National Library of Energy BETA

Sample records for mv millivolt napl

  1. NAPL Calculator - Energy Innovation Portal

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMissionStressMoveMuncrief Ames019NAPL Calculator

  2. Artists, Patrons, and Trust in Seventeenth-Century Naples: The Case of the Certosa di San Martino

    E-Print Network [OSTI]

    Napoli, J. Nicholas

    2012-01-01

    in Naples? ” In Good Government in Spanish Naples, edited byNaples? ,” in Good Government in Spanish Naples, edited bySpanish rule in Naples, and the opportunity for a changed government

  3. Phase Stability of Multicomponent NAPLs Containing PAHs

    E-Print Network [OSTI]

    Peters, Catherine A.

    of a contaminant is dependent on its phase state. For solid phase contaminants in contact with water, the maximum aromatic hydrocarbons (PAHs), most of which are solids in pure form at ambient temperatures. Because any of contaminants such as coal tars. NAPL/aqueous phase equilibrium studies were conducted to demonstrate

  4. From Propaganda to Science: Looking at the World of Academies in Early Seventeenth-century Naples

    E-Print Network [OSTI]

    Gianfrancesco, Lorenza

    2012-01-01

    Reale per Costantino Vitale, 1599. Imperiale, Giovanni.Elegia (Naples: Carlino & Vitale, 1608). For Sarrocchi’sdate in luce (Naples: Vitale, 1599). See Rimas De Lupercio I

  5. Secondary imbibition in NAPL-invaded mixed-wet sediments

    E-Print Network [OSTI]

    Patzek, Tadeusz W.

    Secondary imbibition in NAPL-invaded mixed-wet sediments Ahmed Al-Futaisia,b , Tad W. Patzekb to study the spontaneous and forced secondary imbibition of a NAPL-invaded sediment, as in the displacement-wet sediment, i.e., the receding contact angles are very small. However, depending on the surface mineralogy

  6. Naples, Maine: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI Ventures Ltd Jump to: navigation,Naples, Maine: Energy Resources Jump to:

  7. Ribbon NAPL sampler. Innovative Technology Summary Report

    SciTech Connect (OSTI)

    None

    2000-04-01

    The FLUTE Hydrophobic Flexible Membrane is a sampling device that provides detailed delineation of Dense Nonaqueous Phase Liquids (DNAPL) in a borehole. It is deployed via a reusable nylon liner, with a hydrophobic ribbon impregnated with dye, that when converted into a borehole creates a tight contact with the walls of the borehole. When deployed, the ribbon will absorb the DNAPL that is in contact with the membrane causing a color change in the dye. Upon removal, the membrane is turned inside out and the ribbon is retrieved into the membrane. The ribbon is then removed and examined. The presence of DNAPL is indicated by brilliant red marks on the hydrophobic ribbon. Sections of ribbon can also be sent for laboratory analysis to identify the specific NAPL compounds that are present.

  8. Pore-scale analysis of solubilization and mobilization of trapped NAPL blobs in porous media 

    E-Print Network [OSTI]

    Yoon, Sun Hee

    2009-06-02

    NAPL (non-aqueous phase liquid) blob mobilization and solubilization models were developed to predict residual NAPL fate and describe flow dynamics of various displacing phases (water and surfactant foam). The models were ...

  9. A Bayesian approach to integrate temporal data into probabilistic risk analysis of monitored NAPL remediation

    E-Print Network [OSTI]

    Bolster, Diogo

    A Bayesian approach to integrate temporal data into probabilistic risk analysis of monitored NAPL quantifying risks associated with the failure of such efforts. We conduct a probabilistic risk analysis (PRA

  10. Natural geological responses to anthropogenic alterations of the naples bay estuarine system 

    E-Print Network [OSTI]

    Fielder, Bryan Robert

    2009-05-15

    .1 Regional Geologic Setting....................................................................... 4 2.2 Environmental Setting ............................................................................. 5 2.3 Historical Anthropogenic Alterations... ............................................................... 19 4.2.2 Southern Naples Bay ............................................................... 20 4.2.3 Dollar Bay ............................................................................... 22 5. DISCUSSION...

  11. Smouldering Combustion of Organic Liquids in Porous Media for Remediating NAPL-contaminated Soils 

    E-Print Network [OSTI]

    Pironi, Paolo

    2010-01-01

    This research investigated the potential of smouldering combustion to be employed as a remediation approach for soil contaminated by non-aqueous phase liquids (NAPLs). Small-scale (~15 cm), proof-of-concept experiments ...

  12. Numerical simulations of radon as an in situ partitioning tracer for quantifying NAPL

    E-Print Network [OSTI]

    Semprini, Lewis

    Numerical simulations of radon as an in situ partitioning tracer for quantifying NAPL contamination­pull partitioning tracer tests using radon-222 to quantify non- aqueous phase liquid contamination. J. Contam. Hydrol. 58, 129­146] of push­pull tests using radon as a naturally occurring partitioning tracer

  13. FEMP Seeking Public Comment on Draft M&V Guidelines

    Broader source: Energy.gov [DOE]

    FEMP is continuing its request for public comments on the Draft M&V Guidelines: Measurement and Verification for Performance-Based Contracts (Version 4.0).

  14. A Review of "Becoming Neapolitan. Citizen Culture in Baroque Naples" by John A. Marino 

    E-Print Network [OSTI]

    Litchfield, R. Burr

    2011-01-01

    the procession. Gradually the ?popular? elements were muted and the vitality of the feast of S. Giovanni dimmed. The lesson for ?becoming Neapolitan? from this interesting book is that Neapolitan society, as seen through its festivities, was becom- ing more... participa- tion.? This, with the final enfranchisement of the middle classes in the nineteenth century, was the lasting legacy of Baroque Naples: its plebeians were excluded. Catherine Gimelli Martin. Milton Among the Puritans: The Case for Historical...

  15. M&V Guidelines: Measurement and Verification for Federal Energy...

    Energy Savers [EERE]

    and Verification Protocol (IPMVP) Concepts and Options for Determining Energy and Water Savings Volume 1, April 2007. M&V Guidelines 3.0 FEMP ii Contents Section Page Section...

  16. State and Local Energy Savings Performance Contracting: Savings Measurement and Verification (M&V)

    Broader source: Energy.gov [DOE]

    State and Local Energy Savings Performance Contracting: Savings Measurement and Verification (M&V) Webinar.

  17. Simplified VO M&V Protocol Simplified Voltage Optimization (VO)

    E-Print Network [OSTI]

    modeling is mentioned, it refers to using industry accepted distribution system power flow simulation tools the verification process. · Calculations of all system improvements (reduction of line losses and no-load lossesSimplified VO M&V Protocol 1 Simplified Voltage Optimization (VO) Measurement and Verification

  18. COMMISSIONING AND OPERATION OF THE CEBAF 100 MV CRYOMODULES

    SciTech Connect (OSTI)

    Allison, Trent; Davis, G; Drury, Michael; Harwood, Leigh; Hogan, John; Kimber, Andrew; Lahti, George; Merz, William; Nelson, Richard; Plawski, Tomasz; Seidman, David; Spata, Michael; Wilson, Michael

    2012-07-01

    The Continuous Electron Beam Accelerator Facility (CEBAF) energy upgrade from 6 GeV to 12 GeV includes the installation of ten new 100 MV cryomodules and RF systems. The superconducting RF cavities are designed to operate CW at a maximum accelerating gradient of 19.3 MV/m. To support the higher gradients and higher Q{sub L} ({approx} 3 x 10{sup 7}), a new RF system has been developed and is being installed to power and control the cavities. The RF system employs digital control and 13 kW klystrons. Recently, two of these cryomodules and associated RF hardware and software have been installed and commissioned in the CEBAF accelerator. Electrons at linac currents up to 540 {micro}A have been successfully accelerated and used for nuclear physics experiments. This paper reports on the commissioning and operation of the RF system and cryomodules.

  19. Measurement and Verification (M&V) Guidelines for Federal Energy Projects, V3.0

    SciTech Connect (OSTI)

    2008-06-11

    FEMP's standard procedures and guidelines for M&V for federal energy managers, procurement officials, and energy service providers.

  20. M&V Guidelines: Measurement and Verification for Federal Energy Projects

    Broader source: Energy.gov [DOE]

    FEMP's standard procedures and guidelines for M&V for federal energy managers, procurement officials, and energy service providers.

  1. U. S. Army Measurement and Verification (M&V) Costing Toolkit 

    E-Print Network [OSTI]

    Haberl, J. S.; Powell, T.; Carlson, K. A.; Im, P.; Turner, W. D.

    2003-01-01

    This is the 2003 final report for the U.S. Army Monitoring and Verification (M&V) costs project. The purpose of this project is to develop a M&V Costing Toolkit to be used by the government or third party planners to design ...

  2. GREENGATE AND FABREEKA BELT PERFORMANCE IN A 3.5 MV TANDEM

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    1413 GREENGATE AND FABREEKA BELT PERFORMANCE IN A 3.5 MV TANDEM F. CRISTOFORI Istituto di Fisica of belts used in the 3.5 MV Tandem of C.I.S.E. REVUE DE PHYSIQUE APPLIQUÃ?E TOME 12, OCTOBRE 1977, PAGE belts. Unfortunately there is little information regarding the performance of these belts

  3. Low-Z linac targets for low-MV gold nanoparticle radiation therapy

    SciTech Connect (OSTI)

    Tsiamas, P.; Mishra, P.; Berbeco, R. I.; Marcus, K.; Zygmanski, P. E-mail: Erno-Sajo@uml.edu; Cifter, F.; Sajo, E. E-mail: Erno-Sajo@uml.edu

    2014-02-15

    Purpose: To investigate the potential of low-Z/low-MV (low-Z) linac targets for gold nanoparticle radiotherapy (GNPT) and to determine the microscopic dose enhancement ratio (DER) due to GNP for the alternative beamlines. In addition, to evaluate the degradation of dose enhancement arising from the increased attenuation of x rays and larger skin dose in water for the low-MV beams compared to the standard linac. Methods: Monte Carlo simulations were used to compute dose and DER for various flattening-filter-free beams (2.5, 4, 6.5 MV). Target materials were beryllium, diamond, and tungsten-copper high-Z target. Target thicknesses were selected based on 20%, 60%, 70%, and 80% of the continuous slowing down approximation electron ranges for a given target material and energy. Evaluation of the microscopic DER was carried out for 100 nm GNP including the degradation factors due to beam attenuation. Results: The greatest increase in DER compared to the standard 6.5 MV linac was for a 2.5 MV Be-target (factor of ?2). Skin dose ranged from ?10% (Be, 6.5 MV-80%) to ?85% (Be, 2.5 MV-20%) depending on the target case. Attenuation of 2.5 MV beams at 22 cm was higher by ?75% compared with the standard beam. Taking into account the attenuation at 22 cm depth, the effective dose enhancement was up to ?60% above the DER of the high-Z target. For these cases the effective DER ranged between ?1.6 and 6 compared with the standard linac. Conclusions: Low-Z (2.5 MV) GNPT is possible even after accounting for greater beam attenuation for deep-seated tumors (22 cm) and the increased skin dose. Further, it can lead to significant sparing of normal tissue while simultaneously escalating the dose in the tumor cells.

  4. Stipulations in Performance Contracting M&V: the Good, the Bad, and the Ugly 

    E-Print Network [OSTI]

    Stetz, M.; Webster, L.; Bradford, J.

    2001-01-01

    Performance contractors (PC) often use stipulations for part or all of their measurement & verification (M&V) efforts. The value of stipulations are low cost and easy implementation (good). Disadvantages include uncertain savings estimates (bad...

  5. Draft M&V Guidelines: Measurement and Verification for Federal Energy Projects (Version 4.0)

    Broader source: Energy.gov [DOE]

    Document describes the Federal Energy Management Program's (FEMP) standard procedures and guidelines for measurement and verification (M&V) for federal, state, and local government energy managers and procurement officials and utility and energy service providers.

  6. M&V Guidelines: Measurement and Verification for Federal Energy Projects (Version 3.0)

    Broader source: Energy.gov [DOE]

    Document describes the Federal Energy Management Program's (FEMP) standard procedures and guidelines for measurement and verification (M&V) for federal energy managers, procurement officials, and energy service providers.

  7. Measurement and verifiction (M&V) guidelines for federal energy projects

    SciTech Connect (OSTI)

    1996-02-01

    This document provides procedures and guidelines for quantifying the savings resulting from the installation of Energy Conservation Measures (ECMs) implemented with federal Energy Savings Performance Contracts (ESPCs) or task orders implemented under a federal IDIQ contract. The first section of this document provides an overview of measurement and verification (M&V) options and procedures. The second, third, and fourth sections provide standardized measurement and verification (M&V) methods for common types of ECMs.

  8. Generation of virtual monochromatic CBCT from dual kV/MV beam projections

    SciTech Connect (OSTI)

    Li, Hao [Medical Physics Graduate Program, Duke University, Durham, North Carolina 27710 and Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina 27710 (United States)] [Medical Physics Graduate Program, Duke University, Durham, North Carolina 27710 and Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina 27710 (United States); Liu, Bo [Image Processing Center, Beihang University, Beijing 100191 (China)] [Image Processing Center, Beihang University, Beijing 100191 (China); Yin, Fang-Fang, E-mail: fangfang.yin@duke.edu [Medical Physics Graduate Program,Duke University, Durham, North Carolina 27710 and Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina 27710 (United States)] [Medical Physics Graduate Program,Duke University, Durham, North Carolina 27710 and Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina 27710 (United States)

    2013-12-15

    Purpose: To develop a novel on-board imaging technique which allows generation of virtual monochromatic (VM) cone-beam CT (CBCT) with a selected energy from combined kilovoltage (kV)/megavoltage (MV) beam projections. Methods: With the current orthogonal kV/MV imaging hardware equipped in modern linear accelerators, both MV projections (from gantry angle of 0°–100°) and kV projections (90°–200°) were acquired as gantry rotated a total of 110°. A selected range of overlap projections between 90° to 100° were then decomposed into two material projections using experimentally determined parameters from orthogonally stacked aluminum and acrylic step-wedges. Given attenuation coefficients of aluminum and acrylic at a predetermined energy, one set of VM projections could be synthesized from two corresponding sets of decomposed projections. Two linear functions were generated using projection information at overlap angles to convert kV and MV projections at nonoverlap angles to approximate VM projections for CBCT reconstruction. The contrast-to-noise ratios (CNRs) were calculated for different inserts in VM CBCTs of a CatPhan phantom with various selected energies and compared with those in kV and MV CBCTs. The effect of overlap projection number on CNR was evaluated. Additionally, the effect of beam orientation was studied by scanning the CatPhan sandwiched with two 5 cm solid-water phantoms on both lateral sides and an electronic density phantom with two metal bolt inserts. Results: Proper selection of VM energy [30 and 40 keV for low-density polyethylene (LDPE), polymethylpentene, 2 MeV for Delrin] provided comparable or even better CNR results as compared with kV or MV CBCT. An increased number of overlap kV and MV projection demonstrated only marginal improvements of CNR for different inserts (with the exception of LDPE) and therefore one projection overlap was found to be sufficient for the CatPhan study. It was also evident that the optimal CBCT image quality was achieved when MV beams penetrated through the heavy attenuation direction of the object. Conclusions: A novel technique was developed to generate VM CBCTs from kV/MV projections. This technique has the potential to improve CNR at selected VM energies and to suppress artifacts at appropriate beam orientations.

  9. Development of a Measurement and Verification (M&V) Costing Toolkit 

    E-Print Network [OSTI]

    Haberl, J. S.; Lewis, T.; Im, P.; Carlson, K. A.; Underwood, D.

    2004-01-01

    This paper discusses the development of a M&V Costing Toolkit that has been developed to assist the U.S. Army with the standardization of costing procedures for measuring and verifying energy savings from Energy Service Performance Contracts (ESPC...

  10. An integrated 6 MV linear accelerator model from electron gun to dose in a water tank

    SciTech Connect (OSTI)

    St Aubin, J.; Steciw, S.; Kirkby, C.; Fallone, B. G. [Department of Physics, University of Alberta, 11322-89 Avenue, Edmonton, Alberta T6G 2G7 (Canada) and Department of Oncology, Medical Physics Division, University of Alberta, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada); Department of Medical Physics, Cross Cancer Institute, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada) and Department of Oncology, Medical Physics Division, University of Alberta, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada); Department of Medical Physics, Cross Cancer Institute, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada); Department of Physics, University of Alberta, 11322-89 Avenue, Edmonton, Alberta T6G 2G7 (Canada); Department of Medical Physics, Cross Cancer Institute, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada) and Department of Oncology, Medical Physics Division, University of Alberta, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada)

    2010-05-15

    Purpose: The details of a full simulation of an inline side-coupled 6 MV linear accelerator (linac) from the electron gun to the target are presented. Commissioning of the above simulation was performed by using the derived electron phase space at the target as an input into Monte Carlo studies of dose distributions within a water tank and matching the simulation results to measurement data. This work is motivated by linac-MR studies, where a validated full linac simulation is first required in order to perform future studies on linac performance in the presence of an external magnetic field. Methods: An electron gun was initially designed and optimized with a 2D finite difference program using Child's law. The electron gun simulation served as an input to a 6 MV linac waveguide simulation, which consisted of a 3D finite element radio-frequency field solution within the waveguide and electron trajectories determined from particle dynamics modeling. The electron gun design was constrained to match the cathode potential and electron gun current of a Varian 600C, while the linac waveguide was optimized to match the measured target current. Commissioning of the full simulation was performed by matching the simulated Monte Carlo dose distributions in a water tank to measured distributions. Results: The full linac simulation matched all the electrical measurements taken from a Varian 600C and the commissioning process lead to excellent agreements in the dose profile measurements. Greater than 99% of all points met a 1%/1mm acceptance criterion for all field sizes analyzed, with the exception of the largest 40x40 cm{sup 2} field for which 98% of all points met the 1%/1mm acceptance criterion and the depth dose curves matched measurement to within 1% deeper than 1.5 cm depth. The optimized energy and spatial intensity distributions, as given by the commissioning process, were determined to be non-Gaussian in form for the inline side-coupled 6 MV linac simulated. Conclusions: An integrated simulation of an inline side-coupled 6 MV linac has been completed and benchmarked matching all electrical and dosimetric measurements to high accuracy. The results showed non-Gaussian spatial intensity and energy distributions for the linac modeled.

  11. High-Voltage Terminal Test of Test Stand for 1-MV Electrostatic Accelerator

    E-Print Network [OSTI]

    Park, Sae-Hoon

    2015-01-01

    The Korea Multipurpose Accelerator Complex (KOMAC) has been developing a 300-kV test stand for a 1-MV electrostatic accelerator ion source. The ion source and accelerating tube will be installed in a high-pressure vessel. The ion source in the high-pressure vessel is required to have a high reliability. The test stand has been proposed and developed to confirm the stable operating conditions of the ion source. The ion source will be tested at the test stand to verify the long-time operating conditions. The test stand comprises a 300-kV high-voltage terminal, a battery for the ion-source power, a 60-Hz inverter, 200-MHz RF power, a 5-kV extraction power supply, a 300-kV accelerating tube, and a vacuum system. The results of the 300-kV high-voltage terminal tests are presented in this paper.

  12. REX, a 5-MV pulsed-power source for driving high-brightness electron beam diodes

    SciTech Connect (OSTI)

    Carlson, R.L.; Kauppila, T.J.; Ridlon, R.N.

    1991-01-01

    The Relativistic Electron-beam Experiment, or REX accelerator, is a pulsed-power source capable of driving a 100-ohm load at 5 MV, 50 kA, 45 ns (FWHM) with less than a 10-ns rise and 15-ns fall time. This paper describes the pulsed-power modifications, modelling, and extensive measurements on REX to allow it to drive high impedance (100s of ohms) diode loads with a shaped voltage pulse. A major component of REX is the 1.83-m-diam {times} 25.4-cm-thick Lucite insulator with embedded grading rings that separates the output oil transmission line from the vacuum vessel that contains the re-entrant anode and cathode assemblies. A radially tailored, liquid-based resistor provides a stiff voltage source that is insensitive to small variations of the diode current and, in addition, optimizes the electric field stress across the vacuum side of the insulator. The high-current operation of REX employs both multichannel peaking and point-plane diverter switches. This mode reduces the prepulse to less than 2 kV and the postpulse to less than 5% of the energy delivered to the load. Pulse shaping for the present diode load is done through two L-C transmission line filters and a tapered, glycol-based line adjacent to the water PFL and output switch. This has allowed REX to drive a diode producing a 4-MV, 4.5-kA, 55-ns flat-top electron beam with a normalized Lapostolle emittance of 0.96 mm-rad corresponding to a beam brightness in excess of 4.4 {times} 10{sup 8} A/m{sup 2} {minus}rad{sup 2}. 6 refs., 13 figs.

  13. From the Bay of Naples to the River Don: the Campanian Ignimbrite eruption and the Middle to Upper Paleolithic transition in Eastern Europe

    E-Print Network [OSTI]

    Holliday, Vance T.

    Paleolithic transition in Eastern Europe John F. Hoffecker a,*, Vance T. Holliday b , M.V. Anikovich c , A Paleolithic transition Early Upper Paleolithic Eastern Europe Kostenki-Borshchevo Geochronology Climate across Southeastern and Eastern Europe. At the Kostenki-Borshchevo open-air sites on the Middle Don River

  14. BID NO: SKA SSLE 009/2011 SUPPLY, DELIVERY AND INSTALLATION OF ROTARY UPS, MV INDOOR SWITCHGEAR AND

    E-Print Network [OSTI]

    Jarrett, Thomas H.

    SWITCHGEAR AND POWER TRANSFORMERS AT THE MeerKAT SITE NEAR CARNARVON, NORTHERN CAPE TENDER NOTICE and Installation of Rotary UPS, MV Indoor Switchgear and Power Transformers at the MeerKAT Site near Carnarvon, alternator and kinetic module on shared base frame) diesel rotary UPSs, 22 kV and 33 kV indoor switchgear

  15. Transformation E.R. Bachmann & P.L. McDowell MV 4202 Page 1 of3

    E-Print Network [OSTI]

    McDowell, Perry

    Transformation E.R. Bachmann & P.L. McDowell MV 4202 Page 1 of3 5. Transformations Overview window coordinates Modeling Transformations Projection Transformation Perspective Division Viewport Transformation Object Coordinates x, y, z, w Modelview Matrix Projection Matrix Eye Coordinates Clip Coordinates

  16. Theoretical investigation of the design and performance of a dual energy (kV and MV) radiotherapy imager

    SciTech Connect (OSTI)

    Liu, Langechuan; Antonuk, Larry E. El-Mohri, Youcef; Zhao, Qihua; Jiang, Hao

    2015-04-15

    Purpose: In modern radiotherapy treatment rooms, megavoltage (MV) portal imaging and kilovoltage (kV) cone-beam CT (CBCT) imaging are performed using various active matrix flat-panel imager (AMFPI) designs. To expand the clinical utility of MV and kV imaging, MV AMFPIs incorporating thick, segmented scintillators and, separately, kV imaging using a beam’s eye view geometry have been investigated by a number of groups. Motivated by these previous studies, it is of interest to explore to what extent it is possible to preserve the benefits of kV and MV imaging using a single AMFPI design, given the considerably different x ray energy spectra used for kV and MV imaging. In this paper, considerations for the design of such a dual energy imager are explored through examination of the performance of a variety of hypothetical AMFPIs based on x ray converters employing segmented scintillators. Methods: Contrast, noise, and contrast-to-noise ratio performances were characterized through simulation modeling of CBCT imaging, while modulation transfer function, Swank factor, and signal performance were characterized through simulation modeling of planar imaging. The simulations were based on a previously reported hybrid modeling technique (accounting for both radiation and optical effects), augmented through modeling of electronic additive noise. All designs employed BGO scintillator material with thicknesses ranging from 0.25 to 4 cm and element-to-element pitches ranging from 0.508 to 1.016 mm. A series of studies were performed under both kV and MV imaging conditions to determine the most advantageous imager configuration (involving front or rear x ray illumination and use of a mirror or black reflector), converter design (pitch and thickness), and operating mode (pitch-binning combination). Results: Under the assumptions of the present study, the most advantageous imager design was found to employ rear illumination of the converter in combination with a black reflector, incorporate a BGO converter with a 0.508 mm pitch and a 2 cm thickness, and operate at full resolution for kV imaging and 2 × 2 binning mode for MV imaging. Such a dual energy imager design should provide soft tissue visualization at low, clinically practical doses under MV conditions, while helping to preserve the high spatial resolution and high contrast offered by kV imaging. Conclusions: The authors’ theoretical investigation suggests that a dual energy imager capable of largely preserving the desirable characteristics of both kV and MV imaging is feasible. Such an imager, when coupled to a dual energy radiation source, could facilitate simplification of current treatment room imaging systems (as well as their associated quality assurance), and facilitate more precise integration of kV and MV imaging information by virtue of reduced geometric uncertainties.

  17. Investigations of shot reproducibility for the SMP diode at 4.5 MV.

    SciTech Connect (OSTI)

    Bennett, Nichelle [National Security Technologies, LLC, Las Vegas, NV] [National Security Technologies, LLC, Las Vegas, NV; Crain, Marlon D. [National Security Technologies, LLC, Las Vegas, NV] [National Security Technologies, LLC, Las Vegas, NV; Droemer, Darryl W. [National Security Technologies, LLC, Las Vegas, NV] [National Security Technologies, LLC, Las Vegas, NV; Gignac, Raymond Edward [National Security Technologies, LLC, Las Vegas, NV] [National Security Technologies, LLC, Las Vegas, NV; Lare, Gregory A. [National Security Technologies, LLC, Las Vegas, NV] [National Security Technologies, LLC, Las Vegas, NV; Molina, Isidro [National Security Technologies, LLC, Las Vegas, NV] [National Security Technologies, LLC, Las Vegas, NV; Obregon, Rafael [National Security Technologies, LLC, Las Vegas, NV] [National Security Technologies, LLC, Las Vegas, NV; Smith, Chase C. [National Security Technologies, LLC, Las Vegas, NV] [National Security Technologies, LLC, Las Vegas, NV; Wilkins, Frank Lee [National Security Technologies, LLC, Las Vegas, NV] [National Security Technologies, LLC, Las Vegas, NV; Welch, Dale Robert [Voss Scienti c, LLC, Albuquerque, NM] [Voss Scienti c, LLC, Albuquerque, NM; Cordova, Steve Ray; Gallegos, M.; Johnston, Mark D.; Kiefer, Mark Linden; Leckbee, Joshua J.; Nielsen, Daniel Scott; Oliver, Bryan Velten; Renk, Timothy Jerome; Romero, Tobias; Webb, Timothy Jay; Ziska, Derek Raymond

    2013-11-01

    In experiments conducted on the RITS-6 accelerator, the SMP diode exhibits sig- ni cant shot-to-shot variability. Speci cally, for identical hardware operated at the same voltage, some shots exhibit a catastrophic drop in diode impedance. A study is underway to identify sources of shot-to-shot variations which correlate with diode impedance collapse. To remove knob emission as a source, only data from a shot series conducted with a 4.5-MV peak voltage are considered. The scope of this report is limited to sources of variability which occur away from the diode, such as power ow emission and trajectory changes, variations in pulsed power, dustbin and transmission line alignment, and di erent knob shapes. We nd no changes in the transmission line hardware, alignment, or hardware preparation methods which correlate with impedance collapse. However, in classifying good versus poor shots, we nd that there is not a continuous spectrum of diode impedance behavior but that the good and poor shots can be grouped into two distinct impedance pro les. This result forms the basis of a follow-on study focusing on the variability resulting from diode physics. 3

  18. Sample M&V Plan from the Texas Workshop: Preparing and Evaluating Measurement and Verification Plans for Energy Performance Contracts in Texas 

    E-Print Network [OSTI]

    Haberl, J. S.

    1999-01-01

    This document contains a sample M&V plan that has been prepared in accordance with the Texas Guidelines for Measurement and Verification for Energy Performance Contracts. This sample M&V plan was extracted from the March 1999 workshop, entitled...

  19. The design of a simulated in-line side-coupled 6 MV linear accelerator waveguide

    SciTech Connect (OSTI)

    St Aubin, Joel; Steciw, Stephen; Fallone, B. G. [Department of Physics, University of Alberta, 11322-89 Avenue, Edmonton, Alberta T6G 2G7 (Canada) and Department of Oncology, Medical Physics Division, University of Alberta, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada); Department of Medical Physics, Cross Cancer Institute, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada) and Department of Oncology, Medical Physics Division, University of Alberta, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada); Department of Physics, University of Alberta, 11322-89 Avenue, Edmonton, Alberta T6G 2G7 (Canada); Department of Medical Physics, Cross Cancer Institute, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada); and Department of Oncology, Medical Physics Division, University of Alberta, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada)

    2010-02-15

    Purpose: The design of a 3D in-line side-coupled 6 MV linac waveguide for medical use is given, and the effect of the side-coupling and port irises on the radio frequency (RF), beam dynamics, and dosimetric solutions is examined. This work was motivated by our research on a linac-MR hybrid system, where accurate electron trajectory information for a clinical medical waveguide in the presence of an external magnetic field was needed. Methods: For this work, the design of the linac waveguide was generated using the finite element method. The design outlined here incorporates the necessary geometric changes needed to incorporate a full-end accelerating cavity with a single-coupling iris, a waveguide-cavity coupling port iris that allows power transfer into the waveguide from the magnetron, as well as a method to control the RF field magnitude within the first half accelerating cavity into which the electrons from the gun are injected. Results: With the full waveguide designed to resonate at 2998.5{+-}0.1 MHz, a full 3D RF field solution was obtained. The accuracy of the 3D RF field solution was estimated through a comparison of important linac parameters (Q factor, shunt impedance, transit time factor, and resonant frequency) calculated for one accelerating cavity with the benchmarked program SUPERFISH. It was found that the maximum difference between the 3D solution and SUPERFISH was less than 0.03%. The eigenvalue solver, which determines the resonant frequencies of the 3D side-coupled waveguide simulation, was shown to be highly accurate through a comparison with lumped circuit theory. Two different waveguide geometries were examined, one incorporating a 0.5 mm first side cavity shift and another with a 1.5 mm first side cavity shift. The asymmetrically placed side-coupling irises and the port iris for both models were shown to introduce asymmetries in the RF field large enough to cause a peak shift and skewing (center of gravity minus peak shift) of an initially cylindrically uniform electron beam accelerating within the waveguide. The shifting and skewing of the electron beam were found to be greatest due to the effects of the side-coupling irises on the RF field. A further Monte Carlo study showed that this effect translated into a 1% asymmetry in a 40x40 cm{sup 2} field dose profile. Conclusions: A full 3D design for an in-line side-coupled 6 MV linear accelerator that emulates a common commercial waveguide has been given. The effect of the side coupling on the dose distribution has been shown to create a slight asymmetry, but overall does not affect the clinical applicability of the linac. The 3D in-line side-coupled linac model further provides a tool for the investigation of linac performance within an external magnetic field, which exists in an integrated linac-MR system.

  20. Effect of longitudinal magnetic fields on a simulated in-line 6 MV linac

    SciTech Connect (OSTI)

    St Aubin, J.; Santos, D. M.; Steciw, S.; Fallone, B. G. [Department of Physics, University of Alberta, 11322-89 Avenue, Edmonton, Alberta T6G 2G7 (Canada) and Department of Oncology, Medical Physics Division, University of Alberta, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada); Department of Oncology, Medical Physics Division, University of Alberta, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada); Department of Medical Physics, Cross Cancer Institute, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada) and Department of Oncology, Medical Physics Division, University of Alberta, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada); Department of Physics, University of Alberta, 11322-89 Avenue, Edmonton, Alberta T6G 2G7 (Canada); Department of Medical Physics, Cross Cancer Institute, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada) and Department of Oncology, Medical Physics Division, University of Alberta, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada)

    2010-09-15

    Purpose: Linac-magnetic resonance (MR) systems have been proposed in order to achieve real-time image guided radiotherapy. The design of a new linac-MR system with the in-line 6 MV linac generating x-rays along the symmetry axis of an open MR imager is outlined. This new design allows for a greater MR field strength to achieve better quality images while reducing hot and cold spots in treatment planning. An investigation of linac's performance in the longitudinal fringe magnetic fields of the MR imager is given. Methods: The open MR imager fringe magnetic field was modeled using the analytic solution of the magnetic field generated from current carrying loops. The derived solution was matched to the magnetic fringe field isolines provided for a 0.5 T open MR imager through Monte Carlo optimization. The optimized field solution was then added to the previously validated 6 MV linac simulation to quantify linac's performance in the fringe magnetic field of a 0.5 T MR imager. To further the investigation, linac's performance in large fringe fields expected from other imagers was investigated through the addition of homogeneous longitudinal fields. Results: The Monte Carlo optimization of the analytic current loop solution provided good agreement with the magnetic fringe field isolines supplied by the manufacturer. The range of magnetic fields the linac is expected to experience when coupled to the 0.5 T MR imager was determined to be from 0.0022 to 0.011 T (as calculated at the electron gun cathode). The effect of the longitudinal magnetic field on the electron beam was observed to be only in the electron gun. The longitudinal field changed the electron gun optics, affecting beam characteristics, such as a slight increase in the injection current and beam diameter, and an increasingly nonlaminar transverse phase space. Although the target phase space showed little change in its energy spectrum from the altered injection phase space, a reduction in the target current and spatial distribution peak intensity was observed. Despite these changes, the target phase space had little effect on the depth dose curves or dose profiles calculated for a 40x40 cm{sup 2} field at 1.5 cm depth. At longitudinal fields larger than 0.012 T, a drastic reduction in the injection current from the electron gun was observed due to a large fraction of electrons striking the anode. This further reduced the target current, which reached a minimum of 28{+-}2 mA at 0.06 T. A slow increase in the injection and target currents was observed at fields larger than 0.06 T due to greater beam collimation in the anode beam tube. Conclusions: In an effort to achieve higher quality images and a reduction in hot and cold spots in the treatment plan, a parallel configuration linac-MR system is presented. The longitudinal magnetic fields of the MR imager caused large beam losses within the electron gun. These losses may be eliminated through a redesign of the electron gun optics incorporating a longitudinal magnetic field, or through magnetic shielding, which has already been proven successful for the transverse configuration.

  1. Performance and Applications of the first HVE 5MV Tandetron{sup TM} at the University of Madrid

    SciTech Connect (OSTI)

    Mous, D.J.W.; Gottdang, A.; Haitsma, R.G. [High Voltage Engineering Europa B.V., Amersfoort, The Netherlands (Netherlands); Garcia Lopez, G.; Climent-Font, A.; Agullo-Lopez, F.; Boerma, D.O. [Centro de Micro-Analisis de Materiales, Universidad Autonoma de Madrid (Spain)

    2003-08-26

    The first HVE Tandetron{sup TM} with a nominal terminal voltage of 5 MV has been put into operation at the Universidad Autonoma de Madrid (Spain) as part of their new IBA facility. The accelerator features a coaxial structure in which the all-solid-state power supply is constructed around the high-energy acceleration tube, thereby avoiding the T-shaped tank that has characterized the HVE Tandetrons{sup TM} so far. The new IBA facility covers a number of different ion beam analysis techniques including ERD using heavy-element time-of-flight, RBS, as well as an external micro-beam for PIXE. During installation, tests have shown a stable terminal voltage of 5.5 MV. The terminal voltage ripple was deduced to be below 6 x 10-6 (RMS) for terminal voltages above 800 kV. Terminal voltage undershoot was measured to be 1.4 x 10-3 for a {approx}1 kW beam at 3 MV and recovered to 1 x 10-4 within 800 ms. IBA experiments that require low energy hydrogen beams are supported by a stable terminal voltage down to 100 kV.

  2. Tracking tumor boundary in MV-EPID images without implanted markers: A feasibility study

    SciTech Connect (OSTI)

    Zhang, Xiaoyong Homma, Noriyasu; Ichiji, Kei; Takai, Yoshihiro; Yoshizawa, Makoto

    2015-05-15

    Purpose: To develop a markerless tracking algorithm to track the tumor boundary in megavoltage (MV)-electronic portal imaging device (EPID) images for image-guided radiation therapy. Methods: A level set method (LSM)-based algorithm is developed to track tumor boundary in EPID image sequences. Given an EPID image sequence, an initial curve is manually specified in the first frame. Driven by a region-scalable energy fitting function, the initial curve automatically evolves toward the tumor boundary and stops on the desired boundary while the energy function reaches its minimum. For the subsequent frames, the tracking algorithm updates the initial curve by using the tracking result in the previous frame and reuses the LSM to detect the tumor boundary in the subsequent frame so that the tracking processing can be continued without user intervention. The tracking algorithm is tested on three image datasets, including a 4-D phantom EPID image sequence, four digitally deformable phantom image sequences with different noise levels, and four clinical EPID image sequences acquired in lung cancer treatment. The tracking accuracy is evaluated based on two metrics: centroid localization error (CLE) and volume overlap index (VOI) between the tracking result and the ground truth. Results: For the 4-D phantom image sequence, the CLE is 0.23 ± 0.20 mm, and VOI is 95.6% ± 0.2%. For the digital phantom image sequences, the total CLE and VOI are 0.11 ± 0.08 mm and 96.7% ± 0.7%, respectively. In addition, for the clinical EPID image sequences, the proposed algorithm achieves 0.32 ± 0.77 mm in the CLE and 72.1% ± 5.5% in the VOI. These results demonstrate the effectiveness of the authors’ proposed method both in tumor localization and boundary tracking in EPID images. In addition, compared with two existing tracking algorithms, the proposed method achieves a higher accuracy in tumor localization. Conclusions: In this paper, the authors presented a feasibility study of tracking tumor boundary in EPID images by using a LSM-based algorithm. Experimental results conducted on phantom and clinical EPID images demonstrated the effectiveness of the tracking algorithm for visible tumor target. Compared with previous tracking methods, the authors’ algorithm has the potential to improve the tracking accuracy in radiation therapy. In addition, real-time tumor boundary information within the irradiation field will be potentially useful for further applications, such as adaptive beam delivery, dose evaluation.

