Published September 1939. 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
The purpose of this study was to assist the development of an
improved technical teacher education program. Specifically, the
project sought to determine what, if any, factors in the backgrounds
of successful technical teachers may have accounted for their success
in teaching. To provide information to this end, the investigation...
Oakland is a quiet, peaceful little town on the Calapooya Creek surrounded by rolling hills and little valleys. This little booklet is written with the intention of preserving the history of our pioneers and contains a number of the names of the people who took doriation Land Claims and is...
Phosphate, silicate and nitrate concentrations in the sea off
the coast of Oregon were determined to study their seasonal distribution
patterns. The water samples were collected monthly along the
east-west hydrographic line off Newport, Oregon, from the shore to
165 miles (310 km) offshore. The samples were analyzed by both...
Problem
While the primary emphasis of this study was on the professional
aspects of a business teacher's preparation, by necessity it was
concerned with other aspects of the preparation of business teachers,
especially as these relate to the so-called "professional sequence."
Thus the purpose of the study was to seek...
The acyclic monoterpene geraniol was biosynthesized from
¹⁴CO₂ in Pelargonium graveolens (rose geranium) and isolated from
the hexane-extractable fraction in five experiments. Experiments 1
and 2 were preliminary experiments in which the total incorporation
of label into geranium oil was determined. In experiments 3 and 4a and
4b both incorporation...
There has been no toxicologic proof that the long-term, low-level
exposure of man to chlorophenothane (DDT) is linked with an
increased susceptibility to toxicity or disease. Acute pretreatment
of rats with 75-100 mg/kg DDT has been demonstrated to potentiate
CCI₄-induced hepatotoxicity in that species (McLean and McLean,
1966). Since the...
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...
The stoichiometric model of organic decomposition in seawater
(Redfield, Ketchum, and Richards, 1963) was used to describe the
oceanic distribution of total carbon dioxide. It was assumed that the
concentration of total carbon dioxide was the sum of three terms:
(1) the initial concentration of carbon dioxide, (2) the increase...
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...
It is necessary to evaluate and compare the characteristics of
various methods of accessing data-files in order to utilize economically
both the hardware and the software (Space and Time) supported
by the digital on-line system. The purpose of this paper is to
describe and evaluate the structure and use of...
Aflatoxins B₁, Q₁ and aflatoxicol, R [subscript o] F, but not B₂ were activated in the presence of NADPH by the 105,000 x g pellet from rainbow
trout (Salmo gairdneri), Mt. Shasta strain, liver to products lethal to
Bacillus subtilis GSY 1057 (metB4, hisAl, uvr-1). Electron microscopy
confirmed the microsomal...
The primary purpose of this study was to determine the work values of the emotionally disturbed adolescents and to compare these values with those indicated by adolescents
of the same age level from a regular public school. A secondary objective was to compare the work values of the age levels,...
Semen characteristics and egg production of male and female
commercial broiler breeders maintained in cages or on litter floors
were evaluated over a 24-week period. Semen was collected from males
caged singly or in pairs on a schedule of 3, 5, and 10 times (3X, 5X,
and 10X) weekly from...
The purpose of the study was to develop a system and procedure for classifying and cataloguing the textile, costume, and slide collections of the Clothing, Textile, and Related Arts (CTRA) Department at Oregon State University. Investigation was made by letter, personal visit, interview with faculty and curators, and literature research...
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...
One of the alternative energy-saving methods in a
conventional distillation process is the use of side
(intermediate) reboiler and/or condenser for a portion
of the overall heat load. A nonlinear differential equations
model was developed to describe the dynamics of a
typical binary distillation process with and without
the side...
Transition metal and rare earth element (REE) data are presented
for various sedimentary materials from two Manganese Nodule
Program (MANOP) sites in the eastern tropical Pacific. These data
constrain the sources of elemental supply to the seafloor and the
processes that control ferromanganese nodule genesis. Investigation
of elemental partitioning between...
The objectives were to investigate the ability of a two-factor
central composite rotatable design (CCRD), using cooking temperature
(CT) and endpoint temperature (ET) as independent variables, to
predict selected chemical, physical and sensory meat quality
characteristics considered important by the industry, researcher and
consumer alike. Response surface analysis (RSA) was...
