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604 Matching Results
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[2012.201.B0423.0193]
Photograph is of a man in a baseball uniform leaning on something unidentified in the picture.
Date:
March 6, 1950
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Californium Isotopes From Bombardment of Uranium With Carbonions
The recent production and identification of isotopes of elements with atomic numbers up to six higher than the target element through bombardment with hexapositive 120-Mev carbon ions made it seem worthwhile to apply this technique to the transuranium region. Accordingly, small pieces of natural uranium metal (about 0.5 mil thick and 205 cm by 0.6 cm area) were irradiated in the internal carbon ion beam in the Berkeley 60-inch cyclotron. Following the irradiations, the uranium was dissolved in dilute hydrochloric acid containing hydrogen peroxide and a transplutonium fraction was isolated through the use of lanthanum fluoride, and lanthanum hydroxide precipitation steps followed by the ion exchange adsorption column procedure in which concentrated hydrochloric acid is used to separate the tripositive actinide elements from the rare earth elements. The transplutonium fractions in hydrochloric acid were evaporated as weightless films on platinum plates which were placed in the ionization chamber of the 48 channel pulse analyzer apparatus in order to measure the yield and energies of any alpha-particles which might be present. In the best experiment at about one hour after the end of the 90-minute bombardment, some 50 disintegrations per minute of the distinctive 7.1-Mev alpha-particles of Cf{sup 244} were observed …
Date:
September 6, 1950
Creator:
Ghiorso, A.; Thompson, S. G.; Street, Jr., K. & Seaborg, G. T.
Object Type:
Report
System:
The UNT Digital Library
PHYSICS DIV. QUARTERLY REPORT, MAY, JUNE, JULY, 1950
The X-ray Spectrum Produced by 322 Mev Electrons Striking a Platinum Target. The differential energy spectrum of the photons produced by 322 Mev electrons striking a 20 mil platinum target was measured by observing the energy of 3467 pairs produced in a one mil thick lead foil in a Wilson cloud chamber in a magnetic field of 10,000 gauss. The spectrum is found to agree with that predicted by the Bethe-Heitler bremsstrahlung theory using a Thomas-Fermi model with suitable corrections for the thickness of the target. The energy of the 322 Mev electrons was determined by the spectrum of the photons observed in this experiment. Apparatus used and the experimental data and results obtained are reported fully in UCRL-660.
Date:
September 6, 1950
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
The El Reno Daily Tribune (El Reno, Okla.), Vol. 59, No. 214, Ed. 1 Monday, November 6, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 6, 1950
Creator:
Dyer, Ray J.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The El Reno Daily Tribune (El Reno, Okla.), Vol. 58, No. 264, Ed. 1 Friday, January 6, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 6, 1950
Creator:
Harle, Budge
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Shamrock Texan (Shamrock, Tex.), Vol. 46, No. 49, Ed. 1 Thursday, April 6, 1950
Weekly newspaper from Shamrock, Texas that includes local, state, and national news along with advertising.
Date:
April 6, 1950
Creator:
Montgomery, Arval
Object Type:
Newspaper
System:
The Portal to Texas History
The Dublin Progress (Dublin, Tex.), Vol. 62 YEARS, No. 29, Ed. 1 Friday, October 6, 1950
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
October 6, 1950
Creator:
Perry, Francis E.
Object Type:
Newspaper
System:
The Portal to Texas History
The Dublin Progress (Dublin, Tex.), Vol. 61 YEARS, No. 42, Ed. 1 Friday, January 6, 1950
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
January 6, 1950
Creator:
Perry, Francis E.
Object Type:
Newspaper
System:
The Portal to Texas History
The Shamrock Texan (Shamrock, Tex.), Vol. 47, No. 10, Ed. 1 Thursday, July 6, 1950
Weekly newspaper from Shamrock, Texas that includes local, state, and national news along with advertising.
Date:
July 6, 1950
Creator:
Montgomery, Arval
Object Type:
Newspaper
System:
The Portal to Texas History
The Denison Press (Denison, Tex.), Vol. 22, No. 15, Ed. 1 Friday, October 6, 1950
Weekly newspaper from Denison, Texas that includes local, state and national news along with advertising.
Date:
October 6, 1950
Creator:
Anderson, LeRoy M.
Object Type:
Newspaper
System:
The Portal to Texas History
The Denison Press (Denison, Tex.), Vol. 21, No. 28, Ed. 1 Friday, January 6, 1950
Weekly newspaper from Denison, Texas that includes local, state and national news along with advertising.