  3. A 2 MV Van de Graaff accelerator as a tool for planetary and impact physics research

    SciTech Connect (OSTI)

    Mocker, Anna; Bugiel, Sebastian; Srama, Ralf [IRS, Universitaet Stuttgart, Pfaffenwaldring 31, D-70569 Stuttgart (Germany); MPI fuer Kernphysik, Saupfercheckweg 1, D-69117 Heidelberg (Germany); Auer, Siegfried [A and M Associates, PO Box 421, Basye, Virginia 22810 (United States); Baust, Guenter; Matt, Guenter; Otto, Katharina [MPI fuer Kernphysik, Saupfercheckweg 1, D-69117 Heidelberg (Germany); Colette, Andrew; Drake, Keith; Kempf, Sascha; Munsat, Tobin; Shu, Anthony; Sternovsky, Zoltan [LASP, University of Colorado, 1234 Innovation Drive, Boulder, Colorado 80303 (United States); Colorado Center for Lunar Dust and Atmospheric Studies, University of Colorado, Boulder, Colorado 80303 (United States); Fiege, Katherina; Postberg, Frank [Institut fuer Geowissenschaften, Universitaet Heidelberg, D-69120 Stuttgart (Germany); MPI fuer Kernphysik, Saupfercheckweg 1, D-69117 Heidelberg (Germany); Gruen, Eberhard [MPI fuer Kernphysik, Saupfercheckweg 1, D-69117 Heidelberg (Germany); LASP, University of Colorado, 1234 Innovation Drive, Boulder, Colorado 80303 (United States); Heckmann, Frieder [Steinbeis-Innovationszentrum Raumfahrt, Gaeufelden (Germany); Helfert, Stefan [Helfert Informatik, Mannheim (Germany); Hillier, Jonathan [Institut fuer Geowissenschaften, Universitaet Heidelberg, D-69120 Stuttgart (Germany); Mellert, Tobias [IRS, Universitaet Stuttgart, Pfaffenwaldring 31, D-70569 Stuttgart (Germany); and others

    2011-09-15

    Investigating the dynamical and physical properties of cosmic dust can reveal a great deal of information about both the dust and its many sources. Over recent years, several spacecraft (e.g., Cassini, Stardust, Galileo, and Ulysses) have successfully characterised interstellar, interplanetary, and circumplanetary dust using a variety of techniques, including in situ analyses and sample return. Charge, mass, and velocity measurements of the dust are performed either directly (induced charge signals) or indirectly (mass and velocity from impact ionisation signals or crater morphology) and constrain the dynamical parameters of the dust grains. Dust compositional information may be obtained via either time-of-flight mass spectrometry of the impact plasma or direct sample return. The accurate and reliable interpretation of collected spacecraft data requires a comprehensive programme of terrestrial instrument calibration. This process involves accelerating suitable solar system analogue dust particles to hypervelocity speeds in the laboratory, an activity performed at the Max Planck Institut fuer Kernphysik in Heidelberg, Germany. Here, a 2 MV Van de Graaff accelerator electrostatically accelerates charged micron and submicron-sized dust particles to speeds up to 80 km s{sup -1}. Recent advances in dust production and processing have allowed solar system analogue dust particles (silicates and other minerals) to be coated with a thin conductive shell, enabling them to be charged and accelerated. Refinements and upgrades to the beam line instrumentation and electronics now allow for the reliable selection of particles at velocities of 1-80 km s{sup -1} and with diameters of between 0.05 {mu}m and 5 {mu}m. This ability to select particles for subsequent impact studies based on their charges, masses, or velocities is provided by a particle selection unit (PSU). The PSU contains a field programmable gate array, capable of monitoring in real time the particles' speeds and charges, and is controlled remotely by a custom, platform independent, software package. The new control instrumentation and electronics, together with the wide range of accelerable particle types, allow the controlled investigation of hypervelocity impact phenomena across a hitherto unobtainable range of impact parameters.

  4. 43 "{"`"MV"|WEu~_W (2006-5) FT-ICR ,,,`J^NX^[,'Y...`f,Sw"z

    E-Print Network [OSTI]

    Maruyama, Shigeo

    43 ñ"ú­{"`"MV"|WE·u~_·¶·W (2006-5) FT-ICR ,É,æ,é`J^ÚNX^·[,Æ'Y»·...`f,Ì»Sw"½z FT-ICR study·öOEë,µ,È,ª,ç·Å"K,È·¶ ·¬·û­@,ð­Í·õ,µ,Ä,¢,é,Ì,ªOE»·ó,Å,,é·D ,±,ê,Ü,Å­{OE¤NX"¯,¶--l`S,ðZ¦,µ·C·X,ÉOE´Zq"Ô·,Ì·,ÉVtg,· ,é,±,Æ,ª·ª,©,Á,½·D,Ü,½·CRoNX^·[,ÆG^m·[

  5. Aberration corrected 1.2-MV cold field-emission transmission electron microscope with a sub-50-pm resolution

    SciTech Connect (OSTI)

    Akashi, Tetsuya; Takahashi, Yoshio; Tanigaki, Toshiaki Shimakura, Tomokazu; Kawasaki, Takeshi; Furutsu, Tadao; Shinada, Hiroyuki; Osakabe, Nobuyuki; Müller, Heiko; Haider, Maximilian; Tonomura, Akira

    2015-02-16

    Atomic-resolution electromagnetic field observation is critical to the development of advanced materials and to the unveiling of their fundamental physics. For this purpose, a spherical-aberration corrected 1.2-MV cold field-emission transmission electron microscope has been developed. The microscope has the following superior properties: stabilized accelerating voltage, minimized electrical and mechanical fluctuation, and coherent electron emission. These properties have enabled to obtain 43-pm information transfer. On the bases of these performances, a 43-pm resolution has been obtained by correcting lens aberrations up to the third order. Observations of GaN [411] thin crystal showed a projected atomic locations with a separation of 44?pm.

  6. Fundamental science investigations to develop a 6-MV laser triggered gas switch for ZR: first annual report.

    SciTech Connect (OSTI)

    Warne, Larry Kevin; Van Den Avyle, James A.; Lehr, Jane Marie; Rose, David; Krompholz, Hermann G.; Vela, Russell; Jorgenson, Roy Eberhardt; Timoshkin, Igor (University of Strathclyde, Glasgow, Scotland); Woodworth, Joseph Ray; Prestwich, Kenneth Randel (Voss Scientific, Albuquerque, NM); Krile, John; Given, Martin (University of Strathclyde, Glasgow, Scotland); McKee, G. Randall; Rosenthal, Stephen Edgar; Struve, Kenneth William; Welch, Dale Robert (Voss Scientific, Albuquerque, NM); Benwell, Andrew L. (University of Missouri-Columbia, Columbia, Missouri); Kovaleski, Scott; LeChien, Keith, R.; Johnson, David (Titan Pulse Sciences Division); Fouracre, R.A. (University of Strathclyde, Glasgow, Scotland); Yeckel, Chris (University of Missouri-Columbia, Columbia, Missouri); Wakeland, Peter Eric; Miller, A. R. (Titan Pulse Sciences Division); Hodge, Keith Conquest (Ktech Corporation, Albuquerque, NM); Pasik, Michael Francis; Savage, Mark Edward; Maenchen, John Eric; Curry, Randy D.; Feltz, Greg; Bliss, David Emery; MacGregor, Scott (University of Strathclyde, Glasgow, Scotland); Corley, J. P. (Ktech Corporation, Albuquerque, NM); Anaya, Victor (Ktech Corporation, Albuquerque, NM); Wallace, Zachariah (Ktech Corporation, Albuquerque, NM); Thoma, Carsten (Voss Scientific, Albuquerque, NM); Neuber, Andreas. (Texas Tech University, Lubbock, TX)

    2007-03-01

    In October 2005, an intensive three-year Laser Triggered Gas Switch (LTGS) development program was initiated to investigate and solve observed performance and reliability issues with the LTGS for ZR. The approach taken has been one of mission-focused research: to revisit and reassess the design, to establish a fundamental understanding of LTGS operation and failure modes, and to test evolving operational hypotheses. This effort is aimed toward deploying an initial switch for ZR in 2007, on supporting rolling upgrades to ZR as the technology can be developed, and to prepare with scientific understanding for the even higher voltage switches anticipated needed for future high-yield accelerators. The ZR LTGS was identified as a potential area of concern quite early, but since initial assessments performed on a simplified Switch Test Bed (STB) at 5 MV showed 300-shot lifetimes on multiple switch builds, this component was judged acceptable. When the Z{sub 20} engineering module was brought online in October 2003 frequent flashovers of the plastic switch envelope were observed at the increased stresses required to compensate for the programmatically increased ZR load inductance. As of October 2006, there have been 1423 Z{sub 20} shots assessing a variety of LTGS designs. Numerous incremental and fundamental switch design modifications have been investigated. As we continue to investigate the LTGS, the basic science of plastic surface tracking, laser triggering, cascade breakdown, and optics degradation remain high-priority mission-focused research topics. Significant progress has been made and, while the switch does not yet achieve design requirements, we are on the path to develop successively better switches for rolling upgrade improvements to ZR. This report summarizes the work performed in FY 2006 by the large team. A high-level summary is followed by detailed individual topical reports.

  7. Low-voltage, high-performance InAs/AlSb HEMTs with power gain above 100 GHz at 100 mV drain bias

    E-Print Network [OSTI]

    Rodwell, Mark J. W.

    confinement, and the In0.5Al0.5As layer acts as a stable low-leakage cap [1]. In addition, the InAs quantum low gate-leakage linear current density of 2 nA/µm at -200 mV gate bias. The structures reported in the present work were grown on semi-insulating GaAs substrates in a Varian Gen II MBE machine employing valved

  8. The effect of a paraffin screen on the neutron dose at the maze door of a 15 MV linear accelerator

    SciTech Connect (OSTI)

    Krmar, M.; Kuzmanovi?, A. [Physics Department, Faculty of Science, University of Novi Sad, Novi Sad 21000 (Serbia)] [Physics Department, Faculty of Science, University of Novi Sad, Novi Sad 21000 (Serbia); Nikoli?, D. [National Institute for Nanotechnology, Edmonton, Alberta T6G 2M9 (Canada)] [National Institute for Nanotechnology, Edmonton, Alberta T6G 2M9 (Canada); Kuzmanovi?, Z. [International Medical Centers, Banja Luka 78000, Republika Srpska, Bosnia and Herzegovina (Bosnia and Herzegowina)] [International Medical Centers, Banja Luka 78000, Republika Srpska, Bosnia and Herzegovina (Bosnia and Herzegowina); Ganezer, K. [Physics Department, California State University Dominguez Hills, Carson, California 90747 (United States)] [Physics Department, California State University Dominguez Hills, Carson, California 90747 (United States)

    2013-08-15

    Purpose: The purpose of this study was to explore the effects of a paraffin screen located at various positions in the maze on the neutron dose equivalent at the maze door.Methods: The neutron dose equivalent was measured at the maze door of a room containing a 15 MV linear accelerator for x-ray therapy. Measurements were performed for several positions of the paraffin screen covering only 27.5% of the cross-sectional area of the maze. The neutron dose equivalent was also measured at all screen positions. Two simple models of the neutron source were considered in which the first assumed that the source was the cross-sectional area at the inner entrance of the maze, radiating neutrons in an isotropic manner. In the second model the reduction in the neutron dose equivalent at the maze door due to the paraffin screen was considered to be a function of the mean values of the neutron fluence and energy at the screen.Results: The results of this study indicate that the equivalent dose at the maze door was reduced by a factor of 3 through the use of a paraffin screen that was placed inside the maze. It was also determined that the contributions to the dosage from areas that were not covered by the paraffin screen as viewed from the dosimeter, were 2.5 times higher than the contributions from the covered areas. This study also concluded that the contributions of the maze walls, ceiling, and floor to the total neutron dose equivalent were an order of magnitude lower than those from the surface at the far end of the maze.Conclusions: This study demonstrated that a paraffin screen could be used to reduce the neutron dose equivalent at the maze door by a factor of 3. This paper also found that the reduction of the neutron dose equivalent was a linear function of the area covered by the maze screen and that the decrease in the dose at the maze door could be modeled as an exponential function of the product ?·E at the screen.

  9. TH-E-17A-11: Tracking Tumor’s Boundary in MV Image Sequences for Image-Guided Radiation Therapy

    SciTech Connect (OSTI)

    Zhang, X; Homma, N; Ichiji, K; Abe, M; Sugita, N; Yoshizawa, M; Narita, Y; Takai, Y

    2014-06-15

    Purpose: To develop a level set method (LSM)-based algorithm to track the tumor’s boundary in MV image sequences for image-guided radiation therapy (IGRT). Method: Four MV image sequences, each of which consists of 100 frames at frame rate of 7.5 Hz, are acquired by using the electronic portal imaging device (EPID) (Varian Medical Systems, Pal Alto, USA) during the treatment of lung cancer. In the first frame of each sequence, we roughly delineate an initial contour of the target tumor by hand. Using a LSM-based algorithm, the initial contour can automatically shape itself to fit the tumor, and eventually detect the tumor’s boundary. We then employ the tumor’s boundary obtained from the previous frame as the initial contour in the subsequent frame, so that the LSM-based method can drive this initial contour to the tumor’s boundary quickly and fulfill a tracking task. Results: The proposed method has been evaluated on four MV image sequences. The mean tracking errors were 0.23, 0.29, 0.37, and 1.18 mm, and their corresponding standard deviations were 0.97, 0.75, 1.2 and 1.48 mm, respectively. Conclusion: Compared with conventional tumor tracking techniques, the proposed system is capable not only of tracking the tumor’s position, but also of detecting the tumor’s boundary varying with the respiration during the treatment. Considering current radiation therapy technique, for example, dynamical multi-leaf collimator (DMLC) has been widely applied in clinical treatment, this study indicates the potential for significant accuracy improvement in radiation therapy. This work was partially supported by a research grant from Varian Medical Systems (Palo Alto, California)

  10. SU-E-T-322: The Evaluation of the Gafchromic EBT3 Film in Low Dose 6 MV X-Ray Beams with Different Scanning Modes

    SciTech Connect (OSTI)

    Lee, H; Sung, J; Yoon, M; Kim, D; Chung, W

    2014-06-01

    Purpose: We have evaluated the response of the Gafchromic EBT3 film in low dose for 6 MV x-ray beams with two scanning modes, the reflection scanning mode and the transmission scanning mode. Methods: We irradiated the Gafcromic EBT3 film using a 60 degree enhanced dynamic wedge (EDW) with 6 MV x-ray beams from Clinac iX Linear accelerator (Varian Medical Systems, Palo Alto, CA). The irradiated Gafchromic EBT3 film was scanned with different scanning modes, the reflection scanning mode and the transmission scanning mode. The scanned Gafchromic EBT3 film was analyzed with MATLAB. Results: When 7.2 cGy was irradiated to the Gafchromic EBT3 film, the uncertainty was 0.54 cGy with reflection scanning mode and was 0.88 cGy with transmission scanning mode. When 24 cGy was irradiated to the Gafchromic EBT3 film, the uncertainty was similar to the case of 7.2 cGy irradiation showing 0.51 cGy of uncertainty with reflection scanning mode and 0.87 cGy of uncertainty with transmission scanning mode. The result suggests that the reflection mode should be used in Gafchromic EBT3 film for low irradiation. Conclusion: The result suggests that the reflection mode should be used in Gafchromic EBT3 film for low irradiation.

  11. Methods Note/ NAPL Source Zone Depletion Model

    E-Print Network [OSTI]

    Barkan, Christopher P.L.

    industry. Among the petroleum hydrocarbon mixtures considered, the cleanup time of diesel fuel was much of Geomechanics, Sandia National Laboratories, P.O. Box 5800, MS 0735, Albuquerque, NM 87185-0735; (505) 284

  12. Measurement and Verification (M&V

    E-Print Network [OSTI]

    Masuda, H

    2014-01-01

    Air Through Efficiency Conference, Dallas, Texas Nov. 18-20 E ne rg y us ag e Ambient Temperature Mean E ne rg y us ag e Ambient Temperature SLR E ne rg y us ag e Ambient Temperature 3P-CP E ne rg y us ag e Ambient Temperature 4P-CP 10 E ne rg y... us ag e Ambient Temperature 5P-CP Three-Parameter Change Point Four-Parameter Change Point Five-Parameter Change Point Typical Option C Baseline Models ESL-KT-14-11-39 CATEE 2014: Clean Air Through Efficiency Conference, Dallas, Texas Nov. 18...

  13. Final Report Northeast Site Area B NAPL Remediation Project

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouth DakotaRobbins and Myers CoMadisonAMOCOELIkNATION ;.7,

  14. Microsoft Word - N0075800-NAPL April to June 04.doc

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouth DakotaRobbins and MyersHr. Anthony5-TAC U.S. Department

  15. Northeast Site Area A NAPL Remediation Final Report.doc

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouth DakotaRobbins and MyersHr.EvaluationJune~ofOF.+,-a-r&82-TAC

  16. Revised 01/15/2014 MV3 MV4 Safety Checklist

    E-Print Network [OSTI]

    Harms, Kyle E.

    of the day and a new entry (trip) should be started daily when not returning to the domicile. · Date- This includes the date the trip was taken. If an overnight trip is required, a new entry should be started each Mileage, Gallons of Fuel, Fuel Cost, Totals per Date from back of form, Down Days, Driver Initials

  17. Giambattista Della Porta's Histrionic Science

    E-Print Network [OSTI]

    Kodera, Sergius

    2012-01-01

    libri XX. Naples: Carlino Vitale, [1589] 1611. _____. Magialibri XX (Naples: Carlino Vitale, [1589] 1611), 388: “Noi

  18. Electric Utility Industrial DSM and M&V Program 

    E-Print Network [OSTI]

    Lau, K. P. K.

    2008-01-01

    BC Hydro is an electric utility with a service area covering over 95% of the province of British Columbia in Canada. Power Smart is BC Hydro’s demand-side-management (DSM) division. Power Smart develops, operates and manages various DSM programs...

  19. M&V Guidelines: Measurement and Verification for Federal Energy...

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

    nEnergyPlus%2Bredirect%2B1 for discussion of simulation issues. 17 http:rredc.nrel.govsolarolddatansrdb1991-2005tmy3. 18 See ASHRAE Guideline 14-2015 and Section 4.2.2...

  20. M&V Guidelines: Measurement and Verification for Federal Energy...

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

    staff. The persistence of the changes can be addressed through checking performance benchmarks, conducting periodic tune-ups, or a more aggressive commissioning approach. This...

  1. Miami, May, 2015 M/V MAERSK VILNIUS

    E-Print Network [OSTI]

    research can be viewed in real or near-real time on our laboratory's web pages. As we obtain the data, we place updates on the progress of our research, which can be accessed through our web pages.aoml.noaa.gov/phod) web pages. Of special interest to you could be the web pages where we show results obtained from high

  2. NOAA / AOML Thermosalinograph (TSG) M/V Explorer Manual

    E-Print Network [OSTI]

    ..............................8 Iridium Freeze-Up 9 AMVERSEAS Freeze-Up 10 Blackout 10 NOAA/AOML TSG Procedures Page 1 of 10 #12

  3. MHK ISDB/Instruments/POS MV Surfmaster | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View NewTexas:Montezuma,Information MHK ISDB/Instruments/Nortek Aquadopp Current MeterPage Edit

  4. Automotive Accessibility and Efficiency Meet in the Innovative MV-1 |

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergyTher i n c i p a l De p uBUS SERVICE SUBSIDIES AT THEEnergyAO is theDepartment of

  5. Pore-scale analysis of thermal remediation of NAPL-contaminated subsurface environments 

    E-Print Network [OSTI]

    Ahn, Min

    2009-05-15

    to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY Approved by: Chair of Committee, Yavuz Corapcioglu Committee Members, Hamn-Ching Chen Hongbin Zhan Eyad... but also enhanced my insight of what water resources engineering is and what role we play as water resources engineers. I am very honored to be his student. I am also especially grateful to my committee members: Dr. Hongbin Zhan, Dr. Hamn-Ching Chen...

  6. Imaging the Angevin Patron Saint: Mary Magdalen in the Pipino Chapel in Naples

    E-Print Network [OSTI]

    Wilkins, Sarah S.

    2012-01-01

    by Cordelia Warr and Janis Elliot, 152-175. Malden: Wiley-by Cordelia Warr and Janis Elliot, 38-61. Malden: Wiley-Warr, Cordelia, and Janis Elliot, eds. Art and Architecture

  7. From Propaganda to Science: Looking at the World of Academies in Early Seventeenth-century Naples

    E-Print Network [OSTI]

    Gianfrancesco, Lorenza

    2012-01-01

    academica dell’incendio e terremoto di Somma fatta nell’academica dell’incendio e terremoto di Somma fatta nell’

  8. An experimental study of horizontal barrier formation and containment of NAPLs by gelling liquids 

    E-Print Network [OSTI]

    Durmusoglu, Ertan

    1997-01-01

    reductions will be carried out in the one-dimensional columns. After an impervious layer is produced, durability of the grouted porous media in the presence of typical contaminants will be investigated. The proposed research aims at the testing of techniques...

  9. Imaging the Angevin Patron Saint: Mary Magdalen in the Pipino Chapel in Naples

    E-Print Network [OSTI]

    Wilkins, Sarah S.

    2012-01-01

    Storico Italiano per il Medio Evo, l’U.M.R. Telemme et l’Storico Italiano per il Medio Evo, l’U.M.R. Telemme et l’

  10. Cross borehole induced polarization to detect subsurface NAPL at the Savannah River Site, South Carolina

    E-Print Network [OSTI]

    Lambert, Michael B. (Michael Brian), 1980-

    2003-01-01

    Spectral induced polarization measurements were acquired in six cross-borehole panels within four boreholes at the Savannah River Site. The investigation was performed to delineate the presence of dense non-aqueous phase ...

  11. 2014 FLORIDA TOMATO INSTITUTE PROGRAM The Ritz-Carlton Golf Resort, Naples, Florida

    E-Print Network [OSTI]

    Florida, University of

    climatic, hydrologic, and agronomic factors to phosphorous transport from plastic mulch beds - Sanjay

  12. Imaging the Angevin Patron Saint: Mary Magdalen in the Pipino Chapel in Naples

    E-Print Network [OSTI]

    Wilkins, Sarah S.

    2012-01-01

    39.1-4). The scope of the dedication is unclear, as it wasadopted the Magdalen dedication. This is generally supportedis skeptical of a general dedication to the Magdalen and is

  13. Microsoft Word - DOE_RM_DM-#100069-v1-NAPL_Quarterly_Oct-Dec_2004.DOC

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouth DakotaRobbins and MyersHr. Anthony V.How DisposalInterim1 U.S.

  14. Microsoft Word - DOE_RM_DM-#341474-v1-NAPL_Quarterly_April_-_June_2005.DOC

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouth DakotaRobbins and MyersHr. Anthony V.How DisposalInterim166 2005

  15. Microsoft Word - DOE_RM_DM-#345139-v1-NAPL_Quarterly_Oct-Dec_2005.DOC

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouth DakotaRobbins and MyersHr. Anthony V.How DisposalInterim1661 20055

  16. Microsoft Word - DOE_RM_DM-#350832-v1-NAPL_Quarterly_April-June_2006.DOC

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouth DakotaRobbins and MyersHr. Anthony V.HowJanuary through

  17. Microsoft Word - N0071600-NAPL-Oct to Dec.doc

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouth DakotaRobbins and MyersHr. Anthony5-TAC U.S. Department of

  18. Microsoft Word - N0074600-NAPL-Jan to March.doc

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouth DakotaRobbins and MyersHr. Anthony5-TAC U.S. Department ofJanuary

  19. Successful Field-Scale In Situ Thermal NAPL Remediation at the Young -

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LIST OF APPLICABLEStatutory Authority for anStudy: Algae CouldSubstanceRainey STAR

  20. Project Overview: Successful Field-Scale In Situ Thermal NAPL Remediation |

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematicsEnergyInterested PartiesBuildingBudget | DepartmentLogisticalProject Management

  1. Artists, Patrons, and Trust in Seventeenth-Century Naples: The Case of the Certosa di San Martino

    E-Print Network [OSTI]

    Napoli, J. Nicholas

    2012-01-01

    Emerging Unharmed from the Furnace. It is mentioned byEmerging Unharmed from the Furnace (Fig. 4), painted for theEmerging Unharmed from the Furnace (1647, a commission given

  2. Artists, Patrons, and Trust in Seventeenth-Century Naples: The Case of the Certosa di San Martino

    E-Print Network [OSTI]

    Napoli, J. Nicholas

    2012-01-01

    B. Jordan. Ex. cat. , Kimbell Art Museum, Fort Worth, 1982.B. Jordan, ex. cat. , Kimbell Art Museum, Fort Worth, 1982 (

  3. Public Happiness as the Wealth of Nations: The Rise of Political Economy in Naples in a Comparative Perspective

    E-Print Network [OSTI]

    Sabetti, Filippo

    2012-01-01

    Inediti. Milan: Giuffre’. Vitale, Marco 2001. “Startingsciences (Pecchio quoted in Vitale 2001: 131, and also in

  4. Artists, Patrons, and Trust in Seventeenth-Century Naples: The Case of the Certosa di San Martino

    E-Print Network [OSTI]

    Napoli, J. Nicholas

    2012-01-01

    of the local painter Filippo Vitale and sister of Pacecco delaw to the painter Filippo Vitale and brother-in-law to the

  5. Microsoft Word - DOE_RM_DM-#102768-v1-NAPL_Quarterly_Report_Jan-March_2005.ƒ

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouth DakotaRobbins and MyersHr. Anthony V.How DisposalInterim16 U.S.

  6. Microsoft Word - DOE_RM_DM-#344133-v1-Final_NAPL_Quarterly_July-Sept_2005.Dƒ

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouth DakotaRobbins and MyersHr. Anthony V.How DisposalInterim1661 2005

  7. Microsoft Word - DOE_RM_DM-#99768-v1-NAPL_Quarterly_Report_for_July-Sept_20ƒ

    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: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouth DakotaRobbins and MyersHr. Anthony V.HowJanuary2004 - - GJ749July

  8. IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, VOL. 13, NO. 3, SEPTEMBER 2005 263 Wireless Multichannel Biopotential Recording Using

    E-Print Network [OSTI]

    Wang, Xiaoqin

    263 Wireless Multichannel Biopotential Recording Using an Integrated FM Telemetry Circuit Pedram, and wireless frequency-modulation transmission of microvolt- and millivolt-range input biopotentials

  9. Application of Risk Analysis to Evaluating M&V Requirement for Energy Efficiency Program 

    E-Print Network [OSTI]

    Tan, G.; Gregoire, C.; Gogte, S.; Gowans, D.

    2007-01-01

    administrative efficiencies, but also with increased risk that the estimated savings may not be realized. This paper presented a risk analysis of the threshold for small lighting projects by running a Monte Carlo simulation. The preliminary result of this study...

  10. State and Local Energy Savings Performance Contracting: Savings Measurement and Verification (M&V)

    Broader source: Energy.gov [DOE]

    DOE’s Technical Assistance Program (TAP) supports the Energy Efficiency and Conservation Block Grant Program (EECBG) and the State Energy Program (SEP) by providing state, local, and tribal officials the tools and resources needed to implement successful and sustainable clean energy programs.

  11. Waveguide detuning caused by transverse magnetic fields on a simulated in-line 6 MV linac

    SciTech Connect (OSTI)

    St Aubin, J.; Steciw, S.; Fallone, B. G. [Department of Physics, University of Alberta, 11322-89 Avenue, Edmonton, Alberta T6G 2G7 (Canada) and Department of Oncology, Medical Physics Division, University of Alberta, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada); Department of Medical Physics, Cross Cancer Institute, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada) and Department of Oncology, Medical Physics Division, University of Alberta, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada); Department of Physics, University of Alberta, 11322-89 Avenue, Edmonton, Alberta T6G 2G7 (Canada); Department of Medical Physics, Cross Cancer Institute, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada) and Department of Oncology, Medical Physics Division, University of Alberta, 11560 University Avenue, Edmonton, Alberta T6G 1Z2 (Canada)

    2010-09-15

    Purpose: Due to the close proximity of the linear accelerator (linac) to the magnetic resonance (MR) imager in linac-MR systems, it will be subjected to magnet fringe fields larger than the Earth's magnetic field of 5x10{sup -5} T. Even with passive or active shielding designed to reduce these fields, some magnitude of the magnetic field is still expected to intersect the linac, causing electron deflection and beam loss. This beam loss, resulting from magnetic fields that cannot be eliminated with shielding, can cause a detuning of the waveguide due to excessive heating. The detuning, if significant, could lead to an even further decrease in output above what would be expected strictly from electron deflections caused by an external magnetic field. Thus an investigation of detuning was performed through various simulations. Methods: According to the Lorentz force, the electrons will be deflected away from their straight course to the target, depositing energy as they impact the linac copper waveguide. The deposited energy would lead to a heating and deformation of the copper structure resulting in resonant frequency changes. PARMELA was used to determine the mean energy and fraction of total beam lost in each linac cavity. The energy deposited into the copper waveguide from the beam losses caused by transverse magnetic fields was calculated using the Monte Carlo program DOSRZnrc. From the total energy deposited, the rise in temperature and ultimately the deformation of the structure was estimated. The deformed structure was modeled using the finite element method program COMSOL MULTIPHYSICS to determine the change in cavity resonant frequency. Results: The largest changes in resonant frequency were found in the first two accelerating cavities for each field strength investigated. This was caused by a high electron fluence impacting the waveguide inner structures coupled with their low kinetic energies. At each field strength investigated, the total change in accelerator frequency was less than a manufacturing tolerance of 10 kHz and is thus not expected to have a noticeable effect on accelerator performance. Conclusions: The amount of beam loss caused by magnetic fringe fields for a linac in a linac-MR system depends on the effectiveness of its magnetic shielding. Despite the best efforts to shield the linac from the magnetic fringe fields, some persistent magnetic field is expected which would result in electron beam loss. This investigation showed that the detuning of the waveguide caused by additional electron beam loss in persistent magnetic fields is not a concern.

  12. Miami, May, 2013 Captain of the M/V Jolly Oro

    E-Print Network [OSTI]

    the seasonal and interannual fluctuations in the upper layer heat storage, now being complemented by profiling an oceanographic and climate observing system to, for example, measure the upper ocean thermal structure storage and global transport of heat and fresh water, which is crucial to improve climate prediction

  13. A Study of Sparse-Matrix Vector Multiplication (SpMV) on Different Architectures and Libraries

    E-Print Network [OSTI]

    Negrut, Dan

    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Discussion 5 2 #12;1 Introduction ViennaCL is a free open-source linear algebra libraryViennaCL is available [4]. The cuSPARSE library contains a set of basic linear algebra subroutines used for handling sparse matrices. It is implemented on top of the NVIDIA CUDA runtime (which is part of the CUDA Toolkit

  14. A batteryless thermoelectric energy-harvesting interface circuit with 35mV startup voltage

    E-Print Network [OSTI]

    Ramadass, Yogesh Kumar

    A batteryless thermoelectric energy-harvesting interface circuit to extract electrical energy from human body heat is implemented in a 0.35 ?m [mu m] CMOS process. A mechanically assisted startup circuit enables operation ...

  15. Construction of MV-6 Well Pad at the Central Nevada Test Area Completed |

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergyTher i n c i p aDepartmentEnergy comparing LEDCSAC Charter 1.0Department of

  16. 24/06/2009 MV/24/09 MVetMed Programme Specification and Assessment & Award Regulations

    E-Print Network [OSTI]

    Daley, Monica A.

    and teaching skills, who are able to take advantage of current developments in information technology 18 skills and experience in conducting research projects · produce graduates with good communication methodology · ethical and welfare issues relating to clinical practice, Assessment by · Continuous formative

  17. Development of a Monitoring and Verification (M&V) Plan and Baseline for the Fort Hood ESPC Project 

    E-Print Network [OSTI]

    Haberl, J. S.; Liu, Z.; Baltazar-Cervantes, J. C.; Lynn, B.; Underwood, D.

    2004-01-01

    (kWh,kW) 6,439 0 0 $0.01 $0.01 87014 CO HQ Building 14,162 87000 Block STEAM WBE(kWh,kW) 32,892 96 0 $0.16 $0.16 87015 Enlisted UPH 42,306 87000 Block STEAM WBE(kWh,kW) 6,502 3 0 $0.01 $0.01 87016 CO HQ Building 25,168 87000 Block STEAM WBE(kWh,kW) 50,197....1. Lawrence Berkeley Laboratory and Los Alamos National Laboratory, Rpt No. LBL-8689 Rev. 2; DOE-2 User Coordination Office, LBL, Berkeley, CA. LBL. 1981. DOE-2 Engineers Manual, Ver. 2.1A, Lawrence Berkeley Laboratory and Los Alamos National Laboratory...

  18. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH Part A--Toxic/Hazardous Substances & Environmental Engineering

    E-Print Network [OSTI]

    Rockne, Karl J.

    be promising for in situ bioremediation following NAPL extraction. Key Words: Reductive dechlorination; Bioremediation; Ethyl lactate; Perchloroethene; Tetrachloroethene; Chloroethene; Green chemistry; Solvent- water aquifers and may exist as dense nonaqueous phase liquids (NAPLs) due to their higher density

  19. Policy Analysis Risk Assessment for Polycyclic

    E-Print Network [OSTI]

    Peters, Catherine A.

    Policy Analysis Risk Assessment for Polycyclic Aromatic Hydrocarbon NAPLs Using Component Fractions not capture the variation in NAPL composition over time and as such do not consider changes in risk over time analysis of a lumped parameter approach. The fractions and priority pollutants are modeled as NAPL

  20. Acoustic detection of Immiscible Liquids in Sand

    SciTech Connect (OSTI)

    Geller, Jil T.; Kowalsky, Michael B.; Seifert, Patricia K.; Nihei, Kurt T.

    1999-03-01

    Laboratory cross-well P-wave transmission at 90 kHz was measured in a 61 cm diameter by 76 cm tall water-saturated sand pack, before and after introducing a non-aqueous phase organic liquid (NAPL) (n-dodecane). In one experiment NAPL was introduced to form a lens trapped by a low permeability layer; a second experiment considered NAPL residual trapped behind the front of flowing NAPL. The NAPL caused significant changes in the travel time and amplitude of first arrivals, as well as the generation of diffracted waves arriving after the direct wave. The spatial variations in NAPL saturation obtained from excavation at the end of the experiment correlated well with the observed variations in the P-wave amplitudes and travel times. NAPL residual saturation changes from NAPL flow channels of 3 to 4% were detectable and the 40 to 80% NAPL saturation in the NAPL lens was clearly visible at acoustic frequencies. The results of these experiments demonstrate that small NAPL saturations may be more easily detected with amplitude rather than travel time data, but that the relationships between the amplitude changes and NAPL saturation maybe more complex than those for velocity.

  1. WE-G-17A-09: Novel Magnetic Shielding Design for Inline and Perpendicular Integrated 6 MV Linac and 1.0 T MRI Systems

    SciTech Connect (OSTI)

    Li, X; Ma, B; Kuang, Y; Diao, X

    2014-06-15

    Purpose: The influence of fringe magnetic fields delivered by magnetic resonance imaging (MRI) on the beam generation and transportation in Linac is still a major challenge for the integration of linear accelerator and MRI (Linac-MRI). In this study, we investigated an optimal magnetic shielding design for Linac-MRI and further characterized the beam trajectory in electron gun. Methods: Both inline and perpendicular configurations were analyzed in this study. The configurations, comprising a Linac-MRI with a 100cm SAD and an open 1.0 T superconductive magnet, were simulated by the 3D finite element method (FEM). The steel shielding around the Linac was included in the 3D model, the thickness of which was varied from 1mm to 20mm, and magnetic field maps were acquired with and without additional shielding. The treatment beam trajectory in electron gun was evaluated using OPERA 3d SCALA with and without shielding cases. Results: When Linac was not shielded, the uniformity of diameter sphere volume (DSV) (30cm) was about 5 parts per million (ppm) and the fringe magnetic fields in electron gun were more than 0.3 T. With shielding, the magnetic fields in electron gun were reduced to less than 0.01 T. For the inline configuration, the radial magnetic fields in the Linac were about 0.02T. A cylinder steel shield used (5mm thick) altered the uniformity of DSV to 1000 ppm. For the perpendicular configuration, the Linac transverse magnetic fields were more than 0.3T, which altered the beam trajectory significantly. A 8mm-thick cylinder steel shield surrounding the Linac was used to compensate the output losses of Linac, which shifted the magnetic fields' uniformity of DSV to 400 ppm. Conclusion: For both configurations, the Linac shielding was used to ensure normal operation of the Linac. The effect of magnetic fields on the uniformity of DSV could be modulated by the shimming technique of the MRI magnet. NIH/NIGMS grant U54 GM104944, Lincy Endowed Assistant Professorship.

  2. Static IMRT and VMAT planning on 6 MV Flattened and Flattening-Filter-Free Beams of a TrueBeam VirtuaLinac System

    E-Print Network [OSTI]

    Yan, Yue; Saenz, Daniel; Paliwal, Bhudatt R

    2015-01-01

    In this manuscript, we investigated the accuracy of the entire chain of phase space files generated by the TrueBeam VirtuaLinac system in clinical treatment plans. Good agreement was obtained between the MC simulation and the clinical golden data for both flattened and FFF beams. The relative magnitude of agreement between MC and golden beam data presented in this research may assist a physicist in terms of the percent dose deviation that one may expect when using MC data for verification purposes.

  3. gradient, df/dz, across the condensate. Such a gradient may be imprinted by a condensate velocity, because df=dz mv=h, where

    E-Print Network [OSTI]

    Ganichev, Sergey

    gradient, df/dz, across the condensate. Such a gradient may be imprinted by a condensate velocity,13 , which accounts for far fewer atoms than the number contained in the initial repulsive condensate. Apparently, most of the atoms from the collapsing condensate are lost, while only a small fraction remain

  4. Calculations of atomic sputtering and displacement cross-sections in solid elements by electrons with energies from threshold to 1. 5 MV

    SciTech Connect (OSTI)

    Bradley, C.R.

    1988-12-01

    The kinetics of knock-on collisions of relativistic electrons with nuclei and details of the numerical evaluation of differential, recoil, and total Mott cross-sections are reviewed and discussed. The effects of electron beam induced displacement and sputtering, in the transmission electron microscope (TEM) environment, on microanalysis are analyzed with particular emphasis placed on the removal of material by knock-on sputtering. The mass loss predicted due to transmission knock-on sputtering is significant for many elements under conditions frequently encountered in microanalysis. Total Mott cross-sections are tabulated for all naturally occurring solid elements up to Z = 92 at displacement energies of one, two, four, and five times the sublimation energy and for accelerating voltages accessible in the transmission electron microscope. Fortran source code listings for the calculation of the differential Mott cross-section as a function of electron scattering angle (dMottCS), as a function of nuclear recoil angle (RECOIL), and the total Mott cross-section (TOTCS) are included. 48 refs., 21 figs., 12 tabs.

  5. The determination of sulfur-containing surfactants with a high pressure liquid chromatography-inductively coupled plasma emission spectrometry system 

    E-Print Network [OSTI]

    Hobill, Jonathan Edward

    1987-01-01

    and standard millivolt intensities 81 20 Detection limits for nickel calculated by using the blank and standard millivolt intensities 82 Detection limits of sulfur in methanol/water (411 v/v) matrix. . . . . . . . . . . . . . 85 22 Detection limits of sulfur... data from the PDP 11/03 to the PDP 11/44 and Z-8 computers). 100 DZM M(48) ID(48) IF(5) 105 REM DZM MZLLZVOLT ZNTES1TIES (M), INSTRUMENT PARAMETERS (D) AND 106 REM PZLE NAME FOR DATA STORAGE (F) 220 SENDS (5) 222 REM SEND TO ll/44 230 PRINT "RUN...

