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Improper Payments: Posthearing Responses on a December 5, 2006, Hearing to Assess the Improper Payments Information Act of 2002

Description: Correspondence issued by the Government Accountability Office with an abstract that begins "On December 5, 2006, we testified before the Senate Subcommittee on Federal Financial Management, Government Information, Federal Services, and International Security, Committee on Homeland Security and Governmental Affairs, at a hearing entitled, "An Assessment of Improper Payments Information Act of 2002." At the end of the hearing, Congress asked us to provide information regarding (1) barriers inhibi… more
Date: February 27, 2007
Creator: United States. Government Accountability Office.
Partner: UNT Libraries Government Documents Department
open access

Tobacco Settlement: States' Allocations of Payments from Tobacco Companies for Fiscal Years 2000 through 2005

Description: Testimony issued by the Government Accountability Office with an abstract that begins "In the 1990s, states sued major tobacco companies to obtain reimbursement for health impairments caused by the public's use of tobacco. In 1998, four of the nation's largest tobacco companies signed a Master Settlement Agreement, agreeing to make annual payments to 46 states in perpetuity as reimbursement for past tobacco-related health care costs. Some states have arranged to receive advance proceeds based o… more
Date: February 27, 2007
Creator: United States. Government Accountability Office.
Partner: UNT Libraries Government Documents Department
open access

Research and Development of an Integral Separator for a Centrifugal Gas Processing Facility

Description: A COMPACT GAS PROCESSING DEVICE WAS INVESTIGATED TO INCREASE GAS PRODUCTION FROM REMOTE, PREVIOUSLY UN-ECONOMIC RESOURCES. THE UNIT WAS TESTED ON AIR AND WATER AND WITH NATURAL GAS AND LIQUID. RESULTS ARE REPORTED WITH RECOMMENDATIONS FOR FUTURE WORK.
Date: February 27, 2007
Creator: Hays, Lance
Partner: UNT Libraries Government Documents Department
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Monochromatic electron photoemission from diamondoid monolayers

Description: We found monochromatic electron photoemission from large-area self-assembled monolayers of a functionalized diamondoid, [121]tetramantane-6-thiol. Photoelectron spectra of the diamondoid monolayers exhibited a peak at the low-kinetic energy threshold; up to 68percent of all emitted electrons were emitted within this single energy peak. The intensity of the emission peak is indicative of diamondoids being negative electron affinity materials. With an energy distribution width of less than 0.5 el… more
Date: February 27, 2007
Creator: Yang, Wanli; Yang, Wanli L.; Fabbri, J. D.; Willey, T. M.; Lee, J. R. I.; Dahl, J. E. et al.
Partner: UNT Libraries Government Documents Department
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CANCELLED Microwave Ion Source and Beam Injection for anAccelerator-Driven Neut ron Source

Description: An over-dense microwave driven ion source capable of producing deuterium (or hydrogen) beams at 100-200 mA/cm{sup 2} and with atomic fraction > 90% was designed and tested with an electrostatic low energy beam transport section (LEBT). This ion source was incorporated into the design of an Accelerator Driven Neutron Source (ADNS). The other key components in the ADNS include a 6 MeV RFQ accelerator, a beam bending and scanning system, and a deuterium gas target. In this design a 40 mA D{sup … more
Date: February 27, 2007
Creator: Vainionpaa, J. H.; Gough, R.; Hoff, M.; Kwan, J. W.; Ludewigt, B. A.; Regis, M. J. et al.
Partner: UNT Libraries Government Documents Department
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Electrokinetic coupling in unsaturated porous media

Description: We consider a charged porous material that is saturated bytwo fluid phases that are immiscible and continuous on the scale of arepresentative elementary volume. The wetting phase for the grains iswater and the nonwetting phase is assumed to be an electricallyinsulating viscous fluid. We use a volume-averaging approach to derivethe linear constitutive equations for the electrical current density aswell as the seepage velocities of the wetting and nonwetting phases onthe scale of a representative… more
Date: February 27, 2007
Creator: Revil, A.; Linde, N.; Cerepi, A.; Jougnot, D.; Matthai, S. & Finsterle, S.
Partner: UNT Libraries Government Documents Department
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Using Femtosecond Laser Subcellular Surgery as a Tool to Study Cell Biology

