Sample records for unknown notes geochemical

  1. HBH-GEOCHEM-GEOPHY

    Energy Science and Technology Software Center (OSTI)

    003015WKSTN00 Hiereachical Bayesian Model for Combining Geochemical and Geophysical Data for Environmental Applications Software   

  2. The SKA and the Unknown Unknowns

    E-Print Network [OSTI]

    Wilkinson, Peter

    2015-01-01T23:59:59.000Z

    As new scientists and engineers join the SKA project and as the pressures come on to maintain costs within a chosen envelope it is worth restating and updating the rationale for the 'Exploration of the Unknown' (EoU). Maintaining an EoU philosophy will prove a vital ingredient for realizing the SKA's discovery potential. Since people make the discoveries enabled by technology a further axis in capability parameter space, the'human bandwidth' is emphasised. Using the morphological approach pioneered by Zwicky, a currently unexploited region of observational parameter space can be identified viz: time variable spectral patterns on all spectral and angular scales, one interesting example would be 'spectral transients'. We should be prepared to build up to 10 percent less collecting area for a given overall budget in order to enhance the ways in which SKA1 can be flexibly utilized.

  3. Novel Coupled Thermochronometric and Geochemical Investigation...

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

    Coupled Thermochronometric and Geochemical Investigation of Blind Geothermal Resources in Fault-Controlled Dilational Corners Novel Coupled Thermochronometric and Geochemical...

  4. Characterizing Microbial Community and Geochemical Dynamics at...

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

    Microbial Community and Geochemical Dynamics at Hydrothermal Vents Using Osmotically Driven Continuous Fluid Characterizing Microbial Community and Geochemical Dynamics at...

  5. Unknown: Multifocal scalp hair loss

    E-Print Network [OSTI]

    Shamsadini, Sadollah; Esfandiarpoor, Iraj; Zeinali, Hamid; Kalantari, Behjat; Ebrahimi, Hoseiali

    2006-01-01T23:59:59.000Z

    Unknown: Multifocal scalp hair loss Sadllah Shamsadini 1 ,four patches of scalp hair loss. What is your diagnosis?

  6. WINTERTemplate Geochemical mechanisms of

    E-Print Network [OSTI]

    Borissova, Daniela

    WINTERTemplate 01 Geochemical mechanisms of carbonate equilibria in the system CO2 -H2O-CaCO3 #12 dissolved in soil · Dissolution of CaCO3 · Precipitation of CaCO3 · Physicochemical precipitation (prevention of the CO2 outgassing) #12;07Dissolution of CaCO3 H2CO3 HCO3 - CO3 2- H+ CO3 2- + H+ HCO3 - HCO3

  7. UNKNOWN

    Office of Legacy Management (LM)

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOn AprilA group currentBradleyTableSelling7 AugustAFRICAN3uj: ;;IDEC. i'

  8. UNKNOWN

    Office of Legacy Management (LM)

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOn AprilA group currentBradleyTableSelling7 AugustAFRICAN3uj: ;;IDEC. i'Journal of

  9. UNKNOWN

    Office of Legacy Management (LM)

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOn AprilA group currentBradleyTableSelling7 AugustAFRICAN3uj: ;;IDEC. i'Journal ofDOI:

  10. Unknown

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What'sis Taking Over OurThe Iron SpinPrinceton Plasma Physics LabUniversityOfficeScientific and

  11. Unknown

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What'sis Taking Over OurThe Iron SpinPrinceton Plasma Physics LabUniversityOfficeScientific

  12. Unknown

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What'sis Taking Over OurThe Iron SpinPrinceton Plasma Physics LabUniversityOfficeScientific* Sandia

  13. Unknown

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What'sis Taking Over OurThe Iron SpinPrinceton Plasma Physics LabUniversityOfficeScientific*

  14. Unknown

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What'sis Taking Over OurThe Iron SpinPrinceton Plasma Physics

  15. Geochemical aspects of Michigan waterfloods

    SciTech Connect (OSTI)

    Tinker, G.E.; Barnes, P.F.; Olson, E.E.

    1983-10-01T23:59:59.000Z

    Waterflooding started in the carbonate oil reservoirs of the Northern Michigan Niagaran reef trend in 1978 with Shell's Chester 18 waterflood. Ten projects had been installed by the end of 1982 so that significant operational results are available for evaluation. The design and operating programs initially planned for the projects have been proven successful. Operating data from some of the more mature projects indicate that the understanding and proper management of the geochemical systems for these projects will be crucial to the success of the project. The intent of this paper is to present what is currently known and understood about the geochemistry of Michigan waterfloods. The geochemical system is here defined as all the various interconnected fluid environments constituting the project, namely the fresh water source system, the injection well system, the reservoir, the production wells, the production facilities, and the produced water disposal or reinjection facilities. Problem areas have been identified and corrective action has been taken or planned to counteract the detrimental effects of disruptions to the geochemical system. These upsets are brought about by injection of water into the reservoir where an equilibrium condition had existed between the formation fluids and the rock.

  16. Merging high resolution geophysical and geochemical surveys to...

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

    high resolution geophysical and geochemical surveys to reduce exploration risk at Glass Buttes, Oregon Merging high resolution geophysical and geochemical surveys to reduce...

  17. Proceedings of the workshop on geochemical modeling

    SciTech Connect (OSTI)

    Not Available

    1986-01-01T23:59:59.000Z

    The following collection of papers was presented at a workshop on geochemical modeling that was sponsored by the Office of Civilian Radioactive Waste Management Program at the Lawrence Livermore National Laboratory (LLNL). The LLNL Waste Management Program sponsored this conference based on their belief that geochemical modeling is particularly important to the radioactive waste disposal project because of the need to predict the consequences of long-term water-rock interactions at the proposed repository site. The papers included in this volume represent a subset of the papers presented at the Fallen Leaf Lake Conference and cover a broad spectrum of detail and breadth in a subject that reflects the diverse research interests of the conference participants. These papers provide an insightful look into the current status of geochemical modeling and illustrate how various geochemical modeling codes have been applied to problems of geochemical interest. The emphasis of these papers includes traditional geochemical modeling studies of individual geochemical systems, the mathematical and theoretical development and refinement of new modeling capabilities, and enhancements of data bases on which the computations are based. The papers in this proceedings volume have been organized into the following four areas: Geochemical Model Development, Hydrothermal and Geothermal Systems, Sedimentary and Low Temperature Environments, and Data Base Development. The participants of this symposium and a complete list of the talks presented are listed in the appendices.

  18. Geochemical aspects of Michigan waterfloods

    SciTech Connect (OSTI)

    Tinker, G.E.; Barnes, P.F.; Olson, E.E.; Wright, M.P.

    1983-01-01T23:59:59.000Z

    Waterflooding started in the carbonate oil reservoirs of the N. Michigan Niagaran reef trend in 1978 with Shell's Chester 18 waterflood. Ten projects had been installed by the end of 1982 so that significant operational results are available for evaluation. This study presents what is currently known and understood about the geochemistry of Michigan waterfloods. Project monitoring procedures, established to control and optimize waterflood operations, have made it possible to develop the proper approach to the geochemical disruptions. The more important items in this program are the measurement of produced and injected volumes, transient pressure analyses, injection well profile surveys, chemical analysis of the injection and production fluid samples, radioactive injection tracers, and continuous bottom-hole pressures from submersible pumps. 15 references.

  19. Blue Note

    ScienceCinema (OSTI)

    Murray Gibson

    2010-01-08T23:59:59.000Z

    Argonne's Murray Gibson is a physicist whose life's work includes finding patterns among atoms. The love of distinguishing patterns also drives Gibson as a musician and Blues enthusiast."Blue" notes are very harmonic notes that are missing from the equal temperament scale.The techniques of piano blues and jazz represent the melding of African and Western music into something totally new and exciting.

  20. Blue Note

    SciTech Connect (OSTI)

    Murray Gibson

    2007-04-27T23:59:59.000Z

    Argonne's Murray Gibson is a physicist whose life's work includes finding patterns among atoms. The love of distinguishing patterns also drives Gibson as a musician and Blues enthusiast."Blue" notes are very harmonic notes that are missing from the equal temperament scale.The techniques of piano blues and jazz represent the melding of African and Western music into something totally new and exciting.

  1. Geochemical Implications of Stirring and Mixing

    E-Print Network [OSTI]

    Rudge, John

    Geochemical Implications of Stirring and Mixing in the Earth's Mantle John Frederick Rudge Trinity Sciences and Applied Mathematics, mostly in the form of papers in my rucksack as I have cycled back constrain the melting, melt mi- gration, and solid state convection that occurs in the Earth's mantle

  2. Geochemical engineering and materials program plan

    SciTech Connect (OSTI)

    None

    1982-08-01T23:59:59.000Z

    The Department of Energy (DOE) was designated as lead agency in discharging the overall legislative mandate for federal R&D to assist the private sector in developing appropriate technology for exploiting geothermal energy resources. The Geochemical Engineering and Materials (GEM) Program was conceived, as part of DOE'S overall strategy, to address specific and plant-wide problems and uncertainties in the use of materials and in geochemical engineering. This program assists industry in the conduct of long-term,high-risk R&D needed to overcome the significant technical and economic GEM-related obstacles faced by developers and potential developers of this alternative energy source. The program focuses on: (1) Increasing the knowledge about the properties of materials and their performance under geothermal energy system conditions; (2) Developing and utilizing more reliable and/or cost-effective materials than previously available; and (3) Developing a greater understanding of and control over geochemical processes during fluid production and transport, energy conversion, and waste management. As a stand-alone program and as support to other DOE geothermal technology development programs, the GEM Program contributes to the feasibility of designing and operating efficient, reliable, and safe fluid handling and energy conversion systems.

  3. OTS NOTE

    Office of Legacy Management (LM)

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOn AprilA group currentBradleyTableSelling7 AugustAFRICAN .METALS~ c3 Alexander941 OTS NOTE

  4. Alteration And Geochemical Zoning In Bodie Bluff, Bodie Mining...

    Open Energy Info (EERE)

    Alteration And Geochemical Zoning In Bodie Bluff, Bodie Mining District, Eastern California Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article:...

  5. Trace Element Geochemical Zoning in the Roosevelt Hot Springs...

    Open Energy Info (EERE)

    Capuano. 1980. Trace Element Geochemical Zoning in the Roosevelt Hot Springs Thermal Area, Utah. In: Transactions. GRC Annual Meeting; 09091980; Salt Lake City, UT. Salt...

  6. Merging High Resolution Geophysical and Geochemical Surveys to...

    Open Energy Info (EERE)

    Buttes, Oregon Geothermal Project Jump to: navigation, search Last modified on July 22, 2011. Project Title Merging High Resolution Geophysical and Geochemical Surveys to Reduce...

  7. Geochemical Controls on Contaminant Uranium in Vadose Hanford...

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

    Controls on Contaminant Uranium in Vadose Hanford Formation Sediments at the 200 Area and 300 Area, Hanford Site, Geochemical Controls on Contaminant Uranium in Vadose Hanford...

  8. Geochemical characterization of geothermal systems in the Great...

    Open Energy Info (EERE)

    for geothermal energy in the Great Basin. In addition, understanding the geochemical evolution of these various types of systems will provide important insights into the possible...

  9. Merging high resolution geophysical and geochemical surveys to...

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

    Merging high resolution geophysical and geochemical surveys to reduce exploration risk at Glass Buttes, Oregon Patrick Walsh Ormat Nevada Inc. Innovative technologies May 19, 2010...

  10. Defining the Problem Known Environment Unknown Environment Improvements Reinforcement Learning

    E-Print Network [OSTI]

    Kjellström, Hedvig

    Defining the Problem Known Environment Unknown Environment Improvements Reinforcement Learning Bel¨oningsbaserad Inl¨arning Defining the Problem Known Environment Unknown Environment Improvements 1 Defining the Problem Framework Role of Reward Simplifying Assumptions Central Concepts 2 Known Environment Bellmans

  11. DNA-based methods of geochemical prospecting

    DOE Patents [OSTI]

    Ashby, Matthew (Mill Valley, CA)

    2011-12-06T23:59:59.000Z

    The present invention relates to methods for performing surveys of the genetic diversity of a population. The invention also relates to methods for performing genetic analyses of a population. The invention further relates to methods for the creation of databases comprising the survey information and the databases created by these methods. The invention also relates to methods for analyzing the information to correlate the presence of nucleic acid markers with desired parameters in a sample. These methods have application in the fields of geochemical exploration, agriculture, bioremediation, environmental analysis, clinical microbiology, forensic science and medicine.

  12. Clearing a Pile of Unknown Objects using Interactive Perception

    E-Print Network [OSTI]

    Katz, Dov

    Clearing a Pile of Unknown Objects using Interactive Perception Dov Katz, Moslem Kazemi, J. Andrew of clearing a pile of unknown objects using an autonomous interactive perception approach. Our robot hypothesizes the boundaries of objects in a pile of unknown objects (object segmentation) and verifies its

  13. Upscaling geochemical reaction rates using pore-scale network modeling

    E-Print Network [OSTI]

    Peters, Catherine A.

    . To examine the scaling behavior of reaction kinetics, these continuum-scale rates from the network model as a valuable research tool for examining upscaling of geochemical kinetics. The pore-scale model allowsUpscaling geochemical reaction rates using pore-scale network modeling Li Li, Catherine A. Peters

  14. Multi-unit Auctions with Unknown Supply [Extended Abstract

    E-Print Network [OSTI]

    Saberi, Amin

    Multi-unit Auctions with Unknown Supply [Extended Abstract] Mohammad Mahdian Microsoft Research Redmond, WA, USA mahdian@microsoft.com Amin Saberi Stanford University Stanford, CA, USA saberi

  15. Geochemical Data on Waters, Gases, Scales, and Rocks from the...

    Open Energy Info (EERE)

    Jump to: navigation, search OpenEI Reference LibraryAdd to library Report: Geochemical Data on Waters, Gases, Scales, and Rocks from the Dixie Valley Region, Nevada (1996-1999)...

  16. Geochemical Data for 95 Thermal and Nonthermal Waters of the...

    Open Energy Info (EERE)

    Jump to: navigation, search OpenEI Reference LibraryAdd to library Report: Geochemical Data for 95 Thermal and Nonthermal Waters of the Valles Caldera - Southern Jemez Mountains...

  17. Temporal Geochemical Variations In Volatile Emissions From Mount...

    Open Energy Info (EERE)

    Geochemical Variations In Volatile Emissions From Mount St Helens, Usa, 1980-1994 Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Temporal...

  18. A Reconnaissance Geochemical Study Of La Primavera Geothermal...

    Open Energy Info (EERE)

    Study Of La Primavera Geothermal Area, Jalisco, Mexico Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: A Reconnaissance Geochemical Study Of La...

  19. Defining the Problem Known Environment Unknown Environment Improvements Reinforcement Learning

    E-Print Network [OSTI]

    Kjellström, Hedvig

    Defining the Problem Known Environment Unknown Environment Improvements Reinforcement Learning Bel¨oningsbaserad Inl¨arning #12;Defining the Problem Known Environment Unknown Environment Improvements 1 Defining the Problem Framework Role of Reward Simplifying Assumptions Central Concepts 2 Known Environment Bellman

  20. Defining the Problem Known Environment Unknown Environment Improvements Reinforcement Learning

    E-Print Network [OSTI]

    Kjellström, Hedvig

    Defining the Problem Known Environment Unknown Environment Improvements Reinforcement Learning Bel¨oningsbaserad Inl¨arning #12;Defining the Problem Known Environment Unknown Environment Improvements 1 Defining the Problem Framework Role of Reward Simplifying Assumptions Central Concepts 2 Known Environment Bellmans

  1. A general-purpose, geochemical reservoir simulator

    SciTech Connect (OSTI)

    Liu, X.; Ortoleva, P.

    1996-12-31T23:59:59.000Z

    A geochemical simulator for the analysis of coupled reaction and transport processes is presented. The simulator is based on the numerical solution of the equations of coupled multi-phase fluid flow, species transport, energy balance and rock/fluid reactions. It also accounts for the effects of grain growth/dissolution and the alteration of porosity and permeability due to mineral reactions. The simulator can be used to analyze core floods, single-well scenarios and multiple production/injection well systems on the reservoir scale. Additionally, the simulator provides two flow options: the Darcy law for fluid flow in porous media and the Brinkman law that subsumes both free and porous medium flows. The simulator was tested using core acidizing data and results were in good agreement with laboratory observations. The simulator was applied to analyze matrix acidizing treatments for a horizontal well. The evolution of the skin factor was predicted and the optimal volume of acid required to remove the near-wellbore damage was determined. Reactive fluid infiltration was shown to lead to reaction-front fingering under certain conditions. Viscosity contrast in multiphase flow could also result in viscous fingering. Examples in this study also address these nonlinear fingering phenomena. A waterflood on the reservoir scale was analyzed and simulation results show that scale formation during waterfloods can occur far beyond injection wells. Two cases of waste disposal by deep well injection were evaluated and our simulation results were consistent with field measured data.

  2. System for identifying known materials within a mixture of unknowns

    DOE Patents [OSTI]

    Wagner, J.S.

    1999-07-20T23:59:59.000Z

    One or both of two methods and systems are used to determine concentration of a known material in an unknown mixture on the basis of the measured interaction of electromagnetic waves upon the mixture. One technique is to utilize a multivariate analysis patch technique to develop a library of optimized patches of spectral signatures of known materials containing only those pixels most descriptive of the known materials by an evolutionary algorithm. Identity and concentration of the known materials within the unknown mixture is then determined by minimizing the residuals between the measurements from the library of optimized patches and the measurements from the same pixels from the unknown mixture. Another technique is to train a neural network by the genetic algorithm to determine the identity and concentration of known materials in the unknown mixture. The two techniques may be combined into an expert system providing cross checks for accuracy. 37 figs.

  3. Method for identifying known materials within a mixture of unknowns

    DOE Patents [OSTI]

    Wagner, John S. (Albuquerque, NM)

    2000-01-01T23:59:59.000Z

    One or both of two methods and systems are used to determine concentration of a known material in an unknown mixture on the basis of the measured interaction of electromagnetic waves upon the mixture. One technique is to utilize a multivariate analysis patch technique to develop a library of optimized patches of spectral signatures of known materials containing only those pixels most descriptive of the known materials by an evolutionary algorithm. Identity and concentration of the known materials within the unknown mixture is then determined by minimizing the residuals between the measurements from the library of optimized patches and the measurements from the same pixels from the unknown mixture. Another technique is to train a neural network by the genetic algorithm to determine the identity and concentration of known materials in the unknown mixture. The two techniques may be combined into an expert system providing cross checks for accuracy.

  4. System for identifying known materials within a mixture of unknowns

    DOE Patents [OSTI]

    Wagner, John S. (Albuquerque, NM)

    1999-01-01T23:59:59.000Z

    One or both of two methods and systems are used to determine concentration of a known material in an unknown mixture on the basis of the measured interaction of electromagnetic waves upon the mixture. One technique is to utilize a multivariate analysis patch technique to develop a library of optimized patches of spectral signatures of known materials containing only those pixels most descriptive of the known materials by an evolutionary algorithm. Identity and concentration of the known materials within the unknown mixture is then determined by minimizing the residuals between the measurements from the library of optimized patches and the measurements from the same pixels from the unknown mixture. Another technique is to train a neural network by the genetic algorithm to determine the identity and concentration of known materials in the unknown mixture. The two techniques may be combined into an expert system providing cross checks for accuracy.

  5. VOL2NOTE.CHP:Corel VENTURA

    Gasoline and Diesel Fuel Update (EIA)

    Tables * Note 4. Domestic Crude Oil Production * Note 5. Export Data * Note 6. Quality Control and Data Revision * Note 7. Frames Maintenance * Note 8. Descriptive Monthly...

  6. Crustal melting in the Himalayan orogen : field, geochemical and geochronological studies in the Everest region, Nepal

    E-Print Network [OSTI]

    Viskupic, Karen M. (Karen Marie), 1975-

    2003-01-01T23:59:59.000Z

    A combination of field studies and geochemical techniques were used to investigate the timing and processes involved in leucogranite generation in the Everest region of the Himalayan orogen. Geochemical investigations ...

  7. PRELIMINARY RESULTS OF THE PETROLOGICAL-GEOCHEMICAL COMPONENT TO THE BATHOLITHS PROJECT

    E-Print Network [OSTI]

    Wetmore, Paul H.

    PRELIMINARY RESULTS OF THE PETROLOGICAL- GEOCHEMICAL COMPONENT TO THE BATHOLITHS PROJECT Paul H. Wetmore Theresa Kayzar Mihai Ducea P. Jonathan Patchett George Gehrels The petrologic during batholith generation. Petrologic and geochemical studies of arc-related, igneous and meta

  8. Geochemical Modeling of ILAW Lysimeter Water Extracts

    SciTech Connect (OSTI)

    Cantrell, Kirk J.

    2014-12-22T23:59:59.000Z

    Geochemical modeling results of water extracts from simulated immobilized low-activity waste (ILAW) glasses, placed in lysimeters for eight years suggest that the secondary phase reaction network developed using product consistency test (PCT) results at 90°C may need to be modified for field conditions. For sediment samples that had been collected from near the glass samples, the impact of glass corrosion could be readily observed based upon the pH of their water extracts. For unimpacted sediments the pH ranged from 7.88 to 8.11 with an average of 8.04. Sediments that had observable impacts from glass corrosion exhibited elevated pH values (as high as 9.97). For lysimeter sediment samples that appear to have been impacted by glass corrosion to the greatest extent, saturation indices determined for analcime, calcite, and chalcedony in the 1:1 water extracts were near equilibrium and were consistent with the secondary phase reaction network developed using PCT results at 90°C. Fe(OH)3(s) also appears to be essentially at equilibrium in extracts impacted by glass corrosion, but with a solubility product (log Ksp) that is approximately 2.13 units lower than that used in the secondary phase reaction network developed using PCT results at 90°C. The solubilities of TiO2(am) and ZrO2(am) also appear to be much lower than that assumed in the secondary phase reaction network developed using PCT results at 90°C. The extent that the solubility of TiO2(am) and ZrO2(am) were reduced relative to that assumed in the secondary phase reaction network developed using PCT results at 90°C could not be quantified because the concentrations of Ti and Zr in the extracts were below the estimated quantification limit. Gibbsite was consistently highly oversaturated in the extract while dawsonite was at or near equilibrium. This suggests that dawsonite might be a more suitable phase for the secondary phase reaction network than gibbsite under field conditions. This may be due to the availability of carbonate that exists in the Hanford sediments as calcite. A significant source of carbonate was not available in the PCTs and this may account for why this phase did not appear in the PCTs. Sepiolite was consistently highly undersaturated, suggesting that another phase controls the solubility of magnesium. For samples that were most impacted by the effects of glass corrosion, magnesite appears to control glass corrosion. For samples that show less impacts from glass corrosion, clinochlore-7A or saponite-Mg appears to control the magnesium concentrations. For zinc, it appears that zincite is a better candidate than Zn(OH)2-? for controlling zinc concentrations in the extracts; however, in some samples all zinc phases considered were highly oversaturated. As a result the phase that controls zinc concentrations in the lysimeter extracts remains uncertain.

  9. argentina mineralogical geochemical: Topics by E-print Network

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

    argentina mineralogical geochemical First Page Previous Page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Next Page Last Page Topic Index 1 A shocking state:...

  10. Synthesis of organic geochemical data from the Eastern Gas Shales

    SciTech Connect (OSTI)

    Zielinski, R.E.; McIver, R.D.

    1982-01-01T23:59:59.000Z

    Over 2400 core and cuttings samples of Upper Devonian shales from wells in the Appalachian, Illinois, and Michigan Basins have been characterized by organic geochemical methods to provide a basis for accelerating the exploitation of this unconventional, gas-rich resource. This work was part of a program initiated to provide industry with criteria for locating the best areas for future drilling and for the development of stimulation methods that will make recovery of the resource economically attractive. The geochemical assessment shows that the shale, in much of the Appalachian, Illinois, and Michigan Basins is source rock that is capable of generating enormous quantities of gas. In some areas the shales are also capable of generating large quantities of oil as well. The limiting factors preventing these sources from realizing most of their potential are their very low permeabilities and the paucity of potential reservoir rocks. This geochemical data synthesis gives direction to future selection of sites for stimulation research projects in the Appalachian Basin by pinpointing those areas where the greatest volumes of gas are contained in the shale matrix. Another accomplishment of the geochemical data synthesis is a new estimate of the total resource of the Appalachian Basin. The new estimate of 2500 TCF is 25 percent greater than the highest previous estimates. This gives greater incentive to government and industry to continue the search for improved stimulation methods, as well as for improved methods for locating the sites where those improved stimulation methods can be most effectively applied.

  11. Stochastic Online Learning for Network Optimization under Unknown Random Weights

    E-Print Network [OSTI]

    Zhao, Qing

    the results to general network optimization problems (e.g., minimum spanning tree and dominating set minimum spanning tree and minimum (connected) dominating set. Consider a communication network where1 Stochastic Online Learning for Network Optimization under Unknown Random Weights Keqin Liu

  12. Electrical Resistivity Imaging for Unknown Bridge Foundation Depth Determination

    E-Print Network [OSTI]

    Arjwech, Rungroj

    2012-02-14T23:59:59.000Z

    and spread footings. Both known to unknown foundations were investigated. The geotechnical test site is used as an experimental site for 2D and 3D ERI. The data acquisition is carried out along 2D profile with a linear array in the dipole-dipole configuration...

  13. Overall, in this case, Prob(happy, unknown employment)

    E-Print Network [OSTI]

    Aerts, Diederik

    Overall, in this case, Prob(happy, unknown employment) = |M · U(t) · |cemployedl|2 · Prob(employed) + |M · U(t) · |c employed l|2 · Prob( employed). It should be clear that in such a case" reasoner is still uncertain about whether she will be employed. The crucial difference is that in this case

  14. Photometric Stereo with General, Unknown Lighting Ronen Basri

    E-Print Network [OSTI]

    Jacobs, David

    Photometric Stereo with General, Unknown Lighting Ronen Basri£ David Jacobs Dept. of Computer properties of an object using multiple images taken with a fixed viewpoint and variable lighting conditions. This work has primarily relied on the presence of a single point source of light in each image. In this pa

  15. Remote implementations of partially unknown quantum operations of multiqubits

    E-Print Network [OSTI]

    An Min Wang

    2006-10-13T23:59:59.000Z

    We propose and prove the protocol of remote implementations of partially unknown quantum operations of multiqubits belonging to the restricted sets. Moreover, we obtain the general and explicit forms of restricted sets and present evidence of their uniqueness and optimization. In addition, our protocol has universal recovery operations that can enhance the power of remote implementations of quantum operations.

  16. Iterative blind separation of Gaussian data of unknown order

    E-Print Network [OSTI]

    Mueller, Amy, 1980-

    2003-01-01T23:59:59.000Z

    A method for blind separation of noisy jointly Gaussian multivariate signals X is presented, where X = AP + N, X is an observed set of vectors, A is the mixing matrix, P is the unknown signal matrix, and N is white noise. ...

  17. BRIEFING NOTES November 2010

    E-Print Network [OSTI]

    Mound, Jon

    and EU, have promoted biofuel advancement which has #12;Briefing Note. November 2010. SustainableBRIEFING NOTES November 2010 Sustainable biofuels in Africa: cultivation of Jatropha curcas in Mali Background Case study 1 - Mali Case study 2 - Malawi Policy recommendations Biofuel cultivation worldwide

  18. Interferometric distillation and determination of unknown two-qubit entanglement

    E-Print Network [OSTI]

    S. -S. B. Lee; H. -S. Sim

    2010-06-08T23:59:59.000Z

    We propose a scheme for both distilling and quantifying entanglement, applicable to individual copies of an arbitrary unknown two-qubit state. It is realized in a usual two-qubit interferometry with local filtering. Proper filtering operation for the maximal distillation of the state is achieved, by erasing single-qubit interference, and then the concurrence of the state is determined directly from the visibilities of two-qubit interference. We compare the scheme with full state tomography.

  19. Argonne Geothermal Geochemical Database v2.0

    SciTech Connect (OSTI)

    Harto, Christopher

    2013-05-22T23:59:59.000Z

    A database of geochemical data from potential geothermal sources aggregated from multiple sources as of March 2010. The database contains fields for the location, depth, temperature, pH, total dissolved solids concentration, chemical composition, and date of sampling. A separate tab contains data on non-condensible gas compositions. The database contains records for over 50,000 wells, although many entries are incomplete. Current versions of source documentation are listed in the dataset.

  20. Argonne Geothermal Geochemical Database v2.0

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

    Harto, Christopher

    A database of geochemical data from potential geothermal sources aggregated from multiple sources as of March 2010. The database contains fields for the location, depth, temperature, pH, total dissolved solids concentration, chemical composition, and date of sampling. A separate tab contains data on non-condensible gas compositions. The database contains records for over 50,000 wells, although many entries are incomplete. Current versions of source documentation are listed in the dataset.

  1. Geochemical Prospecting of Hydrocarbons in Frontier Basins of India* By

    E-Print Network [OSTI]

    B. Kumar; D. J. Patil; G. Kalpana; C. Vishnu Vardhan

    India has 26 sedimentary basins with a basinal area of approximately 1.8x 10 6 km 2 (excluding deep waters), out of which seven are producing basins and two have proven potential. Exploration efforts in other basins, called “frontier basins ” are in progress. These basins are characterized by varied geology, age, tectonics, and depositional environments. Hydrocarbon shows in many of these basins are known, and in few basins oil and gas have flowed in commercial /non-commercial quantities. Within the framework of India Hydrocarbon Vision – 2025 and New Exploration Licensing Policy, there is a continuous increase in area under active exploration. The asset management concept with multi-disciplinary teams has created a demand for synergic application of risk-reduction technologies, including surface geochemical surveys. National Geophysical Research Institute (NGRI), Hyderabad, India has initiated/planned surface geochemical surveys composed of gas chromatographic and carbon isotopic analyses in few of the frontier basins of India. The adsorbed soil gas data in one of the basins (Saurashtra basin, Gujarat) has shown varied concentrations of CH4 to C4H10. The C1 concentration varies between 3 to 766 ppb and ??C2+, 1 to 543 ppb. This basin has thin soil cover and the Mesozoic sediments (probable source rocks) are overlain by thick cover of Deccan Traps. The scope and perspective of geochemical surveys in frontier basins of India are presented here.

  2. Froissart Bound on Inelastic Cross Section Without Unknown Constants

    E-Print Network [OSTI]

    Martin, André

    2015-01-01T23:59:59.000Z

    Assuming that axiomatic local field theory results hold for hadron scattering, Andr\\'e Martin and S. M. Roy recently obtained absolute bounds on the D-wave below threshold for pion-pion scattering and thereby determined the scale of the logarithm in the Froissart bound on total cross sections in terms of pion mass only. Previously, Martin proved a rigorous upper bound on the inelastic cross-section $\\sigma_{inel}$ which is one-fourth of the corresponding upper bound on $\\sigma_{tot}$, and Wu, Martin,Roy and Singh improved the bound by adding the constraint of a given $\\sigma_{tot}$. Here we use unitarity and analyticity to determine, without any high energy approximation, upper bounds on energy averaged inelastic cross sections in terms of low energy data in the crossed channel. These are Froissart-type bounds without any unknown coefficient or unknown scale factors and can be tested experimentally. Alternatively, their asymptotic forms,together with the Martin-Roy absolute bounds on pion-pion D-waves below t...

  3. Data series subtraction with unknown and unmodeled background noise

    E-Print Network [OSTI]

    Stefano Vitale; Giuseppe Congedo; Rita Dolesi; Valerio Ferroni; Mauro Hueller; Daniele Vetrugno; William Joseph Weber; Heather Audley; Karsten Danzmann; Ingo Diepholz; Martin Hewitson; Natalia Korsakova; Luigi Ferraioli; Ferran Gibert; Nikolaos Karnesis; Miquel Nofrarias; Henri Inchauspe; Eric Plagnol; Oliver Jennrich; Paul W. McNamara; Michele Armano; James Ira Thorpe; Peter Wass

    2014-08-04T23:59:59.000Z

    LISA Pathfinder (LPF), ESA's precursor mission to a gravitational wave observatory, will measure the degree to which two test-masses can be put into free-fall, aiming to demonstrate a residual relative acceleration with a power spectral density (PSD) below 30 fm/s$^2$/Hz$^{1/2}$ around 1 mHz. In LPF data analysis, the measured relative acceleration data series must be fit to other various measured time series data. This fitting is required in different experiments, from system identification of the test mass and satellite dynamics to the subtraction of noise contributions from measured known disturbances. In all cases, the background noise, described by the PSD of the fit residuals, is expected to be coloured, requiring that we perform such fits in the frequency domain. This PSD is unknown {\\it a priori}, and a high accuracy estimate of this residual acceleration noise is an essential output of our analysis. In this paper we present a fitting method based on Bayesian parameter estimation with an unknown frequency-dependent background noise. The method uses noise marginalisation in connection with averaged Welch's periodograms to achieve unbiased parameter estimation, together with a consistent, non-parametric estimate of the residual PSD. Additionally, we find that the method is equivalent to some implementations of iteratively re-weighted least-squares fitting. We have tested the method both on simulated data of known PSD, and to analyze differential acceleration from several experiments with the LISA Pathfinder end-to-end mission simulator.

  4. Review of geochemical measurement techniques for a nuclear waste repository in bedded salt

    SciTech Connect (OSTI)

    Knauss, K.G.; Steinborn, T.L.

    1980-05-22T23:59:59.000Z

    A broad, general review is presented of geochemical measurement techniques that can provide data necessary for site selection and repository effectiveness assessment for a radioactive waste repository in bedded salt. The available measurement techniques are organized according to the parameter measured. The list of geochemical parameters include all those measurable geochemical properties of a sample whole values determine the geochemical characteristics or behavior of the system. For each technique, remarks are made pertaining to the operating principles of the measurement instrument and the purpose for which the technique is used. Attention is drawn to areas where further research and development are needed.

  5. Preclosure Monitoring and Performance Confirmation at Yucca Mountain: Applicability of Geophysical, Geohydrological, and Geochemical Methods

    E-Print Network [OSTI]

    Tsang, C.F.

    2010-01-01T23:59:59.000Z

    properties of rock and geochemical properties of rock andDynamic Elastic Properties of Sedimentary Rocks, Geophysics,since the elastic properties of rock are not affected

  6. Remote implementation of partially unknown operations and its entanglement costs

    E-Print Network [OSTI]

    Shu-Hui Luo; An-Min Wang

    2013-01-24T23:59:59.000Z

    We present the generalized version of Wang's protocol[A.M.Wang, Phys.Rev.A 74,032317 (2006)] for the remote implementation(sometimes referred to as quantum remote control) of partially unknown quantum operations. The protocol only requires no more than half of the entanglements used in Bidirectional Quantum State Teleportation. We also propose a protocol for another form of quantum remote control. It can remotely implement a unitary operation which is a combination of the projective representations of a group. Moreover, we prove that the Schmidt rank of the entanglements cannot not be less than the number of controlled parameters of the operations, which for the first time gives a lower bound on entanglement costs in remote implementation of quantum operations.

  7. Optimal transfer of an unknown state via a bipartite operation

    E-Print Network [OSTI]

    Yang Liu; Yu Guo; D. L. Zhou

    2012-09-11T23:59:59.000Z

    A fundamental task in quantum information science is to transfer an unknown state from particle $A$ to particle $B$ (often in remote space locations) by using a bipartite quantum operation $\\mathcal{E}^{AB}$. We suggest the power of $\\mathcal{E}^{AB}$ for quantum state transfer (QST) to be the maximal average probability of QST over the initial states of particle $B$ and the identifications of the state vectors between $A$ and $B$. We find the QST power of a bipartite quantum operations satisfies four desired properties between two $d$-dimensional Hilbert spaces. When $A$ and $B$ are qubits, the analytical expressions of the QST power is given. In particular, we obtain the exact results of the QST power for a general two-qubit unitary transformation.

  8. Simulated NMIS Imaging Data for an Unknown Object

    SciTech Connect (OSTI)

    Walker, Mark E [ORNL; Mihalczo, John T [ORNL

    2012-04-01T23:59:59.000Z

    This report presents simulated Nuclear Materials Identification System (NMIS) imaging data for an unclassified object, whose characteristics are initially unknown to the reader. This data will be used to test various analysis capabilities and was created with a simple deterministic ray-tracing algorithm. NMIS is a time-dependent coincidence counting system that is used to characterize both fissile and non-fissile materials undergoing nondestructive assay. NMIS characterizes materials by interrogating them with neutrons, either from an associated-particle deuterium-tritium (DT) neutron generator, which produces a time and directionally tagged monoenergetic beam of 14.1 MeV neutrons, or a time-tagged spontaneous fission source in an ionization chamber.

  9. Editor's Note: Hurricane Sandy,

    E-Print Network [OSTI]

    Rosen, Jay

    Editor's Note: Hurricane Sandy, also known as Super Storm Sandy, Tropi- cal Storm Sandy, or just to protect the public, vital infrastructure, and the environment. Hurricane Sandy When Joseph Bruno, New York- nuity that the city demonstrated in the wake of Hurricane Sandy. So when he addressed a forum at New

  10. Computer Engineering Curriculum Notes

    E-Print Network [OSTI]

    Mather, Patrick T.

    1 Computer Engineering Curriculum Notes 2013-2014 Technical Electives Students fulfill 15 credits be assigned to either group A or group B as determined by Computer Engineering program committee. Every year the computer engineering program committee will review the list and may make change(s). Group A (at least 6

  11. ELECTRICAL ENGINEERING Curriculum Notes

    E-Print Network [OSTI]

    Mather, Patrick T.

    ELECTRICAL ENGINEERING Curriculum Notes 2013-2014 1. Electrical Engineering (EE) students must/programs/electrical_engineering) and minors are used to regulate technical electives. A student must complete four technical elective courses in Electrical Engineering or Computer Engineering. At a minimum

  12. Surface and Subsurface Geochemical Monitoring of an EOR-CO2 Field: Buracica, Brazil

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Surface and Subsurface Geochemical Monitoring of an EOR-CO2 Field: Buracica, Brazil C. Magnier1, V Monitoring of an EOR-CO2 Field: Buracica, Brazil -- This paper presents a surface and subsurface geochemical survey of the Buracica EOR-CO2 field onshore Brazil. We adopted a methodology coupling the stable

  13. MULTI-SCALE ANALYSIS OF MULTIPARAMETER GEOPHYSICAL AND GEOCHEMICAL DATA FROM

    E-Print Network [OSTI]

    Williams-Jones, Glyn

    MULTI-SCALE ANALYSIS OF MULTIPARAMETER GEOPHYSICAL AND GEOCHEMICAL DATA FROM ACTIVE VOLCANIC Name: MAURI Guillaume Degree: PhD of Science Title of Thesis: Multi-scale analysis of multiparameter geophysical and geochemical data from active volcanic systems Examining Committee: Chair: Dr John Clague

  14. Geochemical and Isotopic Interpretations of Groundwater Flow in the Oasis Valley Flow System, Southern Nevada

    SciTech Connect (OSTI)

    J.M. Thomas; F.C. Benedict, Jr.; T.P. Rose; R.L. Hershey; J.B. Paces; Z.E. Peterman; I.M. Farnham; K.H. Johannesson; A.K. Singh; K.J. Stetzenbach; G.B. Hudson; J.M. Kenneally; G.F. Eaton; D.K. Smith

    2003-01-08T23:59:59.000Z

    This report summarizes the findings of a geochemical investigation of the Pahute Mesa-Oasis Valley groundwater flow system in southwestern Nevada. It is intended to provide geochemical data and interpretations in support of flow and contaminant transport modeling for the Western and Central Pahute Mesa Corrective Action Units.

  15. Geochemical responses in peat groundwater over Attawapiskat kimberlites, James Bay Lowlands, Canada and their application to

    E-Print Network [OSTI]

    Geochemical responses in peat groundwater over Attawapiskat kimberlites, James Bay Lowlands, Canada.sader@mmg.com) ABSTRACT: Peat groundwater compositions at depths of 0.4 and 1.1 m below ground surface in the Attawapiskat on hydrogeological measurements and variations in peat groundwater geochemical parameters (pH and EC are high

  16. Hydrological and geochemical investigations of selenium behavior at Kesterson Reservoir

    SciTech Connect (OSTI)

    Benson, S.M.; Tokunaga, T.K.; Zawislanski, P.; Yee, A.W.; Daggett, J.S.; Oldfather, J.M.; Tsao, L.; Johannis, P.W.

    1990-10-01T23:59:59.000Z

    From 1985 to the present we have studied the behavior of selenium in various habitats and environments at Kesterson reservoir, shifting emphasis as remedial actions altered the physical setting. Investigations have evaluated the efficacy of several remedial alternatives, from innovative techniques relying on the complex geochemical behavior of selenium alternatives, from innovative techniques relying on the complex geochemical behavior of selenium in aquatic environments to conventional excavation schemes. Results of these studies supported two cost-effective remedial measures; drain water deliveries were terminated in 1986 and, in 1988, 1 million cubic yards of soil were imported and used to fill the low lying areas of the former Kesterson Reservoir. To date, these two actions appear to have eliminated the aquatic habitat that caused waterfowl death and deformity at Kesterson from the early 1980's to 1987. Biological, surface water and groundwater monitoring data collected by the USBR indicate that Kesterson is now a much safer environment than in past years when drainage water containing 300{mu}g/l of selenium was delivered to the Reservoir. The continued presence of a large inventory of selenium within the upper portions of unfilled areas of Kesterson Reservoir and immediately below the fill material requires that a continued awareness of the status of this inventory be maintained and improved upon. 83 refs., 130 figs., 19 tabs.

  17. Briefing notes on MPhils

    E-Print Network [OSTI]

    Runde, Jochen

    2009-07-13T23:59:59.000Z

    staff.’ (extract from BP internal report) The CMI MPhil initiative is also serving as an agent of change within Cambridge University. Successes on this front include: great strides in the development of the platform-sharing model (e.g. all CMI... BRIEFING NOTE Professional Practice MPhil Programmes developed under the aegis of CMI CMI has sponsored the development of a number of new MPhils at Cambridge, inspired by the successful ‘Professional Practice’ programmes at MIT. It is the multi...

  18. Geochemical and geomechanical effects on wellbore cement fractures

    SciTech Connect (OSTI)

    Um, Wooyong; Jung, Hun Bok; Kabilan, Senthil; Fernandez, Carlos A.; Brown, Christopher F.

