Index Catalog // ScholarsArchive@OSU

The effects of a lumbar support belt on radiographic characteristics of the lumbosacral spine

Creator:: DeBeliso, Mark
Abstract:: Study Design. This study investigated the effects of a lumbar support belt on lumbar disc deformation and joint angles. Trunk strength and endurance were also compared to disc deformation and joint angles to determine if any meaningful relationships existed. Objective. The purpose of this study was to determine if back...
Resource Type:: Dissertation
Full Text:: . Wilcox Study Design. This study investigated the effects of a lumbar support belt on lumbar disc

Source-Routed Multicast Schemes for Large-Scale Cloud Data Center Networks

Creator:: Alqahtani, Jarallah Ali m
Abstract:: Data centers (DCs) have been witnessing unprecedented growth in size, number and complexity in recent years. They consist of tens of thousands of servers interconnected by fast network switches, hosting and enabling numerous applications with various traffic characteristics and requirements. As a result, DC networks have been presented with several...
Resource Type:: Dissertation
Full Text:: findings made in these studies. Secondly, we propose Bert, a source-initiated multicast routing scheme for

Cryopreservation of Shoot Tips: Antioxidant Investigations with Rubus and Protocols for Mentha and Vaccinium

Creator:: Uchendu, Esther Eyiuche
Abstract:: 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...
Resource Type:: Dissertation
Full Text:: ) cultivars „Wilcox‟ and „Franklin‟ and blueberry (Vaccinium corymbosum L.) „Berkeley‟, „O‟Neal‟ and

Improving and Understanding Deep Models for Natural Language Comprehension

Creator:: Ghaeini, Reza
Abstract:: Natural Language Comprehension is a challenging domain of Natural Language Processing. To improve a model’s language comprehension/understanding, one approach would be to enrich the structure of the model to enhance its capability in learning the latent rules of the language. In this dissertation, we will ﬁrst introduce several deep models...
Resource Type:: Dissertation
Full Text:: BERT: Toward Interpreting and Understanding BERT . . . . . . . . . 114 7.1 Introduction

Amphibian Population Declines and Extinctions: Disease in Amphibian Communities with Cascading Effects in Freshwater Communities

Creator:: Harjoe, Carmen C.
Abstract:: Earth is experiencing unprecedented biodiversity loss. Amphibians are at the forefront of this biodiversity loss, with species declines estimated to be more severe than those of birds and mammals. Amphibian population declines and extinctions are driven by a number of factors including climate change, habitat destruction, contaminants and disease but...
Resource Type:: Dissertation
Full Text:: . Elmore, D. Rotstein, G. Lewbart, and J. Guy. 2004. Ranavirus-associated morbidity and mortality in a

The development of a model for computer simulation of a counseling center

Creator:: Anderson, Edwin LeRoy
Abstract:: The study resulted from a desire and interest to include computer simulation techniques in the design of educational practices. The purposes of the study were (1) to develop a computer model which would simulate the service functions of a counseling center by tracing students through the center and (2) to...
Resource Type:: Dissertation

Inter-relationships of vegetation, hydrology and micro-climate in a young, Douglas-fir forest

Creator:: Barnard, Holly Rene
Abstract:: The links between forests, streamflow, and climate are poorly understood. Despite hundreds of studies over the past 60 years, fundamental questions of forests' effects on the hydrologic cycle remain unanswered. The hydrological cycle involves mutually-dependent biological and physical processes that operate at multiple scales of time and space, and this...
Resource Type:: Dissertation
Full Text:: . (1982) Principles of forest hydrology. The University of Georgia Press, Athens. Huxman, T. E., Wilcox

Early events in hydrocortisone induced glutamine synthetase activity in differentiating chick neural retina

Creator:: Hull, Shirley Anne
Abstract:: Glutamine synthetase in the embryonic chick neural retina shows a 50 fold increase in activity between the 16th and 17th day of embryonic development. This increase in enzyme activity results from de novo enzyme synthesis thus making it a useful marker of differential gene expression. A precocious rise in activity...
Resource Type:: Dissertation

