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ScholarsArchive at Oregon State University
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Atrazine, atratone and ametryne are asymmetric s-triazine
herbicides used pre- and post-emergence on many crops. Under
conditions unfavorable for microbial activity, these compounds
may persist in the soil for long periods of time.
This study was...
1964-05-06 (iso8601)
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Three species of true firs in the Pacific Northwest--Abies gran-dis, grand fir; A. amabilis, Pacific silver fir; and A. lasiocarpa,
subalpine fir--are severely damaged or killed by an imported insect
pest, the balsam woolly aphid (Chermes...
1964-05-14 (iso8601)
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The role of nitrate oxygen as a terminal acceptor of hydrogen
stands as a unique form of bacterial respiration. As nitrate is reduced
to nitrite on to the gaseous state (N₂, N₂O) the substrate is
oxidized to give the requisite energy for cell...
1965-02-27 (iso8601)
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Purpose of the Study:
The purpose of this research was to study the school districts
in Umatilla County as they existed in 1962-3 and to formulate a
guide for reorganization of these districts into sound efficient units.
The following sub-factors...
1964-11-02 (iso8601)
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This paper discussed the human electrocardiogram, the instrumentation
used to graphically record it, and the design and performance
of a specialized system for vector cardiography: the Vector Electrocardioscope
(VECS) System. The introduction...
1964-08-31 (iso8601)
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Institutions of higher education face a global mandate, understanding and addressing the concept of internationalization in the 21st century. As the world becomes "smaller", there is a need for college students to expand their awareness and...
2014-05-16 (iso8601)
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This project was a continuation of work started by Mark Ingman after he was bothered by the amount of plastic sheeting used in agriculture in China. He was determined to develop an alternative to this environmentally destructive use of plastic by...
2014-05-23 (iso8601)
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It has been observed and documented that Pisaster ochraceus has very striking colors, but the reasons behind the coloration are still unknown. Three coloration categories were determined and used for a feeding trial study to investigate the...
2014-05-27 (iso8601)
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The Speckled dace (Rhinichthys osculus) is the most widespread minnow in western North America (Gilbert and Williams, 2002). It has diversified widely across its range—both morphologically and genetically—and as such might rightly be called a...
2014-05-23 (iso8601)
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The undisputed cost-effectiveness of the anti-homelessness program “Housing First” is well established in the empirical literature, but fewer studies have considered the impact of the program on individual residents. This mixed-methods study...
2014-05-09 (iso8601)
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One of the most explosive social forces of modern-day society
is the phenomenon of urban intrusion into predominantly rural areas.
The recentness of this "explosion" has not yet allowed for a crystallization
of conceptual clearity as to just where...
1965-05-13 (iso8601)
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The effect of 2-aminoethyl-2-thiopseudourea[superscript .]Br[superscript .]HBr (AET),
2-mercaptoethylamine[superscript .]HC1 (MEA) and trisodium calcium chelate of
diethylenetriaminepentaacetic acid (CaNa₃DTPA) on the radiosensitivity
of rat fetus...
1964-06-12 (iso8601)
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Concern over the apparent lack of education for personal
and family living for high school students prompted
this study to discover the beliefs of British Columbia Home
Economics teachers regarding classes for Grade 12 students.
A questionnaire...
1964-07-27 (iso8601)
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This thesis pursues a flexible understanding and definition of
dis/ability as a broadly and liberally applied mark of stigma. It asks
questions that develop a deeper understanding of how disability
influences mētis, a knowledge or cunning use...
2014-05-01 (iso8601)
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Previous studies have suggested that negatively valenced faces (e.g., angry faces) automatically capture attention away from faces with other emotional valences (e.g., happy faces and neutral faces). The present study evaluated two experiments...
2014-05-29 (iso8601)
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An experimental investigation has been made of the effect of
vibration on heat transfer from a cylinder in crossflow. The
cylinder used was 3/16-inch in diameter and was sinusoidally
oscillated in the vertical direction by a mechanical drive...
1964-07-16 (iso8601)
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The purpose of this project was to study the reactions of 1-(α-pyridyl)-3-buten-1-ol (compound I) and to determine whether or
not the products of some of its reactions are quinolizinium salts.
Reaction of compound I with bromine or iodine yields...
1964-12-14 (iso8601)
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Urban centers, in part, are in the process of deterioration. Consequently, land values in these areas, both
in dollars and in contribution to the community, remain
dormant or depressed. There seems little doubt that
there will be greater pressure...
1964-08 (iso8601)
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Since the use of N, N-diethylaniline hydrochloride in the chlorination
of uric acid with phosphoryl chloride seems to promote the
reaction, a study of the effect of other salts of nitrogenous bases in
the chlorination of uric acid was undertaken....
1965-04-03 (iso8601)
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