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United States Census Map Collection
3,942
Office of Scientific & Technical Information Technical Reports
107
Congressional Research Service Reports
68
Government Accountability Office Reports
37
Federal Register
8
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5
Texas Attorney General Opinions
2
Environmental Policy Collection
1
Texas Register
1
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4,170 Matching Results
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Long-Term Unemployment and Recessions
This report analyzes the trend in long-term unemployment over the postwar period and offers explanations for its unusually high incidence during the most recent recession. It compares the individual, job, and household characteristics of the long-term unemployed during the latest recession (2007-2009) with the long-term unemployed at the end of the two previous recessions (1990-1991 and 2001).
Date:
April 14, 2010
Creator:
Mayer, Gerald & Levine, Linda
Object Type:
Report
System:
The UNT Digital Library
On Double-Beta Decay Half-Life Time Systematics
Recommended 2{beta}(2{nu}) half-life values and their systematics were analyzed in the framework of a simple empirical approach. T{sub 1/2}{sup 2{nu}} {approx} 1/E{sup 8} trend has been observed for {sup 128,130}Te recommended values. This trend was used to predict T{sub 1/2}{sup 2{nu}} for all isotopes of interest. Current results were compared with other theoretical and experimental works.
Date:
April 14, 2010
Creator:
Pritychenko, B.
Object Type:
Report
System:
The UNT Digital Library
Rare Earth Materials in the Defense Supply Chain
Correspondence issued by the Government Accountability Office with an abstract that begins "This letter formally transmits the briefing in response to the National Defense Authorization Act for Fiscal Year 2010 (Pub. L. No. 111-84), which required GAO to submit a report on rare earth materials in the defense supply chain to the Committees on Armed Services of the Senate and House of Representatives by April 1, 2010."
Date:
April 14, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Review of Evaluation, Measurement and Verification Approaches Used to Estimate the Load Impacts and Effectiveness of Energy Efficiency Programs
Public and private funding for end-use energy efficiency actions is expected to increase significantly in the United States over the next decade. For example, Barbose et al (2009) estimate that spending on ratepayer-funded energy efficiency programs in the U.S. could increase from $3.1 billion in 2008 to $7.5 and 12.4 billion by 2020 under their medium and high scenarios. This increase in spending could yield annual electric energy savings ranging from 0.58% - 0.93% of total U.S. retail sales in 2020, up from 0.34% of retail sales in 2008. Interest in and support for energy efficiency has broadened among national and state policymakers. Prominent examples include {approx}$18 billion in new funding for energy efficiency programs (e.g., State Energy Program, Weatherization, and Energy Efficiency and Conservation Block Grants) in the 2009 American Recovery and Reinvestment Act (ARRA). Increased funding for energy efficiency should result in more benefits as well as more scrutiny of these results. As energy efficiency becomes a more prominent component of the U.S. national energy strategy and policies, assessing the effectiveness and energy saving impacts of energy efficiency programs is likely to become increasingly important for policymakers and private and public funders of efficiency actions. Thus, it is …
Date:
April 14, 2010
Creator:
Messenger, Mike; Bharvirkar, Ranjit; Golemboski, Bill; Goldman, Charles A. & Schiller, Steven R.
Object Type:
Report
System:
The UNT Digital Library
The SAFRA Act: Education Programs in the FY2010 Budget Reconciliation
None
Date:
April 14, 2010
Creator:
Dortch, Cassandria; Smole, David P. & Mahan, Shannon M.
Object Type:
Report
System:
The UNT Digital Library
Simple Fully Automated Group Classification on Brain fMRI
We propose a simple, well grounded classification technique which is suited for group classification on brain fMRI data sets that have high dimensionality, small number of subjects, high noise level, high subject variability, imperfect registration and capture subtle cognitive effects. We propose threshold-split region as a new feature selection method and majority voteas the classification technique. Our method does not require a predefined set of regions of interest. We use average acros ssessions, only one feature perexperimental condition, feature independence assumption, and simple classifiers. The seeming counter-intuitive approach of using a simple design is supported by signal processing and statistical theory. Experimental results in two block design data sets that capture brain function under distinct monetary rewards for cocaine addicted and control subjects, show that our method exhibits increased generalization accuracy compared to commonly used feature selection and classification techniques.
Date:
April 14, 2010
Creator:
Honorio, J.; Goldstein, R.; Honorio, J.; Samaras, D.; Tomasi, D. & Goldstein, R.Z.