Mapping Wildlife-Relevant Snow Properties in Arctic-Boreal North America; Novel Modelling, Remote-Sensing, and Ground Observation Approaches

Creator:: Cosgrove, Christopher Liam
Abstract:: Arctic-boreal regions are exhibiting the symptoms of profound ecological shifts as they experience pronounced warming. Wildlife in high-latitudes are one such harbinger of change, and their populations are undergoing range-shifts, declines, and extinctions in response to their rapidly altering habitats. As the circumpolar and boreal north is snow-covered for up...
Resource Type:: Dissertation
Full Text:: , being the quintessential nice guy, and for teaching me programming – without which none of the

Cultural controls for suppressing Phytophthora cinnamomi root rot of blueberry

Creator:: Yeo, John R.
Abstract:: Phytophthora cinnamomi is a soilborne pathogen that causes root rot disease of highbush blueberry (Vaccinium corymbosum L.). When new installations of susceptible blueberry cultivars are infected with P. cinnamomi, plants often fail to grow significant new tissue, greatly reducing yields over the life of the planting. Chemical fungicides are available...
Resource Type:: Dissertation
Full Text:: . cinamomi. Guy Ashburner, an Australian farmer, successfully suppressed the pathogen in his orchards by

Everyday Religious Spiritualities: Navigating Inequalities Through Orientations, Interactions, and Reflexivity

Creator:: Lopez, Andres L.
Abstract:: The research and analysis presented in this dissertation illustrate how individuals enact lived religion as they seek to navigate social inequalities. The enactment of lived religion involves directing attention towards orientations. I use the term orientations in the sense articulated by Ahmed (2004), to allude to how bodies are situated...
Resource Type:: Dissertation
Full Text:: inequalities, and how lived religion “shows up” in unexpected ways and 3 places (Wilcox 2009

How refrigeration, heating, ventilation, and air conditioning service technicians learn from troubleshooting

Creator:: Green, Denis F. H.
Abstract:: The purpose of this study was to understand how refrigeration, heating, ventilation, and air conditioning (RHVAC) service technicians (techs) learned from troubleshooting. This understanding resulted in instructional and curricular strategies designed to help community colleges prepare vocational students to learn more effectively from informal workplace learning. RHVAC techs were studied...
Resource Type:: Dissertation

Crimes Against Rhinoceros: Exploring Attitudes and Perceptions of Stakeholders in South Africa

Creator:: Kuchy, Andréa L.
Abstract:: African rhinoceros, once abundant across Africa, face threats to their long-term survival primarily due to the syndicated poaching of their horns for Traditional Asian Medicine and as status symbols in Asia. Most studies focusing on the human dimensions of rhinoceros poaching have been limited to examining a few aspects of...
Resource Type:: Dissertation

An evaluation of understory vegetation dynamics, ecosystem resilience and state and transition ecological theory in an eastern Oregon ponderosa pine forest

Creator:: Carr, Craig A.
Abstract:: Relatively recent increases in ponderosa pine abundance have effected unprecedented changes to ecosystem structure and function. Efforts to restore ponderosa pine systems are often focused on the manipulation of tree structure and the re-introduction of a more natural fire regime. Successful restoration should also incorporate understory components but information addressing...
Resource Type:: Dissertation

The experiences of novice counselors as they work with their first clients who are adult survivors of childhood sexual abuse

Creator:: Eave, Michele L.
Abstract:: The purpose of this dissertation was to increase our understanding of novice counselors as they initially treat adult survivors of childhood sexual abuse (ASCSA). The researcher used the grounded theory approach, a qualitative method, in order to describe richly and sensitively the first interactions between counselors-in-training and ASCSA. Seven novice...
Resource Type:: Dissertation
Full Text:: countertransference (Brady, Guy, Poelstra, & Brokaw, 1999; Figley, 1995; Rothschild, 2006; Sabin-Farrell & Turpin

