National Library of Energy BETA

Sample records for increases higher minemouth

  1. Fresh Water Increased temperature means higher proportion of water

    E-Print Network [OSTI]

    Houston, Paul L.

    Fresh Water Increased temperature means higher proportion of water falling on surface higher evaporation higher rainfall greater intensity of floods and droughts. Water use has grown four on How much storage compared to average flow Demand as percentage of supply How much ground water is used

  2. Internationalization The activity of higher education is increasingly crossing borders

    E-Print Network [OSTI]

    Hayden, Nancy J.

    versus global in how higher education responds, but a blending of the two in "local to global." John J Elements Multiple Partners & UVM Pathway Offers all strategy components More risk than opportunity Single Partner & Joint Pathway Offers all strategy components More opportunity than risk #12;

  3. Increasing minority enrollments in higher education: political institutions, public universities, and policy outcomes 

    E-Print Network [OSTI]

    Hicklin, Alisa Kay

    2009-06-02

    Few debates spark as much interest as the controversy over how to increase access to higher education, particularly for racial minority groups. Despite the knowledge accumulated on the benefits of diversity, the higher education community knows very...

  4. Increased sensitivity of tropical cyclogenesis to wind shear in higher SST environments

    E-Print Network [OSTI]

    Nolan, David S.

    Increased sensitivity of tropical cyclogenesis to wind shear in higher SST environments David S in environments of radiative- convective equilibrium (RCE) generated by the same model. This method is extended to allow for the incorporation of mean wind shear into the RCE states, thus providing much more realistic

  5. Increased efficiency of ion acceleration by using femtosecond laser pulses at higher harmonic frequency

    SciTech Connect (OSTI)

    Psikal, J., E-mail: jan.psikal@fjfi.cvut.cz [FNSPE, Czech Technical University in Prague, 11519 Prague (Czech Republic); Klimo, O. [FNSPE, Czech Technical University in Prague, 11519 Prague (Czech Republic); ELI-Beamlines Project, Institute of Physics of the ASCR, 18221 Prague (Czech Republic); Weber, S.; Margarone, D. [ELI-Beamlines Project, Institute of Physics of the ASCR, 18221 Prague (Czech Republic)

    2014-07-15

    The influence of laser frequency on laser-driven ion acceleration is investigated by means of two-dimensional particle-in-cell simulations. When ultrashort intense laser pulse at higher harmonic frequency irradiates a thin solid foil, the target may become re lativistically transparent for significantly lower laser pulse intensity compared with irradiation at fundamental laser frequency. The relativistically induced transparency results in an enhanced heating of hot electrons as well as increased maximum energies of accelerated ions and their numbers. Our simulation results have shown the increase in maximum proton energy and increase in the number of high-energy protons by a factor of 2 after the interaction of an ultrashort laser pulse of maximum intensity 7?×?10{sup 21?}W/cm{sup 2} with a fully ionized plastic foil of realistic density and of optimal thickness between 100?nm and 200?nm when switching from the fundamental frequency to the third harmonics.

  6. The "salt hypothesis" is that higher levels of salt in the diet lead to higher levels of blood pressure, increasing the risk of cardiovascular disease. Intersalt, a cross-

    E-Print Network [OSTI]

    Freedman, David A.

    The "salt hypothesis" is that higher levels of salt in the diet lead to higher levels of blood pressure, increasing the risk of cardiovascular disease. Intersalt, a cross- sectional study of salt levels and blood pressures in 52 populations, is often cited to support the salt hypothesis, but the data

  7. Abstract--Ever-increasing bandwidth demands and higher flexibility are the main challenges for the next generation optical

    E-Print Network [OSTI]

    Varvarigo, Emmanouel "Manos"

    to network cost, size, and power requirements. In opaque networks the signal is regenerated at every) and network related OpEx (power consumption, floor space, repair costs) considerations. To make it more1 Abstract--Ever-increasing bandwidth demands and higher flexibility are the main challenges

  8. Wind Turbine Towers for Greater Hub Heights Why higher wind turbine tower can contribute to increase energy

    E-Print Network [OSTI]

    McCalley, James D.

    towers represent 26% of the total WTG (Wind Turbine Generator) cost #12;Why concrete towerWind Turbine Towers for Greater Hub Heights Why higher wind turbine tower can contribute to increase energy output? · Energy output is proportional to the cube of wind velocity, 100m towers (versus

  9. INCREASE

    ScienceCinema (OSTI)

    None

    2013-07-22

    The Interdisciplinary Consortium for Research and Educational Access in Science and Engineering (INCREASE), assists minority-serving institutions in gaining access to world-class research facilities.

  10. Increased

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverseIMPACT EVALUATION PLAN FOR THE SITE-218in a V2O5 BatteryIncreased confinement

  11. Higher Levels of c-Met Expression and Phosphorylation Identify Cell Lines With Increased Sensitivity to AMG-458, a Novel Selective c-Met Inhibitor With Radiosensitizing Effects

    SciTech Connect (OSTI)

    Li Bo; Torossian, Artour [Department of Radiation Oncology, Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, Tennessee (United States)] [Department of Radiation Oncology, Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, Tennessee (United States); Sun, Yunguang [Department of Radiation Oncology, Kimmel Cancer Center, Jefferson Medical College of Thomas Jefferson University, Philadelphia, Pennsylvania (United States)] [Department of Radiation Oncology, Kimmel Cancer Center, Jefferson Medical College of Thomas Jefferson University, Philadelphia, Pennsylvania (United States); Du, Ruihong [Department of Radiation Oncology, Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, Tennessee (United States)] [Department of Radiation Oncology, Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, Tennessee (United States); Dicker, Adam P. [Department of Radiation Oncology, Kimmel Cancer Center, Jefferson Medical College of Thomas Jefferson University, Philadelphia, Pennsylvania (United States)] [Department of Radiation Oncology, Kimmel Cancer Center, Jefferson Medical College of Thomas Jefferson University, Philadelphia, Pennsylvania (United States); Lu Bo, E-mail: bo.lu@jefferson.edu [Department of Radiation Oncology, Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, Tennessee (United States); Department of Radiation Oncology, Kimmel Cancer Center, Jefferson Medical College of Thomas Jefferson University, Philadelphia, Pennsylvania (United States)

    2012-11-15

    Purpose: c-Met is overexpressed in some non-small cell lung cancer (NSCLC) cell lines and tissues. Cell lines with higher levels of c-Met expression and phosphorylation depend on this receptor for survival. We studied the effects of AMG-458 on 2 NSCLC cell lines. Methods and Materials: 3-(4,5-Dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl) -2H-tetrazolium assays assessed the sensitivities of the cells to AMG-458. Clonogenic survival assays illustrated the radiosensitizing effects of AMG-458. Western blot for cleaved caspase 3 measured apoptosis. Immunoblotting for c-Met, phospho-Met (p-Met), Akt/p-Akt, and Erk/p-Erk was performed to observe downstream signaling. Results: AMG-458 enhanced radiosensitivity in H441 but not in A549. H441 showed constitutive phosphorylation of c-Met. A549 expressed low levels of c-Met, which were phosphorylated only in the presence of exogenous hepatocyte growth factor. The combination of radiation therapy and AMG-458 treatment was found to synergistically increase apoptosis in the H441 cell line but not in A549. Radiation therapy, AMG-458, and combination treatment were found to reduce p-Akt and p-Erk levels in H441 but not in A549. H441 became less sensitive to AMG-458 after small interfering RNA knockdown of c-Met; there was no change in A549. After overexpression of c-Met, A549 became more sensitive, while H441 became less sensitive to AMG-458. Conclusions: AMG-458 was more effective in cells that expressed higher levels of c-Met/p-Met, suggesting that higher levels of c-Met and p-Met in NSCLC tissue may classify a subset of tumors that are more sensitive to molecular therapies against this receptor.

  12. Higher Education

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

    like me to attain challenging and rewarding careers." - Sherry Salas Bachicha Higher Education Resources for Undergraduates, Graduates & Postdocs Opportunities LANL Foundation...

  13. In order to achieve higher gas turbine efficiency, the main gas temperature at turbine inlet has been steadily increased from approximately 900C to about 1500C over the last few decades.

    E-Print Network [OSTI]

    In order to achieve higher gas turbine efficiency, the main gas temperature at turbine inlet has. This temperature is higher than the maximum acceptable temperature for turbine internals. The hot main gas may get the purge air is typically bled off the compressor discharge, this reducing the overall gas turbine

  14. Putting downward pressure on natural gas prices: The impact of renewable energy and energy efficiency

    E-Print Network [OSTI]

    Wiser, Ryan; Bolinger, Mark; St. Clair, Matthew

    2004-01-01

    using forecasts of U.S. coal minemouth prices and total U.S.price forecasts of recent years, however, suggest that RE and EE may increasingly displace coalprice forecasts (e.g. , UCS 2003, 2004) generally find greater coal

  15. Higher-derivative Schwinger model

    SciTech Connect (OSTI)

    Amaral, R.L.P.G.; Belvedere, L.V.; Lemos, N.A. (Instituto de Fisica, Universidade Federal Fluminense, Outeiro de Sao Joao Batista s/n, 24020 Centro, Niteroi, Rio de Janeiro (Brazil)); Natividade, C.P. (Departamento de Matematica, Universidade Estadual Paulista, Campus de Guaratingueta, 12500 Sao Paulo, Sao Paulo (Brazil))

    1993-04-15

    Using the operator formalism, we obtain the bosonic representation for the free fermion field satisfying an equation of motion with higher-order derivatives. Then, we consider the operator solution of a generalized Schwinger model with higher-derivative coupling. Since the increasing of the derivative order implies the introduction of an equivalent number of extra fermionic degrees of freedom, the mass acquired by the gauge field is bigger than the one for the standard two-dimensional QED. An analysis of the problem from the functional integration point of view corroborates the findings of canonical quantization, and corrects certain results previously announced in the literature on the basis of Fujikawa's technique.

  16. On Higher Structures

    E-Print Network [OSTI]

    Nils A. Baas

    2015-12-01

    In this paper we discuss various philosophical aspects of the hyperstructure concept extending networks and higher categories. By this discussion we hope to pave the way for applications and further developments of the mathematical theory of hyperstructures.

  17. HigherDimensional Categories

    E-Print Network [OSTI]

    Cheng, Eugenia

    ­dimensional categories are like a vast mountain that many people are trying to conquer. Some intrepid explorers have made, are we even climbing the same mountain? This work is an illustrated guide book to the world of higher to give visitors their bearings but not so much that they need a magnifying glass to find what they

  18. Higher-Dimensional Categories

    E-Print Network [OSTI]

    Cheng, Eugenia

    -dimensional categories are like a vast mountain that many people are trying to conquer. Some intrepid explorers have made, are we even climbing the same mountain? This work is an illustrated guide book to the world of higher to give visitors their bearings but not so much that they need a magnifying glass to find what they

  19. Higher Education Doctor of Philosophy

    E-Print Network [OSTI]

    Rock, Chris

    service to the practice of higher education. The program delivers teaching, research, and professional services to students, institutions of higher education, and other academic disciplines. The doctoralHigher Education Doctor of Philosophy Program Handbook College of Education Graduate Education

  20. Research Higher Degrees at the

    E-Print Network [OSTI]

    Wapstra, Erik

    Research Higher Degrees at the University of Tasmania ChooseYour Adventure #12;Unique research.The University of Tasmania is more than a place to study. Exciting research A Research Higher Degree at the University of Tasmania will place you in a unique research environment, working with the best in the field

  1. Polymers with increased order

    DOE Patents [OSTI]

    Sawan, Samuel P. (Tyngsborough, MA); Talhi, Abdelhafid (Rochester, MI); Taylor, Craig M. (Jemez Springs, NM)

    1998-08-25

    The invention features polymers with increased order, and methods of making them featuring a dense gas.

  2. Understanding the Cost of Higher Education

    E-Print Network [OSTI]

    McPherson, Peter; Shulenburger, David E.

    2010-01-01

    Index as a cost measure, the annual real increase is still just 0.84 percent per year.13 To repeat, the substantial increase in tuition revenue over the last decade, and in fact over the last two decades, was only slightly more than the real... methods of deflating figures to account for inflation. Wellman used the Consumer Price Index while SHEEO utilizes its own cost index, the Higher Education Cost Adjustment (HECA) for deflation. The SHEEO index is a combination of the BLS’s Employment...

  3. Managing Increased Charging Demand

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

    Managing Increased Charging Demand Carrie Giles ICF International, Supporting the Workplace Charging Challenge Workplace Charging Challenge Do you already own an EV? Are you...

  4. Does Deinstitutionalization Increase Suicide?

    E-Print Network [OSTI]

    Yoon, Jangho; Bruckner, Tim A

    2009-01-01

    RESEARCH ARTICLE Does Deinstitutionalization IncreaseHowever, the literature does not support this notion ofsupply. If privatization does not influence the availability

  5. Higher order anisotropies in hydrodynamics

    E-Print Network [OSTI]

    M. Csanad; A. Szabo; S. Lokos; A. Bagoly

    2015-04-29

    In the last years it has been revealed that if measuring relative to higher order event planes $\\Psi_n$, higher order flow coefficients $v_n$ for $n>2$ can be measured. It also turned out that Bose-Einstein (HBT) correlation radii also show 3rd order oscillations if measured versus the third order event plane $\\Psi_3$. In this paper we investigate how these observables can be described via analytic hydro solutions and hydro parameterizations. We also investigate the time evolution of asymmetry coefficients and the mixing of velocity field asymmetries and density asymmetries.

  6. Higher order anisotropies in hydrodynamics

    E-Print Network [OSTI]

    Csanad, M; Lokos, S; Bagoly, A

    2015-01-01

    In the last years it has been revealed that if measuring relative to higher order event planes $\\Psi_n$, higher order flow coefficients $v_n$ for $n>2$ can be measured. It also turned out that Bose-Einstein (HBT) correlation radii also show 3rd order oscillations if measured versus the third order event plane $\\Psi_3$. In this paper we investigate how these observables can be described via analytic hydro solutions and hydro parameterizations. We also investigate the time evolution of asymmetry coefficients and the mixing of velocity field asymmetries and density asymmetries.

  7. Higher Education Erasmus+ Student Charter

    E-Print Network [OSTI]

    Peletier, Reynier

    points and information sources in the inter-institutional agreement signed between your sending highlights your rights and obligations and informs you about what you can expect from your sending and receiving organisation at each step of your mobility. Higher education institutions participating

  8. Extremal Higher Spin Black Holes

    E-Print Network [OSTI]

    Máximo Bañados; Alejandra Castro; Alberto Faraggi; Juan I. Jottar

    2015-11-30

    The gauge sector of three-dimensional higher spin gravities can be formulated as a Chern-Simons theory. In this context, a higher spin black hole corresponds to a flat connection with suitable holonomy (smoothness) conditions which are consistent with the properties of a generalized thermal ensemble. Building on these ideas, we discuss a definition of black hole extremality which is appropriate to the topological character of 3d higher spin theories. Our definition can be phrased in terms of the Jordan class of the holonomy around a non-contractible (angular) cycle, and we show that it is compatible with the zero-temperature limit of smooth black hole solutions. While this notion of extremality does not require nor implies the existence of supersymmetry, we exemplify its consequences in the context of sl(3|2) + sl(3|2) Chern-Simons theory. Remarkably, while as usual not all extremal solutions preserve supersymmetries, we find that the higher spin setup allows for non-extremal supersymmetric black hole solutions as well. Furthermore, we discuss our results from the perspective of the holographic duality between sl(3|2) + sl(3|2) Chern-Simons theory and two-dimensional CFTs with W_{(3|2)} symmetry, the simplest higher spin extension of the N=2 super-Virasoro algebra. In particular, we compute W_{(3|2)} BPS bounds at the full quantum level, and relate their semiclassical limit to extremal black hole or conical defect solutions in the 3d bulk. Along the way, we discuss the role of the spectral flow automorphism and provide a conjecture for the form of the semiclassical BPS bounds in general N=2 two-dimensional CFTs with extended symmetry algebras.

  9. Cast Stone Formulation At Higher Sodium Concentrations

    SciTech Connect (OSTI)

    Fox, K. M.; Roberts, K. A.; Edwards, T. B.

    2014-02-28

    A low temperature waste form known as Cast Stone is being considered to provide supplemental Low Activity Waste (LAW) immobilization capacity for the Hanford site. Formulation of Cast Stone at high sodium concentrations is of interest since a significant reduction in the necessary volume of Cast Stone and subsequent disposal costs could be achieved if an acceptable waste form can be produced with a high sodium molarity salt solution combined with a high water to premix (or dry blend) ratio. The objectives of this study were to evaluate the factors involved with increasing the sodium concentration in Cast Stone, including production and performance properties and the retention and release of specific components of interest. Three factors were identified for the experimental matrix: the concentration of sodium in the simulated salt solution, the water to premix ratio, and the blast furnace slag portion of the premix. The salt solution simulants used in this study were formulated to represent the overall average waste composition. The cement, blast furnace slag, and fly ash were sourced from a supplier in the Hanford area in order to be representative. The test mixes were prepared in the laboratory and fresh properties were measured. Fresh density increased with increasing sodium molarity and with decreasing water to premix ratio, as expected given the individual densities of these components. Rheology measurements showed that all of the test mixes produced very fluid slurries. The fresh density and rheology data are of potential value in designing a future Cast Stone production facility. Standing water and density gradient testing showed that settling is not of particular concern for the high sodium compositions studied. Heat of hydration measurements may provide some insight into the reactions that occur within the test mixes, which may in turn be related to the properties and performance of the waste form. These measurements showed that increased sodium concentration in the salt solution reduced the time to peak heat flow, and reducing the amount of slag in the premix increased the time to peak heat flow. These observations may help to describe some of the cured properties of the samples, in particular the differences in compressive strength observed after 28 and 90 days of curing. Samples were cured for at least 28 days at ambient temperature in the laboratory prior to cured properties analyses. The low activity waste form for disposal at the Hanford Site is required to have a compressive strength of at least 500 psi. After 28 days of curing, several of the test mixes had mean compressive strengths that were below the 500 psi requirement. Higher sodium concentrations and higher water to premix ratios led to reduced compressive strength. Higher fly ash concentrations decreased the compressive strength after 28 days of curing. This may be explained in that the cementitious phases matured more quickly in the mixes with higher concentrations of slag, as evidenced by the data for the time to peak heat generation. All of the test mixes exhibited higher mean compressive strengths after 90 days of curing, with only one composition having a mean compressive strength of less than 500 psi. Leachability indices were determined for the test mixes for contaminants of interest. The leaching performance of the mixes evaluated in this study was not particularly sensitive to the factors used in the experimental design. This may be beneficial in demonstrating that the performance of the waste form is robust with respect to changes in the mix composition. The results of this study demonstrate the potential to achieve significantly higher waste loadings in Cast Stone and other low temperature, cementitious waste forms. Additional work is needed to elucidate the hydration mechanisms occurring in Cast Stone formulated with highly concentrated salt solutions since these reactions are responsible for determining the performance of the cured waste form. The thermal analyses completed in this study provide some preliminary insight, although the l

  10. Cast Stone Formulation At Higher Sodium Concentrations

    SciTech Connect (OSTI)

    Fox, K. M.; Edwards, T. A.; Roberts, K. B.

    2013-10-02

    A low temperature waste form known as Cast Stone is being considered to provide supplemental Low Activity Waste (LAW) immobilization capacity for the Hanford site. Formulation of Cast Stone at high sodium concentrations is of interest since a significant reduction in the necessary volume of Cast Stone and subsequent disposal costs could be achieved if an acceptable waste form can be produced with a high sodium molarity salt solution combined with a high water to premix (or dry blend) ratio. The objectives of this study were to evaluate the factors involved with increasing the sodium concentration in Cast Stone, including production and performance properties and the retention and release of specific components of interest. Three factors were identified for the experimental matrix: the concentration of sodium in the simulated salt solution, the water to premix ratio, and the blast furnace slag portion of the premix. The salt solution simulants used in this study were formulated to represent the overall average waste composition. The cement, blast furnace slag, and fly ash were sourced from a supplier in the Hanford area in order to be representative. The test mixes were prepared in the laboratory and fresh properties were measured. Fresh density increased with increasing sodium molarity and with decreasing water to premix ratio, as expected given the individual densities of these components. Rheology measurements showed that all of the test mixes produced very fluid slurries. The fresh density and rheology data are of potential value in designing a future Cast Stone production facility. Standing water and density gradient testing showed that settling is not of particular concern for the high sodium compositions studied. Heat of hydration measurements may provide some insight into the reactions that occur within the test mixes, which may in turn be related to the properties and performance of the waste form. These measurements showed that increased sodium concentration in the salt solution reduced the time to peak heat flow, and reducing the amount of slag in the premix increased the time to peak heat flow. These observations may help to describe some of the cured properties of the samples, in particular the differences in compressive strength observed after 28 and 90 days of curing. Samples were cured for at least 28 days at ambient temperature in the laboratory prior to cured properties analyses. The low activity waste form for disposal at the Hanford Site is required to have a compressive strength of at least 500 psi. After 28 days of curing, several of the test mixes had mean compressive strengths that were below the 500 psi requirement. Higher sodium concentrations and higher water to premix ratios led to reduced compressive strength. Higher fly ash concentrations decreased the compressive strength after 28 days of curing. This may be explained in that the cementitious phases matured more quickly in the mixes with higher concentrations of slag, as evidenced by the data for the time to peak heat generation. All of the test mixes exhibited higher mean compressive strengths after 90 days of curing, with only one composition having a mean compressive strength of less than 500 psi. Leach indices were determined for the test mixes for contaminants of interest. The leaching performance of the mixes evaluated in this study was not particularly sensitive to the factors used in the experimental design. This may be beneficial in demonstrating that the performance of the waste form is robust with respect to changes in the mix composition. The results of this study demonstrate the potential to achieve significantly higher waste loadings in Cast Stone and other low temperature, cementitious waste forms. Additional work is needed to elucidate the hydration mechanisms occurring in Cast Stone formulated with highly concentrated salt solutions since these reactions are responsible for determining the performance of the cured waste form. The thermal analyses completed in this study provide some preliminary insight, although the limited

  11. Cast Stone Formulation At Higher Sodium Concentrations

    SciTech Connect (OSTI)

    Fox, K. M.; Roberts, K. A.; Edwards, T. B.

    2013-09-17

    A low temperature waste form known as Cast Stone is being considered to provide supplemental Low Activity Waste (LAW) immobilization capacity for the Hanford site. Formulation of Cast Stone at high sodium concentrations is of interest since a significant reduction in the necessary volume of Cast Stone and subsequent disposal costs could be achieved if an acceptable waste form can be produced with a high sodium molarity salt solution combined with a high water to premix (or dry blend) ratio. The objectives of this study were to evaluate the factors involved with increasing the sodium concentration in Cast Stone, including production and performance properties and the retention and release of specific components of interest. Three factors were identified for the experimental matrix: the concentration of sodium in the simulated salt solution, the water to premix ratio, and the blast furnace slag portion of the premix. The salt solution simulants used in this study were formulated to represent the overall average waste composition. The cement, blast furnace slag, and fly ash were sourced from a supplier in the Hanford area in order to be representative. The test mixes were prepared in the laboratory and fresh properties were measured. Fresh density increased with increasing sodium molarity and with decreasing water to premix ratio, as expected given the individual densities of these components. Rheology measurements showed that all of the test mixes produced very fluid slurries. The fresh density and rheology data are of potential value in designing a future Cast Stone production facility. Standing water and density gradient testing showed that settling is not of particular concern for the high sodium compositions studied. Heat of hydration measurements may provide some insight into the reactions that occur within the test mixes, which may in turn be related to the properties and performance of the waste form. These measurements showed that increased sodium concentration in the salt solution reduced the time to peak heat flow, and reducing the amount of slag in the premix increased the time to peak heat flow. These observations may help to describe some of the cured properties of the samples, in particular the differences in compressive strength observed after 28 and 90 days of curing. Samples were cured for at least 28 days at ambient temperature in the laboratory prior to cured properties analyses. The low activity waste form for disposal at the Hanford Site is required to have a compressive strength of at least 500 psi. After 28 days of curing, several of the test mixes had mean compressive strengths that were below the 500 psi requirement. Higher sodium concentrations and higher water to premix ratios led to reduced compressive strength. Higher fly ash concentrations decreased the compressive strength after 28 days of curing. This may be explained in that the cementitious phases matured more quickly in the mixes with higher concentrations of slag, as evidenced by the data for the time to peak heat generation. All of the test mixes exhibited higher mean compressive strengths after 90 days of curing, with only one composition having a mean compressive strength of less than 500 psi. Leach indices were determined for the test mixes for contaminants of interest. The leaching performance of the mixes evaluated in this study was not particularly sensitive to the factors used in the experimental design. This may be beneficial in demonstrating that the performance of the waste form is robust with respect to changes in the mix composition. The results of this study demonstrate the potential to achieve significantly higher waste loadings in Cast Stone and other low temperature, cementitious waste forms. Additional work is needed to elucidate the hydration mechanisms occurring in Cast Stone formulated with highly concentrated salt solutions since these reactions are responsible for determining the performance of the cured waste form. The thermal analyses completed in this study provide some preliminary insight, although the limited

  12. Residential propane price increases

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming Dry Natural GasNaturalOctoberheating oilpropanepropane price increases

  13. Residential propane price increases

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming Dry Natural GasNaturalOctoberheating oilpropanepropane price increases4,

  14. Residential propane prices increase

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming Dry Natural GasNaturalOctoberheating13, 2014propane prices increase The

  15. Residential propane prices increase

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming Dry Natural GasNaturalOctoberheating13, 2014propane prices increase

  16. Diesel prices increase nationally

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming Dry Natural GasNatural Gas UsageDiesel prices increase nationally The

  17. Diesel prices slightly increase

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming Dry Natural GasNatural Gas UsageDiesel prices increaseDieselDieselDiesel

  18. Phase Structure of Higher Spin Black Holes

    E-Print Network [OSTI]

    Abhishek Chowdhury; Arunabha Saha

    2015-02-12

    We revisit the study of the phase structure of higher spin black holes carried out in arXiv$:1210.0284$ using the "canonical formalism". In particular we study the low as well as high temperature regimes. We show that the Hawking-Page transition takes place in the low temperature regime. The thermodynamically favoured phase changes from conical surplus to black holes and then again to conical surplus as we increase temperature. We then show that in the high temperature regime the diagonal embedding gives the appropriate description. We also give a map between the parameters of the theory near the IR and UV fixed points. This makes the "good" solutions near one end map to the "bad" solutions near the other end and vice versa.

  19. On naked singularities in higher dimensional Vaidya space-times

    E-Print Network [OSTI]

    S. G. Ghosh; Naresh Dadhich

    2001-05-28

    We investigate the end state of gravitational collapse of null fluid in higher dimensional space-times. Both naked singularities and black holes are shown to be developing as final outcome of the collapse. The naked singularity spectrum in collapsing Vaidya region (4D) gets covered with increase in dimensions and hence higher dimensions favor black hole in comparison to naked singularity. The Cosmic Censorship Conjecture will be fully respected for a space of infinite dimension.

  20. Higher order integral stark-type conjectures

    E-Print Network [OSTI]

    Emmons, Caleb J.

    2006-01-01

    D . Popescu. Rubin's integral refinement of the abelianS A N DIEGO Higher Order Integral Stark-Type Conjectures ADISSERTATION Higher Order Integral Stark-Type Conjectures by

  1. States & Energy Efficiency in Higher Education

    Broader source: Energy.gov [DOE]

    This presentation, given through the DOE's Technical Assitance Program (TAP), provides information on States & Energy Efficiency in Higher Education.

  2. States & Energy Efficiency in Higher Education

    Broader source: Energy.gov [DOE]

    This presentation, given through the DOE's Technical Assistance Program (TAP), provides information on States & Energy Efficiency in Higher Education.

  3. Regulation of cyclic and linear electron flow in higher plants

    E-Print Network [OSTI]

    Regulation of cyclic and linear electron flow in higher plants Pierre Joliota,1 and Giles N operate in two modes. In the linear mode, electrons are trans- ferred from water to NADP via three major by Pierre A. Joliot, June 27, 2011 (sent for review May 3, 2011) Cyclic electron flow is increasingly

  4. TWISTING COCHAINS AND HIGHER TORSION KIYOSHI IGUSA

    E-Print Network [OSTI]

    Igusa, Kiyoshi

    of them is a higher algebraic K-theory class measured by higher FR torsion. Flat superconnections are also-theory 8 4. Higher FR torsion 10 5. Flat superconnections 12 6. Forms as operators 15 7. Chen's iterated) It is a combinatorial flat Z graded superconnection. 2000 Mathematics Subject Classification. Primary 57R22, Secondary

  5. Naked singularities in higher dimensional Vaidya space-times

    SciTech Connect (OSTI)

    Ghosh, S. G.; Dadhich, Naresh

    2001-08-15

    We investigate the end state of the gravitational collapse of a null fluid in higher-dimensional space-times. Both naked singularities and black holes are shown to be developing as the final outcome of the collapse. The naked singularity spectrum in a collapsing Vaidya region (4D) gets covered with the increase in dimensions and hence higher dimensions favor a black hole in comparison to a naked singularity. The cosmic censorship conjecture will be fully respected for a space of infinite dimension.

  6. Higher-Dimensional Bell Inequalities with Noisy Qudits

    E-Print Network [OSTI]

    Elena Polozova; Frederick W. Strauch

    2015-08-28

    Generalizations of the classic Bell inequality to higher dimensional quantum systems known as qudits are reputed to exhibit a higher degree of robustness to noise, but such claims are based on one particular noise model. We analyze the violation of the Collins-Gisin-Linden-Massar-Popescu inequality subject to more realistic noise sources and their scaling with dimension. This analysis is inspired by potential Bell inequality experiments with superconducting resonator-based qudits. We find that the robustness of the inequality to noise generally decreases with increasing qudit dimension.

  7. Universal Lie formulas for higher antibrackets

    E-Print Network [OSTI]

    Manetti, Marco

    2015-01-01

    We prove that the hierachy of higher antibrackets (aka higher Koszul brackets, aka Koszul braces) of a linear operator D on a commutative superalgebra can be defined by some universal formulas involving iterated Nijenhuis-Richardson brackets having as arguments D and the multiplication operators. As a byproduct we can immediately extend higher antibrackets to noncommutative algebras in a way preserving the validity of generalized Jacobi identities.

  8. MOTIVIC STRUCTURES ON HIGHER HOMOTOPY GROUPS OF ...

    E-Print Network [OSTI]

    2015-01-31

    In this note, we show the existence of motivic structures on certain objects arising from ... Motivic structure on higher homotopy of the nilpotent spaces. 14. 4.3.

  9. Emerging National Concerns for Higher Education

    E-Print Network [OSTI]

    Emerging National Concerns for Higher Education (and Welcome Back) 2014 Annual Faculty Conference old news The STEM tide has been kind to us The Energy boom plays to our strengths #12;7 Public debt capacity for campuses July 2014, Moody's "negative outlook for US Higher Education What

  10. Increasing computational demands in data centers require facilities to operate at higher ambient temperatures and at higher power densities. Conventionally, data centers are cooled with electrically-

    E-Print Network [OSTI]

    to an absorption chiller. This dissertation performs a detailed analysis of the exergy of a processor and determines the maximum amount of energy utilizable for work. Exergy as a source of realizable work is separated into its two contributing constituents: thermal exergy and informational exergy. The informational

  11. Resonant radiation from oscillating higher order solitons

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

    Driben, R.; Yulin, A. V.; Efimov, A.

    2015-07-15

    We present radiation mechanism exhibited by a higher order soliton. In a course of its evolution the higher-order soliton emits polychromatic radiation resulting in formation of multipeak frequency comb-like spectral band. The shape and spectral position of this band can be effectively controlled by the relative strength of the third order dispersion. An analytical description is corroborated by numerical simulations. Research showed that for longer pulses the described effect persists also under the action of higher order perturbations such as Raman and self-steepening.

  12. Proof Transformations in Higher-Order Logic

    E-Print Network [OSTI]

    Spirtes, Peter

    is given and its partial correctness is proven. Strong termination of this al- gorithm remains a conjectureProof Transformations in Higher-Order Logic Frank Pfenning January 1987 Submitted in partial

  13. Primordial nucleosynthesis in higher dimensional cosmology

    E-Print Network [OSTI]

    S. Chatterjee

    2009-11-13

    We investigate nucleosynthesis and element formation in the early universe in the framework of higher dimensional cosmology. For this purpose we utilize a previous solution of the present author, which may be termed as the generalized Friedmann-Robertson-Walker model. We find that temperature decays less rapidly in higher dimensional cosmology, which we believe may have nontrivial consequences \\emph{vis-a-vis} primordial physics.

  14. Higher harmonics generation in relativistic electron beam with virtual cathode

    SciTech Connect (OSTI)

    Kurkin, S. A., E-mail: KurkinSA@gmail.com; Badarin, A. A.; Koronovskii, A. A.; Hramov, A. E. [Saratov State Technical University, Politechnicheskaja 77, Saratov 410028, Russia and Saratov State University, Astrakhanskaja 83, Saratov 410012 (Russian Federation)

    2014-09-15

    The study of the microwave generation regimes with intense higher harmonics taking place in a high-power vircator consisting of a relativistic electron beam with a virtual cathode has been made. The characteristics of these regimes, in particular, the typical spectra and their variations with the change of the system parameters (beam current, the induction of external magnetic field) as well as physical processes occurring in the system have been analyzed by means of 3D electromagnetic simulation. It has been shown that the system under study demonstrates the tendency to the sufficient growth of the amplitudes of higher harmonics in the spectrum of current oscillations in the VC region with the increase of beam current. The obtained results allow us to consider virtual cathode oscillators as promising high power mmw-to-THz sources.

  15. Task and Machine Heterogeneities: Higher Moments Matter

    E-Print Network [OSTI]

    Maciejewski, Anthony A. "Tony"

    Task and Machine Heterogeneities: Higher Moments Matter Abdulla M. Al-Qawasmeh 1 , Anthony A.potter}@colostate.edu jtsmith@digitalglobe.com Abstract - One type of heterogeneous computing (HC) systems consists of machines in this matrix represents the ETC of a specific task on a specific machine when executed exclusively. Heuristics

  16. Constraining Higher Derivative Supergravity with Scattering Amplitudes

    E-Print Network [OSTI]

    Yifan Wang; Xi Yin

    2015-03-05

    We study supersymmetry constraints on higher derivative deformations of type IIB supergravity by consideration of superamplitudes. Combining constraints of on-shell supervertices and basic results from string perturbation theory, we give a simple argument for the non-renormalization theorem of Green and Sethi, and some of its generalizations.

  17. Higher-order closures and cloud parameterizations

    E-Print Network [OSTI]

    Higher-order closures and cloud parameterizations Jean-Christophe Golaz National Research Council moments directly. These prognostic equations introduce new terms that must be closed. #12;What't know whether to transport smoke up or down at the next timestep. Larson 1999 #12;Outline · What

  18. Broadband, Higher Education and Rural New Mexico

    E-Print Network [OSTI]

    Maccabe, Barney

    Broadband, Higher Education and Rural New Mexico Gil Gonzales, Ph.D., Chief Information Officer University of New Mexico, Albuquerque, NM 87131 E mail: gonzgil@unm.edu Background UNM students enjoy the country do. New Mexico is also home to two national laboratories in Los Alamos (Los Alamos National

  19. Regulation XVIII: GENERAL REGULATIONS FOR HIGHER DEGREES,

    E-Print Network [OSTI]

    Regulation XVIII: GENERAL REGULATIONS FOR HIGHER DEGREES, POSTGRADUATE DIPLOMAS AND POSTGRADUATE CERTIFICATES SCOPE OF THESE REGULATIONS 1. These Regulations apply to the Degree of PhD in all Faculties in all Faculties Postgraduate Certificates in all Faculties. 2. These Regulations are subject

  20. Higher Derivative D-brane Couplings 

    E-Print Network [OSTI]

    Guo, Guangyu

    2012-10-19

    supersymmetry. In the third part, we obtain the higher derivative D-brane action by using both linearized T-duality and string disc amplitude computation. We evaluate disc amplitude of one R-R field C^(p-3) and two NS-NS fields in the presence of a single Dp...

  1. Seismic imaging using higher order statistics 

    E-Print Network [OSTI]

    Srinivasan, Karthik

    1999-01-01

    the resulting algorithm is a cross-correlation (second order statistics) operation whose region of support is limited to the bandwidth of the source signal. This is not the case for non-vanishing higher order cumulates where the support region can be extended...

  2. Construction of Higher Order Finite Element with

    E-Print Network [OSTI]

    Kern, Michel

    ' & $ % Construction of Higher Order Finite Element with Mass Lumping Using Computer Algebra. (3D, combinatorial analysis, new third order element) 2 #12; ' & $ % Guidelines for the construction of nodes must be ~ P k unisolvent. 2. Finite element must be continuous. 3. Quadrature formula must satisfy

  3. Osteopontin-mediated neutrophilic infiltration and higher liver injury in a female rodent alcoholic steatohepatitis model 

    E-Print Network [OSTI]

    Banerjee, Atrayee

    2009-05-15

    the increased susceptibility of females to alcoholic steatohepatitis (ASH). Female rats in ASH model were found to have significantly higher neutrophilic infiltration in the liver as compared to the males. Osteopontin (OPN), a member of the SIBLING family...

  4. IGS Poll on economic issues finds Californians oppose higher gas taxes, registration fees

    E-Print Network [OSTI]

    Institute of Governmental Studies, UC Berkeley

    2015-01-01

    increasing those taxes to pay for road repairs? Told Aboutfor higher taxes to generate revenue for road repair, whichthe gas tax and vehicle registration fees to pay for road

  5. Transgenic algae engineered for higher performance

    DOE Patents [OSTI]

    Unkefer, Pat J; Anderson, Penelope S; Knight, Thomas J

    2014-10-21

    The present disclosure relates to transgenic algae having increased growth characteristics, and methods of increasing growth characteristics of algae. In particular, the disclosure relates to transgenic algae comprising a glutamine phenylpyruvate transaminase transgene and to transgenic algae comprising a glutamine phenylpyruvate transaminase transgene and a glutamine synthetase.

