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80
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10
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9
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8
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115
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85
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47
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Results:
1 - 24 of
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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:
August 19, 1988
Creator:
Jha, Mahesh C. & Berggren, Mark H.
Object Type:
Report
System:
The UNT Digital Library
Neutron capture studies: 1, Multiple capture reactions and implications for calculated beta-delayed fission rates: 2, The nuclear level structure of 238Np
Astrophysical r-process calculations of transbismuth elements are of interest because certain actinide pairs can be treated as chronometers in determining the duration of nucleosynthesis. For one such calculation where a particularly long galactic age was derived, 21 + 2 - 4 Gyr, we present evidence that the effect of beta-delayed fission appears to be seriously overestimated in uranium decay chains with A = 252 to 257. With this conclusion, it follows that this estimate of the galactic age must be considered more uncertain than if the calculated rates of beta-delayed fission were found to be acceptable. The nuclear level structure of 238Np has been investigated using the 237Np(n,..gamma..)238Np reaction and the alpha decay of 242mAm as experimental probes. Having established a level scheme for 238Np that includes 47 excited levels and 93 secondary transitions, we find a high degree of correspondence between the experimental band structure and that of a semi-empirical model developed to predict excitations in odd-odd deformed nuclei. 35 refs., 4 figs., 3 tabs.
Date:
February 19, 1988
Creator:
Hoff, R.W.
Object Type:
Article
System:
The UNT Digital Library
Beryllium Science: US-UK agreement on the use of Atomic Energy for mutual defense
Twenty-seven papers are presented on beryllium supply, production, fabrication, safe handling, analysis, powder technology, and coatings. Separate abstracts have been prepared for the individual papers. (DLC)
Date:
February 19, 1988
Creator:
Hanafee, J.E. (ed.)
Object Type:
Article
System:
The UNT Digital Library
[Photograph 2012.201.B0155.0049]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Rolling the brim is important during steam shaping."
Date:
May 19, 1988
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0170.0053]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
April 19, 1988
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0174.0031]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "A 2,368-square-foot Long John Silver's Seafood Shoppe has been built at 630 Broadway in Edmond."
Date:
September 19, 1988
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0155.0048]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Raymond Davis steam shapes a custom hat his Sallisaw shop."
Date:
May 19, 1988
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0139.0278]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Oral Roberts' Mitch Payne is tagged out at second base by OU's Mar Cole during Saturday's game."
Date:
March 19, 1988
Creator:
Hellstern, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
The coupling of stimulated Raman and Brillouin scattering in a plasma
The observation of an anti-Stokes satellite in the spectrum of light backscattered from a CO{sub 2} laser plasma is reported. Its origin is found to be Thomson scattering of the incident light from a counterpropagating mode-coupled plasma wave. The parent electron and ion waves in the mode-coupling process were driven by stimulated Raman and Brillouin backscattering. The parent and daughter plasma waves were detected by ruby laser Thomson scattering. A computer simulation modeling the experiment shows further cascading of the Stokes backscattered light to lower frequencies, apparently due to its rescattering by another, higher phase velocity, counterpropagating coupled mode. Comparisons with theoretical predictions are presented. 16 refs., 4 figs.
Date:
September 19, 1988
Creator:
Umstadter, D.; Mori, W.B. & Joshi, C. (Lawrence Livermore National Lab., CA (USA))
Object Type:
Report
System:
The UNT Digital Library
Fireset
FIRESET is a PC-based computer code which calculates current as a function of time for an RLC circuit containing up to fifteen series conductors which undergo rapid heating and subsequent explosion as a consequence of an electric current which passes through them. In its original form, the code was developed to model electrical waveforms measured when a large, typically 25.4 x 25.4 x 0.051-mm, aluminum foil was exploded using a capacitor bank with tens of kilojoules of stored energy. The code proved to be useful for this purpose, and it was recognized that it could also be used for modeling the electrical response of detonator bridgewires. In view of the increasing use of slapper detonators for DOD applications, we wish to make the latest version of the code, available to DOD laboratories and contractors for use in designing firing systems which employ slapper or exploding bridgewire detonators. This document provides instructions for the code.
Date:
February 19, 1988
Creator:
Lee, R. S.
Object Type:
Report
System:
The UNT Digital Library
[Photograph 2012.201.B0250.0192]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Victor and Nita Harris, center, are helped aboard a private jet by Virginia O'Hern and pilot Jim Hensley of American Jet Charter."
Date:
May 19, 1988
Creator:
Flight for Sight
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0310B.0048]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "A long line of needy families waits inside the Made in Oklahoma building at the state fairgrounds to receive Thanksgiving food baskets."
Date:
November 19, 1988
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0326.0107]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Literary winners honored Saturday night by the National Cowboy Hall of Fame included (seated) Lynn H. Scott, left, and Robert M. Utley; (standing) Frederick J. Dockstader, left, and Elmer Kelton."
Date:
March 19, 1988
Creator:
Sisney, Steve
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0247.0490]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Works by such artists as state Sen. Enoch Kelly Haney and Linda Rowlette will highlight the Western art show and sale."
Date:
April 19, 1988
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0262.0622]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Rep. Ross Duckett, D-Mustang, explains a resolution passed Thursday by the state Legislature to Hai Hoang, 11, while Hai's art teacher at Classen Fifth Year Center, Joy Eulberg, left, and Rep. Linda Larason, D-Oklahoma City, look on."
Date:
May 19, 1988
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0262.0262]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Coach Yasushi Hioki of Japan's Kyoto University has stayed busy observing the Oklahoma football program."
Date:
April 19, 1988
Creator:
Hellstern, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0354.0192]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Richard LeGrand enjoys spending time with his self-sufficient robot, MR. I."
Date:
January 19, 1988
Creator:
Gooch, Steve
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0334.0189]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Suzanne King, an Oklahoma City ceramics artist, has to wear a raincoat to set up her work for the Oklahoma City Festival of the Arts, which begins today."
Date:
April 19, 1988
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0262.0261]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Coach Yasushi Hioki of Japan's Kyoto University has observed the Oklahoma football program for a couple of months and already he has the Sooners pegged."
Date:
April 19, 1988
Creator:
Hellstern, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0170.0055]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
April 19, 1988
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0162.0603]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Mabel Ball, Maxine Dinstbir and Louise Pugh, from, enjoy the party..."
Date:
July 19, 1988
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0170.0052]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
April 19, 1988
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0224.0569]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "89ers catcher Otto Gonzalez has a conference with pitcher Wilson Alvarez in Friday's game against the Louisville Redbirds."
Date:
August 19, 1988
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0225.0003]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Sculptor Veryl Goodnight and Byron Price, executive director of the National Cowboy Hall of Fame, stand near "Paint Mare and Filly," the nickel and bronze statue by Goodnight unveiled Saturday."
Date:
March 19, 1988
Creator:
Sisney, Steve
Object Type:
Photograph
System:
The Gateway to Oklahoma History