Teachers' perceptions of the concept of limit, the role of limits and the teaching of limits in advanced placement calculus

Creator:: Simonsen, Linda M.
Abstract:: The main goal of the study was to investigate high school advanced placement calculus teachers' subject matter and pedagogical perceptions by examining the following questions: What are the teachers' perceptions of the concept of limit, the role of limits, and the teaching of limits in calculus? Additionally, the sampling technique...
Resource Type:: Dissertation
Full Text:: where ability to select or compute the correct answer is considered knowledge (Schram, Wilcox, Lanier

Insights into Novel Non-Fumigant Nematicides: Physiological and Cellular Responses of Meloidogyne Incognita and Other Plant-Parasitic Nematodes

Creator:: Wram, Catherine L.
Abstract:: Plant-parasitic nematodes (PPN) pose a severe threat to crop production with the economic losses due to nematode parasitism in excessive of US$ 80 billion each year. Meloidogyne incognita, a globally distributed pest with a diverse host range, contributes significantly to this economic loss. The most reliable way to manage PPN...
Resource Type:: Dissertation

Population genetics of ranid frogs : investigating effective population size and gene flow

Creator:: Phillipsen, Ivan C.
Abstract:: This dissertation focuses on the evolutionary forces of genetic drift and gene flow in frog populations. The balance of these two forces and the force of mutation largely determine the amount of neutral genetic variation within populations as well as the degree of genetic similarity among populations. The stochastic evolutionary...
Resource Type:: Dissertation
Full Text:: nice guy. I thank Joe Beatty and all of the Zoology Office staff—Tara Bevandich, Traci Durrell

Functional decreases in hydraulic and mechanical properties of field-grown transgenic poplar trees caused by modification of the lignin synthesis pathway through downregulation of the 4-coumarate:coenzyme A ligase gene

Creator:: Voelker, Steven L.
Abstract:: Society uses massive quantities of wood fiber in production of paper, and demand for fiber is projected to increase further as production of biofuels from fermentation of plant cellulosic materials increases. Because these end uses generally require the costly step of removing of lignin, wood with reduced or more easily...
Resource Type:: Dissertation
Full Text:: . fisher, J. M. Graham, L.E. Wilcox, J.M. Hackney, J. Obst, P.C. Bilkery, D.T. Hanson and M.E. Cook. 2004

"I'm a Mom too!" - Stigma, Support & Contested Identities among Adolescent Mothers in the United States

Creator:: Everson, Courtney L.
Abstract:: This dissertation aims to provide a comprehensive portrayal of doula care in the lives of pregnant and parenting adolescent mothers. The purpose of this research was to examine the relationships between psychosocial stress, social support, institutionalized constraints, and their impacts on health and well-being among adolescent mothers in the Northwestern...
Resource Type:: Dissertation
Full Text:: Wilcox 2007; Mantovani and Thomas 2014; SmithBattle 2013; Yardley 2008). Cross-culturally, adolescent

The role of calpains in muscle protein degradation

Creator:: Ou, Bor-rung
Resource Type:: Dissertation

Adolescent appraisals and opinions concerning their sex education in selected institutions

Creator:: Calderwood, Deryck David, 1923-
Abstract:: The purposes of this study were: to collect information relative to the content of the sex education information adolescents have received from selected sources, to ascertain their appraisal of the value of this information and to test hypotheses concerning communication and dissemination of information on sexual topics between adults and...
Resource Type:: Dissertation

Can Pollination Networks Withstand Species Loss? An Examination of Plant–Hummingbird Interactions and Their Responses to Experimental Removal of a Flowering Plant Species

Creator:: Leimberger, Kara G.
Abstract:: Global environmental change is causing local extinctions of species. When species depend on one another, as in the mutualistic relationship between plants and pollinators, loss of one interaction partner may cause cascading effects within the community – such as additional extinctions and reduced pollination services. Network theory provides a way...
Resource Type:: Dissertation