  6. 4, 49995017, 2004 Increased Northern

    E-Print Network [OSTI]

    Boyer, Edmond

    that strong boreal forest fires in the HNH induced the increased CO burdens. 1. Introduction The importance forest fires, Andreae and Merlet, 2001). This is much larger than the global contribution from Tg/year) or from methane oxidation (760 Tg/year). The CO emission from HNH boreal forest fires

  7. Does integration increase life satisfaction?

    E-Print Network [OSTI]

    Koczan, Zs

    2013-04-19

    groups with no spillovers, especially due to changes in residence permit regulations. Changes could also be seen more as a process than an abrupt jump, as reflected by the gradual increase in naturalizations in the early 1990s. 21 alized naturalization...

  8. band density of states whereas the higher energy side is deter-mined by the thermal distribution. With increasing tem-

    E-Print Network [OSTI]

    Chen, Sheng

    . wavelength, pm ~ Fig. 4 Demonstration ofthe application ofan InAs, -.Sb, light emitting diode as a CO, sensor light emitting diodes on GaAs or Si substrates. The devices readily result in a new generation of infra

  9. Higher rank stable pairs and virtual localization

    E-Print Network [OSTI]

    Artan Sheshmani

    2015-02-08

    We introduce a higher rank analog of the Pandharipande-Thomas theory of stable pairs on a Calabi-Yau threefold $X$. More precisely, we develop a moduli theory for frozen triples given by the data $O^r(-n)\\rightarrow F$ where $F$ is a sheaf of pure dimension 1. The moduli space of such objects does not naturally determine an enumerative theory: that is, it does not naturally possess a perfect symmetric obstruction theory. Instead, we build a zero-dimensional virtual fundamental class by hand, by truncating a deformation-obstruction theory coming from the moduli of objects in the derived category of $X$. This yields the first deformation-theoretic construction of a higher-rank enumerative theory for Calabi-Yau threefolds. We calculate this enumerative theory for local $\\mathbb{P}^1$ using the Graber-Pandharipande virtual localization technique.

  10. Higher modulus compositions incorporating particulate rubber

    DOE Patents [OSTI]

    McInnis, E.L.; Scharff, R.P.; Bauman, B.D.; Williams, M.A.

    1995-01-17

    Rubber particles, to be used as fillers or extenders for various composite polymer systems, are chlorinated by a gas-solid phase reaction with a chlorine-containing gas. A composite polymer containing the chlorinated rubber fillers or extenders exhibits a higher flexural modulus than if prepared using an unchlorinated rubber filler or extender. Chlorination of the rubber particles is carried out by contacting the finely divided rubber particles with a chlorine-containing gas comprising at least about 5 volume percent chlorine. Advantageously, the chlorine can be diluted with air, nitrogen or other essentially inert gases and may contain minor amounts of fluorine. Improved performance is obtained with nitrogen dilution of the chlorine gas over air dilution. Improved polymer composite systems having higher flexural modulus result from the use of the chlorinated rubber particles as fillers instead of unchlorinated rubber particles. 2 figures.

  11. Enhanced Coset Symmetries and Higher Derivative Corrections

    E-Print Network [OSTI]

    Neil Lambert; Peter West

    2006-08-17

    After dimensional reduction to three dimensions, the lowest order effective actions for pure gravity, M-theory and the Bosonic string admit an enhanced symmetry group. In this paper we initiate study of how this enhancement is affected by the inclusion of higher derivative terms. In particular we show that the coefficients of the scalar fields associated to the Cartan subalgebra are given by weights of the enhanced symmetry group.

  12. Higher Efficiency HVAC Motors | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum12,ExecutiveFinancingR Walls - Building America Topa HighHigher Efficiency HVAC

  13. A new formulation of higher parallel transport in higher gauge theory

    E-Print Network [OSTI]

    Emanuele Soncini; Roberto Zucchini

    2014-10-03

    In this technical paper, we present a new formulation of higher parallel transport in strict higher gauge theory required for the rigorous construction of Wilson lines and surfaces. Our approach is based on an original notion of Lie crossed module cocycle and cocycle 1- and 2-gauge transformation with a non standard double category theoretic interpretation. We show its equivalence to earlier formulations.

  14. Cost increases at fusion project going critical David Kramer

    E-Print Network [OSTI]

    be used to upgrade biofuels to higher energy content or to reduce CO2 Cost increases at fusion project going critical David Kramer Citation: Phys. Today 66(7), 24 (2013 Physics Today www.physicstoday.org issues and events H ow much will it cost to build what could well

  15. Diesel prices continue to increase

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming Dry Natural GasNatural Gas Usage FormDiesel prices continue to increase

  16. Higher Order Deformations of Complex Structures

    E-Print Network [OSTI]

    Eric D'Hoker; Duong H. Phong

    2015-06-23

    Deformations of complex structures by finite Beltrami differentials are considered on general Riemann surfaces. Exact formulas to any fixed order are derived for the corresponding deformations of the period matrix, Green's functions, and correlation functions in conformal field theories with vanishing total central charge. The stress tensor is shown to give a simple representation of these deformations valid to all orders. Such deformation formulas naturally enter into the evaluation of superstring amplitudes at two-loop order with Ramond punctures, and at higher loop order, in the supergravity formulation of the RNS superstring.

  17. Higher Order Deformations of Complex Structures

    E-Print Network [OSTI]

    D'Hoker, Eric

    2015-01-01

    Deformations of complex structures by finite Beltrami differentials are considered on general Riemann surfaces. Exact formulas to any fixed order are derived for the corresponding deformations of the period matrix, Green's functions, and correlation functions in conformal field theories with vanishing total central charge. The stress tensor is shown to give a simple representation of these deformations valid to all orders. Such deformation formulas naturally enter into the evaluation of superstring amplitudes at two-loop order with Ramond punctures, and at higher loop order, in the supergravity formulation of the RNS superstring.

  18. Higher-Spin Geometry and String Theory

    E-Print Network [OSTI]

    D. Francia; A. Sagnotti

    2006-02-14

    The theory of freely-propagating massless higher spins is usually formulated via gauge fields and parameters subject to trace constraints. We summarize a proposal allowing to forego them by introducing only a pair of additional fields in the Lagrangians. In this setting, external currents satisfy usual Noether-like conservation laws, the field equations can be nicely related to those emerging from Open String Field Theory in the low-tension limit, and if the additional fields are eliminated without reintroducing the constraints a geometric, non-local description of the theory manifests itself.

  19. Universality in higher order spin noise spectroscopy

    E-Print Network [OSTI]

    Li, Fuxiang

    2015-01-01

    Higher order time-correlators of spontaneous spin fluctuations reveal the information about spin interactions. We argue that in a broad class of spin systems one can justify a phenomenological approach to explore such correlators. Thus, we predict that the 3rd and 4th order spin cumulants are described by a universal function that can be parametrized by a small set of parameters. We show that the fluctuation theorem constrains this function so that such correlators are fully determined by lowest nonlinear corrections to the free energy and the mean and variance of microscopic spin currents. We also provide an example of microscopic calculations for conduction electrons.

  20. Brief review on higher spin black holes

    E-Print Network [OSTI]

    Alfredo Perez; David Tempo; Ricardo Troncoso

    2014-05-12

    We review some relevant results in the context of higher spin black holes in three-dimensional spacetimes, focusing on their asymptotic behaviour and thermodynamic properties. For simplicity, we mainly discuss the case of gravity nonminimally coupled to spin-3 fields, being nonperturbatively described by a Chern-Simons theory of two independent sl(3,R) gauge fields. Since the analysis is particularly transparent in the Hamiltonian formalism, we provide a concise discussion of their basic aspects in this context; and as a warming up exercise, we briefly analyze the asymptotic behaviour of pure gravity, as well as the BTZ black hole and its thermodynamics, exclusively in terms of gauge fields. The discussion is then extended to the case of black holes endowed with higher spin fields, briefly signaling the agreements and discrepancies found through different approaches. We conclude explaining how the puzzles become resolved once the fall off of the fields is precisely specified and extended to include chemical potentials, in a way that it is compatible with the asymptotic symmetries. Hence, the global charges become completely identified in an unambiguous way, so that different sets of asymptotic conditions turn out to contain inequivalent classes of black hole solutions being characterized by a different set of global charges.

  1. Higher Spins in Hyper-Superspace

    E-Print Network [OSTI]

    Ioannis Florakis; Dmitri Sorokin; Mirian Tsulaia

    2014-12-04

    We extend the results of arXiv:1401.1645 on the generalized conformal Sp(2n)-structure of infinite multiplets of higher spin fields, formulated in spaces with extra tensorial directions (hyperspaces), to the description of OSp(1|2n)-invariant infinite-dimensional higher-spin supermultiplets formulated in terms of scalar superfields on flat hyper-superspaces and on OSp(1|n) supergroup manifolds. We find generalized superconformal transformations relating the superfields and their equations of motion in flat hyper-superspace with those on the OSp(1|n) supermanifold. We then use these transformations to relate the two-, three- and four-point correlation functions of the scalar superfields on flat hyperspace, derived by requiring the OSp(1|2n) invariance of the correlators, to correlation functions on the OSp(1|n) group manifold. As a byproduct, for the simplest particular case of a conventional N=1, D=3 superconformal theory of scalar superfields, we also derive correlation functions of component fields of the scalar supermultiplet including those of auxiliary fields.

  2. Electro-autotrophic synthesis of higher alcohols

    DOE Patents [OSTI]

    Liao, James C.; Cho, Kwang Myung

    2015-10-06

    The disclosure provides a process that converts CO.sub.2 to higher alcohols (e.g. isobutanol) using electricity as the energy source. This process stores electricity (e.g. from solar energy, nuclear energy, and the like) in liquid fuels that can be used as high octane number gasoline substitutes. Instead of deriving reducing power from photosynthesis, this process derives reducing power from electrically generated mediators, either H.sub.2 or formate. H.sub.2 can be derived from electrolysis of water. Formate can be generated by electrochemical reduction of CO.sub.2. After delivering the reducing power in the cell, formate becomes CO.sub.2 and recycles back. Therefore, the biological CO.sub.2 fixation process can occur in the dark.

  3. Naked Singularities in Higher Dimensional Gravitational Collapse

    E-Print Network [OSTI]

    Asit Banerjee; Ujjal Debnath; Subenoy Chakraborty

    2003-02-28

    Spherically symmetric inhomogeneous dust collapse has been studied in higher dimensional space-time and the factors responsible for the appearance of a naked singularity are analyzed in the region close to the centre for the marginally bound case. It is clearly demonstrated that in the former case naked singularities do not appear in the space-time having more than five dimension, which appears to a strong result. The non-marginally bound collapse is also examined in five dimensions and the role of shear in developing naked singularities in this space-time is discussed in details. The five dimensional space-time is chosen in the later case because we have exact solution in closed form only in five dimension and not in any other case.

  4. Conformal higher-order viscoelastic fluid mechanics

    E-Print Network [OSTI]

    Masafumi Fukuma; Yuho Sakatani

    2012-05-28

    We present a generally covariant formulation of conformal higher-order viscoelastic fluid mechanics with strain allowed to take arbitrarily large values. We give a general prescription to determine the dynamics of a relativistic viscoelastic fluid in a way consistent with the hypothesis of local thermodynamic equilibrium and the second law of thermodynamics. We then elaborately study the transient time scales at which the strain almost relaxes and becomes proportional to the gradients of velocity. We particularly show that a conformal second-order fluid with all possible parameters in the constitutive equations can be obtained without breaking the hypothesis of local thermodynamic equilibrium, if the conformal fluid is defined as the long time limit of a conformal second-order viscoelastic system. We also discuss how local thermodynamic equilibrium could be understood in the context of the fluid/gravity correspondence.

  5. Gravitational Interactions of Higher-Spin Fermions

    E-Print Network [OSTI]

    Marc Henneaux; Gustavo Lucena Gomez; Rakibur Rahman

    2014-09-14

    We investigate the cubic interactions of a massless higher-spin fermion with gravity in flat space and present covariant 2-s-s vertices, compatible with the gauge symmetries of the system, preserving parity. This explicit construction relies on the BRST deformation scheme that assumes locality and Poincare invariance. Consistent nontrivial cubic deformations exclude minimal gravitational coupling and may appear only with a number of derivatives constrained in a given range. Derived in an independent manner, our results do agree with those obtained from the light-cone formulation or inspired by string theory. We also show that none of the Abelian vertices deform the gauge transformations, while all the non-Abelian ones are obstructed in a local theory beyond the cubic order.

  6. Security enhanced with increased vehicle inspections

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

    Security enhanced with increased vehicle inspections Security measures increase as of March: vehicle inspections won't delay traffic New increased security procedures meet LANL's...

  7. Higher modulus compositions incorporating particulate rubber

    DOE Patents [OSTI]

    Bauman, Bernard D. (Emmaus, PA); Williams, Mark A. (Souderton, PA)

    1999-01-01

    A plastic article having a number of surfaces with at least one surface being modified by contacting that surface with a reactive gas atmosphere containing F.sub.2, Cl.sub.2, O.sub.2, Ozone, SO.sub.3, oxidative acids, or mixtures thereof, at a temperature and gas partial pressure sufficient to increase the surface energy of the at least one surface being modified to at least 40 dynes/cm at a temperature of 20.degree. C., to enhance bonding of non-slip polymer coatings to the modified surface, to which coatings elastomeric or rigid particles may be admixed for imparting a surface profile and increasing the coefficient of friction between the coated surface and the counter-surface.

  8. Energy Department Announces Funding to Access Higher Quality...

    Office of Environmental Management (EM)

    Energy Department Announces Funding to Access Higher Quality Wind Resources and Lower Costs Energy Department Announces Funding to Access Higher Quality Wind Resources and Lower...

  9. Technological Opportunities to Increase the Proliferation Resistance...

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

    Opportunities to Increase the Proliferation Resistance of Global Civilian Nuclear Power Systems (TOPS) Technological Opportunities to Increase the Proliferation...

  10. Innovated Higher Criticism for Detecting Sparse Signals in Correlated Noise

    E-Print Network [OSTI]

    Jin, Jiashun

    - though first proposed in cases where the noise variables are independent, Higher Criti- cism also has

  11. Algebra+Homotopy=Higher structures Operadic homotopical algebra

    E-Print Network [OSTI]

    Vallette, Bruno

    Algebra+Homotopy=Higher structures Operadic homotopical algebra Rewriting method Higher Algebra via-Louis Curien (Venezia, September 10, 2013) Bruno Vallette (Universit´e Nice Sophia-Antipolis) Higher Algebra via Rewriting of Trees #12;Algebra+Homotopy=Higher structures Operadic homotopical algebra Rewriting

  12. Report: Natural Gas Infrastructure Implications of Increased...

    Energy Savers [EERE]

    Natural Gas Infrastructure Implications of Increased Demand from the Electric Power Sector Report: Natural Gas Infrastructure Implications of Increased Demand from the Electric...

  13. New Sensor Network Technology Increases Manufacturing Efficiency...

    Office of Environmental Management (EM)

    Sensor Network Technology Increases Manufacturing Efficiency New Sensor Network Technology Increases Manufacturing Efficiency April 11, 2013 - 12:00am Addthis EERE supported Eaton...

  14. Environmental Impacts of Increased Hydroelectric Development...

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

    Impacts of Increased Hydroelectric Development at Existing Dams Environmental Impacts of Increased Hydroelectric Development at Existing Dams This report describes the...

  15. Connecticut's Health Impact Study Rapidly Increasing Weatherization...

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

    Connecticut's Health Impact Study Rapidly Increasing Weatherization Efforts Connecticut's Health Impact Study Rapidly Increasing Weatherization Efforts June 18, 2014 - 10:49am...

  16. Fact #657: January 10, 2011 Record Increase for New Light Vehicle Fuel Economy

    Broader source: Energy.gov [DOE]

    The sales-weighted fuel economy average of all light vehicles sold in model year (MY) 2009 was 1.4 miles per gallon (mpg) higher than MY2008. This is the largest annual increase in fuel economy...

  17. Effect of higher water vapor content on TBC performance

    SciTech Connect (OSTI)

    Pint, Bruce A; Haynes, James A

    2012-01-01

    Coal gasification, or IGCC (integrated gasification combined cycle), is one pathway toward cleaner use of coal for power generation with lower emissions. However, when coal-derived synthesis gas (i.e., syngas) is burned in turbines designed for natural gas, turbine manufacturers recommend 'derating,' or lowering the maximum temperature, which lowers the efficiency of the turbine, making electricity from IGCC more expensive. One possible reason for the derating is the higher water vapor contents in the exhaust gas. Water vapor has a detrimental effect on many oxidation-resistant high-temperature materials. In a turbine hot section, Ni-base superalloys are coated with a thermal barrier coating (TBC) allowing the gas temperature to be higher than the superalloy solidus temperature. TBCs have a low thermal conductivity ceramic top coating (typically Y{sub 2}O{sub 3}-stabilized ZrO{sub 2}, or YSZ) and an oxidation-resistant metallic bond coating. For land-based gas turbines, the industry standard is air plasma sprayed (APS) YSZ and high velocity oxygen fuel (HVOF) sprayed NiCoCrAlY bond coatings. To investigate the role of higher water vapor content on TBC performance and possible mitigation strategies, furnace cycling experiments were conducted in dry O{sub 2} and air with 10% (typical with natural gas or jet fuel) or 50 vol% water vapor. Cycle frequency and temperature were accelerated to one hour at 1100 C (with 10 minute cooling to {approx}30 C between each thermal cycle) to induce early failures in coatings that are expected to operate for several years with a metal temperature of {approx}900 C. Coupons (16 mm diameter x 2 mm thick) of commercial second-generation single crystal superalloy CMSX4 were HVOF coated on both sides with {approx}125 {micro}m of Ni-22wt%Co-17Cr-12Al either with 0.7Y or 0.7Y-0.3Hf-0.4Si. One side was then coated with 190-240 {micro}m of APS YSZ. Coatings were cycled until the YSZ top coating spalled. Figure 2 shows the results of the initial phase of experiments. Compared to dry O{sub 2}, the addition of 10% water vapor decreased the lifetime of MCrAlY by {approx}30% for the conventional CMSX4 substrates. Higher average lifetimes were observed with Hf in the bond coating, but a similar decrease in lifetime was observed when water vapor was added. The addition of Y and La to the superalloy substrate did not change the YSZ lifetime with 10% water vapor. However, increasing water vapor content from 10 to 50% did not further decrease the lifetime of either bond coating with the doped superalloy substrate. Thus, these results suggest that higher water vapor contents cannot explain the derating of syngas-fired turbines, and other factors such as sulfur and ash from imperfect syngas cleanup (or upset conditions) need to be explored. Researchers continue to study effects of water vapor on thermally grown alumina scale adhesion and growth rate, and are looking for bond coating compositions more resistant to oxidation in the presence of water vapor.

  18. The stress of parenthood? Increased glucocorticoids

    E-Print Network [OSTI]

    Bonier, Fran

    - dition, with low relative fitness. However, when greater reproductive effort increases energe- tic

  19. SUPERCONNECTIONS AND HIGHER INDEX THEORY Department of Mathematics

    E-Print Network [OSTI]

    Lott, John

    SUPERCONNECTIONS AND HIGHER INDEX THEORY John Lott Department of Mathematics University of Michigan of the "higher" index of a Dirac-type operator on M. Using superconnections, we give a heat equation proof

  20. Higher Derivative Corrections to O-Plane Actions 

    E-Print Network [OSTI]

    Wang, Zhao

    2014-11-17

    Higher derivative corrections to effective actions are very important and of great interest in string theory. The aim of this dissertation is to develop a method to constrain the higher derivative corrections to O-plane ...

  1. Learning to Grow? Connecting Higher Education and Economic Development 

    E-Print Network [OSTI]

    Hutchinson, Annabelle

    2014-09-19

    Across the United States today, various groups of people are asking similar questions regarding the state of higher education policy. Policy makers at state capitals are questioning the value of higher education in their ...

  2. Development of Large Format Lithium Ion Cells with Higher Energy...

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

    Large Format Lithium Ion Cells with Higher Energy Density Exceeding 500WhL Development of Large Format Lithium Ion Cells with Higher Energy Density Exceeding 500WhL 2012 DOE...

  3. NEURODYNAMIC CORRELATES OF HIGHER COGNITION AND CONSCIOUSNESS — EDITORIAL

    E-Print Network [OSTI]

    Kozma, Robert; Caulfield, H John

    2009-01-01

    Higher Cognitive Functions was provided by World Scientific.Access to World Scientific is possible through the

  4. UPGRADING THE CEBAF INJECTOR WITH A NEW BOOSTER, HIGHER VOLTAGE GUN, AND HIGHER FINAL ENERGY

    SciTech Connect (OSTI)

    Reza Kazimi, Arne Freyberger, Alicia Hofler, Andrew Hutton, Fay Hannon

    2012-07-01

    The Continuous Electron Beam Accelerator Facility (CEBAF) accelerator at Jefferson Lab will be upgraded from 6 GeV to 12 GeV in the next few years. To meet the requirement of the new machine and to take the opportunity to improve the beam quality, the CEBAF injector will be upgraded with a higher voltage gun, a new booster, and a new accelerating RF module. The CEBAF injector creates and accelerates three beams at different currents simultaneously. The beams are interleaved, each at one third of the RF frequency, traveling through the same beam line. The higher voltage gun will lower the space charge effects. The new booster with optimized beam dynamics will complete the bunching process and provide initial acceleration matched to the new gun voltage. Using our latest SRF design, the new booster has significantly lower x/y coupling effects that should improve our beam setup and operation for the highly sensitive parity experiments scheduled for the CEBAF's future. Finally, the new accelerating RF module will roughly double the injector final energy to match the rest of the 12 GeV accelerator. In this paper we will provide more detail about this upgrade.

  5. Higher-Order Mass Defect Analysis for Mass Spectra of Complex Organic Mixtures

    SciTech Connect (OSTI)

    Roach, Patrick J.; Laskin, Julia; Laskin, Alexander

    2011-06-15

    Higher-order mass defect analysis is introduced as a unique formula assignment and visualization method for the analysis of complex mass spectra. This approach is an extension of the concepts of Kendrick mass transformation widely used for identification of homologous compounds differing only by a number of base units (e.g., CH2, H2, O, CH2O, etc.) in complex mixtures. We present an iterative renormalization routine for defining higher order homologous series and multidimensional clustering of mass spectral features. This approach greatly simplifies visualization of complex mass spectra and increases the number of chemical formulae that can be confidently assigned for given mass accuracy. The potential for using higher-order mass defects for data reduction and visualization is shown. Higher-order mass defect analysis is described and demonstrated through third-order analysis of a de-isotoped high-resolution mass spectrum of crude oil containing nearly 13,000 peaks.

  6. Understanding the Impact of Higher Corn Prices on Consumer Food Prices

    SciTech Connect (OSTI)

    None

    2007-04-18

    In an effort to assess the true effects of higher corn prices, the National Corn Growers Association (NCGA) commissioned an analysis on the impact of increased corn prices on retail food prices. This paper summarizes key results of the study and offers additional analysis based on information from a variety of other sources.

  7. Page 1 of 3 South Carolina Commission on Higher Education

    E-Print Network [OSTI]

    Kunkle, Tom

    Page 1 of 3 South Carolina Commission on Higher Education Nonpublic Postsecondary Institution the South Carolina Commission on Higher Education. The school director will provide the students with the necessary form. #12;Page 3 of 3 South Carolina Commission on Higher Education Nonpublic Postsecondary

  8. Sipping fuel and saving lives: increasing fuel economy withoutsacrificing safety

    SciTech Connect (OSTI)

    Gordon, Deborah; Greene, David L.; Ross, Marc H.; Wenzel, Tom P.

    2007-06-11

    The public, automakers, and policymakers have long worried about trade-offs between increased fuel economy in motor vehicles and reduced safety. The conclusion of a broad group of experts on safety and fuel economy in the auto sector is that no trade-off is required. There are a wide variety of technologies and approaches available to advance vehicle fuel economy that have no effect on vehicle safety. Conversely, there are many technologies and approaches available to advance vehicle safety that are not detrimental to vehicle fuel economy. Congress is considering new policies to increase the fuel economy of new automobiles in order to reduce oil dependence and reduce greenhouse gas emissions. The findings reported here offer reassurance on an important dimension of that work: It is possible to significantly increase the fuel economy of motor vehicles without compromising their safety. Automobiles on the road today demonstrate that higher fuel economy and greater safety can co-exist. Some of the safest vehicles have higher fuel economy, while some of the least safe vehicles driven today--heavy, large trucks and SUVs--have the lowest fuel economy. At an October 3, 2006 workshop, leading researchers from national laboratories, academia, auto manufacturers, insurance research industry, consumer and environmental groups, material supply industries, and the federal government agreed that vehicles could be designed to simultaneously improve safety and fuel economy. The real question is not whether we can realize this goal, but the best path to get there. The experts' studies reveal important new conclusions about fuel economy and safety, including: (1) Vehicle fuel economy can be increased without affecting safety, and vice versa; (2) Reducing the weight and height of the heaviest SUVs and pickup trucks will simultaneously increase both their fuel economy and overall safety; and (3) Advanced materials can decouple size from mass, creating important new possibilities for increasing both fuel economy and safety without compromising functionality.

  9. Linearity of Climate Response to Increases in Black Carbon Aerosols

    SciTech Connect (OSTI)

    Mahajan, Salil [ORNL; Evans, Katherine J [ORNL; Hack, James J [ORNL; Truesdale, John [National Center for Atmospheric Research (NCAR)

    2013-01-01

    The impact of absorbing aerosols on global climate are not completely understood. Here, we present results of idealized experiments conducted with the Community Atmosphere Model (CAM4) coupled to a slab ocean model (CAM4-SOM) to simulate the climate response to increases in tropospheric black carbon aerosols (BC) by direct and semi-direct effects. CAM4-SOM was forced with 0, 1x, 2x, 5x and 10x an estimate of the present day concentration of BC while maintaining their estimated present day global spatial and vertical distribution. The top of the atmosphere (TOA) radiative forcing of BC in these experiments is positive (warming) and increases linearly as the BC burden increases. The total semi-direct effect for the 1x experiment is positive but becomes increasingly negative for higher BC concentrations. The global average surface temperature response is found to be a linear function of the TOA radiative forcing. The climate sensitivity to BC from these experiments is estimated to be 0.42 K $\\textnormal W^{-1} m^{2}$ when the semi-direct effects are accounted for and 0.22 K $\\textnormal W^{-1} m^{2}$ with only the direct effects considered. Global average precipitation decreases linearly as BC increases, with a precipitation sensitivity to atmospheric absorption of 0.4 $\\%$ $\\textnormal W^{-1} \\textnormal m^{2}$ . The hemispheric asymmetry of BC also causes an increase in southward cross-equatorial heat transport and a resulting northward shift of the inter-tropical convergence zone in the simulations at a rate of 4$^{\\circ}$N $\\textnormal PW^{-1}$. Global average mid- and high-level clouds decrease, whereas the low-level clouds increase linearly with BC. The increase in marine stratocumulus cloud fraction over the south tropical Atlantic is caused by increased BC-induced diabatic heating of the free troposphere.

  10. NEW HIGHER PERFORMANCE LOW COST SELECTIVE SOLAR RADIATION CONTROL COATINGS

    SciTech Connect (OSTI)

    Timothy Ellison; Buddie Dotter; David Tsu

    2003-10-28

    Energy Conversion Devices, Inc., ECD, has developed a new high-speed low-cost process for depositing high quality dielectric optical coatings--Microwave Plasma Enhanced Chemical Vapor Deposition (MPECVD). This process can deposit SiO{sub x} about 10 times faster than the state-of-the-art conventional technology, magnetron sputtering, at about 1/10th the cost. This process is also being optimized for depositing higher refractive index materials such as Si{sub 3}N{sub 4} and TiO{sub 2}. In this program ECD, in collaboration with Southwall Technologies, Inc. (STI), demonstrated that this process can be used to fabricate high performance low cost Selective Solar Radiation Control (SSRC) films for use in the automotive industry. These coatings were produced on thin (2 mil thick) PET substrates in ECD's pilot roll-to-roll pilot MPECVD deposition machine. Such film can be laminated with PVB in a vehicle's windows. This process can also be used to deposit the films directly onto the glass. Such highly selective films, with a visible transmission (T{sub vis}) of > 70% and a shading coefficient of < 60% can significantly reduce the heat entering a car from solar radiation. Consequently, passenger comfort is increased and the energy needed to operate air conditioning (a/c) systems is reduced; consequently smaller a/c systems can be employed resulting in improved vehicle fuel efficiency.

  11. REGULAR ARTICLE Warming and increased precipitation frequency

    E-Print Network [OSTI]

    Neher, Deborah A.

    REGULAR ARTICLE Warming and increased precipitation frequency on the Colorado Plateau: implications in temperature and precipitation are expected to influence ecosystem processes worldwide. Despite their globally how increased temperature and frequency of summertime precipitation affect the contributions of crust

  12. Greenhouse Gas Pollution in the Stratosphere Due to Increasing Airplane Traffic, Effects On the Environment

    E-Print Network [OSTI]

    Murty, Katta G.

    Greenhouse Gas Pollution in the Stratosphere Due to Increasing Airplane Traffic, Effects temperatures have increased much more than can be explained by changes in the concentration of greenhouse gases traffic round the clock and around the globe which is contributing to higher concentrations of greenhouse

  13. Increase of monoterpene emissions from a pine plantation as a result of mechanical disturbances

    E-Print Network [OSTI]

    Goldstein, Allen

    Increase of monoterpene emissions from a pine plantation as a result of mechanical disturbances and emission rates of monoterpenes were measured above a ponderosa pine plantation in the Sierra Nevada chemistry. The increase was mostly because of higher basal emission rates, but small changes

  14. The efficiency of mitochondrial electron transport chain is increased in the long-lived mrg19

    E-Print Network [OSTI]

    Babu, M. Madan

    The efficiency of mitochondrial electron transport chain is increased in the long-lived mrg19 mtROS and contribute to longevity. This increased mitochondrial efficiency (i.e. low mtROS generated the observed higher mito- chondrial efficiency in the long-lived mrg19 mutant of Saccharomyces cerevisiae

  15. Massive Gravity from Higher Derivative Gravity with Boundary Conditions

    E-Print Network [OSTI]

    Minjoon Park; Lorenzo Sorbo

    2012-10-29

    With an appropriate choice of parameters, a higher derivative theory of gravity can describe a normal massive sector and a ghost massless sector. We show that, when defined on an asymptotically de Sitter spacetime with Dirichlet boundary conditions, such a higher derivative gravity can provide a framework for a unitary theory of massive gravity in four spacetime dimensions. The resulting theory is free not only of higher derivative ghosts but also of the Boulware-Deser mode.

  16. Fostering Academic Success among Latino Men in Higher Education

    E-Print Network [OSTI]

    Davila Jr., Omar; Berumen, Juan G.; Baquedano-López, Patricia

    2015-01-01

    California Department of Education. (2014). Enrollment byCalifornia’s future: Higher education. San Francisco, CA:report.pdf National Center for Education Statistics. (2015).

  17. Rutgers University in Newark ACenturyofReachingHigher

    E-Print Network [OSTI]

    Neimark, Alexander V.

    of Reaching Higher #12;The beer brewery is gone, as are the stables and razor-blade factory. In their places

  18. Subject Benchmark UK Quality Code for Higher Education

    E-Print Network [OSTI]

    Haase, Markus

    Subject Benchmark Statement UK Quality Code for Higher Education Part A: Setting and maintaining About Subject Benchmark Statements.................................................................................. 2 About this Subject Benchmark Statement

  19. EVALUATION OF REQUIREMENTS FOR THE DWPF HIGHER CAPACITY CANISTER

    SciTech Connect (OSTI)

    Miller, D.; Estochen, E.; Jordan, J.; Kesterson, M.; Mckeel, C.

    2014-08-05

    The Defense Waste Processing Facility (DWPF) is considering the option to increase canister glass capacity by reducing the wall thickness of the current production canister. This design has been designated as the DWPF Higher Capacity Canister (HCC). A significant decrease in the number of canisters processed during the life of the facility would be achieved if the HCC were implemented leading to a reduced overall reduction in life cycle costs. Prior to implementation of the change, Savannah River National Laboratory (SRNL) was requested to conduct an evaluation of the potential impacts. The specific areas of interest included loading and deformation of the canister during the filling process. Additionally, the effect of the reduced wall thickness on corrosion and material compatibility needed to be addressed. Finally the integrity of the canister during decontamination and other handling steps needed to be determined. The initial request regarding canister fabrication was later addressed in an alternate study. A preliminary review of canister requirements and previous testing was conducted prior to determining the testing approach. Thermal and stress models were developed to predict the forces on the canister during the pouring and cooling process. The thermal model shows the HCC increasing and decreasing in temperature at a slightly faster rate than the original. The HCC is shown to have a 3°F ?T between the internal and outer surfaces versus a 5°F ?T for the original design. The stress model indicates strain values ranging from 1.9% to 2.9% for the standard canister and 2.5% to 3.1% for the HCC. These values are dependent on the glass level relative to the thickness transition between the top head and the canister wall. This information, along with field readings, was used to set up environmental test conditions for corrosion studies. Small 304-L canisters were filled with glass and subjected to accelerated environmental testing for 3 months. No evidence of stress corrosion cracking was indicated on either the canisters or U-bend coupons. Calculations and finite element modeling were used to determine forces over a range of handling conditions along with possible forces during decontamination. While expected reductions in some physical characteristics were found in the HCC, none were found to be significant when compared to the required values necessary to perform its intended function. Based on this study and a review of successful testing of thinner canisters at West Valley Demonstration Project (WVDP), the mechanical properties obtained with the thinner wall do not significantly undermine the ability of the canister to perform its intended function.

  20. Advancing Commercialization of Algal Biofuels through Increased...

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

    through Increased Biomass Productivity and Technical Integration March 25, 2015 Algae Platform Review David Anton, Ph.D., Chief Operating Officer Cellana, LLC This...

  1. Increased Efficiency with Model Based Calibration | Department...

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

    Calibration Increased Efficiency with Model Based Calibration Meeting future TIER 4 emission limits requires the integration of many new technology elements. deer09diewald.pdf...

  2. Increasing Scientific Productivity by Tracking Data

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

    than its predecessor. To effectively meet the increasing scientific demand for storage systems and services, the center's staff must first understand how data moves within the...

  3. BPA proposes rate increase to bolster

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

    the proposed wholesale power rate increase is reduced revenue expectations from surplus power sales. Market prices have been, and are forecast to continue to be, suppressed...

  4. Increasing water holding capacity for irrigation

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

    Increasing water holding capacity for irrigation Reseachers recommend solutions for sediment trapping in irrigation system LANL and SNL leveraged technical expertise to determine...

  5. NREL Research Identifies Increased Potential for Perovskites...

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

    Research Identifies Increased Potential for Perovskites as a Material for Solar Cells October 30, 2015 Scientists at the Energy Department's National Renewable Energy Laboratory...

  6. Terrace housing : providing quality in higher-density housing

    E-Print Network [OSTI]

    Atthakor, Songpol

    1992-01-01

    The higher demand of higher-density housing in Bangkok due to the rapid growth of the economy and the use of high-performance materials and modern construction methods has changed the forms of housing from low-rise buildings ...

  7. Drivers and Barriers for Implementing Sustainable Development in Higher Education

    E-Print Network [OSTI]

    Svenningsson, Josef

    #12;Drivers and Barriers for Implementing Sustainable Development in Higher Education Göteborg for Sustainable Development through Higher Education. The authors are responsible for the choice and presentation.unesco.org/education/desd Education for Sustainable Development in Action Technical Paper N° 3 - 2006 Cover design: Helmut Langer (ED

  8. Termination and Reduction Checking for Higher-Order Logic Programs

    E-Print Network [OSTI]

    Pientka, Brigitte

    Termination and Reduction Checking for Higher-Order Logic Programs Brigitte Pientka Department, we present a syntax-directed termination and reduction checker for higher-order logic programs and output of well-moded predicates. These reduction con- straints are exploited during termination checking

  9. Termination and Reduction Checking for HigherOrder Logic Programs

    E-Print Network [OSTI]

    Pientka, Brigitte

    Termination and Reduction Checking for Higher­Order Logic Programs Brigitte Pientka Department, we present a syntax­directed termination and reduction checker for higher­order logic programs and output of well­moded predicates. These reduction con­ straints are exploited during termination checking

  10. Priming the Pump 2015: Higher Education Video Game Alliance

    E-Print Network [OSTI]

    Ferris, Michael C.

    Priming the Pump 2015: Higher Education Video Game Alliance Survey of Program Graduates #12;From in March 2015 ­ Higher Education Video Game Alliance Survey 2014-15: Our State of Play ­ we now release our Game Alliance Survey of Program Graduates. This " rst-of-its-kind" survey reveals the value that our

  11. Higher Prices from Entry: Pricing of Brand-Name Drugs

    E-Print Network [OSTI]

    Perloff, Jeffrey M.

    Higher Prices from Entry: Pricing of Brand-Name Drugs Jeffrey M. Perloffa Valerie Y. Suslowb,* Paul product, the prices of existing and new products may be higher than the incumbent's original price due to a better match between consumers and products. In other words, the average price in the market can rise

  12. Higher Spin Currents in Wolf Space: Part III

    E-Print Network [OSTI]

    Changhyun Ahn

    2015-04-01

    The large N=4 linear superconformal algebra (generated by four spin-1/2 currents, seven spin-1 currents, four spin-3/2 currents and one spin-2 current) found by Sevrin, Troost and Van Proeyen (and other groups) was realized in the N=4 superconformal coset SU(5)/SU(3) theory previously. The lowest 16 higher spin currents of spins (1, 3/2, 3/2, 2), (3/2, 2, 2, 5/2), (3/2, 2, 2, 5/2) and (2, 5/2, 5/2, 3) are obtained by starting with the operator product expansions (OPEs) between the four spin-3/2 currents from the above large N=4 linear superconformal algebra and the lowest higher spin-1 current which is the same as the one in the Wolf space coset SU(5)/[SU(3) x SU(2) x U(1)] theory. These OPEs determine the four higher spin-3/2 currents and the next six higher spin-2 currents are obtained from the OPEs between the above four spin-3/2 currents associated with the N=4 supersymmetry and these four higher spin-3/2 currents. The four higher spin-5/2 currents can be determined by calculating the OPEs between the above four spin-3/2 currents and the higher spin-2 currents. Similarly, the higher spin-3 current is obtained from the OPEs between the four spin-3/2 currents and the higher spin-5/2 currents. The explicit relations between the above 16 higher spin currents and the corresponding 16 higher spin currents which were found in the extension of large N=4 nonlinear superconformal algebra previously are given. By examining the OPEs between the 16 currents from the large N=4 linear superconformal algebra and the 16 higher spin currents, the match with the findings of Beccaria, Candu and Gaberdiel is also given. The next 16 higher spin currents of spins (2, 5/2, 5/2, 3), (5/2, 3, 3, 7/2), (5/2, 3, 3, 7/2) and (3, 7/2, 7/2, 4) occur from the OPEs between the above lowest 16 higher spin currents.