  6. 2578 VOLUME 29J O U R N A L O F P H Y S I C A L O C E A N O G R A P H Y 1999 American Meteorological Society

    E-Print Network [OSTI]

    Cencini, Massimo

    Meteorologia e Oceanografia, Istituto Universitario Navale, Naples, Italy (Manuscript received 8 January 1998 address: Dr. Enrico Zambianchi, Istituto di Meteorologia e Oceanografia, Istituto Universitario Navale

  7. [1] N. Alon and J. Spencer, The Probabilistic Method, 2nd ed., John Wiley, 2000. [2] E.R. Berlekamp, Block coding for the binary symmetric channel with noiseless, de-

    E-Print Network [OSTI]

    Spencer, Joel

    and Sons (1984), (original pub- lication: Napl´o az inform´aci´oelm´eletr¨ol, Gondolat, Budapest, 1976). [8

  8. The Rise of Unconventional Political Participation in Italy: Measurement equivalence and trend over time, 1976-2009

    E-Print Network [OSTI]

    Quaranta, Mario

    2012-01-01

    the large scale protests at the G8 summit in Naples indisorders during the Genoa G8 summit in 2001, demonstrations

  9. A Programmable 210 V Offset Rail-to-Rail GMC Filter

    E-Print Network [OSTI]

    Rincon-Mora, Gabriel A.

    milli-Volts glitch at the input of a high- speed high-resolution comparator, for instance, may1 A Programmable 210 µV Offset Rail-to-Rail GM­C Filter H. Pooya Forghani-zadeh1 , Student Member. Programmability is also a feature of growing significance because high performance state-of-the-art systems must

  10. Zoology 112 (2009) 442450 Electric organ morphology and function in the lesser electric ray,

    E-Print Network [OSTI]

    Kajiura, Stephen

    2009-01-01

    foraging or feeding on live prey. r 2009 Elsevier GmbH. All rights reserved. Keywords: Torpediniformes (tens of millivolts; Bennett, 1971). These weak EODs are used in intraspecific communication (Bratton.elsevier.de/zool 0944-2006/$ - see front matter r 2009 Elsevier GmbH. All rights reserved. doi:10.1016/j.zool.2009

  11. Z .Journal of Power Sources 90 2000 5963 www.elsevier.comrlocaterjpowsour

    E-Print Network [OSTI]

    Park, Byungwoo

    Z .Journal of Power Sources 90 2000 59­63 www.elsevier.comrlocaterjpowsour Electrochemical have a voltage penalty of a few hundred millivolts, which reduce the cell voltage and power density, extensive studies have been carried out on Mg­Ni alloys for hydro- w xgen storage materials 6­11 . To study

  12. Smart Sensing Strategies: Insights from a Biological Active Sensing System

    E-Print Network [OSTI]

    Nelson, Mark E.

    of smart sensing systems in diverse engineering applications. Certain freshwater fish from South America and Africa, known as weakly electric fish, use self-generated electrical energy to actively probe their environment. The fish emit millivolt-level electrical discharges and detect microvolt-level voltage

  13. I tnR(I J UCI t~ G f~ SK, A S IMP LE nw~~ LED GEABLE SYSTE1'1 Bozena H. Thompson

    E-Print Network [OSTI]

    port of each ship. ship Ubu Maru Kittyhawk Alamo North Star destination New York Tokyo Oslo Naples Boston London London New York London home port Naples Tokyo Boston London New York Nimitz London Norfolk London New York Norfolk >Are there ships that do not have a cargo? yes >What is the number of New York

  14. 2006 European Association of Geoscientists & Engineers 253 Fresnel reflection coefficients for GPR-AVA analysis and

    E-Print Network [OSTI]

    Santos, Juan

    is the con- tamination of the subsoil with hydrocarbons. Contaminants may exist in the gas phase for GPR-AVA analysis and detection of seawater and NAPL contaminants José M. Carcione1* , Davide Gei1 for different interfaces in the subsoil: air/fresh-water, air/seawater, fresh-water/seawater, air/NAPL (non

  15. EFFECT OF IMMISCIBLE LIQUID CONTAMINANTS ON P-WAVE TRANSMISSION THROUGH NATURAL AQUIFER SAMPLES

    E-Print Network [OSTI]

    Ajo-Franklin, Jonathan

    EFFECT OF IMMISCIBLE LIQUID CONTAMINANTS ON P-WAVE TRANSMISSION THROUGH NATURAL AQUIFER SAMPLES Jil the effect of non-aqueous phase liquid (NAPL) contaminants on P-wave velocity and attenuation attenuation, which may be due to lithology and/or contaminants (NAPL or gas phase). Intact core was obtained

  16. Erste Satzung zur nderung der Ordnung ber die Bildung eines Krperschaftsvermgens

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S

  17. Erste Satzung zur nderung der Prfungsordnung fr den Bachelor-Studiengang Physik

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz - LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S

  18. Vierte Satzung zur nderung der Ordnung ber die Erhebung von Gebhren

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz - LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S

  19. Studienordnung fr den Bachelor-Teilstudiengang Politikwissenschaft

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz - LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S

  20. Prfungsordnung fr den Masterstudiengang (M.Sc.) ,,Health Care Management "

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S

  1. 820 mV open-circuit voltages from Cu2O/CH3CN junctions Chengxiang Xiang, Gregory M. Kimball, Ronald L. Grimm, Bruce S. Brunschwig, Harry A. Atwater*

    E-Print Network [OSTI]

    Kimball, Gregory

    no observable photocorrosion during operation in the nonaqueous electrolyte. The semiconductor/liquid junctions thus provide a noninvasive method to investigate the energy-conversion properties of cuprous oxide) is an attractive material for water photoelectrolysis and for photovoltaics because of the low cost, high

  2. High-Power Converters and AC Drives IEEE PESC2005 Tutorial

    E-Print Network [OSTI]

    Wu, Bin

    Overview · MV Drive Applications Industry Application Examples Petrochemical Pipeline pumps, gas Introduction Main Topics · Medium Voltage (MV) Drive Overview · High Power Converter Topologies · MV Industrial Topic 1 Introduction MV Drive Overview · MV Drive Market Survey Main purpose for high-power fan/pump

  3. Advertise on NYTimes.com SIGN IN TO E-MAIL OR

    E-Print Network [OSTI]

    Columbia University

    Advertise on NYTimes.com SIGN IN TO E-MAIL OR SAVE THIS PRINT SHARE Related A Whiff of Naples. Advertise on NYTimes.com Go to Complete List » More Articles in Opinion » MOST POPULAR Michelle Obama Looks

  4. Proceedings of the TOUGH Symposium 2009

    E-Print Network [OSTI]

    Moridis, George J.

    2010-01-01

    for the gas saturation throughout the reservoir. The dry-NAPL phase saturations matched the reservoir exploration3. Gas saturation (S g ) in the reservoir as a function of

  5. Fact #698: October 24, 2011 Changes in the Federal Highway Administrat...

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

    and MF-27), vehicle registration data (MV-1, MV-9, and MV-10), other data such as R.L. Polk vehicle data, and a host of modeling techniques. Starting with the 2009 VM-1, an...

  6. Mecanica celeste: Ecuaciones del movimiento Christian Nitschelm

    E-Print Network [OSTI]

    Nitschelm, Christian

    /O = - OA mV = r mV (4) El c´alculo de la diferencial del momento cin´etico con respecto al tiempo permite

  7. Promotionsordnung der Medizinischen Fakultt der

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S. 398)1 , das zuletzt durch Artikel 1 des Gesetzes vom 16

  8. Studienordnung fr den weiterbildenden Masterstudiengang

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S. 398)1 , zuletzt geändert durch Artikel 19 des Gesetzes

  9. Universitt Rostock Mathematisch-Naturwissenschaftliche Fakultt

    E-Print Network [OSTI]

    Wolkenhauer, Olaf

    -Vorpommern (Landeshochschulgesetz ­ LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S. 398)1 , zuletzt geändert durch Artikel 1 des Gesetzes

  10. Studienordnung fr den Masterstudiengang (M.Sc.) ,,Health Care Management"

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Landeshochschulgesetzes (LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S. 398)1 , geändert durch Gesetz vom 2. Februar 2006 (GVOBl

  11. Nichtamtliche Lesefassung Promotionsordnung

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG-MV) vom 5. Juli 2002 (GVOBl. M.-V. S. 398), das durch das Gesetz vom 5. Juni 2003 (GVOBl. M

  12. Studienordnung fr den weiterbildenden Master-Studiengang

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S. 398)1 , zuletzt geändert durch Artikel 19 des Gesetzes

  13. Zweite Satzung zur nderung der Ordnung ber die Erhebung von Gebhren

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    (LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S. 398), geändert durch Art. 1 des Gesetzes vom 2. Februar 2006

  14. UNIVERSITT ROSTOCK AMTLICHE BEKANNTMACHUNGEN

    E-Print Network [OSTI]

    Wolkenhauer, Olaf

    Mecklenburg-Vorpommern (Landeshochschulgesetz- LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S. 398)1 in der Fassung

  15. Amtliche Bekanntmachungen 1. Satzung zur nderung der Studienordnung fr den Bachelor-

    E-Print Network [OSTI]

    Wolkenhauer, Olaf

    Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S. 398)1 , das zuletzt

  16. Entgeltordnung fr den Master-Studiengang ,,Kriminologie und Strafrechtspflege"

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    in Verbindung mit 31 Abs. 3 des Landeshochschul- gesetzes (LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S. 398

  17. ENERGY & ENVIRONMENT DIVISION. ANNUAL REPORT FY 1980

    E-Print Network [OSTI]

    Authors, Various

    2010-01-01

    TO SET AUX ELECTRODE RELAY MV END TEST CELL PARAMETERS DRIVEFOR TEST CELL DAC START MV AUX ELECTRODE RELAY 'ON' PLATE

  18. FEL Design Studies at LBNL: Activities and Plans

    E-Print Network [OSTI]

    Corlett, John N.

    2009-01-01

    for 0.75 MV on gap Peak wall power density Unit MHz MV cmof the power density on the cavity walls, which allows CW

  19. Siebte Satzung zur nderung der Ordnung ber die Erhebung von Gebhren an der Ernst-Moritz-Arndt-Universitt Greifswald

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Landeshochschulgesetzes (LHG M-V) in der Fassung der Bekanntmachung vom 25. Januar 2011 (GVOBl. M-V 2011, S. 18), zuletzt,50 mit Antragstellung 16) Gasthörergebühr (§ 22 LHG M-V) 50,00 mit Zulassung 17) Zugangs- und Erweiterungsprüfung für Berufstätige (§ 19 LHG M-V) 100,00 mit Zulassung Zulassungsverfahren für Zugangs- und

  20. Studienordnung fr den Bachelorteilstudiengang ffentliches Recht

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    die Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG M-V) vom 5. Juli 2002

  1. Studienordnung fr den Bachelor-Teilstudiengang Slawistik

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG-MV) vom 5. Juli 2002 (GVOBl. M

  2. Transformer current sensor for superconducting magnetic coils

    DOE Patents [OSTI]

    Shen, S.S.; Wilson, C.T.

    1985-04-16

    The present invention is a current transformer for operating currents larger than 2kA (two kiloamps) that is capable of detecting a millivolt level resistive voltage in the presence of a large inductive voltage. Specifically, the present invention includes substantially cylindrical primary turns arranged to carry a primary current and substantially cylindrical secondary turns arranged coaxially with and only partially within the primary turns, the secondary turns including an active winding and a dummy winding, the active and dummy windings being coaxial, longitudinally separated and arranged to mutually cancel voltages excited by commonly experienced magnetic fields, the active winding but not the dummy winding being arranged within the primary turns.

  3. NIS codes: OS = new/renewal on-site visit PT = proficiency testing on-site FOLUP = follow-up assessment MV = monitoring visit PRE = pre-assessment MOVE = on-site after lab move ADDTM = on-site to assess additions to scope

    E-Print Network [OSTI]

    NIS codes: OS = new/renewal on-site visit PT = proficiency testing on-site FOLUP = follow nonconformities only) #12;NIS codes: OS = new/renewal on-site visit PT = proficiency testing on-site FOLUP

  4. High-ResolutionReal-Time and Color-Flow MRI of Nitinol Stents M. Terashima,E. de la Pena-Almaguer,K.S. Nayak,J.M. Pauly, P.C. Yang, B.S. Hu, M.V. McConnell

    E-Print Network [OSTI]

    Nayak, Krishna

    High-ResolutionReal-Time and Color-Flow MRI of Nitinol Stents M. Terashima,E. de la Pena, but they typically impair MR imaging. Nitinol stents, in contrast, have reduced artifacts and may allow real-time MRI placed in the aorta. Nitinol stent patency was seen in vivo with both high-resolution real-time and color

  5. Interpretation of self-potential measurements during injection...

    Open Energy Info (EERE)

    indicate a small negative change. The magnitude of the change (5 to 10 mV) is near the noise level (5 mV) but they extend over a fairly broad area. The presence of a cathodic...

  6. Comparative Effectiveness of Analgesic Sedation as Primary Sedation in Medical ICU Patients vs. Conventional Sedation and Analgesia Regimens

    E-Print Network [OSTI]

    Taylor, Scott M.

    2014-05-31

    ventilation (MV). Pharmacotherapy including analgesics, sedatives, and antipsychotics are considered the standard of care to optimize patient safety and comfort during MV. Although the use of analgesics, sedatives, and antipsychotic therapies in the ICU...

  7. Erste Satzung zur nderung der Prfungsordnung fr den Bachelorteilstudiengang Geschichte

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    mit § 38 Absatz 1 des Landeshochschulgesetzes (LHG M-V) in der Fassung der Bekanntmachung vom 25. September 2012, der mit Beschluss des Senats vom 18. April 2012 gemäß §§ 81 Absatz 7 LHG M-V und 20 Absatz 1

  8. Zweite Satzung zur nderung der Fachprfungsordnung des Bachelorstudiengangs Geographie

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG M-V) in der Fassung der Bekanntmachung vom 25. Januar 2011 (GVOBl. M-V S. 18), zuletzt 2012 gemäß §§ 81 Absatz 7 LHG und 20 Absatz 1 Satz 2 der Grundordnung der Ernst

  9. Erste Satzung zur nderung der Eignungsprfungsordnung fr die Studiengnge Kirchenmusik (Diplom), Musik (Bachelor), Musikwissenschaft

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG M-V) in der Fassung der Bekanntmachung vom 25. Januar 2011 16. April 2014 gemäß §§ 81 Absatz 7 LHG M-V und 20 Absatz 1 Satz 2 der Grundordnung der Ernst

  10. Erste Satzung zur nderung der Fachprfungsordnung fr den Bachelorstudiengang Physik

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG M-V) in der Fassung der des Senats vom 16. April 2014 gemäß § 81 Absatz 7 LHG M-V und § 20 Absatz 1 Satz 2 Grundordnung die

  11. Erste Satzung zur nderung der Gemeinsamen Prfungs-und Studienordnung fr Bachelor-Teilstudiengnge

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG M-V) in der Fassung der vom 18. April 2012 gemäß §§ 81 Absatz 7 LHG M-V und 20 Absatz 1 Satz 2 der Grundordnung der Ernst

  12. Erste Satzung zur nderung der Studienordnung fr den Studiengang Bachelor fr Mathematik mit Informatik (Bachelor of

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Landes Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S. 398 §§ 81 Abs. 7 LHG und 20 Abs. 1 Satz 2 Grundordnung die Befugnis zur Beschlussfassung verliehen wurde

  13. Prfungsordnung fr die Deutsche Sprachprfung fr den Hochschulzugang

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG M-V) in der Fassung der Bekanntmachung vom 25. Januar 2011 im Landeshochschulgesetz Mecklenburg- Vorpommern (LHG M-V) für die Aufnahme eines Studiums

  14. Erste Satzung zur nderung der Prfungsordnung fr den Bachelorstudiengang Biologie

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    (LHG M-V) in der Fassung der Bekanntmachung vom 25. Januar 2011 (GVOBl. M-V S. 18), geändert durch 2012 gemäß §§ 81 Absatz 7 LHG und 20 Absatz 1 Satz 2 der Grundordnung die Befugnis zur Beschlussfassung

  15. Erste Satzung zur nderung der Fachprfungsordnung fr den Masterstudiengang Biochemie

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG M-V) in der Fassung der Bekanntmachung vom 25. Januar 2011 (GVOBl. M-V S. 18), geändert 2012 gemäß §§ 81 Absatz 7 LHG und 20 Absatz 1 Satz 2 der Grundordnung der Ernst

  16. Gate-Level Characterization: Foundations and Hardware Security Applications

    E-Print Network [OSTI]

    Potkonjak, Miodrag

    Security Keywords Gate-level characterization, thermal conditioning, hardware Trojan horse, manufacturing leakage energy, ever increasing sub- strate noise, profound and intrinsic manufacturing variabil- ity (MV rights management. However, GLC is challenging due to the existence of manufacturing variability (MV

  17. ARITHMETIC FAKE PROJECTIVE SPACES AND ARITHMETIC ...

    E-Print Network [OSTI]

    2008-08-28

    or SUn according as v does or does not split in l, and Mv = Mv . If v ramifies in ..... As the numerator of this number is not a power of 7, according to Proposition 1 ...

  18. Vascular Biotransport Considerations in Signaling Cascades

    E-Print Network [OSTI]

    Vandrangi, Prashanthi

    2012-01-01

    and collagen coated PTFE membranes, HEK confluent cellcellulosic, collagen coated PTFE, and polycarbonate0.67 mV, and collagen coated PTFE was -1.23 mV when soaked

  19. Design Studies for a VUV--Soft X-ray Free-Electron Laser Array

    E-Print Network [OSTI]

    Corlett, J.

    2010-01-01

    0.75 MV at Q 0 (kW) Peak wall power density at 0.75 MV (W/cmlarge and the power density on the walls is small and

  20. Energy Performance Contracting for Texas: The Collaborative Process 

    E-Print Network [OSTI]

    Huff, H.; Matthews, J.

    1998-01-01

    energy savings report is then sent to the Owner. The M&V guideline document also includes a number of M&V option descriptions developed for the International Performance Measurement and Verification Protocol (IPMVP). Options modeled on the IPMVP...

  1. WATER RESOURCES RESEARCH, VOL. , NO. , PAGES 110, The Impact of Wettability Alteration on Two-Phase Flow

    E-Print Network [OSTI]

    Patzek, Tadeusz W.

    WATER RESOURCES RESEARCH, VOL. , NO. , PAGES 1­10, The Impact of Wettability Alteration on Two (NAPLs) and gases that co-exist with water in soils and rocks, is of fundamental interest to subsurface water management. Any prediction of temporal and spatial distributions of these fluids is sensitive

  2. LA-UR 97-3289 TITLE: Thermal Evolution of the Phlegraean Magmatic

    E-Print Network [OSTI]

    1 , Lucia Civetta 2 , and Giovanni Orsi 2 PUBLISHED IN: Journal of Volcanology and Geothermal Energy, Naples, Italy 80138 #12;Z .Journal of Volcanology and Geothermal Research 91 1999 381­414 www in boreholes at Licola, San Vito, and Mofete reported by AGIP in 1987. The initial and boundary conditions

  3. Acoustically enhanced remediation of contaminated soils and ground water. Volume 1

    SciTech Connect (OSTI)

    1995-10-01

    The Phase 1 laboratory bench-scale investigation results have shown that acoustically enhanced remediation (AER) technology can significantly accelerate the ground water remediation of non-aqueous phase liquids (NAPLs) in unconsolidated soils. The testing also determined some of the acoustic parameters which maximize fluid and contaminant extraction rates. A technology merit and trade analysis identified the conditions under which AER could be successfully deployed in the field, and an analysis of existing acoustical sources and varying methods for their deployment found that AER technology can be successfully deployed in-situ. Current estimates of deployability indicate that a NAPL plume 150 ft in diameter can be readily remediated. This program focused on unconsolidated soils because of the large number of remediation sites located in this type of hydrogeologic setting throughout the nation. It also focused on NAPLs and low permeability soil because of the inherent difficult in the remediation of NAPLs and the significant time and cost impact caused by contaminated low permeability soils. This overall program is recommended for Phase 2 which will address the technology scaling requirements for a field scale test.

  4. Patterns of Arm Muscle Activation Involved in Octopus Reaching Movements

    E-Print Network [OSTI]

    Hochner, Binyamin

    Patterns of Arm Muscle Activation Involved in Octopus Reaching Movements Yoram Gutfreund,1 Tamar, Stazione Zoologica "A. Dohrn," Naples 80121, Italy The extreme flexibility of the octopus arm allows a basic invariant motor structure: a bend traveling from the base of the arm toward the tip (Gutfreund et

  5. College of Liberal Arts -The University of Texas at Arlington Festival of Ideas Global Research Institute

    E-Print Network [OSTI]

    Huang, Haiying

    . Event No. 1: Artist Lecture Alfredo Jaar October 5, 2010 - 6 p.m. Architecture Room 204 Alfredo Jaar.m. Architecture Room 204 Dr. Leoni studied at the Istituto Universitario Orientale (Naples) and the School, Africa and southeastern Europe. During his diplomatic career, Maresca served as the United States

  6. NiNicciviv zemzemttesenesen 11. 3. 2011 v11. 3. 2011 v JaponskuJaponsku;;

    E-Print Network [OSTI]

    Cerveny, Vlastislav

    high tsunami warning level at OT+8min, #12;Systémy rychlého varování z blízkých stanic Píklad z Itálie;#12;Performance Test of Earthquake Early Warning System in Southern Italy Zollo A (1), Iannaccone G (2), Cantore L) AMRA S.C.A.R.L, Naples #12;The Irpinia Seismic Network (ISNet) future Earthquake Early Warning System

  7. Alessandro Bellofiore, PhD Curriculum Vit Department of Biomedical EngineeringContact

    E-Print Network [OSTI]

    Chesler, Naomi C.

    of Liquid Jets Injected in High Density Air Crossflow Advisors: Professor A. Cavaliere, Dr R. Ragucci Prevaporised gas turbines. - Multiphase flow systems. Crossflow fuel atomization. Electrohydrody- namic Federico II, Naples, Italy Project: Characterization of Spray Placement and Flow field in Air Cross- flow

  8. Earthquake early warning: Concepts, methods and physical grounds Claudio Satriano a,c,n

    E-Print Network [OSTI]

    Wu, Yih-Min

    Earthquake early warning: Concepts, methods and physical grounds Claudio Satriano a,c,n , Yih of Geosciences, National Taiwan University, Taipei 10617, Taiwan c Department of Physics, University of Naples July 2010 a b s t r a c t Modern technology allows real-time seismic monitoring facilities to evolve

  9. NATURAL HAZARDS ON ALLUVIAL FANS: THE VENEZUELA DEBRIS FLOW AND FLASH FLOOD DISASTER

    E-Print Network [OSTI]

    Eaton, L. Scott

    NATURAL HAZARDS ON ALLUVIAL FANS: THE VENEZUELA DEBRIS FLOW AND FLASH FLOOD DISASTER In December Venezuela. Rainfall on December 2-3 totaled 200 millimeters (8 inches) and was followed by a major storm, Denver, Colorado, Naples, Italy, and Vargas, Venezuela. In time scales spanning thousands of years

  10. Copyright 2009 The Author(s) Journal compilation 2009 National Ground Water Association.

    E-Print Network [OSTI]

    Alvarez, Pedro J.

    and transport of higher ethanol content fuel blends. Likely release scenarios include E85 (85% ethanol; 15 Following a Release of Neat Ethanol onto Pre-existing NAPL by Brent P. Stafford, Natalie L. Cápiro, Pedro J.J. Alvarez, and William G. Rixey Abstract Neat ethanol (75.7 L) was released into the upper capillary zone

  11. The new generation of Electronic Portal Imaging Devices (EPID) based on the a-Si flat panel

    E-Print Network [OSTI]

    Pouliot, Jean

    at the UCSF Cancer Center on a dual energy (6 & 18 MV) linac and clinical use and development of new

  12. Studienordnung fr den Bachelor-Teilstudiengang Geschichte

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Hochschu- len des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG M-V) vom 5. Juli 2002 (GVOBl

  13. Studienordnung fr den Bachelor-Teilstudiengang Deutsch als Fremdsprache (DaF) an der

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG M-V) vom 5. Juli 2002 (GVOBl. M

  14. Studienordnung fr den B.A.-Teilstudiengang ffentliches Recht

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    - schulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG M-V) vom 5. Juli 2002 (GVOBl. M

  15. Promotionsordnung der Rechts-und Staatswissenschaftlichen Fakultt der

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschul- gesetz ­ LHG M-V) vom 5. Juli 2002 (GVOBl. M

  16. Studienordnung fr den Masterstudiengang

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Hochschu- len des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG M-V) vom 5. Juli 2002 (GVOBl

  17. Johannesburg First Floor, 17 Baker Street,

    E-Print Network [OSTI]

    Jarrett, Thomas H.

    and Installation of Rotary UPS, MV Indoor Switchgear and Power Transformers at the MeerKAT site near Carnarvon

  18. Reveille V - 2 

    E-Print Network [OSTI]

    Unknown

    2006-01-01

    This is the 2003 final report for the U.S. Army Monitoring and Verification (M&V) costs project. The purpose of this project is to develop a M&V Costing Toolkit to be used by the government or third party planners to design a M&V plan...

  19. Dritte Satzung zur nderung der Gemeinsamen Prfungsordnung fr Bachelor-und Master-Studiengnge

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG M-V) in der Fassung der Bekanntmachung vom 25. Januar 2011 (GVOBl. M-V S. 18), zuletzt 2012 der mit Beschluss des Senats vom 18. April 2012 gemäß §§ 81 Absatz 7 LHG M-V und 20 Absatz 1 Satz

  20. Zweite Satzung zur nderung der Gemeinsamen Prfungs-und Studienordnung fr die Lehramtsstudiengnge an der Ernst-Moritz-Arndt-

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG M-V) in der Fassung der Bekanntmachung vom 25. Januar 2011 (GVOBl. M-V S. 18), zuletzt-Moritz-Arndt-Universität Greifswald vom 13. Mai 2014, der mit Beschluss des Senats vom 16. April 2014 gemäß §§ 81 Absatz 7 LHG M-V und

  1. Satzung zur nderung der Studien-und Prfungsordnung fr den Bachelorstudiengang Psychologie an der Ernst-Moritz-Arndt-Universitt

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG M-V) in der Fassung der Bekanntmachung vom 25. Januar 2011 (GVOBI. MV S. 18), zuletzt des Senats vom 16. April 2014 gemäß §§ 81 Absatz 7 LHG M-V und 20 Absatz 1 Satz 2 der Grundordnung der

  2. Erste Satzung zur nderung der Fachprfungs-und Studienordnung fr den Bachelorstudiengang Geographie

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG M-V) in der Fassung der Bekanntmachung vom 25. Januar 2011 (GVOBl. M-V S. 18), zuletzt. April 2012 gemäß §§ 81 Absatz 7 LHG M-V und 20 Absatz 1 Satz 2 der Grundordnung der Ernst

  3. Satzung zur nderung von Regelungen zu Prfungsteilleistungen in den Lehramtsstudiengngen Evangelische Religion Gymnasium und Regionale

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG M-V) in der Fassung der Bekanntmachung vom 25. Januar 2011 (GVOBI. MV S. 18), zuletzt des Senats vom 18. April 2012 gemäß §§ 81 Absatz 7 LHG M-V und 20 Absatz 1 Satz 2 der Grundordnung der

  4. I. Allgemeine Bestimmungen 1 Ziel und Zweck der Zugangsprfung

    E-Print Network [OSTI]

    Wolkenhauer, Olaf

    -Vorpommern (Landeshochschulgesetz - LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S. 398)1, geändert durch Arti- kel 1 des Gesetzes vom 5 Hochschulzugangsberechtigung im Sinne von § 18 Abs. 1 LHG M-V besitzen, können eine Zugangs- prüfung ablegen, durch welche die

  5. Dritte Satzung zur nderung der Ordnung ber die Erhebung von Gebhren

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz - LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S: Hochschulöffentlich bekannt gemacht am 18.10.2007 Genehmigung gemäß § 16 Abs. 5 LHG M-V erteilt mit Schreiben des

  6. Sechste Satzung zur nderung der Studienordnung fr den Studiengang Humanmedizin

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz - LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S gemäß §§ 81 Ab- satz 7 LHG M-V und 20 Absatz 1 Satz 2 Grundordnung die Befugnis zur Beschlussfas- sung

  7. Erste Satzung zur nderung der Entgelteordnung fr den weiterbildenden Masterstudiengang

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG M-V) in der Fassung der Bekanntmachung vom 25. Januar 2011 (GVOBl. M-V S. 18) erlässt die, der mit Beschluss des Senats vom 21. April 2010 gemäß §§ 81 Absatz 7 LHG M-V und 20 Absatz 1 Satz 2

  8. Satzung zur nderung der Prfungs-und Studienordnung fr den Bachelorteilstudiengang Kommunikationswissenschaft

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG M-V) in der Fassung der Bekanntmachung vom 25. Januar 2011 (GVOBI. M-V S. 18), zuletzt. April 2014 gemäß §§ 81 Absatz 7 LHG M-V und 20 Absatz 1 Satz 2 Grundordnung die Befugnis zur

  9. From living cells to atoms Compartmentalisation in the cell

    E-Print Network [OSTI]

    Economou, Tassos

    ;Mitochondrial Energy MetabolismMitochondrial Energy Metabolism #12;The Electrochemical Proton Gradient metabolism enzymes,lipid metabolism enzymes, porinporin IMSIMS 6% of total6% of total mitThe Electrochemical Proton Gradient 140 mV 60 mV (-1 pH unit) TOTAL 200 mV #12;Active transport processes are driven

  10. Programa Disciplina Interessado Nvel/Categoria Administrao Gesto da Inovao

    E-Print Network [OSTI]

    Maier, Rudolf Richard

    Inferenciais Bruno Saboya de Aragão M/V Arquitetura e Urbanismo Teoria do Projeto Jayme Wesley de Lima D/V Arquitetura e Urbanismo Teoria do Projeto Lucas Brasil Pereira M/V Arquitetura e Urbanismo Seminário em Arquitetura e Urbanismo Mariana Lima de Fontes M/V Arquitetura e Urbanismo Estudos Especiais em Desenho Urbano

  11. San Joaquin River Up-Stream DO TMDL Project Task 4: Monitoring Study Interim Task Report #3

    E-Print Network [OSTI]

    2007-01-01

    feet Orp Turbid+ Chl Chl Battery Flow mV NTU ug/L RFU voltsfeet Orp Turbid+ Chl Chl Battery Flow mV NTU ug/L RFU volts+ Chl Chl Battery mV NTU ug/L RFU volts Flow CFS 1591.84

  12. HYDROGEL TRACER BEADS: THE DEVELOPMENT, MODIFICATION, AND TESTING OF AN INNOVATIVE TRACER FOR BETTER UNDERSTANDING LNAPL TRANSPORT IN KARST AQUIFERS

    SciTech Connect (OSTI)

    Amanda Laskoskie, Harry M. Edenborn, and Dorothy J. Vesper

    2012-01-01

    The goal of this specific research task is to develop proxy tracers that mimic contaminant movement to better understand and predict contaminant fate and transport in karst aquifers. Hydrogel tracer beads are transported as a separate phase than water and can used as a proxy tracer to mimic the transport of non-aqueous phase liquids (NAPL). They can be constructed with different densities, sizes & chemical attributes. This poster describes the creation and optimization of the beads and the field testing of buoyant beads, including sampling, tracer analysis, and quantitative analysis. The buoyant beads are transported ahead of the dissolved solutes, suggesting that light NAPL (LNAPL) transport in karst may occur faster than predicted from traditional tracing techniques. The hydrogel beads were successful in illustrating this enhanced transport.

  13. A Review of "Milton Among the Puritans: The Case for Historical Revisionism" by Catherine Gimelli Martin 

    E-Print Network [OSTI]

    Mulryan, John

    2011-01-01

    and dominated the procession. Gradually the ?popular? elements were muted and the vitality of the feast of S. Giovanni dimmed. The lesson for ?becoming Neapolitan? from this interesting book is that Neapolitan society, as seen through its festivities... of any authentic popular participa- tion.? This, with the final enfranchisement of the middle classes in the nineteenth century, was the lasting legacy of Baroque Naples: its plebeians were excluded. Catherine Gimelli Martin. Milton Among the Puritans...

  14. Surface and Interfacial Properties of Nonaqueous-Phase Liquid Mixtures Released to the Subsurface at the Hanford Site

    SciTech Connect (OSTI)

    Nellis, Scott; Yoon, Hongkyu; Werth, Charlie; Oostrom, Martinus; Valocchi, Albert J.

    2009-05-01

    Surface and interfacial tensions that arise at the interface between different phases are key parameters affecting Nonaqueous Phase Liquid (NAPL) movement and redistribution in the vadose zone after spill events. In this study, the impact of major additive components on surface and interfacial tensions for organic mixtures and wastewater was investigated. Organic mixture and wastewater compositions are based upon carbon tetrachloride (CT) mixtures released at the Hanford site, where CT was discharged simultaneously with dibutyl butyl phosphonate (DBBP), tributyl phosphate (TBP), dibutyl phosphate (DBP), and a machining lard oil (LO). A considerable amount of wastewater consisting primarily of nitrates and metal salts was also discharged. The tension values measured in this study revealed that the addition of these additive components caused a significant lowering of the interfacial tension with water or wastewater and the surface tension of the wastewater phase in equilibrium with the organic mixtures, compared to pure CT, but had minimal effect on the surface tension of the NAPL itself. These results lead to large differences in spreading coefficients for several mixtures, where the additives caused both a higher (more spreading) initial spreading coefficient and a lower (less spreading) equilibrium spreading coefficient. This indicates that if these mixtures migrate into uncontaminated areas, they will tend to spread quickly, but form a higher residual NAPL saturation after equilibrium, as compared to pure CT. Over time, CT likely volatilizes more rapidly than other components in the originally disposed mixtures and the lard oil and phosphates would become more concentrated in the remaining NAPL, resulting in a lower interfacial tension for the mixture. Spreading coefficients are expected to increase and perhaps change the equilibrated organic mixtures from nonspreading to spreading in water-wetting porous media. These results show that the behavior of organic chemical mixtures should be accounted for in numerical flow and transport models.

  15. Naranja, Florida: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI Ventures Ltd Jump to: navigation,Naples, Maine: Energy Resources

  16. Nash County, North Carolina: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI Ventures Ltd Jump to: navigation,Naples, Maine: Energy

  17. Nassau County, Florida: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI Ventures Ltd Jump to: navigation,Naples, Maine:

  18. National Bio Energy Co Ltd formerly Guoneng Biomass Power Ltd | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI Ventures Ltd Jump to: navigation,Naples, Maine:New

  19. National Conference of State Historic Preservation Officers website | Open

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI Ventures Ltd Jump to: navigation,Naples,

  20. National Energy Audit (NEAT) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI Ventures Ltd Jump to: navigation,Naples,Development and Reform

  1. National Energy Modeling System (NEMS) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI Ventures Ltd Jump to: navigation,Naples,Development and

  2. National Interest Security Company NISC Formerly Technology Management

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI Ventures Ltd Jump to: navigation,Naples,Development

  3. National Park Service Hydropower Assistance webpage | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI Ventures Ltd Jump to: navigation,Naples,DevelopmentLease Financing

  4. National Renewables Cooperative Organization NRCO | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI Ventures Ltd Jump to: navigation,Naples,DevelopmentLease

  5. National Science and Technology Development Agency | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI Ventures Ltd Jump to: navigation,Naples,DevelopmentLeaseProject |

  6. National Solar Radiation Database | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI Ventures Ltd Jump to: navigation,Naples,DevelopmentLeaseProject

  7. Development of a mathematical model for determining drug absorption parameters in Caco-2 cell monolayers

    E-Print Network [OSTI]

    Blaser, David

    2006-10-27

    C /**/** max ++??= BBabCabBab VSmCCPdt dC /*)(* ?= SmCCPSmMK MvSmCCPdtdM BabCab Cab CabCabAabCab *)(****)(* max ?? +??= A Cba CbaAAbaCbaAba VSm MK MvVSmCCP dt dC /**/*)(* max ++?= BCbaBbaBba VSmCCPdt dC /*)(* ??= SmMK MvSmCCPSmCCPdtdM Cba CbaAbaCbaCbaBbaCba...C /**/** max ++??= BBabCabBab VSmCCPdt dC /*)(* ?= SmCCPSmMK MvSmCCPdtdM BabCab Cab CabCabAabCab *)(****)(* max ?? +??= A Cba CbaAAbaCbaAba VSm MK MvVSmCCP dt dC /**/*)(* max ++?= BCbaBbaBba VSmCCPdt dC /*)(* ??= SmMK MvSmCCPSmCCPdtdM Cba CbaAbaCbaCbaBbaCba...

  8. 2058-D02 Rev F 8/15/2005 PO Box 366, 435 Route 206N, Newton, NJ 07860

    E-Print Network [OSTI]

    Kleinfeld, David

    Bandwidth DC to 10MHz Noise (RMS) 0.28 mV 0.33 mV 0.44 mV NEP (960nm, 0dB) 1 x 10 -11 W/Hz Offset -5 mV 6 mV 15 mV NEP (960nm, 10dB) 8 x 10 -12 W/Hz 10 dB Setting NEP (960nm, 20dB) 5 x 10 -12 W/Hz Transimpedance Gain 1 4.7 x 10 4 V/A NEP (960nm, 30dB) 5 x 10 -12 W/Hz Trans. Gain (50) 1 2.35 x 10 4 V/A NEP

  9. Standard Measurement & Verification Plan for Lighting Equipment Retrofit or Replacement Projects

    SciTech Connect (OSTI)

    Richman, Eric E.

    2009-11-04

    This document provides a framework for a standard Measurement and Verification (M&V) plan for lighting projects. It was developed to support cost-effective retrofits (partial and complete replacements) of lighting systems and is intended to provide a foundation for an M&V plan for a lighting retrofit utilizing a "best practice" approach, and to provide guidance to site owners, contractors, and other involved organizations on what is essential for a robust M&V plan for lighting projects. This document provides examples of appropriate elements of an M&V plan, including the calculation of expected energy savings. The standard M&V plan, as provided, also allows for consistent comparison with other similar lighting projects. Although intended for lighting retrofit applications, M&V plans developed per this framework document may also be used for other non-lighting technology retrofits and new installations.

  10. Standard Measurement and Verification Plan for Lighting Retrofit Projects for Buildings and Building Sites

    SciTech Connect (OSTI)

    Richman, Eric E.

    2012-10-31

    This document provides a framework for standard measurement and verification (M&V) of lighting retrofit and replacement projects. It was developed to provide site owners, contractors, and other involved organizations with the essential elements of a robust M&V plan for lighting projects. It includes details on all aspects of effectively measuring light levels of existing and post-retrofit projects, conducting power measurement, and developing cost-effectiveness analysis. This framework M&V plan also enables consistent comparison among similar lighting projects, and may be used to develop M&V plans for non--lighting-technology retrofits and new installations.