Object Type:
Article
System:
The UNT Digital Library
System Modeling of kJ-class Petawatt Lasers at LLNL
Advanced Radiographic Capability (ARC) project at the National Ignition Facility (NIF) is designed to produce energetic, ultrafast x-rays in the range of 70-100 keV for backlighting NIF targets. The chirped pulse amplification (CPA) laser system will deliver kilo-Joule pulses at an adjustable pulse duration from 1 ps to 50 ps. System complexity requires sophisticated simulation and modeling tools for design, performance prediction, and comprehension of experimental results. We provide a brief overview of ARC, present our main modeling tools, and describe important performance predictions. The laser system (Fig. 1) consists of an all-fiber front end, including chirped-fiber Bragg grating (CFBG) stretchers. The beam after the final fiber amplifier is split into two apertures and spatially shaped. The split beam first seeds a regenerative amplifier and is then amplified in a multi-pass Nd:glass amplifier. Next, the preamplified chirped pulse is split in time into four identical replicas and injected into one NIF Quad. At the output of the NIF beamline, each of the eight amplified pulses is compressed in an individual, folded, four-grating compressor. Compressor grating pairs have slightly different groove densities to enable compact folding geometry and eliminate adjacent beam cross-talk. Pulse duration is adjustable with a small, rack-mounted compressor …
Date:
April 14, 2010
Creator:
Shverdin, M Y; Rushford, M; Henesian, M A; Boley, C; Haefner, C; Heebner, J E et al.
Object Type:
Article
System:
The UNT Digital Library
Tax Compliance: IRS May Be Able to Improve Compliance for Nonresident Aliens and Updating Requirements Could Reduce Their Compliance Burden
A letter report issued by the Government Accountability Office with an abstract that begins "For tax year 2007, nonresident alien individuals filed about 634,000 Forms 1040NR, the U.S. Nonresident Alien Income Tax Return. IRS has not developed estimates for the extent of nonresident alien tax noncompliance because it often lacks information to distinguish between nonresident aliens and other filers, and examinations can be costly and difficult since many nonresident aliens would depart the country before IRS could examine their returns. IRS's outreach and education efforts have focused on presenting information on nonresident tax issues to a variety of audiences and making information available on its Web site and in its publications. Nevertheless, some nonresidents, their employers, and paid preparers may not be aware of nonresident alien tax rules, according to representatives of groups that work with employers and nonresidents to assist them in fulfilling their tax obligations. Other filing challenges exist. For example, individuals filing Forms 1040NR cannot file electronically. Also, nonresidents in the U.S. for less than 90 days who earn over $3,000 in compensation for services paid for by a foreign employer will likely have to file Form 1040NR, even if they owe no tax. The $3,000 exemption …
Date:
April 14, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
The Trans-Pacific Partnership Agreement
This report discusses the Trans-Pacific Partnership Agreement (TPP), a free trade agreement that includes nations on both sides of the Pacific. Original members of the TPP were Brunei, Chile, New Zealand, and Singapore. The United States, Australia, Peru, and Vietnam have committed themselves to joining and expanding this group. This report discusses similar trade partnerships, the importance of Asia to U.S. trade and security interests, and U.S. participation in the TPP.
Date:
April 14, 2010
Creator:
Fergusson, Ian F. & Vaughn, Bruce
Object Type:
Report
System:
The UNT Digital Library
A U.S.-centric Chronology of the International Climate Change Negotiations
None
Date:
April 14, 2010
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
U.S. Government Financial Statements: Fiscal Year 2009 Audit Highlights Financial Management Challenges and Unsustainable Long-Term Fiscal Path
Testimony issued by the Government Accountability Office with an abstract that begins "GAO annually audits the consolidated financial statements of the U.S. government (CFS). Congress and the President need reliable, useful, and timely financial and performance information to make sound decisions and conduct effective oversight of federal government programs and policies. The federal government began preparing the CFS 13 years ago. Over the years, certain material weaknesses in internal control over financial reporting have prevented GAO from expressing an opinion on the accrual-based consolidated financial statements. Unless these weaknesses are adequately addressed, they will, among other things, continue to (1) hamper the federal government's ability to reliably report a significant portion of its assets, liabilities, costs, and other related information; and (2) affect the federal government's ability to reliably measure the full cost as well as the financial and nonfinancial performance of certain programs and activities. This testimony presents the results of GAO's audit of the CFS for fiscal year 2009 and discusses certain of the federal government's significant near- and long-term fiscal challenges."
Date:
April 14, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Understanding China's Political System
This report provides an overview of contemporary PRC (People's Republic of China) politics by analyzing the main institutional actors and their interactions. The goal is not so much to provide the definitive study of the current political dynamics in China, but to offer a framework for examining and understanding PRC politics as they play out with respect to particular policies or issues.
Date:
April 14, 2010
Creator:
Martin, Michael F.
