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276,299 Matching Results

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Sources and Availability of Helium (open access)

Sources and Availability of Helium

A review of helium sources, availability, consumption, and future production capacity indicates that the helium consumed in the operation of 100 helium-cooled reactors for 300-Mwe power plants over a 20-year period will run no more than a few per cent of the helium consumed in the U. S. in the next 25 years and less than 1% of the helium that is to be stored during that period under the helium conservation act of 1960 (Public Law 86-777).
Date: January 19, 1961
Creator: Fraas, A. P.
System: The UNT Digital Library
Xenon and Samarium Poisoning (open access)

Xenon and Samarium Poisoning

The equilibrium and maximum override values for xenon and samarium poisoning have been computed using the recently issued effective cross sections of C. H. Westcott. Values are given as a function of specific power, neutron temperature, and epithermal flux content.
Date: January 23, 1961
Creator: Carlsmith, R. S.
System: The UNT Digital Library
A Useful Solution for Short Cylindrical Shells and Other Applications (open access)

A Useful Solution for Short Cylindrical Shells and Other Applications

The general solution to the basic differential equation d^4w/dy^4 +4w= -4f(y) is transformed from the primary form treated in most texts to an alternate form in which each integration constant corresponds to one edge condition at y=0. The relationships between the integration constants of the two forms are derived and the values for the transformed functions are tabulated. The particular solution is derived in general and given in unique form for various functional forms of f(y). Matrix notation is used throughout the derivations; however, a knowledge of matrix theory is not need for application of the results.
Date: February 14, 1961
Creator: Moore, S. E.
System: The UNT Digital Library
Pressure Vessel Exposure to Fast Neutrons (open access)

Pressure Vessel Exposure to Fast Neutrons

In a gas-cooled reactor operating at very high power density the thickness of the reflector may be determine by the requirement that the steel pressure vessel be protected from an excessive dose of fast neutrons, rather than by the usual requirements of neutron economy and power distribution. It is important the the reflector not be made thicker than necessary, since an increase in pressure vessel diameter can result in a marked increase in cost, as well as a decrease in the permitted gas pressure level.
Date: January 21, 1960
Creator: Carlsmith, R. S.
System: The UNT Digital Library
How to Develop and Write a Grant Proposal (open access)

How to Develop and Write a Grant Proposal

This report is intended for members and staff assisting grant seekers in districts and states and covers writing proposals for both government and private foundation grants.
Date: June 7, 2018
Creator: Gerli, Merete F.
System: The UNT Digital Library
Fuel Cycle Program - A Boiling Water Reactor Research and Development Program: Ninth Quarterly Progress Report July 1962 - September 1962 (open access)

Fuel Cycle Program - A Boiling Water Reactor Research and Development Program: Ninth Quarterly Progress Report July 1962 - September 1962

The Fuel Cycle Program is an integrated program of investigation in the Vallecitos Boiling Water Reactor (VBWR) and other facilities to improve the technological limits of boiling water reactors.
Date: October 25, 1962
Creator: Howard, C. L.
System: The UNT Digital Library
High Power Density Development Project Tenth Quarterly Progress Report July-September 1962 (open access)

High Power Density Development Project Tenth Quarterly Progress Report July-September 1962

The Big Rock Point Reactor of the Consumers Power Company went critical for the first time on September 27, 1962. Summarized here are objectives and accomplishments of the pre-operational period as well as an indication of work scope remaining.
Date: October 1, 1962
Creator: Holladay, R. L.
System: The UNT Digital Library
Heavy Element Isotopic Analysis of UO2 Fuel Irradiated In The VBWR: Report #1 (open access)

Heavy Element Isotopic Analysis of UO2 Fuel Irradiated In The VBWR: Report #1

The primary objective of this program is to obtain improved data on the changes in nuclear characteristics with burnup of uranium oxide fuel in a boiling water reactor.
Date: December 28, 1962
Creator: Hackney, M. R. & Ruiz, C. P.
System: The UNT Digital Library
Fabrication of Zirconium Alloys For Specific Zirconium Alloy Design Program (open access)

