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The Tulia Herald (Tulia, Tex.), Vol. 78, No. 41, Ed. 1 Thursday, October 9, 1986
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
October 9, 1986
Creator:
Tooley, Wendell
Object Type:
Newspaper
System:
The Portal to Texas History
The Tulia Herald (Tulia, Tex.), Vol. 78, No. 40, Ed. 1 Thursday, October 2, 1986
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
October 2, 1986
Creator:
Tooley, Wendell
Object Type:
Newspaper
System:
The Portal to Texas History
A study of the effect of fabrication variables on the void content and quality of fuel plates
The control of void content and quality of dispersion type fuel plates fabricated for research and test reactors are issues of concern to plate fabricators. These two variables were studied by examining the data for various geometries of fuel plates fabricated at ANL. It was found that the porosity of a fuel plate can be increased by: (1) decreasing the fuel particle size, (2) increasing the fuel particle surface roughness, (3) increasing the matrix strength, (4) decreasing the rolling temperature, (5) decreasing the final fuel zone thickness, and (6) increasing the volume percentage of the fuel. Porosity formation is controlled by bulk movement and deformation and/or fracture of particles. The most important factor is the flow stress of the matrix material. Lowering the flow stress will decrease the plate porosity. The percentage of plates with fuel-out-of-zone is a function of the fuel material and the loading. The highest percentage of plates with fuel-out-of-zone were those with U3Si2 which is at this time the most commonly used silicide fuel.
Date:
October 1, 1986
Creator:
Wiencek, T.C.
Object Type:
Article
System:
The UNT Digital Library
TACB Bulletin, Number 4, October 31, 1986
Newsletter of the Texas Air Control Board including information about the Board as well as news, events, and other relevant information related to air quality in Texas.
Date:
October 31, 1986
Creator:
Texas Air Control Board
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Heber geothermal coupon analytical report: (Final technical report)
The objectives of this paper are: to determine the cause of accelerated metal loss from the loading edges (as relates to brine flow) of carbon steel coupons in the low temperature portion of the Heber brine loop; and to clarify the reason for the distinctly different morphology of attack on the A53B pipe steel compared to the sheet 1018 steel. 6 figs.
Date:
October 20, 1986
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
[Letter from the Sweetwater Chamber of Commerce to Margaret Hill, October 2, 1986]
Letter from the Sweetwater Chamber of Commerce to Margaret Hill thanking her for her efforts in making the WASP Reunion of 1986 a success. The letter is printed on the organization's letterhead.
Date:
October 2, 1986
Creator:
Sweetwater Chamber of Commerce
Object Type:
Letter
System:
The Portal to Texas History
The Bogata News (Bogata, Tex.), Vol. 76, No. 3, Ed. 1 Thursday, October 23, 1986
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
October 23, 1986
Creator:
Nichols, Nanalee & Nichols, Thomas
Object Type:
Newspaper
System:
The Portal to Texas History
The Bogata News (Bogata, Tex.), Vol. 75, No. 52, Ed. 1 Thursday, October 2, 1986
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
October 2, 1986
Creator:
Nichols, Nanalee & Nichols, Thomas
Object Type:
Newspaper
System:
The Portal to Texas History
The Bogata News (Bogata, Tex.), Vol. 76, No. 1, Ed. 1 Thursday, October 9, 1986
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
October 9, 1986
Creator:
Nichols, Nanalee & Nichols, Thomas
Object Type:
Newspaper
System:
The Portal to Texas History
The Bogata News (Bogata, Tex.), Vol. 76, No. 2, Ed. 1 Thursday, October 16, 1986
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
October 16, 1986
Creator:
Nichols, Nanalee & Nichols, Thomas
Object Type:
Newspaper
System:
The Portal to Texas History
The Bogata News (Bogata, Tex.), Vol. 76, No. 4, Ed. 1 Thursday, October 30, 1986
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
October 30, 1986
Creator:
Nichols, Nanalee & Nichols, Thomas
Object Type:
Newspaper
System:
The Portal to Texas History
Quantitative studies of Savannah River aquatic insects, 1959--1985
As part of a long-term study of water quality patterns, scientists from the Academy of Natural Sciences have collected aquatic insects from artificial substrates placed at several stations in Savannah River. This report presents the first detailed compilation and analysis of this substantial data base, and examines patterns of variations of insect distribution and abundance (both spatial and temporal) during the last quarter century. Data on the number of individuals of various taxa found in the insect traps were obtained from tables in the Academy's cursory reports. Computer data files created from these records were subjected to extensive statistical analyses in order to examine variation among stations, seasons and years in the abundances of major taxa and various aggregate properties of the insect assemblage. Although a total of 83 taxa were collected over the 27-year study, 10 taxa accounted for nearly 80% of the individuals collected from the traps, hence there 10 taxa were analyzed more intensively.
