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1,376 Matching Results
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Capital Punishment: Summary of Supreme Court Decisions of the 2003-2004 Term
This report is a Summary of Supreme Court Decisions of the 2003-2004 Term related to Capital Punishment.
Date:
August 12, 2004
Creator:
Wallace, Paul Starett, Jr.
Object Type:
Report
System:
The UNT Digital Library
Department of Homeland Security: Options for House and Senate Committee Organization
This report contains an overview of the options for house and senate committee organization on the Department of Homeland Security since the terrorist attacks of 2001.
Date:
August 13, 2004
Creator:
Schneider, Judy & Rundquist, Paul
Object Type:
Report
System:
The UNT Digital Library
North Korea: Terrorism List Removal?
None
Date:
August 12, 2004
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Foreign Outsourcing: Economic Implications and Policy Responses
None
Date:
August 5, 2004
Creator:
Elwell, Craig K.
Object Type:
Report
System:
The UNT Digital Library
Hydrogen and Fuel Cell Vehicle R&D: FreedomCAR and the President’s Hydrogen Fuel Initiative
This report discusses the organization, funding, and goals of the Freedom CAR and Fuel partnerships, and discusses legislation relevant to the partnerships.
Date:
August 13, 2004
Creator:
Yacobucci, Brent D.
Object Type:
Report
System:
The UNT Digital Library
The NCAA and Due Process: Legal Issues
None
Date:
August 18, 2004
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Preventive Maintenance Strategies for Compressed Air Systems;Industrial Technologies Program (ITP) Compressed Air Tip Sheet No.6
BestPractices Program tip sheet discussing preventive maintenance strategies for compressed air systems.
Date:
August 1, 2004
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
Small Wind Electric Systems: An Idaho Consumer's Guide (Revised)
Small Wind Electric Systems: An Idaho Consumer's Guide provides consumers with information to help them determine whether a small wind electric system can provide all or a portion of the energy they need for their home or business based on their wind resource, energy needs, and their economics. Topics discussed in the guide include how to make a home more energy efficient, how to choose the correct turbine size, the parts of a wind electric system, how to determine whether enough wind resource exists, how to choose the best site for a turbine, how to connect a system to the utility grid, and whether it's possible to become independent of the utility grid using wind energy. In addition, the cover of the guide contains a regional wind resource map and a list of incentives and contacts for more information.
Date:
August 1, 2004
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
Measurement of Electron Impact Collisional Excitation Cross Sections of Ni to Ga-Like Gold
None
Date:
August 24, 2004
Creator:
May, M.; Beiersdorfer, P.; Jordan, N.; Scofield, J.; Reed, K.; Hansen, S. et al.
Object Type:
Article
System:
The UNT Digital Library
Matching Shapes Using Local Descriptors
We present a method for comparing shapes of grayscale images in noisy circumstances. By establishing correspondences in a new image with a shape model, we can estimate a transformation between the new region and the model. Using a cost function for deviations from the model, we can rank resulting shape matches. We compare two separate distinct region detectors: Scale Saliency and difference of gaussians. We show that this method is successful in comparing images of fluid mixing under anisotropic geometric distortions and additive gaussian noise. Scale Saliency outperforms the difference of Gaussians in this context.
Date:
August 13, 2004
Creator:
White, R; Newsam, S & Kamath, C
Object Type:
Report
System:
The UNT Digital Library
Feasibility Study on Using Two Mixer Pumps for Tank 241-AY-102 Waste Mixing
The current waste retrieval plan at Hanford calls for using two mixer pumps to mix the waste stored in double-shell Tank 214-AY-102. The objective of this evaluation was to determine whether two rotating 300-hp mixer pumps placed 22 ft (6.7 m) off-center in the tank could adequately mix the AY-102 waste. The tank currently contains high-level waste that is 248 inches (6.3 m) deep, comprising 62 inches (1.58 m) of sludge and 186 inches (4.72 m) of supernatant liquid (Galbraith et al. 2002). Based on the available data, AY-102 waste properties were determined, including the densities of liquid and agglomerated settled solids and crystals, the volume fraction of settled solids, the solid particle size distribution, the liquid and slurry viscosities, and the yield stress in shear (shear strength) of the settled solids layer. To evaluate the likely and bounding cases of AY-102 waste mixing, sludge erosion modeling was performed with a median value of 1,090 Pa (likely condition) and a conservative (more difficult to erode) 97.5 percentile value of 2,230 Pa for shear strength. According to model predictions, the two rotating mixer pumps would erode 89% of the sludge with shear strength of 1,090 Pa. They would erode sludge up …
Date:
August 30, 2004
Creator:
Onishi, Yasuo & Wells, Beric E.
