Chromium, an element of widespread use, is toxic in some
forms. Improper disposal of waste chromium products has
resulted in contamination of many sites throughout the United
States, including the United Chrome Products Superfund site
in Corvallis, Oregon. A better understanding of chromium
chemistry is needed to facilitate the remediation...
Feedlot finishing of beef cattle in Southern Alberta involves
income risk due to the variability of prices of feeders, feed and
finished cattle. Several strategies are available to reduce this
risk, including hedging of cattle on feed, participation in a Federal-
Provincial government and producer established income stabilization
program for...
This presentation and the 1986 visit to Oregon were by invitation from Oregon State University and the Wine Advisory Board, and supported by the Sokol Foundation. The ideal cooperation of Professor Porter Lombard and Mr. Steve Price is most gratefully acknowledged. We were in a learning experience, and humble in...
Two studies were conducted involving rare earth elements. In the
first study, the use of rare earth diethylenetriaminepentaacetic acid
(DTPA) complexes as stable actiable tracers, a method of stable-isotope
tracing with post-sampling neutron activation analysis, was explored.
The persistence of rare earth DTPA complexes in estuarine waters was
measured in...
Yield, proximate composition, and proteolytic activity were
determined in each unit operation during production of surimi from
Pacific whiting. Preliminary studies involved the addition of protein
adjuncts such as egg white (EW), whey protein concentrate (WPC), and soy
protein isolate (SPI), at different levels, to kamaboko gels in order to...
I studied abundance patterns and habitat use of eight cavitynesting bird species in the Coast Ranges of Western Oregon during the
spring and summer of 1985 and 1986. Three age classes of unmanaged Douglas-fir (Pseudotsuga menziesii) stands were selected for study:
young (40-80 yrs), mature (80-200 yrs), and old-growth (>200...
Pectinmethylesterase (PME) activity in fresh cucumber
fruit was determined. The effects of several cationic
species, temperature, pH, and acetic acid on the activity
of cucumber PME was investigated. The efficacy of
blanching, infiltration with CaCl₂ or acetic acid, and
fermentation with 0 and 40 mM CaCl₂ on inhibition of
cucumber...
This study sought to chronicle the increased presence of the
foreign athlete in NCAA Division I track and field and to assess the
competitive motivations of American and foreign track and field
athletes. Recruiting pipelines, as well as the successes of foreign
athletes on U.S. university track and field teams,...
Purpose
The purpose of this study was to determine the degree to which
the readability of accounting textbooks and two-year accounting students'
reading ability were related to academic achievement.
Procedure
This research used two designs. Design one consisted of two
samples from the population of two-year accounting students. One
sample...
Studies to identify the environmental factors that influence the rate of ectotrophic mycelial growth of Phellinus weirii (Murr.) Gilbertson along Douglas-fir roots were undertaken both in the laboratory and in the field. The effects of soil pH, nitrogen, moisture, temperature, microorganisms and bulk density were investigated. In the lab, the...
This compilation of theses and dissertations (a part of the OSU Bibliographic Series) for the period 1970-1977 reflects this university's emphasis on research and graduate study. It may be viewed as an indicator of the contributions made to the state of Oregon through graduate study and research at Oregon State...
I have investigated nucleoprotein organization in
chromatin of the yeast, Saccharomyces cerevisiae. My
approach has been to prepare insoluble, minimally per
turbed chromatin from a mitochondrial DNA-free strain of
yeast, using a number of new techniques, and then digest
this substrate with micrococcal nuclease. The soluble
products are electrophoresed on...
This study examined the effect that three environmental
hues had on subjects' work performance and on mood levels of
anxiety, depression, and arousal in an office work environment.
Pre-test post- test measurements of differences in work performance
and mood levels were used to test twelve hypotheses. Work
performance was measured...
The presence and significance of salmon for prehistoric and aboriginal people of the Columbia Plateau is a matter of considerable debate among anthropologists, archaeologists and historians. Data from over 100 archaeological sites are scrutinized in the light of an example salmon fishery developed from ethnographic and archaeological information on aboriginal...
The research examines the reasons for and value of both deliberate
and amorphous mutual-aid societies that influenced the life
and success of an individual who lived in seventeenth-century Edinburgh,
Scotland, and the Massachusetts Bay Colony. Information is
developed to allow a contextual comparison of life in both areas.
The mutual-aid...
Significant use of cold in-place recycling (CIR) has occurred in
Oregon since 1984 as an alternative to other rehabilitation techniques
or to the reconstruction of distressed asphalt concrete (AC) pavements.
Due to the initial success of the projects cold recycled during 1984-85,
the Oregon Department of Transportation (ODOT) and Oregon...
Published August 1980. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
In recent years, the role of the City Manager in municipal
policy making has been the focus of considerable attention and debate in
both the academic and local government arenas. The purpose of this
study was to determine the differences in views of elected mayors and
appointed managers with regard...
This is a listing of both PhD and Master's· theses relating to the areas of forestry issued during the period from July 1976 to June 1981. The
list is arranged first by state, then by college or university within each state. Authors of theses are arranged alphabetically under each of...
