Data from the southern Cascade Mountains of
Oregon has been collected for application in computer
analysis of snowfields. Vegetation type, canopy
cover, slope, aspect, insolation, and snowfield
ground truth delineation are given consideration.
In addition, a procedure for transferral of data
onto Landsat imagery was derived.
Corn oil (CO) and Sterculic foetida oil (SFO) fed rats were
injected with [9, 10-methylene-¹⁴C]sterculic acid. Less than 1%
of the label was expired as carbon dioxide. The majority of the
label was excreted in the urine as short-chain dicarboxylic acids with
an intact cyclopropane ring. The major metabolites for...
The response of three hardwoods from Ghana and a hardwood and
three softwoods from the United States to liquid and gas-phase impregnation
was investigated. Impregnation with liquids included a sink-float
test in a water-glycerine solution and pressure treatment with a copper
sulphate solution and creosote under identical treating conditions.
Flow...
A study was conducted to determine the heat transfer characteristics
of pin finned heat sinks in natural convection. Three pin
diameters were studied: 0.238 cm, 0.318 cm and 0.396 cm. The pins
were attached to the base in two arrangements, triangular and
rectangular, forming a horizontal array. Pin spacing was...
Esophageal fistulation, stomach content analysis, fecal analysis,
and ocular-estimate-by-plot are four of the most publicized methods
of determining the diets of large herbivores. The principal objective
of this study was to compare the relative values of each of these
methods based upon information collected from bi-fistulated (esophageal
and rumen) sheep...
Between 1967 and 1973, California, Oregon,
and Washington all established state-wide systems for
the preservation of land in its natural state. These
set aside parcels of land may be termed as Natural
Area Preserves. The history of each state's public
systems, different establishment procedures, and
management policies are discussed.
The experimental measurements of the decay heat from
the products of the thermal fission of U-235 have been compared
with the OSU-proposed decay heat standard. These experiments
are intended to verify the decay heat calculational
methods and nuclear data files. The comparisons have
included the previous experiments reviewed by Perry...
The development of the energy crisis has caused the
use of depletable energy resources to be monitored quite
closely in the United States. Within the agricultural
sector, irrigation is a large user of energy, with the
potential of using many times more energy than all other
agricultural field operations. A...
A continuous amperometric monitor for aqueous sulfite solutions
has been developed employing the electro-oxidation of sulfur (IV)
in 0. 1 M sulfuric acid at a glassy carbon test electrode. The monitor
employs a hydrodynamic flow cell, in which the solution stream
enters the cell through an orifice impinging on the...
The genotype frequencies of one-year-old oyster spat
(Crassostrea gigas) from parents of known genotype, are compared
to the frequencies expected with Mendelian inheritance. The genotypes
are characterized at three enzyme loci, Aspartate amino-transferase
(AAT), Phosphohexose isomerase (PHI) and Leucine
aminopeptidase (LAP), and a general protein locus. In this study
expression...
In this research a model is developed to predict population for relatively
rural areas experiencing rapid economic development. Of the many
ways to predict population size, in this research a "demographic-economic"
model is chosen for use. The economic variables which aid in projecting
population are total employment, and net changes...
In an attempt to provide a practical means to measure the information
processing capacity of a real-time digital processing system a
theoretical framework, the Real-Time Schemata, whose basis is a
schematic description and a measure of "useful information," is presented.
The description applies to processes that would typically be
implemented...
The sensitivity of Bacteroides nodosus, causative agent of sheep foot rot, to 24 selected antimicrobial agents was tested. Many contaminants ordinarily associated with foot rot lesions were sensitive to lincomycin while B nodosus demonstrated resistance to this antibiotic. A concentration of 1.08 μg of lincomycin/ml of basal medium optimally inhibited...
A method of calculating decay heat is presented which is a simplification of existing calculational methods, the summation method in particular. The method involves the assumption that one physical process, neutron capture, is negligible in order to simplify the governing physical equations. A Greens function is derived and the decay...
Nine Ca-Al-rich inclusions and one olivine inclusion
from Allende meteorite were studied for Ti, Al, Fe, Mg, Ca,
Na, Cl, K, Sc, V, Cr, Mn, Co, Ni, Zn,Hf, W, Ir, Au, Ta,
and Re -via INAA (instrumental neutron activation analysis)
and REE, Ba, Sr via RNAA (radiochemical NAA). The inclusions...
Extensive morphological and growth habit variations have been
reported for bitterbrush (Purshia tridentata), a widespread western
shrub frequently used in range revegetation projects. Hybridization
of this species occurs with cliffrose (Cowania stansburiana) at the
point of their overlapping range in Utah and is believed to be
responsible for expression of...
The two classic theories of the distribution of
cities in an urban system are the rank size rule
and central place theory. The rank size relationships,
as incorporated into G. K. Zipf's Principle
of Least Effort, is seen as the result of a balancing
of the opposing forces of urban...
Unit cell or pin cell calculations form the basis for
most nuclear core modeling. Because of this, it is of primary
importance to perform these unit cell calculations
accurately.
The subject of this thesis is the analysis of one of
the major approximations made in unit cell modeling, the
infinite...
Rural areas tied to natural resource-based economic activity are encountering
difficulties in preparing for economic growth and development.
An important problem facing local officials of such an area, Union County,
Oregon, is the identification of county characteristics that may induce
the expansion of local businesses and location of new plants....
