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418 Matching Results
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System model for analysis of the mirror fusion-fission reactor
This report describes a system model for the mirror fusion-fission reactor. In this model we include a reactor description as well as analyses of capital cost and blanket fuel management. In addition, we provide an economic analysis evaluating the cost of producing the two hybrid products, fissile fuel and electricity. We also furnish the results of a limited parametric analysis of the modeled reactor, illustrating the technological and economic implications of varying some important reactor design parameters.
Date:
October 12, 1977
Creator:
Bender, D.J. & Carlson, G.A.
Object Type:
Report
System:
The UNT Digital Library
Improved mutagen-testing systems in mice. Progress report, 1 June 1976--31 August 1977
Results are reported from studies on the production of chromosomal inversion by chemical treatment or irradiation of sperm in mice and to detect inversions by observing high frequencies of first meiotic anaphase bridges of their sons or by using chromosomal banding techniques to detect inverted segments cytologically. For each new inversion, which is either of considerable length or which has particularly useful experimental properties, we will determine its linkage group, mark it genetically, if possible, or place it with a genetically marked homologous chromosome, and study its cytological, physiological, and anatomical effects. The inversions are being used to construct recessive lethal testing systems for estimating mutational loads in populations exposed to radiation or either proved or potential chemical mutagens, to mark and maintain induced lethals for analysis of their potential dominant effects on fitness, and to study other basic problems in mammalian genetics.
Date:
October 12, 1977
Creator:
Roderick, T.H.
Object Type:
Report
System:
The UNT Digital Library
Further comments on W physics at ISABELLE energies
A partial review of the history of weak interactions and the W boson is given in order to show the trend of the development of this study. 31 references. (JFP)
Date:
October 12, 1977
Creator:
Wang, L. L.
Object Type:
Report
System:
The UNT Digital Library
Laser driven fusion fission hybrids
The role of the fusion-fission hybrid reactor (FFHR) as a fissile fuel and/or power producer is discussed. As long range options to supply the world energy needs, hybrid-fueled thermal-burner reactors are compared to liquid metal fast breeder reactors (LMFBR). A discussion of different fuel cycles (thorium, depleted uranium, and spent fuel) is presented in order to compare the energy multiplication, the production of fissile fuel, the laser efficiency and pellet gain requirements of the hybrid reactor. LLL has collaborated with Bechtel Corporation and with Westinghouse on the conceptual design of laser fusion power plants. The neutronic studies of these two designs are discussed. The operational parameters, such as energy multiplication, power density, burn-up and plutonium production as a function of time, are also presented.
Date:
July 12, 1977
Creator:
Hansen, L. F. & Maniscalco, J. A.
Object Type:
Article
System:
The UNT Digital Library
Photon compression in cylinders
It has been shown theoretically that intense microwave radiation is absorbed non-classically by a newly enunciated mechanism when interacting with hydrogen plasma. Fields > 1 Mg, lambda > 1 mm are within this regime. The predicted absorption, approximately P/sub rf/v/sub theta/sup e/, has not yet been experimentally confirmed. The applications of such a coupling are many. If microwave bursts approximately > 5 x 10/sup 14/ watts, 5 ns can be generated, the net generation of power from pellet fusion as well as various military applications becomes feasible. The purpose, then, for considering gas-gun photon compression is to obtain the above experimental capability by converting the gas kinetic energy directly into microwave form. Energies of >10/sup 5/ joules cm/sup -2/ and powers of >10/sup 13/ watts cm/sup -2/ are potentially available for photon interaction experiments using presently available technology. The following topics are discussed: microwave modes in a finite cylinder, injection, compression, switchout operation, and system performance parameter scaling.
Date:
January 12, 1977
Creator:
Ensley, D.L.
Object Type:
Report
System:
The UNT Digital Library
Inertial confinement fusion (ICF). [Review of research progress]
The principal goal of the inertial confinement fusion program is the development of a practical fusion power plant in this century. Rapid progress has been made in the four major areas of ICF--targets, drivers, fusion experiments, and reactors. High gain targets have been designed. Laser, electron beam, and heavy ion accelerator drivers appear to be feasible. Record-breaking thermonuclear conditions have been experimentally achieved. Detailed diagnostics of laser implosions have confirmed predictions of the LASNEX computer program. Experimental facilities are being planned and constructed capable of igniting high gain fusion microexplosions in the mid 1980's. A low cost long lifetime reactor design has been developed.
Date:
October 12, 1977
Creator:
Nuckolls, J.
Object Type:
Article
System:
The UNT Digital Library
[News Clip: Parenting]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 12, 1977, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Crime #16]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 12, 1977, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: SMU Homecoming]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
November 12, 1977, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Court]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 12, 1977
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
Efficient lensing element for x-rays. [Blazed Fresnel Phase Plate]
An efficient x-ray lens with an effective speed of order less than approximately f/50 for lambda greater than approximately 10 A x-rays is described. Fabrication of this lensing element appears feasible using existing microfabrication technology. Diffraction and refraction are coupled in a single element to achieve efficient x-ray concentration into a single order focal spot. Diffraction is used to produce efficient ray bending (without absorption) while refraction is used only to provide appropriate phase adjustment among the various diffraction orders to insure what is essentially a single order output. The mechanism for ray bending (diffraction) is decoupled from the absorption mechanism. Refraction is used only to achieve small shifts in phase so that the associated attenuation need not be prohibitive. The x-ray lens might be described as a Blazed Fresnel Phase Plate (BFPP) with a spatially distributed phase shift within each Fresnel zone. The spatial distribution of the phase shifts is chosen to concentrate essentially all of the unabsorbed energy into a single focal spot. The BFPP transforms the incident plane wave into a converging spherical wave having an amplitude modulation which is periodic in r/sup 2/. As a result of the periodic amplitude modulation, the BFPP will diffract energy …
Date:
August 12, 1977
Creator:
Ceglio, N.M. & Smith, H.I.
Object Type:
Article
System:
The UNT Digital Library
The Tulia Herald (Tulia, Tex.), Vol. 69, No. 19, Ed. 1 Thursday, May 12, 1977
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
May 12, 1977
Creator:
Baggarly, H. M.
Object Type:
Newspaper
System:
The Portal to Texas History
[Letter from Eleanor McLernon to Editor of Victoria Advocate, May 12, 1977]
Letter from Eleanor McLernon Brown to the editor of Victoria Advocate telling her who the WASP are, the issues that have risen with Congress regarding giving them veteran status, and asking them if she can inform her readers about this, and get them to send letters to Congress.
Date:
May 12, 1977
Creator:
Brown, Eleanor McLernon
Object Type:
Letter
System:
The Portal to Texas History
[News Clip: Japanese garden]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
April 12, 1977, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: City Hall]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
December 12, 1977, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Automobile (Pound)]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
December 12, 1977, 12:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Tape Open]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
February 12, 1977, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Dallas City Council Race District 4]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
March 12, 1977, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Trade Fair]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
February 12, 1977, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: College]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
April 12, 1977, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Basketball]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
March 12, 1977, 5:30 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Commissioner Pickett]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
January 12, 1977, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Blackhawk profile including Kansas City game loss]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
February 12, 1977, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Tennis semis]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
March 12, 1977, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library