Twenty-seven male college football linemen from the Oregon State
University football team served as subjects for the study to determine
which variables in strength and power would be best suited for use in
regression analysis with tibial nerve conduction velocity (TNCV). The
purpose of the investigation was to determine whether...
Nucleation and growth kinetics of oxygen precipitates and bulk
defects in epitaxial silicon wafers were investigated. Low temperature
nucleation heat treatments were applied to the well characterized
epitaxial silicon wafers before and after the epitaxial deposition
processing. Subsequently the wafers were heat treated at a high
temperature.
In the case...
The Columbia River Gillnetter is the pilot of the Lower Columbia River commercial fishing industry, keeping fishermen and the public in touch with today's important issues.
The usefulness of preplant nitrogen (N) in establishing
alfalfa in colder production areas has not been
well characterized. This study was conducted to determine
the effect of preplant N and soil temperature on
yield, percent N derived from biological nitrogen fixation
(PBNF), and shoot N concentration in alfalfa (Medicago
sativa...
Published January 1993. 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
This is a bibliography of doctoral dissertations and masters' theses in forestry and related topics issued during the period from July 1981 through June 1990. The colleges and universities included are all accredited by the Society of American Foresters. The actual listings were supplied by the individual institutions. Topics covered...
The Forest Service and the Bureau of Land Management propose to adopt coordinated ecosystem management direction for the lands they administer within the range of the northern spotted owl. This Supplemental Environmental Impact Statement (SETS) presents as alternatives the options, with slight modifications, developed by the Forest Ecosystem Management Assessment...
One of the greatest technological breakthroughs of humanity was the ability to construct a device and eventually a system which would provide a more efficient, safe, clean, convenient and relatively inexpensive form of illumination than ever used previously electric light. The introduction of this new technology into Oregon communities in...
This thesis presents an examination of the nearshore wave bottom boundary layer
under conditions of significant sediment response. Using both field observations and
simple models, the response of the bottom boundary layer to random waves is shown to
have a complex behavior. First, the linearized wave bottom boundary layer governing...
Concerns have been expressed that wheat (Triticum aestivum L.) cultivars selected under optimum conditions may lack adequate adaptation for stress environments. Experimental populations were grown under three environmental conditions 1) optimum, 2) reduced irrigation, and 3) high temperature. Field experiments were conducted at the Center for Northwest Experimental Station (CIANO),...
The Greenbelt Land Trust (GLT) (a grass-roots conservation group in
Oregon) is interested in a conservation plan for the Marys River Corridor. To
facilitate this effort, a resource inventory was required and a Geographic
Information System (GIS) data base used to compile the inventory (called the
Marys River Project (MRP))....
In a constant weight code, each code word contains a constant number of 1's. If this number is equal to half the length of the code word then the code is called balanced. These codes find many applications in computer and communication systems noise reduction in VLSI systems, fault masking...
Spectral integration methods have been introduced for constant-coefficient two-point boundary value problems by Greengard, and pseudospectral integration methods for Volterra integral equations have been investigated by Kauthen. This thesis presents an approach to variable-coefficient two-point boundary value problems which employs pseudospectral integration methods to solve an equivalent integral equation. This...
Under researched somatosensory contributions to postural stability, in addition to high incident rates of foot injury in the physically active population, lead to two investigative studies. An initial research study compared variables of two postural stability assessment devices to determine reliability of outcome measures and commonality of outcome measures to...
La présente communication a pour but de démontrer, sur une base comparative, comment la variable ethnique joue un rôle incontournable pour comprendre les modalités du travail féminin dans la pêche en Afrique de l'Ouest, A partir de recherches bibliographiques effectuées au Québec, en France et lors d'un terrain en Côte...
A study was conducted to investigate if morphometric facial measurements could be utilized to differentiate five categorical performance types of Quarter Horses. The five categories being Western, Halter, English, Reining, and Cutting. The measurements were collected from 323 registered Quarter Horses representing animals who ranged in age from one year...
This research explored the self-concept of Chicanas in terms of their lived experiences and how those experiences influenced the shaping of their identity. It examined the multiple labels Chicanas use to self-identify and the context or situations in which they use specific labels. Moreover, it took into account the influence...
Diatoms are single celled algae that form cell walls made primarily of silicon
dioxide (SO₂). The metabolic machinery that gives diatoms the ability to biogenically
form highly ordered solid silica from soluble silicon extracted from their external
environment provides a unique platform to create novel nanostructured materials
inexpensively and with...
