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1,370 Matching Results
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Oral History Interview with Charles Walter Bernhardt, July 24, 2004
The National Museum of the Pacific War presents an oral interview with Charles Walter Bernhardt discussing where he grew up and stories from his childhood. He shares some of his experiences being stationed in Hawaii and fighting in the Pacific Theatre during World War Two, as well as some of the experiences of his friends and people he's met.
Date:
July 24, 2004
Creator:
Bernhardt, Charles Walter; Tombaug, John & Meter, Peg Van
Object Type:
Text
System:
The Portal to Texas History
Dispersion of waves in porous cylinders with patchy saturation Part I. Formulaton and torsional waves
Laboratory experiments on wave propagation through saturated and partially saturated porous media have often been conducted on porous cylinders that were initially fully saturated and then allowed to dry while continuing to acquire data on the wave behavior. Since it is known that drying typically progresses from outside to inside, a sensible physical model of this process is concentric cylinders having different saturation levels--the simplest example being a fully dry outer cylindrical shell together with a fully wet inner cylinder. We use this model to formulate the equations for wave dispersion in porous cylinders for patchy saturation (i.e. drainage) conditions. In addition to multiple modes of propagation obtained numerically from these dispersion relations, we find two distinct analytical expressions for torsional wave modes. We solve the dispersion relation for torsional waves for two examples: Massillon sandstone and Sierra White granite. The drainage analysis appears to give improved agreement with the data for both these materials.
Date:
July 28, 2004
Creator:
Berryman, J G & Pride, S R
Object Type:
Article
System:
The UNT Digital Library
Savannah River Ecology Laboratory 2004 Annual Technical Progress Report
2004 annual report of research conducted by the Savannah River Ecology Laboratory, a research unit of The University of Georgia operating on the Savannah River Site in Aiken, South Carolina
Date:
July 29, 2004
Creator:
Bertsch, Paul M.
Object Type:
Report
System:
The UNT Digital Library
Proposals for Intelligence Reorganization, 1949-2004
None
Date:
July 29, 2004
Creator:
Best, Richard A., Jr.
Object Type:
Report
System:
The UNT Digital Library
Flat Tax Proposals and Fundamental Tax Reform: An Overview
None
Date:
July 16, 2004
Creator:
Bickley, James M.
Object Type:
Report
System:
The UNT Digital Library
U.N. System Funding: Congressional Issues
This report includes information regarding congressional issues of United Nations system funding. Topics of discussion include United Nations assessed budgets, voluntary programs, and peacekeeping operations.
Date:
July 22, 2004
Creator:
Bite, Vita
Object Type:
Report
System:
The UNT Digital Library
[Flyer: Acting Workshop]
Flyer advertising an acting class hosted by Tommie Stewart and produced by the Black Academy of Arts and Letters for July 14-16, 2004 at the Jarvis Center for Performing Arts.
Date:
July 2004
Creator:
Black Academy of Arts and Letters
Object Type:
Pamphlet
System:
The UNT Digital Library
[Flyer: Media Launch Announcement Party]
Flyer advertising an announcement celebration hosted by the Black Academy of Arts and Letters on July 22, 2004 at the Latino Cultural Center.
Date:
July 2004
Creator:
Black Academy of Arts and Letters
Object Type:
Pamphlet
System:
The UNT Digital Library
[Program: Dreamz Remix]
Program for a musical produced by the Black Academy of Arts and Letters for July 22-24, 2004 at the Dallas Convention Center Theatre Complex.
Date:
July 2004
Creator:
Black Academy of Arts and Letters
Object Type:
Pamphlet
System:
The UNT Digital Library
A Brief Case for the MICE Experiment
This is a brief prepared for the NSF management to explain the particle and accelerator physics motivations for MICE.
Date:
July 22, 2004
Creator:
Blondel, Alain; Kaplan, Daniel; Long, Kenneth & Zisman, Michael S.
Object Type:
Report
System:
The UNT Digital Library
High Brightness Electron Guns for Next-Generation Light Sources and Accelerators.
Next-generation light sources and accelerators are being proposed that set unique requirements for the electron source parameters. No single source is suitable for the diverse applications, which have operating characteristics ranging from high-average-current, quasi-CW, to high-peak-current, single-pulse electron beams. Advanced Energy Systems, in collaboration with our various partners, is developing a variety of electron gun concepts for these important applications.
