The theoretical aspects and fabrication techniques of
a new surface field-effect transistor were investigated.
The new MOS-transistor uses a three-layer structure
similar to those found in bipolar transistors. The new MOS
structure introduces an impurity gradient in the channel
region of the transistor and also makes it possible to reduce...
Alnus rubra (Bong. ) seedlings were grown in sand culture and
irrigated with nutrient solution containing CdCl₂
ranging from 5 μg to 100 mg per liter. Treatment of A. rubra seedlings for 4 weeks
with 50 and 100 mg CdCl₂
per liter of nitrogen-free nutrient solution
decreased in situ nitrogenase...
The purpose of this research is to develop methods to
translate a certain machine independent intermediate
language (IML) to efficient horizontal microprograms for a
class of microprogrammable machines. This IML has been
developed by Malik (12) and is compiled directly from a
high level microprogramming language used to implement a...
This investigation was designed to determine whether or not the nonverbal behaviors of junior high and secondary school science students could be systematically analyzed. It was further determine what relationship exists between the nonverbal behaviors of students and their attitude. The hypotheses investigated were as follows: H₁: A valid and...
The ultrastructure of the oviduct and the hormonal induced
alterations in the cellular organelles of prepubertal and ovariectomized
rabbits have been studied with electron-microscopic histochemical
methods.
The pseudostratified epithelium of the oviduct in prepubertal
rabbits contained both ciliated and secretory cells. The secretory
cells showed apocrine projections filled with electron-dense...
Myelin formation in the chick embryo sciatic nerve was examined
during development by analysis of three myelin lipids (cholesterol,
phospholipids, and cerebrosides) and of a myelin related
enzyme (2', 3'-cyclic AMP 3'-phosphohydrolase). The role of the
Schwann cell in controlling the synthesis of these myelin components
was studied by in...
The ability of Streptococcus diacetilactis to inhibit a variety of
food-borne pathogens and spoilage organisms in milk and broth cultures
was demonstrated. Test organisms inhibited included Pseudomonas
and Alcaligenes species, Eschericia coli, Salmonella, Staphylococcus
aureus, Clostridium perfringens and Vibrio parahaemolyticus.
In general, approximately 99.0% and 99.9% inhibition was
observed in...
The purpose of the research was to computerize mathematical
procedures for the analysis of range vegetation and environmental
data. The specific objectives were as follows:
1. to develop and apply computer techniques to the classification
of vegetation in order to provide a phytosociological
framework within which to investigate the ecology...
Cheletomorpha lepidopterorum (Shaw), a predaceous, prostigmatid
mite, was studied under laboratory conditions of 20° - 30° C
and 80% - 90% R. H. to determine its effectiveness as a possible
biological control agent of Acarus farris (Oud. ), a graminivorous
mite which infests stored grains and grain products. Although
Cheletophyes...
Plant tissues contain a wide variety of phenolic compounds,
frequently in high concentration. Both non-covalent association of
intact and oxidized phenols and covalent linkage of oxidized phenols
to protein occur. Such interactions can have important biochemical
and nutritional significance.
A model system approach was used to identify and quantitate
amino...
The Purpose of the Study
The primary purpose of the study was to determine the common
professional education competencies of educational engineers. The
respondents in the study included public school district superintendents,
public school district business managers, school planners from public
school districts, staff members of teacher training institutions,
community...
Statement of the Problem This study was designed to determine whether or not the use of
multilevel materials would influence to a statistically significant degree
posttest scores on a comprehensive objective test. The high
school basic business multilevel materials on business organizational
structure were compared with materials having a reading...
The purpose of this study was to ascertain to what degree, if
any, there was a difference of opinion among students, parents and
faculty in regard to student behavior as that behavior pertained to
general conduct, drug use, mischief, sex offenses, drinking, cheating
and theft.
The research study was conducted...
Preliminary toxicity studies of BCNU in rats revealed that significant
prolongations of pentobarbital hypnosis were associated with
all doses employed. Investigations were undertaken to determine the
underlying mechanism responsible for this observed effect. Studies
on the in vitro metabolism of pentobarbital by hepatic microsomes
of BCNU-treated animals demonstrated that significant...
In the determination of binding heterogeneity and rotational
diffusion relaxation times, fluorescence decay curves often take the
form of sums of exponential decay times. An instrument is described
which includes features permitting the collection of high precision
time decay data, which may successfully be resolved into component
decays.
The instrument...
The study was conducted in order to learn of the extent to which
attrition exists among students enrolled in the first-year accounting
course in Oregon community colleges, the factors tending to contribute
to the problem, and the approaches which might be used to
help alleviate the problem.
The design of...