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164 Matching Results
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TRANSIENT HEATING OF UC FUEL ELEMENTS IN THE KEWB FACILITY
The feasibility of using the KEWB reactor as a pulsed neutron radiation source for use in studies of fuel element transient heating was studied. UC fuel rod samples were heated in the reactor. It was found that flux distribution in fuel samples could be mapped and thermal conductivity measurements for UC could be made by using fast response thermocouples distributed radially in the sample. (J. R.D.)
Date:
September 1, 1959
Creator:
Gardner, E.L. & Barnes, S.G.
Object Type:
Report
System:
The UNT Digital Library
RECYCLE OF UO$sub 2$F$sub 2$ IN THE FLUOROX PROCESS: REACTION OF UO$sub 2$F$sub 2$ WITH HYDROGEN
The reaction of U0/sub 2/F/sub 2/ with hydrogen at 700 to 850 deg C was briefly investigated since it could constitute a major step in the recycle of U0/ sub 2/F/sub 2/ in the Fluorox process. The reaction in this temperature range proceeds according to the equation U0/sub 2/F/sub 2/ + H/sub 2/ yields U0/sub 2/ + 2 HF. Rates of the chemical reaction were not obtsined, since, with the thermogravimetric technique used, the rate-controlling process was bed diffusion. However, there is no doubt that the rate of chemical reaction is sufficiently high for the desired application. No significant amount of UF/sub 4/ was formed by the back-reaction, U0/sub 2/ + 4 HF yields UF/sub 4/ + 2 H/sub 2/0. (auth)
Date:
July 1, 1959
Creator:
Ferris, L.M. & Gardner, R.P.
Object Type:
Report
System:
The UNT Digital Library
The Determination of Chlorine in Polyurethane Plastic
Chlorine may be determined in polyurethane by gravimetric or spectrophotometric techniques. The sample is burned in a special combustion tube with two oxygen inlets, the products of combustion are absorbed in a solution containing sodium hydroxide and hydrogen peroxide, and the chlorine is measured either gravimetrically as silver chloride or spectrophotometrically using mercuric thiocyanate and ferric perchlorate. Eighteen determinations of cblorine in known solutions of sodium chloroacetate or perchloric acid gave an average recovery of 98.3% with a standard deviation of 2.8%. (auth)
Date:
October 1, 1959
Creator:
Henicksman, A. L.; VanKooten, E. H.; Gardner, R. D. & Ashley, W. H.
Object Type:
Report
System:
The UNT Digital Library
MECHANICAL PROPERTY AND FORMABILITY STUDIES ON UNALLOYED PLUTONIUM
The effect of temperature and testing speed on the tension and compression properties of unalloyed plutouium was studied in the alpha , beta , gamma , and delta phases. Compressive formability data were obtained for a load of 100,000 lbs in the aforementioned phases. In addition, preliminary creep, tension impact, and torsion data for alpha -phase plutonium are reported. Extrusion constants and pressures for the beta , gamma , and delta phases were obtained. The roomtemperature tension and compression properties of the beta - and #gg-extruded plutonium were determined. Metallo graphic studies were made to determine the effect of tension, compression, and extrusion, in the indicated phases, on the microstructure of as-cast plutonium. (auth)
Date:
December 1, 1959
Creator:
Gardner, H.R. & Mann, I.B.
Object Type:
Report
System:
The UNT Digital Library
Activation Analysis Nuclear Chemical Research Radiochemical Separations. Progress Report No. 8 for November 1958-October 1959
Activities at the Michigan Reactor and pneumatic tube system are outlined. Various modifications including installation and operation of a "bunny" rabbit pneumatic tube system for transferring samples from laboratory to counter are described. Prelimirary investigation for design of a neutron generator for activation work is described. Modifications to the 100-channel pulse-height analyzer including addition of auxillary circuits and additioral detectors are sumnnarized. In nuclear chemistry a cyclotron bombardment to produce long-lived vanadium tracer for yield determinations in activation analysis is described. Summaries of project work which have been published on absolute (d, alpha) reaction cross sections and excitation functions, use of computers in nuclear data analysis, and research on Ir/sup 196/ are presented. Study of the gamma spectra of 33-second Kr/sup 90/, 41-second Xe/sup 139/, and some longer-lived fission product rare gases is reported and a summary of preliminary results is given. Detection of a long-lived isomer of Ag/sup 108/ in old Ag/sup 110m/ samples is reported and new values for the branching ratios of 2.4minute Ag/sup 108/ are given. Activities of the Subcommittee on Radiochemistry are summarized. Development of a radiochemical procedure by the use of amalgam exchange is reported and exchange of the elements Cd, Tl, Zn, Pb, …
Date:
November 1, 1959
Creator:
Maddock, R. S. & Meinke, W. W.
