Now showing items 1-10 of 32
Effect of degree of acetylation on mechanical properties of cellulose acetate films.
(Virginia Tech, 1956-06-12)
<p>Pour samples of cellulose acetates having degrees of combined acetic acid between 50.8 - 55.8% were fractionated to obtain sharp fractions or approximately the same degree ot polymerization.</p> <p> About 2000 grams ...
The influence of various molecular structures on the elimination maximum of fatty acids
(Virginia Tech, 1955-06-05)
Inheritance of chlordane resistance in the German cockroach, Blattella germanica
(Virginia Tech, 1955-08-05)
<p>The inheritance of resistance to chlordane in the German cockroach, Blattell germanica. (L.), was studied by determining the toxicity of chlordane to the following strains of roaches: a) chlordane-resistant and non-resistant ...
Inheritance of resistance to lindane in the German cockroach, Blattella germanica (L.)
(Virginia Tech, 1957-05-04)
1. The inheritance mechanism or resistance to lindane in the German cockroach, Blattella germanica (L.) was studied by determining the toxicity of lindane to the following populations ot cockroaches: a) lindane.resistant ...
Intensity distribution in cylindrical and bowl shaped transducers and sono-dialysis of a caustic solution
(Virginia Tech, 1956-07-09)
In ultrasonic processing, it has been a practice to measure intensity of ultrasonics as a product of plate current and voltage as indicated on ultra sonic generator. At low frequencies the standard equipment is available, ...
Upper Mississippian statigraphy of southwestern Virginia, southern West Virginia, and eastern Kentucky
(Virginia Polytechnic Institute, 1959)
Synthesis of some compounds of possible carcinogenic activity
(Virginia Tech, 1955-06-03)
The campaign against cancer has hardly any counterpart in the history ot all the natural sciences, and there is hardly a branoh ot the natural sciences which has not been mobilized in this veritable crusade. It we inquire ...
The rank analysis of triple comparisons
(Virginia Tech, 1957-08-05)
<p>General extensions of the probability model for paired comparisons, which was developed by R. A. Bradley and M. E. Terry, are considered. Four generalizations to triple comparisons are discussed. One of these models ...
An approximate solution for a cone-cylinder in axially symmetric transonic flow
(Virginia Polytechnic Institute, 1957)
The effect of ultrasonic irradiation on the specific reaction rate constant in the acid hydrolysis of ethyl acetate
(Virginia Polytechnic Institute, 1952)