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The Aerie, Yearbook of the University of North Texas, 1989
Yearbook for University of North Texas in Denton, Texas includes photos of and information about the school, student body, professors, and organizations. Index starts on page 316.
Date:
1989
Creator:
University of North Texas
Object Type:
Yearbook
System:
The Portal to Texas History
The AGS Booster main ring power supply system
The AGS Booster is being designed as a very versatile particle accelerator. Its primary function is to be a high quality injector to the currently operating Alternating Gradient Synchrotron (AGS). The Booster/AGS combination will produce proton intensities greater than 5 {times} 10{sup 13}protons per pulse (ppp), and accelerate heavy ions, with mass up to 200, to a maximum energy of 15 GeV per atomic mass unit (GeV/amu). The power supply for the Booster Main Ring (BMRPS) has to accommodate a wide range of cycles and a wide range of operating parameters. The cycles range from storage for several seconds to rapid cycling at 7.5 Hz. The peak output power is 18 MW. This paper will describe the AGS Booster machine powering requirements, the choice of power supply, the a.c. circuit tie-in and its associated problems and some of the details of the design of the BMRPS. 9 refs., 2 figs.
Date:
January 1, 1989
Creator:
Soukas, A.; Hughes, K.; Sandberg, J.; Toldo, F. & Zhang, S.Y. (Brookhaven National Lab., Upton, NY (USA))
Object Type:
Article
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 67, No. 1, Ed. 1 Sunday, January 1, 1989
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 1, 1989
Creator:
Lomenick, Rick
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The ANU (Australian National University) Heliac Program
The history and current status of experimental and theoretical work on heliacs at the Australian National University are reviewed. 18 refs., 1 fig., 1 tab.
Date:
January 1, 1989
Creator:
Dewar, R. L.; Gardner, H. J.; Cooper, G. J.; Hamberger, S. M.; Sharp, L. E.; Blackwell, B. D. et al.
Object Type:
Article
System:
The UNT Digital Library
Art Expression, Art Skills, and Continued Artistic Development of Children
An article, Art Expression, Art Skills, and Continued Artistic Development of Children by Michael Day. Literature in the field of Art Education has distinguished to three domains of art learning, critical domain which refers to the individuals response to art, the making of critical judgement and the ability to discus art with others. The cultural or historical domain, refers to the knowledge and understanding that surround a work of art within the milieu. The productive domain, refers to the making of art objects. Day's article, he'll focuses on the productive domain and the creative mediums of artwork.
Date:
[1989..]
Creator:
Day, Michael
Object Type:
Article
System:
The UNT Digital Library
An assessment of the lifetime of Faraday shield elements
The interaction of plasma with rf fields from an ion cyclotron range of frequencies (ICRF) antenna has been studied to estimate the amount of Faraday shield erosion expected in normal ICRF heating operation. Plasma parameters and ion energies have been measured in the near field of an antenna and used in a model to estimate the erosion rate of the Faraday shield surface. Experiments were conducted on the RF Test Facility, a magnetic mirror device at Oak Ridge National Laboratory, using a single-strap resonant loop antenna with a two-tier Faraday shield. The outer tier, facing the plasma, was layered with graphite tiles. The antenna was operated at currents and voltages within 50% of those expected in tokamaks. The time-varying floating potential was measured with a capacitively coupled probe, and the time-averaged floating potential, electron temperature, and electron density were measured with Langmuir probe. Both probes were scanned in front of the antenna. Ion energies were measured with a gridded energy analyzer located below the antenna, and samples of silicon were placed on the Faraday shield surface to estimate the incident ion energy. The capacitive probe measurement show that the rf floating potential follows the magnetic field pattern of the antenna, …
Date:
January 1, 1989
Creator:
Caughman, J. B. O., II; Ruzic, D. N.; Hoffman, D. J.; Langley, R. A.; Lewis, M. B.; Ryan, P. M. (Illinois Univ., Urbana, IL (USA) et al.
Object Type:
Article
System:
The UNT Digital Library
Barriers to the nucleation of methyl groups on the diamond (111) surface
Questions about the mechanism of diamond film growth by low-pressure, plasma-assisted chemical vapor deposition methods have persisted for some time now. As an attempt to explore one aspect of the problem, we examine the energetics of several adsorbed diamond (111) surfaces. The adsorbates are mixtures of methyl groups and hydrogen atoms. The model for these systems is the molecular orbital hamiltonian of Dewar and coworkers. From these calculations we find that H adsorbtion is preferred due both to bond energy and steric effects. Thus nucleation of a cluster of three or more methyl groups, as assumed in earlier work, is energetically very demanding. 6 refs., 3 figs.
Date:
January 1, 1989
Creator:
Valone, S.M.
Object Type:
Article
System:
The UNT Digital Library
The Bronco, Yearbook of Hardin-Simmons University, 1989
Yearbook for Hardin-Simmons University in Abilene, Texas includes photos of and information about the university, student body, professors, and organizations.
Date:
1989
Creator:
Hardin-Simmons University
Object Type:
Yearbook
System:
The Portal to Texas History
Bulletin of the Texas Archeological Society, Volume 59, 1988
Annual journal of the Texas Archeological Society documenting research and findings of members as well as activities of the organization.
Date:
1989
Creator:
Texas Archeological Society
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Catalog of Abilene Christian University, 1989-1990
Undergraduate catalog describes the governance, history, academic programs, course descriptions, and campus life of Abilene Christian University in Abilene, Texas.
