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21 Matching Results
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21
Possible Improvemnets in Cavity Geometry at High Energy End ofMark II.
None
Date:
February 9, 1951
Creator:
Alvarez, L.W.
System:
The UNT Digital Library
Some Factors Influencing the Use of Tributyl Phosphate for the Extraction of Uranium in Analysis
None
Date:
February 27, 1951
Creator:
Bartlett, T. W.
System:
The UNT Digital Library
Medical and Health Physics Quarterly Report October, November, andDecember, 1950
A considerable volume of work was accomplished during the past three months in the tracer program, experiments being conducted with At{sup 211}, carrier-free Bi{sup 206}, carrier-free Mn{sup 52}, carrier-free Mo{sup 93,99}, Np{sup 237}, Ta{sup 182} of a fair degree of specific activity, carrier-free Sc{sup 46}, and high specific activity Tm{sup 170}.
Date:
February 27, 1951
Creator:
Biology, Health and
System:
The UNT Digital Library
Health - Physics Monthly Information Report. January 1-31-, 1951.
None
Date:
February 19, 1951
Creator:
Boozer, A. H.
System:
The UNT Digital Library
Purex Pulse-Column Studies With Unirradiated Uranium. (Development of Specifications for the O.R.N.L. Pilot Plant)
None
Date:
February 20, 1951
Creator:
Bradley, J. G.
System:
The UNT Digital Library
The Preparation of Plutonium Tetrafluoride by Direct Hydrofluorination of Plutonium Oxalate
None
Date:
February 1, 1951
Creator:
Facer, J F; Lyon, W L & Weidenbaum, B
System:
The UNT Digital Library
Removal of ruptured slug from tube No. 2562-H
It is the purpose of this document to record the significant steps in the removal of a ruptured slug from tube {number_sign}2562-H.
Date:
February 12, 1951
Creator:
Haaga, J. A.
System:
The UNT Digital Library
Report on Mound Laboratory Activities for January 1951. Part 1
None
Date:
February 28, 1951
Creator:
Haring, M. M.
System:
The UNT Digital Library
Interim report No.1, PT-105-403-P, installation and initial operation
The effect of temperature on the properties of graphite is being determined by exposing samples to pile neutrons at controlled temperatures in the range 75 C to 225 C. The first series of samples were charged into the newly installed dry, water-cooled test channel at B pile on January 23, 1951. This report presents details of the charging operation and observations noted during the initial operation of the test.
Date:
February 7, 1951
Creator:
Haussler, W. M. & Purcell, R. H.
System:
The UNT Digital Library
ELECTROMAGNETICALLY ENRICHED ISOTOPES (Inventory February 28, 1951)
None
Date:
February 28, 1951
Creator:
Keim, C.P.; Normand, C.E. & Weaver, B.
System:
The UNT Digital Library
HEAT TRANSFER FINAL TECHNICAL REPORT...FEBRUARY 16, 1950, TO FEBRUARY 15, 1951
None
Date:
February 15, 1951
Creator:
McGill, H.L.; Sibbitt, W.L.; Wiskind, H.K. & Suciu, S.
System:
The UNT Digital Library
Increased process water pressure to 105 buildings
This document discusses increases in water pressure from the 190 Building process pumps which has been contemplated for a range of pressures up to 550 PSIG. The existing process pumps are dual units, consisting of a steam turbine driven primary pump operated: in series with an electric driven secondary pump. The secondary pumps installed in 100-B, D, F, and H Areas were designed for 400 PSIG working pressure, and were given factory hydrostatic tests of 600 PSIG. The 100-DR pumps were given factory hydrostatic tests of 650 PSIG. The Ingersoll-Rand Company advises that a working pressure of 425 PSIG is as high as they would-recommend for pump casing pressure on the secondary pumps. In consideration of problems incident to increased operating pressures, the immediate limiting factor is the total head pressure permissible on secondary pump casings. Other limiting factors are filter plant capacities, and 183 process water capacities.
