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Extracted current densities from surface conversion sources of negative ions
The condition for extracting a maximum negative ion current density is found when the product of the radius of the negative ion conversion electrode, the cross-section for negative and positive ion recombination, and the density of positive ions in the ion source equals one. The optimum output is obtained at the highest positive ion density and the smallest electrode radius.
Date:
February 10, 1982
Creator:
Fink, J.H.
Object Type:
Report
System:
The UNT Digital Library
SOME EXPERIENCES IN THE WELD FABRICATION OF REFRACTORY METALS
Discussion is given on the welding fabrication of tungsten, molybdenum, niobium, and tantalum. Properties which make the four refractory metals important are tabulatcd along with titanium which is given for comparison. Extensive evaluation was conducted using the gas, tungsten arc welding process employing both manual and machine welding. Design data were obtained exclusively from machine welded sheet materials. Flash welding, resistance spot welding and brazing, electron beam welding, and high frequency resistance welding processes were also applied to molybdenum alloys. The oxidation of molybdenum, tantalum, and niobium in flowing air at 2000 deg F is also given. (P.C.H.)
Date:
February 10, 1961
Creator:
Thompson, E.G.
Object Type:
Report
System:
The UNT Digital Library
January 1978 monthly highlights for Office of Nuclear Regulatory Research Programs at Oak Ridge National Laboratory
Highlights of technical progress during January 1978 are presented for sixteen separate program activities which comprise the ORNL research program for the Office of Nuclear Regulatory Research's Division of Reactor Safety Research.
Date:
February 10, 1978
Creator:
Mynatt, F.R. (comp.)
Object Type:
Report
System:
The UNT Digital Library
Pyrolysis and gasification of coal at high temperatures
The macropore structure of chars is a major factor in determining their reactivity during the gasification stage. The major objectives of this contract were to (a) quantify by direct measurements the effect of pyrolysis conditions of the macropore structure, and (b) establish how the macropores affected the reactivity pattern, the ignition behavior and the fragmentation of the char particles during gasification in the regime of strong diffusional limitations. Results from this project provide much needed information on the factors that affect the quality of the solid products (chars) of coal utilization processes (for example, mild gasification processes). The reactivity data will also provide essential parameters for the optimal design of coal gasification processes. (VC)
Date:
February 10, 1992
Creator:
Zygourakis, K.
Object Type:
Report
System:
The UNT Digital Library
Investigation into the repetition-rate limitations of magnetic switches
The use of magnetic switches to generate high power pulses has opened up a whole new spectrum of possibilities. Here we describe an investigation into the maximum repetition rates possible with these devices.
Date:
February 10, 1982
Creator:
Birx, D. L.; Reginato, L. L. & Schmidt, J. A.
Object Type:
Article
System:
The UNT Digital Library
H-division quarterly report, October--December 1977. [Lawrence Livermore Laboratory]
The Theoretical EOS Group develops theoretical techniques for describing material properties under extreme conditions and constructs equation-of-state (EOS) tables for specific applications. Work this quarter concentrated on a Li equation of state, equation of state for equilibrium plasma, improved ion corrections to the Thomas--Fermi--Kirzhnitz theory, and theoretical estimates of high-pressure melting in metals. The Experimental Physics Group investigates properties of materials at extreme conditions of pressure and temperature, and develops new experimental techniques. Effort this quarter concerned the following: parabolic projectile distortion in the two-state light-gas gun, construction of a ballistic range for long-rod penetrators, thermodynamics and sound velocities in liquid metals, isobaric expansion measurements in Pt, and calculation of the velocity--mass profile of a jet produced by a shaped charge. Code development was concentrated on the PELE code, a multimaterial, multiphase, explicit finite-difference Eulerian code for pool suppression dynamics of a hypothetical loss-of-coolant accident in a nuclear reactor. Activities of the Fluid Dynamics Group were directed toward development of a code to compute the equations of state and transport properties of liquid metals (e.g. Li) and partially ionized dense plasmas, jet stability in the Li reactor system, and the study and problem application of fluid dynamic turbulence theory. 19 …
Date:
February 10, 1978
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
China-U.S. Trade Issues
This report discusses the U.S.-China economic relationship and China's rapid expansion as a global economic market, both with respect to the current global economic crisis. It also examines major U.S.-China trade issues and related legislation.
