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100 Areas technical activities report -- Engineering, June, 1948

Description: This report covers work done by the Pile Engineering Groups and work done on special assignments. Topics covered include: slug blistering and corrosion; graphite allocation to DR pile; slug molding; segmental discharge; Van Stone corrosion; flow laboratory modifications; downcomer at B pile; downcomer at D pile; annealing of pile graphite; replacement of pile atmosphere with CO{sub 2}; unit motion; beta experiment; can opening; slug annealing; new technical building, 300 area; and ruptured slug… more
Date: July 19, 1948
Creator: Woods, W. K.
Partner: UNT Libraries Government Documents Department
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Production of Ta{sup 182}

Description: This memorandum discusses briefly and approximately the two extreme programs which could be followed in the production of Ta{sup 182}: the use of present available excess reactivity, and the use of a pile, continuing no U{sup 238}, expressly to produce Ta{sup 182}. Use of lesser amounts of enriched material would achieve lesser production rates. The cost in fissionable material per gram of active isotope would remain approximately the same.
Date: July 8, 1948
Creator: Gast, P. F.
Partner: UNT Libraries Government Documents Department
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Conversations regarding RW

Description: No Description Available.
Date: July 6, 1948
Creator: Gast, P. F.
Partner: UNT Libraries Government Documents Department
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Final report on Production Test 105-58-P -- B Pile reactivity under shutdown conditions

Description: Following the shutdown of the B Pile in March 1946 a method was devised for monitoring the sub-critical reactivity such that any significant change in neutron flux would be detected. This report summarizes the status of the unit until its start up in July 1948.
Date: July 19, 1948
Creator: Kruesi, F. E.
Partner: UNT Libraries Government Documents Department
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Sand filter pilot proposal

Description: This report is a short communication concerning the performance of pilot plant sand filters at Building 292-B at Hanford Atomic Products Operation. (VC)
Date: July 15, 1948
Creator: Stainken, F. A. R.
Partner: UNT Libraries Government Documents Department
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Hanford Works monthly report, June 1948

Description: This document details activities at the Hanford Works during the month of June 1948.
Date: July 26, 1948
Partner: UNT Libraries Government Documents Department
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The Isolation and Properties of Curium

Description: From introduction: "The discovery of element number 96, curium, was realized by the preparation and identification of the isotope Cm-242 by G. T. Seaborg, R. A. James and A. Ghiorso by cyclotron bombardment of Pu-239 with helium ions."
Date: July 28, 1948
Creator: Werner, Louis Bernard
Partner: UNT Libraries Government Documents Department
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Artificial Radioactive Isotopes of Cerium and Lanthanum

Description: The following document describes some studies of the radioactive isotopes of cerium and lanthanum lying on the light or neutron-deficient side of stability.
Date: July 20, 1948
Creator: Chubbuck, James B.
Partner: UNT Libraries Government Documents Department
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Results of Some Statistical Tests of Particle Detectors

Description: Abstract: The value of routine statistical tests of counter performance in the field has been investigated. The necessity for more elaborate statistical tests than those now used at the Hanford Works has not been indicated by this work.
Date: July 1948
Creator: Portch, W. R. & Whipple, G. H., Jr.
Partner: UNT Libraries Government Documents Department
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SULFAMIC ACID IN THE REDOX PROCESS

Description: No Description Available.
Date: July 15, 1948
Creator: Zebroski, E. & Feber, R.C.
Partner: UNT Libraries Government Documents Department
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THE DETERMINATION OF PRESSURE DROP FACTORS THROUGH TYPICAL FUEL ELEMENT CHANNELS FOR HIGH TEMPERATURE GAS-COOLED THERMAL PILES

Description: The initial phase of the pressure drop testing program on proposed fuel element design shapes for the high-temperature, gas-cooled power reactor, has been completed with the compilation of pressure drop data for the flatplate riveted-assembly type of unit, the ribbed cylinder type, the single bent-plate type both with and without rivets, the 13 hexagon-6 pentagon type, and the 7-hole graphite type. This phase of the program was conducted for the purpose of determining the equivalent skin-fricti… more
Date: July 1, 1948
Creator: Segaser, C.L.
Partner: UNT Libraries Government Documents Department
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REACTION RATE OF THE FLUORINATION OF URANIUM DIOXIDE AT A CONTINUOUSLY INCREASING TEMPERATURE

Description: Using an apparatus described in a preceeding paper the reaction rate of the fluorination of UO/sub 2/ by HF was measured under the condition of a gradually increasing temperature. UF/sub 4/ made in this way did not show caking although final reaction temperatures ranged as high as 700 deg C. The rate of reaction was found to be greater than the rate measured under isothermal conditions at the highest temperature attained during the continuous increase as long as this final temperature was above… more
Date: July 19, 1948
Creator: Kuhlman, C.W.
Partner: UNT Libraries Government Documents Department
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Experiments of the Effect of Atomic Electrons on the DecayConstant of Be7

Description: In an attempt to detect a possible influence of the atomic electrons on the radioactive decay constant of Be{sup 7} they have measured {lambda}{sub Be}-{lambda}{sub BeO} and found (-3.0 {+-} 1.8) 10{sup -4} {lambda}{sub Be}. They describe also a method to measure mean lives of radioactive substances in a time short compared with the mean life.
Date: July 1, 1948
Creator: Segre, Emilio & Wiegand, Clyde
Partner: UNT Libraries Government Documents Department
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