Description: Research on cellular function and regulation would be greatly advanced by new instrumentation using methods to alter cellular processes with spatial discrimination on the nanometer-scale. We present a novel technique for targeting submicrometer sized organelles or other biologically important regions in living cells using femtosecond laser pulses. By tightly focusing these pulses beneath the cell membrane, we can vaporize cellular material inside the cell through nonlinear optical processes. Th… more
Date: February 27, 2007
Creator: Shen, N; Colvin, M E & Huser, T
Partner: UNT Libraries Government Documents Department
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Short Pulse Laser Absorption and Energy Partition at Relativistic Laser Intensities

Description: We have performed experiments at the COMET and Calisto short pulse laser facilities to make the first comprehensive measurements of the laser absorption and energy partition in solid targets heated with an ultrashort laser pulse focused to relativistic laser intensities (>10 10{sup 17} W/cm{sup 2}). The measurements show an exceedingly high absorption for P polarized laser-target interactions above 10{sup 19} W/cm{sup 2}. Additionally, the hot electron population is observed to markedly incr… more
Date: February 27, 2007
Creator: Shepherd, R.; Chen, H.; Ping, Y.; Dyer, G.; Wilks, S.; Chung, H. et al.
Partner: UNT Libraries Government Documents Department
open access

Science & Technology Review April 2007

Description: This month's issue has the following articles: (1) Shaking the Foundations of Solar-System Science--Commentary by William H. Goldstein; (2) Stardust Results Challenge Astronomical Convention--The first samples retrieved from a comet are a treasure trove of surprises to Laboratory researchers; (3) Fire in the Hole--Underground coal gasification may help to meet future energy supply challenges with a production process from the past; (4) Big Physics in Small Spaces--A newly developed computer mod… more
Date: February 27, 2007
Creator: Radousky, H B
Partner: UNT Libraries Government Documents Department
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PROCESSING ALTERNATIVES FOR DESTRUCTION OF TETRAPHENYLBORATE

Description: Two processes were chosen in the 1980's at the Savannah River Site (SRS) to decontaminate the soluble High Level Waste (HLW). The In Tank Precipitation (ITP) process (1,2) was developed at SRS for the removal of radioactive cesium and actinides from the soluble HLW. Sodium tetraphenylborate was added to the waste to precipitate cesium and monosodium titanate (MST) was added to adsorb actinides, primarily uranium and plutonium. Two products of this process were a low activity waste stream and a … more
Date: February 27, 2007
Creator: Lambert, D; Thomas Peters, T & Samuel Fink, S
Partner: UNT Libraries Government Documents Department
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Providing the Basis for Innovative Improvements in Advanced LWR Reactor Passive Safety Systems Design: An Educational R&D Project

Description: This project characterizes typical two-phase stratified flow conditions in advanced water reactor horizontal pipe sections, following activation of passive cooling systems. It provides (1) a means to educate nuclear engineering students regarding the importance of two-phase stratified flow in passive cooling systems to the safety of advanced reactor systems and (2) describes the experimental apparatus and process to measure key parameters essential to consider when designing passive emergency c… more
Date: February 27, 2007
Creator: Williams, Brian G.; Liou, Jim C. P.; Kadakia, Hiral; Phoenix, Bill & Schultz, Richard R.
Partner: UNT Libraries Government Documents Department
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Secure Border Initiative: SBInet Planning and Management Improvements Needed to Control Risks

Description: Testimony issued by the Government Accountability Office with an abstract that begins "This testimony summarizes GAO's February 2007 report on SBInet, one element of the Department of Homeland Security's (DHS) Secure Border Initiative (SBI). SBInet is responsible for developing a comprehensive border protection system. By legislative mandate, GAO reviewed SBInet's fiscal year 2007 expenditure plan. This testimony focuses on (1) the extent that the plan provided explicit and measurable commitmen… more
Date: February 27, 2007
Creator: United States. Government Accountability Office.
Partner: UNT Libraries Government Documents Department
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