NQR-NMR studies of higher alcohol synthesis Cu-Co catalysts (open access)

NQR-NMR studies of higher alcohol synthesis Cu-Co catalysts

Copper and cobalt are the key elements in syngas conversion catalyst systems used for higher alcohol synthesis. Their proximity and synergy sensitively control the selectivity and efficiency of the process. It is believed that their outer electronic charge distribution which is responsible for their electrical and magnetic properties might be governing their catalytic properties also. To examine the correlation between catalytic and magnetic properties, a series of copper cobalt catalysts (Co/Cu ratio 5:1 to 5:5) with and without a support were prepared. The nuclear quadrupole resonance spectrum of copper and (zero-field) nuclear magnetic resonance spectrum of cobalt and magnetization and hysteresis character of the catalyst were analyzed. Similar to the catalytic results, the magnetic results also were found to be very sensitive to the preparation technique. The results indicate possible electron exchange between copper and cobalt, and cobalt and the support Titania.
Date: January 14, 1991
Creator: unknown
Object Type: Report
System: The UNT Digital Library
A sendmail. cf scheme for a large network (open access)

A sendmail. cf scheme for a large network

Like most large networked sites our users depend heavily on the electronic mail system for both internal and off-site communications. Unfortunately the sendmail.cf file, which is used to control the behavior of the sendmail program, is somewhat cryptic and difficult to decipher for the neophyte. So, on one hand you have a highly visible, frequently used utility, and on the other hand a not-so-easily acquired system administration forte. Here is the sendmail topology of our site, what premises we based it on, and the parts of the sendmail.cf files which support the topology.
Date: August 14, 1991
Creator: Darmohray, T.M.
Object Type: Article
System: The UNT Digital Library
NQR-NMR studies of higher alcohol synthesis Cu-Co catalysts (open access)

NQR-NMR studies of higher alcohol synthesis Cu-Co catalysts

The primary objective of the project is to examine the relations between the catalytic and magnetic properties of the copper-cobalt higher alcohol synthesis catalysts. We have undertaken to investigate the magnetic character by studying the Nuclear Quadrupole resonance of copper and (Zerofield) Nuclear Magnetic Resonance of cobalt in copper cobalt catalysts.
Date: January 14, 1992
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Molecular biological enhancement of coal biodesulfurization. [Rhodococcus, thiobacillus] (open access)

Molecular biological enhancement of coal biodesulfurization. [Rhodococcus, thiobacillus]

The objective of this project is to produce one or more microorganisms capable of removing the organic and inorganic sulfur in coal. The original specific technical objectives of the project were to: clone and characterize the genes encoding the enzymes of the 4S'' pathway (sulfoxide/sulfone/sulfonate/sulfate) for release of organic sulfur from coal; return multiple copies of genes to the original host to enhance the biodesulfurization activity of that organism; transfer this pathway into a fast-growing chemolithotropic bacterium; conduct a batch-mode optimization/analysis of scale-up variables.
Date: June 14, 1990
Creator: Litchfield, J. H.; Fry, I.; Wyza, R. E.; Palmer, D. T.; Zupancic, T. J. & Conkle, H. N.
Object Type: Report
System: The UNT Digital Library
Additional information for impact response of the restart safety rods (open access)

Additional information for impact response of the restart safety rods

WSRC-RP-91-677 studied the structural response of the safety rods under the conditions of brake failure and accidental release. It was concluded that the maximum impact loading to the safety rod is 6020 pounds based on conservative considerations that energy dissipation attributable to fluid resistance and reactor superstructure flexibility. The staffers of the Defense Nuclear Facility Safety Board reviewed the results and inquired about the extent of conservatism. By request of the RESTART team, I reassessed the impact force due to these conservative assumptions. This memorandum reports these assessments.
Date: October 14, 1991
Creator: Yau, W. W. F.
Object Type: Report
System: The UNT Digital Library
Monolithic solid oxide fuel cell technology advancement for coal-based power generation (open access)

Monolithic solid oxide fuel cell technology advancement for coal-based power generation

