494 Matching Results

Search Results

Results: 1 - 24 next
open access

Exploring novel silicon-containing polymers---From preceramic polymers to conducting polymers with nonlinear optical properties

Description: Several new types of silicon-containing preceramic polymers, i.e., poly(diorganosilacetylene) and poly(diorganosilvinylene) have been synthesized with molecular weights from 10,000 to 120,000. These polymers could be thermally converted to SiC with a moderate to high char yields. Ready solubility and good processability made these types of polymers attractive in their applications to ceramics. The thermal polymerization of diethynyldiphenyl-silane, which was reported in 1968 to afford poly(diph… more
Date: October 7, 1991
Creator: Pang, Yi.
Partner: UNT Libraries Government Documents Department
open access

A miniature inexpensive, oxygen sensing element

Description: An exhaustive study was conducted to determine the feasibility of Nernst-type oxygen sensors based on ceramics containing Bi{sub 2}O{sub 3}. The basic sensor design consisted of a ceramic sensing module sealed into a metal tube. The module accommodated an internal heater and thermocouple. Thermal-expansion-matched metals, adhesives, and seals were researched and developed, consistent with sequential firings during sensor assembly. Significant effort was devoted to heater design/testing and to m… more
Date: October 7, 1991
Creator: Arenz, R. W.
Partner: UNT Libraries Government Documents Department
open access

Acceleration using total internal reflection

Description: This report considers the use of a dielectric slab undergoing total internal reflection as an accelerating structure for charged particle beams. We examine the functional dependence of the electromagnetic fields above the surface of the dielectric for polarized incident waves. We present an experimental arrangement for testing the performance of the method, using apparatus under construction for the Grating Acceleration experiment at Brookhaven National Laboratory. 13 refs., 4 figs., 2 tabs.
Date: June 7, 1991
Creator: Fernow, R.C.
Partner: UNT Libraries Government Documents Department
open access

Clean gasoline reforming with superacid catalysts

Description: Tasks reported on this term include optimization of chlorided Pt- alumina catalysts, testing of the optimum Pt/Cl alumina catalysts, preparation and testing of zirconia superacid catalyst. (VC)
Date: May 7, 1992
Creator: Davis, B. H.
Partner: UNT Libraries Government Documents Department
open access

Gaseous phase coal surface modification

Description: In this report, we present an improved, feasible and potentially cost effective method of cleaning and beneficiating ultrafine coal. Increased mechanization of mining methods and the need towards depyritization, and demineralization have led to an increase in the quantity of coal fines generated in recent times. For example, the amount of {minus}100 mesh coal occurring in coal preparation plant feeds now typically varies from 5 to 25% of the total feed. Environmental constraints coupled with th… more
Date: May 7, 1992
Creator: Okoh, J.M.; Pinion, J. & Thiensatit, S.
Partner: UNT Libraries Government Documents Department
open access

Liquid chromatographic analysis of coal surface properties

Description: The main objectives of this proposed research work are to refine further the inverse liquid chromatography technique for the study of surface properties of raw coals, treated coals and coal minerals in water, to evaluate relatively surface properties of raw coals, treated coals and coal minerals by inverse liquid chromatography, and to evaluate flotability of various treated coals in conjunction with surface properties of coals. Coals such as Pittsburgh seam coal, Illinois No. 6 coal, Wyodak co… more
Date: April 7, 1992
Creator: Kwon, K.C.
Partner: UNT Libraries Government Documents Department
open access

Department of Energy Workforce Reduction: Community Assistance Can Be Better Targeted

Description: A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a legislative requirement, GAO reviewed the Department of Energy's (DOE) community assistance program for minimizing the impact of downsizing its contractor workforce, focusing on: (1) how much funding DOE had committed to spend and spent in support of its worker and community assistance program for fiscal years (FY) 1994 through 1998; (2) who received benefits during FY 1997 and FY 1998; (3) compa… more
Date: May 7, 1999
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

