Pectic substances in the cell wall have long thought to
be responsible for the textural changes in fruit during
ripening and senescence. Compositional variation within
the pectic macromolecules could affect the external
characteristics of the fruit. Strawberries undergo adverse
quality changes such as softening and juice loss after
freezing and...
Economic sanctions are widely used in the international arena in order to reconcile political conflicts and retain peace between countries. Most states prefer to use economic sanctions rather than military interventions as a more efficient tool to maintain political stability and protect their own interests. Nevertheless, sanctions are not always...
A decreasing rate of flow was observed (after sufficient air and particulate matter were removed from the wood and water) under steady-state conditions for green western hemlock sapwood. The decrease is theorized to be due to viscoelastic behavior of pit membranes. An unsteady-state procedure for determining longitudinal liquid permeability of...
Optical sensing technologies are pivotal in the manufacturing process, specifically in defect detection, tool condition estimation, and monitoring. The research aims to enhance the accuracy, efficiency, and reliability of manufacturing metrology by employing optical sensing technologies, such as laser profilometers and image processing techniques. The dissertation proposes intelligent and flexible...
Though research on EU law compliance is extensive, the question as to why some policy entrepreneurs are more successful than others, and why some countries comply better than others, remains largely disputed. Using a case study design of France, this thesis focuses on the type of domestic institutions that make...
Modulation assistance is widely employed to improve chip management in turning. This process is also known as modulated turning. Modulated turning transforms continuous cutting into intermittent cutting by periodically disengaging the tool tip from the workpiece, resulting in the generation of short, easily managed chips. This novel method improves the...
BackgroundEpidemiological evidence suggests that arsenic (As) exposure during pregnancy may reduce infant birth weight. One significant source of As exposure is diet; thus, As may indirectly affect infant growth by mediating the effect of maternal diet on birth weight (BW). This study evaluated the potential mediating effect of As in...
Organismal development requires a precisely orchestrated transcriptional program to correctly deploy genetic information into the genome. This process requires sophisticated gene regulatory networks at multiple spatial and temporal levels from early embryonic development to adult physiological conditions. Molecular differences that define cell types are set up during the pattern formation...
We developed an integration-based line detection algorithm. Existing line detection methods such as the Hough Transformation (HT) and its variants are insensitive to image noise. The reason is that HT finds lines by calculating the gradient of the image and assumes that the region where the gradient is the steepest...
Koi herpesvirus (KHV), is a highly pathogenic virus causing high mortality in common carp and koi, especially in fry. One of the unique features of herpesvirus infections is their ability to become latent following initial infection. During latent infection, only viral genome persists in the host and remains dormant in...
The characteristics of Northern squawfish
(Ptychocheilus oregonensis) and the feasibility of utilization
of this species for human consumption were investigated. In
the first experimental phase, the iced storage characteristics
of squawfish were determined. Quality changes were monitored
over 24 days of storage by chemical, physical, microbiological
and sensorial methods of...
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...
The study focuses on how to use entertainment method approach to prompt people with best practices for COVID safety. During COVID times, there have been many robots deployed in public places such as social distancing enforcer or a robot that provide facial masks, but few investigations have been done to...
A small eddy viscosity or mass diffusivity that varies with height has been found to have unexpected effects on the Kelvin-Helmholtz (KH) instability of a stably stratified shear layer near the neutral stability boundary. In particular, varying viscosity can increase the growth rate of the instability in contrast to the...
Nowadays, woody biomass is becoming increasingly significant because of its renewability and biodegradability. Lots of opportunities have been found to use excessive biological resources to derive products as diverse as fuels, heat, electricity, chemicals, food, clothing, paper, and much more. As such, biomass plays an important role in meeting demands...
SH 714 (1, 2-alpha-methylene-6-chloro-delta-4, 6-17-alphahydroxyprogesterone
acetate) synthesized by Schering AG is an highly
antiandrogenic, nonestrogenic compound. The present investigation
was undertaken to determine the compound's effect upon the cell
associations of the germinal epithelium in the mature rat. From germinal epithelium for this dosage level of SH 714 was exhibited...
This dissertation presents two high-speed pipeline successive approximation analog-to-digital converters (SAR ADCs). Capacitive DACs and resistive DACs are utilized in these two pipeline SAR ADCs, respectively.
The pipeline SAR ADC with capacitive DACs can save 50% switching power compared with other time-interleaved SAR ADCs since the total capacitance of the...