A huge discrepancy between theory and practice exists in one popular application area of functional programming--spreadsheets. Although spreadsheets are the most frequently used (functional) programs, few formal models of computation and type systems exist that would provide the foundation for creating reliable spreadsheets. Consequently, existing spreadsheets contain many errors, some...
Focus on Forestry is published by Oregon State University College of Forestry. Our goal is to keep Forestry alumni, friends, faculty, staff, and students informed about the College of Forestry and its many activities and programs.
To increase the knowledge needed to successfully implement the ecosystem-based approach to fishery management, this dissertation investigates important issues within the economics of choice and the economics of displacement. In particular, a discrete choice model of the fishing location decision in the Newport, Oregon bottom trawl groundfish fishery is estimated...
In this thesis, I conduct an analysis of blogs in order to understand their potential use in the composition classroom with the goals of students writing for a public audience and developing their rhetorical and civic agency. I do so by exploring the potential for the blogosphere as a public...
Since the early 1980s, satellite imagery has been commonly used to detect change
in wetlands. The overall objective of this study is to utilize remote sensing and
Geographic Information Systems (GIS) technology to determine the extent of change of
the wetland area and of other land use and land cover...
In the presence of internal or external stressors, the body requires sources of energy that aide cells to combat inflammation. Fatty acids are an important source of energy and are vital components of cell membranes. Dietary fatty acids (n-6 and n-3) are of importance in immune function because they are...
Oxidative stress that occurs during cryopreservation may be reduced by the addition of antioxidants. Vitamin E (Vit E), Vitamin C (Vit C), glutathione (GSH), lipoic acid (LA), glycine betaine (GB) and polyvinylpyrrolidone (PVP) were applied at four steps of the PVS2 vitrification protocol (pretreatment, loading, rinsing, and regrowth). Shoot tips...
In this thesis we develop a theoretical framework for the identification of situations where the equal frequency (EF) or equal variance (EV) subclassification may produce lower bias and/or variance of the estimator. We conduct simulation studies to examine the EF and EV approaches under different types of model misspecification. We...
Neptunium, with its rich redox chemistry, has a special position in the chemistry of actinides. With a decades-long history of development of aqueous separation methods for used nuclear fuel (UNF), management of neptunium remains an unresolved issue because of its not clearly defined redox speciation. Neptunium is present in two,...
Vertisols and other vertic-intergrade soils are found all over the globe, including many agricultural and urban areas. These soils are characterized by their cyclical shrinking and swelling behaviors, where bulk density and porosity distribution both vary as functions of time and/or soil moisture. In turn, alterations in physical soil parameters...
Passage of blood through a sorbent device for removal of bacteria and endotoxin by specific binding with immobilized, membrane-active, bactericidal peptides holds promise for treating severe blood infections. Peptide insertion in the target membrane and stable binding is desirable, while membrane disruption and release of degradation products to the circulating...
Current cadmium telluride and copper indium gallium diselenide thin-film solar cells
(TFSCs) utilize thick absorbers (2 - 4 μm). For efficient carrier extraction in these TFSCs,
the absorber layer requires high carrier mobilities and a long minority carrier lifetime, which
necessitates the use of a high purity, defect-free thin film....
End-user programmers often struggle to create programs that run quickly and effectively, which can be a major deterrent in completing their tasks as desired. Current research has primarily focused on catching user mistakes, such as errors or misused formulas. However, end users deal with issues other than just correctness. In...
Shallow coastal waters serve an important role as long-term carbon (C) sinks because they capture terrestrial C
and retain internally produced C in wetlands and sediments. We show that tropical cyclones (TCs) can lead to
rapid CO₂ efflux from estuaries, driven by physical and biogeochemical perturbation of these coastal C...
Amorphous multicomponent metals have promising applications in novel electronic devices because of their atomically smooth surface morphology and lack of grain boundaries. It is important to understand the thermal transport properties of amorphous metals and an accurate measurement of their thermal conductivity will be essential for further improvement of device...
Cyanobacterial harmful algae blooms (cyanoHABs) are a growing concern worldwide due to damage of ecosystems and threats to human health. Previous research indicates that plant humics from aquatic and wetland vascular plants are effective inhibitors of cyanobacterial metabolism and growth and may be useful as control agents for mitigating cyanoHABs....