Combating Terrorism: Need for Comprehensive Threat and Risk Assessments of Chemical and Biological Attacks

Description: A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a legislative requirement, GAO reviewed the scientific and practical aspects of a terrorist carrying out large-scale chemical or biological attacks on U.S. soil, focusing on the: (1) technical ease or difficulty for terrorists to acquire, process, improvise, and disseminate certain chemical and biological agents; and (2) extent to which the U.S. government has assessed the threats and risks posed b… more
Date: September 7, 1999
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

Mental Health: Improper Restraint or Seclusion Use Places People at Risk

Description: A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on inpatient and residential treatment facilities' use of restraints or seclusion as a means of treating mental patients, focusing on the: (1) dangers of restraint and seclusion, the extent to which restraint and seclusion are used in inpatient and residential treatment facilities for individuals with mental illness or mental retardation, and the nu… more
Date: September 7, 1999
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

Crime Technology: Federal Assistance to State and Local Law Enforcement

Description: A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO reviewed the crime technology assistance provided by the federal government to state and local law enforcement agencies for fiscal years 1996 through 1998, focusing on the types and amounts of assistance provided by the Department of Justice (DOJ), the Department of the Treasury, and the Office of National Drug Control Policy (ONDCP)."
Date: June 7, 1999
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

Agriculture In Transition: Farmers' Use of Risk Management Strategies

Description: A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO reviewed the Department of Agriculture's (USDA) efforts to educate farmers about risk management, focusing on: (1) the extent of farmers' use of risk management tools; and (2) educational programs and projects USDA has directed or initiated to prepare farmers for managing risks and determining the groups or individuals who have participated in or been served by these pr… more
Date: April 7, 1999
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

General Services Administration: Information on Pricing Retail Packaging Products

Description: A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a legislative requirement, GAO examined the General Services Administration's (GSA) retail packaging products program, focusing on whether: (1) GSA is required by law to set its prices for retail packaging products at levels sufficient to ensure that all selling costs are recovered on each item; and (2) GSA's selling prices for these items do recover all costs."
Date: July 7, 1999
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

National Laboratories: DOE Needs to Assess the Impact of Using Performance-Based Contracts

Description: A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO reviewed the Department of Energy's (DOE) progress in implementing performance-based contracting at its national laboratories, focusing on: (1) the status of performance-based contracting in DOE's national laboratory contracts; and (2) DOE's efforts to determine the impact of performance-based contracting."
Date: May 7, 1999
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

Results Act: Observations on the Department of Transportation's Fiscal Year 2000 Performance Plan

Description: 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 Transportation's (DOT) performance plan for fiscal year (FY) 2000, focusing on: (1) the usefulness of DOT's plan in providing a clear picture of intended performance across the Department; (2) the strategies and resources that DOT will use to achieve its goals; and (3) whether DOT's performance information will be credible."
Date: May 7, 1999
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

Results Act: Observations on the U.S. Department of Agriculture's Fiscal Year 2000 Performance Plan

Description: A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO reviewed the Department of Agriculture's (USDA) performance plan for fiscal year (FY) 2000, focusing on the extent to which the plan: (1) provides a clear picture of intended performance across the Department; (2) discusses the strategies and resources USDA will use to achieve its goals; and (3) provides confidence that the performance information will be credible."
Date: June 7, 1999
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

Military Infrastructure: Real Property Management Needs Improvement

Description: A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO reviewed the Department of Defense's (DOD) management of the maintenance of its real properties, focusing on: (1) how the services determine and prioritize maintenance and repair requirements and how they allocate resources to meet their needs; (2) promising practices in facility management that the services could consider; and (3) barriers to implementing promising pra… more
Date: September 7, 1999
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

General Aviation Airports: Unauthorized Land Use Highlights Need for Improved Oversight and Enforcement

