Afghanistan: Politics, Elections, and Government Performance (open access)

Afghanistan: Politics, Elections, and Government Performance

This report discusses the current political state of Afghanistan, as well as the Afghan government. This report also discusses Afghanistan's relationship with the United States, particularly U.S. efforts to urge President Hamid Karzai to address corruption within the Afghan government.
Date: June 29, 2010
Creator: Katzman, Kenneth
Object Type: Report
System: The UNT Digital Library
Algebraic Multigrid for Linear Systems Obtained by Explicit Element Reduction (open access)

Algebraic Multigrid for Linear Systems Obtained by Explicit Element Reduction

None
Date: June 29, 2010
Creator: Brunner, T. A. & Kolev, T. V.
Object Type: Article
System: The UNT Digital Library
Application of solution techniques to rapid growth of organic crystals (open access)

Application of solution techniques to rapid growth of organic crystals

None
Date: June 29, 2010
Creator: Zaitseva, N.; Carman, L.; Glenn, A.; Newby, J.; Faust, M.; Hamel, S. et al.
Object Type: Article
System: The UNT Digital Library
Computational and Experimental Development of Novel High Temperature Alloys (open access)

Computational and Experimental Development of Novel High Temperature Alloys

The work done in this paper is based on our earlier work on developing an extended Miedema model and then using it to downselect potential alloy systems. Our approach is to closely couple the semi-empirical methodologies to more accurate ab initio methods to dentify the best candidates for ternary alloying additions. The architectural framework for our material's design is a refractory base metal with a high temperature intermetallic which provides both high temperature creep strength and a source of oxidatively stable elements. Potential refractory base metals are groups IIIA, IVA and VA. For Fossil applications, Ni-Al appears to be the best choice to provide the source of oxidatively stable elements but this system requires a 'boost' in melting temperatures to be a viable candidate in the ultra-high temperature regime (> 1200C). Some late transition metals and noble elements are known to increase the melting temperature of Ni-Al phases. Such an approach suggested that a Mo-Ni-Al system would be a good base alloy system that could be further improved upon by dding Platinum group metals (PGMs). In this paper, we demonstrate the variety of microstructures that can be synthesized for the base alloy system, its oxidation behavior as well as the …
Date: June 29, 2010
Creator: Kramer, M. J.; Ray, P. K. & Akinc, M.
Object Type: Report
System: The UNT Digital Library
Costs of Major U.S. Wars (open access)

Costs of Major U.S. Wars

This CRS report provides estimates of the costs of major U.S. wars from the American Revolution through current conflicts in Iraq, Afghanistan, and elsewhere. It presents figures both in "current year dollars," that is, in prices in effect at the time of each war, and in inflation-adjusted "constant dollars" updated to the most recently available estimates of FY2011 prices.
Date: June 29, 2010
Creator: Daggett, Stephen
Object Type: Report
System: The UNT Digital Library
Demonstration Assessment of Light-Emitting Diode (LED) Parking Lot Lighting at T.J.Maxx in Manchester, NH Phase I (open access)

Demonstration Assessment of Light-Emitting Diode (LED) Parking Lot Lighting at T.J.Maxx in Manchester, NH Phase I

A report describing the process and results of replacing existing parking lot lighting, looking at a LED option with occupancy sensors, and conventional alternates. Criteria include payback, light levels, occupant satisfaction. This report is Phase I of II. Phase I deals with initial installation.
Date: June 29, 2010
Creator: Myer, Michael & Goettel, Russell T.
Object Type: Report
System: The UNT Digital Library
Discrete deexcitations in 235U from Nuclear Resonance Fluorescence (open access)

Discrete deexcitations in 235U from Nuclear Resonance Fluorescence

None
Date: June 29, 2010
Creator: Kwan, E.; Howell, C. R.; Raut, R.; Rusev, G.; Tonchev, A. P.; Tornow, W. et al.
Object Type: Article
System: The UNT Digital Library
Environmental Satellites: Planning Required to Mitigate Near-term Risks and Ensure Long-term Continuity (open access)