  11. UNIVERSITT ROSTOCK AMTLICHE BEKANNTMACHUNGEN

    E-Print Network [OSTI]

    Wolkenhauer, Olaf

    O) vom 29. Mai 2006 Aufgrund von § 2 Abs. 1 des Landeshochschulgesetzes (LHG M-V) vom 5. Juli 2002 (GVOBl

  12. Dimensionality reduction by rank preservation Victor Onclinx, John A. Lee, Vincent Wertz, and Michel Verleysen

    E-Print Network [OSTI]

    Verleysen, Michel

    of the IREC Institute and MLG. V.W. and M.V. are with the ICTEAM and MLG. Part of this paper presents research

  13. Estimating the Economic Boost of Marriage for Same-Sex Couples in South Carolina

    E-Print Network [OSTI]

    O’Neill, Justin; Mallory, Christy; Badgett, M.V. Lee

    2014-01-01

    Statistics Summary for South Carolina. Badgett, M.V. Lee &M. Cooke, (2010). “South Carolina Census Snapshot: 2010” (Impact of Travel on South Carolina Counties 2012. ” Scott

  14. LANL: Ion Beam Materials Laboratory

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

    and materials synthesis through ion implantation technology, and radiation damage stud- ies in gases, liquids, and solids. The laboratory's core is a 3.2 MV tandem ion...

  15. Well Completion Report for Corrective Action Unit 443 Central Nevada Test Area Nye County, Nevada

    SciTech Connect (OSTI)

    2009-12-01

    The drilling program described in this report is part of a new corrective action strategy for Corrective Action Unit (CAU) 443 at the Central Nevada Test Area (CNTA). The drilling program included drilling two boreholes, geophysical well logging, construction of two monitoring/validation (MV) wells with piezometers (MV-4 and MV-5), development of monitor wells and piezometers, recompletion of two existing wells (HTH-1 and UC-1-P-1S), removal of pumps from existing wells (MV-1, MV-2, and MV-3), redevelopment of piezometers associated with existing wells (MV-1, MV-2, and MV-3), and installation of submersible pumps. The new corrective action strategy includes initiating a new 5-year proof-of-concept monitoring period to validate the compliance boundary at CNTA (DOE 2007). The new 5-year proof-of-concept monitoring period begins upon completion of the new monitor wells and collection of samples for laboratory analysis. The new strategy is described in the Corrective Action Decision Document/Corrective Action Plan addendum (DOE 2008a) that the Nevada Division of Environmental Protection approved (NDEP 2008).

  16. Technical Report NREL/TP-7A2-48267

    E-Print Network [OSTI]

    -conditioning KIUC Kauai Island Utility Cooperative kWh kilowatt-hour LCOE levelized cost of energy M&V measurement

  17. Opening Remarks, Grid Integration Initiative Overview

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

    Loads Power Systems Integration Lab PV and Grid Simulators Energy Systems Integration Lab Fuel Cells, Electrolyzers Outdoor Test Area EVs, MV equipment Rooftop PV & Wind Energy...

  18. Heat Pump Water Heaters and American Homes: A Good Fit?

    E-Print Network [OSTI]

    Franco, Victor

    2011-01-01

    M.V. Lapsa. 2001. Residential Heat Pump Water Heater (HPWH)Calwell. 2005. Residential Heat Pump Water Heaters: Energyfor Residential Heat Pump Water Heaters Installed in

  19. A Power Reduction Technique Through Dynamic Runtime Algorithm For CMOS VLSI Circuits

    E-Print Network [OSTI]

    Kadry, Syed Md. Jaffrey Al-

    2012-01-01

    200mV . . . . . . . .Standard Cell Leakage Power Comparisonbody Bias . Standard Cell Switching Power Comparison withPower and Delay data for FBB on Basic Cells . . . . . . . . . . . . . .

  20. Downside Risk Constraints and Currency Hedging in International Portfolios: the Asian and Late-2000 Crisis 

    E-Print Network [OSTI]

    Zhou, Ying

    2012-02-14

    The Financial Crisis, indicate that SF portfolio outperforms MV portfolio during most of the times, this result is especially obvious for Indonesian and Thailand....

  1. Organic composition and environmental conditions in mangrove sediments : a key for reconstructing the evolution of theFrench Guiana coast.

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    values (range : 200 to 400mV), due to the oxygen made available by mangrove roots (Sholander et al., 1955

  2. Jeudi 3 octobre 2013 Grid integration of REN

    E-Print Network [OSTI]

    Canet, Léonie

    of Smartgrids Nouredine Hadjsaid, Grenoble INP/ENSE3, laboratoire G2ELAB, CNRS #12;MV/LV 20kV/400V HV/MV 63kV/20 de distribution Opérateur Système Production Transport Distribution SmartGrids Evolution: Value chain and implication SmartGrids value chain Interface des c Interface des c #12;Tools for managing complexity ICT

  3. Published: April 29, 2011 r 2011 American Chemical Society 5025 dx.doi.org/10.1021/es103875d |Environ. Sci. Technol. 2011, 45, 50255031

    E-Print Network [OSTI]

    Chromium Reduction and Electricity Generation from Biocathode Microbial Fuel Cells Liping Huang,, * Xiaolei ' INTRODUCTION A microbial fuel cell (MFC) is a device that extracts energy from wastes and wastewaters through well studied.4 Optimized biocathode potentials of 242 mV and 345 mV have been shown to reduce the time

  4. Review of Methods for Measuring and Verifying Savings from Energy Conservation Retrofits to Existing Buildings 

    E-Print Network [OSTI]

    Haberl, J. S.; Culp, C.

    2003-01-01

    The Measurement & Verification (M&V) process has evolved in the last 15 years to provide a high confidence approach for determining the resulting savings from a variety of retrofits and energy efficiency enhancements. M&V has a dual role. First...

  5. Erste Satzung zur nderung der Prfungsordnung des Masterstudiengangs ,,Health Care Management" an der

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz - LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S. 398)1 , zuletzt geändert durch das Gesetz vom 10. Juli. Februar 2007, der mit Beschluss des Senats vom 3. Mai 2006 gemäß §§ 81 Abs. 7 LHG und 20 Abs. 1 Satz 2 der

  6. Dritte Satzung zur nderung der Studienordnung fr den Masterstudiengang ,,Health Care Management"

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S. 398)1 , das zuletzt durch Artikel 6 des des Senats vom 16. April 2008 gemäß §§ 81 Absatz 7 LHG und 20 Absatz 1 Satz 2 Grundordnung die

  7. Zweite Satzung zur nderung der Studienordnung des Masterstudiengangs ,,Health Care Management" an der

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz - LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S. 398)1 , zuletzt geändert durch Artikel 19 des Geset LHG und 20 Abs. 1 Satz 2 der Grundordnung der Ernst-Moritz-Arndt-Universität Greifswald die Befugnis

  8. Erste Satzung zur nderung der Studienordnung fr den B.A.-Teilstudiengang ,,ffentliches Recht"

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    ­ LHG M-V) vom 5. Juli 2002 (GVOBl. M-V S. 398)1 , zuletzt geändert durch Artikel 19 des Gesetzes vom 10. März 2007, der mit Beschluss des Senats vom 3. Mai 2006 gemäß §§ 81 Abs. 7 LHG und 20 Abs. 1 Satz 2 der

  9. Erste Satzung zur nderung der Prfungs-und Studienordnung fr den Bachelorteilstudiengang

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG M-V) in der Fassung der Bekanntmachung vom 25. Januar 2011 (GVOBl. M-V S. 18), zuletzt-Arndt-Universität Greifswald vom 11. Dezember 2013, der mit Beschluss des Senats vom 18. April 2012 gemäß §§ 81 Absatz 7 LHG M

  10. Erste Satzung zur nderung der Fachprfungsordnung des Masterstudiengangs Health Care Management

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG M- V) in der Fassung der Bekanntmachung vom 25. Januar 2011 (GVOBI. M-V S. 18), zuletzt der mit Beschluss des Senats vom 16. April 2014 gemäß §§ 81 Absatz 7 LHG M-V und 20 Absatz 1 Satz 2

  11. Erste Satzung zur nderung der Studienordnung fr den Bachelorteilstudiengang Geschichte

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    mit § 39 Absatz 1 des Landeshochschulgesetzes (LHG M-V) in der Fassung der Bekanntmachung vom 25 vom 18. April 2012 gemäß §§ 81 Absatz 7 LHG M-V und 20 #12;2 Absatz 1 Satz 2 der Grundordnung der

  12. Erste Satzung zur nderung der Prfungs-und Studienordnung des Masterstudiengangs Biomathematik an der Ernst-Moritz-Arndt-Universitt

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG M-V) in der Fassung der Bekanntmachung vom 25. Januar 2011 (GVOBI. M-V S. 18), zuletzt-Moritz-Arndt-Universität Greifswald vom 10. Juni 2014, der mit Beschluss des Senats vom 16. April 2014 gemäß §§ 81 Absatz 7 LHG M

  13. Erste Satzung zur nderung der Prfungs-und Studienordnung des Masterstudiengangs Mathematik an der Ernst-Moritz-Arndt-Universitt

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    Greifswald, Ernst-Moritz-Arndt-Universität

    -Vorpommern (Landeshochschulgesetz ­ LHG M-V) in der Fassung der Bekanntmachung vom 25. Januar 2011 (GVOBI. M-V S. 18), zuletzt-Moritz-Arndt-Universität Greifswald vom 10. Juni 2014, der mit Beschluss des Senats vom 16. April 2014 gemäß §§ 81 Absatz 7 LHG M

  14. Counting Mountain-Valley Assignments for Flat Folds

    E-Print Network [OSTI]

    Hull, Thomas C.

    Counting Mountain-Valley Assignments for Flat Folds Thomas Hull Department of Mathematics Merrimack), a mountain-valley (MV) assignment is a function f : E {M,V} which indicates which crease lines are con- vex can be thought of as a structural blueprint of the fold.) Creases come in two types: mountain creases

  15. Erosion and Sedimentation on the Carnegie Ridge, Eastern Equatorial Pacific 

    E-Print Network [OSTI]

    Brooks, Caroline Kelly

    2014-11-17

    ? The extent of erosion and re-deposition was studied during the R/V Melville cruise MV1014 from October to November 2010 to compare with geochemical estimates of sediment focusing. The MV1014 cruise acquired geochemical, geological and geophysical data...

  16. www.landesbioscience.com GM Crops and Food: Biotechnology in Agriculture and the Food Chain 1 GM Crops and Food: Biotechnology in Agriculture and the Food Chain 3:4, 1-5; October/November/December 2012; 2012 Landes Bioscience

    E-Print Network [OSTI]

    is a strong constitutive pro- moter, generating high levels of gene expression in dicotyledon- ous plants fam- ily. CaMV was one of first plant DNA viruses to be studied, and its double-stranded circular DNA. The regulatory elements of CaMV have been used since the 1980s to express novel genes in plants;2 specifically

  17. Report of the First Texas National Egg-Laying Contest 

    E-Print Network [OSTI]

    Kazmeier, F. W.

    1919-01-01

    This is the 2003 final report for the U.S. Army Monitoring and Verification (M&V) costs project. The purpose of this project is to develop a M&V Costing Toolkit to be used by the government or third party planners to design ...

  18. CONFERENCE REPORT The Role of Energy in the Emergence of Biology

    E-Print Network [OSTI]

    Steinhoff, Heinz-Jürgen

    and Gas Problems, Russian Academy of Sciences, Gubkina 3, Moscow 119991, Russia M. Y. Galperin :E. V, M.V. Lomonosov Moscow State University, Moscow 119992, Russia M. Y. Chudetsky Institute of Oil, M.V. Lomonosov Moscow State University( Moscow 119992, Russia A. Y. Mulkidjanian (*) School

  19. Complexity-Distortion Tradeoffs in Vector Matching based on Probabilistic Partial Distance Techniques

    E-Print Network [OSTI]

    Ortega, Antonio

    requirements. The SAD of a motion vector mv is defined as S(mv) = (nx,ny)B |It(nx, ny) - It-1(nx + mvx, ny + mvy)| where It(nx, ny) is the intensity level of pixel (nx, ny) at frame t, B is normally the set

  20. CoWare, Inc. 1997-2003 System Level Design Tools

    E-Print Network [OSTI]

    Shinozuka, Masanobu

    , Application- Specific Processors Software Complexity Battery Power Processor Performance Algorithmic ExampleExample ­­ SonySony ·· Sony MicroSony Micro--MV DCR IP7MV DCR IP7 -- First to MarketFirst to Market -- $1699 Retail Price$1699 Retail Price -- Utilized CoWare ·· Panasonic PVPanasonic PV--DC252DC252 -- 7

  1. Wavelets, Self-organizing Maps and Artificial Neural Nets for Predicting Energy Use and Estimating Uncertainties in Energy Savings in Commercial Buildings 

    E-Print Network [OSTI]

    Lei, Yafeng

    2010-01-14

    .............................................. 4 II LITERATURE REVIEW ......................................................................................... 6 Review of DOE IPMVP & FEMP Guideline and ASHRAE Guideline 14..., certification requires the approval of an M&V plan which requires establishing a baseline energy use model to calculate energy savings after implementation of ECMs. Monitoring and verification (M&V) programs such as FEMP (DOE 2000), IPMVP (DOE 2007...

  2. EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH CERN -PS DIVISION

    E-Print Network [OSTI]

    Keil, Eberhard

    for the Compact Linear Collider (CLIC) for an average accelerating gradient above 100 MV/m are electrical Abstract The main performance limits when designing acceler- ating structures for the Compact Linear Collider (CLIC) for an average accelerating gradient above 100 MV/m are electrical breakdown and material

  3. Stellar Rotation Proceedings IAU Symposium No. 215, c 2003 IAU

    E-Print Network [OSTI]

    Owocki, Stanley P.

    magnetic confine- ment parameter', (= B2 eqR2 / Mv), which characterizes the ratio between magnetic field magnetic confinement parameter', (= B2 eqR2 / Mv), which characterizes the ratio between magnetic field. The Effects of Field-Aligned Rotation on the Magnetically Channeled Line-Driven Winds Asif ud-Doula Department

  4. PE, MASc, BSc, BEng, LEED AP Enermodal Engineering Ltd.

    E-Print Network [OSTI]

    Massachusetts at Amherst, University of

    Associates, Inc. #12;Creating energy and resource efficient buildings Agenda Why does it matter? How much energy does my building use? M&V Overview University of Massachusetts Amherst Campus Police Station M&V Case Studies #12;Creating energy and resource efficient buildings Why Lower energy consumption

  5. Naps Systems Oy | Open Energy Information

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  6. Narberth, Pennsylvania: Energy Resources | Open Energy Information

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  7. Nashotah, Wisconsin: Energy Resources | Open Energy Information

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  8. Nashua, New Hampshire: Energy Resources | Open Energy Information

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  9. Nashua, New Hampshire: Energy Resources | Open Energy Information

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  10. Nashville Electric Service NES | Open Energy Information

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  11. Nassau Bay, Texas: Energy Resources | Open Energy Information

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  12. Nassau County, New York: Energy Resources | Open Energy Information

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  13. Nat-Soo-Pah Hot Springs Pool & Spa Low Temperature Geothermal Facility |

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  14. Natchez Trace Elec Power Assn | Open Energy Information

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  15. Natchez, Mississippi: Energy Resources | Open Energy Information

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  16. Natchez, Mississippi: Energy Resources | Open Energy Information

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  17. Natchitoches Parish, Louisiana: Energy Resources | Open Energy Information

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  18. Natec Energy | Open Energy Information

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  19. Nathaniel Group Inc | Open Energy Information

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  20. National Assessment Of Us Geothermal Resources- A Perspective | Open Energy

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  1. National Association of Tribal Historic Preservation Officers website |

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  2. National Association of the Remodeling Industry (NARI) | Open Energy

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  3. National Bald Eagle Management Guidelines | Open Energy Information

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  4. National Center for Appropriate Technology | Open Energy Information

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  5. National City, California: Energy Resources | Open Energy Information

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  6. National Clean Fuels Inc National Wind Solutions Inc | Open Energy

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  7. National Development and Reform Commission | Open Energy Information

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  8. National Energy Commission (China) | Open Energy Information

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  9. National Energy Resource Corporation | Open Energy Information

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  10. National Energy Technology Laboratory | Open Energy Information

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  11. National Environmental Policy Act: Little Information Exists on NEPA

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  12. National Ethanol Vehicle Coalition NEVC | Open Energy Information

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  13. National Grid Generation, LLC | Open Energy Information

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  14. National Lease Financing Services | Open Energy Information

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  15. National Policy Memorandum NPM-TRUS-29: Guidance for the Approval of Tribal

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  16. National Rural Electric Cooperative Association Smart Grid Demonstration

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  17. National Solar Radiation Database 1991Â…2010 Update: User's Manual

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  18. National Technology Enterprises Co | Open Energy Information

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  19. NASA @ APS | Argonne National Laboratory

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  20. NASA is operating two Lockheed ER-2

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

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  1. NASCAR Green Gets First Place in Daytona 500 | Department of Energy

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  2. NATIONAL TRAFFIC SAFETY SUMMIT

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  3. NATIONAL ENERGY TECHNOLOGY LABORATORY Technology Transfer

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  4. NATIONAL ENERGY TECHNOLOGY LABORATORY Technology Transfer NETL Sorbent Technologies

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  5. NATIONAL ENERGY TECHNOLOGY LABORATORY Technology Transfer Novel Platinum/Chromium

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  6. NATIONAL HARBOR, Md.,May 21, 2013-Los Alamos National Laboratory Director

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  7. NA_-_Letter_%5B1211140672%5D_-_1.pdf

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    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMissionStressMoveMuncrief Ames019NAPL10 1- NEVADALLC

  8. NC

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMissionStressMoveMuncrief Ames019NAPL10 1- NEVADALLCNC

  9. NCCC at the PSDF Draft EA 5-21-2014

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMissionStressMoveMuncrief Ames019NAPL10 1-

  10. NCEP:

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMissionStressMoveMuncrief Ames019NAPL10 1-surface net

  11. NCIPO Ex A (Rev. 2.1, 4/9/13) Exhibit A General Conditions

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMissionStressMoveMuncrief Ames019NAPL10 1-surface net1,

  12. NCIPO Ex A (Rev. 2.2, 6/14/13) Exhibit A General Conditions

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMissionStressMoveMuncrief Ames019NAPL10 1-surface

  13. NCIPO Ex A (Rev. 2.3, 8/20/13) Exhibit A General Conditions

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMissionStressMoveMuncrief Ames019NAPL10 1-surface3,

  14. NCIPO Ex A (Rev. 2.4, 8/20/14) Exhibit A General Conditions

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMissionStressMoveMuncrief Ames019NAPL10 1-surface3,4,

  15. NCIPO Ex A (Rev. 2.5, 9/26/14) Exhibit A General Conditions

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMissionStressMoveMuncrief Ames019NAPL10 1-surface3,4,5,

  16. NCIPO Ex A (Rev. 2.6, 3/6/15) Exhibit A General Conditions

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMissionStressMoveMuncrief Ames019NAPL10

  17. NCIPO Ex A (Rev. 2.7, 3/26/15) Exhibit A General Conditions

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMissionStressMoveMuncrief Ames019NAPL107, 3/26/15)

  18. NCIPO Ex A (Rev. 2.8, 11/9/15) Exhibit A General Conditions

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMissionStressMoveMuncrief Ames019NAPL107, 3/26/15)8,

  19. NDA FAQ's | The Ames Laboratory

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMissionStressMoveMuncrief Ames019NAPL107, 3/26/15)8,NDA

  20. NDLGS: Technology to enhance surveillance | Y-12 National Security Complex

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMissionStressMoveMuncrief Ames019NAPL107,

  1. NDRPProtocolTechBasisCompiled020705.doc

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMissionStressMoveMuncrief Ames019NAPL107,Basis Document

  2. Measurement&verification reality check: A yawning gapbetween theory and practice

    SciTech Connect (OSTI)

    Kumar, Satish; Haberl, Jeff; Claridge, David; Turner, Dan; O'Neal, Dennis; Sharp, Terry; Sifuentes, Teresa; Lopez, Felix; Taylor, Dub

    2002-06-01

    The success of an energy efficiency program should bemeasured in terms of the actual energy savings, and not against"stipulated" or estimated energy savings.Although M&V guidelines andprotocols have standardized methods for verifying energy savings accruingfrom the implementation of an energy efficiency project, M&V islargely viewed as a cost center rather than a value proposition. The jurymay still be out on the real value of M&V because it is oftenperceived as very expensive and too technical. This paper will reviewmeasured energy savings data from the Texas LoanSTAR Program and analyzeavailable data and program requirements of Federal and state performancecontracting programs that require some level of M&V to verify energysavings. The intent is to determine the role of M&V in differentprograms and what implications it has on the success or failure of theprograms. The paper concludes with suggestions to use M&V as a riskmanagement tool wherein both the service provider and the customer have avested interest to perform appropriate level of M&V to reduceuncertainty in energy savings in a cost effective manner.

  3. Utility of Megavoltage Fan-Beam CT for Treatment Planning in a Head-And-Neck Cancer Patient with Extensive Dental Fillings Undergoing Helical Tomotherapy

    SciTech Connect (OSTI)

    Yang, Claus; Liu Tianxiao; Jennelle, Richard L.; Ryu, Janice K.; Vijayakumar, Srinivasan; Purdy, James A. [Department of Radiation Oncology, University of California Davis School of Medicine, Sacramento, CA (United States); Chen, Allen M. [Department of Radiation Oncology, University of California Davis School of Medicine, Sacramento, CA (United States)], E-mail: allen.chen@ucdmc.ucdavis.edu

    2010-07-01

    The purpose of this study was to demonstrate the potential utility of megavoltage fan-beam computed tomography (MV-FBCT) for treatment planning in a patient undergoing helical tomotherapy for nasopharyngeal carcinoma in the presence of extensive dental artifact. A 28-year-old female with locally advanced nasopharyngeal carcinoma presented for radiation therapy. Due to the extensiveness of the dental artifact present in the oral cavity kV-CT scan acquired at simulation, which made treatment planning impossible on tomotherapy planning system, MV-FBCT imaging was obtained using the HI-ART tomotherapy treatment machine, with the patient in the treatment position, and this information was registered with her original kV-CT scan for the purposes of structure delineation, dose calculation, and treatment planning. To validate the feasibility of the MV-FBCT-generated treatment plan, an electron density CT phantom (model 465, Gammex Inc., Middleton, WI) was scanned using MV-FBCT to obtain CT number to density table. Additionally, both a 'cheese' phantom (which came with the tomotherapy treatment machine) with 2 inserted ion chambers and a generic phantom called Quasar phantom (Modus Medical Devices Inc., London, ON, Canada) with one inserted chamber were used to confirm dosimetric accuracy. The MV-FBCT could be used to clearly visualize anatomy in the region of the dental artifact and provide sufficient soft-tissue contrast to assist in the delineation of normal tissue structures and fat planes. With the elimination of the dental artifact, the MV-FBCT images allowed more accurate dose calculation by the tomotherapy system. It was confirmed that the phantom material density was determined correctly by the tomotherapy MV-FBCT number to density table. The ion chamber measurements agreed with the calculations from the MV-FBCT generated phantom plan within 2%. MV-FBCT may be useful in radiation treatment planning for nasopharyngeal cancer patients in the setting of extensive dental artifacts.

  4. High-Precision Measurements of the Superallowed Beta+ Decays of 38Ca and 46V 

    E-Print Network [OSTI]

    Park, Hyo-In

    2012-10-19

    half-life measurement due to discriminator threshold or detector voltage. Black/open/grey symbols represent the three discriminator settings, 150 mV/200 mV/250 mV; the three detector biases, 2600V, 2700V and 2800V, are represented by the symbol.... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 13 Measured time-decay spectrum for the total of all data obtained from the ?+ decay of 46V. . . . . . . . . . . . . . . . . . . . . . . . . 54 14 The implantation profiles of 46V (solid line) and 42Sc (dashed line) in and beyond the Mylar tape...

  5. March 2010 Groundwater Sampling at the Project Shoal Site, Nevada (Data Validation Package)

    SciTech Connect (OSTI)

    2011-03-01

    The U.S. Department of Energy Office of Legacy Management conducted annual sampling at the Project Shoal Area (Shoal) in March 2010. Wells HC-4, HC-5, HC-7, HC-8, MV-1, MV-2 and MV-3 were sampled March 10-12, 2010, as specified in the Sampling and Analysis Plan for U.S. Department of Energy Office of Legacy Management Sites (LMS/PLN/S04351, continually updated). Wells HC-1, HC-2, HC-3, and HC-6 were sampled March 24, 2010, by Desert Research Institute personnel.

  6. Zinc/air battery R and D research and development of bifunctional oxygen electrode: Tasks I and II, Final report

    SciTech Connect (OSTI)

    Klein, M.; Viswanathan, S.

    1986-12-01

    Studies were conducted of the bifunctional oxygen electrode. The development of a rechargeable metal-oxygen (air) cell has been hampered to a great extent by the lack of a stable and cost effective oxygen electrode capable of use during both charge and discharge. The first type of bifunctional electrode consists of two distinct catalytifc layers. The oxygen reduction catalyst layer containing a supported gold catalyst is in contact with a hydrophilic nickel layer in which evolution of oxygen takes place. Loadings of gold from 0.5 to 1.0 mg/cm/sup 2/ were investigated; carbon, graphite, metal, and spinel oxides were evaluated as substrates. The second part of the research effort was centered on developing a reversible oxygen electrode containing only one catalytic layer for both reduction and evolution of oxygen. The work was directed specifically to the study of perovskite type of oxides with the composition AA/sup 1/BO/sub 3/ where A is an element of the lanthanide series, A/sup 1/ is an alkaline earth metal and B, a first row transition element. Initial polarization data obtained in unscrubbed air gave a value of approximately 200 millivolts vs Hg/HgO reference electrode at a current density of 50 ma/cm/sup 2/. Electrodes were made both by roll-bonding and by pelletizing techniques and tested for polarization and cycle life. This study also indicates the optimum process conditions for the manufacture of oxides and fabrication of electrodes.

  7. Fundamental measure theory for the electric double layer: implications for blue-energy harvesting and water desalination

    E-Print Network [OSTI]

    Andreas Härtel; Mathijs Janssen; Sela Samin; René van Roij

    2015-03-06

    Capacitive mixing (CAPMIX) and capacitive deionization (CDI) are promising candidates for harvesting clean, renewable energy and for the energy efficient production of potable water, respectively. Both CAPMIX and CDI involve water-immersed porous carbon (supercapacitors) electrodes at voltages of the order of hundreds of millivolts, such that counter-ionic packing is important for the electric double layer (EDL) which forms near the surface of these porous materials. Thus, we propose a density functional theory (DFT) to model the EDL, where the White-Bear mark II fundamental measure theory functional is combined with a mean-field Coulombic and a mean spherical approximation-type correction to describe the interplay between dense packing and electrostatics, in good agreement with molecular dynamics simulations. We discuss the concentration-dependent potential rise due to changes in the chemical potential in capacitors in the context of an over-ideal theoretical description and its impact on energy harvesting and water desalination. Compared to less elaborate mean-field models our DFT calculations reveal a higher work output for blue-energy cycles and a higher energy demand for desalination cycles.

  8. Novel air electrode for metal-air battery with new carbon material and method of making same

    DOE Patents [OSTI]

    Ross, Jr., Philip N. (Kensington, CA)

    1990-01-01

    A novel carbonaceous electrode support material is disclosed characterized by a corrosion rate of 0.03 wt. %/hour or less when measured a5 550 millivolts vs. a Hg/HgO electrode in a 30 wt. % KOH electrolyte a5 30.degree. C. The electrode support material comprises a preselected carbon black material which has been heat-treated by heating the material to a temperature of from about 2500.degree. to about 3000.degree. C. over a period of from about 1 to about 5 hours in an inert atmosphere and then maintaining the preselected carbon black material at this temperature for a period of at least about 1 hour, and preferably about 2 hours, in the inert atmosphere. A carbonaceous electrode suitable for use as an air electrode in a metal-air cell may be made from the electrode support material by shaping and forming it into a catalyst support and then impregnating it with a catalytically active material capable of catalyzing the reaction with oxygen at the air electrode of metal-air cell.

  9. Biosensors and Bioelectronics 22 (2007) 13591367 Large-conductance cholesterolamphotericin B channels

    E-Print Network [OSTI]

    Brinker, C. Jeffrey

    2007-01-01

    , Physiology and Pharmacology, Auburn University, 109 Greene Hall, Auburn, AL 36849, USA b Department of ±200 mV. The channel currents were inhibited by the addition of tetraethylammonium (TEA), potassium

  10. NL3281 Brownian motion 1 NL3281 Brownian motion

    E-Print Network [OSTI]

    Kramer, Peter

    in the relation between the drag force Fdrag and velocity v of the particle in steady state motion (assuming a low Reynolds number): Fdrag = mv. (4) For a sphere of radius a moving through a fluid with dynamic viscosity µ

  11. Industrial Energy Efficiency Technical Review Guidelines and Best Practices 

    E-Print Network [OSTI]

    Dalziel, N.

    2013-01-01

    . Methodology and Scope of Research: 1. Empirical analysis of reported energy savings at the application, reviewed (contracted), measurement and verification (M&V) and evaluation stages for multiple large or industrial incentive programs. a. Assess impact...

  12. Detection of Phonological Features in Continuous Speech using Neural Networks 

    E-Print Network [OSTI]

    King, Simon; Taylor, Paul

    which uses binary features, 2) a multi valued (MV) feature system which uses traditional phonetic categories such as manner, place etc, and 3) Government Phonology (GP) which uses a set of structured primes. All experiments used recurrent neural networks...

  13. Satzung zur nderung der Prfungs-und Studienordnungen der Lehramtsstudiengnge Polnisch Gymnasium und Regionale Schule und

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    des Gesetzes über die Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG M des Senats vom 16. April 2014 gemäß §§ 81 Absatz 7 LHG M-V und 20 Absatz 1 Satz 2 der Grundordnung der

  14. The Faculty of Mathematics and Natural Sciences at the Universityof Rostock, in cooperation with the Leibniz Institute for Catalysis (LIKAT) invites applications for

    E-Print Network [OSTI]

    Wolkenhauer, Olaf

    :ralf.ludwig@uni-rostock.de **** Qualificationsare as per § 58 of the Higher Education Act of the State of Mecklenburg-Vorpommern (LHG M. Theappointmentisoccupiedbythe "BerlinerModell".Theprofessorshipwill befilled according to § 61 LHG M-V as a position

  15. 1. Satzungsnderung zur Prfungs-und Studienordnung fr den Teilstudiengang Geographie im Lehramtsstudiengang Regionale

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    des Gesetzes über die Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG M 2014 der mit Beschluss des Senats vom 16. April 2014 gemäß §§ 81 Absatz 7 LHG M-V und 20 Absatz 1 Satz

  16. Zweite Satzung zur nderung der Studienordnung fr den Studiengang Rechtswissenschaften

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG M-V) in der Fassung der der mit Beschluss des Senats vom 18. April 2012 gemäß §§ 81 Absatz 7 LHG und 20 Absatz 1 Satz 2 der

  17. Erste Satzung zur nderung der Studienordnung fr den Masterstudiengang Skandinavistik

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Absatz 1 des Gesetzes über die Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG vom 20. Juli 2009, der mit Beschluss des Senats vom 16. April 2008 gemäß §§ 81 Absatz 7 LHG M-V und 20

  18. Sechste Satzung zur nderung der Prfungsordnung fr den Diplomstudiengang Betriebswirtschaftslehre

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    . V. m. § 38 Absatz 1 des Landeshochschulgesetzes (LHG M-V) in der Fassung der Bekanntmachung vom 25. April 2014 gemäß §§ 81 Absatz 7 LHG und 20 Absatz 1 Satz 2 der Grundordnung die Befugnis zur Beschluss

  19. Erste Satzung zur nderung der Fachprfungsordnung fr den Masterstudiengang Mathematik

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Absatz 1 des Landeshochschulgesetzes (LHG M-V) in der Fassung der Bekanntmachung vom 25. Januar 2011 vom 04. März 2013, der mit Beschluss des Senats vom 18. April 2012 gemäß §§ 81 Absatz 7 LHG und 20

  20. Dritte Satzung zur nderung der Studienordnung fr den Diplomstudiengang Biomathematik

    E-Print Network [OSTI]

    Greifswald, Ernst-Moritz-Arndt-Universität

    Gesetzes über die Hochschulen des Landes Mecklenburg-Vorpommern (Landeshochschulgesetz ­ LHG M-V) vom 5, der mit Beschluss des Senats vom 3. Mai 2006 gemäß §§ 81 Abs. 7 LHG und 20 Abs. 1 Satz 2 Grundordnung

  1. SU-E-T-423: TrueBeam Small Field Dosimetry Using Commercial Plastic

    Office of Scientific and Technical Information (OSTI)

    system and to compare them to values measured with an IBA CC01 ionization chamber and a Sun Nuclear Edge detector diode for 6 MV photon beams. Methods: The Exradin W1 is a new...

  2. TITLE AUTHORS SUBJECT SUBJECT RELATED DESCRIPTION PUBLISHER AVAILABILI...

    Office of Scientific and Technical Information (OSTI)

    system and to compare them to values measured with an IBA CC01 ionization chamber and a Sun Nuclear Edge detector diode for MV photon beams Methods The Exradin W1 is a new small...

  3. "Title","Creator/Author","Publication Date","OSTI Identifier...

    Office of Scientific and Technical Information (OSTI)

    system and to compare them to values measured with an IBA CC01 ionization chamber and a Sun Nuclear Edge detector diode for 6 MV photon beams. Methods: The Exradin W1 is a new...

  4. Oak Ridge National Laboratory: Recent Accomplishments and Challenges...

    Office of Environmental Management (EM)

    (ORNL) ETTP ORNL Y-12 City of Oak Ridge www.energy.govEM ORNL Scope MV: MSRE Salt Drain Tanks * Bethel Valley D&D and RA scope - 160 facilities - Isotope processing...

  5. Six mathematical gems from the history of Distance Geometry

    E-Print Network [OSTI]

    2015-02-09

    Feb 9, 2015 ... Computers allow the efficient treatment of masses of data, some of which are incomplete and noisy. Many of ..... We only present the proof of the base case where. ?v ? V (mv > ...... University of California, Los Angeles, 2010.

  6. A high-gradient high-duty-factor Rf photo-cathode electron gun

    E-Print Network [OSTI]

    Rimmer, Robert A.; Hartman, Neal; Lidia, Steven M.; Wang, Shaoheng

    2002-01-01

    approximately 13 MV/m, but in the gun cell the fields couldBeam Radius [mm] End of rf gun Uncompensated Compensated 6preliminary analysis of the gun indicates that the fields in

  7. Estimating the Economic Boost of Marriage for Same-Sex Couples in North Carolina

    E-Print Network [OSTI]

    O’Neill, Justin; Mallory, Christy; Badgett, M.V. Lee

    2014-01-01

    Statistics Summary for North Carolina. Badgett, M.V. Lee &Impact of Travel on North Carolina Counties 2012. ” Scott570 U.S. __ (2013). North Carolina Division of Tourism,

  8. External proton beam analysis of plasma facing materials for magnetic confinement fusion applications

    E-Print Network [OSTI]

    Barnard, Harold Salvadore

    2009-01-01

    A 1.7MV tandem accelerator was reconstructed and refurbished for this thesis and for surface science applications at the Cambridge laboratory for accelerator study of surfaces (CLASS). At CLASS, an external proton beam ...

  9. Enhanced Photocatalytic Reduction of Methyl Viologen by Self-Assembling Ruthenium(II)Poly(Pyridyl) Complexes with L-Lysine Containing Side Chains

    E-Print Network [OSTI]

    in some aromatic solvents, has been synthe- sized, and its photosensitized charge separation reaction has quantum yields for MV2+ photoreduction in methanol-toluene (1:1 v/v), in the presence of the sacrificial

  10. SU-E-T-423: TrueBeam Small Field Dosimetry Using Commercial Plastic...

    Office of Scientific and Technical Information (OSTI)

    diode for 6 MV photon beams. Methods: The Exradin W1 is a new small volume near-water equivalent and energy independent PSD manufactured by Standard Imaging, Inc. All...

  11. Alfonso X, Siete Partidas 2.21 De los caballeros

    E-Print Network [OSTI]

    Craddock, Jerry R; Rodríguez-Velasco, Jesús

    2008-01-01

    nombrado senalado nombre asseyalat no seyalatto asseSegamjeto asse-ssegamjeto assesegamietoA-ssentar sse MV6 153v23 assetar se V10 81r28+ asentar=

  12. Fertilizers and Fertilizer Analyses: With the New Law Controlling the Sale of Fertilizers and Poisonous Insecticides in the State. 

    E-Print Network [OSTI]

    Harrington, H. H.

    1899-01-01

    The concept of Measurement and Verification (M&V) of a new building continues to become more important because efficient design alone is often not sufficient to deliver an efficient building. Simulation models that are ...

  13. The Herpes Simplex Virus Type 1 Latency-Associated Transcript Inhibits Phenotypic and Functional Maturation of Dendritic Cells

    E-Print Network [OSTI]

    2012-01-01

    MV, et al. : The herpes simplex virus 1 latency-associatedfunctional exhaustion of virus-specific CD8 + T cells ininfected with herpes simplex virus 1. J Virol 3. Goldwich A,

  14. Alterations in the vimentin cytoskeleton in response to single impact load in an in vitromodel of cartilage damage in the rat

    E-Print Network [OSTI]

    Henson, Frances M D; Vincent, Thea A

    2008-06-24

    articular cartilage: structure and distribution of actin, tubulin, and vimentin fil- aments. J Histochem Cytochem 2000, 48(10):1307-1320. 13. Lee DA, Knight MM, Bolton JF, Idowu BD, Kayser MV, Bader DL: Chondrocyte deformation within compressed agarose con...

  15. Microsoft Word - PAC99 Final Version.doc

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

    of the cathode. A 1 mm accelerating gap was used, with a potential of 1 MV on the cathode. The emitting spot had a radius of .25 mm and the initial transverse and longitudinal...

  16. Public and Institutional Markets for ESCO Services: Comparing Programs, Practices and Prformance

    E-Print Network [OSTI]

    Hopper, Nicole; Goldman, Charles; McWilliams, Jennifer; Birr, Dave; Stoughton McMordie, Kate

    2005-01-01

    ORNL/TM-2002/150, Oak Ridge, TN. IPMVP, 2001. “InternationalFUPWG GAO GSA GHP HVAC IDIQ IPMVP kBtu LBNL M&V MUSH NAESCOand Verification Protocol (IPMVP) was established in 1996 as

  17. Practical Knowledge about Data: Acquisition, Metering, Monitoring, and Management 

    E-Print Network [OSTI]

    Herrin, D.

    2002-01-01

    projects also identify the trends or anomalies in buildings or equipment. M&V projects should adhere to more formal procedures such as the International Performance Measurement and Verifications Protocol (IPMVP). Monitoring and control (alarming...