Object Type:
Report
System:
The UNT Digital Library
Compressed Air System Control Strategies; Industrial Technologies Program (ITP) Compressed Air Tip Sheet No.7
BestPractices Program tip sheet discussing compressed air system control strategies.
Date:
August 1, 2004
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
Development of the High-Pressure Direct-Injection ISX G Natural Gas Engine
Fact sheet details work by Cummins and Westport Innovations to develop a heavy-duty, low-NOx, high-pressure direct-injection natural gas engine for the Next Generation Natural Gas Vehicle activity.
Date:
August 1, 2004
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
The Position of Director of National Intelligence: Issues for Congress
None
Date:
August 13, 2004
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Proposals for Intelligence Reorganization, 1949-2004
None
Date:
August 4, 2004
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Analyzing Your Compressed Air System; Industrial Technologies Program (ITP) Compressed Air Tip Sheet No.4
BestPractices Program tip sheet discussing analysis of compressed air systems.
Date:
August 1, 2004
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
FCC Media Ownership Rules: Current Status and Issues for Congress
The Federal Communications Commission (“FCC” or “Commission”) adopted an order on June 2, 2003 that modified five of its media ownership rules and retained two others. The new rules have never gone into effect. Congress passed the FY2004 Consolidated Appropriations Act (P.L. 108-199), Sec. 629 of which instructs the FCC to modify one of the rules — the National Television Ownership rule. This report examines these rules and relevant policy issues.
Date:
August 23, 2004
Creator:
Goldfarb, Charles B.
Object Type:
Report
System:
The UNT Digital Library
Engineer End Uses for Maximum Efficiency; Industrial Technologies Program (ITP) Compressed Air Tip Sheet No.10
BestPractices Program tip sheet discussing engineer end uses for maximum efficiency.
Date:
August 1, 2004
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
Development of a GIS Based Dust Dispersion Modeling System.
With residential areas moving closer to military training sites, the effects upon the environment and neighboring civilians due to dust generated by training exercises has become a growing concern. Under a project supported by the Strategic Environmental Research and Development Program (SERDP) of the Department of Defense, a custom application named DUSTRAN is currently under development that integrates a system of EPA atmospheric dispersion models with the ArcGIS application environment in order to simulate the dust dispersion generated by a planned training maneuver. This integration between modeling system and GIS application allows for the use of real world geospatial data such as terrain, land-use, and domain size as input by the modeling system. Output generated by the modeling system, such as concentration and deposition plumes, can then be displayed upon accurate maps representing the training site. This paper discusses the development of this integration between modeling system and Arc GIS application.
Date:
August 12, 2004
Creator:
Rutz, Frederick C.; Hoopes, Bonnie L.; Crandall, Duard W. & Allwine, K Jerry
Object Type:
Article
System:
The UNT Digital Library
Through Weld Inspection of Wrought Stainless Steel Piping Using Phased-Array Ultrasonic Probes.
A study was conducted to assess the ability of phased-array ultrasonic techniques to detect and accurately determine the size of flaws from the far-side of wrought austenitic piping welds. Far-side inspections of these welds are currently performed on a “best effort” basis and do not conform to ASME Code Section XI Appendix VIII performance demonstration requirements. For this study, four circumferential welds in 610mm diameter, 36mm thick ASTM A-358, Grade 304 vintage austenitic stainless steel pipe were examined. The welds were fabricated with varied welding parameters; both horizontal and vertical pipe orientations were used, with air and water backing, to simulate field welding conditions. A series of saw cuts, electro-discharge machined (EDM) notches, and implanted fatigue cracks were placed into the heat affected zones of the welds. The saw cuts and notches range in depth from 7.5% to 28.4% through-wall. The implanted cracks ranged in depth from 5% through wall to 64% through wall. The welds were examined with two phased-array probes, a 2.0 MHz transmit-receive longitudinal wave array and a 2.0 MHz transmit-receive shear wave array. These examinations showed that both phased-array transducers were able to detect and accurately length-size, but not depth size, all of the notches and …
Date:
August 5, 2004
Creator:
Anderson, Michael T.; Cumblidge, Stephen E. & Doctor, Steven R.
