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Evaluation of Wire Scanner for SM-1
Preliminary design concepts are presented for a wire scanner for experimentally evaluating spatial variations of neutron flux in the SM-l reactor core. Results of a literature search and determination of optimum criteria for flux mapping the core in minimum time dictated requirements for design concepts and specifications. The utility of both manually instrumented and automatically instrumented wire scanners was analyzed with respect to rapidity of measurement, selectivity of detector location, cost, value of data, plant downtime, and additional factors. (auth)
Date:
November 22, 1961
Creator:
Kemp, S. N.
Object Type:
Report
System:
The UNT Digital Library
Arsenic Removal From Gaseous Streams
Uranium feed materials, depending on the production process, have been found to contain arsenic (As) as a contaminant. Analyses show the As to be present as As pentafluoride (AsF{sub 5}) and/or hexafluoroarsenic acid (HAsF{sub 6}) and enter the enrichment cycle through contaminated hydrogen fluoride (HF). Problems related to corrosion of cylinder valves and plugging of feed lines and valves have been attributed to the As. Techniques to separate AsF{sub 5} from uranium hexafluoride (UF{sub 6}) using sodium fluoride (NaF) as a trapping media were successful and will be discussed. Procedures to significantly reduce (up to 97%) the level of As in HF will also be reported. 5 figs., 9 tabs.
Date:
November 22, 1989
Creator:
Russell, R. G. & Otey, M. G.
Object Type:
Report
System:
The UNT Digital Library
Development of a three-dimensional model of the atmospheric boundary layer using the finite element method
This report summarizes our current effort and ideas toward the development of a model for the planetary boundary layer using the finite element technique. As an initial step, the finite element methodology is applied to simpler version of the boundary layer equations given by the two-dimensional, constant-property, incompressible conservation equations (Navier-Stokes equations). Solution procedures for both the steady-state and transient equations are discussed. For the transient problem, a variable time-step, trapezoid-rule algorithm with dynamic time-truncation error control is presented. The resulting system of nonlinear algebraic equations is solved by a Newton iteration procedure with a frontal solution scheme used for the linear set of equations. The need to develop a suitable linear equation solver, with respect to minimization of computer storage and execution costs, particularly for large (three-dimensional) finite element problems, is also discussed.
Date:
November 22, 1977
Creator:
Lee, R. L. & Gresho, P. M.
Object Type:
Report
System:
The UNT Digital Library
Improved methods for computing masses from numerical simulations
An important advance in the computation of hadron and glueball masses has been the introduction of non-local operators. This talk summarizes the critical signal-to-noise ratio of glueball correlation functions in the continuum limit, and discusses the case of (q{bar q} and qqq) hadrons in the chiral limit. A new strategy for extracting the masses of excited states is outlined and tested. The lessons learned here suggest that gauge-fixed momentum-space operators might be a suitable choice of interpolating operators. 15 refs., 2 tabs.
Date:
November 22, 1989
Creator:
Kronfeld, A.S.
Object Type:
Article
System:
The UNT Digital Library
Mechanical construction of the 22 Nova laser
The Nova laser system for Inertial Confinement Fusion studies at Lawrence Livermore National Laboratory is under construction and will be completed October 1984 with first operations scheduled for 1985. This system is the largest precision opto-mechanical engineering system ever built. Major engineering and subsystems are mechanical, optical, and electrical power. A series of system technologies include alignment, diagnostics, target, frequency conversion, and controls. This paper will only discuss the mechanical system.
Date:
November 22, 1983
Creator:
Hurley, C.A.; Frick, F.A.; Patton, H.G.; Bradley, G. & Martos, A.
Object Type:
Article
System:
The UNT Digital Library
Hazard-identification matrix for 10-MW/sub e/ solar-thermal central-receiver pilot plant: preliminary hazard-analysis input
The hazard matrix is our gross identifier of potential solar collector subsystem hazards. The matrix will be used as a hazard reference in the accomplishment of the preliminary design hazard analysis, and to assist system design engineers in the evaluation of the specific subsystem design.
Date:
November 22, 1978
Creator:
Wander, H.R.
Object Type:
Report
System:
The UNT Digital Library
Expiring Unemployment Insurance Provisions
This report discusses several key provisions related to extended federal unemployment benefits that are temporary and, therefore, scheduled to expire. This report describes the consequences of these expirations for the financing and availability of unemployment benefits in states. It also summarizes the last three laws that have extended these expiring provisions: P.L. 112-240, P.L. 112-96, and P.L. 112-78.