The tissue and substrate degradational enzymes, acid hydrolases,
in endosperm were studied in order to discern the mechanism of seed
shriveling in triticale (XTriticosecale Wittmack).
Acid hydrolases in crude extract of 7-week-old developing
endosperm of 2 lines each of triticale with shriveled (6TB,JZBS) and
plump seeds (6TA, RBP) were successfully...
In this research, the possibility of the precessional magnetization switching by focused surface acoustic waves, without external magnetic field, has been demonstrated. The technique of generating an effective magnetic field by applying stress to a magnetostrictive material via a surface acoustic wave is applied to perform field-free magnetization switching. It...
The purpose of this study was to investigate three research questions: (1) What are the attitudes and beliefs of the pre-service teachers and teacher educators regarding multicultural education, and how do the teacher educators prepare the pre-service teachers to meet the needs of diverse K-12 students in Taiwan? (2) To...
The main contributions of this thesis are the development and
application of four computationally efficient solutions for
least-squares-based (LS-based) minimum variance spectral estimation
(MVSE). They are: (1) fast computational solution for the 1-D
covariance LS-based MVSE, (2) fast computational solution for the
1-D modified covariance LS-based MVSE, (3) fast computational...
To protect and restore environmental quality, efficient and effective conservation policies are needed. Designing policies require a sound understanding of the contributions of natural endowments to economic vitality, and the performance and impacts of conservation programs. This dissertation consists of three essays, and addresses several issues relevant to these two...
An extensive theory of symmetric error control coding has been developed in the last few decades. The recently developed VLSI circuits, ROM, and RAM memories have given an impetus to the extension of error control coding to include asymmetric and unidirectional types of error control. The maximal numbers of unidirectional...
Global warming is an increasingly serious problem around the world. To mitigate the influence of global warming on people’s lives, the Obama Administration put an emphasis on reducing greenhouse gas (GHG) emissions to mitigate global warming. The adoption of energy efficient vehicles, including hybrid electric vehicles (HEVs), plug-in hybrid vehicles...
The present study investigated whether vitamin E supplementation reduced oxidative stress in erythrocytes and improved vitamin E status in patients undergoing hemodialysis (HD). Plasma and erythrocyte α-tocopherol, plasma ascorbic acid, and iron status were determined in 11 regular HD patients prior to and post-dialysis, before and during oral supplementation of...
The gradient of a velocity vector field is an asymmetric tensor field which can provide critical insight that is difficult to infer from traditional trajectory-based vector field visualization techniques. I describe the structures in the eigenvalue and eigenvector fields of the gradient tensor and how these structures can be used...
In order to estimate wind turbine residL2;characteristics
in the presence of atmospheric turbulence, the important atmospheric
sources for the force excitations felt by the wind turbine system
must be identified and characterized. The goal of this research
is to develop the wind turbulence input model for horizontal axis
wind turbines....
The low thermal conductivity of gallium arsenide compared to silicon
results in self-heating effects in GaAs MESFETs that limit the electrical
performance of such devices for high power applications. To date, analytical
thermal models of self heating in GaAs MESFETs are based on the assumption
of a uniformly heated channel....
Missing data can lead to biased and inefficient estimation if the missing mechanism is not taken into account in the analysis. In this dissertation we propose two estimators that, under fairly general conditions, are asymptotically unbiased. The first proposed estimator assume the data are missing at random (MAR) and does...
The management options chosen by decision makers in
managing wildlife and fisheries have different effects for
diverse user groups. As a result, natural resource management
agencies often seek information to evaluate the effects of
alternative policies on the benefits provided to different
constituencies. Over the past decade, economists have
developed...
An important step in the design of digital networks lies in the derivation of the switching formulas which describe the combinational logic networks in the system. In most large systems the number of gates and the number of connections are major factors that affect the cost of the system. An...
Full Text:
ABSTRACT OF THE THESIS OF
LIN,PEI-CHEN for the degree of MASTER OF SCIENCE
ETRCTRICAL&COMPUTER
in
Food allergies are an important health problem and affect up to 2% of the adult population and 8% of children worldwide. Under the Food Allergen Labeling and Consumer Protection Act (FALCPA) of 2004, foods that contain or derive from the "Big 8" allergens (milk, egg, finfish, crustacean shellfish, tree nuts,...
