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World Sheet Commuting beta-gamma CFT and Non-Relativistic StringTheories

Description: We construct a sigma model in two dimensions with Galilean symmetry in flat target space similar to the sigma model of the critical string theory with Lorentz symmetry in 10 flat spacetime dimensions. This is motivated by the works of Gomis and Ooguri[1] and Danielsson et. al.[2, 3]. Our theory is much simpler than their theory and does not assume a compact coordinate. This non-relativistic string theory has a bosonic matter {beta}{gamma} CFT with the conformal weight of {beta} as 1. It is natu… more
Date: August 30, 2007
Creator: Kim, Bom Soo
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Overview of the National Ignition Facility

Description: The National Ignition Facility (NIF) at Lawrence Livermore National Laboratory will be the world's largest and most powerful laser system for inertial confinement fusion (ICF) and experiments studying high energy density (HED) science. NIF is a 192 beam Nd-glass laser facility that will produce 1.8 MJ, 500 TW of ultraviolet light making it over fifty times more energetic than present ICF facilities. The NIF Project began in 1995 and is scheduled for completion in 2009. Ignition experiments on N… more
Date: August 30, 2007
Creator: Moses, Edward
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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TASI Lectures on the cosmological constant

Description: The energy density of the vacuum, Lambda, is at least 60 orders of magnitude smaller than several known contributions to it. Approaches to this problem are tightly constrained by data ranging from elementary observations to precision experiments. Absent overwhelming evidence to the contrary, dark energy can only be interpreted as vacuum energy, so the venerable assumption that Lambda=0 conflicts with observation. The possibility remains that Lambda is fundamentally variable, though constant ove… more
Date: August 30, 2007
Creator: Bousso, Raphael & Bousso, Raphael
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Mechanical and Electrical Properties of CdTe Tetrapods Studied byAtomic Force Microscopy

Description: The mechanical and electrical properties of CdTe tetrapod-shaped nanocrystals have been studied with atomic force microscopy. Tapping mode images of tetrapods deposited on silicon wafers revealed that they contact the surface with the ends of three arms. The length of these arms was found to be 130 {+-} 10 nm. A large fraction of the tetrapods had a shortened vertical arm as a result of fracture during sample preparation. Fracture also occurs when the applied load is a few nanonewtons. Compress… more
Date: August 30, 2007
Creator: Fang, Liang; Park, Jeong Young; Cui, Yi; Alivisatos, Paul; Shcrier, Joshua; Lee, Byounghak et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Characterization and Actual Waste Test With Tank 5f Samples

Description: The initial phase of bulk waste removal operations was recently completed in Tank 5F. Video inspection of the tank indicates several mounds of sludge still remain in the tank. Additionally, a mound of white solids was observed under Riser 5. In support of chemical cleaning and heel removal programs, samples of the sludge and the mound of white solids were obtained from the tank for characterization and testing. A core sample of the sludge and Super Snapper sample of the white solids were charac… more
Date: August 30, 2007
Creator: Fletcher, D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Final Report: Model interacting particle systems for simulation and macroscopic description of particulate suspensions

Description: Suspensions of solid particles in liquids appear in numerous applications, from environmental settings like river silt, to industrial systems of solids transport and water treatment, and biological flows such as blood flow. Despite their importance, much remains unexplained about these complicated systems. Mucha's research aims to improve understanding of basic properties of suspensions through a program of simulating model interacting particle systems with critical evaluation of proposed conti… more
Date: August 30, 2007
Creator: Mucha, Peter J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Remaining Sites Verification Package for the 1607-B1 Septic System, Waste Site Reclassification Form 2007-015

Description: The 1607-B1 Septic System includes a septic tank, drain field, and associated connecting pipelines and influent sanitary sewer lines. This septic system serviced the former 1701-B Badgehouse, 1720-B Patrol Building/Change Room, and the 1709-B Fire Headquarters. The 1607-B1 waste site received unknown amounts of nonhazardous, nonradioactive sanitary sewage from these facilities during its operational history from 1944 to approximately 1970. In accordance with this evaluation, the confirmatory sa… more
Date: August 30, 2007
Creator: Dittmer, L. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Rayleigh-Taylor Shock Waves

