This paper investigates the atmospheric circulation and transport characteristics
of the Martian atmosphere (as modeled by a Mars GCM) for three sets of
conditions. The conditions are based on a combination of season and dust loading
(as parameterized by the optical depth, τ). The first experiment is for the Northern...
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...
Literature reports have indicated that application of
sonic pressure waves enhances the rate of impregnation of
preservatives in wood. However, these studies have been
limited and inconclusive. The technique or process is not
in commercial use. In this study a laboratory scale
treating cylinder connected to a mechanical sonic wave...
The purpose of this study is to analyze the possibility of political influence
upon the Department of Justice merger decisions within the brewing industry.
Political preference was measured by the congressional ratings of a liberal
political action committee, The Americans for Democratic Action (ADA), thus
giving a liberalness score. Regressions...
Lignocellulosic biomass is a potential source of fermentable sugars such as glucose. Enzymatic hydrolysis of cellulose is a viable method of solubilizing the glucose from biomass, but the cellulose fraction of native lignocellulosic material is shielded from enzymatic attack by the lignin-hemicellulose matrix surrounding it. Pretreating lignocellulosic biomass with dilute...
A simple statistic is derived for quantifying the potential for the aliasing of tidal errors in a given linear estimate of sea surface height constructed from altimeter data. The existence of M2 tidal constituent errors in Geosat data processed in the traditional way (i.e., with orbit errors removed using least...
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...
Excessive growth by red clover, Trifolium pratense L., grown for seed
interferes with maximum seed production and harvest in Oregon's Willamette Valley.
This study was conducted during 1986 and 1987 on red clover cv. Kenland to
determine if plant height and dry matter production could be inhibited and seed yields...
Complementary delta-doped AlGaAs/GaAs Heterojunction Field Effect Transistor
(CHFET) devices and circuits were fabricated using MBE and a 2μ non-planar gate
recess process. Several schemes were used in an attempt to improve the performance of
the p-channel HFETs. These included delta-doping, carbon-doping and dipole-doping.
Circuits and individual n- and p- channel...
Hippodamia convergens Guerin-Meneville was selected for
rapid development through five generations at four constant
temperatures (18, 22, 26, and 30°C). Two levels of selection
were used: intense and moderate. Differences in developmental
rate, survivorship, live adult weight, aphid consumption,
adult longevity, and fecundity were measured for both groups
and an...
The cell survival curve is the only means by which to both qualitatively and
quantitatively assess morphologic alterations directly resulting from in vitro irradiation of
the cell. A ⁶⁰Co cell survival curve experiment has successfully demonstrated the
response of the AtT-20 clone mammalian cell line to the effects of gamma...
The purpose of this annotated bibliography is to guide middle school and high school students into critical thinking about environmental issues. Through keen observation of their bioregion and through an integration of interdisciplinary literature which focuses on Oregon writers, students will be challenged to think, write, and discuss current issues...
Distance-based algorithms are machine learning algorithms that classify queries
by computing distances between these queries and a number of internally stored
exemplars. Exemplars that are closest to the query have the largest in
uence on
the classi cation assigned to the query. Two speci c distance-based algorithms, the
nearest neighbor...
Several popular cultural movements emphasizing indigenous spirituality have arisen in the United States and Europe within the past thirty years. Spiritual discourses attributed to Native Americans, among other groups, are borrowed by Euro-Americans in search of alternatives to dominant ideologies. In such a circumstance, Native Americans become part of a...
The natural fall of trees in riparian areas is an important source of coarse woody debris for mountain streams, improving fish habitat and influencing stream morphology. Existing models consider the probability of coarse woody debris entering a stream channel based upon trees having a random direction of fall without consideration...
The success of NIKE, Inc. is deemed miracle by professionals on both Wall
Street and Madison Avenue. Research done in the past tends to credit the growth
of NIKE, Inc. to its marketing strategies. By placing the achievement of the
company in the postmodern context, this study analyzes the cultural...
At present all vaccines for fish are primarily delivered either by injection or immersion which introduces added stress and labor. A more attractive method of vaccine delivery is oral administration using an enteric protection system, Enteric Coated Antigen Microspheres (ECAMs), which can be utilized for a variety of antigenic forms....
