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68
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62
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22
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Ames Laboratory, Iowa State University (IS)
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Anisotropic Elastic Scattering of Neutrons
In an elastic collision the neutron loses part of its kinetic energy to the nucleus with both the kinetic and momentum of the system being conserved. However, for many elements the scattering is not isotropic in the center-of-mass system at the higher neutron energies. Many of the present reactor multigroup codes include anisotropic scattering at the high neutron energies, while many others assume isotropic scattering at all energies. In order to consider some of the effects of including anisotropic scatting, reference is made t the multigroup equation generally assumed for the slowing-down density.
Date:
March 21, 1957
Creator:
Copenhaver, C. M.
Object Type:
Report
System:
The UNT Digital Library
Beryllium
The information concerning beryllium assembled herein has been selected primarily to provide information that might be pertinent to the design of the ART. The creep-rupture data in the literature have been obtained from vacuum cast and extruded beryllium, rather than from the hot-pressed beryllium which will be used in the ART. A research program is being conducted by the Brush Beryllium Company, under contract to the Oak Ridge National Laboratory, which will eventually provide the design engineers with data on the high temperature strength properties of hot-pressed beryllium. In the interim, it will be necessary for the metallurgists and design engineers to make judicious estimates and extrapolations from the data available.
Date:
March 21, 1957
Creator:
Whitman, M. J.
Object Type:
Report
System:
The UNT Digital Library
Annual Report of the Boy Scouts of America: 1962
Annual report submitted by the Boy Scouts of America to Congress describing highlights from 1962, activities, finance, service organizational leadership, and other information about scouting programs.
Date:
March 21, 1963
Creator:
Boy Scouts of America
Object Type:
Report
System:
The Portal to Texas History
Erosion Experiments of Powder Compacted Uranium Dioxide Under Dynamic Steam Flow (Preliminary Report)
Experiments were carried out to determine the erosion, oxidation and dimensional characteristics of purposely defected fuel elements containing unsintered UO2 powder prepared by the swaging technique. The experiments were conducted in an out-of-reactor loop under superheat conditions of pressure, temperature, flow velocity and steam chemical composition.
Date:
March 21, 1961
Creator:
Spalaris, C. N.; Comprelli, F. A. & Siegler, M.
Object Type:
Report
System:
The UNT Digital Library
The Pilot Plant Operation of a Vertical Tube, Recirculating Dissolver for the Dissolution of Uranium Dioxide in Nitric Acid
The need for criticality control in the proposed reprocessing of slightly enriched non-production fuels at Hanford has led to the development of a geometrically "safe", vertical tube, recirculating dissolver. A study of the nitric acid dissolution of uranium dioxide in a pilot plant dissolver of this type is reported here. The study was pointed toward the comparison of uranium dioxide dissolution rates in a batch and a recirculating dissolver and the definition of hydraulic problems associated with the recirculation of nitric acid, by air lift, technique through beds of reacting uranium dioxide.
Date:
March 21, 1960
Creator:
Smith, P. W.
Object Type:
Report
System:
The UNT Digital Library
Induction Melting of Uranium Dioxide Powder
Fused uranium dioxide has desirable characteristics for fabricating high density nuclear fuel elements by swaging. Methods of preparing dense uranium dioxide particles being investigated at HAPO include are arc fusion, and sintering and crushing of low density powder. This paper reports the results of exploratory experiments to prepare fused uranium dioxide by induction heating of low density powder in graphite crucibles.
Date:
March 21, 1959
Creator:
Newkirk, H. W.
Object Type:
Report
System:
The UNT Digital Library
Ice-Holding Device.
Patent for a device to hold ice upon running-boards of vehicles (lines 10-11.) This device is flexible in use (it can be pulled up to reveal the ice, and put back out of the way), simple in design, and cheap to construct.
Date:
March 21, 1922
Creator:
Barton, Warren D.
Object Type:
Patent
System:
The Portal to Texas History
Clothespin
Patent for an improved version of the clothespin, which is simple to use, durable, and cheap to manufacture.
Date:
March 21, 1922
Creator:
Ingersoll, Charles James
Object Type:
Patent
System:
The Portal to Texas History
Hydraulic Classifier.
Patent for hydraulic classifier for the treatment of ore. The invention subjects settling solid particles to a secondary classification and prevent the contamination of the settling solids before they are discharged.
Date:
March 21, 1922
Creator:
Allen, Charles
Object Type:
Patent
System:
The Portal to Texas History
Exploratory Drilling in the Nash Car Locality, White Canyon Area, San Juan County, Utah
Gregory described the broad geologic and geographic features of the white canyon area in the reconnaissance report on San Juan county.
Date:
March 21, 1957
Creator:
Oertell, E. W. & Spencer, D. F
Object Type:
Report
System:
The UNT Digital Library
86th Texas Legislature, Regular Session, House Concurrent Resolution 22
Concurrent resolution introduced by the Texas House of Representatives and Senate congratulating the Honorable Mike Bradford on his retirement as Midland County judge.