  13. BPS States in Supersymmetric Chiral Models with Higher Derivative Terms

    E-Print Network [OSTI]

    Muneto Nitta; Shin Sasaki

    2014-11-04

    We study the higher derivative chiral models with four supercharges and BPS states in these models. The off-shell Lagrangian generically includes higher powers of the auxiliary fields F which causes distinct on-shell branches associated with the solutions to the auxiliary fields equation. We point out that the model admits a supersymmetric completion of arbitrary higher derivative bosonic models of a single complex scalar field and an arbitrary scalar potential can be introduced even without superpotentials. As an example, we present a supersymmetric extension of the Faddeev-Skyrme model without four time derivatives, in contrast to the previously proposed supersymmetric Faddeev-Skyrme-like model containing four time derivatives. In general, higher derivative terms together with a superpotential result in deformed scalar potentials. We find that higher derivative corrections to 1/2 BPS domain walls and 1/2 BPS lumps are exactly canceled out while the 1/4 BPS lumps (as compact baby Skyrmions) depend on a characteristic feature of the higher derivative models. We also find a new 1/4 BPS condition for domain wall junctions which generically receives higher derivative corrections.

  14. Do Solar system tests permit higher dimensional general relativity?

    E-Print Network [OSTI]

    F. Rahaman; Saibal Ray; M. Kalam; M. Sarker

    2007-07-07

    We perform a survey whether higher dimensional Schwarzschild space-time is compatible with some of the solar system phenomena. As a test we examine five well known solar system effects, viz., (1) Perihelion shift, (2) Bending of light, (3) Gravitational redshift, (4) Gravitational time delay and (5) Motion of test particle in the framework of general relativity with higher dimensions. It is shown that the results related to all these physical phenomena are mostly incompatible with the higher dimensional version of general relativity except that of Motion of test particle. We compare all these results with the available data in the literature.

  15. Increasing TLB reach using TCAM cells 

    E-Print Network [OSTI]

    Kumar, Anuj

    2005-02-17

    We propose dynamic aggregation of virtual tags in TLB to increase its coverage and improve the overall miss ratio during address translation. Dynamic aggregation exploits both the spatial and temporal locality inherent in ...

  16. Towards increasing fisheries' contribution to food security

    E-Print Network [OSTI]

    Pauly, Daniel

    .L.D. Palomares, A. McCrea- Strub, L. van der Meer and D. Zeller. 2012. Towards increasing fisheries' contribution Freire, Krista Greer, Claire Hornby, Vicky Lam, Maria Lourdes Palomares, Ashley McCrea Strub, Liesbeth

  17. Naked singularity formation for higher dimensional inhomogeneous dust collapse

    E-Print Network [OSTI]

    Ujjal Debnath; Subenoy Chakraborty

    2003-02-28

    We investigate the occurrence and nature of a naked singularity in the gravitational collapse of an inhomogeneous dust cloud described by higher dimensional Tolman-Bondi space-time. The naked singularities are found to be gravitationally strong.

  18. Assessment of the Emissions Behavior of Higher Mileage Class...

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

    of the Emissions Behavior of Higher Mileage Class-8 Trucks and Engines Study of in-use emission levels of trucks near the mid-point of their regulatory useful life, including...

  19. Unambiguous Formalism for Higher-Order Lagrangian Field Theories

    E-Print Network [OSTI]

    Campos, Cedric M; de Diego, David Martin; Vankerschaver, Joris

    2009-01-01

    The aim of this paper is to propose an unambiguous intrinsic formalism for higher-order field theories which avoids the arbitrariness in the generalization of the conventional description of field theories, which implies the existence of different Cartan forms and Legendre transformations. We propose a differential-geometric setting for the dynamics of a higher-order field theory, based on the Skinner and Rusk formalism for mechanics. This approach incorporates aspects of both, the Lagrangian and the Hamiltonian description, since the field equations are formulated using the Lagrangian on a higher-order jet bundle and the canonical multisymplectic form on its dual. As both of these objects are uniquely defined, the Skinner-Rusk approach has the advantage that it does not suffer from the arbitrariness in conventional descriptions. The result is that we obtain a unique and global intrinsic version of the Euler-Lagrange equations for higher-order field theories. Several examples illustrate our construction.

  20. New approaches to higher-dimensional general relativity

    E-Print Network [OSTI]

    Durkee, Mark N.

    2011-06-07

    the Newman-Penrose formalism can be unnecessarily complicated. To address this, I describe new work introducing a higher-dimensional generalization of the so-called Geroch-Held-Penrose formalism, which allows for a partially covariant reformulation...

  1. Higher Education Review (Plus) A handbook for alternative providers undergoing

    E-Print Network [OSTI]

    Neirotti, Juan Pablo

    (Plus) has two components. The first component is a check on financial sustainability, managementHigher Education Review (Plus) A handbook for alternative providers undergoing review in 2014).................................. 49 Annex 6: Appointment, training and management of reviewers

  2. Analysis of State Appropriations to Higher Education: Florida and Texas 

    E-Print Network [OSTI]

    Beard, Ryan Jamail

    2014-12-04

    of state appropriations in their state systems of higher education. Even if all funding is not equal, the data indicates equitable funding processes comprising legitimate educational rationale in which state appropriations are distributed. However, even...

  3. Higher Order Modes in Acoustic Logging While Drilling

    E-Print Network [OSTI]

    Chi, Shihong

    2005-01-01

    In multipole acoustic logging while drilling (LWD), the fundamental modes dominate recorded waveforms. Higher order modes may also appear and complicate the processing of LWD data. In dipole LWD measurements, the dipole ...

  4. Silicon Ink Technology Offers Path to Higher Efficiency Solar...

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

    Silicon Ink Technology Offers Path to Higher Efficiency Solar Cells at Lower Cost Partnering with Sunnyvale-based Innovalight, which was acquired by DuPont in July 2011, EERE...

  5. Higher Spin Lifshitz Theories and the KdV-Hierarchy

    E-Print Network [OSTI]

    Beccaria, M; Gutperle, M; Li, Y; Macorini, G

    2015-01-01

    and Higher Spin Algebra,” Commun. Math. Phys. 128 (1990)the nonlinear W(KP) algebra,” Commun. Math. Phys. 158 (1993)algebras and equations of Korteweg-de Vries type,” J. Sov. Math.

  6. Higher-order photon correlations in pulsed photonic crystal nanolasers

    E-Print Network [OSTI]

    Elvira, D.

    We report on the higher-order photon correlations of a high-? nanolaser under pulsed excitation at room temperature. Using a multiplexed four-element superconducting single-photon detector we measured g(n)(0[superscript ...

  7. Molecular Engineering of Conjugated Polymers to Reach Higher...

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

    Engineering of Conjugated Polymers to Reach Higher Efficiency "Plastic" Solar Cells November 12, 2010 at 3pm36-428 Wei You University of North Carolina you.wei001 abstract: The...

  8. Searching for higher dimensional wormholes with noncommutative geometry

    E-Print Network [OSTI]

    Farook Rahaman; P. K. F. Kuhfittig; Saibal Ray; Safiqul Islam

    2012-11-29

    Noncommutative geometry, an offshoot of string theory, replaces point-like structures with smeared objects and has recently been extended to higher dimensions. The purpose of this letter is to obtain wormhole solutions with this extended noncommutative geometry as a background. It is found through this investigation that wormhole solutions exist in the usual four, as well as in five dimensions, but they do not exist in higher-dimensional spacetimes.

  9. Higher Spin Currents in Wolf Space: Part III

    E-Print Network [OSTI]

    Ahn, Changhyun

    2015-01-01

    The large N=4 linear superconformal algebra (generated by four spin-1/2 currents, seven spin-1 currents, four spin-3/2 currents and one spin-2 current) found by Sevrin, Troost and Van Proeyen (and other groups) was realized in the N=4 superconformal coset SU(5)/SU(3) theory previously. The lowest 16 higher spin currents of spins (1, 3/2, 3/2, 2), (3/2, 2, 2, 5/2), (3/2, 2, 2, 5/2) and (2, 5/2, 5/2, 3) are obtained by starting with the operator product expansions (OPEs) between the four spin-3/2 currents from the above large N=4 linear superconformal algebra and the lowest higher spin-1 current which is the same as the one in the Wolf space coset SU(5)/[SU(3) x SU(2) x U(1)] theory. These OPEs determine the four higher spin-3/2 currents and the next six higher spin-2 currents are obtained from the OPEs between the above four spin-3/2 currents associated with the N=4 supersymmetry and these four higher spin-3/2 currents. The four higher spin-5/2 currents can be determined by calculating the OPEs between the abo...

  10. PLDI: Leadership in Higher Education (16-187-504) PLDI: Leadership in Higher Education (16-187-504)

    E-Print Network [OSTI]

    Garfunkel, Eric

    training) to bridge those gaps? 1. What does this mean for higher education leaders? How should we move Perkins Loan · Grants o Federal Pell Grant o Academic Competitiveness Grant (ACG) o National SMART Grant o

  11. Laser cooling of a trapped particle with increased Rabi frequencies

    E-Print Network [OSTI]

    Tony Blake; Andreas Kurcz; Norah S. Saleem; Almut Beige

    2011-10-14

    This paper analyses the cooling of a single particle in a harmonic trap with red-detuned laser light with fewer approximations than previously done in the literature. We avoid the adiabatic elimination of the excited atomic state but are still interested in Lamb-Dicke parameters $\\eta \\ll 1$. Our results show that the Rabi frequency of the cooling laser can be chosen higher than previously assumed, thereby increasing the effective cooling rate but {\\em not} affecting the final outcome of the cooling process. Since laser cooling is already a well established experimental technique, the main aim of this paper is to present a model which can be extended to more complex scenarios, like cavity-mediated laser cooling.

  12. Increasing the hydrogenation activity of commercial catalysts for selective hydrocracking

    SciTech Connect (OSTI)

    Khashagul`gova, N.S.; Freiman, L.L.; Zelentsov, Yu.N. [and others

    1994-07-01

    The catalysts generally used in hydrodewaxing or selective hydrocracking of n-paraffins are zeolites with the pentasil structure: TsVK, TsVM, TsVN, and Ultrasil. For use in the production of high-quality transformer oils from paraffinic feedstocks, these catalysts have not only a high cracking activity but also an adequate hydrogenating activity. Catalysts containing a nickel-molybdenum complex (or nickel molybdate synthesized by a specific method) are higher in hydrogenating activity in comparison with catalysts in which the metals are introduced by coextrusion or impregnation. Precipitation of a nickel-molybdenum complex on a solid support (aluminosilicate or zeolite) tends to increase its hydrogenating activity, so that the content of the hydrogenating metals in the catalyst can be reduced. This report describes studies on catalysts based on TsVM and TsVN high-silica zeolites.

  13. Porous radiant burners having increased radiant output

    DOE Patents [OSTI]

    Tong, Timothy W. (Tempe, AZ); Sathe, Sanjeev B. (Tempe, AZ); Peck, Robert E. (Tempe, AZ)

    1990-01-01

    Means and methods for enhancing the output of radiant energy from a porous radiant burner by minimizing the scattering and increasing the adsorption, and thus emission of such energy by the use of randomly dispersed ceramic fibers of sub-micron diameter in the fabrication of ceramic fiber matrix burners and for use therein.

  14. Methodology for Prototyping Increased Levels of Automation

    E-Print Network [OSTI]

    Valasek, John

    Methodology for Prototyping Increased Levels of Automation for Spacecraft Rendezvous Functions of automation than previous NASA vehicles, due to program requirements for automation, including Automated Ren authority between humans and computers (i.e. automation) as a prime driver for cost, safety, and mission

  15. Increasing security in inter-chip communication

    DOE Patents [OSTI]

    Edwards, Nathan J; Hamlet, Jason; Bauer, Todd; Helinski, Ryan

    2014-10-28

    An apparatus for increasing security in inter-chip communication includes a sending control module, a communication bus, and a receiving control module. The communication bus is coupled between the sending control module and the receiving control module. The sending control module operates to send data on the communication bus, disable the communication bus when threats are detected, or both.

  16. INCREASED LEAD ABSORPTION AND LEAD POISONING

    E-Print Network [OSTI]

    INCREASED LEAD ABSORPTION AND LEAD POISONING IN YOUNG CHILDREN A STATDIE:"IT BY THE CEJde slnt:t! the Surgeon GenerJi's Statement. "~edicJI Aspects of Childhood Lead POisoning," was issued:ld absorption Jnd lead poisoning. Such JCtivities for children will continue to be necessary until sources

  17. MFR PAPER 1100 Increased utilization of

    E-Print Network [OSTI]

    MFR PAPER 1100 Increased utilization of latent and underutilized fish stocks the existing resource crises and aid industry in reversi ng th e decline evidenced in most New England fisheri input of industry in concert with the resources of NOAA' National Marine Fisheries Service (NMFS

  18. tti.tamu.edu Increasing Capacity,

    E-Print Network [OSTI]

    Readers to Measure Wait Times at the U.S.-Mexico Border Computer Simulations Explore "What If" Disaster Wait Times at the U.S.-Mexico Border 8 Safety-Belt Use at All-Time High in Texas 10 Increasing Capacity. Today -- with the Internet cross-pollinating cultures between countries at the speed of light

  19. NIST Standards in Trade Workshops Increase

    E-Print Network [OSTI]

    NIST Standards in Trade Workshops Increase Trade Opportunities and Exports for U.S. Industry Since 1995, U.S. industry has looked to the NIST Standards in Trade (SIT) Workshop Program to provide opportunities for cooperation on topics related to standards, conformity assessment and trade that are important

  20. Overview of Commercial Building Partnerships in Higher Education

    SciTech Connect (OSTI)

    Schatz, Glenn

    2013-03-01

    Higher education uses less energy per square foot than most commercial building sectors. However, higher education campuses house energy-intensive laboratories and data centers that may spend more than this average; laboratories, in particular, are disproportionately represented in the higher education sector. The Commercial Building Partnership (CBP), a public/private, cost-shared program sponsored by the U.S. Department of Energy (DOE), paired selected commercial building owners and operators with representatives of DOE, its national laboratories, and private-sector technical experts. These teams explored energy-saving measures across building systems–including some considered too costly or technologically challenging–and used advanced energy modeling to achieve peak whole-building performance. Modeling results were then included in new construction or retrofit designs to achieve significant energy reductions.

  1. Higher curvature counter terms cause the bounce in loop cosmology

    E-Print Network [OSTI]

    Helling, Robert C

    2009-01-01

    In the loop approach to the quantisation of gravity, one uses a Hilbert space which is too singular for some operators to be realised as derivatives. This is usually addressed by instead using finite difference operators at the Planck scale, a process known as ``polymerisation''. In the symmetry reduced example of loop cosmology, we study an ambiguity in the regularisation which we relate to the ambiguity of fixing the coefficients of infinitely many higher curvature counter terms augmenting the Einstein-Hilbert action. Thus the situation is comparable to he one in a naive perturbative treatment of quantum gravity with a cut-off where the necessary presence of infinitely many higher derivative terms compromises predictability. As a by-product, we demonstrate in an appendix that it is possible to have higher curvature actions for gravity which still lead to first order equations of motion like in the Friedmann case.

  2. Higher curvature counter terms cause the bounce in loop cosmology

    E-Print Network [OSTI]

    Robert C. Helling

    2009-12-17

    In the loop approach to the quantisation of gravity, one uses a Hilbert space which is too singular for some operators to be realised as derivatives. This is usually addressed by instead using finite difference operators at the Planck scale, a process known as ``polymerisation''. In the symmetry reduced example of loop cosmology, we study an ambiguity in the regularisation which we relate to the ambiguity of fixing the coefficients of infinitely many higher curvature counter terms augmenting the Einstein-Hilbert action. Thus the situation is comparable to he one in a naive perturbative treatment of quantum gravity with a cut-off where the necessary presence of infinitely many higher derivative terms compromises predictability. As a by-product, we demonstrate in an appendix that it is possible to have higher curvature actions for gravity which still lead to first order equations of motion like in the Friedmann case.

  3. Analysis of higher harmonic contamination with a modified approach using a grating analyser

    SciTech Connect (OSTI)

    Gupta, Rajkumar Modi, Mohammed H.; Lodha, G. S.; Kumar, M.; Chakera, J. A.

    2014-04-15

    Soft x-ray spectra of the toroidal grating monochromator (TGM) at the reflectivity beamline of Indus-1 synchrotron source are analyzed for higher harmonic contribution. A diffraction grating of central line spacing 1200 l/mm is used to disperse the monochromatic beam received from TGM to quantify the harmonic contents in the 50–360 Å wavelength range. In order to calculate the harmonic contamination, conventionally the intensity of higher order peak is divided by first order peak intensity of the desired wavelength. This approach is found to give wrong estimate as first order peak itself is overlapped by higher order peaks. In the present study, a modified approach has been proposed to calculate harmonic contamination where the intensity contributions of overlapping orders have been removed from the first order diffraction peak of the desired wavelength. It is found that the order contamination in the TGM spectra is less than 15% in the wavelength range of 90–180 Å. The total harmonic contribution increases from 6%–60% in the wavelength range of 150–260 Å. The critical wavelength of Indus-1 is 61 Å hence the harmonic contamination below 90 Å is significantly low. The results obtained with modified approach match well with those obtained by quantitative analysis of multilayer reflectivity data. The obtained higher harmonics data are used to fit the transmission of aluminum edge filter in the 120–360 Å wavelength range.

  4. Stabilization of linear higher derivative gravity with constraints

    SciTech Connect (OSTI)

    Chen, Tai-jun; Lim, Eugene A. E-mail: eugene.a.lim@gmail.com

    2014-05-01

    We show that the instabilities of higher derivative gravity models with quadratic curvature invariant ?R{sup 2}+?R{sub ??}R{sup ??} can be removed by judicious addition of constraints at the quadratic level of metric fluctuations around Minkowski/de Sitter background. With a suitable parameter choice, we find that the instabilities of helicity-0, 1, 2 modes can be removed while reducing the dimensionality of the original phase space. To retain the renormalization properties of higher derivative gravity, Lorentz symmetry in the constrained theory is explicitly broken.

  5. Exploring higher dimensional black holes at the large hadron collider.

    E-Print Network [OSTI]

    Harris, Chris M.; Palmer, M. J.; Parker, Michael A.; Richardson, P.

    Preprint typeset in JHEP style - HYPER VERSION Cavendish-HEP-04/29 ATL-COM-PHYS-2004-067 Exploring Higher Dimensional Black Holes at the Large Hadron Collider C.M. Harris†, M.J. Palmer†, M.A. Parker†, P. Richardson‡, A. Sabetfakhri† and B.R. Webber... the Standard Model matter and gauge fields are confined to the physical three-branes in a higher dimensional space, it has been shown that most of the black hole decay products are Standard Model quanta emitted on the brane [7] and are therefore visible...

  6. Constraints on Automorphic Forms of Higher Derivative Terms from Compactification

    E-Print Network [OSTI]

    Finn Gubay; Neil Lambert; Peter West

    2010-08-04

    By dimensionally reducing the higher derivative corrections of ten-dimensional IIB theory on a torus we deduce constraints on the E_{n+1} automorphic forms that occur in d=10-n dimensions. In particular we argue that these automorphic forms involve the representation of E_{n+1} with fundamental weight \\lambda^{n+1}, which is also the representation to which the string charges in d dimensions belong. We also consider a similar calculation for the reduction of higher derivative terms in eleven-dimensional M-theory.

  7. New hydrocracking catalysts increase throughput, run length

    SciTech Connect (OSTI)

    Huizinga, T. [Shell Internationale Petroleum Mij., The Hague (Netherlands); Theunissen, J.M.H. [Rayong Refinery Co. Ltd., Rayong (Thailand); Minderhoud, H.; Veen, R. van [Koninklijke/Shell-Lab., Amsterdam (Netherlands)

    1995-06-26

    An improved, second-stage hydrocracking catalyst has been developed by combining stabilized Y zeolites with amorphous silica alumina cracking components. A commercial application of this catalyst, along with a new, first-stage zeolitic hydrocracking catalyst, resulted in increased unit throughput and cycle length. The paper discusses the hydrocracking process, first-stage catalysts, second-stage catalysts, hydrogenation process, commercial results, and product properties.

  8. Restructuring Public Higher Education Governance to Succeed in a Highly Competitive Environment

    E-Print Network [OSTI]

    Hyatt, James A

    2015-01-01

    of the Texas Higher Education Coordinating Commission3 Higher Education Governance Structure, Legislative ProgramDecember 16, 2010 4 Higher Education Governance Structure,

  9. Concrete Company Aims Higher for More Wind Energy

    Broader source: Energy.gov [DOE]

    Today, most steel towers that support utility-scale turbines stand about 80 meters tall, but the Tindall Corporation wants to go higher using precast concrete to raise turbines over 100 meters in height to capture stronger, steadier winds - and more energy.

  10. Path Planning on Manifolds using Randomized Higher-Dimensional Continuation

    E-Print Network [OSTI]

    Porta, Josep M.

    ´eonard Jaillet Abstract Despite the significant advances in path planning methods, problems in- volving highly constrained systems. It builds on recently developed tools for Higher-dimensional Continuation, which provide enveloping the sphere, the exploration is relatively homogeneous. b When the box is elongated along

  11. Laser-Plasma Wakefield Acceleration with Higher Order Laser Modes

    E-Print Network [OSTI]

    Geddes, Cameron Guy Robinson

    Laser-Plasma Wakefield Acceleration with Higher Order Laser Modes C.G.R. Geddes , E. Cormier. Nevada, Reno and U.C. Berkeley Abstract. Laser-plasma collider designs point to staging of multiple accelerator stages at the 10 GeV level, which are to be developed on the upcoming BELLA laser, while Thomson

  12. TWISTING COCHAINS AND HIGHER TORSION 091104 KIYOSHI IGUSA

    E-Print Network [OSTI]

    Igusa, Kiyoshi

    superconnections are also equivalent to twisting cochains. Contents Introduction 1 1. A functors 3 2. Twisting cochain 5 3. Volodin K-theory 7 4. Higher FR torsion 10 5. Flat superconnections 12 6. Supercommutator between two A functors. (2) It is a combinatorial flat superconnection. 2000 Mathematics Subject

  13. Higher order corrections in minimal supergravity models of inflation

    SciTech Connect (OSTI)

    Ferrara, Sergio; Kallosh, Renata; Linde, Andrei; Porrati, Massimo E-mail: kallosh@stanford.edu E-mail: massimo.porrati@nyu.edu

    2013-11-01

    We study higher order corrections in new minimal supergravity models of a single scalar field inflation. The gauging in these models leads to a massive vector multiplet and the D-term potential for the inflaton field with a coupling g{sup 2} ? 10{sup ?10}. In the de-Higgsed phase with vanishing g{sup 2}, the chiral and vector multiplets are non-interacting, and the potential vanishes. We present generic manifestly supersymmetric higher order corrections for these models. In particular, for a supersymmetric gravity model ?R+R{sup 2} we derive manifestly supersymmetric corrections corresponding to R{sup n}. The dual version corresponds to a standard supergravity model with a single scalar and a massive vector. It includes, in addition, higher Maxwell curvature/scalar interaction terms of the Born-Infeld type and a modified D-term scalar field potential. We use the dual version of the model to argue that higher order corrections do not affect the last 60 e-foldings of inflation; for example the ?R{sup 4} correction is irrelevant as long as ? < 10{sup 24}.

  14. Food web complexity and higher-level ecosystem services

    E-Print Network [OSTI]

    Rodríguez, Miguel Ángel

    LETTER Food web complexity and higher-level ecosystem services Jose´ M. Montoya1,2 *, Miguel A of herbivores in 19 plant-herbivore-parasitoid food webs influence the service supplied by natural enemies producers have shown that species richness provides and promotes fundamental ecosystem services. However, we

  15. DCM 2005 Preliminary Version A Generalized Higher-Order Chemical

    E-Print Network [OSTI]

    Fradet, Pascal

    DCM 2005 Preliminary Version A Generalized Higher-Order Chemical Computation Model J.-P. Ban Montbonnot, France Pascal.Fradet@inria.fr Abstract Gamma is a programming model where computation is seen as chemical reactions between data represented as molecules floating in a chemical solution. Formally

  16. Higher-degree linear approximations of nonlinear systems

    SciTech Connect (OSTI)

    Karahan, S.

    1989-01-01

    In this dissertation, the author develops a new method for obtaining higher degree linear approximations of nonlinear control systems. The standard approach in the analysis and synthesis of nonlinear systems is a first order approximation by a linear model. This is usually performed by obtaining a series expansion of the system at some nominal operating point and retaining only the first degree terms in the series. The accuracy of this approximation depends on how far the system moves away from the normal point, and on the relative magnitudes of the higher degree terms in the series expansion. The approximation is achieved by finding an appropriate nonlinear coordinate transformation-feedback pair to perform the higher degree linearization. With the proposed method, one can improve the accuracy of the approximation up to arbitrarily higher degrees, provided certain solvability conditions are satisfied. The Hunt-Su linearizability theorem makes these conditions precise. This approach is similar to Poincare's Normal Form Theorem in formulation, but different in its solution method. After some mathematical background the author derives a set of equations (called the Homological Equations). A solution to this system of linear equations is equivalent to the solution to the problem of approximate linearization. However, it is generally not possible to solve the system of equations exactly. He outlines a method for systematically finding approximate solutions to these equations using singular value decomposition, while minimizing an error with respect to some defined norm.

  17. Basal Anthropoids from Egypt and the Antiquity of Africa's Higher

    E-Print Network [OSTI]

    Licciardi, Joseph M.

    Basal Anthropoids from Egypt and the Antiquity of Africa's Higher Primate Radiation Erik R remains of the primitive anthropoid Biretia from È37-million- year-old rocks in Egypt. Biretia is unique Egypt (5, 6). Recent paleontological work in Egypt_s Fayum Depression has resulted in the discov- ery

  18. Genetics and Biochemistry Careers and Higher Education Advice

    E-Print Network [OSTI]

    Harman, Neal.A.

    Genetics and Biochemistry Careers and Higher Education Advice (ID:260) Outline The interactive them get there. Lecturers from the department of Genetics and Biochemistry deliver sessions to local on genetics and biochemistry, along with how to develop a career from a STEM subject. Location: School or FE

  19. Bimetallic Cluster Provides a Higher Activity Electrocatalyst for Methanol Oxidation*

    E-Print Network [OSTI]

    Weidner, John W.

    Bimetallic Cluster Provides a Higher Activity Electrocatalyst for Methanol Oxidation* Brenda L:Ru nanoparticles on carbon (PtRu/C) for use as an electrocatalyst for methanol oxidation. This bimetallic carbonyl support particles. Cyclic voltammo- grams of methanol oxidation from the two catalysts showed

  20. Multi-directional higher-order amplitude squeezing

    E-Print Network [OSTI]

    Nguyen Ba An

    2001-04-23

    Fan-even K-quantum nonlinear coherent states are introduced and higher-order amplitude squeezing is investigated in such states. It is shown that for a given K the lowest order in which an amplitude component can be squeezed is 2K and the squeezing appears simultaneously in K directions separated successively in phase by \\pi/K.

  1. Noise in Disordered Systems: Higher Order Spectra in Avalanche Models

    E-Print Network [OSTI]

    Amit P. Mehta; Karin A. Dahmen; M. W. Weissman; Tim Wotherspoon

    2005-01-26

    We present a novel analytic calculation of the Haar power spectra, and various higher order spectra, of mean field avalanche models. We also compute these spectra from a simulation of the zero-temperature mean field RFIM and infinite range RFIM model for $d = 3$. We compare the results and obtain novel exponents.

  2. DEGREES OFFERED M.Ed. in Adult & Higher Education

    E-Print Network [OSTI]

    Maxwell, Bruce D.

    DEGREES OFFERED · M.Ed. in Adult & Higher Education · M.Ed. in Curriculum & Instruction · M.D. in Curriculum & Instruction · Ed.D. in Educational Leadership Certificates Offered: · College Teaching State University offers three main graduate pro- grams that combine well established teaching methods

  3. Enrollment Logics and Discourse: Toward Professionalizing Higher Education Enrollment Management 

    E-Print Network [OSTI]

    Snowden, Monique Lavette

    2012-10-19

    ” Chief Enrollment Managers ......................... 76 Data Collection and Autoethnographic Reflections .............. 79 Enrollment Management Narratives ......................... 80 AACRAO SEM Conferences... LOGICS AND DISCOURSE: TOWARD PROFESSIONALIZING HIGHER EDUCATION ENROLLMENT MANAGEMENT A Dissertation by MONIQUE LAVETTE SNOWDEN Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment...

  4. Opportunities and Challenges for Higher Renewable Penetration in

    E-Print Network [OSTI]

    California at Davis, University of

    's Current and Expected Renewable Energy Achievements On track to meet or exceed 33% RPS by 2020 · 50 it to the finish line due to high costs 3. Renewables · Current default option in American West #12;7 Example USOpportunities and Challenges for Higher Renewable Penetration in California Beyond 33%: UC Davis

  5. A PLANAR PARALLEL MANIPULATOR WITH HOLONOMIC HIGHER PAIRS: INVERSE KINEMATICS

    E-Print Network [OSTI]

    Hayes, John

    kinematic analysis. Very little literature on such planar mechanisms was found. The e ects of initialA PLANAR PARALLEL MANIPULATOR WITH HOLONOMIC HIGHER PAIRS: INVERSE KINEMATICS Matthew John D. HAYES of Mechanical Engineering 817 r. Sherbrooke O., Rm 454, Montreal, Quebec, H3A 2K6 Canada, Tel: (514) 398

  6. Higher Prices from Entry: Pricing of Brand-Name Drugs

    E-Print Network [OSTI]

    Perloff, Jeffrey M.

    Higher Prices from Entry: Pricing of Brand-Name Drugs Jeffrey M. Perloff* Valerie Y. Suslow** Paul and starts selling a spatially-differentiated product, the prices of existing products may rise due to a better match between consumers and products. Entry may have three unusual effects. First, the new price

  7. Reforming designs: education and training in Scotland and Higher Still 

    E-Print Network [OSTI]

    Howieson, Cathy

    2008-01-01

    and economic stance, and its current preoccupations and ambitions for itself. Thus the thesis uses the example of the Higher Still reform of post compulsory education and training in Scotland (from 1999 onwards) to reflect more generally on education and social...

  8. Policy on adverse weather conditions affecting Higher Education Review visits

    E-Print Network [OSTI]

    Neirotti, Juan Pablo

    Policy on adverse weather conditions affecting Higher Education Review visits This policy entered into owing to adverse weather conditions will be by mutual agreement of QAA and the provider. Attendance at the review visit by the QAA officer If adverse weather conditions prevent, or appear likely

  9. Higher velocity, high-foot implosions on the National Ignition Facility laser

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

    Callahan, D. A.; Hurricane, O. A.; Hinkel, D. E.; Döppner, T.; Ma, T.; Park, H. -S.; Barrios Garcia, M. A.; Berzak Hopkins, L. F.; Casey, D. T.; Cerjan, C. J.; et al

    2015-05-15

    By increasing the velocity in “high foot” implosions [Dittrich et al., Phys. Rev. Lett. 112, 055002 (2014); Park et al., Phys. Rev. Lett. 112, 055001 (2014); Hurricane et al., Nature 506, 343 (2014); Hurricane et al., Phys. Plasmas 21, 056314 (2014)] on the National Ignition Facility laser, we have nearly doubled the neutron yield and the hotspot pressure as compared to the implosions reported upon last year. The implosion velocity has been increased using a combination of the laser (higher power and energy), the hohlraum (depleted uranium wall material with higher opacity and lower specific heat than gold hohlraums), andmore »the capsule (thinner capsules with less mass). We find that the neutron yield from these experiments scales systematically with a velocity-like parameter of the square root of the laser energy divided by the ablator mass. By connecting this parameter with the inferred implosion velocity (v), we find that for shots with primary yield >1e15 neutrons, the total yield ~ v???. This increase is considerably faster than the expected dependence for implosions without alpha heating ( ~v???) and is additional evidence that these experiments have significant alpha heating.« less

  10. Higher velocity, high-foot implosions on the National Ignition Facility laser

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

    Callahan, D. A. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)] (ORCID:0000000315498916); Hurricane, O. A. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Hinkel, D. E. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Döppner, T. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Ma, T. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Park, H. -S. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Barrios Garcia, M. A. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Berzak Hopkins, L. F. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)] (ORCID:0000000291875667); Casey, D. T. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Cerjan, C. J. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)] (ORCID:0000000251686845); Dewald, E. L. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Dittrich, T. R. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Edwards, M. J. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Haan, S. W. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)] (ORCID:0000000184045131); Hamza, A. V. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Kline, J. L. [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Knauer, J. P. [Univ. of Rochester, NY (United States); Kritcher, A. L. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Landen, O. L. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); LePape, S. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); MacPhee, A. G. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)] (ORCID:0000000341604479); Milovich, J. L. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Nikroo, A. [General Atomics, San Diego, CA (United States)] (ORCID:0000000288550378); Pak, A. E. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Patel, P. K. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Rygg, J. R. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Ralph, J. E. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Salmonson, J. D. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Spears, B. K. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Springer, P. T. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Tommasini, R. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Benedetti, L. R. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Bionta, R. M. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Bond, E. J. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Bradley, D. K. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Caggiano, J. A. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Field, J. E. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Fittinghoff, D. N. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Frenje, J. [MIT (Massachusetts Inst. of Technology), Cambridge, MA (United States)] (ORCID:0000000168460378); Gatu Johnson, M. [MIT (Massachusetts Inst. of Technology), Cambridge, MA (United States); Grim, G. P. [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Hatarik, R. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Merrill, F. E. [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Nagel, S. R. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)] (ORCID:0000000277686819); Izumi, N. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Khan, S. F. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

    2015-05-01

    By increasing the velocity in “high foot” implosions [Dittrich et al., Phys. Rev. Lett. 112, 055002 (2014); Park et al., Phys. Rev. Lett. 112, 055001 (2014); Hurricane et al., Nature 506, 343 (2014); Hurricane et al., Phys. Plasmas 21, 056314 (2014)] on the National Ignition Facility laser, we have nearly doubled the neutron yield and the hotspot pressure as compared to the implosions reported upon last year. The implosion velocity has been increased using a combination of the laser (higher power and energy), the hohlraum (depleted uranium wall material with higher opacity and lower specific heat than gold hohlraums), and the capsule (thinner capsules with less mass). We find that the neutron yield from these experiments scales systematically with a velocity-like parameter of the square root of the laser energy divided by the ablator mass. By connecting this parameter with the inferred implosion velocity (v), we find that for shots with primary yield >1e15 neutrons, the total yield ~ v???. This increase is considerably faster than the expected dependence for implosions without alpha heating ( ~v???) and is additional evidence that these experiments have significant alpha heating.

  11. Increasing jet entrainment, mixing and spreading

    DOE Patents [OSTI]

    Farrington, R.B.

    1994-08-16

    A free jet of air is disturbed at a frequency that substantially matches natural turbulences in the free jet to increase the entrainment, mixing, and spreading of air by the free jet, for example in a room or other enclosure. The disturbances are created by pulsing the flow of air that creates the free jet at the desired frequency. Such pulsing of the flow of air can be accomplished by sequentially occluding and opening a duct that confines and directs the flow of air, such as by rotating a disk on an axis transverse to the flow of air in the duct. 11 figs.

  12. Middle East sparking increase in world drilling

    SciTech Connect (OSTI)

    Not Available

    1990-02-01

    Global drilling outside the United States appears to have bottomed out last year if official numbers and estimates supplied to World oil prove accurate. The 1990:0090 forecast calls for a 7.8% boost to 22,316 wells (excluding the USSR, Eastern Europe and North Korea), and every region expects to see a net increase. Figures provided by governmental agencies, operating companies and other sources indicate Middle Eastern drilling last year hit a new high for the 1980's with 948 wells. These figures are also given for Western Europe, the Far East, Africa, South America, Canada, Mexico, Costa Rica, and Guatemala.

  13. Increasing jet entrainment, mixing and spreading

    DOE Patents [OSTI]

    Farrington, Robert B. (Wheatridge, CO)

    1994-01-01

    A free jet of air is disturbed at a frequency that substantially matches natural turbulences in the free jet to increase the entrainment, mixing, and spreading of air by the free jet, for example in a room or other enclosure. The disturbances are created by pulsing the flow of air that creates the free jet at the desired frequency. Such pulsing of the flow of air can be accomplished by sequentially occluding and opening a duct that confines and directs the flow of air, such as by rotating a disk on an axis transverse to the flow of air in the duct.

  14. Increasing thermoelectric efficiency towards the Carnot limit

    E-Print Network [OSTI]

    Giulio Casati; Carlos Mejia-Monasterio; Tomaz Prosen

    2008-02-27

    We study the problem of thermoelectricity and propose a simple microscopic mechanism for the increase of thermoelectric efficiency. We consider the cross transport of particles and energy in open classical ergodic billiards. We show that, in the linear response regime, where we find exact expressions for all transport coefficients, the thermoelectric efficiency of ideal ergodic gases can approach Carnot efficiency for sufficiently complex charge carrier molecules. Our results are clearly demonstrated with a simple numerical simulation of a Lorentz gas of particles with internal rotational degrees of freedom.

  15. ARM - Danger of Increased Greenhouse Gases

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Comments? We would love to hear from you! Send us agovInstrumentswrf-chemMeetingsCoverListDanger of Increased

  16. Increasing the Capacity of Existing Power Lines

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematicsEnergy HeadquartersFuelBConservation StandardsEnergy In Case You12/17/1998Increasing

  17. U.S. monthly coal production increases

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming Dry NaturalPrices Globaldieselgasolinemonthly coal production increases

  18. Regulation of chloroplast number and DNA synthesis in higher plants. Final report, August 1995--August 1996

    SciTech Connect (OSTI)

    Mullet, J.E.

    1997-06-17

    The long term objective of this research is to understand the process of chloroplast development and its coordination with leaf development in higher plants. This is important because the photosynthetic capacity of plants is directly related to leaf and chloroplast development. This research focused on obtaining a detailed description of leaf development and the early steps in chloroplast development including activation of plastid DNA synthesis, changes in plastid DNA copy number, activation of chloroplast transcription and increases in plastid number per cell. The research focused on the isolation of the plastid DNA polymerase, and identification of genetic mutants which are altered in their accumulation of plastid DNA and plastid number per cell.