Proceedings of the 57th Annual Western Orchard Pest and Disease Management Conference, held January 13-15, 1983 at the Imperial Hotel in Portland, Oregon.
The distribution of agricultural production for
continuous consumption requires the capacity to maintain
inventories which are large relative to the rate of
utilization. As a result, the demand for inventories is a
critical element in the pricing of agricultural
commodities. A component of inventory demand, referred to
here as reservation...
The prevailing image of the Northwest at the
beginning of the nineteenth century, as portrayed on maps
published at the time, was based more on myth and wishful
thinking than on geographic fact. During the next fifty years
these myths were exploded as exploration of this previously
unknown territory progressed,...
Work is presented which explores the properties and nature of
the P-form of DNA. Initially the P-form represented an unknown
state of DNA which occurred when this molecule was in a solvent of
47.5% methanol, 5% water, and 47.5% ethanol, and which showed properties
of both native and denatured conformations....
Oregon's minimum stream flow program is intended to protect
certain instream flow values by maintaining sufficient stream
flows to support aquatic life and to minimize pollution. The
increasing demand for consumptive uses of water, as well as certain
deficiencies in the laws, policies, and administration of the program,
bring into...
The principal objective of this analysis is the
development of a methodological approach that would
permit a more complete evaluation of the physical and
economic consequences of prohibited species by-catch
(PSC) losses, such as occur in the harvest of groundfish.
To achieve efficient management of the several marine
species involved...
Several levels of eukaryotic chromatin structure have
been observed: the nucleosome, the 10 nm and 30 nm fibers
and loop domains, apparently attached to the nuclear
matrix. In this research, the structure and function of
chromatin at two of these levels was investigated, with
studies on both nucleosome positioning and...
In February 1905 the Oregon State Academy of Sciences formed in
Portland to promote scientific research and diffusion of scientific
knowledge in Oregon. The founders also planned to assist in the
discovery and development of the state's natural resources. The
Academy was the first scientific society in Oregon with professional...
Over the past decade, federal as well as state
legislation has been passed to eliminate discrimination and
create equality in the workplace. However, the attitudes of
professionals are not as easily changed. Many barriers still
face female executives entering the corporate level. This
study examined the attitudes of professionals in...
Proceedings of a workshop held November 15 and 16 1983. This is the first in a series of Regional Publications by the Western Computer Consortium. The Consortium is comprised of Western Land Grant Universities and is designed to share computer related information between faculty and staff of the member institutions....
The 109-year-old Porter house in Shedd, Oregon is one of few
remaining, well-preserved examples of Rural Gothic architecture in the
Willamette Valley. This study attempts to record its history: the
economic circumstances which led the pioneering David Putnam Porter
family to build this relatively large house, the family background,
and...
The research undertaken consisted of the study of three topics
affecting the performance of asphalt concrete mixtures, that is, mixing
moisture, oxidative aging and higher tire pressures and axle loads.
This thesis presents the findings of the research comprising these
three topics.
In the first study, the effects of mixing...
Fisheries economics is a recognized body of research
which is characterized by the joint study of economics,
the biological characteristics of fishery resources, and
the policies (regulations) used in the management of
fisheries. This thesis is composed of three papers,
each of which is primarily associated with one of the...
Evidence supporting the contribution of American high school
curricula to student transition from school to work was inconclusive.
Social science research indicated that high school programs had little
effect upon student achievement after leaving school. This study
developed a model to identify factors that influence the transition
from school to...
The purpose of this study was to examine and compare the effectiveness
of two approaches in nutrition education instruction among culturally
diverse adolescents: the teacher-oriented lecture approach and the
student-oriented instructional design approach. The study was
designed to help culturally diverse students gain a basic
understanding of practices that promote...
This study centered upon two objectives. First, to demonstrate and apply a statistical method, the transfer function, and to test its usefulness in regional economic modeling and regional impact ana1ysis; and second, to obtain a better understanding of the causal relationships among total employment, government employment, lumber and wood products...
Allegro is a network database management system being developed at Oregon State University. This project adds a user friendly query facility to the system. The user is presented with pictorial display of the network records and a query interface modeled on the Query-By-Example system. By request the user may be...
Published May 1986. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Phage-insensitive Streptococcus cremoris starter strains were
selected by assaying cheese whey against potential starter
strains. Six strains were selected and characterized for continual
use in cheesemaking. Upon phage-infection, strains were removed
from the blend. Cheesemaking continued with remaining strains. A
phage-insensitive, fast-acid-producing mutant of the infected
strain was isolated and...
Modern agricultural erosion was studied using ¹³⁷Cs from
fallout as an indicator of erosion/deposition. The study area was a
285 ha agricultural watershed in the hilly western margin of the
Willamette Valley, a high winter rainfall zone in which fall-planted
crops are commonly grown.
Objectives of the study were (i)...
The cattle industry in the Pacific Northwest is characterized by a large number of producers. Individual contributions to the market have little effect in moderating potential fluctuations in the prices received for the various classes of cattle. Price volatility is of constant concern to producers in planning future production, with...