Object Type:
Report
System:
The UNT Digital Library
IGNITION BEHAVIOR AND KINETICS OF OXIDATION OF THE REACTOR METALS, URANIUM, ZIRCONIUM, PLUTONIUM, AND THORIUM, AND BINARY ALLOYS OF EACH. A Status Report
>The importance of prevention of fires and explosions involving uranium, zircomum, plutonium, and thorium, which are of particular interest to the nuclear energy program, made imperative the study of their ignition behavior and oxidation kinetics. Methods of measurements of ignition characteristics of uranium and zirconium were developed and used to determine the effects of variables, such as surface preparation, metallurgical history, specific area (sample size), additives to the metal, and oxygen content and presence of moisture in the oxidizing gas. The study of ignition characteristics was supported by study of the effects of similar variables on the kinetics of oxidation of uranium and zirconium and binary alloys of each. The oxidation of uranium always proceeded in two linear stages over the temperature range of 125 to 295 deg C at pressures of 20, 50, 200, and 800 mm of oxygen. The temperature dependences of both stages indicate an activation energy dependent on pressure. The presence of ten additive elements in uranium metal caused only very small effects on the oxidation. The oxidation of zirconium was independent of pressure and proceeded according to a cubic rate law over the temperature range from 400 to 900 deg C, with an activation energy …
Date:
April 1, 1959
Creator:
Schnizlein, J. G.; Pizzolato, P. J.; Porte, H. A.; Bingle, J. D.; Fischer, D. F.; Mishler, L. W. et al.
Object Type:
Report
System:
The UNT Digital Library
Tabulated Neutron Cross Sections. Part 1. 0.001-14.5 Mev. Volume 2. $sub 23$v-$sub 20$Sn
Tables of neutron total, elastic, inelastic, scattering, and absorption cross sections are presented for the elements V through Sn at 0.001 to 14.5 Mev. (C.J.G.)
Date:
October 1, 1959
Creator:
Howerton, Robert J.
Object Type:
Report
System:
The UNT Digital Library
TABULATED NEUTRON CROSS SECTIONS, PART 1. 0.001-14.5 MEV. VOLUME 1. $sub 1$H-$sub 22$Ti
Tables of neutron total, elastic, inelastic, scattering, and absorption cross sections are presented for the elements hydrogen through titanium at 0.001 to 14.5 Mev. (C.J.G.)
Date:
October 1, 1959
Creator:
Howerton, R. J.
Object Type:
Report
System:
The UNT Digital Library
Christian Chronicle (Abilene, Tex.), Vol. 16, No. [46], Ed. 1 Tuesday, September 1, 1959
Weekly newspaper from Abilene, Texas that includes news and information about the Churches of Christ along with advertising.
Date:
September 1, 1959
Creator:
Nichols, James W.
Object Type:
Newspaper
System:
The Portal to Texas History
The Waco News-Citizen (Waco, Tex.), Vol. 2, No. 8, Ed. 1 Tuesday, September 1, 1959
Weekly newspaper from Waco, Texas that includes local, state, and national news along with advertising.
Date:
September 1, 1959
Creator:
Foster, W. S.