Date:
October 30, 1986
Creator:
Soltis, R. (ed.); Hart, D. & Nagy, T.
Object Type:
Report
System:
The UNT Digital Library
Extreme ultraviolet and soft x-ray diagnostics of high-temperature plasmas
This report describes recent progress and plans for calendar year 1987 in the Johns Hopkins University program to develop and improve spectroscopic diagnostics for the high temperature plasmas used in magnetic fusion research. An EUV spectrograph which provides time resolved spectra along fifteen chords of a plasma device has been completed and evaluation on DIII-D will began in late 1986. Other instrumentation work includes the evaluation of a sensitive detector for ion temperature/velocity distribution determinations and a feasibility study of Zeeman polarimetry for determining magnetic fields. A comprehensive data set taken on the TEXT tokamak is undergoing analysis as a means of improving the ionic parameters used in diagnostic studies and to expand the capabilities of existing instruments. Potential new advanced in spectroscopic technology are being monitored to determine if they provide advantages for fusion research.
Date:
October 2, 1986
Creator:
Moos, W.
Object Type:
Report
System:
The UNT Digital Library
Assessment of strength limiting flaws in ceramic heat exchanger components: Phase 1, Final report, September 28, 1984-June 30, 1986
Assurance of energy efficient design lifetimes of high temperature structural ceramics requires the ability to specify acceptance criteria and to test to those criteria. These criteria will be established through nondestructive testing, to determine which defects are detectable, together with fracture mechanics, to calculate effects of indetectable flaws. The first phase of this program is to examine heat exchanger material with four test methods which have shown promise for use in ceramics; ultrasonic scanning, microfocus x-ray, Scanning Laser Acoustic Microscope, and Acoustic Holography. The capabilities, limits, and potential for improvement of these are presented in this report. Destructive testing, material sectioning, and fractography are included. 24 refs., 68 figs., 6 tabs.
Date:
October 1, 1986
Creator:
Powers, T. & Snyder, J.
Object Type:
Report
System:
The UNT Digital Library
Biological Upgrading of Coal-Derived Synthesis Gas: Final Report
The technical feasibility of the biological conversion of coal synthesis gas to methane has been demonstrated in the University of Arkansas laboratories. Cultures of microorganisms have been developed which achieve total conversion in the water gas shift and methanation reactions in either mixed or pure cultures. These cultures carry out these conversions at ordinary temperatures and pressures, without sulfur toxicity. Several microorganisms have been identified as having commercial potential for producing methane. These include a mixed culture of unidentified bacteria; P. productus which produces acetate, a methane precursor; and Methanothrix sp., which produces methane from acetate. These cultures have been used in mixed reactors and immobilized cell reactors to achieve total CO and H/sub 2/ conversion in a retention time of less than two hours, quite good for a biological reactor. Preliminary economic projections indicate that a biological methanation plant with a size of 5 x 10/sup 10/ Btu/day can be economically attractive. 42 refs., 26 figs., 86 tabs.
Date:
October 1, 1986
Creator:
Barik, S.; Johnson, E. R.; Ko, C. W.; Clausen, E. C. & Gaddy, J. L.
Object Type:
Report
System:
The UNT Digital Library
Particle physics and cosmology
This series of lectures is about the role of particle physics in physical processes that occurred in the very early stages of the bug gang. Of particular interest is the role of particle physics in determining the evolution of the early Universe, and the effect of particle physics on the present structure of the Universe. The use of the big bang as a laboratory for placing limits on new particle physics theories will also be discussed. Section 1 reviews the standard cosmology, including primordial nucleosynthesis. Section 2 reviews the decoupling of weakly interacting particles in the early Universe, and discusses neutrino cosmology and the resulting limits that may be placed on the mass and lifetime of massive neutrinos. Section 3 discusses the evolution of the vacuum through phase transitions in the early Universe and the formation of topological defects in the transitions. Section 4 covers recent work on the generation of the baryon asymmetry by baryon-number violating reactions in Grand Unified Theories, and mentions some recent work on baryon number violation effects at the electroweak transition. Section 5 is devoted to theories of cosmic inflation. Finally, Section 6 is a discussion of the role of extra spatial dimensions in the …
Date:
October 1, 1986
Creator:
Kolb, E.W.