  18. Better Buildings Alliance, Advanced Rooftop Unit Campaign: Rooftop Unit Measurement and Verification (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2014-09-01

    This document provides facility managers and building owners an introduction to measurement and verification (M&V) methods to estimate energy and cost savings of rooftop units replacement or retrofit projects to estimate paybacks or to justify future projects.

  19. The Economic Value of Marriage for Same-Sex Couples

    E-Print Network [OSTI]

    Badgett, M.V. Lee

    2010-01-01

    a statute prohibiting same-sex marriage). C AL . C ONST .VALUE OF MARRIAGE FOR SAME-SEX COUPLES M.V. Lee Badgett * Tfor Marriage by Same-Sex Couples

  20. Noise removal at the rod synapse of mammalian retina 

    E-Print Network [OSTI]

    van Rossum, Mark; Smith, Robert

    1998-01-01

    Mammalian rods respond to single photons with a hyperpolarization of about 1 mV which is accompanied by continuous noise. Since the mammalian rod bipolar cell collects signals from 20-100 rods, the noise from the converging ...

  1. R/V Kilo Moana The R/V Kilo Moana is a 186' Small Waterplane

    E-Print Network [OSTI]

    ' (Min) RANGE 10,000 NM @ 12 Kts GROSS TONNAGE 3060 IGT, 1407 RGT DISPLACEMENT 2542 LT at 25' draft FUEL Surface Search Radars · TSS, Inc. Model POS/MV 320 · Sperry Marine Decca Bridgemaster E250 · Dual Navigat

  2. Football - 1960-1969 - 47 

    E-Print Network [OSTI]

    Unknown

    2006-09-15

    The amino-terminal 33 amino acids of the baculovirus integral membrane protein, ODV-E66, are sufficient for localization of fusion proteins to viralinduced intranuclear microvesicles (MV) and occlusion derived virus envelopes during infection...

  3. Tax and Fee Payments by Motor-Vehicle Users for the Use of Highways, Fuels, and Vehicles: Report #17 in the series: The Annualized Social Cost of Motor-Vehicle Use in the United States, based on 1990-1991 Data

    E-Print Network [OSTI]

    Delucchi, Mark

    2005-01-01

    Petroleum and motor-vehicle industries paid substantially less corporate incomecorporate income taxes paid in the petroleum, motor-vehicle-income taxes to MV use (106 $)f Low High High 1330* CRUDE PETROLEUM,

  4. NERSC HPSS Client HSI

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

    file permissions, etc. The command set has a UNIX look and feel (e.g. mv, mkdir, rm, cp, cd, etc.) so that moving through your HPSS directory tree is almost identical to what...

  5. Notch regulates the angiogenic response via induction of VEGFR-1

    E-Print Network [OSTI]

    Funahashi, Yasuhiro; Shawber, Carrie J; Vorontchikhina, Marina; Sharma, Anshula; Outtz, Hasina H; Kitajewski, Jan

    2010-01-01

    JK), (F31HL090032-01) (HHO), (5K01DK744629, R01CA136673) (Japan. Authors’ contributions YF, CJS, MV, AS and HHO.performed experiments; HHO, CJS and YF, analyzed results and

  6. AMO FOA Targets Advanced Components for Next-Generation Electric...

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

    program announced up to 20 million is now available to develop a new generation of energy efficient, high power density, high speed integrated MV drive systems for a wide...

  7. Mechanics 1: Week 19 Problem Solutions 1. First, we write down some preliminary quantities. The initial velocity is given by

    E-Print Network [OSTI]

    Kerswell, Rich

    . height 0 + 1 2 mv2 0 = mgzmax + 1 2 m(v0 cos )2 , So, a bit of easy algebra gives: zmax = v2 0 sin2 2g = -2 v2 0 sin2 - 2gz 2g z 0 = t. Working through the algebra, you will find: z = (v0 sin )t - 1 2 gt2 . 2. The energy at the top of the incline is solely potential energy given by: mg sin . The energy

  8. Abstract-A programmable gain and bandwidth first-order low-pass Gm-C filter is proposed, designed, and simulated.

    E-Print Network [OSTI]

    Rincon-Mora, Gabriel A.

    Abstract- A programmable gain and bandwidth first-order low-pass Gm-C filter is proposed, designed resulted in an input-referred offset of less than 0.5 mV and hand-over glitches below 5 mV. Keywords: Gm. Programmability A system-level schematic of the proposed monolithic Gm-C filter is shown in Fig. 1. The underlying

  9. Multipacting in a grooved choke joint at SRF gun for BNL ERL prototype

    SciTech Connect (OSTI)

    Xu, W.; Ben-Zvi, I.; Belomestnykh, S.; Burrill, A.; Holmes, D.; Kayran, D.; McIntyre, G.; Sheehy, B.

    2011-03-28

    The 703 MHz superconducting gun for BNL ERL prototype was tested at JLab with and without choke-joint and cathode stalk. Without choke-joint and cathode stalk, the gradient reached was 25 MV/m with Q{sup 0} {approx} 6E9. The gun cathode insertion port is equipped with a grooved choke joint for multipacting suppression. We carried out tests with choke-joint and cathode stalk. The test results show that there are at least two barriers at about 3.5 MV/m and 5 MV/m. We considered several possibilities and finally found that fine details of the grooved shape are important for multipacting suppression. A triangular groove with round crest may cause strong multipacting in the choke-joint at 3.5 MV/m, 5 MV/m and 10 MV/m. This paper presents the primary test results of the gun and discusses the multipacting analysis in the choke-joint. It also suggests possible solutions for the gun and multipacting suppressing for a similar structure.

  10. Guatemala's Motagua Valley: a neglected piece of the northern Caribbean puzzle

    SciTech Connect (OSTI)

    Johnson, K.R.; Muller, P.D.

    1985-01-01

    The arcuate ENE to WNW-trending Motagua Valley (MV) is the physiographic expression of the Motagua Valley Fault Zone (MFZ), part of the broad transform boundary between the Caribbean and North American plates in Nuclear Central America. The MV also marks a suture formed by Late Cretaceous collapse of a small(.) ocean basin by southward subduction beneath a northward migrating volcanic arc. The arc collided with the southern Yucatan Block (YB) in the Campanian-Maastrichtian. Latest Cretaceous thrusting, crustal downwarping, and flysch sedimentation (Sepur Fm) along the southern YB was followed by Paleogene uplift, initiation of strike-slip faulting, and deposition of continental clastics (Subinal Fm) in and south of the MV. Deposition of the Subinal Fm and coarse Neogene clastics within the MV occurred in pull-apart basins which were and continue to be uplift by transpression along the MFZ. Major (>100 km) Cenozoic sinistral displacement on the Caribbean-North American plate boundary required by the opening of the Cayman Trough is not documented by offset of distinct geological markers on land. The maximum demonstrated sinsitral offset on the MFZ is roughly 20 km, based on inferred separations of Plio-Quaternary alluvial fans from their source areas along the southern margin of the MV. However, large lateral offsets on the MFZ are strongly suggested by the presence of Cenozoic pull-apart basins in the valley, flower structures, and contrasting Cenozoic magmatic history of the basement terranes adjacent to the MV.

  11. Leaching of BTEX from Aged Crude Oil Contaminated Model Soils: Experimental and Modeling Results

    SciTech Connect (OSTI)

    Huesemann, Michael H.; Hausmann, Tom S.; Fortman, Timothy J.

    2005-01-01

    It is generally assumed that soil properties such as organic matter content, porosity, and mineral surface area have a significant effect on the bioavailability and leachability of aged petroleum hydrocarbons. In order to test this hypothesis, nine model soils or sorbents (i.e., fine and coarse quartz sand, montmorillonite and kaolinite clay, peat, 60? and 150? silica gel, a loam soil, and non-porous glass beads) were spiked with a crude oil, aged for 27 months in the laboratory, and transferred to glass columns for the performance of continuous flow leaching experiments. The column effluents were periodically sampled for 43 days and analyzed for BTEX. A one-dimensional flow model for predicting the dissolution and dispersion of individual hydrocarbons from a multi-component NAPL such as crude oil was used to fit the leaching data (i.e., the BTEX concentration versus time curves) by adjusting the equilibrium oil-leachate partitioning coefficient (Kol) for each respective hydrocarbon. The Peclet number, which is a measure of dispersion and a required modeling parameter, was measured in separate chloride tracer experiments for each soil column. Results demonstrate that soil properties did not significantly affect the leaching kinetics of BTEX from the columns. Instead, BTEX leaching curves could be successfully fitted with the one-dimensional NAPL dissolution flow model for all sorbents with the exception of montmorillonite clay. The fitting parameter Kol for each hydrocarbon was found to be similar to the Kol values that were independently measured for the same crude oil by Rixey et al. (Journal of Hazardous Materials B, 65: 137-156, 1999). In addition, the fitted Kol values were very similar for BTEX leaching from aged compared to freshly spiked loam soil. These findings indicate that leaching of BTEX in the aged soils that are contaminated with crude oil at the high concentrations commonly found in the environment (i.e., >20,000 mg/kg) was not affected by soil properties or aging but rather was governed by the equilibrium dissolution of these hydrocarbons from the crude oil NAPL that is coating the soil particles.

  12. Beam generation and planar imaging at energies below 2.40 MeV with carbon and aluminum linear accelerator targets

    SciTech Connect (OSTI)

    Parsons, David; Robar, James L.

    2012-07-15

    Purpose: Recent work has demonstrated improvement of image quality with low-Z linear accelerator targets and energies as low as 3.5 MV. In this paper, the authors lower the incident electron beam energy between 1.90 and 2.35 MeV and assess the improvement of megavoltage planar image quality with the use of carbon and aluminum linear accelerator targets. Methods: The bending magnet shunt current was adjusted in a Varian linear accelerator to allow selection of mean electron energy between 1.90 and 2.35 MeV. Linac set points were altered to increase beam current to allow experimental imaging in a practical time frame. Electron energy was determined through comparison of measured and Monte Carlo modeled depth dose curves. Planar image CNR and spatial resolution measurements were performed to quantify the improvement of image quality. Magnitudes of improvement are explained with reference to Monte Carlo generated energy spectra. Results: After modifications to the linac, beam current was increased by a factor greater than four and incident electron energy was determined to have an adjustable range from 1.90 MeV to 2.35 MeV. CNR of cortical bone was increased by a factor ranging from 6.2 to 7.4 and 3.7 to 4.3 for thin and thick phantoms, respectively, compared to a 6 MV therapeutic beam for both aluminum and carbon targets. Spatial resolution was degraded slightly, with a relative change of 3% and 10% at 0.20 lp/mm and 0.40 lp/mm, respectively, when reducing energy from 2.35 to 1.90 MV. The percentage of diagnostic x-rays for the beams examined here, ranges from 46% to 54%.Conclusion: It is possible to produce a large fraction of diagnostic energy x-rays by lowering the beam energy below 2.35 MV. By lowering the beam energy to 1.90 MV or 2.35 MV, CNR improves by factors ranging from 3.7 to 7.4 compared to a 6 MV therapy beam, with only a slight degradation of spatial resolution when lowering the energy from 2.35 MV to 1.90 MV.

  13. Current transport mechanisms in plasma-enhanced atomic layer deposited AlN thin films

    SciTech Connect (OSTI)

    Altuntas, Halit E-mail: biyikli@unam.bilkent.edu.tr; Ozgit-Akgun, Cagla; Donmez, Inci; Biyikli, Necmi E-mail: biyikli@unam.bilkent.edu.tr

    2015-04-21

    Here, we report on the current transport mechanisms in AlN thin films deposited at a low temperature (i.e., 200?°C) on p-type Si substrates by plasma-enhanced atomic layer deposition. Structural characterization of the deposited AlN was carried out using grazing-incidence X-ray diffraction, revealing polycrystalline films with a wurtzite (hexagonal) structure. Al/AlN/ p-Si metal-insulator-semiconductor (MIS) capacitor structures were fabricated and investigated under negative bias by performing current-voltage measurements. As a function of the applied electric field, different types of current transport mechanisms were observed; i.e., ohmic conduction (15.2–21.5 MV/m), Schottky emission (23.6–39.5 MV/m), Frenkel-Poole emission (63.8–211.8 MV/m), trap-assisted tunneling (226–280 MV/m), and Fowler-Nordheim tunneling (290–447 MV/m). Electrical properties of the insulating AlN layer and the fabricated Al/AlN/p-Si MIS capacitor structure such as dielectric constant, flat-band voltage, effective charge density, and threshold voltage were also determined from the capacitance-voltage measurements.

  14. Influence of acidic pH on hydrogen and acetate production by an electrosynthetic microbiome

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

    LaBelle, Edward V.; Marshall, Christopher W.; Gilbert, Jack A.; May, Harold D.; Battista, John R.

    2014-10-15

    Production of hydrogen and organic compounds by an electrosynthetic microbiome using electrodes and carbon dioxide as sole electron donor and carbon source, respectively, was examined after exposure to acidic pH (~5). Hydrogen production by biocathodes poised at -600 mV vs. SHE increased>100-fold and acetate production ceased at acidic pH, but ~5–15 mM (catholyte volume)/day acetate and>1,000 mM/day hydrogen were attained at pH ~6.5 following repeated exposure to acidic pH. Cyclic voltammetry revealed a 250 mV decrease in hydrogen overpotential and a maximum current density of 12.2 mA/cm2 at -765 mV (0.065 mA/cm2 sterile control at -800 mV) by the Acetobacterium-dominatedmore »community. Supplying -800 mV to the microbiome after repeated exposure to acidic pH resulted in up to 2.6 kg/m3/day hydrogen (?2.6 gallons gasoline equivalent), 0.7 kg/m3/day formate, and 3.1 kg/m3/day acetate ( = 4.7 kg CO2 captured).« less

  15. The Effect of the iBEAM Evo Carbon Fiber Tabletop on Skin Sparing

    SciTech Connect (OSTI)

    Simpson, John B. Godwin, Guy A.

    2011-10-01

    Replicating the attenuation properties of the treatment tabletop are of primary importance for accurate treatment planning; however, the effect of the tabletop on the skin-sparing properties of x-rays can be overlooked. Under some conditions, the reaction of skin to the radiation can be so serious as to be the dose-limiting organ for radiotherapy treatment. Hence, an understanding of the magnitude of the reduction in skin sparing is important. Because of the development of image-guided radiotherapy, modern tabletops have been developed without the use of metal supports that otherwise provided the necessary level of rigidity. Rigidity is instead provided by compressed foam within a carbon-fiber shell, which, although it provides artefact-free imaging and high levels of rigidity, has an adverse affect on the dose in the build-up region. Representative of this type is the iBEAM evo tabletop, whose effect on the skin dose was determined at 6-MV, 10-MV, and 18-MV x-rays. Skin dose was found to increase by 60-70% owing to the tabletop, with the effect increasing with field size and decreasing with energy. By considering an endpoint of erythema, a radiobiological advantage of selecting 10 MV over 6 MV for applicable treatments was demonstrated.

  16. Comparative Simulation Studies of Multipacting in Higher-Order-Mode Couplers of Superconducting RF Cavities

    SciTech Connect (OSTI)

    Li, Y. M. [Peking University, Beijing (China); Thomas Jefferson National Accelerator Facility, Newport News, VA (United States); Liu, Kexin [Peking University, Beijing (China); Geng, Rongli [Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)

    2014-02-01

    Multipacting (MP) in higher-order-mode (HOM) couplers of the International Linear Collider (ILC) baseline cavity and the Continuous Electron Beam Accelerator Facility (CEBAF) 12 GeV upgrade cavity is studied by using the ACE3P suites, developed by the Advanced Computations Department at SLAC. For the ILC cavity HOM coupler, the simulation results show that resonant trajectories exist in three zones, corresponding to an accelerating gradient range of 0.6?1.6 MV/m, 21?34 MV/m, 32?35 MV/m, and > 40MV/m, respectively. For the CEBAF 12 GeV upgrade cavity HOM coupler, resonant trajectories exist in one zone, corresponding to an accelerating gradient range of 6?13 MV/m. Potential implications of these MP barriers are discussed in the context of future high energy pulsed as well as medium energy continuous wave (CW) accelerators based on superconducting radio frequency cavities. Frequency scaling of MP?s predicted in HOM couplers of the ILC, CBEAF upgrade, SNS and FLASH third harmonic cavity is given and found to be in good agreement with the analytical result based on the parallel plate model.

  17. CEBAF Upgrade: Cryomodule Performance And Lessons Learned

    SciTech Connect (OSTI)

    Drury, Michael A.; Davis, G. Kirk; Hogan, John P.; Hovater, J. Curt; King, Lawrence; Marhauser, Frank; Park, HyeKyoung; Preble, Joe; Reece, Charles E.; Rimmer, Robert A.; Wang, Haipeng; Wiseman, Mark A.

    2014-02-01

    The Thomas Jefferson National Accelerator Facility is currently engaged in the 12 GeV Upgrade Project. The goal of the 12 GeV Upgrade is a doubling of the available beam energy of the Continuous Electron Beam Accelerator Facility (CEBAF) from 6 GeV to 12 GeV. This increase in beam energy will be due in large part to the addition of ten C100 cryomodules plus associated new RF in the CEBAF linacs. The C100 cryomodules are designed to deliver 100 MeV per installed cryomodule. Each C100 cryomodule is built around a string of eight seven-cell, electro-polished, superconducting RF cavities. While an average performance of 100MV per cryomodule is needed to achieve the overall 12 GeV beam energy goal, the actual performance goal for the cryomodules is an average energy gain of 108 MV to provide operational headroom. Cryomodule production started in December 2010. All ten of the C100 cryomodules are installed in the linac tunnels and are on schedule to complete commissioning by September 2013. Performance during Commissioning has ranged from 104 MV to 118 MV. In May, 2012 a test of an early C100 achieved 108 MV with full beam loading. This paper will discuss the performance of the C100 cryomodules along with operational challenges and lessons learned for future designs.

  18. Influence of acidic pH on hydrogen and acetate production by an electrosynthetic microbiome

    SciTech Connect (OSTI)

    LaBelle, Edward V.; Marshall, Christopher W.; Gilbert, Jack A.; May, Harold D.; Battista, John R.

    2014-10-15

    Production of hydrogen and organic compounds by an electrosynthetic microbiome using electrodes and carbon dioxide as sole electron donor and carbon source, respectively, was examined after exposure to acidic pH (~5). Hydrogen production by biocathodes poised at -600 mV vs. SHE increased>100-fold and acetate production ceased at acidic pH, but ~5–15 mM (catholyte volume)/day acetate and>1,000 mM/day hydrogen were attained at pH ~6.5 following repeated exposure to acidic pH. Cyclic voltammetry revealed a 250 mV decrease in hydrogen overpotential and a maximum current density of 12.2 mA/cm2 at -765 mV (0.065 mA/cm2 sterile control at -800 mV) by the Acetobacterium-dominated community. Supplying -800 mV to the microbiome after repeated exposure to acidic pH resulted in up to 2.6 kg/m3/day hydrogen (?2.6 gallons gasoline equivalent), 0.7 kg/m3/day formate, and 3.1 kg/m3/day acetate ( = 4.7 kg CO2 captured).

  19. On the determination of reference levels for quality assurance of flattening filter free photon beams in radiation therapy

    SciTech Connect (OSTI)

    Clivio, Alessandro; Belosi, Maria Francesca; Cozzi, Luca; Nicolini, Giorgia; Vanetti, Eugenio; Fogliata, Antonella; Bolard, Grégory; Fenoglietto, Pascal; Krauss, Harald

    2014-02-15

    Purpose: New definitions for some dosimetric parameters for use in quality assurance of flattening filter free (FFF) beams generated by medical linear accelerators have been suggested. The present study aims to validate these suggestions and to propose possible reference levels. Methods: The main characteristics of FFF photon beams were described in terms of: field size, penumbra, unflatness, slope, and peak-position parameters. Data were collected for 6 and 10 MV-FFF beams from three different Varian TrueBeam Linacs. Measurements were performed with a 2D-array (Starcheck system from PTW-Freiburg) and with the portal dosimetry method GLAaS utilizing the build-in portal imager of TrueBeam. Data were also compared to ion chamber measurements. A cross check validation has been performed on a FFF beam of 6 MV generated by a Varian Clinac-iX upgraded to FFF capability. Results : All the parameters suggested to characterize the FFF beams resulted easily measurable and little variation was observed among different Linacs. Referring to two reference field sizes of 10 × 10 and 20 × 20 cm{sup 2}, at SDD = 100 cm and d = dmax, from the portal dosimetry data, the following results (averaging X and Y profiles) were obtained. Field size: 9.95 ± 0.02 and 19.98 ± 0.03 cm for 6 MV-FFF (9.94 ± 0.02 and 19.98 ± 0.03 cm for 10 MV-FFF). Penumbra: 2.7 ± 0.3 and 2.9 ± 0.3 mm for 6 MV-FFF (3.1 ± 0.2 and 3.3 ± 0.3 for 10 MV-FFF). Unflatness: 1.11 ± 0.01 and 1.25 ± 0.01 for 6 MV-FFF (1.21 ± 0.01 and 1.50 ± 0.01 for 10 MV-FFF). Slope: 0.320 ± 0.020%/mm and 0.43 ± 0.015%/mm for 6 MV-FFF (0.657 ± 0.023%/mm and 0.795 ± 0.017%/mm for 10 MV-FFF). Peak Position ?0.2 ± 0.2 and ?0.4 ± 0.2 mm for 6 MV-FFF (?0.3 ± 0.2 and 0.7 ± 0.3 mm for 10 MV-FFF). Results would depend upon measurement depth. With thresholds set to at least 95% confidence level from the measured data and to account for possible variations between detectors and methods and experimental settings, a tolerance set of: 1 mm for field size and penumbra, 0.04 for unflatness, 0.1%/mm for slope, and 1 mm for peak position could be proposed from our data. Conclusions : The parameters proposed for the characterization and routine control of stability of profiles of FFF beams appear to be a viable solution with a strong similarity to the conventional parameters used for flattened beams. The results from three different TrueBeams and the cross-validation against a Clinac-iX suggested the possible generalization of the methods and the possibility to use common tolerances for the parameters. The data showed also the reproducibility of beam characteristics among different systems (of the same vendor) and the resulting parameter values could therefore be possibly generalized.

  20. Solicitation and Selection of Partner Projects, Technical Team Leads, and Measurement and Validation Contractors for the American Recovery and Reinvestment Act (ARRA) Funded Commercial Building Partnerships (CBP-2)

    SciTech Connect (OSTI)

    Nesse, Ronald J.; Baechler, Michael C.; Iverson, Megan M.

    2010-09-30

    In March 2010, Pacific Northwest National Laboratory (PNNL) joined two other labs receiving ARRA funding, Lawrence Berkeley National Laboratory (LBNL) and the National Renewable National Laboratory (NREL), to began weekly conference calls with the goal of coordinating a joint lab solicitation to support the ARRA-funded CBP project. Two solicitations were identified for: 1) new CBP Partners; 2) technical contractors to provide technical assistance and measurement and verification (M&V) contractors. The M&V contractors support the work by providing model reviews and conducting monitoring studies to verify building performance. This report documents the process used by the labs for the solicitations, and describes the process and outcomes for PNNL, selection of candidate Partners, technical teams, and M&V contractors.

  1. Renewable Energy and the International Performance Measurement and Verification Protocol

    SciTech Connect (OSTI)

    Walker, A.; Thompson, A.; Mills, D.; Kats, G. H.

    1999-04-14

    The Renewables Subcommittee for the International Performance Measurement and Verification Protocol (IPMVP) is developing a section of the IPMVP treating the special issues related to performance measurement of renewable energy systems. An industry consensus framework for measuring project benefits is important in realizing the promise of renewable energy. This work represents a voluntary, consensus-building process among sponsoring organizations from 21 countries and several disciplines. Measurement and Verification (M&V) can provide a common tool for standardization to support performance-based contracting, financing, and emissions trading. M&V can ensure that savings and generation requirements in energy projects will be achieved accurately and objectively. The protocol defines procedures that are consistently applicable to similar projects, internationally accepted, and reliable. Actual M&V project results can demonstrate success and provide developers, investors, lenders, and customers with more confidence in the value of future projects.

  2. Performance of 3-cell Seamless Niobium cavities

    SciTech Connect (OSTI)

    Kneisel, Peter K. [JLAB; Ciovati, Gianluigi [JLBA; Jelezov, I. [DESY, Hamburg; Singer, W. [DESY, Hamburg; Singer, X. [DESY, Hamburg

    2009-11-01

    In the last several months we have surface treated and cryogenically tested three TESLA-type 3-cell cavities, which had been manufactured at DESY as seamless assemblies by hydroforming. The cavities were completed at JLab with beam tube/flange assemblies. All three cavities performed very well after they had been post-purified with titanium at 1250C for 3 hrs. The cavities, two of which consisted of an end cell and 2 center cells and one was a center cell assembly, achieved gradients of Eacc = 32 MV/m, 34 MV/m and 35 MV/m without quenches. The performance was limited by the appearance of the “Q-drop” in the absence of field emission. This contribution reports about the various measurements undertaken with these cavities.

  3. Percutaneous Mitral Valve Dilatation: Single Balloon versus Double Balloon - A Finite Element Study

    SciTech Connect (OSTI)

    Schievano, Silvia; Kunzelman, Karyn; Nicosia, Mark; Cochran, R. P.; Einstein, Daniel R.; Khambadkone, Sachin; Bonheoffer, Philipp

    2009-01-01

    Background: Percutaneous mitral valve (MV) dilatation is performed with either a single balloon (SB) or double balloon (DB) technique. The aim of this study was to compare the two balloon system results using the finite element (FE) method. Methods and Results: An established FE model of the MV was modified by fusing the MV leaflet edges at commissure level to simulate a stenotic valve (orifice area=180mm2). A FE model of a 30mm SB (low-pressure, elastomeric balloon) and an 18mm DB system (high-pressure, non-elastic balloon) was created. Both SB and DB simulations resulted in splitting of the commissures and subsequent stenosis dilatation (final MV area=610mm2 and 560mm2 respectively). Stresses induced by the two balloon systems varied across the valve. At the end of inflation, SB showed higher stresses in the central part of the leaflets and at the commissures compared to DB simulation, which demonstrated a more uniform stress distribution. The higher stresses in the SB analysis were due to the mismatch of the round balloon shape with the oval mitral orifice. The commissural split was not easily accomplished with the SB due to its high compliance. The high pressure applied to the DB guaranteed the commissural split even when high forces were required to break the commissure welds. Conclusions: The FE model demonstrated that MV dilatation can be accomplished by both SB and DB techniques. However, the DB method resulted in higher probability of splitting of the fused commissures and less damage caused to the MV leaflets by overstretching.

  4. Noise suppression in reconstruction of low-Z target megavoltage cone-beam CT images

    SciTech Connect (OSTI)

    Wang Jing; Robar, James; Guan Huaiqun

    2012-08-15

    Purpose: To improve the image contrast-to-noise (CNR) ratio for low-Z target megavoltage cone-beam CT (MV CBCT) using a statistical projection noise suppression algorithm based on the penalized weighted least-squares (PWLS) criterion. Methods: Projection images of a contrast phantom, a CatPhan{sup Registered-Sign} 600 phantom and a head phantom were acquired by a Varian 2100EX LINAC with a low-Z (Al) target and low energy x-ray beam (2.5 MeV) at a low-dose level and at a high-dose level. The projections were then processed by minimizing the PWLS objective function. The weighted least square (WLS) term models the noise of measured projection and the penalty term enforces the smoothing constraints of the projection image. The variance of projection data was chosen as the weight for the PWLS objective function and it determined the contribution of each measurement. An anisotropic quadratic form penalty that incorporates the gradient information of projection image was used to preserve edges during noise reduction. Low-Z target MV CBCT images were reconstructed by the FDK algorithm after each projection was processed by the PWLS smoothing. Results: Noise in low-Z target MV CBCT images were greatly suppressed after the PWLS projection smoothing, without noticeable sacrifice of the spatial resolution. Depending on the choice of smoothing parameter, the CNR of selected regions of interest in the PWLS processed low-dose low-Z target MV CBCT image can be higher than the corresponding high-dose image.Conclusion: The CNR of low-Z target MV CBCT images was substantially improved by using PWLS projection smoothing. The PWLS projection smoothing algorithm allows the reconstruction of high contrast low-Z target MV CBCT image with a total dose of as low as 2.3 cGy.

  5. Fundamental Research in Superconducting RF Cavity Design

    SciTech Connect (OSTI)

    Georg Hoffstaetter

    2012-11-13

    This is a 3-year SRF R&D proposal with two main goals: 1) to benefit near term high gradient SRF applications by understanding the causes of quench at high fields in present-day niobium cavities 2) to open the long-range prospects for SRF applications by experimentally verifying the recent exciting theoretical predication for new cavity materials such as Nb3Sn and MgB2. These predictions shwo that ultimately gradients of 100Mv/m to 200MV/m may become possible as material imperfections are overcome.

  6. Sparse LU Factorization for Large Circuit Matrices on Heterogenous Parallel Computing Platforms 

    E-Print Network [OSTI]

    Belsare, Aditya Sanjay

    2014-05-27

    random sparse matrix, with a sparsity of 0.25 and n=30,000 for our tests. Figure 4.1 shows GFlops versus the number 29 Table 4.2: Performance of parallel SpMV operations for COO, CSC and CSR sparse matrix formats COO (unsorted) CSC CSR Xeon E5-1620 0... NOMENCLATURE CSR Compressed Sparse Row CSC Compressed Sparse Column COO Coordinate Format N,n Order of Matrix NNZ Number of Non-zeros SpMV Sparse Matrix Vector Multiplication BTF Block Triangular Form AMD Approximate Minimum Degree v TABLE OF CONTENTS Page...

  7. Vertical and horizontal test results of 3.9-GHz accelerating cavities at FNAL

    SciTech Connect (OSTI)

    Khabiboulline, T.; Edwards, H.; Foley, M.; Harms, E.; Hocker, James Andrew; Mitchell, D.; Rowe, A.; Solyak, N.; /Fermilab

    2008-06-01

    The 3rd harmonic 3.9GHz accelerating cavity was proposed to improve the beam performance of the VUV FEL, FLASH. In the frame of a collaborative agreement, Fermilab will provide DESY with a cryomodule containing a string of four cavities. Seven 9-cell Nb cavities were tested and six of them did reach accelerating gradient up to 24 MV/m almost twice more than design value of 14 MV/m. Two of these cavities are with new HOM couplers with improved design. In this paper we present all results of the vertical and horizontal tests.

  8. Megavoltage imaging with a photoconductor based sensor

    DOE Patents [OSTI]

    Partain, Larry Dean (Los Altos, CA); Zentai, George (Mountain View, CA)

    2011-02-08

    A photodetector for detecting megavoltage (MV) radiation comprises a semiconductor conversion layer having a first surface and a second surface disposed opposite the first surface, a first electrode coupled to the first surface, a second electrode coupled to the second surface, and a low density substrate including a detector array coupled to the second electrode opposite the semiconductor conversion layer. The photodetector includes a sufficient thickness of a high density material to create a sufficient number of photoelectrons from incident MV radiation, so that the photoelectrons can be received by the conversion layer and converted to a sufficient of recharge carriers for detection by the detector array.

  9. Random variation in rectal position during radiotherapy for prostate cancer is two to three times greater than that predicted from prostate motion

    E-Print Network [OSTI]

    Scaife, J.; Harrison, K.; Romanchikova, M.; Parker, A.; Sutcliffe, M.; Bond, S.; Thomas, S.; Freeman, S.; Jena, R.; Bates, A.; Burnet, N.

    2014-09-16

    that were less superior on the MV scan were defined as negative. The median difference in position when all days and patients were combined was 3mm, with an IQR of 21.5 to 7.5mm. With an MV slice thickness of 6mm, this meant that the IQR showed ,1 slice... thirds. The range was 21.4 to 4.2 mm for the 10 patients, reflecting S in rectal radius between patients. IQR varied between patients (range, 1.8–6.1mm), corresponding to differences in s be- tween patients. Figure 4. (Supporting material.) Boxplot...

  10. Examen Estimation -Detection Mercredi 19 Novembre 2008, 8h00-10h00

    E-Print Network [OSTI]

    Tourneret, Jean-Yves

    ; )] = � nX i=1 xi ! ln - n - nX i=1 ln [xi!] La d´eriv´ee de la log-vraisemblance poss`ede donc l'expression suivante ln [L (x1, ..., xn; )] = 1 nX i=1 xi - n d'o`u ln [L (x1, ..., xn; )] = 0 = 1 n nX i=1 xi-vraisemblance, d'o`u bMV = X = 1 n nX i=1 Xi Cet estimateur est sans biais et de variance Var h bMV i = Var [X1] n

  11. Preliminary PBFA II design

    SciTech Connect (OSTI)

    Johnson, D. L.; VanDevender, J. P.; Martin, T. H.

    1980-01-01

    The upgrade of Sandia National Laboratories particle beam fusion accelerator, PBFA I, to PBFA II presents several interesting and challenging pulsed power design problems. PBFA II requires increasing the PBFA I output parameters from 2 MV, 30 TW, 1 MJ to 4 MV, 100 TW, 3.5 MJ with the constraint of using much of the same PBFA I hardware. The increased PBFA II output will be obtained by doubling the number of modules (from 36 to 72), increasing the primary energy storage (from 4 MJ to 15 MJ), lowering the pulse forming line (PFL) output impedance, and adding a voltage doubling network.

  12. A Procedure for the Performance Evaluation of a New Commercial Building: Part II – Overall Methodology and Comparison of Results 

    E-Print Network [OSTI]

    Song, S.; Haberl, J.S.

    2008-01-01

    Measurement & Verification Protocol (IPMVP 2001, 2003), ASHRAE’s Guideline 14-2002 (ASHRAE 2002), and the Federal Energy Management Program (FEMP 2000) contain M&V methods for existing building retrofits, but include only a general M&V framework and selected... approaches for new buildings (IPMVP 2003). In 1995, the U.S. Green Building Council (USGBC) developed the Lead- ership in Energy & Environmental Design (LEED) program in response to the U.S. market’s demand for a definition of “green buildings” (USGBC 2002...

  13. The Proton-Driven Rotor of ATP Synthase: Ohmic Conductance (10 fS), and Absence of Voltage Gating

    E-Print Network [OSTI]

    Junge, Wolfgang

    The Proton-Driven Rotor of ATP Synthase: Ohmic Conductance (10 fS), and Absence of Voltage Gating portion of F0F1-ATP synthase, F0, translocates protons by a rotary mechanism. Proton conduction by F0. The current-voltage relationship of F0 was linear from 7 to 70 mV. The current was extremely proton

  14. Please cite this article in press as: Gilfillan, S.M.V., et al., He and Ne as tracers of natural CO2 migration up a fault from a deep reservoir. Int. J. Greenhouse Gas Control (2011), doi:10.1016/j.ijggc.2011.08.008

    E-Print Network [OSTI]

    Wilkinson, Mark

    2011-01-01

    in the deep reservoir, can be traced along a fault plane to occur in waters from both groundwater wells2 migration up a fault from a deep reservoir. Int. J. Greenhouse Gas Control (2011), doi:10.1016/j migration up a fault from a deep reservoir Stuart M.V. Gilfillana, , Mark Wilkinsona , R. Stuart Haszeldinea

  15. Josephine studied in Havard (MA) for her BSc and then did her PhD at UCBerkeley, both in Physics. In 2003 she started a postdoctoral

    E-Print Network [OSTI]

    Pouliot, Jean

    , Low-dose megavoltage cone-beam CT for radiation therapy. Int. J. Radiation Oncology Biol. Phys., 61, California, B.A. Physics, 1997, Harvard University. Research Dose Reconstruction with MV Cone Beam.F., Chen J., Xia P. and Pouliot J., Patient Dose for Megavoltage Cone-Beam CT Imaging, Int. J. Radiation

  16. Vacuum Basics & PumpsVacuum Basics & PumpsVacuum Basics & PumpsVacuum Basics & Pumps Ref: CLC notes (JHU)

    E-Print Network [OSTI]

    Liu, Kai

    Vacuum Basics & PumpsVacuum Basics & PumpsVacuum Basics & PumpsVacuum Basics & Pumps Ref: CLC notes (JHU) Some graphs courtesy of KJLesker, Edwards, Veeco #12;I. VacuumI. Vacuum 1 atm= 760 torr = 1.0132 bar = 1.013x105 Pa = 14.7 psi Rough Vacuum (RV) 1 torr ­ 760 torrg ( ) Medium Vacuum (MV) 10-5 torr

  17. igh-dielectricshavebeenactivelypursuedtoreplaceSiO2 asgate insulatorsforsilicondevices1

    E-Print Network [OSTI]

    McEuen, Paul L.

    with advanced gate dielectrics may open a new route to advanced miniature field- effectdevices. Single gates with SiO2 dielectrics18 and electrochemical gates with an aqueous electrolyte solution obtained by annealing the devices in hydrogen exhibit S ~ 90 mV per decade. High voltage gains of up to 60

  18. 2002 Nature Publishing Group nature materials | VOL 1 | DECEMBER 2002 | www.nature.com/naturematerials 241

    E-Print Network [OSTI]

    Ural, Ant

    with advanced gate dielectrics may open a new route to advanced miniature field- effectdevices. Single tungsten gates with SiO2 dielectrics18 and electrochemical gates with an aqueous electrolyte solution obtained by annealing the devices in hydrogen exhibit S ~ 90 mV per decade. High voltage gains of up to 60

  19. Degree List Title UCAS Code Degree Title UCAS Code Degree

    E-Print Network [OSTI]

    Brierley, Andrew

    ­Integrated Information Technology GV51 MA Ancient History­Italian RV31 MA Ancient History­Italian (WIYA) RVHD MA Ancient­Hebrew QV94 MA Art History­Integrated Information Technology GV54 MA Art History­International Relations MV Abroad Ancient History V110 MA Ancient History & Archaeology VV16 MA Ancient History­Art History VVD4 MA

  20. Accelerated Publications Nitrosocyanin, a Red Cupredoxin-like Protein from Nitrosomonas europaea

    E-Print Network [OSTI]

    Hendrich, Mike

    reductase, a nitric oxide reductase, This work was supported by grants to A.B.H. from the Department the ammonia-oxidizing autotrophic bacterium Nitrosomonas europaea, is shown to be a homo-oligomer of 12 kDa Cu, respectively. The reduction potential of NC (85 mV vs SHE) is much lower than those for known cupredoxins

  1. Two-photoelectrode solid-state photoelectrochemical cell

    SciTech Connect (OSTI)

    Sammells, A.F.; Schmidt, S.K.

    1984-09-14

    The solid-state photoelectrochemical cell p-InP/C44H28N4Fe(+3) Porphine, Nafion 117/Nafion 117/(bpy)3Ru(2+), Nafion 117/n-Cds was prepared and given photopotentials in excess of 1100 mV and appears to be a novel approach for not only specialized storage devices but also in specific detector applications.