Date:
1989
Creator:
Abilene Christian University
Object Type:
Book
System:
The Portal to Texas History
Chickasha Daily Express (Chickasha, Okla.), Vol. 97, No. 251, Ed. 1 Sunday, January 1, 1989
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 1, 1989
Creator:
Drew, Charles C.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Christian Chronicle (Oklahoma City, Okla.), Vol. 46, No. 1, Ed. 1 Sunday, January 1, 1989
Monthly newspaper from Oklahoma City, Oklahoma that includes news and information about the Churches of Christ along with advertising.
Date:
January 1, 1989
Creator:
Norton, Howard W. & McMillion, Joy L.
Object Type:
Newspaper
System:
The Portal to Texas History
College of Music program book 1988-1989 Vol. 1
Fall/Spring performances program book from the 1988-1989 school year at the University of North Texas College of Music.
Date:
1989
Creator:
University of North Texas. College of Music.
Object Type:
Book
System:
The UNT Digital Library
Concept for simultaneous acceleration/deceleration of heavy ions in a single rf linac
This paper outlines a concept for obtaining highly-stripped low- velocity heavy ions by accelerating an ion beam with an rf linac and then, after stripping, using the same linac to reversibly decelerate the beam back to the injection energy. The synchronous-phase requirement and the matching relationship in longitudinal phase space are stated, and a realistic example of these relationships is given for a /sup 58/Ni beam. The probable performance characteristics of the ATLAS superconducting linac operated in this new accel/decel mode are discussed. 11 refs., 2 figs.
Date:
January 1, 1989
Creator:
Bollinger, L.M.
Object Type:
Report
System:
The UNT Digital Library
Core evolution: Emergence of cooperative structures in a computational chemistry
We have developed an artificial ecology in the computer core, where one is able to evolve assembler-automaton code without any predefined evolutionary path. The system, in the present version has one dimension, is updated in parallel, the instructions are only able to communicate locally, and the system is continuously subjected to noise. The system also has a notion of computational resources. Depending on the specified parameters and the level of complexity of distance from a randomized core, this electronic garden is started at, we see different evolutionary paths. For several initial conditions the system is able to develop extremely viable cooperative programs (organisms ) which totally dominates the core. This demonstrates the emergence of complex functional properties in a computational environment. 21 refs., 7 figs., 2 tabs.
Date:
January 1, 1989
Creator:
Rasmussen, S.; Feldberg, R.; Hindsholm, M. & Knudsen, C.
Object Type:
Article
System:
The UNT Digital Library
DGS Newsletter, Number 110, January 1989
Newsletter of the Dallas Genealogical Society discussing membership, Society meetings, genealogical workshops and events, and other news of interest to members.
Date:
January 1989
Creator:
Dallas Genealogical Society
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Environmental Guidance Program Reference Book: Endangered Species Act and the Fish and Wildlife Coordination Act. Revision 5
The Endangered Species Act and the Fish and Wildlife Coordination Act are major federal statutes designed to protect plant and animal resources from adverse effects due to development projects. Both Acts require consultation with wildlife authorities prior to committing resources to certain types of projects. The purposes and requirements of the two statutes are summarized in the following subsections. Also presented is a list of contacts in the regional and field offices of the US Fish and Wildlife Service.
Date:
January 1, 1989
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Faculty Publications and Artistic Productions 1989
Bibliographic listing of all publications, artistic works, and exhibitions by faculty at Midwestern State University as of 1989, listed alphabetically by name.
Date:
1989
Creator:
Midwestern State University (Wichita Falls, Tex.)
Object Type:
Book
System:
The Portal to Texas History
FCC Record, Volume 4, No. 1, Pages 1 to 616, January 3 - January 13, 1989
Biweekly, comprehensive compilation of decisions, reports, public notices, and other documents of the U.S. Federal Communications Commission.
Date:
January 1989
Creator:
United States. Federal Communications Commission.
Object Type:
Book
System:
The UNT Digital Library
FCC Record, Volume 4, No. 2, Pages 617 to 1178, January 17 - January 27, 1989
Biweekly, comprehensive compilation of decisions, reports, public notices, and other documents of the U.S. Federal Communications Commission.
Date:
January 1989
Creator:
United States. Federal Communications Commission.
Object Type:
Book
System:
The UNT Digital Library
Final Report to the President: National Consumers Week, Apr. 24-30, 1988
This document is a report to former President Ronald Reagan about the success of National Consumers Week, which took place April 24 through April 30, 1988.
Date:
1989
Creator:
Knauer, Virginia H.
Object Type:
Report
System:
The UNT Digital Library
Fire and explosion hazards of oil shale
The US Bureau of Mines publication presents the results of investigations into the fire and explosion hazards of oil shale rocks and dust. Three areas have been examined: the explosibility and ignitability of oil shale dust clouds, the fire hazards of oil shale dust layers on hot surfaces, and the ignitability and extinguishment of oil shale rubble piles. 10 refs., 54 figs., 29 tabs.
Date:
January 1, 1989
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Fourteenth workshop geothermal reservoir engineering: Proceedings
The Fourteenth Workshop on Geothermal Reservoir Engineering was held at Stanford University on January 24--26, 1989. Major areas of discussion include: (1) well testing; (2) various field results; (3) geoscience; (4) geochemistry; (5) reinjection; (6) hot dry rock; and (7) numerical modelling. For these workshop proceedings, individual papers are processed separately for the Energy Data Base.
Date:
January 1, 1989
Creator:
Ramey, H. J., Jr.; Kruger, P.; Horne, R. N.; Miller, F. G.; Brigham, W. E. & Cook, J. W.
Object Type:
Article
System:
The UNT Digital Library
The Growl, Yearbook of Texas Lutheran College: 1989
Yearbook for Texas Lutheran College in Seguin, Texas including photos of and information about the university, student body, professors, and organizations.
Date:
1989
Creator:
Texas Lutheran College
Object Type:
Yearbook
System:
The Portal to Texas History