    2014-01-01T23:59:59.000Z

    Experimental studies were conducted using batch reactors, X-ray microtomograpy (XMT), and computational fluid dynamics (CFD) simulation to determine changes in cement fracture surfaces, fluid flow pathways, and permeability with geochemical and geomechanical processes. Composite Portland cement-basalt caprock core with artificial fractures was prepared and reacted with CO2-saturated groundwater at 50°C and 10 MPa for 3 to 3.5 months under static conditions to understand the geochemical and geomechanical effects on the integrity of wellbores containing defects. Cement-basalt interface samples were subjected to mechanical stress at 2.7 MPa before the CO2 reaction. XMT provided three-dimensional (3-D) visualization of the opening and interconnection of cement fractures due to mechanical stress. After the CO2 reaction, XMT images revealed that calcium carbonate precipitation occurred extensively within the fractures in the cement matrix, but only partially along fractures located at the cement-basalt interface. The permeability calculated based on CFD simulation was in agreement with the experimentally measured permeability. The experimental results imply that the wellbore cement with fractures is likely to be healed during exposure to CO2-saturated groundwater under static conditions, whereas fractures along the cement-caprock interface are still likely to remain vulnerable to the leakage of CO2. CFD simulation for the flow of different fluids (CO2-saturated brine and supercritical CO2) using a pressure difference of 20 kPa and 200 kPa along ~2 cm-long cement fractures showed that a pressure gradient increase resulted in an increase of CO2 fluids flux by a factor of only ~3-9 because the friction of CO2 fluids on cement fracture surfaces increased with higher flow rate as well. At the same pressure gradient, the simulated flow rate was higher for supercritical CO2 than CO2-saturated brine by a factor of only ~2-3, because the viscosity of supercritical CO2 is much lower than that of CO2-saturated brine. The study suggests that in deep geological reservoirs the geochemical and geomechanical processes have coupled effects on the wellbore cement fracture evolution and fluid flow along the fracture surfaces.

  19. Age correlation of petroleum of unknown source using biological markers

    SciTech Connect (OSTI)

    Moldowan, J.M.; Jacobson, S.R.; Lee, C.Y. (Chevron Oil Field Research Co., Richmond, CA (USA)); Huizinga, B.J. (Chevron Overseas Petroleum, Inc., San Ramon, CA (USA))

    1990-05-01T23:59:59.000Z

    Determination of age constraints on petroleums from unknown sources provides a means of choosing among possible source rock candidates, predicting migration scenarios for oil, and determining the timing of its emplacement in the reservoir. A number of parameters used to assign such age constraints to petroleum have been suggested by geochemists. However, any constraining marker, regardless of age, may not be found in a particular facies because the parent organisms are absent in those sediments. Thus, the presence of a specific age correlation marker may be significant whereas its absence may not. The authors have investigated two markers for their age-correlation significance. Oleanane, a marker related to pentacyclic triterpanes in flowering plants (angiosperms) occurs in many Late Cretaceous or younger rocks and oils, even though angiosperm fossils are known in older rocks. A survey of a sequence of middle to upper Cretaceous rocks from Wyoming provides an example of a Late Cretaceous age for the onset of oleanane. However, a level of uncertainty exists for older Cretaceous rocks where a trace component with many similarities to oleanane (which could in fact be oleanane) can occur. C{sub 30}-steranes (24-n-propylcholestanes) have been used as a widely occurring marker for marine organic input to petroleum. A recent report postulates the origin of C{sub 30}-steranes from marine Sarcinochrysidales order of Chrysophycase (golden brown algae). Although the fossil record of these algae has not been recorded, their sample base indicates that C{sub 30} steranes, and therefore their parent organisms, originate in the Middle Ordovician.

  20. The hydrogeologic-geochemical model of Cerro Prieto revisited

    SciTech Connect (OSTI)

    Lippmann, M.J.; Halfman, S.E.; Truesdell, A.H.; Manon M., A.

    1989-01-01T23:59:59.000Z

    As the exploitation of the Cerro Prieto, Mexico, geothermal field continues, there is increasing evidence that the hydrogeologic model developed by Halfman et al. (1984, 1986) presents the basic features controlling the movement of geothermal fluids in the system. At the present time the total installed capacity at Cerro Prieto is 620 MWe requiring the production of more than 10,500 tonnes/hr of a brine-steam mixture. This significant rate of fluid production has resulted in changes in reservoir thermodynamic conditions and in the chemistry of the produced fluids. After reviewing the hydrogeologic-geochemical model of Cerro Prieto, some of the changes observed in the field due to its exploitation are discussed and interpreted on the basis of the model. 21 refs., 11 figs., 1 tab.

  1. WATEQ3 geochemical model: thermodynamic data for several additional solids

    SciTech Connect (OSTI)

    Krupka, K.M.; Jenne, E.A.

    1982-09-01T23:59:59.000Z

    Geochemical models such as WATEQ3 can be used to model the concentrations of water-soluble pollutants that may result from the disposal of nuclear waste and retorted oil shale. However, for a model to competently deal with these water-soluble pollutants, an adequate thermodynamic data base must be provided that includes elements identified as important in modeling these pollutants. To this end, several minerals and related solid phases were identified that were absent from the thermodynamic data base of WATEQ3. In this study, the thermodynamic data for the identified solids were compiled and selected from several published tabulations of thermodynamic data. For these solids, an accepted Gibbs free energy of formation, ..delta..G/sup 0//sub f,298/, was selected for each solid phase based on the recentness of the tabulated data and on considerations of internal consistency with respect to both the published tabulations and the existing data in WATEQ3. For those solids not included in these published tabulations, Gibbs free energies of formation were calculated from published solubility data (e.g., lepidocrocite), or were estimated (e.g., nontronite) using a free-energy summation method described by Mattigod and Sposito (1978). The accepted or estimated free energies were then combined with internally consistent, ancillary thermodynamic data to calculate equilibrium constants for the hydrolysis reactions of these minerals and related solid phases. Including these values in the WATEQ3 data base increased the competency of this geochemical model in applications associated with the disposal of nuclear waste and retorted oil shale. Additional minerals and related solid phases that need to be added to the solubility submodel will be identified as modeling applications continue in these two programs.

  2. Microbiological and Geochemical Heterogeneity in an In Situ

    E-Print Network [OSTI]

    Uranium Bioremediation; Field Site; Helen A. Vrionis; Robert T. Anderson; Irene Ortiz-bernad; Kathleen R. O’neill; Philip E. Long; Derek R. Lovley

    2005-01-01T23:59:59.000Z

    The geochemistry and microbiology of a uranium-contaminated subsurface environment that had undergone two seasons of acetate addition to stimulate microbial U(VI) reduction was examined. There were distinct horizontal and vertical geochemical gradients that could be attributed in large part to the manner in which acetate was distributed in the aquifer, with more reduction of Fe(III) and sulfate occurring at greater depths and closer to the point of acetate injection. Clone libraries of 16S rRNA genes derived from sediments and groundwater indicated an enrichment of sulfate-reducing bacteria in the order Desulfobacterales in sediment and groundwater samples. These samples were collected nearest the injection gallery where microbially reducible Fe(III) oxides were highly depleted, groundwater sulfate concentrations were low, and increases in acid volatile sulfide were observed in the sediment. Further down-gradient, metal-reducing conditions were present as indicated by intermediate Fe(II)/Fe(total) ratios, lower acid volatile sulfide values, and increased abundance of 16S rRNA gene sequences belonging to the dissimilatory Fe(III)- and U(VI)-reducing family Geobacteraceae. Maximal Fe(III) and U(VI) reduction correlated with maximal recovery of Geobacteraceae 16S rRNA gene sequences in both groundwater and sediment; however, the sites at which these maxima occurred were spatially separated within the aquifer. The substantial microbial and geochemical heterogeneity at this site demonstrates that attempts should be made to deliver acetate in a more uniform manner and that closely

  3. Notes and Definitions

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOnItemResearch > The EnergyCenterDioxideDocumentationThreeNewsfuelNotes and Definitions

  4. Notes on basic algebraic geometry

    E-Print Network [OSTI]

    2008-06-16T23:59:59.000Z

    Jun 16, 2008 ... Notes on basic algebraic geometry ...... Having discovered the basic equation ..... back to a rational function on X. Thus we get a nonzero ...

  5. Migratory patterns of American shad (Alosa sapidissima) revealed by natural geochemical tags in otoliths

    E-Print Network [OSTI]

    Walther, Benjamin (Benjamin Dwaine)

    2007-01-01T23:59:59.000Z

    Geochemical signatures in the otoliths of diadromous fishes may allow for retrospective analyses of natal origins. In an assessment of river-specific signatures in American shad (Alosa sapidissima), an anadromous clupeid ...

  6. Geochemical heterogeneity in the Hawaiian plume : constraints from Hawaiian volcanoes and Emperor seamounts

    E-Print Network [OSTI]

    Huang, Shichun

    2005-01-01T23:59:59.000Z

    The 6000-km long, age-progressive linear Hawaii-Emperor Chain is one of the best defined hotspot tracks. This hotspot track plays an important role in the plume hypothesis. In this research, geochemical data on the ...

  7. Up-Scaling Geochemical Reaction Rates Accompanying Acidic CO2-Saturated Brine Flow in Sandstone Aquifers

    E-Print Network [OSTI]

    New York at Stoney Brook, State University of

    1 Up-Scaling Geochemical Reaction Rates Accompanying Acidic CO2-Saturated Brine Flow in Sandstone models. As a step toward this, network flow models were used to simulate the flow of CO2-saturated brine

  8. A Geological and Hydro-Geochemical Study of the Animas Geothermal...

    Open Energy Info (EERE)

    Hydro-Geochemical Study of the Animas Geothermal Area, Hidalgo County, New Mexico Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: A Geological...

  9. The dynamics of oceanic transform faults : constraints from geophysical, geochemical, and geodynamical modeling

    E-Print Network [OSTI]

    Gregg, Patricia Michelle Marie

    2008-01-01T23:59:59.000Z

    Segmentation and crustal accretion at oceanic transform fault systems are investigated through a combination of geophysical data analysis and geodynamical and geochemical modeling. Chapter 1 examines the effect of fault ...

  10. Geochemical Behaviour of S, Cl and Fe in Silicate Melts/Glasses...

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

    Geochemical Behaviour of S, Cl and Fe in Silicate MeltsGlasses Simulating Natural Magmas Monday, March 26, 2012 - 11:00am SSRL Conference Room 137-322 G. Giuli, R. Alonso-Mori, E....

  11. Geochemical evidence for possible natural migration of Marcellus Formation brine to

    E-Print Network [OSTI]

    Geochemical evidence for possible natural migration of Marcellus Formation brine to shallow possible migration of Marcellus brine through naturally occurring pathways. The occurrences of saline water, because of natural hydraulic connections to deeper formations. formation water isotopes Marcellus Shale

  12. NOTE / NOTE Sex ratio variation in gynodioecious species of

    E-Print Network [OSTI]

    Dorken, Marcel

    NOTE / NOTE Sex ratio variation in gynodioecious species of Echium endemic to the Canary Islands Marcel E. Dorken Abstract: Species of Echium from the Canary Islands represent an adaptive radiation fertility of females and hermaphrodites were de- tected. Key words: Canary Islands, Echium, island radiation

  13. Notes2Providers.doc -1-Notes to Retail Providers

    E-Print Network [OSTI]

    providers that purchase electricity from a power pool that submits an Annual Report to the Energy CommissionNotes2Providers.doc -1- Notes to Retail Providers February 2003 Power Source Disclosure an energy mix or fuel mix different than the California Mix, (Net System Power)i . As a retail provider you

  14. MINTEQ2 geochemical code: provisionary organic data base

    SciTech Connect (OSTI)

    Morrey, J.R.; Krupka, K.M.; Dove, F.H.

    1985-10-01T23:59:59.000Z

    Organic components in aqueous radioactive chemical sources, surface waters, and ground waters could substantially alter the mobility of radioactive and other important nonradioactive elements released from a defense waste disposal system. It is therefore important to be able to predict, as accurately as possible, the effects of selected organic components on the solubilities of radionuclides and important nonradioactive elements. The geochemical code MINTEQ2 can be used to assess solubilities provided that appropriate thermochemical data for organic and inorganic aqueous species and solids are available for its use. The code accepts an assemblage of gaseous and solid phases in contact with an aqueous phase and calculates the thermochemical equilibrium between these phases. Unlike typical hydrologic flow and transport codes where the data base is entirely site specific (i.e., parameters particular to the specific site), MINTEQ2 requires an additional generic thermochemical data base. This report discusses the addition of provisionary organic reactions and associated equilibrium constants to the generic data base that can be used by MINTEQ2 in scoping calculations or preliminary performance assessments.

  15. Microbiological and geochemical characterization of fluvially deposited sulfidic mine tailings

    SciTech Connect (OSTI)

    Wielinga, B.; Lucy, J.K.; Moore, J.N.; Seastone, O.F.; Gannon, J.E. [Univ. of Montana, Missoula, MT (United States)

    1999-04-01T23:59:59.000Z

    The fluvial deposition of mine tailings generated from historic mining operations near Butte, Montana, has resulted in substantial surface and shallow groundwater contamination along Silver Bow Creek. Biogeochemical processes in the sediment and underlying hyporheic zone were studied in an attempt to characterize interactions consequential to heavy-metal contamination of shallow groundwater. Sediment cores were extracted and fractionated based on sediment stratification. Subsamples of each fraction were assayed for culturable heterotrophic microbiota, specific microbial guilds involved in metal redox transformations, and both aqueous- and solid-phase geochemistry. Populations of cultivable Fe(III)-reducing bacteria were most prominent in the anoxic, circumneutral pH regions associated with a ferricrete layer or in an oxic zone high in organic carbon and soluble iron. Sulfur- and iron-oxidizing bacteria were distributed in discrete zones throughout the tailings and were often recovered from sections at and below the anoxic groundwater interface. Sulfate-reducing bacteria were also widely distributed in the cores and often occurred in zones overlapping iron and sulfur oxidizers. Sulfate-reducing bacteria were consistently recovered from oxic zones that contained high concentrations of metals in the oxidizable fraction. Altogether, these results suggest a highly varied and complex microbial ecology within a very heterogeneous geochemical environment. Such physical and biological heterogeneity has often been overlooked when remediation strategies for metal contaminated environments are formulated.

  16. Texas Phosphorus Index TECHNICAL NOTES

    E-Print Network [OSTI]

    Mukhtar, Saqib

    for West Texas, see Figure 1. NRCS and Extension Service specialists in Texas developed the P indicesTexas Phosphorus Index TECHNICAL NOTES U.S. DEPARTMENT OF AGRICULTURE NATURAL RESOURCES CONSERVATION SERVICE TEXAS Revised December, 2012 AGRONOMY TECHNICAL NOTE NUMBER ­ 15 PHOSPHORUS ASSESSMENT

  17. Message Terminating Algorithms for Anonymous Rings of Unknown Israel Cidon \\Lambda and Yuval Shavitt

    E-Print Network [OSTI]

    Shavitt, Yuval

    Message Terminating Algorithms for Anonymous Rings of Unknown Size Israel Cidon \\Lambda and Yuval Abstract We consider a ring of an unknown number of anonymous processors. We focus on message terminating algorithms, i.e., algorithms that terminate when no more messages are present in the system

  18. Quasi-optimal Coverage Algorithm for Simple Robot in an Unknown Environment

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Quasi-optimal Coverage Algorithm for Simple Robot in an Unknown Environment Dominique DUHAUT Lab algorithm to make a quasi-optimal coverage of an unknown environment. Under some hypothesis, we demonstrate that it is possible to build a map of the environment and to cover it, without passing two times in the same space

  19. Source localisation in an unknown reverberant environment using compressive sampling in the

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    case where the Green function of the medium is known [1]. In the case of a reverberant environmentSource localisation in an unknown reverberant environment using compressive sampling a source localisation method dealing with an unknown reverberant environment. The measured acoustic field

  20. GEOCHEMICAL MODELING OF F AREA SEEPAGE BASIN COMPOSITION AND VARIABILITY

    SciTech Connect (OSTI)

    Millings, M.; Denham, M.; Looney, B.

    2012-05-08T23:59:59.000Z

    From the 1950s through 1989, the F Area Seepage Basins at the Savannah River Site (SRS) received low level radioactive wastes resulting from processing nuclear materials. Discharges of process wastes to the F Area Seepage Basins followed by subsequent mixing processes within the basins and eventual infiltration into the subsurface resulted in contamination of the underlying vadose zone and downgradient groundwater. For simulating contaminant behavior and subsurface transport, a quantitative understanding of the interrelated discharge-mixing-infiltration system along with the resulting chemistry of fluids entering the subsurface is needed. An example of this need emerged as the F Area Seepage Basins was selected as a key case study demonstration site for the Advanced Simulation Capability for Environmental Management (ASCEM) Program. This modeling evaluation explored the importance of the wide variability in bulk wastewater chemistry as it propagated through the basins. The results are intended to generally improve and refine the conceptualization of infiltration of chemical wastes from seepage basins receiving variable waste streams and to specifically support the ASCEM case study model for the F Area Seepage Basins. Specific goals of this work included: (1) develop a technically-based 'charge-balanced' nominal source term chemistry for water infiltrating into the subsurface during basin operations, (2) estimate the nature of short term and long term variability in infiltrating water to support scenario development for uncertainty quantification (i.e., UQ analysis), (3) identify key geochemical factors that control overall basin water chemistry and the projected variability/stability, and (4) link wastewater chemistry to the subsurface based on monitoring well data. Results from this study provide data and understanding that can be used in further modeling efforts of the F Area groundwater plume. As identified in this study, key geochemical factors affecting basin chemistry and variability included: (1) the nature or chemistry of the waste streams, (2) the open system of the basins, and (3) duration of discharge of the waste stream types. Mixing models of the archetype waste streams indicated that the overall basin system would likely remain acidic much of the time. Only an extended periods of predominantly alkaline waste discharge (e.g., >70% alkaline waste) would dramatically alter the average pH of wastewater entering the basins. Short term and long term variability were evaluated by performing multiple stepwise modeling runs to calculate the oscillation of bulk chemistry in the basins in response to short term variations in waste stream chemistry. Short term (1/2 month and 1 month) oscillations in the waste stream types only affected the chemistry in Basin 1; little variation was observed in Basin 2 and 3. As the largest basin, Basin 3 is considered the primary source to the groundwater. Modeling showed that the fluctuation in chemistry of the waste streams is not directly representative of the source term to the groundwater (i.e. Basin 3). The sequence of receiving basins and the large volume of water in Basin 3 'smooth' or nullify the short term variability in waste stream composition. As part of this study, a technically-based 'charge-balanced' nominal source term chemistry was developed for Basin 3 for a narrow range of pH (2.7 to 3.4). An example is also provided of how these data could be used to quantify uncertainty over the long term variations in waste stream chemistry and hence, Basin 3 chemistry.

  1. Origin and geochemical evolution of the Michigan basin brine

    SciTech Connect (OSTI)

    Wilson, T.P.

    1989-01-01T23:59:59.000Z

    Chemical and isotopic data were collected on 126 oil field brine samples and were used to investigate the origin and geochemical evolution of water in 8 geologic formations in the Michigan basin. Two groups of brine are found in the basin, the Na-Ca-Cl brine in the upper Devonian formations, and Ca-Na-Cl brine from the lower Devonian and Silurian aged formations. Water in the upper Devonian Berea, Traverse, and Dundee formations originated from seawater concentrated into halite facies. This brine evolved by halite precipitation, dolomitization, aluminosilicate reactions, and the removal of SO{sub 4} by bacterial action or by CaSO{sub 4} precipitation. The stable isotopic composition (D, O) is thought to represent dilution of evapo-concentrated seawater by meteoric water. Water in the lower Devonian Richfield, Detroit River Group, and Niagara-Salina formations is very saline Ca-Na-Cl brine. Cl/Br suggest it originated from seawater concentrated through the halite and into the MgSO{sub 4} salt facies, with an origin linked to the Silurian and Devonian salt deposits. Dolomitization and halite precipitation increased the Ca/Na, aluminosilicate reactions removed K, and bacterial action or CaSO{sub 4} precipitation removed SO{sub 4} from this brine. Water chemistry in the Ordovician Trenton-Black River formations indicates dilution of evapo-concentrated seawater by fresh or seawater. Possible saline end-members include Ordovician seawater, present-day upper Devonian brine, or Ca-Cl brine from the deeper areas in the basin.

  2. Vision-based guidance and control of a hovering vehicle in unknown, gps-denied environments

    E-Print Network [OSTI]

    Andrews, Gregory

    This paper describes the system architecture and core algorithms for a quadrotor helicopter that uses vision data to navigate an unknown, indoor, GPS-denied environment. Without external sensing, an estimation system that ...

  3. Soil Iodine Determination in Deccan Syneclise, India: Implications for Near Surface Geochemical Hydrocarbon Prospecting

    SciTech Connect (OSTI)

    Mani, Devleena, E-mail: devleenatiwari@ngri.res.in [National Geophysical Research Institute (Council of Scientific and Industrial Research) (India); Kumar, T. Satish [Oil India Limited (India); Rasheed, M. A.; Patil, D. J.; Dayal, A. M.; Rao, T. Gnaneshwar; Balaram, V. [National Geophysical Research Institute (Council of Scientific and Industrial Research) (India)

    2011-03-15T23:59:59.000Z

    The association of iodine with organic matter in sedimentary basins is well documented. High iodine concentration in soils overlying oil and gas fields and areas with hydrocarbon microseepage has been observed and used as a geochemical exploratory tool for hydrocarbons in a few studies. In this study, we measure iodine concentration in soil samples collected from parts of Deccan Syneclise in the west central India to investigate its potential application as a geochemical indicator for hydrocarbons. The Deccan Syneclise consists of rifted depositional sites with Gondwana-Mesozoic sediments up to 3.5 km concealed under the Deccan Traps and is considered prospective for hydrocarbons. The concentration of iodine in soil samples is determined using ICP-MS and the values range between 1.1 and 19.3 ppm. High iodine values are characteristic of the northern part of the sampled region. The total organic carbon (TOC) content of the soil samples range between 0.1 and 1.3%. The TOC correlates poorly with the soil iodine (r{sup 2} < 1), indicating a lack of association of iodine with the surficial organic matter and the possibility of interaction between the seeping hydrocarbons and soil iodine. Further, the distribution pattern of iodine compares well with two surface geochemical indicators: the adsorbed light gaseous hydrocarbons (methane through butane) and the propane-oxidizing bacterial populations in the soil. The integration of geochemical observations show the occurrence of elevated values in the northern part of the study area, which is also coincident with the presence of exposed dyke swarms that probably serve as conduits for hydrocarbon microseepage. The corroboration of iodine with existing geological, geophysical, and geochemical data suggests its efficacy as one of the potential tool in surface geochemical exploration of hydrocarbons. Our study supports Deccan Syneclise to be promising in terms of its hydrocarbon prospects.

  4. unknown title

    E-Print Network [OSTI]

    Composite fuel tanks lightweight vehicles allowing alternative fuels to be carried onboard plastics autos Composite fuel tanks lightweight vehicles allowing alternative fuels to be carried onboard Alternative fuel vehicles using gaseous material (i.e., compressed natural gas [CNG], hydrogen, etc.) require strong, safe, lightweight tanks to maintain “normal ” vehicle size, weight, and driving ranges. Traditional alternative fuel tanks are made of common grade steel and, over time, the gas can migrate into the metal. This makes the metal brittle, fatiguing it to the point that gas, such as hydrogen, can leak from the tank. 1 Higher quality steel can prevent embrittlement, but can raise the

  5. unknown title

    E-Print Network [OSTI]

    Virtuelle Realität; Xd Vrml; G. Zachmann; Verhalten Und Animationen; Vorteile Von Xd

    ? Die Spezifikation von VRML ist an einigen Stellen nicht eindeutig ? In X3D präzisiert ? X3D hat 100+ Knoten (aufgeteilt in Components / Profiles) ? VRML hat nur 54 Knoten ? X3D hat 3 verschiedene sog. "File Encodings": ? Classic: sieht aus wie VRML; Suffix =.wrl oder.x3dv- Jede Software, die X3D lesen kann, kann (im Prinzip) auch VRML lesen

  6. unknown title

    E-Print Network [OSTI]

    Geoffrey J. Barnes Andrea Litva

    The social impact of land contamination: reflections on the development of a community advocacy and counselling service following the Weston village incident

  7. unknown title

    E-Print Network [OSTI]

    C. Scoglio; J. C. De Oliveira; G. Uhl

    2001-01-01T23:59:59.000Z

    www.elsevier.com/locate/comnet Optimal policy for label switched path setup in MPLS networks q T. Anjali a,*

  8. unknown title

    E-Print Network [OSTI]

    unknown authors

    2012-01-01T23:59:59.000Z

    Graphene coating makes carbon nanotube aerogels superelastic and resistant to fatigue Kyu Hun Kim, Youngseok Oh and M. F. Islam* Lightweight materials that are both highly compressible and resilient under large cyclic strains can be used in a variety of applications 1–8. Carbon nanotubes offer a

  9. unknown title

    E-Print Network [OSTI]

    unknown authors

    In this study, our main focus is on finding alternative fuel resources and utilizing them to eliminate their negative effects. Because of the limitations of petroleum products, the used engine oils can be used in engine as engine oil after purifying it. Production of gasoline like fuel from used engine oil is involving chemical filtrations and blending process. The GLF is produced from waste engine lubrication oil (WLO) using the pyrolitic distillation method. Firstly, the WLO collected in a tank was particulates removed by a refining process. The refined lubrication oil samples were taken into a reactor and blended with some catalysts, and purified from dust, heavy carbon soot, metal particles, gum-type materials and other impurities. A fuel production system mainly consisting of a seven main parts using are waste oil storage tank, filters, a reactor, oil pump, a product storage tank, thermostats and control panel. The characteristic such as density, viscosity, flash point, heating value, sulphur content and distillation of the GLF are deliberated. The gasoline like fuel can be used in gasoline engine without any problem and increases the engine performance.

  10. unknown title

    E-Print Network [OSTI]

    David C. Kramer; Brent K. Lok; Russ R. Krug

    seen many phases of evolution. As it continues to evolve at an ever-increasing rate, base oil performance is making a larger contribution to finished lubricant performance. Turbine oils are perhaps the most dramatic example because they typically contain over 99 % base oil. Early lubrication began with animal fats and oils and slowly evolved to petroleum-based oils. Many generations of refining processes have since improved on Mother Nature. Early processes such as acid treating and solvent extraction improved the quality of base oils by removing some or most of the worst molecules from the oil. Later processes like hydrotreating, catalytic hydrocracking, catalytic dewaxing, and modern wax hydroisomerization transformed feed molecules into molecules with improved lubricating qualities. Modern wax hydroisomerization, in particular, makes base oils with very low impurities and typically water-white appearance. Now, about one third of all base oils manufactured in North America are of such high quality. Looking to the future, the trend is toward even higher base oil purity, higher viscosity index (V.I.), lower volatility, and longer life. The distinction between heavily processed mineral oils and traditional “synthetic ” oils will continue to blur. The evolution and future of base oil technology will be discussed in more detail in this paper.

  11. unknown title

    E-Print Network [OSTI]

    unknown authors

    The need for used oil conservation, recycling, and ultimate nonpolluting disposal has been a matter of increasing concern since the early 1960s. The oil embargo of 1974, the energy crisis which emerged in 1979, and as much as a tenfold increase in the price of imported crude oil have even more strongly emphasized the need for oil conservation and recycling. The U.S. Environmental Protection Agency (EPA) estimates that the U.S. annually generates approximately 1.O billion gallons of recoverable used oil (Table I). * Approximately 70 million gallons are rerefined as lubricating oils. An estimated 60 million gallons are reprocessed for use as metalworking oils and other industrial oils and an estimated 150 million gallons are sprayed on roads and for other uses. Approximately 500 million gallons are used as fuel, usually mixed with virgin residual and distillate fuels.

  12. unknown title

    E-Print Network [OSTI]

    unknown authors

    2008-01-01T23:59:59.000Z

    is a schematic of the fission theory for formation of planets and major moons. The left column is the

  13. unknown title

    E-Print Network [OSTI]

    Lalmuanpuia Vanchhawng; P. C. Rohmingliana; R. K. Thapa; R. Mishra; B. K. Sahoo; B. Zoliana; Y. S. Mayya

    2011-01-01T23:59:59.000Z

    Radon ( 222 Rn), being a radioactive gas has its parent nucleus originated from 238 U. From 238 U there is a series of 14 decays to form a stable nucleus of 206 Pb. The equilibrium factor in its simple term may be defined as ratio of the amount of progeny nucleus to that of a parent nucleus. Measurement of Equilibrium Factor (F-factor) for radon has been carried out in 24 dwellings in Aizawl City, which were specifically selected according to the site location and materials used for construction of the dwellings. In measuring F-factor for radon we have made use of absorber-mounted nuclear track detectors (LR-115) which selectively register the tracks due to alpha emissions from 214 Po which is the 222 Rn progeny species. This detector is termed as DRPS (direct radon progeny sensor). DRPS is used for estimating the Equilibrium Equivalent Radon Concentration (EERC). The concentration of 222 Rn is measured by using Solid State Nuclear Track Detector (LR-115) mounted in a BARC type twin cup dosimeter. The F-factor for radon is then calculated using the measured EERC and measured concentrations of radon. Our measurement shows the F-factor for radon in Aizawl city is 0.3, which is close to the worldwide value (0.4) for indoor conditions. Key words: DRPS; EERC; equilibrium factor; radon; progeny, SSNTD.

  14. Geochemical Evidence for an Eolian Sand Dam across the North and South Platte Rivers in Nebraska

    E-Print Network [OSTI]

    Loope, David B.

    Geochemical Evidence for an Eolian Sand Dam across the North and South Platte Rivers in Nebraska that the Nebraska Sand Hills once migrated across the North and South Platte rivers and dammed the largest tributary of the South Platte River, have compositions intermediate between the Nebraska Sand Hills (quartz

  15. AESRC 2012, Kingston March 23-25th THE "SURFACE" EXPRESSION: WHAT DO GEOCHEMICAL ANOMALIES IN

    E-Print Network [OSTI]

    IN SURFACE MEDIA AND SHALLOW SANDSTONES OVERLYING THE PHOENIX URANIUM DEPOSIT, ATHABASCA BASIN, SASKATCHEWAN to examine whether surficial geochemical anomalies exist for such a deeply buried uranium deposit. For our expression in surface media provides excellent exploration tools for deeply seated unconformity

  16. Geochemical composition and provenance discrimination of coastal sediments around Cheju Island in the southeastern Yellow Sea

    E-Print Network [OSTI]

    Yang, Shouye

    in the southeastern Yellow Sea S.Y. Yanga,b,*, D.I. Lima , H.S. Junga , B.C. Ohc a Marine Environment and Climate Change Laboratory, Korea Ocean Research and Development Institute, Ansan P.O. Box 29, Seoul 425) compositions and geochemical discrimination diagrams were revealed to be useful indices for identifying

  17. A GEOCHEMICAL MODULE FOR "AMDTreat" TO COMPUTE CAUSTIC QUANTITY, EFFLUENT QUALITY, AND SLUDGE VOLUME1

    E-Print Network [OSTI]

    of sludge produced by the treatment, a titration simulation is being developed using the geochemical program The AMDTreat computer program ( . Treatment with caustic chemicals typically is used to increase pH (6 to 8), whereas active manganese removal requires treatment to alkaline pH (~10). The treatment

  18. Measuring prehistoric mobility strategies based on obsidian geochemical and technological signatures in the Owens Valley, California

    E-Print Network [OSTI]

    Measuring prehistoric mobility strategies based on obsidian geochemical and technological; Lithic technology; LA-ICP-MS; Mobility strategies; Owens Valley 1. Introduction Obsidian studies compare the organization of obsidian flaked stone technologies in two different time periods at CA-INY-30

  19. Organic geochemical evidence for pine tar production in middle Eastern Sweden during the Roman Iron Age

    E-Print Network [OSTI]

    Organic geochemical evidence for pine tar production in middle Eastern Sweden during the Roman Iron samples were analysed for diterpenoids derived from abietic acid (mainly retene, abietic acid, dehydroa- bietic acid and methyl dehydroabietate) by Gas Chromatography-Mass Spectrometry (GC-MS) in order to test

  20. Geochemical assessment of nuclear waste isolation. Report of activities during fiscal year 1982

    SciTech Connect (OSTI)

    Not Available

    1983-07-01T23:59:59.000Z

    The status of the following investigations is reported: canister/overpack-backfill chemical interactions and mechanisms; backfill and near-field host rock chemical interactions mechanisms; far-field host rock geochemical interactions; verification and improvement of predictive algorithms for radionuclide migration; and geologic systems as analogues for long-term radioactive waste isolation.

  1. Assessing XRF for the geochemical characterization of radiolarian chert artifacts from northeastern North America

    E-Print Network [OSTI]

    Long, Bernard

    Assessing XRF for the geochemical characterization of radiolarian chert artifacts from northeastern 2012 Keywords: Chert XRF Geochemistry Non-destructive Weathering Quarries Quebec a b s t r a c-ray fluorescence (ED-XRF) as a first-order technique to determine chert whole-rock geochemistry for archaeological

  2. Paper #194973 GEOCHEMICAL CHARACTERIZATION OF THE RESERVOIR HOSTING SHALE-GAS AND OIL in

    E-Print Network [OSTI]

    Paper #194973 GEOCHEMICAL CHARACTERIZATION OF THE RESERVOIR HOSTING SHALE-GAS AND OIL a reservoir for shale-gas and oil. We examined organic-rich black shale, known as Macasty shale, of Upper SHALE-GAS AND OIL in THE SUBSURFACE OF ANTICOSTI ISLAND, CANADA Key Words: Provenance, Anticosti Island

  3. Technical Note 499 December1990

    E-Print Network [OSTI]

    Technical Note 499 · December1990 Interpretation as Abduction Jerry R. Hobbs, Mark Stickel;Interpretation as Abduction Jerry R. Hobbs, Mark Stickel, Douglas Appelt, and Paul Martin Artificial Intelligence Center SRI International Abstract Abduction is inference to the best explanation. In the TACITUS project

  4. A note on axial symmetries

    E-Print Network [OSTI]

    Christopher Beetle; Shawn Wilder

    2013-12-31T23:59:59.000Z

    This note describes a local scheme to characterize and normalize an axial Killing field on a general Riemannian geometry. No global assumptions are necessary, such as that the orbits of the Killing field all have period $2 \\pi$. Rather, any Killing field that vanishes at at least one point necessarily has the expected global properties.

  5. A method for teleporting an unknown quantum state and its application

    E-Print Network [OSTI]

    Feng-Li Yan; Hai-Rui Huo

    2005-04-28T23:59:59.000Z

    We suggest a method for teleporting an unknown quantum state. In this method the sender Alice first uses a Controlled-Not operation on the particle in the unknown quantum state and an ancillary particle which she wants to send to the receiver Bob. Then she sends ancillary particle to Bob. When Alice is informed by Bob that the ancillary particle is received, she performs a local measurement on the particle and sends Bob the outcome of the local measurement via a classical channel. Depending on the outcome Bob can restore the unknown quantum state, which Alice destroyed, on the ancillary particle successfully. As an application of this method we propose a quantum secure direct communication protocol.

  6. NOTE: OPTIMAL NON-HOMOGENEOUS COMPOSITES FOR ...

    E-Print Network [OSTI]

    R. Tavakoli

    2012-10-02T23:59:59.000Z

    NOTE: OPTIMAL NON-HOMOGENEOUS COMPOSITES FOR. DYNAMIC LOADING REVISITED. R. TAVAKOLI. 1. Problem formulation. Consider ? ? Rd (

  7. THOMSON SCIENTIFIC EndNote Web

    E-Print Network [OSTI]

    texto. · Armazenar até 10.000 referências em sua base de dados pessoal (EndNote Web Library), pro resultados das pesquisas diretamente em sua base de dados pessoal do EndNote Web clicando no botão "Save to EndNote Web". As referências sal- vas em sua base de dados pessoal do EndNote Web serão exibidas com

  8. OFFSHORE WIND FARMS Guidance note for Environmental

    E-Print Network [OSTI]

    OFFSHORE WIND FARMS Guidance note for Environmental Impact Assessment In respect of FEPA and CPA requirements Version 2 - June 2004 #12;Offshore Wind Farms: Guidance Note for Environmental Impact Assessment 2004 #12;Offshore Wind Farms: Guidance Note for Environmental Impact Assessment in Respect of FEPA

  9. DANE TECHNICAL NOTE INFN -LNF, Accelerator Division

    E-Print Network [OSTI]

    Istituto Nazionale di Fisica Nucleare (INFN)

    K K DANE TECHNICAL NOTE INFN - LNF, Accelerator Division Frascati, March 10, 1997 Note: BM-1 BUNCH current. This measurement allows to calculate energy losses due to parasitic beam-vacuum chamber losses. In this Note we present results of the measurements and their analysis, comparing the results

  10. Going Home Through an Unknown Street \\Lambda Alejandro L'opezOrtiz y Sven Schuierer z

    E-Print Network [OSTI]

    López-Ortiz, Alex

    consider the problem of a robot traversing an unknown polygon with the aid of standard visibility. The robot has to find a path from a starting point s to a target point t. We provide upper and lower bounds on the ratio of the distance traveled by the robot in comparison to the length of a shortest path. Since

  11. Ontology based Holonic Diagnostic System (OHDS) for the Research and Control of Unknown Diseases

    E-Print Network [OSTI]

    Ulieru, Mihaela

    Ontology based Holonic Diagnostic System (OHDS) for the Research and Control of Unknown Diseases Alberta, Canada Email: ulieru@ucalgary.ca Abstract - This paper presents an Ontology-based Holonic Diagnostic System (OHDS) that combines the advantages of the holonic paradigm with multi-agent system

  12. Kalman filtering with unknown inputs via optimal state estimation of singular systems

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    1 Kalman filtering with unknown inputs via optimal state estimation of singular systems M. DAROUACH de Lorraine, 54400 COSNES ET ROMAIN, FRANCE A new method for designing a Kalman filter for linear the Kalman filter, it is generally assumed that all system parameters, noise covariances, and inputs

  13. Fault-Tolerant Exploration of an Unknown Dangerous Graph by Scattered Agents

    E-Print Network [OSTI]

    Flocchini, Paola

    Fault-Tolerant Exploration of an Unknown Dangerous Graph by Scattered Agents Paola Flocchini1 a network where there are dangerous sites (black holes) that eliminate any incoming searcher without leaving a discernible trace. Dangerous graph exploration (Dge) extends the Bhs problem to include dangerous links (black

  14. Direct adaptive suppression of multiple unknown vibrations using an inertial actuator

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    principle and the Youla- Kucera parametrization. Index Terms-- direct adaptive regulation, internal model realization are practically constant. The correspond- ing "control plant model" to be used for control design are in the context of an adaptive regulation problem with a known plant model and an unknown disturbance model

  15. TURBO EQUALIZATIONWITH AN UNKNOWN CHANNEL SeongwookSong', Andrew C. Singer2,Koeng-MoSun?

    E-Print Network [OSTI]

    Singer, Andrew C

    TURBO EQUALIZATIONWITH AN UNKNOWN CHANNEL SeongwookSong', Andrew C. Singer2,Koeng-MoSun? l t 2Univ the method of turbo equalization originally de- veloped by Douillard, et al. [3]. In its original form, turbo and without training data. The resultingjoint channeland data estimator is shown to outperform standard turbo

  16. Geochemical and isotopic results for groundwater, drainage waters, snowmelt, permafrost, precipitation in Barrow, Alaska (USA) 2012-2013

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

    Wilson, Cathy; Newman, Brent; Heikoop, Jeff

    Data include a large suite of analytes (geochemical and isotopic) for samples collected in Barrow, Alaska (2012-2013). Sample types are indicated, and include soil pore waters, drainage waters, snowmelt, precipitation, and permafrost samples.

  17. Origin of geochemical heterogeneity in the mantle : constraints from volcanism associated with Hawaiian and Kerguelen mantle plumes

    E-Print Network [OSTI]

    Xu, Guangping

    2007-01-01T23:59:59.000Z

    Lavas derived from long-lived mantle plumes provide important information of mantle compositions and the processes that created the geochemical heterogeneity within the mantle. Kerguelen and Hawaii are two long-lived mantle ...

  18. Geochemical factors affecting radionuclide transport through near and far fields at a Low-Level Waste Disposal Site

    SciTech Connect (OSTI)

    Kaplan, D.I.; Seme, R.J. [Pacific Northwest Lab., Richland, WA (United States); Piepkho, M.G. [Westinghouse Hanford Co., Richland, WA (United States)

    1995-03-01T23:59:59.000Z

    The concentration of low-level waste (LLW) contaminants in groundwater is determined by the amount of contaminant present in the solid waste, rate of release from the waste and surrounding barriers, and a number of geochemical processes including adsorption, desorption, diffusion, precipitation, and dissolution. To accurately predict radionuclide transport through the subsurface, it is essential that the important geochemical processes affecting radionuclide transport be identified and, perhaps more importantly, accurately quantified and described in a mathematically defensible manner.

  19. Geochemical evolution of highly alkaline and saline tank wasteplumes during seepage through vadose zone sediments

    SciTech Connect (OSTI)

    Wan, Jiamin; Tokunaga, Tetsu K.; Larsen, Joern T.; Serne, R. Jeff

    2002-12-01T23:59:59.000Z

    Leakage of highly saline and alkaline radioactive waste from storage tanks into underlying sediments is a serious environmental problem at the Hanford Site in Washington State. This study focuses on geochemical evolution of tank waste plumes resulting from interactions between the waste solution and sediment. A synthetic tank waste solution was infused into unsaturated Hanford sediment columns (0.2, 0.6, and 2 m )maintained at 70 C to simulate the field contamination process. Spatially and temporally resolved geochemical profiles of the waste plume were obtained. Thorough OH- neutralization (from an initial pH 14 down to 6.3) was observed. Three broad zones of pore solutions were identified to categorize the dominant geochemical reactions: the silicate dissolution zone (pH>10), pH-neutralized zone (pH 10 to 6.5), and displaced native sediment pore water (pH 6.5 to 8). Elevated concentrations of Si, Fe, and K in plume fluids and their depleted concentrations in plume sediments reflected dissolution of primary minerals within the silicate dissolution zone. The very high Na concentrations in the waste solution resulted in rapid and complete cation exchange, reflected in high concentrations of Ca and Mg at the plume front. The plume-sediment profiles also showed deposition of hydrated solids and carbonates. Fair correspondence was obtained between these results and analyses of field borehole samples from a waste plume at the Hanford Site. Results of this study provide a well-defined framework for understanding waste plumes in the more complex field setting and for understanding geochemical factors controlling transport of contaminant species carried in waste solutions that leaked from single-shell storage tanks in the past.