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...
A study was conducted to determine effects of year and season on diet quality of beef cattle grazing northern Great Basin rangelands from 1990 to 1993. Forage quality was high early in the growing season, then declined as seasons progressed (P<.05). Plant chemical composition was higher early in the growing...
Previous work at Stanford University has demonstrated that inductance in the
substrate connection is the principal problem underlying the coupling of digital
switching noise into analog circuits. The low impedance substrate can be treated
as a single node over a local area. Switching in the digital circuits produces
current transients...
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...
Long-term experiments were started at Pendleton and Moro, Oregon in the 1930's to evaluate the effects of tillage, fertilizer, and residue management on crop productivity in non-irrigated semi-arid regions. Coupled with multi-year varietal improvement, rotation, and green manure studies, they define those practices which sustain soil productivity and improve crop...
Published June 1994. 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
Zimbabwe's Communal Areas Management Program For Indigenous
Resources (CAMPFIRE), is a grassroots natural resource management
initiative that promotes utilization of natural resources as an
economic and sustainable land use option in Zimbabwe's rural areas.
Currently the program focuses on wildlife utilization as a
development intervention to improve the economic livelihood...
The pattern of ownership imposed on the-forest landscape of Western
Oregon defines the boundaries in which differences in jurisdiction, regulation, and
land use operate. Road building is controlled by these factors, and in turn has an
effect on the cumulative effects of human utilization of the forest. This study
examined...
Rapid and accurate analytical methods are needed to assess the impacts of agricultural chemicals on soil and water resources. Solid-phase extraction (SPE) was evaluated as an alternative method to conventional liquid-liquid extraction for the quantitative analysis of the herbicide DCPA and its metabolites in ground waters. Strong anion exchange (SAX)...
Published June 1994. 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
Length of survival of the monogenetic trematode Gyrodactylus stellatus in serum and mucus collected from English soles Pleuronectes vetulus at different stages of a laboratory epizootic suggests that both the mucus and serum may be involved in resistance to the parasite. In general, trematode survival was shorter in the serum...
Moisture problems can occur in many places in homes and for many reasons: when high levels of moisture enter building cavities or get inside, when excessive moisture is produced indoors, or
when indoor air comes into contact with cold surfaces such as single-pane windows or uninsulated walls. Excess moisture often...
The restoration of rivers and streams should be based on a
strong conceptual framework. Streams are developing systems. As
such, streams exhibit temporal behaviors that change with changing
stream environments. Underlying the dynamic development of streams is
potential capacity. Streams express this capacity as an array of
habitats over time...
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...
The purpose of this study was to develop and evaluate a nutrition
education program for men on healthy eating when dining out. The
Health Belief Model provided the basic framework to identify factors that
would potentially motivate men over 40 to change their dietary behavior
to reduce heart disease risk....
Population size of Clavibacter michiganensis subsp.
sepedonicus in potato cv Russet Burbank and plant response
as affected by drought were assessed in a greenhouse
experiment. Water deficit stress and no stress treatments,
and inoculum densities of 0 or 2 X 10⁷ cfu C. m.
sepedonicus/seed piece were arranged factorially. Stem...
Balance is the ability to establish an equilibrium between the body and its environment. Balance is a key component which is associated with a variety of movements and postural control. Children with cerebral palsy (CP) have difficulties with movement and postural control due to physical and neurological limitations. The purpose...
A standard tool in general relativity is the 3+1 or ADM point of view, namely
slicing spacetime into spacelike hypersurfaces of constant time and then describing
physics in terms of time-dependent quantities on a typical such hypersurface. Much
less well-known is the 1+3 point of view, in which one foliates...
These five stories investigate characters who must deal with their unresolved,
emotionally troubling pasts. The characters attempt to journey back to life having
recognized that their isolation, safe and undisturbing as it is, is worse than a life in which
the possibility of joy is mixed with the inevitability of...
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...
Neural networks are models which have been developed to simulate the anatomy
of the nervous system. The connection between the elements of these networks,
the so called artificial neurons, is similar to the connection between the biological
neurons. In developing neural networks people are trying to create systems which
have...