Object Type:
Report
System:
The UNT Digital Library
Unemployment Insurance Trust Funds: Long-standing State Financing Policies Have Increased Risk of Insolvency
A letter report issued by the Government Accountability Office with an abstract that begins "The federal-state unemployment insurance (UI) program relies on state trust funds to hold enough reserves to meet benefit needs during economic downturns. The sufficiency of such "forward funding" has been a policy concern for decades, particularly during the recent recession, which has caused very high unemployment rates. While the economy added jobs in March 2010, unemployment remains very high and has continued to rise in most states, suggesting that state UI programs will continue to face serious financial challenges for at least the near future. This report (1) describes the current condition of state UI trust funds, (2) highlights policies or practices that have contributed to their conditions, and (3) identifies options for improving UI forward funding in the future. To address these questions, GAO analyzed statistics from the Department of Labor, reviewed applicable laws and regulations, interviewed state UI representatives and UI experts, and synthesized GAO's and others' findings to present policy options."
Date:
April 14, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Washington Metropolitan Area Transit Authority (WMATA): Issues and Options for Congress
This report provides background information about the Washington Metropolitan Area Transit Authority (WMATA) system, describes the major issues WMATA currently faces, and discusses possible approaches for addressing these issues.
Date:
April 14, 2010
Creator:
Fischer, John W. & Mallett, William J.
Object Type:
Report
System:
The UNT Digital Library
Air Force KC-X Tanker Aircraft Program: Background and Issues for Congress
This report discusses the issues for Congress in FY2011, which are whether to approve, reject, or modify DOD's new KC-X competition strategy, and whether to approve, reject, or modify the Air Force's request for FY2011 research and development funding for the new KC-X program. Congress' decision on these issues could affect DOD capabilities and funding requirements, and the aircraft manufacturing industrial base.
Date:
May 14, 2010
Creator:
Gertler, Jeremiah
Object Type:
Report
System:
The UNT Digital Library
A Benchmark Comparison of Monte Carlo Particle Transport Algorithms for Binary Stochastic Mixtures
None
Date:
May 14, 2010
Creator:
Brantley, P
Object Type:
Article
System:
The UNT Digital Library
Business Continuity Planning Resources for Small- and Medium-Sized Businesses
This document/memo summarizes existing resources and guidance on business continuity planning for small- to medium-sized businesses. DTRA will share this information with large commercial businesses who identified the need to help their suppliers and other key collaborators prepare business continuity plans in order to speed recovery from a wide-area bioterrorism incident.
Date:
May 14, 2010
Creator:
Judd, Kathleen S. & Lesperance, Ann M.
Object Type:
Report
System:
The UNT Digital Library
Characterization of the role of Fhit in maintenance of genomic integrity following low dose radiation, in vivo and in vitro
The major goal of this study is to determine the effects of the Fhit pathway on low dose (< 0.1 Gy) ionizing radiation (IR)-induced genetic instability. Reduction of Fhit protein expression is observed in most solid tumors particularly in those tumors resulting from exposure to environmental carcinogens. Therefore, characterization of the role of the Fhit-dependent pathway in preventing low dose IR-induced genetic instability will provide useful parameters for evaluating the low dose IR-induced risk of mutagenesis and carcinogenesis. We pursued 3 specific aims to study our hypothesis that the Fhit-dependent pathways maintain genomic integrity through adjusting checkpoint response and repair genes expression following low dose IR. Aim 1: Determine whether Fhit interaction with RPA is necessary for Fhit to affect the cellular response to low dose IR. We combined the approaches of in vitro (GST pull-down and site-directed mutagenesis) and in vivo (observing the co-localization and immunoprecipitation of Fhit and RPA in Fhit knock out mouse cells transfected with mutant Fhit which has lost ability to interact with RPA in vitro). Aim 2: Determine the role of genes whose expression is affected by Fhit in low dose irradiated cells. We analyzed the distinct signature of gene expression in low dose …
Date:
May 14, 2010
Creator:
Wang, Ya
Object Type:
Report
System:
The UNT Digital Library
Comparison of Demand Response Performance with an EnergyPlus Model in a Low Energy Campus Building
We have studied a low energy building on a campus of the University of California. It has efficient heating, ventilation, and air conditioning (HVAC) systems, consisting of a dual-fan/dual-duct variable air volume (VAV) system. As a major building on the campus, it was included in two demand response (DR) events in the summers of 2008 and 2009. With chilled water supplied by thermal energy storage in the central plant, cooling fans played a critical role during DR events. In this paper, an EnergyPlus model of the building was developed and calibrated. We compared both whole-building and HVAC fan energy consumption with model predictions to understand why demand savings in 2009 were much lower than in 2008. We also used model simulations of the study building to assess pre-cooling, a strategy that has been shown to improve demand saving and thermal comfort in many types of building. This study indicates a properly calibrated EnergyPlus model can reasonably predict demand savings from DR events and can be useful for designing or optimizing DR strategies.