Date:
July 5, 2004
Creator:
Bluem, H. P.; Ben-Zvi, Ilan; Srinivasan-Rao, T. & AL., ET
Object Type:
Article
System:
The UNT Digital Library
Corrective Action Decision Document for Corrective Action Unit 140: Waste Dumps, Burn Pits, and Storage Area, Nevada Test Site, Nevada, Revision 1 with ROTC 1
None
Date:
July 1, 2004
Creator:
Boehlecke, Robert
Object Type:
Report
System:
The UNT Digital Library
Intra-species sequence comparisons for annotating genomes
Analysis of sequence variation among members of a single species offers a potential approach to identify functional DNA elements responsible for biological features unique to that species. Due to its high rate of allelic polymorphism and ease of genetic manipulability, we chose the sea squirt, Ciona intestinalis, to explore intra-species sequence comparisons for genome annotation. A large number of C. intestinalis specimens were collected from four continents and a set of genomic intervals amplified, resequenced and analyzed to determine the mutation rates at each nucleotide in the sequence. We found that regions with low mutation rates efficiently demarcated functionally constrained sequences: these include a set of noncoding elements, which we showed in C intestinalis transgenic assays to act as tissue-specific enhancers, as well as the location of coding sequences. This illustrates that comparisons of multiple members of a species can be used for genome annotation, suggesting a path for the annotation of the sequenced genomes of organisms occupying uncharacterized phylogenetic branches of the animal kingdom and raises the possibility that the resequencing of a large number of Homo sapiens individuals might be used to annotate the human genome and identify sequences defining traits unique to our species. The sequence data …
Date:
July 15, 2004
Creator:
Boffelli, Dario; Weer, Claire V.; Weng, Li; Lewis, Keith D.; Shoukry, Malak I.; Pachter, Lior et al.
Object Type:
Article
System:
The UNT Digital Library
Accounting for fuel price risk when comparing renewable togas-fired generation: the role of forward natural gas prices
Unlike natural gas-fired generation, renewable generation (e.g., from wind, solar, and geothermal power) is largely immune to fuel price risk. If ratepayers are rational and value long-term price stability, then--contrary to common practice--any comparison of the levelized cost of renewable to gas-fired generation should be based on a hedged gas price input, rather than an uncertain gas price forecast. This paper compares natural gas prices that can be locked in through futures, swaps, and physical supply contracts to contemporaneous long-term forecasts of spot gas prices. We find that from 2000-2003, forward gas prices for terms of 2-10 years have been considerably higher than most contemporaneous long-term gas price forecasts. This difference is striking, and implies that comparisons between renewable and gas-fired generation based on these forecasts over this period have arguably yielded results that are biased in favor of gas-fired generation.
Date:
July 17, 2004
Creator:
Bolinger, Mark; Wiser, Ryan & Golove, William
Object Type:
Article
System:
The UNT Digital Library
Potential Military Use of Airships and Aerostats
None
Date:
July 15, 2004
Creator:
Bolkcom, Christopher
Object Type:
Report
System:
The UNT Digital Library
Tactical Aircraft Modernization: Issues for Congress
This report includes discussion of congressional issues regarding tactical aircraft modernization. Major tactical aircraft programs, affordability, and service roles are among topics discussed in this report.
Date:
July 13, 2004
Creator:
Bolkcom, Christopher
Object Type:
Report
System:
The UNT Digital Library
Coated Metal Articles and Method of Making
The method of protectively coating metallic uranium which comprises dipping the metallic uranium in a molten alloy comprising about 20-75% of copper and about 80-25% of tin, dipping the coated uranium promptly into molten tin, withdrawing it from the molten tin and removing excess molten metal, thereupon dipping it into a molten metal bath comprising aluminum until it is coated with this metal, then promptly withdrawing it from the bath.
Date:
July 6, 2004
Creator:
Boller, Ernest R. & Eubank, Lowell D.
Object Type:
Text
System:
The UNT Digital Library
Lattice disorder and magnetism in f-electron intermetallics
Real materials can have real differences compared to ideal systems. For instance, non-Fermi liquid (NFL) behavior was initially thought to be due to chemical disorder, since the first such materials were all substituted. Although several nominally well-ordered NFL's have been discovered and extensively studied, the effect of disorder on the magnetic properties of f-electron intermetallic systems remains poorly understood. Disorder in NFL systems is reviewed from an experimental, local structure point of view, including a discussion of results on the nominally ordered U{sub 3}Ni{sub 3}Sn{sub 4} and CeCoIn{sub 5} systems, and the chemically disordered UCu{sub 4}Pd and CeRhRuSi{sub 2} systems.