Harnessing Heterogeneity in Human Gut Microbiome Data

Creator:: Tataru, Christine
Abstract:: The focus of this thesis is to design, characterize, and apply novel computational methods and molecular systems to interrogate heterogeneous human gut microbiome-related phenomena. In Chapter 2, I design, implement, and characterize a method for embedding co-occurrence patterns derived from massive 16s amplicon datasets. I use this method to 1....
Resource Type:: Dissertation

Marine geology of Astoria submarine canyon

Creator:: Carlson, Paul R. (Paul Roland), 1933-
Resource Type:: Dissertation

New Directions in Search-based Structured Prediction: Multi-Task Learning and Integration of Deep Models

Creator:: Ma, Chao
Abstract:: This thesis studies the problem of structured prediction (SP), where the agent needs to predict a structured output for a given structured input (e.g., Part-of-Speech tagging sequence for an input sentence). Many important applications including machine translation in natural language processing (NLP) and image interpretation in computer vision can be...
Resource Type:: Dissertation

Insights into an Invasive Jumping Earthworm: Assessing the Invasion Risk and Influence on Soil Organic Matter by Amynthas agrestis in Western Oregon

Creator:: Tucker Serniak, Linda F.
Abstract:: Increased globalization has greatly increased the ability for species to travel outside of their native range and reach all parts of the world. While most species do not have an impact in new habitats, a small percentage are able to establish a new population and spread, causing ecological damage and...
Resource Type:: Dissertation

Inhibited feathering, K[I] a sex-linked dominant gene in the turkey (Meleagris gallopavo), genetics and nutrition

Creator:: Zakrzewska, Elz̊bieta Iwona
Resource Type:: Dissertation

Computational Approaches for Understanding Combinatorial Gene Regulation

Creator:: Ansariola, Mitra
Abstract:: Gene regulation is a complex mechanism that controls the spatial and temporal expression of genes in a living cell. My dissertation studies focus on two problems. First, tissue-specific gene expression prediction from DNA sequence and chromatin state, and second, the accurate discovery of small over-represented regulatory circuits in gene regulatory...
Resource Type:: Dissertation

Some factors in the development of northwestern entomology

Creator:: Bonnell, Daniel Ernest
Resource Type:: Dissertation

Ruminal Biodegradation of Heterocyclic Toxic Compounds

Creator:: Tanaree, Dan D.
Abstract:: Cyclic nitramines are a class of compounds that include most of the commonly used explosives today. These are among the most common toxicants released into the environment as a result of human activity, generated on military ranges, battlefields, and production sites. Of these, hexahydro-1,3,5-trinitro-1,3,5- triazine (RDX) is of particular interest,...
Resource Type:: Dissertation

Land tenure changes in Madhya Pradesh, India; process and effects, 1950-1970

Creator:: Mukerrji, Deipica Bagchi
Abstract:: Importance of tenure structures is often ignored in agricultural development planning in India. Emphasis instead is commonly placed on agro-techniques for increasing productivity to meet the growing needs of food supply. To evaluate the affects of institutionalized tenure structure on agricultural efficiency, two pairs of contiguous districts from Madhya Pradesh,...
Resource Type:: Dissertation

A causal study of attitudes toward intercollegiate athletics of Oregon State University undergraduate students in three academic majors

Creator:: Ruhl, Glenn David
Abstract:: The purpose of this study was to determine and explain attitudes toward intercollegiate athletics of undergraduate students in three academic majors attending Oregon State University. The attitudes of a proportionate random sample consisting of 215 students were measured according to their responses to thirty-two Likert scale items containing six sub-scale...
Resource Type:: Dissertation

Reduced Order Modeling of Radiation Diffusion Kinetics via Proper Generalized Decomposition

Creator:: Alberti, Anthony L.
Abstract:: In this dissertation, we attempt to overcome the "curse of dimensionality" inherent to radiation diffusion kinetics problems by employing a novel reduced order modeling technique known as proper generalized decomposition (PGD). After verifying a proposed PGD algorithm and associated solvers through various tests, we explore its performance for computing reduced-order...
Resource Type:: Dissertation
Full Text:: finite elements. You were a heck of a guy and will always be remembered. You’ll always be one of the

Effects of Biochar and Nitrogen-Enriched Soil Amendments on Plant Growth, Mineral Nutrition, and Early Fruit Production in Highbush Blueberry (Vaccinium sp.)

