Nine west-northwest-trending faults on the continental margin of
Oregon and Washington, between 43° 05'N and 470 20'N latitude, have been
mapped using seismic reflection, sidescan sonar, submersibles, and swath
bathymetry. Five of these oblique faults are found on both the Juan de Fuca
and North American plates, and offset abyssal...
Interspecific predation and cannibalism and associated rates of oviposition were
assessed for adult female Metaseiulus occidentalis (Nesbitt) and Typhlodromus pyri
Scheuten when provided non-limiting amounts of either eggs, larvae, protonymphs, or
deutonymphs. Tests with all four stages of phytoseiids and larvae of Tetranychus urticae
Koch were carried out at 25°C....
Six experiments were carried out with Single Comb White Leghorn laying chickens to
assess the effect of feeding a source of direct-fed microbials (Lactobacillus; Lacto) and its
carrier [condensed cane molasses solubles (CCMS)] on the retentions of fat, nitrogen and
several minerals; on the status of the pH of the...
A synthetic approach toward the two major fragments of cathedulin K-19,
euonyminol (4) and dimethyl cathate (69), was investigated. Synthesis of
dimethyl cathate was accomplished in 3 steps starting from 73. Efforts directed
towards the synthesis of euonyminol, a highly oxygenated dihydroagarofuran
sesquiterpene, was advanced to a stage in which...
Bidirectional reflectance is a fundamental property
used for the analysis of radiative heat transfer. It is a
form of reflectivity in which the spectral and directional
dependencies of both the beam incident on a surface and the
beam reflected from the surface are specified.
A new system has been designed...
More than 30,000 potential Superfund sites have been identified. Heavy metals are contaminants at many of these Superfund sites. The average cost of cleanup a single-typical Superfund site currently stands at $20 million, and it is expected that the cost may escalate to $50 million within the next decade. Problems...
An oscillating plasma glow discharge detector for gas
chromatography is used to obtain fingerprint information
about an analyte by combining both the average cell
current and oscillation frequency signals. Five homologs
each of the n-alkanes, 1-alkenes, 1-alkynes, 2-ketones and
aldehydes are studied. Although triplicate determinations
had some scatter due to...
The purpose of this study was to determine if the inferences derived from
the Kingore Observation Inventory as a screening device are sufficiently valid for
the identification of potentially gifted youngsters. Differences in predicting the
WISC-III Full Scale IQ scores and/or percentile ranks using the KOI were
assessed.
The value...
The purpose of this study was to describe and explain significant mentor/protege
relationships in professional ministry education. Through an exploratory, naturalistic inquiry,
the mentoring phenomenon was studied inductively, culminating in a descriptive theory that
illuminated the variables and their interrelationships on the ministerial campus.
The multiple case study design accommodated...
The probing behavior and feeding activity of green peach aphid, Myzus persicae
Sulzer, on Bacillus thuringiensis ssp. tenebrionis- transgenic potatoes, insecticide
treated potatoes, and host plants with different preference were electronically
monitored. I found that first, transgenic potatoes had no effect on green peach aphid
probing suggesting that transmission of...
The study examined dimensions of the family context associated
with variations in parent involvement and parent perceptions of children's
school achievement using data from 1,085 male and 2,239 female
respondents with a child between the ages of 5 and 18 years collected in the
1987-88 National Survey of Families and...
The thesis analyzes the demographic, attitudinal and
behavioral characteristics of animal rights activists,
placing them in the context of resource policy. It is
argued that the animal rights movement combined the
Victorian critique of empiricism with a reaction to
modernity that was characteristic of other contemporary mass
movements. Animal rights...
This paper presents two applications of empirical microeconomics
based on choice theoretic optimization principles. The first topic
explores the determinants of subsistence time allocation in a utility
theoretic model of household production. The second topic examines firm
pricing behavior in a deregulated, but concentrated industry setting.
The first part of...
The groundfish trawl fishery operating off the coasts of Oregon
and Washington 1985-1987 caught six major assemblages of species
which could be treated as units in developing mixed-species
management plans. Eighty-one percent of the tows observed on
commercial vessels were consistently placed in one of the assemblage
designations using three...
Families of remarriage constitute a growing number of
American families. The spiraling divorce rate of the 1970s
was accompanied by a concomitant increase in the number of
remarriages. Forty percent of American families today
contain at least one spouse that has been previously
married, thus studying relationships within families of...
Quality Capability Self-diagnosis is a convenient and
economical way to assess the performance of an operating
quality system, as well as a basis for initiating necessary
corrective actions essential to quality improvement and
preparation for certification. This paper describes the
research leading to the development of a cost-effective and
systematic...
Stochastic analysis procedures have been recently applied to analyze nonlinear
dynamical systems. In this study, nonlinear responses, stochastic and/or chaotic, are
examined and interpreted from a probabilistic perspective. A multi-point-moored
ocean structural system under regular and irregular wave excitations is analytically
examined via a generalized stochastic Melnikov function and Markov...
When large disturbances occur in interconnected power systems, there exists the danger
that the power system states may leave an associated region of stability, if timely corrective action
is not taken. Open-loop remedial control actions such as field-forcing, line-tripping, switching of
series-capacitors, energizing braking resistors, etc., are helpful in reducing...