Environmental Satellites: Planning Required to Mitigate Near-term Risks and Ensure Long-term Continuity

Testimony issued by the Government Accountability Office with an abstract that begins "Environmental satellites provide data used for weather forecasting, measuring variations in climate over time, and predicting space weather. Due to the continuing cost, schedule, and tri-agency management challenges of the National Polar-orbiting Operational Environmental Satellite System (NPOESS)--a key satellite acquisition managed by the National Oceanic and Atmospheric Association (NOAA), the Department of Defense (DOD), and the National Aeronautics and Space Administration (NASA)--the White House's Office of Science and Technology Policy (OSTP) decided in February 2010 to disband NPOESS and, instead, to have NOAA and DOD undertake separate acquisitions. GAO was asked to summarize its report being released today on plans for NOAA's and DOD's separate acquisitions and the key risks of the transition, as well as its recent work on federal efforts to establish long-term strategies for satellite-provided climate and space weather data."
Date: June 29, 2010
Creator: United States. Government Accountability Office.
Object Type: Text
System: The UNT Digital Library
Federal Register, Volume 75, Number 124, June 29, 2010, Pages 37287-37706 (open access)

Federal Register, Volume 75, Number 124, June 29, 2010, Pages 37287-37706

Daily publication of the U.S. Office of the Federal Register contains rules and regulations, proposed legislation and rule changes, and other notices, including "Presidential proclamations and Executive Orders, Federal agency documents having general applicability and legal effect, documents required to be published by act of Congress, and other Federal agency documents of public interest" (p. ii). Table of Contents starts on page iii.
Date: June 29, 2010
Creator: United States. Office of the Federal Register.
Object Type: Journal/Magazine/Newsletter
System: The UNT Digital Library
Hanford Waste Mineralogy Reference Report (open access)

Hanford Waste Mineralogy Reference Report

This report lists the observed mineral phases present in the Hanford tanks. This task was accomplished by performing a review of numerous reports that used experimental techniques including, but not limited to: x-ray diffraction, polarized light microscopy, scanning electron microscopy, transmission electron microscopy, energy dispersive spectroscopy, electron energy loss spectroscopy, and particle size distribution analyses. This report contains tables that can be used as a quick reference to identify the crystal phases observed in Hanford waste.
Date: June 29, 2010
Creator: Disselkamp, R. S.
Object Type: Report
System: The UNT Digital Library
Homologous recombination contributes to the repair of DNA double-strand breaks induced by high-energy iron ions (open access)

Homologous recombination contributes to the repair of DNA double-strand breaks induced by high-energy iron ions

To test the contribution of homologous recombinational repair (HRR) in repairing DNA damaged sites induced by high-energy iron ions, we used: (1) HRR-deficient rodent cells carrying a deletion in the RAD51D gene and (2) syngeneic human cells impaired for HRR by RAD51D or RAD51 knockdown using RNA interference. We show that in response to iron ions, HRR contributes to cell survival in rodent cells, and that HRR-deficiency abrogates RAD51 foci formation. Complementation of the HRR defect by human RAD51D rescues both enhanced cytotoxicity and RAD51 foci formation. For human cells irradiated with iron ions, cell survival is decreased, and, in p53 mutant cells, the levels of mutagenesis are increased when HRR is impaired. Human cells synchronized in S phase exhibit more pronounced resistance to iron ions as compared with cells in G1 phase, and this increase in radioresistance is diminished by RAD51 knockdown. These results implicate a role for RAD51-mediated DNA repair (i.e. HRR) in removing a fraction of clustered lesions induced by charged particle irradiation. Our results are the first to directly show the requirement for an intact HRR pathway in human cells in ensuring DNA repair and cell survival in response to high-energy high LET radiation.
Date: June 29, 2010
Creator: Zafar, Faria; Seidler, Sara B.; Kronenberg, Amy; Schild, David & Wiese, Claudia
Object Type: Report
System: The UNT Digital Library
HYDROGEN PRODUCTION AND DELIVERY INFRASTRUCTURE AS A COMPLEX ADAPTIVE SYSTEM (open access)

