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THE EXPERIMENTAL DESIGN FOR BeO IRAADIATION EXPERIMENTS ORNL 41-8 AND ORNL 41-9
The experimental plan for irradiating BeO pellets in Experiments ORNL 41- 8 and ORNL 41-9 was chosen in accordance with the principles of experimental design. The design is known by statisticians as a 2/sup 5/ factorial experiment confound'' in six replications. Five variables---size, density, grain size, temperature and time--are controlled at two levels to form the basic 2i factorial experiment. The sixth variable, neutron flux, is introduced by confounding on higher-order interactions. An explanation is presented in nontechnical language the means by which the aims of the experimenters and the physical conditions affecting the experiment were utilized in constructing the experimental design. (auth)
Date:
July 18, 1962
Creator:
Gardiner, D.A.
Object Type:
Report
System:
The UNT Digital Library
Proceedings of the 1977 Isabelle Summer Workshop. [Seventy-four papers]
A report is given of the activities of the 1977 ISABELLE Summer Workshop, held from July 18 to 29, 1977 at the Brookhaven National Laboratory. An abstract was prepared for each of the seventy-four separate presentations for inclusion in DOE Energy Research Abstracts (ERA). (PMA)
Date:
July 18, 1977
Creator:
unknown
Object Type:
Article
System:
The UNT Digital Library
Carbide Cathode Studies, Physical and Chemical Redeposition. Quarterly Progress Report, April 1, 1962-June 30, 1962
The utilization of physical and chemical processes to reduce the rate of vapor loss of thermionic emitters composed of mixed carbides of U and Zr in order to increase the permissible operating temperature is being studied. Preliminary, qualitative results obtained from study of physical redeposition processes showed that increasing the collector temperature may markedly reduce the rate of weight loss from a UC emitter operating at 2053 deg K. The requisite experimental equipment for studies of chemical transport processes was designed and constructed. Experiments will proceed through both a physical chemistry approach to an understanding of the transport processes and a technique to evaluate the efficacy of possible combinations of chemical species by monitoring the electron emission from diodes containing such mixtures. (auth)
Date:
July 18, 1962
Creator:
Weinberg, A. F.; Yang, L. & Langer, S.
Object Type:
Report
System:
The UNT Digital Library
Brillouin scatter in laser-produced plasmas
The absorption of intense laser light is found to be reduced when targets are irradiated by 1.06 ..mu..m light with long pulse widths (150-400 psec) and large focal spots (100-250 ..mu..m). Estimates of Brillouin scatter which account for the finite heat capacity of the underdense plasma predict this reduction. Spectra of the back reflected light show red shifts indicative of Brillouin scattering.
Date:
July 18, 1977
Creator:
Phillion, D.W.; Kruer, W.L. & Rupert, V.C.
Object Type:
Article
System:
The UNT Digital Library
Pu-238 fuel form activities, June 1-30, 1980
This monthly report for Pu-238 Fuel Form Activities has two main sections: SRP-PuFF Pu-238 Fuel Form Production Processes and SRL Pu-238 Fuel Form Research and Development. The program status, budget information, and milestone information are discussed in each main section. The Work Breakdown Structures (WBS) for this program is outlined. Only one monthly report per year is processed for EDB.
Date:
July 18, 1980
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Goals study for technical development and economic evaluation of the compound parabolic concentrator concept for solar energy collector applications
The Argonne National Laboratories, contracted with Arthur D. Little, Inc. (ADL), to perform a 6 week goal study for the purpose of evaluating the technical applicability and the economic viability of the compound parabolic concentrator (CPC) concept for all solar energy applications except large central power plants. During this period, we studied the use of CPC units in a large number of residential, industrial, and commercial applications. The predicted performance of CPC augmented solar collectors was compared with other available solar collectors. Application of the CPC to on-site power generation using solar Rankine power generation techniques was studied in detail. Techniques and costs for fabricating CPC collectors were studied. Collectors with insulation and with full-surface reflectors were studied along with the use of CPC augmentation for evacuated receivers with selective surfaces. Manufacturing costs are compared with those reported by others. A qualitative comparison was made between the various classes of solar collectors that are either presently available or are expected to become available in the near future. Comparative energy costs for various collectors are discussed based upon the predicted performance and the estimated costs for manufacture. The problems of introducing the CPC, or other advanced technology type of solar collectors, …
Date:
July 18, 1975
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
/sup 238/PuO/sub 2//Mo-50 wt% Re compatibility at 800 and 1000/sup 0/C
The compatibility of Mo-50 wt % Re with /sup 238/PuO/sub 2/ was investigated after heat treatments of up to 720 days at 800/sup 0/C and 180 days at 1000/sup 0/C. At 800/sup 0/C, a 1-..mu..m thick, continuous layer of molybdenum oxide resulted. At 1000/sup 0/C, the oxide reaction product contained some plutonium and did not appear continuous. At 1000/sup 0/C, a layer of intermetallic formed at the Mo-Re edge, beneath the oxide layer, creating a barrier between the Mo-50 wt % Re and the /sup 238/PuO/sub 2/. The intermetallic layer was promoted by the iron impurity in the /sup 238/PuO/sub 2/.
