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434 Matching Results
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SUMMARY REPORT DIRECT PUSH TECHNOLOGY BOREHOLES FOR GEOPHYSICAL LOGGING 200-IS-1 OPERABLE UNIT FY2008
None
Date:
February 10, 2009
Creator:
AK, LEE
Object Type:
Report
System:
The UNT Digital Library
Instrument, System and Method for Automated Low Cost Atmospheric Measurements
Patent relating to an instrument, system and method for automated low cost atmospheric measurements.
Date:
May 11, 2006
Creator:
Acevedo, Miguel F.; Waller, William T. & Nebgen, Gilbert B.
Object Type:
Patent
System:
The UNT Digital Library
U.S.-European Union Trade Relations: Issues and Policy Challenges
None
Date:
February 10, 2005
Creator:
Ahearn, Raymond J.
Object Type:
Report
System:
The UNT Digital Library
Timpson & Tenaha News (Timpson, Tex.), Vol. 20, No. 6, Ed. 1 Thursday, February 10, 2005
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
February 10, 2005
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Double-shell target design for the NIF: Noncryogenic ignition and nonlinear mix studies for Stockpile Stewardship
Double-shell ignition is complementary to the baseline approach by virtue of not requiring: (1) cryogenic preparation and fielding, (2) high-contrast pulse-shaping for shock-timing, and (3) demanding x-ray flux symmetry control. The use of simpler low-contrast pulse-shaping potentially allows more benign hohlraum conditions by reducing the risk of laser backscatter. In addition, the associated higher laser fluence threshold for optics damage initiation allows the possibility of more routine high-fluence shots with 2{omega} on the NIF. Based on LDRD-sponsored research in FY01-03 on NIF double-shell ignition target designs, the feasibility of this approach was advanced through both a highly successful implosion campaign on the Omega laser facility and a variety of design improvements for mitigating instability. The double-shell implosion campaign on Omega achieved the important milestone of repeatably demonstrating dominant primary (2.45 MeV) neutron production from the mix-susceptible compressional phase of a double-shell implosion, using fall-line design optimization and exacting fabrication standards. Showing effective control of fuel-pusher mix during final compression is an essential element for achieving ignition. In our studies to control mix by reducing hydrodynamic instability a new pathway for destructive Rayleigh-Taylor growth on the outer surface of the inner shell at ignition scales was identified. However, highly resolved multi-mode …
Date:
February 10, 2004
Creator:
Amendt, P
Object Type:
Report
System:
The UNT Digital Library
Smoothing of ultrathin silver films by transition metalseeding
The nucleation and coalescence of silver islands on coated glass was investigated by in-situ measurements of the sheet resistance. Sub-monolayer amounts of transition metals (Nb, Ti, Ni, Cr, Zr, Ta, and Mo) were deposited prior to the deposition of silver. It was found that some, but not all, of the transition metals lead to coalescence of silver at nominally thinner films with smoother topology. The smoothing effect of the transition metal at sub-monolayer thickness can be explained by a thermodynamic model of surface energies.
Date:
February 10, 2006
Creator:
Anders, Andre; Byon, Eungsun; Kim, Dong-Ho; Fukuda, Kentaro & Lim,Sunnie H.N.
Object Type:
Article
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 105, No. 282, Ed. 1 Tuesday, February 10, 2004
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 10, 2004
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 106, No. 263, Ed. 1 Thursday, February 10, 2005
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 10, 2005
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Detailed Geophysical Fault Characterization in Yucca Flat, Nevada Test Site, Nevada
Yucca Flat is a topographic and structural basin in the northeastern part of the Nevada Test Site (NTS) in Nye County, Nevada. Between the years 1951 and 1992, 659 underground nuclear tests took place in Yucca Flat; most were conducted in large, vertical excavations that penetrated alluvium and the underlying Cenozoic volcanic rocks. Radioactive and other potential chemical contaminants at the NTS are the subject of a long-term program of investigation and remediation by the U.S. Department of Energy (DOE), National Nuclear Security Administration, Nevada Site Office, under its Environmental Restoration Program. As part of the program, the DOE seeks to assess the extent of contamination and to evaluate the potential risks to humans and the environment from byproducts of weapons testing. To accomplish this objective, the DOE Environmental Restoration Program is constructing and calibrating a ground-water flow model to predict hydrologic flow in Yucca Flat as part of an effort to quantify the subsurface hydrology of the Nevada Test Site. A necessary part of calibrating and evaluating a model of the flow system is an understanding of the location and characteristics of faults that may influence ground-water flow. In addition, knowledge of fault-zone architecture and physical properties is a …
Date:
February 10, 2009
Creator:
Asch, Theodore H.; Sweetkind, Donald; Burton, Bethany L. & Wallin, Erin L.