The program is conducted by a team consisting of AiResearch Los Angeles Division of Allied-Signal Aerospace Company and Argonne National Laboratory (ANL). The objective of the program is to advance materials and fabrication methodologies to develop a monolithic solid oxide fuel cell (MSOFC) system capable of meeting performance, life, and cost goals for coal-based power generation. The program focuses on materials research and development, fabrication process development, cell/stack performance testing and characterization, cost and system analysis, and quality development.
Date: April 14, 1992
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Inherently safe nuclear-driven internal combustion engines (open access)

Inherently safe nuclear-driven internal combustion engines

A family of nuclear driven engines is described in which nuclear energy released by fissioning of uranium or plutonium in a prompt critical assembly is used to heat a working gas. Engine performance is modeled using a code that calculates hydrodynamics, fission energy production, and neutron transport self-consistently. Results are given demonstrating a large negative temperature coefficient that produces self-shutoff of energy production. Reduced fission product inventory and the self-shutoff provide inherent nuclear safety. It is expected that nuclear engine reactor units could be scaled from 100 MW on up. 7 refs., 3 figs.
Date: June 14, 1991
Creator: Alesso, P.; Chow, Tze-Show; Condit, R.; Heidrich, J.; Pettibone, J. & Streit, R.
Object Type: Article
System: The UNT Digital Library
Combustion of dense streams of coal particles (open access)

Combustion of dense streams of coal particles

Research on coal combustion continued. Activities during November 29, 1991 to February 28, 1992 includes: Further analytical results on char array combustion and internal ignition of porous char; preliminary runs using a flat flame burner have been made and a blue flat flame has been obtained; a CID camera, EPIX frame grabber and software, Sony monitor and a 486 Computer to handle image processing frame by frame have been acquired; a new coal feeder has been constructed for feeding through the flat flame burner. Coal experiments have not yet been conducted. Coal samples from Penn State Coal Bank were also acquired for use in the experiments. They include bituminous and subbituminous coals of differing VM.
Date: April 14, 1992
Creator: Annamalai, K.
Object Type: Report
System: The UNT Digital Library
Nuclear thermal rocket clustering: 1, A summary of previous work and relevant issues (open access)

Nuclear thermal rocket clustering: 1, A summary of previous work and relevant issues

A general review of the technical merits of nuclear thermal rocket clustering is presented. A summary of previous analyses performed during the Rover program is presented and used to assess clustering in the context of projected Space Exploration Initiative missions. A number of technical issues are discussed including cluster reliability, engine-out operation, neutronic coupling, shutdown core power generation, shutdown reactivity requirements, reactor kinetics, and radiation shielding. 7 refs., 3 figs., 2 tabs.
Date: July 14, 1991
Creator: Buksa, J.J. & Houts, M.G.
Object Type: Article
System: The UNT Digital Library
Instrumentation of dynamic gas pulse loading system (open access)

Instrumentation of dynamic gas pulse loading system

The overall goal of this work is to further develop and field test a system of stimulating oil and gas wells, which increases the effective radius of the well bore so that more oil can flow into it, by recording pressure during the gas generation phase in real time so that fractures can be induced more predictably in the producing formation. Task 1: Complete the laboratory studies currently underway with the prototype model of the instrumentation currently being studied. Task 2: Perform field tests of the model in the Taft/Bakersfield area, utilizing operations closest to the engineers working on the project, and optimize the unit for various conditions encountered there. Task 3: Perform field test of the model in DGPL jobs which are scheduled in the mid-continent area, and optimize the unit for downhole conditions encountered there. Task 4: Analyze and summarize the results achieved during the complete test series, documenting the steps for usage of downhole instrumentation in the field, and compile data specifying use of the technology by others. Task 5: Prepare final report for DOE, and include also a report on the field tests completed. Describe and estimate the probability of the technology being commercialized and in …
Date: April 14, 1992
Creator: Mohaupt, H.
Object Type: Report
System: The UNT Digital Library
Rapid regulatory control of plant cell expansion and wall relaxation (open access)