Date:
July 18, 1980
Creator:
Schaeffer, D. R. & Teaney, P. E.
Object Type:
Report
System:
The UNT Digital Library
"Life" Tests on Internally Water-Cooled Hollow Copper Conductors
Tests were conducted to determine whether a time limitation exists on the use of internally water-cooled hollow copper conductors operating at densities of up to 330,000 amps/in/sup 2/. Using demineralized water, having a specific resistivity of 4 to 9 x 10/sup 6/ ohm-cm, no indication of a decrease in heat transfer coefficient as a function of time was observed. However, metallographic examination revealed that corrosion--erosion does occur at a slow rate. Using process water there was a time dependent decrease in heat transfer coefficient and a consequent rise in metal temperature. The subsequent use of demineralized water in the same conductor again produced stable heat transfer, over the time spans investigated, 192 hours. The maximum total time investigated was 873 hours for one conductor. (auth)
Date:
July 18, 1962
Creator:
Lewin, J.
Object Type:
Report
System:
The UNT Digital Library
RADIOISOTOPE AND RADIATION APPLICATIONS. Quarterly Progress Report
The study of the formation mechanism of free radicals in polymeric materials was continued. Emphasis was placed on an examination of the effect of structural factors on the efficiency of free-radical site formation in acrylate polymers. Site measurements as a function of dose were made for polymethacrylamide and repeated for polymethacrylic acid. The volatile products from the irradiation of polyacrylic acid. polymethacrylic acid, poly-ter- butylmethacrylate. and polycyclohexyl methacrylate were measured quantitatively by mass spectrometry and vapor-phase chromatography. Grafting studies were initiated using polymethylmethacrylate as base polymer and vinylpyrrolidone as graft monomer. (auth)
Date:
July 18, 1961
Creator:
Sunderman, D.N. ed.
Object Type:
Report
System:
The UNT Digital Library
Earthquakes: Risk, Detection, Warning, and Research
Report that discusses: earthquake hazards and risk in the United States, federal programs that support earthquake monitoring, the U.S. capability to detect earthquakes and issue notifications and warnings, and federally supported research to improve the fundamental scientific understanding of earthquakes with a goal of reducing U.S. vulnerability.
Date:
July 18, 2013
Creator:
Folger, Peter
Object Type:
Report
System:
The UNT Digital Library
The Potential Federal Tax Implications of United States v. Windsor (Striking Section 3 of the Defense of Marriage Act (DOMA)): Selected Issues
This report will provide an overview of the potential federal tax implications for same-sex married couples of the U.S. Supreme Court (SCOTUS) ruling in United States v. Windsor, with a focus on the federal income tax. Estate tax issues are also discussed. Importantly, this report focuses on changes in the interpretation and administration of federal tax law that may result from the SCOTUS decision.
Date:
July 18, 2013
Creator:
Crandall-Hollick, Margot L.; Sherlock, Molly F. & Pettit, Carol A.
Object Type:
Report
System:
The UNT Digital Library
Individual letters from concerned New York citizens to the BRAC Commission.
Community Correspondence - 200 individual letters written by concerned citizens to the BRAC Commission, regarding Niagara Falls International Airport Air Guard Station.
Date:
July 18, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
An Investigation of a "Dynamic" Theory for Mass Transfer
A new theory is proposed to evaluate individual mass-transfer coefficients without actual experiment.
Date:
July 18, 1960
Creator:
Schappel, Richard B.
Object Type:
Report
System:
The UNT Digital Library
Tactical employment : tank destroyer unit.
"This manual is a guide to the tactical employment of tank destroyer units both self-propelled and towed." (Page 1.)
Date:
July 18, 1944
Creator:
United States. War Department.