  19. Increasing carbon dioxideIncreasing carbon dioxide & its effect on forest& its effect on forest

    E-Print Network [OSTI]

    Gray, Matthew

    ecosystem's natural capacity toA forest ecosystem's natural capacity to capture energy, capture energy's natural capacity toA forest ecosystem's natural capacity to capture energy, capture energy, sustain life10/13/2010 1 Increasing carbon dioxideIncreasing carbon dioxide & its effect on forest& its effect

  20. Energy & Water:Energy & Water: A Growing and IncreasinglyA Growing and Increasingly

    E-Print Network [OSTI]

    Keller, Arturo A.

    #12;20 Treatment TechnologiesTreatment Technologies #12;21 21 #12;22 Skinner PlantSkinner Plant Solar1 Energy & Water:Energy & Water: A Growing and IncreasinglyA Growing and Increasingly Important of Southern California First Western Forum on Energy & Water Sustainability #12;2 "Water is for life, power

  1. Cosmological perturbations in non-local higher-derivative gravity

    SciTech Connect (OSTI)

    Craps, Ben; Jonckheere, Tim De; Koshelev, Alexey S. E-mail: Tim.De.Jonckheere@vub.ac.be

    2014-11-01

    We study cosmological perturbations in a non-local higher-derivative model of gravity introduced by Biswas, Mazumdar and Siegel. We extend previous work, which had focused on classical scalar perturbations around a cosine hyperbolic bounce solution, in three ways. First, we point out the existence of a Starobinsky solution in this model, which is more attractive from a phenomenological point of view (even though it has no bounce). Second, we study classical vector and tensor pertuxsxrbations. Third, we show how to quantize scalar and tensor perturbations in a de Sitter phase (for choices of parameters such that the model is ghost-free). Our results show that the model is well-behaved at this level, and are very similar to corresponding results in local f(R) models. In particular, for the Starobinsky solution of non-local higher-derivative gravity, we find the same tensor-to-scalar ratio as for the conventional Starobinsky model.

  2. Tackling Higher Derivative Ghosts with the Euclidean Path Integral

    E-Print Network [OSTI]

    Michele Fontanini; Mark Trodden

    2011-02-21

    An alternative to the effective field theory approach to treat ghosts in higher derivative theories is to attempt to integrate them out via the Euclidean path integral formalism. It has been suggested that this method could provide a consistent framework within which we might tolerate the ghost degrees of freedom that plague, among other theories, the higher derivative gravity models that have been proposed to explain cosmic acceleration. We consider the extension of this idea to treating a class of terms with order six derivatives, and find that for a general term the Euclidean path integral approach works in the most trivial background, Minkowski. Moreover we see that even in de Sitter background, despite some difficulties, it is possible to define a probability distribution for tensorial perturbations of the metric.

  3. Backreaction effects due to matter coupled higher derivative gravity

    E-Print Network [OSTI]

    Lata Kh Joshi; P. Ramadevi

    2014-11-28

    AdS-hydrodynamics has proven to be a useful tool for obtaining transport coefficients observed in the collective flow of strongly coupled fluids like quark gluon plasma (QGP). Particularly, the ratio of shear viscosity to entropy density ${\\eta/ s}$ obtained from elliptic flow measurements can be matched with the computation done in the dual gravity theory. The experimentally observed temperature dependence of ${\\eta/ s}$ requires the study of scalar matter coupled AdS gravity including higher derivative curvature corrections. We obtain the backreaction to the metric for such a matter coupled AdS gravity in $D$-dimensional spacetime due to the higher derivative curvature corrections. Then, we present the backreaction corrections to shear-viscosity $\\eta$ and entropy density $s$.

  4. Higher Derivative Corrections to Manifestly Supersymmetric Nonlinear Realizations

    E-Print Network [OSTI]

    Muneto Nitta; Shin Sasaki

    2014-11-05

    When global symmetries are spontaneously broken in supersymmetric vacua, there appear quasi-Nambu-Goldstone (NG) fermions as superpartners of NG bosons. In addition to these, there can appear quasi-NG bosons in general. The quasi-NG bosons and fermions together with the NG bosons are organized into chiral multiplets. K\\"ahler potentials of low-energy effective theories were constructed some years ago as supersymmetric nonlinear realizations. It is known that higher derivative terms in the superfield formalism often encounter with the auxiliary field problem; the auxiliary fields are acted by space-time derivatives and cannot be eliminated. In this paper, we construct higher derivative corrections to supersymmetric nonlinear realizations in the off-shell superfield formalism free from the auxiliary field problem. As an example, we present manifestly supersymmetric chiral Lagrangian.

  5. Higher-order energy-conserving gyrokinetic theory

    SciTech Connect (OSTI)

    Mishchenko, Alexey [Max-Planck-Institut fuer Plasmaphysik, EURATOM-Association, D-17491 Greifswald (Germany); Brizard, Alain J. [Department of Chemistry and Physics, Saint Michael's College, Colchester, Vermont 05439 (United States)

    2011-02-15

    A higher-order self-consistent energy-conserving gyrokinetic system of equations is derived. It is shown that additional terms appear in the quasineutrality condition. These terms are nonlinear in the electric field. The derivation includes higher-order terms in the gyrokinetic Hamiltonian (needed for the energy conservation) and employs a variational principle that automatically provides all the conservation laws through the Noether theorem. The equations derived here can be applied in certain transition layers such as the stellarator transport barriers caused by the transition between the electron and ion root regimes. The theory may also be of interest for the edge plasma, where the nonlinear terms in the quasineutrality equation could be relevant. The equations derived are simple enough and can readily be used in gyrokinetic codes.

  6. Probing strongly coupled anisotropic plasmas from higher curvature gravity

    E-Print Network [OSTI]

    Viktor Jahnke; Anderson Seigo Misobuchi

    2015-10-23

    We consider five-dimensional AdS-axion-dilaton gravity with a Gauss-Bonnet term and use a black brane solution displaying spatial anisotropy as the gravity dual of a strongly coupled anisotropic plasma. We compute several observables relevant to the study of the plasma, namely, the drag force, the jet quenching parameter, the quarkonium potential and the thermal photon production. The effects of higher derivative corrections and of the anisotropy are discussed and compared with previous results.

  7. Naked singularities in higher dimensional inhomogeneous dust collapse

    E-Print Network [OSTI]

    S G Ghosh; A Beesham

    2001-06-27

    We investigate the occurrence and nature of a naked singularity in the gravitational collapse of an inhomogeneous dust cloud described by a non self-similar higher dimensional Tolman spacetime. The necessary condition for the formation of a naked singularity or a black hole is obtained. The naked singularities are found to be gravitationally strong in the sense of Tipler and provide another example that violates the cosmic censorship conjecture.

  8. Fault-Tolerant Quantum Computation with Higher-Dimensional Systems

    E-Print Network [OSTI]

    Daniel Gottesman

    1998-02-02

    Instead of a quantum computer where the fundamental units are 2-dimensional qubits, we can consider a quantum computer made up of d-dimensional systems. There is a straightforward generalization of the class of stabilizer codes to d-dimensional systems, and I will discuss the theory of fault-tolerant computation using such codes. I prove that universal fault-tolerant computation is possible with any higher-dimensional stabilizer code for prime d.

  9. Higher dimensional gravity invariant under the Poincare group

    E-Print Network [OSTI]

    P. Salgado; M. Cataldo; S. del Campo

    2002-05-30

    It is shown that the Stelle-West Grignani-Nardelli-formalism allows, both when odd dimensions and when even dimensions are considered, constructing actions for higher dimensional gravity invariant under local Lorentz rotations and under local Poincar\\`{e} translations. It is also proved that such actions have the same coefficients as those obtained by Troncoso and Zanelli in ref. Class. Quantum Grav. 17 (2000) 4451.

  10. Covariant Noether Charge for Higher Dimensional Chern-Simons Terms

    E-Print Network [OSTI]

    Tatsuo Azeyanagi; R. Loganayagam; Gim Seng Ng; Maria J. Rodriguez

    2015-07-13

    We construct a manifestly covariant differential Noether charge for theories with Chern-Simons terms in higher dimensional spacetimes. This is in contrast to Tachikawa's extension of the standard Lee-Iyer-Wald formalism which results in a non-covariant differential Noether charge for Chern-Simons terms. On a bifurcation surface, our differential Noether charge integrates to the Wald-like entropy formula proposed by Tachikawa in arXiv:hep-th/0611141.

  11. Nuclear higher-twist effects in eA DIS

    E-Print Network [OSTI]

    B. G. Zakharov

    2009-03-22

    We discuss the relation between the treatments of the higher twist nuclear effects in eA DIS based on the pQCD collinear approximation and the light-cone path integral formalism. We show that in the collinear approximation the N=1 rescattering contribution to the gluon emission vanishes. It is demonstrated that the nonzero gluon spectrum obtained by Guo, Wang and Zhang is a consequence of unjustified neglect of some terms in the collinear expansion.

  12. Consumers face $5. 9 million rate increase

    SciTech Connect (OSTI)

    Not Available

    1984-11-01

    Testimony at hearings before the Garrison Diversion Compromise Commission claimed that rural consumers in the Upper Midwest could face $5.9 million in electric rate increases if the commission deauthorizes the project and hydroelectric rates go up to pay the costs of the 1944 Pick-Sloan project originally assigned to irrigation. If there is no irrigation development, the revenue that irrigation must raise to repay the $67 million debt assigned to irrigation must be reassigned to hydroelectric power. The commission represents a compromise between supporters and opponents of the Garrison Diversion project. Spokesmen for regional utilities spoke in support of the project as an investment whose costs have escalated because of delays at the expense of economic development in North Dakota.

  13. The Integrity of ACSR Full Tension Single-Stage Splice Connector at Higher Operation Temperature

    SciTech Connect (OSTI)

    Wang, Jy-An John [ORNL; Lara-Curzio, Edgar [ORNL; King Jr, Thomas J [ORNL

    2008-10-01

    Due to increases in power demand and limited investment in new infrastructure, existing overhead power transmission lines often need to operate at temperatures higher than those used for the original design criteria. This has led to the accelerated aging and degradation of splice connectors. It is manifested by the formation of hot-spots that have been revealed by infrared imaging during inspection. The implications of connector aging is two-fold: (1) significant increases in resistivity of the splice connector (i.e., less efficient transmission of electricity) and (2) significant reductions in the connector clamping strength, which could ultimately result in separation of the power transmission line at the joint. Therefore, the splice connector appears to be the weakest link in electric power transmission lines. This report presents a protocol for integrating analytical and experimental approaches to evaluate the integrity of full tension single-stage splice connector assemblies and the associated effective lifetime at high operating temperature.

  14. EXTENDING SODIUM FAST REACTOR DRIVER FUEL USE TO HIGHER TEMPERATURES

    SciTech Connect (OSTI)

    Douglas L. Porter

    2011-02-01

    Calculations of potential sodium-cooled fast reactor fuel temperatures were performed to estimate the effects of increasing the outlet temperature of a given fast reactor design by increasing pin power, decreasing assembly flow, or increasing inlet temperature. Based upon experience in the U.S., both metal and mixed oxide (MOX) fuel types are discussed in terms of potential performance effects created by the increased operating temperatures. Assembly outlet temperatures of 600, 650 and 700 °C were used as goal temperatures. Fuel/cladding chemical interaction (FCCI) and fuel melting, as well as challenges to the mechanical integrity of the cladding material, were identified as the limiting phenomena. For example, starting with a recent 1000 MWth fast reactor design, raising the outlet temperature to 650 °C through pin power increase increased the MOX centerline temperature to more than 3300 °C and the metal fuel peak cladding temperature to more than 700 °C. These exceeded limitations to fuel performance; fuel melting was limiting for MOX and FCCI for metal fuel. Both could be alleviated by design ‘fixes’, such as using a barrier inside the cladding to minimize FCCI in the metal fuel, or using annular fuel in the case of MOX. Both would also require an advanced cladding material with improved stress rupture properties. While some of these are costly, the benefits of having a high-temperature reactor which can support hydrogen production, or other missions requiring high process heat may make the extra costs justified.

  15. Towards increased waste loading in high level waste glasses: Developing a better understanding of crystallization behavior

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

    Marra, James C.; Kim, Dong -Sang

    2014-12-18

    A number of waste components in US defense high level radioactive wastes (HLW) have proven challenging for current Joule heated ceramic melter (JCHM) operations and have limited the ability to increase waste loadings beyond already realized levels. Many of these ''troublesome'' waste species cause crystallization in the glass melt that can negatively impact product quality or have a deleterious effect on melter processing. Thus, recent efforts at US Department of Energy laboratories have focused on understanding crystallization behavior within HLW glass melts and investigating approaches to mitigate the impacts of crystallization so that increases in waste loading can be realized.more »Advanced glass formulations have been developed to highlight the unique benefits of next-generation melter technologies such as the Cold Crucible Induction Melter (CCIM). Crystal-tolerant HLW glasses have been investigated to allow sparingly soluble components such as chromium to crystallize in the melter but pass out of the melter before accumulating. The Hanford site AZ-101 tank waste composition represents a waste group that is waste loading limited primarily due to high concentrations of Fe2O3 (with higher Al2O3). Systematic glass formulation development utilizing slightly higher process temperatures and higher tolerance to spinel crystals demonstrated that an increase in waste loading of more than 20% could be achieved for this waste composition, and by extension higher loadings for wastes in the same group.« less

  16. Towards Increased Waste Loading in High Level Waste Glasses: Developing a Better Understanding of Crystallization Behavior

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

    Marra, James C. [Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL); Kim, Dong -Sang [Pacific Northwest National Lab. (PNNL), Richland, WA (United States)

    2014-01-01

    A number of waste components in US defense high level radioactive wastes (HLW) have proven challenging for current Joule heated ceramic melter (JCHM) operations and have limited the ability to increase waste loadings beyond already realized levels. Many of these ''troublesome'' waste species cause crystallization in the glass melt that can negatively impact product quality or have a deleterious effect on melter processing. Recent efforts at US Department of Energy laboratories have focused on understanding crystallization behavior within HLW glass melts and investigating approaches to mitigate the impacts of crystallization so that increases in waste loading can be realized. Advanced glass formulations have been developed to highlight the unique benefits of next-generation melter technologies such as the Cold Crucible Induction Melter (CCIM). Crystal-tolerant HLW glasses have been investigated to allow sparingly soluble components such as chromium to crystallize in the melter but pass out of the melter before accumulating. The Hanford site AZ-101 tank waste composition represents a waste group that is waste loading limited primarily due to high concentrations of Fe2O3 (with higher Al2O3). Systematic glass formulation development utilizing slightly higher process temperatures and higher tolerance to spinel crystals demonstrated that an increase in waste loading of more than 20% could be achieved for this waste composition, and by extension higher loadings for wastes in the same group.

  17. Do PV Systems Increase Residential Selling Prices If So, How Can Practitioners Estimate This Increase?

    E-Print Network [OSTI]

    Hoen, Ben

    2013-01-01

    No. DE-AC02-05CH11231. Do PV Systems Increase Residentialimpacts of photovoltaic (PV) energy systems on home salesthat existing homes with PV systems sold for a premium over

  18. Coal liquefaction process with increased naphtha yields

    DOE Patents [OSTI]

    Ryan, Daniel F. (Friendswood, TX)

    1986-01-01

    An improved process for liquefying solid carbonaceous materials wherein the solid carbonaceous material is slurried with a suitable solvent and then subjected to liquefaction at elevated temperature and pressure to produce a normally gaseous product, a normally liquid product and a normally solid product. The normally liquid product is further separated into a naphtha boiling range product, a solvent boiling range product and a vacuum gas-oil boiling range product. At least a portion of the solvent boiling-range product and the vacuum gas-oil boiling range product are then combined and passed to a hydrotreater where the mixture is hydrotreated at relatively severe hydrotreating conditions and the liquid product from the hydrotreater then passed to a catalytic cracker. In the catalytic cracker, the hydrotreater effluent is converted partially to a naphtha boiling range product and to a solvent boiling range product. The naphtha boiling range product is added to the naphtha boiling range product from coal liquefaction to thereby significantly increase the production of naphtha boiling range materials. At least a portion of the solvent boiling range product, on the other hand, is separately hydrogenated and used as solvent for the liquefaction. Use of this material as at least a portion of the solvent significantly reduces the amount of saturated materials in said solvent.

  19. Experimental access to higher-dimensional entangled quantum systems using integrated optics

    E-Print Network [OSTI]

    Christoph Schaeff; Robert Polster; Marcus Huber; Sven Ramelow; Anton Zeilinger

    2015-06-02

    Integrated optics allow the generation and control of increasingly complex photonic states on chip based architectures. Here, we implement two entangled qutrits - a 9-dimensional quantum system - and demonstrate an exceptionally high degree of experimental control. The approach which is conceptually different to common bulk optical implementations is heavily based on methods of integrated in-fiber and on-chip technologies and further motivated by methods commonly used in today's telecommunication industry. The system is composed of an in-fiber source creating entangled qutrit states of any amplitude and phase and an on-chip integrated general Multiport enabling the realization of any desired local unitary transformation within the two qutrit 9-dimensional Hilbert space. The complete design is readily extendible towards higher-dimensions with moderate increase in complexity. Ultimately, our scheme allows for complete on-chip integration. We demonstrate the flexibility and generality of our system by realizing a complete characterization of the two qutrit space of higher-order Einstein-Podolsky-Rosen correlations.

  20. Approaching the Minimum Thermal Conductivity in Rhenium-Substituted Higher Manganese Silicides

    SciTech Connect (OSTI)

    Chen, Xi [University of Texas at Austin] [University of Texas at Austin; Girard, S. N. [University of Wisconsin, Madison] [University of Wisconsin, Madison; Meng, F. [University of Wisconsin, Madison] [University of Wisconsin, Madison; Lara-Curzio, Edgar [ORNL] [ORNL; Jin, S [University of Wisconsin, Madison] [University of Wisconsin, Madison; Goodenough, J. B. [University of Texas at Austin] [University of Texas at Austin; Zhou, J. S. [University of Texas at Austin] [University of Texas at Austin; Shi, L [University of Texas at Austin] [University of Texas at Austin

    2014-01-01

    Higher manganese silicides (HMS) made of earth-abundant and non-toxic elements are regarded as promising p-type thermoelectric materials because their complex crystal structure results in low lattice thermal conductivity. It is shown here that the already low thermal conductivity of HMS can be reduced further to approach the minimum thermal conductivity via partial substitu- tion of Mn with heavier rhenium (Re) to increase point defect scattering. The solubility limit of Re in the obtained RexMn1 xSi1.8 is determined to be about x = 0.18. Elemental inhomogeneity and the formation of ReSi1.75 inclusions with 50 200 nm size are found within the HMS matrix. It is found that the power factor does not change markedly at low Re content of x 0.04 before it drops considerably at higher Re contents. Compared to pure HMS, the reduced lattice thermal conductivity in RexMn1 xSi1.8 results in a 25% increase of the peak figure of merit ZT to reach 0.57 0.08 at 800 K for x = 0.04. The suppressed thermal conductivity in the pure RexMn1 xSi1.8 can enable further investigations of the ZT limit of this system by exploring different impurity doping strategies to optimize the carrier concentration and power factor.

  1. Higher Derivative Gravity from the Universal Renormalization Group Machine

    E-Print Network [OSTI]

    F. Saueressig; K. Groh; S. Rechenberger; O. Zanusso

    2012-02-28

    We study the renormalization group flow of higher derivative gravity, utilizing the functional renormalization group equation for the average action. Employing a recently proposed algorithm, termed the universal renormalization group machine, for solving the flow equation, all the universal features of the one-loop beta-functions are recovered. While the universal part of the beta-functions admits two fixed points, we explicitly show that the existence of one of them depends on the choice of regularization scheme, indicating that it is most probably unphysical.

  2. Higher radial and orbital excitations in the charmed meson family

    E-Print Network [OSTI]

    Qin-Tao Song; Dian-Yong Chen; Xiang Liu; Takayuki Matsuki

    2015-09-16

    Considering abundant experimental information of charmed mesons and the present research status, in this work we systematically study higher radial and orbital excitations in the charmed meson family by analyzing the mass spectrum and calculating their two-body OZI-allowed decay behaviors. This phenomenological analysis not only reveals underlying propertes of the newly observed charmed states $D(2550)$, $D^*(2600)$, $D^*(2760)$, $D(2750)$, $D_J(2580)$, $D^*_J(2650)$, $D^*_J(2760)$, $D_J(2740)$, $D_J(3000)$ and $D^*_J(3000)$, but also provides valuable information of the charmed mesons still missing in experiments.

  3. Higher derivatives and power spectrum in effective single field inflation

    E-Print Network [OSTI]

    Jinn-Ouk Gong; Min-Seok Seo; Spyros Sypsas

    2015-03-10

    We study next-to-leading corrections to the effective action of the curvature perturbation obtained by integrating out the coupled heavy isocurvature perturbation. These corrections result from including higher order derivative operators, weighted by the mass scale of the heavy physics, in the effective theory expansion. We find that the correction terms are suppressed by the ratio of the Hubble parameter to the heavy mass scale. The corresponding corrections to the power spectrum of the curvature perturbation are presented for a simple illustrative example.

  4. On Higher Derivative Terms in Tachyon Effective Actions

    E-Print Network [OSTI]

    N. D. Lambert; I. Sachs

    2001-05-08

    We reconstruct the tachyon effective action for unstable D-branes in superstring theory by examining its behaviour near exactly marginal deformations, where the ambigous higher derivative terms can be eliminated. We then compare this action with that obtained in boundary string field theory and find remarkable agreement. In particular, the tension for lower dimensional branes and the BI-action for the centre of mass motion are reprodued exactly. We also comment on the action for tachyons on the kink in a D-brane/anti-D-brane system and on bosonic string theory.

  5. DOE Solid-State Lighting in Higher Ed Facilities

    SciTech Connect (OSTI)

    Miller, Naomi J.; Curry, Ku'Uipo J.

    2010-07-20

    The focus of the workshop was on higher education facilities because college and university campuses are an important market for lighting products and they use almost every kind of luminaire on the market. This workshop was seen as a chance for SSL manufacturers large and small to get the inside scoop from a group of people that specify, pay for, install, use, maintain, and dispose of lighting systems for nearly every type of application. Workshop attendees explored the barriers to SSL adoption, the applications where SSL products could work better than existing technologies, and where SSL luminaires are currently falling short. This report summarizes the Workshop activities and presentation highlights.

  6. On higher spins and the tensionless limit of String Theory

    E-Print Network [OSTI]

    A. Sagnotti; M. Tsulaia

    2004-01-09

    We discuss string spectra in the low-tension limit using the BRST formalism, with emphasis on the role of triplets of totally symmetric tensors and spinor-tensors and their generalizations to cases with mixed symmetry and to (A)dS backgrounds. We also present simple compensator forms of the field equations for individual higher-spin gauge fields that display the {unconstrained} gauge symmetry of a previous non-local construction and reduce upon partial gauge fixing to the (Fang-)Fronsdal equations. For Bose fields we also show how a local Lagrangian formulation with {unconstrained} gauge symmetry is determined by a previous BRST construction.

  7. Static wormhole solution for higher-dimensional gravity in vacuum

    E-Print Network [OSTI]

    Gustavo Dotti; Julio Oliva; Ricardo Troncoso

    2006-12-29

    A static wormhole solution for gravity in vacuum is found for odd dimensions greater than four. In five dimensions the gravitational theory considered is described by the Einstein-Gauss-Bonnet action where the coupling of the quadratic term is fixed in terms of the cosmological constant. In higher dimensions d=2n+1, the theory corresponds to a particular case of the Lovelock action containing higher powers of the curvature, so that in general, it can be written as a Chern-Simons form for the AdS group. The wormhole connects two asymptotically locally AdS spacetimes each with a geometry at the boundary locally given by R times S^{1} times H_{d-3}. Gravity pulls towards a fixed hypersurface located at some arbitrary proper distance parallel to the neck. The causal structure shows that both asymptotic regions are connected by light signals in a finite time. The Euclidean continuation of the wormhole is smooth independently of the Euclidean time period, and it can be seen as instanton with vanishing Euclidean action. The mass can also be obtained from a surface integral and it is shown to vanish.

  8. Duality Groups, Automorphic Forms and Higher Derivative Corrections

    E-Print Network [OSTI]

    Neil Lambert; Peter West

    2007-02-21

    We study the higher derivative corrections that occur in type II superstring theories in ten dimensions or less. Assuming invariance under a discrete duality group G(Z) we show that the generic functions of the scalar fields that occur can be identified with automorphic forms. We then give a systematic method to construct automorphic forms from a given group G(Z) together with a chosen subgroup H and a linear representation of G(Z). This construction is based on the theory of non-linear realizations and we find that the automorphic forms contain the weights of G. We also carry out the dimensional reduction of the generic higher derivative corrections of the IIB theory to three dimensions and find that the weights of E_8 occur generalizing previous results of the authors on M-theory. Since the automorphic forms of this theory contain the weights of E_8 we can interpret the occurrence of weights in the dimensional reduction as evidence for an underlying U-duality symmetry.

  9. Particle Creation by Naked Singularities in Higher Dimensions

    E-Print Network [OSTI]

    Umpei Miyamoto; Hiroya Nemoto; Masahiro Shimano

    2011-03-28

    Recently, the possibility was pointed out by one of the present authors and his collaborators that an effective naked singularity referred to as "a visible border of spacetime" is generated by high-energy particle collision in the context of large extra dimensions or TeV-scale gravity. In this paper, we investigate the particle creation by a naked singularity in general dimensions, while adopting a model in which a marginally naked singularity forms in the collapse of a homothetic lightlike pressureless fluid. We find that the spectrum deviates from that of Hawking radiation due to scattering near the singularity but can be recast in quasi-thermal form. The temperature is always higher than that of Hawking radiation of a same-mass black hole, and can be arbitrarily high depending on a parameter in the model. This implies that, in principle, the naked singularity may be distinguished from a black hole in collider experiments.

  10. Particle creation by naked singularities in higher dimensions

    SciTech Connect (OSTI)

    Miyamoto, Umpei; Nemoto, Hiroya; Shimano, Masahiro

    2011-04-15

    Recently, the possibility was pointed out by one of the present authors and his collaborators that an effective naked singularity referred to as ''a visible border of spacetime'' is generated by high-energy particle collision in the context of large extra dimensions or TeV-scale gravity. In this paper, we investigate the particle creation by a naked singularity in general dimensions, while adopting a model in which a marginally naked singularity forms in the collapse of a homothetic lightlike pressureless fluid. We find that the spectrum deviates from that of Hawking radiation due to scattering near the singularity but can be recast in quasithermal form. The temperature is always higher than that of Hawking radiation of a same-mass black hole, and can be arbitrarily high depending on a parameter in the model. This implies that, in principle, the naked singularity may be distinguished from a black hole in collider experiments.

  11. Catalysts for conversion of methane to higher hydrocarbons

    DOE Patents [OSTI]

    Siriwardane, Ranjani V. (Morgantown, WV)

    1993-01-01

    Catalysts for converting methane to higher hydrocarbons such as ethane and ethylene in the presence of oxygen at temperatures in the range of about 700.degree. to 900.degree. C. are described. These catalysts comprise calcium oxide or gadolinium oxide respectively promoted with about 0.025-0.4 mole and about 0.1-0.7 mole sodium pyrophosphate. A preferred reaction temperature in a range of about 800.degree. to 850.degree. C. with a preferred oxygen-to-methane ratio of about 2:1 provides an essentially constant C.sub.2 hydrocarbon yield in the range of about 12 to 19 percent over a period of time greater than about 20 hours.

  12. Pulse transmission transmitter including a higher order time derivate filter

    DOE Patents [OSTI]

    Dress, Jr., William B.; Smith, Stephen F.

    2003-09-23

    Systems and methods for pulse-transmission low-power communication modes are disclosed. A pulse transmission transmitter includes: a clock; a pseudorandom polynomial generator coupled to the clock, the pseudorandom polynomial generator having a polynomial load input; an exclusive-OR gate coupled to the pseudorandom polynomial generator, the exclusive-OR gate having a serial data input; a programmable delay circuit coupled to both the clock and the exclusive-OR gate; a pulse generator coupled to the programmable delay circuit; and a higher order time derivative filter coupled to the pulse generator. The systems and methods significantly reduce lower-frequency emissions from pulse transmission spread-spectrum communication modes, which reduces potentially harmful interference to existing radio frequency services and users and also simultaneously permit transmission of multiple data bits by utilizing specific pulse shapes.

  13. Polymer quantization, stability and higher-order time derivative terms

    E-Print Network [OSTI]

    Cumsille, Patricio; Ossandon, Sebastian; Reyes, Camilo

    2015-01-01

    The stability of higher-order time derivative theories using the polymer extension of quantum mechanics is studied. First, we focus on the well-known Pais-Uhlenbeck model and by casting the theory into the sum of two decoupled harmonic oscillators we show that the energy spectrum is composed with positive and negative energy parts. The Schrodinger quantization of the model with creation and annihilations operators leads to a theory with unbounded Hamiltonian that can be interpreted in terms of normal particles and Lee-Wick-like particles responsible for the instability. We investigate whether the fundamental discreetness implicit in the polymer quantization can regularize the effects of the negative energies introduced by the Lee-Wick-like particles which are associated to a high-energy scale. Precisely, we show that the polymer quantization leads to a positive defined Hamiltonian whose stability is improved as the number of Lee-Wick-like particles grows.

  14. A new eight vertex model and higher dimensional, multiparameter generalizations

    E-Print Network [OSTI]

    B. Abdesselam; A. Chakrabarti

    2008-02-12

    We study statistical models, specifically transfer matrices corresponding to a multiparameter hierarchy of braid matrices of $(2n)^2\\times(2n)^2$ dimensions with $2n^2$ free parameters $(n=1,2,3,...)$. The simplest, $4\\times 4$ case is treated in detail. Powerful recursion relations are constructed giving the dependence on the spectral parameter $\\theta$ of the eigenvalues of the transfer matrix explicitly at each level of coproduct sequence. A brief study of higher dimensional cases ($n\\geq 2$) is presented pointing out features of particular interest. Spin chain Hamiltonians are also briefly presented for the hierarchy. In a long final section basic results are recapitulated with systematic analysis of their contents. Our eight vertex $4\\times 4$ case is compared to standard six vertex and eight vertex models.

  15. Renyi information from entropic effects in one higher dimension

    E-Print Network [OSTI]

    Maghrebi, Mohammad F

    2015-01-01

    Computing entanglement entropy and its cousins is often challenging even in the simplest continuum and lattice models, partly because such entropies depend nontrivially on all geometric characteristics of the entangling region. Quantum information measures between two or more regions are even more complicated, but contain more, and universal, information. In this paper, we focus on Renyi entropy and information of the order n=2. For a free field theory, we show that these quantities are mapped to the change of the thermodynamic free energy by introducing boundaries subject to Dirichlet and Neumann boundary conditions in one higher dimension. This mapping allows us to exploit the powerful tools available in the context of thermal Casimir effect, specifically a multipole expansion suited for computing the Renyi information between arbitrarily-shaped regions. We provide an alternative representation as a sum over closed-loop polymers, which establishes a connection to purely entropic effects, and proves useful i...

  16. Thermoelectric DC conductivities with momentum dissipation from higher derivative gravity

    E-Print Network [OSTI]

    Long Cheng; Xian-Hui Ge; Zu-Yao Sun

    2015-04-28

    We present a mechanism of momentum relaxation in higher derivative gravity by adding linear scalar fields to the Gauss-Bonnet theory. We analytically computed all of the DC thermoelectric conductivities in this theory by adopting the method given by Donos and Gauntlett in [arXiv:1406.4742]. The results show that the DC electric conductivity is not a monotonic function of the effective impurity parameter $\\beta$: in the small $\\beta$ limit, the DC conductivity is dominated by the coherent phase, while for larger $\\beta$, pair creation contribution to the conductivity becomes dominant, signaling an incoherent phase. In addition, the DC heat conductivity is found independent of the Gauss-Bonnet coupling constant.

  17. Polymer quantization, stability and higher-order time derivative terms

    E-Print Network [OSTI]

    Patricio Cumsille; Carlos M. Reyes; Sebastian Ossandon; Camilo Reyes

    2015-03-24

    The stability of higher-order time derivative theories using the polymer extension of quantum mechanics is studied. First, we focus on the well-known Pais-Uhlenbeck model and by casting the theory into the sum of two decoupled harmonic oscillators we show that the energy spectrum is composed with positive and negative energy parts. The Schrodinger quantization of the model with creation and annihilations operators leads to a theory with unbounded Hamiltonian that can be interpreted in terms of normal particles and Lee-Wick-like particles responsible for the instability. We investigate whether the fundamental discreetness implicit in the polymer quantization can regularize the effects of the negative energies introduced by the Lee-Wick-like particles which are associated to a high-energy scale. Precisely, we show that the polymer quantization leads to a positive defined Hamiltonian whose stability is improved as the number of Lee-Wick-like particles grows.

  18. Commercial Buildings Partnerships - Overview of Higher Education Projects

    SciTech Connect (OSTI)

    Parrish, Kristen; Robinson, Alastair; Regnier, Cindy

    2013-02-01

    The Commercial Building Partnership (CBP), a public/private, cost-shared program sponsored by the U.S. Department of Energy (DOE), paired selected commercial building owners and operators with representatives of DOE, its national laboratories, and private-sector technical experts. These teams explored energy-saving measures across building systems – including some considered too costly or technologically challenging – and used advanced energy modeling to achieve peak whole-building performance. Modeling results were then included in new construction or retrofit designs to achieve significant energy reductions. CBP design goals aimed to achieve 50 percent energy savings compared to ANSI/ASHRAE/IES Standard 90.1-2004 for new construction, while retrofits are designed to consume at least 30 percent less energy than either Standard 90.1-2004 or current consumption. After construction and commissioning of the project, laboratory staff continued to work with partners to collect and analyze data for verification of the actual energy reduction. CBP projects represent diverse building types in commercial real estate, including lodging, grocery, retail, higher education, office, and warehouse/storage facilities. Partners also commit to replicating low-energy technologies and strategies from their CBP projects throughout their building portfolios. As a result of CBP projects, five sector overviews (Lodging, Food Sales, General Merchandise, Higher Education, Offices) were created to capture successful strategies and recommended energy efficiency measures that could broadly be applied across these sectors. These overviews are supplemented with individual case studies providing specific details on the decision criteria, modeling results, and lessons learned on specific projects. Sector overviews and CBP case studies will also be updated to reflect verified data and replication strategies as they become available.

  19. What Can China Do? China's Best Alternative Outcome for Energy Efficiency and CO2 Emissions

    SciTech Connect (OSTI)

    G. Fridley, David; Zheng, Nina; T. Aden, Nathaniel

    2010-07-01

    After rapid growth in economic development and energy demand over the last three decades, China has undertaken energy efficiency improvement efforts to reduce its energy intensity under the 11th Five Year Plan (FYP). Since becoming the world's largest annual CO{sub 2} emitter in 2007, China has set reduction targets for energy and carbon intensities and committed to meeting 15% of its total 2020 energy demand with non-fossil fuel. Despite having achieved important savings in 11th FYP efficiency programs, rising per capita income and the continued economic importance of trade will drive demand for transport activity and fuel use. At the same time, an increasingly 'electrified' economy will drive rapid power demand growth. Greater analysis is therefore needed to understand the underlying drivers, possible trajectories and mitigation potential in the growing industrial, transport and power sectors. This study uses scenario analysis to understand the likely trajectory of China's energy and carbon emissions to 2030 in light of the current and planned portfolio of programs, policies and technology development and ongoing urbanization and demographic trends. It evaluates the potential impacts of alternative transportation and power sector development using two key scenarios, Continued Improvement Scenario (CIS) and Accelerated Improvement Scenario (AIS). CIS represents the most likely path of growth based on continuation of current policies and meeting announced targets and goals, including meeting planned appliance efficiency standard revisions, fuel economy standards, and industrial targets and moderate phase-out of subcritical coal-fired generation with additional non-fossil generation. AIS represents a more aggressive trajectory of accelerated improvement in energy intensity and decarbonized power and transport sectors. A range of sensitivity analysis and power technology scenarios are tested to evaluate the impact of additional actions such as carbon capture and sequestration (CCS) and integrated mine-mouth generation. The CIS and AIS results are also contextualized and compared to model scenarios in other published studies. The results of this study show that China's energy and CO{sub 2} emissions will not likely peak before 2030, although growth is expected to slow after 2020. Moreover, China will be able to meet its 2020 carbon intensity reduction target of 40 to 45% under both CIS and AIS, but only meet its 15% non-fossil fuel target by 2020 under AIS. Under both scenarios, efficiency remains a key resource and has the same, if not greater, mitigation potential as new technologies in transport and power sectors. In the transport sector, electrification will be closely linked the degree of decarbonization in the power sector and EV deployment has little or no impact on China's crude oil import demand. Rather, power generation improvements have the largest sector potential for overall emission mitigation while mine-mouth power generation and CCS have limited mitigation potential compared to fuel switching and efficiency improvements. Comparisons of this study's results with other published studies reveal that CIS and AIS are within the range of other national energy projections but alternative studies rely much more heavily on CCS for carbon reduction. The McKinsey study, in particular, has more optimistic assumptions for reductions in crude oil imports and coal demand in its abatement scenario and has much higher gasoline reduction potential for the same level of EV deployment. Despite these differences, this study's scenario analysis of both transport and power sectors illustrate the necessity for continued efficiency improvements and aggressive power sector decarbonization in flattening China's CO{sub 2} emissions.

  20. LIBERALIZING THE ACADEMY: The Transformation Of Higher Education In the United States And Germany*

    E-Print Network [OSTI]

    Schulze-Cleven, Tobias

    2015-01-01

    Change in Higher Education. ” World Politics 60(January):Science and the Study of Education. ” British Journal ofR. 1983. The Higher Education System. Academic Organization

  1. Higher Education and China’s Defense Science and Technology Establishment

    E-Print Network [OSTI]

    ALDERMAN, Daniel

    2015-01-01

    7 January 2015 Higher Education and China’s Defense Sciencetalented personnel. The education of China’s defense scienceits institutes of higher education are not better preparing

  2. Higher-dimensional perfect fluids and empty singular boundaries

    E-Print Network [OSTI]

    Ricardo E. Gamboa Saravi

    2012-04-22

    In order to find out whether empty singular boundaries can arise in higher dimensional Gravity, we study the solution of Einstein's equations consisting in a ($N+2$)-dimensional static and hyperplane symmetric perfect fluid satisfying the equation of state $\\rho=\\eta\\, p$, being $\\rho$ an arbitrary constant and $N\\geq2$. We show that this spacetime has some weird properties. In particular, in the case $\\eta>-1$, it has an empty (without matter) repulsive singular boundary. We also study the behavior of geodesics and the Cauchy problem for the propagation of massless scalar field in this spacetime. For $\\eta>1$, we find that only vertical null geodesics touch the boundary and bounce, and all of them start and finish at $z=\\infty$; whereas non-vertical null as well as all time-like ones are bounded between two planes determined by initial conditions. We obtain that the Cauchy problem for the propagation of a massless scalar field is well-posed and waves are completely reflected at the singularity, if we only demand the waves to have finite energy, although no boundary condition is required.