Creator:: Sales, Bryan K.
Abstract:: The goal of the work in this dissertation was to identify alternative soil amendments to improve plant growth and yield during establishment of highbush blueberry (Vaccinium hybrid). Woody materials, such as sawdust and wood chips, have a high carbon to nitrogen (C:N) ratio and low water holding capacity, which can...
Resource Type:: Dissertation
Full Text:: . Goulart, B.L., M.L. Schroeder, K. Demchak, J.P. Lynch, J.R. Clark, R.L. Darnell, and W.F. Wilcox. 1993

Predictors of participation in a prison-based parenting program

Creator:: Schumer, Jean Ellen
Abstract:: The focus of this study was threefold. This research examined the extent to which parenting alliance between incarcerated parents and the caregivers of their children, influences participation of inmate parents in parenting programs. This research explored the extent to which family contact influences participation of inmate parents in parenting programs....
Resource Type:: Dissertation
Full Text:: relationship quality and stability between parents, and better outcomes for children (Rosenberg & Wilcox

The spectral backscattering properties of marine particles

Creator:: Whitmire, Amanda L.
Abstract:: The inherent and apparent optical properties of different ocean regimes are the basis for all optical remote sensing of the ocean. Ecological information derived from remote sensors therefore relies on having a detailed understanding of how particulate backscattering and absorption contribute to the bulk optical signal. The absorption characteristics of...
Resource Type:: Dissertation
Full Text:: at sea. On land, Russ proved to be the go-to guy for questions in math and physics, as well as tips

Boundaries of research : civilian leadership, military funding, and the international network surrounding the development of numerical weather prediction in the United States

Creator:: Harper, Kristine C.
Abstract:: American meteorology was synonymous with subjective weather forecasting in the early twentieth century. Controlled by the Weather Bureau and with no academic programs of its own, the few hundred extant meteorologists had no standing in the scientific community. Until the American Meteorological Society was founded in 1919, meteorologists had no...
Resource Type:: Dissertation
Full Text:: dissertation: Joanne Simpson, George Haltiner, Fred Decker, Bert Bolin, Willard "Sam" Houston, Leo Clarke

African-American folkloric form and function in segregated one-room schools

Creator:: Gray, Pearl Spears
Abstract:: Maintenance of one's self and one's people in a free society requires educational, cultural, and economic literacy. This is fully as imperative in a democracy as the maintenance of ignorance of slaves is required in an oppressive society. The requisite skills needed both to sustain one's self and become a...
Resource Type:: Dissertation
Full Text:: instruments of reform and mediators of change (Wilcox, 1982) . The perceptual differences between

The role of costimulation and adjuvants in the development of T cell effector and memory responses

Creator:: Maxwell, Joseph R.
Abstract:: T cells are one of the key cells in the immune system. Although they are not the first line of defense against a pathogen, their functions can greatly enhance the phagocytosis and destruction of pathogens as well as the development of antibody responses. Furthermore, even when responding T cells have...
Resource Type:: Dissertation

Habitat management for beneficial insects on Willamette Valley vegetable and berry farms

Creator:: Russell, Michael C.
Abstract:: Conservation biological control involves manipulating farm landscapes or management systems to enhance populations of beneficial predators of agricultural pests. Farmscaping is one aspect of conservation biological control where predators of important pests are identified, the availability on the farm landscape of resources and habitat components needed by the beneficials to...
Resource Type:: Dissertation
Full Text:: -242. Collins, K.L., N.D. Boatman, A. Wilcox, and J.M. Holland 2003. Effects of different grass

Preliminary framework for the run-ahead predictive simulation software (RAPSS)