Object Type:
Book
System:
The UNT Digital Library
Government Transparency: Efforts to Improve Information on Federal Spending
Testimony issued by the Government Accountability Office with an abstract that begins "The Office of Management and Budget (OMB) and other federal agencies have taken steps to improve federal spending data available on USAspending.gov. This effort to publicly display comprehensive data arose from the federal Funding Accountability and Transparency Act of 2006, which required OMB to establish a free, publicly accessible website containing data on federal awards and subawards. OMB launched USAspending.gov in December 2007 to meet these requirements. As GAO reported in 2010, while OMB had satisfied most of the requirements associated with the act, such as establishing the site with required data elements and search capability, it had only partially satisfied the requirement to establish a pilot program to test the collection and display of subaward data and had not met the requirements to include subaward data by January 2009, or to report to Congress on the sites usage. Also, GAO found that from a sample of 100 awards on USAspending.gov, each award had at least one data error and that USAspending.gov did not include information on grants from programs at 9 agencies for fiscal year 2008. Subsequently, OMB and agencies have taken steps to improve the site …
Date:
July 18, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
U.S. Postal Service: Proposed Health Plan Could Improve Financial Condition, but Impact on Medicare and Other Issues Should Be Weighed before Approval
A letter report issued by the Government Accountability Office with an abstract that begins "The U.S. Postal Service (USPS) would likely realize large financial gains from its proposed health care plan, primarily by increasing retirees use of Medicare. Specifically, USPS estimates that its plan would reduce its retiree health benefit liability by $54.6 billion, thereby eliminating its unfunded retiree health benefit liability. The plan would also reduce USPSs required total annual health care payments by an estimated $7.8 billion in the first year of implementation and by $33.2 billion over the first 5 years of implementation. USPS also projects that relative to the total annual health care payments it would expect to make (reflecting its stated inability to make prefunding payments to fund retiree health benefits), its new plan would reduce its payments by $2.1 billion in the first year of implementation and $12.4 billion over 5 years. USPS also projects that its plan would increase the more than $550 billion that the federal government spends annually for Medicare by $1.0 billion in the first year and an average of about $1.3 billion annually in the first 5 years of its health planabout 0.2 percent of Medicares annual costs. GAO …
Date:
July 18, 2013
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Tax Compliance: Better Compliance Data and Long-term Goals Would Support a More Strategic IRS Approach to Reducing the Tax Gap
A letter report issued by the Government Accountability Office with an abstract that begins "According to the Internal Revenue Service (IRS), a gap arises each year between what taxpayers pay accurately and on time in taxes and what they should pay under the law. The tax gap is composed of underreporting of tax liabilities on tax returns, underpaying of taxes due from filed returns, and nonfiling of required tax returns altogether or on time. GAO was asked to provide information on (1) the estimated amount that each major type of noncompliance contributed to the 2001 tax gap and IRS's views on the certainty of its tax gap estimates, (2) reasons why noncompliance occurs, and (3) IRS's approach to reducing the tax gap and whether the approach incorporates established results-oriented planning principles."
Date:
July 18, 2005
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
General Aviation Security: Weaknesses Exist in TSA's Process for Ensuring Foreign Flight Students Do Not Pose a Security Threat
A letter report issued by the Government Accountability Office with an abstract that begins "The Transportation Security Administration (TSA) and aircraft operators have taken several important actions to enhance general aviation security, and TSA is gathering input from operators to develop additional requirements. For example, TSA requires that certain general aviation aircraft operators implement security programs. Aircraft operators under these programs must, among other things, develop and maintain TSA-approved security programs. TSA has also conducted outreach to the general aviation community to establish a cooperative relationship with general aviation stakeholders. In 2008, TSA developed a proposed rule that would have imposed security requirements on all aircraft over 12,500 pounds, including large aircraft that Department of Homeland Security (DHS) analysis has shown could cause significant damage in an attack. In response to industry concerns about the proposed rules costs and security benefits, TSA is developing a new proposed rule. Officials from all six industry associations GAO spoke with stated that TSA has reached out to gather industrys input, and three of the six associations stated that TSA has improved its efforts to gather input since the 2008 notice of proposed rulemaking."