Date:
May 14, 2010
Creator:
Dudley, Junqiao Han; Black, Doug; Apte, Mike; Piette, Mary Ann & Berkeley, Pam
Object Type:
Article
System:
The UNT Digital Library
Depot Maintenance: Improved Strategic Planning Needed to Ensure That Air Force Depots Can Meet Future Maintenance Requirements
A letter report issued by the Government Accountability Office with an abstract that begins "The Air Force's maintenance depots provide critical support to ongoing operations around the world. Previously, the Department of Defense's (DOD) increased reliance on the private sector for depot maintenance support, coupled with downsizing, led to a general deterioration in the capabilities, reliability, and cost-effectiveness of the military services' depots. In March 2007, the Office of the Under Secretary of Defense for Acquisition, Technology and Logistics (OUSD (AT&L)) directed each service to submit a depot maintenance strategic plan and provided direction for the content of those plans. The Air Force issued two documents in response to this direction--a Strategy and a Master Plan. GAO used qualitative content analyses to determine the extent to which the Air Force's collective plan addresses (1) key elements of a results-oriented management framework and (2) OUSD's (AT&L) direction for the plan's content."
Date:
May 14, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Do Heat Pump Clothes Dryers Make Sense for the U.S. Market
Heat pump clothes dryers (HPCDs) can be as much as 50percent more energy-efficient than conventional electric resistance clothes dryers, and therefore have the potential to save substantial amounts of electricity. While not currently available in the U.S., there are manufacturers in Europe and Japan that produce units for those markets. Drawing on analysis conducted for the U.S. Department of Energy's (DOE) current rulemaking on amended standards for clothes dryers, this paper evaluates the cost-effectiveness of HPCDs in American homes, as well as the national impact analysis for different market share scenarios. In order to get an accurate measurement of real energy savings potential, the paper offers a new energy use calculation methodology that takes into account the most current data on clothes washer cycles, clothes dryer usage frequency, remaining moisture content, and load weight per cycle, which is very different from current test procedure values. Using the above methodology along with product cost estimates developed by DOE, the paper presents the results of a life-cycle cost analysis of the adoption of HPCDs in a representative sample of American homes. The results show that HPCDs have positive economic benefits only for households with high clothes dryer usage or for households with …
Date:
May 14, 2010
Creator:
Meyers, Steve; Franco, Victor; Lekov, Alex; Thompson, Lisa & Sturges, Andy
Object Type:
Article
System:
The UNT Digital Library
Economics of Condensing Gas Furnaces and Water Heaters Potential in Residential Single Family Homes
Residential space and water heating accounts for over 90percent of total residential primary gas consumption in the United States. Condensing space and water heating equipment are 10-30percent more energy-efficient than conventional space and water heating. Currently, condensing gas furnaces represent 40 percent of shipments and are common in the Northern U.S. market. Meanwhile, manufacturers are planning to develop condensing gas storage water heaters to qualify for Energy Star? certification. Consumers, installers, and builders who make decisions about installing space and water heating equipment generally do not perform an analysis to assess the economic impacts of different combinations and efficiencies of space and water heating equipment. Thus, equipment is often installed without taking into consideration the potential life-cycle economic and energy savings of installing space and water heating equipment combinations. Drawing on previous and current analysis conducted for the United States Department of Energy rulemaking on amended standards for furnaces and water heaters, this paper evaluates the extent to which condensing equipment can provide life-cycle cost-effectiveness in a representative sample of single family American homes. The economic analyses indicate that significant energy savings and consumer benefits may result from large-scale introduction of condensing water heaters combined with condensing furnaces in U.S. …
Date:
May 14, 2010
Creator:
Lekov, Alex; Franco, Victor & Meyers, Steve
Object Type:
Article
System:
The UNT Digital Library
Factors Affecting the Demand for Long-Term Care Insurance: Issues for Congress
This report provides information about the issues for Congress on Factors Affecting the Demand for Long-Term Care Insurance. This report will discuss the role of LTCI in financing LTC costs and current trends in the LTCI industry.
Date:
May 14, 2010
Creator:
Mulvey, Janemarie
Object Type:
Report
System:
The UNT Digital Library
Federal Register, Volume 75, Number 93, May 14, 2010, Pages 27155-27398
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:
May 14, 2010
Creator:
United States. Office of the Federal Register.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library