Oxidative stress is defined as an imbalance that favors the production of reactive oxygen species (ROS) over an organism's antioxidant defense. ROS have the ability to damage, either directly or indirectly, biomolecules including DNA, proteins, carbohydrates, and lipids. Various pathological conditions and environmental and chronic diseases have been associated with...
The purpose of the study was to compare differences among 18 personality
trait scales of the California Personality Inventory (CPI), six American Association of
Health, Physical Education and Recreation (AAHPER) tests of physical fitness, and
Ponderal Index (PI, or body mass) measurements for a population of ethnic Chinese
and aboriginal...
Object categorization is one of the fundamental topics in computer vision research. Most current work in object categorization aims to discriminate among generic object classes with gross differences. However, many applications require much finer distinctions. This thesis focuses on the design, evaluation and analysis of learning algorithms for fine- grained...
Bullying prevents its targets from enjoying a safe, stress-free living, learning, and working environment. For most children, bullying experiences will be merely unpleasant childhood memories. This remains the same in adult's working environment. During the past decade, the concept of workplace abuse has had an increasing resonance within western countries....
Community and technical colleges in the United States are experiencing an expansion of racial and ethnic diversity in students, faculty, and administrators. From 1996 to 2006, the number of Asian female college students increased 55.3%, from 13,184 to 20,477. The number of Asian male students increased 48.9%, from 9,731 to...
Development of graphical user interface (GUI) applications is difficult since the process can be both complicated and tedious. We propose a solution directed at reducing programming time and effort required to build a GUI application. Our solution is based on the Petri Network, the Oregon SpeedCode Universe (OSU) Application Framework,...
This investigation deals with the chaotic rocking response and overturning
stability of offshore equipment subjected to base excitations due to wave-induced
motions of the supporting compliant offshore structural system. The equipment
compliant structural system is modelled as a free-standing rigid object subjected
to horizontal and vertical base accelerations. Three of...
Transparent conductive oxides (TCOs), primarily indium doped tin oxide, have been widely used in numerous fields since decades ago, such as solar cells, displays, OLEDs and ‘smart windows’ etc. Owing to the scarcity of indium, there is a great demand for new alternative materials. Metal/insulator/metal (MIM) diodes are a critical...
Delta-sigma modulators are currently a very popular technique for making high-resolution
analog-to-digital and digital-to-analog converters (ADCs and DACs). Most
delta-sigma modulators in production today employ single-bit quantization because a 1-bit DAC is inherently linear, whereas a multi-bit DAC is not. Were it not for this drawback,
the use of multi-bit...
A multispectral retrieval method is developed on the 100 km regional scale to extract
the temperature, particle size, fractional cover and 11-μm emissivity of clouds which
may be semitransparent in the infrared based on emitted radiances. The scheme utilizes
the nonlinear relationship between emitted radiances when clouds are semitransparent and...
The prevalence of herbal supplement use by the elderly and factors that influence regular versus occasional use were investigated in a group of independent residents of a continuing care retirement community in Salem, Oregon. A nine-page questionnaire was delivered to 402 residents of Capital Manor; 318 questionnaires were usable (84%...
Polymeric composites reinforced with bio-materials have advantages over composites with synthetic reinforcements. Bio-based composites use low-cost and renewable reinforcements, have nonabrasive properties for machining, have improved damping characteristics, and have potential for energy recycling. However, the limited use of bio-based composites is because their mechanical properties are typically much lower...
Precipitation is one of the most important components contributing to hydrological
dynamics. Spatially distributed precipitation data can be obtained by satellite, radar,
rain gages, etc, to serve various purposes. Currently, the most commonly used
precipitation data still rely on gage-based measurement techniques that provide
timely precipitation information with high quality...
Full Text:
11
AN ABSTRACT OF THE THESIS OF
Wei Lin for the degree of
This study examined lifestyle changes as related to the risk of coronary heart disease (CHD) in Chinese students at Oregon State University (OSU). The study population included male students or scholars from the People's Republic of China who were attending OSU during spring term 1992. Fifty subjects were interviewed using...
In Bayesian analysis, means are commonly used to
summarize Bayesian posterior distributions. Problems with
a large number of parameters often require numerical
integrations over many dimensions to obtain means. In this
dissertation, posterior modes with respect to appropriate
measures are used to summarize Bayesian posterior
distributions, using the Newton-Raphson method...
Damping-off of table beets is of widespread occurrence in the
Willamette Valley of Oregon. Pythium ultimum Trow., Pythium
debaryanum Hess., and Rhizoctonia solani Kuhn. were found to be the
important pathogenic fungi causing the disease.