  2. i i 'i i WWW--i i http://www.icmp.lviv.ua/

    E-Print Network [OSTI]

    migration of 90 Sr, 239 Pu occurs during 8-10 years in near-surface layer of the soil depth up to 5 cm migration in soils and soil waters I.M. Krip, T.V. Shymchuk, P.A. Hlushak, M.V. Tokarchuk Abstract. Numerical modeling of radionuclides migration in the near- surface layer of soil is performed

  3. Cryogenic Test of Double Quarter Wave Crab Cavity for the LHC High Luminosity Upgrade

    E-Print Network [OSTI]

    Xiao, B; Belomestnykh, S; Ben-Zvi, I; Calaga, Rama; Cullen, C; Capatina, Ofelia; Hammons, L; Li, Z; Marques, C; Skaritka, J; Verdú-Andres, S; Wu, Q

    2015-01-01

    A Proof-of-Principle (PoP) Double Quarter Wave Crab Cavity (DQWCC) was designed and fabricated for the Large Hadron Collider (LHC) luminosity upgrade. A vertical cryogenic test has been done at Brookhaven National Lab (BNL). The cavity achieved 4.5 MV deflecting voltage with a quality factor above 3×109 . We report the test results of this design.

  4. Road Map for Studies to Produce Consistent and High Performance SRF Accelerator Structures

    SciTech Connect (OSTI)

    Ganapati Rao Myneni; John F. O’Hanlon

    2007-06-20

    Superconducting Radio Frequency (SRF) accelerator structures made from high purity niobium are becoming the technological choice for a large number of future accelerators and energy recovery LINAC’s (ERL). Most of the presently planned accelerators and ERL requirements will be met with some effort by the current SRF technology where accelerating gradients of about 20 MV/m can be produced on a routine basis with an acceptable yield. However, the XFEL at DESY and the planned ILC require acceleration gradients more than 28 MV/m and 35 MV/m respectively. At the recent ILC meeting at Snowmass (2005) concern was expressed regarding the wide spread in the achieved accelerator gradients and the relatively low yields. For obtaining accelerating gradients of 35 MV/m in SRF accelerator structures consistently, a deeper understanding of the causes for the spread has to be gained and advances have to be made in many scientific and high technology fields, including materials, surface and vacuum sciences, application of reliable processes and procedures, which provide contamination –free surfaces and avoid recontamination and cryogenics related technologies. In this contribution a road map for studies needed to produce consistent and high performance SRF accelerator structures from the needed materials development to clean and non-recontaminating processes and procedures will be presented.

  5. Quick Manual LMS communication setup

    E-Print Network [OSTI]

    Quick Manual LMS communication setup - 1 - © SICK AG · Auto Ident · Germany · All rights reserved Quick Manual for LMS communication setup Hardware setup and measurement mode configuration Version 1.0 June 2001 (HW/MV) #12;Quick Manual LMS communication setup - 2 - © SICK AG · Auto Ident · Germany · All

  6. Battery-assisted and Photovoltaic-sourced Switched-inductor CMOS Harvesting ChargerSupply

    E-Print Network [OSTI]

    Rincon-Mora, Gabriel A.

    Battery-assisted and Photovoltaic-sourced Switched-inductor CMOS Harvesting Charger­Supply Rajiv-scale photovoltaic (PV) cells harness a diminutive fraction of light and artificial lighting avails a small 25 mV at 10 ­ 80 kHz and with 77% ­ 89% efficiency. Index Terms--Harvester, photovoltaic (PV

  7. JOURNALOF NEUROPHYSIOLOGY Vol. 70, No. 1. July 1993. Pi-inted in C!S.A.

    E-Print Network [OSTI]

    Huguenard, John R.

    of Low-Threshold Calcium Current in Thalamic Relay Neurons After Corticectomy JUN-MO CHUNG, JOHN R ( postnatal day 7)) low-threshold transient calcium (T) currents in acutely isolated thalamic relay neurons. At a test voltage of -40 mV, the activation time constant decreased from 4.1 to 3.2 ms (P

  8. Australasian Physical & Engineering Sciences in Medicine Volume 32 Number 4, 2009 SCIENTIFIC NOTE

    E-Print Network [OSTI]

    Yu, Peter K.N.

    is designed for low dose assessment at kilovoltage x-ray energies. Probably the most used film for radiation change of 0.590 ± 0.020 (2SD) for a 1 Gy radiation absorbed dose using 6 MV x-rays when measured for assessment of radiation dose in medical applications. Other film types like, B3 Windose1 (GEX Corporation

  9. THE I TERIOR h V Delaware II

    E-Print Network [OSTI]

    .···.············· Design features of the MV Delaware II Trawler facilities and operation. Longlining operation ·...· Purse seining arrangement Gill netting Other gear Special research vessel features ·· Laboratory spaces )· · Steering system. Fish hold Construction .· iii P a ge 2 3 5 5 6 6 6 6 6 6 6 7 7 7 7 8 8 8 #12;Design

  10. Multipacting-free quarter-wavelength choke joint design for BNL SRF

    SciTech Connect (OSTI)

    Xu, W.; Belomestnykh, S.; Ben-Zvi, I.; Liaw, C. J.; Smith, K.; Than, R.; Tuozzolo, J.; Wang, E.; Weiss, D.; Zaltsman, A.

    2015-05-03

    The BNL SRF gun cavity operated well in CW mode up to 2 MV. However, its performance suffered due to multipacting in the quarter-wavelength choke joint. A new multipacting-free cathode stalk was designed and conditioned. This paper describes RF and thermal design of the new cathode stalk and its conditioning results.

  11. GeV electron beams from a centimetre-scale accelerator

    E-Print Network [OSTI]

    to synchrotron radiation facilities and free-electron lasers, and as modules for high-energy particle physics. Radiofrequency-based accelerators are limited to relatively low accelerating fields (10-50 MV m-1 ), requiring tens to hundreds of metres to reach the multi-GeV beam energies needed to drive radiation sources

  12. Influence of viscoelastic and viscous absorption on ultrasonic wave propagation in cortical bone: application to axial

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    and the surrounding soft tissues are attenuating media, which might affect the radiofrequency signals measured systems and media, 43.20.Mv Waveguides, wave propagation in tubes and ducts, 43.20.Px Transient radiation and scattering, 43.40.Rj Radiation from vibrating structures into fluid media, 43.35.Pt Surface waves in solids

  13. Oxygen and Carbon Isotopes and Coral Growth in the Gulf of Mexico and Caribbean Sea as Environmental and Climate Indicators 

    E-Print Network [OSTI]

    Wagner, Amy Jo

    2011-02-22

    to the Department of Energy Global Change Education Program (GCEP) Graduate Research Environmental Fellowship (GREF) for funding my graduate work and the Texas Sea Grant for providing the funding for this research. Much thanks goes to the crew of the M/V Fling...

  14. FIRST OCCURRENCE OF FOOTPRINTS OF LARGE THERAPSIDS FROM THE UPPER PERMIAN OF

    E-Print Network [OSTI]

    Benton, Michael

    have been found in the Cis-Urals region of European Russia. The foot- print horizon is in Late PermianFIRST OCCURRENCE OF FOOTPRINTS OF LARGE THERAPSIDS FROM THE UPPER PERMIAN OF EUROPEAN RUSSIA, Russia; e-mail: SurkovMV@info.sgu.ru Department of Earth Sciences, University of Bristol, Bristol BS8 1

  15. J Nonlinear Sci (2011) 21: 151191 DOI 10.1007/s00332-010-9080-z

    E-Print Network [OSTI]

    Banaji,. Murad

    2011-01-01

    .A. Zykov Institute of Metal Physics, Urals Division of Russian Academy of Sciences, Ekaterinburg, Russia.M. Kamchatnov Institute of Spectroscopy, Russian Academy of Sciences, Troitsk, Moscow Region, Russia M.V. Pavlov Lebedev Physical Institute, Russian Academy of Sciences, Moscow, Russia S.A. Zykov SISSA, Trieste, Italy S

  16. A single-particle/single-cell microbeam based on an isotopic alpha source

    E-Print Network [OSTI]

    . Randers-Pehrson, D.J. Brenner Columbia University, Radiological Research Accelerator Facility, 136 S-alone; Accelerator 1. Introduction and overall design Columbia UniversityÕs Radiological Research Accelerator Facility (RARAF) is home to a sin- gle-cell/single-particle microbeam based on a 4.2 MV Van de Graaff

  17. Remote Sens. 2012, 4, 950-974; doi:10.3390/rs4040950 Remote Sensing

    E-Print Network [OSTI]

    -02431 Masala, Finland; E-Mails: juha.hyyppa@fgi.fi (J.H.); yu.xiaowei@fgi.fi (X.Y.); antero-00014 Helsinki, Finland; E-Mails: mikko.vastaranta@helsinki.fi (M.V.); markus.holopainen@helsinki.fi (M.H.) 3 School of Science and Technology, Aalto University, FI-00076 Aalto, Finland; E-Mail: hannu

  18. Robust Efficient Frontier Analysis with a Separable Uncertainty Model

    E-Print Network [OSTI]

    2007-11-29

    We consider MV analysis with n risky assets held over a period of time. ..... since it is the pointwise infimum of a family of linear functions. ...... for Circuit & System Solutions award 2003-CT-888, by JPL award I291856, by the Precourt. Institute ...

  19. Compact passive wireless reinforced concrete corrosion initiation sensor that can be installed in existing steel

    E-Print Network [OSTI]

    Boyer, Edmond

    with a resolution of less than 10 mV. The sensor is 25 mm in diameter and is intended to be installed by drilling of reinforcement steel is Cl- ingression from the de-icing salts used extensively to clear snow and ice in winter

  20. Atmos. Chem. Phys., 13, 43394348, 2013 www.atmos-chem-phys.net/13/4339/2013/

    E-Print Network [OSTI]

    Meskhidze, Nicholas

    of fossil fuel combustion aerosols in mixed-phase clouds Y. Yun1,2, J. E. Penner1, and O. Popovicheva3 1Atmospheric and Oceanic Sciences Program, Princeton University/Geophysical Fluid Dynamics Laboratory, 201 Forrestal Road, Princeton, NJ 08540, USA 3D.V. Skobeltsyn Institute of Nuclear Physics, M.V. Lomonosov

  1. A wee bit of Deciphering physics from Bs J/

    E-Print Network [OSTI]

    Edinburgh, University of

    Physics Motivation A wee bit of Theory Extracting Physics MV Studies Summary Deciphering physics from Bs J/ events at LHCb Colin Mclean School of Physics & Astronomy, University of Edinburgh. Heidelberg 19th June 2008 THE U N I V E R S ITY OF E D I N B U R G H 1 / 56 #12;Physics Motivation A wee bit

  2. FISHERY STATISTICS OF THE UNITED STATES

    E-Print Network [OSTI]

    pa%Mv--. FISHERY STATISTICS OF THE UNITED STATES 1965 STATISTICAL DIGEST NO. 59 UNITED STATES, Commissioner Bureau of Commercial Fisheries, H. E. Crowther, Director STATISTICAL DIGEST 59 FISHERY STATISTICS.S. Government Printing Office Washington, D.C. 20402 - Price $4 (Paper Cover) #12;Fishery statistics

  3. OPERATIONAL STATUS OF THE BROOKHAVENNATIONAL LABORATORY ACCELERATOR TEST FACILI'I'S-:c Ratcl~elor, I. Ben-Zvit, I. Bigllott, T.S. Chou. R.C. Fernow, J. Fischer,J. Cellardo, I1.G. Kirk, N. Ku]-ni! 11.

    E-Print Network [OSTI]

    McDonald, Kirk

    . The gun and accelerating systems are initially being driven by a single 30 MW klystron resulting accelerating structure capable of sustaining accelerating fields of several hundred MV/m. The system is shown, a momentum selection and pulse compression system, and two s-band travelling wave accelerators sections

  4. RESEARCH PAPER The strawberry gene FaGAST affects plant growth through

    E-Print Network [OSTI]

    Málaga, Universidad de

    RESEARCH PAPER The strawberry gene FaGAST affects plant growth through inhibition of cell The strawberry (Fragaria3ananassa) FaGAST gene encodes a small protein with 12 cysteine residues conserved in strawberry fruits. Ectopic expression of FaGAST in transgenic Fragaria vesca under the control of the CaMV-35

  5. Growth and field-emission property of tungsten oxide nanotip arrays Jun Zhou, Li Gong, Shao Zhi Deng,a

    E-Print Network [OSTI]

    Wang, Zhong L.

    Growth and field-emission property of tungsten oxide nanotip arrays Jun Zhou, Li Gong, Shao Zhi of 010 . The tungsten oxide nanotips exhibit excellent field-emission properties with a low threshold field for an emission current density of 10 mA/cm2 4.37 MV/m and uniform emission from the entire arrays

  6. DEPARTMENT OF ECONOMICS AND FINANCE COLLEGE OF BUSINESS AND ECONOMICS

    E-Print Network [OSTI]

    Hickman, Mark

    prices, and prices of gasoline and heating oil traded on the New York Mercantile Exch: This paper examines the market efficiency of oil spot and futures prices by using both mean-variance (MV of crude oil prices, oil futures have become one of the most popular derivatives to hedge the risk of oil

  7. Quantum Mechanics Summary/Review Spring 2009 Compton Lecture Series

    E-Print Network [OSTI]

    Quantum Mechanics Summary/Review Spring 2009 Compton Lecture Series: From Quantum Mechanics one component at a time. · Planck's constant determines the scale at which quantum mechanical effects could get rid of quantum mechanical effects ­ The "wavelength" of particles given by h mv would all

  8. Curriculum Vitae PAOLO D'ODORICO

    E-Print Network [OSTI]

    D'Odorico, Paolo

    ­ Piezometerhöhe (hydraulic head) h: Potential 11 Definition der Piezometerhöhe h aus Fitts, 2002. Groundwater Science, Academic Press Totale Energie auf Höhe z: 21 E pV mgz mv 2 = + + E p h z mg g = = + Energie.: hydraulic head 12 Hydraulischer Head und Aquifertypen aquifer aquitard impermeable permeable unsaturated

  9. A Science _Service Feature 7 WHY TEWEATmR 7

    E-Print Network [OSTI]

    the quality as W e l l as qua. Light of short wave lengths, such as blue and ultra-violet Tne smoke cloud of the solar radiation dl' Cloudiness frequently reduses the daytime illumination t With a completely overcast of sunlight. suffers more loss i n passing through a hazy atmosphere than does light of long mv(+ '.@ngths

  10. Q0 Improvement of Large-Grain Multi-Cell Cavities by Using JLab's Standard ILC EP Processing

    SciTech Connect (OSTI)

    Geng, R. L. [Thomas Jefferson National Accelerator Facility, Newport News, VA (United States); Eremeev, G. V. [Thomas Jefferson National Accelerator Facility, Newport News, VA (United States); Kneisel, P. [Thomas Jefferson National Accelerator Facility, Newport News, VA (United States); Liu, K. X. [IHIP, Peking University, Beijing (China); Lu, X. Y. [IHIP, Peking University, Beijing (China); Zhao, K. [IHIP, Peking University, Beijing (China)

    2011-07-01

    As reported previously at the Berlin workshop, applying the JLab standard ILC electropolishing (EP) recipe on previously buffered chemical polishing (BCP) etched fine-grain multi-cell cavities results in improvement both in gradient and Q{sub 0}. We recently had the opportunity to experiment with two 1300 MHz 9-cell large-gain niobium cavities manufactured by JLab and Peking University. Both cavities were initially BCP etched and further processed by using JLab's standard ILC EP recipe. Due to fabrication defects, these two cavities only reached a gradient in the range of 20-30 MV/m. Interestingly both cavities demonstrated significant Q{sub 0} improvement in the gradient range of 15-20 MV/m. At 2K, a Q{sub 0} value of 2E10 is achieved at 20 MV/m. At a reduced temperature of 1.8K, a Q{sub 0} value of 3E10 is achieved at 20 MV/m. These results suggest that a possible path for obtaining higher Q{sub 0} in the medium gradient range is to use the large-grain material for cavity fabrication and EP and low temperature bake for cavity processing.

  11. Technologies Harold Kirk

    E-Print Network [OSTI]

    McDonald, Kirk

    Front End Technologies Harold Kirk Brookhaven National Laboratory February 19, 2014 #12;The Front/Cooling talks to follow) Harold Kirk, BNL | DOE Review of MAP (FNAL, February 19-20, 2014)February 19, 2014 2 for Buncher/Rotator ­ 325 MHz with 20 MV/m in B 2T field Harold Kirk, BNL | DOE Review of MAP (FNAL, February

  12. Status of the SUNY superconducting RFQ

    SciTech Connect (OSTI)

    Jain, A.; Ben-Zvi, I.; Paul, P.; Wang, H. (Brookhaven National Lab., Upton, NY (United States)); Lombardi, A. (Istituto Nazionale di Fisica Nucleare, Legnaro (Italy). Lab. Nazionale di Legnaro)

    1991-01-01

    A RFQ resonator is presently being developed at SUNY. This resonator is a prototype for a chain of six short ({approximately}0.5m long), superconducting (Pb plated Cu), 50 MHz resonators designed to accelerate beam from {beta} = 0.01 to 0.05. The chain accepts a prebunched beam to save on superconducting length. The resonators are of four-rods type with vane-like electrodes. The prototype resonator is designed to accelerate ions of q/A = 1/6 from {beta} = 0.030 to 0.036, operating at a peak surface electric field of 16 MV/m. The electrodes have a rather high modulation parameter of 4 and a wide aperture of 1.57 cm radius. These values are chosen to maximize the accelerating field (E{sub a}) for a given peak surface electric field (E{sub s}). At the design value of E{sub s} = 16 MV/m, the resonator is estimated to have E{sub a} = 2.0 MV/m, stored energy of 4 J, peak surface magnetic field of 360 Gauss, and inter-vane voltage of 0.42 MV. Results of RF tests on this prototype resonator will be presented. 7 refs., 3 figs.

  13. Transactions of the Korean Nuclear Society Autumn Meeting Pyeongchang, Korea, October 30-31, 2014

    E-Print Network [OSTI]

    System) in Korean nuclear power plants. Recently, there have been attempted to implement the software nuclear power plant in order to provide the efficiency of the proposed formal verification technique translates EDIF to BLIF-MV. A case study with Verilog examples of a Korean nuclear power plant is presented

  14. Design Methodology for Single Electron Based Building Blocks Cor Meenderinck Casper Lageweg Sorin Cotofana

    E-Print Network [OSTI]

    Cotofana, Sorin

    . During the presentation we use a Move k electron (MV ke) block as a discussion vehicle but the approach of power consumption and scalability. A promising alternative is Single Electron Tunneling (SET) technology electron at a time, if it reduces the amount of energy in the system. Tunneling through a junction becomes

  15. Design Methodology for Single Electron Based Building Blocks Cor Meenderinck Casper Lageweg Sorin Cotofana

    E-Print Network [OSTI]

    Cotofana, Sorin

    . During the presentation we use a Move k electron (MV ke) block as a discussion vehicle but the approach of power consumption and scalability. A promising alternative is Single Electron Tunneling (SET) technology, if it reduces the amount of energy in the system. Tunneling through a junction becomes possible when

  16. PREDICTING VOLTAGE DROOPS USING RECURRING PROGRAM

    E-Print Network [OSTI]

    Brooks, David

    ($200 mV for a nominal volt- age of 1.1 V).1 Such conservative operating voltage margins guarantee VOLTAGE DROOPS USING RECURRING PROGRAM AND MICROARCHITECTURAL EVENT ACTIVITY .......................................................................................................................................................................................................................... SHRINKING FEATURE SIZE AND DIMINISHING SUPPLY VOLTAGE ARE MAKING CIRCUITS MORE SENSITIVE TO SUPPLY VOLTAGE

  17. Transport and charging mechanisms in Ta{sub 2}O{sub 5} thin films for capacitive RF MEMS switches application

    SciTech Connect (OSTI)

    Persano, A.; Quaranta, F.; Martucci, M. C.; Creti, P.; Siciliano, P.; Cola, A. [IMM-CNR, Institute for Microelectronics and Microsystems-Unit of Lecce, National Council of Research, Via Monteroni, I-73100 Lecce (Italy)

    2010-06-15

    The potential of sputtered Ta{sub 2}O{sub 5} thin films to be used as dielectric layers in capacitive radio frequency microelectromechanical system switches is evaluated by investigating two factors of crucial importance for the performance of these devices which are the transport mechanisms and the charging effects in the dielectric layer. We find that Ta{sub 2}O{sub 5} films show good electrical and dielectrical properties for the considered application in terms of a low leakage current density of 4 nA/cm{sup 2} for E=1 MV/cm, a high breakdown field of 4 MV/cm and a high dielectric constant of 32. For electric fields lower than 1 MV/cm the conduction mechanism is found to be variable-range hopping in the temperature range 300-400 K, while nearest-neighbor hopping is observed at higher temperatures. For fields in the range 1-4 MV/cm Poole-Frenkel becomes the dominant conduction mechanism. Current and capacitance transients used to investigate the charging effects show a decay which is well described by the stretched-exponential law, thus providing further insights on capture and emission processes.

  18. Giant Surface-Plasmon-Induced Drag Effect in Metal Nanowires Maxim Durach,1

    E-Print Network [OSTI]

    Stockman, Mark I.

    proved to be very practical for relatively fast detection of picosecond pulses in a wide frequency range in the nanowires, inducing giant THz electromotive force (emf) in the SPP propaga- tion direction. We have found that in thin ($5 nm radius) wires this emf can reach $10 V, with nanolocalized THz fields as high as $1 MV

  19. Effective Implementation of "IPMVP Option C - Whole Building Measurement" Measurement and Verification Plans 

    E-Print Network [OSTI]

    Porter, T.; Weaver, K.; Vaughn, K.

    2005-01-01

    significant reliance on stipulations; private-sector PCs are presumed similar. Recognized M&V guidelines such as ASHRAE 14-P, IPMVP, and FEMP discuss the use of stipulations. Recent changes to the IPMVP and FEMP guidelines resulted in diverging attitudes...

  20. UNITED STATES DEPARTMENT OF THE INTERIOR, Fred A.' Seaton, ,Secretary FISH AND WILDLIFE SERVICE, Arnie J. Suomela, Commissioner

    E-Print Network [OSTI]

    MvOll:US pelamis), little tunny (E1£thynnus yaito), and frigate maekerel (A1£xi.~ thazard Skipjack (Katsuwonus pelamis) .. .. _.. .. ______ 40 Little tunny (Euthynnus yaito of distribution .. "___ __ __ ____ 57 Latitudinal distribution of Katsuwon·u.~ pelamis and Neothu.n- nus mac

  1. Monitoring and Verification Procedures Used in the Texas LoanSTAR and Rebuild America Programs 

    E-Print Network [OSTI]

    Farouz, S.; Baltazar-Cervantes, J. C.; Haberl, J. S.; Claridge, D. E.

    2001-01-01

    The monitoring and verification procedures that have been developed for the Texas LoanSTAR program and the ESL's Rebuild America Program have become a foundation for a number of other state and federal M&V programs, including the United States...

  2. ITER Project Progress Graeme Murdoch

    E-Print Network [OSTI]

    fabrication is progressing well in Korea 3/12/15 FESAC/Murdoch 15 Manufacturing of vacuum vessel sector 6 An ultra-compact DC 1.3 MV testing power supply for the neutral beam injection system. Photo: JA DA technology established and manufacture of TF coils is well underway in Japan 3/12/15 FESAC/Murdoch 14 · JA DA

  3. Single Inductor, Multiple Input, Multiple Output (SIMIMO) Power MixerChargerSupply System

    E-Print Network [OSTI]

    Rincon-Mora, Gabriel A.

    nested hysteretic- mode dual-loop control architecture, regulating both the fuel cell current-charger-supply system is therefore proposed for a hybrid fuel cell­lithium ion source. The SIMIMO system adopts a novel and simulated, regulating the fuel cell current to 10mA and output voltage to 1.8V within ±20mV. Categories

  4. WILLIAMS ET AL. VOL. 6 ' NO. 7 ' 61856196 ' 2012 www.acsnano.org

    E-Print Network [OSTI]

    of excitonic photovoltaic devices are dye-sensitized solar cells (DSSCs),1À6 especially those modeled after are ca. 12.3%,9 about a third of the theoretical limit of 32% for a single junction cell in the absence operating at the peak power point generate photovoltages of slightly less than 800 mV. All else being equal

  5. Amorphous silicon/crystalline silicon heterojunctions: The future of high-efficiency silicon solar cells

    E-Print Network [OSTI]

    Firestone, Jeremy

    ;5 Record efficiencies #12;6 Diffused-junction solar cells Diffused-junction solar cell Chemical passivation to ~650 mV #12;7 Silicon heterojunction solar cells a-Si:H provides excellent passivation of c-Si surface Heterojunction solar cell Chemical passivation Chemical passivation #12;8 Voc and silicon heterojunction solar

  6. 8-Pin DIP, SO-8, MSOP-8 8-Pin DIP, SO-8

    E-Print Network [OSTI]

    Berns, Hans-Gerd

    OPA2137 OPA4137 ® FEATURES q FET INPUT: IB = 5pA q LOW OFFSET VOLTAGE: 1.5mV q WIDE SUPPLY RANGE: ±2 BIAS CURRENT VCM = 0V Input Bias Current IB ±5 ±100 T T pA vs Temperature See Typical Curve T Input

  7. Published Ahead of Print 18 May 2012. 10.1128/AEM.00480-12.

    E-Print Network [OSTI]

    in sediment-type microbial fuel cells (sMFCs) using two different marine sediments and then electrically electrode) but not at 339 mV in minimal media lacking organic sources of energy. Results at these different can be used to store inter- mittently produced renewable energy, such as wind and so- lar energy

  8. Stellar Magnetism C. Neiner and J.-P. Zahn (eds)

    E-Print Network [OSTI]

    Owocki, Stanley P.

    magnetospheres, with em- phasis on the central competition between confinement by the magnetic field vs measurements of plasma trapped by the magnetic field of earth and other planets. But over the years "wind magnetic confinement parameter", B2 R2 / Mv. For large , closed magnetic looops can confine

  9. MAGNETIC CONFINEMENT OF AN EXPANDING LASER-PRODUCED PLASMA M. S. Tillack, S. S. Harilal, F. Najmabadi and J. O'Shay

    E-Print Network [OSTI]

    Najmabadi, Farrokh

    =B2 /8p exceeded both the plasma ram pressure Pr=nMV2 /2 and the thermal pressure Pt=nkT, the jet dimensional jets that became focused and driven un- stable by the field. Even though the magnetic pressure PB's tip velocity was not reduced. The profile of the plasma jet in the plane normal to the magnetic field

  10. Sparse Matrix-Vector Multiply on the Keystone II Digital Signal Processor

    E-Print Network [OSTI]

    Bakos, Jason D.

    Sparse Matrix-Vector Multiply on the Keystone II Digital Signal Processor Yang Gao1,2 , Fan Zhang1 an implementation of sparse matrix-vector multiply (SpMV) on the Texas Instruments (TI) Keystone II architecture. The Keystone II is an eight core Digital Signal Processor (DSP) that offers floating point performance

  11. Electrophysiological Characterization of Chemosensory Neurons from the Mouse Vomeronasal Organ

    E-Print Network [OSTI]

    Corey, David P.

    component was TTX-sensitive (Ki 3.6 nM). The outward K current activates at 30 mV with kinetics 10 times- duction; patch-clamp; voltage-gated channel; cyclic nucleotide-gated channel Chemosensation in terrestrial

  12. Lymphatic trafficking kinetics and near-infrared imaging using star polymer architectures with controlled anionic character

    E-Print Network [OSTI]

    Bagby, Taryn Rochelle; Cai, Shuang; Duan, Shaofeng; Yang, Qiuhong; Thati, Sharadvi; Berkland, Cory J.; Aires, Daniel J.; Forrest, Marcus Laird

    2012-04-22

    with enhanced lymphatic uptake up to a zeta potential of ca. -40 mV; further negative charge did not affect lymphatic uptake. Compared to the 20% acid-conjugate, the 40 to 90% acid-star-polymer conjugates exhibited a 2.5- to 3.5-fold increase in lymphatic uptake...

  13. SU-E-T-110: Development of An Independent, Monte Carlo, Dose Calculation, Quality Assurance Tool for Clinical Trials

    SciTech Connect (OSTI)

    Faught, A; Davidson, S; Kry, S; Ibbott, G; Followill, D; Fontenot, J; Etzel, C

    2014-06-01

    Purpose: To develop a comprehensive end-to-end test for Varian's TrueBeam linear accelerator for head and neck IMRT using a custom phantom designed to utilize multiple dosimetry devices. Purpose: To commission a multiple-source Monte Carlo model of Elekta linear accelerator beams of nominal energies 6MV and 10MV. Methods: A three source, Monte Carlo model of Elekta 6 and 10MV therapeutic x-ray beams was developed. Energy spectra of two photon sources corresponding to primary photons created in the target and scattered photons originating in the linear accelerator head were determined by an optimization process that fit the relative fluence of 0.25 MeV energy bins to the product of Fatigue-Life and Fermi functions to match calculated percent depth dose (PDD) data with that measured in a water tank for a 10x10cm2 field. Off-axis effects were modeled by a 3rd degree polynomial used to describe the off-axis half-value layer as a function of off-axis angle and fitting the off-axis fluence to a piecewise linear function to match calculated dose profiles with measured dose profiles for a 40×40cm2 field. The model was validated by comparing calculated PDDs and dose profiles for field sizes ranging from 3×3cm2 to 30×30cm2 to those obtained from measurements. A benchmarking study compared calculated data to measurements for IMRT plans delivered to anthropomorphic phantoms. Results: Along the central axis of the beam 99.6% and 99.7% of all data passed the 2%/2mm gamma criterion for 6 and 10MV models, respectively. Dose profiles at depths of dmax, through 25cm agreed with measured data for 99.4% and 99.6% of data tested for 6 and 10MV models, respectively. A comparison of calculated dose to film measurement in a head and neck phantom showed an average of 85.3% and 90.5% of pixels passing a 3%/2mm gamma criterion for 6 and 10MV models respectively. Conclusion: A Monte Carlo multiple-source model for Elekta 6 and 10MV therapeutic x-ray beams has been developed as a quality assurance tool for clinical trials.

  14. Use of Quantitative Uncertainty Analysis to Support M&VDecisions in ESPCs

    SciTech Connect (OSTI)

    Mathew, Paul A.; Koehling, Erick; Kumar, Satish

    2005-05-11

    Measurement and Verification (M&V) is a critical elementof an Energy Savings Performance Contract (ESPC) - without M&V, thereisno way to confirm that the projected savings in an ESPC are in factbeing realized. For any given energy conservation measure in an ESPC,there are usually several M&V choices, which will vary in terms ofmeasurement uncertainty, cost, and technical feasibility. Typically,M&V decisions are made almost solely based on engineering judgmentand experience, with little, if any, quantitative uncertainty analysis(QUA). This paper describes the results of a pilot project initiated bythe Department of Energy s Federal Energy Management Program to explorethe use of Monte-Carlo simulation to assess savings uncertainty andthereby augment the M&V decision-making process in ESPCs. The intentwas to use QUA selectively in combination with heuristic knowledge, inorder to obtain quantitative estimates of the savings uncertainty withoutthe burden of a comprehensive "bottoms-up" QUA. This approach was used toanalyze the savings uncertainty in an ESPC for a large federal agency.The QUA was seamlessly integrated into the ESPC development process andthe incremental effort was relatively small with user-friendly tools thatare commercially available. As the case study illustrates, in some casesthe QUA simply confirms intuitive or qualitative information, while inother cases, it provides insight that suggests revisiting the M&Vplan. The case study also showed that M&V decisions should beinformed by the portfolio risk diversification. By providing quantitativeuncertainty information, QUA can effectively augment the M&Vdecision-making process as well as the overall ESPC financialanalysis.

  15. Evaluation of Al{sub 2}O{sub 3}:C optically stimulated luminescence (OSL) dosimeters for passive dosimetry of high-energy photon and electron beams in radiotherapy

    SciTech Connect (OSTI)

    Yukihara, E. G.; Mardirossian, G.; Mirzasadeghi, M.; Guduru, S.; Ahmad, S. [Department of Physics, Oklahoma State University, Stillwater, Oklahoma 74078 (United States); Department of Radiation Oncology, Mount Sinai Comprehensive Cancer Center, Miami Beach, Florida 33140 (United States); Department of Radiation Oncology, University of Oklahoma Health Sciences Center, 825 Northeast 10th Street, OUPB 1430, Oklahoma City, Oklahoma 73104 (United States); Department of Physics, Oklahoma State University, Stillwater, Oklahoma 74078 (United States); Department of Radiation Oncology, University of Oklahoma Health Sciences Center, 825 Northeast 10th Street, OUPB 1430, Oklahoma City, Oklahoma 73104 (United States)

    2008-01-15

    This article investigates the performance of Al{sub 2}O{sub 3}:C optically stimulated luminescence dosimeters (OSLDs) for application in radiotherapy. Central-axis depth dose curves and optically stimulated luminescence (OSL) responses were obtained in a water phantom for 6 and 18 MV photons, and for 6, 9, 12, 16, and 20 MeV electron beams from a Varian 21EX linear accelerator. Single OSL measurements could be repeated with a precision of 0.7% (one standard deviation) and the differences between absorbed doses measured with OSLDs and an ionization chamber were within {+-}1% for photon beams. Similar results were obtained for electron beams in the low-gradient region after correction for a 1.9% photon-to-electron bias. The distance-to-agreement values were of the order of 0.5-1.0 mm for electrons in high dose gradient regions. Additional investigations also demonstrated that the OSL response dependence on dose rate, field size, and irradiation temperature is less than 1% in the conditions of the present study. Regarding the beam energy/quality dependence, the relative response of the OSLD for 18 MV was (0.51{+-}0.48)% of the response for the 6 MV photon beam. The OSLD response for the electron beams relative to the 6 MV photon beam. The OSLD response for the electron beams relative to the 6 MV photon beam was in average 1.9% higher, but this result requires further confirmation. The relative response did not seem to vary with electron energy at d{sub max} within the experimental uncertainties (0.5% in average) and, therefore, a fixed correction factor of 1.9% eliminated the energy dependence in our experimental conditions.

  16. Comments on shielding for dual energy accelerators

    SciTech Connect (OSTI)

    Rossi, M. C.; Lincoln, H. M.; Quarin, D. J.; Zwicker, R. D.

    2008-06-15

    Determination of shielding requirements for medical linear accelerators has been greatly facilitated by the publication of the National Council on Radiation Protection and Measurements (NCRP) latest guidelines on this subject in NCRP Report No. 151. In the present report the authors review their own recent experience with patient treatments on conventional dual energy linear accelerators to examine the various input parameters needed to follow the NCRP guidelines. Some discussion is included of workloads, occupancy, use factors, and field size, with the effects of intensity modulated radiotherapy (IMRT) treatments included. Studies of collimator settings showed average values of 13.1x16.2 cm{sup 2} for 6 MV and 14.1x16.8 cm{sup 2} for 18 MV conventional ports, and corresponding average unblocked areas of 228 and 254 cm{sup 2}, respectively. With an average of 77% of the field area unblocked, this gives a mean irradiated area of 196 cm{sup 2} for the 18 MV beam, which dominates shielding considerations for most dual energy machines. Assuming conservatively small room dimensions, a gantry bin angle of 18 deg. was found to represent a reasonable unit for tabulation of use factors. For conventional 18 MV treatments it was found that the usual treatment angles of 0, 90, 180, and 270 deg. were still favored, and use factors of 0.25 represent reasonable estimates for these beams. As expected, the IMRT fields (all at 6 MV) showed a high degree of gantry angle randomization, with no bin having a use factor in excess of 0.10. It is concluded that unless a significant number of patients are treated with high energy IMRT, the traditional use factors of 0.25 are appropriate for the dominant high energy beam.

  17. Dosimetric characterization of the iBEAM evo carbon fiber couch for radiotherapy

    SciTech Connect (OSTI)

    Smith, David W.; Christophides, Damianos; Dean, Christopher; Naisbit, Mitchell; Mason, Joshua; Morgan, Andrew

    2010-07-15

    Purpose: This study characterizes the dosimetric properties of the iBEAM evo carbon fiber couch manufactured by Medical Intelligence and examines the accuracy of the CMS XiO and Nucletron Oncentra Masterplan (OMP) treatment planning systems for calculating beam attenuation due to the presence of the couch. Methods: To assess the homogeneity of the couch, it was CT scanned at isocentric height and a number of signal intensity profiles were generated and analyzed. To simplify experimental procedures, surface dose and central axis depth dose measurements were performed in a solid water slab phantom using Gafchromic film for 6 and 10 MV photon beams at gantry angles of 0 deg. (normal incidence), 30 deg., and 60 deg. with an inverted iBEAM couch placed on top of the phantom. Attenuation measurements were performed in a cylindrical solid water phantom with an ionization chamber positioned at the isocenter. Measurements were taken for gantry angles from 0 deg. to 90 deg. in 10 deg. increments for both 6 and 10 MV photon beams. This setup was replicated in the XiO and OMP treatment planning systems. Dose was calculated using the pencil beam, collapsed cone, convolution, and superposition algorithms. Results: The CT scan of the couch showed that it was uniformly constructed. Surface dose increased by (510{+-}30)% for a 6 MV beam and (600{+-}20)% for a 10 MV beam passing through the couch at normal incidence. Obliquely incident beams resulted in a higher surface dose compared to normally incident beams for both open fields and fields with the couch present. Depth dose curves showed that the presence of the couch resulted in an increase in dose in the build up region. For 6 and 10 MV beams incident at 60 deg., nearly all skin sparing was lost. Attenuation measurements derived using the ionization chamber varied from 2.7% (0 deg.) to a maximum of 4.6% (50 deg.) for a 6 MV beam and from 1.9% (0 deg.) to a maximum of 4.0% (50 deg.) for a 10 MV beam. The pencil beam and convolution algorithms failed to accurately calculate couch attenuation. The collapsed cone and superposition algorithms calculated attenuation within an absolute error of {+-}1.2% for 6 MV and {+-}0.8% for 10 MV for gantry angles from 0 deg. to 40 deg. Some differences in attenuation were observed dependent on how the couch was contoured. Conclusions: These results demonstrate that the presence of the iBEAM evo carbon fiber couch increases the surface dose and dose in the build up region. The inclusion of the couch in the planning scan is limited by the field of view employed and the couch height at the time of CT scanning.

