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7,149 Matching Results
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[Rural School Supervisor's Report, Montgomery County District 15, February 1, 1922: Calman]
Report from the Texas Rural School Supervisor Sally Attwell on the Calman common school, stating that a personal visit was prevented by "impassable" roads and giving county superintendent P. R. Clarke's remarks on the school instead.
Date:
February 1, 1922
Creator:
Attwell, Sally
System:
The Portal to Texas History
[Rural School Supervisor's Report, Montgomery County District 15, February 1, 1922: Gilmore]
Report from the Texas Rural School Supervisor Sally Attwell on the Gilmore common school, stating that a personal visit was prevented by "impassable" roads and giving county superintendent P. R. Clarke's remarks on the school instead.
Date:
February 1, 1922
Creator:
Attwell, Sally
System:
The Portal to Texas History
[Rural School Supervisor's Report, Montgomery County District 15, February 1, 1922: Lost Prairie]
Report from the Texas Rural School Supervisor Sally Attwell on the Lost Prairie common school, stating that a personal visit was prevented by "impassable" roads and giving county superintendent P. R. Clarke's remarks on the school instead.
Date:
February 1, 1922
Creator:
Attwell, Sally
System:
The Portal to Texas History
[Rural School Supervisor's Report, Montgomery County District 15, February 1, 1922: Splendora]
Report from the Texas Rural School Supervisor Sally Attwell on the Splendora common school, stating that a personal visit was prevented by "impassable" roads and giving county superintendent P. R. Clarke's remarks on the school instead.
Date:
February 1, 1922
Creator:
Attwell, Sally
System:
The Portal to Texas History
A Method of Calculating the Ultimate Strength of Continuous Beams
The purpose of this study was to investigate the strength of continuous beams after the elastic limit has been passed. As a result, a method of calculation, which is applicable to maximum load conditions, has been developed. The method is simpler than the methods now in use and it applies properly to conditions where the present methods fail to apply.
Date:
February 1, 1930
Creator:
Newlin, J. A. & Trayer, George W.
System:
The UNT Digital Library
Comparative Tests of the Strength and Tightness of Commercial Flush Rivets of One Type and NACA Flush Rivets in Machine-Countersunk and Counterpunched Joints
Report discusses an investigation that was conducted to compare the strength and tightness of machine-countersunk flush-riveted joints assembled with NACA flush rivets and a type of commercial flush rivet. A comparison was also generated between the strength and tightness of counterpunched flush-riveted joints assembled with the same types of rivet. NACA's flush-riveted joints tended to be stronger and tighter than the commercial joints.
Date:
February 1, 1944
Creator:
Mandel, Merven W.
System:
The UNT Digital Library
Knock-limited performance of several internal coolants
The effect of internal cooling on the knock-limited performance of an-f-28 fuel was investigated in a CFR engine, and the following internal coolants were used: (1) water, (2), methyl alcohol-water mixture, (3) ammonia-methyl alcohol-water mixture, (4) monomethylamine-water mixture, (5) dimethylamine-water mixture, and (6) trimethylamine-water mixture. Tests were run at inlet-air temperatures of 150 degrees and 250 degrees F. to indicate the temperature sensitivity of the internal-coolant solutions.
Date:
February 1, 1944
Creator:
Bellman, Donald R. & Evvard, John C.
System:
The UNT Digital Library
Metallurgical Laboratory, Chemical Research - Radiation Chemistry, Report for the Period Ending January 15, 1945
Technical report with short reports covering (1) Effect of radiation on water and aqueous systems; (2) Effect of neutrons on graphite; (3) Effect of radiation on solid compounds; and (4) Scattering, stopping-power, ion-pair production, etc.
Date:
February 1, 1945
Creator:
Burton, Milton, 1902- & Allen, A. O. (Augustine O.)
System:
The UNT Digital Library
Metallurgical Laboratory, Physics Section, Report for the Month Ending January 31, 1945
Technical report with short reports from the (1) Physics Section I; (2) Physics Section II ; and (3) Physics Section III.
Date:
February 1, 1945
Creator:
Snell, A. H.; Nordheim, L. W. & Wollan, Ernest Omar
System:
The UNT Digital Library
METALLURGY OF TUBALLOY URANIUM . Progress Report
None
Date:
February 1, 1945
Creator:
unknown
System:
The UNT Digital Library
300 Area, January 22--January 28
Progress is reported on the topics of extrusion and canning. The information on canning is broken down into: Production test 313-74-M, studies of aluminium cans, selection of surface rejection standards, thorium, and the effect of high and low tin in bronze on tin carry-over to canning bath.
Date:
February 1, 1946
Creator:
unknown
System:
The UNT Digital Library
Chlorination of Tuballoy U Oxides With Thionyl Chloride. Summary Report
None
Date:
February 1, 1946
Creator:
McBee, E.T.; Pearce, D.W. & Mezey, R.