The association of hyaluronic acid (HA) into a double stranded
structure has been investigated by circular dichroism (CD)
spectroscopy into the vacuum ultraviolet region. The CD of HA changes
dramatically, monitoring a cooperative transition as the dielectric
constant of an aqueous solution is reduced by adding organic solvents.
This structural...
Champoeg, located along the Willamette River, developed
as a transportation center for both river and overland
travel and as a shipping point for agricultural products.
Retired employees of the Hudson's Bay Company were the first
to settle in the area, in the 1830s. American settlers
began arriving in large numbers...
About 7,000 years ago two major tephra-falls blanketed the
Pacific Northwest in volcanic ash. These two tephra-falls, identified
as the Llao and climatic tephra-falls, were a part of the eruptive
events that led up to the collapse of Mount Mazama to form Crater Lake
in the southern Oregon Cascades.
The...
The rainbow trout (Oncorhynchus mykiss) model
of chemical carcinogenesis is becoming increasingly
important as a supplement to rodent studies. However,
much of the molecular biology of the carcinogenic
response is still unknown in the trout model. The ras
gene family has been implicated in the tumorigenesis of
both spontaneous and...
The Purpose of the Study:
The purpose of this study was to examine early teacher
attrition through a follow-up of Washington County teachers
in Oregon who left the profession with five years of experience
or less. Focus was given to background data and
areas of greatest professional concerns for former...
Biogeochemical data from four small watersheds in the Silver Creek study area, southwestern Idaho, provide the basis for: 1. An estimate of chemical and erosional denudation rates (CD and ED), 2. an estimate of plagioclase weathering rate, 3. a rational basis for estimating the rate of nutrient supply to soil...
Fast acid-producing streptomycin-resistant mutants for several
strains of lactic streptococci currently used in commercial Cheddar
cheese manufacture were isolated. Their isolation involved use of a
recently developed differential plating medium that allows identification
of fast acid-producing colonies. Both parents and mutants were characterized
with regard to growth, acid production, proteolytic...
This work examines the varied populations which have inhabited the South Fork region from prehistoric times to the present.
It disclosed that even though almost no archaeology has been done
in the area, data from contiguous regions suggest that persistent
and careful archaeological investigation should reveal valuable
and informative sites...
This monograph gives a brief biography of Reed W. Ferris and discusses his vocational and avocational work at the Beaver cheese factory in Tillamook County, Oregon. From 1930 to 1943, Ferris banded nearly 33% of the birds banded along the Oregon coast that were later recovered. Ferris banded 8,000 seabirds...
The purpose of this study was to evaluate the effectiveness
of a one-hour in-service nutrition education
workshop for high school coaches in Corvallis, Eugene and
Salem, Oregon. The objectives were to determine: 1. if
the workshop can make positive changes in nutrition knowledge;
2. which type of participant benefits most...
Polyphenol oxidase (PPO) from strawberries was purified,
partially characterized, and used to study its role in the degradation
of anthocyanin pigments. The extraction method included the use of a
buffered solution containing the phenolic binders Polyclar AT and
Amberlite XAD-4. Addition of Triton X-100 resulted in an increase of
the...
The primary foci of the study were to determine the relationships
among perceptual modality, temporality, and academic achievement,
and to develop implications for the academic counseling of
middle school students based on the findings.
The sample was composed of 613 students enrolled in Prineville
Junior High School. The Edmonds Learning...
Fluctuating feeder cattle prices have a direct affect on the
revenue variability of feeder cattle producers. Hedging in the commodity
futures market is a marketing strategy which can, if properly used, reduce
the financial risk of feeder cattle producers. If the closing
basis value is known when a hedge is...
At the May 19, 1982 meeting of the Governing Council of the
United Nations Environment Program, Kenya President Daniel Arap
Moi summarized a growing international feeling that there is a
need for non-governmental organizations (NGOs) to get more
involved in international conservation efforts with the following
statement:
"The issue before...
From July 1985 to April 1987 the pelagic zooplankton community of Crater Lake, Oregon was studied to determine taxonomic structure, absolute and relative densities, and spatial and temporal distributional patterns. Samples were collected using vertically-towed zooplankton nets. The community structure consisted of two cladoceran and nine rotifer species, which were...
The cocondensation reactions of molybdenum trioxide vapor with
tetraalkoxysilanes, trimethylalkoxysilanes, and hexamethyldisiloxane
at -196°C were investigated. The products from the metal vapor
reactions of tetramethoxysilane, tetraethoxysilane, and tetrapropoxysilane
were characterized as molybdenum(VI)dioxodialkoxy compounds. The isolated compounds were found to be polymeric in the
solid state by bridging through alkoxide groups....
The purpose of this study was, first, to investigate whether there
is a vitamin B-6 requirement for carnitine synthesis and, second, to investigate
the effect of fasting on vitamin B-6 metabolism. An experimental
group of 72 rats (6 per group) were fed either a vitamin B-6 deficient
diet (-B6) (ad...
During the summer of 1986, an archaeological testing project was
completed at seven prehistoric campsites primarily located in the
upper Deschutes River Basin of central Oregon. Testing was focused on
two low-density "lithic scatters", an archaelogical site type which is
especially abundant in this obsidian-rich region but which, to date,...