Date:
February 10, 2014
Creator:
Morrison, Wayne M.
Object Type:
Report
System:
The UNT Digital Library
Navy Force Structure and Shipbuilding Plans: Background and Issues for Congress
This report provides background information and presents potential issues for Congress concerning the Navy's ship force-structure goals and shipbuilding plans. The planned size of the Navy, the rate of Navy ship procurement, and the prospective affordability of the Navy's shipbuilding plans have been matters of concern for the congressional defense committees for the past several years. Decisions that Congress makes on Navy shipbuilding programs can substantially affect Navy capabilities and funding requirements, and the U.S. shipbuilding industrial base.
Date:
February 10, 2014
Creator:
O'Rourke, Ronald
Object Type:
Report
System:
The UNT Digital Library
Career and Technical Education (CTE): A Primer
This report discusses Career and Technical Education (CTE), often referred to as vocational education, that provides occupational and non-occupational preparation at the secondary, post-secondary, and adult education levels.
Date:
February 10, 2014
Creator:
Dortch, Cassandria
Object Type:
Report
System:
The UNT Digital Library
The Hurricane Sandy Rebuilding Strategy: In Brief
This report briefly analyzes the Hurricane Sandy Rebuilding Strategy (HSRS), which is the key strategic document released by the Hurricane Sandy Rebuilding Task Force established by executive order. It also discusses overarching issues for Congress that may arise in oversight of the Hurricane Sandy recovery process and how lessons learned from Hurricane Sandy can be applied to future disasters.
Date:
February 10, 2014
Creator:
Brown, Jared T.
Object Type:
Report
System:
The UNT Digital Library
The FutureGen Carbon Capture and Sequestration Project: A Brief History and Issues for Congress
This report briefly summarizes the history of FutureGen, discusses why it has gained interest and support from some members of Congress and the Administration while remaining in initial stages of development, and offers some policy considerations on barriers that challenge its further development as a model for a carbon capture and sequestration (CCS) program. A timeline history of FutureGen is included at the end of this report.
Date:
February 10, 2014
Creator:
Folger, Peter
Object Type:
Report
System:
The UNT Digital Library
Government Assistance for GMAC/Ally Financial: Unwinding the Government Stake
This report discusses the auto financing industry, particularly Ally Financial, formerly known as General Motors Acceptance Corporation or GMAC.
Date:
February 10, 2014
Creator:
Webel, Baird & Canis, Bill
Object Type:
Report
System:
The UNT Digital Library
Carbon Capture and Sequestration: Research, Development, and Demonstration at the U.S. Department of Energy
This report aims to provide a snapshot of the U.S. Department of Energy (DOE) Carbon capture and sequestration (CCS) program, including its current funding levels and the budget request for FY2014, together with some discussion of the program's achievements and prospects for success in meeting its stated goals.
Date:
February 10, 2014
Creator:
Folger, Peter
Object Type:
Report
System:
The UNT Digital Library
Typhoon Haiyan (Yolanda): U.S. and International Response to Philippines Disaster
This report examines the impact of Typhoon Haiyan (Yolanda), which struck the central Philippines on November 8, 2013, and the U.S. and international response.
Date:
February 10, 2014
Creator:
Lum, Thomas & Margesson, Rhoda
Object Type:
Report
System:
The UNT Digital Library
Human Capital: Opportunities Exist to Build on Recent Progress to Strengthen DOD's Civilian Human Capital Strategic Plan
A letter report issued by the Government Accountability Office with an abstract that begins "Having the right number of civilian personnel with the right skills is critical to achieving the Department of Defense's (DOD) mission. With more than 50 percent of its civilian workforce (about 700,000 civilians) eligible to retire in the next few years, DOD may be faced with deciding how to fill numerous mission-critical positions--some involving senior leadership. The National Defense Authorization Act (NDAA) for Fiscal Year (FY) 2006 requires DOD to develop a strategic human capital plan, update it annually through 2010, and address eight requirements. GAO previously found that DOD's 2007 plan did not meet most requirements. The 2007 NDAA added nine requirements to the annual update to shape DOD's senior leader workforce. GAO was asked to assess the extent to which DOD's 2008 update addressed (1) the 2006 human capital planning requirements, (2) the 2007 senior leader requirements, and (3) key factors that may affect civilian workforce planning. GAO analyzed the update, compared it with the requirements, and reviewed factors identified in the update and prior GAO work."