System:
The UNT Digital Library
The Determination of Tuballoy in the Presence of Thorium in Peroxide Effluents and Cakes
Abstract: "A polarographic method for the determination of tuballoy in thorium peroxide cakes in all sold medium was found to give satisfactory results. Fluorescent analyses on effluents containing thorium gave good results if the thorium content was kept below 1 mg/liter."
Date:
February 1, 1946
Creator:
Lasko, Wiliam. R. & Susano, C. D.
System:
The UNT Digital Library
High Frequency Induction Heating
Abstract: Equations are given to calculate at least approximately the heating in solid and hollow cylinders, slabs and spheres. Short and long cylinders are treated as well as short and long solenoids. The complicated mathematics used to derive the equations given will be omitted as they may be found in the original references. Heating with a spark gap converter is covered. Equations are given which together with some experimental data should enable the reader to predict the efficiency, heating, or temperature to be expected as the charge or coil is changed. Units and conversion factors are mentioned briefly.
Date:
February 1, 1947
Creator:
Bromley, LeRoy A.
System:
The UNT Digital Library
Impregnation of Graphite With Uranium Compounds for Use as Fuel Rod Materials
A process hns been developed for impregnating graphite with U/sub 3/O/ sub 8/ in connection with the proposed use of such material for fuel rod elements in the Daniels' High Temperature Pile. The process as developed consists of five steps: Fabrication of the graphite in the desired shape; Pretreatment of the graphite by boiling in water and then firing in helium at 800 deg C; Impregnating the graphite by first evacuating the pretreated material and then admitting an aqueous uranyl nitrate solution whose concentration is etermined by the final uranium content desired in the raphite; Drying the impregnated graphite slowly under quilibrium conditions; and Conversion of the uranyl itrate to U/sub 3/O/sub 8/ by firing in helium at 800 deg C. By this process fuel rod elements have been made which contain as much as 19% U/sub 3/O/sub 8/ distributed uniformly throughout the graphite. The considerations leading to the choice of this process are discussed in this report, together with the alternate procedures which were investigated. (auth)
Date:
February 1, 1948
Creator:
Kanter, M.A.
System:
The UNT Digital Library
Monthly Progress Report No. 58 for February 1948
This is a monthly progress report on the following programs: (1) 184-inch Cyclotron; (2) 60-inch Cyclotron; (3) Synchrotron; (4) Linear Accelerator; (5) Experimental Physics; (6) Theoretical Physics; (7) Isotope Research; (8) Chemistry; (9) Medical Physics; and (10) Health Physics and Chemistry.
Date:
February 1, 1948
Creator:
unknown
System:
The UNT Digital Library
On Closed Shells in Nuclei
It has been suggested in the past that special numbers of neutrons or protons in the nucleus form a particularly stable configuration.{sup1} The complete evidence for this has never been summarized, nor is it generally recognized how convincing this evidence is. That 20 neutrons or protons (Ca{sup40}) form a closed shell is predicted by the Hartree model. A number of calculations support this fact.{sup2} These considerations will not be repeated here. In this paper, the experimental facts indicating a particular stability of shells of 50 and 82 protons and of 50, 82, and 126 neutrons will be listed.
Date:
February 1, 1948
Creator:
Mayer, M. G.
System:
The UNT Digital Library
CHEMICAL PROCEDURES FOR THE DETERMINATION OF THORIUM IN MINERALS AND ORES
None
Date:
February 1, 1949
Creator:
Williams, A. F.
System:
The UNT Digital Library
Problems in Planning Facilities for Radiochemical Process Development
None
Date:
February 1, 1949
Creator:
Jealous, A C
System:
The UNT Digital Library
The Thermodynamic Properties and Equilibria at High Temperatures of the Compounds of Plutoniun
None
Date:
February 1, 1949
Creator:
Brewer, Leo; Bromley, LeRoy; Gilles, Paul W. & Lofgren, Norman L.
System:
The UNT Digital Library
A comparison of two methods for the spectrochemical analysis of plutonium
Report describing the methods, discrepancies, accuracy of methods, and conclusions of two different analytical methods of spectrochemical analysis of plutionium.
Date:
February 1, 1950
Creator:
Van Tuyl, H. H.
System:
The UNT Digital Library
Final Progress Report: Harvard University
None
Date:
February 1, 1950
Creator:
Silverman, L; First, M W; Reichenbach, Jr, G S & Drinker, P
System:
The UNT Digital Library
Final report -- Production Test No. 105-214-P, Silica feed elimination
None
Date:
February 1, 1950
Creator:
Conley, W. R.
System:
The UNT Digital Library
Monthly Report of Laboratory Activities February 1950
None
Date:
February 1, 1950
Creator:
unknown
System:
The UNT Digital Library