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The excess flux in the cosmic submillimeter background radiation and the primordial deuterium abundance
Recent measurements of the cosmic background radiation (CBR) show an enhanced flux in the submillimeter regime, compared to the spectrum of a 2.7 K blackbody. Thermal Comptonization of the relic radiation by a hot nonrelativistic plasma has long been known to produce distortions in the CBR spectrum, similar to what has now been observed. Heating of the primeval plasma to temperatures T {approximately} 10{sup 6} {minus} 10{sup 8} K could result from the injection of subcosmic ray protons at epoch z {approximately} 10--100. The intensity of the subcosmic ray flux that provide conditions needed to explain the submillimeter excess by thermal Comptonization also leads to the production of cosmologically significant amounts of deuterium in collisions between subcosmic ray protons and primordial protons and {alpha}-particles. However, the amount of lithium produced through {alpha}-{alpha} reactions is in conflict with the observed Li abundance. If lithium is depleted, for example, by processing through Population II stars, arguments for the baryon content of the universe based on primordial deuterium and He abundances are weakened. 12 refs., 1 fig., 1 tab.
Date:
October 27, 1989
Creator:
Dermer, C. D.; Guessoum, N. (Lawrence Livermore National Lab., CA (USA) & National Aeronautics and Space Administration, Greenbelt, MD (USA). Lab. for High Energy Astrophysics)
Object Type:
Article
System:
The UNT Digital Library
Enhanced durability and reactivity for zinc ferrite desulfurization sorbent
AMAX Research Development Center (AMAX R D) has been investigating methods for improving the reactivity and durability of the zinc ferrite desulfurization sorbent. Zinc ferrite sorbents are intended for use in desulfurization of hog coal gas in integrated gasification combined cycle (IGCC) or molten carbonate fuel cell (MCFC) applications. The reactivity of the sorbent may be defined as its sulfur sorption capacity at the breakthrough point in a bench-scale fixed-bed reactor. The durability may be defined as the ability of the sorbent to maintain its reactivity and other important physical characteristics such as size, strength, and specific surface area during 10 cycles of sulfidation and regeneration. Two base case sorbents, spherical pellets and cylindrical extrudes used in related METC sponsored projects, are being used to provide a basis for the comparison of physical characteristics and chemical reactivity.
Date:
October 27, 1987
Creator:
Jha, M. C. & Berggren, M. H.
Object Type:
Report
System:
The UNT Digital Library
Upper limits on neutron bursts emitted from Ti pressurized D sub 2 gas cells
In a search for bursts of neutrons from Ti in pressurized D{sub 2} gas cells, no statistically significant deviations from the background were observed for events where five or more neutrons are detected over a ten day experiment, including 103 hours of counting with cells on, and 28 hours counting of various backgrounds. Up to four cells were used including some 60 grams of 662-Ti fillings in a pressurized cylinder with 40-60 atmosphere of D{sub 2} gas. Other Ti samples were used too. The samples were cooled to liquid nitrogen temperature and placed in front of the neutron detector while warming up to room temperature. Seven cooling cycles were used, for each sample. The neutron detector system included 12 liquid scintillator neutron detectors, arranged in a close packed geometry, with six detectors in the upper hemisphere and six in the lower hemisphere. A central detector placed 2 cm from the cells was used, in each hemisphere, as a scatterer for a time of flight coincidence measurement, yielding the total coincidence efficiency of {epsilon}=2{plus minus}1%. The system was also used in singles mode to allow for counting with large efficiency. A neutron event is characterized by measuring its pulse heights, pulse …
Date:
October 27, 1989
Creator:
Rugari, S. L.; France, R. H., III; Gai, M.; Lund, B. J.; Smolen, S. D.; Zhao, Z. et al.
Object Type:
Report
System:
The UNT Digital Library
Three-dimensional temperature history of a multipass, filled weldment. Part 1
A conceptual model is developed for the three-dimensional temperature history of a multipass, filled weldment. Property variations with temperature and phase change are included. A mathematical model and finite difference equations are derived from the conceptual model and a solution procedure for the equations is presented.
Date:
October 27, 1976
Creator:
Kleinschmidt, D. E.; Trinh, T. & Troiano, R.A.