  3. Dynamical stability of Minkowski space in higher order gravity

    E-Print Network [OSTI]

    Petr V. Tretyakov

    2015-05-19

    We discuss the Minkowski stability problem in modified gravity by using dynamical system approach. The method to investigate dynamical stability of Minkowski space was proposed. This method was applied for some modified gravity theories, such as $f(R)$ gravity, $f(R)+\\alpha R\\Box R$ gravity and scalar-tensor gravity models with non-minimal kinetic coupling. It was shown that in the case of $f(R)$ gravity Minkowski solution asymptotically stable in ghost-free ($f'>0$) and tachyon-free ($f">0$) theories in expanding Universe with respect to isotropic and basic anisotropic perturbations. In the case of higher order gravity with $\\alpha R\\Box R$ correction conditions of Minkowski stability with respect to isotropic perturbations significantly different: $f'(0)0$. And in the case of scalar-tensor gravity with non-minimal kinetic coupling Minkowski solution asymptotically stable in expanding Universe with respect to isotropic perturbations of metric. Moreover the developed method may be used for finding additional restrictions on parameters of different modified gravity theories.

  4. Global solutions for higher-dimensional stretched small black holes

    SciTech Connect (OSTI)

    Chen, C.-M.; Gal'tsov, Dmitri V.; Ohta, Nobuyoshi; Orlov, Dmitry G.

    2010-01-15

    Small black holes in heterotic string theory have a vanishing horizon area at the supergravity level, but the horizon is stretched to the finite radius AdS{sub 2}xS{sup D-2} geometry once higher curvature corrections are turned on. This has been demonstrated to give good agreement with microscopic entropy counting. Previous considerations, however, were based on the classical local solutions valid only in the vicinity of the event horizon. Here we address the question of global existence of extremal black holes in the D-dimensional Einstein-Maxwell-Dilaton theory with the Gauss-Bonnet term introducing a variable dilaton coupling a as a parameter. We show that asymptotically flat black holes exist only in a bounded region of the dilaton couplings 0=}5 (but not for D=4) the allowed range of a includes the heterotic string values. For a>a{sub cr} numerical solutions meet weak naked singularities at finite radii r=r{sub cusp} (spherical cusps), where the scalar curvature diverges as |r-r{sub cusp}|{sup -1/2}. For D{>=}7 cusps are met in pairs, so that solutions can be formally extended to asymptotically flat infinity choosing a suitable integration variable. We show, however, that radial geodesics cannot be continued through the cusp singularities, so such a continuation is unphysical.

  5. Tensor complexes: Multilinear free resolutions constructed from higher tensors

    E-Print Network [OSTI]

    Berkesch, Christine; Kummini, Manoj; Sam, Steven V

    2011-01-01

    The most fundamental complexes of free modules over a commutative ring are the Koszul complex, which is constructed from a vector (i.e., a 1-tensor), and the Eagon--Northcott and the Buchsbaum--Rim complexes, which are constructed from a matrix (i.e., a 2-tensor). The subject of this paper is a multilinear analogue of these complexes, which we construct from an arbitrary higher tensor. Our construction provides detailed new examples of minimal free resolutions, as well as a unifying view on a wide variety of complexes including: the Eagon--Northcott, Buchsbaum--Rim and similar complexes, the Eisenbud--Schreyer pure resolutions, and the complexes used by Gelfand--Kapranov--Zelevinsky and Weyman to compute hyperdeterminants. In addition, we provide applications to the study of pure resolutions and Boij--Soederberg theory, including the construction of infinitely many new families of pure resolutions and the first explicit description of the differentials of the Eisenbud--Schreyer pure resolutions.

  6. PROMOTED ZINC CHROMITE CATALYSTS FOR HIGHER ALCOHOL SYNTHESIS

    SciTech Connect (OSTI)

    Ms. Xiaolei Sun; Professor George W. Roberts

    2001-06-15

    This report describes the analytical protocols that were developed during the last two years to analyze ''spent'' THQ (tetrahydroquinoline) slurry liquid. Identification of the components of the ''spent'' THQ should help to understand the influence of the slurry medium on the methanol synthesis reaction, and on other reactions with THQ as the slurry liquid. Silica gel liquid chromatography and high performance liquid chromatography (HPLC) were used to isolate and purify the major compounds in the ''spent'' slurry liquid. Gas chromatography/mass spectroscopy (GC/MS), Fourier transform infrared (FTIR) and nuclear magnetic resonance (NMR) were applied to identify the major compounds. Methyl-, dimethyl-, and trimethyl-THQ were found to comprise more than 80% of the ''spent'' liquid. The balance was various methylated indoles. A methyl group always is attached to the N atom in the ring structure. Speculative mechanisms are presented that may help to understand the interaction between the catalyst and the alkylated THQ slurry liquid, and the effect of liquid composition on the methanol synthesis reaction. A poster entitled ''Promoted Zinc Chromite Catalyst for Higher Alcohol Synthesis in a Slurry Reactor-2. Spent Liquid Analysis'' was presented at the AIChE National Meeting, Los Angeles, CA, Nov 12-17, 2000.

  7. Thermodynamics of higher spin black holes in 3D

    E-Print Network [OSTI]

    Justin R. David; Michael Ferlaino; S. Prem Kumar

    2012-10-01

    We examine the thermodynamic properties of recently constructed black hole solutions in SL(3,R) x SL(3,R) Chern-Simons theory in the presence of a chemical potential for spin-3 charge, which acts as an irrelevant deformation of the dual CFT with W_3 x W_3 symmetry. The smoothness or holonomy conditions admit four branches of solutions describing a flow between two AdS_3 backgrounds corresponding to two different CFTs. The dominant branch at low temperatures, connected to the BTZ black hole, merges smoothly with a thermodynamically unstable branch and disappears at higher temperatures. We confirm that the UV region of the flow satisfies the Ward identities of a CFT with W_3^(2) x W_3^(2) symmetry deformed by a spin-3/2 current. This allows to identify the precise map between UV and IR thermodynamic variables. We find that the high temperature regime is dominated by a black hole branch whose thermodynamics can only be consistently inferred with reference to this W_3^(2) x W_3^(2) CFT.

  8. Double Quarter Wave Crab Cavity Field Profile Analysis and Higher Order Mode Characterization

    SciTech Connect (OSTI)

    Marques, Carlos; Xiao, B. P.; Belomestnykh, S.

    2014-06-01

    The Large Hadron Collider (LHC) is underway for a major upgrade to increase its luminosity by an order of magnitude beyond its original design specifications. This novel machine configuration known as the High Luminosity LHC (HL-LHC) will rely on various innovative technologies including very compact and ultra-precise superconducting crab cavities for beam rotation. A double quarter wave crab cavity (DQWCC) has been designed at Brookhaven National Laboratory for the HL-LHC. This cavity as well as the structural support components were fabricated and assembled at Niowave. The field profile of the crabbing mode for the DQWCC was investigated using a phase shift bead pulling technique and compared with simulated results to ensure proper operation or discover discrepancies from modeled results and/or variation in fabrication tolerances. Higher-Order Mode (HOM) characterization was also performed and correlated with simulations.

  9. The holographic superconductors in higher-dimensional AdS soliton

    E-Print Network [OSTI]

    Chong Oh Lee

    2012-07-30

    We explore the behaviors of the holographic superconductors at zero temperature for a charged scalar field coupled to a Maxwell field in higher-dimensional AdS soliton spacetime via analytical way. In the probe limit, we obtain the critical chemical potentials increase linearly as a total dimension $d$ grows up. We find that the critical exponent for condensation operator is obtained as 1/2 independently of $d$, and the charge density is linearly related to the chemical potential near the critical point. Furthermore, we consider a slightly generalized setup the Einstein-Power-Maxwell field theory, and find that the critical exponent for condensation operator is given as $1/(4-2n)$ in terms of a power parameter $n$ of the Power-Maxwell field, and the charge density is proportional to the chemical potential to the power of $1/(2-n)$.

  10. Effects of (Al,Ge) double doping on the thermoelectric properties of higher manganese silicides

    SciTech Connect (OSTI)

    Chen, Xi; Salta, Daniel; Zhang, Libin [Materials Science and Engineering Program, Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712 (United States); Weathers, Annie [Department of Mechanical Engineering, The University of Texas at Austin, Austin, Texas 78712 (United States); Zhou, Jianshi; Goodenough, John B.; Shi, Li [Materials Science and Engineering Program, Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712 (United States); Department of Mechanical Engineering, The University of Texas at Austin, Austin, Texas 78712 (United States)

    2013-11-07

    Experiments and analysis have been carried out to investigate the effects of Al and (Al,Ge) doping on the microstructure and thermoelectric properties of polycrystalline higher manganese silicide (HMS) samples, which were prepared by solid-state reaction, ball milling, and followed by spark plasma sintering. It has been found that Al doping effectively increases the hole concentration, which leads to an increase in the electrical conductivity and power factor. By introducing the second dopant Ge into Al-doped HMS, the electrical conductivity is increased, and the Seebeck coefficient is decreased as a result of further increased hole concentration. The peak power factor is found to occur at a hole concentration between 1.8?×?10{sup 21} and 2.2?×?10{sup 21}?cm{sup ?3} measured at room temperature. The (Al,Ge)-doped HMS samples show lower power factors owing to their higher hole concentrations. The mobility of Mn(Al{sub 0.0035}Ge{sub y}Si{sub 0.9965-y}){sub 1.8} with y?=?0.035 varies approximately as T{sup ?3/2} above 200?K, suggesting acoustic phonon scattering is the dominant scattering mechanism. The thermal conductivity of HMS does not change appreciably by Al or (Al,Ge) doping. The maximum ZT of (Al,Ge)-doped HMS is 0.57 at 823?K, which is similar to the highest value found in the Al-doped HMS samples. The ZT values were reduced in the Mn(Al{sub 0.0035}Ge{sub y}Si{sub 0.9965-y}){sub 1.8} samples with high Ge concentration of y?=?0.025 and 0.035, because of reduced power factor. In addition, a two-band model was employed to show that the hole contribution to the thermal conductivity dominates the bipolar and electron contributions for all samples from 300 to 823?K and accounts for about 12% of the total thermal conductivity at about 800?K.

  11. Effective Fouling Minimization Increases the Efficiency and Productivi...

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

    Effective Fouling Minimization Increases the Efficiency and Productivity of Refineries Effective Fouling Minimization Increases the Efficiency and Productivity of Refineries This...

  12. Federal Strategies to Increase the Implementation of CHP in the...

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

    Federal Strategies to Increase the Implementation of CHP in the United States, June 1999 Federal Strategies to Increase the Implementation of CHP in the United States, June 1999...

  13. United States, France and Japan Increase Cooperation on Sodium...

    Energy Savers [EERE]

    United States, France and Japan Increase Cooperation on Sodium-Cooled Fast Reactor Prototypes United States, France and Japan Increase Cooperation on Sodium-Cooled Fast Reactor...

  14. Department of Energy Launches Major Initiative to Increase Energy...

    Energy Savers [EERE]

    Department of Energy Launches Major Initiative to Increase Energy Savings Across the Nationwide DOE Complex by 30 Percent Department of Energy Launches Major Initiative to Increase...

  15. Project Profile: Cleanable and Hardcoat Coatings for Increased...

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

    Cleanable and Hardcoat Coatings for Increased Durability of Silvered Polymeric Mirrors Project Profile: Cleanable and Hardcoat Coatings for Increased Durability of Silvered...

  16. Protecting the Electric Grid from Increasingly Severe Weather...

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

    Protecting the Electric Grid from Increasingly Severe Weather Due to Climate Change Protecting the Electric Grid from Increasingly Severe Weather Due to Climate Change August 12,...

  17. Mentoring and Educating to Increase Diversity in Science, Tech...

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

    Mentoring and Educating to Increase Diversity in Science, Tech, Engineering and Math Mentoring and Educating to Increase Diversity in Science, Tech, Engineering and Math October...

  18. Department of Energy Finalizes Regulations to Increase Energy...

    Energy Savers [EERE]

    Finalizes Regulations to Increase Energy Efficiency in New Federal Buildings by 30% Department of Energy Finalizes Regulations to Increase Energy Efficiency in New Federal...

  19. Wind Concurrent Cooling Could Increase Power Transmission Potential...

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

    Concurrent Cooling Could Increase Power Transmission Potential by as Much as 40% Wind Concurrent Cooling Could Increase Power Transmission Potential by as Much as 40% May 18, 2015...

  20. CHP SYSTEM AT FOOD PROCESSING PLANT INCREASES RELIABILITY AND...

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

    CHP SYSTEM AT FOOD PROCESSING PLANT INCREASES RELIABILITY AND REDUCES EMISSIONS - CASE STUDY, 2015 CHP SYSTEM AT FOOD PROCESSING PLANT INCREASES RELIABILITY AND REDUCES EMISSIONS -...

  1. Increasing Hydrodynamic Efficiency by Reducing Cross-Beam Energy...

    Office of Scientific and Technical Information (OSTI)

    Increasing Hydrodynamic Efficiency by Reducing Cross-Beam Energy Transfer in Direct-Drive-Implosion Experiments Citation Details In-Document Search Title: Increasing Hydrodynamic...

  2. Metal and Glass Manufacturers Reduce Costs by Increasing Energy...

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

    Metal and Glass Manufacturers Reduce Costs by Increasing Energy Efficiency in Process Heating Systems Metal and Glass Manufacturers Reduce Costs by Increasing Energy Efficiency in...

  3. California: Energy-Efficient Glass Saves Energy Costs, Increases...

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

    Energy-Efficient Glass Saves Energy Costs, Increases Personal Comfort California: Energy-Efficient Glass Saves Energy Costs, Increases Personal Comfort April 18, 2013 - 12:00am...

  4. Increase Natural Gas Energy Efficiency | OpenEI Community

    Open Energy Info (EERE)

    Increase Natural Gas Energy Efficiency > Posts by term > Increase Natural Gas Energy Efficiency Content Group Activity By term Q & A Feeds Term: Combined Heat And Power...

  5. Increasing Community Access to Solar: Designing and Developing...

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

    Increasing Community Access to Solar: Designing and Developing a Shared Solar Photovoltaic System (Fact Sheet), U.S. Department of Energy (DOE) Increasing Community Access to...

  6. Enhanced Tissue Adhesion by Increased Porosity and Surface Roughness...

    Office of Scientific and Technical Information (OSTI)

    Enhanced Tissue Adhesion by Increased Porosity and Surface Roughness of Carbon Based Biomaterials Citation Details In-Document Search Title: Enhanced Tissue Adhesion by Increased...

  7. Energy Department Announces $9 Million to Lower Costs, Increase...

    Office of Environmental Management (EM)

    9 Million to Lower Costs, Increase Performance of Solar Energy Systems Energy Department Announces 9 Million to Lower Costs, Increase Performance of Solar Energy Systems December...

  8. Federal Government Increases Renewable Energy Use Over 1000 Percent...

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

    Government Increases Renewable Energy Use Over 1000 Percent since 1999; Exceeds Goal Federal Government Increases Renewable Energy Use Over 1000 Percent since 1999; Exceeds Goal...

  9. California: Energy-Efficient Glass Saves Energy Costs, Increases...

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

    California: Energy-Efficient Glass Saves Energy Costs, Increases Personal Comfort California: Energy-Efficient Glass Saves Energy Costs, Increases Personal Comfort April 18, 2013 -...

  10. Role of Thermoelectrics in Vehicle Efficiency Increase | Department...

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

    Role of Thermoelectrics in Vehicle Efficiency Increase Role of Thermoelectrics in Vehicle Efficiency Increase 2005 Diesel Engine Emissions Reduction (DEER) Conference Presentations...

  11. Increasing LTC Engine Efficiency by Reducing Pressure-Oscillation...

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

    Increasing LTC Engine Efficiency by Reducing Pressure-Oscillation-Related Heat Transfer Losses Increasing LTC Engine Efficiency by Reducing Pressure-Oscillation-Related Heat...

  12. Evaluation Helps Program Increase Sales of Energy Saving Light...

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

    Program Increase Sales of Energy Saving Light Bulbs Among Women Evaluation Helps Program Increase Sales of Energy Saving Light Bulbs Among Women This document, from the Wisconsin...

  13. Evaluation Helps Program Increase Sales of Energy Saving Light...

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

    Evaluation Helps Program Increase Sales of Energy Saving Light Bulbs Among Women Evaluation Helps Program Increase Sales of Energy Saving Light Bulbs Among Women This document,...

  14. Flight at Low Ambient Humidity Increases Protein Catabolism

    E-Print Network [OSTI]

    Zanette, Liana

    and to increase flight range, (ii) the requirement for gluconeogenesis and anaplerosis of Kreb's cycle

  15. VI. EVALUATION OF FACULTY F. Merit Categories and Salary Increases

    E-Print Network [OSTI]

    Kunkle, Tom

    VI. EVALUATION OF FACULTY F. Merit Categories and Salary Increases Eligibility for any salary member is eligible for any salary increase. Eligibility for any salary increase requires satisfying for these designations. In addition to merit ratings, market factors may contribute to a salary increase. Market factors

  16. Oil Recovery Increases by Low-Salinity Flooding: Minnelusa and Green River Formations

    SciTech Connect (OSTI)

    Eric P. Robertson

    2010-09-01

    Waterflooding is by far the most widely used method in the world to increase oil recovery. Historically, little consideration has been given in reservoir engineering practice to the effect of injection brine composition on waterflood displacement efficiency or to the possibility of increased oil recovery through manipulation of the composition of the injected water. However, recent work has shown that oil recovery can be significantly increased by modifying the injection brine chemistry or by injecting diluted or low salinity brine. This paper reports on laboratory work done to increase the understanding of improved oil recovery by waterflooding with low salinity injection water. Porous media used in the studies included outcrop Berea sandstone (Ohio, U.S.A.) and reservoir cores from the Green River formation of the Uinta basin (Utah, U.S.A.). Crude oils used in the experimental protocols were taken from the Minnelusa formation of the Powder River basin (Wyoming, U.S.A.) and from the Green River formation, Monument Butte field in the Uinta basin. Laboratory corefloods using Berea sandstone, Minnelusa crude oil, and simulated Minnelusa formation water found a significant relationship between the temperature at which the oil- and water-saturated cores were aged and the oil recovery resulting from low salinity waterflooding. Lower aging temperatures resulted in very little to no additional oil recovery, while cores aged at higher temperatures resulted in significantly higher recoveries from dilute-water floods. Waterflood studies using reservoir cores and fluids from the Green River formation of the Monument Butte field also showed significantly higher oil recoveries from low salinity waterfloods with cores flooded with fresher water recovering 12.4% more oil on average than those flooded with undiluted formation brine.

  17. Higher Resolution VLBI Imaging with Fast Frequency Switching

    E-Print Network [OSTI]

    E. Middelberg; A. L. Roy; R. C. Walker; H. Falcke; T. P. Krichbaum

    2002-07-03

    Millimetre-VLBI is an important tool in AGN astrophysics, but it is limited by short atmospheric coherence times and poor receiver and antenna performance. We demonstrate a new kind of phase referencing for the VLBA, enabling us to increase the sensitivity in mm-VLBI by an order of magnitude. If a source is observed in short cycles between the target frequency, nu_t, and a reference frequency, nu_ref, the nu_t data can be calibrated using scaled-up phase solutions from self-calibration at nu_ref. We have demonstrated the phase transfer on 3C 279, where we were able to make an 86 GHz image with 90 % coherence compared to self-calibration at nu_t. We have detected M81, our science target in this project, at 86 GHz using the same technique. We describe scheduling strategy and data reduction. The main impacts of fast frequency switching are the ability to image some of the nearest, but relatively weak AGN cores with unprecedented high angular resolution and to phase-reference the nu_t data to the nu_ref core position, enabling the detection of possible core shifts in jets due to optical depth effects. This ability will yield important constraints on jet properties and might be able to discriminate between the two competing emission models of Blandford-Konigl jets and spherical advection-dominated accretion flows (ADAFs) in low-luminosity AGNs.

  18. Observed Increase of TTL Temperature and Water Vapor in Polluted Couds over Asia

    SciTech Connect (OSTI)

    Su, Hui; Jiang, Jonathan; Liu, Xiaohong; Penner, J.; Read, William G.; Massie, Steven T.; Schoeberl, Mark R.; Colarco, Peter; Livesey, Nathaniel J.; Santee, Michelle L.

    2011-06-01

    Aerosols can affect cloud particle size and lifetime, which impacts precipitation, radiation and climate. Previous studies1-4 suggested that reduced ice cloud particle size and fall speed due to the influence of aerosols may increase evaporation of ice crystals and/or cloud radiative heating in the tropical tropopause layer (TTL), leading to higher water vapor abundance in air entering the stratosphere. Observational substantiation of such processes is still lacking. Here, we analyze new observations from multiple NASA satellites to show the imprint of pollution influence on stratospheric water vapor. We focus our analysis on the highly-polluted South and East Asia region during boreal summer. We find that "polluted" ice clouds have smaller ice effective radius than "clean" clouds. In the TTL, the polluted clouds are associated with warmer temperature and higher specific humidity than the clean clouds. The water vapor difference between the polluted and clean clouds cannot be explained by other meteorological factors, such as updraft and detrainment strength. Therefore, the observed higher water vapor entry value into the stratosphere in the polluted clouds than in the clean clouds is likely a manifestation of aerosol pollution influence on stratospheric water vapor. Given the radiative and chemical importance of stratospheric water vapor, the increasing emission of aerosols over Asia may have profound impacts on stratospheric chemistry and global energy balance and water cycle.

  19. Journal Article: Diversity Literature Review in Higher Education; The Next Research Agenda" by Yolanda Moses and Jenny Banh in Multiculturalism in Higher Education Journal (2010)

    E-Print Network [OSTI]

    Banh, Jenny

    2010-01-01

    A preliminary Study. Journal of Black Psychology. 26(3),a Multiple Perspective Approach. Journal of College StudentEducational Resiliency. Journal of Hispanic Higher

  20. New Eligibility Guidelines Lead to Increase in LM's EEOICPA Requests...

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

    New Eligibility Guidelines Lead to Increase in LM's EEOICPA Requests for FY 2014 New Eligibility Guidelines Lead to Increase in LM's EEOICPA Requests for FY 2014 January 14, 2015 -...

  1. New Mexico Crude Oil + Lease Condensate Reserves Revision Increases...

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

    Increases (Million Barrels) New Mexico Crude Oil + Lease Condensate Reserves Revision Increases (Million Barrels) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7...

  2. 20% Wind Energy by 2030: Increasing Wind Energy's Contribution...

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

    20% Wind Energy by 2030: Increasing Wind Energy's Contribution to U.S. Electricity Supply 20% Wind Energy by 2030: Increasing Wind Energy's Contribution to U.S. Electricity Supply...

  3. On distinguishing progressively increasing response requirements for reinforcement.

    E-Print Network [OSTI]

    Jarmolowicz, David P.; Lattal, K. A.

    2010-03-01

    Several different arrangements have been described for increasing the response requirements for reinforcement using the label progressive-ratio schedule. Under the original progressive-ratio schedule, the response requirement is increased after each...

  4. Apply: Increase Residential Energy Code Compliance Rates (DE...

    Energy Savers [EERE]

    Apply: Increase Residential Energy Code Compliance Rates (DE-FOA-0000953) Apply: Increase Residential Energy Code Compliance Rates (DE-FOA-0000953) April 21, 2014 - 12:32pm Addthis...

  5. Case Study: Fuel Cells Increase Reliability at First National...

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

    Increase Reliability at First National Bank of Omaha Case Study: Fuel Cells Increase Reliability at First National Bank of Omaha First National Bank of Omaha installed a fuel cell...

  6. Towards increased waste loading in high level waste glasses: developing a better understanding of crystallization behavior

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

    Marra, James C.; Kim, Dong-Sang

    2014-12-18

    A number of waste components in US defense high level radioactive wastes (HLW) have proven challenging for current Joule heated ceramic melter (JHM) operations and have limited the ability to increase waste loadings beyond already realized levels. Many of these “troublesome" waste species cause crystallization in the glass that can negatively impact product quality or have a deleterious effect on melter processing. Recent efforts at US Department of Energy laboratories have focused on understanding crystallization behavior within HLW glasses and investigating approaches to mitigate the impacts of crystallization so that increases in waste loading can be realized. Advanced glass formulationsmore »have been developed to highlight the unique benefits of next-generation melter technologies such as the Cold Crucible Induction Melter (CCIM). Crystal-tolerant HLW glasses have been investigated to allow sparingly soluble components such as chromium to crystallize in the melter but pass out of the melter before accumulating. The Hanford site AZ-101 composition represents a waste group that is waste loading limited primarily due to high concentration of Fe2O3. Systematic glass formulation development utilizing slightly higher process temperatures and higher tolerance to spinel crystals demonstrated that an increase in waste loading of more than 20% could be achieved for this waste group.« less

  7. Towards increased waste loading in high level waste glasses: developing a better understanding of crystallization behavior

    SciTech Connect (OSTI)

    Marra, James C.; Kim, Dong-Sang

    2014-12-18

    A number of waste components in US defense high level radioactive wastes (HLW) have proven challenging for current Joule heated ceramic melter (JHM) operations and have limited the ability to increase waste loadings beyond already realized levels. Many of these “troublesome" waste species cause crystallization in the glass that can negatively impact product quality or have a deleterious effect on melter processing. Recent efforts at US Department of Energy laboratories have focused on understanding crystallization behavior within HLW glasses and investigating approaches to mitigate the impacts of crystallization so that increases in waste loading can be realized. Advanced glass formulations have been developed to highlight the unique benefits of next-generation melter technologies such as the Cold Crucible Induction Melter (CCIM). Crystal-tolerant HLW glasses have been investigated to allow sparingly soluble components such as chromium to crystallize in the melter but pass out of the melter before accumulating. The Hanford site AZ-101 composition represents a waste group that is waste loading limited primarily due to high concentration of Fe2O3. Systematic glass formulation development utilizing slightly higher process temperatures and higher tolerance to spinel crystals demonstrated that an increase in waste loading of more than 20% could be achieved for this waste group.

  8. ProFIS: A New Paradigm for Higher Education in Brazil1 Public universities represent nowadays a relatively small part of the Brazilian higher

    E-Print Network [OSTI]

    Gomes, Francisco A. M.

    1 ProFIS: A New Paradigm for Higher Education in Brazil1 Public universities represent nowadays and in terms of enrolment. Approximately 3/4 of all undergraduate students in Brazil attend private selective universities in Brazil. ProFIS (Interdisciplinary Higher Education Program) is a two

  9. Paleoclimatic warming increased carbon dioxide concentrations D. M. Lemoine1

    E-Print Network [OSTI]

    Kammen, Daniel M.

    Paleoclimatic warming increased carbon dioxide concentrations D. M. Lemoine1 Received 6 July 2010 feedbacks are positive, then warming causes changes in carbon dioxide (CO2) sources and sinks that increase increased carbon dioxide concentrations, J. Geophys. Res., 115, D22122, doi:10.1029/2010JD014725. 1

  10. December 7, 2010 Health Care Professional (HX) Unit Salary Increases

    E-Print Network [OSTI]

    Leistikow, Bruce N.

    December 7, 2010 Health Care Professional (HX) Unit Salary Increases Pursuant to the UC) bargaining unit will receive salary increases in January. The following increases will be effective. Range Adjustment Salary ranges for all job titles in the HX bargaining unit will be adjusted by 2

  11. Post-9/11 Military Veterans and Higher Education: Factors Associated with College Enrollment and Choice

    E-Print Network [OSTI]

    Molina, Dani

    2015-01-01

    Contemporary Issues in Education Research, 3(1), 39-51.cultural capital. Journal of Higher Education, 64, 211–225.K. Kinser (Eds. ), Higher Education in the United States: An

  12. ON HIGHER ORDER EMBEDDINGS OF FANO THREEFOLDS BY THE ANTICANONICAL LINEAR SYSTEM

    E-Print Network [OSTI]

    Sommese, Andrew J.

    ON HIGHER ORDER EMBEDDINGS OF FANO THREEFOLDS BY THE ANTICANONICAL LINEAR SYSTEM MAURO C. BELTRAMETTI, SANDRA DI ROCCO, AND ANDREW J. SOMMESE Abstract to a number of natural notions of higher order embeddings of* * projective manifolds. This is of importance

  13. Compilation of NIST Higher-Order Methods for the Determination of

    E-Print Network [OSTI]

    Compilation of NIST Higher-Order Methods for the Determination of Electrolytes in Clinical 260-162 Compilation of Higher-Order Methods for the Determination of Electrolytes in Clinical

  14. An Overview of Cloud Services Adoption Challenges in Higher Education Institutions

    E-Print Network [OSTI]

    An Overview of Cloud Services Adoption Challenges in Higher Education Institutions Abdulrahman Services Adoption, Challenges, Cloud Computing, Higher Education, Integrated TAM model Abstract: Information Technology (IT) plays an important role in enabling education services be delivered to users. Most

  15. A Statement on Higher Education Policy in Kevin B. Korb, Carlo Kopp and Lloyd Allison

    E-Print Network [OSTI]

    Allison, Lloyd

    A Statement on Higher Education Policy in Australia Kevin B. Korb, Carlo Kopp and Lloyd Allison,carlo,lloydg@cs.monash.edu.au Summary Policy on higher education in Australia has become highly political since the massive expansion of the changes which have been imposed upon the higher education sector during the Dawkins period and thereafter

  16. TSHC.doc 6/27/01 Request for Temporary Service in Higher Class (TSHC)

    E-Print Network [OSTI]

    Oliver, Douglas L.

    TSHC.doc ­ 6/27/01 Request for Temporary Service in Higher Class (TSHC) Unclassified Original. The employee must meet the minimum requirements for the higher class. An extension request is needed rate of pay in the higher class will be calculated as if a regular promotion has occurred. Any change

  17. Relativistic density functional theory modeling of plutonium and americium higher oxide molecules

    E-Print Network [OSTI]

    Titov, Anatoly

    Relativistic density functional theory modeling of plutonium and americium higher oxide molecules of plutonium and americium higher oxide molecules Andréi Zaitsevskii,1,2,a) Nikolai S. Mosyagin,2,3 Anatoly V of plutonium and americium higher oxide molecules (actinide oxidation states VI through VIII) by two

  18. A Numerical Investigation into the Anomalous Slight NOx Increase when Burning Biodiesel: A New (Old) Theory

    SciTech Connect (OSTI)

    Ban-Weiss, G A; Chen, J Y; Buchholz, B A; Dibble, R W

    2007-01-30

    Biodiesel is a notable alternative to petroleum derived diesel fuel because it comes from natural domestic sources and thus reduces dependence on diminishing petroleum fuel from foreign sources, it likely lowers lifecycle greenhouse gas emissions, and it lowers an engine's emission of most pollutants as compared to petroleum derived diesel. However, the use of biodiesel often slightly increases a diesel engine's emission of smog forming nitrogen oxides (NO{sub x}) relative to petroleum diesel. In this paper, previously proposed theories for this slight NOx increase are reviewed, including theories based on biodiesel's cetane number, which leads to differing amounts of charge preheating, and theories based on the fuel's bulk modulus, which affects injection timing. This paper proposes an additional theory for the slight NO{sub x} increase of biodiesel. Biodiesel typically contains more double bonded molecules than petroleum derived diesel. These double bonded molecules have a slightly higher adiabatic flame temperature, which leads to the increase in NOx production for biodiesel. Our theory was verified using numerical simulations to show a NOx increase, due to the double bonded molecules, that is consistent with observation. Further, the details of these numerical simulations show that NOx is predominantly due to the Zeldovich mechanism.

  19. Interfuel substitution model for institutions of higher education: implications for conservation

    SciTech Connect (OSTI)

    Cohn, S.M.; O'Neal, D.L.; Perry, R.L.

    1980-01-01

    A model of interfuel substitution is described for colleges and universities in the United States and its implications for conserving fossil fuel resources. There is a significant and growing interest among institutions of higher education in utilizing more efficiently their purchased as well as generated energy sources. An analysis of energy consumption patterns of colleges and universities shows a significant difference in how energy sources are being utilized. Smaller colleges and universities convert purchased fuels directly into end use services such as space heating, water heating, and lighting. The purchased fuels may include electricity and fossil fuels. A more varied fuel use situation exists for larger institutions where not only the above fuel consumption mixture exists, but a central generating plant operated by the university may exist which uses purchased fossil fuels in a primary energy use sense to generate electricity, steam, and chilled water for their own end use requirements. Results indicate that relative changes in fuel prices across a broad cross-section of colleges and universities have significant effects on primary and end-use consumption of fuels. Increasing prices of distillate and residual fuels have a greater energy conservation potential than do equal price increases for coal and natural gas. Electricity is found not to have significant substitution possibilities with the fossil fuels. The results have important overtones for public policy. The structure of the market system may be well suited to handle dislocations in energy price and supplies for colleges and universities; and future decisions by public policy makers may reflect this situation.

  20. New coiled-tubing cementing techniques at Prudhoe developed to withstand higher differential pressure

    SciTech Connect (OSTI)

    Krause, R.E.; Reem, D.C. )

    1993-11-01

    The successful hydraulic fracturing program at Prudhoe Bay would not have been possible without an effective coiled-tubing-unit (CTU) cement-squeeze program. Many fracture stimulation candidates were wells that have been squeezed previously. Therefore, squeezed perforations were exposed to higher differential pressures during fracturing operations than normally were seen at Prudhoe. At the outset of the fracture stimulation program in 1990, squeeze perforations failed when subjected to fracture job pressures. It quickly became clear that more aggressive CTU squeeze techniques resulting in stronger squeezed perforations would be necessary if the Prudhoe fracture program were to achieve its goals. Arco Alaska Inc. implemented a more aggressive CTU squeeze program in the Eastern Operating Area (EOA) in mid-1990. This paper documents the results of the new squeeze program, in which increased surface coiled-tubing squeeze pressures from 1,500 to 3,500 psi for 1 hour were used. More resilient, acid-resistant latex cement also became the standard in late 1990 for squeeze cementing. Implementation of this program has resulted in a squeeze success rate approaching 90%.

  1. Low rank approach to computing first and higher order derivatives using automatic differentiation

    SciTech Connect (OSTI)

    Reed, J. A.; Abdel-Khalik, H. S. [North Carolina State Univ., Dept. of Nuclear Engineering, Raleigh, NC 27695-7909 (United States); Utke, J. [Mathematics and Computer Science Div., Argonne National Laboratory, Argonne, IL 60439 (United States)

    2012-07-01

    This manuscript outlines a new approach for increasing the efficiency of applying automatic differentiation (AD) to large scale computational models. By using the principles of the Efficient Subspace Method (ESM), low rank approximations of the derivatives for first and higher orders can be calculated using minimized computational resources. The output obtained from nuclear reactor calculations typically has a much smaller numerical rank compared to the number of inputs and outputs. This rank deficiency can be exploited to reduce the number of derivatives that need to be calculated using AD. The effective rank can be determined according to ESM by computing derivatives with AD at random inputs. Reduced or pseudo variables are then defined and new derivatives are calculated with respect to the pseudo variables. Two different AD packages are used: OpenAD and Rapsodia. OpenAD is used to determine the effective rank and the subspace that contains the derivatives. Rapsodia is then used to calculate derivatives with respect to the pseudo variables for the desired order. The overall approach is applied to two simple problems and to MATWS, a safety code for sodium cooled reactors. (authors)

  2. SPECTRUM-DRIVEN PLANETARY DEGLACIATION DUE TO INCREASES IN STELLAR LUMINOSITY

    SciTech Connect (OSTI)

    Shields, Aomawa L.; Meadows, Victoria S.; Bitz, Cecilia M.; Joshi, Manoj M.; Robinson, Tyler D.

    2014-04-10

    Distant planets in globally ice-covered, ''snowball'', states may depend on increases in their host stars' luminosity to become hospitable for surface life. Using a general circulation model, we simulated the equilibrium climate response of a planet to a range of instellations from an F-, G-, or M-dwarf star. The range of instellation that permits both complete ice cover and at least partially ice-free climate states is a measure of the climate hysteresis that a planet can exhibit. An ice-covered planet with high climate hysteresis would show a higher resistance to the initial loss of surface ice coverage with increases in instellation, and abrupt, extreme ice loss once deglaciation begins. Our simulations indicate that the climate hysteresis depends sensitively on the host star spectral energy distribution. Under fixed CO{sub 2} conditions, a planet orbiting an M-dwarf star exhibits a smaller climate hysteresis, requiring smaller instellation to initiate deglaciation than planets orbiting hotter, brighter stars. This is due to the higher absorption of near-infrared radiation by ice on the surfaces and greenhouse gases and clouds in the atmosphere of an M-dwarf planet. Increases in atmospheric CO{sub 2} further lower the climate hysteresis, as M-dwarf snowball planets exhibit a larger radiative response than G-dwarf snowball planets for the same increase in CO{sub 2}. For a smaller hysteresis, planets near the outer edge of the habitable zone will thaw earlier in their evolutionary history, and will experience a less abrupt transition out of global ice cover.

  3. Gas Turbines Increase the Energy Efficiency of Industrial Processes 

    E-Print Network [OSTI]

    Banchik, I. N.; Bohannan, W. R.; Stork, K.; McGovern, L. J.

    1981-01-01

    It is a well known fact that the gas turbine in a combined cycle has a higher inherent Carnot efficiency than the steam cycle which has been more generally accepted by industry. Unlike steam turbines, gas turbines do not require large boiler feed...

  4. Increasing Renewable Energy with Hydrogen Storage and Fuel Cell...

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

    presentation slides from the DOE Fuel Cell Technologies Office webinar "Increasing Renewable Energy with Hydrogen Storage and Fuel Cell Technologies" held on August 19,...

  5. VERIFI code optimization yields three-fold increase in engine...

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

    for parallel readwrite processes. (Click image to view larger.) VERIFI code optimization yields three-fold increase in engine simulation speed By Greg Cunningham * May 7,...

