 0.31 to 1.06 +/- 0.13 ..mu..mol/mg (33% of control). All classes of phospholipid, except sphingomyelin, were hydrolyzed, whereas total cholesterol content was unaffected. Increases in nonesterified fatty acids (NEFA) were reflected primarily in oleic (18:1), linoleic (18:2), and arachidonic (20:4). Na/sup +/-K/sup +/-adenosinetriphosphatase (ATPase) activity was inhibited to 29% of control by 2 h of PLA/sub 2/ treatment, and this inhibition was reversed (albeit, not completely after 5 min of PLA/sub 2/ treatment) by removal of the hydrolysis products with 0.1% bovine serum albumin (BSA). In contrast, the apparent binding capacity for (/sup 3/H)ouabain was not affected by PLA/sub 2/ treatment. Unmasking of latent (/sup 3/H)ouabain binding by alamethicin was utilized to estimate changes in the proportion of sealed vesicles present before and after PLA/sub 2/ treatment. PLA/sub 2/ treatment resulted in a time-dependent loss of sealed vesicles that paralleled the time course of phospholipid hydrolysis and was not reversed by washing with BSA. These studies demonstrate that cardiac Na/sup +/-K/sup +/-ATPase activity is inhibited by accumulation of endogenously produced lysophospholipids and NEFA. In contrast, loss of vesicle integrity may result from both accumulation of endogenously produced hydrolysis products and membrane phospholipid depletion.

  1. Influence of cadmium on ketamine-induced anesthesia and brain microsomal Na[sup +], K[sup +]-ATPase in mice

    SciTech Connect (OSTI)

    Shen, Y.; Sangiah, S. (Oklahoma State Univ., Stillwater, OK (United States))

    1994-10-01T23:59:59.000Z

    Cadmium is a rare metallic element, present in almost all types of food. Shellfish, wheat and rice accumulate very high amounts. Occupational and environmental pollutants are the main sources of cadmium exposure. Cadmium has a very long biologic half-life. Exposure to Cadmium causes anemia, hypertension, hepatic, renal, pulmonary and cardiovascular disorders as well as being a possible mutagen, teratogen and carcinogen. Acute cadmium treatment increased the hexobarbital sleeping time and inhibited hepatic microsomal drug metabolism due to a decrease in cytochrome P[sub 450] content. Cadmium potentiated ethanol-induced sleep in a dose-dependent manner. Cadmium has been shown to inhibit brain microsomal Na[sup +], K[sup +]-ATPase activity in vitro and in vivo. Cadmium and ethanol additively inhibited brain Na[sup +], K[sup +]-ATPase. This might be a direct interaction between cadmium and ethanol in the central nervous system. Ketamine is an intravenous anesthetic agent. It acts on central nervous system and produces [open quotes]dissociative anaesthesia.[close quotes] Ketamine provides adequate surgical anesthesia and is used alone in humans and/or combination with xylazine, an [alpha][sub 2]-adrenergic agonist in animals. It produces CNS depression, analgesia, amnesia, immobility and a feeling of dissociation from the environment. Ketamine is a non-competitive antagonist of the NMDA subset of the glutamate receptor. This perhaps results in an increase in neuronal activity leading to disorganization of normal neurotransmission and produces dissociative anesthetic state. Because it is different from most other anesthetics, ketamine may be expected to have a unique effect on brain biochemical parameters and enzymes. The purpose of this study was to examine the interactions between cadmium and ketamine on the central nervous system and ATPase, in an attempt to further understand the mechanism of action. 12 refs., 3 figs.

  2. South Texas South Texas

    E-Print Network [OSTI]

    Azevedo, Ricardo

    Honkeytonk Cookers South Texas Honkeytonk Cookers South Texas Honkeytonk Cookers Five Friends and Cookers TKE TKE Fired Up Texans Fired Up Texans Fired Up Texans Frontra Five Friends and Cookers TKE Front Porch(Sigma PhiEpsilon) Pike Cookers Pike Cookers Los Borrachos Los Borrachos KoketasCookers Marcia

  3. Na1/3V2O5 V-V "4kF CDW" [1] H. Seo, S. Ishibashi, and Y. Otsuka, unpublished.

    E-Print Network [OSTI]

    Katsumoto, Shingo

    #12;2 Sr1/3V2O5 [9] 4 Na1/3V2O5 V-V "4kF CDW" [1] H. Seo, S. Ishibashi, and Y. Otsuka, unpublished. [2] H. Seo and H. Fukuyama, J. Phys. Soc. Jpn. 67 (1998) 2602. [3] M. Isobe and Y. Ueda, J. Phys

  4. DOI: 10.1002/asia.200700054 Single-Crystalline and Near-Monodispersed NaMF3 (M=Mn, Co, Ni, Mg)

    E-Print Network [OSTI]

    Gao, Song

    importance.[1a,b,2] As important inorganic functional materials, complex metal fluorides such as AI MII F3, the NaMF3 (M=Mn, Co, Ni) nanoplates were partially aligned to form nanoar- rays on copper TEM grids Materials and Bioinorganic Chemistry Peking University, Beijing 100871 (China) Fax: (+86)10-6275-4179 E

  5. The determination of phase relations in the CH?-H?O-NaCl system at 2 and 5 kbars, 300 to 600° C using synthetic fluid inclusions

    E-Print Network [OSTI]

    McShane, Christopher Joseph

    1999-01-01T23:59:59.000Z

    the fluid. The fractured prisms were dried overnight at approximately 130'C and placed into an annealed Au capsule (4. 75 mm x 4. 50 mm x 76 mm). Known amounts of HtO + NaCl solutions of various molalities were placed in the capsule along with the prism...

  6. Aqueous NaCl and CsCl Solutions Confined in Crystalline Slit-Shaped Silica Nanopores of Varying Degrees of Protonation

    SciTech Connect (OSTI)

    Ho, Thomas [ORNL; Argyris, Dr. Dimitrios [University of Oklahoma; Cole, David [Ohio State University; Striolo, Alberto [Oklahoma University

    2012-01-01T23:59:59.000Z

    All-atom molecular dynamics simulations were conducted to study the dynamics of aqueous electrolyte solutions confined in slit-shaped silica nanopores of various degrees of protonation. Five degrees of protonation were prepared by randomly removing surface hydrogen atoms from fully protonated crystalline silica surfaces. Aqueous electrolyte solutions containing NaCl or CsCl salt were simulated at ambient conditions. In all cases, the ionic concentration was 1 M. The results were quantified in terms of atomic density distributions within the pores, and the self-diffusion coefficient along the direction parallel to the pore surface. We found evidence for ion-specific properties that depend on ion surface, water ion, and only in some cases ion ion correlations. The degree of protonation strongly affects the structure, distribution, and the dynamic behavior of confined water and electrolytes. Cl ions adsorb on the surface at large degrees of protonation, and their behavior does not depend significantly on the cation type (either Na+ or Cs+ ions are present in the systems considered). The cations show significant ion-specific behavior. Na+ ions occupy different positions within the pore as the degree of protonation changes, while Cs+ ions mainly remain near the pore center at all conditions considered. For a given degree of protonation, the planar self-diffusion coefficient of Cs+ is always greater than that of Na+ ions. The results are useful for better understanding transport under confinement, including brine behavior in the subsurface, with important applications such as environmental remediation.

  7. Prototype Tests for the Recovery and Conversion of UF6Chemisorbed in NaF Traps for the Molten Salt Reactor Remediation Project

    SciTech Connect (OSTI)

    Del Cul, G.D.

    2000-06-07T23:59:59.000Z

    The remediation of the Molten Salt Reactor Experiment (MSRE) site includes the removal of about 37 kg of uranium. Of that inventory, about 23 kg have already been removed from the piping system and chemisorbed in 25 NaF traps. This material is being stored in Building 3019. The planned recovery of {approx}11 kg of uranium from the fuel salt will generate another 15 to 19 NaF traps. The remaining 2 to 3 kg of uranium are present in activated charcoal beds, which are also scheduled to be removed from the reactor site. Since all of these materials (NaF traps and the uranium-laden charcoal) are not suitable for long-term storage, they will be converted to a chemical form [uranium oxide (U{sub 3}O{sub 8})], which is suitable for long-term storage. This document describes the process that will be used to recover and convert the uranium in the NaF traps into a stable oxide for long-term storage. Included are a description of the process, equipment, test results, and lessons learned. The process was developed for remote operation in a hot cell. Lessons learned from the prototype testing were incorporated into the process design.

  8. Prototype Tests for the Recovery and Conversion of UF6 Chemisorbed in NaF Traps for the Molten Salt Reactor Remediation Project

    SciTech Connect (OSTI)

    Del Cul, G.D.; Icenhour, A.S.; Simmons, D.W.

    2000-04-01T23:59:59.000Z

    The remediation of the Molten Salt Reactor Experiment (MSRE) site includes the removal of about 37 kg of uranium. Of that inventory, about 23 kg have already been removed from the piping system and chemisorbed in 25 NaF traps. This material is being stored in Building 3019. The planned recovery of -11 kg of uranium from the fuel salt will generate another 15 to 19 NaF traps. The remaining 2 to 3 kg of uranium are present in activated charcoal beds, which are also scheduled to be removed from the reactor site. Since all of these materials (NaF traps and the uranium-laden charcoal) are not suitable for long-term storage, they will be converted to a chemical form [uranium oxide], which is suitable for long-term storage. This document describes the process that will be used to recover and convert the uranium in the NaF traps into a stable oxide for long-term storage. Included are a description of the process, equipment, test results, and lessons learned. The process was developed for remote operation in a hot cell. Lessons learned from the prototype testing were incorporated into the process design.

  9. A new study of the $^{22}$Ne(p,$?$)$^{23}$Na reaction deep underground: Feasibility, setup, and first observation of the 186 keV resonance

    E-Print Network [OSTI]

    F. Cavanna; R. Depalo; M. -L. Menzel; M. Aliotta; M. Anders; D. Bemmerer; C. Broggini; C. G. Bruno; A. Caciolli; P. Corvisiero; T. Davinson; A. di Leva; Z. Elekes; F. Ferraro; A. Formicola; Zs. Fülöp; G. Gervino; A. Guglielmetti; C. Gustavino; Gy. Gyürky; G. Imbriani; M. Junker; R. Menegazzo; P. Prati; C. Rossi Alvarez; D. A. Scott; E. Somorjai; O. Straniero; F. Strieder; T. Szücs; D. Trezzi

    2014-11-25T23:59:59.000Z

    The $^{22}$Ne(p,$\\gamma$)$^{23}$Na reaction takes part in the neon-sodium cycle of hydrogen burning. This cycle is active in asymptotic giant branch stars as well as in novae and contributes to the nucleosythesis of neon and sodium isotopes. In order to reduce the uncertainties in the predicted nucleosynthesis yields, new experimental efforts to measure the $^{22}$Ne(p,$\\gamma$)$^{23}$Na cross section directly at the astrophysically relevant energies are needed. In the present work, a feasibility study for a $^{22}$Ne(p,$\\gamma$)$^{23}$Na experiment at the Laboratory for Underground Nuclear Astrophysics (LUNA) 400\\,kV accelerator deep underground in the Gran Sasso laboratory, Italy, is reported. The ion beam induced $\\gamma$-ray background has been studied. The feasibility study led to the first observation of the $E_{\\rm p}$ = 186\\,keV resonance in a direct experiment. An experimental lower limit of 0.12\\,$\\times$\\,10$^{-6}$\\,eV has been obtained for the resonance strength. Informed by the feasibility study, a dedicated experimental setup for the $^{22}$Ne(p,$\\gamma$)$^{23}$Na experiment has been developed. The new setup has been characterized by a study of the temperature and pressure profiles. The beam heating effect that reduces the effective neon gas density due to the heating by the incident proton beam has been studied using the resonance scan technique, and the size of this effect has been determined for a neon gas target.

  10. The Minnesota Wri.ng Project's Collabora.on with Teacher Educators in Norway Na.onal Center for Wri.ng Educa.on and Research (Skrivesenteret)

    E-Print Network [OSTI]

    Amin, S. Massoud

    The Minnesota Wri.ng Project's Collabora.on with Teacher Educators in Norway (HiST) · Located in Trondheim, Norway It funcIons as a naIonal resource center their work with teachers throughout all of Norway. In order to obtain more first

  11. Nanoparticle/Graphene Capsules by Capillary Molding K. Sohn1, Y. J. Na1, H. Chang2, K. Roh2, H. D. Jang2 and J. Huang1

    E-Print Network [OSTI]

    Shahriar, Selim

    MRSEC Nanoparticle/Graphene Capsules by Capillary Molding K. Sohn1, Y. J. Na1, H. Chang2, K. Roh2 Resources K. Sohn, et al., Chem. Comm., 48. 2, 5968 (2012). Hollow graphene capsules are synthesized by capillary molding of graphene oxide (GO) sheets against polystyrene bead template in evaporating aerosol

  12. Early-type stars observed in the ESO UVES Paranal Observatory Project: I -- Interstellar Na I UV, Ti II and Ca II K observations

    E-Print Network [OSTI]

    I. Hunter; J. V. Smoker; F. P. Keenan; C. Ledoux; E. Jehin; R. Cabanac; C. Melo; S. Bagnulo

    2006-01-17T23:59:59.000Z

    We present an analysis of interstellar Na I (lambda=3302.37\\AA, 3302.98\\AA), Ti II (lambda=3383.76\\AA) and Ca II K (lambda=3933.66\\AA) absorption features for 74 sightlines towards O- and B-type stars in the Galactic disc. The data were obtained from the UVES Paranal Observatory Project, at a spectral resolution of 3.75km/s and with mean signal to noise ratios per pixel of 260, 300 and 430 for the Na I, Ti II and Ca II observations, respectively. Interstellar features were detected in all but one of the Ti II sightlines and all of the Ca II sightlines. The dependence of the column density of these three species with distance, height relative to the Galactic plane, H I column density, reddening and depletion relative to the solar abundance has been investigated. We also examine the accuracy of using the Na I column density as an indicator of that for H I. In general we find similar strong correlations for both Ti and Ca, and weaker correlations for Na. Our results confirm the general belief that Ti and Ca occur in the same regions of the interstellar medium and also that the Ti II/Ca II ratio is constant over all parameters. We hence conclude that the absorption properties of Ti and Ca are essentially constant under the general interstellar medium conditions of the Galactic disc.

  13. Synthesis of Na1.25V3O8 Nanobelts with Excellent Long-Term Stability for Rechargeable Lithium-Ion Batteries

    E-Print Network [OSTI]

    Cao, Guozhong

    by the calcination temperatures. As cathode materials for lithium ion batteries, the Na1.25V3O8 nanobelts synthesized.25V3O8 nanobelts are promising cathode materials for secondary lithium batteries. KEYWORDS: sodium vanadium oxide, nanobelts, sol-gel, lithium-ion batteries, long-term stability 1. INTRODUCTION Because

  14. Study of a layered iron(III) phosphate phase Na3Fe3(PO4)4 used as positive electrode in lithium batteries

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    prepared by solid-state reaction was studied as positive electrode in lithium batteries. Up to 1.9 Li and lithium batteries. 1. Introduction : Recently, a new class of cathodic material based on iron phosphatesStudy of a layered iron(III) phosphate phase Na3Fe3(PO4)4 used as positive electrode in lithium

  15. 116 BULLETIN O F THE UNITED STATES FISH COMMISSION. ISEMOVAL O F BASS FROm INDIANA TO NORTH CAROLlNA B Y TEE

    E-Print Network [OSTI]

    116 BULLETIN O F THE UNITED STATES FISH COMMISSION. ISEMOVAL O F BASS FROm INDIANA TO NORTH CAROLl of fish culture at present. The experience in bass propagation by Major Arnold, and the transfer fromNA B Y TEE UNITED STATEB FPSE oommmsmo1y. B y CNAS. W. SMILEY. Although the Fish Commission has

  16. The Cleveland MuseuM of naTural hisTorY nuMber 56 GEOLOGY AND PALEONTOLOGY OF LEMUDONG'O, KENYA

    E-Print Network [OSTI]

    Hlusko, Leslea J.

    The Cleveland MuseuM of naTural hisTorY nuMber 56 GEOLOGY AND PALEONTOLOGY OF LEMUDONG'O, KENYA HISTORY OF PALEONTOLOGICAL RESEARCH IN THE NAROK DISTRICT OF KENYA 1 Stanley H. Ambrose, Mwanzia David, A LATE MIOCENE TERRESTRIAL FOSSIL SITE IN SOUTHERN KENYA 38 Stanley H. Ambrose, Christopher J. Bell

  17. Simulation of the Bishop Steam Foam Pilot by T.W. Patzek and N.A. h4yhiil, Shell Development Co.

    E-Print Network [OSTI]

    Patzek, Tadeusz W.

    ,.. SEW SPE 18786 Simulation of the Bishop Steam Foam Pilot by T.W. Patzek and N.A. h4yhiil, Shell a simple model of steam foam transport and apply it to the Shell Kern River Bishop pilot. The only an incremental 5.5 percent OOIP recovery due to steam foam and additional 3 percent OOIP due to infill wells

  18. Composition dependence of the photophysical and photocatalytic properties of (AgNbO{sub 3}){sub 1-x}(NaNbO{sub 3}){sub x} solid solutions

    SciTech Connect (OSTI)

    Li Guoqiang [Photocatalytic Materials Center (PCMC), National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047 (Japan); Department of Materials Science and Engineering, Nanjing University, Nanjing 210093 (China); Ecomaterials and Renewable Energy Research Center (ERERC), Department of Physics, Nanjing University, Nanjing 210093 (China); Kako, Tetsuya; Wang Defa [Photocatalytic Materials Center (PCMC), National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047 (Japan); Zou Zhigang [Department of Materials Science and Engineering, Nanjing University, Nanjing 210093 (China); Ecomaterials and Renewable Energy Research Center (ERERC), Department of Physics, Nanjing University, Nanjing 210093 (China); Ye Jinhua [Photocatalytic Materials Center (PCMC), National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047 (Japan)], E-mail: Jinhua.YE@nims.go.jp

    2007-10-15T23:59:59.000Z

    A series of orthorhombic photocatalysts (AgNbO{sub 3}){sub 1-x}(NaNbO{sub 3}){sub x} solid solutions have been synthesized by a solid-state reaction method. The composition dependence of the photophysical and photocatalytic properties of synthesized solid solutions has been investigated systematically. With an increase in the content of NaNbO{sub 3}, we found that (1) the lattice parameters decreased; (2) the Nb-O bond length in NbO{sub 6} octahedron reduced; (3) the band gap increased; and (4) the mean particle size decreased while the Brunauer-Emmett-Teller (BET) surface area increased. Photocatalytic activities of the (AgNbO{sub 3}){sub 1-x}(NaNbO{sub 3}){sub x} (0{<=}x{<=}0.5) samples were evaluated from gaseous 2-propanol (IPA) decomposition into acetone and CO{sub 2} under visible-light irradiation emitted from blue-light-emitting diodes (BLEDs; light intensity: 0.01 mW cm{sup -2}). Among all the samples, the (AgNbO{sub 3}){sub 0.6}(NaNbO{sub 3}){sub 0.4} sample showed the highest photocatalytic activity. - Graphical abstract: A series of orthorhombic photocatalysts (AgNbO{sub 3}){sub 1-x}(NaNbO{sub 3}){sub x} solid solutions have been synthesized by a solid-state reaction method. The composition dependence of the photophysical and photocatalytic properties of synthesized solid solutions has been investigated systematically. The solid solutions show higher visible-light photocatalytic activities for gaseous IPA decomposition in comparison with AgNbO{sub 3}, although the light intensity is 0.01 mW cm{sup -2}. Rate of acetone evolution under visible-light irradiation as a function of NaNbO{sub 3} content in (AgNbO{sub 3}){sub 1-x}(NaNbO{sub 3}){sub x}. The inset is the spectrum of BLEDs. The light intensity is 0.01 mW cm{sup -2}.

  19. doi:10.1016/S0016-7037(02)00026-7 The distribution of sodium ions in aluminosilicate glasses: A high-field Na-23 MAS and 3Q

    E-Print Network [OSTI]

    Puglisi, Joseph

    of Geological and Environmental Sciences, Stanford University, Stanford, CA 94305-2115, USA (Received May 22-SiO2 join) and its distribution using 23 Na magic-angle spinning (MAS) nuclear magnetic resonance) because of the reduced effect of second-order quadrupolar interaction, and 23 Na MAS NMR spectra thus

  20. Texas Capital Fund (Texas)

    Broader source: Energy.gov [DOE]

    The Texas Capital Fund is designed to promote growth in rural non-entitlement areas, generally defined as cities with less than 50,000 residents or counties with less than 200,000 residents....