Rapid regulatory control of plant cell expansion and wall relaxation

The aim of this project is to elucidate the biophysical and cellular mechanisms that control plant cell expansion. At present we are attempting to characterize the kinetics of the system(s) responsible for regulatory and compensatory behavior of growing cells and tissues. This work is significantly because it indicates that biochemical loosening and biophysical stress relaxation of the wall are part of a feedback loop controlling growth. This report briefly summarizes the efforts and results of the past 12 months. In large part, we have been trying to analyze the nature of growth rate noise,'' i.e. spontaneous and often erratic variations in growth rate. We are obtaining evidence that such noise'' is not random, but rather reveals an underlying growth mechanism with complex dynamics.
Date: August 14, 1991
Creator: Cosgrove, D.J.
Object Type: Report
System: The UNT Digital Library
NQR-NMR studies of higher alcohol synthesis Cu-Co catalysts (open access)

NQR-NMR studies of higher alcohol synthesis Cu-Co catalysts

The primary objective of the project is to investigate the magnetic nature of the higher alcohol synthesis catalyst-Cu/Co supported on specific supports: chromia and titania with and without an alkali metal promoter, and examine the relations between catalytic and magnetic properties.
Date: September 14, 1990
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Emergency and State and Local Law Enforcement Systems: Committee Questions Concerning Year 2000 Challenges (open access)

Emergency and State and Local Law Enforcement Systems: Committee Questions Concerning Year 2000 Challenges

Correspondence issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on the challenges facing emergency services and state and local law enforcement systems in addressing the year 2000 computing problem. This report responds to congressional questions regarding GAO's April 29, 1999, testimony on the year 2000 readiness status of the nation's law enforcement systems."
Date: July 14, 1999
Creator: United States. General Accounting Office.
Object Type: Text
System: The UNT Digital Library
Climate Change: Observations on EPA's April 1999 Climate Change Report (open access)

Climate Change: Observations on EPA's April 1999 Climate Change Report

Correspondence issued by the General Accounting Office with an abstract that begins "Pursuant to a legislative requirement, GAO reviewed the Environmental Protection Agency's (EPA) Climate Change Report, which was submitted to the Senate Committee on Appropriations in April 1999, focusing on the extent to which it: (1) provides a comprehensive explanation of the agency's climate change programs for fiscal year (FY) 2000; (2) justifies requested increases in funding for that fiscal year; (3) explains how the climate change activities are justified independently of the Kyoto Protocol; and (4) includes performance measures and goals and similar elements, as would be required by the Government Performance and Results Act."
Date: July 14, 1999
Creator: United States. General Accounting Office.
Object Type: Text
System: The UNT Digital Library
Medicare: Improprieties by Contractors Compromised Medicare Program Integrity (open access)

Medicare: Improprieties by Contractors Compromised Medicare Program Integrity

A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO determined whether Medicare contractors participated in any improper or questionable practices that contributed to fraud, waste, or abuse in the Medicare federal health insurance program, focusing on: (1) recently completed cases of criminal conduct or False Claims Act violations committed by Medicare contractors; (2) the deceptive contractor activities set forth in those cases or alleged by investigating agents and former contractor employees; and (3) how these activities were carried out without detection by the Health Care Financing Administration (HCFA)."
Date: July 14, 1999
Creator: United States. General Accounting Office.
Object Type: Report
System: The UNT Digital Library
DOD Animal Research: Improvements Needed in Quality of Biomedical Research Database (open access)

DOD Animal Research: Improvements Needed in Quality of Biomedical Research Database

A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO examined several issues related to the Department of Defense's (DOD) administration of its animal research programs, focusing on: (1) the extent to which DOD's research using animals addresses validated military objectives, does not unnecessarily duplicate work done elsewhere, and incorporates methods to reduce, replace, and refine the use of animals; and (2) problems with the accuracy of information in the Biomedical Research Database (BRD)."
Date: December 14, 1998
Creator: United States. General Accounting Office.
Object Type: Report
System: The UNT Digital Library
Safe Drinking Water Act: Progress and Future Challenges in Implementing the 1996 Amendments (open access)

Safe Drinking Water Act: Progress and Future Challenges in Implementing the 1996 Amendments

A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on the: (1) status of efforts and progress made by the Environmental Protection Agency (EPA) and the states in addressing the Safe Drinking Water Act Amendments of 1996; and (2) future challenges facing EPA and the states in their efforts to do so."
Date: January 14, 1999
Creator: United States. General Accounting Office.
Object Type: Report
System: The UNT Digital Library
Drug Control: ONDCP Efforts to Manage the National Drug Control Budget (open access)