Object Type:
Newspaper
System:
The Portal to Texas History
McCurtain Gazette (Idabel, Okla.), Vol. 53, No. 10, Ed. 1 Wednesday, April 1, 1959
Semiweekly newspaper from Idabel, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 1, 1959
Creator:
Banta, Ira J.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Ada Evening News (Ada, Okla.), Vol. 56, No. 198, Ed. 1 Sunday, November 1, 1959
Daily newspaper from Ada, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 1, 1959
Creator:
Little, W. D.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Ada Weekly News (Ada, Okla.), Vol. 58, No. 39, Ed. 1 Thursday, January 1, 1959
Weekly newspaper from Ada, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 1, 1959
Creator:
Knickmeyer, W. L.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Ada Evening News (Ada, Okla.), Vol. 56, No. 172, Ed. 1 Thursday, October 1, 1959
Daily newspaper from Ada, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 1, 1959
Creator:
Little, W. D.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Orange Leader (Orange, Tex.), Vol. 56, No. 243, Ed. 1 Sunday, November 1, 1959
Daily newspaper from Orange, Texas that includes local, state and national news along with extensive advertising.
Date:
November 1, 1959
Creator:
Browning, J. Cullen
Object Type:
Newspaper
System:
The Portal to Texas History
The Orange Leader (Orange, Tex.), Vol. 56, No. 104, Ed. 1 Friday, May 1, 1959
Daily newspaper from Orange, Texas that includes local, state and national news along with extensive advertising.
Date:
May 1, 1959
Creator:
Browning, J. Cullen
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Jewish Post (Fort Worth, Tex.), Vol. 13, No. 40, Ed. 1 Thursday, October 1, 1959
Weekly Jewish newspaper from Fort Worth, Texas that includes local, state, and national news along with extensive advertising.
Date:
October 1, 1959
Creator:
Wisch, J. A.
Object Type:
Newspaper
System:
The Portal to Texas History
The Big Lake Wildcat (Big Lake, Tex.), Vol. 34, No. 39, Ed. 1 Thursday, October 1, 1959
Weekly newspaper from Big Lake, Texas that includes local, state and national news along with advertising.
Date:
October 1, 1959
Creator:
Werst, J. L., Jr.
Object Type:
Newspaper
System:
The Portal to Texas History
The Big Lake Wildcat (Big Lake, Tex.), Vol. 34, No. 1, Ed. 1 Thursday, January 1, 1959
Weekly newspaper from Big Lake, Texas that includes local, state and national news along with advertising.
Date:
January 1, 1959
Creator:
Werst, J. L., Jr.
Object Type:
Newspaper
System:
The Portal to Texas History
The Daily News-Telegram (Sulphur Springs, Tex.), Vol. 81, No. 129, Ed. 1 Monday, June 1, 1959
Daily newspaper from Sulphur Springs, Texas that includes local, state, and national news along with advertising.
Date:
June 1, 1959
Creator:
Frailey, F. W. & Woosley, Joe
Object Type:
Newspaper
System:
The Portal to Texas History
The Hopkins County Echo (Sulphur Springs, Tex.), Vol. 84, No. 18, Ed. 1 Friday, May 1, 1959
Weekly newspaper from Sulphur Springs, Texas that includes local, state, and national news along with advertising.
Date:
May 1, 1959
Creator:
Frailey, F. W. & Woosley, Joe
Object Type:
Newspaper
System:
The Portal to Texas History
Grain Refinement of Uranium by a Beta-Quench, Alpha-Anneal Process
None
Date:
February 1, 1959
Creator:
Angerman, C.L.; Huntoon, R.T. & McDonell, W.R.
Object Type:
Report
System:
The UNT Digital Library
Palacios Beacon (Palacios, Tex.), Vol. 52, No. 1, Ed. 1 Thursday, January 1, 1959
Weekly newspaper from Palacios, Texas that includes local, state, and national news along with advertising.
Date:
January 1, 1959
Creator:
Dismukes, Jesse V.
Object Type:
Newspaper
System:
The Portal to Texas History
The De Leon Free Press (De Leon, Tex.), Vol. 70, No. 14, Ed. 1 Thursday, October 1, 1959
Weekly newspaper from De Leon, Texas that includes local, state, and national news along with advertising.
Date:
October 1, 1959
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History