HYDROGEN PRODUCTION AND DELIVERY INFRASTRUCTURE AS A COMPLEX ADAPTIVE SYSTEM

An agent-based model of the transition to a hydrogen transportation economy explores influences on adoption of hydrogen vehicles and fueling infrastructure. Attention is given to whether significant penetration occurs and, if so, to the length of time required for it to occur. Estimates are provided of sensitivity to numerical values of model parameters and to effects of alternative market and policy scenarios. The model is applied to the Los Angeles metropolitan area In the benchmark simulation, the prices of hydrogen and non-hydrogen vehicles are comparable. Due to fuel efficiency, hydrogen vehicles have a fuel savings advantage of 9.8 cents per mile over non-hydrogen vehicles. Hydrogen vehicles account for 60% of new vehicle sales in 20 years from the initial entry of hydrogen vehicles into show rooms, going on to 86% in 40 years and reaching still higher values after that. If the fuel savings is 20.7 cents per mile for a hydrogen vehicle, penetration reaches 86% of new car sales by the 20th year. If the fuel savings is 0.5 cents per mile, market penetration reaches only 10% by the 20th year. To turn to vehicle price difference, if a hydrogen vehicle costs $2,000 less than a non-hydrogen vehicle, new …
Date: June 29, 2010
Creator: Tolley, George S
Object Type: Report
System: The UNT Digital Library
In situ spectroscopic detection of SMSI effect in a Ni/CeO2 system: hydrogen-induced burial and dig out of metallic nickel (open access)

In situ spectroscopic detection of SMSI effect in a Ni/CeO2 system: hydrogen-induced burial and dig out of metallic nickel

In situ APPES technique demonstrates that the strong metal support interaction effect (SMSI) in the Ni-ceria system is associated with the decoration and burial of metallic particles by the partially reduced support, a phenomenon reversible by evacuation at high temperature of the previously absorbed hydrogen.
Date: June 29, 2010
Creator: Caballero, Alfonso; Holgado, Juan P.; Gonzalez-delaCruz, Victor M.; Habas, Susan e.; Herranz, Tirma & Salmeron, Miquel
Object Type: Article
System: The UNT Digital Library
In Situ Transmission Electron Microscopy Observations of Rapid Solidification of Aluminum Thin Films (open access)

In Situ Transmission Electron Microscopy Observations of Rapid Solidification of Aluminum Thin Films

None
Date: June 29, 2010
Creator: Kulovits, A; Wiezorek, J M; LaGrange, T; Reed, B W & Campbell, G H
Object Type: Article
System: The UNT Digital Library
Military Training: Continued Actions Needed to Guide DOD's Efforts to Improve Language Skills and Regional Proficiency (open access)

Military Training: Continued Actions Needed to Guide DOD's Efforts to Improve Language Skills and Regional Proficiency

Testimony issued by the Government Accountability Office with an abstract that begins "Today, and in the foreseeable future, military operations require U.S. personnel to work alongside multinational partners and among local populations. The Department of Defense (DOD) has placed a greater emphasis on transforming language and regional proficiency capabilities, which includes cultural awareness. GAO's prior work has found that integrated strategic plans with measurable goals and funding priorities linked to goals can help guide organizational transformations. Decision makers also require complete information to identify capability gaps and assess risk. This testimony summarizes GAO's prior work and recommendations on DOD's efforts to develop language skills and regional proficiency and the steps DOD has taken to implement our prior recommendations. Specifically, it addresses the extent to which DOD has (1) developed a strategic plan to guide its language and regional proficiency transformation efforts and (2) obtained the information it needs to identify capability gaps and assess risk. GAO's statement is based on a June 2009 report and work conducted during May 2010 through June 2010 to update the status of GAO's recommendations."
Date: June 29, 2010
Creator: United States. Government Accountability Office.
Object Type: Text
System: The UNT Digital Library
Model Predictive Control for the Operation of Building Cooling Systems (open access)