Fabrication of Zirconium Alloys For Specific Zirconium Alloy Design Program

The raw materials and fabrication procedures employed in preparing thirty two zirconium alloy compositions for evaluation as described in GEAP-3979 are reported. Considerations involved in the extension of reported laboratory procedures to larger scale production are discussed.
Date: December 5, 1962
Creator: Antony, K. C. & Jones, L. T.
System: The UNT Digital Library
The Measurement Of Free Fission Gas Pressure In Operating Reactor Fuel Elements (open access)

The Measurement Of Free Fission Gas Pressure In Operating Reactor Fuel Elements

The experimental program described has had as its objective the determination of the pressure exerted by free fission gas in operating UO2-filled reactor fuel elements.
Date: January 23, 1963
Creator: Reynolds, M. B.
System: The UNT Digital Library
Accurate Nuclear Fuel Burnup Analyses: Fourth Quarterly Progress Report September-November, 1962 (open access)

Accurate Nuclear Fuel Burnup Analyses: Fourth Quarterly Progress Report September-November, 1962

Work has continued on the development of accurate nuclear fuel burnup analysis. Work performed during the fourth quarter is summarized here.
Date: December 1, 1962
Creator: Rider, B. F.; Ruiz, C. P. & Peterson, J. P.
System: The UNT Digital Library
Two-Phase Pressure Losses Third Quarterly Progress Report August 12-November 12, 1962 (open access)

Two-Phase Pressure Losses Third Quarterly Progress Report August 12-November 12, 1962

This is the third quarterly report on the work done under Contract AT(04-30-189, Project Agreement No.27, and covers the period August 12 to November 12, 1962.
Date: December 12, 1962
Creator: Janssen, E. (Engineer) & Kervinen, J. A.
System: The UNT Digital Library
Habitat Development Field Investigations, Windmill Point Marsh Development Site, James River, Virginia: Summary Report (open access)

Habitat Development Field Investigations, Windmill Point Marsh Development Site, James River, Virginia: Summary Report

This summary report is part of a series documenting the field site investigations conducted by the Habitat Development Project initiated to study for more definitive information on the environmental impact of dredging and dredged material disposal operations. This report documents tasks such as: (a) Effects of Marsh and Terrestrial Disposal, (b) Marsh Development, (c) Terrestrial Habitat Development, (d) Aquatic Habitat Development, and (e) Island Habitat Development.
Date: August 1978
Creator: Lunz, John D.; Zeigler, Timothy W.; Huffman, Robert T.; Diaz, Robert J.; Clairain, Ellis J. & Hunt, L. Jean
System: The UNT Digital Library
Ethical Guidelines on the Use of Artificial Intelligence (AI) and Data in Teaching and Learning for Educators (open access)

Ethical Guidelines on the Use of Artificial Intelligence (AI) and Data in Teaching and Learning for Educators

Report guiding educators through the use of artificial intelligence (AI) as well as explaining the benefits and the risks of AI use in education in Europe.
Date: September 2022
Creator: European Union
System: The UNT Digital Library
Human Rights in the age of artificial intelligence (open access)

Human Rights in the age of artificial intelligence

Report studying potential human rights issues that could arise from the everyday use of artificial intelligence (AI).
Date: November 2018
Creator: Andersen, Lindsey
System: The UNT Digital Library
Foresight: Use and Impact of Artificial Intelligence in the Scientific Process (open access)

Foresight: Use and Impact of Artificial Intelligence in the Scientific Process

Report examining how researchers at the European Research Council (ERC) are using artificial intelligence (AI), potential future uses of AI in scientific and scholarly practices, and potential opportunities and risks.
Date: 2023
Creator: European Research Council
System: The UNT Digital Library
Findings: The Potential Future Risks of AI (open access)

Findings: The Potential Future Risks of AI

Report explaining some of the potential risks associated with the future of artificial intelligence (AI) advancements to advise the U.S. President and the White House National AI Initiative Office (NAIIO).
Date: October 2023
Creator: National Artificial Intelligence Advisory Committee
System: The UNT Digital Library
Envisioning a National Artificial Intelligence Research Resource (NAIRR): Preliminary Findings and Recommendations: An Interim Report by the NAIRR Task Force (open access)

Envisioning a National Artificial Intelligence Research Resource (NAIRR): Preliminary Findings and Recommendations: An Interim Report by the NAIRR Task Force

Report establishing the foundation of the National Artificial Intelligence Research Resource (NAIRR) as well as initial findings from research requested by Congress.
Date: May 2022
Creator: United States. National Science Foundation. National Artificial Intelligence Research Resource
System: The UNT Digital Library
Time for a Pause: Without Effective Public Oversight, AI in Schools Will Do More Harm Than Good. (open access)

Time for a Pause: Without Effective Public Oversight, AI in Schools Will Do More Harm Than Good.