  20. Geochemical evolution of highly alkaline and saline tank waste plumes during seepage through vadose zone sediments

    SciTech Connect (OSTI)

    Wan, Jiamin; Tokunaga, Tetsu K.; Larsen, Joern T.; Serne, R JEFFREY.

    2004-02-01T23:59:59.000Z

    Leakage of highly saline and alkaline radioactive waste from storage tanks into underlying sediments is a serious environmental problem at the Hanford Site in Washington State. This study focuses on geochemical evolution of tank waste plumes resulting from interactions between the waste solution and sediment. A synthetic tank waste solution was infused into unsaturated Hanford sediment columns (0.2, 0.6, and 2 m) maintained at 70C to simulate the field contamination process. Spatially and temporally resolved geochemical profiles of the waste plume were obtained. Thorough OH neutralization (from an initial pH 14 down to 6.3) was observed. Three broad zones of pore solutions were identified to categorize the dominant geochemical reactions: the silicate dissolution zone (pH > 10), pH-neutralized zone (pH 10 to 6.5), and displaced native sediment pore water (pH 6.5 to 8). Elevated concentrations of Si, Fe, and K in plume fluids and their depleted concentrations in plume sediments reflected dissolution of primary minerals within the silicate dissolution zone. The very high Na concentrations in the waste solution resulted in rapid and complete cation exchange, reflected in high concentrations of Ca and Mg at the plume front. The plume-sediment profiles also showed deposition of hydrated solids and carbonates. Fair correspondence was obtained between these results and analyses of field borehole samples from a waste plume at the Hanford Site. Results of this study provide a well-defined framework for understanding waste plumes in the more complex field setting and for understanding geochemical factors controlling transport of contaminant species carried in waste solutions that leaked from single-shell storage tanks in the past.

  1. Kinetics of Uranium(VI) Desorption from Contaminated Sediments: Effect of Geochemical Conditions and Model Evaluation

    SciTech Connect (OSTI)

    Liu, Chongxuan; Shi, Zhenqing; Zachara, John M.

    2009-09-01T23:59:59.000Z

    Stirred-flow cell experiments were performed to investigate the kinetics of uranyl [U(VI)] desorption from a contaminated sediment collected from the Hanford 300 Area at the US Department of Energy (DOE) Hanford Site, Washington. Three influent solutions of variable pH, Ca and carbonate concentrations that affected U(VI) aqueous and surface speciation were used under dynamic flow conditions to evaluate the effect of geochemical conditions on the rate of U(VI) desorption. The measured rate of U(VI) desorption varied with solution chemical composition that evolved as a result of thermodynamic and kinetic interactions between the influent solutions and sediment. The solution chemical composition that led to a lower equilibrium U(VI) sorption to the solid phase yielded a faster desorption rate. The experimental results were used to evaluate a multi-rate, surface complexation model (SCM) that has been proposed to describe U(VI) desorption kinetics in the Hanford sediment that contained complex sorbed U(VI) species in mass transfer limited domains. The model was modified and supplemented by including multi-rate, ion exchange reactions to describe the geochemical interactions between the solutions and sediment. With the same set of model parameters, the modified model reasonably well described the evolution of major ions and the rates of U(VI) desorption under variable geochemical and flow conditions, implying that the multi-rate SCM is an effective way to describe U(VI) desorption kinetics in subsurface sediments.

  2. Geochemical Data Package for Performance Assessment Calculations Related to the Savannah River Site

    SciTech Connect (OSTI)

    Kaplan, D

    2006-02-28T23:59:59.000Z

    The Savannah River Site disposes of certain types of radioactive waste within subsurface-engineered facilities. One of the tools used to establish the capacity of a given site to safely store radioactive waste (i.e., that a site does not exceed its Waste Acceptance Criteria) is the Performance Assessment (PA). The objective of this document is to provide the geochemical values for the PA calculations. This work is being conducted as part of the on-going maintenance program that permits the PA to periodically update existing calculations when new data becomes available. Because application of values without full understanding of their original purpose may lead to misuse, this document also provides the geochemical conceptual model, approach used for selecting the values, the justification for selecting data, and the assumptions made to assure that the conceptual and numerical geochemical models are reasonably conservative (i.e., reflect conditions that will tend to predict the maximum risk to the hypothetical recipient). The geochemical parameters describe transport processes for 38 elements (>90 radioisotopes) potentially occurring within eight disposal units (Slit Trenches, Engineered Trenches, Low Activity Waste (LAW) Vault, Intermediate Level (ILV) Vaults, TRU-Pad-1, Naval Reactor Waste Pads, Components-in-Grout Trenches, and Saltstone Facility). This work builds upon well-documented work from previous PA calculations (McDowell-Boyer et al. 2000). The new geochemical concepts introduced in this data package are: (1) In the past, solubility products were used only in a few conditions (element existing in a specific environmental setting). This has been expanded to >100 conditions. (2) Radionuclide chemistry in cementitious environments is described through the use of both the Kd and apparent solubility concentration limit. Furthermore, the solid phase is assumed to age during the assessment period (thousands of years), resulting in three main types of controlling solid phases, each possessing a unique set of radionuclide sorption parameters (Kd and solubility concentration limit). (3) A large amount of recent site-specific sorption research has been conducted since the last PA (McDowell-Boyer et al. 2000). These new data have replaced previous Kd values derived from literature values, thus reducing uncertainty and improving accuracy. Finally, because this document will be used by future PA calculations and external acceptance of the document will eventually be required, this document was extensively reviewed. The review process, including the internal review, site review, and external review process is described.

  3. Thermodynamic Data for Geochemical Modeling of Carbonate Reactions Associated with CO2 Sequestration – Literature Review

    SciTech Connect (OSTI)

    Krupka, Kenneth M.; Cantrell, Kirk J.; McGrail, B. Peter

    2010-09-28T23:59:59.000Z

    Permanent storage of anthropogenic CO2 in deep geologic formations is being considered as a means to reduce the concentration of atmospheric CO2 and thus its contribution to global climate change. To ensure safe and effective geologic sequestration, numerous studies have been completed of the extent to which the CO2 migrates within geologic formations and what physical and geochemical changes occur in these formations when CO2 is injected. Sophisticated, computerized reservoir simulations are used as part of field site and laboratory CO2 sequestration studies. These simulations use coupled multiphase flow-reactive chemical transport models and/or standalone (i.e., no coupled fluid transport) geochemical models to calculate gas solubility, aqueous complexation, reduction/oxidation (redox), and/or mineral solubility reactions related to CO2 injection and sequestration. Thermodynamic data are critical inputs to modeling geochemical processes. The adequacy of thermodynamic data for carbonate compounds has been identified as an important data requirement for the successful application of these geochemical reaction models to CO2 sequestration. A review of thermodynamic data for CO2 gas and carbonate aqueous species and minerals present in published data compilations and databases used in geochemical reaction models was therefore completed. Published studies that describe mineralogical analyses from CO2 sequestration field and natural analogue sites and laboratory studies were also reviewed to identify specific carbonate minerals that are important to CO2 sequestration reactions and therefore require thermodynamic data. The results of the literature review indicated that an extensive thermodynamic database exists for CO2 and CH4 gases, carbonate aqueous species, and carbonate minerals. Values of ?fG298° and/or log Kr,298° are available for essentially all of these compounds. However, log Kr,T° or heat capacity values at temperatures above 298 K exist for less than approximately one-third of these compounds. Because the temperatures of host formations that will be used for CO2 injection and sequestration will be at tempera¬tures in the range of 50ºC to 100ºC or greater, the lack of high temperature thermodynamic values for key carbonate compounds especially minerals, will impact the accuracy of some modeling calculations.

  4. Study of solar and other unknown anti-neutrino fluxes with Borexino at LNGS

    E-Print Network [OSTI]

    G. Bellini; Borexino Collaboration

    2010-09-30T23:59:59.000Z

    We report on the search for anti-neutrinos of yet unknown origin with the Borexino detector at the Laboratori Nazionali del Gran Sasso. In particular, a hypothetical anti-neutrino flux from the Sun is investigated. Anti-neutrinos are detected through the neutron inverse $\\beta$ decay reaction in a large liquid organic scintillator target. We set a new upper limit for a hypothetical solar $\\bar{\

  5. Lecture notes for criticality safety

    SciTech Connect (OSTI)

    Fullwood, R.

    1992-03-01T23:59:59.000Z

    These lecture notes for criticality safety are prepared for the training of Department of Energy supervisory, project management, and administrative staff. Technical training and basic mathematics are assumed. The notes are designed for a two-day course, taught by two lecturers. Video tapes may be used at the options of the instructors. The notes provide all the materials that are necessary but outside reading will assist in the fullest understanding. The course begins with a nuclear physics overview. The reader is led from the macroscopic world into the microscopic world of atoms and the elementary particles that constitute atoms. The particles, their masses and sizes and properties associated with radioactive decay and fission are introduced along with Einstein's mass-energy equivalence. Radioactive decay, nuclear reactions, radiation penetration, shielding and health-effects are discussed to understand protection in case of a criticality accident. Fission, the fission products, particles and energy released are presented to appreciate the dangers of criticality. Nuclear cross sections are introduced to understand the effectiveness of slow neutrons to produce fission. Chain reactors are presented as an economy; effective use of the neutrons from fission leads to more fission resulting in a power reactor or a criticality excursion. The six-factor formula is presented for managing the neutron budget. This leads to concepts of material and geometric buckling which are used in simple calculations to assure safety from criticality. Experimental measurements and computer code calculations of criticality are discussed. To emphasize the reality, historical criticality accidents are presented in a table with major ones discussed to provide lessons-learned. Finally, standards, NRC guides and regulations, and DOE orders relating to criticality protection are presented.

  6. Reconstruction of an unknown cavity with Robin boundary condition inside a heat conductor

    E-Print Network [OSTI]

    Gen Nakamura; Haibing Wang

    2015-05-22T23:59:59.000Z

    Active thermography is a non-destructive testing technique to detect the internal structure of a heat conductor, which is widely applied in industrial engineering. In this paper, we consider the problem of identifying an unknown cavity with Robin boundary condition inside a heat conductor from boundary measurements. To set up the inverse problem mathematically, we first state the corresponding forward problem and show its well-posedness in an anisotropic Sobolev space by the integral equation method. Then, taking the Neumann-to-Dirichlet map as mathematically idealized measured data for the active thermography, we present a linear sampling method for reconstructing the unknown Robin-type cavity and give its mathematical justification by using the layer potential argument. In addition, we analyze the indicator function used in this method and show its pointwise asymptotic behavior by investigating the reflected solution of the fundamental solution. From our asymptotic analysis, we can establish a pointwise reconstruction scheme for the boundary of the cavity, and can also know the distance to the unknown cavity as we probe it from its inside.

  7. EndNote X5 Basics What is EndNote?

    E-Print Network [OSTI]

    will need to choose between two installation types ­ Typical or Custom. If you choose Typical, you. This guide will show you the following basic steps for using EndNote: Opening or creating an EndNote Library Adding bibliographic references or citations to your library Using EndNote with Microsoft Word

  8. Remote Raman - laser induced breakdown spectroscopy (LIBS) geochemical investigation under Venus atmospheric conditions

    SciTech Connect (OSTI)

    Clegg, Sanuel M [Los Alamos National Laboratory; Barefield, James E [Los Alamos National Laboratory; Humphries, Seth D [Los Alamos National Laboratory; Wiens, Roger C [Los Alamos National Laboratory; Vaniman, D. T. [Los Alamos National Laboratory; Sharma, S. K. [UNIV OF HAWAII; Misra, A. K. [UNIV OF HAWAII; Dyar, M. D. [MT. HOLYOKE COLLEGE; Smrekar, S. E. [JET PROPULSION LAB.

    2010-12-13T23:59:59.000Z

    The extreme Venus surface temperatures ({approx}740 K) and atmospheric pressures ({approx}93 atm) create a challenging environment for surface missions. Scientific investigations capable of Venus geochemical observations must be completed within hours of landing before the lander will be overcome by the harsh atmosphere. A combined remote Raman - LIBS (Laser Induced Breakdown Spectroscopy) instrument is capable of accomplishing the geochemical science goals without the risks associated with collecting samples and bringing them into the lander. Wiens et al. and Sharma et al. demonstrated that both analytical techniques can be integrated into a single instrument capable of planetary missions. The focus of this paper is to explore the capability to probe geologic samples with Raman - LIBS and demonstrate quantitative analysis under Venus surface conditions. Raman and LIBS are highly complementary analytical techniques capable of detecting both the mineralogical and geochemical composition of Venus surface materials. These techniques have the potential to profoundly increase our knowledge of the Venus surface composition, which is currently limited to geochemical data from Soviet Venera and VEGA landers that collectively suggest a surface composition that is primarily tholeiitic basaltic with some potentially more evolved compositions and, in some locations, K-rich trachyandesite. These landers were not equipped to probe the surface mineralogy as can be accomplished with Raman spectroscopy. Based on the observed compositional differences and recognizing the imprecise nature of the existing data, 15 samples were chosen to constitute a Venus-analog suite for this study, including five basalts, two each of andesites, dacites, and sulfates, and single samples of a foidite, trachyandesite, rhyolite, and basaltic trachyandesite under Venus conditions. LIBS data reduction involved generating a partial least squares (PLS) model with a subset of the rock powder standards to quantitatively determine the major elemental abundance of the remaining samples. PLS analysis suggests that the major element compositions can be determined with root mean square errors ca. 5% (absolute) for SiO{sub 2}, Al{sub 2}O{sub 3}, Fe{sub 2}O{sub 3}(total), MgO, and CaO, and ca. 2% or less for TiO{sub 2}, Cr{sub 2}O{sub 3}, MnO, K{sub 2}O, and Na{sub 2}O. Finally, the Raman experiments have been conducted under supercritical CO{sub 2} involving single-mineral and mixed-mineral samples containing talc, olivine, pyroxenes, feldspars, anhydrite, barite, and siderite. The Raman data have shown that the individual minerals can easily be identified individually or in mixtures.

  9. TESLA-LNF TECHNICAL NOTE Divisione Acceleratori

    E-Print Network [OSTI]

    TESLA-LNF TECHNICAL NOTE _____________ Divisione Acceleratori Frascati, November 20, 2003 Note: TESLA Report 2003-26 TESLA DAMPING RING: INJECTION/EXTRACTION SCHEMES WITH RF DEFLECTORS D. Alesini, S/extraction schemes in the Damping Ring of TESLA using RF deflectors. We illustrate different possible solutions using

  10. DANE TECHNICAL NOTE INFN -LNF, Accelerator Division

    E-Print Network [OSTI]

    Istituto Nazionale di Fisica Nucleare (INFN)

    (Chairman) F. Willeke, DESY 1. Follow up of previous Meeting The first report by the DANE Machine AdvisoryK K DANE TECHNICAL NOTE INFN - LNF, Accelerator Division Frascati, May 11, 2000 Note: G-55 Report by DANE Machine Advisory Panel on 2nd Meeting held on 4-5 May 2000 J. M. Jowett, CERN S. Myers, CERN

  11. DANE TECHNICAL NOTE INFN -LNF, Accelerator Division

    E-Print Network [OSTI]

    Istituto Nazionale di Fisica Nucleare (INFN)

    KKKK KKKK DANE TECHNICAL NOTE INFN - LNF, Accelerator Division Frascati, January 13, 1993 Note: IR to see how much heat has to be removed. The two main sources of heat are: 1) Resistive losses due. Technol. 5(6) 3446 (1987). #12;IR-1 pg. 6 APPENDIX IA Losses in the I.R. 1) Resistive losses in Be: dp dz

  12. BNL/SNS TECHNICAL NOTE R. Witkover

    E-Print Network [OSTI]

    BNL/SNS TECHNICAL NOTE NO. 049 R. Witkover September 23, 1998 ALTERNATING GRADIENT SYNCHROTRON-In-Gap" Monitor for the Spallation Neutron Source #12;SNS Technical Note Considerations in Designing a "Beam of approximately 550 nsec. With a design intensity of 1014 per pulse, un-controlled losses must be kept to a level

  13. DANE TECHNICAL NOTE INFN -LNF, Accelerator Division

    E-Print Network [OSTI]

    Istituto Nazionale di Fisica Nucleare (INFN)

    KKKK KKKK DANE TECHNICAL NOTE INFN - LNF, Accelerator Division Frascati, October 26, 1994 Note: RF enough (i.e. if the parasitic losses are low with respect to the energy left by each passing bunch-zero longitudinal electric field on the cavity axis. Being azimuthally symmetric, it is possible to calculate them

  14. DANE TECHNICAL NOTE INFN -LNF, Accelerator Division

    E-Print Network [OSTI]

    Istituto Nazionale di Fisica Nucleare (INFN)

    K K DANE TECHNICAL NOTE INFN - LNF, Accelerator Division Frascati, July 16, 1996 Note: RF-19 losses and prevents to reach the operating voltage range. The RF cavity of the DANE -Factory Accumulator and electrical conductivities. Multipactoring (MP) is a phenomenon of resonant electron discharge which can occur

  15. DANE TECHNICAL NOTE INFN -LNF, Accelerator Division

    E-Print Network [OSTI]

    Istituto Nazionale di Fisica Nucleare (INFN)

    K K DANE TECHNICAL NOTE INFN - LNF, Accelerator Division Frascati, December 14, 1995 Note: CD-5, are also needed in order to minimise the losses. In order to use this device as a transverse kicker, two) excitation. #12;CD-5 pg. 3 The combined magnetic and electric field gives a net deflecting Lorentz force

  16. DANE TECHNICAL NOTE INFN -LNF, Accelerator Division

    E-Print Network [OSTI]

    Istituto Nazionale di Fisica Nucleare (INFN)

    KKKK KKKK DANE TECHNICAL NOTE INFN - LNF, Accelerator Division Frascati, Sept. 26, 1991 Note: RF-4 and vacuum simpler and less expensive. The cavity will be made of copper which has better electrical and thermal conductivity to reduce the RF losses and keep the cooling easier. #12;RF-4 pg. 2 Multipacting (MP

  17. Portable total reflection x-ray fluorescence analysis in the identification of unknown laboratory hazards

    SciTech Connect (OSTI)

    Liu, Ying, E-mail: liu.ying.48r@st.kyoto-u.ac.jp; Imashuku, Susumu; Sasaki, Nobuharu; Ze, Long; Kawai, Jun [Department of Materials Science and Engineering, Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501 (Japan); Takano, Shotaro; Sohrin, Yoshiki [Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011 (Japan); Seki, Hiroko; Miyauchi, Hiroya [Kyoto Prefectural Technology Center for Small and Medium Enterprises, Chudojiminami machi, Shimogyo-ku, Kyoto 600-8813 (Japan)

    2014-05-15T23:59:59.000Z

    In this study, a portable total reflection x-ray fluorescence (TXRF) spectrometer was used to analyze unknown laboratory hazards that precipitated on exterior surfaces of cooling pipes and fume hood pipes in chemical laboratories. With the aim to examine the accuracy of TXRF analysis for the determination of elemental composition, analytical results were compared with those of wavelength-dispersive x-ray fluorescence spectrometry, scanning electron microscope and energy-dispersive x-ray spectrometry, energy-dispersive x-ray fluorescence spectrometry, inductively coupled plasma atomic emission spectrometry, x-ray diffraction spectrometry (XRD), and x-ray photoelectron spectroscopy (XPS). Detailed comparison of data confirmed that the TXRF method itself was not sufficient to determine all the elements (Z?>?11) contained in the samples. In addition, results suggest that XRD should be combined with XPS in order to accurately determine compound composition. This study demonstrates that at least two analytical methods should be used in order to analyze the composition of unknown real samples.

  18. Geochemical fluid characteristics and main achievements about tracer tests at Soultz-sous-Forts (France) 1 EC Contract SES6-CT-2003-502706

    E-Print Network [OSTI]

    Boyer, Edmond

    Geochemical fluid characteristics and main achievements about tracer tests at Soultz Related with Work Package WP1a (Short term fluid circulation tests) and WP1c (Data acquisition) GEOCHEMICAL FLUID CHARACTERISTICS AND MAIN ACHIEVEMENTS ABOUT TRACER TESTS AT SOULTZ-SOUS-FORÃ?TS (FRANCE

  19. Up-Scaling Geochemical Reaction Rates for Carbon Dioxide (CO2) in Deep Saline Aquifers

    SciTech Connect (OSTI)

    Lindquist, W Brent

    2009-03-03T23:59:59.000Z

    The overall goal of the project was to bridge the gap between our knowledge of small-scale geochemical reaction rates and reaction rates meaningful for modeling transport at core scales. The working hypothesis was that reaction rates, determined from laboratory measurements based upon reactions typically conducted in well mixed batch reactors using pulverized reactive media may be significantly changed in in situ porous media flow due to rock microstructure heterogeneity. Specifically we hypothesized that, generally, reactive mineral surfaces are not uniformly accessible to reactive fluids due to the random deposition of mineral grains and to the variation in flow rates within a pore network. Expected bulk reaction rates would therefore have to be correctly up-scaled to reflect such heterogeneity. The specific objective was to develop a computational tool that integrates existing measurement capabilities with pore-scale network models of fluid flow and reactive transport. The existing measurement capabilities to be integrated consisted of (a) pore space morphology, (b) rock mineralogy, and (c) geochemical reaction rates. The objective was accomplished by: (1) characterizing sedimentary sandstone rock morphology using X-ray computed microtomography, (2) mapping rock mineralogy using back-scattered electron microscopy (BSE), X-ray dispersive spectroscopy (EDX) and CMT, (3) characterizing pore-accessible reactive mineral surface area, and (4) creating network models to model acidic CO{sub 2} saturated brine injection into the sandstone rock samples.

  20. Geochemical Implications of CO2 Leakage Associated with Geologic Storage: A Review

    SciTech Connect (OSTI)

    Harvey, Omar R.; Qafoku, Nikolla; Cantrell, Kirk J.; Brown, Christopher F.

    2012-07-09T23:59:59.000Z

    Leakage from deep storage reservoirs is a major risk factor associated with geologic sequestration of carbon dioxide (CO2). Different scientific theories exist concerning the potential implications of such leakage for near-surface environments. The authors of this report reviewed the current literature on how CO2 leakage (from storage reservoirs) would likely impact the geochemistry of near surface environments such as potable water aquifers and the vadose zone. Experimental and modeling studies highlighted the potential for both beneficial (e.g., CO2 re sequestration or contaminant immobilization) and deleterious (e.g., contaminant mobilization) consequences of CO2 intrusion in these systems. Current knowledge gaps, including the role of CO2-induced changes in redox conditions, the influence of CO2 influx rate, gas composition, organic matter content and microorganisms are discussed in terms of their potential influence on pertinent geochemical processes and the potential for beneficial or deleterious outcomes. Geochemical modeling was used to systematically highlight why closing these knowledge gaps are pivotal. A framework for studying and assessing consequences associated with each factor is also presented in Section 5.6.

  1. Investigating the Selection of Example Sentences for Unknown Target Words in ICALL Reading Texts for L2 German 

    E-Print Network [OSTI]

    Segler, Thomas M.

    2007-06-26T23:59:59.000Z

    This thesis considers possible criteria for the selection of example sentences for difficult or unknown words in reading texts for students of German as a Second Language (GSL). The examples are intended to be provided ...

  2. Simple scheme for encoding and decoding a qubit in unknown state for various topological codes

    E-Print Network [OSTI]

    Justyna ?odyga; Pawe? Mazurek; Andrzej Grudka; Micha? Horodecki

    2014-11-29T23:59:59.000Z

    We present a scheme for encoding and decoding an unknown state for CSS codes, based on syndrome measurements. We illustrate our method by means of Kitaev toric code, defected-lattice code, topological subsystem code and Haah 3D code. The protocol is local whenever in a given code the crossings between the logical operators consist of next neighbour pairs, which holds for the above codes. For subsystem code we also present scheme in a noisy case, where we allow for bit and phase-flip errors on qubits as well as state preparation and syndrome measurement errors. Similar scheme can be built for two other codes. We show that the fidelity of the protected qubit in the noisy scenario in a large code size limit is of $1-\\mathcal{O}(p)$, where $p$ is a probability of error on a single qubit. Regarding Haah code we provide noiseless scheme, leaving the noisy case as an open problem.

  3. Information and treatment of unknown correlations in the combination of measurements using the BLUE method

    E-Print Network [OSTI]

    Andrea Valassi; Roberto Chierici

    2014-01-15T23:59:59.000Z

    We discuss the effect of large positive correlations in the combinations of several measurements of a single physical quantity using the Best Linear Unbiased Estimate (BLUE) method. We suggest a new approach for comparing the relative weights of the different measurements in their contributions to the combined knowledge about the unknown parameter, using the well-established concept of Fisher information. We argue, in particular, that one We discuss the effect of large positive correlations in the combinations of several measurements of a single physical quantity using the Best Linear Unbiased Estimate (BLUE) method. We suggest a new approach for comparing the relative weights of the different measurements in their contributions to the combined knowledge about the unknown parameter, using the well-established concept of Fisher information. We argue, in particular, that one contribution to information comes from the collective interplay of the measurements through their correlations and that this contribution cannot be attributed to any of the individual measurements alone. We show that negative coefficients in the BLUE weighted average invariably indicate the presence of a regime of high correlations, where the effect of further increasing some of these correlations is that of reducing the error on the combined estimate. In these regimes, we stress that assuming fully correlated systematic uncertainties is not a truly conservative choice, and that the correlations provided as input to BLUE combinations need to be assessed with extreme care instead. In situations where the precise evaluation of these correlations is impractical, or even impossible, we provide tools to help experimental physicists perform more conservative combinations.

  4. Workshop Notes from ""Compressed Natural Gas and Hydrogen Fuels...

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

    Workshop Notes from ""Compressed Natural Gas and Hydrogen Fuels: Lessons Learned for the Safe Deployment of Vehicles"" Workshop, December 10-11, 2009 Workshop Notes from...

  5. Notes on Slovene and Slavic Etymology

    E-Print Network [OSTI]

    Hamp, Eric P.

    1997-01-01T23:59:59.000Z

    The notes present critiques of F. Bezlaj's Etymological Dictionary of the Slovene Language and new proposals for the etymology of the words krma 'animal feed', Krma (toponym), kašelj 'cough', ogenj 'flame, fire', and oglje 'charcoal'....

  6. A. La Rosa Lecture Notes APPLIED OPTICS

    E-Print Network [OSTI]

    A. La Rosa Lecture Notes APPLIED OPTICS _______________________________________________________________________________ The variational principle and ray propagation The ray equation Propagation on a lenslike media: GRIN lenses Ref: A. Yariv and P. Yeh, "Photonics," Oxford University Press. Chapter 2. The ray equation obtained from

  7. A. La Rosa Lecture Notes APPLIED OPTICS

    E-Print Network [OSTI]

    _______________________________________________________________________________ Rays and Optical beams Ref: A. Yariv and P. Yeh, "Photonics," Oxford University Press. Chapter 2. IA. La Rosa Lecture Notes APPLIED OPTICS. Ray Matrices I.A Special cases Case: Propagation through a thin lens Case: Propagation through

  8. Data Mining and Knowledge Discovery: Practice Notes

    E-Print Network [OSTI]

    Novak, Petra Kralj

    1 Data Mining and Knowledge Discovery: Practice Notes Petra Kralj Novak Petra.Kralj.Novak@ijs.si and exam · 2013/1/15: Written exam, seminar proposal discussion · 2013/2/12: Data mining seminar

  9. Data Mining and Knowledge Discovery: Practice Notes

    E-Print Network [OSTI]

    Novak, Petra Kralj

    1 Data Mining and Knowledge Discovery: Practice Notes Petra Kralj Novak Petra.Kralj.Novak@ijs.si on Weka 3: Descriptive data mining ­ Discussion about seminars and exam · 2013/12/16: Written exam

  10. Lecture Notes in Secret Sharing Carles Padro

    E-Print Network [OSTI]

    Lecture Notes in Secret Sharing Carles Padr´o Nanyang Technological University, Singapore Version 2.7 Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2 Secret Sharing.2 Secret Sharing Schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.3 Threshold Secret

  11. Coupled Geochemical and Hydrological Processes Governing the Fate and Transport of Radionuclides and Toxic Metals Beneath the Hanford Tank Farms

    SciTech Connect (OSTI)

    Scott Fendorf; Phil Jardine

    2006-07-21T23:59:59.000Z

    The goal of this research was to provide an improved understanding and predictive capability of coupled hydrological and geochemical mechanisms that are responsible for the accelerated migration and immobilization of radionuclides and toxic metals in the badose zone beneath the Hanford Tank Farms.

  12. Age, geochemical and SrNdPb isotopic constraints for mantle source characteristics and petrogenesis of Teru Volcanics,

    E-Print Network [OSTI]

    Stern, Robert J.

    Age, geochemical and Sr­Nd­Pb isotopic constraints for mantle source characteristics and petrogenesis of Teru Volcanics, Northern Kohistan Terrane, Pakistan S.D. Khana,*, R.J. Sternb , M.I. Mantonb, University of Peshawar, Pakistan Accepted 21 April 2004 Available online 23 September 2004 Abstract

  13. Geological, geochemical, and geophysical survey of the geothermal resources at Hot Springs Bay Valley, Akutan Island, Alaska

    SciTech Connect (OSTI)

    Motyka, R.J.; Wescott, E.M.; Turner, D.L.; Swanson, S.E.; Romick, J.D.; Moorman, M.A.; Poreda, R.J.; Witte, W.; Petzinger, B.; Allely, R.D.

    1985-01-01T23:59:59.000Z

    An extensive survey was conducted of the geothermal resource potential of Hot Springs Bay Valley on Akutan Island. A topographic base map was constructed, geologic mapping, geophysical and geochemical surveys were conducted, and the thermal waters and fumarolic gases were analyzed for major and minor element species and stable isotope composition. (ACR)

  14. Oxygen is a key element for biology and the cycling of geochemical elements, and has shaped the chemical

    E-Print Network [OSTI]

    Handy, Todd C.

    Oxygen is a key element for biology and the cycling of geochemical elements, and has shaped the chemical and biological evolution of Earth. The oceans appear to be loosing oxygen due to on-going climate change, with resulting impacts on marine ecosystems and global biogeochemical cycles. As oxygen levels

  15. Geochemical evidence of a near-surface history for source rocks of the central Coast Mountains Batholith, British Columbia

    E-Print Network [OSTI]

    Wetmore, Paul H.

    Geochemical evidence of a near-surface history for source rocks of the central Coast Mountains to ,50 Ma, indicate that the source regions for these rocks were relatively uniform and typical abundance of deep crustal or upper-mantle source rocks (DePaolo 1981; Kistler 1990; Chen and Tilton 1991; De

  16. Assessment of peat quality by molecular and bulk geochemical analysis: Application to the Holocene record of the Chautagne

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Assessment of peat quality by molecular and bulk geochemical analysis: Application to the Holocene in general from a limited variety of local plants, peat is however sensitive to physicochemical changes the information on peat quality provided by various families of biochemical components (lipids, lignin, sugars

  17. Numerical modeling of time-lapse seismic data from fractured reservoirs including fluid flow and geochemical processes 

    E-Print Network [OSTI]

    Shekhar, Ravi

    2009-05-15T23:59:59.000Z

    and amplitude variation with offset (AVO) results for our example model predicts that CO2 is easier to detect than brine in the fractured reservoirs. The effects of geochemical processes on seismics are simulated by time-lapse modeling for t = 1000 years. My...

  18. Bayesian method for testing TTBT compliance with unknown intercept and slope. Scientific report number 101

    SciTech Connect (OSTI)

    Baek, J.; Gray, H.L.; McCartor, G.D.; Woodward, W.A.

    1992-09-19T23:59:59.000Z

    In this report the authors examine the Bayesian method for testing for compliance to a given threshold studies by Nicholson, Mensing and Gray. It is noted that although this test and accompanying confidence intervals are valid for single event, it is incorrect to apply it or the confidence intervals to repeated events at the same site unless the number of calibration events is large. Since in any foreseeable future the number of calibration events is likely to be small, this report studies the applicability of the Bayesian test in this case. The results suggest that in many instances the Bayesian method examined here should be used on repeated events with caution if the number of calibration events is less than three.

  19. Geochemical evidence for anoxic deep water in the Arabian Sea during the last glaciation

    SciTech Connect (OSTI)

    Sarkar, A.; Bhattacharya, S.K.; Sarin, M.M. (Physical Research Lab., Ahmedabad (India))

    1993-03-01T23:59:59.000Z

    Various paleoceanographic studies have indicated that the deep ocean was probably depleted in dissolved oxygen during the last glacial period ([approximately]18 kyr B.P.; [delta][sup 18]O, stage 2) compared to present time. However, direct evidence of low oxygen content in the deep waters has been lacking. Here, the authors report geochemical evidence of near anoxic conditions in the deep Arabian Sea during the entire last glacial cycle ([delta][sup 18]O; stages 2, 3, and 4). Anoxia is inferred from the concomitant enrichment of organic carbon and authigenic uranium in the glacial sections of a core from the deep eastern Arabian Sea. The anoxic conditions during the last glacial period, probably caused by a change in deep water circulation, evidently enhanced preservation of organic matter and simultaneous removal of uranium from seawater. 57 refs., 3 figs., 2 tabs.

  20. Geochemical Impacts of Leaking CO2 from Subsurface Storage Reservoirs to Unconfined and Confined Aquifers

    SciTech Connect (OSTI)

    Qafoku, Nikolla; Brown, Christopher F.; Wang, Guohui; Sullivan, E. C.; Lawter, Amanda R.; Harvey, Omar R.; Bowden, Mark

    2013-04-15T23:59:59.000Z

    Experimental research work has been conducted and is undergoing at Pacific Northwest National Laboratory (PNNL) to address a variety of scientific issues related with the potential leaks of the carbon dioxide (CO2) gas from deep storage reservoirs. The main objectives of this work are as follows: • Develop a systematic understanding of how CO2 leakage is likely to influence pertinent geochemical processes (e.g., dissolution/precipitation, sorption/desorption and redox reactions) in the aquifer sediments. • Identify prevailing environmental conditions that would dictate one geochemical outcome over another. • Gather useful information to support site selection, risk assessment, policy-making, and public education efforts associated with geological carbon sequestration. In this report, we present results from experiments conducted at PNNL to address research issues related to the main objectives of this effort. A series of batch and column experiments and solid phase characterization studies (quantitative x-ray diffraction and wet chemical extractions with a concentrated acid) were conducted with representative rocks and sediments from an unconfined, oxidizing carbonate aquifer, i.e., Edwards aquifer in Texas, and a confined aquifer, i.e., the High Plains aquifer in Kansas. These materials were exposed to a CO2 gas stream simulating CO2 gas leaking scenarios, and changes in aqueous phase pH and chemical composition were measured in liquid and effluent samples collected at pre-determined experimental times. Additional research to be conducted during the current fiscal year will further validate these results and will address other important remaining issues. Results from these experimental efforts will provide valuable insights for the development of site-specific, generation III reduced order models. In addition, results will initially serve as input parameters during model calibration runs and, ultimately, will be used to test model predictive capability and competency. The results from these investigations will provide useful information to support site selection, risk assessment, and public education efforts associated with geological, deep subsurface CO2 storage and sequestration.

  1. Geochemical and physical properties of wetland soils at the Savannah River site

    SciTech Connect (OSTI)

    Dixon, K.L; Rogers, V.A.; Conner, S.P.; Cummings, C.L.; Gladden, J.B.; Weber, J.M.

    1996-05-01T23:59:59.000Z

    The Savannah River Site (SRS), located in Aiken, Allendale, and Barnwell Counties, South Carolina, is a nuclear production facility operated for the U.S. Department of Energy (DOE) by Westinghouse Savannah River Company (WSRC). To facilitate future human health and ecological risk assessments, treatability studies, remedial investigations, and feasibility studies for its wetland areas, SRS needs a database of background geochemical and physical properties of wetland soils. These data are needed for comparison to data collected from wetland soils that may have been affected by SRS operations. SRS contains 36,000 acres of wetlands and an additional 5,000 acres of bottom land soils subject to flooding. Recent studies of wetland soils near various waste units at SRS show that some wetlands have been impacted by releases of contaminants resulting from SRS operations (WSRC, 1992). Waste waters originating from the operations facilities typically have been discharged into seepage basins located in upland soils, direct discharge of waste water to wetland areas has been minimal. This suggests that impacted wetland areas have been affected indirectly as a result of transport mechanisms such as surface runoff, groundwater seeps, fluvial or sediment transport, and leaching. Looney et al. (1990) conducted a study to characterize the geochemical and physical properties of upland soils and shallow sediments on the SRS. A primary objective of the upland study was to collect the data needed to assess the qualitative and quantitative impacts of SRS operations on the environment. By comparing the upland soils data to data collected from waste units located in similar soils, SRS impacts could be assessed. The data were also intended to aid in selection of remediation alternatives. Because waste units at SRS have historically been located in upland areas, wetland soils were not sampled. (Abstract Truncated)

  2. High-resolution stratigraphic correlations and geochemical analyses, Cretaceous Niobrara formation, northwestern Denver-Julesburg Basin

    SciTech Connect (OSTI)

    Rodriguez, T.E.; Pratt, L.M.

    1985-05-01T23:59:59.000Z

    The middle Santonian-lower Campanian part of the Smoky Hill Member of the Niobrara Formation represents a fourth-order regressive-transgressive cyclotherm. Studies of this interval have improved our understanding of the influence of depositional environments and structural setting on distributions of organic matter in epicontinental marine strata. Geochemical analyses of fresh quarried sections at Lyons and LaPorte, Colorado, show that, in general, C/sub org/ (organic carbon) levels are highest between mid-regression and mid-transgression. Rhythmic fluctuations of C/sub carb/ (carbonate carbon) and C/sub org/ correspond to limestone-marlstone bedding couplets at a scale of 15-20 cm (6-8 in.). Pronounced lateral variations between Lyons and LaPorte exist in C/sub org/, HI (pyrolytic hydrogen index), sediment accumulation rates, and T/sub max/ (temperature of maximum pyrolytic yield). Comparisons of geochemical averages at Lyons and LaPorte indicate an elevated thermal maturity at Lyons and depositional conditions more favorable for preservation of marine organic matter at LaPorte. In both sections, C/sub org/ and C/sub carb/ show strong negative correlations, possibly reflecting cyclic climatic controls on the development of bedding couplets. High-resolution stratigraphic correlations of 100.000-year or smaller intervals between Boulder and Owl Canyon, Colorado, based on wide-spread bentonites and bedding couplets, reveal a paleostructural high near Lyons. Shallow-water conditions and increased turbulence over this high are reflected in sediment accumulation rates only 60% of those at LaPorte. Increased amounts and hydrogen richness of organic matter at LaPorte may reflect a deeper water, more quiescent depositional setting.

  3. Geochemical Characterization Using Geophysical Data and Markov Chain Monte Carolo methods: A Case Study at the South Oyster Bacterial Transport Site in Virginia

    SciTech Connect (OSTI)

    Chen, Jinsong; Hubbard, Susan; Rubin, Yoram; Murray, Chris; Roden, Eric; Majer, Ernest

    2003-11-18T23:59:59.000Z

    The spatial distribution of field-scale geochemical parameters, such as extractable Fe(II) and Fe(III), influences microbial processes and thus the efficacy of bioremediation. Because traditional characterization of those parameters is invasive and laborious, it is rarely performed sufficiently at the field-scale. Since both geochemical and geophysical parameters often correlate to some common physical properties (such as lithofacies), we investigated the utility of tomographic radar attenuation data for improving estimation of geochemical parameters using a Markov Chain Monte Carlo (MCMC) approach. The data used in this study included physical, geophysical, and geochemical measurements collected in and between several boreholes at the DOE South Oyster Bacterial Transport Site in Virginia. Results show that geophysical data, constrained by physical data, provided field-scale information about extractable Fe(II) and Fe(III) in a minimally invasive manner and with a resolution unparalleled by other geochemical characterization methods. This study presents our estimation framework for estimating Fe(II) and Fe(III), and its application to a specific site. Our hypothesis--that geochemical parameters and geophysical attributes can be linked through their mutual dependence on physical properties--should be applicable for estimating other geochemical parameters at other sites.