Date:
January 6, 1950
Creator:
Anderson, LeRoy M.
Object Type:
Newspaper
System:
The Portal to Texas History
The Bogata News (Bogata, Tex.), Vol. 38, No. 50, Ed. 1 Friday, October 6, 1950
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
October 6, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Bogata News (Bogata, Tex.), Vol. 38, No. 11, Ed. 1 Friday, January 6, 1950
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
January 6, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Comanche Chief (Comanche, Tex.), Vol. 78, No. 12, Ed. 1 Friday, October 6, 1950
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
October 6, 1950
Creator:
Wilkerson, J. C.
Object Type:
Newspaper
System:
The Portal to Texas History
The Gasometric Determination of Nitrite and Sulfamate
This report covers an investigation made to develop a gasometric determination that can determine 1.2 x 10-(-5) g. of nitrite with a precision (99% limits) of +/- 8%, and discusses how this procedure works.
Date:
March 6, 1950
Creator:
Carson, W. N.
Object Type:
Report
System:
The UNT Digital Library
The McGregor Mirror and Herald-Observer (McGregor, Tex.), Vol. 62, No. 18, Ed. 1 Friday, October 6, 1950
Weekly newspaper from McGregor, Texas that includes local, state, and national news along with advertising.
Date:
October 6, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The McGregor Mirror and Herald-Observer (McGregor, Tex.), Vol. 61, No. 31, Ed. 1 Friday, January 6, 1950
Weekly newspaper from McGregor, Texas that includes local, state, and national news along with advertising.
Date:
January 6, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Clarification of Redox Dissolver Solution by Centrifugation with Scavenger
From statement of objectives: The purposes of the work described in this report are to provide data useful for designing and operating the dissolver solution clarification equipment to be installed in the Redox production plant.
Date:
June 6, 1950
Creator:
Allen, A. W.
Object Type:
Report
System:
The UNT Digital Library
P Division monthly report, January 1950
This progress report discusses the activities of the P Division for the month of January 1950. The B, D, F and H pilan operated throughout the month except for outages listed under Area Activities. Power levels were as follow: B pile -- 275 megawatts (MW) D pile -- 305 MW, F pile -- 275 MW increased to 305 MW during the month, and H pile -- 275 MW increased to 330 MW during the month. The piles operated with a time operated'' efficiency of 88.8%. A total of 53.07 tons of metal at an average of 91.2% of the current goal concentration was discharged from the piles during the month. A new record canning yield of 93.9% for 4 inch canned slugs was established during January.
Date:
February 6, 1950
Creator:
Lee, Edward P.
Object Type:
Report
System:
The UNT Digital Library
Evaluation of Alternate Solvents for Diethyl Ether in the Extraction of Uranium From Mallinckrodt Type Ore Feeds
Abstract: Technical report describing an evaluation of solvents for use in the extraction of uranium from Mallinckrodt type ore feeds.
Date:
November 6, 1950
Creator:
Runion, T. C.
Object Type:
Report
System:
The UNT Digital Library
Evaluation of Alternate Solvents for Diethyl Ether in the Extraction of Uranium From Mallinckrodt Type Ore Feeds
Technical report evaluating solvents for use in the extraction of uranium from Mallinckrodt type ore feeds. Re-evaluates the Mallinckrodt process in the light of the more recent solvent extraction development that has been carried out at various AEC sites.
Date:
November 6, 1950
Creator:
Runion, T. C.
Object Type:
Report
System:
The UNT Digital Library
The Caldwell News and The Burleson County Ledger (Caldwell, Tex.), Vol. 64, No. 10, Ed. 1 Friday, October 6, 1950
Weekly newspaper from Caldwell, Texas that includes local, state and national news along with extensive advertising.
Date:
October 6, 1950
Creator:
Fall, George C.
Object Type:
Newspaper
System:
The Portal to Texas History
The Caldwell News and The Burleson County Ledger (Caldwell, Tex.), Vol. 63, No. 23, Ed. 1 Friday, January 6, 1950
Weekly newspaper from Caldwell, Texas that includes local, state and national news along with extensive advertising.
Date:
January 6, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Sweetwater Reporter (Sweetwater, Tex.), Vol. 53, No. 31, Ed. 1 Monday, February 6, 1950
Daily newspaper from Sweetwater, Texas that includes local, state and national news along with extensive advertising.
Date:
February 6, 1950
Creator:
Baker, Allen
Object Type:
Newspaper
System:
The Portal to Texas History