Date:
July 18, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Superfund: Funding and Reported Costs of Enforcement and Administration Activities
Correspondence issued by the Government Accountability Office with an abstract that begins "The Environmental Protection Agency (EPA) estimates that one in four Americans lives within 3 miles of a hazardous waste site. To clean up these highly contaminated sites, the Congress established the Superfund program under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) in 1980. EPA, the principal agency responsible for administering the Superfund program, has since identified more than 47,000 hazardous waste sites potentially requiring cleanup actions and has placed some of the most seriously contaminated sites on its National Priorities List (NPL). Through the end of fiscal year 2007, EPA had classified 1,569 sites as NPL sites. Cleanup efforts at NPL sites are typically expensive and can take many years. There are two basic types of cleanup actions: (1) removal actions--generally short-term or emergency cleanups to mitigate threats--and (2) remedial actions--generally long-term cleanup activities. Among other efforts, EPA may respond to and provide technical support for emergency actions, collect and analyze site data, and design and construct remedies, or oversee the work of others. However, the parties responsible for contributing to the contamination of a hazardous waste site are also primarily responsible for conducting or paying …
Date:
July 18, 2008
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Ballistic Missile Defense: Actions Needed to Improve Training Integration and Increase Transparency of Training Resources
A letter report issued by the Government Accountability Office with an abstract that begins "Since 2002, the Department of Defense (DOD) has spent over $80 billion on developing and fielding a Ballistic Missile Defense System (BMDS) comprised of various land-and sea-based elements employed by multiple combatant commands and services. Since the time available to intercept a missile is short, integrating training among all organizations involved is important to connect seams where commands and elements must work together. In response to House Report 111-491 which accompanied H.R. 5136, GAO assessed the extent to which DOD has (1) developed a plan for integrating ballistic missile defense training across and among commands and multiple elements, and identified training roles, responsibilities, and commensurate authorities; and (2) identified and budgeted for the resources to support training. To do so, GAO analyzed DOD training instructions, plans, exercises, and budgets and assessed the extent to which the Missile Defense Agency (MDA) and the services have agreed on training cost estimates and funding responsibilities."
Date:
July 18, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Human Capital: Further Guidance, Assistance, and Coordination Can Improve Federal Telework Efforts
A letter report issued by the General Accounting Office with an abstract that begins "Telework--work done at a location other than a traditional office--has gained widespread attention over the past decade as a human capital flexibility offering various potential benefits to employers, employees, and society. Using such flexibilities as management tools can help the federal government address its human capital challenges. GAO did this study in response to a congressional request to assess the federal government's progress in implementing telework programs and to determine what else can be done to give federal employees the ability to telework under appropriate circumstances."
Date:
July 18, 2003
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Force Structure: Army Is Integrating Active and Reserve Combat Forces, but Challenges Remain
A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a legislative requirement, GAO reviewed the Army's largest ongoing initiatives integrating active and reserve combat units, focusing on the effects of these efforts on the Army's: (1) total costs; (2) force structure; (3) personnel tempo; and (4) risk in carrying out the national military strategy."
Date:
July 18, 2000
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Coast Guard: Civil Rights Directorate Can Enhance Workforce Restructuring Efforts
A letter report issued by the Government Accountability Office with an abstract that begins "The United States Coast Guard's (USCG) Civil Rights Directorate's (CRD) principal functions are to provide Equal Opportunity (EO) services to its approximately 50,000 active duty military, and Equal Employment Opportunity (EEO) services to its 8,000 civilian employees. We reported in April 2010 that CRD had taken action to help resolve its management challenges, such as dissatisfaction among USCG personnel and to improve its civil rights program, primarily guided by recommendations resulting from a 2009 Booz Allen Hamilton (BAH) study that CRD commissioned. Among these recommendations were that CRD centralize its organizational structure and institute a full-time equal employment workforce, which BAH expected would help significantly enhance program components, such as organizational cohesion. According to CRD officials, they implemented these recommendations in July 2009, and at the time of our last review continued to build on the organizational restructuring. In response to BAH recommendations, in July 2009 CRD: (1) Reorganized its field operations to deliver civil rights services by specialists through a centrally managed national structure divided into three national regions headed by regional managers. Regions are further divided into 14 subordinate zones. (2) Staffed the civil …
Date:
July 18, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
General Aviation Security: TSA's Process for Ensuring Foreign Flight Students Do Not Pose a Security Risk Has Weaknesses
Testimony issued by the Government Accountability Office with an abstract that begins "TSA and aircraft operators have taken several important actions to enhance general aviation security, and TSA is working with aviation industry stakeholders to develop new security guidelines and regulations. Among other measures, TSA worked with members of the General Aviation Working Group of its Aviation Security Advisory Committee in 2003 and 2004 to develop recommended guidelines for general aviation airport security, and TSA expects the group to issue updated guidelines later this year. In addition, pursuant to the Aviation and Transportation Security Act, TSA established and oversees implementation of a security program in which aircraft weighing more than 12,500 pounds in scheduled or charter service that carry passengers or cargo or both, and that do not fall under another security program, must implement a Twelve-Five standard security program. Aircraft operators implementing a Twelve-Five security program must include, among other elements, procedures regarding bomb or air piracy threats. TSA obtains information directly from aircraft operators that fall under Twelve-Five through its review and approval of the security programs developed by these operators and through periodic inspections to determine the extent to which operators comply with their security programs. TSA …
Date:
July 18, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library