Two epidemiological studies, designed to expand our knowledge of morbidity and
mortality indicators concerning malaria and Bacillus Calmette-Guerin vaccination in the
Hospital Albert Schweitzer health district located in Central Haiti's Artibonite Valley, are
presented. The hospital serves a rural population of 190,000 in its 610 square mile
district. A large...
Studies investigating the effects of feeding diets
containing the yeast, Saccharomyces cerevisiae var.
boulardii (SCB), and a yeast culture (YC) containing S.
cerevisiae were conducted in market turkeys and Medium White
turkey breeder hens.
Increased utilization of dietary gross energy, N, Ca,
P, B, K, Mg, and Mn were observed...
Accurate determinations of body composition, fat mass (FM) and fat-free
mass (FFM) are of interest to scientists as well as many individuals
who serve as health and fitness practitioners. Currently, researchers and
practitioners use a variety of indirect methods to determine body
composition. Traditional methods of estimating percent body fat...
This study examined the teaching experiences of six elementary student
interns from Oregon State University, Corvallis, OR during fall and winter quarters,
1991. The primary intent of the study was to examine critically the roles and
effects of mind styles as applied in actual classroom instruction and learning, in
terms...
The Delton Silent Reading Test, Forms A and B, was
developed as an alternate test for the Schonell Silent Reading
Test which is currently used for screening the reading
comprehension of special students. The aim of the Delton
Silent Reading Test is to achieve greater consistency in mid-year
and mid-program...
This study investigated the relative effectiveness of
three instructional strategies on the learning of an overarm
throw among preadolescent females. Subjects were randomly
assigned to one of the following instructional strategies:
a correct model supplemented with verbal cues, a learning
model supplemented with verbal cues, and verbal cues only.
The...
Many divorcing persons turn to treatment programs hoping for assistance in
managing the process of divorce. Treatment programs include individual as well as
group process models. One of the goals of most group process programs is to
generate peer support which in turn is hoped to facilitate the process of...
The purpose of this case study was to explore the
perceptions of school district administrators and members
of the community about the influence of school-based
activities had on voter behavior. The case study focused
on a school district in the Willamette Valley of Oregon.
Interviews were held with the school...
This study attempted to answer the following question: What instructional methods should dietetic preceptors use to help dietetic interns meet the performance requirements specified by the American Dietetic Association (ADA, 1991) for entry-level dietitians? A national sample of 170 dietetic preceptors was surveyed. Ninety provided usable information to examine both...
Current research on sport motivation has focused primarily on
goal perspective approaches in an attempt to understand behavior in
achievement situations (Ames, 1984; Nicholls, 1984). According to
Nicholls' (1984) theory, the achievement goal orientation an
individual develops may be influenced by both individual differences
and situational factors.
Relative to situational...
Three aspects of Subsynchronous Resonance (SSR) related problems in power
systems are addressed in this dissertation which aims at contributing to a better
understanding of these problems.
Subsynchronous Resonance (SSR) problems in series compensated steam-turbine
power systems co-exist with the beneficial effects provided by the series capacitors.
Since the early...
Knowledge-Based Model Construction (KBMC) has generated a lot of attention
due to its importance as a technique for generating probabilistic or decision-theoretic
models whose range of applicability in AI has been vastly increased. However, no
one has tried to analyze the essential issues in KBMC, to determine if there exists...
The studies presented here use the B- to Z-DNA transition and Z-DNA
crystallization as model systems to determine the contribution of solvent interactions to
macromolecular structures. The substituent groups of naturally occurring and modified
nucleotide bases affect the hydration and thus the stability of right-handed B-DNA and
left-handed Z-DNA. The...
The purpose of this research was to explore
non-persistence by vocational students in the College of Career
and Vocational Education at the University of Alaska Anchorage.
A cohort of 156 students were identified and tracked from fall
1989 through spring 1992.
In the first part of the study, using the...
The relationships between types of wealth components and consumption
expenditures were investigated as a means of better understanding retired
elderly household well-being. Specifically, the concept of mental account was
used to identify the characteristics of different types of wealth components, and
four mental accounts were identified: flow of investment, current...
Quantitative habitat models of wildlife-habitat relationships are developed to
formalize our current understanding about an ecological system. A habitat
association model is one of these models that is useful for answering questions
about how the habitat is occupied, how much growth habitat is required by the
animal, or how the...
Comparative morphological and anatomical studies of the dispersal mechanisms
characterizing the wheat complex (Triticum L. and Aegilops L.) have documented
patterns of adaptive radiation which may have significance for evolutionary
relationships. These patterns, which form an array of diverse types of diaspores
among the diploid taxa, appear conceptually to have...
In 1987, Congress authorized a 5 year $150 million dollar research program called
the Strategic Highway Research Program (SHRP). SHRP was divided into four major
areas, including the asphalt research program. The asphalt research program was divided
into six major research contracts, one such contract, SHRP-003A was called Performance
Related...