  4. ENERGIES RENOVABLES NOTES FINALS 2006 COGNOMS, NOM ASSISTNCIA TREBALL NOTA

    E-Print Network [OSTI]

    Batiste, Oriol

    ENERGIES RENOVABLES NOTES FINALS 2006 COGNOMS, NOM ASSISTÃ?NCIA TREBALL NOTA ALCOVERRO VIDAL, MARCEL

  5. First all-sky search for continuous gravitational waves from unknown sources in binary systems

    E-Print Network [OSTI]

    Aasi, J; Abbott, R; Abbott, T; Abernathy, M R; Accadia, T; Acernese, F; Ackley, K; Adams, C; Adams, T; Addesso, P; Adhikari, R X; Affeldt, C; Agathos, M; Aggarwal, N; Aguiar, O D; Ain, A; Ajith, P; Alemic, A; Allen, B; Allocca, A; Amariutei, D; Andersen, M; Anderson, R; Anderson, S B; Anderson, W G; Arai, K; Araya, M C; Arceneaux, C; Areeda, J; Aston, S M; Astone, P; Aufmuth, P; Aulbert, C; Austin, L; Aylott, B E; Babak, S; Baker, P T; Ballardin, G; Ballmer, S W; Barayoga, J C; Barbet, M; Barish, B C; Barker, D; Barone, F; Barr, B; Barsotti, L; Barsuglia, M; Barton, M A; Bartos, I; Bassiri, R; Basti, A; Batch, J C; Bauchrowitz, J; Bauer, Th S; Behnke, B; Bejger, M; Beker, M G; Belczynski, C; Bell, A S; Bell, C; Bergmann, G; Bersanetti, D; Bertolini, A; Betzwieser, J; Beyersdorf, P T; Bilenko, I A; Billingsley, G; Birch, J; Biscans, S; Bitossi, M; Bizouard, M A; Black, E; Blackburn, J K; Blackburn, L; Blair, D; Bloemen, S; Blom, M; Bock, O; Bodiya, T P; Boer, M; Bogaert, G; Bogan, C; Bond, C; Bondu, F; Bonelli, L; Bonnand, R; Bork, R; Born, M; Boschi, V; Bose, Sukanta; Bosi, L; Bradaschia, C; Brady, P R; Braginsky, V B; Branchesi, M; Brau, J E; Briant, T; Bridges, D O; Brillet, A; Brinkmann, M; Brisson, V; Brooks, A F; Brown, D A; Brown, D D; Brückner, F; Buchman, S; Bulik, T; Bulten, H J; Buonanno, A; Burman, R; Buskulic, D; Buy, C; Cadonati, L; Cagnoli, G; Bustillo, J Calderón; Calloni, E; Camp, J B; Campsie, P; Cannon, K C; Canuel, B; Cao, J; Capano, C D; Carbognani, F; Carbone, L; Caride, S; Castiglia, A; Caudill, S; Cavaglià, M; Cavalier, F; Cavalieri, R; Celerier, C; Cella, G; Cepeda, C; Cesarini, E; Chakraborty, R; Chalermsongsak, T; Chamberlin, S J; Chao, S; Charlton, P; Chassande-Mottin, E; Chen, X; Chen, Y; Chincarini, A; Chiummo, A; Cho, H S; Chow, J; Christensen, N; Chu, Q; Chua, S S Y; Chung, S; Ciani, G; Clara, F; Clark, J A; Cleva, F; Coccia, E; Cohadon, P -F; Colla, A; Collette, C; Colombini, M; Cominsky, L; Constancio, M; Conte, A; Cook, D; Corbitt, T R; Cordier, M; Cornish, N; Corpuz, A; Corsi, A; Costa, C A; Coughlin, M W; Coughlin, S; Coulon, J -P; Countryman, S; Couvares, P; Coward, D M; Cowart, M; Coyne, D C; Coyne, R; Craig, K; Creighton, J D E; Creighton, T D; Crowder, S G; Cumming, A; Cunningham, L; Cuoco, E; Dahl, K; Canton, T Dal; Damjanic, M; Danilishin, S L; D'Antonio, S; Danzmann, K; Dattilo, V; Daveloza, H; Davier, M; Davies, G S; Daw, E J; Day, R; Dayanga, T; Debreczeni, G; Degallaix, J; Deléglise, S; Del Pozzo, W; Denker, T; Dent, T; Dereli, H; Dergachev, V; De Rosa, R; DeRosa, R T; DeSalvo, R; Dhurandhar, S; Díaz, M; Di Fiore, L; Di Lieto, A; Di Palma, I; Di Virgilio, A; Donath, A; Donovan, F; Dooley, K L; Doravari, S; Dossa, S; Douglas, R; Downes, T P; Drago, M; Drever, R W P; Driggers, J C; Du, Z; Dwyer, S; Eberle, T; Edo, T; Edwards, M; Effler, A; Eggenstein, H; Ehrens, P; Eichholz, J; Eikenberry, S S; Endr\\Hoczi, G; Essick, R; Etzel, T; Evans, M; Evans, T; Factourovich, M; Fafone, V; Fairhurst, S; Fang, Q; Farinon, S; Farr, B; Farr, W M; Favata, M; Fehrmann, H; Fejer, M M; Feldbaum, D; Feroz, F; Ferrante, I; Ferrini, F; Fidecaro, F; Finn, L S; Fiori, I; Fisher, R P; Flaminio, R; Fournier, J -D; Franco, S; Frasca, S; Frasconi, F; Frede, M; Frei, Z; Freise, A; Frey, R; Fricke, T T; Fritschel, P; Frolov, V V; Fulda, P; Fyffe, M; Gair, J; Gammaitoni, L; Gaonkar, S; Garufi, F; Gehrels, N; Gemme, G; Genin, E; Gennai, A; Ghosh, S; Giaime, J A; Giardina, K D; Giazotto, A; Gill, C; Gleason, J; Goetz, E; Goetz, R; Gondan, L; González, G; Gordon, N; Gorodetsky, M L; Gossan, S; Goßler, S; Gouaty, R; Gräf, C; Graff, P B; Granata, M; Grant, A; Gras, S; Gray, C; Greenhalgh, R J S; Gretarsson, A M; Groot, P; Grote, H; Grover, K; Grunewald, S; Guidi, G M; Guido, C; Gushwa, K; Gustafson, E K; Gustafson, R; Hammer, D; Hammond, G; Hanke, M; Hanks, J; Hanna, C; Hanson, J; Harms, J; Harry, G M; Harry, I W; Harstad, E D; Hart, M; Hartman, M T; Haster, C -J; Haughian, K; Heidmann, A; Heintze, M; Heitmann, H; Hello, P; Hemming, G; Hendry, M; Heng, I S; Heptonstall, A W; Heurs, M; Hewitson, M; Hild, S; Hoak, D; Hodge, K A; Holt, K; Hooper, S; Hopkins, P; Hosken, D J; Hough, J; Howell, E J; Hu, Y; Huerta, E; Hughey, B; Husa, S; Huttner, S H; Huynh, M; Huynh-Dinh, T; Ingram, D R; Inta, R; Isogai, T; Ivanov, A; Iyer, B R; Izumi, K; Jacobson, M; James, E; Jang, H; Jaranowski, P; Ji, Y; Jiménez-Forteza, F; Johnson, W W; Jones, D I; Jones, R; Jonker, R J G; Ju, L; K, Haris; Kalmus, P; Kalogera, V; Kandhasamy, S; Kang, G; Kanner, J B; Karlen, J; Kasprzack, M; Katsavounidis, E; Katzman, W; Kaufer, H; Kawabe, K; Kawazoe, F; Kéfélian, F; Keiser, G M; Keitel, D; Kelley, D B; Kells, W; Khalaidovski, A; Khalili, F Y; Khazanov, E A; Kim, C; Kim, K; Kim, N; Kim, N G; Kim, Y -M; King, E J; King, P J; Kinzel, D L; Kissel, J S; Klimenko, S; Kline, J; Koehlenbeck, S; Kokeyama, K; Kondrashov, V; Koranda, S

    2014-01-01T23:59:59.000Z

    We present the first results of an all-sky search for continuous gravitational waves from unknown spinning neutron stars in binary systems using LIGO and Virgo data. Using a specially developed analysis program, the TwoSpect algorithm, the search was carried out on data from the sixth LIGO Science Run and the second and third Virgo Science Runs. The search covers a range of frequencies from 20 Hz to 520 Hz, a range of orbital periods from 2 to ~2,254 h and a frequency- and period-dependent range of frequency modulation depths from 0.277 to 100 mHz. This corresponds to a range of projected semi-major axes of the orbit from ~0.6e-3 ls to ~6,500 ls assuming the orbit of the binary is circular. While no plausible candidate gravitational wave events survive the pipeline, upper limits are set on the analyzed data. The most sensitive 95% confidence upper limit obtained on gravitational wave strain is 2.3e-24 at 217 Hz, assuming the source waves are circularly polarized. Although this search has been optimized for ci...

  6. First all-sky search for continuous gravitational waves from unknown sources in binary systems

    E-Print Network [OSTI]

    The LIGO Scientific Collaboration; the Virgo Collaboration; J. Aasi; B. P. Abbott; R. Abbott; T. Abbott; M. R. Abernathy; T. Accadia; F. Acernese; K. Ackley; C. Adams; T. Adams; P. Addesso; R. X. Adhikari; C. Affeldt; M. Agathos; N. Aggarwal; O. D. Aguiar; A. Ain; P. Ajith; A. Alemic; B. Allen; A. Allocca; D. Amariutei; M. Andersen; R. Anderson; S. B. Anderson; W. G. Anderson; K. Arai; M. C. Araya; C. Arceneaux; J. Areeda; S. M. Aston; P. Astone; P. Aufmuth; C. Aulbert; L. Austin; B. E. Aylott; S. Babak; P. T. Baker; G. Ballardin; S. W. Ballmer; J. C. Barayoga; M. Barbet; B. C. Barish; D. Barker; F. Barone; B. Barr; L. Barsotti; M. Barsuglia; M. A. Barton; I. Bartos; R. Bassiri; A. Basti; J. C. Batch; J. Bauchrowitz; Th. S. Bauer; B. Behnke; M. Bejger; M. G. Beker; C. Belczynski; A. S. Bell; C. Bell; G. Bergmann; D. Bersanetti; A. Bertolini; J. Betzwieser; P. T. Beyersdorf; I. A. Bilenko; G. Billingsley; J. Birch; S. Biscans; M. Bitossi; M. A. Bizouard; E. Black; J. K. Blackburn; L. Blackburn; D. Blair; S. Bloemen; M. Blom; O. Bock; T. P. Bodiya; M. Boer; G. Bogaert; C. Bogan; C. Bond; F. Bondu; L. Bonelli; R. Bonnand; R. Bork; M. Born; V. Boschi; Sukanta Bose; L. Bosi; C. Bradaschia; P. R. Brady; V. B. Braginsky; M. Branchesi; J. E. Brau; T. Briant; D. O. Bridges; A. Brillet; M. Brinkmann; V. Brisson; A. F. Brooks; D. A. Brown; D. D. Brown; F. Brückner; S. Buchman; T. Bulik; H. J. Bulten; A. Buonanno; R. Burman; D. Buskulic; C. Buy; L. Cadonati; G. Cagnoli; J. Calderón Bustillo; E. Calloni; J. B. Camp; P. Campsie; K. C. Cannon; B. Canuel; J. Cao; C. D. Capano; F. Carbognani; L. Carbone; S. Caride; A. Castiglia; S. Caudill; M. Cavaglià; F. Cavalier; R. Cavalieri; C. Celerier; G. Cella; C. Cepeda; E. Cesarini; R. Chakraborty; T. Chalermsongsak; S. J. Chamberlin; S. Chao; P. Charlton; E. Chassande-Mottin; X. Chen; Y. Chen; A. Chincarini; A. Chiummo; H. S. Cho; J. Chow; N. Christensen; Q. Chu; S. S. Y. Chua; S. Chung; G. Ciani; F. Clara; J. A. Clark; F. Cleva; E. Coccia; P. -F. Cohadon; A. Colla; C. Collette; M. Colombini; L. Cominsky; M. Constancio Jr.; A. Conte; D. Cook; T. R. Corbitt; M. Cordier; N. Cornish; A. Corpuz; A. Corsi; C. A. Costa; M. W. Coughlin; S. Coughlin; J. -P. Coulon; S. Countryman; P. Couvares; D. M. Coward; M. Cowart; D. C. Coyne; R. Coyne; K. Craig; J. D. E. Creighton; T. D. Creighton; S. G. Crowder; A. Cumming; L. Cunningham; E. Cuoco; K. Dahl; T. Dal Canton; M. Damjanic; S. L. Danilishin; S. D'Antonio; K. Danzmann; V. Dattilo; H. Daveloza; M. Davier; G. S. Davies; E. J. Daw; R. Day; T. Dayanga; G. Debreczeni; J. Degallaix; S. Deléglise; W. Del Pozzo; T. Denker; T. Dent; H. Dereli; V. Dergachev; R. De Rosa; R. T. DeRosa; R. DeSalvo; S. Dhurandhar; M. Díaz; L. Di Fiore; A. Di Lieto; I. Di Palma; A. Di Virgilio; A. Donath; F. Donovan; K. L. Dooley; S. Doravari; S. Dossa; R. Douglas; T. P. Downes; M. Drago; R. W. P. Drever; J. C. Driggers; Z. Du; S. Dwyer; T. Eberle; T. Edo; M. Edwards; A. Effler; H. Eggenstein; P. Ehrens; J. Eichholz; S. S. Eikenberry; G. Endr?czi; R. Essick; T. Etzel; M. Evans; T. Evans; M. Factourovich; V. Fafone; S. Fairhurst; Q. Fang; S. Farinon; B. Farr; W. M. Farr; M. Favata; H. Fehrmann; M. M. Fejer; D. Feldbaum; F. Feroz; I. Ferrante; F. Ferrini; F. Fidecaro; L. S. Finn; I. Fiori; R. P. Fisher; R. Flaminio; J. -D. Fournier; S. Franco; S. Frasca; F. Frasconi; M. Frede; Z. Frei; A. Freise; R. Frey; T. T. Fricke; P. Fritschel; V. V. Frolov; P. Fulda; M. Fyffe; J. Gair; L. Gammaitoni; S. Gaonkar; F. Garufi; N. Gehrels; G. Gemme; E. Genin; A. Gennai; S. Ghosh; J. A. Giaime; K. D. Giardina; A. Giazotto; C. Gill; J. Gleason; E. Goetz; R. Goetz; L. Gondan; G. González; N. Gordon; M. L. Gorodetsky; S. Gossan; S. Goßler; R. Gouaty; C. Gräf; P. B. Graff; M. Granata; A. Grant; S. Gras; C. Gray; R. J. S. Greenhalgh; A. M. Gretarsson; P. Groot; H. Grote; K. Grover; S. Grunewald; G. M. Guidi; C. Guido; K. Gushwa; E. K. Gustafson; R. Gustafson; D. Hammer; G. Hammond; M. Hanke; J. Hanks; C. Hanna; J. Hanson; J. Harms; G. M. Harry; I. W. Harry; E. D. Harstad; M. Hart; M. T. Hartman; C. -J. Haster; K. Haughian; A. Heidmann; M. Heintze; H. Heitmann; P. Hello; G. Hemming; M. Hendry; I. S. Heng; A. W. Heptonstall; M. Heurs; M. Hewitson; S. Hild; D. Hoak; K. A. Hodge; K. Holt; S. Hooper; P. Hopkins; D. J. Hosken; J. Hough; E. J. Howell; Y. Hu; E. Huerta; B. Hughey; S. Husa; S. H. Huttner; M. Huynh; T. Huynh-Dinh; D. R. Ingram; R. Inta; T. Isogai; A. Ivanov; B. R. Iyer; K. Izumi; M. Jacobson; E. James; H. Jang; P. Jaranowski; Y. Ji; F. Jiménez-Forteza; W. W. Johnson; D. I. Jones; R. Jones; R. J. G. Jonker; L. Ju; Haris K; P. Kalmus; V. Kalogera; S. Kandhasamy; G. Kang; J. B. Kanner; J. Karlen; M. Kasprzack; E. Katsavounidis; W. Katzman; H. Kaufer; K. Kawabe; F. Kawazoe; F. Kéfélian; G. M. Keiser; D. Keitel; D. B. Kelley; W. Kells; A. Khalaidovski

    2014-09-17T23:59:59.000Z

    We present the first results of an all-sky search for continuous gravitational waves from unknown spinning neutron stars in binary systems using LIGO and Virgo data. Using a specially developed analysis program, the TwoSpect algorithm, the search was carried out on data from the sixth LIGO Science Run and the second and third Virgo Science Runs. The search covers a range of frequencies from 20 Hz to 520 Hz, a range of orbital periods from 2 to ~2,254 h and a frequency- and period-dependent range of frequency modulation depths from 0.277 to 100 mHz. This corresponds to a range of projected semi-major axes of the orbit from ~0.6e-3 ls to ~6,500 ls assuming the orbit of the binary is circular. While no plausible candidate gravitational wave events survive the pipeline, upper limits are set on the analyzed data. The most sensitive 95% confidence upper limit obtained on gravitational wave strain is 2.3e-24 at 217 Hz, assuming the source waves are circularly polarized. Although this search has been optimized for circular binary orbits, the upper limits obtained remain valid for orbital eccentricities as large as 0.9. In addition, upper limits are placed on continuous gravitational wave emission from the low-mass x-ray binary Scorpius X-1 between 20 Hz and 57.25 Hz.

  7. Note and Record A note on polyvinyl chloride (PVC) pipe traps for

    E-Print Network [OSTI]

    Pretoria, University of

    Note and Record A note on polyvinyl chloride (PVC) pipe traps for sampling vegetation of traditional traps, and many are furtive (Myers et al., 2007; Pittman et al., 2008). PVC pipe traps, which and Hyperolius (see Channing, 2001; du Preez & Carruthers, 2009), may be attracted to artificial refugia of PVC

  8. GENOMIC RESOURCES NOTE Genomic Resources Notes accepted 1 February 201331 March

    E-Print Network [OSTI]

    Rieseberg, Loren

    GENOMIC RESOURCES NOTE Genomic Resources Notes accepted 1 February 2013­31 March 2013 GENOMIC RESOURCES DEVELOPMENT CONSORTIUM,1 MATTHEW G. KING,2 SE´ BASTIEN RENAUT,3 LOREN H. RIESEBERG2,4 and HEATHER C. ROWE3 1 Molecular Ecology Resources Editorial Office, 6270 University Blvd, Vancouver, BC V6T 1Z4

  9. 2004 Notes2Providers.doc -1-Notes to Retail Providers

    E-Print Network [OSTI]

    with the meter data reported to the system operator (Retail providers that purchase electricity from a power pool2004 Notes2Providers.doc -1- Notes to Retail Providers February 2005 Power Source Disclosure than the California Mix, (Net System Power)i . As a retail provider you are probably aware that all

  10. Scientific note A scientific note on the partial nucleotide sequence of a US strain

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Scientific note A scientific note on the partial nucleotide sequence of a US strain of Kashmir bee bee virus / nucleotide sequence / RT-PCR Kashmir bee virus (KBV) was first isolated from a diseased sequence of the amplified product. The BLASTN search of the Nucleotide Sequence Database at the National

  11. Geologic, geophysical, and geochemical aspects of site-specific studies of the geopressured-geothermal energy resource of southern Louisiana. Final report

    SciTech Connect (OSTI)

    Pilger, R.H. Jr. (ed.)

    1985-01-01T23:59:59.000Z

    The report consists of four sections dealing with progress in evaluating geologic, geochemical, and geophysical aspects of geopressured-geothermal energy resources in Louisiana. Separate abstracts have been prepared for the individual sections. (ACR)

  12. Geochemical maps showing the distribution and abundance of selected elements in stream-sediment samples, Solomon and Bendeleben 1 degree by 3 degree quadrangles, Seward Peninsula, Alaska

    SciTech Connect (OSTI)

    Smith, S.C.; King, H.D.; O'Leary, R.M.

    1989-01-01T23:59:59.000Z

    Geochemical maps showing the distribution and abundance of selected elements in stream-sediment samples, Solomon and Bendeleben 1{degree} by 3{degree} quadrangles, Seward Peninsula, Alaska is presented.

  13. Xyce parallel electronic simulator release notes.

    SciTech Connect (OSTI)

    Keiter, Eric Richard; Hoekstra, Robert John; Mei, Ting; Russo, Thomas V.; Schiek, Richard Louis; Thornquist, Heidi K.; Rankin, Eric Lamont; Coffey, Todd Stirling; Pawlowski, Roger Patrick; Santarelli, Keith R.

    2010-05-01T23:59:59.000Z

    The Xyce Parallel Electronic Simulator has been written to support, in a rigorous manner, the simulation needs of the Sandia National Laboratories electrical designers. Specific requirements include, among others, the ability to solve extremely large circuit problems by supporting large-scale parallel computing platforms, improved numerical performance and object-oriented code design and implementation. The Xyce release notes describe: Hardware and software requirements New features and enhancements Any defects fixed since the last release Current known defects and defect workarounds For up-to-date information not available at the time these notes were produced, please visit the Xyce web page at http://www.cs.sandia.gov/xyce.

  14. Preburn versus postburn mineralogical and geochemical characteristics of overburden and coal at the Hanna, Wyoming underground coal gasification site

    SciTech Connect (OSTI)

    Oliver, R.L.; Youngberg, A.D.

    1983-12-01T23:59:59.000Z

    Hundreds of mineralogic and geochemical tests were done under US Department of Energy contracts on core samples taken from the Hanna underground coal gasification site. These tests included x-ray diffraction studies of minerals in coal ash, overburden rocks, and heat-altered rocks; x-ray fluorescence analyses of oxides in coal ash and heat-altered rocks; semi-quantitative spectrographic analyses of elements in coal, overburden, and heat-altered rocks; chemical analyses of elements and compounds in coal, overburden, and heat-altered rocks and ASTM proximate and ultimate analyses of coal and heat-altered coal. These data sets were grouped, averaged, and analyzed to provide preburn and postburn mineralogic and geochemical characteristics of rock units at the site. Where possible, the changes in characteristics from the preburn to the postburn state are related to underground coal gasification processes. 11 references, 13 figures, 8 tables.

  15. Up-Scaling Geochemical Reaction Rates for Carbon Dioxide (CO2) in Deep Saline Aquifers

    SciTech Connect (OSTI)

    Peters, Catherine A

    2013-02-28T23:59:59.000Z

    Geochemical reactions in deep subsurface environments are complicated by the consolidated nature and mineralogical complexity of sedimentary rocks. Understanding the kinetics of these reactions is critical to our ability to make long-term predictions about subsurface processes such as pH buffering, alteration in rock structure, permeability changes, and formation of secondary precipitates. In this project, we used a combination of experiments and numerical simulation to bridge the gap between our knowledge of these reactions at the lab scale and rates that are meaningful for modeling reactive transport at core scales. The focus is on acid-driven mineral dissolution, which is specifically relevant in the context of CO2-water-rock interactions in geological sequestration of carbon dioxide. The project led to major findings in three areas. First, we modeled reactive transport in pore-network systems to investigate scaling effects in geochemical reaction rates. We found significant scaling effects when CO2 concentrations are high and reaction rates are fast. These findings indicate that the increased acidity associated with geological sequestration can generate conditions for which proper scaling tools are yet to be developed. Second, we used mathematical modeling to investigate the extent to which SO2, if co-injected with CO2, would acidify formation brines. We found that there exist realistic conditions in which the impact on brine acidity will be limited due to diffusion rate-limited SO2 dissolution from the CO2 phase, and the subsequent pH shift may also be limited by the lack of availability of oxidants to produce sulfuric acid. Third, for three Viking sandstones (Alberta sedimentary basin, Canada), we employed backscattered electron microscopy and energy dispersive X-ray spectroscopy to statistically characterize mineral contact with pore space. We determined that for reactive minerals in sedimentary consolidated rocks, abundance alone is not a good predictor of mineral accessible surface area, and should not be used in reactive transport modeling. Our work showed that reaction rates would be overestimated by three to five times.

  16. 2 1/2 D visual servoing with respect to planar contours having complex and unknown shapes

    E-Print Network [OSTI]

    Cipolla, Roberto

    2 1/2 D visual servoing with respect to planar contours having complex and unknown shapes E. Malis with arbitrary contours of any shape and without any prior knowl- edge of their models. The system is first shown complex shapes such as leaves, keys and coastal outlines of islands. Experiments using a ship mockup

  17. Simultaneous state and unknown inputs estimation with PI and PMI observers for Takagi Sugeno model with unmeasurable premise

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Simultaneous state and unknown inputs estimation with PI and PMI observers for Takagi Sugeno model-- In this paper, a proportional integral (PI) and a proportional multiple integral observer (PMI) are proposed and PMI observers developed for linear systems. The state estimation error is written as a perturbed

  18. GEOCHEMICAL APPROACHES TO THE STUDY OF LIFE AND DEATH OF DINOSAURS FROM THE EARLY CRETACEOUS CEDAR MOUNTAIN FORMATION, UTAH

    E-Print Network [OSTI]

    Suarez, Celina Angelica

    2010-04-22T23:59:59.000Z

    ___________________________ G.L. Macpherson ___________________________ Larry D. Martin Date defended:_______________ iii ABSTRACT Celina A. Suarez, Ph.D. Department of Geology, April 2010 University of Kansas In this dissertation, geochemical analysis..., it can be determined that the proximity of the Western Interior Seaway and the rise of the Sevier Mountains were the cause of isotopic variability and dominant control on regional climate during the Cedar Mountain Formation time. iv...

  19. Enhanced Land Subsidence and Seidment Dynamics in Galveston Bay- Implications for Geochemical Processes and Fate and Transport of Contaminants

    E-Print Network [OSTI]

    Almukaimi, Mohammad E

    2013-07-05T23:59:59.000Z

    ENHANCED LAND SUBSIDENCE AND SEDIMENT DYNAMICS IN GALVESTON BAY- IMPLICATIONS FOR GEOCHEMICAL PROCESSES AND FATE AND TRANSPORT OF CONTAMINANTS A Thesis by MOHAMMAD ALMUKAIMI Submitted to the Office of Graduate Studies of Texas A... August 2013 Major Subject: Oceanography Copyright 2013 Mohammad Almukaimi ii ABSTRACT Galveston Bay is the second largest estuary in the Gulf of Mexico. The bay?s watershed and shoreline contains one of the largest concentrations...

  20. Microbial distributions detected by an oligonucleotide microarray across geochemical zones associated with methane in marine sediments from the Ulleung Basin

    SciTech Connect (OSTI)

    Briggs, Brandon R.; Graw, Michael; Brodie, Eoin L.; Bahk, Jang-Jun; Kim, Sung-Han; Hyun, Jung-Ho; Kim, Ji-Hoon; Torres, Marta; Colwell, Frederick S.

    2013-11-01T23:59:59.000Z

    The biogeochemical processes that occur in marine sediments on continental margins are complex; however, from one perspective they can be considered with respect to three geochemical zones based on the presence and form of methane: sulfate–methane transition (SMTZ), gas hydrate stability zone (GHSZ), and free gas zone (FGZ). These geochemical zones may harbor distinct microbial communities that are important in biogeochemical carbon cycles. The objective of this study was to describe the microbial communities in sediments from the SMTZ, GHSZ, and FGZ using molecular ecology methods (i.e. PhyloChip microarray analysis and terminal restriction fragment length polymorphism (T-RFLP)) and examining the results in the context of non-biological parameters in the sediments. Non-metric multidimensional scaling and multi-response permutation procedures were used to determine whether microbial community compositions were significantly different in the three geochemical zones and to correlate samples with abiotic characteristics of the sediments. This analysis indicated that microbial communities from all three zones were distinct from one another and that variables such as sulfate concentration, hydrate saturation of the nearest gas hydrate layer, and depth (or unmeasured variables associated with depth e.g. temperature, pressure) were correlated to differences between the three zones. The archaeal anaerobic methanotrophs typically attributed to performing anaerobic oxidation of methane were not detected in the SMTZ; however, the marine benthic group-B, which is often found in SMTZ, was detected. Within the GHSZ, samples that were typically closer to layers that contained higher hydrate saturation had indicator sequences related to Vibrio-type taxa. These results suggest that the biogeographic patterns of microbial communities in marine sediments are distinct based on geochemical zones defined by methane.

  1. COMPUTER SECURITY revision list Subject Notes

    E-Print Network [OSTI]

    Chothia, Tom

    COMPUTER SECURITY revision list Subject Notes AES DES 3-DES CBC Diffie-Hellman Elgaml RSA KeyCrypt Electronic Signatures PGP Access Control Matrix Access Control Lists #12;COMPUTER SECURITY revision list for Linux Confused Deputy Problem MD5 SHA1 SHA2 / SHA256 / SHA512 SHA3 Collision attacks MAC Password

  2. DANE TECHNICAL NOTE INFN -LNF, Accelerator Division

    E-Print Network [OSTI]

    Istituto Nazionale di Fisica Nucleare (INFN)

    of the utilities (electrical power substation and cooling system) in the linac tunnel and klystron gallery before. Hutton (CEBAF), Chairman W. Scandale (CERN) A. Wrülich (ST) Overall Project Progress and Status The Committee noted the progress made since the last Review and is pleased to see that the major Project

  3. Technical Note Puncture protection of PVC geomembranes______________________________________________

    E-Print Network [OSTI]

    Technical Note Puncture protection of PVC geomembranes a design procedure for estimating the puncture protection of polyvinyl chloride (PVC) geomembranes. The puncture resistance of 0.5 mm, 0.75 mm, and 1.0 mm thick PVC geomembranes was measured using the truncated

  4. Ocean Engineering 33 (2006) 22092223 Technical Note

    E-Print Network [OSTI]

    Mohseni, Kamran

    Ocean Engineering 33 (2006) 2209­2223 Technical Note Pulsatile vortex generators for low-speed maneuvering of small underwater vehicles Kamran Mohseni� Department of Aerospace Engineering Sciences, science writer). #12;1. Introduction Oceans hold the key to the origin and continuity of life on the Earth

  5. Section Notes 3 The Simplex Algorithm

    E-Print Network [OSTI]

    Chen, Yiling

    Section Notes 3 The Simplex Algorithm Applied Math 121 Week of September 22, 2014 Goals for the week · understand how to get from an LP to a simplex tableau. · be familiar with reduced costs, optimal solutions, different types of variables and their roles. · understand the steps of simplex phases I and II

  6. Section Notes 3 The Simplex Algorithm

    E-Print Network [OSTI]

    Chen, Yiling

    Section Notes 3 The Simplex Algorithm Applied Math 121 Week of February 14, 2011 Goals for the week · understand how to get from an LP to a simplex tableau. · be familiar with reduced costs, optimal solutions, different types of variables and their roles. · understand the steps of simplex phases I and II. · be able

  7. Section Notes 3 The Simplex Algorithm

    E-Print Network [OSTI]

    Chen, Yiling

    Section Notes 3 The Simplex Algorithm Applied Math 121 Week of February 17, 2014 Goals for the week · understand how to get from an LP to a simplex tableau. · be familiar with reduced costs, optimal solutions, different types of variables and their roles. · understand the steps of simplex phases I and II. · be able

  8. Briefing Note 2010 19 15 September 2010

    E-Print Network [OSTI]

    Pedersen, Tom

    incremental costs for energy efficiency (EE) retrofits than do newer buildings. Throughout New York, 43Briefing Note 2010 ­ 19 15 September 2010 Energy Efficiency Retrofits Case Study - Empire State Building Produced in partnership with ISIS | A Research Centre | Sauder School of Business | UBC Author

  9. Technical Note Graphene: Substrate preparation and introduction

    E-Print Network [OSTI]

    Technical Note Graphene: Substrate preparation and introduction Radosav S. Pantelic a , Ji Won Suk September 2010 Accepted 4 October 2010 Available online xxxx Keywords: Graphene Graphene oxide Cryo the transfer of continuous, single-layer, pristine graphene to standard Quan- tifoil TEM grids. We compare

  10. Engineering Notes Ice Shape Characterization Using

    E-Print Network [OSTI]

    Tino, Peter

    Engineering Notes Ice Shape Characterization Using Self-Organizing Maps Stephen T. McClain Baylor. Introduction DURING the validation and verification of ice accretion codes, predicted ice shapes must be compared with experimental measurements of wind-tunnel or atmospheric ice shapes. Current methods for ice

  11. Briefing Note 2010 25 16 December 2010

    E-Print Network [OSTI]

    Pedersen, Tom

    of the CDM carbon market distortion issue are 19 chemical gas manufacturers, located mainly in China manufacturers in order to determine if the carbon crediting system has been manipulated.xi To date, China has1 Briefing Note 2010 ­ 25 16 December 2010 Carbon Market Distortions and Diminishing Environmental

  12. Briefing Note 2010 -9 21 June 2010

    E-Print Network [OSTI]

    Pedersen, Tom

    for a carbon tariff in an attempt to curb unfair competition from countries like China, which have weakerBriefing Note 2010 - 9 21 June 2010 Border Carbon Adjustments: The Canadian Context Produced Border carbon adjustments (BCAs), also known as carbon tariffs, are being proposed in the EU and US

  13. AGN Taxonomy and Unification Historical notes

    E-Print Network [OSTI]

    Aretxaga, Itziar

    Lecture 1 AGN Taxonomy and Unification · Historical notes · Multifrequency detection of nuclear activity · Classification of AGN - taxonomy · Unification · Evidence for obscuring tori in AGN Itziar Aretxaga (INAOE) @El Escorial, Dec 2007 #12;AGN taxonomy "Active" is used to refer to energetic processes

  14. CS229 Lecture notes Generative Learning algorithms

    E-Print Network [OSTI]

    Kosecka, Jana

    analysis (GDA). In this model, we'll assume that p(x|y) is distributed according to a multivariate normal discriminant analysis The first generative learning algorithm that we'll look at is Gaussian discrim- inant. In these notes, we'll talk about a different type of learning algorithm. Consider a classification problem

  15. 203-HJT-0611 UNLESS OTHERWISE NOTED

    E-Print Network [OSTI]

    McDonald, Kirk

    WELDS SHALL BE WITH ASME SECTION IX. NO CODE STAMP REQUIRED. 1. WELDING SHALL BE PERFORMED IN ACCORDANCE DIMENSIONS AND TOLERANCES PER ASME Y14.5M 3. MACHINED FINISH 125 MICRO- INCHES RMS 4. CONCENTRICITY .010 TIR.850 2.4 .9 2.850 .900 .975 1.20 NOTES 1. WELDING SHALL BE PERFORMED IN ACCORDANCE WITH ASME SECTION IX

  16. UNLESS OTHERWISE NOTED 203-HJT-0611

    E-Print Network [OSTI]

    McDonald, Kirk

    WITH ASME SECTION IX. NO CODE STAMP REQUIRED. 2. NO RADIOGRAPHY REQUIRED. ALL WELDS SHALL BE DYE PENETRANT.349 NOTES 1. WELDING SHALL BE PERFORMED IN ACCORDANCE WITH ASME SECTION IX. NO CODE STAMP REQUIRED. 2 AND TOLERANCES PER ASME Y14.5M 3. MACHINED FINISH 125 MICRO- INCHES RMS 4. CONCENTRICITY .010 TIR 5. MACHINED

  17. UNLESS OTHERWISE NOTED 203-HJT-0620A

    E-Print Network [OSTI]

    McDonald, Kirk

    .928 2.298 NOTES 1. WELDING AND INSPECTION SHALL BE PERFORMED IN ACCORDANCE WITH ASME SECTION IX. NO CODE ASME Y14.5M 3. MACHINED FINISH 125 MICRO- INCHES RMS 4. CONCENTRICITY .010 TIR 5. MACHINED ANGLES 1 INSPECTION REQUIRED. 2. NUMBER OF PIPE BUTT WELDS SHOULD BE MINIMIZED. NO CODE STAMP REQUIRED. IN ACCORDANCE

  18. DANE TECHNICAL NOTE INFN -LNF, Accelerator Division

    E-Print Network [OSTI]

    Istituto Nazionale di Fisica Nucleare (INFN)

    THE RADIOFREQUENCY SYSTEM FOR DANE: FIRST REMARKS R. Boni, A. Gallo INTRODUCTION This note presents some considerations on the Radiofrequency System (RFS) for DANE. It is worthed to mention that the RFS has to supply to the beams the energy lost by synchrotron radiation and parasitic losses. We propose two different solutions

  19. Research Note Fast 2-flip move evaluations

    E-Print Network [OSTI]

    Hao, Jin-Kao

    problems Fred Glover1 and Jin-Kao Hao2 1 OptTek Systems, Inc. 1919 Seventh Street Boulder, CO 80302, USA glover@opttek.com 2 Laboratoire d'Etude et de Recherche en Informatique (LERIA) Université d'Angers 2. Corresponding author: Fred Glover Biographical notes: Fred Glover holds the title of Distinguished Professor

  20. CenterPulse ContentsDirector's Notes

    E-Print Network [OSTI]

    Wisconsin at Madison, University of

    to our year-in-review newsletter, CenterPulse. Please forward it to your colleagues to help us improveCenterPulse ContentsDirector's Notes 2012 Year in Review Happy New Year, everyone! The year 2012 that recommended full continuation of funding for years 52-56 of NIH support. While the final funding level

  1. GEOLOGICAL NOTE Desert Pavement: An Environmental Canary?

    E-Print Network [OSTI]

    Ahmad, Sajjad

    GEOLOGICAL NOTE Desert Pavement: An Environmental Canary? P K. Haft Division of Earth and Ocean 27708 Ie-mail: /wff@geo.duke_eciul ABSTRACT Ongoing ctisruption of ancient, varnished desert pavement that the pavement disturbances reported here ~ue rarc on the millcnnhll time scale of desert varnish format ion

  2. Agent Notes Day 4 ~ Health Training

    E-Print Network [OSTI]

    ­ Agent Notes Day 4 ~ Health Training In preparation for the Health Day, you could order the National Institute on Aging, National Institutes of Health. To order these free booklets, go to www in the afternoon, and edit your agenda to reflect your choices. Several HealthHints newsletters are referenced

  3. Briefing Note 2011 29 4 February 2011

    E-Print Network [OSTI]

    Pedersen, Tom

    Briefing Note 2011 ­ 29 4 February 2011 Fracking in BC: Integrating climate change issues Produced - otherwise known as fracking. However the current controversy regarding fracking, including in the US options to reduce associated emissions, water, and health impacts. Fracking involves shooting a high

  4. Informal Assessment Work Group Meeting Notes

    E-Print Network [OSTI]

    O'Laughlin, Jay

    Informal Assessment Work Group Meeting Notes November 15, 2006 Present: Rula Awwad-Rafferty, Doug Baker, Dick Battaglia, Ben Beard, Suzi Billington, Alton Campbell, Jeanne Christiansen, Gail Eckwright is completed for all programs by May 2007? (Can we do the level of work needed in this time period?) Doug

  5. Application Note (A9) Revision: A

    E-Print Network [OSTI]

    Johnsen, Sönke

    measurements of light falling onto a flat surface. Such studies vary from solar UV exposure limitsApplication Note (A9) Revision: A AUGUST 1995 OPTRONIC LABORATORIES, INC. 4632 36TH STREET Orlando on the wavelength of light so the bluer wavelengths are scattered more strongly than redder. This leads

  6. NOTE: The IRB does not stamp the

    E-Print Network [OSTI]

    Loudon, Catherine

    obtaining Short Form consent: Download and review the current IRB approval letter from the Doc DepotNOTE: The IRB does not stamp the HIPAA Research Authorization Form, the Bill of Rights or the Short Short Form Consent ­ The Basics Date of Last Revision: 08-27-2013 Audience: Researchers Utilizing

  7. Data Mining and Knowledge Discovery: Practice Notes

    E-Print Network [OSTI]

    Novak, Petra Kralj

    1 Data Mining and Knowledge Discovery: Practice Notes dr. Petra Kralj Novak Petra.Kralj.Novak@ijs.si and exam · 2013/12/16: Written exam, seminar proposal discussion · 2014/1/8: Data mining seminar gain becomes the root 7. Divide the set S into subsets Si according to the values of A 8. Repeat steps

  8. Computer Note A Prototype Object Database for

    E-Print Network [OSTI]

    Neigel, Joseph E.

    Computer Note A Prototype Object Database for Mitochondrial DNA Variation J. E. NEIGEL AND P preserved. We hope to prevent further loss by establishing a community database for population genetic surveys. We explored the feasibility of a population genetics database by developing a prototype

  9. Linear Algebra Notes David A. SANTOS

    E-Print Network [OSTI]

    California at Santa Cruz, University of

    Linear Algebra Notes David A. SANTOS dsantos@ccp.edu January 2, 2010 REVISION #12;ii Contents . . . . . . . . . . . . . . . . . . 15 2 Matrices and Matrix Operations 18 2.1 The Algebra of Matrices . . . . . . . . . . . 18 2.3 Diagonalisability . . . . . . . . . . . . . . 143 7.4 Theorem of Cayley and Hamilton . . . . . 147 8 Linear Algebra

  10. Panel Session Notes Session II: Energy

    E-Print Network [OSTI]

    Jawitz, James W.

    to make cars more efficient, to make solar panels store more energy to be dispersed throughout the nightPanel Session Notes Session II: Energy Moderator: Dr. Jennifer Curtis Panelists: Dr. Gary Peter price for operating cost and the cost of manufacturing go down, there are many more sectors in the US

  11. A. La Rosa Lecture Notes APPLIED OPTICS

    E-Print Network [OSTI]

    variation of the electric field of the incident radiation Since the corresponding Poynting vector is given ox , which will depend on the electric field amplitude of the incident radiation. So, we need to find electrical charge emits radiation; the latter is camouflaged in the parameter . Note 2: Equation (11

  12. Practice Note Planning for brownfield land

    E-Print Network [OSTI]

    Practice Note Planning for brownfield land regeneration to woodland and wider green infrastructure 1FCPN022 Gail Atkinson and Kieron Doick March 2014 The regeneration of brownfield land to green of brownfield regeneration to woodland in order to inform project planning, raise awareness of lessons learnt

  13. NASA TECHNICAL NOTE APOLLO EXPERIENCE REPORT -

    E-Print Network [OSTI]

    Rathbun, Julie A.

    .' 1 * . NASA TECHNICAL NOTE APOLLO EXPERIENCE REPORT - SPACECRAFT STRUCTURAL WINDOWS by Oruis E(s)) ' Apollo Spacecraft * Chemically Tempered ' Fracture Mechanics 'h e a l e d Glass * Coatings ' Thermally is presented for the Apollo command and lunar modules. This report presents window design philosophy, design

  14. Fishery Notes EI Nino and Its Impact

    E-Print Network [OSTI]

    Fishery Notes EI Nino and Its Impact on Ecuadorean Fisheries Ecuadorean scientists report that an unusually powerful EI Nino in the eastern Pacific is adversely affecting Ecuador's pelagic fisheries. EI. The impact can be partic- ularly severe on larval and juvenile fish and, as a result, the effects of EI Nino

  15. Poor Theory Notes Toward a Manifesto

    E-Print Network [OSTI]

    Loudon, Catherine

    Poor Theory Notes Toward a Manifesto Poor theory is less a theory than a way of proceeding. Poor theory proposes to find ways of making the most of limited resources. Poor theory uses the tools at hand. Poor theory suggests the need to `work around' intransigent problems, when clear solutions

  16. DANE TECHNICAL NOTE INFN -LNF, Accelerator Division

    E-Print Network [OSTI]

    Istituto Nazionale di Fisica Nucleare (INFN)

    K K DANE TECHNICAL NOTE INFN - LNF, Accelerator Division Frascati, 28 November, 2002 IR-12 together with the total losses around the rings. Results seem encouraging, as calculated loss rates at IR2 in details and compared to calculated losses for the KLOE and the DEAR cases. 1 Introduction Background rates

  17. BNL/SNS TECHNICAL NOTE R. Witkover

    E-Print Network [OSTI]

    BNL/SNS TECHNICAL NOTE NO. 126 R. Witkover TechSource, Inc. Santa Fe, NM September 2, 2003 COLLIDER BLM Signal Calibration Constants R. Witkover TechSource, Inc. Santa Fe, NM Background The Beam Loss Monitor (BLM) system is designed to measure beam losses in the SNS using Ion Chambers supplied by BNL

  18. Geochemical and physical properties of soils and shallow sediments at the Savannah River Site

    SciTech Connect (OSTI)

    Looney, B.B.; Eddy, C.A.; Ramdeen, M.; Pickett, J. (Savannah River Lab., Aiken, SC (USA)); Rogers, V. (Soil Conservation Service, Aiken, SC (USA). Savannah River Site Savannah River Lab., Aiken, SC (USA)); Scott, M.T.; Shirley, P.A. (Sirrine Environmental Consultants, Greenville, SC (USA))

    1990-08-31T23:59:59.000Z

    A program to characterize the geochemical and physical properties of the unimpacted soils and shallow sediments at the Savannah River Site (SRS) has been completed. The maximum, minimum, median, standard deviation, and mean values for metals, radionuclides, inorganic anions, organic compounds, and agricultural indicator parameters are summarized for six soil series that were identified as representative of the 29 soil series at SRS. The soils from unimpacted areas of SRS are typical of soils found in moderately aggressive weathering environments, including the southeastern United States. Appendix 8 organic compounds were detected in all samples. Since these constituents are not generally present in soil, this portion of the investigation was intended to assess possible laboratory artifacts. An additional objective of the SRS Soil Study was to determine if the composition of the split spoon sampler biased chemical analysis of the soils. Twenty-five duplicate samples were analyzed for a number of metals, radiological and agricultural parameters, and organics by two laboratories currently contracted with to analyze samples during waste site characterization. In all cases, the absolute values of the average differences are relatively small compared to the overall variability in the population. 31 refs., 14 figs., 48 tabs.