Description: Beginning from a state of hydrostatic equilibrium, in which a heavy gas rests atop a light gas in a constant gravitational field, Rayleigh-Taylor instability at the interface will launch a shock wave into the upper fluid. The rising bubbles of lighter fluid act like pistons, compressing the heavier fluid ahead of the fronts and generating shocklets. These shocklets coalesce in multidimensional fashion into a strong normal shock, which increases in strength as it propagates upwards. Large-eddy s… more
Date: August 30, 2007
Creator: Olson, B J & Cook, A W
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Congressional Salaries and Allowances

Description: This report provides basic information on congressional salaries and allowances. The report briefly summarizes the current salary of Members of Congress, limits on their outside earned income and honoraria, and applicable health insurance and retirement benefits. The report also provides information on allowances available to Representatives and Senators. Lastly, this report lists the salaries of congressional officers and officials and committee staff.
Date: August 30, 2007
Creator: Brudnick, Ida A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

COMPARISONS FOR RAMS MODELS (V3A, V4.3 AND V6.0)

Description: The Regional Atmospheric Modeling System (RAMS) is an atmospheric numerical model developed by scientists at Colorado State University and the ASTER Division of Mission Research Corporation for simulating and forecasting meteorological phenomena. RAMS v3a and v4.3 are being used by the Savannah River National Laboratory (SRNL) as an operational tool for weather forecast and emergency response for the Savannah River Site (SRS). ATmospheric, Meteorological, and Environmental Technologies (ATMET) … more
Date: August 30, 2007
Creator: Chen, K
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

E85 Retail Business Case: When and Why to Sell E85

Description: Agenda: {lg_bullet} Convey current state of the retail gasoline market {lg_bullet} Explore E85 as part of the solution {lg_bullet} Test the profitability of E85 as an investment {lg_bullet} Give retailers guidance to assess if E85 would be a good investment for them
Date: August 30, 2007
Creator: Johnson, C.
Item Type: Refine your search to only Presentation
Partner: UNT Libraries Government Documents Department
open access

INTERACTIONS AMONG PHOSPHATE AMENDMENTS, MICROBES AND URANIUM MOBILITY IN CONTAMINATED SEDIMENTS

Description: The use of sequestering agents for the transformation of radionuclides in low concentrations in contaminated soils/sediments offers considerable potential for long-term environmental cleanup. This study evaluated the influence of four phosphate amendments and two microbial amendments on U availability. The synchrotron X-ray fluorescence mapping of the untreated U-contaminated sediment showed that U was closely associated with Mn. All tested phosphate amendments reduced aqueous U concentration m… more
Date: August 30, 2007
Creator: Knox, A
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Truss-Integrated Thermoformed Ductwork Final Technical Report

Description: This report summarizes a multi-year research effort to develop a leak-free duct system that can be readily installed within the thermal envelope. There are numerous efforts underway to improve duct system efficiency. Most of these involve modifications to current technology such as air sealing techniques like mastic and aeroseal, snap together duct connections, and greater levels of insulation. This project sought to make a more significant stride forward by introducing a duct system of a mater… more
Date: August 30, 2007
Creator: Winter, Steven; Griffiths, Dianne & Gorthala, Ravi
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Low-Income Home Energy Assistance Program (LIHEAP) Allocation Rates: Legislative History and Current Law

Description: This report discusses the legislative history and current law regarding the Low-Income Home Energy Assistance Program (LIHEAP), which provides funds to states so that they may help low-income households pay home energy expenses.
Date: August 30, 2007
Creator: Perl, Libby
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Ocean Dumping Act: A Summary of the Law

Description: The Marine Protection, Research, and Sanctuaries Act of 1972 (MPRSA, P.L. 92-532) has two basic aims: to regulate intentional ocean disposal of materials, and to authorize related research. This report presents a summary of the law, describing the essence of the statute.
Date: August 30, 2007
Creator: Copeland, Claudia
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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