  1. Phase transition upon K{sup +} ion exchange into Na-low silica X: Combined NMR and synchrotron X-ray powder diffraction study

    SciTech Connect (OSTI)

    Lee, Y.; Parise, J.B. [State Univ. of New York, Stony Brook, NY (United States)] [State Univ. of New York, Stony Brook, NY (United States); Carr, S.W. [ANSTO, Menai (Australia)] [ANSTO, Menai (Australia)

    1998-09-01T23:59:59.000Z

    The mechanism by which K{sup +} ions exchange into zeolite Na-low silica X (LSX) (Na{sub 96}Al{sub 96}Si{sub 96}O{sub 384}{center_dot}nH{sub 2}O) has ben determined by studying structures of the Na-LSX and K-LSX end members in the Na-K LSX solid solution series as well as samples exchanged at the 20%, 42% and 80% K{sup +} levels. A preliminary investigation using {sup 29}Si MAS NMR spectroscopy revealed a two-phase region in the solid solution near 80% K{sup +} exchange. Rietveld analysis of the powder diffraction data collected from hydrated samples showed that, up to 42% of K{sup +} exchange, K{sup +} ions were located preferentially at site I{prime}, just outside the double 6-ring (D6R) in the sodalite age, and at site II, above the single 6-ring (S6R) in the supercage. Introduction of K{sup +} ions into site I{prime} repositioned Na{sup +} ions into site I, at the center of the D6R. An abrupt change in the cubic lattice parameter from 25.0389(5) to 25.2086(5) {angstrom} marked the formation of a second phase at the 80% K{sup +}-exchange level as K{sup +} ions began to occupy site I. No coexistence of phases was observed for the fully K{sup +}-exchanged sample (a = 25.2486(2) {angstrom}), where sites I and II were fully occupied by K{sup +} ions.

  2. Comparison of CeBr3 with LaBr3:Ce, LaCl3:Ce, and NaI:Tl Detectors

    SciTech Connect (OSTI)

    ,

    2010-09-01T23:59:59.000Z

    Energy resolution and detection efficiency were compared between two sizes of cerium bromide (CeBr3) scintillators, three sizes of lanthanum bromide (LaBr3:Ce) scintillators, three sizes of sodium iodide (NaI:Tl) scintillators, and a lanthanum chloride (LaCl3:Ce) scintillator. Comparisons are made of key parameters such as energy resolution, detection efficiency, linearity, and self-activity of CeBr3, LaBr3:Ce, LaCl3:Ce, and NaI:Tl scintillator detectors. The scintillator detectors are tested by comparing the peak separation and identification in the energy range up to 3.0 MeV using 133Ba, 152Eu, and naturally occurring radioactive materials [1]. The study has shown that CeBr3 scintillator detectors provided by Saint-Gobain offer better resolution than NaI:Tl scintillator detectors. CeBr3 detectors could resolve some closely spaced peaks from 133Ba and 152Eu, which NaI:Tl could not. LaBr3:Ce has slightly better resolution, and a slightly higher efficiency than CeBr3. In this work, “self-activity” of each of these four detector types was measured by operating the detectors themselves. A comparison of the intrinsic activity for all of the detectors in this study is demonstrated. For CeBr3, the self-activity present may be reduced, or even eliminated in the future, through improved processes for growing the material. It will be discussed if, and under what conditions, CeBr3 may be better than LaBr3:Ce and LaCl3:Ce for detection of certain special nuclear material ?-rays [2]. An overall advantage of CeBr3 detectors over lanthanum halide and NaI:Tl detectors will be discussed.

  3. Laboratory Test Report for Fujitsu 12RLS and Mitsubishi FE12NA Mini-Split Heat Pumps

    SciTech Connect (OSTI)

    Winkler, J.

    2011-09-01T23:59:59.000Z

    Mini-split heat pumps are being proposed as a new retrofit option to replace resistance heating in the Pacific Northwest. NREL has previously developed a field test protocol for mini-split systems to ensure consistent results from field tests. This report focuses on the development of detailed system performance maps for mini-split heat pumps so that the potential benefits of mini-split systems can be accurately analyzed for different climate regions and housing types. This report presents laboratory test results for two mini-split heat pumps. Steady-state heating and cooling performance for the Fujitsu 12RLS and Mitsubishi FE12NA was tested under a wide range of outdoor and indoor temperatures at various compressor and fan speeds. Cycling performance for each unit was also tested under both modes of operation. Both systems performed quite well under low loads and the experimental test data aligned with manufacturer reported values. Adequate datasets were attained to promote performance modeling of these two systems in the future.

  4. Development of Fragmented Low-Z Ion Beams for the NA61 Experiment at the CERN SPS

    E-Print Network [OSTI]

    Efthymiopoulos, I; Bohl, T; Breuker, H; Calviani, M; Manglunki, D; Mataguez, S; Maury, S; Valderanis, C; Cornelis, K; Spanggaard, J; Cettour-Cave, S; Gazdzicki, M; Seyboth, P; Guber, F; Ivashkin, A

    2011-01-01T23:59:59.000Z

    The NA61 experiment, aims to study the properties of the onset of deconfinement at low SPS energies and to find signatures of the critical point of strongly interacting matter. A broad range in T-?B phase diagram will be covered by performing an energy (13A-158AGeV/c) and system size (p+p, Be+Be, Ar+Ca, Xe+La) scan. In a first phase, fragmented ion beams of 7Be or 11C produced as secondaries with the same momentum per nucleon when the incident primary Pb-ion beam hits a thin Be target will be used. The H2 beam line that transports the beam to the experiment acts as a double spectrometer which combined with a new thin target (degrader) where fragments loose energy proportional to the square of their charge allows the separation of the wanted A/Z fragments. Thin scintillators and TOF measurement for the low energy points are used as particle identification devices. In this paper results from the first test of the fragmented ion beam done in 2010 will be presented showing that a pure Be beam can be obtained sa...

  5. Phase Behavior of Aqueous NA-K-MG-CA-CI-NO3 Mixtures: Isopiestic Measurements and Thermodynamic Modeling

    SciTech Connect (OSTI)

    M.S. Gruszkiewiez; D.A. Palmer; R.D. Springer; P. Wang; A. Anderko

    2006-09-14T23:59:59.000Z

    A comprehensive model has been established for calculating thermodynamic properties of multicomponent aqueous systems containing the Na{sup +}, K{sup +}, Mg{sup 2+}, Ca{sup 2+}, Cl{sup -}, and NO{sub 3}{sup -} ions. The thermodynamic framework is based on a previously developed model for mixed-solvent electrolyte solutions. The framework has been designed to reproduce the properties of salt solutions at temperatures ranging from the freezing point to 300 C and concentrations ranging from infinite dilution to the fused salt limit. The model has been parameterized using a combination of an extensive literature database and new isopiestic measurements for thirteen salt mixtures at 140 C. The measurements have been performed using Oak Ridge National Laboratory's (ORNL) previously designed gravimetric isopiestic apparatus, which makes it possible to detect solid phase precipitation. Water activities are reported for mixtures with a fixed ratio of salts as a function of the total apparent salt mole fraction. The isopiestic measurements reported here simultaneously reflect two fundamental properties of the system, i.e., the activity of water as a function of solution concentration and the occurrence of solid-liquid transitions. The thermodynamic model accurately reproduces the new isopiestic data as well as literature data for binary, ternary and higher-order subsystems. Because of its high accuracy in calculating vapor-liquid and solid-liquid equilibria, the model is suitable for studying deliquescence behavior of multicomponent salt systems.

  6. Boron uptake in tumors, cerebrum and blood from [10B]NA4B24H22S2

    DOE Patents [OSTI]

    Slatkin, Daniel N. (Bayside, NY); Micca, Peggy L. (Patchogue, NY); Fairchild, Ralph G. (Setauket, NY)

    1988-01-01T23:59:59.000Z

    A stable boronated (.sup.10 B-labeled) compound, sodium mercaptoundecahydrododecaborate is infused in the form of the disulfide dimer, [.sup.10 B]Na.sub.4 B.sub.24 H.sub.22 S.sub.2, at a dose of about 200 .mu.g .sup.10 B per gm body weight. The infusion is performed into the blood or peritoneal cavity of the patient slowly over a period of many days, perhaps one week or more, at the rate of roughly 1 .mu.g .sup.10 B per gm body weight per hour. Use of this particular boronated dimer in the manner or similarly to the manner so described permits radiotherapeutically effective amounts of boron to accumulate in tumors to be treated by boron neutron capture radiation therapy and also permits sufficient retention of boron in tumor after the cessation of the slow infusion, so as to allow the blood concentration of .sup.10 B to drop or to be reduced artificially to a radiotherapeutically effective level, less than one-half of the concentration of .sup.10 B in the tumor.

  7. (Ca,Na)(Zn,Mn){sub 2}As{sub 2}: A new spin and charge doping decoupled diluted ferromagnetic semiconductor

    SciTech Connect (OSTI)

    Zhao, K.; Chen, B. J.; Deng, Z.; Zhao, G. Q.; Zhu, J. L.; Liu, Q. Q.; Wang, X. C. [Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Collaborative Innovation Center of Quantum Matter, Beijing (China); Han, W. [Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Collaborative Innovation Center of Quantum Matter, Beijing (China); Department of Physics, Chengde Mingzu College, Chengde (China); Frandsen, B.; Liu, L.; Cheung, S.; Uemura, Y. J. [Department of Physics, Columbia University, New York, New York 10027 (United States); Ning, F. L. [Department of Physics, Zhejiang University, Hangzhou 310027 (China); Munsie, T. J. S.; Medina, T.; Luke, G. M. [Department of Physics and Astronomy, McMaster University, Hamilton, L8S 4M1 (Canada); Carlo, J. P. [Department of Physics, Villanova University, Villanova, Pennsylvania 19085 (United States); Munevar, J. [Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro (Brazil); Zhang, G. M. [Department of Physics, Tsinghua University, Beijing (China); Jin, C. Q., E-mail: JIN@iphy.ac.cn [Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Collaborative Innovation Center of Quantum Matter, Beijing (China); Department of Physics, Columbia University, New York, New York 10027 (United States)

    2014-10-28T23:59:59.000Z

    Here, we report the successful synthesis of a spin- and charge-decoupled diluted magnetic semiconductor (DMS) (Ca,Na)(Zn,Mn){sub 2}As{sub 2}, crystallizing into the hexagonal CaAl{sub 2}Si{sub 2} structure. The compound shows a ferromagnetic transition with a Curie temperature up to 33?K with 10% Na doping, which gives rise to carrier density of n{sub p}???10{sup 20?}cm{sup ?3}. The new DMS is a soft magnetic material with H{sub C}?

  8. Enhancing upconversion emissions of NaTm0.02YbxY0.98xF4 nanocrystals through increasing Yb3

    E-Print Network [OSTI]

    Cao, Wenwu

    Enhancing upconversion emissions of NaTm0.02YbxY0.98�xF4 nanocrystals through increasing Yb3 þ the enhancement of the 470 nm emissions, which is in good agreement with the experimental data. & 2011 Elsevier B are vital to realize multicolor fluorescence bio-labels [3,4]. Blue UC emissions can also excite several FDA

  9. Electronic, structural, phonon dynamical, and CO{sub 2} capture properties of LiMZrO{sub 3} (M=Na, K) by ab initio thermodynamic investigation

    SciTech Connect (OSTI)

    Duan, Yuhua

    2014-01-01T23:59:59.000Z

    The electronic, structural and phonon properties of LiMZrO{sub 3} (M=Na, K) were investigated by the density functional theory and lattice phonon dynamics. Their thermodynamic properties for CO{sub 2} absorption/desorption were analyzed in comparison with the corresponding M{sub 2}ZrO{sub 3}. Two substituted configurations of LiMZrO{sub 3} were created from Li{sub 2}ZrO{sub 3}. Both types of LiNaZrO3 have direct band gaps with values of 3.84 eV and 3.49 eV respectively. While in the case of LiKZrO{sub 3}, one type has an indirect band gap of 3.79 eV between ? and M high symmetric points while another has a direct band gap of 3.12 eV. The phonon dispersions and phonon density of states of LiMZrO{sub 3} were calculated with the direct method. From the calculated thermodynamic properties of LiMZrO{sub 3} reacting with CO{sub 2}, our results showed that by doping Na into Li{sub 2}ZrO{sub 3}, the obtained new solid LiNaZrO{sub 3} has better performance as a CO{sub 2} sorbent applying to post-combustion capture technology. For K doping into Li{sub 2}ZrO{sub 3}, our calculated thermodynamic results showed that the new solid LiKZrO{sub 3} does not gain improvement on its CO{sub 2} capture performance because its regeneration temperature is much higher than Li{sub 2}ZrO{sub 3}.

  10. 20Na.PDF

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered‰PNGExperience hands-onASTROPHYSICS H.CarbonMarch Value of the verb5N

  11. 20Na_78.PDF

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered‰PNGExperience hands-onASTROPHYSICS H.CarbonMarch Value of the verb5N

  12. NA Department of Energy

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

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

  13. DOE/NA-0027

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNational NuclearhasAdministration77 SandiaGuidance to8/08/2012 254O 311.1B3127

  14. Identification of a Pool of Non-pumping Na/K-ATPase* Received for publication,September 27, 2006, and in revised form, February 6, 2007 Published, JBC Papers in Press,February 12, 2007, DOI 10.1074/jbc.M609181200

    E-Print Network [OSTI]

    Brand, Paul H.

    Identification of a Pool of Non-pumping Na/K-ATPase* Received for publication,September 27, 2006 ascribed many non-pumping functions to the Na/K-ATPase. Here, we present experimental evidence functions other than ion pumping. This "non-pumping" pool of Na/K-ATPase, like the pumping pump, binds

  15. Synthesis and characterization of a NaSICON series with general formula Na{sub 2.8}Zr{sub 2-y}Si{sub 1.8-4y}P{sub 1.2+4y}O{sub 12} (0=

    SciTech Connect (OSTI)

    Essoumhi, A. [Laboratoire de Physico-chimie du Materiau et du Milieu Marin, Faculte des Sciences et Techniques, Universite de Toulon et du Var, 83957 La Garde Cedex (France); Favotto, C. [Laboratoire de Physico-chimie du Materiau et du Milieu Marin, Faculte des Sciences et Techniques, Universite de Toulon et du Var, 83957 La Garde Cedex (France); Mansori, M. [Laboratoire de Chimie des Materiaux et de l'environnement, Faculte des Sciences et Techniques, Universite Cadi Ayyad, B.P. 549, 40000 Marrakech-Maroc (France); Satre, P. [Laboratoire de Physico-chimie du Materiau et du Milieu Marin, Faculte des Sciences et Techniques, Universite de Toulon et du Var, 83957 La Garde Cedex (France)]. E-mail: satre@univ-tln.fr

    2004-12-01T23:59:59.000Z

    In this work, we present the synthesis and the characterization of ionic conducting ceramics of NaSICON-type (Natrium super ionic conductor). The properties of this ceramic make it suitable for use in electrochemical devices. These solid electrolytes can be used as sensors for application in the manufacturing of potentiometric gas sensors, for the detection of pollutant emissions and for environment control. The family of NaSICON that we studied has as a general formula Na{sub 2.8}Zr{sub 2-y}Si{sub 1.8-4y}P{sub 1.2+4y}O{sub 12} with 0=Na{sub 2.8}Zr{sub 1.775}Si{sub 0.9}P{sub 2.1}O{sub 12} composition.

  16. Ion exchange-induced dissolution of calcite in Na-montmorillonite/CaCO?b3?s systems: its effect on hydraulic conductivity, CaCO?b3?s dissolution kinetics, and CaCO?b3?s equilibrium relations

    E-Print Network [OSTI]

    Del Rio Durand, Jose Bruno

    1990-01-01T23:59:59.000Z

    ION EXCHAiVGE-INDUCED DISSOLUTION OF CALCITE IV Na- lVIONTMORILLONITE/CaCO3 SYSTEMS: ITS EFFECT ON HYDRAULIC CONDUCTIVITY, CaCOp DISSOLUTION KINETICS, AND CaCO3 EQUILIBRIUM RELATIONS A Thesis by JOSE BRUNO DEL RIO DURAND Submitted... in the laboratory under conditions of saturated flow. Experiments with Na/Ca-montmorillonite/calcite/sand mixtures showed that the deleterious effect of sodicity on hydraulic conductivity (HC) and clay flocculation was minimized substantially when calcite...

  17. A triple-resonant RF coil setup for 1H, 23Na and 39K MR imaging of the rat brain at 9.4T M. A. Augath1,2

    E-Print Network [OSTI]

    A triple-resonant RF coil setup for 1H, 23Na and 39K MR imaging of the rat brain at 9.4T M. A. Augath1,2 , P. Heiler1 , S. Kirsch1 , and L. R. Schad1 1 Computer Assisted Clinical Medicine, Faculty concentrations of 23 Na and 39 K offers a very promising approach in clinical diagnostics. For MR imaging of both

  18. Temperature-dependent framework–template interaction of |Na{sub 6}(H{sub 2}O){sub 8}|[ZnPO{sub 4}]{sub 6} sodalite

    SciTech Connect (OSTI)

    Robben, Lars, E-mail: lrobben@uni-bremen.de; Gesing, Thorsten M.

    2013-11-15T23:59:59.000Z

    The partial dehydration followed by the decomposition of sodium-zincophosphate-hydrosodalite caused by the total water loss was examined by temperature-dependent X-ray powder diffraction, Fourier transform infrared (FTIR) and Raman spectroscopy as well as thermogravimetry combined with difference thermoanalysis. The dehydration causing the decomposition of this sodalite could be described in a two step-process. Initially two water molecules per unit-cell were lost, changing the interaction between the zincophosphate framework and the remaining water molecules as well as sodium cations as non-framework constituents. In this stage a 3+3 coordination of water molecules and sodium cations in the sodalite cage is observed. Using the autocorrelation function (AC) for the evaluation of the temperature-dependent FTIR spectra of sodalites is reported here for the first time. Calculating the changes in the AC broadness, structural features could well be analyzed due to its correlation with respective structural parameters. Temperature dependent Raman data was used to give a band assignment of bands at Raman shifts below 300 cm{sup ?1}. - Graphical abstract: The thermal decomposition of |Na{sub 6}(H{sub 2}O){sub 8}|[ZnPO{sub 4}]{sub 6} sodalite is a two-step process with an initial loss of two water molecules at 400 K, intermediately stabilizing the highly stressed framework. Further heating leads to a subsequent loss of the remaining six water molecules and a breakup of the sodalite framework. A beryllonite-type NaZnPO{sub 4} is the final product of this process. Display Omitted - Highlights: • The decomposition of |Na{sub 6}(H{sub 2}O){sub 8}|[ZnPO{sub 4}]{sub 6} sodalite is a two-step process. • Initial loss of two water molecule at 400 K stabilizes the sodalite (step 1). • Further heating leads to complete loss of water and structural breakdown. • Autocorrelation of temperature dependent FTIR-spectra gives structural information.

  19. Isolation and characterization of BetaM protein encoded by ATP1B4 - a unique member of the Na,K-ATPase {beta}-subunit gene family

    SciTech Connect (OSTI)

    Pestov, Nikolay B. [Department of Physiology and Pharmacology, University of Toledo College of Medicine, 3000 Arlington Ave., Toledo, OH 43614 (United States) [Department of Physiology and Pharmacology, University of Toledo College of Medicine, 3000 Arlington Ave., Toledo, OH 43614 (United States); Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow 117997 (Russian Federation); Zhao, Hao [Department of Physiology and Pharmacology, University of Toledo College of Medicine, 3000 Arlington Ave., Toledo, OH 43614 (United States)] [Department of Physiology and Pharmacology, University of Toledo College of Medicine, 3000 Arlington Ave., Toledo, OH 43614 (United States); Basrur, Venkatesha [Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109 (United States)] [Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109 (United States); Modyanov, Nikolai N., E-mail: nikolai.modyanov@utoledo.edu [Department of Physiology and Pharmacology, University of Toledo College of Medicine, 3000 Arlington Ave., Toledo, OH 43614 (United States)

    2011-09-09T23:59:59.000Z

    Highlights: {yields} Structural properties of BetaM and Na,K-ATPase {beta}-subunits are sharply different. {yields} BetaM protein is concentrated in nuclear membrane of skeletal myocytes. {yields} BetaM does not associate with a Na,K-ATPase {alpha}-subunit in skeletal muscle. {yields} Polypeptide chain of the native BetaM is highly sensitive to endogenous proteases. {yields} BetaM in neonatal muscle is a product of alternative splice mRNA variant B. -- Abstract: ATP1B4 genes represent a rare instance of the orthologous gene co-option that radically changed functions of encoded BetaM proteins during vertebrate evolution. In lower vertebrates, this protein is a {beta}-subunit of Na,K-ATPase located in the cell membrane. In placental mammals, BetaM completely lost its ancestral role and through acquisition of two extended Glu-rich clusters into the N-terminal domain gained entirely new properties as a muscle-specific protein of the inner nuclear membrane possessing the ability to regulate gene expression. Strict temporal regulation of BetaM expression, which is the highest in late fetal and early postnatal myocytes, indicates that it plays an essential role in perinatal development. Here we report the first structural characterization of the native eutherian BetaM protein. It should be noted that, in contrast to structurally related Na,K-ATPase {beta}-subunits, the polypeptide chain of BetaM is highly sensitive to endogenous proteases that greatly complicated its isolation. Nevertheless, using a complex of protease inhibitors, a sample of authentic BetaM was isolated from pig neonatal skeletal muscle by a combination of ion-exchange and lectin-affinity chromatography followed by SDS-PAGE. Results of the analysis of the BetaM tryptic digest using MALDI-TOF and ESI-MS/MS mass spectrometry have demonstrated that native BetaM in neonatal skeletal muscle is a product of alternative splice mRNA variant B and comprised of 351 amino acid residues. Isolated BetaM protein was also characterized by SELDI-TOF mass spectrometry before and after deglycosylation. This allowed us to determine that the carbohydrate moiety of BetaM has molecular mass 5.9 kDa and consists of short high-mannose type N-glycans. The results of direct analysis of the purified native eutherian BetaM protein provide first insights into structural properties underlying its entirely new evolutionarily acquired functions.