  18. Hydroforming of elliptical cavities

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

    Singer, W.; Singer, X.; Jelezov, I.; Kneisel, Peter

    2015-02-27

    Activities of the past several years in developing the technique of forming seamless (weldless) cavity cells by hydroforming are summarized. An overview of the technique developed at DESY for the fabrication of single cells and multicells of the TESLA cavity shape is given and the major rf results are presented. The forming is performed by expanding a seamless tube with internal water pressure while simultaneously swaging it axially. Prior to the expansion the tube is necked at the iris area and at the ends. Tube radii and axial displacements are computer controlled during the forming process in accordance with resultsmore »of finite element method simulations for necking and expansion using the experimentally obtained strain-stress relationship of tube material. In cooperation with industry different methods of niobium seamless tube production have been explored. The most appropriate and successful method is a combination of spinning or deep drawing with flow forming. Several single-cell niobium cavities of the 1.3 GHz TESLA shape were produced by hydroforming. They reached accelerating gradients Eacc up to 35 MV/m after buffered chemical polishing (BCP) and up to 42 MV/m after electropolishing (EP). More recent work concentrated on fabrication and testing of multicell and nine-cell cavities. Several seamless two- and three-cell units were explored. Accelerating gradients Eacc of 30–35 MV/m were measured after BCP and Eacc up to 40 MV/m were reached after EP. Nine-cell niobium cavities combining three three-cell units were completed at the company E. Zanon. These cavities reached accelerating gradients of Eacc = 30–35 MV/m. One cavity is successfully integrated in an XFEL cryomodule and is used in the operation of the FLASH linear accelerator at DESY. Additionally the fabrication of bimetallic single-cell and multicell NbCu cavities by hydroforming was successfully developed. Several NbCu clad single-cell and double-cell cavities of the TESLA shape have been fabricated. The clad seamless tubes were produced using hot bonding or explosive bonding and subsequent flow forming. The thicknesses of Nb and Cu layers in the tube wall are about 1 and 3 mm respectively. The rf performance of the best NbCu clad cavities is similar to that of bulk Nb cavities. The highest accelerating gradient achieved was 40 MV/m. The advantages and disadvantages of hydroformed cavities are discussed in this paper.« less

  19. The effects of ionophores and metabolic inhibitors on methanogenesis and energy-related properties of Methanobacterium bryantii

    SciTech Connect (OSTI)

    Jarrell, K.F.; Sprott, G.D.

    1983-08-01

    The effects of numerous ionophores and inhibitors were tested on methane synthesis, intracellular ATP and potassium concentrations, and the proton motive force of the methanogenic archaebacterium Methanobacterium bryantii. M. bryantii had an internal pH near 6.8 (and hence little delta pH during growth) with an electrical potential of --127 mV in growth medium and --105 mV in a pH 6.5 buffer. The study has identified agents which, in M. bryantii, can effectively cause a decline of intracellular ATP (gramicidin, acetylene) and potassium concentrations (gramicidin, nigericin), inhibit methane synthesis (acetylene, gramicidin, nigericin, triphenylmethylphosphonium bromide), eliminate the electrical potential (high extracellular potassium ion concentrations), and dissipate artificially imposed, inside alkaline, pH gradients (monensin, nigericin, carbonyl cyanide m-chlorophenylhydrazone). Carbonyl cyanide m-chlorophenylhydrazone was generally ineffective in media or buffers reduced with cysteine-sulfide but could be effective in cysteine-free solutions reduced with hydrogen sulfide.

  20. High Efficiency Organic Solar Cells: December 16, 2009 - February 2, 2011

    SciTech Connect (OSTI)

    Walker, K.; Joslin, S.

    2011-05-01

    Details on the development of novel organic solar cells incorporating Trimetasphere based acceptors are presented including: baseline performance for Lu-PCBEH acceptor blended with P3HT demonstrated at 4.89% PCE exceeding the 4.5% PCE goal; an increase of over 250mV in Voc was demonstrated for Lu-PCBEH blended with low band gap polymers compared to a comparable C60-PCBM device. The actual Voc was certified at 260mV higher for a low band gap polymer device using the Lu-PCBEH acceptor; and the majority of the effort was focused on development of a device with over 7% PCE. While low current and fill factors suppressed overall device performance for the low band gap polymers tested, significant discoveries were made that point the way for future development of these novel acceptor materials.

  1. Aegean Seals of the Late Bronze Age: Stylistic Groups VII. Concordance

    E-Print Network [OSTI]

    Younger, John G.

    1989-01-01

    Kadmos series Other Publication I 008 MumpsIV 71 I 009M-V L III 48 I 010 I 011- III 48 I 012 I 12III 60 I 013CP Dr II 125 I 014 M-V LII 49 I 015 III 48 I 016 - L I 017Danict III 60 I 018 I 019TethB IV 58 I 020 SqrEye 59 I 021MP Hd VI 69 I... 60 I 106SholdrIII 61 I 108 Buxom III 56 I 109 AyI T3 IV 66 I 110CP LII 124 I 111 lmEye 62 I 112WidEyeIII 56 I 113 PimEye III 55 I 115DotEyeIV 73 I 116 L Dots 68 I 117L ClawIII 60 I 119 Buxom III 55 I 121ColumbVI 59 I 122 RunCav IV 69...

  2. Operational experience with CW high gradient and high QL cryomodules

    SciTech Connect (OSTI)

    Hovater, J. Curt [JLAB; Allison, Trent L. [JLAB; Bachimanchi, Ramakrishna [JLAB; Daly, Edward F. [JLAB; Drury, Michael A. [JLAB; Lahti, George E. [JLAB; Mounts, Clyde I. [JLAB; Nelson, Richard M. [JLAB; Plawski, Tomasz E. [JLAB

    2014-12-01

    The Continuous Electron Beam Accelerator Facility (CEBAF) energy upgrade from 6 GeV to 12 GeV includes the installation of ten new 100 MV cryomodules (80 cavities). The superconducting RF cavities are designed to operate CW at an accelerating gradient of 19.3 MV/m with a QL of 3×107. The RF system employs single cavity control using new digital LLRF controls and 13 kW klystrons. Recently, all of the new cryomodules and associated RF hardware and software have been commissioned and operated in the CEBAF accelerator. Electrons at linac currents up to 10 ?A have been successfully accelerated and used for nuclear physics experiments. This paper reports on the commissioning and operation of the cryomodules and RF system.

  3. Two-klystron Binary Pulse Compression at SLAC

    SciTech Connect (OSTI)

    Farkas, Z.D.; Lavine, T.L.; Menegat, A.; Vlieks, A.E.; Wang, J.W.; Wilson, P.B.

    1993-04-01

    The Binary Pulse Compression system installed at SLAC was tested using two klystrons, one with 10 MW and the other with 34 MW output. By compressing 560 ns klystron pulses into 70 ns, the measured BPC output was 175 MW, limited by the available power from the two klystrons. This output was used to provide 100-MW input to a 30-cell X-band structure in which a 100-MV/m gradient was obtained. This system, using the higher klystron outputs expected in the future has the potential to deliver the 350 MW needed to obtain 100 MV/m gradients in the 1.8-m NLC prototype structure. This note describes the timing, triggering, and phase coding used in the two-klystron experiment, and the expected and measured net-work response to three- or two-stage modulation.

  4. Improved power capacity in a high efficiency klystron-like relativistic backward wave oscillator by distributed energy extraction

    SciTech Connect (OSTI)

    Xiao, Renzhen; Chen, Changhua; Cao, Yibing; Sun, Jun [Science and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi'an 710024 (China)

    2013-12-07

    With the efficiency increase of a klystron-like relativistic backward wave oscillator, the maximum axial electric field and harmonic current simultaneously appear at the end of the beam-wave interaction region, leading to a highly centralized energy exchange in the dual-cavity extractor and a very high electric field on the cavity surface. Thus, we present a method of distributed energy extraction in this kind of devices. Particle-in-cell simulations show that with the microwave power of 5.1?GW and efficiency of 70%, the maximum axial electric field is decreased from 2.26 MV/cm to 1.28 MV/cm, indicating a threefold increase in the power capacity.

  5. Multivariate analysis of remote LIBS spectra using partial least squares, principal component analysis, and related techniques

    SciTech Connect (OSTI)

    Clegg, Samuel M; Barefield, James E; Wiens, Roger C; Sklute, Elizabeth; Dyare, Melinda D

    2008-01-01

    Quantitative analysis with LIBS traditionally employs calibration curves that are complicated by the chemical matrix effects. These chemical matrix effects influence the LIBS plasma and the ratio of elemental composition to elemental emission line intensity. Consequently, LIBS calibration typically requires a priori knowledge of the unknown, in order for a series of calibration standards similar to the unknown to be employed. In this paper, three new Multivariate Analysis (MV A) techniques are employed to analyze the LIBS spectra of 18 disparate igneous and highly-metamorphosed rock samples. Partial Least Squares (PLS) analysis is used to generate a calibration model from which unknown samples can be analyzed. Principal Components Analysis (PCA) and Soft Independent Modeling of Class Analogy (SIMCA) are employed to generate a model and predict the rock type of the samples. These MV A techniques appear to exploit the matrix effects associated with the chemistries of these 18 samples.

  6. PULSE: The Palomar Ultraviolet Laser for the Study of Exoplanets

    E-Print Network [OSTI]

    Baranec, Christoph; Burruss, Rick S; Bowler, Brendan P; van Dam, Marcos; Riddle, Reed; Shelton, J Christopher; Truong, Tuan; Roberts, Jennifer; Milburn, Jennifer; Tesch, Jonathan

    2014-01-01

    The Palomar Ultraviolet Laser for the Study of Exoplanets (PULSE) will dramatically expand the science reach of PALM-3000, the facility high-contrast extreme adaptive optics system on the 5-meter Hale Telescope. By using an ultraviolet laser to measure the dominant high spatial and temporal order turbulence near the telescope aperture, one can increase the limiting natural guide star magnitude for exquisite correction from mV < 10 to mV < 16. Providing the highest near-infrared Strehl ratios from any large telescope laser adaptive optics system, PULSE uniquely enables spectroscopy of low-mass and more distant young exoplanet systems, essential to formulating a complete picture of exoplanet populations.

  7. ELECTROCHEMICAL CORROSION REPORT FOR TANKS 241-AW-103 & 241-AZ-102 & 241-AN-106 & 241-AN-107 & 241-AY-101 & 241-AY-102

    SciTech Connect (OSTI)

    DUNCAN JB

    2007-08-22

    Corrosion rates using supernatant samples retrieved from near the top of the liquid layer were determined for the tanks. Corrosion rates using settled solids (saltcake) were determined. The supernatant samples were tested as received without argon sparging. The settled solid sample segments were extruded under anaerobic condition and kept under a sweep of humidified argon gas during 'the electrochemical corrosion testing. The class of steel used to construct the tank in question was used, and test coupons were allowed to equilibrate for a minimum of 18 hours before a Tafel scan was initiated. The coupons were scanned from -250 mV to +250 mV from the rest or open circuit potential. The corrosion rate is reported along with the corrosion current measurement, open circuit potential, and a chi-square statistic generated by the instrument controlling and analysis algorithm.

  8. Particle Physics at the University of Pittsburgh Summary Report for Proposal Period FY'09-11

    SciTech Connect (OSTI)

    Boudreau, Joe; Dytman, Steven; Mueller, James; Naples, Donna; Paolone, Vittorio; Savinov, Vladimir

    2012-10-01

    Presented is the final summary report for grant DOE-FG02-91ER40646. The HEP group at the University consists of three tasks: B,D and L. Task B supports Pitt's CDF group at the energy frontier which includes Joe Boudreau and Paul Shepard. Work of the group includes Hao Song's thesis on the measurement of the B_c lifetime using exclusive J/psi+pion decays, and an update of the previous B_c semi-leptonic analyses under the supervision of Paul Shepard. Task D supports Pitt's neutrino group at the intensity frontier which includes PIs Dytman, Naples and Paolone. The group also includes postdoctoral research associate Danko, and thesis students Isvan (MINOS), Eberly (Minerva ), Ren (Minerva )and Hansen (T2K). This report summarizes their progress on ongoing experiments which are designed to make significant contributions to a detailed understanding of the neutrino mixing matrix. Task L supports Pitt's ATLAS group at the energy frontier and includes investigators Vladimir Savinov, James Mueller and Joe Boudreau. This group contributed both to hardware (calorimeter electronics, Savinov) and to software (Simulation, Detector Description, and Visualization: Boudreau and Mueller; MC generators: Savinov) and a summary of their progress is presented.

  9. Aluminum Shear Panels for Seismic Protection of Framed Structures: Review of Recent Experimental Studies

    SciTech Connect (OSTI)

    De Matteis, G.; Brando, G. [Dept. of Design, Rehabilitation and Control of Architectural Structures, University of Chieti-Pescara 'G. D'Annunzio', V.le Pindaro, 42--65127 Pescara (Italy); Panico, S.; Mazzolani, F. M. [Dept. of Structural Engineering, University of Naples 'Federico II', P.le Tecchio, 80--80125 Naples (Italy)

    2008-07-08

    An important experimental campaign on pure aluminum shear panels, to develop new devices for the seismic passive protection of buildings, has been recently carried out at the University of Naples 'Federico II' in cooperation with the University 'G. d'Annunzio' of Chieti/Pescara. In particular, several pure aluminum shear panels, suitably reinforced by ribs in order to delay shear buckling in the plastic deformation field, have been tested under cyclic loads. The choice pure aluminium, which is really innovative in the field of civil engineering, is justified by both the nominal low yield strength and the high ductility of such a material, which have been further improved through a proper heat treatment. Two different testing layouts have been adopted. In the former, six 'full bay' pure aluminum shear panels, having in-plane dimensions 1500x1000 mm and thickness of 5 mm, have been taken in consideration. In the latter, four 5 mm thick stiffened bracing type pure aluminum shear panels (BTPASPs) with a square shape of 500 mm side length have been cyclically tested under diagonal load. In the whole several plate slenderness ratios have been considered, allowing the evaluation of the most influential factors on the cyclic performance of system. In the current paper a review of the most important results of these recent experimental activities is provided and discussed.

  10. Sorption of colloids, organics, and metals onto gas-water interfaces: Transport mechanisms and potential remediation technology. 1998 annual progress report

    SciTech Connect (OSTI)

    Wan, J.; Tokunaga, T.K.

    1998-06-01

    'Although contaminant sorption at mineral surfaces has received much recognition as a major mechanism controlling contaminant behavior in subsurface environments, virtually no attention has been given to the possibility of contaminant sorption at gas-water interfaces. Moreover, no effort has yet been advanced to optimize such interactions for the purpose of facilitating in-situ remediation. Gas-water interfaces, unlike water-solid interfaces, are mobile. Therefore, associations of contaminants with gas-water interfaces can be very important not only in subsurface contaminant distributions, but also in contaminant transport, and potentially in remediation. The first objective of this research is to develop a quantitative understanding of interactions between contaminants and gas-water interfaces. The anticipated results will provide insights into the poorly understood phenomenon of contaminant interactions with the gas-water interface, and improve the current conceptual models of contaminant behavior in subsurface environments. The second purpose of this research is to explore the possibility of using surfactant stabilized microbubbles for in-situ remediation. Both pump-and-treat, and air sparging remediation methods are ineffective at displacing contaminants in zones which are advectively inaccessible. Stable microbubbles can migrate beyond preferential flow pathways and enter lower permeability zones by buoyant rise. The microbubbles can deliver oxygen and nutrients for promoting aerobic degradation of organic contaminants, and also deliver surfactants for emulsifying NAPLs.'

  11. Mass transfer and biodegradation of PAH compounds from coal tar. Quarterly technical report, January--March 1993

    SciTech Connect (OSTI)

    Ramaswami, A.; Ghoshal, S.; Luthy, R.G.

    1994-09-01

    This study examines the role of physico-chemical mass transfer processes on the rate of biotransformation of polycyclic aromatic hydrocarbon (PAH) compounds released from non-aqueous phase liquid (NAPL) coal tar present at residual saturation within a microporous medium. A simplified coupled dissolution-degradation model is developed that describes the concurrent mass transfer and biokinetic processes occurring in the system. Model results indicate that a dimensionless Damkohler number can be utilized to distinguish between systems that are mass transfer limited, and those that are limited by biological phenomena. The Damkohler number is estimated from independent laboratory experiments that measure the rates of aqueous phase dissolution and biodegradation of naphthalene from coal tar. Experimental data for Stroudsburg coal tar imbibed within 236 {mu}m diameter silica particles yield Damkohler numbers smaller than unity, indicating, for the particular system under study, that the overall rate of biotransformation of naphthalene is not limited by the mass transfer of naphthalene from coal tar to the bulk aqueous phase. There is a need for investigation of mass transfer for larger particles and/or other PAH compounds, and study of microbial rate-limiting phenomena including toxicity, inhibition and competitive substrate utilization.

  12. SU-E-T-44: Angular Dependence of Surface Dose Enhancement Measured On Several Inhomogeneities Using Radiochromic EBT3 Films

    SciTech Connect (OSTI)

    Jansen, A; Schoenfeld, A; Poppinga, D; Chofor, N; Poppe, B [University of Oldenburg, Oldenburg (Germany); Pius Hospital Oldenburg, Oldenburg (Germany)

    2014-06-01

    Purpose: The quantification of the relative surface dose enhancement in dependence on the angle of incidence and the atomic number Z of the surface material. Methods: Experiments were performed with slabs made of aluminum, titanium, copper, silver, dental gold and lead. The metal slabs with equal sizes of 1.0×8.0×8.8mm{sup 3} were embedded in an Octavius 4D phantom (PTW Freiburg, Germany). Radiochromic EBT3 films were used to measure the surface dose for angles of incidence ranging from 0° to 90°. The setup with the metals slabs at the isocenter was irradiated with acceleration voltages of 6MV and 10MV. Water reference measurements were taken under equal conditions. Results: The surface dose enhancement is highest for angles of incidence below 30° and drops significantly for higher. The surface dose enhancement produced by lead and dental gold at 6MV showed a peak of 65%. At 90°, the surface dose enhancement dropped to 15% for both materials. The surface dose enhancements for silver, copper, titanium and aluminum were 45%, 32%, 22% and 12% at 0°, respectively. At an angle of incidence of 80°, the values dropped to 22%, 18%, 12% und 6%. The values for 10MV were very similar. Lead and dental gold showed peaks of 65% und 60%. Their values dropped to 18% at an angle of 90°. The surface dose enhancements for silver, copper, titanium and aluminum were 45%, 30%, 20% and 8% at 0°. At 80° the values dropped to 30%, 20%, 12% and 5%. A dependence of the magnitude of the surface dose enhancement on the atomic number of the surface material can be seen, which is in consistence with literature. Conclusion: The results show that the surface dose enhancements near implant materials with high Z-values should be taken into consideration in radio therapy, even when the angle of incidence is flat.

  13. Polymer functionalized piezoelectric-FET as humidity/chemical nanosensors Chang Shi Lao, Qin Kuang, and Zhong L. Wanga ,b

    E-Print Network [OSTI]

    Wang, Zhong L.

    in water at pH value of 7.5 is -21 mV, which means that the surface of ZnO NB was negatively charged Fig. 1 on piezoelectric field effect transistor PE-FET is demonstrated. The working principle of the PE-FET relies and harvesting energy from the environment for self-powered nanosystems.10 PE-FET and diodes12 that operate based

  14. Calibration of the AXAFHRC UV/Ion shields at the Osservatorio Astronomico di Palermo G.S.Vaiana: IV UV rejection measurements.

    E-Print Network [OSTI]

    .S.Vaiana: IV ­ UV rejection measurements. M. Barbera 1 , A. Collura 2;1 , A. Dara 1 , S. Serio 1 , M.V. Zombeck conducted UV (300­2500 š A) and FUV/Visible (1900­10000 š A) transmission measurements on the baseline design UV/Ion shields based on Lexan and aluminum. The results of these measurements, here reported, have

  15. Poster — Thur Eve — 18: Cherenkov Emission By High-Energy Radiation Therapy Beams: A Characterization Study

    SciTech Connect (OSTI)

    Zlateva, Y.; El Naqa, I.; Quitoriano, N.

    2014-08-15

    We investigate Cherenkov emission (CE) by radiotherapy beams via radiation dose-versus-CE correlation analyses, CE detection optimization by means of a spectral shift towards the near-infrared (NIR) window of biological tissue, and comparison of CE to on-board MV imaging. Dose-CE correlation was investigated via simulation and experiment. A Monte Carlo (MC) CE simulator was designed using Geant4. Experimental phantoms include: water; tissue-simulating phantom composed of water, Intralipid®, and beef blood; plastic phantom with solid water insert. The detector system comprises an optical fiber and diffraction-grating spectrometer incorporating a front/back-illuminated CCD. The NIR shift was carried out with CdSe/ZnS quantum dots (QDs), emitting at (650±10) nm. CE and MV images were acquired with a CMOS camera and electronic portal imaging device. MC and experimental studies indicate a strong linear dose-CE correlation (Pearson coefficient > 0.99). CE by an 18-MeV beam was effectively NIR-shifted in water and a tissue-simulating phantom, exhibiting a significant increase at 650 nm for QD depths up to 10 mm. CE images exhibited relative contrast superior to MV images by a factor of 30. Our work supports the potential for application of CE in radiotherapy online imaging for patient setup and treatment verification, since CE is intrinsic to the beam and non-ionizing and QDs can be used to improve CE detectability, potentially yielding image quality superior to MV imaging for the case of low-density-variability, low-optical-attenuation materials (ex: breast/oropharynx). Ongoing work involves microenvironment functionalization of QDs and application of multi-channel spectrometry for simultaneous acquisition of dosimetric and tumor oxygenation signals.

  16. A simple method to quantify the coincidence between portal image graticules and radiation field centers or radiation isocenter

    SciTech Connect (OSTI)

    Du Weiliang; Yang, James; Luo Dershan; Martel, Mary

    2010-05-15

    Purpose: The aim of this study was to develop a computerized method to quantify the coincidence between portal image graticules and radiation field centers or radiation isocenter. Three types of graticules were included in this study: Megavoltage (MV) mechanical graticule, MV electronic portal imaging device digital graticule, and kilovoltage (kV) on-board imaging digital graticule. Methods: A metal ball bearing (BB) was imaged with MV and kV x-ray beams in a procedure similar to a Winston-Lutz test. The radiation fields, graticules, and BB were localized in eight portal images using Hough transform-based computer algorithms. The center of the BB served as a static reference point in the 3D space so that the distances between the graticule centers and the radiation field centers were calculated. The radiation isocenter was determined from the radiation field centers at different gantry angles. Results: Misalignments of MV and kV portal imaging graticules varied with the gantry or x-ray source angle as a result of mechanical imperfections of the linear accelerator and its imaging system. While the three graticules in this study were aligned to the radiation field centers and the radiation isocenter within 2.0 mm, misalignments of 1.5-2.0 mm were found at certain gantry angles. These misalignments were highly reproducible with the gantry rotation. Conclusions: A simple method was developed to quantify the alignments of portal image graticules directly against the radiation field centers or the radiation isocenter. The advantage of this method is that it does not require the BB to be placed exactly at the radiation isocenter through a precalibrated surrogating device such as room lasers or light field crosshairs. The present method is useful for radiation therapy modalities that require high-precision portal imaging such as image-guided stereotactic radiotherapy.

  17. High gradient rf gun studies of CsBr photocathodes

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

    Vecchione, Theodore; Maldonado, Juan R.; Gierman, Stephen; Corbett, Jeff; Hartmann, Nick; Pianetta, Piero A.; Hesselink, Lambertus; Schmerge, John F.

    2015-04-03

    CsBr photocathodes have 10 times higher quantum efficiency with only 3 times larger intrinsic transverse emittance than copper. They are robust and can withstand 80 MV/m fields without breaking down or emitting dark current. They can operate in 2×10?? torr vacuum and survive exposure to air. They are well suited for generating high pulse charge in rf guns without a photocathode transfer system.

  18. SU-E-T-238: Monte Carlo Estimation of Cerenkov Dose for Photo-Dynamic Radiotherapy

    SciTech Connect (OSTI)

    Chibani, O; Price, R; Ma, C; Eldib, A; Mora, G

    2014-06-01

    Purpose: Estimation of Cerenkov dose from high-energy megavoltage photon and electron beams in tissue and its impact on the radiosensitization using Protoporphyrine IX (PpIX) for tumor targeting enhancement in radiotherapy. Methods: The GEPTS Monte Carlo code is used to generate dose distributions from 18MV Varian photon beam and generic high-energy (45-MV) photon and (45-MeV) electron beams in a voxel-based tissueequivalent phantom. In addition to calculating the ionization dose, the code scores Cerenkov energy released in the wavelength range 375–425 nm corresponding to the pick of the PpIX absorption spectrum (Fig. 1) using the Frank-Tamm formula. Results: The simulations shows that the produced Cerenkov dose suitable for activating PpIX is 4000 to 5500 times lower than the overall radiation dose for all considered beams (18MV, 45 MV and 45 MeV). These results were contradictory to the recent experimental studies by Axelsson et al. (Med. Phys. 38 (2011) p 4127), where Cerenkov dose was reported to be only two orders of magnitude lower than the radiation dose. Note that our simulation results can be corroborated by a simple model where the Frank and Tamm formula is applied for electrons with 2 MeV/cm stopping power generating Cerenkov photons in the 375–425 nm range and assuming these photons have less than 1mm penetration in tissue. Conclusion: The Cerenkov dose generated by high-energy photon and electron beams may produce minimal clinical effect in comparison with the photon fluence (or dose) commonly used for photo-dynamic therapy. At the present time, it is unclear whether Cerenkov radiation is a significant contributor to the recently observed tumor regression for patients receiving radiotherapy and PpIX versus patients receiving radiotherapy only. The ongoing study will include animal experimentation and investigation of dose rate effects on PpIX response.

  19. An evaluation of water and sediment quality along the Texas Gulf Intracoastal Waterway 

    E-Print Network [OSTI]

    Giesler, Ralph Steven

    1975-01-01

    and nitrate nutrient concentrations. Data was also obtained for the amount of cadmium, copper, lead and zinc dissolved in the water. In January, bottom samples were obtained to provide information regarding the pH, Eh, and heavy metal concentration... Water PH Values Surface Water Eh Values in (mv) Surface Water Turbidity Middepth Phosphate Values Middepth Ammonia Values Middepth Nitrate Values Middepth Total Suspended Solids Middepth Volatile Suspended Solids Middepth Total Organic Carbon...

  20. Green's Functions of Generalized Laplacians Philippe Poulin #

    E-Print Network [OSTI]

    and Statistics McGill University 805, rue Sherbrooke Ouest Montrâ??eal, Quâ??ebec, H3A­2K6, Canada Abstract The Green method we study the decay of G(n, e + i0) when |n| # # for values of energy, e, inside the range of #(x Laplacians for values of energy inside their associated spec­ tra [ESY, MV, SV]. Such a priori estimates

  1. The effect of iron chloride and glutamate on glutamine synthetase activity in primary cultured rat cortical astrocytes: a model for epileptic induction 

    E-Print Network [OSTI]

    Roberts, Julie Ann

    1986-01-01

    Phillips, Department of Veterinary Public Health for their valuable suggestions, advice and criticisms of the thesis manuscript and for serving as member s of the Advisory Committee. The author is grateful to Dr. Gerald Bratton, Head, Department... for depolarization and r epolarization of the membrane. A pertubation that disrupts the intricate balance could result in a hypersensitive neuron and the genera- tion of an epileptic focus. The resting membrane potential of a neuron is about -60 mV, while...

  2. 2012 Groundwater Monitoring Report Central Nevada Test Area, Subsurface Corrective Action Unit 443

    SciTech Connect (OSTI)

    None

    2013-04-01

    The Central Nevada Test Area was the site of a 0.2- to 1-megaton underground nuclear test in 1968. The surface of the site has been closed, but the subsurface is still in the corrective action process. The corrective action alternative selected for the site was monitoring with institutional controls. Annual sampling and hydraulic head monitoring are conducted as part of the subsurface corrective action strategy. The site is currently in the fourth year of the 5-year proof-of-concept period that is intended to validate the compliance boundary. Analytical results from the 2012 monitoring are consistent with those of previous years. Tritium remains at levels below the laboratory minimum detectable concentration in all wells in the monitoring network. Samples collected from reentry well UC-1-P-2SR, which is not in the monitoring network but was sampled as part of supplemental activities conducted during the 2012 monitoring, indicate concentrations of tritium that are consistent with previous sampling results. This well was drilled into the chimney shortly after the detonation, and water levels continue to rise, demonstrating the very low permeability of the volcanic rocks. Water level data from new wells MV-4 and MV-5 and recompleted well HTH-1RC indicate that hydraulic heads are still recovering from installation and testing. Data from wells MV-4 and MV-5 also indicate that head levels have not yet recovered from the 2011 sampling event during which several thousand gallons of water were purged. It has been recommended that a low-flow sampling method be adopted for these wells to allow head levels to recover to steady-state conditions. Despite the lack of steady-state groundwater conditions, hydraulic head data collected from alluvial wells installed in 2009 continue to support the conceptual model that the southeast-bounding graben fault acts as a barrier to groundwater flow at the site.

  3. The influence of surface interactions on the reversibility of ferri/ferrocyanide at boron-doped diamond thin-film electrodes

    SciTech Connect (OSTI)

    Granger, M.C.; Swain, G.M.

    1999-12-01

    The electrochemistry of four redox analytes [Fe(CN){sub 6}{sup {minus}3/{minus}4}, Ru(NH{sub 3}){sub 6}{sup +2/+3}, IrCl{sub 6}{sup {minus}2/{minus}3}, and methyl viologen, MV{sup +2/+/0}] was investigated at polycrystalline, boron-doped diamond thin-film electrodes before and after anodic polarization and hydrogen plasma treatment. The as-deposited diamond surface is predominantly hydrogen treatment, and quasi-reversible cyclic voltammograms ({Delta}E{sub p} of 60--80 mV) were observed for all of these couples at 0.1 V/s. After anodic polarization in H{sub 2}SO{sub 4}, the surface atomic O/C ratio, as determined by X-ray photoelectron spectroscopy, increased from 0.02 to ca. 0.20. Concomitant with the increase in surface oxygen, the {Delta}E{sub p} for Fe(CN){sub 6}{sup {minus}3/{minus}4} increased to over 200 mV, while the {Delta}E{sub p} values for the other redox systems remained relatively unchanged. After acid washing and rehydrogenating the surface in hydrogen plasma (i.e., atomic hydrogen), the {Delta}E{sub p} for Fe(CN){sub 6}{sup {minus}3/{minus}4} returned to ca. 80 mV, while the {Delta}E{sub p} values for the other three redox analytes remained close to the original values. The results demonstrate the electron transfer for ferri/ferrocyanide is very sensitive to the presence of surface carbon-oxygen functionalities and that the electron transfer involves a site associated with the hydrogen-terminated surface. The results also unequivocally rule out the influence of adventitious nondiamond phases as the sole sites for the electron transfer.

  4. Conduction-Band-Offset Rule Governing J-V Distortion in CdS/CI(G)S Solar Cells

    E-Print Network [OSTI]

    Sites, James R.

    Conduction-Band-Offset Rule Governing J-V Distortion in CdS/CI(G)S Solar Cells A. Kanevce, MV at the n/p interface of a solar cell can lead to significant distortion of the current-voltage (J-V) curve-layer [TCO/CdS/CI(G)S] approximation for the solar cell. The parameters that influence the barrier height

  5. The Impulsive Heating Rate in Shocked O Star Winds

    E-Print Network [OSTI]

    Cohen, David

    The Impulsive Heating Rate in Shocked O Star Winds: Determined Directly from High-Resolution X; no corona #12;Radiation-driven O star winds Pup (O4 supergiant): M ~ few 10-6 Msun/yr UV spectrum: C IV with the stellar wind #12;Radiation-driven O star winds kinetic power in the wind = 1/2 Mv 2 (~10-3 Lbol) typically

  6. Solutions to Dr. Z.'s MATH 421 (2) Exam 2, Tue., Nov. 22, 2011, 12:00noon-1:20pm, 1. (15 pts.) Find the general expression, in polar coordinates, for the steady-state temperature

    E-Print Network [OSTI]

    Zeilberger, Doron

    that {sin nx}, n = 1, 2, . . . is orthogonal over the interval [0, ]. (b) Find the norm of each function. Ans. to (b): || sin nx|| = 2 Sol. of a.: (sin nx, sin mx) = 0 (sin nx)(sin mx) dx . From the cheatsheet (or from your head): (sin A)(sin B) = 1 2 (cos(A - B) - cos(A - B)) . So (sin nx)(sin mv) = 1 2

  7. DISSERTATION IMPACT OF LIFETIME VARIATIONS AND SECONDARY BARRIERS ON

    E-Print Network [OSTI]

    Sites, James R.

    Te Solar-cell Performance The thin-film CdTe solar cell (generally n-CdS/p-CdTe) is one of the leading, where the best CdTe cells are about 250 mV below the best GaAs cells when an appropriate adjustmentDISSERTATION IMPACT OF LIFETIME VARIATIONS AND SECONDARY BARRIERS ON CdTe SOLAR-CELL PERFORMANCE

  8. Poster — Thur Eve — 62: A Retrospective Assessment of the Prevalence and Dosimetric Effect of Lateral Electron Disequilibrium in a Population of Lung Cancer Patients Treated by Stereotactic Body Radiation Therapy

    SciTech Connect (OSTI)

    Disher, Brandon; Wade, Laura; Hajdok, George; Gaede, Stewart; Battista, Jerry J.; Palma, David

    2014-08-15

    Stereotactic Body Radiation Therapy (SBRT) is a treatment option for early stage non-small cell lung cancer (NSCLC). SBRT uses tightly conformed megavoltage (MV) x-ray beams to ablate the tumour. However, small MV x-ray fields may produce lateral electron disequilibrium (LED) within lung tissue, which can reduce the dose to tumour. The goal of this work is to estimate the prevalence of LED in NSCLC patients treated with SBRT, and determine dose effects for patients prone or averse to LED. Thirty NSCLC patients were randomly selected for analysis. 4-dimensional CT lung images were segmented into the right and left upper and lower lobes (RUL, RLL, LUL, LLL), and the right middle lobe. Dose calculations were performed using volume-modulated arc therapy in the Pinnacle{sup 3} TPS. Most tumours were located in the upper lobes (RUL 53%, LUL 27%) where density was significantly lower (RUL ?808±46 HU vs. RLL ?743±71 HU; LUL ?808 ±56 HU vs. LLL ?746±70 HU; p<0.001). In general, the prevalence of LED increased with higher beam energy. Using 6MV photons, patients with a RUL tumour experienced moderate (81 %), and mild (19%) levels of LED. At 18MV, LED became more prominent with severe (50%) and moderate (50%) LED exhibited. Dosimetrically, for patients prone to LED, poorer target coverage (i.e. increased R100 by 20%) and improved lung sparing (i.e. reduced V20 by ?46%) was observed. The common location of lung cancers in the upper lobes, coupled with lower lung density, results in the potential occurrence of LED, which may underdose the tumour.

  9. Large scale two-dimensional arrays of magnesium diboride superconducting quantum interference devices

    SciTech Connect (OSTI)

    Cybart, Shane A. Dynes, R. C.; Wong, T. J.; Cho, E. Y.; Beeman, J. W.; Yung, C. S.; Moeckly, B. H.

    2014-05-05

    Magnetic field sensors based on two-dimensional arrays of superconducting quantum interference devices were constructed from magnesium diboride thin films. Each array contained over 30?000 Josephson junctions fabricated by ion damage of 30?nm weak links through an implant mask defined by nano-lithography. Current-biased devices exhibited very large voltage modulation as a function of magnetic field, with amplitudes as high as 8?mV.

  10. Oxidative dehydrogenation of alkanes to unsaturated hydrocarbons

    DOE Patents [OSTI]

    Kung, H.H.; Chaar, M.A.

    1988-10-11

    Oxidative dehydrogenation of alkanes to unsaturated hydrocarbons is carried out over metal vanadate catalysts under oxidizing conditions. The vanadate catalysts are represented by the formulas M[sub 3](VO[sub 4])[sub 2] and MV[sub 2]O[sub 6], M representing Mg, Zn, Ca, Pb, or Cd. The reaction is carried out in the presence of oxygen, but the formation of oxygenate by-products is suppressed.

  11. Carbon Nanotube DNA Sensor and Sensing Mechanism

    E-Print Network [OSTI]

    Le Roy, Robert J.

    nanotube (SWNT) DNA sensors and the sensing mechanism. The simple and generic protocol for label for direct label-free detection of DNA hybridization in a biocompatible buffer solution. We also carried out is a field effect device, which has a typical on-current of 3-6 µA at 10 mV source- drain bias and an on-off

  12. A Pilot Case Study of Measurement and Verification for a Major Texas State Agency Performance Contracting Initiative 

    E-Print Network [OSTI]

    Bou-Saada, T. E.; Culp, C.

    2006-01-01

    for the more efficient equipment cost over a fifteen-year period. The savings will be measured and verified over the life of the contract in order to maintain the savings guarantee. The energy services firm that the agency chose to implement the utility... loan fund for public sector energy efficiency projects in Texas. 2 MEASUREMENT & VERIFICATION MODEL ANALYSIS One of the most important components of a performance contract entails a good M&V approach to account for savings. Since the agency...

  13. Retrocommissioning Case Study - Applying Building Selection Criteria for Maximum Results 

    E-Print Network [OSTI]

    Luskay, L.; Haasl, T.; Irvine, L.; Frey, D.

    2002-01-01

    This project selected two approaches to M&V from the International Performance Measurement and Verification Protocol (IPMVP, 2000): Calibrated Simulation and Partially Measured Retrofit Isolation. The first approach, Calibrated Simulation, was used... Intensity by Census Region for Sum of Major Fuels, 1999. www.eia.doe.gov/emeu/cbecs/detailed_tables_1999.h tml. International Performance Measurement & Verification Protocol, 2000. Website: www.ipmvp.org APPENDIX A Table 1 APPENDIX B...

  14. Application of CC® at a Corporate Headquarters Facility in Dallas, TX 

    E-Print Network [OSTI]

    Meline, K.; Kimla, J.

    2011-01-01

    . The typical measurement and verification (M&V) protocol for CC projects is IPMVP Option C: Whole Facility [3] utilizing facility utility billing data. Option C stipulates that the typical energy savings ?should exceed 10% of the baseline energy if you... Commissioning Guidebook for Federal Energy Mangers. 2002. Federal Energy Management Program, U.S. Department of Energy. [2] http://www.42u.com/koldlok.htm. [3] IPMVP. 2010. International Performance Measurement and Verification Protocol, Volume 1...

  15. Development of a New ASHRAE Protocol for Measuring and Reporting the On-Site Performance of Buildings Except Low-Rise Residential Buildings 

    E-Print Network [OSTI]

    Haberl, Jeff; Case, Mark; Kettler, Herald; Hunn, Bruce; Owens, Brendan

    2006-01-01

    regarding the specification of a performance monitoring system. • NEMVP, IPMVP (1996 – 2003). The US DOE has developed the International Performance Measurement and Verification Protocols (IPMVP), beginning in 1996 and revised up through 2003.... It included a 4-116© 2006 ACEEE Summer Study on Energy Efficiency in Buildings purpose/scope, an overview, three M&V options, a section of other issues and references. o International Performance Measurement and Verification Protocol (IPMVP), 1997...