Object Type:
Report
System:
The UNT Digital Library
Defense Acquisition: Use of Lead System Integrators (LSIs) - Background, Oversight Issues, and Options for Congress
This report discusses the debate surrounding the government's use of private-sector lead system integrators (LSIs) for executing large, complex, defense-related acquisition programs, as well as related legislation.
Date:
February 10, 2009
Creator:
Bailey Grasso, Valerie
Object Type:
Report
System:
The UNT Digital Library
Development of a Fast Microfluidic Mixer for Studies of Protein Folding KineticsFinal Report Cover Page
We designed and fabricated mixing devices that will help us elucidate the mechanisms of protein folding through measurements of folding reaction rates. These devices can be used in studying of other biological systems and are compatible with various spectroscopic observation methods. The project involved development of fabrication processes and setup of a laboratory for assembly and characterization of microfluidic devices, as well as measurements of protein folding kinetics. We produced three variants of the mixer: (1) The ultra fast mixer for Foerster Resonance Energy Transfer measurements (described by Anal. Chem. Article UCRL-JRNL-206676) and MicroTAS Conference Proceedings article (UCRL-JC-153057 ) included in the report; (2) The ultra fast mixer for UV measurements (described by the poster presented at MicroTAS conference (UCRL-POST-207476) included in the report); and (3) The mixer for single molecule measurements (described by the Science article UCRL-JC-153057) included in the report. In these mixers, the channels are narrow, ranging from a few to hundreds of {micro}m, so that the flow is laminar and all of the mixing is achieved through diffusion. Our goal is to develop robust microfluidic mixer with at least 100 times lower consumption rate, shorter dead time and time resolution than commercially available mixers that would …
Date:
February 10, 2005
Creator:
Bakajin, O
Object Type:
Report
System:
The UNT Digital Library
Diffusion through Carbon Nanotube Semipermeable membranes
None
Date:
February 10, 2006
Creator:
Bakajin, O
Object Type:
Report
System:
The UNT Digital Library
Resistive Wall Wake Effect of a Grooved Vacuum Chamber
We investigate the enhancement of the resistive wall impedance of a round, metallic beam pipe with longitudinal grooves.
Date:
February 10, 2006
Creator:
Bane, K. L. F. & Stupakov, G.
Object Type:
Article
System:
The UNT Digital Library
Supporting Photovoltaics in Market-Rate Residential NewConstruction: A Summary of Programmatic Experience to Date and LessonsLearned
As a market segment for solar photovoltaic (PV) adoption, new homes have a number of attractive attributes. Homebuyers can easily roll the cost of the PV system into their tax-deductible home mortgage and, with rebates and other financial incentives, potentially achieve an immediate net-positive cash flow from the investment. New homes are amenable to building-integrated photovoltaics (BIPV), which are less susceptible to aesthetic concerns than traditional, rack-mounted systems. The performance of PV systems can be optimized on new homes by taking roof orientation and shading into account when designing the home. Perhaps most importantly, subdivisions with PV systems installed on a large number of homes offer potential cost savings from volume purchases of modules and inverters and from scale economies in system design and installation. Finally, the ability of builders to install PV as a standard feature on multiple homes in new subdivisions offers an opportunity to circumvent the high transaction costs and information-related market barriers typically confronted when each individual homeowner must make a decision about installing PV. Builders may benefit in several ways from incorporating PV into new homes. Builders may gain greater market differentiation, enhanced media exposure, and less community or political opposition to development projects. Additionally, …
Date:
February 10, 2006
Creator:
Barbose, Galen; Wiser, Ryan & Bolinger, Mark
Object Type:
Report
System:
The UNT Digital Library
News Bulletin (Castroville, Tex.), Vol. 42, No. 6, Ed. 1 Thursday, February 10, 2000
Weekly newspaper from Castroville, Texas that includes local, state, and national news along with extensive advertising.