Description: A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a legislative requirement, GAO provided information on: (1) the Federal Aviation Administration's (FAA) monitoring of general aviation airports' compliance with federal land-use requirements; and (2) FAA's use of enforcement tools to resolve cases of noncompliance."
Date: May 7, 1999
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

Clean Coal Technology III (CCT III) 10 MW demonstration of gas suspension absorption

Description: The Gas Suspension Absorber (GSA) system brings coal combustion gases into contact with a suspended mixture of solids, including sulfur-absorbing lime. After the lime absorbs the sulfur pollutants, the solids are separated from the gases in a cyclone device and recirculated back into the system where they capture additional sulfur pollutant. The cleaned flue gases are sent through a dust collector before being released into the atmosphere. The key to the system's superior economic performance w… more
Date: February 7, 1992
Partner: UNT Libraries Government Documents Department
open access

Enhancing the use of coals by gas reburning-sorbent injection

Description: Clean Coal Technology implies the use of coal in an environmentally acceptable manner. Coal combustion results in the emission of two types of acid rain precursors: oxides of sulfur (SO{sub x}) and oxides of nitrogen (NO{sub x}). This Clean Coal Technology project will demonstrate a combination of two developed technologies to reduce both NO{sub x} and SO{sub x} emissions: gas reburning and calcium based dry sorbent injection. The demonstrations will be conducted on two pre-NSPS utility boilers… more
Date: February 7, 1992
Partner: UNT Libraries Government Documents Department
open access

Cloning and expression of the sulfoxide/sulfone/sulfonate/sulfate genes in Pseudomonads and Thiobacillae. [Pseudomonas, Thiobacillus, Rhodococcus]

Description: The original conception of the work was that genetic determinants of the sulfoxide/sulfone/sulfonate/sulfate ( 4S'') pathway in Pseudomonas spp. would be cloned in vivo and then transferred to Thiobacillus spp. This ambition remains an appealing prospect; however, fulfilling that ambition has been confounded by an instability observed in the DbtS{sup +} phenotype in Pseudomonas spp. But the persisting interest in the phenotype has lead to isolation of fresh strains which have a DbtS{sup +} phen… more
Date: February 7, 1992
Creator: Krawiec, S.
Partner: UNT Libraries Government Documents Department
open access

The Savannah River Site's Groundwater Monitoring Program, second quarter 1990

Description: The Environmental Protection Department/Environmental Monitoring Section (EPD/EMS) administers the Savannah River Site's (SRS) Groundwater Monitoring Program. During second quarter 1990 (April through June) EPD/EMS conducted routine sampling of monitoring wells and drinking water locations. EPD/EMS established two sets of flagging criteria in 1986 to assist in the management of sample results. The flagging criteria aid personnel in sample scheduling, interpretation of data, and trend identifica… more
Date: February 7, 1991
Partner: UNT Libraries Government Documents Department
open access

Military Retirement and Veterans' Compensation: Concurrent Receipt Issues

Description: This report describes the history and background of the offset and the legislative history of recent attempts to eliminate or reduce the offset. It delineates and analyzes the arguments for and against eliminating or reducing the offset and allowing concurrent receipt, and addresses the issues of costs, precedents in other Federal programs, purposes of the two programs, and equity issues. Finally, options other than full concurrent receipt are mentioned.
Date: April 7, 1995
Creator: Goldich, Robert L.
Partner: UNT Libraries Government Documents Department
open access

The Endangered Species Act and Private Property

Description: If the 103rd Congress embarks upon an effort to reauthorize the Endangered Species Act (ESA), it will run into an old acquaintance: the property rights issue. As now written, the ESA has at least the potential to curtail property rights (whatever its actual impact as implemented may be). This report explores the legal repercussions of those impacts, especially whether they constitute takings of property under the fifth amendment of the U.S. Constitution.
Date: March 7, 1993
Creator: Meltz, Robert
Partner: UNT Libraries Government Documents Department
Back to Top of Screen