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25
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11
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9
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647 Matching Results
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Nuclear reaction uncertainties in standard and non-standard cosmologies
We discuss here the uncertainties in the nuclear input data relevant for calculations of standard and non-standard primordial nucleosynthesis. We show how these uncertainties can affect the predictive power of such calculations, and we identify those key nuclear reactions for which improved experimental data on the associated reaction rates is most needed. Such experimental data can lead to more accurate discriminatory tests between the differing primordial nucleosynthesis scenarios. 34 refs., 3 tabs.
Date:
October 6, 1989
Creator:
Malaney, R.A.
Object Type:
Article
System:
The UNT Digital Library
Proceedings of the Conference on technology-based confidence building: Energy and environment
This document contains excerpts from the proceedings of the conference on Technology-based Confidence Building: Energy and the Environment.'' It contains the agenda for the conference and a document on Global Warming and Energy Use;'' a presentation on from Militarism to Environmentalism: a New Focus of US-Soviet Relations;'' a workshop on environmental challenges; a summary address on Science, Technology, and World Affairs;'' an address entitled Energy: the Coin of International Understanding;'' and concluding remarks.
Date:
November 6, 1989
Creator:
unknown
Object Type:
Article
System:
The UNT Digital Library
Enhanced durability and reactivity for zinc ferrite desulfurization sorbent
AMAX Research Development Center (AMAX R D) has been investigating methods for enhancing the reactivity and durability of the zinc ferrite desulfurization sorbent. Zinc ferrite sorbents are intended for use in desulfurization of hot coal gas in integrated gasification combined cycle (IGCC) or molten carbonate fuel cell (MCFC) applications. For the present program, the reactivity of the sorbent may be defined as its sulfur sorption capacity at the breakthrough point and at saturation in a bench-scale, fixed-bed reactor. Durability may be defined as the ability of the sorbent to maintain important physical characteristics such As size, strength, and specific surface area during 10 cycles of sulfidation and oxidation.
Date:
March 6, 1989
Creator:
Jha, M. C. & Berggren, M. H.
Object Type:
Report
System:
The UNT Digital Library
Small power plant reverse trade mission
This draft report was prepared as required by Task No. 2 of the US Department of Energy, Grant No. FG07-89ID12850 Reverse Trade Mission to Acquaint International Representatives with US Power Plant and Drilling Technology'' (mission). As described in the grant proposal, this report covers the reactions of attendees toward US technology, its possible use in their countries, and an evaluation of the mission by the staff leaders. Note this is the draft report of one of two missions carried out under the same contract number. Because of the diversity of the mission subjects and the different attendees at each, a separate report for each mission has been prepared. This draft report has been sent to all mission attendees, specific persons in the US Department of Energy and Los Alamos National Lab., the California Energy Commission (CEC), and various other governmental agencies.
Date:
September 6, 1989
Creator:
unknown
Object Type:
Article
System:
The UNT Digital Library
[Letter from James Muro to Valleau Wilkie, Jr., January 6, 1989]
Letter from James Muro to Valleau Wilkie, Jr., on January 6, 1989, informing Wilkie that he has received a check for $50,000 from the Sid W. Richardson Foundation, and thanking him for his help in securing that grant.
Date:
January 6, 1989
Creator:
Muro, James J.
Object Type:
Letter
System:
The UNT Digital Library
[Letters and Curriculum Vitae of Jim Sybert]
Letters concerning Jim Sybert's application for the position of Director of the Texas Academy of Mathematics and Science. Sybert's Curriculum Vitae is also included.
Date:
[1989-03-06..1989-04-24]
Creator:
Sybert, James R.
Object Type:
Letter
System:
The UNT Digital Library
[Letter from Julian Stanley to Rogers Redding, June 6, 1989]
Letter from Julian Stanley to Rogers Redding, on June 6, 1989, suggesting that the minimum number of credits needed for graduation be set at 48, to ease pressure from the students.
Date:
June 6, 1989
Creator:
Stanley, Julian C.
Object Type:
Letter
System:
The UNT Digital Library
[Photograph 2012.201.B0147.0222]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Helen Reinheimer-Mercer, Mark Cox and Berta Faye Rex, from left."
Date:
September 6, 1989
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0152.0563]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Pat Copeland, left, Anna d'Andriole and Dick Copeland look over a Traditions 89 poster."
Date:
October 6, 1989
Creator:
Hellstern, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0171.0022]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Cowboy sit on a bale of way."
Date:
July 6, 1989
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0156.0680]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "With songs of Oklahoma history, musicians Terry Maciula, Ken Maciula and Jodie Deer entertain a crowd Sunday at the Oklahoma Heritage Association's 17th anniversary."
Date:
August 6, 1989
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0171.0019]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "A hen made of wheat straw."
Date:
July 6, 1989
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0143.0459]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Marcia Powell, Cynthia Cope and Barney Seminer, from left."
Date:
September 6, 1989
Creator:
Sisney, Steve
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0134.0414]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "M. W. C Andrew Christmon out runs Cody Thompson .."
Date:
October 6, 1989
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0136.0418]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Santa Claus a retired civil service employee from Sandy, Utah, hands candy canes to students at Greenvale Elementary School."
Date:
November 6, 1989
Creator:
Hellstern, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0322.0220]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Robert Browne, chief executive officer of Great Plains Coca-Cola bottling Co., left, shrews a table with Mr. and Mrs. Robert Kane of lthaca, N. Y. Kane is the former of the U.S. Olympic Festival."
Date:
July 6, 1989
Creator:
Wilson, George R.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0333.0317]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Kevin King delivers a pitch for OU in Friday's 15-3 Big Eight Victory over Oklahoma State."
Date:
May 6, 1989
Creator:
Gooch, Steve
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Vibration analysis of APS magnet/support systems based on the finite element method
Prediction of the dynamic response of APS magnet/support systems requires knowledge of the free vibrational characteristics, including natural frequencies, modes, and modal damping ratios. A preliminary dynamic analysis of the magnet/support system of a typical section of the APS storage ring, as presented in the APS Conceptual Design Report, was performed to gain insight. The preliminary analysis is based on the assumption that the support girder could be considered rigid relative to the stiffness of the pedestal supports when considering the lower modes and frequencies. Further, only the vertical (in-plane) translational and rocking modes were studied. The subject analysis was performed to include the flexibility of the support girder and to investigate the horizontal (out-of-plane) modes as well. Also, the most up-to-date design of the five magnet sections are studied. Here, it should be noted that in the latest design the positioning of the support pedestals (jack-screws) is different from that in the conceptual design.
Date:
March 6, 1989
Creator:
Chen, S.S. & Wambsganss, M.W.
Object Type:
Report
System:
The UNT Digital Library
[Photograph 2012.201.B0312B.0150]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Assistant U. S. Attorney Arlene Joplin"
Date:
July 6, 1989
Creator:
Gooch, Steve
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0338.0082]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Kristi Kerns of Salina comforts teammate Dawn Humphrey after loss in 300 meter hurdles."
Date:
May 6, 1989
Creator:
Hellstern, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0350.0450]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Paul Lambert and Renate and Chuck Wiggin, from left, visit."
Date:
August 6, 1989
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0253.0178]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dan Hays, Oklahoma Christian men's basketball coach, observes his team during a recent game."
Date:
January 6, 1989
Creator:
Gooch, Steve
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0252.0050]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
March 6, 1989
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0248.0682]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Burns Hargis, Chairman of DHS Commission"
Date:
June 6, 1989
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History