Trichoderma viride, Penicillium spp. Streptomyces spp. and
certain isolates of bacteria, all saprophytic organisms associated...
Calls continually are made to provide economic assessments of research program achievements and efficiency. Yet little effort has been given to develop an assessment framework that would focus on the research discovery itself, treating the research manager as a producer and the research technology as a knowledge production function. The...
This thesis uses an anthropological approach to examine the current social status
of the young elderly in contemporary urban China and explores the problems these people
are facing. A review of literature sets up complementary theoretical frameworks for the
understanding of the interaction between changing social environment and transitional life...
In this dissertation, we investigate three numerical methods for inverting the Laplace transform. These methods are all based on the trapezoidal-type approximations to the Bromwich integral. The first method is the direct integration method: It is a straightforward application of the trapezoidal rule to the Bromwich integral, followed by convergence...
The study evaluates performances of three multiple time series
(MTS) forecasting methods; investigates possible improvements in
MTS forecasting operations, and proposes a multiple time series
based forecasting system. Time series considered are finite,
linear, covariance stationary, and discrete.
Specific objectives for the thesis were: (a) conducting comparative
studies of MTS...
The fouling characteristics of a desalted crude oil were investigated in a systematic
investigation. There are two main parts in this study, the dry bulk tests (dehydrated crude
oil) and the wet bulk tests (to which desalter brine was added). Three barrels of desalted
crude oil provided by Amoco Oil...
This study had two major purposes. The first focused upon understanding the development of aspects of ethnic development among 4- and 7-year-old Chinese-American boys and girls from immigrant and non-immigrant families. The second focused upon understanding the contribution of selected parental (fathers' and mothers') characteristics on aspects of children's ethnic...
In vivo research following ingesting of commercially available
Lactobacillus tablets, which contain about 2X10⁶ cfu/tablet of
Lactobacillus acidophilus and Lactobacillus bulgaricus cells in a dose
of four tablets daily, showed serum lipoprotein concentrations did not
change significantly. In order to increase the number of viable
Lactobacillus bacteria after challenging in...
Resource Planning and Management (RPM) network is a graphical
representation of input-output relationships among activities and
resources within a system. Both resources (events) and activities
(decisions) are explicitly represented as nodes in all RPM networks.
Depending upon the relationships being depicted, RPM networks can
be classified into Relational (R), Precedence...
Motivated by a real-world problem, we study a novel setting for budgeted optimization where the goal is to optimize an unknown function f(x) given a budget. In our setting, it is not practical to request samples of f(x) at precise input values due to the formidable cost of experimental setup...
We developed an integration-based line detection algorithm. Existing line detection methods such as the Hough Transformation (HT) and its variants are insensitive to image noise. The reason is that HT finds lines by calculating the gradient of the image and assumes that the region where the gradient is the steepest...
In the past decade considerable research in several disciplines has
been oriented toward the design of optimal capacity expansion plans for
water resource systems. The emphasis of most of these efforts has been
directed toward minimization total cost outlays in project planning.
This focus somewhat limits the full applicability of...
Full Text:
BIING-HWAN LIN
AN ABSTRACT OF THE THESIS OF
for the degree of
Directional wave spectra have been estimated in this study based
upon simultaneous subsurface measurements of current and pressure.
Two previously developed methods, the stochastic and deterministic
approaches, have been reviewed and restudied. It is demonstrated by
means of the Correlation Theorem that the stochastic and deterministic
approaches are, under certain...
In the past decade considerable research in several disciplines has
been oriented toward the design of optimal capacity expansion plans for
water resource systems. The emphasis of most of these efforts has been
directed toward minimization total cost outlays in project planning.
This focus somewhat limits the full applicability of...
An important step in the design of digital networks lies in the derivation of the switching formulas which describe the combinational logic networks in the system. In most large systems the number of gates and the number of connections are major factors that affect the cost of the system. An...
Precipitation is one of the most important components contributing to hydrological
dynamics. Spatially distributed precipitation data can be obtained by satellite, radar,
rain gages, etc, to serve various purposes. Currently, the most commonly used
precipitation data still rely on gage-based measurement techniques that provide
timely precipitation information with high quality...
An important step in the design of digital networks lies in the derivation of the switching formulas which describe the combinational logic networks in the system. In most large systems the number of gates and the number of connections are major factors that affect the cost of the system. An...