Date:
February 10, 2000
Creator:
Barnes, Thomas
Object Type:
Newspaper
System:
The Portal to Texas History
Progress on a Vlasov Treatment of Coherent Synchrotron Radiation From Arbitrary Planar Orbits
We report on our progress in the development of a fully self-consistent Vlasov treatment of coherent synchrotron radiation (CSR) effects on particle bunches traveling on arbitrary planar orbits. First we outline our Vlasov approach and the approximation we are currently studying. Then we discuss recent numerical results for a benchmark model studied extensively with codes by several authors.
Date:
February 10, 2006
Creator:
Bassi, G.; Ellison, J. A. & Warnock, R. L.
Object Type:
Article
System:
The UNT Digital Library
The Natural Resources and Environment Function in the FY2003 Federal Budget: An Overview of Programs and Funding
None
Date:
February 10, 2003
Creator:
Bearden, David M.
Object Type:
Report
System:
The UNT Digital Library
Fiscal Year 2009 Phased Construction Completion Report for EU Z2-36 in Zone 2, East Tennessee Technology Park, Oak Ridge, Tennessee
The purpose of this Phased Construction Completion Report (PCCR) is to present fiscal year (FY) 2009 results of Dynamic Verification Strategy (DVS) characterization activities for exposure unit (EU) Z2-36 in Zone 2 at the East Tennessee technology Park (ETTP). The ETTP is located in the northwest corner of the US Department of Energy (DOE) Oak Ridge Reservation in Oak Ridge, Tennessee and encompasses approximately 5000 acres that have been subdivided into three zones--Zone 1 ({approx} 1400 acres), Zone 2 ({approx} 800 acres), and the Boundary Area ({approx} 2800 acres). Zone 2 comprises the highly industrial portion of ETTP and consists of all formerly secured areas of the facility, including the large processing buildings and direct support facilities; experimental laboratories and chemical and materials handling facilities; materials storage and waste disposal facilities; secure document records libraries; and shipping and receiving warehouses. The Record of Decision for Soil, Buried Waste, and Subsurface Structure Actions in Zone 2, East Tennessee Technology Park, Oak Ridge, Tennessee (DOE 2005) (Zone 2 ROD) specifies the future end use for Zone 2 acreage as uncontrolled industrial for the upper 10 ft of soils. Characterization activities in these areas were conducted in compliance with the Zone 2 ROD …
Date:
February 10, 2009
Creator:
Bechtel Jacobs
Object Type:
Report
System:
The UNT Digital Library
The Grandview Tribune (Grandview, Tex.), Vol. 111, No. 23, Ed. 1 Friday, February 10, 2006
Weekly newspaper from Grandview, Texas that includes local, state, and national news along with advertising.
Date:
February 10, 2006
Creator:
Beck-Adams, Candie
Object Type:
Newspaper
System:
The Portal to Texas History
Hydrogen Absorption in Fluids: An Unexplored Solution for Onboard Hydrogen Storage
Adoption of hydrogen (H{sub 2}) vehicles has been advocated for decades as an ecological ideal, capable of eliminating petroleum consumption as well as tail-pipe air pollution and carbon dioxide (CO{sub 2}) from automobiles. Storing sufficient hydrogen fuel onboard still remains a great technological challenge, despite recent advances in lightweight automotive materials, hybrid-electric drivetrains and fuel cells enabling 60-100 mpg equivalent H{sub 2}-fueled automobiles. Future onboard hydrogen storage choices will be pivotal, with lasting strategic consequences for the eventual scale, shape, security, investment requirements, and energy intensity of the H{sub 2} refueling infrastructure, in addition to impacts on automotive design, cost, range, performance, and safety. Multiple hydrogen storage approaches have been examined and deployed onboard prototype automobiles since the 1970's. These include storing H{sub 2} as a cryogenic liquid (LH{sub 2}) at temperatures of 20-25 Kelvin, compressing room temperature H{sub 2} gas to pressures as high as 10,000 psi, and reversible chemical absorption storage within powdered metal hydrides (e.g. LaNi{sub 5}H{sub 6}, TiFeH{sub 2}, MgH{sub 2}, NaAlH{sub 4}) which evolve H{sub 2} when warmed. Each of these approaches face well-known fundamental physical limits (thermal endurance, volume, and weight, respectively). This report details preliminary experiments investigating the potential of a new approach …
Date:
February 10, 2005
Creator:
Berry, G D
Object Type:
Report
System:
The UNT Digital Library
Islamic Religious Schools,
This report provides an overview of madrasas, their role in the Muslim world, and issues related to their alleged financing by Saudi Arabia and other donors. The report also addresses the findings of the National Commission on Terrorist Attacks Upon the United States (the “9/11 Commission”) and issues relevant to the 109th Congress.