  19. Geophysical Monitoring of Coupled Microbial and Geochemical Processes During Stimulated Subsurface Bioremediation

    SciTech Connect (OSTI)

    Williams, Kenneth H.; Kemna, Andreas; Wilkins, Michael J.; Druhan, Jennifer L.; Arntzen, Evan V.; N'Guessan, A. Lucie; Long, Philip E.; Hubbard, Susan S.; Banfield, Jillian F.

    2009-08-05T23:59:59.000Z

    Understanding how microorganisms alter their physical and chemical environment during bioremediation is hindered by our inability to resolve subsurface microbial activity with high spatial resolution. Here we demonstrate the use of a minimally invasive geophysical technique to monitor stimulated microbial activity during acetate amendment in an aquifer near Rifle, Colorado. During electrical induced polarization (IP) measurements, spatiotemporal variations in the phase response between imposed electric current and the resultant electric field correlated with changes in groundwater geochemistry accompanying stimulated iron and sulfate reduction and sulfide mineral precipitation. The magnitude of the phase response varied with measurement frequency (0.125 and 1 Hz) andwasdependent upon the dominant metabolic process. The spectral effect was corroborated using a biostimulated column experiment containing Rifle sediments and groundwater. Fluids and sediments recovered from regions exhibiting an anomalous phase response were enriched in Fe(II), dissolved sulfide, and cell-associated FeS nanoparticles. The accumulation of mineral precipitates and electroactive ions altered the ability of pore fluids to conduct electrical charge, accounting for the anomalous IP response and revealing the usefulness of multifrequency IP measurements for monitoring mineralogical and geochemical changes accompanying stimulated subsurface bioremediation.

  20. Geochemical evaluation of oils and source rocks from the Western Siberian basin, U. S. S. R

    SciTech Connect (OSTI)

    Peters, K.E.; Huizinga, B.J. (Chevron Overseas Petroleum, Inc., San Ramon, CA (United States)); Moldowan, J.M. (Chevron Oil Field Research Co., Richmond, CA (United States)); Kontorovich, A.E.; Stasova, O. (Siberian Scientific Research Institute for Geology, Geophysics and Mineral Resources, Novobsibirsk (Russian Federation)); Demaison, G.J.

    1991-03-01T23:59:59.000Z

    Although the Western Siberian basin is among the most prolific in the world, there has been disagreement among Soviet geoscientists on the origin of the petroleum within this basin. Screening geochemical analyses were used to select several oils and potential source rocks for a preliminary study using detailed biomarker and supporting geochemistry. Possible sources for this petroleum include rocks of Middle Jurassic, Upper Jurassic, and Lower Cretaceous age. Results indicate that most of the analyzed Western Siberian oils, occurring in reservoirs from Middle Jurassic to Late Cretaceous in age, are derived from the Upper Jurassic Bazhenov Formation. The locations of the samples in the study generally correspond to the distribution of the most effective oil-generative parts of the Bazhenov Formation. Analyses show that the Bazhenov rock samples contain abundant marine algal and bacterial organic matter, preserved under anoxic depositional conditions. Biomarkers show that thermal maturities of the samples range from the early to late oil-generative window and that some are biodegraded. For example, the Salym No. 114 oil, which flowed directly from the Bazhenov Formation, shows a maturity equivalent to the late oil window. The Van-Egan no. 110 oil shows maturity equivalent to the early oil window and is biodegraded. This oil shows preferential microbial conversion of lower homologs of the 17{alpha}, 21{beta}(H)-hopanes to 25-nor-17{alpha}(H)-hopanes.

  1. Integrated geochemical and paleoecological approach to petroleum source rock evaluation, Lower Niobrara Formation (Cretaceous), Lyons, Colorado

    SciTech Connect (OSTI)

    Barlow, L.K.

    1986-10-01T23:59:59.000Z

    A detailed study of paleoecological, geochemical, and stable isotopic properties of the lower Niobrara Formation (upper Turonian to lower Coniacian) was undertaken in order to evaluate petroleum source rock potential and to gain an understanding of the processes affecting variation in organic carbon content. The highest organic carbon contents in the lower Niobrara Formation occur in the lower shale unit of the Smoky Hill Shale Member. Trends in extent of bioturbation, organic carbon contents, and oxygen isotopic ratios of carbonates suggest that paleoclimatic factors influenced bottom water environments during deposition of this unit. A shift toward a more negative oxygen isotopic ratio in the lower shale unit is interpreted to be a result of decreased surface water salinity due to increased fresh water input and possibly to climatic warming. Resultant stratification of the water column limited benthic oxygenation thereby limiting benthic activity, enhancing the preservation of marine organic matter, and increasing source rock potential for petroleum. Data from underlying and overlying units in the lower Niobrara Formation suggest more normal marine conditions with well-oxygenated bottom waters, normal levels of bioturbation, and relatively low organic carbon contents. Pyrolysis data are interpreted to reflect a principally marine source of organic matter with substantial alteration due to bioturbation and thermal evolution. Elevated thermal maturity of the sections at Lyons is inferred to be a local feature caused by local heating associated with fluid movement along fault zones or with emplacement of tertiary sills.

  2. Geochemical studies of crude oil generation, migration, and destruction in Mississippi salt basin

    SciTech Connect (OSTI)

    Sassen, R.; Moore, C.H.; Nunn, J.A.; Meendsen, F.C.; Heydari, E.

    1987-09-01T23:59:59.000Z

    The main source for crude oil in the Mississippi salt basin is the laminated lime mudstone facies of the lower Smackover. Crude oil generation and migration commenced at a level of thermal maturity equivalent to about 0.55% vitrinite reflectance. Short-range lateral migration of crude oil was focused on upper Smackover and Norphlet reservoirs, but vertical migration also charged some overlying Cotton Valley, Rodessa, lower Tuscaloosa, and Eutaw reservoirs. Following migration from the lower Smackover, thermal maturity history of reservoir rocks controls the preservation of crude oil, gas condensate, and methane. Slow thermal cracking of crude oil occurred in deep upper Smackover reservoirs, resulting in formation of gas condensate and precipitation of solid bitumen. The maximum thermal maturity for preservation of condensate is equivalent to about 1.3% vitrinite reflectance. Only methane, pyrobitumen, and nonhydrocarbon gases, including hydrogen sulfide, persist at higher levels of thermal maturity. Early destruction of methane in deep upper Smackover reservoirs near the Wiggins arch is driven by thermochemical sulfate reduction. Lesser availability of sulfate in Norphlet reservoirs could account for methane preservation at higher levels of thermal maturity. One basic geochemical strategy for further exploration of the Mississippi salt basin is to focus exploration effort on traps with reservoirs in the thermal maturity window for hydrocarbon preservation. Another strategy is to avoid drilling traps with overmature reservoir rocks.

  3. Tyndall Briefing Note No. 26 Tyndall Briefing Note No. 26 June 2008

    E-Print Network [OSTI]

    Watson, Andrew

    FOR A GLOBAL EMISSIONS TRADING SCHEME (GETS) FOR INTERNATIONAL BUNKERS (AVIATION AND SHIPPING) A Briefing Note the proposal for a global emissions trading scheme (GETS) included in the Open Letter to the IPCC from

  4. Independent Study in Idaho ISI Course BSU Course NOTES

    E-Print Network [OSTI]

    Barrash, Warren

    Independent Study in Idaho ISI Course BSU Course NOTES Updated 03/2012 Boise State University Administration #12;Independent Study in Idaho ISI Course BSU Course NOTES Updated 03/2012 Boise State University

  5. COMPLETE CULTIVATION BPG NOTE 13 Best Practice Guidance

    E-Print Network [OSTI]

    tipping method, which is detailed in BPG Note 4: Loose tipping. However, there is a legacy of brownfield

  6. EndNote X6 Basics For Windows

    E-Print Network [OSTI]

    will need to choose between two installation types ­ Typical or Custom. If you choose Typical, you EndNote: Opening or creating an EndNote Library Adding bibliographic references or citations to your library Using EndNote with Microsoft Word to organize research papers, insert references using Cite While

  7. Extension Note Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology ~ Silviculture ~

    E-Print Network [OSTI]

    Extension Note Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology,Tsitika Watershed.Research Section,CoastForest Region,BCMOF, Nanaimo, BC. Extension Note EN-021. EN-021 Hydrology ~ Geomorphology ~ Hydrology ~ Pedology ~ Silviculture ~ Wildlife Extension Note EN-021 March 2006 Forest Research

  8. Nolij Corporation Proprietary & Confidential Information Release Notes for Nolij Web

    E-Print Network [OSTI]

    Escher, Christine

    Nolij Corporation Proprietary & Confidential Information Release Notes for Nolij Web Release 6.3.x Web Release 6.3.x Copyright © 2010 - 2011, Nolij Corporation. All rights reserved. Revised 02Release Notes for Nolij Web Release 6.3.x Introduction These release notes provide information about new

  9. LLW notes. Vol. 11, No. 1

    SciTech Connect (OSTI)

    NONE

    1996-02-01T23:59:59.000Z

    `LLW Notes` is distributed by Afton Associates, Inc. to Low-Level Radioactive Waste Forum Participants and other state and compact officials identified by those Participants to receive `LLW Notes`. The Low-Level Radioactive Waste Forum (LLW Forum) is an association of state and compact representatives, appointed by governors and compact commissions, established to facilitate state and compact implementation of the Low-Level Radioactive Waste Policy Act of 1980 and the Low-Level Radioactive Waste Policy Amendments Act of 1985 and to promote the objectives of low-level radioactive waste regional compacts. The LLW Forum provides an opportunity for state and compact officials to share information with one another and to exchange views with officials of federal agencies and other interested parties.

  10. Geochemical Data Package for the 2005 Hanford Integrated Disposal Facility Performance Assessment

    SciTech Connect (OSTI)

    Krupka, Kenneth M.; Serne, R JEFFREY.; Kaplan, D I.

    2004-09-30T23:59:59.000Z

    CH2M HILL Hanford Group, Inc. (CH2M HILL) is designing and assessing the performance of an integrated disposal facility (IDF) to receive low-level waste (LLW), mixed low-level waste (MLLW), immobilized low-activity waste (ILAW), and failed or decommissioned melters. The CH2M HILL project to assess the performance of this disposal facility is the Hanford IDF Performance Assessment (PA) activity. The goal of the Hanford IDF PA activity is to provide a reasonable expectation that the disposal of the waste is protective of the general public, groundwater resources, air resources, surface-water resources, and inadvertent intruders. Achieving this goal will require prediction of contaminant migration from the facilities. This migration is expected to occur primarily via the movement of water through the facilities, and the consequent transport of dissolved contaminants in the vadose zone to groundwater where contaminants may be re-introduced to receptors via drinking water wells or mixing in the Columbia River. Pacific Northwest National Laboratory (PNNL) assists CH2M HILL in their performance assessment activities. One of the PNNL tasks is to provide estimates of the geochemical properties of the materials comprising the IDF, the disturbed region around the facility, and the physically undisturbed sediments below the facility (including the vadose zone sediments and the aquifer sediments in the upper unconfined aquifer). The geochemical properties are expressed as parameters that quantify the adsorption of contaminants and the solubility constraints that might apply for those contaminants that may exceed solubility constraints. The common parameters used to quantify adsorption and solubility are the distribution coefficient (Kd) and the thermodynamic solubility product (Ksp), respectively. In this data package, we approximate the solubility of contaminants using a more simplified construct, called the solution concentration limit, a constant value. The Kd values and solution concentration limits for each contaminant are direct inputs to subsurface flow and transport codes used to predict the performance of the IDF system. In addition to the best-estimate Kd values, a reasonable conservative value and a range are provided. The data package does not list estimates for the range in solubility limits or their uncertainty. However, the data package does provide different values for both the Kd values and solution concentration limits for different spatial zones in the IDF system and does supply time-varying Kd values for the cement solidified waste. The Kd values and solution concentration limits presented for each contaminant were previously presented in a report prepared by Kaplan and Serne (2000) for the 2001 ILAW PA, and have been updated to include applicable data from investigations completed since the issuance of that report and improvements in our understanding of the geochemistry specific to Hanford. A discussion is also included of the evolution of the Kd values recommended from the original 1999 ILAW PA through the 2001 ILAW and 2003 Supplement PAs to the current values to be used for the 2005 IDF PA for the key contaminants of concern: Cr(VI), nitrate, 129I, 79Se, 99Tc, and U(VI). This discussion provides the rationale for why certain Kd have changed with time.

  11. Notes 16. Analysis of tilting pad bearings

    E-Print Network [OSTI]

    San Andres, Luis

    2010-01-01T23:59:59.000Z

    NOTES 16. STATIC AND DYNAMIC FORCED PERFORMANCE OF TILTING PAD BEARINGS: ANALYSIS INCLUDING PIVOT STIFFNESS Dr. Luis San Andr?s Mast-Childs Professor August 2010 SUMMARY Work in progress ? still a lot of be done Introduction... Figure 1 shows a tilting pad journal bearing comprised of four pads. Each pad tilts about its pivot making a hydrodynamic film that generates a pressure reacting to the static load applied on the spinning journal. This type of bearing is typically...

  12. Advanced Analysis: Skeleton notes 1. Fourier Theory

    E-Print Network [OSTI]

    Davies, Christopher

    Advanced Analysis: Skeleton notes 1. Fourier Theory The Fourier series of a function f() on [-, ] is - anein , where an = an(f) = 1 2 - f()e-in d. The Fourier transform of a function f(x) on R is the function ^f() = 1 2 - f(x)e-ix dx, and the Fourier inversion formula is f(x) = - f()eix d. One circle

  13. Notes on Black Hole Fluctuations and Backreaction

    E-Print Network [OSTI]

    B. L. Hu; Alpan Raval; Sukanya Sinha

    1999-01-05T23:59:59.000Z

    In these notes we prepare the ground for a systematic investigation into the issues of black hole fluctuations and backreaction by discussing the formulation of the problem, commenting on possible advantages and shortcomings of existing works, and introducing our own approach via a stochastic semiclassical theory of gravity based on the Einstein-Langevin equation and the fluctuation-dissipation relation for a self-consistent description of metric fluctuations and dissipative dynamics of the black hole with backreaction of its Hawking radiance.

  14. Geochemical information for sites contaminated with low-level radioactive wastes. III. Weldon Spring Storage Site

    SciTech Connect (OSTI)

    Seeley, F.G.; Kelmers, A.D.

    1985-02-01T23:59:59.000Z

    The Weldon Spring Storage Site (WSSS), which includes both the chemical site and the quarry, became radioactively contaminated as the result of wastes that were being stored from operations to recover uranium from pitchblende ores in the 1940s and 1950s. The US Department of Energy (DOE) is considering various remedial action options for the WSSS. This report describes the results of geochemical investigations carried out at Oak Ridge National Laboratory (ORNL) to support these activities and to help quantify various remedial action options. Soil and groundwater samples were characterized, and uranium and radium sorption ratios were measured in site soil/groundwater systems by batch contact methodology. Soil samples from various locations around the raffinate pits were found to contain major amounts of silica, along with illite as the primary clay constituent. Particle sizes of the five soil samples were variable (50% distribution point ranging from 12 to 81 ..mu..m); the surface areas varied from 13 to 62 m/sup 2//g. Elemental analysis of the samples showed them to be typical of sandy clay and silty clay soils. Groundwater samples included solution from Pit 3 and well water from Well D. Anion analyses showed significant concentrations of sulfate and nitrate (>350 and >7000 mg/L, respectively) in the solution from Pit 3. These anions were also present in the well water, but in lower concentrations. Uranium sorption ratios for four of the soil samples contacted with the solution from Pit 3 were moderate to high (approx. 300 to approx. 1000 mL/g). The fifth sample had a ratio of only 12 mL/g. Radium sorption ratios for the five samples were moderate to high (approx. 600 to approx. 1000 mL/g). These values indicate that soil at the WSSS may show favorable retardation of uranium and radium in the groundwater. 13 references, 13 figures, 10 tables.

  15. Model-Based Analysis of the Role of Biological, Hydrological and Geochemical Factors Affecting Uranium Bioremediation

    SciTech Connect (OSTI)

    Zhao, Jiao; Scheibe, Timothy D.; Mahadevan, Radhakrishnan

    2011-01-24T23:59:59.000Z

    Uranium contamination is a serious concern at several sites motivating the development of novel treatment strategies such as the Geobacter-mediated reductive immobilization of uranium. However, this bioremediation strategy has not yet been optimized for the sustained uranium removal. While several reactive-transport models have been developed to represent Geobacter-mediated bioremediation of uranium, these models often lack the detailed quantitative description of the microbial process (e.g., biomass build-up in both groundwater and sediments, electron transport system, etc.) and the interaction between biogeochemical and hydrological process. In this study, a novel multi-scale model was developed by integrating our recent model on electron capacitance of Geobacter (Zhao et al., 2010) with a comprehensive simulator of coupled fluid flow, hydrologic transport, heat transfer, and biogeochemical reactions. This mechanistic reactive-transport model accurately reproduces the experimental data for the bioremediation of uranium with acetate amendment. We subsequently performed global sensitivity analysis with the reactive-transport model in order to identify the main sources of prediction uncertainty caused by synergistic effects of biological, geochemical, and hydrological processes. The proposed approach successfully captured significant contributing factors across time and space, thereby improving the structure and parameterization of the comprehensive reactive-transport model. The global sensitivity analysis also provides a potentially useful tool to evaluate uranium bioremediation strategy. The simulations suggest that under difficult environments (e.g., highly contaminated with U(VI) at a high migration rate of solutes), the efficiency of uranium removal can be improved by adding Geobacter species to the contaminated site (bioaugmentation) in conjunction with the addition of electron donor (biostimulation). The simulations also highlight the interactive effect of initial cell concentration and flow rate on U(VI) reduction.

  16. Geochemical evidence for the hydrology of a Tamarack-peat bog, Brimfield Township, Portage County, Ohio

    SciTech Connect (OSTI)

    Wilson, T.P.; Miller, L.A. (Kent State Univ., OH (United States). Dept. of Geology and Water Resources)

    1992-01-01T23:59:59.000Z

    Peat Bogs and wetlands represent unique environmental settings what are increasingly subjected to anthropogenic stresses involving inputs of water and chemicals. This study used geochemical and hydrologic monitoring to determine the inputs and fates of elements of the Kent-Brimfield bog located in Portage County, Ohio. Based on physical and chemical information collected over one year, a model is proposed here describing the hydrologic connection between a bog and shallow ground water surrounding the bog. The chemical composition of precipitation, soil water and ground water in the bog vicinity were monitored for one year. Field measurements included water levels, pH, Eh, alkalinity and temperature. Trace metal content of the peat, the pore waters, soil water and ground waters were determined by GFAA, ICP and LIC methods. This bog was found to function as part of a perched water table aquifer. Water in the upper 3 m of the bog is found to be chemically similar to precipitation, but modified by reactions involving dissolution of mineral matter and biologic processes. The chemistry of water deeper in the bog (> 3m) resembles shallow ground water surrounding the bog, modified by weathering of underlying geologic materials and sulfate reduction. This similarity, along with ground water elevations within and outside of the bog, supports that shallow ground water interacts with, and helps maintain water levels in the upper surface of the bog. From these results, a model is proposed for the seasonal variations in hydrologic processes operating in the wetland and surrounding basin, and describes how wetlands may change seasonally from being influent to effluent systems.

  17. Organic geochemical constraints on tectonic evolution of the North American Midcontinent rift

    SciTech Connect (OSTI)

    Hieshima, G.B. (Exxon Production Research Co., Houston, TX (United States)); Pratt, L.M. (Indiana Univ., Bloomington, IN (United States). Dept. of Geological Sciences)

    1992-01-01T23:59:59.000Z

    The approximately 1.1 Ga Nonesuch Formation, northern Wisconsin and Michigan, represents marine sedimentation in a failed continental rift that is part of the North American Midcontinent rift system. Indicators of thermal maturity based on solvent-extractable (bitumen) and insoluble (kerogen) organic matter suggest marginal to moderate levels of maturity with respect to zones of petroleum generation and preservation. Values of sterane 20S/(20S + 20R) ratio, hopane 22S/(22S + 22R) ratio, methylphenanthrene index, and temperature of maximum pyrolytic yield from Rock-Eval (Tmax) indicate maximum burial temperatures of around 80 C. Geologic constraints indicate maximum burial conditions for the Nonesuch of around 4 km for approximately 50 million years. Overlying sandstones buried the Nonesuch quickly. Assuming a surface temperature of around 20 C yields a geothermal gradient of 15 C/km, significantly lower than predicted based on heat flow in modern rifts. Unless burial histories are grossly inaccurate, geothermal gradients were depressed as a result of thermal insulation by non-radiogenic basalts and/or hydrologic circulation in underlying coarse-grained strata generated an anomalously low geothermal gradient. Hydrothermal circulation was a significant component of mineralization in the structurally complex White Pine deposit, lending credence to the hypothesis that hydrologic circulation caused regionally depressed geothermal gradients. In addition, regional heat flow may have been low as a result of the insulating effect of a thick accumulation of rift basalts represented by the Portage Lake Volcanics. Organic geochemical indicators of thermal alteration provide a framework for interpreting tectonic development of the North American Midcontinent rift system.

  18. Extension Note Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology ~ Silviculture ~ Wildlife

    E-Print Network [OSTI]

    Extension Note Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology ~ Silviculture ~ Wildlife Extension Note EN-007

  19. Extension Note Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology ~ Silviculture ~ Wildlife

    E-Print Network [OSTI]

    Extension Note Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology ~ Silviculture ~ Wildlife Extension Note

  20. Sampling designs for geochemical baseline studies in the Colorado oil shale region: a manual for practical application

    SciTech Connect (OSTI)

    Klusman, R. W.; Ringrose, C. D.; Candito, R. J.; Zuccaro, B.; Rutherford, D. W.; Dean, W. E.

    1980-06-01T23:59:59.000Z

    This manual presents a rationale for sampling designs, and results of geochemical baseline studies in the Colorado portion of the oil-shale region. The program consists of a systematic trace element study of soils, stream sediments, and plants carried out in a way to be conservative of human and financial resources and yield maximum information. Extension of this approach to other parameters, other locations, and to environmental baseline studies in general is a primary objective. A baseline for any geochemical parameter can be defined as the concentration of that parameter in a given medium such as soil, the range of its concentration, and the geographic scale of variability. In air quality studies, and to a lesser extent for plants, the temporal scale of variability must also be considered. In studies of soil, the temporal variablility does not become a factor until such time that a study is deemed necessary to evaluate whether or not there have been changes in baseline levels as a result of development. The manual is divided into five major parts. The first is a suggested sampling protocol which is presented in an outline form for guiding baseline studies in this area. The second section is background information on the physical features of the area of study, trace elements of significance occurring in oil shale, and the sample media used in these studies. The third section is concerned primarily with sampling design and its application to the geochemical studies of the oil shale region. The last sections, in the form of appendices, provide actual data and illustrate in a systematic manner, the calculations performed to obtain the various summary data. The last segment of the appendices is a more academic discussion of the geochemistry of trace elements and the parameters of importance influencing their behavior in natural systems.

  1. GIS Regional Spatial Data from the Great Basin Center for Geothermal Energy: Geochemical, Geodesic, Geologic, Geophysical, Geothermal, and Groundwater Data

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

    The Great Basin Center for Geothermal Energy, part of the University of Nevada, Reno, conducts research towards the establishment of geothermal energy as an economically viable energy source within the Great Basin. The Center specializes in collecting and synthesizing geologic, geochemical, geodetic, geophysical, and tectonic data, and using Geographic Information System (GIS) technology to view and analyze this data and to produce favorability maps of geothermal potential. The center also makes its collections of spatial data available for direct download to the public. Data are in Lambert Conformable Conic Projection.

  2. Geochemical Processes at the Carbon Steel/Bentonite Interface in Repository Conditions

    SciTech Connect (OSTI)

    Torres, Elena; Turrero, Maria Jesus; Martin, Pedro Luis [Division of Engineered and Geological Barriers, Ciemat, Avenida Complutense 22, Madrid, 28047 (Spain)

    2007-07-01T23:59:59.000Z

    The Deep Geological Repository (DGR) is currently the most accepted management option for the isolation of high level radioactive wastes. The DGR is based on a multi-barrier system, which will limit releases of mobile radionuclides to the biosphere. In the Spanish design of the repository the spent fuel is encapsulated in canisters of carbon steel. The space between the canister and the host geological formation will be filled with bentonite buffer clay. The effects of the reactions occurring in the canister/compacted bentonite interface should be understood for assessing the waste isolation. If canister failure due to corrosion occurs [1] the iron will be in contact with the bentonite affecting its properties, both in terms of the chemical evolution of the pore water and the properties of the bentonite. Iron precipitates can significantly change the properties of bentonite crucial for the migration of radionuclides such as porosity or sorption capacity. Ferrous ions can also pass through bentonite and precipitate as iron oxy-hydroxides that can form pseudocolloids with radionuclides and quickly migrate in the host rock without sorption. But, the major effect of corrosion products will probably be the change of pH and E{sub h} affecting the stability of the barrier and the release rate of radionuclides. There are a number of studies on the corrosion of metals that could be used as canister [2], also studies on the iron-bentonite interaction [3], but not as many studies are focused to the iron-compacted bentonite interaction [4,5] and the associated mineralogical, chemical and physicochemical transformations of the bentonite [6]. The experimental studies conducted by CIEMAT are focused on the iron canister corrosion products interaction with the bentonite system and are based on a series of short term and medium term experiments conceived at different scales, from conventional laboratory experiments and experiments in cylindrical cells, to those specifically designed 3D mock up experiments, the so called 'GAME (Geochemical Mock up experiments) scale'. The experiments proposed in the context of the NF-PRO project (which is focused on understanding physical and numerical modelling of the key processes in the Near-Field, and their coupling, for different host rocks and repository strategies) have two main objectives: the study of the corrosion products generated in the canister/bentonite interface at the repository conditions, and to determine how the corrosion affects the properties of the bentonite. This paper describes the first tests performed to reach the objectives proposed and presents the results on the analyses of the corrosion products from carbon steel in contact with bentonite for a period of six months and one year subjected to heating and hydration. (authors)

  3. Final Report: Molecular Basis for Microbial Adhesion and Geochemical Surface Reactions: A Study Across Scales

    SciTech Connect (OSTI)

    Dixon, David Adams [The University of Alabama

    2013-06-27T23:59:59.000Z

    Computational chemistry was used to help provide a molecular level description of the interactions of Gram-negative microbial membranes with subsurface materials. The goal is to develop a better understanding of the molecular processes involved in microbial metal binding, microbial attachment to mineral surfaces, and, eventually, oxidation/reduction reactions (electron transfer) that can occur at these surfaces and are mediated by the bacterial exterior surface. The project focused on the interaction of the outer microbial membrane, which is dominated by an exterior lipopolysaccharide (LPS) portion, of Pseudomonas aeruginosa with the mineral goethite and with solvated ions in the environment. This was originally a collaborative project with T.P. Straatsma and B. Lowery of the Pacific Northwest National Laboratory. The University of Alabama effort used electronic structure calculations to predict the molecular behavior of ions in solution and the behavior of the sugars which form a critical part of the LPS. The interactions of the sugars with metal ions are expected to dominate much of the microscopic structure and transport phenomena in the LPS. This work, in combination with the molecular dynamics simulations of Straatsma and the experimental electrochemistry and microscopy measurements of Lowry, both at PNNL, is providing new insights into the detailed molecular behavior of these membranes in geochemical environments. The effort at The University of Alabama has three components: solvation energies and structures of ions in solution, prediction of the acidity of the critical groups in the sugars in the LPS, and binding of metal ions to the sugar anions. An important aspect of the structure of the LPS membrane as well as ion transport in the LPS is the ability of the sugar side groups such as the carboxylic acids and the phosphates to bind positively charged ions. We are studying the acidity of the acidic side groups in order to better understand the ability of these groups to bind metal ions. We need to understand the solvation properties of the metal ions in solution and their ability to bind not only to the sugars but to proteins and to other anions. Our goal is then to be able to predict the ability of the side groups to bind metal ions. One result from the earlier molecular dynamics simulations is the exclusion of water from the inner hydrophobic part of the membrane. We thus need to investigate the binding of the cations in media with different dielectric constants.

  4. Notes 04. Elements of analytical dynamics.

    E-Print Network [OSTI]

    San Andres, Luis

    2008-01-01T23:59:59.000Z

    T is 1 11 1 111 1 2 1 2 1 2 1 2 N ii i i Nn n ii ii ir s ir s rs Nnn n ii i i ii irss irs s rs s mr r m tt m ttt T rr rr qq rr r r rr Tqqq qq q = == = === = ? ???? ???? ++ ???? ???? ?? ?? ?? ++? ?? ?? == ?? ?? ? ????? = ? ? ?? ? ??? ? #0;G#0;G #0... with the directions of the generalized displacements, thus () 11 2 2 1 .... n nc n n s s s WQqQq Qq Qq? ?? ? ? = =++ ? (41) Note that the generalized force Q k may NOT need to actually represent a force or a moment. However, the product Q k ?q k MUST...

  5. ConsumTechNotes2012.vp

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for On-Highway4,1,50022,3,,,,6,1,9,1,50022,3,,,,6,1,Decade Year-0E (2001)gasoline prices4Consumption TheX I AConsumptionNote: The

  6. ConsumTechNotes2012.vp

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for On-Highway4,1,50022,3,,,,6,1,9,1,50022,3,,,,6,1,Decade Year-0E (2001)gasoline prices4Consumption TheX I AConsumptionNote:

  7. ConsumTechNotes2012.vp

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for On-Highway4,1,50022,3,,,,6,1,9,1,50022,3,,,,6,1,Decade Year-0E (2001)gasoline prices4Consumption TheX I AConsumptionNote:

  8. Property:ExplorationNotes | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation,PillarPublicationTypeEstimatedCostMedianUSDExplorationNotes Jump to: navigation,

  9. Manhattan Project: A Note on Sources

    Office of Scientific and Technical Information (OSTI)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOnItem NotEnergy, science, and technology-- Energy, science, andD ModelWidgetA NOTE ON

  10. INEEL Subregional Conceptual Model Report Volume 2: Summary of Existing Knowledge of Geochemical Influences on the Fate and Transport of Contaminants in the Subsurface at the INEEL

    SciTech Connect (OSTI)

    Paul L. Wichlacz; Robert C. Starr; Brennon Orr

    2003-09-01T23:59:59.000Z

    This document summarizes previous descriptions of geochemical system conceptual models for the vadose zone and groundwater zone (aquifer) beneath the Idaho National Engineering and Environmental Laboratory (INEEL). The primary focus is on groundwater because contaminants derived from wastes disposed at INEEL are present in groundwater, groundwater provides a pathway for potential migration to receptors, and because geochemical characteristics in and processes in the aquifer can substantially affect the movement, attenuation, and toxicity of contaminants. The secondary emphasis is perched water bodies in the vadose zone. Perched water eventually reaches the regional groundwater system, and thus processes that affect contaminants in the perched water bodies are important relative to the migration of contaminants into groundwater. Similarly, processes that affect solutes during transport from nearsurface disposal facilities downward through the vadose zone to the aquifer are relevant. Sediments in the vadose zone can affect both water and solute transport by restricting the downward migration of water sufficiently that a perched water body forms, and by retarding solute migration via ion exchange. Geochemical conceptual models have been prepared by a variety of researchers for different purposes. They have been published in documents prepared by INEEL contractors, the United States Geological Survey (USGS), academic researchers, and others. The documents themselves are INEEL and USGS reports, and articles in technical journals. The documents reviewed were selected from citation lists generated by searching the INEEL Technical Library, the INEEL Environmental Restoration Optical Imaging System, and the ISI Web of Science databases. The citation lists were generated using the keywords ground water, groundwater, chemistry, geochemistry, contaminant, INEL, INEEL, and Idaho. In addition, a list of USGS documents that pertain to the INEEL was obtained and manually searched. The documents that appeared to be the most pertinent were selected from further review. These documents are tabulated in the citation list. This report summarizes existing geochemical conceptual models, but does not attempt to generate a new conceptual model or select the ''right'' model. This document is organized as follows. Geochemical models are described in general in Section 2. Geochemical processes that control the transport and fate of contaminants introduced into groundwater are described in Section 3. The natural geochemistry of the Eastern Snake River Plain Aquifer (SRPA) is described in Section 4. The effect of waste disposal on the INEEL subsurface is described in Section 5. The geochemical behavior of the major contaminants is described in Section 6. Section 7 describes the site-specific geochemical models developed for various INEEL facilities.

  11. Development and Application of a Paleomagnetic/Geochemical Method for Constraining the Timing of Burial Diagenetic and Fluid

    SciTech Connect (OSTI)

    Elmore, Richard D.; Engel, Michael H.

    2005-03-10T23:59:59.000Z

    Studies of diagenesis caused by fluid migration or other events are commonly hindered by a lack of temporal control. Our results to date demonstrate that a paleomagnetic/geochemical approach can be used to date fluid migration as well as burial diagenetic events. Our principal working hypothesis is that burial diagenetic processes (e.g., maturation of organic-rich sediments and clay diagenesis) and the migration of fluids can trigger the authigenesis of magnetic mineral phases. The ages of these events can be constrained by comparing chemical remanent magnetizations (CRMs) to independently established Apparent Polar Wander Paths. While geochemical (e.g. stable isotope and organic analyses) and petrographic studies provide important clues for establishing these relationships, the ultimate test of this hypothesis requires the application of independent dating methods to verify the paleomagnetic ages. Towards this end, we have used K-Ar dating of illitization as an alternative method for constraining the ages of magnetic mineral phases in our field areas.

  12. Geochemical characteristics of the Bulgarmarse Granite of the Fall River Pluton in the Avalonian Superterrane of southeastern New England

    SciTech Connect (OSTI)

    Mancuso, C.I.; Puffer, J.H. (Rutgers, The State Univ. of New Jersey, Newark, NJ (United States). Dept. of Geological Sciences)

    1993-03-01T23:59:59.000Z

    The 600 m.y. Bulgarmarsh Granite of the Fall River Pluton crops out along the SE margin of the Pennsylvanian-age Narragansett Basin in the Dedham terrane of the New England Avalonian Superterrane. The Bulgarmarsh is a coarse-grained, quartz-rich, very leucooratic granite, in which mafic minerals, generally less than 5--8%, occur chiefly as chlorite, biotite and garnet disequilibrium intergrowths. Most of the granite is very slightly deformed, but there are many localized zones of deformation, both brittle and plastic, that vary in degree of intensity. The Bulgarmarsh intrudes Basin margin metavolcanics similar to those of Price Neck Formation that crop out within the Basin in Newport and on Gould Island. The Bulgarmarsh Granite has many of the mineralogical and geochemical characteristics of an A-type granite. Its geochemistry places it in the post-orogenic classification of Maniar and Piccoli (1989). New major and minor element geochemical data clearly discriminate between the Bulgarmarsh Granite and the adjacent calc-alkaline Metacom Granite Gneiss. Avalonian Orogeny, occupying a place in geologic history similar to that of the Newport Granite.

  13. Preliminary delineation of natural geochemical reactions, Snake River Plain aquifer system, Idaho National Engineering Laboratory and vicinity, Idaho

    SciTech Connect (OSTI)

    Knobel, L.L.; Bartholomay, R.C.; Orr, B.R.

    1997-05-01T23:59:59.000Z

    The U.S. Geological Survey, in cooperation with the U.S. Department of Energy, is conducting a study to determine the natural geochemistry of the Snake River Plain aquifer system at the Idaho National Engineering Laboratory (INEL), Idaho. As part of this study, a group of geochemical reactions that partially control the natural chemistry of ground water at the INEL were identified. Mineralogy of the aquifer matrix was determined using X-ray diffraction and thin-section analysis and theoretical stabilities of the minerals were used to identify potential solid-phase reactants and products of the reactions. The reactants and products that have an important contribution to the natural geochemistry include labradorite, olivine, pyroxene, smectite, calcite, ferric oxyhydroxide, and several silica phases. To further identify the reactions, analyses of 22 representative water samples from sites tapping the Snake River Plain aquifer system were used to determine the thermodynamic condition of the ground water relative to the minerals in the framework of the aquifer system. Principal reactions modifying the natural geochemical system include congruent dissolution of olivine, diopside, amorphous silica, and anhydrite; incongruent dissolution of labradorite with calcium montmorillonite as a residual product; precipitation of calcite and ferric oxyhydroxide; and oxidation of ferrous iron to ferric iron. Cation exchange reactions retard the downward movement of heavy, multivalent waste constituents where infiltration ponds are used for waste disposal.

  14. Geologic, geochemical, and geographic controls on NORM in produced water from Texas oil, gas, and geothermal reservoirs. Final report

    SciTech Connect (OSTI)

    Fisher, R.

    1995-08-01T23:59:59.000Z

    Water from Texas oil, gas, and geothermal wells contains natural radioactivity that ranges from several hundred to several thousand Picocuries per liter (pCi/L). This natural radioactivity in produced fluids and the scale that forms in producing and processing equipment can lead to increased concerns for worker safety and additional costs for handling and disposing of water and scale. Naturally occurring radioactive materials (NORM) in oil and gas operations are mainly caused by concentrations of radium-226 ({sup 226}Ra) and radium-228 ({sup 228}Ra), daughter products of uranium-238 ({sup 238}U) and thorium-232 ({sup 232}Th), respectively, in barite scale. We examined (1) the geographic distribution of high NORM levels in oil-producing and gas-processing equipment, (2) geologic controls on uranium (U), thorium (Th), and radium (Ra) in sedimentary basins and reservoirs, (3) mineralogy of NORM scale, (4) chemical variability and potential to form barite scale in Texas formation waters, (5) Ra activity in Texas formation waters, and (6) geochemical controls on Ra isotopes in formation water and barite scale to explore natural controls on radioactivity. Our approach combined extensive compilations of published data, collection and analyses of new water samples and scale material, and geochemical modeling of scale Precipitation and Ra incorporation in barite.

  15. Tyndall Briefing Note No. 35 Tyndall Briefing Note No. 35 April 2009

    E-Print Network [OSTI]

    Watson, Andrew

    of East Anglia This Briefing Note is the first in a series of opinion pieces from Tyndall Centre The past 50 years: It is undeniable that over the past fifty years, agricultural science and new. The challenge: In coming decades we need to double food production, meet food safety standards, enhance rural

  16. BEG/CEE-UT Think Corner Research Note, June 2012, 1 Think Corner Research Note

    E-Print Network [OSTI]

    Texas at Austin, University of

    : Analysis based on U.S. EIA regional data. #12;© BEG/CEE-UT Think Corner Research Note, 18 May 2012, 2 Two natural gas production. Our methodology is a "top down" approach based on corporate financial reports periodic tracking as well as extension and expansion of our producer survey. 2 1 Foss, M.M., M. Wainberg

  17. Queer as 2 Three Pound Notes #2

    E-Print Network [OSTI]

    Multiple Contributors

    1991-01-01T23:59:59.000Z

    ?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3 TWO ?3 NOTES ?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3 ?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3 Issue Number Two in the BENT COPPERS Series ?3?3?3...?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3 ?AS ?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3 ?3?3?3 ?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?AS TWO ?3 NOTES?3?3?3...

  18. Dr. T.P. Clement CE 3010 class notes

    E-Print Network [OSTI]

    Clement, Prabhakar

    8/15/2011 1 Dr. T.P. Clement CE 3010 class notes Learning Objectives · Motivation · Basic approach value of the definite integral 2 b a dxxf )( Dr. T.P. Clement CE 3010 class notes Analytical (or exact a dxxf )( Dr. T.P. Clement CE 3010 class notes Trapezoidal Rule F(x) #12;8/15/2011 2 Dr. T.P. Clement CE

  19. Optimization Online - Note: Optimal non-homogeneous composites ...

    E-Print Network [OSTI]

    Tavakoli Rouhollah

    2012-08-29T23:59:59.000Z

    Aug 29, 2012 ... Note: Optimal non-homogeneous composites for dynamic loading revisited. Tavakoli Rouhollah (rtavakoli ***at*** sharif.ir). Abstract: The ...

  20. A Note on KKT Points of Homogeneous Programs 1'

    E-Print Network [OSTI]

    2005-07-11T23:59:59.000Z

    A Note on KKT Points of Homogeneous Programs 1'. Y. B. Zhao 2 and D. Li 3. Abstract. Homogeneous programming is an important class of optimization ...

  1. A note on complexity of multistage stochastic programs

    E-Print Network [OSTI]

    Marcus de Mendes C. R. Reaiche

    2014-11-20T23:59:59.000Z

    Nov 20, 2014 ... A note on complexity of multistage stochastic programs. Marcus de Mendes C. R. Reaiche(mmcr ***at*** impa.br). Abstract: In Shapiro [2006], ...

  2. Notes 06. Liquid cavitation in fluid film bearings

    E-Print Network [OSTI]

    San Andres, Luis

    2009-01-01T23:59:59.000Z

    NOTES 6. CAVITATION IN LIQUID FILM BEARINGS. Dr. Luis San Andr?s ? 2009 1 NOTES 6. LIQUID CAVITATION IN FLUID FILM BEARINGS Lecture 6 describes the phenomenon of liquid cavitation in steadily loaded fluid film bearings and notes the most... ? Density at Pcav [kg/m 3 ] ? Fluid absolute viscosity [N.s/m 2 ] ? Journal angular speed (rad/s) Subscripts * Inception of the cavitation zone a Ambient value cav Cavitation NOTES 6. CAVITATION IN LIQUID FILM BEARINGS. Dr. Luis San Andr?s ? 2009...

  3. Queer As a Three Pound Note #1 

    E-Print Network [OSTI]

    Multiple Contributors

    1991-01-01T23:59:59.000Z

    -Type text/plain; charset=ISO-8859-1 ?AS A ?3 N O TE ?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3 ?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3 ?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3 Issue Number One in the BENT COPPERS Series A slash... upon or conflict with other holders of copyrights. No reprints of any type are permitted without express, written permission of the publisher and individual contributors involved. 2 ?3?3?3 ?3?3?3 ?As a ?3 Note?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3?3...

