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DIFFUSION OF ELECTROPLATES. Final Report on a Part of Problem Assignment No. 381-ML-54-3, F.S. 17. Section T-IV
None
Date:
January 19, 1945
Creator:
Foote, F.; Clark, J.R.; Nelson, B.J. & Morris, H.
System:
The UNT Digital Library
Nitrogen 12
N{sup 12} is shown to have a half life of 12.5 {+-} 1 milliseconds, and a positron upper limit of 16.6 {+-} 0.2 Mev. It is produced by the reaction C{sup 12}(p,n)N{sup 12}, and has a threshold proton energy of 20.0 Mev. This indicates that N{sup 12} is within about 200 Kev of being unstable against proton emission. The mass of N{sup 12} is 12.0228 {+-} 0.00015, and the beta transition is allowed.
Date:
January 19, 1949
Creator:
Alvarez, Luis W.
System:
The UNT Digital Library
Precipitation of Thorium Oxalate From Nitric Acid Solutions
Report documenting the results of experiments to test the solubility of thorium oxalate in nitric acid solutions and effect of excess oxalic acid. it includes graphed and tabular results: "Tabulation of Results of Oxalate Precipitations."
Date:
January 19, 1946
Creator:
Ayers, A. S.
System:
The UNT Digital Library
Technical Department report on Production Test No. 313-40-M: Machinability of heavy metal
None
Date:
January 19, 1945
Creator:
Grills, R. C.
System:
The UNT Digital Library