Date:
February 10, 2005
Creator:
Blanchard, Christopher M.
Object Type:
Report
System:
The UNT Digital Library
The Islamic Traditions of Wahhabism and Salafiyya
This report provides a background on Wahhabi Islam and its association to militant fundamentalist groups; it also summarizes recent charges against Wahhabism and responses, including the findings of the final report of the National Commission on Terrorist Attacks Upon the United States (“The 9/11 Commission”) and bills relevant to this issue in the 109th Congress.
Date:
February 10, 2005
Creator:
Blanchard, Christopher M.
Object Type:
Report
System:
The UNT Digital Library
Prototype Near-Field/GIS Model for Sequestered-CO2 Risk Characterization and Management
Detecting unmapped abandoned wells thus remains a major carbon sequestration (CS) technology gap. Many (>10{sup 5}) abandoned wells are thought to lie in potential sequestration sites. For such wells, risk analysis to date has focused on aggregate long-term future impacts of seepage at rates < or << {approx}1 g m{sup 2} d{sup -1} on storage goals as sequestered plumes encroach upon wells with assumed distributions of seal ineffectiveness (Oldenburg and Unger, 2003; Saripali et al. 2003; Celia, 2005). However, unmapped abandoned wells include an unknown number without any effective seal at all, venting through which may dominate CO{sub 2}-loss scenarios. A model of such a well is Crystal Geyser (CG), a prospective oil well abandoned in the 1930s with no barrier installed after it encountered a natural CO{sub 2} reservoir rather than oil (Baer and Rigby, 1978; Rinehart, 1980). CG demonstrates how an unimpeded conduit to the surface now regularly vents from 10{sup 3} to >10{sup 4} kg of CO{sub 2} gas to the terrestrial surface (Figure 1). Unique field data recently gathered from Crystal Geyser (CG) in Utah (Gouveia et al. 2005) confirm that, although resulting surface CO{sub 2} concentrations resulting from CG-like eruptions would likely be safe in …
Date:
February 10, 2006
Creator:
Bogen, K T; Homann, S G; Gouveia, F J & Neher, L A
Object Type:
Article
System:
The UNT Digital Library
Risks of Mortality and Morbidity from Worldwide Terrorism: 1968-2004
Worldwide data on terrorist incidents between 1968 and 2004 gathered by the RAND corporation and the Oklahoma City National Memorial Institute for the Prevention of Terrorism (MIPT) were assessed for patterns and trends in morbidity/mortality. Adjusted data analyzed involve a total of 19,828 events, 7,401 ''adverse'' events (each causing {ge}1 victim), and 86,568 ''casualties'' (injuries) of which 25,408 were fatal. Most terror-related adverse events, casualties and deaths involved bombs and guns. Weapon-specific patterns and terror-related risk levels in Israel (IS) have differed markedly from those of all other regions combined (OR). IS had a fatal fraction of casualties about half that of OR, but has experienced relatively constant lifetime terror-related casualty risks on the order of 0.5%--a level 2 to 3 orders of magnitude more than those experienced in OR that increased {approx}100-fold over the same period. Individual event fatality has increased steadily, the median increasing from 14 to 50%. Lorenz curves obtained indicate substantial dispersion among victim/event rates: about half of all victims were caused by the top 2.5% (or 10%) of harm-ranked events in OR (or IS). Extreme values of victim/event rates were approximated fairly well by generalized Pareto models (typically used to fit to data on forest …
Date:
February 10, 2005
Creator:
Bogen, K. T. & Jones, E. D.
Object Type:
Article
System:
The UNT Digital Library