  4. Geochemical monitoring at Soultz-sous-Forts (France) between October 2006 and March 2007 1 EC Contract SES6-CT-2003-502706

    E-Print Network [OSTI]

    Boyer, Edmond

    presents the main results obtained during the geochemical monitoring of the fluids and deposits collected of the fractured areas, and recovering significant amounts of drilling wastes (grease, rests of cuttings), rock was initiated in 2001. Three wells, drilled at a depth of about 5000 m, must make up the heat exchanger. GPK-3

  5. Unknown (Native) 5 

    E-Print Network [OSTI]

    James R. Manhart

    2011-08-10T23:59:59.000Z

    capabilities and code validation, a model of the GT-MHR reactor pressure vessel (RPV) was developed. Based on the currently available data, a model of the NGNP RPV was then developed through modifying the GT-MHR RPV model. For both RPV models, coolant outlet...

  6. Four unknown constants

    E-Print Network [OSTI]

    2009-02-27T23:59:59.000Z

    Purdue University. West Lafayette, IN 47907 banuelos@math.purdue.edu. 1 Four inequalities. Let ? ? R2 be an arbitrary simply connected domain in the plane.

  7. Testing for the Possible Influence of Unknown Climate Forcings upon Global Temperature Increases from 1950-2000

    SciTech Connect (OSTI)

    Anderson, Bruce T.; Knight, Jeff R.; Ringer, Mark A.; Yoon, Jin-Ho; Cherchi, Annalisa

    2012-10-15T23:59:59.000Z

    Global-scale variations in the climate system over the last half of the twentieth century, including long-term increases in global-mean near-surface temperatures, are consistent with concurrent human-induced emissions of radiatively active gases and aerosols. However, such consistency does not preclude the possible influence of other forcing agents, including internal modes of climate variability or unaccounted for aerosol effects. To test whether other unknown forcing agents may have contributed to multidecadal increases in global-mean near-surface temperatures from 1950 to 2000, data pertaining to observed changes in global-scale sea surface temperatures and observed changes in radiatively active atmospheric constituents are incorporated into numerical global climate models. Results indicate that the radiative forcing needed to produce the observed long-term trends in sea surface temperatures—and global-mean near-surface temperatures—is provided predominantly by known changes in greenhouse gases and aerosols. Further, results indicate that less than 10% of the long-term historical increase in global-mean near-surface temperatures over the last half of the twentieth century could have been the result of internal climate variability. In addition, they indicate that less than 25%of the total radiative forcing needed to produce the observed long-term trend in global-mean near-surface temperatures could have been provided by changes in net radiative forcing from unknown sources (either positive or negative). These results, which are derived from simple energy balance requirements, emphasize the important role humans have played in modifying the global climate over the last half of the twentieth century.

  8. BRIEFING NOTE SUMMARY OF MATTERS CONSIDERED BY THE MANAGEMENT BOARD

    E-Print Network [OSTI]

    Report. Members briefly discussed the issue of the management of capital works, noting the success projects were that: a. While much of the work of project management could be outsourced, each project1 BRIEFING NOTE SUMMARY OF MATTERS CONSIDERED BY THE MANAGEMENT BOARD ON FRIDAY, 28 APRIL 2006

  9. Technical Note Variational free energy and the Laplace approximation

    E-Print Network [OSTI]

    Daunizeau, Jean

    Technical Note Variational free energy and the Laplace approximation Karl Friston,a, Jérémie October 2006 This note derives the variational free energy under the Laplace approximation, with a focus. This is relevant when using the free energy as an approximation to the log-evidence in Bayesian model averaging

  10. Extension Note Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology ~ Silviculture ~

    E-Print Network [OSTI]

    Extension Note Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology Hudson and Axel Anderson KEYWORDS: Water management, Coastal watersheds, hydrological modeling CITATIONPractice. ResearchSection,Coast ForestRegion, BCMOF,Nanaimo, BC. Extension Note EN-022. EN-022 Hydrology March 2006

  11. Dr. T.P. Clement CE 3010 class notes

    E-Print Network [OSTI]

    Clement, Prabhakar

    1 Dr. T.P. Clement CE 3010 class notes Quotes · Genius is 1 percent inspiration and 99 percent in little things. Excellence is not an exception, it is a prevailing attitude Colin Powell 1 Dr. T.P · Combining conditions · Loops · Examples 2 Dr. T.P. Clement CE 3010 class notes Program to Find Real Roots

  12. 1 ACIT Meeting Notes Advisory Committee for Information Technology

    E-Print Network [OSTI]

    California at Santa Cruz, University of

    1 ACIT Meeting Notes Advisory Committee for Information Technology Meeting Notes MEETING DATE: 11. There was less emphasis on technology and more on communication and governance structure. Mary will respond as the biggest issues in next few years. Feedback included: Mobility and mobile computing (already behind curve

  13. APPLICATION OF SEWAGE SLUDGES AND COMPOSTS BPG NOTE 6

    E-Print Network [OSTI]

    APPLICATION OF SEWAGE SLUDGES AND COMPOSTS BPG NOTE 6 Best Practice Guidance for Land Regeneration harmful organisms (plant, animal and human pathogens) in insufficiently composted materials · If C NOTE 6 PAGE 2 Applications of sewage sludges and composts Forestry Tree growth on nutrient

  14. 1 ACIT Meeting Notes Advisory Committee for Information Technology

    E-Print Network [OSTI]

    California at Santa Cruz, University of

    1 ACIT Meeting Notes Advisory Committee for Information Technology Meeting Notes MEETING DATE: 11 compiling a timeline highlighting changes in the world of technology at large, as well as UCSC-specific. The committee reflected on how far technology has come (examples below). Netscape, punch cards, modem, PDP II

  15. 1 ACIT Meeting Notes Advisory Committee for Information Technology

    E-Print Network [OSTI]

    California at Santa Cruz, University of

    1 ACIT Meeting Notes Advisory Committee for Information Technology Meeting Notes MEETING DATE: 12. Larrabee] Tracy Larrabee presented on her use of technology in the classroom. Her experience has been that there is the same face time and interaction as in-class education, and technology only enriches the learning

  16. DA NE TECHNICAL NOTE INFN -LNF, Accelerator Division

    E-Print Network [OSTI]

    Istituto Nazionale di Fisica Nucleare (INFN)

    K K DA NE TECHNICAL NOTE INFN - LNF, Accelerator Division Frascati, Sept. 2, 1991 Note: G-7 ENERGY LOSS DUE TO THE BROAD-BAND IMPEDANCE IN DA NE L. Palumbo, M. Serio 1. INTRODUCTION The Broad-Band (BB to simplify the evaluation of single-bunch instability thresholds and parasitic losses [1]. Lacking detailed

  17. TECHNICAL NOTES Drought Storage Allocation Rules for Surface

    E-Print Network [OSTI]

    Pasternack, Gregory B.

    TECHNICAL NOTES Drought Storage Allocation Rules for Surface Reservoir Systems Jay R. Lund1 Abstract: This technical note develops a simple drought storage allocation rule to minimize evaporative and seepage water losses from a system of reservoirs. Such a rule might have value during a prolonged drought

  18. DA NE TECHNICAL NOTE INFN -LNF, Accelerator Division

    E-Print Network [OSTI]

    Istituto Nazionale di Fisica Nucleare (INFN)

    K K DA NE TECHNICAL NOTE INFN - LNF, Accelerator Division Frascati, Sept. 2, 1991 Note: G-8 RF AND RESISTIVE ENERGY LOSS IN THE INTERACTION REGION VACUUM CHAMBER S. Bartalucci, L. Palumbo, M. Serio, B-section variation leads to sub- stantial energy losses localized in the IR vacuum chamber even if the steps in cross

  19. DA NE TECHNICAL NOTE INFN -LNF, Accelerator Division

    E-Print Network [OSTI]

    Istituto Nazionale di Fisica Nucleare (INFN)

    K K DA NE TECHNICAL NOTE INFN - LNF, Accelerator Division Frascati, April 6, 1992 Note: G-13 RF ENERGY LOSSES AND IMPEDANCE OF THE DA NE ACCUMULATOR RING VACUUM CHAMBER S. Bartalucci, L. Palumbo, M chamber. This field acts back on the beam and it is re- sponsible for energy losses and instabilities. We

  20. TOUGHREACT User's Guide: A Simulation Program for Non-isothermal Multiphase Reactive geochemical Transport in Variable Saturated Geologic Media

    SciTech Connect (OSTI)

    Xu, Tianfu; Sonnenthal, Eric; Spycher, Nicolas; Pruess, Karsten

    2004-05-24T23:59:59.000Z

    Coupled modeling of subsurface multiphase fluid and heat flow, solute transport and chemical reactions can be used for the assessment of mineral alteration in hydrothermal systems, waste disposal sites, acid mine drainage remediation, contaminant transport, and groundwater quality. A comprehensive non-isothermal multi-component reactive fluid flow and geochemical transport simulator, TOUGHREACT, has been developed. A wide range of subsurface thermo-physical-chemical processes is considered under various thermohydrological and geochemical conditions of pressure, temperature, water saturation, and ionic strength. The program can be applied to one-, two- or three-dimensional porous and fractured media with physical and chemical heterogeneity. The model can accommodate any number of chemical species present in liquid, gas and solid phases. A variety of equilibrium chemical reactions are considered, such as aqueous complexation, gas dissolution/exsolution, and cation exchange. Mineral dissolution/precipitation can proceed either subject to local equilibrium or kinetic conditions. Changes in porosity and permeability due to mineral dissolution and precipitation can be considered. Linear adsorption and decay can be included. For the purpose of future extensions, surface complexation by double layer model is coded in the program. Xu and Pruess (1998) developed a first version of a non-isothermal reactive geochemical transport model, TOUGHREACT, by introducing reactive geochemistry into the framework of the existing multi-phase fluid and heat flow code TOUGH2 (Pruess, 1991). Xu, Pruess, and their colleagues have applied the program to a variety of problems such as: (1) supergene copper enrichment (Xu et al, 2001), (2) caprock mineral alteration in a hydrothermal system (Xu and Pruess, 2001a), and (3) mineral trapping for CO{sub 2} disposal in deep saline aquifers (Xu et al, 2003b and 2004a). For modeling the coupled thermal, hydrological, and chemical processes during heater tests at proposed nuclear waste disposal site at Yucca Mountain (Nevada), Sonnenthal and Spycher (2000) and Spycher et al. (2003) enhanced TOUGHREACT on (1) high temperature geochemistry, (2) mineral reactive surface area calculations, and (3) porosity and permeability changes due to mineral alteration. On the other hand, Pruess et al. (1999) updated the TOUGH2 simulator to TOUGH2 V2. The present version of TOUGHREACT was developed by introducing the work of Sonnenthal and Spycher (2000) to the original work of Xu and Pruess (1998), and by replacing TOUGH2 (Pruess, 1991) by TOUGH2 V2 (Pruess et al, 1999). The TOUGHREACT program makes use of ''self-documenting'' features. It is distributed with a number of input data files for sample problems. Besides providing benchmarks for proper code installation, these can serve as self-teaching tutorial in the use of TOUGHREACT, and they provide templates to help jump-start new applications. The fluid and heat flow part of TOUGHREACT is derived from TOUGH2 V2, so in addition to the current manual, users must have manual of the TOUGH2 V2 (Pruess et al., 1999). The present version of TOUGHREACT provides the following different TOUGH2 fluid property or ''EOS'' (equation-of-state) modules: (1) EOS1 for water, or two waters with typical applications to hydrothermal problems, (2) EOS2 for multiphase mixtures of water and CO{sub 2} also with typical applications to hydrothermal problems, (3) EOS3 for multiphase mixtures of water and air with typical applications to vadose zone and nuclear waste disposal problems, (4) EOS4 that has the same capabilities as EOS3 but with vapor pressure lowering effects due to capillary pressure, (5) EOS9 for single phase water (Richards. equation) with typical applications to ambient reactive geochemical transport problems, (6) ECO2 for multiphase mixtures of water, CO{sub 2} and NaCl with typical applications to CO{sub 2} disposal in deep brine aquifers.

  1. Actualistic and Geochemical Modeling of Reservoir Rock, CO2 and Formation Fluid Interaction, Citronelle Oil Field, Alabama

    SciTech Connect (OSTI)

    Weislogel, Amy

    2014-01-31T23:59:59.000Z

    This report includes description of the Citronelle field study area and the work carried out in the project to characterize the geology and composition of reservoir rock material and to collect an analyze the geochemical composition of produced fluid waters from the Citronelle field. Reservoir rock samples collected from well bore core were made into thin-sections and assessed for textural properties, including pore types and porosity distribution. Compositional framework grain modal data were collected via point-counting, and grain and cement mineralogy was assessed using SEM-EDS. Geochemistry of fluid samples is described and modeled using PHREEQC. Composition of rock and produced fluids were used as inputs for TOUGHREACT reactive transport modeling, which determined the rock-fluid system was in disequilibrium.

  2. Data Package of Samples Collected for Hydrogeologic and Geochemical Characterization: 300 Area RI/FS Sediment Cores

    SciTech Connect (OSTI)

    Lindberg, Michael J.; Bjornstad, Bruce N.; Lanigan, David C.; Williams, Benjamin D.

    2011-05-01T23:59:59.000Z

    This is a data package for sediment samples received from the 300 FF 5 OU. This report was prepared for CHPRC. Between August 16, 2010 and April 25, 2011 sediment samples were received from 300-FF-5 for geochemical studies. The analyses for this project were performed at the 331 building located in the 300 Area of the Hanford Site. The analyses were performed according to Pacific Northwest National Laboratory (PNNL) approved procedures and/or nationally recognized test procedures. The data sets include the sample identification numbers, analytical results, estimated quantification limits (EQL), and quality control data. The preparatory and analytical quality control requirements, calibration requirements, acceptance criteria, and failure actions are defined in the on-line QA plan 'Conducting Analytical Work in Support of Regulatory Programs' (CAW). This QA plan implements the Hanford Analytical Services Quality Assurance Requirements Documents (HASQARD) for PNNL.

  3. Coupling Hydrological and Geochemical Simulations to Assess Spatial Heterogeneity and Chemical Evolution of Groundwaters at Two Candidate Repository Sites in Sweden

    SciTech Connect (OSTI)

    Auque, Luis Francisco; Gimeno, Maria Jose; Gomez, Javier B. [Petrologia y Geoquimica, Universidad de Zaragoza, Depto. Ciencias de la Tierra, Facultad de Ciencias, c/ Pedro Cerbuna 12, Zaragoza, E-50009 (Spain); Puigdomenech, Ignasi [Safety and Science, Swedish Nuclear Fuel and Waste Management Co (SKB), Box 5864, Stockholm, SE-102 40 (Sweden)

    2007-07-01T23:59:59.000Z

    The chemical composition of groundwater surrounding a high level radioactive waste repository is of importance to many factors that affect repository performance. The geochemical characteristics of Swedish groundwater systems are governed by successive mixing events between several end-member waters during their paleogeographic evolution. An approach is proposed here to investigate the spatial and temporal evolution of groundwater geochemical conditions by coupling hydrogeological and geochemical models in a sequential way. The procedure combines hydrogeological results by others [1,2] of a discrete fracture network using CONNECTFLOW with a mixing and reaction-path simulation using PHREEQC. The hydrological results contain mixing proportions of four reference waters (a deep brine, glacial meltwater, marine water, and meteoric infiltration) at each time step and at every node of the 3D model domain. In this work, mixing fractions are fed into PHREEQC using software developed to build formatted input files and to extract the information from output files for subsequent plotting and analysis. The geochemical calculations included both chemical mixing and equilibrium reactions with selected minerals: calcite, chalcedony and an Fe(III) oxyhydroxide. Some results for the Forsmark site, about 170 km north of Stockholm, Sweden, are graphically presented. Cross sections, where each node is color-coded with respect to an important variable (pH, Eh or concentrations of main elements), are used to visualize the future evolution of the site. Sensitivity analyses were made to evaluate the effects of the different reactions and/or assumptions. The proposed methodology has proved useful for evaluating the future geochemical evolution of the repository sites and to increase the confidence in the site descriptions. (authors)

  4. An investigation of the effect of pore scale flow on average geochemical reaction rates using direct numerical simulation

    SciTech Connect (OSTI)

    Rafa, S. Molins; Trebotich, D.; Steefel, C. I.; Shen, C.

    2012-02-01T23:59:59.000Z

    The scale-dependence of geochemical reaction rates hinders their use in continuum scale models intended for the interpretation and prediction of chemical fate and transport in subsurface environments such as those considered for geologic sequestration of CO{sub 2}. Processes that take place at the pore scale, especially those involving mass transport limitations to reactive surfaces, may contribute to the discrepancy commonly observed between laboratory-determined and continuum-scale or field rates. Here, the dependence of mineral dissolution rates on the pore structure of the porous media is investigated by means of pore scale modeling of flow and multicomponent reactive transport. The pore scale model is comprised of high performance simulation tools and algorithms for incompressible flow and conservative transport combined with a general-purpose multicomponent geochemical reaction code. The model performs direct numerical simulation of reactive transport based on an operator-splitting approach to coupling transport and reactions. The approach is validated with a Poiseuille flow single-pore experiment and verified with an equivalent 1D continuum-scale model of a capillary tube packed with calcite spheres. Using the case of calcite dissolution as an example, the high resolution model is used to demonstrate that non-uniformity in the flow field at the pore scale has the effect of decreasing the overall reactivity of the system, even when systems with identical reactive surface area are considered. The effect becomes more pronounced as the heterogeneity of the reactive grain packing increases, particularly where the flow slows sufficiently such that the solution approaches equilibrium locally and the average rate becomes transport-limited.

  5. Plasma gun notes Here are some notes based on an idea of Paul Bellan's (see his Spheromak

    E-Print Network [OSTI]

    Brown, Michael R.

    Plasma gun notes Here are some notes based on an idea of Paul Bellan's (see his Spheromak book end C. L is an inductance per unit length and L0 is the inductance of the system before the spheromak starts to move. The spheromak is a sliding short of mass m impaled on the center electrode. The potential

  6. BNL ALARA Center: ALARA Notes, No. 9

    SciTech Connect (OSTI)

    Khan, T.A.; Xie, J.W.; Beckman, M.C. [eds.] [and others

    1994-02-01T23:59:59.000Z

    This issue of the Brookhaven National Laboratory`s Alara Notes includes the agenda for the Third International Workshop on ALARA and specific instructions on the use of the on-line fax-on-demand service provided by BNL. Other topics included in this issue are: (1) A discussion of low-level discharges from Canadian nuclear plants, (2) Safety issues at French nuclear plants, (3) Acoustic emission as a means of leak detection, (4) Replacement of steam generators at Doel-3, Beaznau, and North Anna-1, (5) Remote handling equipment at Bruce, (6) EPRI`s low level waste program, (7) Radiation protection during concrete repairs at Savannah River, (8) Reactor vessel stud removal/repair at Comanche Peak-1, (9) Rework of reactor coolant pump motors, (10) Restoration of service water at North Anna-1 and -2, (11) Steam generator tubing problems at Mihama-1, (12) Full system decontamination at Indian Point-2, (13) Chemical decontamination at Browns Ferry-2, and (14) Inspection methodolody in France and Japan.

  7. Environmental effects of dredging. Risk assessment: An overview of the process. Technical note

    SciTech Connect (OSTI)

    Dillon, T.M.; Engler, R.M.

    1991-12-01T23:59:59.000Z

    This technical note provides a nontechnical overview of the risk assessment process. A companion technical note regarding risk assessment terminology will be published in the near future.

  8. Contaminant modeling. Environmental effects of dredging. Technical note

    SciTech Connect (OSTI)

    Bird, S.L.; Dortch, M.

    1988-03-01T23:59:59.000Z

    This note provides initial information on contaminant models that are potentially applicable to situations where the presence of toxic materials in sediments complicates Corps of Engineers (CE) dredging activities.

  9. Quantum theory of gravitational collapse (lecture notes on quantum conchology)

    E-Print Network [OSTI]

    Petr Hajicek

    2002-04-15T23:59:59.000Z

    Preliminary version No.~2 of the lecture notes for the talk ``Quantum theory of gravitational collapse'' given at the 271. WE-Heraeus-Seminar ``Aspects of Quantum Gravity'' at Bad Honnef, 25 February--1 March 2002

  10. HMSC Sustainability Committee 11/8/06 Meeting Notes

    E-Print Network [OSTI]

    HMSC Sustainability Committee 11/8/06 Meeting Notes Brandon Trelstad, Coordinator of OSU sustainability group, gave a presentation highlighting sustainability initiatives at OSU, including: · new Kelley survey showing support for increase in student fees to pay for sustainability investments

  11. analysis working note: Topics by E-print Network

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

    two telescope systems. Lloyd, Seth 2015-01-01 40 Notes 07. Thermal analysis of finite length journal bearings including fluid inertia Texas A&M University - TxSpace Summary: 1...

  12. Supplementary Notes for Actuarial Mathematics for Life Contingent ...

    E-Print Network [OSTI]

    2011-04-04T23:59:59.000Z

    In this note we aim to provide the additional material required to meet the learning ... 2.3 Deferred Acquisition Expenses and Modified Premium Reserves . . . . . . . . . 13 ...... balance will be deducted from the policyholder's account value. 6

  13. NIST Technical Note 1637 Modeling the Effects of Outdoor Gasoline

    E-Print Network [OSTI]

    Bentz, Dale P.

    Carbon Monoxide Exposures Liangzhu (Leon) Wang Steven J Emmerich #12;NIST Technical Note 1637 Modeling Steven J Emmerich Building Environment Division Building and Fire Research Laboratory August 2009 U

  14. SOFTWARE LOCALIZATION: NOTES ON TECHNOLOGY AND CULTURE Kenneth Keniston

    E-Print Network [OSTI]

    Keniston, Kenneth

    , Technology, and Society at the Massachusetts Institute of Technology. Copyright 1997, Kenneth Keniston. DRAFT in Science, Technology, and Society Massachusetts Institute of Technology Cambridge, Massachusetts 02139SOFTWARE LOCALIZATION: NOTES ON TECHNOLOGY AND CULTURE Kenneth Keniston Kenneth Keniston is Andrew

  15. A note on unbounded on/off constraints

    E-Print Network [OSTI]

    H. Hijazi, L. Liberti

    2014-11-12T23:59:59.000Z

    a NICTA - 7 London Circuit - Canberra ACT 2601 Australia ... This note presents a theoretical analysis of disjunctive constraints featuring ... In mixed-integer linear programming, years of research have been devoted to study disjunctive.

  16. Supplementary notes for Math 265 on complex eigenvalues ...

    E-Print Network [OSTI]

    1998-11-30T23:59:59.000Z

    is the topic of these notes. 2) A does not have enough eigenvectors (we cannot pick a basis for 2-space consisting of eigenvectors of A). This happens ... Page 2

  17. BIOINFORMATICS APPLICATIONS NOTE Vol. 25 no. 21 2009, pages 28412842

    E-Print Network [OSTI]

    and Computational Biology, University of Southern California, Los Angeles, CA and 2Cold Spring Harbor LaboratoryBIOINFORMATICS APPLICATIONS NOTE Vol. 25 no. 21 2009, pages 2841­2842 doi:10.1093/bioinformatics

  18. Reactive geochemical transport simulation to study mineral trapping for CO2 disposal in deep saline arenaceous aquifers

    SciTech Connect (OSTI)

    Xu, Tianfu; Apps, John A.; Pruess, Karsten

    2002-04-01T23:59:59.000Z

    A reactive fluid flow and geochemical transport numerical model for evaluating long-term CO{sub 2} disposal in deep aquifers has been developed. Using this model, we performed a number of sensitivity simulations under CO{sub 2} injection conditions for a commonly encountered Gulf Coast sediment to analyze the impact of CO{sub 2} immobilization through carbonate precipitation. Geochemical models are needed because alteration of the predominant host rock aluminosilicate minerals is very slow and is not amenable to laboratory experiment under ambient deep-aquifer conditions. Under conditions considered in our simulations, CO{sub 2} trapping by secondary carbonate minerals such as calcite (CaCO{sub 3}), dolomite (CaMg(CO{sub 3}){sub 2}), siderite (FeCO{sub 3}), and dawsonite (NaAlCO{sub 3}(OH){sub 2}) could occur in the presence of high pressure CO{sub 2}. Variations in precipitation of secondary carbonate minerals strongly depend on rock mineral composition and their kinetic reaction rates. Using the data presented in this paper, CO{sub 2} mineral-trapping capability after 10,000 years is comparable to CO{sub 2} dissolution in pore waters (2-5 kg CO{sub 2} per cubic meter of formation). Under favorable conditions such as increase of the Mg-bearing mineral clinochlore (Mg{sub 5}Al{sub 2}Si{sub 3}O{sub 10}(OH){sub 8}) abundance, the capacity can be larger (10 kg CO{sub 2} per cubic meter of formation) due to increase of dolomite precipitation. Carbon dioxide-induced rock mineral alteration and the addition of CO{sub 2} mass as secondary carbonates to the solid matrix results in decreases in porosity. A maximum 3% porosity decrease is obtained in our simulations. A small decrease in porosity may result in a significant decrease in permeability. The numerical simulations described here provide useful insight into sequestration mechanisms, and their controlling conditions and parameters.

  19. Efficacy and Toxicity of Chemoradiotherapy Using Intensity-Modulated Radiotherapy for Unknown Primary of Head and Neck

    SciTech Connect (OSTI)

    Sher, David J., E-mail: dsher@lroc.harvard.edu [Department of Radiation Oncology, Dana-Farber Cancer Institute and Brigham and Women's Hospital, Boston, MA (United States); Balboni, Tracy A. [Department of Radiation Oncology, Dana-Farber Cancer Institute and Brigham and Women's Hospital, Boston, MA (United States); Haddad, Robert I. [Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA (United States); Department of Medicine, Brigham and Women's Hospital, Boston, MA (United States); Norris, Charles M. [Department of Surgery, Division of Otolaryngology, Brigham and Women's Hospital, Boston, MA (United States); Posner, Marshall R. [Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA (United States); Department of Medicine, Brigham and Women's Hospital, Boston, MA (United States); Wirth, Lori J. [Department of Medical Oncology, Massachusetts General Hospital, Boston, MA (United States); Goguen, Laura A.; Annino, Donald [Department of Surgery, Division of Otolaryngology, Brigham and Women's Hospital, Boston, MA (United States); Tishler, Roy B. [Department of Radiation Oncology, Dana-Farber Cancer Institute and Brigham and Women's Hospital, Boston, MA (United States)

    2011-08-01T23:59:59.000Z

    Purpose: No single standard treatment paradigm is available for head-and-neck squamous cell carcinoma of an unknown primary (HNCUP). Bilateral neck radiotherapy with mucosal axis irradiation is widely used, with or without chemotherapy and/or surgical resection. Intensity-modulated radiotherapy (IMRT) is a highly conformal method for delivering radiation that is becoming the standard of care and might reduce the long-term treatment-related sequelae. We report the Dana-Farber Cancer Institute experience with IMRT-based treatment for HNCUP. Patients and Materials: A retrospective study of all patients treated at the Dana-Farber Cancer Institute for HNCUP with IMRT between August 2004 and January 2009. The primary endpoint was overall survival; the secondary endpoints were locoregional and distant control, and acute and chronic toxicity. Results: A total of 24 patients with HNCUP were included. Of these patients, 22 had Stage N2 disease or greater. All patients underwent neck computed tomography, positron emission tomography-computed tomography, and examination under anesthesia with directed biopsies. Of the 24 patients, 22 received concurrent chemotherapy, and 7 (29%) also underwent induction chemotherapy. The median involved nodal dose was 70 Gy, and the median mucosal dose was 60 Gy. With a median follow-up of 2.1 years, the 2-year actuarial overall survival and locoregional control rate was 92% and 100%, respectively. Only 25% of the patients had Grade 2 xerostomia, although 11 patients (46%) required esophageal dilation for stricture. Conclusion: In a single-institution series, IMRT-based chemoradiotherapy for HNCUP was associated with superb overall survival and locoregional control. The xerostomia rates were promising, but the aggressive therapy was associated with significant rates of esophageal stenosis.

  20. Functional outcome and survival after radiotherapy of metastatic spinal cord compression in patients with cancer of unknown primary

    SciTech Connect (OSTI)

    Rades, Dirk [Department of Radiation Oncology, University Hospital Schleswig-Holstein, Luebeck (Germany)]. E-mail: Rades.Dirk@gmx.net; Fehlauer, Fabian [Department of Radiation Oncology, University Medical Center Hamburg-Eppendorf, Hamburg (Germany); Veninga, Theo [Department of Radiation Oncology, Dr. Bernard Verbeeten Institute, Tilburg (Netherlands); Stalpers, Lukas J.A. [Department of Radiotherapy, Academic Medical Center, Amsterdam (Netherlands); Basic, Hiba [Department of Radiotherapy, University Hospital, Sarajevo (Bosnia and Herzegowina); Hoskin, Peter J. [Department of Clinical Oncology, Mount Vernon Cancer Centre, Northwood (United Kingdom); Rudat, Volker [Department of Radiation Oncology, St. Josef Hospital, Ruhr University, Bochum (Germany); Karstens, Johann H. [Department of Radiation Oncology, Hannover Medical School (Germany); Schild, Steven E. [Department of Radiation Oncology, Mayo Clinic, Scottsdale, Arizona (United States); Dunst, Juergen [Department of Radiation Oncology, University Hospital Schleswig-Holstein, Luebeck (Germany)

    2007-02-01T23:59:59.000Z

    Purpose: Patients with cancer of unknown primary (CUP) account for about 10% of patients with metastatic spinal cord compression (MSCC). This study aims to define the appropriate radiation regimen for these patients. Methods and Materials: Data of 143 CUP patients irradiated for MSCC were retrospectively evaluated. Short-course radiotherapy (RT) (1x8 Gy, 5x4 Gy, n = 68) and long-course RT (10x3 Gy, 15x2.5 Gy, 20x2 Gy, n = 75) plus 8 further potential prognostic factors (age, gender, performance status, visceral metastases, other bone metastases, number of involved vertebrae, ambulatory status, time of developing motor deficits before RT) were compared for functional outcome and survival. Results: Improvement of motor function occurred in 10% of patients, no further progression of motor deficits in 57%, and deterioration in 33%. On multivariate analysis, functional outcome was positively associated with slower development of motor deficits (p < 0.001), absence of visceral metastases (p = 0.008) and other bone metastases (p = 0.027), and ambulatory status (p = 0.054), not with the radiation regimen (p = 0.74). Recurrence of MSCC in the irradiated region occurred in 7 patients after median 6 months. Median survival was 4 months. On multivariate analysis, better survival was significantly associated with absence of visceral metastases (p < 0.001), absence of other bone metastases (p = 0.005), ambulatory status (p = 0.001), and slower development of motor deficits (p = 0.030). Conclusions: For MSCC treatment in patients with CUP, no significant difference was observed between short-course and long-course RT regarding functional outcome and survival. Short-course RT appears preferable, at least for patients with a poor predicted survival, as it is more patient convenient and more cost-effective.

  1. Mercury Geochemical, Groundwater Geochemical, And Radiometric...

    Open Energy Info (EERE)

    at right angles to known and suspected faults. Scintillometer readings (gamma radiation - total counts second) were also recorded at each soil sample station. At the...

  2. Mercury Geochemical, Groundwater Geochemical, And Radiometric Geophysical

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation, searchOfRose Bend <StevensMcClellan,II JumpMepsolar AG akaSurvey

  3. Water information bulletin No. 30: geothermal investigations in Idaho. Part 11. Geological, hydrological, geochemical and geophysical investigations of the Nampa-Caldwell and adjacent areas, southwestern Idaho

    SciTech Connect (OSTI)

    Mitchell, J.C. (ed.)

    1981-12-01T23:59:59.000Z

    The area under study included approximately 925 sq km (357 sq mi) of the Nampa-Caldwell portion of Canyon County, an area within the central portion of the western Snake River Plain immediately west of Boise, Idaho. Geologic mapping, hydrologic, geochemical, geophysical, including detailed gravity and aeromagnetic surveys, were run to acquire needed data. In addition, existing magnetotelluric and reflection seismic data were purchased and reinterpreted in light of newly acquired data.

  4. Solid phase evolution in the Biosphere 2 hillslope experiment as predicted by modeling of hydrologic and geochemical fluxes

    SciTech Connect (OSTI)

    Dontsova, K.; Steefel, C.I.; Desilets, S.; Thompson, A.; Chorover, J.

    2009-07-15T23:59:59.000Z

    A reactive transport geochemical modeling study was conducted to help predict the mineral transformations occurring over a ten year time-scale that are expected to impact soil hydraulic properties in the Biosphere 2 (B2) synthetic hillslope experiment. The modeling sought to predict the rate and extent of weathering of a granular basalt (selected for hillslope construction) as a function of climatic drivers, and to assess the feedback effects of such weathering processes on the hydraulic properties of the hillslope. Flow vectors were imported from HYDRUS into a reactive transport code, CrunchFlow2007, which was then used to model mineral weathering coupled to reactive solute transport. Associated particle size evolution was translated into changes in saturated hydraulic conductivity using Rosetta software. We found that flow characteristics, including velocity and saturation, strongly influenced the predicted extent of incongruent mineral weathering and neo-phase precipitation on the hillslope. Results were also highly sensitive to specific surface areas of the soil media, consistent with surface reaction controls on dissolution. Effects of fluid flow on weathering resulted in significant differences in the prediction of soil particle size distributions, which should feedback to alter hillslope hydraulic conductivities.

  5. Final Report: Improved Site Characterization And Storage Prediction Through Stochastic Inversion Of Time-Lapse Geophysical And Geochemical Data

    SciTech Connect (OSTI)

    Ramirez, A; Mcnab, W; Hao, Y; White, D; Johnson, J

    2011-04-14T23:59:59.000Z

    During the last months of this project, our project activities have concentrated on four areas: (1) performing a stochastic inversion of pattern 16 seismic data to deduce reservoir bulk/shear moduli and density; the need for this inversion was not anticipated in the original scope of work, (2) performing a stochastic inversion of pattern 16 seismic data to deduce reservoir porosity and permeability, (3) complete the software needed to perform geochemical inversions and (4) use the software to perform stochastic inversion of aqueous chemistry data to deduce mineral volume fractions. This report builds on work described in progress reports previously submitted (Ramirez et al., 2009, 2010, 2011 - reports fulfilled the requirements of deliverables D1-D4) and fulfills deliverable D5: Field-based single-pattern simulations work product. The main challenge with our stochastic inversion approach is its large computational expense, even for single reservoir patterns. We dedicated a significant level of effort to improve computational efficiency but inversions involving multiple patterns were still intractable by project's end. As a result, we were unable to fulfill Deliverable D6: Field-based multi-pattern simulations work product.

  6. Geochemical relationships of petroleum in Mesozoic reservoirs to carbonate source rocks of Jurassic Smackover Formation, southwestern Alabama

    SciTech Connect (OSTI)

    Claypool, G.E.; Mancini, E.A.

    1989-07-01T23:59:59.000Z

    Algal carbonate mudstones of the Jurassic Smackover Formation are the main source rocks for oil and condensate in Mesozoic reservoir rocks in southwestern Alabama. This interpretation is based on geochemical analyses of oils, condensates, and organic matter in selected samples of shale (Norphlet Formation, Haynesville Formation, Trinity Group, Tuscaloosa Group) and carbonate (Smackover Formation) rocks. Potential and probable oil source rocks are present in the Tuscaloosa Group and Smackover Formation, respectively. Extractable organic matter from Smackover carbonates has molecular and isotopic similarities to Jurassic oil. Although the Jurassic oils and condensates in southwestern Alabama have genetic similarities, they show significant compositional variations due to differences in thermal maturity and organic facies/lithofacies. Organic facies reflect different depositional conditions for source rocks in the various basins. The Mississippi Interior Salt basin was characterized by more continuous marine to hypersaline conditions, whereas the Manila and Conecuh embayments periodically had lower salnity and greater input of clastic debris and terrestrial organic matter. Petroleum and organic matter in Jurassic rocks of southwestern Alabama show a range of thermal transformations. The gas content of hydrocarbons in reservoirs increases with increasing depth and temperature. In some reservoirs where the temperature is above 266/degrees/F(130/degrees/C), gas-condensate is enriched in isotopically heavy sulfur, apparently derived from thermochemical reduction of Jurassic evaporite sulfate. This process also resulted in increase H/sub 2/S and CO in the gas, and depletion of saturated hydrocarbons in the condensate liquids.

  7. Geochemical comparison of impact glasses from lunar meteorites ALHA81005 and MAC88105 and Apollo 16 regolith 64001

    SciTech Connect (OSTI)

    Delano, J.W. (State Univ. of New York, Albany (United States))

    1991-11-01T23:59:59.000Z

    Most glasses that occur in lunar highland regolith are quenched droplets of impact melt. The chemical compositions of these glasses are equivalent, in the absence of volatile losses, to the original target materials. The compositional range of impact glasses in a regolith reflects the chemical diversity that existed throughout the region up to the time of system closure (e.g., breccia formation). Since these glasses are a product of widespread and random sampling, both in terms of space and time, they can be used for geochemical exploration of the Moon. The major-element compositions of impact glasses occurring in three samples of lunar feldspathic regolith (ALHA81005; MAC88105; Apollo 16 64001) have been determined by electron microprobe. The glass populations among these three unrelated samples are compositionally distinct. While most of the impact glasses within each of these three samples are compositionally similar to the regolith in which they are found, up to 40% of the impact glasses are different. Some of the compositionally exotic glasses were ballistically transported from other areas of the Moon and thereby provide information about the compositional range of regoliths that exist elsewhere. Since the geological setting of the Apollo 16 region is well known compared to the source areas of the lunar meteorites, the Apollo 16 glasses provide a ground truth for interpretations.

  8. Research and Creative Activity Resources Administrative units (area code 517, unless noted otherwise)

    E-Print Network [OSTI]

    /commercialization (area code 517, unless noted otherwise) MSU Bioeconomy Institute (Holland, Mich.) 616395 8918 http

  9. "Coarse" Notes Population Genetics OVER-AND UNDERDOMINANCE IN FITNESS; STABILITY

    E-Print Network [OSTI]

    Gomulkiewicz, Richard

    · Overdominance: Sickle cell anemia · Underdominance: chromosomal rearrangements; Rh locus ­ NOTE: Absence of over

  10. \\\\server05\\productn\\C\\CJP\\14-1\\CJP102.txt unknown Seq: 1 24-FEB-05 17:48 REGULATING OFFSHORE WIND POWER AND

    E-Print Network [OSTI]

    Firestone, Jeremy

    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 R C. DIFFERENCES IN THE E.U. AND U.S. WITH RESPECT TO OFFSHORE WIND FARMS\\\\server05\\productn\\C\\CJP\\14-1\\CJP102.txt unknown Seq: 1 24-FEB-05 17:48 REGULATING OFFSHORE WIND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 R A. OFFSHORE AQUACULTURE (MARICULTURE) . . . . . . . . . . . 74 R B. OFFSHORE WIND POWER

  11. Distributed Broadcast Scheduling in Mobile Ad Hoc Networks with Unknown Guang Tan, Stephen A. Jarvis, James W. J. Xue, and Simon D. Hammond

    E-Print Network [OSTI]

    Jarvis, Stephen

    Distributed Broadcast Scheduling in Mobile Ad Hoc Networks with Unknown Topologies Guang Tan. In this paper we study the distributed broadcast schedul- ing problem in ad hoc networks. In broadcasting is a fundamental communication task in mobile ad hoc networks, and minimizing broadcasting time (or latency

  12. Sync your library with EndNote Web Information Services 2 February 2013

    E-Print Network [OSTI]

    Painter, Kevin

    Sync your library with EndNote Web EndNote X6 #12;Information Services 2 February 2013 Introduction When you Sync your EndNote library with your library in EndNoteWeb, the two libraries will be compared, and · references that are in your EndNoteWeb library but not in the desktop library will be sent to your desktop

  13. Chemistry Safety Notes Volume 2, Issue 6 October 2014

    E-Print Network [OSTI]

    Guo, Ting

    will be available for haz mat drop off from 10AM to 2PM daily from October 21st until November 3rd . The advantage of taking advantage of this program is that you don't have to label materials as hazardous waste. Please do label materials as best you can. If you are disposing samples or weird unknowns, try to give

  14. Geochemical information for sites contaminated with low-level radioactive wastes: II. St. Louis Airport Storage Site

    SciTech Connect (OSTI)

    Seeley, F.G.; Kelmers, A.D.

    1985-01-01T23:59:59.000Z

    The St. Louis Airport Storage Site (SLASS) became radioactively contaminated as a result of wastes that were being stored from operations to recover uranium from pitchblende ores in the 1940s and 1950s. The US Department of Energy is considering various remedial action options for the SLASS under the Formerly Utilized Site Remedial Action Program (FUSRAP). This report describes the results of geochemical investigations, carried out to support the FUSRAP activities and to aid in quantifying various remedial action options. Soil and groundwater samples from the site were characterized, and sorption ratios for uranium and radium and apparent concentration limit values for uranium were measured in soil/groundwater systems by batch contact methodology. The uranium and radium concentrations in soil samples were significantly above background near the old contaminated surface horizon (now at the 0.3/sup -/ to 0.9/sup -/m depth); the maximum values were 1566 ..mu..g/g and 101 pCi/g, respectively. Below about the 6/sup -/m depth, the concentrations appeared to be typical of those naturally present in soils of this area (3.8 +- 1.2 ..mu..g/g and 3.1 +- 0.6 pCi/g). Uranium sorption ratios showed stratigraphic trends but were generally moderate to high (100 to 1000 L/kg). The sorption isotherm suggested an apparent uranium concentration limit of about 200 mg/L. This relatively high solubility can probably be correlated with the carbonate content of the soil/groundwater systems. The lower sorption ratio values obtained from the sorption isotherm may have resulted from changes in the experimental procedure or the groundwater used. The SLASS appears to exhibit generally favorable behavior for the retardation of uranium solubilized from waste in the site. Parametric tests were conducted to estimate the sensitivity of uranium sorption and solubility to the pH and carbonate content of the system.