  20. III Seminrio Tcnico-cientfico de anlise dos dados de desmatamento na Amaznia Legal So Jos dos Campos, 27 e 28 de junho de 2005

    E-Print Network [OSTI]

    25 X 25 km, com uma base construída a partir dos dados gerados pelo PRODES e DETER . Para isso foramIII Seminário Técnico-científico de análise dos dados de desmatamento na Amazônia Legal São José da dinâmica dos dados de desflorestamento para o período de 1997 a 2004, em células com resolução de

  1. In situ soft X-ray absorption spectroscopy investigation of electrochemical corrosion of copper in aqueous NaHCO3 solution

    SciTech Connect (OSTI)

    Jiang, Peng; Chen, Jeng-Lung; Borondics, Ferenc; Glans, Per-Anders; West, Mark W.; Chang, Ching-Lin; Salmeron, Miquel; Guo, Jinghua

    2010-03-31T23:59:59.000Z

    A novel electrochemical setup has been developed for soft x-ray absorption studies of the electronic structure of electrode materials during electrochemical cycling. In this communication we illustrate the operation of the cell with a study of the corrosion behavior of copper in aqueous NaHCO3 solution via the electrochemically induced changes of its electronic structure. This development opens the way for in situ investigations of electrochemical processes, photovoltaics, batteries, fuel cells, water splitting, corrosion, electrodeposition, and a variety of important biological processes.

  2. NaLaF{sub 4}:Pr{sup 3+},Yb{sup 3+}, an efficient blue to near infra-red quantum cutter

    SciTech Connect (OSTI)

    Guille, A.; Pereira, A.; Moine, B., E-mail: bernard.moine@univ-lyon1.fr [Université Lyon 1, CNRS UMR 5306, Institut Lumière Matière, Université de Lyon, F-69622 Villeurbanne (France)

    2013-12-01T23:59:59.000Z

    In order to reduce the thermalization losses in solar cells, down-conversion of blue photons into near infra-red photons is a promising solution. In the present paper, we analyse the energy transfer processes between Pr{sup 3+} and Yb{sup 3+} in NaLaF{sub 4} and we show that an efficient quantum-cutting process occurs. Nevertheless, we also show that a back transfer from Yb{sup 3+} toward the {sup 1}G{sub 4} level of Pr{sup 3+} ion leading to emission beyond 1??m reduces the potentiality of this material as a quantum cutter for Si solar cells.

  3. Cathodic hydrogen embrittlement of a 22% chromium 5% nickel duplex stainless steel in sulfide containing 3.5 wt% NaCl solution

    SciTech Connect (OSTI)

    Tsai, S.Y. [Industrial Technology Research Inst., Hsinchu (Taiwan, Province of China). Materials Research Labs.; Shih, H.C. [National Tsing Hua Univ., Hsinchu (Taiwan, Province of China). Dept. of Materials Science and Engineering; Yen, K.P. [National Chung Hsing Univ., Taichung (Taiwan, Province of China). Inst. of Materials Engineering

    1996-08-01T23:59:59.000Z

    Hydrogen embrittlement (HE) of a 2,205 duplex stainless steel has been studied by slow straining of tensile specimens in sulfide containing 3.5 wt% NaCl solution. A more complex sulfide-concentration-dependent loss in ductility was discovered at controlled potentials in {minus}1,100 mV (SCE). It is believed that HE was controlled by the critical concentration of S as a promoter at lower sulfide levels and recovery of ductility at higher sulfide concentrations was attributed to the role of the sulfide as a cathodic inhibitor. No stress corrosion cracking (SCC) was observed at anodic polarization in this system. The electrochemical results indicate that the corrosion potentials of 2,205 duplex stainless steel in 3.5 wt% NaCl solution move to the less noble direction with increasing the sulfide concentration or with decreasing the solution acidity. This trend was not influenced by the presence of dissolved oxygen. Under severe HE environments transgranular cleavage is the favored path for cracking.

  4. X-ray Studies of Regenerated Cellulose Fibers Wet Spun from Cotton Linter Pulp in NaOH/Thiourea Aqueous Solutions

    SciTech Connect (OSTI)

    Chen,X.; Burger, C.; Fang, D.; Ruan, D.; Zhang, L.; Hsiao, B.; Chu, B.

    2006-01-01T23:59:59.000Z

    Regenerated cellulose fibers were fabricated by dissolution of cotton linter pulp in NaOH (9.5 wt%) and thiourea (4.5 wt%) aqueous solution followed by wet-spinning and multi-roller drawing. The multi-roller drawing process involved three stages: coagulation (I), coagulation (II) and post-treatment (III). The crystalline structure and morphology of regenerated cellulose fiber was investigated by synchrotron wide-angle X-ray diffraction (WAXD) and small-angle X-ray scattering (SAXS) techniques. Results indicated that only the cellulose II crystal structure was found in regenerated cellulose fibers, proving that the cellulose crystals were completely transformed from cellulose I to II structure during spinning from NaOH/thiourea aqueous solution. The crystallinity, orientation and crystal size at each stage were determined from the WAXD analysis. Drawing of cellulose fibers in the coagulation (II) bath (H{sub 2}SO{sub 4}/H{sub 2}O) was found to generate higher orientation and crystallinity than drawing in the post-treatment (III). Although the post-treatment process also increased crystal orientation, it led to a decrease in crystallinity with notable reduction in the anisotropic fraction. Compared with commercial rayon fibers fabricated by the viscose process, the regenerated cellulose fibers exhibited higher crystallinity but lower crystal orientation. SAXS results revealed a clear scattering maximum along the meridian direction in all regenerated cellulose fibers, indicating the formation of lamellar structure during spinning.

  5. Crystal structure and magnetic properties of NaCu{sup II}[(Cu{sup II}{sub 3}O)(PO{sub 4}){sub 2}Cl

    SciTech Connect (OSTI)

    Jin Tengteng [Key Laboratory of Transparent Opto-Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Dingxi Rd. 1295, Shanghai 200050 (China); Liu Wei [Institute of Science and Engineering of Materials, Ocean University of China, Qingdao (China); Chen Shuang; Prots, Yurii; Schnelle, Walter [Max-Planck-Institut fuer Chemische Physik fester Stoffe, Noethnitzer Str. 40, 01187 Dresden (Germany); Zhao Jingtai [Key Laboratory of Transparent Opto-Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Dingxi Rd. 1295, Shanghai 200050 (China); Kniep, Ruediger [Max-Planck-Institut fuer Chemische Physik fester Stoffe, Noethnitzer Str. 40, 01187 Dresden (Germany); Hoffmann, Stefan, E-mail: stefan.hoffmann@cpfs.mpg.de [Max-Planck-Institut fuer Chemische Physik fester Stoffe, Noethnitzer Str. 40, 01187 Dresden (Germany)

    2012-08-15T23:59:59.000Z

    A new copper(II) oxide phosphate chloride, NaCu{sup II}[(Cu{sup II}{sub 3}O)(PO{sub 4}){sub 2}Cl], has been synthesized by flux synthesis. Single-crystal X-ray diffraction data show that the title compound crystallizes in the monoclinic system, space group P2{sub 1}/c (No. 14), with lattice parameters a=8.392(2) A, b=6.3960(10) A, c=16.670(2) A, {beta}=109.470(10) Degree-Sign , V=843.6(3) A{sup 3}, Z=4. The crystal structure is characterized by a complex chain of copper-centered polyhedra running along [0 1 0] which are connected by phosphate tetrahedra. The resulting three-dimensional polyhedra framework exhibits channels filled by additional copper and sodium atoms. Field and temperature dependent measurements of the specific heat and the magnetic susceptibility reveal low-dimensional magnetic behavior. The compound starts to decompose at 700 K under release of oxygen and evaporation of Cu{sup I}Cl as shown by simultaneous thermogravimetry and mass spectrometry. - Graphical abstract: The crystal structure of the new copper(II) phosphate chloride, NaCu{sup II}[(Cu{sup II}{sub 3}O)(PO{sub 4}){sub 2}Cl], exhibits linear chains of copper tetrahedra which show low-dimensional magnetic behavior proven by specific heat and magnetic susceptibility measurements. Highlights: Black-Right-Pointing-Pointer A new copper(II) oxide phosphate chloride, NaCu{sup II}[(Cu{sup II}{sub 3}O)(PO{sub 4}){sub 2}Cl], has been synthesized by flux synthesis. Black-Right-Pointing-Pointer The crystal structure comprises chains of Cu{sub 4}O tetrahedra. Black-Right-Pointing-Pointer Low-dimensional behavior has been proven by magnetic and specific heat measurements. Black-Right-Pointing-Pointer On heating, Cu{sup I}Cl and oxygen are released shown by simultaneous thermogravimetry and mass spectrometry.

  6. Fluorine sites in glasses and transparent glass-ceramics of the system Na{sub 2}O/K{sub 2}O/Al{sub 2}O{sub 3}/SiO{sub 2}/BaF{sub 2}

    SciTech Connect (OSTI)

    Bocker, Christian, E-mail: christian.bocker@uni-jena.d [Otto-Schott-Institut, Jena University, Fraunhoferstr. 6, 07743 Jena (Germany); Munoz, Francisco; Duran, Alicia [Instituto de Ceramica y Vidrio (CSIC), Kelsen 5, 28049 Madrid (Spain); Ruessel, Christian [Otto-Schott-Institut, Jena University, Fraunhoferstr. 6, 07743 Jena (Germany)

    2011-02-15T23:59:59.000Z

    The transparent glass-ceramics obtained in the silicate system Na{sub 2}O/K{sub 2}O/SiO{sub 2}/BaF{sub 2} show homogeneously dispersed BaF{sub 2} nano crystals with a narrow size distribution. The X-ray diffraction and the nuclear magnetic resonance spectroscopy were applied to glasses and the respective glass-ceramics in order to clarify the crystallization mechanism and the role of fluorine during crystallization. With an increasing annealing time, the concentration and also the number of crystals remain approximately constant. With an increasing annealing temperature, the crystalline fraction increases until a saturation limit is reached, while the number of crystals decreases and the size of the crystals increases. Fluoride in the glassy network occurs as Al-F-Ba, Al-F-Na and also as Ba-F structures. The latter are transformed into crystalline BaF{sub 2} and fluoride is removed from the Al-F-Ba/Na bonds. However, some fluorine is still present in the glassy phase after the crystallization. -- Graphical abstract: The X-ray diffraction and the nuclear magnetic resonance spectroscopy were applied to glasses in the silicate system Na{sub 2}O/K{sub 2}O/SiO{sub 2}/BaF{sub 2} and the respective glass-ceramics with BaF{sub 2} nano crystals in order to clarify the crystallization mechanism and the role of fluorine during crystallization. Display Omitted Research highlights: {yields} BaF{sub 2} nano crystals are precipitated from a silicate glass system. {yields} Ostwald ripening during the late stage of crystallization does not occur. {yields} Fluorine in the glass is coordinated with Ba as well as Al together with Ba or Na.{yields} In the glass-ceramics, the residual fluorine is coordinated as Al-F-Ba/Na.

  7. Correlation between Charge State of Insulating NaCl Surfaces and Ionic Mobility Induced by Water Adsorption: A Combined Ambient Pressure X-ray Photoelectron Spectroscopy and Scanning Force Microscopy Study

    SciTech Connect (OSTI)

    Verdaguer, Albert; Jose Segura, Juan; Fraxedas, Jordi; Bluhm, Hendrik; Salmeron, Miquel

    2008-09-03T23:59:59.000Z

    In situ ambient pressure X-ray photoelectron spectroscopy (APPES) and scanning force microscopy were used to characterize the surface discharge induced by water layers grown on (001) surfaces of sodium chloride single crystals. The APPES studies show that both kinetic energy (KE) and full width at half-maximum (FWHM) of the Na 2s and Cl 2p core level peaks, monitored as a function of relative humidity (RH), mimic surface conductivity curves measured using scanning force microscopy. The KE position and FWHM of the core level peaks therefore are directly related to the solvation and diffusion of ions at the NaCl(100) surface upon adsorption of water.

  8. Light scattering from ,,K0.5Na0.5...0.2,,Sr0.75Ba0.25...0.9Nb2O6 with the tungsten bronze structure: An analogy with relaxor ferroelectrics

    E-Print Network [OSTI]

    Light scattering from ,,K0.5Na0.5...0.2,,Sr0.75Ba0.25...0.9Nb2O6 with the tungsten bronze structure a complex single crystal from the tungsten­bronze family, K0.5Na0.5 0.2 Sr0.75Ba0.25 0.9Nb2O6 doped with Cu2 photorefractive material.1 KNSBN originates from the tungsten­bronze family of ferroelectrics. KNSBN has two close

  9. A reinvestigation of the electrochemical behavior of Nb(V) in AlCl[sub 3]-NaCl[sub SAT] and related melts

    SciTech Connect (OSTI)

    Sienerth, K.D. (Virginia Military Inst., Lexington, VA (United States). Dept. of Chemistry); Hondrogiannis, E.M.; Mamantov, G. (Univ. of Tennessee, Knoxville, TN (United States). Dept. of Chemistry)

    1994-07-01T23:59:59.000Z

    The electrochemistry and spectroelectrochemistry of Nb(V) in molten sodium chloroaluminate saturated with NaCl at 178 C were re-examined. It was determined that previous studies involved solutions of high oxide content. The reduction of NbCl[sub 5] in oxide-free melts was found to proceed via four steps at short times and low concentrations. At higher concentrations and long times, the reduction sequence was complicated by a chemical reaction which followed the initial reduction step. The effect of temperature on the electrochemistry of Nb(V) in sodium chloroaluminate and fluorochloraluminates was examined; temperature had a marked effect on the behavior of Nb(V) in these melts, but no significant differences were observed between melts with and those without fluoride. Attempts to produce electrolytically niobium metal from Nb(V) in these metals met with limited success.

  10. Jupiter as an exoplanet: UV to NIR transmission spectrum reveals hazes, a Na layer and possibly stratospheric H2O-ice clouds

    E-Print Network [OSTI]

    Montañes-Rodriguez, P; Palle, E; Lopez-Puertas, M; Garcia-Melendo, E

    2015-01-01T23:59:59.000Z

    Currently, the analysis of transmission spectra is the most successful technique to probe the chemical composition of exoplanet atmospheres. But the accuracy of these measurements is constrained by observational limitations and the diversity of possible atmospheric compositions. Here we show the UV-VIS-IR transmission spectrum of Jupiter, as if it were a transiting exoplanet, obtained by observing one of its satellites, Ganymede, while passing through Jupiter's shadow i.e., during a solar eclipse from Ganymede. The spectrum shows strong extinction due to the presence of clouds (aerosols) and haze in the atmosphere, and strong absorption features from CH4. More interestingly, the comparison with radiative transfer models reveals a spectral signature, which we attribute here to a Jupiter stratospheric layer of crystalline H2O ice. The atomic transitions of Na are also present. These results are relevant for the modeling and interpretation of giant transiting exoplanets. They also open a new technique to explore...

  11. {sup 25}Na and {sup 25}Mg fragmentation on {sup 12}C at 9.23 MeV per nucleon at TRIUMF

    SciTech Connect (OSTI)

    St-Onge, Patrick; Boisjoli, Mark; Fregeau, Marc-Olivier; Gauthier, Jerome; Wallace, Barton; Roy, Rene [Departement de physique, de genie physique et d'optique, Universite Laval, Quebec, G1V 0A6 (Canada)

    2012-10-20T23:59:59.000Z

    HERACLES is a multidetector that is used to study heavy-ion collisions, with ion beams with an energy range between 8 to 15 MeV per nucleon. It has 78 detectors axially distributed around the beam axis in 6 rings allowing detection of multiple charged fragments from nuclear reactions. HERACLES has 4 different types of detectors, BC408/BaF{sub 2} phoswich, Si/CsI(Tl) telescope, BC408/BC444 phoswich and CsI(Tl) detectors. The multidetector has been run with a radioactive {sup 25}Na beam and a stable {sup 25}Mg beam at 9.23 MeV per nucleon on a carbon target.

  12. Problemi di Ricerca relativi all'uso di ICT e Tecnologie Didattiche (TD) nella Ricerca in Didattica della Fisica Elena Sassi Dip. Scienze Fisiche Universit "Federico II" Napoli sassi@na.infn.it

    E-Print Network [OSTI]

    Spagnolo, Filippo

    della Fisica (PER) Elena Sassi Dip. Scienze Fisiche Università "Federico II" Napoli sassi@na.infn.it ALCUNE NOTE SULLA PRESENTAZIONE DEL 19/06/2006 Pg 1 Alla ricerca in didattica della fisica (Physics; problemi attuali da risolvere; ... Le ricerche in didattica della fisica sono iniziate una quarantina di

  13. NREL is a na*onal laboratory of the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, operated by the Alliance for Sustainable Energy, LLC. A Survey of State-Level Cost and

    E-Print Network [OSTI]

    Energy, LLC. A Survey of State-Level Cost and Benefit Es7mates-funded by EERE's Solar Energy Technologies Office, and the Na*onal Electricity Delivery. Download report: hSp://www.nrel.gov/docs/fy14os*/61042.pdf or hSp://emp.lbl.gov/publica*ons/survey-state-level-cost-and-benefit

  14. This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Security, LLC, Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344

    E-Print Network [OSTI]

    This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Security, LLC, Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344 LLNL States of Matter ­ FI Advanced Concepts Exploration ­ Virtual Lab for Technology ITER NIF Burning Plasma

  15. JOURNAL DE PHYSIQUE Colloque C6, supplement au no 7, Tome 4 1, Juillet 1980, page C6-344 Radiation induced color center and colloid formation in synthetic NaCl

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    crystals with apparatus for making optical absorption measurements during irradiation. Fcenter and colloid- tiques de NaCl avec un appareil permettant la mesure de I'absorption optique pendant I'irradiation. La d'irradiation et dc la dose totale, ainsi que des contraintes appliquees avant irradiation. Beaucoup

  16. Role of domestic animals as bloodmeal sources for mosquitoes in the Texas coastal prairies

    E-Print Network [OSTI]

    Kuntz, Karl Justin

    1977-01-01T23:59:59.000Z

    animal sera, was run in a system maintaining an 8. 0% NaCl concentration according to the con- ditions of maximum precipitation (Goodman et al. 1951). The setup involved 2 rows of tubes, 10 x 75 mm, 6 in the front row and 7 in the second row... County, Texas. 14 the number of years out of cultivation and season of the year. An unpublished survey of the plant communities in the fallow fields on the riceland study site made during the study period indi- cates that, through the spring and mid...

  17. Optimizing Synthesis of Na2Ti2SiO7 - 2H2O (Na-CST) and Ion Exchange Pathways for Cs0.4H1.6Ti2SiO7 - H2O (Cs-CST) Determined from in situ Synchrotron X-ray Powder Diffraction

    SciTech Connect (OSTI)

    Celestian,A.; Medvedev, D.; Tripathi, A.; Parise, J.; Clearfield, A.