The Farm Enterprise Committee of the Confederated Tribes of
the Umatilla Indian Reservation requested that an evaluation be made
of the Reservation land resource for the purpose of acquisition by the
Tribe as a part of a study of the feasibility of an expanded farm
enterprise. The Committee's primary goal...
The necessity for the evaluation of training methods on a between
methods basis is suggested. Current methods of training evaluations
are considered, and found to be generally deficient for their
lack of between technique comparisons. The necessity for an outline
of planned comparative analysis of training methods is indicated and...
The concept of a process is often used in connection with operations
of parts of a computer system. This thesis discusses processes
in terms of their use as representations of a physical object or system.
Five primitives are introduced as operators for allowing processes
to be run in a piecemeal...
The feasibility of fluidized bed combustion of coal for commercial
and industrial steam power generation has been established
and reported in the literature. Satisfactory removal of sulfur
oxides from the combustion product gases has also been reported.
In this experiment various heat exchanger tube patterns,
of commercial size tubes, were...
An interesting means of shoal removal has recently been implemented by the U.S. Army Corps of Engineers for use in shallow Pacific
Coast tidal inlets and estuaries. In the past, removal of shoaled material has consisted of physical excavation of material, transportation from the site, and placement in a spoils...
A model of a squirrel cage induction machine, d.c.-
link power supply and centrifugal pump is developed and
used in the design and evaluation of a perturbation feedback
control system for a sewage pumping station. A comparison
of the simulation model of the induction machine
and a laboratory machine to...
The purpose of this study was to investigate the
relationship between introductory lessons on creativity and
the creativity displayed in students' finished clothing
projects. The sample consisted of 22 students in the
experimental group and 26 students in the control group at
the intermediate level in high school clothing construction....
A Resource Planning and Management System (RPMS) and Goal
Programming algorithm are integrated into a tool for optimization of
resource allocation in university academic departments. The integrated
approach is then applied to the management models of the
Industrial and General Engineering Department at Oregon State
University and of the Industrial...
The arts and festivals of art have today become a vital economic
force in some areas of the country and a way of life for some people.
The number and sizes of festivals, as well as audience size, has
grown tremendously both nationally and in Oregon, since 1950. Even
the...
The objectives of this paper are (1) to apply
certain techniques for evaluation of social impacts in
a small community situation, and (2) to determine
whether or not the selected techniques are useful for
measuring the impact on community cohesion of a rapid
increase in single family housing in a...
The purpose of this study was to determine the nature and amountof genetic variation and possible associations between winterhardinessand earliness in winter x spring wheat crosses.Four winter wheat cultivars selected for differences in earlinessand winterhardiness were crossed with a nonhardy, day length insensitivespring wheat cultivar. The following year, experiments containing...
The purpose of this study was to describe the nature and extent
of managers' attitudes toward dispersed recreation, identify reasons
for managers' pro and con attitudes and to evaluate factors in the
managers' background which might be correlated with their attitudes
toward dispersed recreation,
Questionnaires distributed via agency were used...
Competition for the conventional supply of wood residue utilized
by the particleboard industry is increasing. Utilization of low
quality residues by the pulp and paper industry, new sawmill and
plywood recovery techniques, and the growing practice of converting
low quality residues into steam and electrical power have all cut into...
The bioavailability and pharmacokinetics of theophylline
in rabbits were determined following both oral and
intravenous administration of the drug. Serum theophylline
concentrations were determined using high pressure
liquid chromatography. Pharmacokinetic parameters were
determined and verified by computer analysis. The overall
mean Beta disposition constant was 0.089 hr⁻¹ which corresponds
to...
The life history of the strawberry root weevil, Otiorhynchus ovatus (L.), on peppermint was studied in the Willamette Valley of Oregon to provide the information necessary to develop effective control measures. Adult weevils emerged from the soil from late May until mid- June and were active in the field until...
The red-band trout is native to many small, isolated streams in southeastern Oregon. A study of the red-band population of Three-
mile Creek and Reservoir was conducted from August 1973 to June 1975. Data were collected concerning population size, age composition,
growth, biomass, recruitment, fecundity, and habitat. During the spring...
The microsporidan Pleistophora sp. is a common parasite of
Crangon franciscorum, C. nigricauda, and C. stylirostris in the
vicinity of Yaquina Bay, Oregon. Characteristics of the parasite are
described. Skeletal muscle was the only host tissue infected.
The seasonal prevalence and intensity of the parasite in
crangonids are described, based...
A dose related carcinogenic response was established for dimethylnitrosamine
administered in the diet of rainbow trout (Salmo gairdneri).
An equation was derived for the relationship between dose and hepatocellular
carcinoma incidence. From a published dose response study
using Porton rats as a test animal, a second equation was derived
for...
Decomposition of forest litter is a complex process
involving interactions between physical, chemical and
biological factors. As litter decomposes it is chemically
altered. Cation exchange capacities of litter represent a
means of characterizing the number of hydrophilic acid
groups. Some kind of soil-root ion exchange mechanisms are
utilized by the...
Extensive new trackline coverage of the Chile Trench between 23°S and 34°S, including more than 60 bathymetric and seismic reflection profiles across the trench axis, allows a much more detailed study of the tectonics and sedimentation of this feature than previously possible. Sediment distribution along the axis shows a remarkable...
Coliform contamination of a rural water system led to a
research project investigating the problems surrounding storage of
drinking water in redwood tanks. Field studies of redwood tanks
presently in use showed development of large coliform populations
(notably, Klebsiella and Enterobacter species) soon after tanks were
put into use. This...