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EPROM-based LSI-11 for distributed instrumentation control
The LLNL Nuclear Chemistry Counting Facility (NCCF) is being converted to a modern production facility. A computer network has been designed and built to implement this conversion. The outermost node of the computer network is a dedicated EPROM-based controller. The controller handles the details of driving the attached nuclear instrumentation, providing a standard interface to the remainder of the network. This paper addresses the design and the implementation of the dedicated instrumentation controller.
Date:
November 11, 1981
Creator:
Hunt, D.N.
Object Type:
Article
System:
The UNT Digital Library
Stability and disturbance of large dc superconducting magnets
This paper addresses the stability aspects of several successful dc superconducting magnets such as large bubble chamber magnets, and magnets for the Mirror Fusion Test Facility and MHD Research Facility. Specifically, it will cover Argonne National Laboratory 12-Foot Bubble Chamber magnets, the 15-foot Bubble Chamber magnets at Fermi National Laboratory, the MFTF-B Magnet System at Lawrence Livermore National Laboratory, the U-25B Bypass MHD Magnet, and the CFFF Superconducting MHD magnet built by Argonne National Laboratory. All of these magnets are cooled in pool-boiling mode. Magnet design is briefly reviewed. Discussed in detail are the adopted stability critera, analyses of stability and disturbance, stability simulation, and the final results of magnet performance and the observed coil disturbances.
Date:
November 11, 1981
Creator:
Wang, S. T.
Object Type:
Article
System:
The UNT Digital Library
Insulator materials in high power lasers for inertial fusion: present and future
A summary is given of the important characteristics of currently used insulator materials. Figures of merit for materials needed in future systems are identified. A methodology for identifying and evaluating new materials meeting the stringent performance requirements of future fusion laser systems is outlined.
Date:
November 11, 1983
Creator:
Krupke, W. F.
Object Type:
Article
System:
The UNT Digital Library
Energy-beam processing studies on Ta/U and Ir/Ta systems. [Laser-and electron-beam melting]
Films of Ta metal on uranium and of Ir metal on tantalum have been irradiated and melted by pulses from Q-switched Ruby and frequency-doubled Nd:YAG lasers to investigate the nature of the resulting mixtures in light of the very different binary-phase diagrams of the two systems. In addition, a two-phase Ir-Ta alloy has been surface-processed with CW CO/sub 2/-laser radiation and with an electron beam in order to study microstructure refinement and test the advantage of using alloys as opposed to film-on-substrate combinations for the development of claddings.
Date:
November 11, 1983
Creator:
Kaufmann, E. N.; Peercy, P. S.; Jacobson, D. C.; Draper, C. W.; Huegel, F. J.; Echer, C. J. et al.
Object Type:
Article
System:
The UNT Digital Library
[2012.201.B0092.0508]
Photograph of two men and a woman with a dog posing in front of exhibit panels. Caption: "Bonnie, a mutt of questionable ancestry, finds herself appearing before numerous clubs and groups as her owner, Melanie Blackburn, right, talks of her organization, Dog Ears which trains hearing dogs for the deaf."
Date:
November 11, 1989
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[News Clip: Biker veterans]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, covering a news story about a large group of biker veterans riding across roads and footage of a veteran memorial.
Date:
November 11, 1989
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Vets reactions]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, covering footage about a large march and event honoring Vietnam veterans, showing interviews with veterans and families visiting the memorial plaque with names of lost soldiers inscribed. The story aired at 10pm.
Date:
November 11, 1989, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: P-vets reaction]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, covering a news story by reporter Jeff Eliasoph about the reaction from Vietnam veterans and families who are finally seeing the Vietnam veterans being honored and recognized several years after the war.
Date:
November 11, 1989
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Vets Day Organize]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 5pm.
Date:
November 11, 1988, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Texas React]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 12pm.
Date:
November 11, 1988, 12:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: P Aquino visit]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, covering a news story about Filipino president Corazon Aquino touring a Dallas mall with her daughter Christina, discussing trade opportunities between Texas and the Phillppines, as well as Aquino delivering a speech about the increasing amount of women in political and business endeavors.
Date:
November 11, 1989
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Aquino visit]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, covering a news story about Philippines President Corazon Aquino giving a speech about the increase of women in business endeavors and footage of the press following her around. This story aired at 10pm.
Date:
November 11, 1989, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Vets Fair Park]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 10pm.
Date:
November 11, 1988, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Cops Fired]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 6pm.
Date:
November 11, 1988, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Vets / Dallas]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 10pm.
Date:
November 11, 1988, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Cops Fired]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 5pm.
Date:
November 11, 1988, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[Newspaper clipping: Judge helped post vote-fraud signs]
Xerographic of a newspaper clipping from the Dallas Times Herald article regarding the posting of voting fraud warnings in Dallas neighborhoods by Judge Jack Hampton.