Object Type:
Article
System:
The UNT Digital Library
Two-phase computer codes for zero-gravity applications
This paper discusses the problems existing in the development of computer codes which can analyze the thermal-hydraulic behavior of two-phase fluids especially in low gravity nuclear reactors. The important phenomenon affecting fluid flow and heat transfer in reduced gravity is discussed. The applicability of using existing computer codes for space applications is assessed. Recommendations regarding the use of existing earth based fluid flow and heat transfer correlations are made and deficiencies in these correlations are identified.
Date:
October 1, 1986
Creator:
Krotiuk, W.J.
Object Type:
Article
System:
The UNT Digital Library
[Clipping: Careers fly high for B&PW guests]
Newspaper clipping of an article about former aviator Eleanor "Mickey" McLernon Brown meeting Lt. Liz Steinecker, at a meeting of the Business and Professional Women's Luncheon Club. The article includes a photograph of Brown and Steinecker standing together. There are wedding announcements and local event news on the back of the clipping.
Date:
October 23, 1986
Creator:
unknown
Object Type:
Clipping
System:
The Portal to Texas History
Probing the W-Z-Higgs Sector of Electroweak Gauge Theories at the Superconducting Super Collider
We review and summarize the procedures for exploring at the SSC the W-Z-Higgs sector of SU(2)/sub L/ x U(1) and extended gauge theory versions thereof, including supersymmetric and left-right symmetric models.
Date:
October 1, 1986
Creator:
Gunion, J. F.
Object Type:
Article
System:
The UNT Digital Library
Neutrinos in supernovae
The role of neutrinos in Type II supernovae is discussed. An overall view of the neutrino luminosity as expected theoretically is presented. The different weak interactions involved are assessed from the standpoint of how they exchange energy, momentum, and lepton number. Particular attention is paid to entropy generation and the path to thermal and chemical equilibration, and to the phenomenon of trapping. Various methods used to calculate the neutrino flows are considered. These include trapping and leakage schemes, distribution-averaged transfer, and multi-energy group methods. The information obtained from the neutrinos caught from Supernova 1987a is briefly evaluated. 55 refs., 7 figs.
Date:
October 1, 1986
Creator:
Cooperstein, J.
Object Type:
Article
System:
The UNT Digital Library
Rayleigh-Taylor instability in compressible fluids: Final report for the period 1 October 1985-30 September 1986
The purpose of this research program is to investigate fluid dynamic instabilities and mixing initiated by the interaction of shock waves with interfaces between light and heavy gases. In particular, the nonlinear stage of shock-initiated Rayleigh-Taylor instability (also known as the Richtmeyer-Meshkov instability), the secondary instabilities (e.g., the Kelvin-Helmholtz instability) arising therefrom and the resulting mixing of the two gases are of interest. This report describes activities during the performance period 1 October 1985 to 30 September 1986.
Date:
October 7, 1986
Creator:
Sturtevant, B.
Object Type:
Report
System:
The UNT Digital Library
Workshop on nuclear structure at moderate and high spin: Slide report
The workshop was scheduled to coincide with the beginning of operation of a number of large arrays of Compton-suppressed germanium detectors. The workshop was divided into 14 sessions containing 3 presentations each. The topics of these sessions were superdeformation, heavy rare earths, single-particle configurations, band termination, continuum properties, light rare-earths, new techniques, high temperatures, transfer reactions, transition region, shapes, lifetimes, and moments. This publication consists of the slides used in all of the presentations at the workshop.
Date:
October 1, 1986
Creator:
unknown
Object Type:
Article
System:
The UNT Digital Library
Reservoir studies of the Seltjarnarnes geothermal field, Iceland
The Seltjarnarnes geothermal field in Iceland has been exploited for space heating for the last 16 years. A model of the field has been developed that integrates all available data. The model has been calibrated against the flow rate and pressure decline histories of the wells and the temperature and chemical changes of the produced fluids. This has allowed for the estimation of the permeability and porosity distribution of the system, and the volume of the hot reservoir. Predictions of future reservoir behavior using the model suggest small pressure and temperature changes, but a continuous increase in the salinity of the fluids produced.
Date:
October 1, 1986
Creator:
Tulinius, H.; Spencer, A.L.; Bodvarsson, G.S.; Kristmannsdottir, H.; Thorsteinsson, T. & Sveinbjornsdottir, A.E.
Object Type:
Article
System:
The UNT Digital Library
Nuclear physics with internal targets in electron storage rings
Two key experiments in nuclear physics will be discussed in order to illustrate the advantages of the internal target method and demonstrate the power of polarization techniques in electron scattering studies. The progress of internal target experiments will be discussed and the technology of internal polarized target development will be reviewed. 43 refs., 11 figs.
Date:
October 24, 1986
Creator:
Holt, R.J.
Object Type:
Article
System:
The UNT Digital Library