Date:
July 29, 2004
Creator:
Booth, C.H.; Han, S.-W.; Skanthakumar, S. & Sarrao, J.L.
Object Type:
Article
System:
The UNT Digital Library
Storing Waste in Ceramic
Not all the nuclear waste destined for Yucca Mountain is in the form of spent fuel. Some of it will be radioactive waste generated from the production of nuclear weapons. This so-called defense waste exists mainly as corrosive liquids and sludge in underground tanks. An essential task of the U.S. high-level radioactive waste program is to process these defense wastes into a solid material--called a waste form. An ideal waste form would be extremely durable and unreactive with other repository materials. It would be simple to fabricate remotely so that it could be safely transported to a repository for permanent storage. What's more, the material should be able to tolerate exposure to intense radiation without degradation. And to minimize waste volume, the material must be able to contain high concentrations of radionuclides. The material most likely to be used for immobilization of radioactive waste is glass. Glasses are produced by rapid cooling of high-temperature liquids such that the liquid-like non-periodic structure is preserved at lower temperatures. This rapid cooling does not allow enough time for thermodynamically stable crystalline phases (mineral species) to form. In spite of their thermodynamic instability, glasses can persist for millions of years. An alternate to glass …
Date:
July 20, 2004
Creator:
Bourcier, W. L. & Sickafus, K.
Object Type:
Book
System:
The UNT Digital Library
Appropriations for FY2005: VA, HUD, and Independent Agencies
This report is a guide to one of the 13 regular appropriations bills that Congress considers each year. It summarizes the status of the bill, its scope, major issues, funding levels, and related congressional activity, and is updated as events warrant. This bill covers the Department of Veterans Affairs (VA), the Department of Housing and Urban Development (HUD), the Environmental Protection Agency (EPA), the National Aeronautics and Space Administration (NASA), and the National Science Foundation (NSF).
Date:
July 6, 2004
Creator:
Bourdon, Richard & Graney, Paul
Object Type:
Report
System:
The UNT Digital Library
Test Bed Taxonomy for Crawler
This report contains an annotated taxonomy of challenges that web crawler may encounter online.
Date:
July 2004
Creator:
Boyko, Andrew; Anderson, Martha & Jones, Gina
Object Type:
Report
System:
The UNT Digital Library
Shock Compressing Diamond to a Conducting Fluid
Laser generated shock reflectance data show that diamond undergoes a continuous transition from optically absorbing to reflecting between Hugoniot pressures 600<P{sub H}<1000 GPa. The data are consistent with diamond having a thermal population of carriers at P{sub H}{approx}600 GPa, undergoing band overlap metallization at P{sub H}{approx}1000 GPa and melting at 800<P{sub H}<1000 GPa. The results agree well with an equation of state model that predicts that elemental carbon remains solid throughout the interior of Neptune.
Date:
July 29, 2004
Creator:
Bradley, D K; Eggert, J H; Hicks, D G; Celliers, P M; Moon, S J; Cauble, R C et al.
Object Type:
Article
System:
The UNT Digital Library
Carriers of the astronomical 2175 ? extinction feature
The 2175 {angstrom} extinction feature is by far the strongest spectral signature of interstellar dust observed by astronomers. Forty years after its discovery the origin of the feature and the nature of the carrier remain controversial. The feature is enigmatic because although its central wavelength is almost invariant its bandwidth varies strongly from one sightline to another, suggesting multiple carriers or a single carrier with variable properties. Using a monochromated transmission electron microscope and valence electron energy-loss spectroscopy we have detected a 5.7 eV (2175 {angstrom}) feature in submicrometer-sized interstellar grains within interplanetary dust particles (IDPs) collected in the stratosphere. The carriers are organic carbon and amorphous silicates that are abundant and closely associated with one another both in IDPs and in the interstellar medium. Multiple carriers rather than a single carrier may explain the invariant central wavelength and variable bandwidth of the astronomical 2175 {angstrom} feature.
Date:
July 20, 2004
Creator:
Bradley, J.; Dai, Z.; Ernie, R.; Browning, N.; Graham, G.; Weber, P. et al.
Object Type:
Article
System:
The UNT Digital Library
The Goldthwaite Eagle (Goldthwaite, Tex.), Vol. 108, No. 52, Ed. 1 Wednesday, July 7, 2004
Weekly newspaper from Goldthwaite, Texas that includes local, state, and national news along with extensive advertising.
Date:
July 7, 2004
Creator:
Bridges, G. Frank & Bridges, Georgie
Object Type:
Newspaper
System:
The Portal to Texas History