Date:
March 21, 2019
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
86th Texas Legislature, Regular Session, House Concurrent Resolution 54
Concurrent resolution introduced by the Texas House of Representatives and Senate in memory of former State Representative Reby Cary.
Date:
March 21, 2019
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
86th Texas Legislature, Regular Session, House Concurrent Resolution 87
Concurrent resolution introduced by the Texas House of Representatives and Senate congratulating the Lamesa Area Chamber of Commerce on its centennial anniversary.
Date:
March 21, 2019
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
86th Texas Legislature, Regular Session, Senate Concurrent Resolution 6
Concurrent resolution introduced by the Texas House of Representatives and Senate recognizing Bobby Lockhart on the occasion of his retirement.
Date:
March 21, 2019
Creator:
Texas. Legislature. Senate.
Object Type:
Legislative Document
System:
The Portal to Texas History
86th Texas Legislature, Regular Session, House Concurrent Resolution 28
Concurrent resolution introduced by the Texas House of Representatives and Senate congratulating Dr. Michael Miller of Midland on his retirement from Permian Cardiology.
Date:
March 21, 2019
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
86th Texas Legislature, Regular Session, House Concurrent Resolution 21
Concurrent resolution introduced by the Texas House of Representatives and Senate congratulating the Honorable Rodney W. Satterwhite on his retirement from the 441st Judicial District Court.
Date:
March 21, 2019
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
86th Texas Legislature, Regular Session, House Concurrent Resolution 27
Concurrent resolution introduced by the Texas House of Representatives and Senate congratulating Glen Hackler on his retirement as Andrews city manager.
Date:
March 21, 2019
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
86th Texas Legislature, Regular Session, Senate Concurrent Resolution 8
Concurrent resolution introduced by the Texas House of Representatives and Senate recognizing James R. Cowart on the occasion of his retirement.
Date:
March 21, 2019
Creator:
Texas. Legislature. Senate.
Object Type:
Legislative Document
System:
The Portal to Texas History
86th Texas Legislature, Regular Session, House Concurrent Resolution 50
Concurrent resolution introduced by the Texas House of Representatives and Senate congratulating Dr. Bill Dean on his retirement as president and CEO of the Texas Tech Alumni Association.
Date:
March 21, 2019
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
86th Texas Legislature, Regular Session, Senate Concurrent Resolution 14
Concurrent resolution introduced by the Texas House of Representatives and Senate recognizing James Henry Russel for his service as president of Texarkana College.
Date:
March 21, 2019
Creator:
Texas. Legislature. Senate.
Object Type:
Legislative Document
System:
The Portal to Texas History
86th Texas Legislature, Regular Session, Senate Concurrent Resolution 11
Concurrent resolution introduced by the Texas House of Representatives and Senate recognizing the Shoults family on the 75th anniversary of Bear Creek Smokehouse.
Date:
March 21, 2019
Creator:
Texas. Legislature. Senate.
Object Type:
Legislative Document
System:
The Portal to Texas History
Separation of Iron by Liquid-Liquid Column Extraction
From abstract: "Iron(III) can be separated from many elements by extraction from 6 to ͟8M hydrochloric acid. The extraction is carried out by passing the aqueous hydrochloric acid solution through a column packed with 2-octanone adsorbed onto a poly-fluorocarbon resin. Fluoride, phosphate, sulfate or citrate cause no interference. Traces if iron(III) can be separated quantitatively from large amounts of copper(II) or zinc(II); traces of titanium(IV) can be separated from large amounts of iron(III)."
Date:
March 21, 1962
Creator:
Fritz, James S. (James Sherwood), 1924- & Hedrick, C. E.
Object Type:
Report
System:
The UNT Digital Library
Radical and Molecular Reaction Mechanisms for (γ, n) Activated c11 Reactions in Liquid Cyclohexane
From abstract: "A study has been made of the yields of gaseous products labeled with C11 from the C12(γ, n) reaction in liquid cyclohexane. The effects of variations in the radiation dose and in the concentration of dissolved iodine during irradiation on the yields of these products were studied in order to elucidate the reaction mechanisms. A reaction model was developed as a method of assessing the relative importance of radical and molecular processes. The data suggest (1) that the formation of C11 labeled CH4, C2H4 + C2H6, and C3H6 involves a hot radical process while (2) the formation of C2H2 is by a molecular reaction with cyclohexane."
Date:
March 21, 1962
Creator:
Rack, Edward P. & Voigt, Adolf F.
Object Type:
Report
System:
The UNT Digital Library
αZ Correction to the Bethe-Maximon Pair Production Cross Section
From abstract: "The first order correction in αZ to the Bethe-Maximon pair production cross section is calculated for the case where the incident photon and one of the electrons has an energy much greater than mc2. Comparison of these calculations to the experimental data of Plimpton and Hammer shows an improvement ina greement between theory and experiment of approximately a factor of 1+(αZ4π/15) for low positron kinetic energies. However, for positron kinetic energies of the order of 1 Mev no improvement is obtained."
Date:
March 21, 1962
Creator:
Moroi, David S. & Hammer, C. L.
Object Type:
Report
System:
The UNT Digital Library