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Determination of reactivity coefficients and rod calibration of D Pile. Interim report on Production Test No. 105-97-P
The test of March 7, 1947 was planned as a check on power coefficient values; however, an analysis of reactivity data gave evidence of a considerable flattening of ``A`` rod in the region between 0--75 inches out. A second test of longer duration was therefore made on April 1, 1947 in order to obtain a check calibration of this portion of the control rod. The results of this test verified the flattening of this portion of ``A`` rod. The redetermined power coefficients based on new rod calibrations are given.
Date:
April 25, 1947
Creator:
Kruesi, F. E.
System:
The UNT Digital Library
Photographic film as a pocket radiation dosimeter
The energy dependence of film blackening is discussed and shown graphically. The exposure range of films is discussed, and blackening is plotted vs exposure for DuPont No. 502, and for the less sensitive DuPont No. 351. A plan is then described for monitoring radiation exposure to workers by requiring the worker to carry an x-ray film of dental packet size in a badge designed for the purpose. (LEW)
Date:
April 25, 1944
Creator:
Pardue, L. A.; Goldstein, N. & Wollan, E. O.
System:
The UNT Digital Library