  6. DOE Issues Funding Opportunity for Innovations to Increase Cybersecuri...

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

    Announcement (FOA), Innovation for Increasing Cybersecurity for Energy Delivery Systems, on February 8. The announcement is seeking applications to conduct research,...

  7. An Experimental Investigation of the Origin of Increased NOx...

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

    engine experiments suggest that near stoichiometric charge-gas mixtures in the standing premixed autoignition zone near flame lift-off length explains biodiesel NOx increase...

  8. Internal Behavior Change Programs and Increasing Energy Efficiency

    Broader source: Energy.gov [DOE]

    This presentation, given through the DOE's Technical Assistance Program (TAP), addresses Internal Behavior Change Programs and Increasing Energy Efficiency. Presented on August 25, 2011.

  9. Optimizing Blast Furnace Operation to Increase Efficiency and...

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

    Optimizing Blast Furnace Operation to Increase Efficiency and Lower Costs State-of-the-Art Computational Fluid Dynamics Model Optimizes Fuel Rate in Blast Furnaces The blast...

  10. Equity Effects of Increasing-Block Electricity Pricing

    E-Print Network [OSTI]

    Borenstein, Severin

    2008-01-01

    of increasing-block electricity rate schedules in the Unitedfrom the analysis of electricity rates, this approach toBlock Residential Electricity Rates in California The

  11. DEX: Increasing the Capability of Scientific Data Analysis Pipelines...

    Office of Scientific and Technical Information (OSTI)

    DEX: Increasing the Capability of Scientific Data Analysis Pipelines by Using Efficient Bitmap Indices to Accelerate Scientific Visualization Citation Details In-Document Search...

  12. Energy Department Invests $6 Million to Increase Building Energy...

    Energy Savers [EERE]

    using a methodology that provides statewide results with 90% reliability. Implement an education, training, and outreach program designed to increase residential building energy...

  13. Department of Energy and Nuclear Regulatory Commission Increase...

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

    Nuclear Energy Partnership Department of Energy to Award 16 Million for GNEP Studies United States, France and Japan Increase Cooperation on Sodium-Cooled Fast Reactor Prototypes...

  14. Analysis & Tools to Spur Increased Deployment of " Waste Heat...

    Open Energy Info (EERE)

    Texas, which are experiencing large increases in population and correspondingly, peak electricity demand. If only 0.1% of Texas,' Arizona's, New Mexico's and Nevada's nearly 15...

  15. Increasing the Market Acceptance of Smaller CHP Systems

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

    Packaged Combined Heat and Power System ADVANCED MANUFACTURING OFFICE Increasing the Market Acceptance of Smaller CHP Systems This project is developing a flexible, packaged...

  16. Reducing rural poverty through increased access to energy services...

    Open Energy Info (EERE)

    Reducing rural poverty through increased access to energy services: a review of the multifunctional platform project in Mali Jump to: navigation, search Tool Summary LAUNCH TOOL...

  17. Power Africa's Beyond the Grid Increasing Access through Small...

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

    the U.S. Government is formally launching an innovative framework under President Obama's Power Africa initiative to increase energy access for underserved populations across...

  18. DOE Increases Energy Efficiency Standards for Residential Furnaces...

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

    WASHINGTON, DC - The U.S. Department of Energy (DOE) today announced it has increased the energy efficiency standards for residential furnaces and boilers, underscoring the...

  19. Using Transportation Technology to Increase Efficiencies in Shipping...

    Office of Environmental Management (EM)

    industry best practices to develop and maintain a cost effective and sustainable logistics and inventory management system. Using Transportation Technology to Increase...

  20. Internal Behaviour Change Programs and Increasing Energy Effciency Webcast

    Broader source: Energy.gov [DOE]

    This presentation, given through the DOE's Technical Assitance Program (TAP), addresses Internal Behaviour Change Programs and Increasing Energy Efficiency. Presented on August 25, 2011.

  1. Increasing Renewable Energy with Hydrogen Storage and Fuel Cell Technologies

    Office of Energy Efficiency and Renewable Energy (EERE)

    Download presentation slides from the DOE Fuel Cell Technologies Office webinar Increasing Renewable Energy with Hydrogen Storage and Fuel Cell Technologies held on August 19, 2014.

  2. ,"New Mexico Dry Natural Gas Reserves Revision Increases (Billion...

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

    Name","Description"," Of Series","Frequency","Latest Data for" ,"Data 1","New Mexico Dry Natural Gas Reserves Revision Increases (Billion Cubic Feet)",1,"Annual",2013...

  3. Fume Hood Sash Stickers Increases Laboratory Safety and Efficiency...

    Energy Savers [EERE]

    Safety and Efficiency at Minimal Cost Case study describes two University of California campuses that increased laboratory exhaust efficiency and safety by using fume hood...

  4. ,"Texas Dry Natural Gas Reserves Revision Increases (Billion...

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

    ,"Worksheet Name","Description"," Of Series","Frequency","Latest Data for" ,"Data 1","Texas Dry Natural Gas Reserves Revision Increases (Billion Cubic Feet)",1,"Annual",2013...

  5. Maximizing the Productive Uses of Electricity to Increase the...

    Open Energy Info (EERE)

    Maximizing the Productive Uses of Electricity to Increase the Impact of Rural Electrification Programs Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Maximizing the...

  6. Increase Natural Gas Energy Efficiency | OpenEI Community

    Open Energy Info (EERE)

    Due to Increased Investment in Offshore Exploration Projects Combined Heat and Power (CHP) Installation Market to be Driven by Abundant Availability of Natural Gas Oilfield...

  7. President Truman Increases Production of Uranium and Plutonium...

    National Nuclear Security Administration (NNSA)

    Increases Production of Uranium and Plutonium | National Nuclear Security Administration Facebook Twitter Youtube Flickr RSS People Mission Managing the Stockpile Preventing...

  8. 20% Wind Energy by 2030: Increasing Wind Energy's Contribution...

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

    Supply (Executive Summary) 20% Wind Energy by 2030: Increasing Wind Energy's Contribution to U.S. Electricity Supply (Executive Summary) Executive summary of a report on the...

  9. Increasing Sugar Yields with IL-final-sm

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

    Ionic Liquid Processing Increasing sugar yields from diverse biomass feedstock with ionic liquid processing and cultivation of renewable ionic liquids Liberating Sugars from...

  10. SU(3) Polyakov Linear $?$-Model in Magnetic Field: Thermodynamics, Higher-Order Moments, Chiral Phase Structure and Meson Masses

    E-Print Network [OSTI]

    Abdel Nasser Tawfik; Niseem Magdy

    2015-01-06

    Effects of external magnetic field on various properties of the quantum chromodynamics under extreme conditions of temperature and density have been analysed. To this end, we use SU(3) Polyakov linear sigma-model and assume that the external magnetic field eB adds some restrictions to the quarks energy due to the existence of free charges in the plasma phase. In doing this, we apply the Landau theory of quantization. This requires an additional temperature to drive the system through the chiral phase-transition. Accordingly, the dependence of the critical temperature of chiral and confinement phase-transitions on the magnetic field is characterized. Based on this, we have studied the thermal evolution of thermodynamic quantities and the first four higher-order moment of particle multiplicity. Having all these calculations, we have studied the effects of magnetic field on chiral phase-transition. We found that both critical temperature T_c and critical chemical potential increase with increasing the magnetic field eB. Last but not least, the magnetic effects of the thermal evolution of four scalar and four pseudoscalar meson states are studied. We concluded that the meson masses decrease as the temperature increases till T_c. Then, the vacuum effect becomes dominant and rapidly increases with the temperature T. At low T, the scalar meson masses normalized to the lowest Matsubara frequency rapidly decreases as T increases. Then, starting from T_c, we find that the thermal dependence almost vanishes. Furthermore, the meson masses increase with increasing magnetic field. This gives characteristic phase diagram of T vs. external magnetic field $B. At high T, we find that the masses of almost all meson states become temperature independent. It is concluded that the various meson states likely have different T_c's.

  11. Higher Education

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefieldSulfateSciTechtail.Theory ofDid you notHeat Pumps Heat Pumps An error occurred.Argonne NationalEducation

  12. May 4, 2011 Health Care Professional (HX) Unit Salary Increases

    E-Print Network [OSTI]

    Leistikow, Bruce N.

    May 4, 2011 Health Care Professional (HX) Unit Salary Increases Pursuant to the UC-UPTE settlement unit will receive a salary increase effective May 1, 2011, for biweekly- and monthly-paid employees. Range Adjustment Salary ranges for all job titles in the HX bargaining unit will be adjusted by 1

  13. forest ecology Using Fire to Increase the Scale, Benefits, and

    E-Print Network [OSTI]

    North, Malcolm

    forest ecology Using Fire to Increase the Scale, Benefits, and Future Maintenance of Fuels limited to affect fire severity and the Forest Service has predominantly focused on suppression, and institutional barriers to increased fire use that we discuss. Keywords: fire policy, fire suppression, forest

  14. Solar collector apparatus having increased energy rejection during stagnation

    DOE Patents [OSTI]

    Moore, S.W.

    1981-01-16

    An active solar collector having increased energy rejection during stagnation is disclosed. The collector's glazing is brought into substantial contact with absorber during stagnation to increase re-emittance and thereby to maintan lower temperatures when the collector is not in operation.

  15. Systems for increasing the sensitivity of gamma-ray imagers

    DOE Patents [OSTI]

    Mihailescu, Lucian; Vetter, Kai M.; Chivers, Daniel H.

    2012-12-11

    Systems that increase the position resolution and granularity of double sided segmented semiconductor detectors are provided. These systems increase the imaging resolution capability of such detectors, either used as Compton cameras, or as position sensitive radiation detectors in imagers such as SPECT, PET, coded apertures, multi-pinhole imagers, or other spatial or temporal modulated imagers.

  16. Anthropogenic increase in carbon dioxide compromises plant defense against invasive insects

    SciTech Connect (OSTI)

    Zavala, J.; Casteel, C.; DeLucia, E.; Berenbaum, M.

    2008-04-01

    Elevated levels of atmospheric carbon dioxide (CO{sub 2}), a consequence of anthropogenic global change, can profoundly affect the interactions between crop plants and insect pests and may promote yet another form of global change: the rapid establishment of invasive species. Elevated CO{sub 2} increased the susceptibility of soybean plants grown under field conditions to the invasive Japanese beetle (Popillia japonica) and to a variant of western corn rootworm (Diabrotica virgifera virgifera) resistant to crop rotation by down-regulating gene expression related to defense signaling [lipoxygenase 7 (lox7), lipoxygenase 8 (lox8), and 1-aminocyclopropane-1-carboxylate synthase (acc-s)]. The down-regulation of these genes, in turn, reduced the production of cysteine proteinase inhibitors (CystPIs), which are specific deterrents to coleopteran herbivores. Beetle herbivory increased CystPI activity to a greater degree in plants grown under ambient than under elevated CO{sub 2}. Gut cysteine proteinase activity was higher in beetles consuming foliage of soybeans grown under elevated CO{sub 2} than in beetles consuming soybeans grown in ambient CO{sub 2}, consistent with enhanced growth and development of these beetles on plants grown in elevated CO{sub 2}. These findings suggest that predicted increases in soybean productivity under projected elevated CO{sub 2} levels may be reduced by increased susceptibility to invasive crop pests.

  17. A gene stacking approach leads to engineered plants with highly increased galactan levels in Arabidopsis

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

    Gondolf, Vibe M.; Stoppel, Rhea; Ebert, Berit; Rautengarten, Carsten; Liwanag, April J.M.; Loqué, Dominique; Scheller, Henrik V.

    2014-12-10

    Background: Engineering of plants with a composition of lignocellulosic biomass that is more suitable for downstream processing is of high interest for next-generation biofuel production. Lignocellulosic biomass contains a high proportion of pentose residues, which are more difficult to convert into fuels than hexoses. Therefore, increasing the hexose/pentose ratio in biomass is one approach for biomass improvement. A genetic engineering approach was used to investigate whether the amount of pectic galactan can be specifically increased in cell walls of Arabidopsis fiber cells, which in turn could provide a potential source of readily fermentable galactose. Results: First it was tested ifmore »overexpression of various plant UDP-glucose 4-epimerases (UGEs) could increase the availability of UDP-galactose and thereby increase the biosynthesis of galactan. Constitutive and tissue-specific expression of a poplar UGE and three Arabidopsis UGEs in Arabidopsis plants could not significantly increase the amount of cell wall bound galactose. We then investigated co-overexpression of AtUGE2 together with the ?-1,4-galactan synthase GalS1. Co-overexpression of AtUGE2 and GalS1 led to over 80% increase in cell wall galactose levels in Arabidopsis stems, providing evidence that these proteins work synergistically. Furthermore, AtUGE2 and GalS1 overexpression in combination with overexpression of the NST1 master regulator for secondary cell wall biosynthesis resulted in increased thickness of fiber cell walls in addition to the high cell wall galactose levels. Immunofluorescence microscopy confirmed that the increased galactose was present as ?-1,4-galactan in secondary cell walls. Conclusions: This approach clearly indicates that simultaneous overexpression of AtUGE2 and GalS1 increases the cell wall galactose to much higher levels than can be achieved by overexpressing either one of these proteins alone. Moreover, the increased galactan content in fiber cells while improving the biomass composition had no impact on plant growth and development and hence on the overall biomass amount. Thus, we could show that the gene stacking approach described here is a promising method to engineer advanced feedstocks for biofuel production.« less

  18. A gene stacking approach leads to engineered plants with highly increased galactan levels in Arabidopsis

    SciTech Connect (OSTI)

    Gondolf, Vibe M.; Stoppel, Rhea; Ebert, Berit; Rautengarten, Carsten; Liwanag, April J.M.; Loqué, Dominique; Scheller, Henrik V.

    2014-12-10

    Background: Engineering of plants with a composition of lignocellulosic biomass that is more suitable for downstream processing is of high interest for next-generation biofuel production. Lignocellulosic biomass contains a high proportion of pentose residues, which are more difficult to convert into fuels than hexoses. Therefore, increasing the hexose/pentose ratio in biomass is one approach for biomass improvement. A genetic engineering approach was used to investigate whether the amount of pectic galactan can be specifically increased in cell walls of Arabidopsis fiber cells, which in turn could provide a potential source of readily fermentable galactose. Results: First it was tested if overexpression of various plant UDP-glucose 4-epimerases (UGEs) could increase the availability of UDP-galactose and thereby increase the biosynthesis of galactan. Constitutive and tissue-specific expression of a poplar UGE and three Arabidopsis UGEs in Arabidopsis plants could not significantly increase the amount of cell wall bound galactose. We then investigated co-overexpression of AtUGE2 together with the ?-1,4-galactan synthase GalS1. Co-overexpression of AtUGE2 and GalS1 led to over 80% increase in cell wall galactose levels in Arabidopsis stems, providing evidence that these proteins work synergistically. Furthermore, AtUGE2 and GalS1 overexpression in combination with overexpression of the NST1 master regulator for secondary cell wall biosynthesis resulted in increased thickness of fiber cell walls in addition to the high cell wall galactose levels. Immunofluorescence microscopy confirmed that the increased galactose was present as ?-1,4-galactan in secondary cell walls. Conclusions: This approach clearly indicates that simultaneous overexpression of AtUGE2 and GalS1 increases the cell wall galactose to much higher levels than can be achieved by overexpressing either one of these proteins alone. Moreover, the increased galactan content in fiber cells while improving the biomass composition had no impact on plant growth and development and hence on the overall biomass amount. Thus, we could show that the gene stacking approach described here is a promising method to engineer advanced feedstocks for biofuel production.

  19. Analyzing the Contribution of Aerosols to an Observed Increase in Direct Normal Irradiance in Oregon

    SciTech Connect (OSTI)

    Riihimaki, Laura D.; Vignola, F.; Long, Charles N.

    2009-01-22

    Annual average total irradiance increases by 1-2% per decade at three mon- itoring stations in Oregon over the period from 1980 to 2007. Direct normal irradiance measurements increase by 5% per decade over the same time pe- riod. The measurements show no sign of a dimming before 1990. The impact of high concentrations of stratospheric aerosols following the volcanic erup- tions of El Chich¶on and Mt. Pinatubo are clearly seen in the measurements. Removing these years from the annual average all-sky time series reduces the trends in both total and direct normal irradiance. Clear-sky periods from this long direct normal time series are used in conjunction with radiative trans- fer calculations to test whether part of the increase could be caused by an- thropogenic aerosols. All three sites show relatively low clear-sky measure- ments before the eruption of El Chich¶on in 1982, suggesting higher aerosol loads during this period. After removing the periods most strongly impacted by volcanic eruptions, two of the sites show statistically signi¯cant increases in clear-sky direct normal irradiance from 1987 to 2007. Radiative transfer calculations of the impact of volcanic aerosols and tropospheric water vapor indicate that only about 20% of that clear-sky increase between background aerosol periods before and after the eruption of Mt. Pinatubo can be explained by these two factors. Thus, a statistically signi¯cant clear-sky trend remains between 1987 and 2007 that is consistent with the hypothesis that at least some of the increase in surface irradiance could be caused by a reduction of anthropogenic aerosols. D

  20. Diesel engine emissions reduction by multiple injections having increasing pressure

    DOE Patents [OSTI]

    Reitz, Rolf D. (Madison, WI); Thiel, Matthew P. (Madison, WI)

    2003-01-01

    Multiple fuel charges are injected into a diesel engine combustion chamber during a combustion cycle, and each charge after the first has successively greater injection pressure (a higher injection rate) than the prior charge. This injection scheme results in reduced emissions, particularly particulate emissions, and can be implemented by modifying existing injection system hardware. Further enhancements in emissions reduction and engine performance can be obtained by using known measures in conjunction with the invention, such as Exhaust Gas Recirculation (EGR).

  1. Optimizing Production of Hydroquinone Achieves Increased Yield and Energy Efficiency 

    E-Print Network [OSTI]

    Gross, S.

    2010-01-01

    barriers, a detailed risk assessment was essential for stakeholder buy-in. ? The Failure Modes and Effects Analysis (FMEA) tool was used to document and evaluate potential risks. ? Reliable supply at high level of p-DIPB ? Peroxides degradation... at higher temperatures ? Inventory management ? Labor ? operations and packaging (contractors) ? FMEA promoted understanding of the risks. Project definition ? Risk management ? Performed Voice of the Customer interviews with key stakeholders...

  2. A Reflection and Prospectus on Globalization and Higher Education: CSHE@50

    E-Print Network [OSTI]

    King, C. Judson; Douglass, John Aubrey

    2007-01-01

    Academic Values on Scholarly Publication and CommunicationPress 2007). Recent scholarly publications include articlespublications that have influenced policymakers and the development of higher education as a scholarly

  3. Higher Order Apriori Shenzhi Li, Aditya P. Belapurkar, Xiaoning Yang, Mark J. Dilsizian

    E-Print Network [OSTI]

    a higher-order association between Fish Oil and Raynaud's disease in medical literature, leading of real world applications including medical research, marketing analysis, law enforcement and homeland

  4. Internet as Teenager In Higher Education: Rapid Growth, Transformation, Uncertain but Bright Future

    E-Print Network [OSTI]

    Matkin, Gary

    2007-01-01

    religious beliefs, the Internet is challenging higherimportant contribution of the Internet to education to datePaper Series Gary Matkin, INTERNET AS TEENAGER IN HIGHER

  5. Tension wood holds clues to higher fuel yields from biomass crops...

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

    Tension wood holds clues to higher fuel yields from biomass crops October 25, 2011 Poplar stems (left) respond to bending stress by producing tension wood, which has...

  6. The New Majority: A View into the Motivations and Aspirations Of Iran's Women in Higher Education

    E-Print Network [OSTI]

    Kheiltash, Omid

    2013-01-01

    are  wasted   in  Iran.    Arkiv  2003.    Retrieved  Esfandiari,  G.  (2003).   Iran:  Number  of  Female  Higher  Education  in  Iran?    Presentation  at  CIES  

  7. Method of increasing biodegradation of sparingly soluble vapors

    DOE Patents [OSTI]

    Cherry, Robert S. (Idaho Falls, ID)

    2000-01-01

    A method for increasing biodegradation of sparingly soluble volatile organic compounds (VOCs) in a bioreactor is disclosed. The method comprises dissolving in the aqueous phase of the bioreactor a water soluble, nontoxic, non-biodegradable polymer having a molecular weight of at least 500 and operable for decreasing the distribution coefficient of the VOCs. Polyoxyalkylene alkanols are preferred polymers. A method of increasing the growth rate of VOC-degrading microorganisms in the bioreactor and a method of increasing the solubility of sparingly soluble VOCs in aqueous solution are also disclosed.

  8. INTRODUCTION Continuous cover forestry (CCF) regimes are increasingly

    E-Print Network [OSTI]

    1 INTRODUCTION Continuous cover forestry (CCF) regimes are increasingly favoured in British Edinburgh EH12 7AT www.forestry.gov.uk Below-canopy light levels are commonly expressed as a proportion

  9. Natural stiffening increases flaw tolerance of biological fibers

    E-Print Network [OSTI]

    Giesa, Tristan

    Many fibers in biomaterials such as tendon, elastin, or silk feature a nonlinear stiffening behavior of the stress-strain relationship, where the rigidity of the material increases severely as the material is being stretched. ...

  10. Reduce Risk, Increase Clean Energy: How States and Cities are...

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

    Provides a overview of finance tools available to scale-up to clean energy. Author: Clean Energy and Bond Finance Initiative (CE+BFI) Reduce Risk, Increase Clean Energy More...

  11. Open Access Policies and Practices for Increasing Scholarly Contributions

    E-Print Network [OSTI]

    Willinsky, John

    2009-03-26

    John Willinsky, Professor of Education at Stanford University, presents "Open Access Policies and Practices for Increasing Scholarly Contributions," February 19, 2009 at the University of Kansas. Presentation sponsored by ...

  12. Energy saving and improved comfort by increased air movement

    E-Print Network [OSTI]

    Schiavon, Stefano; Melikov, Arsen

    2008-01-01

    Energy saving and improved comfort by increased air movementIn this study, the potential saving of cooling energy bysystem. A cooling energy saving between 17% and 48% and a

  13. Increasing Stability Reduces Conformational Heterogeneity in a Protein Folding

    E-Print Network [OSTI]

    Increasing Stability Reduces Conformational Heterogeneity in a Protein Folding Intermediate, the results show that protein folding intermediates are ensembles of different structural forms direct experi- mental evidence in support of a basic tenet of energy landscape theory for protein folding

  14. Four products from Escherichia coli pseudogenes increase hydrogen production q

    E-Print Network [OSTI]

    Wood, Thomas K.

    Four products from Escherichia coli pseudogenes increase hydrogen production q Mohd Zulkhairi Mohd Article history: Received 26 August 2013 Available online 8 September 2013 Keywords: Biohydrogen. Hence, the products of these four pseudogenes play an important physiological role in hydrogen

  15. Increase Natural Gas Energy Efficiency | OpenEI Community

    Open Energy Info (EERE)

    content Global Onshore Oil and Gas Market Research Report To 2019: Radiant Insights Offshore Lubricants to Exhibit 7.07% CAGR from 2014 to 2020 Due to Increased Investment in...

  16. Forest thinning may increase water yield from the Sierra Nevada

    E-Print Network [OSTI]

    Downing, Jim

    2015-01-01

    forests tend to yield more water. Further reading: Bales RC,et al. 2011. Forests and Water in the Sierra Nevada: SierraForest thinning may increase water yield from the Sierra

  17. High Efficiency Microturbine Leads to Increased Market Share...

    Office of Environmental Management (EM)

    power system that led to the commercialization of that product. Capstone increased electrical efficiency of the unit from about 17%-22% to 33%, and it has seen more than 83...

  18. Optimizing Development Strategies to Increase Reserves in Unconventional Gas Reservoirs 

    E-Print Network [OSTI]

    Turkarslan, Gulcan

    2011-10-21

    The ever increasing energy demand brings about widespread interest to rapidly, profitably and efficiently develop unconventional resources, among which tight gas sands hold a significant portion. However, optimization of development strategies...

  19. Using Plate Heat Exchangers to Increase Energy Efficiency 

    E-Print Network [OSTI]

    Bailey, K.

    1999-01-01

    "In recent years, there has been an increasing awareness of Plate Heat Exchangers (PHE's) in industrial processes around the world. While PHE's have historically been classified as compact heat exchangers, compactness is often a secondary advantage...

  20. Increasing Creel Interview Efficiency Through Early Survey Termination

    E-Print Network [OSTI]

    Increasing Creel Interview Efficiency Through Early Survey Termination HAL R. OSBURN and MIKE G were terminated early when no angler interviews were con ducted by a specified time. Using this method, terminating

  1. Increase Natural Gas Energy Efficiency | OpenEI Community

    Open Energy Info (EERE)

    Increase Natural Gas Energy Efficiency Content Group Activity By term Q & A Feeds Term: Coal Fired Power Generation Market Type Term Title Author Replies Last Post sort icon Blog...

  2. DOE Announces Over $8 Million to Increase Use and Availability...

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

    25, 2006 - 9:17am Addthis Announces Over 8 Million to Increase Use and Availability of Alternative Fuels WASHINGTON, DC -Today, U.S. Department of Energy (DOE) Secretary Samuel...

  3. Evaluating Policies to Increase Electricity Generation from Renewable Energy

    E-Print Network [OSTI]

    Schmalensee, Richard

    Building on a review of experience in the United States and the European Union, this article advances four main propositions concerning policies aimed at increasing electricity generation from renewable energy. First, who ...

  4. Structural Evolution of Colloidal Crystals with Increasing Ionic Strength

    E-Print Network [OSTI]

    Braun, Paul

    Structural Evolution of Colloidal Crystals with Increasing Ionic Strength Michael A. Bevan. In Final Form: June 5, 2004 We have directly observed the structural evolution of colloidal crystals colloidal crystals were shear melted and then evolved

  5. Climate Change Institute director wants to increase information...

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

    Fred Strohl Communications 865.574.4165 Climate Change Science Institute director wants to increase information Jack Fellows Jack Fellows (hi-res image) Listen to the audio OAK...

  6. Does administering iodine in radiological procedures increase patient doses?

    SciTech Connect (OSTI)

    He, Wenjun; Yao, Hai, E-mail: haiyao@clemson.edu [Clemson-MUSC Bioengineering Program, Department of Bioengineering, Clemson University, Charleston, South Carolina 29425 (United States); Huda, Walter; Mah, Eugene [Department of Radiology and Radiological Science, Medical University of South Carolina (MUSC), Charleston, South Carolina 29425 (United States)

    2014-11-01

    Purpose: The authors investigated the changes in the pattern of energy deposition in tissue equivalent phantoms following the introduction of iodinated contrast media. Methods: The phantom consisted of a small “contrast sphere,” filled with water or iodinated contrast, located at the center of a 28 cm diameter water sphere. Monte Carlo simulations were performed using MCNP5 codes, validated by simulating irradiations with analytical solutions. Monoenergetic x-rays ranging from 35 to 150 keV were used to simulate exposures to spheres containing contrast agent with iodine concentrations ranging from 1 to 100 mg/ml. Relative values of energy imparted to the contrast sphere, as well as to the whole phantom, were calculated. Changes in patterns of energy deposition around the contrast sphere were also investigated. Results: Small contrast spheres can increase local absorbed dose by a factor of 13, but the corresponding increase in total energy absorbed was negligible (<1%). The highest localized dose increases were found to occur at incident photon energies of about 60 keV. For a concentration of about 10 mg/ml, typical of clinical practice, localized absorbed doses were generally increased by about a factor of two. At this concentration of 10 mg/ml, the maximum increase in total energy deposition in the phantom was only 6%. These simulations demonstrated that increases in contrast sphere doses were offset by corresponding dose reductions at distal and posterior locations. Conclusions: Adding iodine can result in values of localized absorbed dose increasing by more than an order of magnitude, but the total energy deposition is generally very modest (i.e., <10%). Their data show that adding iodine primarily changes the pattern of energy deposition in the irradiated region, rather than increasing patient doses per se.

  7. Effect of Increased Natural Gas Exports on Domestic Energy Markets

    Reports and Publications (EIA)

    2012-01-01

    This report responds to an August 2011 request from the Department of Energy's Office of Fossil Energy (DOE\\/FE) for an analysis of "the impact of increased domestic natural gas demand, as exports." Appendix A provides a copy of the DOE\\/FE request letter. Specifically, DOE\\/FE asked the U.S. Energy Information Administration (EIA) to assess how specified scenarios of increased natural gas exports could affect domestic energy markets, focusing on consumption, production, and prices.

  8. Secondary organic aerosol formation from anthropogenic air pollution: Rapid and higher than expected

    E-Print Network [OSTI]

    Secondary organic aerosol formation from anthropogenic air pollution: Rapid and higher than (2006), Secondary organic aerosol formation from anthropogenic air pollution: Rapid and higher than expected, Geophys. Res. Lett., 33, L17811, doi:10.1029/ 2006GL026899. [2] Anthropogenic air pollution poses

  9. ON HIGHER ORDER EMBEDDINGS OF FANO THREEFOLDS BY THE ANTICANONICAL LINEAR SYSTEM

    E-Print Network [OSTI]

    Sommese, Andrew J.

    ON HIGHER ORDER EMBEDDINGS OF FANO THREEFOLDS BY THE ANTICANONICAL LINEAR SYSTEM MAURO C order embeddings of projective manifolds. This is of importance in the understanding of higher order embeddings of the special varieties of ad- junction theory, which are usually bered by special Fano manifolds

  10. ON HIGHER ORDER EMBEDDINGS OF FANO THREEFOLDS BY THE ANTICANONICAL LINEAR SYSTEM

    E-Print Network [OSTI]

    Sommese, Andrew J.

    ON HIGHER ORDER EMBEDDINGS OF FANO THREEFOLDS BY THE ANTICANONICAL LINEAR SYSTEM MAURO C order embeddings of projective manifolds. This is of importance in the understanding of higher order embeddings of the special varieties of ad­ junction theory, which are usually fibered by special Fano

  11. GLOBAL KIOSK OF HIGHER EDUCATION & SCHOLARSHIP: Emerging Mega Alliance of High

    E-Print Network [OSTI]

    Khan, Javed I.

    GLOBAL KIOSK OF HIGHER EDUCATION & SCHOLARSHIP: Emerging Mega Alliance of High Performance Research and Education Networks (REN) GLOBAL KIOSK OF HIGHER EDUCATION & SCHOLARSHIP: Emerging Mega Alliance of High is marching further forward. Countries worldwide are now forming mega REN alliances of continental proportion

  12. On the Higher-Order MoM-PO Electromagnetic Modeling of Vehicles

    E-Print Network [OSTI]

    Notaros, Branislav M.

    vehicles (cars, airplanes, helicopters, spacecraft, etc.). From the electromagnetic point of view and accurate higher-order, large-domain hybrid computational technique based on the method of moments (Mo the efficiency and accuracy of the hybrid higher-order computational technique and its advantages over

  13. ORIGINAL PAPER Wintering forest birds roost in areas of higher sun radiation

    E-Print Network [OSTI]

    Carrascal, Luis M.

    temperatures, and higher solar radiation in order to minimize thermoregulation costs during resting time situations). We employ GIS methods to quantify solar radiation at each location surrounding the nest boxes with higher solar radiation, where the period of light available for foraging is extended and thermoregulation

  14. Higher order QED in high mass e+ e- pairs production at RHIC

    E-Print Network [OSTI]

    Anthony J. Baltz; Joakim Nystrand

    2010-03-19

    Lowest order and higher order QED calculations have been carried out for the RHIC high mass e+ e- pairs observed by PHENIX with single ZDC triggers. The lowest order QED results for the experimental acceptance are about two standard deviations larger than the PHENIX data. Corresponding higher order QED calculations are within one standard deviation of the data.

  15. Wet weather led to higher stumpage prices for hardwood (especially pulpwood) in East

    E-Print Network [OSTI]

    Wet weather led to higher stumpage prices for hardwood (especially pulpwood) in East Texas during March/April 2012. Pine saw- log and pulpwood prices remained flat to slightly lower. Higher diesel costs put downward pressure on stumpage prices. Pine sawlog prices averaged $22.11 per ton, 6 percent lower

  16. Why the Price of Higher Education Has Gone Up, But Pell Grants Have Not Kept Pace

    E-Print Network [OSTI]

    Heller, Don

    Why the Price of Higher Education Has Gone Up, But Pell Grants Have Not Kept Pace Donald E. Heller, not price, with poor consumer information 4. Broadening participation to new populations 3. State. Heller 5 #12;Top 3 reasons for rising tuition prices 3. Rising costs 2. Relative disinvestment in higher

  17. Characterization of Catalysts for Synthesis of Higher Alcohols using Electron Microscopy

    E-Print Network [OSTI]

    Dunin-Borkowski, Rafal E.

    and better production paths. One of these is using biogas to create alcohol as a fuel. Higher alcohols are favorable due to the higher energy density and the facile application in today they are working [2],[3]. The catalysts for sustainable energy project (CASE) at DTU aims

  18. Senate Standing Orders on Higher Degrees Page 1 UNIVERSITY OF THE WITWATERSRAND, JOHANNESBURG

    E-Print Network [OSTI]

    Wagner, Stephan

    Senate Standing Orders on Higher Degrees Page 1 UNIVERSITY OF THE WITWATERSRAND, JOHANNESBURG S2013/21A (replacing S2012/265, S2011/368a, S2009/2361A, S2009/2361, and S2006/2302) SENATE STANDING ORDERS ON HIGHER DEGREES This document is divided into five sections as follow: A. Standing Orders for degrees

  19. Tobacco Control in North Dakota, 2004-2012: Reaching for Higher Ground

    E-Print Network [OSTI]

    Rosenbaum, Daniel J.; Barnes, Richard L.; Glantz, Stanton A.

    2012-01-01

    from Altria/PM) to political campaigns, an increase of 147from Altria/PM) to political campaigns, an increase of 147

  20. Increased seawater temperature increases the abundance and alters the structure of natural Vibrio populations associated with the coral Pocillopora damicornis

    E-Print Network [OSTI]

    Tout, Jessica

    Rising seawater temperature associated with global climate change is a significant threat to coral health and is linked to increasing coral disease and pathogen-related bleaching events. We performed heat stress experiments ...

  1. Effects of increasing tip velocity on wind turbine rotor design.

    SciTech Connect (OSTI)

    Resor, Brian Ray; Maniaci, David Charles; Berg, Jonathan Charles; Richards, Phillip William

    2014-05-01

    A reduction in cost of energy from wind is anticipated when maximum allowable tip velocity is allowed to increase. Rotor torque decreases as tip velocity increases and rotor size and power rating are held constant. Reduction in rotor torque yields a lighter weight gearbox, a decrease in the turbine cost, and an increase in the capacity for the turbine to deliver cost competitive electricity. The high speed rotor incurs costs attributable to rotor aero-acoustics and system loads. The increased loads of high speed rotors drive the sizing and cost of other components in the system. Rotor, drivetrain, and tower designs at 80 m/s maximum tip velocity and 100 m/s maximum tip velocity are created to quantify these effects. Component costs, annualized energy production, and cost of energy are computed for each design to quantify the change in overall cost of energy resulting from the increase in turbine tip velocity. High fidelity physics based models rather than cost and scaling models are used to perform the work. Results provide a quantitative assessment of anticipated costs and benefits for high speed rotors. Finally, important lessons regarding full system optimization of wind turbines are documented.

  2. Energy Demand: Limits on the Response to Higher Energy Prices in the End-Use Sectors (released in AEO2007)

    Reports and Publications (EIA)

    2007-01-01

    Energy consumption in the end-use demand sectorsresidential, commercial, industrial, and transportationgenerally shows only limited change when energy prices increase. Several factors that limit the sensitivity of end-use energy demand to price signals are common across the end-use sectors. For example, because energy generally is consumed in long-lived capital equipment, short-run consumer responses to changes in energy prices are limited to reductions in the use of energy services or, in a few cases, fuel switching; and because energy services affect such critical lifestyle areas as personal comfort, medical services, and travel, end-use consumers often are willing to absorb price increases rather than cut back on energy use, especially when they are uncertain whether price increases will be long-lasting. Manufacturers, on the other hand, often are able to pass along higher energy costs, especially in cases where energy inputs are a relatively minor component of production costs. In economic terms, short-run energy demand typically is inelastic, and long-run energy demand is less inelastic or moderately elastic at best.

  3. RECENT PROCESS IMPROVEMENTS TO INCREASE HLW THROUGHPUT AT THE DWPF

    SciTech Connect (OSTI)

    Herman, C

    2007-02-14

    The Savannah River Site's (SRS) Defense Waste Processing Facility (DWPF), the world's largest operating high level waste (HLW) vitrification plant, began stabilizing about 35 million gallons of SRS liquid radioactive waste by-product in 1996. The DWPF has since filled over 2000 canisters with about 4000 pounds of radioactive glass in each canister. In the past few years there have been several process and equipment improvements at the DWPF to increase the rate at which the waste can be stabilized. These improvements have either directly increased waste processing rates or have desensitized the process and therefore minimized process upsets and thus downtime. These improvements, which include glass former optimization, increased waste loading of the glass, the melter heated bellows liner, and glass surge protection software, will be discussed in this paper.

  4. Reduction of beta* and increase of luminosity at RHIC

    SciTech Connect (OSTI)

    Pilat,F.; Bai, M.; Bruno, D.; Cameron, P.; Della Penna, A.; Drees, A.; Litvinenko, V.; Luo, Y.; Malitsky, N.; Marr, G.; Ptitsyn, V.; Satogata, T.; Tepikian, S.; Trbojevic, D.

    2009-05-04

    The reduction of {beta}* beyond the 1m design value at RHIC has been consistently achieved over the last 6 years of RHIC operations, resulting in an increase of luminosity for different running modes and species. During the recent 2007-08 deuteron-gold run the reduction to 0.70 from the design 1m achieved a 30% increase in delivered luminosity. The key ingredients allowing the reduction have been the capability of efficiently developing ramps with tune and coupling feedback, orbit corrections on the ramp, and collimation, to minimize beam losses in the final focus triplets, the main aperture limitations for the collision optics. We will describe the operational strategy used to reduce the {beta}*, at first squeezing the beam at store, to test feasibility, followed by the operationally preferred option of squeezing the beam during acceleration, and the resulting luminosity increase. We will conclude with future plans for the beta squeeze.