Date:
November 22, 2013
Creator:
Isaacs, K. P.
Object Type:
Report
System:
The UNT Digital Library
Legislative Actions to Repeal, Defund, or Delay the Affordable Care Act
This report summarizes legislative and other actions taken to repeal, defund, or delay the Affordable Care Act (ACA), since the law's enactment. The information is presented in four appendixes.
Date:
November 22, 2013
Creator:
Redhead, C. S. & Kinzer, Janet
Object Type:
Report
System:
The UNT Digital Library
Pay Equity: Legislative and Legal Developments
This report discusses pay equity litigation, including Wal-Mart Stores v. Dukes, a case in which the Supreme Court rejected class action status for current and former female Wal-Mart employees who allege that the company has engaged in pay discrimination.
Date:
November 22, 2013
Creator:
Collins, Benjamin & Feder, Jody
Object Type:
Report
System:
The UNT Digital Library
U.S. Trade Deficit and the Impact of Changing Oil Prices
This report provides an estimate of the initial impact of the changing oil prices on the nation's merchandise trade balance.
Date:
November 22, 2013
Creator:
Jackson, James K.
Object Type:
Report
System:
The UNT Digital Library
Financial Management: National Institutes of Health Research Invention Licenses and Royalties
Correspondence issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on issues related to the National Institutes of Health's (NIH) licensing of inventions developed under intramural research projects, focusing on the: (1) extent of and reasons for the differences between the number of research inventions licensed under cooperative research and development agreements (CRADA) compared to inventions licensed under other intramural research projects; and (2) internal controls that ensure proper accountability for royalty income resulting from these licenses."
Date:
November 22, 1999
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Integration of Current Implementation Efforts with Long-term Planning for the Next Generation Air Transportation System
Correspondence issued by the Government Accountability Office with an abstract that begins "The Federal Aviation Administration (FAA) is the lead implementer and planner for the Next Generation Air Transportation System (NextGen)--an ambitious, multiyear, multibillion-dollar overhaul of systems, procedures, aircraft performance capabilities, and supporting infrastructure that will create an air transportation system that uses satellite-based surveillance and navigation and network-centric operations. NextGen was designed as an interagency effort to leverage expertise and funding throughout the federal government. The Senior Policy Committee--the overall governing body for NextGen, chaired by the Secretary of Transportation--consists ocabinet-level officials from each of the partner agencies. The initial planning for NextGen, which began with Vision 100 in 2003 and was carried out by the Joint Planning and Development Office (JPDO) within FAA, focused on improvements to the air transportation system that would be implemented through 2025. JPDO produced three key planning documents--a Concept of Operations, a NextGen Enterprise Architecture, and an Integrated Work Plan (IWP). Recently, FAA has shifted its focus from the longer term (i.e., beyond 2018) and emphasized improvements that can be implemented in the near term and midterm (2010 through 2018). The shift responds, in part, to concerns expressed by stakeholders and Members of …
Date:
November 22, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
NASA: Medium Launch Transition Strategy Leverages Ongoing Investments but Is Not Without Risk
A letter report issued by the Government Accountability Office with an abstract that begins "The National Aeronautics and Space Administration (NASA) has long relied on the Delta II medium class launch vehicle to launch science missions. Delta II, however, is no longer in production, and no other vehicle in the relative cost and performance range is currently certified for NASA use. Thus, NASA faces a potential gap in the availability of medium class launch vehicles that could cause design challenges, delays, or funding issues. GAO was asked to assess (1) NASA's and the Delta II contractor's, steps to ensure resources (budget, workforce, and facilities) are available to support safe Delta II operations through the last planned NASA flight in 2011; (2) NASA's plans and contingencies for ensuring a smooth transition from current small and medium class launch vehicles to other launch vehicles for future science missions; (3) the risks associated with NASA's planned approach to fill the medium launch capability gap; and (4) technical and programmatic implications to science missions if NASA commits to new launch vehicles before they are certified and proven. GAO identified and assessed transition plans and mitigation activities and interviewed responsible NASA and government officials."