In recent years, the forest products industry has been
forced to cope with a supply of raw material that is
declining in both quality and quantity. In addition, log
prices are escalating rapidly. Because log costs may
represent as much as 90 percent of the overall production
costs of lumber...
During the past fifteen years, Professor John Keller has developed a systematic, comprehensive model to motivate adult learners. Its major elements are Attention-
Relevance-Confidence-Satisfaction (ARCS), and research with volunteers confirms that the strategies improve adult responses in learning settings. Training in business and industry, however, often involves mandatory
attendance by...
Recent technical progress has made new forms of controller
implementations on computers possible. Especially the technique of Fuzzy Logic
Control has found a growing number of applications. Also the development of fast
A/D converters has made the acquisation of data with vision based systems
possible. In this project we combine...
Many studies have focused on improving our understanding of the effects of timber harvesting activities on soil, water, and fisheries resources. Much of this work has led to the development and widespread use has often resulted in model applications that are outside the bounds in which the models were developed....
The issue of Navy women in combat has been widely discussed
since women first served during World War I. In this paper I intend to
present the political, philosophical, and historical reasoning behind the
changing of the regulations to allow women in combat.
History shows that the Navy has faced...
The purpose of this study was to investigate the relationship of family size, birth order,
socioeconomic status, and parent-child relationships to young children's intellectual
development.
Seventy-four children, 39 boys and 35 girls, with a mean age of 4 years-8 months,
and their parents (mothers and fathers), selected from 9 preschool...
Three-dimensional gravity analysis is the process of removing the predictable
components from the free-air gravity anomalies and has proven to be useful for
interpreting the subsurface structures and active processes at mid-ocean ridges. The
three-dimensional effects of the seafloor and Moho topography, assuming a constant
crustal thickness and constant crust...
Dedicated to recording, portraying, and indicting
the social inequities that he witnessed in nineteenth
century Victorian England, one of Charles Dickens' many
concerns was the roles assigned to women both in the
public and private spheres.
The purpose of this thesis is to examine the
narratives of Amy Dorrit and...
Doppler-free saturation spectroscopy in an optically thick atomic vapor is used in an
optical-feedback configuration for two semiconductor diode laser systems. One laser
system consists of an unmodifed, commercially available diode laser. The other laser
system consists of a diode laser initially stabilized by optical feedback from a diffraction
grating....
Life-history organization of the cutthroat trout (Oncorhvnchus clarki) may be viewed at various levels, including species, subspecies, metapopulation, population, or individual. Each level varies in spatial scale and temporal persistence, and components at each level continually change with changes in environment. Cutthroat trout are widely distributed throughout the western USA,...
The total and soluble nonstarch polysaccharide (NSP)
components of raw, processed (canned and frozen) and home-cooked
(boiled) Royal Chantenay carrots have been analyzed.
NSP fractions were characterized by separation and summation
of the monosaccharides resulting from acid hydrolysis of the
parent polysaccharides. Total NSP was primarily composed of
glucose, ~37%,...
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...
This study sought to explore the relationship between spatial scale and canopy
chemistry through the use of remotely sensed videography data and total nitrogen content
of potato petioles. A range of broad band spectral indices were employed along with
standard red and green wavelengths to define an optimum scale or...
The microsporidian parasite Nadelspora canceri infects Dungeness crabs, Cancer magister, along the United States Pacific Northwest coast. The prevalence and seasonal variation of N. canceri in Dungeness crabs from Alsea Bay, Oregon, are described based on examination of 2991 crabs collected at monthly intervals from October, 1991 to June, 1993....
This study examines empirically the relationship of value
orientation to meanspiritedness. Meanspiritedness (a collection of
acts, thoughts and/or attitudes which are intentionally malicious)
was defined and a scoring method was designed. The management
level of self-interest in individuals as indicated by their value
orientation and religious orientation was examined. Additionally,...
The divergence theorem as usually stated cannot be applied across a change of signature unless it is reexpressed to allow for a finite source term on the signature change surface. Consequently all conservation laws must also be ‘‘modified,’’ and therefore insistence on conservation of matter across such a surface cannot...
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...