Object Type:
Report
System:
The UNT Digital Library
Information Security: SSA's Computer Intrusion Detection Capabilities
Correspondence issued by the General Accounting Office with an abstract that begins "GAO reviewed the Social Security Administration's (SSA) computing environment, focusing on its policies, procedures, and techniques designed to detect, respond to, and report on incidents of computer intrusion and misuse."
Date:
October 27, 1999
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Military Training: DOD's Report on the Sustainability of Training Ranges Addresses Most of the Congressional Reporting Requirements and Continues to Improve with Each Annual Update
Correspondence issued by the Government Accountability Office with an abstract that begins "A fundamental principle of military readiness is that the military must train as it intends to fight. Military training ranges provide the primary means to accomplish this goal. The Department of Defense's (DOD) training ranges vary in size from a few acres, for small arms training, to over a million acres for large maneuver exercises and weapons testing, and include broad open ocean areas for offshore training and testing. New advances in military technology, coupled with the complexity of recent military operations in Iraq, Afghanistan, and other locations around the world, generate the need to continually update and maintain DOD's training ranges. Senior DOD and military service officials have reported for some time that they face increasing difficulties in carrying out realistic training at military installations due to outside influences. DOD has defined a number of factors--including competition for broadcast frequencies or airspace, air pollution, noise pollution, endangered species, critical habitats and other protected resources, unexploded ordinance and munitions, urban growth around installations, and civilian access--that it says encroach upon its training ranges and capabilities. Because the military faces obstacles in acquiring new training lands, the preservation and …
Date:
October 27, 2009
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
The Uniformed and Overseas Citizens Absentee Voting Act: Overview and Issues
This report discusses the Uniformed and Overseas Citizens Absentee Voting Act (UOCAVA), under which members of the uniformed services and U.S. citizens who live abroad are eligible to register and vote absentee in federal elections. The report discusses recent improvements to UOCAVA, necessary as teh result of controversy surrounding ballots received in Florida from absentee voters in the 2000 presidential election. The report also discusses related legislation, such as the National Defense Authorization Act for FY2010, which provided for a major overhaul of UOCAVA.
Date:
October 27, 2010
Creator:
Coleman, Kevin J.
Object Type:
Report
System:
The UNT Digital Library
Financial Management: Improvements Needed in the Navy's Reporting of General Fund Inventory
Correspondence issued by the General Accounting Office with an abstract that begins "The Navy improved the reporting of its general fund inventory on its fiscal year 1999 financial statement. The Navy properly accounted for equipment and supplies that were not reported in the prior year's statement, which included inventories held by contractors and the Coast Guard. Improvements in the Navy's financial reporting, however, are still needed. GAO found many errors and omissions that continue to affect the accuracy of the Navy's financial reporting. This report summarizes the issues that the Navy needs to address as it compiles its fiscal year 2000 financial information."
Date:
October 27, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Credit Unions: Financial Condition Has Improved, but Opportunities Exist to Enhance Oversight and Share Insurance Management
A letter report issued by the General Accounting Office with an abstract that begins "Recent legislative and regulatory changes have blurred some distinctions between credit unions and other depository institutions such as banks. The 1998 Credit Union Membership Access Act (CUMAA) allowed for an expansion of membership and mandated safety and soundness controls similar to those of other depository institutions. In light of these changes and the evolution of the credit union industry, GAO evaluated (1) the financial condition of the industry and the deposit (share) insurance fund, (2) the impact of CUMAA on the industry, and (3) how the National Credit Union Administration (NCUA) had changed its safety and soundness processes."
Date:
October 27, 2003
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Environmental Protection: EPA's Use of Funds for Brownfields
Correspondence issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on the Environmental Protection Agency's (EPA) use of funds for its brownfield-related initiatives, focusing on the: (1) amount of funds that EPA actually obligated in fiscal years (FY) 1997-1999; (2) amount it plans to obligate in FY 2000; and (3) number of grants and agreements that EPA awarded or plans to award with these funds, along with the recipients of these awards."
Date:
October 27, 1999
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Unauthorized Alien Students: Issues and "DREAM Act" Legislation
Supporters of comprehensive immigration reform have urged the President and Congress to pursue reform legislation. While legislative action on comprehensive reform does not appear likely during the remainder of the 111th Congress, there may be an effort to enact a measure, commonly referred to as the "DREAM Act," to enable certain unauthorized alien students to legalize their status. This report discusses the DREAM act and related issues.
