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A Discussion on the Layout of Elements of a Control Panel
This memorandum is an outline of the principles and methods employed by 5100 Human Engineering Personnel in consultation on test equipment panel layout. The process of control panel layout is partially formalized with particular emphasis on test equipment panels. An experimental method is proposed for selecting an optimum panel layout. The essential role of experimentation is pointed out. The optimal layout for a nonrepetitive procedure is deduced and generalized to give methods of layout solution for the general repetitive procedure.
Date:
August 1, 1955
Creator:
Beeler, J. R.
Object Type:
Report
System:
The UNT Digital Library
Underground Movement of Radioactive Wastes
The theory and preliminary laboratory investigations presented in this technical report were intended to examine the general feasibility of injection disposal of radioactive wastes and to establish an understanding of the phenomena governing the travel of trace chemicals through natural porous media. Detailed studies of fluid velocity variations resulting from density differences between the injected and displaced liquids have been made. the ion exchange studies have been limited to strontium and calcium. Strontium 90 is considered to be the most hazardous of the fission products and should represent the radioisotope upon which to judge the merits of injection disposal. Consideration should also be given to cesium in evaluation the health hazards of injection disposal.
Date:
August 1, 1955
Creator:
Kaufman, Warren J., 1922-; Orcutt, Richard G., 1924- & Klein, Gerhard, 1918-1987
Object Type:
Report
System:
The UNT Digital Library
Full Text of the Game, Fish, and Oyster Laws of Texas, August 1935
Text of laws governing fishing and oyster culture, as well as regulation by the Game, Fish, and Oyster Commission. Index starts on page 187.
Date:
August 1, 1935
Creator:
Texas. Game, Fish, and Oyster Commission.
Object Type:
Book
System:
The Portal to Texas History
Beyond the Numbers, Volume 1, Number 3, August 1996
Periodic paper series discussing information about occupational training, labor markets, and related information in Texas. This issue focuses on bridging the gap between empirical, factual labor market statistics and concrete recommendations for developing a lifelong career strategy.
Date:
August 1, 1996
Creator:
Froeshchle, Richard & Anderberg, Marc
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Bulletin on Texas State Finance: 1986, Number 2
Periodic bulletin analyzing issues related to Texas legislation. This issue focuses on budget cuts.
Date:
August 1, 1986
Creator:
Texas Research League
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The ECHO, Vol. 93, No. 7, Ed. 1 Sunday, August 1, 2021
Monthly newspaper produced for inmates in the Texas criminal justice system containing news stories, policy updates, opinion pieces, creative works, and other information.
Date:
August 1, 2021
Creator:
Texas. Department of Criminal Justice.
Object Type:
Newspaper
System:
The Portal to Texas History
The ECHO, Vol. 90, No. 6, Ed. 1 Wednesday, August 1, 2018
Monthly newspaper produced for inmates in the Texas criminal justice system containing news stories, policy updates, opinion pieces, creative works, and other information.
Date:
August 1, 2018
Creator:
Texas. Department of Criminal Justice.
Object Type:
Newspaper
System:
The Portal to Texas History
Chapter 572, [Texas] Government Code: Personal Financial Disclosure, Standards of Conduct, and Conflict of Interest
Booklet providing the text from the Texas government code specifically related to conflicts of interest and personal ethics for state officers and employees.
Date:
August 1, 2019
Creator:
Texas Ethics Commission
Object Type:
Pamphlet
System:
The Portal to Texas History
Particle Accelerators
The principal types of particle accelerators are described briefly according to operation and history. Known operating particle accelerators are listed with their pertinent dimensions.
Date:
August 1, 1960
Creator:
Gordon, Hayden S. & Behman, Gerald A.
Object Type:
Report
System:
The UNT Digital Library
Thermal Decomposition of Plutonium (IV) Oxalate and Hydrofluorination of Plutonium (IV) Oxalate and Oxide
The work described in this report was done to determine the path of decomposition of plutonium (IV) oxalate and to determine the factors affecting the reactivity of the oxide with the hydrogen fluoride.
Date:
August 1, 1956
Creator:
Myers, M. N.