  5. Increasing the efficiency of tape-based storage backends

    E-Print Network [OSTI]

    Bessone, N; Murray, S; Taurelli, G; CERN. Geneva. IT Department; 10.1088/1742-6596/219/6/062038

    2010-01-01

    HSM systems such as the CERN’s Advanced STORage manager (CASTOR) [1] are responsible for storing Petabytes of data which is first cached on disk and then persistently stored on tape media. The contents of these tapes are regularly repacked from older, lower-density media to new-generation, higher-density media in order to free up physical space and ensure long term data integrity and availability. With the evolution of price decay and higher capacity of disk (and flash memory) based storage, our future vision for tape usage is to move away from serving on demand, random, per-file access to non-disk cached files, and to move towards loosely coupled, efficient bulk data transfers where large-volume data sets are stored and retrieved in aggregations, fully exploiting the stream-based nature of tape media. Mechanisms for grouped migration policies and priorities have been implemented, and an innovative tape format optimized for data aggregations is being developed. This new tape format will also allow for incre...

  6. Method of increasing the sulfation capacity of alkaline earth sorbents

    DOE Patents [OSTI]

    Shearer, J.A.; Turner, C.B.; Johnson, I.

    1980-03-13

    A system and method for increasing the sulfation capacity of alkaline earth carbonates to scrub sulfur dioxide produced during the fluidized bed combustion of coal in which partially sulfated alkaline earth carbonates are hydrated in a fluidized bed to crack the sulfate coating and convert the alkaline earth oxide to the hydroxide. Subsequent dehydration of the sulfate-hydroxide to a sulfate-oxide particle produces particles having larger pore size, increased porosity, decreased grain size and additional sulfation capacity. A continuous process is disclosed.

  7. Use of electric field to increase nuclear emulsion sensitivity

    SciTech Connect (OSTI)

    Didenko, A.Y.; Lemeshko, B.D.; Moroz, I.N.

    1985-11-01

    The possibility of increasing the sensitivity of type-R nuclear emulsion by means of an electric field of 4X10/sup 6/ V/cm is investigated. In model experiments, an emulsion (10 micrometers thick on a Dacron base 50 micrometers thick) is irradiated by a pulsed light source with an illumination duration of 10/sup -6/ sec. Application of 10/sup 3/ electric pulses to the emulsion does not change fogging. The memory time of the nuclear emulsion was determined by increasing the delay of the electric field relative to the light flash.

  8. Increase of the grating coupler bandwidth with a graphene overlay

    SciTech Connect (OSTI)

    Cheng, Zhenzhou; Li, Zhen; Xu, Ke; Tsang, Hon Ki, E-mail: hktsang@ee.cuhk.edu.hk [Department of Electronic Engineering, The Chinese University of Hong Kong, Shatin (Hong Kong)

    2014-03-17

    We present theoretical and experimental results that demonstrate an increase in the grating bandwidth by placing a graphene on the chip. A focusing subwavelength grating with coupling efficiency of ?4.3?dB and 1?dB bandwidth of ?60?nm was demonstrated. After a graphene sheet was transferred onto the chip, the maximum 1?dB bandwidth was increased to ?72?nm. Experimental results are consistent with the calculated graphene induced waveguide refractive index and dispersion changes, and the bandwidth improvement may be attributed to the reduction of grating dispersion. This study may be of interest for graphene-on-silicon photonic integrated circuit applications.

  9. Possible Pathways for Increasing Natural Gas Use for Transportation (Presentation)

    SciTech Connect (OSTI)

    Zigler, B.

    2014-10-01

    A collaborative partnership of DOE National Laboratories is working with DOE to identify critical RD&D needs to significantly increase the speed and breadth of NG uptake into the transportation sector. Drivers for increased utilization of natural gas for transportation are discussed. Key needs in research, development, and deployment are proposed, as well as possible pathways to address those needs. This presentation is intended to serve as a catalyst to solicit input from stakeholders regarding what technical areas they deem the most important.

  10. Panel reports of the first session of the workshop on coal for California

    SciTech Connect (OSTI)

    Davidson, Karen R.

    1980-05-01

    The panel reports are the result of a five-day workshop held at the Pajaro Dunes Conference Center, Watsonville, California, October 1-6, 1978. The workshop was conducted by JPL, under the sponsorship of the US Department of Energy and the California Energy Commission. The purpose of the exercise was to assay the opinions of a broad range of groups in order to identify what people perceive to be the problems associated with increased coal use in California. Representatives from utilities, industry, mining companies, citizens groups, and the academic community were divided into seven panels, each of which prepared a report. Representatives of government agencies attended as observers. The panels examined end-uses of coal in California, mine-mouth conversion, advanced concepts and use of Alaskan coal, environmental effects, public acceptance, finance, and legislation and regulation.

  11. The inflammatory response in transgastric surgery: gastric content leak leads to localized inflammatory response and higher adhesive disease

    E-Print Network [OSTI]

    2010-01-01

    response and higher adhesive disease Sonia L. Ramamoorthy Æin?ammatory markers, adhesive disease, and morbidity.cantly higher rate of adhesive disease in the SG compared

  12. Intermediate Alcohol-Gasoline Blends, Fuels for Enabling Increased Engine Efficiency and Powertrain Possibilities

    SciTech Connect (OSTI)

    Splitter, Derek A; Szybist, James P

    2014-01-01

    The present study experimentally investigates spark-ignited combustion with 87 AKI E0 gasoline in its neat form and in mid-level alcohol-gasoline blends with 24% vol./vol. iso-butanol-gasoline (IB24) and 30% vol./vol. ethanol-gasoline (E30). A single-cylinder research engine is used with a low and high compression ratio of 9.2:1 and 11.85:1 respectively. The engine is equipped with hydraulically actuated valves, laboratory intake air, and is capable of external exhaust gas recirculation (EGR). All fuels are operated to full-load conditions with =1, using both 0% and 15% external cooled EGR. The results demonstrate that higher octane number bio-fuels better utilize higher compression ratios with high stoichiometric torque capability. Specifically, the unique properties of ethanol enabled a doubling of the stoichiometric torque capability with the 11.85:1 compression ratio using E30 as compared to 87 AKI, up to 20 bar IMEPg at =1 (with 15% EGR, 18.5 bar with 0% EGR). EGR was shown to provide thermodynamic advantages with all fuels. The results demonstrate that E30 may further the downsizing and downspeeding of engines by achieving increased low speed torque, even with high compression ratios. The results suggest that at mid-level alcohol-gasoline blends, engine and vehicle optimization can offset the reduced fuel energy content of alcohol-gasoline blends, and likely reduce vehicle fuel consumption and tailpipe CO2 emissions.

  13. Agricultural green revolution as a driver of increasing atmospheric CO2 seasonal amplitude

    SciTech Connect (OSTI)

    Zeng, Ning; Zhao, Fang; Collatz, George; Kalnay, Eugenia; Salawitch, Ross J.; West, Tristram O.; Guanter, Luis

    2014-11-20

    The atmospheric carbon dioxide (CO2) record displays a prominent seasonal cycle that arises mainly from changes in vegetation growth and the corresponding CO2 uptake during the boreal spring and summer growing seasons and CO2 release during the autumn and winter seasons. The CO2 seasonal amplitude has increased over the past five decades, suggesting an increase in Northern Hemisphere biospheric activity. It has been proposed that vegetation growth may have been stimulated by higher concentrations of CO2 as well as by warming in recent decades, but such mechanisms have been unable to explain the full range and magnitude of the observed increase in CO2 seasonal amplitude. Here we suggest that the intensification of agriculture (the Green Revolution, in which much greater crop yield per unit area was achieved by hybridization, irrigation and fertilization) during the past five decades is a driver of changes in the seasonal characteristics of the global carbon cycle. Our analysis of CO2 data and atmospheric inversions shows a robust 15 per cent long-term increase in CO2 seasonal amplitude from 1961 to 2010, punctuated by large decadal and interannual variations. Using a terrestrial carbon cycle model that takes into account high-yield cultivars, fertilizer use and irrigation, we find that the long-term increase in CO2 seasonal amplitude arises from two major regions: the mid-latitude cropland between 256N and 606N and the high-latitude natural vegetation between 506N and 706 N. The long-term trend of seasonal amplitude increase is 0.311 ± 0.027 percent per year, of which sensitivity experiments attribute 45, 29 and 26 per cent to land-use change, climate variability and change, and increased productivity due to CO2 fertilization, respectively. Vegetation growth was earlier by one to two weeks, as measured by the mid-point of vegetation carbon uptake, and took up 0.5 petagrams more carbon in July, the height of the growing season, during 2001–2010 than in 1961–1970, suggesting that human land use and management contribute to seasonal changes in the CO2 exchange between the biosphere and the atmosphere.

  14. Rover Traverse Science for Increased Mission Science Return

    E-Print Network [OSTI]

    analysis technology for increasing science return from missions. Our technology evaluates the geologic data the primary features populating the Martian landscape. Characterization and understanding of rocks on the surface is a first step leading towards more complex in situ regional geological assessments by the rover

  15. Using digest pages to increase user result space: Preliminary designs

    E-Print Network [OSTI]

    Lalmas, Mounia

    Using digest pages to increase user result space: Preliminary designs Shanu Sushmita Queen Mary. In this paper, we introduce the concept of a digest page, which is a fictitious document built from its documents summarized into the digest page. This paper presents preliminary designs regarding

  16. SHORT COMMUNICATION Rhizobium Nod factors induce increases in intracellular free

    E-Print Network [OSTI]

    Kunkel, Joseph G.

    SHORT COMMUNICATION Rhizobium Nod factors induce increases in intracellular free calcium of Massachusetts, Box 35810, Amherst MA 01003±5810, USA Summary Application of Nod factors to growing, responsive region after 10±15 min treatment with Nod factors. The extracellular Ca2+ ¯ux, detected with the non

  17. Managing Variable Energy Resources to Increase Renewable Electricity's

    E-Print Network [OSTI]

    Managing Variable Energy Resources to Increase Renewable Electricity's Contribution to the Grid P o Contribution of Renewable Energy to Total Electricity Generation? 15 ManaGInG VaRIablE EnERGy REsouRCEs 16 What to Better Respond to Variability? 19 How Can the Siting of Renewable Energy Projects Be Improved? 20 What

  18. Increased Fuel Mileage Jason Heiser, Brian Philbrick, and

    E-Print Network [OSTI]

    Bowen, James D.

    Increased Fuel Mileage Standards Jason Heiser, Brian Philbrick, and Dereck Mar · Corporate Average Fuel Economy ­ sales weighted average in miles per gallon of a car manufacturer ­ Only the fuel economy by measuring carbon in emissions and is a weighted average of highway and city driving

  19. been due to the increase in greenhouse gas concentrations."

    E-Print Network [OSTI]

    Latham, Peter

    been due to the increase in greenhouse gas concentrations." Not only is climate difficult to climate change, and house prices consequently fall, some of this loss can straightforwardly how some external driver of climate change, such as past green- house-gas emissions, may have

  20. Increasing Youth and Community Agency in GIS Sarah Van Wart

    E-Print Network [OSTI]

    Parikh, Tapan S.

    Increasing Youth and Community Agency in GIS Sarah Van Wart UC Berkeley School of Information to submit and view geographic data, most users are still excluded from GIS design and decision-making. Local) tools, with the process-oriented, inclusive emphasis of Participatory and Qualitative GIS. Users start

  1. Increasing the Sensitivity of Piezoelectric Microphone: Optimizing Support Material

    E-Print Network [OSTI]

    Petta, Jason

    Increasing the Sensitivity of Piezoelectric Microphone: Optimizing Support Material Michelle Alber supports. Analysis: Conclusion: Materials more susceptible to shearing did not allow the PVDF material) Materials: d31 d31 F L A X G= FL AX Material Shear Modulus (GPa) Maximum Sensitivity (mV/Pa) between 1000Hz

  2. Increasing carbon storage in intact African tropical forests

    E-Print Network [OSTI]

    Malhi, Yadvinder

    to predictions of future levels of atmospheric carbon dioxide1,2 . The role of tropical forests is critical dioxide concentrations, may be the cause of the increase in carbon stocks13 , as some theory14 and models2 with estimates of fossil fuel emissions, ocean carbon fluxes and carbon released from land-use change, indicate

  3. System for increasing corona inception voltage of insulating oils

    DOE Patents [OSTI]

    Rohwein, G.J.

    1998-05-19

    The Corona Inception Voltage of insulating oils is increased by repetitive cycles of prestressing the oil with a voltage greater than the corona inception voltage, and either simultaneously or serially removing byproducts of corona by evacuation and heating the oil. 5 figs.

  4. SEP Success Story: Helping Wisconsin Small Businesses Increase Sustainability

    Broader source: Energy.gov [DOE]

    The Wisconsin Profitable Sustainability Initiative (PSI) is designed to implement sustainable business practices within small- and medium-sized manufacturers. Thanks to financial support from the Wisconsin Economic Development Corporation and funding from a grant from the Energy Department’s State Energy Program, this specific program has been able to increase its outreach and support to local organizations. Learn more.

  5. Upconversion as a Viable Route to Increased Efficiency Solar Energy

    E-Print Network [OSTI]

    Firestone, Jeremy

    Upconversion as a Viable Route to Increased Efficiency Solar Energy Conversion Joshua Zide, Matt University of Delaware Energy Institute #12;Efficiency drives reduced $/W.... http://www.nrel.gov/ncpv/! Shockley-Queisser Limit! *adopted from http://www.lbl.gov/Science-Articles/Archive/MSD-full-spectrum-solar

  6. The Information Mural: Increasing Information Bandwidth in Visualizations

    E-Print Network [OSTI]

    Stasko, John T.

    The Information Mural: Increasing Information Bandwidth in Visualizations Dean F. Jerding and John Abstract Information visualizations must allow users to browse information spaces and focus quickly on items of interest. Being able to see some representation of the entire information space provides

  7. 1. Introduction1 As system complexity increases and design time

    E-Print Network [OSTI]

    Ould Ahmedou, Mohameden

    have driven many system, hardware, and software designers to create executable specifications enables, promotes and accelerates system-level intellectual property (IP) model exchange and co- design1. Introduction1 As system complexity increases and design time shrinks, it becomes extremely

  8. INCREASED FOOD AND ENERGY CONSUMPTION OF LACTATING NORTHERN FUR SEALS,

    E-Print Network [OSTI]

    nursing females require considerably more energy than do nonnursing females of the same species, age times greater than that observed in nonpregnant, nonlactating adult females, and lactating animals often that adult female sperm whales, Pkyseter macro- cephalus, need to increase their food intake by about 32

  9. Graphite Fiber Brush Anodes for Increased Power Production in

    E-Print Network [OSTI]

    Graphite Fiber Brush Anodes for Increased Power Production in Air-Cathode Microbial Fuel Cells B R a conductive, but noncorrosive metal core, were examined for power production in cube (C-MFC) and bottle (B-MFC) air-cathode MFCs. Power production in C-MFCs containing brush electrodes at 9600 m2/m3 reactor volume

  10. Hydrogen Bonding Increases Packing Density in the Protein Interior

    E-Print Network [OSTI]

    Hydrogen Bonding Increases Packing Density in the Protein Interior David Schell,1,2 Jerry Tsai,1 J System Health Science Center, College Station, Texas 77843-1114 ABSTRACT The contribution of hydrogen to the stability, but experimental studies show that bury- ing polar groups, especially those that are hydrogen

  11. Second Forum on Energy & Water Sustainability: Increasing Resource Productivity

    E-Print Network [OSTI]

    Keller, Arturo A.

    in resource efficiency, for energy and water? · What are the co-benefits of implementing these technologiesSecond Forum on Energy & Water Sustainability: Increasing Resource Productivity April 10, 2009 of energy and water sustainability, considering the important linkages between these two resources

  12. REQUEST FOR SPECIAL PAY INCREASE FLORIDA ATLANTIC UNIVERSITY

    E-Print Network [OSTI]

    Marques, Oge

    of the pay range (SP only) or 25% above current salary (SP and AMP). A Personnel Action Form (PAF) must SALARY: $ NEW SALARY: $ PERCENT INCREASE IN SALARY: % REQUESTED EFFECTIVE DATE (Effective date must CATEGORY (Check One) Superior Performance Retention Counter Offer Career Development Salary Compression

  13. Increased Power Generation in a Continuous Flow MFC with

    E-Print Network [OSTI]

    Increased Power Generation in a Continuous Flow MFC with Advective Flow through the Porous Anode, The Pennsylvania State University, University Park, Pennsylvania 16802 The maximum power generated in a single without affecting power generation (16). Pt can be replaced by less expensive alternatives such as Co

  14. Computational Challenges and Analysis under Increasingly Dynamic and Uncertain

    E-Print Network [OSTI]

    Computational Challenges and Analysis under Increasingly Dynamic and Uncertain Electric Power Empowering Minds to Engineer the Future Electric Energy System #12;Thrust Area 5 White Paper Computational Professor School of Electrical and Computer Engineering Georgia Institute of Technology 777 Atlantic Drive

  15. ANGIOTENSIN II INDUCED CEREBRAL MICROVASCULAR INFLAMMATION AND INCREASED BLOODBRAIN BARRIER

    E-Print Network [OSTI]

    Hayar, Abdallah

    II infusion using osmotic mini-pumps at a rate of 400 ng/kg/min for 14 days. Vascular inflammation.05, compared to vehicle) increase in leukocyte adhesion on day 4 of AngII infusion. This effect persisted through day 14 of AngII infusion, which resulted in a 2.6 fold (P

  16. 1 INTRODUCTION Alternative energy sources have increasingly gained

    E-Print Network [OSTI]

    Sandborn, Peter

    1 INTRODUCTION Alternative energy sources have increasingly gained the interest for governments it is required, is a major concern for alternative energy systems. Profits and environmental benefits, research institutes, academia, and industry in order to advance the penetration of sustainable energy

  17. Managing Variable Energy Resources to Increase Renewable Electricity's

    E-Print Network [OSTI]

    to Better Respond to Variability? 19 How Can the Siting of Renewable Energy Projects Be Improved? 20 WhatManaging Variable Energy Resources to Increase Renewable Electricity's Contribution to the Grid P o accurately assessing and preparing for the operational effects of renewable generation. DEVElopMEnt anD DIss

  18. A STUDY OF INCREASED USE OF RENEWABLE ENERGY

    E-Print Network [OSTI]

    A STUDY OF INCREASED USE OF RENEWABLE ENERGY RESOURCES IN VIRGINIA Performed by: The Virginia Renewable Energy Laboratory, Golden, Colorado · Appendix B: Lori Bird and Gian Porro, National Renewable Center for Coal and Energy Research Virginia Polytechnic Institute and State University Michael Karmis

  19. Increasing the High Speed Torque of Bipolar Stepper

    E-Print Network [OSTI]

    Peters, Dennis

    the windings of the motor dictates the high speed torque. This application note shows that increasing the slew rates of the winding currents in a bipolar stepper motor pushes the motor to deliver more torque at high°) bipolar currents (Figure 1) energize the windings of a bipolar stepper motor. One step occurs at each

  20. Meson production decreases with increasing proton beam emittance, but

    E-Print Network [OSTI]

    McDonald, Kirk

    Meson production decreases with increasing proton beam emittance, but careful optimization keeps production a Ga-jet target is then about 88% of that for a Hg-jet target. INFLUENCE OF PROTON BEAM EMITTANCES ON PARTICLE PRODUCTION OFF A MUON COLLIDER TARGET (IPAC13, TUPFI069) The geometric parameters of a free Hg

  1. CO2 enrichment increases carbon and nitrogen input from

    E-Print Network [OSTI]

    CO2 enrichment increases carbon and nitrogen input from fine roots in a deciduous forest Colleen2 Ecological Society of America, 2008 #12;#12;#12;#12;#12;+ [CO2] #12;+ Net primary production + [CO2] #12;+ Net primary production + [CO2] + C and N storage in biomass #12;+ Net primary production

  2. Increasing Returns and Economic Geography PaulKrugman

    E-Print Network [OSTI]

    Singh, Jaswinder Pal

    Increasing Returns and Economic Geography PaulKrugman MassachusettsInstituteof Technology of economic geography-of the location of factors of pro- duction in space-occupies a relatively small part. On the whole, however, it seems fair to say that the study of economic geography plays at best a marginal role

  3. An infinite family of superintegrable systems from higher order ladder operators and supersymmetry

    E-Print Network [OSTI]

    Ian Marquette

    2010-12-23

    We will discuss how we can obtain new quantum superintegrable Hamiltonians allowing the separation of variables in Cartesian coordinates with higher order integrals of motion from ladder operators. We will discuss also how higher order supersymmetric quantum mechanics can be used to obtain systems with higher order ladder operators and their polynomial Heisenberg algebra. We will present a new family of superintegrable systems involving the fifth Painleve transcendent which possess fourth order ladder operators constructed from second order supersymmetric quantum mechanics. We present the polynomial algebra of this family of superintegrable systems.

  4. Pulse transmission receiver with higher-order time derivative pulse correlator

    DOE Patents [OSTI]

    Dress, Jr., William B.; Smith, Stephen F.

    2003-09-16

    Systems and methods for pulse-transmission low-power communication modes are disclosed. A pulse transmission receiver includes: a higher-order time derivative pulse correlator; a demodulation decoder coupled to the higher-order time derivative pulse correlator; a clock coupled to the demodulation decoder; and a pseudorandom polynomial generator coupled to both the higher-order time derivative pulse correlator and the clock. The systems and methods significantly reduce lower-frequency emissions from pulse transmission spread-spectrum communication modes, which reduces potentially harmful interference to existing radio frequency services and users and also simultaneously permit transmission of multiple data bits by utilizing specific pulse shapes.

  5. Assessment of Summer 1997 motor gasoline price increase

    SciTech Connect (OSTI)

    1998-05-01

    Gasoline markets in 1996 and 1997 provided several spectacular examples of petroleum market dynamics. The first occurred in spring 1996, when tight markets, following a long winter of high demand, resulted in rising crude oil prices just when gasoline prices exhibit their normal spring rise ahead of the summer driving season. Rising crude oil prices again pushed gasoline prices up at the end of 1996, but a warm winter and growing supplies weakened world crude oil markets, pushing down crude oil and gasoline prices during spring 1997. The 1996 and 1997 spring markets provided good examples of how crude oil prices can move gasoline prices both up and down, regardless of the state of the gasoline market in the United States. Both of these spring events were covered in prior Energy Information Administration (EIA) reports. As the summer of 1997 was coming to a close, consumers experienced yet another surge in gasoline prices. Unlike the previous increase in spring 1996, crude oil was not a factor. The late summer 1997 price increase was brought about by the supply/demand fundamentals in the gasoline markets, rather than the crude oil markets. The nature of the summer 1997 gasoline price increase raised questions regarding production and imports. Given very strong demand in July and August, the seemingly limited supply response required examination. In addition, the price increase that occurred on the West Coast during late summer exhibited behavior different than the increase east of the Rocky Mountains. Thus, the Petroleum Administration for Defense District (PADD) 5 region needed additional analysis (Appendix A). This report is a study of this late summer gasoline market and some of the important issues surrounding that event.

  6. Increased energy prices: energy savings and equity aspects. Final report

    SciTech Connect (OSTI)

    Herendeen, R.A.

    1983-06-01

    A mathematical model has been developed which approximates the reduction in a household's total energy consumption in response to higher energy prices and different rebate schemes. This model is based on the assumption that energy consumption is a function of a household's real income, prices of different commodities and energy intensities. The amount of energy saved and the change in real expenditure of a household has been calculated for four tax rates; 50%, 100%, 224% and 400%, and five rebate schemes; one regressive, two progressive, one income distribution preserving and the flat per capita rebate. The results indicate that, for a given tax rate, the choice of rebate scheme does not significantly affect the amount of energy conserved by the households. However, the effect of different rebate schemes on a household's real expenditure could be dramatically different.

  7. Chemical potentials in three-dimensional higher spin anti-de Sitter gravity

    E-Print Network [OSTI]

    Marc Henneaux; Alfredo Perez; David Tempo; Ricardo Troncoso

    2014-02-07

    We indicate how to introduce chemical potentials for higher spin charges in higher spin anti-de Sitter gravity in a manner that manifestly preserves the original asymptotic W-symmetry. This is done by switching on a non-vanishing component of the connection along the temporal (thermal) circles. We first recall the procedure in the pure gravity case (no higher spin) where the only "chemical potentials" are the temperature and the chemical potential associated with the angular momentum. We then generalize to the higher spin case. We find that there is no tension with the W(N) or W(infinity) asymptotic algebra, which is obviously unchanged by the introduction of the chemical potentials. Our argument is non-perturbative.

  8. University of Technology, Sydney 1 The Higher Education Base Funding Review

    E-Print Network [OSTI]

    University of Technology, Sydney

    . This divergence is putting the quality of Australia's higher education system at risk. The impacts on the economy indexation formula: 90% of the Labour Price Index (Professional) plus the Consumer Price index

  9. Latinas in Higher Education Doctoral Programs at Public Institutions in Texas: Persistence and Validation 

    E-Print Network [OSTI]

    Santos, Rose Anna

    2013-11-26

    This dissertation examined the experiences of Latina doctoral students in higher education administration programs at five public institutions in Texas. Extant literature has demonstrated that there is a limited number of ...

  10. Coherence and Decay of Higher Energy Levels of a Superconducting Transmon Qubit

    E-Print Network [OSTI]

    Peterer, Michael J.

    We present measurements of coherence and successive decay dynamics of higher energy levels of a superconducting transmon qubit. By applying consecutive ? pulses for each sequential transition frequency, we excite the qubit ...

  11. Fundamenta Informaticae XX (2008) 1--16 1 Methods as Parameters: A Preprocessing Approach to Higher

    E-Print Network [OSTI]

    Occhiuto, M. Eugenia

    2008-01-01

    to Higher Order in Java Marco Bellia Dipartimento di Informatica, Universitâ?? a di Pisa, Pisa, Italy bellia@di.unipi.it M. Eugenia Occhiuto Dipartimento di Informatica, Universitâ?? a di Pisa, Pisa, Italy occhiuto

  12. Fact #743: September 3, 2012 Used Vehicle Sales are Three Times Higher than New Vehicle Sales

    Broader source: Energy.gov [DOE]

    From 1990 to 2008, the number of used vehicles sold was between 2.5 and 3 times higher than new vehicle sales. During the recent recession, both new and used vehicle sales declined to sales volumes...

  13. Methodical Aspects of Informatization of Physical Education at a Higher Education Institution

    E-Print Network [OSTI]

    Kerimbayev, Nurassyl; Sharmuhanbet, Saltanat

    2015-01-01

    The article considers the methodical aspects of informatization of physical education at a higher education institution. Besides, the article discloses the conception of the information educational environment and information technologies oriented at realizing psychological and pedagogical objectives of teaching and educating at a higher education institution. Information technologies in a higher education institution are oriented at realizing psychological and pedagogical objectives of teaching and educating. The authors of the article show the importance and possibilities of applying information technology media to the system of higher education training of specialists in the sphere of Physics. The authors consider developing the content of methodical training of future Physics teachers to be one of ways of solving the problem of informatization of education.

  14. A Model of Rhetorical Legitimization and the Case of Quality Assessment in Higher Education

    E-Print Network [OSTI]

    Berry, Alison Nicole

    2014-12-31

    The Department of Education (DoE) and the Council for Higher Education Accreditation (CHEA) are regulatory agencies in the system of accreditation that influence both the quality and reputation of colleges and universities. Recent criticism (e...

  15. Affirmative Action in Higher Education and Afro-Descendant Women in Bahia, Brazil

    E-Print Network [OSTI]

    Aubel, Maraci G.

    2011-05-31

    Affirmative Action in Higher Education and Afro-Descendant Women in Bahia, Brazil In 2001, the federal government of Brazil under President Fernando Henrique Cardoso (1995 - 2003) passed laws to remedy racial and socioeconomic inequality. Responding...

  16. Avoiding superluminal propagation of higher spin waves via projectors onto W^2 invariant subspaces

    E-Print Network [OSTI]

    Napsuciale, M; Napsuciale, Mauro; Kirchbach, Mariana

    2003-01-01

    We propose to describe higher spins as invariant subspaces of the squared Pauli-Lubanski operator, W^2, in a properly chosen representation, \\psi(p) (in momentum space), of the Homogeneous Lorentz Group. The resulting equation of motion for any field with s>=1 is then just PROY^{s}(p)\\psi(p)=\\psi(p), with PROY^{s}(p) being the respective covariant projector. We couple minimally electromagnetism to the above equation and show that for all representations which do not contain an s=0 sector, the corresponding wave fronts of the classical solutions propagate causally. The advocated method allows to describe all higher spins by covariant matrix equations of the dimensionality of the representation considered and which are only quadratic in the momenta. It avoids the Velo-Zwanziger problem of superluminal propagation of higher spin waves and points toward a consistent description of higher spin quantum fields.

  17. A Model of Accessibility Services Provision for Students with Disabilities in Higher Education

    E-Print Network [OSTI]

    Kouroupetroglou, Georgios

    23 A Model of Accessibility Services Provision for Students with Disabilities in Higher Education, Accessibility Service, Universal Learning Design, Tertiary Education, Assistive Technologies, Accessibility, Educational Facilities Abstract The number of universities offering services for students with disabilities

  18. Subjective Questions and Answers for a Mathematics Instructor of Higher Education

    E-Print Network [OSTI]

    Florentin Smarandache

    2007-05-12

    This article of mathematical education reflects author's experience with job applications and teaching methods and procedures to employ in the American Higher Education. It is organized as a standard questionnaire.

  19. Diversity Distress: The Experiences of Students of Color in Higher Education 

    E-Print Network [OSTI]

    Pratt, Beverly M.

    2011-02-22

    In this study, I specify the reasons why racial minority undergraduate students choose to pursue higher education studies at historically White colleges/universities, despite the schools' potential for diversity controversies. Rather than looking...

  20. A Case Study of Higher Education Competency Models Utilizing an Assessment Framework

    E-Print Network [OSTI]

    Uden, Jayme Robert

    2012-05-31

    The overall purpose of this study is to explore the creation and implementation of competency models in higher education masters level preparation programs. The study answers five research questions. Why and how did two ...

  1. A Vehicle Manufacturer’s Perspective on Higher-Octane Fuels

    Broader source: Energy.gov [DOE]

    Breakout Session 1C—Fostering Technology Adoption I: Building the Market for Renewables with High Octane Fuels A Vehicle Manufacturer’s Perspective on Higher-Octane Fuels Tom Leone, Technical Expert, Powertrain Evaluation and Analysis, Ford Motor Company

  2. Perceptions of selected senior administrators of higher education institutions in Mexico regarding needed administrative competencies 

    E-Print Network [OSTI]

    Gonzalez y Gonzalez, Elsa Maria

    2005-02-17

    Higher education institutions have an important role in changing societies; those in developing countries present an ample spectrum of differences, particularities, and needs. The role that senior administrators play as ...

  3. Generation of high-purity higher-order Laguerre-Gauss beams at high laser power

    E-Print Network [OSTI]

    L. Carbone; C. Bogan; P. Fulda; A. Freise; B. Willke

    2013-03-14

    We have investigated the generation of highly pure higher-order Laguerre-Gauss (LG) beams at high laser power of order 100W, the same regime that will be used by 2nd generation gravitational wave interferometers such as Advanced LIGO. We report on the generation of a helical type LG33 mode with a purity of order 97% at a power of 83W, the highest power ever reported in literature for a higher-order LG mode.

  4. Quantifying Energy Savings from Lean Manufacturing Productivity Increases 

    E-Print Network [OSTI]

    Seryak, J.; Epstein, G.; D'Antonio, M.

    2006-01-01

    from Lean Manufacturing Productivity Increases John Seryak Gary Epstein Mark D’Antonio Engineer jseryak@ers-inc.com President gepstein@ers-inc.com Vice President mdantonio@ers-inc.com Energy & Resource Solutions, Inc. Haverhill, MA... ABSTRACT A number of energy efficiency programs seek a reduction in the energy intensity of manufacturing processes. However, promoting energy efficiency through productivity improvements is not a widely accepted practice. As such, accepted methods...

  5. Methods for generating or increasing revenues from crops

    DOE Patents [OSTI]

    Copenhaver, Gregory P.; Keith, Kevin; Preuss, Daphne

    2007-03-20

    The present invention provides methods of doing business and providing services. For example, methods of increasing the revenue of crops are provided. To this end, the method includes the use of a nucleic acid sequences of plant centromeres. This will permit construction of stably inherited recombinant DNA constructs and mini chromosomes which can serve as vectors for the construction of transgenic plant and animal cells.

  6. Projecting the climatic effects of increasing carbon dioxide

    SciTech Connect (OSTI)

    MacCracken, M C; Luther, F M

    1985-12-01

    This report presents the current knowns, unknowns, and uncertainties regarding the projected climate changes that might occur as a result of an increasing atmospheric CO/sub 2/ concentration. Further, the volume describes what research is required to estimate the magnitude and rate of a CO/sub 2/-induced clamate change with regional and seasonal resolution. Separate abstracts have been prepared for the individual papers. (ACR)

  7. How do banks respond to increased funding uncertainty?

    E-Print Network [OSTI]

    Ritz, Robert A.; Walther, Ansgar

    2015-01-10

    liquidity in money markets where lenders are con- cerned about counterparty risk. This creates convex wholesale borrowing costs: Its (expected) wholesale funding rate increases in the amount borrowed, and also in- creases in the degree of liquidity... raises the expected marginal cost of wholesale funds, ?? > 0. Example 1: Counterparty risk and aggregate liquidity shocks This example is based on two basic frictions: (i) potential lenders in money markets are concerned about default...

  8. Increasing the Capacity of Existing Power Lines | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE: Alternative Fuelsof Energy ServicesContractingManagementSuccess,EnergyServicesIncreasing

  9. System-wide emissions implications of increased wind power penetration.

    SciTech Connect (OSTI)

    Valentino, L.; Valenzuela, V.; Botterud, A.; Zhou, Z.; Conzelmann, G. (Decision and Information Sciences); (Univ. of Illinois, Champaign/Urbana); (Georgia Institute of Technology)

    2012-01-01

    This paper discusses the environmental effects of incorporating wind energy into the electric power system. We present a detailed emissions analysis based on comprehensive modeling of power system operations with unit commitment and economic dispatch for different wind penetration levels. First, by minimizing cost, the unit commitment model decides which thermal power plants will be utilized based on a wind power forecast, and then, the economic dispatch model dictates the level of production for each unit as a function of the realized wind power generation. Finally, knowing the power production from each power plant, the emissions are calculated. The emissions model incorporates the effects of both cycling and start-ups of thermal power plants in analyzing emissions from an electric power system with increasing levels of wind power. Our results for the power system in the state of Illinois show significant emissions effects from increased cycling and particularly start-ups of thermal power plants. However, we conclude that as the wind power penetration increases, pollutant emissions decrease overall due to the replacement of fossil fuels.

  10. Increasing gas hydrate formation temperature for desalination of high salinity produced water with secondary guests

    SciTech Connect (OSTI)

    Cha, Jong-Ho [ORISE; Seol, Yongkoo [U.S. DOE

    2013-01-01

    We suggest a new gas hydrate-based desalination process using water-immiscible hydrate formers; cyclopentane (CP) and cyclohexane (CH) as secondary hydrate guests to alleviate temperature requirements for hydrate formation. The hydrate formation reactions were carried out in an isobaric condition of 3.1 MPa to find the upper temperature limit of CO2 hydrate formation. Simulated produced water (8.95 wt % salinity) mixed with the hydrate formers shows an increased upper temperature limit from ?2 °C for simple CO2 hydrate to 16 and 7 °C for double (CO2 + CP) and (CO2 + CH) hydrates, respectively. The resulting conversion rate to double hydrate turned out to be similar to that with simple CO2 hydrate at the upper temperature limit. Hydrate formation rates (Rf) for the double hydrates with CP and CH are shown to be 22 and 16 times higher, respectively, than that of the simple CO2 hydrate at the upper temperature limit. Such mild hydrate formation temperature and fast formation kinetics indicate increased energy efficiency of the double hydrate system for the desalination process. Dissociated water from the hydrates shows greater than 90% salt removal efficiency for the hydrates with the secondary guests, which is also improved from about 70% salt removal efficiency for the simple hydrates.

  11. Increasing Gas Prices: Good Economics, but Bad Public Relations Rising gasoline prices captured the attention of the press and politicians in recent months,

    E-Print Network [OSTI]

    Ahmad, Sajjad

    Increasing Gas Prices: Good Economics, but Bad Public Relations Rising gasoline prices captured interest during our current gasoline shortage. That is, a higher price rations the product to the best use for temporarily foregoing the state gasoline tax. Will that lower gas prices? No. Gas prices rose not because

  12. Increasing the effectiveness of reachback and remote command and control

    SciTech Connect (OSTI)

    McGee, David R.

    2002-12-02

    Commanders and their staff, when geographically dispersed, continue to choose what they find to be the most effective remote collaboration tools: email and radio messages. Even command and control systems that provide a unified view of the battlefield among remote collaborators are often supplanted by more traditional tools, such as a large paper map (McGee, Cohen & Wu, 2000). Indeed, today's computer interfaces often impose too high a barrier for the capture and delivery of situational assessment (McGee, Cohen, Wesson & Horman, 2002). To compensate, commanders traditionally meet face-to-face at least once daily to debrief each other on the outcome of the day's fight and to coordinate a strategy for the next day's engagement. Each of these meetings presents a risk to commanders, in addition to lost time during travel and various other concerns. Ongoing activity at higher echelons may consist of this activity continuously. At lower echelons, coordination is typically mediated by a radio or other messaging platform. Common to each of these scenarios, the coordination and collaboration is mediated by physical tools, e.g., an up-to-date common operational picture. Much of the promise of collaboration technology, from video-conferencing to realtime collaboration tools, is meant to alleviate the need for face-to-face meetings and improve moment-to-moment coordination. However, these tools fall woefully short of meeting the needs of commanders in the battlefield.

  13. Increasing the transformer ratio at the Argonne wakefield accelerator.

    SciTech Connect (OSTI)

    Power, J.G.; Conde, M.; Liu, W.; Yusof, Z.; Gai, W.; Jing, C.; Kanareykin, A. (High Energy Physics); (Euclid Techlabs, LLC)

    2011-01-01

    The transformer ratio is defined as the ratio of the maximum energy gain of the witness bunch to the maximum energy loss experienced by the drive bunch (or a bunch within a multidrive bunch train). This plays an important role in the collinear wakefield acceleration scheme. A high transformer ratio is desirable since it leads to a higher overall efficiency under similar conditions (e.g. the same beam loading, the same structure, etc.). One technique to enhance the transformer ratio beyond the ordinary limit of 2 is to use a ramped bunch train. The first experimental demonstration observed a transformer ratio only marginally above 2 due to the mismatch between the drive microbunch length and the frequency of the accelerating structure [C. Jing, A. Kanareykin, J. Power, M. Conde, Z. Yusof, P. Schoessow, and W. Gai, Phys. Rev. Lett. 98, 144801 (2007)]. Recently, we revisited this experiment with an optimized microbunch length using a UV laser stacking technique at the Argonne Wakefield Accelerator facility and measured a transformer ratio of 3.4. Measurements and data analysis from these experiments are presented in detail.