  15. CORE-BASED INTEGRATED SEDIMENTOLOGIC, STRATIGRAPHIC, AND GEOCHEMICAL ANALYSIS OF THE OIL SHALE BEARING GREEN RIVER FORMATION, UINTA BASIN, UTAH

    SciTech Connect (OSTI)

    Lauren P. Birgenheier; Michael D. Vanden Berg,

    2011-04-11T23:59:59.000Z

    An integrated detailed sedimentologic, stratigraphic, and geochemical study of Utah's Green River Formation has found that Lake Uinta evolved in three phases (1) a freshwater rising lake phase below the Mahogany zone, (2) an anoxic deep lake phase above the base of the Mahogany zone and (3) a hypersaline lake phase within the middle and upper R-8. This long term lake evolution was driven by tectonic basin development and the balance of sediment and water fill with the neighboring basins, as postulated by models developed from the Greater Green River Basin by Carroll and Bohacs (1999). Early Eocene abrupt global-warming events may have had significant control on deposition through the amount of sediment production and deposition rates, such that lean zones below the Mahogany zone record hyperthermal events and rich zones record periods between hyperthermals. This type of climatic control on short-term and long-term lake evolution and deposition has been previously overlooked. This geologic history contains key points relevant to oil shale development and engineering design including: (1) Stratigraphic changes in oil shale quality and composition are systematic and can be related to spatial and temporal changes in the depositional environment and basin dynamics. (2) The inorganic mineral matrix of oil shale units changes significantly from clay mineral/dolomite dominated to calcite above the base of the Mahogany zone. This variation may result in significant differences in pyrolysis products and geomechanical properties relevant to development and should be incorporated into engineering experiments. (3) This study includes a region in the Uinta Basin that would be highly prospective for application of in-situ production techniques. Stratigraphic targets for in-situ recovery techniques should extend above and below the Mahogany zone and include the upper R-6 and lower R-8.

  16. LLW Notes, vol. 9, no. 1. February/March 1994

    SciTech Connect (OSTI)

    NONE

    1994-03-01T23:59:59.000Z

    LLW Notes is published ten times each year and is distributed to Low- Level Radioactive Waste Forum Participants and other state and compact officials identified by those Participants to receive LLW Notes. The Low-Level Radioactive Waste Forum is an association of representatives of states and compacts established to facilitate state and compact commission implementation of the Low-Level Radioactive Waste Policy Amendments Act of 1985 and to promote the objectives of low-level radioactive waste regional compacts. The Forum provides an opportunity for states and compacts to share information with one another and to exchange views with officials of federal agencies.

  17. NERSC Users Group Meeting Nov. 15, 1999 Notes

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)Integrated Codes |IsLove Your1AllocationsNOVAPlayed NUG 2000 Dates JuneNotes Notes

  18. NERSC Users Group Meeting November 9, 2004 Notes

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)Integrated Codes |IsLove Your1AllocationsNOVAPlayed NUG 2000 Dates JuneNotesNotes

  19. Environmental effects of dredging technical notes. Assessment of the genotoxic potential of dredged material. Technical notes

    SciTech Connect (OSTI)

    NONE

    1996-08-01T23:59:59.000Z

    This technical note describes an approach for assessing the genotoxic potential of dredged material. The use of integrated batteries of rapid and mechanistically interpretable in vitro and in vivo assays in a tiered approach is fundamental to applied toxicology. The research described here brings this approach to the testing of sediments. Work completed to date and future work will mesh to form an advanced and cost-effective methodology. The purpose of this methodology is to increase the accuracy of environmental risk assessments and facilitate making decisions concerning open-water disposal of dredged material. A great number of the contaminants typically found in dredged material are toxic to exposed organisms through effects on DNA. Such effects are usually the result of low-level chronic exposures. These effects can result in reproductive failure of organisms, impaired growth and development of offspring, and tumors (often cancerous) in vertebrates. Collectively, such effects are called `genotoxicity` and result from damage to the genome of a cell. The damage is heritable, that is, passed on to future cell generations upon duplication of the affected cells.

  20. In academia Not in academia Not working or studying Unknown *PhD students received their award in financial year 2003/04.

    E-Print Network [OSTI]

    Rambaut, Andrew

    In academia Not in academia Not working or studying Unknown *PhD students received their award in financial year 2003/04. SP-5666/01-2013/PE Wave 1 PhD Wave 2 Wave 3 Wave 5 Wave 4 2009 2010 2011 2013 2012 PhD students (cohort 2003/04) join Wave 1 of BSCT Total cohort 2003/04 Former PhD students (cohort

  1. An important component of music is the rhythm, or duration of the sounds. We designate this with whole notes, half notes, quarter notes, eighth notes, etc., the names of which indicate

    E-Print Network [OSTI]

    Campbell, Russell Bruce

    of time has been based on the juxtaposition of slow and quick notes. This is true of Balkan music, where, but using 3:2 from an adjacent village. Some Balkan music with the SQ pattern identified can be heard most Balkan music i

  2. Energy and Society Week 6 Section Plan GSI Notes

    E-Print Network [OSTI]

    Kammen, Daniel M.

    standard deviations account for about 99 percent of the data. You can also use a Z-table in any stats book. Renewable energy sources like wind and solar PV are intermittent and, by themselves, reduce the reliability1 Energy and Society Week 6 Section Plan ­ GSI Notes AGENDA 1. Get feedback on section from

  3. TESLA 2002-10 CBP Tech Note-268

    E-Print Network [OSTI]

    LCC-0108 TESLA 2002-10 CBP Tech Note-268 Comparison of Emittance Tuning Simulations in the NLC and TESLA Damping Rings A. Wolski LBNL W. Decking DESY November 11th , 2002 Abstract Vertical emittance is a critical issue for future linear collider damping rings. Both NLC and TESLA specify vertical emittance

  4. TECHNICAL NOTES Relation between SaffirSimpson Hurricane

    E-Print Network [OSTI]

    Kareem, Ahsan

    TECHNICAL NOTES Relation between Saffir­Simpson Hurricane Scale Wind Speeds and Peak 3-s Gust Abstract: The Saffir­Simpson scale for categorizing hurricane intensity and damage potential is increasingly being used by hurricane forecasters and emergency managers. The hurricane intensity categories

  5. Oldenburg Lecture Notes in Software Engineering Energy-Efficient Applications

    E-Print Network [OSTI]

    Appelrath, Hans-Jürgen

    Oldenburg Lecture Notes in Software Engineering Energy-Efficient Applications Seminar ­ copyright by authors ­ #12;Introduction Energy-efficiency has become an important issue in information to conserve energy in IT probably is trying to build more efficient hardware. Lots of work has already been

  6. Seasonal restrictions on dredging operations in freshwater systems. Technical note

    SciTech Connect (OSTI)

    Sanders, L.; Killgore, J.

    1989-05-01T23:59:59.000Z

    This note summarizes the status of seasonal restrictions on dredging operations in freshwater navigable waterways. The information presented is based on replies received from a questionnaire sent to all US Army Corps of Engineers (CE) District and Division offices that conduct OM dredging operations in freshwater systems.

  7. These notes are from 2010 Cap and Trade Working Already

    E-Print Network [OSTI]

    Toohey, Darin W.

    Acid Rain These notes are from 2010 #12;Cap and Trade Working Already December 15, 2009 10:14 AM across the country decreased emissions of SO2, a precursor to acid rain, to 7.6 million tons in 2008. #12;Overview of Acid Rain Phenomenon Most common term for acidification of the environment, which can occur

  8. The CIEDE2000 Color-Difference Formula: Implementation Notes,

    E-Print Network [OSTI]

    Sharma, Gaurav

    The CIEDE2000 Color-Difference Formula: Implementation Notes, Supplementary Test Data and scientists in correctly implementing the recently developed CIEDE2000 color-difference formula. We indicate mathematical discontinuities in the formula. © 2004 Wiley Periodicals, Inc. Col Res Appl, 30, 21­30, 2005

  9. BLUE: An Interactive Visualization System for Categorical Data Technical Note

    E-Print Network [OSTI]

    Kerbs, R. W.

    BLUE: An Interactive Visualization System for Categorical Data Technical Note Robert W. Kerbs. This paper introduces a prototype data visualization system, BLUE, to help induce meaningful decision trees from databases that contain primarily categorical attributes. BLUE is an interactive model creation

  10. Technical Note Correction of Eddy-Current Distortions in Diffusion

    E-Print Network [OSTI]

    Technical Note Correction of Eddy-Current Distortions in Diffusion Tensor Images Using the Known,2 Purpose: To correct eddy-current artifacts in diffusion ten- sor (DT) images without the need to obtain- tortions caused by eddy currents induced by large diffusion gradients. We propose a new postacquisition

  11. Scientific Notes 649 LEPIDOPTERA ASSOCIATED WITH AVOCADO FRUIT IN GUATEMALA

    E-Print Network [OSTI]

    Hoddle, Mark S.

    Scientific Notes 649 LEPIDOPTERA ASSOCIATED WITH AVOCADO FRUIT IN GUATEMALA MARK S. HODDLE1 History, Smithsonian Institution, Washington, DC 20013, U.S.A Avocados (Persea americana Miller) (Lau of Central America (Knight 2002). Humans moved avocados into northern South America by 4000 BC where plants

  12. BRIEFING NOTE SUMMARY OF MATTERS CONSIDERED BY THE MANAGEMENT BOARD

    E-Print Network [OSTI]

    a presentation on utility costs from Mr Roalfe and noted that, because of the increases in global energy costs REPORTS 1. Monthly Reports were received from the Faculty Principals, the Principal of the Business School had been received they would be presented to the Management Board. UTILITY COSTS 9. The Board received

  13. Scientific Notes 693 ASPECTS OF THE FIELD ECOLOGY OF

    E-Print Network [OSTI]

    Hoddle, Mark S.

    Scientific Notes 693 ASPECTS OF THE FIELD ECOLOGY OF STENOMA CATENIFER (LEPIDOPTERA: ELACHISTIDAE drop (Núñez 2008). Heavy infestations of stem-mining larvae can kill twigs and young avocado trees for moving this pest into new areas (Núñez 2008). To better understand the field ecology of S. catenifer

  14. ANOTHER NOTE ON THE DROOP QUOTA AND SVANTE JANSON

    E-Print Network [OSTI]

    Janson, Svante

    ANOTHER NOTE ON THE DROOP QUOTA AND ROUNDING SVANTE JANSON 1. Introduction Consider an election where v votes are cast and there are s seats to be filled. The standard Droop quota, as defined by Henry Droop [1], is v/(s+1) rounded up to the nearest strictly larger integer, i.e., v/(s + 1) + 1

  15. ANOTHER NOTE ON THE DROOP QUOTA AND SVANTE JANSON

    E-Print Network [OSTI]

    Janson, Svante

    ANOTHER NOTE ON THE DROOP QUOTA AND ROUNDING SVANTE JANSON 1. Introduction Consider an election where v votes are cast and there are s seats to be filled. The standard Droop quota, as defined by Henry Droop [1], is v/(s+1) rounded up to the nearest strictly larger integer, i.e., #v/(s + 1)# + 1

  16. A Note on Platt's Probabilistic Outputs for Support Vector Machines

    E-Print Network [OSTI]

    Abu-Mostafa, Yaser S.

    A Note on Platt's Probabilistic Outputs for Support Vector Machines Hsuan-Tien Lin (htlin, National Chengchi University, Taipei 116, Taiwan Abstract. Platt's probabilistic outputs for Support Vector Machines (Platt, 2000) has been popular for applications that require posterior class probabilities

  17. Software Verification and Testing Lecture Notes: Testing I

    E-Print Network [OSTI]

    Struth, Georg

    of Testing Methods dynamic testing: software component is executed with concrete input values (in a realSoftware Verification and Testing Lecture Notes: Testing I #12;Motivation verification: · powerful · automated techniques rather limited testing: (as "poor man's verification") · can only detect presence

  18. Lecture Notes: Support Tree Preconditioners for Laplacian Matrices

    E-Print Network [OSTI]

    Guattery, Steve

    , 1997 Recall that we are considering solving B \\Gamma1 Ax = B \\Gamma1 b using the Preconditioned the generalized definition of Laplacian from Keith Gremban's thesis). This week we will apply this background from Chapters 3 and 4 of Gremban's Ph.D. thesis unless otherwise noted. 1 Goals for Preconditioners We

  19. Laser Safety Training Notes for URI Laser Users

    E-Print Network [OSTI]

    Rhode Island, University of

    ;URI Radiation Safety Office 11 Laser Output · Continuous Wave (steady output) · Pulsed (short time extremely short laser pulses (typically a few nanoseconds in duration). The Q-switch may use a rotatingLaser Safety Training Notes for URI Laser Users #12;URI Radiation Safety Office 2 Laser The word

  20. Technical note Coolant void worth in fast breeder reactors

    E-Print Network [OSTI]

    Technical note Coolant void worth in fast breeder reactors and accelerator-driven transuranium as a function of fuel composition and core geometry for several model fast breeder reactors and accelerator to be inferior to those employing sodium for pitch-to-diameter ratios exceeding 1.4. It is shown that in reactor

  1. Technical Note Variational free energy and the Laplace approximation

    E-Print Network [OSTI]

    Penny, Will

    Technical Note Variational free energy and the Laplace approximation Karl Friston,a, Jérémie the variational free energy under the Laplace approximation, with a focus on accounting for additional model complexity induced by increasing the number of model parameters. This is relevant when using the free energy

  2. Short Notes Taxonomy of the Plethodontid Salamander Genus Hydromantes

    E-Print Network [OSTI]

    Wake, David B.

    Short Notes Taxonomy of the Plethodontid Salamander Genus Hydromantes (Caudata: Plethodontidae, when Dunn made a proposal that sta- bilized taxonomy (all species placed in Hy- dromantes) for over 60. His sugges- tion for the taxonomy of the group was to recog- nize a single genus, Hydromantoides

  3. Guidance Note 052 RISK ASSESSMENTS FOR HAZARDOUS CHEMICALS

    E-Print Network [OSTI]

    Guidance Note 052 RISK ASSESSMENTS FOR HAZARDOUS CHEMICALS as required under the CONTROL OF SUBSTANCES HAZARDOUS TO HEALTH REGULATIONS (COSHH) and the DANGEROUS SUBSTANCES AND EXPLOSIVE ATMOSPHERES Involving the Use of Hazardous Chemicals. COSHH requires health risks to be assessed and controlled

  4. INFORMATION NOTE United Nations/Nigeria Workshop on Space Law

    E-Print Network [OSTI]

    Glass, Ian S.

    1 INFORMATION NOTE United Nations/Nigeria Workshop on Space Law "Meeting international responsibilities and addressing domestic needs" Hosted by the Government of Nigeria 21-24 November 2005 Abuja, Nigeria Background Given the growing number of benefits derived from the use of space applications

  5. RIS-M-2411 A NOTE ON WIND GENERATOR INTERACTION

    E-Print Network [OSTI]

    #12;~ y . RISÃ?-M-2411 A NOTE ON WIND GENERATOR INTERACTION N.O. Jensen Abstract. A simple model for the wake behind a wind generator is given. The model is compared to some full scale experimen- tal results. The model is then used in an example where the production from a circular cluster of 10 wind generators

  6. A CAUTIONARY NOTE REGARDING THE DATA INTEGRITY CAPACITY

    E-Print Network [OSTI]

    Irvine, Cynthia E.

    assurance components, as well as the integrity of data read from high assurance repositories and displayedA CAUTIONARY NOTE REGARDING THE DATA INTEGRITY CAPACITY OF CERTAIN SECURE SYSTEMS Cynthia E. Irvine of architecture. We discuss the general integrity property that systems can only be trusted to manage modi able

  7. BRIEFING NOTE SUMMARY OF MATTERS CONSIDERED BY THE MANAGEMENT BOARD

    E-Print Network [OSTI]

    business plans for 2008-11. 4. The Board's attention was drawn to the increase in planned capital projects and noted that the planning and budgeting processes would be reviewed by the Planning and Finance Divisions YEAR BUSINESS PLAN 3. The Board considered an analysis of the submitted Faculty and Support Services

  8. Technical Note/ Impact of Coastal Land Reclamation on

    E-Print Network [OSTI]

    Jiao, Jiu Jimmy

    Technical Note/ Impact of Coastal Land Reclamation on Ground Water Level and the Sea Water Interface by Haipeng Guo1 and Jiu Jimmy Jiao2 Abstract Land reclamation in coastal areas may have water (Fetter 1972; Jiao and Tang 1999), but such an interaction may be modified by land reclamation

  9. Approved Test Procedures Version 1.1 Release Notes

    E-Print Network [OSTI]

    Approved Test Procedures Version 1.1 Release Notes 1 Change Reason for Change 302.a drugdrug, drug allergy In the Informative Test Description section Added clarification to the example. 302.c Problem List In the Informative Test Description section Added the sentence "The test also

  10. Notes From the Chair 2 Climate Change Impacts Could 2

    E-Print Network [OSTI]

    Notes From the Chair 2 Climate Change Impacts Could 2 Affect Columbia River Hydropower Generation hydropower dams, irrigates crops, provides habitat for fish and wild- life, and recreation, the implications and wildlife and hydropower. With the goal of protecting both resources, the Council has developed innovative

  11. Research Note Effects of Coastal Lighting on Foraging Behavior

    E-Print Network [OSTI]

    Branch, Lyn C.

    Research Note Effects of Coastal Lighting on Foraging Behavior of Beach Mice BRITTANY L. BIRD, LYN of artificial light into wildlife habitat represents a rapidly expanding form of human encroachment, particularly in coastal systems. Light pollution alters the behavior of sea turtles during nesting; therefore

  12. 1 ACIT Meeting Notes ACTION ITEMS ASSIGNED TO DELIVER BY

    E-Print Network [OSTI]

    California at Santa Cruz, University of

    -12PM 212 Kerr Hall Advisory Committee for Information Technology Meeting Notes MEETING DATE: 5. OR is currently doing more research development, as well as drawing in Silicon Valley Initiatives. Mobile Apps [P Designs) is to make sure system design and case management tool are configured correctly and that software

  13. Notes from the 3rd Axion Strategy Meeting

    SciTech Connect (OSTI)

    Baker, O. K. [Department of Physics, Yale University, P.O. Box 208120, New Haven, CT 06520 (United States); Cantatore, G. [Universita and INFN Trieste, via Valerio 2, 34127 Trieste (Italy); Jaeckel, J. [Institute for Particle Physics Phenomenology, Durham University, Durham DH1 3LE (United Kingdom); Mueller, G. [Department of Physics, University of Florida, PO Box 118440, Gainesville, FL 32611 (United States)

    2010-08-30T23:59:59.000Z

    In this note we briefly summarize the main future targets and strategies for axion and general low energy particle physics identified in the ''3rd axion strategy meeting'' held during the AXIONS 2010 workshop. This summary follows a wide discussion with contributions from many of the workshop attendees.

  14. News & Notes April 7, 2008 The Halcyon Saxophone

    E-Print Network [OSTI]

    Azevedo, Ricardo

    News & Notes ­ April 7, 2008 The Halcyon Saxophone Quartet, under the direction of Karen Wylie, won, and develop professional leadership skills. Jim Vassallo, Randal Adams (BA, Spring `83), and Ali Jackson (BA, assistant director Teresa Chapman,* Jackie Nalett,* Karen Stokes,* Ton

  15. LUCIFERASE ASSAY PROTOCOL FROM TRANSFORMED TISSUE Special Note

    E-Print Network [OSTI]

    Raizada, Manish N.

    LUCIFERASE ASSAY PROTOCOL FROM TRANSFORMED TISSUE Special Note: The Luciferase enzyme is unstable-ground samples. 2. Collect liquid nitrogen from downstairs and place 24 frozen tissue samples inside. 3. Place the power. 14.The luminometer cuvettes can be reused, BUT ONLY if they have been thoroughly soaked

  16. Undergraduate Lecture Notes in Topological Quantum Field Theory

    E-Print Network [OSTI]

    Vladimir G. Ivancevic; Tijana T. Ivancevic

    2008-12-11T23:59:59.000Z

    These third-year lecture notes are designed for a 1-semester course in topological quantum field theory (TQFT). Assumed background in mathematics and physics are only standard second-year subjects: multivariable calculus, introduction to quantum mechanics and basic electromagnetism. Keywords: quantum mechanics/field theory, path integral, Hodge decomposition, Chern-Simons and Yang-Mills gauge theories, conformal field theory

  17. 221B Lecture Notes Quantum Field Theory III (Radiation Field)

    E-Print Network [OSTI]

    Murayama, Hitoshi

    221B Lecture Notes Quantum Field Theory III (Radiation Field) 1 Quantization of Radiation Field was quantized: photons. Now that we have gone through quantization of a classical field (Schr¨odinger field so far), we can proceed to quantize the Maxwell field. The basic idea is pretty much the same, except

  18. 221B Lecture Notes Quantum Field Theory IV (Radiation Field)

    E-Print Network [OSTI]

    Murayama, Hitoshi

    221B Lecture Notes Quantum Field Theory IV (Radiation Field) 1 Quantization of Radiation Field was quantized: photons. Now that we have gone through quantization of a classical field (Schr¨odinger field so far), we can proceed to quantize the Maxwell field. The basic idea is pretty much the same, except

  19. CDF Note 10796 Search for Standard Model Higgs Boson Production

    E-Print Network [OSTI]

    Fermilab

    CDF Note 10796 Search for Standard Model Higgs Boson Production in Association with a W± Boson present a search for the standard model Higgs boson produced in association with a W± boson. This search that at least one jet be identified to originate from a bottom quark. Discrimination between the Higgs boson

  20. Note d'information Contribution la matrise des problmes

    E-Print Network [OSTI]

    Boyer, Edmond

    Note d'information Contribution à la maîtrise des problèmes biologiques des stations d et privé (encadré ) qui se consacre à la gestion des aspects biologiques des stations d'épu- ration'une étude de cas ; ou la mise en place d'études spécifiques sur un sujet qui le nécessite. Dans tous les cas

  1. Branden Fitelson Philosophy 290 Notes 1 Conditionals Seminar: Day 2

    E-Print Network [OSTI]

    Fitelson, Branden

    : ­ Stay tuned to course website for announcements/readings, etc. [e.g., first 4 chapters of Bennett OF BENNETT 09/07/04 Branden Fitelson Philosophy 290 Notes 2 ' & $ % Logical Background: (the horseshoe: p � q ñ p q. Controversial: p q ñ p � q. UCB Philosophy CHAPTERS 2 AND 3 OF BENNETT 09

  2. Atmosphere and Ocean: Earth's Heat Engine: GFD Lab notes

    E-Print Network [OSTI]

    Atmosphere and Ocean: Earth's Heat Engine: GFD Lab notes 18 May 2012 UW Hon220c Energy' of water vapor, CO2 and cloud, makes us much warmer than a Marsian (almost no atmosphere. -550C average 2002 clouds, snow, ice, deserts are bright absorbing areas are dark

  3. Research Note Evolving Human Competitive Spectra-Based Fault Localisation

    E-Print Network [OSTI]

    Fernandez, Thomas

    DEPARTMENT OF COMPUTER SCIENCE Research Note RN/13/03 Which is faster: Bowtie2GP > Bowtie > Bowtie2 > BWA 21 an improved version of Langmead's DNA read alignment tool Bowtie2 [Langdon and Harman, 2012, Sect. 5.3]. We query, Smith- Waterman, Bowtie2GP, fuzzy string matching, Homo sapiens genome reference consortium GRCh

  4. Drug Information Chart Notes Drug ad (intrinsic bias)

    E-Print Network [OSTI]

    Abolmaesumi, Purang

    Drug Information Chart Notes Drug ad (intrinsic bias) Trade name Different for each company Dosage Same or different? A drug in a different dosage can be used for a different therapy. Precautions Check for pregnancy A complete book on drugs in pregnancy and lactation in bibliography. (unbiased

  5. Technical Note Evaluation of mechanical rock properties using a Schmidt

    E-Print Network [OSTI]

    Ze'ev, Reches

    Technical Note Evaluation of mechanical rock properties using a Schmidt Hammer O. Katza, b, c, *, Z, 91904, Israel b Geological Survey of Israel, 30 Malkhe Yisrael St., Jerusalem, 95501, Israel c Rock of concrete hardness [1], and was later used to estimate rock strength [2,3]. It con- sists of a spring

  6. HMSC Sustainability Committee 4/10/07 Meeting Notes

    E-Print Network [OSTI]

    HMSC Sustainability Committee 4/10/07 Meeting Notes Review of one-page summary of costs, rebates, and sources of additional information on energy conservation investments for residential applications-consumer recycled content possible. Discussion about ways to promote sustainability at SeaFest, scheduled for June

  7. LABORATORY ANALYSIS OF SOILS AND SPOILS BPG NOTE 2

    E-Print Network [OSTI]

    be very costly to correct later (Bending et al., 1999). Soils on brownfield sites are often considered quantification of important hazards such as contaminants which are very often present on brownfield sites on contaminated land, and the forthcoming Information Note: Greenspace establishment on brownfield land: the site

  8. Advanced Calculus I (Math 309) Fall 2005 Lecture Notes

    E-Print Network [OSTI]

    Bohner, Martin

    ); (iii) invertible if f is both one-to-one and onto, and then f-1 : Y X is called the inverse function the composite function of f and g. Proposition 1.11. A function f : X Y is invertible iff there existsAdvanced Calculus I (Math 309) Fall 2005 Lecture Notes Martin Bohner Version from December 4, 2005

  9. (Data in metric tons of silver content unless otherwise noted)

    E-Print Network [OSTI]

    146 SILVER (Data in metric tons 1 of silver content unless otherwise noted) Domestic Production.S. refiners of commercial-grade silver, with an estimated total output of 6,500 tons from domestic and foreign to minimize odor, electroplating, hardening bearings, inks, mirrors, solar cells, water purification, and wood

  10. (Data in metric tons of silver content unless otherwise noted)

    E-Print Network [OSTI]

    146 SILVER (Data in metric tons 1 of silver content unless otherwise noted) Domestic Production, with an estimated total output of 2,500 tons from domestic and foreign ores and concentrates, and from old and new, mirrors, solar cells, water purification, and wood treatment. Silver was used for miniature antennas

  11. A Short Note on Unsigned Stirling Numbers Dennis Walsh

    E-Print Network [OSTI]

    Walsh, Dennis P.

    A Short Note on Unsigned Stirling Numbers Dennis Walsh Middle Tennessee State University The unsigned Stirling numbers | , the absolute values of Stirling numbers of the=Ð8� 5�l first kind, are well Stirling number Thel=Ð8� 5�l� following theorem formalizes this result. Theorem. For let denote an unsigned

  12. A NOTE ON STIRLING SERIES MARKUS KUBA AND HELMUT PRODINGER

    E-Print Network [OSTI]

    Wagner, Stephan

    A NOTE ON STIRLING SERIES MARKUS KUBA AND HELMUT PRODINGER Abstract. We study sums S = S(d, n, k The unsigned Stirling numbers of the first kind, also called Stirling cycle numbers, are defined the Kronecker delta function. Throughout this work we use Knuth's notation n k . It is well known that Stirling

  13. Note LPSC 06-114 (RACCAM) Zgoubi et les FFAGs

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Note LPSC 06-114 (RACCAM) Zgoubi et les FFAGs F. Lemuet F. M´eot Service Acc´el´erateurs 1 #12 code utilis´e, ZGOUBI, est d´ecrite par ailleurs [3], rappelons simplement ici qu'il est n´ecessaire de

  14. Technical note Insertion loss testing of active noise reduction

    E-Print Network [OSTI]

    Wong, Willy

    Technical note Insertion loss testing of active noise reduction headsets using acoustic fixture Jie. Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON measured insertion losses of four types of commercially avail- able ANR headsets using an Acoustic Test

  15. Technical Note Hemodynamic correlates of EEG: A heuristic

    E-Print Network [OSTI]

    Henson, Rik

    Technical Note Hemodynamic correlates of EEG: A heuristic J.M. Kilner,* J. Mattout, R. Henson with a loss of power in lower EEG frequencies, relative to higher frequencies. The fact that activation and electrical responses (Fig. 1, solid black lines). The characterization of the relationship between

  16. Covering Note INTER-ACADEMY REPORT ON GM CROPS

    E-Print Network [OSTI]

    Dhingra, Narender K.

    Covering Note for INTER-ACADEMY REPORT ON GM CROPS (Updated) The Inter-Academy Report on GM crops the main conclusions and recommendations. The literature on GM crops is voluminous. More than a hundred seek to enunciate a national strategy on GM crops. The rest deals with concerns, surveillance etc. #12

  17. Geochemical Rate/RNA Integration Study (GRIST): A Pilot Field Experiment for Inter-Calibration of Biogeochemistry and Nucleic Acid Measurements Final Report

    SciTech Connect (OSTI)

    Bronk, Deborah

    2007-01-08T23:59:59.000Z

    The Geochemical Rate/RNA Integration Study (GRIST) project sought to correlate biogeochemical flux rates with measurements of gene expression and mRNA abundance to demonstrate the application of molecular approaches to estimate the presence and magnitude of a suite of biogeochemical processes. The study was headed by Lee Kerkhoff of Rutgers University. In this component of the GRIST study, we characterized ambient nutrient concentrations and measured uptake rates for dissolved inorganic nitrogen (DIN, ammonium, nitrate and nitrite) and dissolved organic nitrogen (urea and dissolved free amino acids) during two diel studies at the Long-Term Ecosystem Observatory (LEO-15) on the New Jersey continental shelf.

  18. Geochemical Processes Data Package for the Vadose Zone in the Single-Shell Tank Waste Management Areas at the Hanford Site

    SciTech Connect (OSTI)

    Cantrell, Kirk J.; Zachara, John M.; Dresel, P. Evan; Krupka, Kenneth M.; Serne, R. Jeffrey

    2007-09-28T23:59:59.000Z

    This data package discusses the geochemistry of vadose zone sediments beneath the single-shell tank farms at the U.S. Department of Energy’s (DOE’s) Hanford Site. The purpose of the report is to provide a review of the most recent and relevant geochemical process information available for the vadose zone beneath the single-shell tank farms and the Integrated Disposal Facility. Two companion reports to this one were recently published which discuss the geology of the farms (Reidel and Chamness 2007) and groundwater flow and contamination beneath the farms (Horton 2007).

  19. Extension Note Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology ~ Silviculture ~ Wildlife

    E-Print Network [OSTI]

    Extension Note Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology and imple- #12;Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology ~ Silviculture

  20. GEOCHEMICAL CHARACTERIZATION OF GÜRÜN

    E-Print Network [OSTI]

    Stratigraphic Mineralogic

    A Middle Miocene playa-lake sedimentary sequence containing oil shales and trona is divided into the Gökp?nar (the lower oil shale unit) and the Terzio?lu (the upper oil shale unit) Members in the Gürün Basin in eastern Turkey. Thermal decomposition of Gürün oil shales was studied by thermo

  1. Geochemical engineering reference manual

    SciTech Connect (OSTI)

    Owen, L.B.; Michels, D.E.

    1984-01-01T23:59:59.000Z

    The following topics are included in this manual: physical and chemical properties of geothermal brine and steam, scale and solids control, processing spent brine for reinjection, control of noncondensable gas emissions, and goethermal mineral recovery. (MHR)

  2. LLW Notes, volume 9, No. 7. November and December 1994

    SciTech Connect (OSTI)

    NONE

    1994-12-01T23:59:59.000Z

    LLW Notes is distributed to Low-Level Radioactive Waste Forum Participants and other state and compact officials identified by those Participants to receive LLW Notes. The Low-Level Radioactive Waste Forum is an association of state and compact representatives appointed by governors and compact commissions, established to facilitate state and compact commission implementation of the Low- Level Radioactive Waste Policy Act of 1980 and the Low-Level Radioactive Waste Policy Amendments Act of 1985 and to promote the objectives of low-level radioactive waste regional compacts. The Forum provides an opportunity for states and compacts to share information with one another and to exchange views with officials of federal agencies and other interested parties.

  3. LLW Notes, Volume 9, Number 6. October 1994

    SciTech Connect (OSTI)

    NONE

    1994-10-01T23:59:59.000Z

    LLW Notes is distributed to Low-Level Radioactive Waste Forum Participants and other state and compact officials identified by those Participants to receive LLW Notes. The Low-Level Radioactive Waste Forum is an association of state and compact representatives appointed by governors and compact commissions, established to facilitate state and compact commission implementation of the Low- Level Radioactive Waste Policy Act of 1980 and the Low-Level Radioactive Waste Policy Amendments Act of 1985 and to promote the objectives of low-level radioactive waste regional compacts. The Forum provides an opportunity for states and compacts to share information with one another and to exchange views with officials of federal agencies and other interested parties.

  4. LLW Notes, vol.9, no. 5. August/September 1994

    SciTech Connect (OSTI)

    NONE

    1994-09-01T23:59:59.000Z

    LLW Notes is distributed to Low-Level Radioactive Waste Forum Participants and other state and compact officials identified by those Participants to receive LLW Notes. The Low-Level Radioactive Waste Forum is an association of state and compact representatives appointed by governors and compact commissions, established to facilitate state and compact commission implementation of the Low- Level Radioactive Waste Policy Act of 1980 and the Low-Level Radioactive Waste Policy Amendments Act of 1985 and to promote the objectives of low-level radioactive waste regional compacts. The Forum provides an opportunity for states and compacts to share information with one another and to exchange views with officials of federal agencies and other interested parties.

  5. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

    E-Print Network [OSTI]

    Note: This syllabus may represent a past offering of this course and future is a virtue ­ your insight, clarity of thought, #12;Note: This syllabus may represent

  6. Et introduksjonskurs EndNote X6 introduksjon Liv Brynhild Aspaas og Jo Forthun -NTNU UB, jan. 2013 2

    E-Print Network [OSTI]

    Malinnikova, Eugenia

    ..................................................................................................................................... 11 Eksempel 3: ISI Web of Science.................................................................................................................................. 19 EndNote Web (http://myendnoteweb.com/) ............................................................................ 20 Eks) Fra ISI Web of Science til EndNote Web

  7. Notes 14. Experimental identification of bearing force coefficients

    E-Print Network [OSTI]

    San Andres, Luis

    2009-01-01T23:59:59.000Z

    An example of system parameter identification (Hybrid Brush Seal) Luis San Andr?s (lecturer) Thanks to Adolfo Delgado, Jos? Baker (RAs) & support from Siemens Power Generation MEEN 617 - April 2008 Structural parameters K shaft = 243 lbf/in (42...Notes 14. IDENTIFICATION OF BEARING FORCE COEFFICIENTS. ? Dr. Luis San Andr?s (2009) 1 Handout # 14 (MEEN 626) Application example Experimental identification of bearing force coefficients Experimental identification of the dynamic force...

  8. Notes 04. Static load performance of plain journal bearings

    E-Print Network [OSTI]

    San Andres, Luis

    2010-01-01T23:59:59.000Z

    .s/m 2 ] ? 2 4 LR L WC ? ? ? ?? = ?? ?? Modified Sommerfeld number (short length bearing) ? Journal angular speed (rad/s) NOTES 4. STATIC LOAD PERFORMANCE OF PLAIN JOURNAL BEARINGS. Dr. Luis San Andr?s ? 2010 2 For incompressible...) pressure profiles for a short length journal bearing with the following dimensions and operating characteristics. Length L=50 mm; clearance, C=100 ?m, rotational speed at 3,000 rpm (?=314 rad/s), and lubricant viscosity ?=19 centipoise (19 10 -3 N...

  9. Notes 01. The fundamental assumptions and equations of lubrication theory

    E-Print Network [OSTI]

    San Andres, Luis

    2009-01-01T23:59:59.000Z

    for unsteady or transient motions ? Journal angular speed (rad/s) NOTES 1. THE FUNDAMENTAL ASSUMPTIONS IN HYDRODYNAMIC LUBRICATION ? Dr. Luis San Andr?s (2009) 2 Fluid flow in a general physical domain is governed by the principles of: a) conservation... of the runner surface. For example, in journal bearings U * =?R J where ? is the journal angular speed in rad/s. Substitution of the dimensionless variables into the continuity equation (1) renders the following expression 0...

  10. Advanced Calculus I (Math 309) Fall 2002 Lecture Notes

    E-Print Network [OSTI]

    Bohner, Martin

    is invertible iff there exists a function g : Y X with (f g)(y) = y y Y and (g f)(x) = x x X, and then gAdvanced Calculus I (Math 309) Fall 2002 Lecture Notes Martin Bohner Version from December 11, 2002. Preliminaries 1 0.1. Sets 1 0.2. Functions 1 0.3. Proofs 2 Chapter 1. The Real Number System 3 1.1. The Field

  11. Advanced Calculus I (Math 309) Fall 2003 Lecture Notes

    E-Print Network [OSTI]

    Bohner, Martin

    function of f and g. Proposition 0.9. A function f : X Y is invertible iff there exists a function g : YAdvanced Calculus I (Math 309) Fall 2003 Lecture Notes Martin Bohner Version from December 3, 2003. Preliminaries 1 0.1. Sets 1 0.2. Functions 1 0.3. Proofs 2 Chapter 1. The Real Number System 3 1.1. The Field

  12. Decrease Noted in LM Records Information Requests | 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 FuelsNovember 13, 2014ContributingDOE ContractDepartmentDecrease Noted in LM Records

  13. Journal of the Geological Society, London, Vol. 154, 1997, pp. 935946, 8 figs, 3 tables. Printed in Great Britain Geochemical and isotopic constraints on subduction polarity, magma sources, and

    E-Print Network [OSTI]

    Stern, Robert J.

    in Great Britain Geochemical and isotopic constraints on subduction polarity, magma sources, and palaeogeography of the Kohistan intra-oceanic arc, northern Pakistan Himalaya M. ASIF KHAN1 , ROBERT J. STERN2, Pakistan 2 Center for Lithospheric Studies, University of Texas at Dallas, Box 830688, Richardson, TX 75083

  14. [The Journal of Geology, 2004, volume 112, p. 91110] No copyright is claimed for this article. It remains in the public domain. Geochemical Discrimination of Five Pleistocene Lava-Dam Outburst-

    E-Print Network [OSTI]

    Poreda, Robert J.

    . It remains in the public domain. 91 Geochemical Discrimination of Five Pleistocene Lava-Dam Outburst- Flood@usgs.gov) A B S T R A C T Pleistocene basaltic lava dams and outburst-flood deposits in the western Grand Canyon outburst-flood deposit came from a common source, a lava dam. With these data, it is possible

  15. Performance of a zerovalent iron reactive barrier for the treatment of arsenic in groundwater: Part 2. Geochemical modeling and solid phase studies

    SciTech Connect (OSTI)

    Beak, Douglas G.; Wilkin, Richard T.; (EPA)

    2009-06-12T23:59:59.000Z

    Arsenic uptake processes were evaluated in a zerovalent iron reactive barrier installed at a lead smelting facility using geochemical modeling, solid-phase analysis, and X-ray absorption spectroscopy techniques. Aqueous speciation of arsenic is expected to play a key role in directing arsenic uptake processes. Geochemical modeling reveals contrasting pH-dependencies for As(III) and As(V) precipitation. At the moderately alkaline pH conditions typically encountered in zerovalent iron reactive barriers, As(III) is unlikely to precipitate as an oxide or a sulfide phase. Conversely, increasing pH is expected to drive precipitation of metal arsenates including ferrous arsenate. Bacterially mediated sulfate reduction plays an important role in field installations of granular iron. Neoformed iron sulfides provide surfaces for adsorption of oxyanion and thioarsenic species of As(III) and As(V) and are expected to provide enhanced arsenic removal capacity. X-ray absorption near edge structure (XANES) spectra indicate that arsenic is sequestered in the solid phase as both As(III) and As(V) in coordination environments with O and S. Arsenic removal in the PRB probably results from several pathways, including adsorption to iron oxide and iron sulfide surfaces, and possible precipitation of ferrous arsenate. Corrosion of granular iron appears to result in some As(III) oxidation to As(V) as the proportion of As(V) to As(III) in the solid phase is greater compared to influent groundwater. As(0) was not detected in the PRB materials. These results are broadly comparable to laboratory based studies of arsenic removal by zerovalent iron, but additional complexity is revealed in the field environment, which is largely due to the influence of subsurface microbiota.

  16. Elucidating geochemical response of shallow heterogeneous aquifers to CO2 leakage using high-performance computing: Implications for monitoring of CO2 sequestration

    SciTech Connect (OSTI)

    Navarre-Sitchler, Alexis K.; Maxwell, Reed M.; Siirila, Erica R.; Hammond, Glenn E.; Lichtner, Peter C.

    2013-03-01T23:59:59.000Z

    Predicting and quantifying impacts of potential carbon dioxide (CO2) leakage into shallow aquifers that overlie geologic CO2 storage formations is an important part of developing reliable carbon storage techniques. Leakage of CO2 through fractures, faults or faulty wellbores can reduce groundwater pH, inducing geochemical reactions that release solutes into the groundwater and pose a risk of degrading groundwater quality. In order to help quantify this risk, predictions of metal concentrations are needed during geologic storage of CO2. Here, we present regional-scale reactive transport simulations, at relatively fine-scale, of CO2 leakage into shallow aquifers run on the PFLOTRAN platform using high-performance computing. Multiple realizations of heterogeneous permeability distributions were generated using standard geostatistical methods. Increased statistical anisotropy of the permeability field resulted in more lateral and vertical spreading of the plume of impacted water, leading to increased Pb2+ (lead) concentrations and lower pH at a well down gradient of the CO2 leak. Pb2+ concentrations were higher in simulations where calcite was the source of Pb2+ compared to galena. The low solubility of galena effectively buffered the Pb2+ concentrations as galena reached saturation under reducing conditions along the flow path. In all cases, Pb2+ concentrations remained below the maximum contaminant level set by the EPA. Results from this study, compared to natural variability observed in aquifers, suggest that bicarbonate (HCO3) concentrations may be a better geochemical indicator of a CO2 leak under the conditions simulated here.

  17. Evapotranspiration And Geochemical Controls On Groundwater Plumes At Arid Sites: Toward Innovative Alternate End-States For Uranium Processing And Tailings Facilities

    SciTech Connect (OSTI)

    Looney, Brian B.; Denham, Miles E.; Eddy-Dilek, Carol A.; Millings, Margaret R.; Kautsky, Mark

    2014-01-08T23:59:59.000Z

    Management of legacy tailings/waste and groundwater contamination are ongoing at the former uranium milling site in Tuba City AZ. The tailings have been consolidated and effectively isolated using an engineered cover system. For the existing groundwater plume, a system of recovery wells extracts contaminated groundwater for treatment using an advanced distillation process. The ten years of pump and treat (P&T) operations have had minimal impact on the contaminant plume – primarily due to geochemical and hydrological limits. A flow net analysis demonstrates that groundwater contamination beneath the former processing site flows in the uppermost portion of the aquifer and exits the groundwater as the plume transits into and beneath a lower terrace in the landscape. The evaluation indicates that contaminated water will not reach Moenkopi Wash, a locally important stream. Instead, shallow groundwater in arid settings such as Tuba City is transferred into the vadose zone and atmosphere via evaporation, transpiration and diffuse seepage. The dissolved constituents are projected to precipitate and accumulate as minerals such as calcite and gypsum in the deep vadose zone (near the capillary fringe), around the roots of phreatophyte plants, and near seeps. The natural hydrologic and geochemical controls common in arid environments such as Tuba City work together to limit the size of the groundwater plume, to naturally attenuate and detoxify groundwater contaminants, and to reduce risks to humans, livestock and the environment. The technical evaluation supports an alternative beneficial reuse (“brownfield”) scenario for Tuba City. This alternative approach would have low risks, similar to the current P&T scenario, but would eliminate the energy and expense associated with the active treatment and convert the former uranium processing site into a resource for future employment of local citizens and ongoing benefit to the Native American Nations.