Object Type:
Report
System:
The UNT Digital Library
Irradiation of U-Mg Matrix Fuel Materials to High Exposures
An experiment designed to evaluate the in-pile performance of the U-Mg fuel material when irradiated to high burnups has been completed. Twelve specimens of the fuel material which contained uranium particles that packed 50 volume per cent, (91.5 weight per cent), uranium in a magnesium matrix were canned in Zircaloy cans and irradiated in the Materials Testing Reactor to 0.1 (1000 MWD/T), 0.3 (5000 MWD/T), 1.0 (10000 MWD/T) and 2.0 20000 MWD/T) per cent burnup of the total uranium atoms; more exactly, 1 MWD/T = 1.16 x 10⁻⁴ per cent burnup of the total uranium atoms. Irradiation of the twelve capsules began on August 1, 1954. The burnup figures used in this report are calculated values assuming a conversion ratio for the capsules of 1.0. Because of the lack of confirmed experimental burnup data for exposures of this magnitude, there is a possible error in the calculated values of about 20 per cent at 2.0 per cent burnup. However, recent results based on chemical analysis for cesium indicate that the calculated values of burnup agree quite closely for the higher exposures. Burnup estimates based on the results of the chemical analysis will be published when they become available. Six of …
Date:
August 1, 1956
Creator:
Freshley, M. D. & Last, G. A.
Object Type:
Report
System:
The UNT Digital Library
A Large Area Alpha Scintillation Probe
An Alpha Scintillation Probe for use with the HAPO Cart Poppies has been designed to replace the air proportional probes presently used. The new probe has an average geometry of about 15 or 16 percent over an effective probe area of 23.4 in². Stability of operation under normal conditions of vibrations, humidity and temperature are inherent qualities and the average background count is stable at about two counts per minute. The high voltage used is in the order of 1,200 to 1,250 volts with a current requirement of 100 microamperes.
Date:
August 1, 1955
Creator:
Spear, W. G.
Object Type:
Report
System:
The UNT Digital Library
Surface Structure of Pile Irradiated 2S Aluminum
The surfaces of cold rolled, half hard, nitric acid treated, autoclave etched, 2S aluminum coupons were studied by optical and electronoscopic methods, before and after exposure to hot water alone and hot water and neutron bombardment. The non-exposed aluminum surfaces have a characteristic pattern which is absent in the exposed coupons. All of the exposed coupons were corroded. In general the coupons exposed to the higher flux intensities of irradiation were more severely corroded than those exposed to the lower flux intensities of irradiation or to the hot water alone. Representative photo-and electron micrographs illustrate the various types of surface structure observed on the control and experimental coupons.
Date:
August 1, 1955
Creator:
Borasky, R. & Mastel, B.
Object Type:
Report
System:
The UNT Digital Library
A Simplified Description of Spherical and Cylindrical Blast Waves
"Investigations into the behavior of the gas flow behind spherical or cylindrical blasts have shown that secondary shocks arise within the original detonation gases. The secondary shock, at first weak, is carried outward with the expanding gases. Subsequently it strengthens and bends back toward the origin, arriving there with high intensity. By using some recently developed techniques in shock dynamics a theory is developed by which the motion of the main shock wave, as well as the formation and subsequent motion of the secondary shock, are given by explicit formulae."
Date:
August 1, 1960
Creator:
Friedman, M. P.
Object Type:
Report
System:
The UNT Digital Library
Measurement of the Wolfenstein Parameter R at 210 Mev.
"Recent theoretical advances in describing the nucleon-nucleon interaction (particularly in the T=1 state) have emphasized the importance of obtaining an unambiguous experimental determination of the scattering matrix so that the nuclear phase shifts and details of the nuclear potential may be revealed. It is possible to select five experiments, the results of which, in principle at least, determine the scattering matrix and phase shifts uniquely at one energy. Two of these experiments, the cross section and polarization over the angular range of 0 to 90 degrees in the center of mass system, have been made at the University of Rochester at a laboratory energy of about 210 Nev."
Date:
August 1, 1960
Creator:
Gibson, W. A.; England, A. C. (Alan Coulter), 1932-; Heer, E. & Tinlot, J. H.
Object Type:
Report
System:
The UNT Digital Library
Sodium Graphite Reactor, Quarterly Progress Report, December 1953 - February 1954
"Engineering pertinent to the development of the sodium-cooled, graphite-moderated type of reactor was continued. This included work on problems related to the zirconium canned moderator, low enrichment uranium fuel, sodium piping, secondary coolant system, shielding, and the control and safety elements. A large fraction of the work was devoted specifically to problems of the proposed Sodium Reactor Experiment (SRE) configuration. In this connection, an integrated effort was initiated to prepare a complete preliminary design of the SRE by an early date. In addition, two alternate sodium-graphite reactor configurations were studied. One was an intermediate size, 145 thermal megawatt, unit optimized for the production of low cost plutonium. The second was a low power 10 thermal megawatt intended for power production, but in which sodium circulation through the core was entirely dependent upon thermal convection."