Demographic characteristics of juvenile Dover sole
(Microstomus pacificus) were examined in relation to
physical and biotic factors to develop a hypothesis
explaining annual variations in recruitment. Surveys were
conducted along the Oregon continental shelf at depths
between 50-400 m bimonthly during 1989 and annually (in
March) between 1990 and 1993....
The engineering design process and the advancement of future computer-aided-design systems need new design aids to be used during the conceptual design phase. This design phase is where information gathering and understanding of the problem are developed, analyzed and broken into small more manageable elements. These elements consist of customer...
A novel protocol for the study of protein-nucleic acid interactions is presented and demonstrated
to be feasible. The protocol combines photochemical crosslinking techniques and mass
spectrometric methods into a new strategy for identifying protein domains or amino acid residues
that are in close contact with nucleic acid in protein-nucleic acid...
This follow-up study investigated the effect of a systems-oriented graduate
training program upon system thinking among practitioners who had completed training,
using a post-test only, treatment-comparison group design. The subjects consisted of
practitioners matriculated through two counselor-related programs at a medium-sized
college in the Northwest during the years 1985-1991. A...
This thesis proposes an approximate maximum likelihood estimator and
likelihood ratio test for parameters in a generalized linear model when two or
more random effects are present. Substantial progress in parameter estimation
for such models has been made with methods involving generalized least squares
based on the approximate marginal mean...
The primary purpose of this study was t determine the
difference in "career progress" and satisfaction between
cooperative education/internship graduates and non-coop/
intern graduates of a small, private, non-engineering
college. A secondary purpose was to determine which other
independent variables (age; gender; SAT score; GPA; percent
of related work) contributed...
The incipient motion of sediment particles in gravel-bed
rivers is a very important process. It represents the
difference between bed stability and bed mobility. A field
study was conducted in Oak Creek, Oregon to investigate
incipient motion of individual particles in gravel-bed
streams. Investigation was also made of the incipient...
The main focus of this work is on the problem of existence of nonlinear optimal controllers
realizable by artificial neural networks. Theoretical justification, currently
available for control applications of neural networks, is rather limited. For example,
it is unclear which neural architectures are capable of performing which control
tasks. This...
Multiparadigm languages are languages that are designed to support more than one style of programming. Leda is a strongly-typed multiparadigm programming language that supports imperative, functional, object-oriented, and logic programming. The constraint programming paradigm is a declarative style of programming where the programmer is able to state relationships among some...
Mechanical behavior of Nb-Ti superconducting composites with copper matrices have
been studied experimentally and theoretically.
Experimental work includes extensive measurements of Cu/Nb-Ti composite system.
Techniques for fine fiber testing and composite wire measurement have been developed.
Experimental parameters examined in this research include geometry, hardness, Young's
modulus, Poisson's ratio, yield...
In a comparison of the mammalian and fish immune systems many similarities and differences are found. While most of the differences occur in the acquired or lymphoid arm of immunity, the nonlymphoid immune systems of fish and mammals share many similarities. For instance, both animal groups use phagocytic neutrophils and...
The objectives of this research were to 1) evaluate the establishment and peak standing crop of Berber Orchardgrass (Dactylis glomerata var. "Berber"), Palestine Orchardgrass (Dactylis glomerata var. "Palestine"), and Sheep Fescue (Festuca ovina var. "Covar") ; 2) to assess establishment and production changes resulting from environmental gradients (elevation, slope, aspect,...
In this dissertation, multi-rate array (MRA) architecture and its synthesis are proposed
and developed. Using multi-coordinate systems (MCS), a unified theory for mapping
algorithms from their original algorithmic specifications onto multi-rate arrays is
developed.
A multi-rate array is a grid of processors in which each interconnection may have its
own...
We introduce a relativistic model for pion-nucleon scattering which includes an elementary
delta dressed by its decay. Crossing-symmetric single-particle exchange
is augmented by parametrized multiple-scattering interactions, with covariant sideways
form factors in both 3- and 4-field vertices. Causality is enforced by dispersion
relations. Unitary fits to observed on-shell amplitudes are...
I have participated in a drug discovery program designed to screen marine algae for
inhibitors of cancer-related enzymes, antitumor compounds, antiinflammatory substances,
and other agents of potential pharmaceutical utility. Over 1,500 lipid and aqueous extracts
of marine plants and animals were surveyed for biomedical potential. Assays designed to
screen extracts...
This thesis asserts that faculty are the critical resource for the integration of distance
education by postsecondary institutions. The major barriers to the participation and
adoption of distance education center around faculty. This manuscript thesis incorporates a
series of articles to develop applied frameworks and strategies that place faculty at...
A continuous process for the production of ceramic materials has been studied.
This method reacted metal and oxidizer in a diffusionally controlled process,
demonstrated by reacting a magnesium particle stream and hot water vapor. Many small
rich hydrogen/air diffusion flames provide an atmosphere of hot water vapor, hydrogen,
and nitrogen...
The Accounting Education Change Commission (AECC) is
a consortium of concerned accounting professionals and
accounting educators that advocates the redesigning of
accounting curriculums in higher education. Traditionally
accounting programs have focused on the technical aspects
of the profession. Although technical competence is
necessary for the profession, the AECC urges accounting...