Date:
October 27, 2010
Creator:
Bruno, Andorra
Object Type:
Report
System:
The UNT Digital Library
The Bush Tax Cuts and the Economy
The George W. Bush Administration enacted a series of tax cuts through the Economic Growth and Tax Relief Reconciliation Act of 2001 and the Jobs and Growth Tax Relief Reconciliation Act of 2003. This report examines these tax cuts within the context of the current and long-term economic environment.
Date:
October 27, 2010
Creator:
Hungerford, Thomas L.
Object Type:
Report
System:
The UNT Digital Library
Economic Development Administration: Remediation Activities Account for a Small Percentage of Total Brownfield Grant Funding
A letter report issued by the Government Accountability Office with an abstract that begins "The Economic Development Administration (EDA) Reauthorization Act of 2004 (P. L. 108-373) included a requirement that GAO evaluate grants made by EDA for the economic development of brownfield sites. More than 450,000 brownfield sites--properties where redevelopment or reuse may be complicated by real or perceived environmental contamination--are scattered across the United States. This report discusses specifics of grants made by EDA at brownfields sites, including (1) the types, extent, and amount of EDA funds used for remediation activities; (2) the environmental standards and agencies involved; and (3) the economic development activities, standards, and impact."
Date:
October 27, 2005
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Federally Chartered Corporation: Review of the Financial Statement Audit Reports for the Jewish War Veterans of the United States of America, Incorporated for Fiscal Years 1999 and 1998
Correspondence issued by the General Accounting Office with an abstract that begins "GAO reviewed the financial statement audit reports for the Jewish War Veterans of the United States of America, Incorporated, for fiscal years 1999 and 1998. GAO found no reportable instances of noncompliance with the requirements of the law, and the audit report included the auditor's opinion that the financial statements of the corporation were presented fairly in accordance with generally accepted accounting principles."
Date:
October 27, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Federally Chartered Corporation: Review of the Financial Statement Audit Report for the Navy Club of the United States of America for Fiscal Year 1998
Correspondence issued by the General Accounting Office with an abstract that begins "GAO reviewed the financial statement audit reports for the Navy Club of the United States of America for fiscal year 1998. GAO found no reportable instances of noncompliance with the requirements of the law, and the audit report included the auditor's opinion that the financial statements of the corporation were presented fairly in accordance with generally accepted accounting principles."
Date:
October 27, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Military Personnel: Top Management Attention Is Needed to Address Long-standing Problems with Determining Medical and Physical Fitness of the Reserve Force
A letter report issued by the Government Accountability Office with an abstract that begins "The Department of Defense's (DOD) operations in time of war or national emergency depend on sizeable reserve force involvement and DOD expects future use of the reserve force to remain high. Operational readiness depends on healthy and fit personnel. Long-standing problems have been identified with reserve members not being in proper medical or physical condition. Drilling members in the reserve force by law are required to have a medical exam every 5 years and an annual certificate of their medical status. Also, DOD policies require an annual dental exam and an annual evaluation of physical fitness. Compliance with these routine requirements is the first step in determining who is fit for duty. Public Law 108-375 required GAO to study DOD's management of the health status of reserve members activated for Operations Enduring Freedom and Iraqi Freedom. GAO assessed DOD's (1) ability to determine reserve force compliance with routine exams, and (2) visibility over reserve members' health status after they are called to duty and the care, if any, provided to those deployed with preexisting conditions."