Drug Control: ONDCP Efforts to Manage the National Drug Control Budget

A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO reviewed the role of the Office of National Drug Control Policy (ONDCP) in shaping the national drug control budget that the President ultimately proposes to Congress to implement the National Drug Control Strategy, focusing on: (1) whether the process ONDCP followed to certify federal agencies' drug control budgets for fiscal year (FY) 1999 was consistent with statutory requirements; and (2) the system ONDCP has developed to assess the extent to which drug control agencies and programs achieve intended results."
Date: May 14, 1999
Creator: United States. General Accounting Office.
Object Type: Report
System: The UNT Digital Library
Defense Acquisitions: Evaluation of the Navy's 1999 Naval Surface Fire Support Assessment (open access)

Defense Acquisitions: Evaluation of the Navy's 1999 Naval Surface Fire Support Assessment

A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a legislative requirement, GAO provided an analysis of the Navy's assessment of the short-term and long-term costs associated with alternative methods for executing the naval surface fire support mission, including the alternative of reactivating two battleships."
Date: September 14, 1999
Creator: United States. General Accounting Office.
Object Type: Report
System: The UNT Digital Library
Department of Energy: Fiscal Year 1998 Obligations for Fossil Energy Programs (open access)

Department of Energy: Fiscal Year 1998 Obligations for Fossil Energy Programs

Correspondence issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO compared the actual fiscal year (FY) 1998 obligations for the Department of Energy's (DOE) Fossil Energy Research and Development (R&D) Program and the Clean Coal Technology Demonstration Program with the estimated obligations that were previously reported."
Date: September 14, 1999
Creator: United States. General Accounting Office.
Object Type: Text
System: The UNT Digital Library
International Trade: Improvements Needed to Track and Archive Trade Agreements (open access)

International Trade: Improvements Needed to Track and Archive Trade Agreements

A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on improvements needed to track and archive trade agreements, focusing on: (1) the number of trade agreements the United States is party to; (2) the way in which the executive branch notifies Congress when trade agreements are entered into; and (3) the extent to which the public has ready access to information from government sources about trade agreements."
Date: December 14, 1999
Creator: United States. General Accounting Office.
Object Type: Report
System: The UNT Digital Library
Gender Issues: Trends in the Occupational Distribution of Military Women (open access)

Gender Issues: Trends in the Occupational Distribution of Military Women

A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on the trends in the occupational distribution of military women, focusing on: (1) all occupations women were in during fiscal years 1990 and 1998, particularly those with the highest percentage of women; and (2) systemic barriers, if any, that limit women entering certain occupations."
Date: September 14, 1999
Creator: United States. General Accounting Office.
Object Type: Report
System: The UNT Digital Library
USDA T&A System Controls: Recording Deviations From Preapproved Work Schedules (open access)

USDA T&A System Controls: Recording Deviations From Preapproved Work Schedules

Correspondence issued by the General Accounting Office with an abstract that begins "GAO provided information on the internal control requirements in Title 6, "Pay, Leave, and Allowances," of GAO's Policy and Procedures Manual for Guidance of Federal Agencies, as they relate to the Department of Agriculture's Marketing and Regulatory Programs' staff time and attendance (T&A) records, focusing on: (1) if employees are required to sign for their arrival/departure time when recording deviations from their preapproved declared schedule; and (2) in lieu of signing in/out times for deviations to the preapproved work schedule, whether employees could use electronic mail (e-mail) or phone in their actual pay period schedule."
Date: September 14, 1999
Creator: United States. General Accounting Office.
Object Type: Text
System: The UNT Digital Library
Veterans' Health Care: Fiscal Year 2000 Budget (open access)

Veterans' Health Care: Fiscal Year 2000 Budget

Correspondence issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on the Veterans Health Administration's (VHA) plans to spend an additional $900 million requested for veterans' medical care and the likelihood of VHA's achieving its proposed management efficiency savings."
Date: September 14, 1999
Creator: United States. General Accounting Office.
Object Type: Text
System: The UNT Digital Library