    2005-01-01T23:59:59.000Z

    Observation of wide angle diffraction data collected in situ during previous synthesis of Na-CST (Na{sub 2}Ti{sub 2}SiO{sub 7}-2H{sub 2}O) showed initial crystallization of a precursor phase (SNT) at 30 C followed by conversion to CST after 1 h at 220 C. In situ studies of Cs{sup +} ion exchange into the H{sup +} form of CST showed a site-by-site ion exchange pathway accompanied by a simultaneous structural transition from P4{sub 2}/mbc (cell parameters a = 11.0690(6) Angstroms, c = 11.8842(6) Angstroms) to P4{sub 2}/mcm (cell parameters a = 7.847(2) Angstroms, c = 11.9100(6) Angstroms). After approximately 18% Cs{sup +} exchange into site designated Cs2 in space group P4{sub 2}/mcm, a site designated Cs1 in space group P4{sub 2}/mcm began to fill at the center of the 8MR windows until a maximum of approximately 22% exchange was achieved for Cs1. Bond valence sums of site Cs1 to framework O{sup 2-} are 1.00 v.u., while bond valence sums of site Cs2 to framework O{sup 2-} are 0.712 v.u. suggesting Cs1 to have a more stable bonding environment.

  18. Coupled Li{sup 1+}/Nb{sup 5+} and O{sup 2-}/F{sup -} ordering on the Na and Cl sites of the average NaCl structure of Li{sub 4}NbO{sub 4}F

    SciTech Connect (OSTI)

    Noren, Lasse [Research School of Chemistry, Australian National University, Canberra, ACT 0200 (Australia); Withers, Ray L., E-mail: withers@rsc.anu.edu.a [Research School of Chemistry, Australian National University, Canberra, ACT 0200 (Australia); Goossens, Darren J. [Research School of Chemistry, Australian National University, Canberra, ACT 0200 (Australia); Elcombe, Margaret; Kearley, Gordon J. [Bragg Institute, Building 87, Australian Nuclear Science and Technology Organisation, PMB, Menai, NSW 2234 (Australia)

    2009-05-15T23:59:59.000Z

    The average, as well as the cation and anion 'disordered', crystal structure of Li{sub 4}NbO{sub 4}F has been carefully investigated via coupled neutron and X-ray powder diffraction studies as well as via electron diffraction studies. The existence of a spectacular highly structured diffuse intensity distribution in the latter provides strong evidence for coupled Li{sup 1+}/Nb{sup 5+} and O{sup 2-}/F{sup -} ordering on the Na and Cl sites of the average NaCl structure of Li{sub 4}NbO{sub 4}F. Bond valence sum calculations have been used to investigate local crystal chemistry as well as to suggest plausible local crystal chemical constraints while ab initio DFT based theoretical calculations of a 2x2x2 supercell have been carried out in order to provide additional insight into the local crystal chemistry of this compound. - Graphical abstract: An <001> zone axis EDP typical of Li{sub 4}NbO{sub 4}F.

  19. In Situ Study of CO2 and H2O Partitioning Between Na-Montmorillonite and Variably Wet Supercritical Carbon Dioxide

    SciTech Connect (OSTI)

    Loring, John S.; Ilton, Eugene S.; Chen, Jeffrey; Thompson, Christopher J.; Martin, Paul F.; Benezeth, Pascale; Rosso, Kevin M.; Felmy, Andrew R.; Schaef, Herbert T.

    2014-06-03T23:59:59.000Z

    Shale formations play fundamental roles in large-scale geologic carbon sequestration (GCS) aimed primarily to mitigate climate change, and in smaller-scale GCS targeted mainly for CO2-enhanced gas recovery operations. In both technologies, CO2 is injected underground as a supercritical fluid (scCO2), where interactions with shale minerals could influence successful GCS implementation. Reactive components of shales include expandable clays, such as montmorillonites and mixed-layer illite/smectite clays. In this work, we used in situ X-ray diffraction (XRD) and in situ infrared (IR) spectroscopy to investigate the swelling/shrinkage and water/CO2 sorption of a pure montmorillonite, Na-SWy-2, when the clay is exposed to variably hydrated scCO2 at 50 °C and 90 bar. Measured interlayer spacings and sorbed water concentrations at varying levels of scCO2 hydration are similar to previously reported values measured in air at ambient pressure over a range of relative humidities. IR spectra show evidence of both water and CO2 intercalation, and variations in peak shapes and positions suggest multiple sorbed types with distinct chemical environments. Based on the intensity of the asymmetric CO stretching band of the CO2 associated with the Na-SWy-2, we observed a significant increase in sorbed CO2 as the clay expands from a 0W to a 1W state, suggesting that water props open the interlayer so that CO2 can enter. However, as the clay transitions from a 1W to a 2W state, CO2 desorbs sharply. These observations were placed in the context of two conceptual models concerning hydration mechanisms for expandable clays and were also discussed in light of recent theoretical studies on CO2-H2O-clay interactions. The swelling/shrinkage of expandable clays could affect solid volume, porosity, and permeability of shales. Consequently, the results from this work could aid predictions of shale caprock integrity in large-scale GCS, as well as methane transmissivity in enhanced gas recovery operations.

  20. Testing Buda-Lund hydro model on particle correlations and spectra in NA44, WA93 and WA98 heavy ion experiments

    E-Print Network [OSTI]

    A. Ster; T. Csorgo; B. Lorstad

    1998-09-28T23:59:59.000Z

    Analytic and numerical approximations to a hydrodynamical model describing longitudinally expanding, cylindrically symmetric, finite systems are fitted to preliminary NA44 data measured in 200 AGeV central $S + Pb$ reactions. The model describes the measured spectra and HBT radii of pions, kaons and protons, simultaneously. The source is characterized by a central freeze-out temperature of T_0 = 154 +/- 8 +/- 11 MeV, a "surface" temperature of T_r = 107 +/- 28 +/- 18 MeV and by a well-developed transverse flow, = 0.53 +/- 0.17 +/- 0.11. The transverse geometrical radius and the mean freeze-out time are found to be R_G = 5.4 +/- 0.9 +/- 0.7 fm and tau_0 = 5.1 +/- 0.3 +/- 0.3 fm/c, respectively. Fits to preliminary WA93 200 AGeV S + Au and WA98 158 AGeV Pb + Pb data dominated by pions indicate similar model parameters. The absolute normalization of the measured particle spectra together with the experimental determination of both the statistical and the systematic errors were needed to obtain successful fits.

  1. Measurements of heat and mass transfer coefficients during absorption of water vapor by lithium bromide and (Li,K,Na)NO sub 3 mixtures

    SciTech Connect (OSTI)

    Zaltash, A.; Ally, M.R.; Linkous, R.L.; Klatt, L.N.

    1991-01-01T23:59:59.000Z

    A knowledge of heat and mass transfer coefficients in heat pump fluids, plays an important role in the design of absorption machines. Heat and mass transfer coefficients as well as subcooling are measured for absorption of water vapor in (Li, K, Na)No{sub 3} and Lithium Bromide (LiBr) mixtures.The rate of absorption of water vapor is obtained from the difference in concentration of mixtures between inlet and outlet streams across the absorber. In situ concentrations of aqueous salt mixtures over temperature ranges between 80 to 135 {degrees}C were calculated from density measurements. This technique of measurement is a reliable and convenient but not a very accurate ({plus minus}0.8 wt% salt) method of measuring the in situ salt concentration. Results show that the subcooling at the absorber exit is not only a property of the fluid, but depends strongly on the process conditions. The subcooling in LiBr mixtures without additive is shown to vary between 2.2 and 24.3 {degrees}C and the film heat transfer coefficient between 1365.2 and 801.1 W/m{sup 2}.K respectively, depending upon process conditions. These empirical results will prove to be of value to heat pump manufacturers because they have a strong bearing on costs and performance. Heat and mass transfer coefficients in aqueous salt solutions ate presented as a function of dimensionless numbers. 12 refs., 3 figs., 4 tabs.

  2. Boron uptake in tumors, cerebrum and blood from (/sup 10/B)Na/sub 4/B/sub 24/H/sub 22/S/sub 2/

    DOE Patents [OSTI]

    Slatkin, D.N.; Micca, P.L.; Fairchild, R.G.

    1986-03-11T23:59:59.000Z

    A stable boronated (/sup 10/B-labeled) compound, sodium mercaptoundecahydrododecaborate is infused in the form of the disulfide dimer, (/sup 10/B)Na/sub 4/B/sub 24/H/sub 22/S/sub 2/, at a dose of about 200 ..mu..g /sup 10/B per gm body weight. The infusion is preformed into the blood or peritoneal cavity of the patient slowly over a period of many days, perhaps one week or more, at the rate of roughly 1 ..mu..g /sup 10/B per gm body weight per hour. Use of this particular boronated dimer in the manner or similarly to the manner so described permits radiotherapeutically effective amounts of boron to accumulate in tumors to be treated by boron neutron capture radiation therapy and also permits sufficient retention of boron in tumor after the cessation of the slow infusion, so as to allow the blood concentration of /sup 10/B to drop or to be reduced artificially to a radiotherapeutically effective level, less than one-half of the concentration of /sup 10/B in the tumor. 1 tab.

  3. The corrosion performance of die-cast magnesium alloy MRI230D in 3.5% NaCl solution saturated with Mg(OH){sub 2}

    SciTech Connect (OSTI)

    Aghion, E., E-mail: egyon@bgu.ac.il; Lulu, N.

    2010-11-15T23:59:59.000Z

    The environmental behavior of die-cast magnesium alloy MRI230D designated for high-temperature applications was evaluated in comparison with regular AZ91D alloy. The microstructure examination was carried out using SEM, TEM, and X-ray diffraction analysis; the corrosion performance in 3.5% NaCl solution was evaluated by immersion test, salt spray testing, potentiodynamic polarization analysis, and stress corrosion behavior by Slow Strain Rate Testing (SSRT). Although the general corrosion resistance of MRI230D was slightly improved compared to that of AZ91D alloy its stress corrosion resistance was relatively reduced. The variations in the environmental behavior of the two alloys were mainly due to the differences in their chemical composition and microstructure after die casting. In particular, the differences were related to the reduced Al content in MRI230D and the addition of Ca to this alloy, which consequently affected its relative microstructure and electrochemical characteristics. - Research Highlights: {yields}Corrosion and SCC resistance of a new Mg alloy MRI230D was evaluated vs. regular AZ91D. {yields}MRI230D has a minor advantage in corrosion performance compared with AZ91D. {yields}The SCC resistance of MRI230D by SSRT analysis was relatively reduced. {yields}The reduced SCC resistance of MRI230D was due to the detrimental effect of Ca on ductility.

  4. Molecular dynamics simulations of the electrical double layer on smectite surfaces contacting concentrated mixed electrolyte (NaCl-CaCl2)

    SciTech Connect (OSTI)

    Bourg, I.C.; Sposito, G.

    2011-04-01T23:59:59.000Z

    We report new molecular dynamics results elucidating the structure of the electrical double layer (EDL) on smectite surfaces contacting mixed NaCl-CaCl{sup 2} electrolyte solutions in the range of concentrations relevant to pore waters in geologic repositories for CO{sub 2} or high-level radioactive waste (0.34-1.83 mol{sub c} dm{sup -3}). Our results confirm the existence of three distinct ion adsorption planes (0-, {beta}-, and d-planes), often assumed in EDL models, but with two important qualifications: (1) the location of the {beta}- and d-planes are independent of ionic strength or ion type and (2) 'indifferent electrolyte' ions can occupy all three planes. Charge inversion occurred in the diffuse ion swarm because of the affinity of the clay surface for CaCl{sup +} ion pairs. Therefore, at concentrations 0.34 mol{sub c} dm{sup -3}, properties arising from long-range electrostatics at interfaces (electrophoresis, electro-osmosis, co-ion exclusion, colloidal aggregation) will not be correctly predicted by most EDL models. Co-ion exclusion, typically neglected by surface speciation models, balanced a large part of the clay mineral structural charge in the more concentrated solutions. Water molecules and ions diffused relatively rapidly even in the first statistical water monolayer, contradicting reports of rigid 'ice-like' structures for water on clay mineral surfaces.

  5. A convenient approach to $10^{-12}~g/g$ ICP-MS limits for Th and U in Aurubis electrolytic NA-ESN brand copper

    E-Print Network [OSTI]

    D. S. Leonard

    2014-03-20T23:59:59.000Z

    Inductively coupled plasma mass spectroscopy is a powerful technique for measuring trace levels of radioactive contaminants, specifically Th and U, in materials for use in construction of low-background rare-event detectors such as double beta decay and dark matter detectors. I describe here a technique for measuring Th and U contamination in copper using direct acid digestion and dilution, without further chemical processing, achieving results comparable to previous work which utilized more complex chemical pre-concentration techniques. A convenient research-oriented analysis environment is described as well. Results are presented for measurements of three samples from the production line of electrolytically-purified, LME (London Metal Exchange) grade A, NA-ESN Aurubis copper. Purified samples showed levels consistent with zero contamination for both elements, while weak but inconclusive indications of contamination were present for the un-purified anode copper. The best limits achieved are near $1\\cdot 10^{-12}$~g/g (95% CL) for both Th and U measured for copper from the cathode of the purification process.

  6. Laser cooling of the vibrational motion of Na{sub 2} combining the effects of zero-width resonances and exceptional points

    SciTech Connect (OSTI)

    Lefebvre, R. [Institut des Sciences Moleculaires d'Orsay, Batiment 350, Universite Paris-Sud (CNRS), F-91405 Orsay (France); U.F.R. de Physique Fondamentale et Appliquee, Universite Pierre et Marie Curie, F-75321 Paris (France); Jaouadi, A. [Institut des Sciences Moleculaires d'Orsay, Batiment 350, Universite Paris-Sud (CNRS), F-91405 Orsay (France); Laboratoire Aime Cotton, CNRS, Batiment 505, Universite Paris-Sud, F-91405 Orsay (France); Dulieu, O. [Laboratoire Aime Cotton, CNRS, Batiment 505, Universite Paris-Sud, F-91405 Orsay (France); Atabek, O. [Institut des Sciences Moleculaires d'Orsay, Batiment 350, Universite Paris-Sud (CNRS), F-91405 Orsay (France)

    2011-10-15T23:59:59.000Z

    We propose various scenarios for molecular vibrational cooling combining the effects of two kinds of resonance states occurring during the photodissociation of Na{sub 2} taken as an illustrative example. Such resonances result from an appropriate sampling of laser parameters (wavelength and intensity): (a) For particular choices of intensity and wavelength, two resonance energies can be brought to complete coalescence, with their positions and widths becoming equal and leading to a so-called exceptional point (EP) in the parameter plane. Advantage can be taken from such points for very selective laser-controlled vibrational transfer strategies. (b) For specific intensities, far beyond the perturbation regime, some resonances can have a zero width (infinite lifetime). They are referred to as a zero-width resonance (ZWR) and may be used for vibrational purification purposes. We show how appropriately shaped, experimentally reachable laser pulses, encircling EPs or inducing ZWRs, may be used for a thorough and comprehensive control aiming at population transfer or purification schemes, which, starting from an initial field-free vibrational distribution, ends up in the ground vibrational level.

  7. Water Rights (Texas)

    Broader source: Energy.gov [DOE]

    The Texas Commission on Environmental Quality regulates the water rights for the state of Texas. Water and state water may be appropriated, stored, or diverted in the state of Texas for beneficial...

  8. Forestry Policies (Texas)

    Broader source: Energy.gov [DOE]

    Texas' forested lands are managed by the Texas Forest Service, a division of Texas A&M University. TFS has issued the "Statewide Assessment of Forest Resources", which includes discussion of...

  9. WEST TEXAS HISTORICAL ASSOCIATION

    E-Print Network [OSTI]

    Rock, Chris

    Whitfield, Lubbock. Cover: "Stampede," by Tom Lea, El Paso 1940. #12;West Texas Historical Association 91st Foundations: Cattle, Slaves, and Cattle Drives from Stephens County, Texas" Bill Steward, Wichita Falls, Texas

  10. Castor Beans in Texas.

    E-Print Network [OSTI]

    Miller, E. A.

    1952-01-01T23:59:59.000Z

    5 ; AGRICULTURAL NSlON SERVICE BULLETIN 744 TEXAS AGRICULTURAL EXPERIMENT STATION Texas TEXAS AGRICULTURAL EXTENSION SERVICE G. G. Gibson, Director, College Station, Texas TEXAS AGRICULTURAL EXPERIMENT STATION R. D. Lewis, Director... Asror.omist; J. Roy Quinby, Superintendent, Substa- tion No. 12. Chillicothe; B. C. Langley, Superintendent Substation No. 20, Ste- phenville, and Joe H. Rothe, Brown County Agricultural Agent, of the Texas A. & M. College System; Joe R. Walzel...

  11. Lirmheas na Bliadhna Lirmheas na Bliadhna 2008-2009

    E-Print Network [OSTI]

    's expanding woodlands and the rich and spectacular habitats they provide. This is my last year as Chairman estate operations to become not only self-financing for the first time ever, but also a net contributor

  12. Groundwater Management Areas (Texas)

    Broader source: Energy.gov [DOE]

    This legislation authorizes the Texas Commission on Environmental Quality and the Texas Water Development Board to establish Groundwater Management Areas to provide for the conservation,...

  13. Ternary mutual diffusion coefficients of NaCl-SrCl/sub 2/-H/sub 2/O at 25/degrees/C. 2. Total concentrations of 2. 0 and 3. 0 mol/times/dm/sup /minus/3/

    SciTech Connect (OSTI)

    Rard, J.A.; Miller, D.G.

    1988-10-20T23:59:59.000Z

    Mutual diffusion coefficients were measured for aqueous NaCl-SrCl/sub 2/ mixtures at 25/degrees/C by using free-diffusion Rayleigh interferometry. These mixtures were total molarities of 2.0 and 3.0 mol/times/dm/sup /minus/3/ with molarity fractions of 2/3, 1/2, and 1/3, the results complement the authors earlier data at 0.5 and 1.0 mol/times/dm/sup /minus/3/. At a constant molarity ratio, the NaCl main-term coefficient decreases regularly by 19-36% with increasing concentration, in contrast, the SrCl/sub 2/ main-term coefficient is relatively constant, with 18% or less variation with concentration. The SrCl/sub 2/ cross-term coefficient is 7-23% of its corresponding main-term coefficient, whereas the NaCl cross-term coefficient varies from 8% to 73% of its corresponding main-term coefficient. Clearly, coupled diffusion is very important for these systems. Various estimation procedures were considered, including variations using the Nernst-Hartley equations and estimates from the corresponding binary solutions. None of these methods, for which sufficient auxiliary data are available, gave reliable estimates of diffusion coefficients for mixtures. At a total molarity of 3.0 mol/times/dm/sup /minus/3/ and molarity fractions of 1/2 and 1/3 NaCl, experiments with the SrCl/sub 2/ ..delta..c approx. 0 are convectively unstable with regard to fingering at the center of the boundary. Density data were also measured for the above systems.

  14. Real-time high-resolution X-ray imaging and nuclear magnetic resonance study of the hydration of pure and Na-doped C3A in the presence of sulfates

    SciTech Connect (OSTI)

    Kirchheim,, A. P.; Dal Molin, D.C.; Emwas, Abdul-Hamid; Provis, J.L.; Fischer, P.; Monteiro, P.J.M.

    2010-12-01T23:59:59.000Z

    This study details the differences in real-time hydration between pure tricalcium aluminate (cubic C{sub 3}A or 3CaO {center_dot} Al{sub 2}O{sub 3}) and Na-doped tricalcium aluminate (orthorhombic C{sub 3}A or Na{sub 2}Ca{sub 8}Al{sub 6}O{sub 18}), in aqueous solutions containing sulfate ions. Pure phases were synthesized in the laboratory to develop an independent benchmark for the reactions, meaning that their reactions during hydration in a simulated early age cement pore solution (saturated with respect to gypsum and lime) were able to be isolated. Because the rate of this reaction is extremely rapid, most microscopy methods are not adequate to study the early phases of the reactions in the early stages. Here, a high-resolution full-field soft X-ray imaging technique operating in the X-ray water window, combined with solution analysis by {sup 27}Al nuclear magnetic resonance (NMR) spectroscopy, was used to capture information regarding the mechanism of C{sub 3}A hydration during the early stages. There are differences in the hydration mechanism between the two types of C{sub 3}A, which are also dependent on the concentration of sulfate ions in the solution. The reactions with cubic C{sub 3}A (pure) seem to be more influenced by higher concentrations of sulfate ions, forming smaller ettringite needles at a slower pace than the orthorhombic C{sub 3}A (Na-doped) sample. The rate of release of aluminate species into the solution phase is also accelerated by Na doping.

