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Events of importance for week ending March 30, 1949

Description: This report details events of importance reported by the Hanford Operations Office for the week ending March 30, 1949.
Date: April 1, 1949
Creator: Schlemmer, F. C.
Partner: UNT Libraries Government Documents Department

A study of proposed semi-parallel and complete parallel operations of the Canyon and concentration Buildings, 200 Areas

Description: Due to a forecasted increase in pile area production as well as a possible decrease in batch size of the separations process, an increase in the capacities of the separations plants is indicated. It is the purpose of this report to review this relationship in the light of existing data and to determine how this additional capacity can best be attained through the use of either the proposed semiparallel or complete parallel methods of operation. Emphasis will necessarily be given to consideration of cost, timing, use of minimum buildings and equipment, and the obtaining of optimum production time cycles.
Date: April 14, 1949
Creator: Hollenbach, S. A.
Partner: UNT Libraries Government Documents Department

Redox Committee: Conference notes and recommendations, meeting of April 11, 1949

Description: This report discusses recommendations for development work on the Redox Production Plant. It contains an outline for a relationship procedure between the architect engineer and General Electric Design Division; preparation of a material balance and process flow; the preparation of engineering flow diagrams, including lists of standard symbols for these diagrams; a material and equipment list; a project cost estimate; and Procedures covering institution and execution of work involving studies by the Design and Construction Division.
Date: April 11, 1949
Creator: Greager, O. H.; MacCready, W. K. & Seckendorff, E. W.
Partner: UNT Libraries Government Documents Department

Hanford Works monthly report, March 1949

Description: This is a progress report of the production reactors on the Hanford Reservation for the month of March 1949. This report takes each division (e.g. manufacturing, medical, accounting, occupational safety, security, reactor operations, etc.) of the site and summarizes its accomplishments and employee relations for that month. (MB)
Date: April 19, 1949
Creator: Prout, G. R.
Partner: UNT Libraries Government Documents Department

Redox Committee: Conference notes and recommendations, April 5, 1949

Description: The notes and recommendations contained in this report relate to the design and construction of the Redox Production Plant with its associated Tank Farm at Hanford. All current development work for the Redox Program was to be transferred to the Redox Production Plant. [The Redox plant used a reduction-oxidation process for fuel separation that allowed recovery of uranium as well as plutonium for the first time. It succeeded earlier plants (T and B) that used methods based on the bismuth phosphate process that recovered only plutonium.]
Date: April 5, 1949
Creator: Greager, O. H.; MacCready, W. K. & Seckendorff, E. W.
Partner: UNT Libraries Government Documents Department

P Division monthly report, March 1949

Description: This progress report discusses activities at P Division for the month of March, 1949. All piles operated at 275 megawatts throughout the month except for the outages listed under Area Activities in this report. The average time operating efficiency''was 91.4%. A total of 47 tons of metal was discharged from the piles during the month. During the month, 16.6 tons of alpha-rolled, triple-dipped metal were discharged without difficulty at a nominal concentration of 320 megawatts day (MWD) per ton. Inspection of selected tubes of this material indicated that exposures at this level are satisfactory. In view of these results the programs of stepwise increases in concentration will be continued, with the next test tonnages being discharged at a nominal concentration of 360 MWD per ton. The nominal monthly production rate of acceptable canned pieces was reduced from 90 tons to 60 tons on March 28. This curtailment of production was possible in view of the favorable inventory of slugs available for charging DR and H piles.
Date: April 14, 1949
Creator: Lee, E.P.
Partner: UNT Libraries Government Documents Department

The Machinability of Beryllium

Description: The following report investigates the isolation of the cause of the unusual tool-wear rates found in machining beryllium as attributed to an inherent characteristic of beryllium, or an effect of inclusions in beryllium, as well as the evaluation of the comparative machinability of the various types of beryllium.
Date: April 30, 1949
Creator: Armstrong, E. T.; Dayton, Russell Wendt & Dawes, R. C.
Partner: UNT Libraries Government Documents Department

Summary of Research on Experimental Refractory Bodies of High-Melting Nitrides, Carbides, and Uranium Dioxide

Description: Abstract: A procedure for the preparation of the nitrides and carbides of several metals and the preparation of the refractory bodies from them is described. The investigation shows that reasonably strong and dense bodies can be prepared from these materials as well as from UO₂. Evidence showing the tendency toward instability at high temperatures of Be₃N₂, TaN, and ThN is presented. Evidence is also given indicating that the hexagonal structure reported by others for TaN is actually that for Ta₂N. A lattice for Th₂N₃ is proposed. The melting points of ThN, UN, and UC are determined to be 2630 ± 50°C,2650 ± 100°C, and 2590 ± 50°C respectively.
Date: April 23, 1949
Creator: Chiotti, P.
Partner: UNT Libraries Government Documents Department