Date:
November 22, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Immigration Benefits: Consistent Adherence to DHS's Acquisition Policy Could Help Improve Transformation Program Outcomes
A letter report issued by the Government Accountability Office with an abstract that begins "Each year, the Department of Homeland Security's (DHS) U.S. Citizenship and Immigration Services (USCIS) processes millions of applications for immigration benefits using a paper-based process. In 2005, USCIS embarked on a major, multiyear program to transform its process to a system that is to incorporate electronic application filing, adjudication, and case management. In 2007, GAO reported that USCIS was in the early stages of the Transformation Program and that USCIS's plans partially or fully met key practices. In 2008, USCIS contracted with a solutions architect to help develop the new system. As requested, GAO evaluated the extent to which USCIS has followed DHS acquisition policy in developing and managing the Transformation Program. GAO reviewed DHS acquisition management policies and guidance; analyzed transformation program planning and implementation documents such as operational requirements; compared schedule and cost information with GAO best practice guidance; and interviewed USCIS officials.."
Date:
November 22, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Aviation Security: Registered Traveler Program Policy and Implementation Issues
A letter report issued by the General Accounting Office with an abstract that begins "The aviation industry and business traveler groups have proposed the registered traveler concept as a way to reduce long waits in airport security lines caused by heightened security screening measures implemented after the September 11 terrorist attacks. In addition, aviation security experts have advocated this concept as a way to better target security resources to those travelers who might pose greater security risks. The Aviation and Transportation Security Act of November 2001 allows the Transportation Security Administration (TSA) to consider developing a registered traveler program as a way to address these two issues. GAO completed this review to inform Congress and TSA of policy and implementation issues related to the concept of a registered traveler program."
Date:
November 22, 2002
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Defense Acquisitions: Joint Forces Command's Limited Acquisition Authority
Correspondence issued by the Government Accountability Office with an abstract that begins "In recent years, Congress has expressed concern that urgent joint warfighting requirements are not always met in the most expeditious manner, particularly command and control and blue-force-tracking capabilities that reduce the chances of friendly-fire casualties. In the National Defense Authorization Act for Fiscal Year 2004 (P.L. 108-136), Congress gave the U.S. Joint Forces Command (JFCOM) Limited Acquisition Authority (LAA) to address these and other joint-warfighting challenges. LAA is an authority aimed at ensuring that measures to meet urgent, unanticipated joint warfighting needs are conceived, developed, and fielded in an expeditious manner. Enacted for a 3-year period, LAA will expire after September 30, 2006. The Act required GAO to determine the extent to which LAA has been used. Specifically, we focused on (1) how JFCOM used the authority during fiscal years 2004 and 2005, (2) the processes and procedures JFCOM developed to implement the authority, and (3) the challenges of implementing it. In covering these areas, we did not evaluate the quality of the projects undertaken or the value added of the equipment provided to the warfighter under LAA."
Date:
November 22, 2005
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Minority AIDS Initiative: Consolidation of Fragmented HIV/AIDS Funding Could Reduce Administrative Challenges
A letter report issued by the Government Accountability Office with an abstract that begins "Minority AIDS Initiative (MAI) grantees reported providing services similar to the medical services, support services, and HIV testing and prevention services provided with core HIV/AIDS funding, which is provided by the Health Resources and Services Administration (HRSA) and the Centers for Disease Control and Prevention (CDC) to grantees. In addition, MAI grantees faced administrative challenges managing HIV/AIDS funding that was fragmented across several grants. Various agencies within the Department of Health and Human Services (HHS) awarded MAI grants to grantees. The agencies included CDC, HRSA, the Substance Abuse and Mental Health Services Administration, and seven other offices within HHS. The MAI grantees in GAO's sample reported providing mostly support services with their MAI grants, similar to the types of support services grantees provided with core HIV/AIDS funding from CDC and HRSA. These support services included community outreach and education, and staff or provider training. Twenty percent of the grantees also reported providing medical services to their clients. According to the limited data HHS agencies and offices maintain on the demographics of the population served with MAI grants, the majority of recipients of MAI services were from …
Date:
November 22, 2013
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
National Transportation Safety Board: Progress Made, Yet Management Practices, Investigation Priorities, and Training Center Use Should Be Improved
A letter report issued by the Government Accountability Office with an abstract that begins "The National Transportation Safety Board (NTSB) plays a vital role in advancing transportation safety by investigating accidents, determining their causes, and issuing safety recommendations. To support its mission, NTSB's training center, which opened in 2003, provides training to NTSB investigators and others. It is important that NTSB use its resources efficiently to carry out its mission. GAO was asked to examine the extent to which NTSB follows leading management practices, how NTSB carries out its transportation safety function, and the extent to which NTSB's training center is cost-effective, including potential options for improving the center's cost-effectiveness. GAO reviewed NTSB documents and data concerning management practices and accident investigations, interviewed relevant NTSB and other federal officials, and evaluated NTSB's management practices based on leading practices identified in prior work."