Precipitation is one of the most important components contributing to hydrological dynamics. Spatially distributed precipitation data can be obtained by satellite, radar, rain gages, etc, to serve various purposes. Currently, the most commonly used precipitation data still rely on gage-based measurement techniques that provide timely precipitation information with high quality...
In the past decade considerable research in several disciplines has
been oriented toward the design of optimal capacity expansion plans for
water resource systems. The emphasis of most of these efforts has been
directed toward minimization total cost outlays in project planning.
This focus somewhat limits the full applicability of...
Small broomrape (Orobanche minor) is a parasitic weed that attaches to the roots of red clover (Trifolium pratense). Small broomrape invasion presents a significant threat to the future of red clover seed production in Oregon. This study was conducted to investigate and develop small broomrape management options for red clover...
The ability of the fluorescent-coupled lectins wheat germ
agglutinin (WGA) and concanavalin A (Con A) to react with selected
Basidiomycetes, Ascomycetes, and Fungi Imperfecti was evaluated using
pure cultures of thirty-five fungi grown on malt extract agar. WGA,
which is specific for residues of N-acetylglucosamine present in fungal
chitin, reacted...
The results of SDS-PAGE and densitometry indicated that a significant amount of myofibrillar proteins was lost during surimi processing. Microfiltration (MF) was utilized to recover insoluble particulate. The MF-recovered proteins showed highly functional properties in gel hardness, cohesiveness, color, and water retention ability. The soluble proteins concentrated by ultrafiltration (UF)...
A study on the cellular differentiation of the gill structure in
juvenile coho salmon (O. kisutch) with emphasis on the excretion of
monovalent ions was performed upon animals maintained under both
seawater and freshwater environments.
1. The excretion rate of sodium-24 was observed to be higher
for animals adapted to...
The purposes of this study were to identify factors that
influence industrial education teachers to use computers in their
instruction and to explain the relationships among these factors.
For the purposes of this study, the term "to use computers" meant use
of computers in one or more of the following...
National Geographic’s June 2018 magazine titled “Planet or Plastic?” drew attention to a growing problem throughout the world: ocean plastic. The eight plastic-related articles in the magazine are an example of science communication as a critical method of not only disseminating information but also raising awareness of the marine debris...
Electrical stimulation of beef carcasses (n=18) did not cause a
significant reduction in microbial population on three different sampling
positions immediately following slaughter. In constrast, significant
microbial reduction (P > 0.05) was found at position 2 (muscle
above aitch bone), but not at position 1 (inside of neck) or position...
The two major objectives of this thesis are: (1) demonstrating and
applying optimal design theory by developing an optimal sampling-time
strategy for parameter estimation in stochastic one compartment models,
and (2) examining in depth the extended least squares (ELS) method of
estimating population pharmacokinetic parameters.
The nonlinear weighted least squares...
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...
Two soils representative of the coast and three representing the Willamette Valley have been studied for their general chemical
characteristics. Exchange capacity and exchangeable cations were
determined by the ammonium acetate and the BaCl₂-triethanolamine
buffer methods. Exchange capacity was also obtained from conductimetric
titrations which were run on each soil...
Antisense oligonucleotide (AO)-mediated exon-skipping therapeutics shows great promise in correcting frame-disrupting mutations in the DMD gene for Duchenne muscular dystrophy. However, insufficient systemic delivery limits clinical adoption. Previously, we showed that a glucose/fructose mixture augmented AO delivery to muscle in mdx mice. Here, we evaluated if fructose alone could enhance...
Full Text:
Manner in mdx Mice
Limin Cao1,2, Gang Han1, Caorui Lin1, Ben Gu1, Xianjun Gao1, Hong M Moulton3, Yiqi
Antisense oligonucleotide (AO)-mediated exon-skipping therapeutics shows great promise in correcting frame-disrupting mutations in the DMD gene for Duchenne muscular dystrophy. However, insufficient systemic delivery limits clinical adoption. Previously, we showed that a glucose/fructose mixture augmented AO delivery to muscle in mdx mice. Here, we evaluated if fructose alone could enhance...
Antisense oligonucleotide (AO)-mediated exon-skipping therapeutics shows great promise in correcting frame-disrupting mutations in the DMD gene for Duchenne muscular dystrophy. However, insufficient systemic delivery limits clinical adoption. Previously, we showed that a glucose/fructose mixture augmented AO delivery to muscle in mdx mice. Here, we evaluated if fructose alone could enhance...