Date:
November 11, 1982
Creator:
Dallas Times Herald
Object Type:
Clipping
System:
The UNT Digital Library
The Tulia Herald (Tulia, Tex.), Vol. 74, No. 45, Ed. 1 Thursday, November 11, 1982
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
November 11, 1982
Creator:
Tooley, Wendell
Object Type:
Newspaper
System:
The Portal to Texas History
The North Texas Daily (Denton, Tex.), Vol. 71, No. 42, Ed. 1 Wednesday, November 11, 1987
Daily student newspaper from North Texas State University in Denton, Texas that includes local, state, and campus news along with advertising.
Date:
November 11, 1987
Creator:
Dowlearn, Laura
Object Type:
Newspaper
System:
The Portal to Texas History
Electrical configuration for magnetic drift pumping on the tandem mirror experiment-upgrade (TMX-U)
Magnetic drift pumping on TMX-U involves driving four antennae through high Q-resonant circuits. One of the key elements in the resonant circuit is a variable inductor able to carry the 3500 amperes through the circuit and maintain its shape and inductance. The eight resonant circuits can be combined to feed the four antennae with one or two frequencies on each antenna, or frequency shift keying between two frequencies. Each resonant circuit is fed by two 10 to 30 kHz exciters capable of delivering 80 kW each to the circuit. Each exciter receives its power from its own adjustable 0 to 400 volt power supply. The entire system is controlled by a CAMAC control system over a fiber-optic link. The control system checks interlock status, controls ''On'' and ''Off'' status, calculates and adjusts phasing of the exciters for addition or deletion of the proper beat frequencies, and monitors operation. 3 refs., 5 figs.
Date:
November 11, 1985
Creator:
Jackson, M.C.; Kane, R.J. & Hulsey, S.D.
Object Type:
Article
System:
The UNT Digital Library
E parallel B end-loss-ion analyzer for the Tandem Mirror Experiment-Upgrade (TMX-U). Revision 1
We have installed a new diagnostic instrument to investigate ions emanating along magnetic-field lines of the TMX-U tandem-mirror experiment. This analyzer contains parallel electric and magnetic fields, which yield ion mass and energy spatial separation. A dual array of 128 copper collector plates detects particles in the ion flux that is first collimated and then focused through the 180-degree bending magnetic field. An electric field applied transverse to the bending particle path then separates the ion masses in the direction perpendicular to the magnetic-pole faces while the magnetic field spreads out the different energies of each mass in a plane parallel to the magnetic-pole tips. The CAMAC-based data recorders are fiber-optically coupled to the system controller for data acquisition, analysis, and display. A commercial CAMAC data recorder was modified for current input. We expect to measure higher particle energies than the present gridded end-loss analyzers as well as to more accurately determine the energy spectra.
Date:
November 11, 1985
Creator:
Wood, B. E.; Foote, J. H.; Coutts, G. W.; Pedrotti, L. R.; Schlander, L. F. & Brown, M. D.
Object Type:
Article
System:
The UNT Digital Library
Concepts and development of drift pumping for the Tandem Mirror Experiment-Upgrade (TMX-U)
Low-energy ions trapped in the thermal barrier region of the TMX-U plasma cause a potential reduction which results in increased scattering and less thermal isolation between regions of the plasma. A method of removing these ions using magnetic field perturbations at the ion drift frequency has been developed. The concepts of ''drift pumping'' and hardware development are described in this paper. 5 refs., 7 figs.
Date:
November 11, 1985
Creator:
Kane, R. J.; Pedrotti, L. R.; Brooksby, C. A.; Cummins, W. F.; Jackson, M. C.; Poulsen, P. et al.
Object Type:
Article
System:
The UNT Digital Library
Assessment of the application of the sputtering process to beryllium for hardening optical coatings
Two principal deposition processes are compared for the case of depositing 1 to 2 ..mu..m beryllium on fused-silica substrates. While the evaporation-deposition process offers advantages such as higher deposition rate, purification of the evaporant and efficient use of masks, the sputter-deposition is more versatile, and therefore more effective, in varying and controlling the microstructure of the deposits. The versatility comes about because the latter process has five major operational parameters to be selected or adjusted. Consequently, sputter-deposited beryllium films are expected to display more desirable microstructures and better surface finish than evaporation-deposited films.
Date:
November 11, 1985
Creator:
Chen, C.W. & Alford, C.S.
Object Type:
Report
System:
The UNT Digital Library
Tables and graphs of photon-interaction cross sections from 0. 1 keV to 100 MeV derived from the LLL evaluated-nuclear-data library
Energy-dependent evaluated photon interaction cross sections and related parameters are presented for elements H through Cf(Z = 1 to 98). Data are given over the energy range from 0.1 keV to 100 MeV. The related parameters include form factors and average energy deposits per collision (with and without fluorescence). Fluorescence information is given for all atomic shells that can emit a photon with a kinetic energy of 0.1 keV or more. In addition, the following macroscopic properties are given: total mean free path and energy deposit per centimeter. This information is derived from the Livermore Evaluated-Nuclear-Data Library (ENDL) as of October 1978.
Date:
November 11, 1981
Creator:
Plechaty, E.F.; Cullen, D.E. & Howerton, R.J.
Object Type:
Report
System:
The UNT Digital Library