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Survey of Nonmetallic Liquid Coolants for Nuclear-Power Piles
A comprehensive survey of the literature was made in an effort to identify nonmetallic materials of possible usefulness as liquid coolants. Materials having maximum melting points of 1000 deg F and boiling points of l200 deg F were considered, but boiling points above 2200 deg F were preferred. Melting points, boiling points, densities, heat capacities, and thermal conductivities were tabulated. Approximately 190 materials appeared to have melting and boiling temperatures in a suitable range. A paucity of thermal- conductivty and heat-capacity data prevented further estimates of suitability of all but nine of these materials. Of these nine nonmetallics, only sodium hydroxide appeared to offer possibilities when considered according to the NEPA formula. (M.C.G.)
Date:
May 26, 1950
Creator:
Shaw, H.L. & Boulger, F.W.
Object Type:
Report
System:
The UNT Digital Library
High Energy Excitation Functions in the Heavy Region
The electrostatically deflected beam of the 184-inch cyclotron has been used with the stacked foil and absorber technique to determine the excitation functions for the following reactions: Th{sup 232}(p,6n)Pa{sup 227}, Th{sup 232}(p,3n)Pa{sup 230}, Th{sup 232}(d,7n)Pa{sup 227}, Th{sup 232}({alpha},p8n)Pa{sup 227}, Th{sup 232}({alpha},p5n)Pa{sup 230}, and U{sup 238}(p,{alpha}8n)Pa{sup 227}. The data are presented graphically and discussed individually for each of the reactions. Some rough excitation function data have also been determined for the reactions Th{sup 232}(d,4n)Pa{sup 230}, U{sup 238}(p,{alpha}5n)Pa{sup 230}, Th{sup 232}({alpha},7n)U{sup 229}, and Th{sup 232}({alpha},6n)U{sup 230}. The results are discussed in terms of compound nucleus formation, transparency effects, and other factors in order to arrive at a qualitative picture for the mechanism of high energy nuclear reactions with heavy nuclei.
Date:
September 26, 1950
Creator:
Meinke, W. W.; Wick, G. C. & Seaborg, G. T.
Object Type:
Report
System:
The UNT Digital Library
The New Element Berkelium (Atomic Number 97)
An isotope of the element with atomic number 97 has been discovered as a product of the helium-ion bombardment of americium. This isotope decays with the emission of alpha-particles of maximum energy 6.72 Mev (30 percent) and it emits lower energy alpha-particles of energies 6.55 Mev (53 percent) and 6.20 Mev (17 percent). The half-life of this isotope is 4.6 hours and it decays primarily by electron capture with about 0.1 percent branching decay by alpha-particle emission. The mass number is probably 243 as indicated by chemical separation of the alpha-particle and electron-capture daughters. The name berkelium, symbol Bk, is proposed for element 97. The chemical separation of element 97 from the target material and other reaction products was made by combinations of precipitation and ion exchange adsorption methods making use of its anticipated (III) and (IV) oxidation states and its position as a member of the actinide transition series. The distinctive chemical properties made use of in its separation and the equally distinctive decay properties of the particular isotope constitute the principal evidence for the new element.
Date:
April 26, 1950
Creator:
Thompson, S. G.; Ghiorso, A. & Seaborg, G. T.
Object Type:
Report
System:
The UNT Digital Library
The El Reno Daily Tribune (El Reno, Okla.), Vol. 59, No. 231, Ed. 1 Sunday, November 26, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 26, 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. 22, Ed. 1 Sunday, March 26, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 26, 1950
Creator:
Harle, Budge
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The El Reno Daily Tribune (El Reno, Okla.), Vol. 59, No. 205, Ed. 1 Thursday, October 26, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 26, 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. 127, Ed. 1 Wednesday, July 26, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 26, 1950
Creator:
Harle, Budge
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Shamrock Texan (Shamrock, Tex.), Vol. 46, No. 39, Ed. 1 Thursday, January 26, 1950
Weekly newspaper from Shamrock, Texas that includes local, state, and national news along with advertising.
Date:
January 26, 1950
Creator:
Montgomery, Arval
Object Type:
Newspaper
System:
The Portal to Texas History
The Dublin Progress (Dublin, Tex.), Vol. 62 YEARS, No. 10, Ed. 1 Friday, May 26, 1950
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
May 26, 1950
Creator:
Perry, Francis E.
Object Type:
Newspaper
System:
The Portal to Texas History
The Denison Press (Denison, Tex.), Vol. 21, No. 48, Ed. 1 Friday, May 26, 1950
Weekly newspaper from Denison, Texas that includes local, state and national news along with advertising.