Model Predictive Control for the Operation of Building Cooling Systems

A model-based predictive control (MPC) is designed for optimal thermal energy storage in building cooling systems. We focus on buildings equipped with a water tank used for actively storing cold water produced by a series of chillers. Typically the chillers are operated at night to recharge the storage tank in order to meet the building demands on the following day. In this paper, we build on our previous work, improve the building load model, and present experimental results. The experiments show that MPC can achieve reduction in the central plant electricity cost and improvement of its efficiency.
Date: June 29, 2010
Creator: Ma, Yudong; Borrelli, Francesco; Hencey, Brandon; Coffey, Brian; Bengea, Sorin & Haves, Philip
Object Type: Article
System: The UNT Digital Library
Model Predictive Control of HVAC Systems: Implementation and Testing at the University of California, Merced (open access)

Model Predictive Control of HVAC Systems: Implementation and Testing at the University of California, Merced

A Model Predictive Control algorithm was developed for the UC Merced campus chilled water plant. Model predictive control (MPC) is an advanced control technology that has proven successful in the chemical process industry and other industries. The main goal of the research was to demonstrate the practical and commercial viability of MPC for optimization of building energy systems. The control algorithms were developed and implemented in MATLAB, allowing for rapid development, performance, and robustness assessment. The UC Merced chilled water plant includes three water-cooled chillers and a two million gallon chilled water storage tank. The tank is charged during the night to minimize on-peak electricity consumption and take advantage of the lower ambient wet bulb temperature. The control algorithms determined the optimal chilled water plant operation including chilled water supply (CHWS) temperature set-point, condenser water supply (CWS) temperature set-point and the charging start and stop times to minimize a cost function that includes energy consumption and peak electrical demand over a 3-day prediction horizon. A detailed model of the chilled water plant and simplified models of the buildings served by the plant were developed using the equation-based modeling language Modelica. Steady state models of the chillers, cooling towers and pumps …
Date: June 29, 2010
Creator: Haves, Phillip; Hencey, Brandon; Borrell, Francesco; Elliot, John; Ma, Yudong; Coffey, Brian et al.
Object Type: Report
System: The UNT Digital Library
North Korea: Back on the Terrorism List? (open access)

North Korea: Back on the Terrorism List?

This report describes the rationales for including North Korea on the terrorism list from 1987- 2008, for North Korea's delisting in 2008, and the debate in 2010 over whether to re-list North Korea. The major impact of a decision to return North Korea to the list would likely be symbolic, because removing North Korea from the list does not appear to have provided Pyongyang with direct, tangible benefits.
Date: June 29, 2010
Creator: Manyin, Mark E.
Object Type: Report
System: The UNT Digital Library
PAPER STUDY EVALUATIONS OF THE INTRODUCTION OF SMALL COLUMN ION EXCHANGE WASTE STREAMS TO THE DEFENSE WASTE PROCESSING FACILITY (open access)

PAPER STUDY EVALUATIONS OF THE INTRODUCTION OF SMALL COLUMN ION EXCHANGE WASTE STREAMS TO THE DEFENSE WASTE PROCESSING FACILITY

The objective of this paper study is to provide guidance on the impact of Monosodium Titanate (MST) and Crystalline Silicotitanate (CST) streams from the Small Column Ion Exchange (SCIX) process on the Defense Waste Processing Facility (DWPF) flowsheet and glass waste form. A series of waste processing scenarios was evaluated, including projected compositions of Sludge Batches 8 through 17 (SB8 through SB17), MST additions, CST additions to Tank 40 or to a sludge batch preparation tank (Tank 42 or Tank 51, referred to generically as Tank 51 in this report), streams from the Salt Waste Processing Facility (SWPF), and two canister production rates. A wide array of potential glass frit compositions was used to support this assessment. The sludge and frit combinations were evaluated using the predictive models in the current DWPF Product Composition Control System (PCCS). The results were evaluated based on the number of frit compositions available for a particular sludge composition scenario. A large number of candidate frit compositions (e.g., several dozen to several hundred) is typically a good indicator of a sludge composition for which there is flexibility in forming an acceptable waste glass and meeting canister production rate commitments. The MST and CST streams will …
Date: June 29, 2010
Creator: Fox, K.; Edwards, T.; Stone, M. & Koopman, D.
Object Type: Report
System: The UNT Digital Library
Party Leaders in the United States Congress, 1789-2010 (open access)