  18. Notes 09. Numerical evaluation of natural modes and frequencies

    E-Print Network [OSTI]

    San Andres, Luis

    2008-01-01T23:59:59.000Z

    TRANSFORMATIONS with ORTHOGONAL MATRICES. A sequence of matrices A 0 , A 1 , A 2 , . . . is formed by: ;;1,2.k?= TT kkk-1kkk A=QA Q QQ I (36) The matrix A k is similar to A and the corresponding eigenvector s are related by 12...(? ) ; ? ?? , which is equal to the unit matrix except for the elements r pp = r qq = cos? , r pq = -r qp = sin? (39) note that R T pq = R pq(-? ) 1 1 1 cos sin 1 1 sin cos 1 1 ?? ?? ?? ?? ? ?? ?? p row q row 0 0 p column q...

  19. On the energy-time uncertainty principle A didactical note

    E-Print Network [OSTI]

    Giribet, G

    2005-01-01T23:59:59.000Z

    This brief note has the didactical purpose of discussing the meaning of the uncertainty principle involving energy and time in quantum mechanics by means of a review of the seminal works on this subject. The importance of this topic is, indeed, frequently neglected in several textbooks on quantum mechanics. Then, these pages are addressed to students attenting to an undergraduate course on quantum theory; and the original aim is that of presenting a list of references of the points that take part in the principal discussions on the subject. Special attention is devoted to the discussion of the fallacies, which are certainly persistent in the didactical literature.

  20. Tutorial Note on Merging Matrix Elements with Parton Showers

    E-Print Network [OSTI]

    Rössler, Thomas

    2015-01-01T23:59:59.000Z

    In this short note, I introduce to essential conceptual features and main building blocks of matrix element merging algorithms, operating on fixed order calculations both at leading order and next-to-leading order. The intention is purely pedagogical, i.e. to familiarize the reader with the essential basic concepts in a concise way, thus serving as an introduction to beginners and other interested readers. Unitarization is discussed briefly. The tutorial is highly biased towards transverse momentum ordered parton showers, and in particular towards merging schemes as they are implemented in the Pythia8 general purpose Monte Carlo generator.

  1. Tutorial Note on Merging Matrix Elements with Parton Showers

    E-Print Network [OSTI]

    Thomas Rössler

    2015-03-26T23:59:59.000Z

    In this short note, I introduce to essential conceptual features and main building blocks of matrix element merging algorithms, operating on fixed order calculations both at leading order and next-to-leading order. The intention is purely pedagogical, i.e. to familiarize the reader with the essential basic concepts in a concise way, thus serving as an introduction to beginners and other interested readers. Unitarization is discussed briefly. The tutorial is highly biased towards transverse momentum ordered parton showers, and in particular towards merging schemes as they are implemented in the Pythia8 general purpose Monte Carlo generator.

  2. Note on potential theory for functions in Hardy classes

    E-Print Network [OSTI]

    Truong, Tuyen Trung

    2008-01-01T23:59:59.000Z

    The purpose of this note is to show that the set functions defined in \\cite{trong-tuyen} can be suitably extended to all subsets $E$ of the unit disk $\\mathbb{D}$. In particular we obtain uniform nearly-optimal estimates for the following quantity D_p(E,\\epsilon, R) = \\sup \\{\\sup_{|z| \\leq R}|g(z)|: g\\in H^p, ||g||_{H^p}\\leq 1, (1-|\\zeta |)|g(\\zeta)| \\leq \\epsilon \\forall \\zeta\\in E\\}.

  3. Note on Structure Formation from Cosmic String Wakes

    E-Print Network [OSTI]

    Duplessis, Francis

    2013-01-01T23:59:59.000Z

    The search for cosmic strings has been of renewed interest with the advent of precision cosmology. In this note we give a quantitative description of the nonlinear matter density fluctuations that can form from a scaling network of cosmic string wakes. Specifically, we compute the distribution of dark matter halos. These halos would possess strong correlations in position space that should have survived until today. We also discuss the challenges involved in their detection due to their small size and the complex dynamics of their formation.

  4. The effectiveness of note taking in the college classroom

    E-Print Network [OSTI]

    Miller, Thomas Harold

    1969-01-01T23:59:59.000Z

    and C-. rlto. . r ferred to an earlier stud; 'ov Vernon ~19 ', . ) ~who reoorted that note takin= durin:; film strips did not cortri?. u, . e signific= ntly to Learning, even when tce film strics w, re ad]usted to s Liow a, ;"le writing time. Vernon... ore -e?. tati on, . d some f 1 ' ns 1 co& &, 1 r& ! q ro t ', j r??c 1? n ' q, -c& . oH+ er s o &or &-r 1; 1-. fo? t-&, r 1& ", o c- 'ar?!cn's st. &d. - ?. . i=-. ht lndic! t that ?!?cole c-& ' rtu?!1?v no ' ' -. u' it m&&. = ce r . mesc!-rec 'ha...

  5. EM QA Working Group September 2011 Notes | 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 onYouTube YouTube Note: Since the YouTube|6721 Federal Register / Vol.6: RecordJune 20, 2013Meeting Materials EM QANotes

  6. EIA - Greenhouse Gas Emissions - Table-Figure Notes and Sources

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at1,066,688 760,877 951,322 1,381,127byForms What'sAnnual23.A1. Notes

  7. DOE Webinar_1.15.15_with Notes

    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 onYouTube YouTube Note: Since the YouTube| Department ofDepartment of Energy toDocumentedtoInterimDOEof DOE

  8. Notes from the Call | OpenEI Community

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation, searchOfRoseConcerns Jumpsource History ViewTexas: EnergyWindNorwich, UnitedNotes

  9. Meeting Notes re NOI for Convention on Supplementary Compensation |

    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 onYouTube YouTube Note: Since the.pdfBreaking ofOil & GasTechnical PublicationsDepartment

  10. Federal Utility Partnership Working Group Meeting Notes | Department of

    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 onYouTube YouTube Note: Since the YouTube|6721Energy 3_adv_battery.pdf MoreEnergyAugust 19,Coal

  11. EIA-906 & EIA-920, and EIA-923 Database Notes

    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 Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere IRaghurajiConventionalMississippi"site. If youEIA-906 & EIA-920, and EIA-923 Database Notes"

  12. Transport Policy Note-Bangladesh | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnualProperty Edit withTianlin Baxin Hydropower StationTown ofTownNote-Bangladesh Jump to:

  13. NERSC Users Group Meeting June 13 - 14, 1995 Notes

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)Integrated Codes |IsLove Your1AllocationsNOVAPlayed KeyPresentations ERSUGMinutesNotes

  14. NERSC Users Group Meeting June 24-25, 2004 Notes

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)Integrated Codes |IsLove Your1AllocationsNOVAPlayed KeyPresentationsAttendee ListNotes

  15. NERSC Users Group Meeting May 29-30, 2003 Notes

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)Integrated Codes |IsLove Your1AllocationsNOVAPlayed NUG 2000 Dates June NUGNotes Notes

  16. Use of Lotus Notes to manage environmental activities

    SciTech Connect (OSTI)

    Heigel, G.K.

    1999-07-01T23:59:59.000Z

    Whether you have a large dedicated environmental staff or a small multi-tasking environmental staff, environmental regulations and their requirements are on the rise. With this trend, it is critical to systematically identify these requirements and track them to completion. Honda has developed a Lotus Notes based system with various forms and views to identify responsibility, time frames and procedures to complete these activities. Recurring activities are automatically regenerated to show up as a new activity with a new completion date. It allows an environmental staff to review activities to be done, prioritize work on them and identify completed activities. With the various sorting criteria for each action item, management can easily review regulatory compliance issues, their status and provide the ability to plan for their timely completion. This system is intended to provide ongoing support to environmental staffs on ongoing activities and easy access to procedures relating to activities. Honda also has a library database to house environmental procedures, as well as regulatory guidance to aid in regulatory interpretations. The Lotus Notes system allows the activities identified above to link to the library as a direct reference. This system is designed to provide a higher level of confidence that a company is meeting all its requirements on an ongoing basis, and giving management a tool to get a clear picture of the status of regulatory compliance activities.

  17. Notes 10. A thermohydrodynamic bulk-flow model for fluid film bearings

    E-Print Network [OSTI]

    San Andres, Luis

    2009-01-01T23:59:59.000Z

    Notes 10. THERMOHYDRODYNAMIC BULK-FLOW MODEL IN THIN FILM LUBRICATION ? Dr. Luis San Andr?s (2009) 1 Notes 10. Thermohydrodynamic Bulk-Flow Model in Thin Film Lubrication General flow characteristics in oil lubricated fluid film... regimes Notes 10. THERMOHYDRODYNAMIC BULK-FLOW MODEL IN THIN FILM LUBRICATION ? Dr. Luis San Andr?s (2009) 2 Bulk-Flow Equations for Thin Fluid Films The fluid flow within a thin film region, see Fig.1, is governed by the continuity...

  18. Notes 08. Turbulence flow in thin film bearings : Characteristics and Modeling

    E-Print Network [OSTI]

    San Andres, Luis

    2009-01-01T23:59:59.000Z

    NOTES 8. TURBULENCE IN THIN FILM FLOWS. Dr. Luis San Andr?s ? 2009 1 Notes 8. Turbulence in Thin Film Flows Notes 8 detail the characteristics of turbulent flows and provide insight into the flow instabilities that precede transition from a... for averaging of turbulent flow velocities [s] NOTES 8. TURBULENCE IN THIN FILM FLOWS. Dr. Luis San Andr?s ? 2009 2 Ta 2 Re C R ?? ?? ?? . Taylor number ?? 1, 2, 3 i i u ? Components of velocity field [m/s] = ? ? ii uu?? ?? 1, 2, 3 , ii i uu...

  19. COLLOQUIUM - NOTE SPECIAL TIME OF 3:15PM: Savannah River National...

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

    to 5:30pm Colloquia MBG Auditorium COLLOQUIUM - NOTE SPECIAL TIME OF 3:15PM: Savannah River National Laboratory: Underpinning Critical National Missions Dr. Jeff Griffin...

  20. TECHNICAL NOTE HEAVY-DUTY DIESEL VEHICLE (HDDV) IDLING ACTIVITY AND

    E-Print Network [OSTI]

    #12;#12;TECHNICAL NOTE HEAVY-DUTY DIESEL VEHICLE (HDDV) IDLING ACTIVITY AND EMISSIONS STUDY: PHASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Current Diesel Idling Emissions Factors

  1. Extension Note Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology ~ Silviculture ~ Wildlife

    E-Print Network [OSTI]

    Extension Note Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology-748-1331. mdeact@shaw.ca #12;Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology

  2. Extension Note Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology ~ Silviculture ~ Wildlife

    E-Print Network [OSTI]

    Extension Note Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology, BC, V9J 1G4 #12;Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology

  3. Extension Note Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology ~ Silviculture ~ Wildlife

    E-Print Network [OSTI]

    Extension Note Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology ~ Pedology Rd., Black Creek, BC, V9J 1G4 #12;Research Disciplines: Ecology ~ Geology ~ Geomorphology ~ Hydrology

  4. A note on Burer's copositive representation of mixed-binary QPs

    E-Print Network [OSTI]

    2009-09-27T23:59:59.000Z

    into copositive programs where a linear functional is minimized over a linearly constrained subset of the cone of completely positive ma- trices. In this note we ...

  5. Dredging/dredged material management risk assessment. Technical note

    SciTech Connect (OSTI)

    NONE

    1998-09-01T23:59:59.000Z

    This technical note explains the use of risk assessment to facilitate dredged material management decision-making in navigable waterways by US Army Corps of Engineer (USACE) project managers and field operations personnel. The document does not promote risk assessment as a tool for use in every dredged material management decision. It is likely to be most useful, and most used, in those cases that constitute the exception rather than the rule. The use of risk assessment is intended to supplement the analytical options currently available to dredged material managers by building on the existing technical framework (US Environmental Protection Agency (USEPA)/USACE 1992) and the existing tiered approaches (USEPA/USACE 1991, 1998).

  6. CSC 438F/2404F Notes Fall, 2008 The first two references have especially influenced these notes and are cited from time to

    E-Print Network [OSTI]

    Mitchell, David G.

    influenced these notes and are cited from time to time: [Buss] Samuel Buss: Chapter I: An introduction to proof theory, in Handbook of Proof Theory, Samuel Buss Ed., Elsevier, 1998, pp1-78. [B&M] John Bell

  7. TOUGHREACT User's Guide: A Simulation Program for Non-isothermal Multiphase Reactive Geochemical Transport in Variably Saturated Geologic Media, V1.2.1

    SciTech Connect (OSTI)

    Xu, Tianfu; Sonnenthal, Eric; Spycher, Nicolas; Pruess, Karsten

    2008-09-29T23:59:59.000Z

    Coupled modeling of subsurface multiphase fluid and heat flow, solute transport, and chemical reactions can be applied to many geologic systems and environmental problems, including geothermal systems, diagenetic and weathering processes, subsurface waste disposal, acid mine drainage remediation, contaminant transport, and groundwater quality. TOUGHREACT has been developed as a comprehensive non-isothermal multi-component reactive fluid flow and geochemical transport simulator to investigate these and other problems. A number of subsurface thermo-physical-chemical processes are considered under various thermohydrological and geochemical conditions of pressure, temperature, water saturation, and ionic strength. TOUGHREACT can be applied to one-, two- or three-dimensional porous and fractured media with physical and chemical heterogeneity. The code can accommodate any number of chemical species present in liquid, gas and solid phases. A variety of equilibrium chemical reactions are considered, such as aqueous complexation, gas dissolution/exsolution, and cation exchange. Mineral dissolution/precipitation can take place subject to either local equilibrium or kinetic controls, with coupling to changes in porosity and permeability and capillary pressure in unsaturated systems. Chemical components can also be treated by linear adsorption and radioactive decay. The first version of the non-isothermal reactive geochemical transport code TOUGHREACT was developed (Xu and Pruess, 1998) by introducing reactive geochemistry into the framework of the existing multi-phase fluid and heat flow code TOUGH2 (Pruess, 1991). TOUGHREACT was further enhanced with the addition of (1) treatment of mineral-water-gas reactive-transport under boiling conditions, (2) an improved HKF activity model for aqueous species, (3) gas species diffusion coefficients calculated as a function of pressure, temperature, and molecular properties, (4) mineral reactive surface area formulations for fractured and porous media, and (5) porosity, permeability, and capillary pressure changes owing to mineral precipitation/dissolution (Sonnenthal et al., 1998, 2000, 2001; Spycher et al., 2003a). Subsequently, TOUGH2 V2 was released with additional EOS modules and features (Pruess et al., 1999). The present version of TOUGHREACT includes all of the previous extensions to the original version, along with the replacement of the original TOUGH2 (Pruess, 1991) by TOUGH2 V2 (Pruess et al., 1999). TOUGHREACT has been applied to a wide variety of problems, some of which are included as examples, such as: (1) Supergene copper enrichment (Xu et al., 2001); (2) Mineral alteration in hydrothermal systems (Xu and Pruess, 2001a; Xu et al., 2004b; Dobson et al., 2004); (3) Mineral trapping for CO{sub 2} disposal in deep saline aquifers (Xu et al., 2003b and 2004a); (4) Coupled thermal, hydrological, and chemical processes in boiling unsaturated tuff for the proposed nuclear waste emplacement site at Yucca Mountain, Nevada (Sonnenthal et al., 1998, 2001; Sonnenthal and Spycher, 2000; Spycher et al., 2003a, b; Xu et al., 2001); (5) Modeling of mineral precipitation/dissolution in plug-flow and fracture-flow experiments under boiling conditions (Dobson et al., 2003); (6) Calcite precipitation in the vadose zone as a function of net infiltration (Xu et al., 2003); and (7) Stable isotope fractionation in unsaturated zone pore water and vapor (Singleton et al., 2004). The TOUGHREACT program makes use of 'self-documenting' features. It is distributed with a number of input data files for sample problems. Besides providing benchmarks for proper code installation, these can serve as a self-teaching tutorial in the use of TOUGHREACT, and they provide templates to help jump-start new applications. The fluid and heat flow part of TOUGHREACT is derived from TOUGH2 V2, so in addition to the current manual, users must have the manual of the TOUGH2 V2 (Pruess et al., 1999). The present version of TOUGHREACT provides the following TOUGH2 fluid property or 'EOS' (equation-of-state) modules: (1) EOS1 for

  8. version 17.0 FERMILAB-PUB-10-???-E CDF Note 10101, D0 Note 6039 Combined Tevatron upper limit on gg H W +

    E-Print Network [OSTI]

    Fermilab

    ,82 D. Brown ,22 E. Brubaker ,83 X.B. Bu ,8 D. Buchholz ,86 J. Budagov ,53 H.S. Budd ,115 S. Budd ,87. Campanelli ,68 M. Campbell ,104 F. Canelli ,82, 83 A. Canepa ,123 B. Carls ,87 D. Carlsmith ,134 R. Carosiversion 17.0 FERMILAB-PUB-10-???-E CDF Note 10101, D0 Note 6039 Combined Tevatron upper limit on gg

  9. d.note: Revising User Interfaces Through Change Tracking, Annotations, and Alternatives

    E-Print Network [OSTI]

    Cheriton, David R.

    , revision, annotation. ACM Classification Keywords H.5.2. [Information Interfaces]: User Interfacesd.note: Revising User Interfaces Through Change Tracking, Annotations, and Alternatives Björn typically revise user interface prototypes by adding unstructured notes to storyboards and screen printouts

  10. Environmental effects of dredging. Engineer manual series on dredging and dredged material disposal. Technical notes

    SciTech Connect (OSTI)

    Palermo, M.R.

    1988-03-01T23:59:59.000Z

    This technical note describes a series of Engineer Manuals (EMs) on dredging and dredged material disposal being published by the Office, Chief of Engineers, US Army. The note describes the purpose of the manual series, intended audience, major topics covered, availability of published manuals, and the status of future manuals.

  11. 2007 Survey of Energy Resources World Energy Council 2007 Wave Energy COUNTRY NOTES

    E-Print Network [OSTI]

    2007 Survey of Energy Resources World Energy Council 2007 Wave Energy 550 COUNTRY NOTES The following Country Notes on Wave Energy have been compiled by Tom Thorpe and the Editors. Every effort has been made to be comprehensive by making contact with all known wave energy developers. However

  12. BWeb Notes for Chapter 5: Water Flows in the Mono Basin

    E-Print Network [OSTI]

    Ford, Andrew

    BWeb Notes for Chapter 5: Water Flows in the Mono Basin Most of the BWeb notes in chapter 5 refer/yr. · Exposed lake bottom evaporation is estimated at 12 KAF/yr. (This refers to the evaporation from residual pools of water stranded by the receding lake as well as evaporation from ground water brought

  13. CHEN 3600 Computer-Aided Chemical Engineering Chemical Engineering Department Notes 4

    E-Print Network [OSTI]

    Clement, Prabhakar

    CHEN 3600 ­ Computer-Aided Chemical Engineering Chemical Engineering Department Notes 4 EWE-Aided Chemical Engineering Chemical Engineering Department Notes 4 EWE: "Engineering With Excel" Larsen Page 2 will be added using "cutting and pasting". #12;CHEN 3600 ­ Computer-Aided Chemical Engineering Chemical

  14. UBC Clinical Guidance Notes December 17, 2012 1 | P a g e Table of Contents

    E-Print Network [OSTI]

    Michelson, David G.

    UBC Clinical Guidance Notes December 17, 2012 1 | P a g e Table of Contents PART A: UBC Clinical: Acronyms and Glossary #12;UBC Clinical Guidance Notes December 17, 2012 2 | P a g e UBC Clinical Research clinical Research Ethics Boards' policies and guidance concerning clinical research ethics at UBC

  15. LBNL Totally Depleted CCD Group Internal Note Last revised 8 November 2002

    E-Print Network [OSTI]

    LBNL Totally Depleted CCD Group Internal Note Last revised 8 November 2002 Conceptual design for shielding the 200 µm-thick LBNL CCD at the Lick 3-m Coud´e Spectrograph from environmental gamma radiation This note was drafted by Don Groom (LBNL; deg@lbl.gov), but it is based on considerable work by Steve

  16. LBNL Totally Depleted CCD Group Internal Note Last revised 8 November 2002

    E-Print Network [OSTI]

    LBNL Totally Depleted CCD Group Internal Note Last revised 8 November 2002 Conceptual design for shielding the 200 µm­thick LBNL CCD at the Lick 3­m Coudâ??e Spectrograph from environmental gamma radiation This note was drafted by Don Groom (LBNL; deg@lbl.gov), but it is based on considerable work by Steve

  17. INTERNAL PROJECT INFORMATION NOTE 10/08 Title: CCF Harvesting Method Development: Harvester Head

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    INTERNAL PROJECT INFORMATION NOTE 10/08 Title: CCF Harvesting Method Development: Harvester Head PROJECT INFORMATION NOTE 10/08 Ref 1200A/56/07 CCF Harvesting Method Development: Harvester Head Visibility SUMMARY The use of Continuous Cover Forestry (CCF) can lead to situations where a dense

  18. Notes on the integration of numerical relativity waveforms

    E-Print Network [OSTI]

    Christian Reisswig; Denis Pollney

    2011-09-22T23:59:59.000Z

    A primary goal of numerical relativity is to provide estimates of the wave strain, $h$, from strong gravitational wave sources, to be used in detector templates. The simulations, however, typically measure waves in terms of the Weyl curvature component, $\\psi_4$. Assuming Bondi gauge, transforming to the strain $h$ reduces to integration of $\\psi_4$ twice in time. Integrations performed in either the time or frequency domain, however, lead to secular non-linear drifts in the resulting strain $h$. These non-linear drifts are not explained by the two unknown integration constants which can at most result in linear drifts. We identify a number of fundamental difficulties which can arise from integrating finite length, discretely sampled and noisy data streams. These issues are an artifact of post-processing data. They are independent of the characteristics of the original simulation, such as gauge or numerical method used. We suggest, however, a simple procedure for integrating numerical waveforms in the frequency domain, which is effective at strongly reducing spurious secular non-linear drifts in the resulting strain.

  19. Sedimentological, mineralogical and geochemical definition of oil-shale facies in the lower Parachute Creek Member of Green River Formation, Colorado

    SciTech Connect (OSTI)

    Cole, R.D.

    1984-04-01T23:59:59.000Z

    Sedimentological, mineralogical and geochemical studies of two drill cores penetrating the lower Saline zone of the Parachute Creek Member (middle L-4 oil-shale zone through upper R-2 zone) of the Green River Formation in north-central Piceance Creek basin, Colorado, indicate the presence of two distinct oil-shale facies. The most abundant facies has laminated stratification and frequently occurs in the L-4, L-3 and L-2 oil-shale zones. The second, and subordinate facies, has ''streaked and blebby'' stratification and is most abundant in the R-4, R-3 and R-2 zones. Laminated oil shale originated by slow, regular sedimentation during meromictic phases of ancient Lake Uinta, whereas streaked and blebby oil shale was deposited by episodic, non-channelized turbidity currents. Laminated oil shale has higher contents of nahcolite, dawsonite, quartz, K-feldspar and calcite, but less dolomite/ankerite and albite than streaked and blebby oil shale. Ca-Mg-Fe carbonate minerals in laminated oil shale have more variable compositions than those in streaked and blebby shales. Streaked and blebby oil shale has more kerogen and a greater diversity of kerogen particles than laminated oil shale. Such variations may produce different pyrolysis reactions when each shale type is retorted.

  20. Geochemical and Isotopic Evaluation of Groundwater Movement in Corrective Action Unit 97: Yucca Flat/Climax Mine, Nevada Test Site, Nevada, Rev. No.: 0

    SciTech Connect (OSTI)

    Farnham, Irene

    2006-02-01T23:59:59.000Z

    This report describes the results of a comprehensive geochemical evaluation of the groundwater flow system in the Yucca Flat/Climax Mine Corrective Action Unit (CAU). The main objectives of this study are to identify probable pathways for groundwater flow within the study area and to develop constraints on groundwater transit times between selected data collection sites. This work provides an independent means of testing and verifying predictive flow models being developed for this CAU using finite element methods. The Yucca Flat/Climax Mine CAU constitutes the largest of six underground test areas on the Nevada Test Site (NTS) specified for remedial action in the ''Federal Facility Agreement and Consent Order''. A total of 747 underground nuclear detonations were conducted in this CAU. Approximately 23 percent of these detonations were conducted below or near the water table, resulting in groundwater contamination in the vicinity and possibly downgradient of these underground test locations. Therefore, a rigorous evaluation of the groundwater flow system in this CAU is necessary to assess potential long-term risks to the public water supply at downgradient locations.

  1. Calculus Cheat Sheet Visit http://tutorial.math.lamar.edu for a complete set of Calculus notes. 2005 Paul Dawkins

    E-Print Network [OSTI]

    Bogaerts, Steven

    Calculus Cheat Sheet Visit http://tutorial.math.lamar.edu for a complete set of Calculus notes;Calculus Cheat Sheet Visit http://tutorial.math.lamar.edu for a complete set of Calculus notes. © 2005 Paul

  2. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

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    Note: This syllabus may represent a past offering of this course and future course offerings may;Note: This syllabus may represent a past offering of this course and future course offerings may differ

  3. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

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    Note: This syllabus may represent a past offering of this course and future course offerings may to its cultural relevance and effectiveness 50% Week 9 #12;Note: This syllabus may represent a past

  4. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

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    Note: This syllabus may represent a past offering of this course and future course offerings may) with your progress report (PDF). (1-3 pages) #12;Note: This syllabus may represent a past offering

  5. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

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    Note: This syllabus may represent a past offering of this course and future course offerings may the original total point value. Work more than 5 days late will receive zero credit. #12;Note: This syllabus

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    Note: This syllabus may represent a past offering of this course and future course offerings may-class participation (required) #12;Note: This syllabus may represent a past offering of this course and future course

  7. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

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    Note: This syllabus may represent a past offering of this course and future course offerings may Participation 10% Major Figure 15% Group Web 25% Final Paper 40% #12;Note: This syllabus may represent a past

  8. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

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    Note: This syllabus may represent a past offering of this course and future course offerings may is a part of your class grade and that it includes many components. #12;Note: This syllabus may represent

  9. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

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    Note: This syllabus may represent a past offering of this course and future course offerings may will design and build a #12;Note: This syllabus may represent a past offering of this course and future course

  10. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

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    Note: This syllabus may represent a past offering of this course and future course offerings may and prototype files can be in the format most convenient for you. #12;Note: This syllabus may represent a past

  11. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

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    Note: This syllabus may represent a past offering of this course and future course offerings may, #12;Note: This syllabus may represent a past offering of this course and future course offerings may

  12. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

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    Note: This syllabus may represent a past offering of this course and future course offerings may argumentation around the concept of crowdsourcing/crowd work. #12;Note: This syllabus may represent a past

  13. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

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    Note: This syllabus may represent a past offering of this course and future course offerings may your professional identity using multiple avenues (i.e., #12;Note: This syllabus may represent a past

  14. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

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    Note: This syllabus may represent a past offering of this course and future course offerings may discussions): 20% #12;Note: This syllabus may represent a past offering of this course and future course

  15. Research note on a well posed integral used in Apery's proof for the irrationality of Z(3)

    E-Print Network [OSTI]

    Nikos Bagis

    2009-07-06T23:59:59.000Z

    In this note we evaluate multiple integrals that play a crucial role in the theory of irrationality of zeta function

  16. Notes on several phenomenological laws of quantum gravity

    E-Print Network [OSTI]

    Bruneton, Jean-Philippe

    2013-01-01T23:59:59.000Z

    Phenomenological approaches to quantum gravity try to infer model-independent laws by analyzing thought experiments and combining both quantum, relativistic, and gravitational ingredients. We first review these ingredients -three basic inequalities- and discuss their relationships with the nature of fundamental constants. In particular, we argue for a covariant mass bound conjecture: in a spacetime free of horizon, the mass inside a surface $A$ cannot exceed $16 \\pi G^2 m^2m_p$ (5) There exists a mass dependent maximal force and power (6) There exists a maximal energy density and pressure (7) Physical systems must obey the Holographic Principle (8) Holographic bounds can only be saturated by systems with $m>m_p$; systems lying on the ``Compton line'' $l \\sim 1/m$ are fundamental objects without substructures (9) We speculate on a new bound from above for the action. In passing, we note that the maximal acceleration is of the order of Milgrom's acceleration $a_0$ for ultra-light particles ($m\\sim H_0)$ that co...

  17. Environmental effects of dredging. Evaluating environmental effects of dredged material management alternatives - a technical framework. Technical notes

    SciTech Connect (OSTI)

    Palermo, M.R.; Francingues, N.R.; Engler, R.M.

    1993-02-01T23:59:59.000Z

    This Technical Note presents a brief description of a joint U.S. Army Corps of Engineers (USACE) and U.S. Environmental Protection Agency (USEPA) Technical Framework for the identification of environmentally acceptable alternatives for the management of dredged material. This Technical Note replaces the earlier Technical Note EEDPA-06-14, which should be discarded.

  18. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

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    Note: This syllabus may represent a past offering of this course and future course offerings may management project OR 55% Due Week 8b #12;Note: This syllabus may represent a past offering of this course - Cultural adaptation WEEK 3A ­ JULY 5TH Localization Engineering and Tools #12;Note: This syllabus may

  19. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

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    Note: This syllabus may represent a past offering of this course and future course offerings may for a small system and plan and perform a usability evaluation #12;Note: This syllabus may represent a past in UCD Week 11 Project Presentations L11: Course Wrap-Up Finals Online Final Exam #12;Note: This syllabus

  20. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

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    Note: This syllabus may represent a past offering of this course and future course offerings may;Note: This syllabus may represent a past offering of this course and future course offerings may differHutchinson Style: #12;Note: This syllabus may represent a past offering of this course and future course offerings

  1. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

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    Note: This syllabus may represent a past offering of this course and future course offerings may reading 5% Participation in discussion 10% ____________ 100% #12;Note: This syllabus may represent a past (2) --- HW: Summary (2) due Mon. 9:00 a.m.; Prep. for mini-presentation (2) #12;Note: This syllabus

  2. Note: This syllabus may represent a past offering of this course and future course offerings may differ.

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    Note: This syllabus may represent a past offering of this course and future course offerings may Week 3 A A. Lecture: Constructive criticism & evaluation rubric #12;Note: This syllabus may represent sources #12;Note: This syllabus may represent a past offering of this course and future course offerings

  3. FCS Guidance Note 33: Forest operations and red squirrels: November 2006 Forest operations and red squirrels in Scottish forests

    E-Print Network [OSTI]

    impacts on red squirrels. The survey, forest design and operational planning practices set outFCS Guidance Note 33: Forest operations and red squirrels: November 2006 1 Forest operations Guidance Note: Forest operations and wildlife in Scottish forests. This note sets out further advice on how

  4. A Note on Quantum Security for Post-Quantum Cryptography

    E-Print Network [OSTI]

    Fang Song

    2014-09-08T23:59:59.000Z

    Shor's quantum factoring algorithm and a few other efficient quantum algorithms break many classical crypto-systems. In response, people proposed post-quantum cryptography based on computational problems that are believed hard even for quantum computers. However, security of these schemes against \\emph{quantum} attacks is elusive. This is because existing security analysis (almost) only deals with classical attackers and arguing security in the presence of quantum adversaries is challenging due to unique quantum features such as no-cloning. This work proposes a general framework to study which classical security proofs can be restored in the quantum setting. Basically, we split a security proof into (a sequence of) classical security reductions, and investigate what security reductions are "quantum-friendly". We characterize sufficient conditions such that a classical reduction can be "lifted" to the quantum setting. We then apply our lifting theorems to post-quantum signature schemes. We are able to show that the classical generic construction of hash-tree based signatures from one-way functions and and a more efficient variant proposed in~\\cite{BDH11} carry over to the quantum setting. Namely, assuming existence of (classical) one-way functions that are resistant to efficient quantum inversion algorithms, there exists a quantum-secure signature scheme. We note that the scheme in~\\cite{BDH11} is a promising (post-quantum) candidate to be implemented in practice and our result further justifies it. Finally we demonstrate the generality of our framework by showing that several existing works (Full-Domain hash in the quantum random-oracle model~\\cite{Zha12ibe} and the simple hybrid arguments framework in~\\cite{HSS11}) can be reformulated under our unified framework.

  5. Notes on several phenomenological laws of quantum gravity

    E-Print Network [OSTI]

    Jean-Philippe Bruneton

    2013-08-19T23:59:59.000Z

    Phenomenological approaches to quantum gravity try to infer model-independent laws by analyzing thought experiments and combining both quantum, relativistic, and gravitational ingredients. We first review these ingredients -three basic inequalities- and discuss their relationships with the nature of fundamental constants. In particular, we argue for a covariant mass bound conjecture: in a spacetime free of horizon, the mass inside a surface $A$ cannot exceed $16 \\pi G^2 m^2inequalities and find/review the following: (1) Any system must have a size greater than the Planck length, in the sense that there exists a minimal area (2) We comment on the Minimal Length Scenarios and the fate of Lorentz symmetry near the Planck scale (3) Quanta with transplanckian frequencies are allowed in a large enough boxes (4) There exists a mass-dependent maximal acceleration given by $m c^3/\\hbar$ if $mm_p$ (5) There exists a mass dependent maximal force and power (6) There exists a maximal energy density and pressure (7) Physical systems must obey the Holographic Principle (8) Holographic bounds can only be saturated by systems with $m>m_p$; systems lying on the ``Compton line'' $l \\sim 1/m$ are fundamental objects without substructures (9) We speculate on a new bound from above for the action. In passing, we note that the maximal acceleration is of the order of Milgrom's acceleration $a_0$ for ultra-light particles ($m\\sim H_0)$ that could be associated to the Dark Energy fluid. This suggests designing toy-models in which modified gravity in galaxies is driven by the DE field, via the maximal acceleration principle.

  6. USER’S GUIDE of TOUGH2-EGS: A Coupled Geomechanical and Reactive Geochemical Simulator for Fluid and Heat Flow in Enhanced Geothermal Systems Version 1.0

    SciTech Connect (OSTI)

    Fakcharoenphol, Perapon [Colorado School of Mines; Xiong, Yi [Colorado School of Mines; Hu, Litang; Winterfeld, Philip H. [Colorado School of Mines; Xu, Tianfu [Lawrence Berkeley National Laboratory; Wu, Yu-Shu [Colorado School of Mines

    2013-05-01T23:59:59.000Z

    TOUGH2-EGS is a numerical simulation program coupling geomechanics and chemical reactions for fluid and heat flows in porous media and fractured reservoirs of enhanced geothermal systems. The simulator includes the fully-coupled geomechanical (THM) module, the fully-coupled geochemical (THC) module, and the sequentially coupled reactive geochemistry (THMC) module. The fully-coupled flow-geomechanics model is developed from the linear elastic theory for the thermo-poro-elastic system and is formulated with the mean normal stress as well as pore pressure and temperature. The chemical reaction is sequentially coupled after solution of flow equations, which provides the flow velocity and phase saturation for the solute transport calculation at each time step. In addition, reservoir rock properties, such as porosity and permeability, are subjected to change due to rock deformation and chemical reactions. The relationships between rock properties and geomechanical and chemical effects from poro-elasticity theories and empirical correlations are incorporated into the simulator. This report provides the user with detailed information on both mathematical models and instructions for using TOUGH2-EGS for THM, THC or THMC simulations. The mathematical models include the fluid and heat flow equations, geomechanical equation, reactive geochemistry equations, and discretization methods. Although TOUGH2-EGS has the capability for simulating fluid and heat flows coupled with both geomechanical and chemical effects, it is up to the users to select the specific coupling process, such as THM, THC, or THMC in a simulation. There are several example problems illustrating the applications of this program. These example problems are described in details and their input data are presented. The results demonstrate that this program can be used for field-scale geothermal reservoir simulation with fluid and heat flow, geomechanical effect, and chemical reaction in porous and fractured media.

  7. Environmental effects of dredging. Implementation approach for thalweg disposal of dredged material. Technical notes

    SciTech Connect (OSTI)

    Olin, T.J.; Miller, A.C.; Palermo, M.R.

    1993-05-01T23:59:59.000Z

    This technical note introduces the concept of thalweg disposal and associated considerations for implementation, including disposal site selection, environmental and regulatory considerations, and suitable dredging methods and equipment. Monitoring procedures are also outlined.

  8. Automated dredging and disposal alternatives management system (ADDAMS). Environmental effects of dredging. Technical note

    SciTech Connect (OSTI)

    NONE

    1995-01-01T23:59:59.000Z

    This technical note describes the current capabilities and availability of the Automated Dredging and Disposal Alternatives Management System (ADDAMS). The technical note replaces the earlier Technical Note EEDP-06-12, which should be discarded. Planning, design, and management of dredging and dredged material disposal projects often require complex or tedious calculations or involve complex decision-making criteria. In addition, the evaluations often must be done for several disposal alternatives or disposal sites. ADDAMS is a personal computer (PC)-based system developed to assist in making such evaluations in a timely manner. ADDAMS contains a collection of computer programs (applications) designed to assist in managing dredging projects. This technical note describes the system, currently available applications, mechanisms for acquiring and running the system, and provisions for revision and expansion.

  9. A note on the completion of partial latin Nicholas J. Cavenagh, Diane Donovan

    E-Print Network [OSTI]

    van Rees, John

    A note on the completion of partial latin squares Nicholas J. Cavenagh, Diane Donovan Centre]. Recently, Bryant and Rodger [6] established necessary and sufficient conditions for completing an arbitary

  10. Shared Experiences and Collective Production: Note Card Confessions on YouTube

    E-Print Network [OSTI]

    Fowlds, Kelli

    2014-12-03T23:59:59.000Z

    New media are continuously changing the way in which youth communicate. Social media and online production, especially, are rapidly evolving. This research analyzes note card confession videos found on the popular video site, YouTube. It looks...

  11. Comparing SNePS with Topbraid/Pellet SNeRG Technical Note 42

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    Shapiro, Stuart C.

    Comparing SNePS with Topbraid/Pellet SNeRG Technical Note 42 Michael Kandefer and Stuart C. Shapiro Editing Tool (Top Quadrant Inc. 2007) using the Pellet OWL DL Reasoner (Clark & Parsia, LLC 2007

  12. A Note on the Use of Sum in the Logic of Proofs Roman Kuznets

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    Jäger, Gerhard

    A Note on the Use of Sum in the Logic of Proofs Roman Kuznets Institut f¨ur Informatik und angewandte Mathematik Universit¨at Bern Neubr¨uckstrasse 10, 3012 Bern, Switzerland kuznets

  13. Passport Scanning: User Notes Version 0.3 A. Entering the Passport Number for the Student

    E-Print Network [OSTI]

    Sussex, University of

    Passport Scanning: User Notes ­ Version 0.3 A. Entering the Passport being these details are being collected at the point of scanning the student Enter passport number here Click Save to commit record #12;B. Scanning

  14. Learning in Complex Systems Spring Semester, 2011 Lecture Notes Prof. Nahum Shimkin

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    Shimkin, Nahum

    routing ­ robot juggling Types of learning: ­ Supervised ­ Unsupervised ­ Reinforcement Learning 1 #12Learning in Complex Systems Spring Semester, 2011 Lecture Notes Prof. Nahum Shimkin 1 Introduction problems. Reinforcement Learning ­ what is it? ­ Learning from experience. ­ Learning to act optimally

  15. ** ALL CHARGES ARE PER SEMESTER UNLESS OTHERWISE NOTED** Dental Hygiene FT Dental Hygiene PT

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    Weber, David J.

    ** ALL CHARGES ARE PER SEMESTER UNLESS OTHERWISE NOTED** Dental Hygiene FT Dental Hygiene PT (Less Lease 266.00 266.00 SADHA Membership Fee - Fall 65.00 65.00 Dental Hygiene Pins - Fall - 2nd Year 70

  16. ** ALL CHARGES ARE PER SEMESTER UNLESS OTHERWISE NOTED** Dental Hygiene FT Dental Hygiene PT

    E-Print Network [OSTI]

    Weber, David J.

    ** ALL CHARGES ARE PER SEMESTER UNLESS OTHERWISE NOTED** Dental Hygiene FT Dental Hygiene PT (Less Fee - Fall 65.00 65.00 Dental Hygiene Pins - Fall - 2nd Year 70.00 70.00 Disability Insurance: 10

  17. Exploiting KeyNote in WebCom: Architecture Neutral Glue for Trust Management

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    Foley, Simon

    Exploiting KeyNote in WebCom: Architecture Neutral Glue for Trust Management Simon N. Foley, Thomas B. Quillinan, John P. Morrison, David A. Power, James J. Kennedy. Department of Computer Science

  18. HISTORICAL NOTES CURRENT SCIENCE, VOL. 106, NO. 5, 10 MARCH 2014760

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    Joshi, Yogesh Moreshwar

    HISTORICAL NOTES CURRENT SCIENCE, VOL. 106, NO. 5, 10 MARCH 2014760 Brajendra Nath Seal of this forgotten genius ­ a scholar who elevated and exposed brilliantly the cul- tural heritage of India, its

  19. Course Notes: United States Particle Accelerator School Beam Physics with Intense Space-Charge

    E-Print Network [OSTI]

    Barnard, J.J.

    2008-01-01T23:59:59.000Z

    of. the 1991 Particle Accelerator Conference (Ref. [3]), p.of the l J J3 Particle Accelerator Conference, Washington,Beam Physics, US Particle Accelerator School Notes, http://

  20. A Note on the Zero-Free Regions of the Zeta Function

    E-Print Network [OSTI]

    N. A. Carella

    2012-10-12T23:59:59.000Z

    This short note contributes a new zero-free region of the zeta function. This zero-free region has the form {s : Re(s) > a}, where a = 21/40.