  15. Charge Compensation in RE3+ (RE = Eu, Gd) and M+ (M = Li, Na, K) Co-Doped Alkaline Earth Nanofluorides Obtained by Microwave Reaction with Reactive Ionic Liquids Leading to Improved Optical Properties

    SciTech Connect (OSTI)

    Lorbeer, C [Ruhr-Universitat Bochum; Behrends, F [Westfalische Wilhelsm-Universitat Munster; Cybinska, J [Ruhr Universitat Bochum; Eckert, H [Westfalische Wilhelsm-Universitat Munster; Mudring, Anja -V [Ames Laboratory

    2014-01-01T23:59:59.000Z

    Alkaline earth fluorides are extraordinarily promising host matrices for phosphor materials with regard to rare earth doping. In particular, quantum cutting materials, which might considerably enhance the efficiency of mercury-free fluorescent lamps or SC solar cells, are often based on rare earth containing crystalline fluorides such as NaGdF4, GdF3 or LaF3. Substituting most of the precious rare earth ions and simultaneously retaining the efficiency of the phosphor is a major goal. Alkaline earth fluoride nanoparticles doped with trivalent lanthanide ions (which are required for the quantum cutting phenomenon) were prepared via a microwave assisted method in ionic liquids. As doping trivalent ions into a host with divalent cations requires charge compensation, this effect was thoroughly studied by powder X-ray and electron diffraction, luminescence spectroscopy and 23Na, 139La and 19F solid state NMR spectroscopy. Monovalent alkali ions were codoped with the trivalent lanthanide ions to relieve stress and achieve a better crystallinity and higher quantum cutting abilities of the prepared material. 19F-magic angle spinning (MAS)-NMR-spectra, assisted by 19F{23Na} rotational echo double resonance (REDOR) studies, reveal distinct local fluoride environments, the populations of which are discussed in relation to spatial distribution and clustering models. In the co-doped samples, fluoride species having both Na+ and La3+ ions within their coordination sphere can be identified and quantified. This interplay of mono- and trivalent ions in the CaF2 lattice appears to be an efficient charge compensation mechanism that allows for improved performance characteristics of such co-doped phosphor materials.

  16. Three sandglass-type molybdophosphates obtained via a new route: Synthesis and characterization of X{sub 7}[PMo{sub 8}O{sub 30}] (X=Na{sup +}, K{sup +}, NH{sub 4}{sup +})

    SciTech Connect (OSTI)

    Bai Yanchun; Liu Liping; Yan Xingjuan; Chu Wei; Zhu Yingying; Song Yuting [Department of Chemistry, School of Science, Beijing Institute of Technology, Beijing 100081 (China); Huang Rudan [Department of Chemistry, School of Science, Beijing Institute of Technology, Beijing 100081 (China)], E-mail: huangrudan1@bit.edu.cn

    2009-01-15T23:59:59.000Z

    Three new polyoxometalates X{sub 7}[PMo{sub 8}O{sub 30}] (X=Na{sup +}, 1; K{sup +}, 2; NH{sub 4}{sup +}, 3) have been synthesized with the classical Keggin and/or Dawson heteropolymolybdophosphates and PCl{sub 5} in acetonitrile-water solutions via hydrothermal treatment. The three compounds were characterized by different analyses including IR, {sup 31}P NMR spectroscopy, elemental analysis, electrochemistry, thermogravimetric analysis (TGA) and powder X-ray diffraction (XRD). Single crystal X-ray analyses were carried out on Na{sub 7}[PMo{sub 8}O{sub 30}] (1) and (NH{sub 4}){sub 7}[PMo{sub 8}O{sub 30}] (3). Compound 1 and 3 crystallize in the orthorhombic system. The structure of compound 2 was confirmed by the IR spectra and powder XRD. All the three compounds contain the same octamolybdophosphate polyoxoanion [PMo{sub 8}O{sub 30}]{sup 7-}, which consists of two Mo{sub 4}O{sub 15} moieties linked by one central PO{sub 4} tetrahedron, leading to a remarkable sandglass-like structure. - Graphical Abstract: with the Keggin and/or Dawson heteropolymolybdophosphates and PCl{sub 5} in acetonitrile-water solutions via hydrothermal treatment, three new polyoxometalates X{sub 7}[PMo{sub 8}O{sub 30}] (X=Na{sup +}, 1; K{sup +}, 2; NH{sub 4}{sup +}, 3) have been synthesized and characterized. Single crystal X-ray analyses were carried out on Na{sub 7}[PMo{sub 8}O{sub 30}] (1) and (NH{sub 4}){sub 7}[PMo{sub 8}O{sub 30}] (3). All the three compounds contain the new sandglass-like structure [PMo{sub 8}O{sub 30}]{sup 7-}.

  17. A thermodynamic model for hydrous silicate melts in the system NaAlSi3O8KAlSi3O8Si4O8H2O

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    A thermodynamic model for hydrous silicate melts in the system NaAlSi3O8­KAlSi3O8­Si4O8­H2O Marcus ­ remplacé par UMR6113 - ISTO Abstract Computation of crystal­liquid equilibria in hydrous silicate systems system. Author Keywords: Haplogranite system; Hydrous silicate melt; Liquidus phase equilibria; Linear

  18. Synthesis and structural transformations of the “glaserite” type zirconosilicate Na{sub 3?x}H{sub 1+x}ZrSi{sub 2}O{sub 8}·yH{sub 2}O

    SciTech Connect (OSTI)

    Kostov-Kytin, Vladislav V., E-mail: vkytin@abv.bg [Institute of Mineralogy and Crystallography, Bulgarian Academy of Science, Acad. G. Bonchev Str., Bl. 107 1113, Sofia (Bulgaria); Nikolova, Rosica P.; Nihtianova, Diana D. [Institute of Mineralogy and Crystallography, Bulgarian Academy of Science, Acad. G. Bonchev Str., Bl. 107 1113, Sofia (Bulgaria)] [Institute of Mineralogy and Crystallography, Bulgarian Academy of Science, Acad. G. Bonchev Str., Bl. 107 1113, Sofia (Bulgaria)

    2012-09-15T23:59:59.000Z

    Highlights: ? Hydrothermal synthesis of hydrous zirconosilicate Na{sub 3}HZrSi{sub 2}O{sub 8}·0.5H{sub 2}O is reported. ? Gradual symmetry lowering is observed upon synthesis treatment. ? This compound's modifications possess “glaserite”-type structure. ? This is a rare case of water-containing material with “glaserite”-type structure. -- Abstract: A hydrous sodium zirconosilicate material with “glaserite” type structure and generalized formula Na{sub 3?x}H{sub 1+x}ZrSi{sub 2}O{sub 8}·yH2O, 0 < x < 3, 0 < y < 1 is synthesized in the system Na{sub 2}O:ZrO{sub 2}:SiO{sub 2}:H{sub 2}O at 200 °C. Its crystal structure is composed of zirconium and silicon polyhedra connected to build layers additionally stacked to form 3D zipper-like network. Within the network there are cavities interconnected to channels with irregular shapes where the sodium atoms and water molecules reside. It is found that with synthesis duration the crystal structure gradually transforms from higher symmetrical into triclinic one. The structure of the triclinic form – Na{sub 3}HZrSi{sub 2}O{sub 8}·0.4H{sub 2}O was refined from powder diffraction data. It crystallizes in the space group P-1 with lattice parameters a = 9.05234, b = 5.56121, c = 6.96219 ?, ? = 92.178, ? = 90.839, ? = 90.288°. To the best of our knowledge the studied compound is the only water-containing material with “glaserite” type structure.

  19. 'Cortar na investigao como queimar

    E-Print Network [OSTI]

    Instituto de Sistemas e Robotica

    países, como a índia ou o Brasil, também tem havido um enorme reconhecimento da importância deste setor informação, de percebê-la. Há grandes questões: o que vem depois do Bosão de Higgs, o que é a energia negra

  20. BREAKFAST MENU (665 MG NA)

    E-Print Network [OSTI]

    Oliver, Douglas L.

    K (130 mg) Cheerios(130 mg) Raisin Bran (210 mg) Cream of Wheat (85 mg) Oatmeal (0 MG) Breakfast mg) Pasta: Rotini /Whole Wheat Penne w/your choice of: Marinara (240 mg)/Pesto (0 mg) From the Grill/Lowfat Italian/Lowfat French) (5 MG) DESSERTS: Angel Food Cake (280 MG) Diet Gelatin (5 MG) Diet Pudding: Vanilla

  1. Dopaminergic Modulation of Na+ Currents

    E-Print Network [OSTI]

    2) Do the proposed modifications in the biophysical properties of sodium channels account for the ... These studies focus on the pyramidal cells in the prefrontal cortex of rats. .... The efflux of K+ brings the potential down to the plateau.

  2. Document: NA Actionee: Dorothy Riehie

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phasesDataTranslocationDiurnal Cycle ofDo New55SubmissionNEWSvN T opvT

  3. NA SD 452.2

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

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

  4. Size Effect on Nuclear Gamma-Ray Energy Spectra Acquired by Different Sized CeBr3, LaBr3:Ce, and NaI:Tl Gamma-Ray Detectors

    SciTech Connect (OSTI)

    Guss, Paul [NSTec; Reed, Michael [NSTec; Yuan, Ding [NSTec; Beller, Denis [UNLV; Cutler, Matthew [UNLV; Contreras, Chris [UNLV; Mukhopadhyay, Sanjoy [NSTec; Wilde, Scott UNLV

    2014-03-01T23:59:59.000Z

    Gamma-ray energy spectra were acquired for different sizes of cerium tribromide (CeBr3), cerium-doped lanthanum tribromide (LaBr3:Ce), and thallium-doped sodium iodide (NaI:Tl) detectors. A comparison was conducted of the energy resolution and detection efficiency of these scintillator detectors for different sizes of detectors. The results of this study are consistent with the observation that for each size detector, LaBr3:Ce offers better resolution than either a CeBr3 or NaI:Tl detector of the same size. In addition, CeBr3 and LaBr3:Ce detectors could resolve some closely spaced peaks in the spectra of several radioisotopes that NaI:Tl could not. As the detector size increased, all three detector materials exhibited higher efficiency, albeit with slightly reduced resolution. Significantly, the very low intrinsic activity of CeBr3 is also demonstrated in this study, which, when combined with energy resolution characteristics for a range of detector sizes, could lead to an improved ability to detect special nuclear materials compared to the other detectors.

  5. Synthesis and photoluminescence properties of the high-brightness Eu{sup 3+}-doped M{sub 2}Gd{sub 4}(MoO{sub 4}){sub 7} (M=Li, Na) red phosphors

    SciTech Connect (OSTI)

    Zhao Chengchun [Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 (China); Graduate School of Chinese Academy of Sciences, Beijing 100039 (China); Yin Xin [CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China); Huang Fuqiang, E-mail: huangfq@mail.sic.ac.cn [CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China); Hang Yin, E-mail: yhang@siom.ac.cn [Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 (China)

    2011-12-15T23:59:59.000Z

    A series of red-emitting phosphors Eu{sup 3+}-doped M{sub 2}Gd{sub 4}(MoO{sub 4}){sub 7} (M=Li, Na) have been successfully synthesized at 850 Degree-Sign C by solid state reaction. The excitation spectra of the two phosphors reveal two strong excitation bands at 396 nm and 466 nm, respectively, which match well with the two popular emissions from near-UV and blue light-emitting diode chips. The intensity of the emission from {sup 5}D{sub 0} to {sup 7}F{sub 2} of M{sub 2}(Gd{sub 1-x}Eu{sub x}){sub 4}(MoO{sub 4}){sub 7} phosphors with the optimal compositions of x=0.85 for Li or x=0.70 for Na is about five times higher than that of Y{sub 2}O{sub 3}:Eu{sup 3+}. The quantum efficiencies of the entitled phosphors excited under 396 nm and 466 nm are also investigated and compared with commercial phosphors Sr{sub 2}Si{sub 5}N{sub 8}:Eu{sup 2+} and Y{sub 3}A{sub 5}O{sub 12}:Ce{sup 3+}. The experimental results indicate that the Eu{sup 3+}-doped M{sub 2}Gd{sub 4}(MoO{sub 4}){sub 7} (M=Li, Na) phosphors are promising red-emitting phosphors pumped by near-UV and blue light. - Graphical Abstract: The intensity of the red emission of M{sub 2}(Gd{sub 1-x}Eu{sub x}){sub 4}(MoO{sub 4}){sub 7} (M=Li, Na) phosphors with the optimal compositions is about five times higher than that of Y{sub 2}O{sub 3}:Eu{sup 3+}. Highlights: Black-Right-Pointing-Pointer Two novel Eu{sup 3+}-doped red phosphors (Na{sub 2}Gd{sub 4}(MoO{sub 4}){sub 2}, Li{sub 2}Gd{sub 4}(MoO{sub 4}){sub 7}) were synthesized. Black-Right-Pointing-Pointer Their emission intensities are about five times higher than that of Y{sub 2}O{sub 3}:Eu{sup 3+}. Black-Right-Pointing-Pointer Their quantum efficiencies are higher than that of commercial red phosphor Sr{sub 2}Si{sub 5}N{sub 8}:Eu{sup 2+}.

  6. Producing And Marketing Texas Citrus.

    E-Print Network [OSTI]

    Lyons, Calvin G. Jr; Maxwell, Norman P.; Dean, Herbert; Deer, James A.; Hart, William G.; Amador, Jose M.; Powell, Gordon

    1978-01-01T23:59:59.000Z

    AUTHORS 1. TEXAS CITRUS - ITS HISTORY AND CULTURE CALVIN G.LVONS, jR., Area Horticulturist (Citrus), Texas Agricultural Exten- sion Service, Weslaco, Texas . NORMAN P. MAXWELL, Associate Professor (Fruit Crops), Texas Agricultural Experiment... Station, Weslaco, Texas' 2. TEXAS CITRUS - MITES AND INSECTS HERBERT DEAN, Associate Professor (Citrus Insects), Texas Agricultural Ex- periment Station, Weslaco, Texas . JAMES A. DEER, Entomologist (Retired), Texas Agricultural Extension Service, Weslaco...

  7. Selling Texas: an internship at the Texas Department of Agriculture

    E-Print Network [OSTI]

    Cross, Kelly D.

    1997-01-01T23:59:59.000Z

    produce the world's finest fibers..." (TDA, 1996c). The division's BLJY TEXAS cwnpaign also promotes Texas products to its residents with whom Texas pride and loyalty are an arguable second only to American patriotism. The BUY TEXAS initiative...

  8. Texas Distant Learning Association Annual Conference San Antonio, Texas

    E-Print Network [OSTI]

    Azevedo, Ricardo

    and other departments), Texas Southern University, Texas A&M, Mexico Department of Health, UNAM, PEMEX, QGSI

  9. Structural investigation in the TiB{sub 2}-(Na{sub 2}O.B{sub 2}O{sub 3}.Al{sub 2}O{sub 3}) system

    SciTech Connect (OSTI)

    Buixaderas, Elena, E-mail: buixader@fzu.c [Institute of Physics, Academy of Science of the Czech Republic, Dielectrics Department, Na Slovance 2, 18221 Prague 8 (Czech Republic); Maria Anghel, Elena, E-mail: manghel@icf.r [Institute of Physical Chemistry 'Ilie Murgulescu'of Romanian Academy, Molten Salts Department, Spl. Independentei 202, 060021 Bucharest (Romania); Petrescu, Simona [Institute of Physical Chemistry 'Ilie Murgulescu'of Romanian Academy, Molten Salts Department, Spl. Independentei 202, 060021 Bucharest (Romania); Osiceanu, Petre, E-mail: posic@icf.r [Institute of Physical Chemistry 'Ilie Murgulescu' of Romanian Academy, Laboratory of Catalysis and Surface Chemistry, Spl. Independentei 202, 060021 Bucharest (Romania)

    2010-09-15T23:59:59.000Z

    Composites in the TiB{sub 2}-Na{sub 2}O.B{sub 2}O{sub 3}.Al{sub 2}O{sub 3} systems, TiB{sub 2}-MBA (MB stands for sodium metaborate and A is Al{sub 2}O{sub 3}), were prepared by self-propagating high-temperature synthesis (SHS), in simultaneous mode. Selection of these compositions was ruled by the interesting properties of both TiB{sub 2} and double borates of alkali metal and aluminum. The structure of the obtained materials was evaluated by micro-Raman spectroscopy, from room temperature up to 600 {sup o}C, and X-ray photoelectron spectroscopy (XPS). Formation of the TiB{sub 2} and TiO{sub 2-x}B{sub x} phases along with TiO{sub 2} as rutile were identified as titanium speciation in the grain phase embedded in a sodium aluminum borate matrix. Integration of the Raman spectra of the grain phases revealed a TiB{sub 2} content of 16.99% and 23.32% for the two composite investigated 2TiB{sub 2}.2MBA and 3TiB{sub 2}.5MBA. A constrained-width model for the spectral deconvolution of the high-frequency Raman band was forwarded to calculate the proportion of tetrahedral boron atoms (7.424%) in the blank borate matrix Na{sub 2}B{sub 2}O{sub 4}.Al{sub 2}O{sub 3} in solid phase. - Graphical abstract: Deconvolution of the reduced Raman spectrum of the grain phase in TiB{sub 2}-(Na{sub 2}O.B{sub 2}O{sub 3}.Al{sub 2}O{sub 3}) composite along with its Raman micrographs collected at room temperature.

  10. Structural stability and depolarization of manganese-doped (Bi{sub 0.5}Na{sub 0.5}){sub 1?x}Ba{sub x}TiO{sub 3} relaxor ferroelectrics

    SciTech Connect (OSTI)

    Wang, Sheng-Fen [Department of Physics, Fu Jen Catholic University, New Taipei City 24205, Taiwan (China); Tu, Chi-Shun, E-mail: 039611@mail.fju.edu.tw [Department of Physics, Fu Jen Catholic University, New Taipei City 24205, Taiwan (China); Graduate Institute of Applied Science and Engineering, Fu Jen Catholic University, New Taipei City 24205, Taiwan (China); Chang, Ting-Lun; Chen, Pin-Yi [Department of Mechanical Engineering, Ming-Chi University of Technology, New Taipei City 24301, Taiwan (China); Chen, Cheng-Sao [Department of Mechanical Engineering, Hwa-Hsia University of Technology, New Taipei City 23567, Taiwan (China); Hugo Schmidt, V. [Department of Physics, Montana State University, Bozeman, Montana 59717 (United States); Anthoniappen, J. [Graduate Institute of Applied Science and Engineering, Fu Jen Catholic University, New Taipei City 24205, Taiwan (China)

    2014-10-21T23:59:59.000Z

    This work reveals that 0.5?mol. % manganese (Mn) doping in (Bi{sub 0.5}Na{sub 0.5}){sub 1?x}Ba{sub x}TiO{sub 3} (x?=?0 and 0.075) solid solutions can increase structural thermal stability, depolarization temperature (T{sub d}), piezoelectric coefficient (d{sub 33}), and electromechanical coupling factor (k{sub t}). High-resolution X-ray diffraction and transmission electron microscopy reveal coexistence of rhombohedral (R) R3c and tetragonal (T) P4bm phases in (Bi{sub 0.5}Na{sub 0.5}){sub 0.925}Ba{sub 0.075}TiO{sub 3} (BN7.5BT) and 0.5?mol. % Mn-doped BN7.5BT (BN7.5BT-0.5Mn). (Bi{sub 0.5}Na{sub 0.5})TiO{sub 3} (BNT) and BN7.5BT show an R???R?+?T phase transition, which does not occur in 0.5?mol. % Mn-doped BNT (BNT-0.5Mn) and BN7.5BT-0.5Mn. Dielectric permittivity (??) follows the Curie-Weiss equation, ???=?C/(T???T{sub o}), above the Burns temperature (T{sub B}), below which polar nanoregions begin to develop. The direct piezoelectric coefficient (d{sub 33}) and electromechanical coupling factor (k{sub t}) of BN7.5BT-0.5Mn reach 190 pC/N and 47%.

  11. Texas Nuclear Profile - South Texas Project

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

    South Texas Project" "Unit","Summer capacity (mw)","Net generation (thousand mwh)","Summer capacity factor (percent)","Type","Commercial operation date","License expiration date"...

  12. Fractionation of NaCl, MgCl2, and CaCl2 brines with a polyfunctional ion exchange resin

    E-Print Network [OSTI]

    Baker, Albert Byre

    1959-01-01T23:59:59.000Z

    softening, demineralizat1on, or sim1lar processes in which the objective is to remove undesirable 1ons. Ion exchange as a separation technique, that 1s, the recovery of two or more 1ons, has become 1ncreas1ngly important. Mayer and Tompk1ns (12.... Phys. 20, 1657 (1952). 11. McIlhenny, W. F. , M. S. Thesis, Texas A. and M. College (1958). 12 . Mayer, S. W. , Tompkins, E. R. , J. Am. Chem. Soc . 69, 2866 ( 1947) 1$. Nachod, F. C. , Schubert, J. , Ion Exchange Technolo Academic Press, N ew York...