Date:
February 10, 2009
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Drug Shortages: Threat to Public Health Persists, Despite Actions to Help Maintain Product Availability
Testimony issued by the Government Accountability Office with an abstract that begins "The number of drug shortages remains high. Although reports of new drug shortages declined in 2012, the total number of shortages active during a given year—including both new shortages reported and ongoing shortages that began in a prior year—has increased since 2007. Many shortages are of generic sterile injectable drugs. Provider association representatives reported that drug shortages may force providers to ration care or face difficulties finding alternative drugs."
Date:
February 10, 2014
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Information Technology: OMB and Department of Homeland Security Investment Reviews
A letter report issued by the General Accounting Office with an abstract that begins "In July 2002, the Office of Management and Budget (OMB) issued two memorandums directing agencies expected to be part of the Department of Homeland Security (DHS) to temporarily cease funding for new information technology (IT) infrastructure and business systems investments and submit information to OMB on current or planned investments in these areas. GAO was asked to (1) explain OMB's implementation of these memorandums, (2) identify any resulting changes to applicable IT investments, and (3) ascertain if DHS has initiated its own investment management reviews and, if so, what the results of these reviews have been."
Date:
February 10, 2004
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
DHS Human Capital: Senior Leadership Vacancy Rates Generally Declined, but Components' Rates Varied [Reissued on February 22, 2012]
A letter report issued by the Government Accountability Office with an abstract that begins "The Department of Homeland Security’s (DHS) senior leadership vacancy rates, while reaching a peak of 25 percent in 2006, have generally declined since that time—from 25 percent in fiscal year 2006 to 10 percent at the end of fiscal year 2011. From fiscal years 2006 through 2010—the most recent year for which governmentwide vacancy and attrition data were available—DHS vacancy rates in 2006, 2007, and 2010 were statistically higher than the average of other agencies subject to the Chief Financial Officers (CFO) Act but were not statistically different in 2008 and 2009. DHS’s components’—such as the Transportation Security Administration and U.S. Immigration and Customs Enforcement—vacancy rates varied. Many had vacancy rates above 20 percent—one as high as 57 percent—in fiscal year 2006, but generally had lower rates at the end of fiscal year 2011."
Date:
February 10, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Nuclear Waste: DOE Needs a Comprehensive Strategy and Guidance on Computer Models that Support Environmental Cleanup Decisions
A letter report issued by the Government Accountability Office with an abstract that begins "The Department of Energy's (DOE) Office of Environmental Management (EM) is responsible for one of the world's largest cleanup programs: treatment and disposal of radioactive and hazardous waste created as a by-product of nuclear weapons production and energy research at sites across the country, such as EM's Hanford Site in Washington State and the Savannah River Site (SRS) in South Carolina. Computer models--which represent physical and biogeochemical processes as mathematical formulas--are one tool EM uses in the cleanups. GAO was asked to (1) describe how EM uses computer models in cleanup decisions; (2) evaluate how EM ensures the quality of its computer models; and (3) assess EM's overall strategy for managing its computer models. GAO analyzed the use of selected models in decisions at Hanford and SRS, reviewed numerous quality assurance documents, and interviewed DOE officials as well as contractors and regulators."