Date:
August 1, 1954
Creator:
Inman, G. M.
Object Type:
Report
System:
The UNT Digital Library
Separations Chemistry, Quarterly Progress Report, January-March 1954
"Scale-up work on high temperature fuel recovery processes has progressed to the point where the (high temperature) vacuum furnace for several operations to the hot cells has been completed and tested under operating conditions. Small scale experiments on high temperature methods for processing molten irradiated uranium fuel have been made with spent X-10 fuel slug pieces. The results of direct Pu evaporation, treatment with fused fluorides and oxide scavenging were every similar to those found with tracer experiments."
Date:
August 1, 1954
Creator:
Motta, E. E.; Bareis, D. W. & Cubicciotti, D.
Object Type:
Report
System:
The UNT Digital Library
Chemistry Division, Section C-1, Summary Report for April, May, And June 1952
Report describing the research and development activities related to nuclear chemistry and radiochemistry and basic chemistry conducted by the Argonne National Laboratory Chemistry Division, Section C-1.
Date:
August 1, 1952
Creator:
Osborne, D. W.
Object Type:
Report
System:
The UNT Digital Library
Effect of Annealing Media on the Mechanical Properties of Uranium
The annealing or heat treatment of uranium in any medium other than a good vacuum or purified helium atmosphere, will lower the room temperature properties of ultimate strength, hardness and elongation. In general, the elongation of vacuum annealed uranium exceeds considerably the elongation of air or salt annealed uranium. Any annealing medium which permits contact of the uranium metal with atmospheric gases tends to produce low elongation and ductility and a lowering of the ultimate strength. The above is true for uranium in any solid form, whether it is rolled sheet, cast bars or plates, rolled rod, or extruded shapes. Annealing in the molten salt bath (65% potassium carbonate and 35% lithium carbonate), which is used by Los Alamos and other laboratories concerned with the fabrication of uranium, produces the lowest elongation or ductility and ultimate strength when compared to similar properties of metal annealed in the other media examined. Mass spectrometer analyses of the dissolved gases present in high ductility and low ductility uranium indicate that dissolved hydrogen is probably the chief cause of low physical properties.
Date:
August 1, 1953
Creator:
Hanks, G. S.; Taub , J. M. & Doll , D. T.
Object Type:
Report
System:
The UNT Digital Library
Fusion Welding of Uranium
A technique for the fusion welding of uranium has been under development and several methods of fusion welding have been investigated. The inert gas, shield arc method has proven to be the most satisfactory of the processes thus far examined. Uranium properly weld by this method was free from porosity, cracks, and oxide inclusions. Certain precautions and some special techniques were required to make good welds.
Date:
August 1, 1952
Creator:
Nelson, V. G.; Taub, J. N. & Dell, D. T.
Object Type:
Report
System:
The UNT Digital Library
The Synthetic Liquid Fuel Potential of Mississippi
Report documenting the suitability of Mississippi for plant locations to produce synthetic liquid fuels, based on raw materials, water sources, and local interest.
Date:
August 1, 1950
Creator:
Ford, Bacon, and Davis
Object Type:
Report
System:
The UNT Digital Library
Ant Trap
Patent for an ant trap designed as a ring-shaped trough and which allows for the drainage of rainwater through a pipe fitted with a porous plug. Both walls of the trough are capped with inward and downward curved flanges.
Date:
August 1, 1922
Creator:
Scrivner, Jefferson Davis
Object Type:
Patent
System:
The Portal to Texas History
Air Cycle.
Patent for a pedal power "aeroplane" (line 9) with improvements to driving pedals and controlling the flight path.
Date:
August 1, 1922
Creator:
Kinnard, Laban B.
Object Type:
Patent
System:
The Portal to Texas History
Hydrogeochemical and Stream-Sediment Survey : Preliminary Report on the Smoke Creek Desert Basin Pilot Study (Nevada)
This report follows the hydrogeochemical and stream-sediment study in the Smoke Creek Desert Basin in Nevada that was conducted by the Lawrence Livermore Laboratory. This report contains only the analytical data and sample locations.
Date:
August 1, 1976
Creator:
Lawrence Livermore Laboratory
Object Type:
Report
System:
The UNT Digital Library