  14. Mutant E. coli strain with increased succinic acid production

    DOE Patents [OSTI]

    Donnelly, Mark (Warrenville, IL); Millard, Cynthia S. (Plainfield, IL); Stols, Lucy (Woodridge, IL)

    1998-01-01

    A method for isolating succinic acid producing bacteria is provided comprising increasing the biomass of an organism which lacks the ability to catabolize pyruvate, and then subjecting the biomass to glucose-rich medium in an anaerobic environment to enable pyruvate-catabolizing mutants to grow. The invention also provides for a mutant that produces high amounts of succinic acid, which as been derived from a parent which lacked the genes for pyruvate formate lyase and lactate dehydrogenase, and which belongs to the E.coli Group of Bacteria.

  15. Mutant E. coli strain with increased succinic acid production

    DOE Patents [OSTI]

    Donnelly, Mark; Millard, Cynthia S.; Stols, Lucy

    2001-09-25

    A method for isolating succinic acid producing bacteria is provided comprising increasing the biomass of an organism which lacks the ability to catabolize pyruvate, and then subjecting the biomass to glucose-rich medium in an anaerobic environment to enable pyruvate-catabolizing mutants to grow. The invention also provides for a mutant that produces high amounts of succinic acid, which has been derived from a parent which lacked the genes for pyruvate formate lyase and lactate dehydrogenase, and which belongs to the E.coli Group of Bacteria.

  16. Mutant E. coli strain with increased succinic acid production

    DOE Patents [OSTI]

    Donnelly, Mark (Warrenville, IL); Millard, Cynthia S. (Plainfield, IL); Stols, Lucy (Woodridge, IL)

    2002-01-01

    A method for isolating succinic acid producing bacteria is provided comprising increasing the biomass of an organism which lacks the ability to catabolize pyruvate, and then subjecting the biomass to glucose-rich medium in an anaerobic environment to enable pyruvate-catabolizing mutants to grow. The invention also provides for a mutant that produces high amounts of succinic acid, which has been derived from a parent which lacked the genes for pyruvate formate lyase and lactate dehydrogenase, and which belongs to the E.coli Group of Bacteria.

  17. PMT signal increase using a wavelength shifting paint

    E-Print Network [OSTI]

    K. Allada; Ch. Hurlbut; L. Ou; B. Schmookler; A. Shahinyan; B. Wojtsekhowski

    2015-02-06

    We report a 1.65 times increase of the PMT signal and a simple procedure of application of a new wavelength shifting (WLS) paint for PMTs with non-UV-transparent windows. Samples of four different WLS paints, made from hydrocarbon polymers and organic fluors, were tested on a 5-inch PMT (ET 9390KB) using Cherenkov radiation produced in fused silica disks by $^{106}$Ru electrons on a `table-top' setup. The best performing paint was employed on two different types of 5-inch PMTs (ET 9390KB and XP4572B), installed in atmospheric pressure CO$_2$ gas Cherenkov detectors, and tested using GeV electrons.

  18. Alabama Dry Natural Gas Reserves Revision Increases (Billion Cubic Feet)

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet)Decade Year-0ProvedDecade Year-0Cubic(Million CubicWorkingNew FieldIncreases

  19. Alaska Dry Natural Gas Reserves Revision Increases (Billion Cubic Feet)

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet)Decade Year-0ProvedDecade2,948 2,724 2,570 2,304 1,670Same0New FieldIncreases

  20. Colorado Dry Natural Gas Reserves Revision Increases (Billion Cubic Feet)

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet)Decade Year-0ProvedDecade2,948CaliforniaFeet)Extensions (BillionIncreases

  1. Florida Dry Natural Gas Reserves Revision Increases (Billion Cubic Feet)

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet)DecadeYear Jan Feb Mar Apr May Jun20032,485,331Gas2001Year JanNewIncreases

  2. Montana Dry Natural Gas Reserves Revision Increases (Billion Cubic Feet)

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet)DecadeYear Jan Feb Mar Apr 2012DecadeTotal19FuelYear5) Model37 64NewIncreases

  3. Wind Concurrent Cooling Could Increase Power Transmission Potential by as

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:Financing ToolInternationalReport FY2014 -Energy Costs by IncreasingWhole AlgaeServicesMuch as 40%

  4. Wind Development Found to Increase County-Level Personal Income |

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:Financing ToolInternationalReport FY2014 -Energy Costs by IncreasingWhole AlgaeServicesMuch as

  5. Increasing Solar Energy Awareness in El Paso | Department of Energy

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematicsEnergy HeadquartersFuelBConservation StandardsEnergy In Case You12/17/1998Increasing Solar

  6. Increased Lipid Accumulation and Carbohydrate Synthesis in Strains of

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverseIMPACT EVALUATION PLAN FOR THE SITE-218in a V2O5 BatteryIncreasedMicroalgae -

  7. Effect of Increased Natural Gas Exports on Domestic Energy Markets

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirley Ann JacksonDepartment ofOffice ofof EnergyPlants" NowDepartment ofEffect of Increased

  8. Oklahoma Dry Natural Gas Reserves Revision Increases (Billion Cubic Feet)

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home PageMonthly","10/2015"4,"Ames5 Tables July 1996 Energy Information Administration Office of Coal, Nuclear,DecadeYear JanNew FieldDecade Year-0Year Jan FebFeet)Increases

  9. Utah Dry Natural Gas Reserves Revision Increases (Billion Cubic Feet)

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home PageMonthly","10/2015"4,"Ames5 Tables July 1996 Energy Information Administration Office of Coal,Demand Module of theCubicEstimation Results forExtensions (BillionIncreases

  10. Chapter 5: Increasing Efficiency of Building Systems and Technologies

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirley Ann39.1_Acquisition_of_Information_Resources_0.pdfEnabling ModernizationDepartmentIncreasing

  11. Wyoming Dry Natural Gas Reserves Revision Increases (Billion Cubic Feet)

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming Dry Natural Gas Reserves Adjustments (Billion Cubic Feet)NewIncreases

  12. The Potential Impact of Increased Renewable Energy Penetrations on Electricity Bill Savings from Residential Photovoltaic Systems

    E-Print Network [OSTI]

    Barbose, Galen

    2013-01-01

    ABORATORY The Potential Impact of Increased Renewable Energyemployer. THE POTENTIAL IMPACT OF INCREASED RENEWABLE ENERGY

  13. Resource demand growth and sustainability due to increased world consumption

    SciTech Connect (OSTI)

    Balatsky, Alexander V.; Balatsky, Galina I.; Borysov, Stanislav S.

    2015-03-20

    The paper aims at continuing the discussion on sustainability and attempts to forecast the impossibility of the expanding consumption worldwide due to the planet’s limited resources. As the population of China, India and other developing countries continue to increase, they would also require more natural and financial resources to sustain their growth. We coarsely estimate the volumes of these resources (energy, food, freshwater) and the gross domestic product (GDP) that would need to be achieved to bring the population of India and China to the current levels of consumption in the United States. We also provide estimations for potentially needed immediate growth of the world resource consumption to meet this equality requirement. Given the tight historical correlation between GDP and energy consumption, the needed increase of GDP per capita in the developing world to the levels of the U.S. would deplete explored fossil fuel reserves in less than two decades. These estimates predict that the world economy would need to find a development model where growth would be achieved without heavy dependence on fossil fuels.

  14. Resource demand growth and sustainability due to increased world consumption

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

    Balatsky, Alexander V.; Balatsky, Galina I.; Borysov, Stanislav S.

    2015-03-20

    The paper aims at continuing the discussion on sustainability and attempts to forecast the impossibility of the expanding consumption worldwide due to the planet’s limited resources. As the population of China, India and other developing countries continue to increase, they would also require more natural and financial resources to sustain their growth. We coarsely estimate the volumes of these resources (energy, food, freshwater) and the gross domestic product (GDP) that would need to be achieved to bring the population of India and China to the current levels of consumption in the United States. We also provide estimations for potentially neededmore »immediate growth of the world resource consumption to meet this equality requirement. Given the tight historical correlation between GDP and energy consumption, the needed increase of GDP per capita in the developing world to the levels of the U.S. would deplete explored fossil fuel reserves in less than two decades. These estimates predict that the world economy would need to find a development model where growth would be achieved without heavy dependence on fossil fuels.« less

  15. Benefits and Costs of Brine Extraction for Increasing Injection Efficiency In geologic CO2 Sequestration

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

    Davidson, Casie L.; Watson, David J.; Dooley, James J.; Dahowski, Robert T.

    2014-12-31

    Pressure increases attendant with CO2 injection into the subsurface drive many of the risk factors associated with commercial-scale CCS projects, impacting project costs and liabilities in a number of ways. The area of elevated pressure defines the area that must be characterized and monitored; pressure drives fluid flow out of the storage reservoir along higher-permeability pathways that might exist through the caprock into overlying aquifers or hydrocarbon reservoirs; and pressure drives geomechanical changes that could potentially impact subsurface infrastructure or the integrity of the storage system itself. Pressure also limits injectivity, which can increase capital costs associated with installing additionalmore »wells to meet a given target injection rate. The ability to mitigate pressure increases in storage reservoirs could have significant value to a CCS project, but these benefits are offset by the costs of the pressure mitigation technique itself. Of particular interest for CO2 storage operators is the lifetime cost of implementing brine extraction at a CCS project site, and the relative value of benefits derived from the extraction process. This is expected to vary from site to site and from one implementation scenario to the next. Indeed, quantifying benefits against costs could allow operators to optimize their return on project investment by calculating the most effective scenario for pressure mitigation. This work builds on research recently submitted for publication by the authors examining the costs and benefits of brine extraction across operational scenarios to evaluate the effects of fluid extraction on injection rate to assess the cost effectiveness of several options for reducing the number of injection wells required. Modeling suggests that extracting at 90% of the volumetric equivalent of injection rate resulted in a 1.8% improvement in rate over a non-extraction base case; a four-fold increase in extraction rate results in a 7.6% increase in injection rate over the no-extraction base case. However, the practical impacts on capital costs suggest that this strategy is fiscally ineffective when evaluated solely on this metric, with extraction reducing injection well needs by only one per 56 (1x case) or one per 13 (4x case).« less

  16. Benefits and Costs of Brine Extraction for Increasing Injection Efficiency In geologic CO2 Sequestration

    SciTech Connect (OSTI)

    Davidson, Casie L.; Watson, David J.; Dooley, James J.; Dahowski, Robert T.

    2014-12-31

    Pressure increases attendant with CO2 injection into the subsurface drive many of the risk factors associated with commercial-scale CCS projects, impacting project costs and liabilities in a number of ways. The area of elevated pressure defines the area that must be characterized and monitored; pressure drives fluid flow out of the storage reservoir along higher-permeability pathways that might exist through the caprock into overlying aquifers or hydrocarbon reservoirs; and pressure drives geomechanical changes that could potentially impact subsurface infrastructure or the integrity of the storage system itself. Pressure also limits injectivity, which can increase capital costs associated with installing additional wells to meet a given target injection rate. The ability to mitigate pressure increases in storage reservoirs could have significant value to a CCS project, but these benefits are offset by the costs of the pressure mitigation technique itself. Of particular interest for CO2 storage operators is the lifetime cost of implementing brine extraction at a CCS project site, and the relative value of benefits derived from the extraction process. This is expected to vary from site to site and from one implementation scenario to the next. Indeed, quantifying benefits against costs could allow operators to optimize their return on project investment by calculating the most effective scenario for pressure mitigation. This work builds on research recently submitted for publication by the authors examining the costs and benefits of brine extraction across operational scenarios to evaluate the effects of fluid extraction on injection rate to assess the cost effectiveness of several options for reducing the number of injection wells required. Modeling suggests that extracting at 90% of the volumetric equivalent of injection rate resulted in a 1.8% improvement in rate over a non-extraction base case; a four-fold increase in extraction rate results in a 7.6% increase in injection rate over the no-extraction base case. However, the practical impacts on capital costs suggest that this strategy is fiscally ineffective when evaluated solely on this metric, with extraction reducing injection well needs by only one per 56 (1x case) or one per 13 (4x case).

  17. Benefits and costs of brine extraction for increasing injection efficiency in geologic CO2 sequestration

    SciTech Connect (OSTI)

    Davidson, Casie L.; Watson, David J.; Dooley, James J.; Dahowski, Robert T.

    2014-01-01

    Pressure increases attendant with CO2 injection into the subsurface drive many of the risk factors associated with commercial-scale CCS projects, impacting project costs and liabilities in a number of ways. The area of elevated pressure defines the area that must be characterized and monitored; pressure drives fluid flow out of the storage reservoir along higher-permeability pathways that might exist through the caprock into overlying aquifers or hydrocarbon reservoirs; and pressure drives geomechanical changes that could potentially impact subsurface infrastructure or the integrity of the storage system itself. Pressure also limits injectivity, which can increase capital costs associated with installing additional wells to meet a given target injection rate. The ability to mitigate pressure increases in storage reservoirs could have significant value to a CCS project, but these benefits are offset by the costs of the pressure mitigation technique itself. Of particular interest for CO2 storage operators is the lifetime cost of implementing brine extraction at a CCS project site, and the relative value of benefits derived from the extraction process. This is expected to vary from site to site and from one implementation scenario to the next. Indeed, quantifying benefits against costs could allow operators to optimize their return on project investment by calculating the most effective scenario for pressure mitigation. This work builds on research recently submitted for publication by the authors examining the costs and benefits of brine extraction across operational scenarios to evaluate the effects of fluid extraction on injection rate to assess the cost effectiveness of several options for reducing the number of injection wells required. Modeling suggests that extracting at 90% of the volumetric equivalent of injection rate resulted in a 1.8% improvement in rate over a non-extraction base case; a four-fold increase in extraction rate results in a 7.6% increase in injection rate over the no-extraction base case. However, the practical impacts on capital costs suggest that this strategy is fiscally ineffective when evaluated solely on this metric, with extraction reducing injection well needs by only one per 56 (1x case) or one per 13 (4x case).

  18. Higher spin gravity in 3D: black holes, global charges and thermodynamics

    E-Print Network [OSTI]

    Alfredo Perez; David Tempo; Ricardo Troncoso

    2013-09-05

    Global charges and thermodynamic properties of three-dimensional higher spin black holes that have been recently found in the literature are revisited. Since these solutions possess a relaxed asymptotically AdS behavior, following the canonical approach, it is shown that the global charges, and in particular the mass, acquire explicit nontrivial contributions given by nonlinear terms in the deviations with respect to the reference background. It is also found that there are cases for which the first law of thermodynamics is fulfilled in the canonical ensemble, i.e., without work terms associated to the presence of higher spin fields, and remarkably, the semiclassical higher spin black hole entropy is exactly reproduced from Cardy formula.

  19. Prenatal ethanol exposure programs an increased susceptibility of non-alcoholic fatty liver disease in female adult offspring rats

    SciTech Connect (OSTI)

    Shen, Lang; Liu, Zhongfen; Gong, Jun; Zhang, Li; Wang, Linlong; Magdalou, Jacques; Chen, Liaobin; Wang, Hui

    2014-01-15

    Prenatal ethanol exposure (PEE) induces dyslipidemia and hyperglycemia in fetus and adult offspring. However, whether PEE increases the susceptibility to non-alcoholic fatty liver disease (NAFLD) in offspring and its underlying mechanism remain unknown. This study aimed to demonstrate an increased susceptibility to high-fat diet (HFD)-induced NAFLD and its intrauterine programming mechanisms in female rat offspring with PEE. Rat model of intrauterine growth retardation (IUGR) was established by PEE, the female fetus and adult offspring that fed normal diet (ND) or HFD were sacrificed. The results showed that, in PEE + ND group, serum corticosterone (CORT) slightly decreased and insulin-like growth factor-1 (IGF-1) and glucose increased with partial catch-up growth; In PEE + HFD group, serum CORT decreased, while serum IGF-1, glucose and triglyceride (TG) increased, with notable catch-up growth, higher metabolic status and NAFLD formation. Enhanced liver expression of the IGF-1 pathway, gluconeogenesis, and lipid synthesis as well as reduced expression of lipid output were accompanied in PEE + HFD group. In PEE fetus, serum CORT increased while IGF-1 decreased, with low body weight, hyperglycemia, and hepatocyte ultrastructural changes. Hepatic IGF-1 expression as well as lipid output was down-regulated, while lipid synthesis significantly increased. Based on these findings, we propose a “two-programming” hypothesis for an increased susceptibility to HFD-induced NAFLD in female offspring of PEE. That is, the intrauterine programming of liver glucose and lipid metabolic function is “the first programming”, and postnatal adaptive catch-up growth triggered by intrauterine programming of GC-IGF1 axis acts as “the second programming”. - Highlights: • Prenatal ethanol exposure increase the susceptibility of NAFLD in female offspring. • Prenatal ethanol exposure reprograms fetal liver’s glucose and lipid metabolism . • Prenatal ethanol exposure cause the adaptive change of glucocorticoid-IGF1 axis.

  20. Construction of classical superintegrable systems with higher order integrals of motion from ladder operators

    E-Print Network [OSTI]

    Ian Marquette

    2010-04-26

    We construct integrals of motion for multidimensional classical systems from ladder operators of one-dimensional systems. This method can be used to obtain new systems with higher order integrals. We show how these integrals generate a polynomial Poisson algebra. We consider a one-dimensional system with third order ladders operators and found a family of superintegrable systems with higher order integrals of motion. We obtain also the polynomial algebra generated by these integrals. We calculate numerically the trajectories and show that all bounded trajectories are closed.

  1. Hamilton-Jacobi Approach for First Order Actions and Theories with Higher Derivatives

    E-Print Network [OSTI]

    M. C. Bertin; B. M. Pimentel; P. J. Pompeia

    2007-01-29

    In this work we analyze systems described by Lagrangians with higher order derivatives in the context of the Hamilton-Jacobi formalism for first order actions. Two different approaches are studied here: the first one is analogous to the description of theories with higher derivatives in the hamiltonian formalism according to [Sov. Phys. Journ. 26 (1983) 730; the second treats the case where degenerate coordinate are present, in an analogy to reference [Nucl. Phys. B 630 (2002) 509]. Several examples are analyzed where a comparison between both approaches is made.

  2. A comparative study of Dirac quasinormal modes of charged black holes in higher dimensions

    E-Print Network [OSTI]

    Sayan K. Chakrabarti

    2009-03-26

    In this work we study the Dirac quasinormal modes of higher dimensional charged black holes. Higher dimensional Reissner-N\\"{o}rdstrom type black holes as well as charged black holes in Einstein Gauss-Bonnet theories are studied for Fermionic perturbations using WKB method. A comparative study of the quasinormal modes in the two different theories of gravity has been performed. The beahviour of the frequencies with the variation of black hole parameters as well as with the variation of spacetime dimensions are done. We also study the large multipole number limit of the black hole potential in order to look for an analytic expression for the frequencies.

  3. Radiotherapy for Rectal Cancer Is Associated With Reduced Serum Testosterone and Increased FSH and LH

    SciTech Connect (OSTI)

    Bruheim, Kjersti [Cancer Center, Ullevaal University Hospital, Oslo (Norway)], E-mail: Kjersti.Bruheim@medisin.uio.no; Svartberg, Johan [Institute of Clinical Medicine, University of Tromso, Tromso (Norway); Department of Medicine, University Hospital of North Norway, Tromso (Norway); Carlsen, Erik [Department of Gastrointestinal Surgery, Ullevaal University Hospital, Oslo (Norway); Dueland, Svein [Department of Oncology, Norwegian Radium Hospital, Oslo (Norway); Haug, Egil [Hormone Laboratory, Aker University Hospital, Oslo (Norway); Skovlund, Eva [School of Pharmacy, University of Oslo, Oslo (Norway); Tveit, Kjell Magne; Guren, Marianne G. [Cancer Center, Ullevaal University Hospital, Oslo (Norway)

    2008-03-01

    Purpose: It is known that scattered radiation to the testes during pelvic radiotherapy can affect fertility, but there is little knowledge on its effects on male sex hormones. The aim of this study was to determine whether radiotherapy for rectal cancer affects testosterone production. Methods and Materials: All male patients who had received adjuvant radiotherapy for rectal cancer from 1993 to 2003 were identified from the Norwegian Rectal Cancer Registry. Patients treated with surgery alone were randomly selected from the same registry as control subjects. Serum levels of follicle stimulating hormone (FSH), luteinizing hormone (LH), testosterone, and sex hormone binding globulin (SHBG) were analyzed, and free testosterone was calculated (N = 290). Information about the radiotherapy treatment was collected from the patient hospital charts. Results: Serum FSH was 3 times higher in the radiotherapy group than in the control group (median, 18.8 vs. 6.3 IU/L, p <0.001), and serum LH was 1.7 times higher (median, 7.5 vs. 4.5 IU/l, p <0.001). In the radiotherapy group, 27% of patients had testosterone levels below the reference range (8-35 nmol/L), compared with 10% of the nonirradiated patients (p <0.001). Irradiated patients had lower serum testosterone (mean, 11.1 vs. 13.4 nmol/L, p <0.001) and lower calculated free testosterone (mean, 214 vs. 235 pmol/L, p <0.05) than control subjects. Total testosterone, calculated free testosterone, and gonadotropins were related to the distance from the bony pelvic structures to the caudal field edge. Conclusions: Increased serum levels of gonadotropins and subnormal serum levels of testosterone indicate that curative radiotherapy for rectal cancer can result in permanent testicular dysfunction.

  4. Industrial Assessment Centers - Small Manufacturers Reduce Energy & Increase Productivity

    SciTech Connect (OSTI)

    2015-11-06

    Since 1976, the Industrial Assessment Centers (IACs), administered by the US Department of Energy, have supported small and medium-sized American manufacturers to reduce energy use and increase their productivity and competitiveness. The 24 IACs, located at premier engineering universities around the country (see below), send faculty and engineering students to local small and medium-sized manufacturers to provide no-cost assessments of energy use, process performance and waste and water flows. Under the direction of experienced professors, IAC engineering students analyze the manufacturer’s facilities, energy bills and energy, waste and water systems, including compressed air, motors/pumps, lighting, process heat and steam. The IACs then follow up with written energy-saving and productivity improvement recommendations, with estimates of related costs and payback periods.

  5. LNG imports make strong recovery in 1996; exports increase also

    SciTech Connect (OSTI)

    Swain, E.J.

    1998-01-19

    LNG imports to the US jumped in 1996 as Algerian base-load plants resumed operations following major revamps. Exports from Alaska to Japan grew by nearly 4% over 1995. Total LNG imports to the US in 1996 were 40.27 bcf compared to 17.92 bcf in 1995, an increase of 124.8%. Algeria supplied 35.32 bcf; Abu Dhabi, 4.95 bcf. About 82.3% of the imported LNG was received at Distrigas Corp.`s terminal north of Boston. The remaining LNG was received at the Pan National terminal in Lake Charles, LA. LNG imports during 1995 fell to such a low level not because of depressed US demand but because of limited supply. The paper discusses LNG-receiving terminals, base-load producers, LNG pricing, and exports.

  6. Can Holographic dark energy increase the mass of the wormhole?

    E-Print Network [OSTI]

    Surajit Chattopadhyay; Davood Momeni; Aziza Altaibayeva; Ratbay Myrzakulov

    2014-11-26

    In this work, we have studied accretion of dark energy (DE) onto Morris- Thorne wormhole with three different forms, namely, holographic dark energy, holographic Ricci dark energy and modified holographic Ricci dark energy . Considering the scale factor in power-law form we have observed that as the holographic dark energy accretes onto wormhole, the mass of the wormhole is decreasing. In the next phase we considered three parameterization schemes that are able to get hold of quintessence as well as phantom phases. Without any choice of scale factor we reconstructed Hubble parameter from conservation equation and dark energy densities and subsequently got the mass of the wormhole separately for accretion of the three dark energy candidates. It was observed that if these dark energies accrete onto the wormhole, then for quintessence stage, wormhole mass decreases up to a certain finite value and then again increases to aggressively during phantom phase of the universe.

  7. Methods of increasing secretion of polypeptides having biological activity

    DOE Patents [OSTI]

    Merino, Sandra

    2015-04-14

    The present invention relates to methods for producing a secreted polypeptide having biological activity, comprising: (a) transforming a fungal host cell with a fusion protein construct encoding a fusion protein, which comprises: (i) a first polynucleotide encoding a signal peptide; (ii) a second polynucleotide encoding at least a catalytic domain of an endoglucanase or a portion thereof; and (iii) a third polynucleotide encoding at least a catalytic domain of a polypeptide having biological activity; wherein the signal peptide and at least the catalytic domain of the endoglucanase increases secretion of the polypeptide having biological activity compared to the absence of at least the catalytic domain of the endoglucanase; (b) cultivating the transformed fungal host cell under conditions suitable for production of the fusion protein; and (c) recovering the fusion protein, a component thereof, or a combination thereof, having biological activity, from the cultivation medium.

  8. Methods of increasing secretion of polypeptides having biological activity

    DOE Patents [OSTI]

    Merino, Sandra

    2014-10-28

    The present invention relates to methods for producing a secreted polypeptide having biological activity, comprising: (a) transforming a fungal host cell with a fusion protein construct encoding a fusion protein, which comprises: (i) a first polynucleotide encoding a signal peptide; (ii) a second polynucleotide encoding at least a catalytic domain of an endoglucanase or a portion thereof; and (iii) a third polynucleotide encoding at least a catalytic domain of a polypeptide having biological activity; wherein the signal peptide and at least the catalytic domain of the endoglucanase increases secretion of the polypeptide having biological activity compared to the absence of at least the catalytic domain of the endoglucanase; (b) cultivating the transformed fungal host cell under conditions suitable for production of the fusion protein; and (c) recovering the fusion protein, a component thereof, or a combination thereof, having biological activity, from the cultivation medium.

  9. 360 Degree Photography to Decrease Exposure, Increase Safety & Minimize Waste

    SciTech Connect (OSTI)

    LEBARON, G.J.

    2002-01-31

    High-resolution digital cameras, in conjunction with software techniques. make possible 360{sup o} photos that allow a person to look all around, up and dawn, and zoom in or out. The software provides the opportunity to attach other information to a 360{sup o} photo such as sound tiles, flat photos (providing additional detail about what is behind a panel or around a corner) and text (Information which can be used to show radiological conditions or identify other hazards not readily visible). The software also allows other 360{sup o} photos to be attached creating a virtual tour where the user can move from area to area, and stop, study and zoom in on areas of interest. A virtual tour of a building or room can be used for facility documentation, informing management and others, work planning and orientation, and training, thus minimizing the need to re-enter hazardous radioactive areas. Reducing entries decreases exposure, increases safety and minimizes waste.

  10. Methods for increasing the production of ethanol from microbial fermentation

    DOE Patents [OSTI]

    Gaddy, James L. (Fayetteville, AR); Arora, Dinesh K. (Fayetteville, AR); Ko, Ching-Whan (Fayetteville, AR); Phillips, John Randall (Fayetteville, AR); Basu, Rahul (Bethlehem, PA); Wikstrom, Carl V. (Fayetteville, AR); Clausen, Edgar C. (Fayetteville, AR)

    2007-10-23

    A stable continuous method for producing ethanol from the anaerobic bacterial fermentation of a gaseous substrate containing at least one reducing gas involves culturing a fermentation bioreactor anaerobic, acetogenic bacteria in a liquid nutrient medium; supplying the gaseous substrate to the bioreactor; and manipulating the bacteria in the bioreactor by reducing the redox potential, or increasing the NAD(P)H TO NAD(P) ratio, in the fermentation broth after the bacteria achieves a steady state and stable cell concentration in the bioreactor. The free acetic acid concentration in the bioreactor is maintained at less than 5 g/L free acid. This method allows ethanol to be produced in the fermentation broth in the bioreactor at a productivity greater than 10 g/L per day. Both ethanol and acetate are produced in a ratio of ethanol to acetate ranging from 1:1 to 20:1.

  11. The rate of entropy increase at the edge of chaos

    E-Print Network [OSTI]

    V. Latora; M. Baranger; A. Rapisarda; C. Tsallis

    2000-07-07

    Under certain conditions, the rate of increase of the statistical entropy of a simple, fully chaotic, conservative system is known to be given by a single number, characteristic of this system, the Kolmogorov-Sinai entropy rate. This connection is here generalized to a simple dissipative system, the logistic map, and especially to the chaos threshold of the latter, the edge of chaos. It is found that, in the edge-of-chaos case, the usual Boltzmann-Gibbs-Shannon entropy is not appropriate. Instead, the non-extensive entropy $S_q\\equiv \\frac{1-\\sum_{i=1}^W p_i^q}{q-1}$, must be used. The latter contains a parameter q, the entropic index which must be given a special value $q^*\

  12. Methods of increasing secretion of polypeptides having biological activity

    DOE Patents [OSTI]

    Merino, Sandra

    2013-10-01

    The present invention relates to methods for producing a secreted polypeptide having biological activity, comprising: (a) transforming a fungal host cell with a fusion protein construct encoding a fusion protein, which comprises: (i) a first polynucleotide encoding a signal peptide; (ii) a second polynucleotide encoding at least a catalytic domain of an endoglucanase or a portion thereof; and (iii) a third polynucleotide encoding at least a catalytic domain of a polypeptide having biological activity; wherein the signal peptide and at least the catalytic domain of the endoglucanase increases secretion of the polypeptide having biological activity compared to the absence of at least the catalytic domain of the endoglucanase; (b) cultivating the transformed fungal host cell under conditions suitable for production of the fusion protein; and (c) recovering the fusion protein, a component thereof, or a combination thereof, having biological activity, from the cultivation medium.

  13. Methods of increasing secretion of polypeptides having biological activity

    DOE Patents [OSTI]

    Merino, Sandra

    2014-05-27

    The present invention relates to methods for producing a secreted polypeptide having biological activity, comprising: (a) transforming a fungal host cell with a fusion protein construct encoding a fusion protein, which comprises: (i) a first polynucleotide encoding a signal peptide; (ii) a second polynucleotide encoding at least a catalytic domain of an endoglucanase or a portion thereof; and (iii) a third polynucleotide encoding at least a catalytic domain of a polypeptide having biological activity; wherein the signal peptide and at least the catalytic domain of the endoglucanase increases secretion of the polypeptide having biological activity compared to the absence of at least the catalytic domain of the endoglucanase; (b) cultivating the transformed fungal host cell under conditions suitable for production of the fusion protein; and (c) recovering the fusion protein, a component thereof, or a combination thereof, having biological activity, from the cultivation medium.

  14. Temperature-associated increases in the global soil respiration record

    SciTech Connect (OSTI)

    Bond-Lamberty, Benjamin; Thomson, Allison M.

    2010-03-25

    Soil respiration (RS), the flux of CO2 from the soil surface to the atmosphere, comprises the second-largest terrestrial carbon flux, but its dynamics are incompletely understood, and the global flux remains poorly constrained. Ecosystem warming experiments, modelling analyses, and biokinetics all suggest that RS should change with climate. This has been difficult to confirm observationally because of the high spatial variability of RS, inaccessibility of the soil medium, and inability of remote sensing instruments to measure large-scale RS fluxes. Given these constraints, is it possible to discern climate-driven changes in regional or global RS fluxes in the extant four-decade record of RS chamber measurements? Here we use a database of worldwide RS observations, matched with high-resolution historical climate data, to show a previously unknown temporal trend in the RS record after accounting for mean annual climate, leaf area, nitrogen deposition, and changes in CO2 measurement technique. Air temperature anomaly (deviation from the 1961-1990 mean) is significantly and positively correlated with changes in RS fluxes; both temperature and precipitation anomalies exert effects in specific biomes. We estimate that the current (2008) annual global RS flux is 98±12 Pg and has increased 0.1 Pg yr-1 over the last 20 years, implying a global RS temperature response (Q10) of 1.5. An increasing global RS flux does not necessarily constitute a positive feedback loop to the atmosphere; nonetheless, the available data are consistent with an acceleration of the terrestrial carbon cycle in response to global climate change.

  15. Carbon monoxide inhalation increases microparticles causing vascular and CNS dysfunction

    SciTech Connect (OSTI)

    Xu, Jiajun; Yang, Ming; Kosterin, Paul; Salzberg, Brian M.; Milovanova, Tatyana N.; Bhopale, Veena M.; Thom, Stephen R.

    2013-12-01

    We hypothesized that circulating microparticles (MPs) play a role in pro-inflammatory effects associated with carbon monoxide (CO) inhalation. Mice exposed for 1 h to 100 ppm CO or more exhibit increases in circulating MPs derived from a variety of vascular cells as well as neutrophil activation. Tissue injury was quantified as 2000 kDa dextran leakage from vessels and as neutrophil sequestration in the brain and skeletal muscle; and central nervous system nerve dysfunction was documented as broadening of the neurohypophysial action potential (AP). Indices of injury occurred following exposures to 1000 ppm for 1 h or to 1000 ppm for 40 min followed by 3000 ppm for 20 min. MPs were implicated in causing injuries because infusing the surfactant MP lytic agent, polyethylene glycol telomere B (PEGtB) abrogated elevations in MPs, vascular leak, neutrophil sequestration and AP prolongation. These manifestations of tissue injury also did not occur in mice lacking myeloperoxidase. Vascular leakage and AP prolongation were produced in naïve mice infused with MPs that had been obtained from CO poisoned mice, but this did not occur with MPs obtained from control mice. We conclude that CO poisoning triggers elevations of MPs that activate neutrophils which subsequently cause tissue injuries. - Highlights: • Circulating microparticles (MPs) increase in mice exposed to 100 ppm CO or more. • MPs are lysed by infusing the surfactant polyethylene glycol telomere B. • CO-induced MPs cause neutrophil activation, vascular leak and CNS dysfunction. • Similar tissue injuries do not arise with MPs obtained from air-exposed, control mice.

  16. Genetically Enhanced Sorghum and Sugarcane: Engineering Hydrocarbon Biosynthesis and Storage together with Increased Photosynthetic Efficiency into the Saccharinae

    SciTech Connect (OSTI)

    2012-02-15

    PETRO Project: UIUC is working to convert sugarcane and sorghum—already 2 of the most productive crops in the world—into dedicated bio-oil crop systems. Three components will be engineered to produce new crops that have a 50% higher yield, produce easily extractable oils, and have a wider growing range across the U.S. This will be achieved by modifying the crop canopy to better distribute sunlight and increase its cold tolerance. By directly producing oil in the shoots of these plants, these biofuels could be easily extracted with the conventional crushing techniques used today to extract sugar.

  17. Nonalcoholic steatohepatitic (NASH) mice are protected from higher hepatotoxicity of acetaminophen upon induction of PPAR{alpha} with clofibrate

    SciTech Connect (OSTI)

    Donthamsetty, Shashikiran; Bhave, Vishakha S.; Mitra, Mayurranjan S. [Department of Toxicology, College of Pharmacy, University of Louisiana at Monroe, LA (United States); Latendresse, John R. [Toxicologic Pathology Associates, National Centre for Toxicological Research, Jefferson, AR (United States); Mehendale, Harihara M. [Department of Toxicology, College of Pharmacy, University of Louisiana at Monroe, LA (United States)], E-mail: mehendale@ulm.edu

    2008-08-01

    The objective was to investigate if the hepatotoxic sensitivity in nonalcoholic steatohepatitic mice to acetaminophen (APAP) is due to downregulation of nuclear receptor PPAR{alpha} via lower cell division and tissue repair. Male Swiss Webster mice fed methionine and choline deficient diet for 31 days exhibited NASH. On the 32nd day, a marginally toxic dose of APAP (360 mg/kg, ip) yielded 70% mortality in steatohepatitic mice, while all non steatohepatitic mice receiving the same dose survived. {sup 14}C-APAP covalent binding, CYP2E1 protein, and enzyme activity did not differ from the controls, obviating increased APAP bioactivation as the cause of amplified APAP hepatotoxicity. Liver injury progressed only in steatohepatitic livers between 6 and 24 h. Cell division and tissue repair assessed by {sup 3}H-thymidine incorporation and PCNA were inhibited only in the steatohepatitic mice given APAP suggesting that higher sensitivity of NASH liver to APAP-induced hepatotoxicity was due to lower tissue repair. The hypothesis that impeded liver tissue repair in steatohepatitic mice was due to downregulation of PPAR{alpha} was tested. PPAR{alpha} was downregulated in NASH. To investigate whether downregulation of PPAR{alpha} in NASH is the critical mechanism of compromised liver tissue repair, PPAR{alpha} was induced in steatohepatitic mice with clofibrate (250 mg/kg for 3 days, ip) before injecting APAP. All clofibrate pretreated steatohepatitic mice receiving APAP exhibited lower liver injury, which did not progress and the mice survived. The protection was not due to lower bioactivation of APAP but due to higher liver tissue repair. These findings suggest that inadequate PPAR{alpha} expression in steatohepatitic mice sensitizes them to APAP hepatotoxicity.

  18. Placing Recruitment Advertisements with Inside Higher Ed When you have a job to fill you want three things: a great candidate from a diverse pool at an affordable price. Inside Higher Ed

    E-Print Network [OSTI]

    Stuart, Steven J.

    three things: a great candidate from a diverse pool at an affordable price. Inside Higher Ed delivers

  19. T-duality trivializes bulk-boundary correspondence: some higher dimensional cases

    E-Print Network [OSTI]

    Varghese Mathai; Guo Chuan Thiang

    2015-11-14

    Recently we introduced T-duality in the study of topological insulators, and used it to show that T-duality trivialises the bulk-boundary correspondence in 2 dimensions. In this paper, we partially generalise these results to higher dimensions and briefly discuss the 4D quantum Hall effect.

  20. Randomized Path Planning on Manifolds based on Higher-Dimensional Continuation

    E-Print Network [OSTI]

    Porta, Josep M.

    Abstract Despite the significant advances in path planning methods, highly constrained problems are still constrained systems. The proposed planner builds on recently developed tools for higher is not cen- tered in, and tightly enveloped by the ambient space box, the sampling process is biased