Creator:: Makinson, Kevin A.
Abstract:: The Run-Ahead Predictive Simulation Software (RAPSS) is an architecture designed for faster-than-real-time decision support for operators of complex networks. To enable further development of the RAPSS methodology, the necessary proof of principle is illustrated in two applications: decision support for shift technical advisors in nuclear power plant control rooms (RAPSS-STA),...
Resource Type:: Dissertation
Full Text:: models and being my go-to guy for RELAP questions. I’d particularly like to give a shout out to my

Computational Rationalizations of Mechanism and Stereocontrol in Small-Molecule Lewis Base Organocatalysis

Creator:: McCauley-Walden, Daniel W.
Abstract:: My work has focused on investigating synthetic organic reactions using applied computational methods. Non-covalent interactions are critical to catalysis, mechanism, and stereoselectivity, with the most prominent interaction for isothioureas being the S···O contact between the catalyst sulfur atom and the oxygen of the acyl group. A comprehensive joint experimental and...
Resource Type:: Dissertation
Full Text:: Ryne C. Johnston also contributed to computations. Paul H.-Y. Cheong, Guy C. Lloyd-Jones, and Andrew

Modulation of metabolic syndrome by soy isoflavones : in-vitro and in-vivo models

Creator:: Luo, Ting
Abstract:: Metabolic syndrome is a problem affecting people around the world. In a number of studies, soy intake has been documented to possess antidiabetic and anticardiovascular effect. My project is focused on the impact of the intake of compounds found within soy, the isoflavones, their impact on metabolic syndrome symptoms, and...
Resource Type:: Dissertation

Health status in migrant and seasonal farm workers, and other clients in a community and migrant health center

Creator:: Greer, Marsha
Abstract:: Unknown questions remain concerning the health of migrant farm workers, seasonal farm workers, and other rural poor people. The objectives of this study were to determine the demographic profile of a sample from a Community and Migrant Health Center; to determine the prevalence of disease in migrant farm workers, seasonal...
Resource Type:: Dissertation

Factors influencing the effects of host diversity on plant disease epidemics for wheat stripe rust and potato late blight

Creator:: Garrett, Karen A.
Abstract:: Most studies of plant disease epidemiology have focused on epidemics in host populations composed of a single genotype. But crop plant diversity can be a useful means of improving the deployment of resistance genes. In a series of experiments with wheat stripe rust and potato late blight, we studied factors...
Resource Type:: Dissertation

Middle school mathematics teachers' subject matter knowledge and pedagogical content knowledge of probability : its relationship to probability instruction

Creator:: Swenson, Karen A.
Abstract:: As a result of the calls for reform in mathematics education and the ever-changing nature of mathematics, today's teachers face the challenge of teaching unfamiliar content in ways that are equally unfamiliar. In view of this challenge, the purpose of this study was to investigate middle school teachers' subject matter...
Resource Type:: Dissertation

Forging new paths : life course transitions for American women and their families

Creator:: Schmiege, Cynthia J.
Abstract:: 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...
Resource Type:: Dissertation

Diversity of bacterioplankton and plastid SSU rRNA genes from the eastern and western continental shelves of the United States

Creator:: Rappé, Michael Stephen
Abstract:: The phylogenetic diversity of two continental shelf picoplankton communities was examined by analyzing SSU (16S) ribosomal RNA (rRNA) genes amplified from environmental DNA with bacterial-specific primers and the polymerase chain reaction (PCR). Picoplankton populations collected from the pycnocline (10 m) over the eastern continental shelf of the United States near...
Resource Type:: Dissertation

The influence of biophysical feedbacks and species interactions on grass invasions and coastal dune morphology in the Pacific Northwest, USA

Creator:: Zarnetske, Phoebe Lehmann
Abstract:: Biological invasions provide a unique opportunity to study the mechanisms that regulate community composition and ecosystem function. Invasive species that are also ecosystem engineers can substantially alter physical features in an environment, and this can lead to cascading effects on the biological community. Aquatic-terrestrial interface ecosystems are excellent systems to...
Resource Type:: Dissertation

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