Date:
November 22, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
User Fees: Additional Guidance and Documentation Could Further Strengthen IRS's Biennial Review of Fees
A letter report issued by the Government Accountability Office with an abstract that begins "The President's fiscal year 2012 budget proposal requests $13.6 billion to fund the Internal Revenue Service (IRS), including $204 million in spending funded through user fee collections. Well-designed and well-implemented user fees can reduce taxpayer burden by funding portions of IRS services that provide special benefits to users beyond what is normally provided to the public. As such, GAO was asked to (1) describe the types and amounts of IRS user fees and how IRS collects and uses them, (2) assess how IRS sets and reviews existing user fees, and (3) assess how IRS identifies additional areas where new fees could be justified. GAO reviewed relevant laws, guidance, and literature on user fee design and implementation. GAO reviewed IRS documents and cost estimates and interviewed IRS officials in the Chief Financial Officer's (CFO) office and program divisions."
Date:
November 22, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Military Readiness: Navy's Fleet Response Plan Would Benefit from a Comprehensive Management Approach and Rigorous Testing
A letter report issued by the Government Accountability Office with an abstract that begins "The Navy has been transforming itself to better meet 21st century needs. Since 2000, the Congress has appropriated about $50 billion annually for the Navy to operate and maintain its forces and support around 376,000 military personnel. In recognizing that the Navy faces affordability issues in sustaining readiness within its historical share of the defense budget, the Chief of Naval Operations announced a concept called the Fleet Response Plan to enhance its deployment readiness status. The Fleet Response Plan is designed to more rapidly prepare and sustain readiness in ships and squadrons. GAO evaluated the extent to which the Navy has (1) employed a sound management approach in implementing the Fleet Response Plan and (2) tested and evaluated the effectiveness of the plan and shared results to improve implementation."
Date:
November 22, 2005
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Future Years Defense Program: Funding Increase and Planned Savings in Fiscal Year 2000 Program Are at Risk
A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on the Department of Defense's (DOD) Future Years Defense Program (FYDP) for fiscal year 2000, focusing on the: (1) major changes and adjustments in the 2000 FYDP as compared to the 1999 FYDP; and (2) risks that the 2000 FYDP faces that may prevent it from being implemented as planned."
Date:
November 22, 1999
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Electronic Government: Selection and Implementation of the Office of Management and Budget's 24 Initiatives
A letter report issued by the General Accounting Office with an abstract that begins "In the President's Management Agenda, a key element for reforming the federal government is the expansion of electronic government (e-government)--that is, the use of technology, particularly the Internet, to enhance access to government information and services. Accordingly, the Office of Management and Budget (OMB) established a task force to select and manage strategic e-government initiatives. GAO was asked to review the completeness of information used for choosing and overseeing these initiatives."
Date:
November 22, 2002
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Information Technology: Justice Plans to Improve Oversight of Agency Projects
A letter report issued by the General Accounting Office with an abstract that begins "To help carry out its mission to protect the public from criminal activity, the Department of Justice invests about $2 billion annually in information technology (IT). In particular, the Immigration and Naturalization Service (INS), a Justice agency, invested about $459 million in IT in fiscal year 2002. GAO was asked to determine, for key INS IT system investments, whether Justice's oversight has been effective, ensuring that these systems deliver promised capabilities and benefits on time and within budget."
Date:
November 22, 2002
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Workplace Safety and Health: OSHA Can Strengthen Enforcement through Improved Program Management
A letter report issued by the General Accounting Office with an abstract that begins "The United States has made great progress in improving working conditions since the construction of the Empire State Building. Yet, since the early 1990s, over 50,000 workers have died from work-related accidents and millions experience work-related injuries or illnesses each year. The Occupational Safety and Health Administration (OSHA) is the primary federal agency responsible for protecting workplace safety and health. GAO was asked to assess how well OSHA was able to target its enforcement resources on hazardous worksites, measure its accomplishments, and ensure inspection staff quality."
Date:
November 22, 2002
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library