  13. Decay Properties of {sup 266}Bh and {sup 262}Db Produced in the {sup 248}Cm+{sup 23}Na Reaction - Further Confirmation of the {sup 278}113 Decay Chain

    SciTech Connect (OSTI)

    Morita, K.; Morimoto, K.; Kaji, D.; Haba, H.; Ozeki, K.; Kudou, Y.; Yoneda, A.; Ichikawa, T.; Katori, K.; Yoshida, A. [RIKEN Nishina Center, RIKEN, Wako, Saitama 351-0198 (Japan); Sato, N. [RIKEN Nishina Center, RIKEN, Wako, Saitama 351-0198 (Japan); Department of Physics, Tohoku University, Aoba-ku, Sendai 980-8578 (Japan); Sumita, T. [RIKEN Nishina Center, RIKEN, Wako, Saitama 351-0198 (Japan); Faculty of Science and Technology, Tokyo University of Science, Noda, Chiba 278-8510 (Japan); Fujimori, Y.; Tokanai, F. [Department of Physics, Yamagata University, Yamagata 990-8560 (Japan); Goto, S. [Center for Instrumental Analysis, Niigata University, Ikarashi, Nishi-ku, Niigata 950-2181 (Japan); Ideguchi, E. [Center for Nuclear Study, University of Tokyo, Wako, Saitama 351-0198 (Japan); Kasamatsu, Y.; Koura, H.; Tsukada, K. [Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195 (Japan); Komori, Y. [Department of Chemistry, Osaka University, Toyonaka, Osaka 560-0043 (Japan)

    2010-06-01T23:59:59.000Z

    Decay properties of an isotope {sup 266}Bh and its daughter nucleus {sup 262}Db produced by the {sup 248}Cm({sup 23}Na,5n) reaction were studied by using a gas-filled recoil separator coupled with a position-sensitive semiconductor detector. {sup 266}Bh was clearly identified from the correlation of the known nuclide, {sup 262}Db. The obtained decay properties of {sup 266}Bh and {sup 262}Db are consistent with those observed in the {sup 278}113 chain by RIKEN collaboration, which provided further confirmation of the discovery of {sup 278}113.

  14. Structure-function relationships in the Na,K-ATPase. cap alpha. subunit: site-directed mutagenesis of glutamine-111 to arginine and asparagine-122 to aspartic acid generates a ouabain-resistant enzyme

    SciTech Connect (OSTI)

    Price, E.M.; Lingrel, J.B.

    1988-11-01T23:59:59.000Z

    Na,K-ATPases from various species differ greatly in their sensitivity to cardiac glycosides such as ouabain. The sheep and human enzymes are a thousand times more sensitive than the corresponding ones from rat and mouse. To define the region of the ..cap alpha..1 subunit responsible for this differential sensitivity, chimeric cDNAs of sheep and rat were constructed and expressed in ouabain-sensitive HeLa cells. The construct containing the amino-terminal half of the rat ..cap alpha..1 subunit coding region and carboxyl-terminal half of the sheep conferred the ouabain-resistant phenotype to HeLa cells while the reverse construct did not. This indicates that the determinants involved in ouabain sensitivity are located in the amino-terminal half of the Na,K-ATPase ..cap alpha.. subunit. By use of site-directed mutagenesis, the amino acid sequence of the first extracellular domain (H1-H2) of the sheep ..cap alpha..1 subunit was changed to that of the rat. When expressed in HeLa cells, this mutated sheep ..cap alpha..1 construct, like the rat/sheep chimera, was able to confer ouabain resistance to these cells. Furthermore, similar results were observed when HeLa cells were transfected with a sheep ..cap alpha..1 cDNA containing only two amino acid substitutions. The resistant cells, whether transfected with the rat ..cap alpha..1 cDNA, the rat/sheep chimera, or the mutant sheep ..cap alpha..1 cDNAs, exhibited identical biochemical characteristics including ouabain-inhibitable cell growth, /sup 86/Rb/sup +/ uptake, and Na,K-ATPase activity. These results demonstrate that the presence of arginine and aspartic acid on the amino end and carboxyl end, respectively, of the H1-H2 extracellular domain of the Na,K-ATPase ..cap alpha.. subunit together is responsible for the ouabain-resistant character of the rat enzyme and the corresponding residues in the sheep ..cap alpha..1 subunit (glutamine and asparagine) are somehow involved in ouabain binding.

  15. Texas Plant Diseases Handbook.

    E-Print Network [OSTI]

    Horne, C. Wendell; Amador, Jose M.; Johnson, Jerral D.; McCoy, Norman L.; Philley, George L.; Lee, Thomas A. Jr.; Kaufman, Harold W.; Jones, Roger K.; Barnes, Larry W.; Black, Mark C.

    1988-01-01T23:59:59.000Z

    of the lesion turns brown. With age, 1 es ions en 1 arge and coa 1 esce. The ent i re 1 eaf fi na 11 y drops. Stem lesions appear as long, reddish colored spots. When the plant begins to set fruit, lesions are formed at the nodes \\'Jhich girdle the stem... gi v i ng the 1 eaf a "shot-ho 1 e" appearance, simi 1 ar to those caused by anthracnose. Spots on fruit are usua lly sma 11 er and circul ar in shape. Bacteria overwinter in crop residue and on seed. Hard rains splash the bacteria to stems...

  16. Fertilizing Texas Patures.

    E-Print Network [OSTI]

    Trew, E. M.; Bennett, W. F.

    1960-01-01T23:59:59.000Z

    pounds of N, 45 pounds of P,05 and 165 pounds of K20. These quantities of plant nutrients would not necessarily all have to be added in the form of fertilizer, for some would become available through natural processes of decom- position of organic... Fertilizing Texas Pastures 1- TEXAS AGRICULTURAL EXTENSION&ERVICE J. E. HUTCHISON. DIRECTOR, COLLEGE STATION, TEXAS [Blank Page in Original Bulletin] Fertilizing Texas Pastures E. M. TREW, Extension Pasture Specialist W. F. BENNETT, Extension...

  17. Castor Beans in Texas.

    E-Print Network [OSTI]

    Bringham, Raymond D.; Spears, Ben R.

    1960-01-01T23:59:59.000Z

    ................................................................................. 3 Uses of Castorbeans .......................................................... 5 Adaptation ............................................................................ 5 Varieties for Texas... .................................................................... 5 ...................................................................... Cultural Practices 6 .......................................................... Seedbed Preparation 6...

  18. Texas Electricity Update

    E-Print Network [OSTI]

    Lloyd, B.

    2012-01-01T23:59:59.000Z

    Texas Electricity Update CATEE 2012 Galveston, Texas Brian Lloyd Executive Director Public Utility Commission of Texas October 10, 2012 1 2 Drought Summary May Reserve Margin Report 3 Demand Growth by Region 4 105? Normal... 917 Firm Load Forecast, MW 65,649 68,403 71,692 73,957 75,360 76,483 CATEE 2012 Questions? Brian H. Lloyd Executive Director Public Utility Commission of Texas 512-936-7040 14 ...

  19. PACE in Texas 101

    E-Print Network [OSTI]

    Stone,R.

    2014-01-01T23:59:59.000Z

    to be available in many Texas regions in 2015. What is PACE… and is there PACE in Texas? ESL-KT-14-11-35 CATEE 2014: Clean Air Through Efficiency Conference, Dallas, Texas Nov. 18-20 PACE tackles key barriers Source: Institute for Building Efficiency ESL-KT-14...

  20. Main Canal, Maverick County Water Control and Improvement District above Central Power and Light hydro-electric plant, at Maverick and Kinney Counties, Texas

    E-Print Network [OSTI]

    Ledbetter, John J

    2012-06-07T23:59:59.000Z

    BAIN CANAL NA~ICK COUNTY WATW CONTROL AND INPROllZXBZ DISTRICT ABOVE C~ POWER AND LION HYDRO ELECTRIC PLANT& AT, SIAVERICK AND KINNEY COUNT'S, T~~S By John J. Ledbetter, Jr. Approved as to style and content by: (Che man Committee Heed of pa... ment or Student Advisor May l952 MAIN CANAL RIA~ICK C01E1TY EATER CONTROL AND INPROVZGiWZ DISTRICT ABOVE G~ F01' AND LIGHT HYDRO-ELECTRIC PLANT, AT MAVERICK AND KINNEY GGKJZIES ~ TEXAS By John J. Ledbetter, Jr, A Thesis Submitted...

  1. Ternary mutual diffusion coefficients of NaCl-SrCl/sub 2/-H/sub 2/O at 25/sup 0/C. 1. Total concentrations of 0. 5 and 1. 0 mol. dm/sup -3/

    SciTech Connect (OSTI)

    Rard, J.A.; Miller, D.G.

    1987-08-13T23:59:59.000Z

    Mutual diffusion coefficients have been measured for aqueous NaCl-SrCl/sub 2/ mixtures at 25/sup 0/C by using free-diffusion Rayleigh interferometry. These diffusion experiments were done at total molarities of 0.5 and 1.0 mol x dm/sup -3/ and with molarity fractions of 1/3, 1/2, and 2/3. Main-term diffusion coefficients for NaCl and SrCl/sub 2/ show a 10-15% variation with concentration and composition. Coupled diffusion is important for these systems, with cross-term diffusion coefficients being 6.5-36% as large as their corresponding main terms. At a constant molarity ratio, doubling the concentration causes cross-term diffusion coefficients to increase. Attempts to estimate the ternary solution diffusion coefficients from those of their corresponding binary solutions or from the ternary solution analogues of the Nernst-Hartley equation do not yield particularly accurate results.

  2. Synthesis and single-crystal X-ray diffraction studies of new framework substituted type II clathrates, Cs{sub 8}Na{sub 16}Ag{sub x}Ge{sub 136-x} (x<7)

    SciTech Connect (OSTI)

    Beekman, M. [Department of Physics, University of South Florida, 4202 East Fowler Ave., PHY 114, Tampa, FL 33620 (United States); Wong-Ng, W. [Materials Science and Engineering Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899 (United States); Kaduk, J.A. [INEOS Technologies, Naperville, IL 60566 (United States); Shapiro, A. [Materials Science and Engineering Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899 (United States); Nolas, G.S. [Department of Physics, University of South Florida, 4202 East Fowler Ave., PHY 114, Tampa, FL 33620 (United States)], E-mail: gnolas@cas.usf.edu

    2007-03-15T23:59:59.000Z

    New inorganic type II clathrates with Ag atoms substituting for framework Ge atoms, Cs{sub 8}Na{sub 16}Ag{sub x}Ge{sub 136-x} (x=0, 5.9, and 6.7), have been synthesized by reaction of the pure elements at high temperature. Structural refinements have been performed using single crystal X-ray diffraction. The materials crystallize with the cubic type II clathrate crystal structure (space group Fd3-barm) with a=15.49262(9)A, 15.51605(6)A, and 15.51618(9) for x=0, 5.9, and 6.7, respectively, and Z=1. The structure is formed by a covalently bonded Ag-Ge framework, in which the Cs and Na atoms are found inside two types of polyhedral cages. Ag substitutes for Ge in the tetrahedrally bonded framework positions, and was found to preferentially occupy the most asymmetric 96g site. The proven ability to substitute atoms for the germanium framework should offer a route to the synthesis of new compositions of type II clathrates, materials that are of interest for potential thermoelectrics applications.

  3. Magnetic and magnetocaloric properties of La{sub 0.85}(Na{sub 1?x}K{sub x}){sub 0.15}MnO{sub 3} ceramics produced by reactive spark plasma sintering

    SciTech Connect (OSTI)

    Regaieg, Y., E-mail: yassine.regaieg@yahoo.fr [ITODYS, Université Paris Diderot, PRES Sorbonne Paris Cité, CNRS-UMR 7086, 75205 Paris (France); LPM, Faculté des Sciences de Sfax, Université de Sfax, 3000 Sfax (Tunisia); Sicard, L.; Ammar-Merah, S. [ITODYS, Université Paris Diderot, PRES Sorbonne Paris Cité, CNRS-UMR 7086, 75205 Paris (France); Monnier, J. [ICMPE, Université Paris-Est, CNRS UMR-7182, 94320 Thiais (France); Koubaa, M.; Cheikhrouhou, A. [LPM, Faculté des Sciences de Sfax, Université de Sfax, 3000 Sfax (Tunisia)

    2014-05-07T23:59:59.000Z

    La{sub 0.85}(Na{sub 1?x}K{sub x}){sub 0.15}MnO{sub 3} (0???x???1) ceramics were synthesized from the raw La(OH){sub 3}, NaOH, KOH, and MnO{sub 2} powders using Reactive Spark Plasma Sintering. All the compounds were obtained as pure, dense, and ultrafine grained pellets. The Rietveld refinement of the X-Ray powder diffraction shows that all our synthesized samples are single phase and crystallize in the distorted rhombohedral system with R-3c space group. The thermal variation of their magnetization under a magnetic applied field of 50?mT shows a paramagnetic to ferromagnetic transition at a Curie temperature very close to room temperature. The magnetic entropy change, deduced from magnetization measurements versus magnetic applied field up to 5?T at several temperatures exhibits a maximum |?S{sub M}|{sub max} which slightly increases with increasing K content. The relative cooling power values, inferred from the |?S{sub M}| vs T peak broadening, vary slightly with the potassium content, reaching, values between 316 and 289?Jkg{sup ?1}, in an applied magnetic field of 5?T, when x increases from 0 to 1. Technically, these large values make the prepared materials very promising for domestic magnetic refrigeration.

  4. Corn Hybrids for Texas.

    E-Print Network [OSTI]

    Rogers, J. S.; McAfee, T. E.

    1954-01-01T23:59:59.000Z

    Stephenville ,J* 5.K'rbyvilb I0.Cbrkdb 15.Tanpk 2ODetiion 25.Wllothe TEXAS AGRICULTURAL EXPERIMENT STATION R. D. LEWIS. DIRECTOR, COLLEGE STATION, TEXAS DIGEST The Texas corn acreage planted to hybrids increased from less than 1 percent of the total acrea....1 in 1941 to 74.5 percent in 1953. Most of the present acreage is devoted to the newer, better-adaptt hybrids-Texas 26, 28 and 30. These new hybrids usually outyield the older Texas hybrids h!. least 10 percent. Corn is one of the most important...

  5. Texas Stream Team: Ambassadors for Texas water quality

    E-Print Network [OSTI]

    Wythe, Kathy

    2010-01-01T23:59:59.000Z

    tx H2O | pg. 23 Story by Kathy Wythe Ambassadors for Texas water Roger Miranda of Texas Commission on Environmental Quality volunteers as a certified trainer for Texas Stream Team. Photo by Robert Sams, Texas Stream Team Texas stream... team continued tx H2O | pg. 24 An African proverb says it takes a village to raise a child. However, the Texas Stream Team would say it takes a group of citizens to monitor Texas waters. The Texas Stream Team, formerly Texas Watch, is based...

  6. Vision North Texas

    E-Print Network [OSTI]

    Walz, K.

    2011-01-01T23:59:59.000Z

    , 2011 ? ? FW D 16 County Region for Vision North Texas 5.3M people in 2000; 6.5M in 2010; 9.5M in 2030; 11.7M in 2050 ESL-KT-11-11-18 CATEE 2011, Dallas, Texas, Nov. 7 ? 9, 2011 ESL-KT-11-11-18 CATEE 2011, Dallas, Texas, Nov. 7 ? 9, 2011 ESL-KT-11..., Dallas, Texas, Nov. 7 ? 9, 2011 ESL-KT-11-11-18 CATEE 2011, Dallas, Texas, Nov. 7 ? 9, 2011 ESL-KT-11-11-18 CATEE 2011, Dallas, Texas, Nov. 7 ? 9, 2011 2030 ?Business as usual? households/acre ESL-KT-11-11-18 CATEE 2011, Dallas, Texas, Nov. 7 ? 9, 2011...

  7. Precision measurements of binary and multicomponent diffusion coefficients in protein solutions relevant to crystal growth: Lysozyme chloride in water and aqueous NaCl at pH 4.5 and 25{degree}C

    SciTech Connect (OSTI)

    Albright, J.G.; Annunziata, O. [Texas Christian Univ., Fort Worth, TX (United States). Chemistry Dept.] [Texas Christian Univ., Fort Worth, TX (United States). Chemistry Dept.; Miller, D.G. [Texas Christian Univ., Fort Worth, TX (United States). Chemistry Dept.] [Texas Christian Univ., Fort Worth, TX (United States). Chemistry Dept.; [Lawrence Livermore National Lab., CA (United States); Paduano, L. [Texas Christian Univ., Fort Worth, TX (United States). Chemistry Dept.] [Texas Christian Univ., Fort Worth, TX (United States). Chemistry Dept.; [Univ. di Napoli, Naples (Italy). Dipt. di Chimica; Pearlstein, A.J. [Univ. of Illinois, Urbana, IL (United States). Dept. of Mechanical and Industrial Engineering] [Univ. of Illinois, Urbana, IL (United States). Dept. of Mechanical and Industrial Engineering

    1999-04-14T23:59:59.000Z

    Accurate models of protein diffusion are important in a number of applications, including liquid-liquid phase separation and growth of protein crystals for X-ray diffraction studies. In concentrated multicomponent protein systems, significant deviations from pseudobinary behavior can be expected. Rayleigh interferometry is used to measure the four elements (D{sub if}){sub v} of the ternary diffusion coefficient matrix for the extensively investigated protein, hen egg-white lysozyme (component 1) in aqueous NaCl (component 2) at pH 4.5 and 25 C. These are the first multicomponent diffusion coefficients measured for any protein system at concentrations high enough to be relevant to modeling and prediction of crystal growth or other phase transitions, and the first for a system involving lysozyme at any concentration. The four ternary diffusion coefficients for the system lysozyme chloride/NaCl/water are reported for lysozyme chloride at 0.60 mM (8.6 mg/mL) and NaCl at concentrations of 0.25, 0.50, 0.65, 0.90, and 1.30 M (1.4, 2.8, 3.7, 5.1, and 7.2 wt %), with the latter two compositions being supersaturated. One cross-term, (D{sub 21}){sub v}, is 80--259 times larger than the main term (D{sub 11}){sub v} and 7--18 times larger than (D{sub 22}){sub v}. Standard interferometric diagnostic tests indicate that aggregation is unimportant in the experiments. The authors also present binary diffusion coefficients D{sub v} for lysozyme chloride/water at concentrations from 0.43 to 3.08 mM (6.2--44.1 mg/mL), at the same pH and temperature. The precision of the results is about 0.1% for the binary diffusion coefficients and diagonal ternary diffusion coefficients, and about 1--2% for the cross-terms. For the ternary systems investigated, they show that a single pseudobinary diffusion coefficient does not accurately describe diffusive transport, and predictions by simple models such as the Nernst-Hartley equations are inaccurate at the higher concentrations considered here. Finally, dynamic light-scattering diffusion coefficients, differing form both the interferometrically measured (D{sub ij}){sub v} and a theoretical prediction of light-scattering diffusion coefficients in multicomponent systems, are reported for the same solutions used for the ternary experiments at 1.30 M.

  8. On the crystal energy and structure of A{sub 2}Ti{sub n}O{sub 2n+1} (A=Li, Na, K) titanates by DFT calculations and neutron diffraction

    SciTech Connect (OSTI)

    Catti, Michele, E-mail: catti@mater.unimib.it [Dipartimento di Scienza dei Materiali, Università di Milano Bicocca, Via Cozzi 53, 20125 Milano (Italy); Pinus, Ilya [Dipartimento di Scienza dei Materiali, Università di Milano Bicocca, Via Cozzi 53, 20125 Milano (Italy); Scherillo, Antonella [ISIS Facility, CCLRC Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX (United Kingdom)

    2013-09-15T23:59:59.000Z

    First-principles quantum-mechanical calculations (CRYSTAL09 code, B3LYP functional) were performed on alkali titanates A{sub 2}Ti{sub n}O{sub 2n+1} with layered structure (n=3,4,6). Monoclinic structural types with unshifted (P2{sub 1}/m) and with shifted (C2/m) layers were considered. Crystal energies and full structural details were obtained for all Li, Na, and K phases. Neutron diffraction data were collected on powder samples of P2{sub 1}/m-Li{sub 2}Ti{sub 3}O{sub 7} (a=9.3146(3), b=3.7522(1), c=7.5447(3) Å, ?=97.611(4)°) and C2/m-K{sub 2}Ti{sub 4}O{sub 9} (a=18.2578(8), b=3.79160(9), c=12.0242(4) Å, ?=106.459(4)°) and their structures were Rietveld-refined. Computed energies show the P2{sub 1}/m arrangement as favoured over the C2/m one for n=3, and the opposite holds for n=6. In the n=4 case the P2{sub 1}/m configuration is predicted to be more stable for Li and Na, and the C2/m one for K titanates. Analysis of Li–O and K–O crystal-chemical environments from experiment and theory shows that the alkali atom bonding is stabilized/destabilized in the different phases consistently with the energy trend. - Graphical abstract: Display Omitted - Highlights: • The P2{sub 1}/m structure-type is found to be more stable for A{sub 2}Ti{sub 3}O{sub 7} layer titanates. • The C2/m structure-type is found to be more stable for A{sub 2}Ti{sub 6}O{sub 13} layer titanates. • Tetratitanates are predicted to prefer the P2{sub 1}/m (Li and Na) or C2/m (K) structure. • Li–O and K–O bond distances follow a trend consistent with computed phase energies.

