<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 ...

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<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 ...

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 ...

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, ...

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 ...

<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 ...