Date:
February 22, 1951
Creator:
Measly, H. F.
System:
The UNT Digital Library
Metallurgy Division Quarterly Progress Report for Period Ending October 31, 1950
Minor changes in materials and methods resulted in increased yields in the production of fuel elements for the Bulk Shielding Facility. Attempts to bond uranium to a mercury-- silver alloy resulted in bonds of insufficient strength. Thorium alloys containing 2 to 4% Nb. Cr. Mn, Ti, Zr, Be. Al, and Si were prepared. The alloys containing Be, Al. or Si were hard, brittle, and not cold-workable. The alloys containing the other elements were coldworkable in the as-cast condition. Impact testing of pure thorium, using standard V-notch specimens, revealed a transition from brittle to tough behavior at 120 to 200 deg C. The determination of UAL/sub 4/: UAL/sub 3/ ratios, lattice parameters, and microstructures for the Al--Si--U system is reported. It was found that for a 20% uranium alloy, only 0.8% Si is necessary to completely suppress the formation of UAL/sub 4/. In general, ferritic iron--chromium alloys appeared more resistant to static corrosion by 1000 deg C lithium and lead than did austenitic alloys. Compatability tests with combinations of Mo, UO/sub 2/ BeO, Nb, and stainless steels 309 and 316 are discussed. True stress-natural strain-time diagrams for copper at room temperature are presented. (See also ORNL-2839.) (C.J.G.)
Date:
February 1, 1951
Creator:
Miller, E. C. & Bridges, W. H.
System:
The UNT Digital Library
Energy Distribution of Fast Neutron Beam
Experimental techniques are described for the spectral measurement of a collimated fast-neutron beam. A H/sub 2-/ filled cloud chamber, proton-recording nuclear plates, and threshold fission foils were used as neutron detectors in the measurements. As an application of these techniques, the energy distribution and absolute flux of the fast neutron beam emerging from the Los Alamos fast reactor was measured from 0.1 to 18 Mev. (D.E.B.)
Date:
February 15, 1951
Creator:
Nereson, N.; Allison, E.; Carlson, J.; Norwood, P. & Squires, D.
System:
The UNT Digital Library
Shielding for the Low Power Research Reactor
None
Date:
February 20, 1951
Creator:
Neustadt, M.
System:
The UNT Digital Library
Hanford Works monthly report, January 1951
This is a progress report of the production reactors on the Hanford Reservation for the month of January 1951. 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.
Date:
February 16, 1951
Creator:
Prout, G. R.
System:
The UNT Digital Library
A PRELIMINARY FIELD SURVEY OF AIR CLEANING ACTIVITIES AT ATOMIC ENERGY COMMISSION FACILITIES, SEPTEMBER-NOVEMBER 1950
None
Date:
February 1, 1951
Creator:
Rossano, A.T. Jr.; Silverman, L. & First, M.W.
System:
The UNT Digital Library
AN ITERATIVE METHOD FOR SOLVING SYSTEMS OF LINEAR EQUATIONS
None
Date:
February 15, 1951
Creator:
de la Garza, A.
System:
The UNT Digital Library
100 Areas technical activities report Engineers, January 1951
Monthly reports are given for the B, D, DR, F and H piles. And the Engineering Development Group reports on the: Ball 3-X program, thermocouple slug irradiation and related studies, process water study, metallurgical and corrosion studies, analytical research, heat transfer and temperature effect experiment, assistance to pile physics group, miscellaneous development projects, and a job status report from Engineering Development.
Date:
February 2, 1951
Creator:
unknown
System:
The UNT Digital Library
MEDICAL AND HEALTH PHYSICS QUARTERLY REPORT OCTOBER, NOVEMBER, AND DECEMBER 1950
None
Date:
February 27, 1951
Creator:
unknown
System:
The UNT Digital Library
Usefulness Of Brookhaven Reactor In Isotope Production Program
None
Date:
February 5, 1951
Creator:
unknown
System:
The UNT Digital Library