The Critical Mass of a Spherical Reactor with Variable Intrinsic Buckling

Description: Abstract: "The critical mass both of an untamped and water-tamped sphere with parabolic radial variation of the intrinsic buckling is calculated by a perturbation method. The result is applied to finding the minimum critical mass of plutonium in water suspension with infinite water temper; the calculations show that the minimum critical mass at constant concentration may be reduced by an amount of the order of 7.6% when the concentration of plutonium is permitted to vary throughout the suspension."
Date: April 28, 1949
Creator: Muller, G. M.
Partner: UNT Libraries Government Documents Department

Corrosion Tests on Carboloy in Redox Process Solutions

Description: Introduction: Static, total immersion corrosion tests were carried out at room temperatures with Carboloy grades 44-A, 78, 907, X-3119-A and X-3119-B in Redox process solutions (ANL, June 1, 1949 Flowsheet) 1AX, 1AF, and 1AS.
Date: April 6, 1949
Creator: Koenig, W. W.
Partner: UNT Libraries Government Documents Department

THE HEAT CAPACITY OF BERYLLIUM CARBIDE POWDER IN STAINLESS STEEL CAPSULES AS A FUNCTION OF TEMPERATURE (400-1800 F)

Description: The mean heat capacity of a sample of powdered beryllium carbide, a possible moderator material for a nuclear reactor, was determined as a function of temperature. A thin-walled stainless steel capsule containing the material was heated in an electric furnace and dropped into a water calorimeter. The following linear equation for mean heat capacity over the temperature range 50 f C-T f C as a function of temperature, T, was derived from the data by the method of least squares: C/sub p/ = 0.299 + 2.16 x 10/sup -4/ T f C el temperatures 0.005 cal gm/sup -1/( f C)/sup -1/. The numerical value of C/sub p/ expressed by this equation is also equal to the mean heat capacity in Btu lb/sup -1/( f F)/sup -1/. (auth)
Date: April 20, 1949
Creator: Powers, H.; Kostigen, T. & Trice, J.B.
Partner: UNT Libraries Government Documents Department

THE HEAT CAPACITY OF U$sub 3$O$sub 8$ POWDER AS A FUNCTION OF TEMPERATURE (400-1800 F)

Description: The mean heat capacity of a sample of powdered U/sub 3/O/sub 8/ was determined as a function of temperature from measurements of heat content. A thin-walled nickel capsule containing the material was heated in an electric furnace and dropped into a water calorimeter The Mean heat capacity values calculated from the experimental data were nearly constant over the temperature range, room temperture to 250-975 deg C (482-1790 deg F). The average value was 0.074 plus or minus 0.004 cal gm/sup -1EDE/C/sup -2/ (0.074 plus or minus 0.004 Btu lb/sup -1 deg F/du p -1/). From 975-1100 deg C (1790-2012 deg F) a small rise was observed. (auth)
Date: April 26, 1949
Creator: Powers, H.; Welch, F. & Trice, J.B.
Partner: UNT Libraries Government Documents Department

A Preliminary Outline of Desirable Research in the Geochemistry of Uranium

Description: Report outlining fields of study for a program of research in the geochemistry of uranium. From Abstract: "Various specific topics and projects that apply to these fields of study are suggested."
Date: April 1949
Creator: Rabbitt, J. C.; Rubey, W. W.; Butler, A. P., Jr.; Lovering, T. S. & McKelvey, V. E.
Partner: UNT Libraries Government Documents Department

Equations of State of Elements Based on the Generalized Fermi-Thomas Theory

Description: The Fermi-Thomas model has been used to derive the equation of state of matter at high pressures and at various temperatures. Calculations have been carried out both without and with the exchange terms. Discussion of similarity transformations lead to the virial theorem and to correlation of solutions for different Z-values.
Date: April 30, 1949
Creator: Feynman, R.P.; Metropolis, N. & Teller, E.
Partner: UNT Libraries Government Documents Department

The Effects of Roentgen Rays on Adult Trout

Description: No Description Available.
Date: April 30, 1949
Creator: Welander, A.D.; Donaldson, L.R.; R.F., Foster; Bonham, K.; Seymour, A.H. & Lowman, F.G.
Partner: UNT Libraries Government Documents Department

On closed shells in nuclei. II

Description: No Description Available.
Date: April 1, 1949
Creator: Mayer, M.G.
Partner: UNT Libraries Government Documents Department