Date:
October 27, 2005
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Supplemental Security Income: Preliminary Observations on Children with Mental Impairments
Testimony issued by the Government Accountability Office with an abstract that begins "The Social Security Administration's (SSA) Supplemental Security Income (SSI) program provides cash benefits to eligible low-income disabled individuals, including children, as well as certain others. Children may generally qualify for SSI benefits if they meet certain financial requirements and are deemed to have a qualifying medically determinable physical or mental impairment of a specified duration or severity that results in a functional limitation. In 2010, SSA paid more than $9 billion to about 1.2 million disabled children. Over the past decade, the overall number of children receiving SSI benefits has continued to rise. In this statement, GAO discusses initial observations from its ongoing review and examines (1) the trends in the rate of children receiving SSI benefits due to mental impairments over the past decade; (2) the role that medical and nonmedical information, such as medication and school records, play in the initial determination of a child's medical eligibility; and (3) the steps SSA has taken to monitor the continued medical eligibility of these children. To examine these issues, GAO analyzed program data, interviewed SSA officials, conducted site visits to SSA field offices and state disability determination services …
Date:
October 27, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Financial Audit: Restatements to the Nuclear Regulatory Commission's Fiscal Year 2003 Financial Statements
Correspondence issued by the Government Accountability Office with an abstract that begins "The Secretary of Treasury, in coordination with the Director of the Office of Management and Budget (OMB), is required to annually prepare and submit audited financial statements of the U.S. government to the President and Congress. We are required to audit these consolidated financial statements (CFS) and report on the results of our work. An issue meriting concern and close scrutiny that emerged during our fiscal year 2004 CFS audit was the growing number of Chief Financial Officers (CFO) Act agencies that restated certain of their financial statements for fiscal year 2003 to correct errors. Errors in financial statements can result from mathematical mistakes, mistakes in the application of accounting principles, or oversight or misuse of facts that existed at the time the financial statements were prepared. Frequent restatements to correct errors can undermine public trust and confidence in both the entity and all responsible parties. Further, when restatements do occur, it is important that financial statements clearly communicate, and readers of the restated financial statements understand, that the financial statements originally issued by management in the previous year and the opinion thereon should not be used. Because …
Date:
October 27, 2005
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Federally Chartered Corporation: Review of the Financial Statement Audit Reports for the National Society of the Daughters of the American Revolution for Fiscal Years 1999 and 1998
Correspondence issued by the General Accounting Office with an abstract that begins "GAO reviewed the financial statement audit reports for the Daughters of the American Revolution for fiscal years 1999 and 1998. GAO found no reportable instances of noncompliance with the requirements of the law, and the audit report included the auditor's opinion that the financial statements of the corporation were presented fairly in accordance with generally accepted accounting principles."
Date:
October 27, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Federally Chartered Corporation: Review of the Financial Statement Audit Report for the National Ski Patrol System, Incorporated, for Fiscal Years 1999 and 1998
Correspondence issued by the General Accounting Office with an abstract that begins "GAO reviewed the financial statement audit reports for the National Ski Patrol System for fiscal years 1999 and 1998. GAO found no reportable instances of noncompliance with the requirements of the law, and the audit report included the auditor's opinion that the financial statements of the corporation were presented fairly in accordance with generally accepted accounting principles."
Date:
October 27, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Food Safety: Agencies Should Further Test Plans for Responding to Deliberate Contamination
A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO reviewed the preparedness of the federal food safety regulatory agencies to respond to acts or threats of deliberate food contamination, including those by terrorists, focusing on the: (1) extent to which food has been deliberately contaminated with a biological agent (bacteria, virus, or toxin) or threatened to be contaminated with such an agent; and (2) plans and procedures that federal food safety regulatory agencies have for responding to threats and acts of deliberate food contamination with a biological agent."
Date:
October 27, 1999
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Federally Chartered Corporation: Review of the Financial Statement Audit Report for the National Tropical Botanical Garden for 1998 and 1997
Correspondence issued by the General Accounting Office with an abstract that begins "GAO reviewed the financial statement audit reports for the National Tropical Botanical Garden's for 1998 and 1997. GAO found no reportable instances of noncompliance with the requirements of the law, and the audit report included the auditor's opinion that the financial statements of the corporation were presented fairly in accordance with generally accepted accounting principles."
Date:
October 27, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Federally Chartered Corporation: Review of the Financial Statement Audit Report for the Disabled American Veterans for 1999
Correspondence issued by the General Accounting Office with an abstract that begins "GAO reviewed the financial statement audit reports for the Disabled American Veterans' for 1999. GAO found no reportable instances of noncompliance with the requirements of the law, and the audit report included the auditor's opinion that the financial statements of the corporation were presented fairly in accordance with generally accepted accounting principles."
Date:
October 27, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Federally Chartered Corporation: Review of the Financial Statement Audit Report for the Reserve Officers Association of the United States for Fiscal Year 1999
Correspondence issued by the General Accounting Office with an abstract that begins "GAO reviewed the financial statement audit reports for the Reserve Officers Association's for fiscal year 1999. GAO found no reportable instances of noncompliance with the requirements of the law, and the audit report included the auditor's opinion that the financial statements of the corporation were presented fairly in accordance with generally accepted accounting principles."
Date:
October 27, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library