Date:
May 26, 1950
Creator:
Anderson, LeRoy M.
Object Type:
Newspaper
System:
The Portal to Texas History
The Shamrock Texan (Shamrock, Tex.), Vol. 47, No. 26, Ed. 1 Thursday, October 26, 1950
Weekly newspaper from Shamrock, Texas that includes local, state, and national news along with advertising.
Date:
October 26, 1950
Creator:
Montgomery, Arval
Object Type:
Newspaper
System:
The Portal to Texas History
The Bogata News (Bogata, Tex.), Vol. 38, No. 31, Ed. 1 Friday, May 26, 1950
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
May 26, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The McGregor Mirror and Herald-Observer (McGregor, Tex.), Vol. 61, No. 51, Ed. 1 Friday, May 26, 1950
Weekly newspaper from McGregor, Texas that includes local, state, and national news along with advertising.
Date:
May 26, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Caldwell News and The Burleson County Ledger (Caldwell, Tex.), Vol. 63, No. 43, Ed. 1 Friday, May 26, 1950
Weekly newspaper from Caldwell, Texas that includes local, state and national news along with extensive advertising.
Date:
May 26, 1950
Creator:
Fall, George C.
Object Type:
Newspaper
System:
The Portal to Texas History
Sweetwater Reporter (Sweetwater, Tex.), Vol. 53, No. 22, Ed. 1 Thursday, January 26, 1950
Daily newspaper from Sweetwater, Texas that includes local, state and national news along with extensive advertising.
Date:
January 26, 1950
Creator:
Baker, Allen
Object Type:
Newspaper
System:
The Portal to Texas History
Sweetwater Reporter (Sweetwater, Tex.), Vol. 53, No. 48, Ed. 1 Sunday, February 26, 1950
Daily newspaper from Sweetwater, Texas that includes local, state and national news along with extensive advertising.
Date:
February 26, 1950
Creator:
Baker, Allen
Object Type:
Newspaper
System:
The Portal to Texas History
Sweetwater Reporter (Sweetwater, Tex.), Vol. 53, No. 72, Ed. 1 Sunday, March 26, 1950
Daily newspaper from Sweetwater, Texas that includes local, state and national news along with extensive advertising.
Date:
March 26, 1950
Creator:
Baker, Allen
Object Type:
Newspaper
System:
The Portal to Texas History
Bastrop Advertiser (Bastrop, Tex.), Vol. 98, No. 34, Ed. 1 Thursday, October 26, 1950
Weekly newspaper from Bastrop, Texas that includes local, state and national news along with extensive advertising.
Date:
October 26, 1950
Creator:
Standifer, Amy S.
Object Type:
Newspaper
System:
The Portal to Texas History
Bastrop Advertiser (Bastrop, Tex.), Vol. 97, No. 48, Ed. 1 Thursday, January 26, 1950
Weekly newspaper from Bastrop, Texas that includes local, state and national news along with extensive advertising.
Date:
January 26, 1950
Creator:
Standifer, Amy S.
Object Type:
Newspaper
System:
The Portal to Texas History
Sweetwater Reporter (Sweetwater, Tex.), Vol. 53, No. 151, Ed. 1 Monday, June 26, 1950
Daily newspaper from Sweetwater, Texas that includes local, state and national news along with advertising.
Date:
June 26, 1950
Creator:
Baker, Allen
Object Type:
Newspaper
System:
The Portal to Texas History
Sweetwater Reporter (Sweetwater, Tex.), Vol. 53, No. 99, Ed. 1 Wednesday, April 26, 1950
Daily newspaper from Sweetwater, Texas that includes local, state and national news along with advertising.
Date:
April 26, 1950
Creator:
Baker, Allen
Object Type:
Newspaper
System:
The Portal to Texas History
Sweetwater Reporter (Sweetwater, Tex.), Vol. 53, No. 125, Ed. 1 Friday, May 26, 1950
Daily newspaper from Sweetwater, Texas that includes local, state and national news along with advertising.
Date:
May 26, 1950
Creator:
Baker, Allen
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Attorney General Opinion: V-990
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: The status of H. B. 656 and S. B. 425, Acts 51st Leg., 1949, relative to contributing to child delinquency in view of apparent inconsistency between them.
Date:
January 26, 1950
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Texas Attorney General Opinion: V-1046
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: The legality of a bank's maintaining deposit facilities in a garage building attached to a bank building by a tunnel below the street.
Date:
April 26, 1950
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History