Object Type:
Article
System:
The UNT Digital Library
Groundwater Data Package for the 2004 Composite Analysis
This report presents data and information that supports the groundwater module. The conceptual model of groundwater flow and transport at the Hanford Site is described and specific information applied in the numerical implementation module is provided.
Date:
August 11, 2004
Creator:
Thorne, Paul D.
Object Type:
Report
System:
The UNT Digital Library
The Response of Plant Carbohydrates to Elevated CO2: What Have We Learnt From Face Studies?
Atmospheric CO{sub 2} concentration ([CO{sub 2}]) is expected to rise from a current level of 372 {micro}mol mol{sup -1} to about 550 {micro}mol mol{sup -1} by the middle of the century (Prentice 2001). Accumulation of foliar carbohydrates is one of the most pronounced and universal changes observed in the leaves of C{sub 3} plants grown at elevated [CO{sub 2}] (Drake et al 1997). Carbohydrates are the product of photosynthetic cells and the substrate for sink metabolism. However, carbohydrates are not just substrates, changes in the composition and pool size of foliar carbohydrates have the potential to communicate source-sink balance and a role for carbohydrates in the regulation of the expression of many plant genes is well established (Koch 1996). Importantly, carbohydrate feedback is thought to be the mechanism through which long-term exposure to elevated [CO{sub 2}] leads to a reduction in carboxylation capacity (Rogers et a1 199S, Long et al 2004). Foliar sugar content has recently been linked to an increased susceptibility of soybeans to insect herbivory (Hamilton et al submitted). In addition increases in the C:N ratio of leaf litter of plants grown at elevated [CO{sub 2}] has been implicated in negative feedbacks on ecosystem productivity (Oechel et al …
Date:
August 29, 2004
Creator:
Rogers, A.; Ainsworth, E. A.; Bernacchi, C. J.; Gibon, Y.; Stitt, M. & Long, S. P.
Object Type:
Article
System:
The UNT Digital Library
NUCLEAR-OPTICAL CONVERTERS FOR NEUTRON DETECTION
Nuclear-optical converters (NOC) are fission chambers based upon fission fragment energy conversion to optical radiation in gas luminescent media. The All-Russia Scientific Research Institute of Experimental Physics (VNIIEF) has demonstrated that it is possible to construct nuclear-optical converters with characteristics appropriate for a wide-range of measuring applications including neutron detection in nuclear power plants. These detectors may be used a number of different modes: pulse count, luminescent (equivalent to current mode in ionization detectors), and lasing (essentially a neutron switch). NOCs offer a number of potential advantages over ionization detectors. The detectors require no power supply. Signals are transmitted via light-pipe or fiber optics rather than insulated electrical cable. The detectors are less sensitive to gamma radiation. NOC can produce large signals, obviating the need for pre-amplifiers near the detector. It is possible to construct a single detector which measures flux at many discrete points and at the same time provides total flux along a line containing these discrete points. This paper describes the construction and testing of NOC at VNIIEF; the range of characteristics thought to be reasonably attainable with nuclear-optical converters, and possible applications to nuclear power plant instrumentation.
Date:
August 20, 2004
Creator:
Sinyanskii, A A; Melnikov, S P; Dovbysh, L E & Johnson, G L
Object Type:
Article
System:
The UNT Digital Library
Optical Probes For Continuous Fabry-Perot Velocimetry Inside Materials
We have used velocimetry for many years at LLNL to measure velocity-time histories of surfaces in dynamic experiments. We have developed and now use special instrumentation to make continuous shock-velocity measurements inside of materials. The goal is to extend the field of velocimetry into a new area of application in shock physics. At the last Congress we reported the successful use of our new filter system for selectively eliminating most of the non- Doppler-shifted light. We showed one record of a fiber embedded inside an explosive making a continuous detonation velocity-time history. At that time it was difficult to obtain complete records. We have now carried out over 65 inexpensive experiments usually using small cylinders or rectangular blocks of explosives or metals. Most were started by detonating a 25 mm diam by 25 mm long cylinder of Comp B explosive to drive a shock into an adjacent material of similar dimensions, using our embedded fiber probes. In contrast to surface velocimetry, embedded measurements involve detailed hydrodynamic considerations in order to result in a successful record. Calculations have guided us in understanding of various failed and successful experiments. The homogeneity of the explosive, poor contact, the materials used in the cladding …
Date:
August 11, 2004
Creator:
Goosman, D.; Wade, J.; Garza, R.; Avara, G.; Crabtree, T.; Rivera, A. et al.
Object Type:
Article
System:
The UNT Digital Library