Proving mathematical theorems usually involves the proof of
an implication, p --> q. Often it is convenient to prove the implication
by proving one which is equivalent to or "stronger" than the original
theorem. Proofs of this type are called indirect proofs.
In Chapter I five forms of indirect proofs...
This study sought a better understanding of the mechanism of
the near-ultraviolet inhibition of microsclerotia and pigment formation
in the fungus Verticillium albo-atrum Reinke & Berth. by observing
changes which occur in certain major biochemical components:
lipids, chitin, RNA, DNA, protein carbohydrates, and pigment.
The most important finding was that...
This thesis investigates a way to fabricate P-N junctions by
percussive welding. The theoretical basis of percussive welding, design
considerations of the apparatus used, and the electrical characteristics
of the junctions were the main objectives of this investigation.
P-type silicon wafers and gold wire doped with arsenic as a
N-type...
Thermal decomposition of several di-p-toluenesulfonylhydrazones
was studied. It was found that the carbene decomposition
of tetramethyl-1,3-cyclobutanedione, di-p-toluenesulfonylhydrazone
gave two products resulting from
rearrangement. One was identified as 2,5-dimethyl-1,3,4-hexatriene. A tentative structure for the second was
proposed. During the course of the study, a more convenient
procedure for thermal decompositions was...
G. F. Drukarev has given a method for solving the Fredholm
equations which arise in the study of collisions between electrons
and atoms. He transforms the Fredholm equations into Volterra
equations plus finite algebraic systems. H. Brysk observes that
Drukarev's method applies generally to a Fredholm integral equation
(I-λ G)u...