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THREE NEW DELAYED ALPHA EMITTERS OF LOW MASS
Two new positron active isotopes, B{sup 8} and Na{sup 20}, have been found to decay to excited states of Be{sup 8} and Ne{sup 20}, which in turn decay 'instantaneously' by alpha emission. Their half-lives are 0.65 {+-} 0.1 sec. and 1/4 sec. respectively. N{sup 12} is also found to have a low energy positron group which leads to an {alpha}-unstable excited state in C{sup 12}. The masses of B{sup 8} and Na{sup 20} are 8.027 and 20.015 respectively. B{sup 8} decays by a 13.7 {+-} 0.3 Mev positron, through the same excited state of Be{sup 8} as does Li{sup 8}. Estimates of the energies of the excited state in C{sup 12} and Ne{sup 20} are made.
Date:
May 31, 1950
Creator:
Alvarez, Luis W.
Object Type:
Report
System:
The UNT Digital Library
The El Reno Daily Tribune (El Reno, Okla.), Vol. 59, No. 27, Ed. 1 Friday, March 31, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 31, 1950
Creator:
Harle, Budge
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The El Reno Daily Tribune (El Reno, Okla.), Vol. 59, No. 131, Ed. 1 Monday, July 31, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 31, 1950
Creator:
Harle, Budge
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The El Reno Daily Tribune (El Reno, Okla.), Vol. 59, No. 260, Ed. 1 Sunday, December 31, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 31, 1950
Creator:
Dyer, Ray J.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The El Reno Daily Tribune (El Reno, Okla.), Vol. 59, No. 158, Ed. 1 Thursday, August 31, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 31, 1950
Creator:
Dyer, Ray J.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Dublin Progress (Dublin, Tex.), Vol. 62 YEARS, No. 2, Ed. 1 Friday, March 31, 1950
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
March 31, 1950
Creator:
Perry, Francis E.
Object Type:
Newspaper
System:
The Portal to Texas History
The Shamrock Texan (Shamrock, Tex.), Vol. 47, No. 18, Ed. 1 Thursday, August 31, 1950
Weekly newspaper from Shamrock, Texas that includes local, state, and national news along with advertising.
Date:
August 31, 1950
Creator:
Montgomery, Arval
Object Type:
Newspaper
System:
The Portal to Texas History
The Denison Press (Denison, Tex.), Vol. 21, No. 40, Ed. 1 Friday, March 31, 1950
Weekly newspaper from Denison, Texas that includes local, state and national news along with advertising.
Date:
March 31, 1950
Creator:
Anderson, LeRoy M.
Object Type:
Newspaper
System:
The Portal to Texas History
The Bogata News (Bogata, Tex.), Vol. 38, No. 23, Ed. 1 Friday, March 31, 1950
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
March 31, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The McGregor Mirror and Herald-Observer (McGregor, Tex.), Vol. 61, No. 43, Ed. 1 Friday, March 31, 1950
Weekly newspaper from McGregor, Texas that includes local, state, and national news along with advertising.
Date:
March 31, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Corrosion of Construction Materials in 234-5 Project Solutions
The following report covers the construction materials selected for laboratory corrosion studies and the determination of their corrosion rates in process solutions.
Date:
January 31, 1950
Creator:
Koenig, W. W.
Object Type:
Report
System:
The UNT Digital Library
Progress Report on Refining of MgX and Other Uranium-Bearing Materials
From abstract: "Results of two methods of reducing the phosphate and vanadate contents of MgX, a uranium precipitate from the Belgian Congo, are described...Chemical analyses of several samples of pitchblende and MgX are presented."
Date:
August 31, 1950
Creator:
Ewing, R. A.; Kiehl, S. J., Jr. & Bearse, A. E.
Object Type:
Report
System:
The UNT Digital Library
Topical Report on Refining of MgX and Other Uranium-Bearing Materials
This report discusses a study which explores the effects of feed and acidity on extractive methods. From abstract: "Results from fractional precipitation of MgX from dilute sulfuric acid solutions indicate that, in the presence of sufficienct iron, phosphate is precipitated as ferric phosphate, and not as uranyl phosphate."