  9. The University of Texas at Austin Austin, Texas, USA

    E-Print Network [OSTI]

    Hopkins, Gail

    Trail, Texas State Capitol, Downtown Texas, Barton Springs Pool, Hamilton Pool (a swimming hole with its hall or dormitory, a private dormitory, cooperative house or university apartment. Students

  10. Hessian Fly in Texas Wheat

    E-Print Network [OSTI]

    Morgan, Gaylon; Sansone, Chris; Knutson, Allen E.

    2005-07-01T23:59:59.000Z

    Gaylon Morgan, State Extension Small Grains Specialist Chris Sansone, Extension Entomologist Allen Knutson, Extension Entomologist Texas Cooperative Extension The Texas A&M University System H essian Fly In Texas Wheat E-350 07/05 The Hessian fly...

  11. Flax in Texas.

    E-Print Network [OSTI]

    Atkins, Irvin Milburn

    1980-01-01T23:59:59.000Z

    grown at both Jamestown, Virginia, and Plymouth Rock, Massachusetts. The Commonwealth of Virginia offered a bounty for the production of fiber flax in 1658, and England offered special inducements to the colonists to produce flax fiber for the mother... Agricultural agent at Victoria, Texas to P. C. Mangelsdorf, Texas Agngncultural Experiment Station, College Station, Texas. 5 Experiment Substation No. 3 at Troup. Eight 16-foot rows were seeded every 2 weeks from November through March 1. Yields of 7...

  12. Purchasing in Texas Counties.

    E-Print Network [OSTI]

    Hervey, E. J.; Bradshaw, H. C.

    1944-01-01T23:59:59.000Z

    from every standpoint. As long as it continues, the purchasing power of the county dollar is sub- stantially reduced, for each company and individual must discount the county's warrants. In these counties, the necessity of developing and maintaining...8 r3' L \\, & #5, CnLpL"; 3' --%I k? TEXAS AGRICULTURAL EXPERIMENT STATION A. B. CONNER, Director College Station, Texas BULLETIN NO. 653 JULY 1944 PURCHASING IN TEXAS COUNTIES H. C. BRADSEAW and E. J, HERVEY Division of Farm and Ranch...

  13. Gas Production Tax (Texas)

    Broader source: Energy.gov [DOE]

    A tax of 7.5 percent of the market value of natural gas produced in the state of Texas is imposed on every producer of gas.

  14. Growing Oats in Texas.

    E-Print Network [OSTI]

    Atkins; I. M.; McDaniel, M. E.; Gardenhire, J. H.

    1969-01-01T23:59:59.000Z

    developing Year T';iri~ty or releasing released Pedigree Texas Texas Louisiana Arkansas Texas Oklahoma Texas Fulghum-Victoria x Victoria-Hajira-Banner Selectior. from in-adiated Alamo Introduced from Argentina Tennessee 1922 x Bond-Iogold Fulwin... x Lee-Victoria Woodward Oat Composite, C.I.3527 selection [Santa Fe-Clinton x Hajira-Joanette] x [New Nortex- Landhafer) x (Black Mesdag x ab 101)] do. Clinton x Forkedeer Florad x Coker 58-7, C.I.7403 Selection from Winter Type Fulghum...

  15. Municipal Utility Districts (Texas)

    Broader source: Energy.gov [DOE]

    Municipal Utility Districts, regulated by the Texas Commission on Environmental Quality, may be created for the following purposes: (1) the control, storage, preservation, and distribution of its...

  16. Determination of crystallographic orientation of lead-free piezoelectric (K,Na)NbO{sub 3} epitaxial thin films grown on SrTiO{sub 3} (100) surfaces

    SciTech Connect (OSTI)

    Yu, Qi; Zhu, Fang-Yuan; Cheng, Li-Qian; Wang, Ke; Li, Jing-Feng, E-mail: jingfeng@mail.tsinghua.edu.cn [State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, 100084 Beijing (China)] [State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, 100084 Beijing (China)

    2014-03-10T23:59:59.000Z

    Crystallographic structure of sol-gel-processed lead-free (K,Na)NbO{sub 3} (KNN) epitaxial films on [100]-cut SrTiO{sub 3} single-crystalline substrates was investigated for a deeper understanding of its piezoelectric response. Lattice parameter measurement by high-resolution X-ray diffraction and transmission electron microscopy revealed that the orthorhombic KNN films on SrTiO{sub 3} (100) surfaces are [010] oriented (b-axis-oriented) rather than commonly identified c-axis orientation. Based on the crystallographic orientation and corresponding ferroelectric domain structure investigated by piezoresponse force microscopy, the superior piezoelectric property along b-axis of epitaxial KNN films than other orientations can be explained.

  17. The electronic properties and lattice dynamics of (Na{sub 0.5}Bi{sub 0.5})TiO{sub 3}: From cubic to tetragonal and rhombohedral phases

    SciTech Connect (OSTI)

    Lü, Hongfeng [Department of Applied Physics, College of Science, China Agricultural University, Beijing 100083 (China); Wang, Shanying [Department of Physics, Tsinghua University, Beijing 100084 (China); Wang, Xiaosu, E-mail: xiaosuwang@cau.edu.cn [Department of Applied Physics, College of Science, China Agricultural University, Beijing 100083 (China); Department of Physics, Tsinghua University, Beijing 100084 (China)

    2014-03-28T23:59:59.000Z

    The structural, electronic and dynamical properties of the cubic, tetragonal and rhombohedral phases of a lead-free ferroelectrics, (Na{sub 0.5}Bi{sub 0.5})TiO{sub 3} (NBT), have been studied with a density functional formalism. The direct band gap is determined to be 2?3?eV for three phases, suggesting them to be good optical material. The equilibrium structures were given, and the importance of Bi atom in the low-symmetry ferroelectric phases were investigated with the electron localization functions analysis. The vibration modes at the ? point were calculated to provide a basis for analyzing the Raman and IR spectra. Soft modes were found in both the cubic and the tetragonal phases, providing a clue in understanding the ferroelectric phase transition in NBT.

  18. Aging in the relaxor and ferroelectric state of Fe-doped (1-x)(Bi{sub 1/2}Na{sub 1/2})TiO{sub 3}-xBaTiO{sub 3} piezoelectric ceramics

    SciTech Connect (OSTI)

    Sapper, Eva; Dittmer, Robert; Rödel, Jürgen [Materials Science Department, Technische Universität Darmstadt, 64287 Darmstadt (Germany); Damjanovic, Dragan [Ceramics Laboratory, École Polytechnique Fédérale de Lausanne, Lausanne 1015 (Switzerland); Erdem, Emre [Institute of Physical Chemistry I, Universität Freiburg, 79104 Freiburg (Germany); Keeble, David J. [Division of Electronic Engineering and Physics, University of Dundee, Dundee DD1 4HN (United Kingdom); Jo, Wook [School of Materials Science and Engineering, Ulsan National Institute of Science and Technology, Ulsan 689-798 (Korea, Republic of); Granzow, Torsten [Centre de Recherche Public—Gabriel Lippmann, L-4422 Belvaux (Luxembourg)

    2014-09-14T23:59:59.000Z

    Aging of piezoelectric properties was investigated in lead-free (1???x)(Bi{sub 1/2}Na{sub 1/2})TiO{sub 3}-xBaTiO{sub 3} doped with 1at.?% Fe. The relaxor character of the un-poled material prevents macroscopic aging effects, while in the field-induced ferroelectric phase aging phenomena are similar to those found in lead zirconate titanate or barium titanate. Most prominent aging effects are the development of an internal bias field and the decrease of switchable polarization. These effects are temperature activated, and can be explained in the framework of defect complex reorientation. This picture is further supported by electron paramagnetic resonance spectra indicating the existence of (Fe{sub Ti}{sup ?}?V{sub O}{sup ••}){sup •} defect complexes in the Fe-doped material.

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

    SciTech Connect (OSTI)

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

    2014-08-14T23:59:59.000Z

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

  20. Direct evidence of a zigzag spin-chain structure in the honeycomb lattice: A neutron and x-ray diffraction investigation of single-crystal Na2IrO3

    SciTech Connect (OSTI)

    Ye, Feng [ORNL; Chi, Songxue [ORNL; Cao, Huibo [ORNL; Chakoumakos, Bryan C [ORNL; Fernandez-Baca, Jaime A [ORNL; Custelcean, Radu [ORNL; Qi, Tongfei [University of Kentucky; Korneta, O. B. [University of Kentucky, Lexington; Cao, Gang [University of Kentucky

    2012-01-01T23:59:59.000Z

    We have combined single crystal neutron and x-ray diffractions to investigate the magnetic and crystal structures of the honeycomb lattice $\\rm Na_2IrO_3$. The system orders magnetically below $18.1(2)$~K with Ir$^{4+}$ ions forming zigzag spin chains within the layered honeycomb network with ordered moment of $\\rm 0.22(1)~\\mu_B$/Ir site. Such a configuration sharply contrasts the N{\\'{e}}el or stripe states proposed in the Kitaev-Heisenberg model. The structure refinement reveals that the Ir atoms form nearly ideal 2D honeycomb lattice while the $\\rm IrO_6$ octahedra experience a trigonal distortion that is critical to the ground state. The results of this study provide much-needed experimental insights into the magnetic and crystal structure crucial to the understanding of the exotic magnetic order and possible topological characteristics in the 5$d$-electron based honeycomb lattice.

  1. Mn concentration dependent structural and optical properties of a-plane Zn{sub 0.99-x}Mn{sub x}Na{sub 0.01}O

    SciTech Connect (OSTI)

    Lu, B., E-mail: binlu@zju.edu.cn; Zhou, T. T.; Ma, M. J.; Ye, Y. H.; Ye, Z. Z.; Lu, J. G.; Pan, X. H. [State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027 (China)

    2013-12-14T23:59:59.000Z

    Non-polar a-plane (112{sup ¯}0) Zn{sub 0.99?x}Mn{sub x}Na{sub 0.01}O (x?=?0, 0.02, 0.03, 0.04, and 0.05) thin films have been prepared on r-plane (112{sup ¯}0) sapphire substrates by pulsed laser deposition (PLD). The influences of Mn content on the structural and optical properties of the films have been studied. It is indicated that moderate Mn doping facilitates the non-polar growth of ZnO, and all the doped films are single phase with a hexagonal wurtzite structure. The transmittance spectra suggested that all films are transparent in the visible region exhibiting a transmittance above 80%. Mn{sup 2+} doped Zn{sub 0.99}Na{sub 0.01}O shows an initial decrease of optical band gap (OBG) for small concentration of Mn, followed by a monotonic increase. The anomalous decrease in OBG for low concentrations of Mn is attributed to the strong exchange interaction present between the sp electrons of the host matrix and d electrons of Mn. Emission studies were also performed showing suppressed blue-shifted ultraviolet band and dominant violet-blue bands, which might originate from the zinc vacancy (V{sub Zn}) and zinc interstitial (Zn{sub i}) defects. The intensity of defect-related emission peaks is Mn doping-level-dependent as well and the results coincide well with that from the structural analyses.

  2. Rainwater Harvesting in Texas

    E-Print Network [OSTI]

    Kniffen, Billy

    2008-07-14T23:59:59.000Z

    As the population of Texas grows, so does the state's need for water. Rainwater harvesting is one way to keep up with the demand. Rainwater Harvesting in Texas gives residents information on how to collect rainwater for their own uses. 1 photo, 1...

  3. Forests and The Texas Economy.

    E-Print Network [OSTI]

    Laughlin, Jay O'; Williams, Richard A.

    1988-01-01T23:59:59.000Z

    I UUL; Z TA24S.7 8873 NO.1S96 (Blank Page In -O~-.BilUetiBJ ' t '. ,-. "0: . : ?. FORESTS AND THE TEXAS ECONOMY by Jay O'Laughlin i\\ssociate Professor Texas i\\gricultural Experiment Station (Department of Forest Science) Texas i...\\&M University and Richard A. Williams Graduate Research i\\ssistant Texas i\\gricultural Experiment Station (Department of Forest Science) Texas i\\&M University The assistance and support of the Texas Forestry Association and the Texas Forest Service...

  4. Fertilizers for Rice in Texas.

    E-Print Network [OSTI]

    Reynolds, E. B. (Elbert Brunner); Wyche, R. H. (Robert Henry)

    1929-01-01T23:59:59.000Z

    LIBRARY, CAMPUS. TEXAS AGRICULTURAL EXPERIMENT STATION 1 BULLETIN NO. 398 , DIVISION OF AGRONOMY FERTILIZERS FOR RICE IN TEXAS GRICULTURAL AND MECHANICAL COLLEGE OF TEXAS T. 0. \\\\TALTON, President STATION DMINISTRATION: A. B. CONNER, M. S... of Agriculture. ***Tm n,,nn-n+;,n "4th thm Cphnnl nf Aon~l~lt~lrp Experiments with fertilizers on rice at Substation No. 4, Texas Agricultural Experiment Station, Beaumont, Texas, show that the soils responded to nitrogen and phosphoric acid, but nitrogen...

  5. Corn Hybrids for Texas.

    E-Print Network [OSTI]

    Rogers, J. S.; Bockholt, A. J.; Collier, J. W.

    1957-01-01T23:59:59.000Z

    - Corn Hybrid$ for . ;mE Tgmt 4.College Sta. 9Sulphw Spgr. @.Holland l9.GreenviUe 24Stephmville 5.Kibyvilb IO.(;brkrvilb B.Tanpb 20Mm 25.Chilkothe TEXAS AGRICULTURAL EXPERIMENT STATIC R. D. LEWIS. DIRECTOR, COLLEGE STATION, TEXAS DIGEST... of the production has been entering com- mercial channels. About 2.5 percent of the total Texas corn acreage is harvested as silage and about 1 percent of the annual corn crop is used for human consum~tion. .- -. of improved corn hybrids. More favora-ble grow...

  6. The H{sub 1}–H{sub 2} domain of the ?{sub 1} isoform of Na{sup +}–K{sup +}–ATPase is involved in ouabain toxicity in rat ventricular myocytes

    SciTech Connect (OSTI)

    Xiong, Chen; Li, Jun-xia; Guo, Hui-cai; Zhang, Li-nan; Guo, Wei; Meng, Jing; Wang, Yong-li, E-mail: wangyongli@gmail.com

    2012-07-01T23:59:59.000Z

    The composition of different isoforms of Na{sup +}-K{sup +}-ATPase (NKA, Na/K pump) in ventricular myocytes is an important factor in determining the therapeutic effect and toxicity of cardiac glycosides (CGs) on heart failure. The mechanism whereby CGs cause these effects is still not completely clear. In the present study, we prepared two site-specific antibodies (SSA78 and WJS) against the H{sub 1}–H{sub 2} domain of ?{sub 1} and ?{sub 2} isoforms of NKA in rat heart, respectively, and compared their influences on the effect of ouabain (OUA) in isolated rat ventricular myocytes. SSA78 or WJS, which can specifically bind with the ?{sub 1} or ?{sub 2} isoform, were assessed with enzyme linked immunosorbent assay (ELISA), Western blot and immunofluorescent staining methods. Preincubation of myocytes with SSA78 inhibited low OUA affinity pump current but not high OUA affinity pump current, reduced the rise in cytosolic calcium concentration ([Ca{sup 2+}]{sub i}), attenuated mitochondrial Ca{sup 2+} overload, restored mitochondrial membrane potential reduction, and delayed the decrease of the myocardial contractile force as well as the occurrence of arrhythmic contraction induced by high concentrations (1 mM) but not low concentrations (1 ?M) of OUA. Similarly, preincubation of myocytes with WJS inhibited high OUA affinity pump current, reduced the increase of [Ca{sup 2+}]{sub i} and the contractility induced by 1 ?M but not that induced by 1 mM OUA. These results indicate that the H{sub 1}–H{sub 2} domain of the NKA ?{sub 1} isoform mediates OUA-induced cardiac toxicity in rat ventricular myocytes, and inhibitors for this binding site may be used as an adjunct to CGs treatment for cardiovascular disease. -- Highlights: ? We prepared two antibodies against the H{sub 1}-H{sub 2} domain of ?{sub 1} and ?{sub 2} isoforms of NKA. ? The H{sub 1}-H{sub 2} domain of the NKA ?{sub 1} isoform mediates OUA-induced cardiac toxicity. ? The H{sub 1}-H{sub 2} domain of the NKA ?{sub 2} isoform mediates OUA-induced positive inotropic.

  7. Water Quality Control (Texas)

    Broader source: Energy.gov [DOE]

    The policy of the state of Texas is to promote the quality of the state's water by regulating existing industries, taking into consideration the economic development of the state, and by...

  8. Feral Hogs in Texas

    E-Print Network [OSTI]

    Mapston, Mark; Texas Wildlife Services

    2007-03-19T23:59:59.000Z

    Feral hogs are found in almost parts of Texas. They are prized by hunters but despised by landowners who suffer from their damage. This publication is a comprehensive look at feral hogs, from their history and identification to their biology...

  9. Geothermal Resources Act (Texas)

    Broader source: Energy.gov [DOE]

    The policy of the state of Texas is to encourage the rapid and orderly development of geothermal energy and associated resources. The primary consideration of the development process is to provide...

  10. Growing Blackberries In Texas.

    E-Print Network [OSTI]

    Morris, H. F.; Garner, C. F.; Hancock, Bluefford; Smith, Harlan

    1962-01-01T23:59:59.000Z

    introduction of the Georgia Experiment Station and is the result of a cross between the upright growing Eldoraclo ancl the trailing Brainercl blackberry varieties. EAKLY WONDER (Texas Wonder, Dew- .) is a vigorous grower, with fruit that ripens n 3-weeks...

  11. Reinvestment Zones (Texas)

    Broader source: Energy.gov [DOE]

    Reinvestment Zones a local economic development tool used by municipalities and counties throughout the state of Texas. These zones can be created for the purpose of granting local businesses ad...

  12. Red River Compact (Texas)

    Broader source: Energy.gov [DOE]

    The Red River Compact Commission administers the Red River Compact to ensure that Texas receives its equitable share of quality water from the Red River and its tributaries as apportioned by the...

  13. Canadian River Compact (Texas)

    Broader source: Energy.gov [DOE]

    The Canadian River Commission administers the Canadian River Compact which includes the states of New Mexico, Oklahoma, and Texas. Signed in 1950 by the member states, the Compact was subsequently...

  14. Cavern Protection (Texas)

    Broader source: Energy.gov [DOE]

    It is public policy of the state to provide for the protection of caves on or under Texas lands. For the purposes of this legislation, “cave” means any naturally occurring subterranean cavity, and...

  15. Pecos River Compact (Texas)

    Broader source: Energy.gov [DOE]

    This legislation authorizes the state's entrance into the Pecos River Compact, a joint agreement between the states of New Mexico and Texas. The compact is administered by the Pecos River Compact...

  16. Texas Crop Profile: Onions

    E-Print Network [OSTI]

    Hall, Kent D.; Holloway, Rodney L.; Smith, Dudley

    2000-04-12T23:59:59.000Z

    Preemergence 3 1 London rocket, lambs- (Dacthal ? W-75) preemergence per acre quarter, nightshade, pig- weed, prostrate spurge, purslane, spotted spurge, ground cherry, henbit, johnsongrass and Texas panicum. Texas panicum, London rocket and henbit... (25 to 30 inches per season or 1 to 3 inches per week). Critical periods occur at stand establishment and from bulb initiation through maturity. Watering is discontinued at the first evidence of falling tops. Moisture deficit stress can cause splits...

  17. Oat Production in Texas.

    E-Print Network [OSTI]

    McFadden, E. S. (Edgar Sharp); Atkins, Irvin Milburn

    1947-01-01T23:59:59.000Z

    oats, now occupies consider- able acreages in Texas, Arkansas and other Southern States. Ranger and Rzcstler: These two varieties are sister selections from a cross of Nortex with Victoria, a crown (leaf) rust and smut- resistant red oat introduced... of Texas Red Rustproof and Selection 5542-1 of Victoria- Richland, the first generation of which was backcrossed to Tesa: Red Rustproof. Verde is similar to Red Rustproof in many plant characters but has mpre slender grain and is resistant to crorr...