Report discussing research related to the use of Artificial Intelligence (AI) in school systems. The authors implore federal, state, and district policymakers to slow down and restrict the implementation of AI in schools until proper research has been completed and ethical concerns are addressed.
Date: March 2024
Creator: Williamson, Ben; Molnar, Alex & Boninger, Faith
System: The UNT Digital Library
Big Data and Artificial Intelligence for Achieving Universal Health Coverage: An International Consultation on Ethics (open access)

Big Data and Artificial Intelligence for Achieving Universal Health Coverage: An International Consultation on Ethics

Report detailing the discussion in a meeting of experts and representatives from international organizations on the topic of ethical concerns of using Big Data and Artificial Intelligence (AI) in healthcare. Includes a list of participants and the meeting's agenda.
Date: 2018
Creator: World Health Organization
System: The UNT Digital Library
Habitat Development Field Investigations, Windmill Point Marsh Development Site, James River, Virginia: Appendix B (open access)

Habitat Development Field Investigations, Windmill Point Marsh Development Site, James River, Virginia: Appendix B

Appendix detailing the results of experiments conducted on the propagation of vegetation at the James River Habitat Development Site, in addition to results of laboratory germination tests of all the species of seeds used at the Site. This appendix accompanies the final report of the habitat field investigations of the Windmill Point Marsh Development Site, James River, Virginia.
Date: April 1978
Creator: Garbisch, E.W. Jr.
System: The UNT Digital Library
Uranium Hydrogeochemical and Stream Sediment Reconnaissance of the Lander NTMS Quadrangle, Wyoming, Including Concentrations of Forty-Two Additional Elements (open access)

Uranium Hydrogeochemical and Stream Sediment Reconnaissance of the Lander NTMS Quadrangle, Wyoming, Including Concentrations of Forty-Two Additional Elements

Report detailing uranium and other elemental data resulting from the Hydrogeochemical and Stream Sediment Reconnaissance (HSSR) of 355 water and 1376 sediment samples collected from 1443 locations in the Lander National Topographic Map Series (NTMS) quadrangle, Wyoming, by the Los Alamos Scientific Laboratory.
Date: September 1979
Creator: Shannon, Spencer S.; Sandoval, Walter F.; Montoya, Janet D.; Minor, Michael M.; Simi, Oliver R.; Talcott, Carol L. et al.
System: The UNT Digital Library
Maintenance of Various Reactor Types (open access)

Maintenance of Various Reactor Types

This technical report presents an overview of nuclear reactor maintenance to be used in planning a nuclear reactor. There are certain basic maintenance fundamentals that are common to all types of reactors that may be' incorporated in a power producing facility. Basically, there are only two types of maintenance procedures. The direct type, which is common to conventional steam plants, may be used in some areas where the radioactivity is low enough. In most parts of the plant, maintenance will of necessity be remote due to the high level of radioactivity. For simplicity of description in this report all reactor types are divided into two general classes: solid fuel types and circulating fuel types. The report lists nine types of reactor power plant types with advantages and disadvantages maintenance-wise of each.
Date: April 8, 1957
Creator: Draper, R. D.
System: The UNT Digital Library
Deflection Equations for Various Loading of Circular-Arc Curved Beams (open access)

Deflection Equations for Various Loading of Circular-Arc Curved Beams

In analyzing stresses, deflections, and forces in piping and certain structural systems, it is useful to have a set of equations giving the deflections at any point of a curved beam in terms of the various loads acting on the beam. This technical report presents the deflection equations for a curved circular-arc beam of variable length. The cases treated include in-plane and out-of-plane bending due to forces and moments applied to the end of the beam in three principal directions, and uniformly distributed loads applied along the beam in these three directions. Deflections were calculated by the strain energy method using Castigliano's theorem.
Date: April 22, 1957
Creator: Platus, D. L. & Greenstreet, B. L.
System: The UNT Digital Library