Date:
February 10, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Energy Employees Compensation: Adjustments Made to Contracted Review Process, But Additional Oversight and Planning Would Aid the Advisory Board in Meeting Its Statutory Responsibilities
A letter report issued by the Government Accountability Office with an abstract that begins "For the last several decades, the Department of Energy and its predecessor agencies and contractors have employed thousands of individuals in secret and dangerous work in the atomic weapons industry. In 2000, Congress enacted the Energy Employees Occupational Illness Compensation Program Act to compensate those individuals who have developed cancer or other specified diseases related to on-the-job exposure to radiation and other hazards at these work sites. Under Subtitle B, determining the eligibility of claimants for compensation is a complex process, involving several federal agencies and a reconstruction of the historical evidence available. The Department of Labor must consider a claimant's case based on records of his or her employment and work activities, which are provided by the Department of Energy. Labor considers the compensability of certain claims by relying on estimates of the likely radiation levels to which particular workers were exposed. These "dose reconstructions" are developed by the National Institute for Occupational Safety and Health (NIOSH) under the Department of Health and Human Services (HHS). NIOSH also compiles information in "site profiles" about the radiation protection practices and hazardous materials used at various plants …
Date:
February 10, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Department of Education: Improved Oversight and Controls Could Help Education Better Respond to Evolving Priorities
A letter report issued by the Government Accountability Office with an abstract that begins "The U.S. Department of Education (Education) manages one of the largest discretionary appropriations of any federal agency, and plays a key role in supporting efforts to meet the nation's education goals. While Education managed a discretionary appropriation of over $160 billion in fiscal year 2009 and was responsible for administering about 200 grant programs, it has the smallest workforce of any cabinet agency. As requested, this report examines (1) the key high-level management challenges facing Education, (2) Education's strategic management of its workforce, (3) Education's design of internal controls to help ensure accountability over contracts and student aid grants, and (4) Education's information technology (IT) management controls. To do this, GAO reviewed relevant Education documents and interviewed Education program and management officials about strategic workforce management, IT, contracts, and Pell Grants."
Date:
February 10, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Architect of the Capitol: Addressing Staffing and Training Issues Is Important for Efficient and Safe West Refrigeration Plant Operations
Correspondence issued by the Government Accountability Office with an abstract that begins "The West Refrigeration Plant Expansion (WRPE) project is the centerpiece of an effort to expand the capacity of the Capitol Power Plant (CPP) to meet the U.S. Capitol's growing heating and cooling needs and to update plant equipment, some of which dates to the 1950s. CPP generates steam and chilled water to provide heating and cooling for the Capitol and 23 surrounding facilities that, together, encompass about 16 million square feet of space. CPP will also serve the 580,000-square-foot Capitol Visitor Center (CVC), which is under construction. When completed, the WRPE project will increase CPP's chilled water production capacity by about 23 percent and enable central operation of CPP's chillers. The WRPE construction contract was awarded in March 2003, work is ongoing, and the project is now scheduled for completion in March 2006. Future contract changes may, however, extend this date to June 2006. The budget for the WRPE project and associated administrative expenses is $81.7 million. Several modifications have been made to the WRPE contract to incorporate other capital improvements at CPP. The budget for these modifications is $19.2 million, bringing the total budget for the base …
Date:
February 10, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Recovery Act: IRS Quickly Implemented Tax Provisions, but Reporting and Enforcement Improvements Are Needed
A letter report issued by the Government Accountability Office with an abstract that begins "The American Recovery and Reinvestment Act of 2009 (Recovery Act), was enacted to bolster the struggling U.S. economy at an estimated cost of $787 billion, of which more than a third was in the form of tax relief to the public. This report (1) describes the status of the Internal Revenue Service's (IRS) implementation of Recovery Act tax provisions; (2) examines whether IRS captured or planned to capture data on the use of the provisions; (3) assesses IRS's efforts to determine potential abuse of the provisions; and (4) discusses possible lessons learned for future tax administration. GAO analyzed IRS's implementation and data-collection plans for each provision; reviewed IRS and Department of the Treasury (Treasury) risk-management documents; interviewed federal and industry officials; and focused on five provisions implemented in 2009: Build America Bonds (BAB), Consolidated Omnibus Budget Reconciliation Act (COBRA), First-Time Homebuyer Credit (FTHBC), Making Work Pay Credit, and Net Operating Loss carrybacks."
Date:
February 10, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Rural Utilities Service: Loan Origination Policies and Procedures for Generation and Transmission Loans
Correspondence issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on the Rural Utilities Service's (RUS) loan origination policies and procedures for making generation and transmission (G&T) loans, focusing on: (1) what RUS' loan origination policies and procedures are for making G&T loans and whether these policies and procedures are effectively designed to mitigate future loan losses to the government; and (2) whether these loan origination policies and procedures for G&T loans have been changed since fiscal year (FY) 1994 to prevent problems with the existing loan portfolio from occurring in the future."
Date:
February 10, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library