Party Leaders in the United States Congress, 1789-2010

This report briefly describes current responsibilities and selection mechanisms for 15 House and Senate party leadership posts and provides tables with historical data, including service dates, party affiliation, and other information for each.
Date: June 29, 2010
Creator: Heitshusen, Valerie
Object Type: Report
System: The UNT Digital Library
Procurement of State-of-the-Art Research Equipment to Support Faculty Members Within the RNAi Therapeutics Institute (open access)

Procurement of State-of-the-Art Research Equipment to Support Faculty Members Within the RNAi Therapeutics Institute

This project funded the procurement of state-of-the-art research equipment to support world class faculty members within the RNAi Therapeutics Institute, a central program of the Advanced Therapeutics Cluster (ATC) project. The equipment purchased under this grant supports the RNA Therapeutics Institute (RTI) at the University of Massachusetts Medical School which seeks to build a community of scientists passionate about RNA. By uniting researchers studying the fundamental biology and mechanisms of cellular RNAs with those working to devise human therapies using or targeting nucleic acids, the RTI represents a new model for scientific exploration. By interweaving basic and applied nucleic acid scientists with clinicians dedicated to finding new cures, our goal is to create a new paradigm for organizing molecular research that enables the rapid application of new biological discoveries to solutions for unmet challenges in human health.
Date: June 29, 2010
Creator: Terence Flotte, M. D. & McNulty, Patricia
Object Type: Report
System: The UNT Digital Library
The SBA Disaster Loan Program: Overview and Possible Issues for Congress (open access)

The SBA Disaster Loan Program: Overview and Possible Issues for Congress

None
Date: June 29, 2010
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Security Assistance Reform: "Section 1206" Background and Issues for Congress (open access)

Security Assistance Reform: "Section 1206" Background and Issues for Congress

This report provides background on the pre-Section 1206 status of security assistance authorities and the factors contributing to the enactment of Section 1206, which provides the Secretary of Defense with authority to train and equip foreign military forces and foreign maritime security forces. It then sets out the purposes of the legislation and scope of its activities, restrictions on its use, the DOD-State Department planning process, and funding. It concludes with a discussion of issues for Congress.
Date: June 29, 2010
Creator: Serafino, Nina M.
Object Type: Report
System: The UNT Digital Library
Subsurface Mobile Plutonium Speciation:  Sampling Artifacts for Groundwater Colloids (open access)

Subsurface Mobile Plutonium Speciation: Sampling Artifacts for Groundwater Colloids

A recent review found several conflicting conclusions regarding colloid-facilitated transport of radionuclides in groundwater and noted that colloids can both facilitate and retard transport. Given these contrasting conclusions and the profound implications even trace concentrations of plutonium (Pu) have on the calculated risk posed to human health, it is important that the methodology used to sample groundwater colloids be free of artifacts. The objective of this study was: (1) to conduct a field study and measure Pu speciation, ({sup 239}Pu and {sup 240}Pu for reduced-Pu{sub aq}, oxidized-Pu{sub aq}, reduced-Pu{sub colloid}, and oxidized-Pu{sub colloid}), in a Savannah River Site (SRS) aquifer along a pH gradient in F-Area, (2) to determine the impact of pumping rate on Pu concentration, Pu speciation, and Pu isotopic ratios, (3) determine the impact of delayed sample processing (as opposed to processing directly from the well).
Date: June 29, 2010
Creator: Kaplan, D. & Buesseler, K.
Object Type: Article
System: The UNT Digital Library