Date:
December 31, 1950
Creator:
Ewing, R. A.; Belcher, R. L.; Kiehl, S. J., Jr. & Bearse, A. E.
Object Type:
Report
System:
The UNT Digital Library
Progress Report on the Concentration of Pitchblende
Abstract: "The results of leaching studies on sulphide froth products obtained from the flotation of high-sulphur pitchblende are presented. The distribution of molybdenum in flotation products is also given. The flotation test at Middlesex is evaluated."
Date:
December 31, 1950
Creator:
Wesner, A. L.; Tangel, O. F. & Richardson, A. C.
Object Type:
Report
System:
The UNT Digital Library
The Caldwell News and The Burleson County Ledger (Caldwell, Tex.), Vol. 63, No. 35, Ed. 1 Friday, March 31, 1950
Weekly newspaper from Caldwell, Texas that includes local, state and national news along with extensive advertising.
Date:
March 31, 1950
Creator:
Fall, George C.
Object Type:
Newspaper
System:
The Portal to Texas History
Sweetwater Reporter (Sweetwater, Tex.), Vol. 53, No. 26, Ed. 1 Tuesday, January 31, 1950
Daily newspaper from Sweetwater, Texas that includes local, state and national news along with extensive advertising.
Date:
January 31, 1950
Creator:
Baker, Allen
Object Type:
Newspaper
System:
The Portal to Texas History
Sweetwater Reporter (Sweetwater, Tex.), Vol. 53, No. 77, Ed. 1 Friday, March 31, 1950
Daily newspaper from Sweetwater, Texas that includes local, state and national news along with extensive advertising.
Date:
March 31, 1950
Creator:
Baker, Allen
Object Type:
Newspaper
System:
The Portal to Texas History
Bastrop Advertiser (Bastrop, Tex.), Vol. 98, No. 26, Ed. 1 Thursday, August 31, 1950
Weekly newspaper from Bastrop, Texas that includes local, state and national news along with extensive advertising.
Date:
August 31, 1950
Creator:
Standifer, Amy S.
Object Type:
Newspaper
System:
The Portal to Texas History
Sweetwater Reporter (Sweetwater, Tex.), Vol. 53, No. 129, Ed. 1 Wednesday, May 31, 1950
Daily newspaper from Sweetwater, Texas that includes local, state and national news along with advertising.
Date:
May 31, 1950
Creator:
Baker, Allen
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Attorney General Opinion: V-993
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: Construction and interpretation of H.B. 321, Acts 51st Leg., 1949, Ch. 553, p. 1070.
Date:
January 31, 1950
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Texas Attorney General Opinion: V-1025
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: Wife is a necessary party to a tax foreclosure suit, the property involved being the homestead but the separate property of the wife and her children by a prior marriage.
Date:
March 31, 1950
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Texas Attorney General Opinion: V-1115
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Price Daniel, regarding a legal question submitted for clarification: May Travis County issue bonds for the purpose of widening and improving Congress Avenue Bridge in Austin.
Date:
October 31, 1950
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Fission Product Analysis of Urine
A method has been adapted from ion exchange studies for removal of the fission products, Cs-137, Sr-90, and the rare earths for both untreated urine samples and the supernates from the precipitation steps in the TTA procedure for plutonium. Because of the excessive amount of eluant necessary to separate the fission products and the resulting time required to run a separation, a method was developed to remove the Sr-Y, Ce and Pr by chemical means and Cs from the raffinate of this extraction by ion exchange. It should be noted that Cs is easily separated from Pu in the separations plant, and that is presence as a contaminate in the outer areas is not as probable as the other long-lived fission products. This fact has been born out in three years of analyzing contaminated samples from the 200 Area by the H.I. Development Divisions.
Date:
May 31, 1950
Creator:
Thorburn, R. C.
Object Type:
Report
System:
The UNT Digital Library
San Antonio Register (San Antonio, Tex.), Vol. 20, No. 11, Ed. 1 Friday, March 31, 1950
Weekly newspaper from San Antonio, Texas that includes local, state, and national news along with advertising.
Date:
March 31, 1950
Creator:
Andrews, U. J.
Object Type:
Newspaper
System:
The Portal to Texas History