  16. Two Channel Dielectric-Lined Rectangular High Transformer Ratio Accelerator Structure Experiment

    SciTech Connect (OSTI)

    Shchelkunov, S. V.; LaPointe, M. A. [Beam Physics Laboratory, Yale University, 272 Whitney Avenue, New Haven, CT 06511 (United States); Hirshfield, J. L. [Beam Physics Laboratory, Yale University, 272 Whitney Avenue, New Haven, CT 06511 (United States); Omega-P, Inc., 258 Bradley St., New Haven, CT 06510 (United States); Marshall, T. C. [Columbia University, New York, NY 10027 (United States); Omega-P, Inc., 258 Bradley St., New Haven, CT 06510 (United States); Sotnikov, G. [NSC Kharkov Institute of Physics and Technology, Kharkov (Ukraine); Omega-P, Inc., 258 Bradley St., New Haven, CT 06510 (United States); Gai, Wei; Conde, M.; Power, J.; Mihalcea, D. [Argonne National Laboratory, Argonne, IL 60439 (United States)

    2010-11-04

    Current status of a two-channel cm-scale rectangular dielectric lined wakefield accelerator structure is described. This structure is installed at the Argonne Wakefield Accelerator facility (AWA), and is presently being evaluated. The device has a transformer ratio of {approx}12.5:1. When driven by a {approx}50 nC single drive bunch it is expected to obtain {approx}6 MV/m acceleration gradient. Related issues are discussed.

  17. 5-HT3 Receptor Brain-Type B-Subunits are Differentially Expressed in Heterologous Systems

    E-Print Network [OSTI]

    Corradi, Jeremias; Thompson, Andrew J.; McGonigle, Ian; Price, Kerry. L.; Bouzat, Cecilia; Lummis, Sarah C. R.

    2015-05-07

    at -60 mV using an OC-725 amplifier (Warner Instruments, Connecticut, USA), Digidata 1322A and the Strathclyde Electrophysiology Software Package (Department of Physiology and Pharmacology, University of Strathclyde, UK). Currents were recorded at a... contributed equally to this work; *Joint corresponding authors at 1INIBIBB, UNS/CONICET, Camino La Carrindanga Km 7, 8000 Bahía Blanca, Argentina. Email: inbouzat@criba.edu.ar ; 2Department of Biochemistry, University of Cambridge, Cambridge CB2 1QW, UK...

  18. Solution 1: , so GM=gR2

    E-Print Network [OSTI]

    Gustafsson, Torgny

    Solution 1: mg=GMm/r2 , so GM=gR2 . At the equator, mV2 /R=GMm/R2 ­ mg' = mg - 2mg/3 = mg/3. Hence. This is equal to 0 for escape, i.e. r as v 0. Thus, u=vesc when mu2 /2 = GMm/R. So, vesc 2 = 2GM/R = 2gR = 6V2

  19. Forged in FIRE: cusps, cores, and baryons in low-mass dwarf galaxies

    E-Print Network [OSTI]

    Oñorbe, Jose; Bullock, James S; Hopkins, Philip F; Ker?s, Dušan; Faucher-Giguère, Claude-André; Quataert, Eliot; Murray, Norman

    2015-01-01

    We present ultra-high resolution cosmological hydrodynamic simulations of $M_*\\simeq10^{4-6}M_{\\odot}$ dwarf galaxies that form within $M_{v}=10^{9.5-10}M_{\\odot}$ dark matter halos. Our simulations rely on the FIRE implementation of star formation feedback and were run with high enough force and mass resolution to directly resolve stellar and dark matter structure on the ~200 pc scales of interest for classical and ultra-faint dwarfs in the Local Group. The resultant galaxies sit on the $M_*$ vs. $M_{v}$ relation required to match the Local Group stellar mass function. They have bursty star formation histories and also form with half-light radii and metallicities that broadly match those observed for local dwarfs at the same stellar mass. For the first time we demonstrate that it is possible to create a large (~1 kpc) dark matter core in a cosmological simulation of an $M_*\\simeq10^6M_{\\odot}$ dwarf galaxy that resides within an $M_{v}=10^{10}M_{\\odot}$ halo -- precisely the scale of interest for resolving t...

  20. Low power zinc-oxide based charge trapping memory with embedded silicon nanoparticles via poole-frenkel hole emission

    SciTech Connect (OSTI)

    El-Atab, Nazek; Nayfeh, Ammar; Ozcan, Ayse; Alkis, Sabri; Okyay, Ali K.; Department of Electrical and Electronics Engineering, Bilkent University, 06800 Ankara

    2014-01-06

    A low power zinc-oxide (ZnO) charge trapping memory with embedded silicon (Si) nanoparticles is demonstrated. The charge trapping layer is formed by spin coating 2?nm silicon nanoparticles between Atomic Layer Deposited ZnO steps. The threshold voltage shift (?V{sub t}) vs. programming voltage is studied with and without the silicon nanoparticles. Applying ?1?V for 5?s at the gate of the memory with nanoparticles results in a ?V{sub t} of 3.4?V, and the memory window can be up to 8?V with an excellent retention characteristic (>10 yr). Without nanoparticles, at ?1?V programming voltage, the ?V{sub t} is negligible. In order to get ?V{sub t} of 3.4?V without nanoparticles, programming voltage in excess of 10?V is required. The negative voltage on the gate programs the memory indicating that holes are being trapped in the charge trapping layer. In addition, at 1?V the electric field across the 3.6?nm tunnel oxide is calculated to be 0.36 MV/cm, which is too small for significant tunneling. Moreover, the ?V{sub t} vs. electric field across the tunnel oxide shows square root dependence at low fields (E?MV/cm) and a square dependence at higher fields (E?>?2.7 MV/cm). This indicates that Poole-Frenkel Effect is the main mechanism for holes emission at low fields and Phonon Assisted Tunneling at higher fields.

  1. Success of the Melton Valley Watershed Remediation at the ORNL - 12351

    SciTech Connect (OSTI)

    Adler, David; Wilkerson, Laura [DOE, Oak Ridge Operations (United States); Sims, Lynn; Ketelle, Richard; Garland, Sid [Oak Ridge/Restoration Service, Inc. - UCOR/RSI (United States)

    2012-07-01

    The source remediation of the Melton Valley (MV) Watershed at the U.S. Department of Energy's (DOE's) Oak Ridge National Laboratory was completed 5 years ago (September 2006). Historic operations at the laboratory had resulted in chemical and radionuclide contaminant releases and potential risks or hazards within 175 contaminated units scattered across an area of 430 hectares (1062 acres) within the watershed. Contaminated areas included burial grounds, landfills, underground tanks, surface impoundments, liquid disposal pit/trenches, hydrofracture wells, leak and spill spites, inactive surface structures, and contaminated soil and sediments. The remediation of the watershed was detailed in the MV Interim Action Record of Decision (ROD) and included a combination of actions encompassing containment, isolation, stabilization, removal, and treatment of sources within the watershed and established the monitoring and land use controls that would result in protection of human health. The actions would take place over 5 years with an expenditure of over $340 M. The MV remedial actions left hazardous wastes in-place (e.g., buried wastes beneath hydraulic isolation caps) and cleanup at levels that do not allow for unrestricted access and unlimited exposure. The cleanup with the resultant land use would result in a comprehensive monitoring plan for groundwater, surface water, and biological media, as well as the tracking of the land use controls to assure their completion. This paper includes an overview of select performance measures and monitoring results, as detailed in the annual Remediation Effectiveness Report and the Five-Year Report. (authors)

  2. March 2011 Groundwater Sampling at the Project Shoal Site (Data Validation Package)

    SciTech Connect (OSTI)

    2011-07-01

    The U.S. Department of Energy Office of Legacy Management conducted annual sampling at the Project Shoal Area (Shoal) in March 2011. Wells HC-1, HC-2, HC-4, HC-5, HC-6, HC-7, MV-1, MV-2 and MV-3 were sampled as specified in the Sampling and Analysis Plan for U.S. Department of Energy Office of Legacy Management Sites (LMS/PLN/S04351, continually updated). Two extra tritium samples were collected from well HC-4, one sample (HC-4-400) was collected at about 1/3 of the purge volume (135 gallons), the second sample (HC-4-400) was collected at 2/3 of purge volume (270 gallons). These additional samples were collected prior to completing the well purging process to evaluate the effects well purging has on the analytical results. Samples were not collected from locations HC-3 and HC-8 at the direction of the S.M. Stoller Corporation site lead.

  3. InGaAsSb thermophotovoltaic diode physics evaluation

    SciTech Connect (OSTI)

    Charache, G.W.; Baldasaro, P.F.; Danielson, L.R. [Lockheed-Martin, Inc., Schenectady, NY (United States)] [and others

    1998-06-01

    The hotside operating temperatures for many projected thermophotovoltaic (TPV) conversion system applications are approximately 1,000 C, which sets an upper limit on the TPV diode bandgap of 0.6 eV from efficiency and power density considerations. This bandgap requirement has necessitated the development of new diode material systems, never previously considered for energy generation. To date, InGaAsSb quaternary diodes grown lattice-matched on GaSb substrates have achieved the highest performance. This report relates observed diode performance to electro-optic properties such as minority carrier lifetime, diffusion length and mobility and provides initial links to microstructural properties. This analysis has bounded potential diode performance improvements. For the 0.52 eV InGaAsSb diodes used in this analysis the measured dark current is 2 {times} 10{sup {minus}5} A/cm{sup 2}, versus a potential Auger limit 1 {times} 10{sup {minus}5} A/cm{sup 2}, a radiative limit of 2 {times} 10{sup {minus}6} A/cm{sup 2} (no photon recycling), and an absolute thermodynamic limit of 1.4 {times} 10{sup {minus}7} A/cm{sup 2}. These dark currents are equivalent to open circuit voltage gains of 20 mV (7%), 60 mV (20%) and 140 mV (45%), respectively.

  4. Sagittarius II, Draco II and Laevens 3: three new Milky Way satellites discovered in the Pan-STARRS 1 3pi Survey

    E-Print Network [OSTI]

    Laevens, Benjamin P M; Bernard, Edouard J; Schlafly, Edward F; Sesar, Branimir; Rix, Hans-Walter; Bell, Eric F; Ferguson, Annette M N; Slater, Colin T; Sweeney, William E; Wyse, Rosemary F G; Huxor, Avon P; Burgett, William S; Chambers, Kenneth C; Draper, Peter W; Magnier, Eugene A; Metcalfe, Nigel; Tonry, John L; Wainscoat, Richard J; Waters, Christopher

    2015-01-01

    We present the discovery of three new Milky Way satellites from our search for compact stellar overdensities in the photometric catalog of the Panoramic Survey Telescope and Rapid Response System 1 (Pan-STARRS 1, or PS1) 3pi survey. The first satellite, Laevens 3, is located at a heliocentric distance of d=67+/-3 kpc. With a total magnitude of Mv=-4.4+/-0.3 and a half-light radius rh=7+/-2 pc, its properties resemble those of outer halo globular clusters. The second system, Draco II/Laevens 4 (Dra II), is a closer and fainter satellite (d~20 kpc, Mv =-2.9+/-0.8), whose uncertain size (rh = 19 +8/-6 pc) renders its classification difficult without kinematic information; it could either be a faint and extended globular cluster or a faint and compact dwarf galaxy. The third satellite, Sagittarius II/Laevens 5 (Sgr II), has an ambiguous nature as it is either the most compact dwarf galaxy or the most extended globular cluster in its luminosity range (rh = 37 +9/-8 pc and Mv=-5.2+/-0.4). At a heliocentric distance...

  5. Coaxial Coupling Scheme for TESLA/ILC-type Cavities

    SciTech Connect (OSTI)

    J.K. Sekutowicz, P. Kneisel

    2010-05-01

    This paper reports about our efforts to develop a flangeable coaxial coupler for both HOM and fundamental coupling for 9-cell TESLA/ILC-type cavities. The cavities were designed in early 90‘s for pulsed operation with a low duty factor, less than 1 %. The proposed design of the coupler has been done in a way, that the magnetic flux B at the flange connection is minimized and only a field of <5 mT would be present at the accelerating field Eacc of ~ 36 MV/m (B =150 mT in the cavity). Even though we achieved reasonably high Q-values at low field, the cavity/coupler combination was limited in the cw mode to only ~ 7 MV/m, where a thermally initiated degradation occurred. We have improved the cooling conditions by initially drilling radial channels every 30 degrees, then every 15 degrees into the shorting plate. The modified prototype performed well up to 9 MV/m in cw mode. This paper reports about our experiences with the further modified coaxial coupler and about test results in cw and low duty cycle pulsed mode, similar to the TESLA/ILC operation conditions.

  6. Low Wind Speed Turbine Project Phase II: The Application of Medium-Voltage Electrical Apparatus to the Class of Variable Speed Multi-Megawatt Low Wind Speed Turbines; 15 June 2004--30 April 2005

    SciTech Connect (OSTI)

    Erdman, W.; Behnke, M.

    2005-11-01

    Kilowatt ratings of modern wind turbines have progressed rapidly from 50 kW to 1,800 kW over the past 25 years, with 3.0- to 7.5-MW turbines expected in the next 5 years. The premise of this study is simple: The rapid growth of wind turbine power ratings and the corresponding growth in turbine electrical generation systems and associated controls are quickly making low-voltage (LV) electrical design approaches cost-ineffective. This report provides design detail and compares the cost of energy (COE) between commercial LV-class wind power machines and emerging medium-voltage (MV)-class multi-megawatt wind technology. The key finding is that a 2.5% reduction in the COE can be achieved by moving from LV to MV systems. This is a conservative estimate, with a 3% to 3.5% reduction believed to be attainable once purchase orders to support a 250-turbine/year production level are placed. This evaluation considers capital costs as well as installation, maintenance, and training requirements for wind turbine maintenance personnel. Subsystems investigated include the generator, pendant cables, variable-speed converter, and padmount transformer with switchgear. Both current-source and voltage-source converter/inverter MV topologies are compared against their low-voltage, voltage-source counterparts at the 3.0-, 5.0-, and 7.5-MW levels.

  7. Cobalt-60 tomotherapy: Clinical treatment planning and phantom dose delivery studies

    SciTech Connect (OSTI)

    Dhanesar, Sandeep; Darko, Johnson; Joshi, Chandra P.; Kerr, Andrew; John Schreiner, L.

    2013-08-15

    Purpose: Investigations have shown that a Cobalt-60 (Co-60) radioactive source has the potential to play a role in intensity modulated radiation therapy (IMRT). In this paper, Co-60 tomotherapy's conformal dose delivery potential is evaluated by delivering conformal dose plans on a cylindrical homogeneous phantom containing clinical structures similar to those found in a typical head and neck (H and N) cancer. Also, the clinical potential of Co-60 tomotherapy is investigated by generating 2D clinical treatment plans for H and N and prostate anatomical regions. These plans are compared with the 6 MV based treatment plans for modalities such as linear accelerator-based tomotherapy and broad beam IMRT, and 15 MV based 3D conformal radiation therapy (3DCRT).Methods: For experimental validation studies, clinical and nonclinical conformal dose patterns were delivered on circular, homogeneous phantoms containing GafChromic film. For clinical planning study, dose calculations were performed with the EGSnrc Monte Carlo program, where a Theratronics 780C Co-60 unit and a 6 MV linear accelerator were modeled with a MIMiC binary multileaf collimator. An inhouse inverse treatment planning system was used to optimize tomotherapy plans using the same optimization parameters for both Co-60 and 6 MV beams. The IMRT and 3DCRT plans for the clinical cases were generated entirely in the Eclipse treatment planning system based on inhouse IMRT and 3DCRT site specific protocols.Results: The doses delivered to the homogeneous phantoms agreed with the calculations, indicating that it is possible to deliver highly conformal doses with the Co-60 unit. The dose distributions for Co-60 tomotherapy clinical plans for both clinical cases were similar to those obtained with 6 MV based tomotherapy and IMRT, and much more conformal compared to 3DCRT plans. The dose area histograms showed that the Co-60 plans achieve the dose objectives for the targets and organs at risk.Conclusions: These results confirm that Co-60 tomotherapy is capable of providing state-of-the-art conformal dose delivery and could be used for the treatment of targets in both small and larger separation anatomical regions.

  8. TU-F-BRE-07: In Vivo Neutron Detection in Patients Undergoing Stereotactic Ablative Radiotherapy (SABR) for Primary Kidney Cancer Using 6Li and 7Li Enriched TLD Pairs

    SciTech Connect (OSTI)

    Lonski, P; Kron, T; Franich, R; Keehan, S; Siva, S; Taylor, M

    2014-06-15

    Purpose: Stereotactic ablative radiotherapy (SABR) for primary kidney cancer often involves the use of high-energy photons combined with a large number of monitor units. While important for risk assessment, the additional neutron dose to untargeted healthy tissue is not accounted for in treatment planning. This work aims to detect out-of-field neutrons in vivo for patients undergoing SABR with high-energy (>10 MV) photons and provides preliminary estimates of neutron effective dose. Methods: 3 variations of high-sensitivity LiF:Mg,Cu,P thermoluminescent dosimeter (TLD) material, each with varying {sup 6}Li / {sup 7}Li concentrations, were used in custom-made Perspex holders for in vivo measurements. The variation in cross section for thermal neutrons between Li isotopes was exploited to distinguish neutron from photon signal. Measurements were made out-of-field for 7 patients, each undergoing 3D-conformal SABR treatment for primary kidney cancer on a Varian 21iX linear accelerator. Results: In vivo measurements show increased signal for the {sup 6}Li enriched material for patients treated with 18 MV photons. Measurements on one SABR patient treated using only 6 MV showed no difference between the 3 TLD materials. The out-of-field photon signal decreased exponentially with distance from the treatment field. The neutron signal, taken as the difference between {sup 6}Li enriched and {sup 7}Li enriched TLD response, remains almost constant up to 50 cm from the beam central axis. Estimates of neutron effective dose from preliminary TLD calibration suggest between 10 and 30 mSv per 1000 MU delivered at 18 MV for the 7 patients. Conclusion: TLD was proven to be a useful tool for the purpose of in vivo neutron detection at out-of-field locations. Further work is required to understand the relationship between TL signal and neutron dose. Dose estimates based on preliminary TLD calibration in a neutron beam suggest the additional neutron dose was <30 mSv per 1000 MU at 18 MV.

  9. Colloquium: Majorana Fermions in nuclear, particle and solid-state physics

    E-Print Network [OSTI]

    S. R. Elliott; M. Franz

    2014-12-01

    Ettore Majorana (1906-1938) disappeared while traveling by ship from Palermo to Naples in 1938. His fate has never been fully resolved and several articles have been written that explore the mystery itself. His demise intrigues us still today because of his seminal work, published the previous year, that established symmetric solutions to the Dirac equation that describe a fermionic particle that is its own anti-particle. This work has long had a significant impact in neutrino physics, where this fundamental question regarding the particle remains unanswered. But the formalism he developed has found many uses as there are now a number of candidate spin-1/2 neutral particles that may be truly neutral with no quantum number to distinguish them from their anti-particles. If such particles exist, they will influence many areas of nuclear and particle physics. Most notably the process of neutrinoless double beta decay can only exist if neutrinos are massive Majorana particles. Hence, many efforts to search for this process are underway. Majorana's influence doesn't stop with particle physics, however, even though that was his original consideration. The equations he derived also arise in solid state physics where they describe electronic states in materials with superconducting order. Of special interest here is the class of solutions of the Majorana equation in one and two spatial dimensions at exactly zero energy. These Majorana zero modes are endowed with some remarkable physical properties that may lead to advances in quantum computing and, in fact, there is evidence that they have been experimentally observed. This review first summarizes the basics of Majorana's theory and its implications. It then provides an overview of the rich experimental programs trying to find a fermion that is its own anti-particle in nuclear, particle, and solid state physics.

  10. The RR Lyrae stars: New perspectives

    SciTech Connect (OSTI)

    McNamara, D. H.; Barnes, J. E-mail: jonathan.barnes@slcc.edu

    2014-02-01

    We demonstrate that the Oosterhoff II (Oo II) RR Lyrae ab variables are hotter by ?270 K, at the same period, than Oo I variables. Or, at the same ((B) – (V)){sub 0} value the Oo II variables have larger radii than Oo I variables. This accounts for the reason Oo II variables are brighter (0.12-0.20 mag) than Oo I variables. The dependence of the light amplitude of RR Lyrae variables on temperature is independent of Oo type. This makes it possible to derive an accurate set of equations to relate intrinsic (B – V){sub 0} color indices to light amplitudes, which in turn can be used to determine the interstellar reddening (E (B – V)). With just a few variables (?5), it is possible to determine the E (B – V) to an accuracy of <0.01 mag in the absence of systematic photometric errors. We discuss the errors introduced in color excess determinations by including the Blazhko stars in a solution. A comparison of color excess values of 23 globular clusters and two regions of the Large Magellanic Cloud (LMC), determined with the aid of our newly developed equations, are found to compare favorably (?0.01 mag) with color excess values found in the literature. Four new Oo III variables, some found in metal-poor clusters, are discussed. An analysis of the galactic-field variables indicates the majority are Oo I and Oo II variables, but a few short-period (log P < –0.36) metal-strong variables, so far not found in galactic globular clusters are evidently ?0.30 mag fainter than Oo I variables. Oo III variables may also be present in the field. We conclude that the RR Lyrae ab variables are primarily restricted to four sequences or groups. If we assume that the Oo I variables' mean absolute magnitude is Mv = 0.61, the mean absolute magnitudes of the other three sequences are: short-period variables Mv ? 0.89 mag, Oo II Mv ? 0.43 mag, and Oo III Mv ? 0.29 mag. The Oo I fundamental RR Lyrae ab red edge (FRE) and fundamental blue edge (FBE) occur at approximately the following temperatures: FRE T ? 6180 K and FBE T ? 6750 K. There is a strong dependence of Mv on [Fe/H] as we proceed from the short-period variables to the Oo I variables and to the Oo II variables, but there seems to be little or no dependence of Mv on [Fe/H] for stars within a group, at least for the Oo I and Oo II groups. The Oo II variables exhibit a weak period luminosity relation in V in many globular clusters unlike the Oo II-like variables in Oo I clusters which do not exhibit a P-L relation. The properties of some intermediate LMC clusters are discussed.

  11. Response of TLD-100 in mixed fields of photons and electrons

    SciTech Connect (OSTI)

    Lawless, Michael J.; Junell, Stephanie; Hammer, Cliff; DeWerd, Larry A. [University of Wisconsin-Madison, Department of Medical Physics, Madison, Wisconsin 53705 (United States)

    2013-01-15

    Purpose: Thermoluminescent dosimeters (TLDs) are routinely used for dosimetric measurements of high energy photon and electron fields. However, TLD response in combined fields of photon and electron beam qualities has not been characterized. This work investigates the response of TLD-100 (LiF:Mg,Ti) to sequential irradiation by high-energy photon and electron beam qualities. Methods: TLDs were irradiated to a known dose by a linear accelerator with a 6 MV photon beam, a 6 MeV electron beam, and a NIST-traceable {sup 60}Co beam. TLDs were also irradiated in a mixed field of the 6 MeV electron beam and the 6 MV photon beam. The average TLD response per unit dose of the TLDs for each linac beam quality was normalized to the average response per unit dose of the TLDs irradiated by the {sup 60}Co beam. Irradiations were performed in water and in a Virtual Water Trade-Mark-Sign phantom. The 6 MV photon beam and 6 MeV electron beam were used to create dose calibration curves relating TLD response to absorbed dose to water, which were applied to the TLDs irradiated in the mixed field. Results: TLD relative response per unit dose in the mixed field was less sensitive than the relative response in the photon field and more sensitive than the relative response in the electron field. Application of the photon dose calibration curve to the TLDs irradiated in a mixed field resulted in an underestimation of the delivered dose, while application of the electron dose calibration curve resulted in an overestimation of the dose. Conclusions: The relative response of TLD-100 in mixed fields fell between the relative response in the photon-only and electron-only fields. TLD-100 dosimetry of mixed fields must account for this intermediate response to minimize the estimation errors associated with calibration factors obtained from a single beam quality.

  12. Anaerobic oxidation of short-chain alkanes in hydrothermal sediments: potential influences on sulfur cycling and microbial diversity

    SciTech Connect (OSTI)

    Adams, MM; Hoarfrost, AL; Bose, A; Joye, SB; Girguis, PR

    2013-05-14

    Short-chain alkanes play a substantial role in carbon and sulfur cycling at hydrocarbon-rich environments globally, yet few studies have examined the metabolism of ethane (C-2), propane (C-3), and butane (C-4) in anoxic sediments in contrast to methane (C-1). In hydrothermal vent systems, short-chain alkanes are formed over relatively short geological time scales via thermogenic processes and often exist at high concentrations. The sediment-covered hydrothermal vent systems at Middle Valley (MV Juan de Fuca Ridge) are an ideal site for investigating the anaerobic oxidation of C-1-C-4 alkanes, given the elevated temperatures and dissolved hydrocarbon species characteristic of these metalliferous sediments. We examined whether MV microbial communities oxidized C-1-C-4 alkanes under mesophilic to thermophilic sulfate-reducing conditions. Here we present data from discrete temperature (25, 55, and 75 degrees C) anaerobic batch reactor incubations of MV sediments supplemented with individual alkanes. Co-registered alkane consumption and sulfate reduction (SR) measurements provide clear evidence for C-1-C-4 alkane oxidation linked to SR over time and across temperatures. In these anaerobic batch reactor sediments, 16S ribosomal RNA pyrosequencing revealed that Deltaproteobacteria, particularly a novel sulfate-reducing lineage, were the likely phylotypes mediating the oxidation of C-2-C-4 alkanes. Maximum C-1-C-4 alkane oxidation rates occurred at 55 degrees C, which reflects the mid-core sediment temperature profile and corroborates previous studies of rate maxima for the anaerobic oxidation of methane (AOM). Of the alkanes investigated, C-3 was oxidized at the highest rate over time, then C-4, C-2, and C-1, respectively. The implications of these results are discussed with respect to the potential competition between the anaerobic oxidation of C-2-C(4)alkanes with AOM for available oxidants and the influence on the fate of C-1 derived from these hydrothermal systems.

  13. SU-E-I-56: Scan Angle Reduction for a Limited-Angle Intrafraction Verification (LIVE) System

    SciTech Connect (OSTI)

    Ren, L; Zhang, Y; Yin, F [Duke University Medical Center, Durham, NC (United States)

    2014-06-01

    Purpose: To develop a novel adaptive reconstruction strategy to further reduce the scanning angle required by the limited-angle intrafraction verification (LIVE) system for intrafraction verification. Methods: LIVE acquires limited angle MV projections from the exit fluence of the arc treatment beam or during gantry rotation between static beams. Orthogonal limited-angle kV projections are also acquired simultaneously to provide additional information. LIVE considers the on-board 4D-CBCT images as a deformation of the prior 4D-CT images, and solves the deformation field based on deformation models and data fidelity constraint. LIVE reaches a checkpoint after a limited-angle scan, and reconstructs 4D-CBCT for intrafraction verification at the checkpoint. In adaptive reconstruction strategy, a larger scanning angle of 30° is used for the first checkpoint, and smaller scanning angles of 15° are used for subsequent checkpoints. The onboard images reconstructed at the previous adjacent checkpoint are used as the prior images for reconstruction at the current checkpoint. As the algorithm only needs to reconstruct the small deformation occurred between adjacent checkpoints, projections from a smaller scan angle provide enough information for the reconstruction. XCAT was used to simulate tumor motion baseline drift of 2mm along sup-inf direction at every subsequent checkpoint, which are 15° apart. Adaptive reconstruction strategy was used to reconstruct the images at each checkpoint using orthogonal 15° kV and MV projections. Results: Results showed that LIVE reconstructed the tumor volumes accurately using orthogonal 15° kV-MV projections. Volume percentage differences (VPDs) were within 5% and center of mass shifts (COMS) were within 1mm for reconstruction at all checkpoints. Conclusion: It's feasible to use an adaptive reconstruction strategy to further reduce the scan angle needed by LIVE to allow faster and more frequent intrafraction verification to minimize the treatment errors in lung cancer treatments. Grant from Varian Medical System.

  14. Poster — Thur Eve — 42: Radiochromic film calibration for low-energy seed brachytherapy dose measurement

    SciTech Connect (OSTI)

    Morrison, H; Menon, G; Sloboda, R

    2014-08-15

    The purpose of this study was to investigate the accuracy of radiochromic film calibration procedures used in external beam radiotherapy when applied to I-125 brachytherapy sources delivering higher doses, and to determine any necessary modifications to achieve similar accuracy in absolute dose measurements. GafChromic EBT3 film was used to measure radiation doses upwards of 35 Gy from 6 MV, 75 kVp and (?28 keV) I-125 photon sources. A custom phantom was used for the I-125 irradiations to obtain a larger film area with nearly constant dose to reduce the effects of film heterogeneities on the optical density (OD) measurements. RGB transmission images were obtained with an Epson 10000XL flatbed scanner, and calibration curves relating OD and dose using a rational function were determined for each colour channel and at each energy using a non-linear least square minimization method. Differences found between the 6 MV calibration curve and those for the lower energy sources are large enough that 6 MV beams should not be used to calibrate film for low-energy sources. However, differences between the 75 kVp and I-125 calibration curves were quite small; indicating that 75 kVp is a good choice. Compared with I-125 irradiation, this gives the advantages of lower type B uncertainties and markedly reduced irradiation time. To obtain high accuracy calibration for the dose range up to 35 Gy, two-segment piece-wise fitting was required. This yielded absolute dose measurement accuracy above 1 Gy of ?2% for 75 kVp and ?5% for I-125 seed exposures.

  15. Sci—Thur AM: YIS - 04: Gold Nanoparticle Enhanced Arc Radiotherapy: A Monte Carlo Feasibility Study

    SciTech Connect (OSTI)

    Koger, B; Kirkby, C

    2014-08-15

    Introduction: The use of gold nanoparticles (GNPs) in radiotherapy has shown promise for therapeutic enhancement. In this study, we explore the feasibility of enhancing radiotherapy with GNPs in an arc-therapy context. We use Monte Carlo simulations to quantify the macroscopic dose-enhancement ratio (DER) and tumour to normal tissue ratio (TNTR) as functions of photon energy over various tumour and body geometries. Methods: GNP-enhanced arc radiotherapy (GEART) was simulated using the PENELOPE Monte Carlo code and penEasy main program. We simulated 360° arc-therapy with monoenergetic photon energies 50 – 1000 keV and several clinical spectra used to treat a spherical tumour containing uniformly distributed GNPs in a cylindrical tissue phantom. Various geometries were used to simulate different tumour sizes and depths. Voxel dose was used to calculate DERs and TNTRs. Inhomogeneity effects were examined through skull dose in brain tumour treatment simulations. Results: Below 100 keV, DERs greater than 2.0 were observed. Compared to 6 MV, tumour dose at low energies was more conformai, with lower normal tissue dose and higher TNTRs. Both the DER and TNTR increased with increasing cylinder radius and decreasing tumour radius. The inclusion of bone showed excellent tumour conformality at low energies, though with an increase in skull dose (40% of tumour dose with 100 keV compared to 25% with 6 MV). Conclusions: Even in the presence of inhomogeneities, our results show promise for the treatment of deep-seated tumours with low-energy GEART, with greater tumour dose conformality and lower normal tissue dose than 6 MV.

  16. SU-E-T-602: Beryllium Seeds Implant for Photo-Neutron Yield Using External Beam Therapy

    SciTech Connect (OSTI)

    Koren, S; Veltchev, I; Furhang, E

    2014-06-01

    Purpose: To evaluate the Neutron yield obtained during prostate external beam irradiation. Methods: Neutrons, that are commonly a radiation safety concern for photon beams with energy above 10 MV, are induced inside a PTV from Beryllium implemented seeds. A high megavoltage photon beam delivered to a prostate will yield neutrons via the reaction Be-9(?,n)2?. Beryllium was chosen for its low gamma,n reaction cross-section threshold (1.67 MeV) to be combined with a high feasible 25 MV photon beam. This beam spectra has a most probable photon energy of 2.5 to 3.0 MeV and an average photon energy of about 5.8 MeV. For this feasibility study we simulated a Beryllium-made common seed dimension (0.1 cm diameter and 0.5 cm height) without taking into account encapsulation. We created a 0.5 cm grid loading pattern excluding the Urethra, using Variseed (Varian inc.) A total of 156 seeds were exported to a 4cm diameter prostate sphere, created in Fluka, a particle transport Monte Carlo Code. Two opposed 25 MV beams were simulated. The evaluation of the neutron dose was done by adjusting the simulated photon dose to a common prostate delivery (e.g. 7560 cGy in 42 fractions) and finding the corresponding neutron dose yield from the simulation. A variance reduction technique was conducted for the neutrons yield and transported. Results: An effective dose of 3.65 cGy due to neutrons was found in the prostate volume. The dose to central areas of the prostate was found to be about 10 cGy. Conclusion: The neutron dose yielded does not justify a clinical implant of Beryllium seeds. Nevertheless, one should investigate the Neutron dose obtained when a larger Beryllium loading is combined with commercially available 40 MeV Linacs.

  17. Improved DC Gun and Insulator Assembly

    SciTech Connect (OSTI)

    Neubauer, Michael; Johnson, Rolland P

    2015-01-11

    Many user facilities such as synchrotron radiation light sources and free electron lasers rely on DC high voltage photoguns with internal field gradients as high as 10 to 15 MV/m. These high gradients often lead to field emission which poses serious problems for the photocathode used to generate the electron beam and the ceramic insulators used to bias the photocathode at high voltage. Ceramic insulators are difficult to manufacture, require long commissioning times, and have poor reliability, in part because energetic electrons bury themselves in the ceramic causing a buildup of charge and eventual puncture, and also because large diameter ceramics are difficult to braze reliably. The lifetimes of photo cathodes inside high current DC guns exhibiting field emission are limited to less than a hundred hours. Reducing the surface gradients on the metals reduces the field emission, which serves to maintain the required ultrahigh vacuum condition. A novel gun design with gradients around 5 MV/m and operating at 350 kV, a major improvement over existing designs, was proposed that allows for the in-situ replacement of photo cathodes in axially symmetric designs using inverted ceramics. In this project, the existing JLAB CEBAF asymmetric gun design with an inverted ceramic support was modeled and the beam dynamics characterized. An improved structure was designed that reduces the surface gradients and improves the beam optics. To minimize the surface gradients, a number of electrostatic gun designs were studied to determine the optimum configuration of the critical electrodes within the gun structure. Coating experiments were carried out to create a charge dissipative coating for cylindrical ceramics. The phase II proposal, which was not granted, included the design and fabrication of an axially symmetric DC Gun with an inverted ceramic that would operate with less than 5 MV/m at 350 kV and would be designed with an in-situ replaceable photo-cathode.

  18. RF Processing Experience with the GTF Prototype RF Gun

    SciTech Connect (OSTI)

    Schmerge, J.F.

    2010-11-24

    The SSRL Gun Test Facility (GTF) was built to develop a high brightness electron injector for the LCLS and has been operational since 1996. A total of five different metal cathodes (4 Cu and 1 Mg) have been installed on the GTF gun. The rf processing history with the different cathodes will be presented including peak field achieved at the cathode. The LCLS gun is intended to operate at 120 MV/m and fields up to 140 MV/m have been achieved in the GTF gun. After installing a new cathode the number of rf pulses required to reach 120 MV/m is approximately 5-10 million. Total emitted dark current and Fowler Nordheim plots are also shown over the life of the cathode. The GTF photo-injector gun is an S-band standing-wave structure, with two resonant cavities and an intervening thick washer (Figure 1). The flat, back wall of the first cavity is a copper plate that serves as photocathode when illuminated with ultraviolet light from a pulsed, high-power laser. RF power enters the gun through an iris on the outer wall of the second cavity, and is coupled to the first through the axial opening of the washer. The first cavity is often referred to as a half cell, because its full-cell length has been truncated by the cathode plate and the second cavity is called the full cell. The gun is designed to operate in a {pi} mode, with the peak field on axis in each cell approximately equal. The maximum in the half cell occurs at the cathode, and in the full cell near the center of the cavity. The field profile and tuning procedures are discussed in a separate tech note [1].

  19. Remnant PbI{sub 2}, an unforeseen necessity in high-efficiency hybrid perovskite-based solar cells?

    SciTech Connect (OSTI)

    Cao, Duyen H.; Stoumpos, Constantinos C.; Malliakas, Christos D.; Katz, Michael J.; Hupp, Joseph T. E-mail: m-kanatzidis@northwestern.edu; Kanatzidis, Mercouri G. E-mail: m-kanatzidis@northwestern.edu; Farha, Omar K.

    2014-09-01

    Perovskite-containing solar cells were fabricated in a two-step procedure in which PbI{sub 2} is deposited via spin-coating and subsequently converted to the CH{sub 3}NH{sub 3}PbI{sub 3} perovskite by dipping in a solution of CH{sub 3}NH{sub 3}I. By varying the dipping time from 5 s to 2 h, we observe that the device performance shows an unexpectedly remarkable trend. At dipping times below 15 min the current density and voltage of the device are enhanced from 10.1 mA/cm{sup 2} and 933 mV (5 s) to 15.1 mA/cm{sup 2} and 1036 mV (15 min). However, upon further conversion, the current density decreases to 9.7 mA/cm{sup 2} and 846 mV after 2 h. Based on X-ray diffraction data, we determined that remnant PbI{sub 2} is always present in these devices. Work function and dark current measurements showed that the remnant PbI{sub 2} has a beneficial effect and acts as a blocking layer between the TiO{sub 2} semiconductor and the perovskite itself reducing the probability of back electron transfer (charge recombination). Furthermore, we find that increased dipping time leads to an increase in the size of perovskite crystals at the perovskite-hole-transporting material interface. Overall, approximately 15 min dipping time (?2% unconverted PbI{sub 2}) is necessary for achieving optimal device efficiency.

  20. SU-E-T-570: Management of Radiation Oncology Patients with Cochlear Implant and Other Bionic Devices in the Brain and Head and Neck Regions

    SciTech Connect (OSTI)

    Guo, F.Q; Chen, Z; Nath, R

    2014-06-01

    Purpose: To investigate the current status of clinical usage of cochlear implant (CI) and other bionic devices (BD) in the brain and head and neck regions (BH and N) and their management in patients during radiotherapy to ensure patient health and safety as well as optimum radiation delivery. Methods: Literature review was performed with both CIs and radiotherapy and their variants as keywords in PubMed, INSPEC and other sources. The focus was on CIs during radiotherapy, but it also included other BDs in BH?N, such as auditory brainstem implant, bionic retinal implant, and hearing aids, among others. Results: Interactions between CIs and radiation may cause CIs malfunction. The presence of CIs may also cause suboptimum dose distribution if a treatment plan was not well designed. A few studies were performed for the hearing functions of CIs under irradiations of 4 MV and 6 MV x-rays. However, x-rays with higher energies (10 to 18 MV) broadly used in radiotherapy have not been explored. These higher energetic beams are more damaging to electronics due to strong penetrating power and also due to neutrons generated in the treatment process. Modern CIs are designed with more and more complicated integrated circuits, which may be more susceptible to radiation damage and malfunction. Therefore, careful management is important for safety and treatment outcomes. Conclusion: Although AAPM TG-34, TG-63, and TG-203 (update of TG-34, not published yet) reports may be referenced for management of CIs and other BDs in the brain and H and N regions, a site- and device-specified guideline should be developed for CIs and other BDs. Additional evaluation of CI functions under clinically relevant set-ups should also be performed to provide clinicians with better knowledge in clinical decision making.