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Half-Life of Polonium
Abstract: "The half-life of polonium has been measured by a calorimetric method using samples several thousand times larger than have been previously available. The value is found to be 138.3 +/- 0.1% days."
Date:
September 9, 1946
Creator:
Beamer, William H. & Easton, William E.
System:
The UNT Digital Library
The Detection of Uranium by X-ray Spectrometry
Abstract: "The possibility of detecting small quantities of uranium with an X-ray spectrometer was investigated. An X-ray spectrograph was modified by substituting a geiger counter for the photographic film. Both primary and secondary methods of excitation were studied. Radiation background of high intensity and variability limits the sensitivity of the present apparatus to 1%. Suggestions are made for increasing the sensitivity of the method."
Date:
April 9, 1946
Creator:
Saunders, B. G.; Burkhart, L. E. & Larson, C. E.
System:
The UNT Digital Library
Evaluation of Gust and Draft Velocities from Flights of P-61c Airplanes within Thunderstorms August 7, 1946 to August 13, 1946 at Orlando, Florida
This report presents the results obtained from gust and draft velocity measurements within thunderstorms for the period August 7, 1946 to August, 13, 1946 at Orlando Florida. In several of the surveys, indications of ambient air temperature were obtained from photo-observer records. These data are summarized in the report.
Date:
December 9, 1946
Creator:
Tolefson, Harold B.
System:
The UNT Digital Library