  18. Texas Gold Rush

    E-Print Network [OSTI]

    Wythe, Kathy

    2006-01-01T23:59:59.000Z

    . More than 13 entities are involved in golden alga research or monitoring in Texas. TPWD documents the status of golden alga in Texas waters on its Web site along with maintaining numerous informational Web pages about the alga and the current...-Arlington and Richard Kiesling of the U.S. Geological Survey (USGS) are collaborating on projects to understand the environ- mental conditions that allow the organism to grow and cause fish kills. Once these conditions are under- stood, the researchers hope...

  19. Synthesis and characterization of alkali-metal titanium alkoxide compounds MTi(O-i-Pr) sub 5 (M = Li, Na, K): Single-crystal x-ray diffraction structure of (LiTi(O-i-Pr) sub 5 ) sub 2

    SciTech Connect (OSTI)

    Hampden-Smith, M.J.; Williams, D.S. (Univ. of New Mexico, Albuquerque (USA)); Rheingold, A.L. (Univ. of Delaware, Newark (USA))

    1990-10-03T23:59:59.000Z

    The series (MTi(O-iPr){sub 5}), M = Li, Na, or K, has been prepared by the reaction of MO-i-Pr with Ti(O-i-Pr){sub 4}. A single-crystal x-ray diffraction study revealed that (LiTi(O-i-Pr){sub 5}) crystallizes from toluene at {minus}30{degree}C in the monoclinic space group P2{sub 1}/n, with unit cell dimensions a = 11.440 (8) {angstrom}, b = 16.396 (13) {angstrom}, c = 11.838 (8) {angstrom}, {beta} = 92.59 (5){degree}, and Z = 4, as a dimer containing two approximately trigonal-bipyramidal titanium centers linked by lithium bridges. In benzene solution, all three compounds are dimeric, as revealed by cryoscopic molecular weight determination, and all three undergo an alkoxide ligand exchange process that is rapid on the {sup 1}H NMR time scale at room temperature. The positions of {nu}(M-O) are assigned based on the low-energy shifts observed upon deuteriation of the isopropoxide ligands. 23 refs., 3 figs., 3 tabs.

  20. EPR and optical absorption by Cu{sup 2+} ions in ZnO?Li{sub 2}O?Na{sub 2}O?K{sub 2}O?B{sub 2}O{sub 3} glasses

    SciTech Connect (OSTI)

    Hameed, Abdul, E-mail: hameed138@gmail.com; Shareefuddin, Md.; Chary, M. Narasimha [Department of Physics, Osmania University, Hyderabad-500007 (India); Ramadevudu, G. [Department of Physics, Vasavi college of Engineering, Hyderabad-500031 (India)

    2014-04-24T23:59:59.000Z

    Electron Paramagnetic Resonance (EPR) studies at room temperature in the x-band frequencies on xZnO?10Li{sub 2}O?10Na{sub 2}O?10K{sub 2}O?(69?x)B{sub 2}O{sub 3}?1CuO (x=0,2,4,6 and 8 mole%) glass systems were reported. The non-linear variation of spin-Hamiltonian parameters with ZnO content indicated the change in the ligand field strength around Cu{sup 2+} ions in the host glass. The ground state of Cu{sup 2+} ions in the glass is designated as d{sub x{sup 2}?y{sup 2}} orbital ({sup 2}B{sub 1g}) while the observed symmetry around it is tetragonally distorted octahedral. The molecular orbital coefficients ?{sup 2}, ?{sup 2} and ?{sub 1}{sup 2} are evaluated for Cu{sup 2+} doped samples. The non-linear variation in the values of parameters indicated mixed alkali effect in the glasses.

  1. Estimation of multi-group cross section covariances for {sup 235,238}U, {sup 239}Pu, {sup 241}Am, {sup 56}Fe, {sup 23}Na and {sup 27}Al

    SciTech Connect (OSTI)

    De Saint Jean, C.; Archier, P.; Noguere, G.; Litaize, O.; Vaglio-Gaudard, C.; Bernard, D.; Leray, O. [CEA, DEN, DER, Cadarache, F-13108 Saint-Paul-lez-Durance (France)

    2012-07-01T23:59:59.000Z

    This paper presents the methodology used to estimate multi-group covariances for some major isotopes used in reactor physics. The starting point of this evaluation is the modelling of the neutron induced reactions based on nuclear reaction models with parameters. These latest are the vectors of uncertainties as they are absorbing uncertainties and correlation arising from the confrontation of nuclear reaction model to microscopic experiment. These uncertainties are then propagated towards multi-group cross sections. As major breakthroughs were then asked by nuclear reactor physicists to assess proper uncertainties to be used in applications, a solution is proposed by the use of integral experiment information at two different stages in the covariance estimation. In this paper, we will explain briefly the treatment of all type of uncertainties, including experimental ones (statistical and systematic) as well as those coming from validation of nuclear data on dedicated integral experiment (nuclear data oriented). We will illustrate the use of this methodology with various isotopes such as {sup 235,238}U, {sup 239}Pu, {sup 241}Am, {sup 56}Fe, {sup 23}Na and {sup 27}Al. (authors)

  2. Texas Surface Coal Mining and Reclamation Act (Texas)

    Broader source: Energy.gov [DOE]

    The Railroad Commission of Texas regulates all surface mining activities for the extraction of coal. The Commission acts with the authority of the Texas Surface Coal Mining and Reclamation Act,...

  3. Texas High Plains Supplement to Texas Alfalfa Production

    E-Print Network [OSTI]

    Mukhtar, Saqib

    Texas High Plains Supplement to Texas Alfalfa Production Texas Cooperative Extension Bulletin B-5017 Common misunderstandings about alfalfa among prospective growers is 1) they aren't going to get rich growing alfalfa. Yes, there are a lot dairies moving into the northern South Plains and southwest

  4. Alfalfa Production Texas High Plains/Far West Texas

    E-Print Network [OSTI]

    Mukhtar, Saqib

    Alfalfa Production Texas High Plains/Far West Texas Calvin Trostle Extension Agronomy, Lubbock 806.746.6101 ctrostle@ag.tamu.edu #12;Observations in West Texas · Our best alfalfa producers don't have a massive farm is #12;Alfalfa Quality · This is what will make or break large producers · What is your goal? What

  5. Texas Watershed Coordinator Roundtable Blackland Research Extension Center Temple, Texas

    E-Print Network [OSTI]

    .bilbe@tceq.texas.gov Diane Boellstorff Texas AgriLife Extension Service dboellstorff@tamu.edu Henry Brewer US EPA, Region 6 brewer.henry@epa.gov Gary Bryant Texas Water Resources Institute glbryant@ag.tamu.edu Patricia Carvajal

  6. Federal Offshore Texas Associated-Dissolved Natural Gas Proved Reserves,

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) " ,"ClickPipelines About U.S.30Natural Gas Glossary529 633 6221,2372003of Energy2009 2010NA NA NA2 2003Wet

  7. Federal Offshore Texas Coalbed Methane Proved Reserves, Reserves Changes,

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) " ,"ClickPipelines About U.S.30Natural Gas Glossary529 633 6221,2372003of Energy2009 2010NA NA NA2

  8. Federal Offshore Texas Crude Oil plus Lease Condensate Proved Reserves

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) " ,"ClickPipelines About U.S.30Natural Gas Glossary529 633 6221,2372003of Energy2009 2010NA NA NA203 304 252

  9. Federal Offshore Texas Dry Natural Gas Proved Reserves

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) " ,"ClickPipelines About U.S.30Natural Gas Glossary529 633 6221,2372003of Energy2009 2010NA NA NA203 304

  10. Federal Offshore Texas Lease Condensate Proved Reserves, Reserve Changes,

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) " ,"ClickPipelines About U.S.30Natural Gas Glossary529 633 6221,2372003of Energy2009 2010NA NA NA203 304and

  11. Federal Offshore Texas Nonassociated Natural Gas Proved Reserves, Wet After

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) " ,"ClickPipelines About U.S.30Natural Gas Glossary529 633 6221,2372003of Energy2009 2010NA NA NA203

  12. Freestall Facilities in Central Texas

    E-Print Network [OSTI]

    Stokes, Sandra R.; Gamroth, Mike

    1999-06-04T23:59:59.000Z

    surveyed recently for infor- L-5311 5-99 Freestall Dairy Facilities in Central Texas Sandy Stokes and Mike Gamroth* *Extension Dairy Specialist, Texas A&M University System, and Extension Dairy Specialist, Oregon State University. Freestall housing...

  13. Uranium Recovery Surface Activities (Texas)

    Broader source: Energy.gov [DOE]

    This section of the Texas Commission on Environmental Quality enforces and makes the rules and regulations for handling and recovering radioactive materials associated with in situ mining in Texas....

  14. Texas Transportation Poll Final report

    E-Print Network [OSTI]

    Texas Transportation Poll Final report PRC 14-16-F #12;2 Texas Transportation Poll Texas A&M Transportation Institute PRC 14-16-F September 2014 Authors Chris Simek Tina Geiselbrecht #12;3 Table of Contents .......................................................................................................................... 8 Transportation Funding

  15. Texas Air Quality Status and the Texas Emission Reduction Plan

    E-Print Network [OSTI]

    Hildebrand, S.

    2012-01-01T23:59:59.000Z

    Through Energy Efficiency Conference ? Galveston, Texas ? October 10, 2012 0.0 1.3 2.7 4.0 5.3 6.7 8.0 60 90 120 150 180 210 240 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011...Texas Air Quality Status and the Texas Emission Reduction Plan Susana M. Hildebrand, P.E., Chief Engineer Texas Commission on Environmental Quality Clean Air Through Energy Efficiency Conference ? Galveston, Texas ? October 10, 2012...

  16. In Situ Observations of Templated Grain Growth in (Na[subscript 0.5]K[subscript 0.5])[subscript 0.98]Li[subscript 0.02]NbO[subscript 3] Piezoceramics: Texture Development and Template?Matrix Interactions

    SciTech Connect (OSTI)

    Tutuncu, Goknur; Chang, Yunfei; Poterala, Stephen; Messing, Gary L.; Jones, Jacob L. (Florida); (Penn)

    2012-08-13T23:59:59.000Z

    Nucleation, texture development, and phase equilibria were observed during templated grain growth (TGG) of (Na{sub 0.5}K{sub 0.5}){sub 0.98}Li{sub 0.02}NbO{sub 3} (NKLN) via in situ X-ray diffraction (XRD). Initially, NaNbO{sub 3} templates and NKLN matrix powder exist as distinct phases with unique lattice parameters. Above 850 C, the templates and matrix begin to react via interdiffusion as characterized by an increase in diffuse scattering between the NaNbO{sub 3} and NKLN peaks. This process intensifies immediately prior to template growth, leading to merging of diffraction peaks for these two phases. TGG in this system is thus homoepitaxial in nature as it occurs after the NKLN matrix and NaNbO{sub 3} templates form a solid solution. The degree of alignment in the matrix phase is quantified in situ using the March-Dollase parameters r and f. The degree of orientation of the textured NKLN mirrors the initial alignment of the template particles (r {approx} 0.3), while the texture fraction f increases from 0.04 to {approx}0.67 after 3 h at 1138 C. This increase in texture fraction follows n = 1/3 power law kinetics consistent with liquid-phase-assisted normal grain growth on plate-like templates. As the observed template-matrix interdiffusion and the onset of texture development proceed extremely rapidly, this work demonstrates the utility of in situ XRD for observing details of TGG that cannot easily be seen via ex situ methods.

  17. Barley Production in Texas.

    E-Print Network [OSTI]

    Dunkle, P. B. (Paul Burtch); Atkins, Irvin Milburn

    1941-01-01T23:59:59.000Z

    inclusive, an average of 14 6,O 0 0 acres of barley was planted, producing an average annual production of 2,445,000 bushels. The acreage and pro- duction fluctuate widely, being influenced by spring moisture conditions in west Texas and by winterkilling... the winter months, than on un- protected land. In west Texas it also may aid in reducing soil blowing. Barley may be used for hay or green manure crops, and in other sec- tions is used extensively in the brewing industry. At present very little barley...

  18. Pecan Propagation in Texas.

    E-Print Network [OSTI]

    Swallow, A. P.

    1924-01-01T23:59:59.000Z

    can be readily chosen. Considerable difference exists between the varieties recommended for East Texas and those that do best in West Texas. There is no clear line of demarkation between the section adapted to the two kinds, but a line from Denison... the tree, or by driving two short pieces of board into the ground, one on the south and the other on the west side of the tree. Requirements of Good Nursery Stock- There are three very important points in connection with the purchase of pecan trees from...

  19. ECO2M: A TOUGH2 Fluid Property Module for Mixtures of Water, NaCl, and CO2, Including Super- and Sub-Critical Conditions, and Phase Change Between Liquid and Gaseous CO2

    SciTech Connect (OSTI)

    Pruess, K.

    2011-04-01T23:59:59.000Z

    ECO2M is a fluid property module for the TOUGH2 simulator (Version 2.0) that was designed for applications to geologic storage of CO{sub 2} in saline aquifers. It includes a comprehensive description of the thermodynamics and thermophysical properties of H{sub 2}O - NaCl - CO{sub 2} mixtures, that reproduces fluid properties largely within experimental error for temperature, pressure and salinity conditions in the range of 10 C {le} T {le} 110 C, P {le} 600 bar, and salinity from zero up to full halite saturation. The fluid property correlations used in ECO2M are identical to the earlier ECO2N fluid property package, but whereas ECO2N could represent only a single CO{sub 2}-rich phase, ECO2M can describe all possible phase conditions for brine-CO{sub 2} mixtures, including transitions between super- and sub-critical conditions, and phase change between liquid and gaseous CO{sub 2}. This allows for seamless modeling of CO{sub 2} storage and leakage. Flow processes can be modeled isothermally or non-isothermally, and phase conditions represented may include a single (aqueous or CO{sub 2}-rich) phase, as well as two-and three-phase mixtures of aqueous, liquid CO{sub 2} and gaseous CO{sub 2} phases. Fluid phases may appear or disappear in the course of a simulation, and solid salt may precipitate or dissolve. TOUGH2/ECO2M is upwardly compatible with ECO2N and accepts ECO2N-style inputs. This report gives technical specifications of ECO2M and includes instructions for preparing input data. Code applications are illustrated by means of several sample problems, including problems that had been previously solved with TOUGH2/ECO2N.

  20. 56 IEEE Spectrum | January 2005 | NA ROBERTHOUSER

    E-Print Network [OSTI]

    Olukotun, Kunle

    splattered by the burst of the dot-com bubble of 2000. Revenues for this once towering colossus of the server

  1. Brasis calcados? Provincianos na arena modernista

    E-Print Network [OSTI]

    Dias, Silvana Moreli Vicente

    2008-01-01T23:59:59.000Z

    Rego, Aníbal Fernandes, Olívio Montenegro um tipo de jornalde Flolanda Olívio Montenegro, Prudente de Morais Ribeiro

  2. O Teatro Brasileiro na Década de Oitenta

    E-Print Network [OSTI]

    Albuquerque, Severino Joã o

    1992-04-01T23:59:59.000Z

    -foi apresentada com estrondoso êxito não somente no Brasil mas também em vários festivais internacionais de teatro e em turnes pela Europa e Américas. Sob a direção meticulosa de Antunes Filho, o Grupo Macunaíma conseguiu liberar a energia da rapsódia de Mário... década de oitenta explica-se, ao menos em parte, pelas experiências dos que foram mais de perto atingidos pela censura da ditadura. Com a liberalização política, Boal voltou ao Brasil pela primeira vez em oito anos para dar palestras e dirigir...

  3. desiste do 'cheque ensino' na actual

    E-Print Network [OSTI]

    Instituto de Sistemas e Robotica

    dificuldades aos partidos do Governo" e "no último ano de legislatura não se tomam medidas que causem este tipo um problema de legislatura". Para Rodrigo Queiroz e Melo, "se o Governo quiser avançar com o projecto completo no Parla- mento a intenção do Governo avançar com a medida em Se- tembro de 2014. Segundo Passos

  4. Novas Aplicaes das Matemticas na Indstria

    E-Print Network [OSTI]

    Saeki, Osamu

    Arithmetic-Cryptography Kao Corporation Graph Theory-Optimization OLM Digital, Inc. CG of animation Geometry. MAZDA MOTOR CORP. KDDI HITACHI IBM Japan ETRI, Korea OLM Digital, Inc. & WETA Digital, New Zealand. Mitsubishi Research Inst. Inc. MAZDA MOTOR CORP. KDDI HITACHI IBM Japan ETRI, Korea OLM Digital, Inc. & WETA

  5. Results from NA57 Havard Helstrup1

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    dynamics using blast wave fits, longitudinal dynamics obtained from rapidity distributions. HBT analysis final state particle spectra. Blast wave analysis has been applied to the transverse mass spectra momentum particles in central heavy ion collisions. This effect is quantified using nuclear modification

  6. Genetolingvisti?na klasifikacija vzhodnoslovanskih jezikov

    E-Print Network [OSTI]

    Šekli, Matej

    2014-06-25T23:59:59.000Z

    ;!#3;QRYJ#17;#16;SVN#17;#3;YVO#17;#3;üähm#3;µVLYLQD#30;#3;VLYR#3;#11;QHRNUDãHQR#12;#3;VXNQR¶#30;#3;SVO#17;#3; N?UN\\ > vsl. wmhrs#3;µFHUNHY¶#3;#29;#3;QRYJ#17;#16;SVN#17;#3;YVO#17;#3;rmhrs#12;#3;#11;????????#3;#21;#19;#19;#23;#29;#3;#23;#20;±#23;#24;#30;#3;5'#29;#3;#25;#21;#12;#17;10...) VSORãQRVORYDQVNR#29;#3;SVO#17; ?5& > sl. RaC (psl. ?UGOR#3;µUDOR¶#3;!#3;YVO#17;#3;hfkj#3;!#3;UXV#17;#3; ????#15;#3;EUXV#17;#3;????#15;#3;XNU#17;#3;????#30;#3;SVO#17;#3; ?ONRP?M?#3;µODNRPHQ¶#3;!#3;YVO#17;#3;kfrjvsb#3;!#3;UXV#17;#3; ???????#15...

  7. Brasis calcados? Provincianos na arena modernista

    E-Print Network [OSTI]

    Dias, Silvana Moreli Vicente

    2008-01-01T23:59:59.000Z

    Buarque de Holanda. 8° ed. Brasil." Raízes Rio de Janeiro:Aderaldo. José Lins J. do Brasil. Por Sérgio Olympio, 1975.Manuel. Crónicas da provincia do Brasil. Ed. Júlio Castañon

  8. Document: NA (FOIA) Actionee: Dorothy Riehie

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phasesDataTranslocationDiurnal Cycle ofDo New55SubmissionNEWSvN T opvT op

  9. NA1 Sept | National Nuclear Security Administration

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review ofElectronic InputNuclear Approved:the; i- DNA 6187F

  10. NA1 | National Nuclear Security Administration

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review ofElectronic InputNuclear Approved:the; i- DNA 6187F|

  11. SOFE Romanelli_na1.ppt

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 -the Mid-Infrared0 ResourceAwards SAGE Awards ,#2446Smalln n u a l r e pRoadmap to

  12. NA 80 - Associate Administrator for Counterterrorism and

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNationalRestart of the Review of the Yucca0 NationalJ Page i| National

  13. na-00 | National Nuclear Security Administration

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNational NuclearhasAdministration goSecuritycdns ||fors| National Nuclearna-00 |

  14. Contract No. DE-NA0001942

    National Nuclear Security Administration (NNSA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartmentNational NuclearhasAdministration77 SandiaGuidance to theJulyContract

  15. A=13Na (1986AJ01)

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered‰PNGExperience4AJ01) (See Energy Level1980AJ01)90AJ01)86AJ01)

  16. A=13Na (1991AJ01)

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered‰PNGExperience4AJ01) (See Energy Level1980AJ01)90AJ01)86AJ01)91AJ01) (Not

  17. A=14Na (1986AJ01)

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered‰PNGExperience4AJ01) (See Energy0AJ04) (See the Isobar1AJ01)59AJ76) (See

  18. A=14Na (1991AJ01)

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered‰PNGExperience4AJ01) (See Energy0AJ04) (See the Isobar1AJ01)59AJ76) (See91AJ01) (Not

  19. A=16Na (1986AJ04)

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered‰PNGExperience4AJ01) (See Energy0AJ04) (See93TI07)7AJ02) (See Energy Level

  20. A=16Na (1993TI07)

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLasDelivered‰PNGExperience4AJ01) (See Energy0AJ04) (See93TI07)7AJ02) (See Energy Level93TI07)