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Oralloy Cylindrical Shape Factor and Critical Mass Measurement in Graphite, Paraffin, and Water Tampers
Critical mass of an Oy (93.9%) sphere in graphite is given as a function of graphite tamper thickness. It was shown that approximately 20(in) of graphite is effectively infinite and that the approximately 17(in) used herein is approximately 98% infinite. Critical mass measurements of Oy (93.9%) spheres and cylinders of different diameters are given for approximately 17(in) graphite tamper, for effectively infinite paraffin tamper, and for effectively infinite water tamper. From these measurements cylindrical shape factors were computed. Both shape factors and critical masses are shown in Figs. 22 and 23 as function of the critical height to diameter rate of the cylinders.
Date:
October 27, 1951
Creator:
Mallary , E. C.; Paxton, Hugh Campbell & White , R. H.
System:
The UNT Digital Library
Sample Collector and Counter
From abstract: "An apparatus is described which automatically separates a flow of drops into a series of equal samples."
Date:
July 27, 1954
Creator:
Deal, James B., Jr. & Buchen, John F.
System:
The UNT Digital Library
Installation of a Chemical Research Laboratory
Installation of a chemical research laboratory.
Date:
January 27, 1948
Creator:
Sheinberg, H. & Thomas, R. L.
System:
The UNT Digital Library