Considerable controversy exists about how fish assemblages are
organized. I explicitly took fish movement into account while I
studied the effects of disturbance, habitat complexity, and predation
at different times of the summer to understand the major factors
influencing assemblage structure in a high desert Oregon stream. The
effects of...
In this paper, we introduce a model-based reinforcement learning method called H-learning, which optimizes undiscounted average reward. We compare it with three other reinforcement learning methods in the domain of scheduling Automatic Guided Vehicles, transportation robots used in modern manufacturing plants and facilities. The four methods differ along two dimensions....
During the Cenozoic, tectonics in the Cuyama basin of the southeastern Salinian block changed from extension to strike-slip faulting to compression and rotation. During the Oligocene-early Miocene, the Cuyama basin was adjacent to the southern Mojave region and part of that extensional tectonic regime. Many present-day reverse faults have an...
The southern portion of the Kodiak-Bowie seamonnt chain in the southeastern
Gulf of Alaska presents a unique opportunity to investigate loading on young oceanic
lithosphere. Oceanic lithosphere younger than 25 Ma is loaded both by sediments in a deep
offshore trough and by seamount 100-200 km offshore. Free-air gravity anomaly...
A two-dimensional model for predicting the rate of radiation
heat transfer for the interior of an industrial furnace is described.
The model is two-dimensional due to the assumptions of the heat
source as an infinite radiating plane and the heat sink as rows of
parallel tubes that are both infinite...
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...
There were two purposes for this thesis. First, it sought to define and clarify key
concepts of recreational conflicts based on a literature review on the concept of
conflict in the social sciences in general and in outdoor recreation. Second, it tested
several hypotheses emerging from the preceding literature review...
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...
Stressful events of both major and minor magnitude in
the lives of children and adolescents are significantly
related to emotional and behavioral problems (Compas, 1987a;
Johnson, 1986). It is also apparent, however, that this
relationship is complicated and that individuals vary greatly
in their responses to stress. The purpose of...
During the operation of phase-change ink-jet printers a bubble formation
phenomenon often occurs. These bubbles are detrimental to the operation of
the printer and substantial efforts are made to remove them. The objective of
this research was 1: to develop a fundamental understanding of how bubble or
void formation occurs...
The coniferous forests of the Pacific Northwest are
affected by a variety of endemic fungal root pathogens. Forest
disease surveys have noted the presence of two or more of
these root pathogens infecting the same stump or root, and it
has been suggested that these fungi may be interacting
synergistically....
The study of the social dimensions of Shakespeare's art is represented by the work of Mikhail Bakhtin, C.L. Barber, Robert Weimann, Edward Berry, and Michael Bristol. Their work analyzes the background in Elizabethan social practices and popular dramatic traditions that contribute to the form, structure, and meaning of Shakespeare's comedies....
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...
This study investigated the laboratory performance of crumb rubber modified
mixtures compared to a standard bituminous mixture using performance based test
procedures. This study was part of an asphalt resurfacing program for the Seattle
Washington area. Laboratory analyses were used to estimate the long term pavement
performance of these mixtures...
This study identified some of the ways that multiethnic women describe their ethnic
identities, how they perceive ethnic-specific gender identities and what they think are
appropriate norms for, and effective outcomes of, communicative behavior. Twelve
multiethnic women described their ethnic identity names or labels, and ethnic-specific gender
identities; they also...
A historical overview of Latino enrollment in the community college is resented. Thirty Latino occupational, transfer, and non-credit students attending
an Oregon college were interviewed, examining
educational and familial background, and
college services as indicators of their
decision to pursue postsecondary studies at
the two-year institution. Results are
analyzed, supplemented...
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 purpose of this study is to investigate the
rhetorical strategies used by Reverend Jesse L. Jackson
from the 1970's to the 1990's. Specifically, this study
examines Jackson's use of narrative to empower himself, his
constituency, and his political ideologies without
possessing a traditional political platform. Jackson
raised political and...
Three related topics have been explored in this thesis. Those three topics deal
with the pricing problems both in the market for access rights to fish and in the market
for seafood. The purpose of this study is to contribute some insights into the global
picture of fishery management and...
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....