Index Catalog // ScholarsArchive@OSU

β-Lactoglobulin adsorption equilibrium at low- and high-energy surfaces

Creator:: Al-Malah, Kamal Issa Masoud
Abstract:: Ellipsometry was used to study the effects of surface energetics and temperature on the equilibrium adsorptive behavior exhibited by β-lactoglobulin. β-Lactoglobulin isotherms at 25, 37, and 55°C were constructed for this purpose. The surfaces of acrylic, polycarbonate, polyester, glass, and #304 stainless steel were contacted with protein solutions of varying...
Resource Type:: Masters Thesis

α-tocopherol is specifically delivered to human skin : studies using deuterium-labeled α-tocopherol

Creator:: Vaule, Heather D.
Abstract:: The relative enrichment of skin sebaceous gland lipids with deuterium-labeled α-tocopherol was compared with plasma enrichment to evaluate the delivery of vitamin E to skin. For the first week of this study, each subject consumed a daily dose of deuterated vitamin E (150 mg of an equimolar mixture of RRR-α-[5-(C²H₃)]-(d₃)...
Resource Type:: Masters Thesis

Zooplankton variability in the California current, 1951-1982

Creator:: Roesler, Collin Stevens
Resource Type:: Masters Thesis

Zonal Resource Adequacy for Voltage Control

Creator:: Boller, Michael D.
Abstract:: In a power system, operators maintain voltage stability through adequate reactive reserves. Maintaining and accessing an efficient allocation of reactive reserves is prohibitively complex because of reactive line losses, the variety of reactive resources, and either limited or variable reactive outputs from renewable sources. By clustering the system into smaller...
Resource Type:: Masters Thesis

Zinc-phosphorus relationships in five plant species

Creator:: Henning, Stanley John
Abstract:: The effects of zinc and phosphorus treatments on five different plant species were investigated in a greenhouse experiment. A second greenhouse experiment extended these investigations in sweet corn over a broad range of phosphorus treatments with and without adequate zinc nutrition to study phosphorus induced zinc deficiency. The plant responses...
Resource Type:: Masters Thesis

Zinc-65 uptake by a bacterium isolated from Alder Slough, Columbia River Estuary

Creator:: Tonjes, Stephen Dodd
Abstract:: Bacteria were isolated from water at Alder Slough, Oregon. Of 15 isolates grown successfully in the medium employed, 100% showed measurable uptake of Zn-65. A growth curve was established for one isolate, a gram-negative rod designated AS-1. Increasing Zn-65 uptake was found generally to correspond with increasing growth of AS-1....
Resource Type:: Masters Thesis

Zinc, copper and manganese in the razor clam, Siliqua patula

Creator:: Gile, Jay Dean
Abstract:: Zinc, copper and manganese concentrations were measured by atomic absorption spectroscopy in Siliqua patula collected during May, 1970 through May, 1971. Individual clams were analysed to determine the degree of variation among individuals, Statistical analysis proved the variation to be highly significant. Monthly composite samples of 18 clams were collected...
Resource Type:: Masters Thesis

Zinc tin oxide thin-film transistor current mirror circuits

Creator:: Feller, Layannah Elizabeth
Abstract:: The central focus of this thesis is the design, fabrication and characterization of amorphous oxide semiconductor (AOS) thin-film transistor (TFT) current mirrors. The thin-film deposition and circuit fabrication methods used to realize zinc tin oxide (ZTO) TFT current mirrors are addressed in order to elucidate the processing challenges for this...
Resource Type:: Masters Thesis

Zinc tin oxide thin-film transistor circuits

Creator:: Heineck, Daniel Philip
Abstract:: The primary objective of this thesis is to develop a process for fabricating integrated circuits based on thin-film transistors (TFTs) using zinc tin oxide (ZTO) as the channel layer. ZTO, in contrast to indium- or gallium-based amorphous oxide semiconductors (AOS), is perceived to be a more commercially viable AOS choice...
Resource Type:: Masters Thesis

Zinc Tin Oxide Thin Films by Pulsed Laser Deposition for use in Transparent Thin-Film Transistors

Creator:: Osborne, James J.
Abstract:: Zinc tin oxide (ZTO) films deposited by pulsed laser deposition (PLD) are investigated as a channel layers for transparent thin-film transistors (TTFTs). Films are deposited on glass for characterization, and transistor channel layers are deposited onto aluminum oxide-titanium oxide/tin doped indium oxide/glass substrates (ATO/ITO/glass) to produce TTFTs. UV-visible spectroscopy on...
Resource Type:: Masters Thesis

Zeolite packed biologically active filter (biofilter) to reduce odorous emissions from a confined swine building

Creator:: Stoeckinger, Andrew J.
Abstract:: A zeolite packed biofilter was retrofitted to a confined swine feeding operation in Eastern Washington, and evaluated for its ability to reduce the malodors from fan exhaust drawn from an internal under-slat manure storage pit. Ammonia (NH₃) was used as the representative constituent of swine waste malodor due to its...
Resource Type:: Masters Thesis

Youth Recruitment and an Aging Workforce : A Pilot Study of Intergenerational Family Business in Oregon’s Commercial Fishing Industry

Creator:: Caracciolo, Deanna E.
Abstract:: Commercial fishing is a culturally and economically significant industry on the Oregon coast. The importance of this industry to human communities is often neglected in fisheries research, with economic and ecological data being favored by managers and decision makers. Recent observations in many coastal communities have indicated aging of fishermen...
Resource Type:: Masters Thesis

Young-of-the-year rockfish (Sebastes spp.) settlement dynamics in Oregon estuaries

Creator:: Dauble, Alison D.
Abstract:: In the Pacific Northwest, several species of rockfishes (Sebastes spp.) are under extreme conservation measures due to low population levels. Although currently at healthy population levels, one species of interest is the black rockfish (S. melanops), which has been shown to utilize estuarine habitat during its early life history stages....
Resource Type:: Masters Thesis

Young children's interpretation of parental figures : a study of communication in play interview situations

Creator:: Weldon, Bertna Frances
Resource Type:: Masters Thesis

Young adults' beliefs about and use of herbal supplements in relation to their dietary attitudes and behaviors

Creator:: Koorndyk, Tamberly
Abstract:: Today in the United States, herbal supplements are growing increasingly popular, however, little is known about the safety and efficacy of these products. This study contributes to the growing body of information about the prevalence of herbal supplement use among young adults (18 to 24 years) and the beliefs young...
Resource Type:: Masters Thesis

Yields of repeated high and low commercial thinnings of immature coastal Western hemlock

Creator:: Hilt, Donald E.
Abstract:: Commercial thinnings in a 50-year-old stand of nearly pure, well stocked, even-aged western hemlock (Tsuga heterophylla) on the Hemlock Experimental Forest near Hoquiam, Washington, began in 1952 and ended in 1968. The experiment consisted of two replications of four different thinning treatments, high and low thinning, both at frequent and...
Resource Type:: Masters Thesis

Yield, quality characteristics, and composition of Limnanthes alba seed as affected by rate, source, and date of nitrogen application

Creator:: Ayres, Thomas Arthur
Abstract:: The effect of nitrogen (N) application on seed yield of Limnanthes alba was studied for two years at two locations. Seeding following alfalfa (Medicago sativa L.) was compared to establishment after wheat (Triticum aestivum L.). Treatments used were a control (no N applied), and two rates of N (50 and...
Resource Type:: Masters Thesis

Yield, protein, and hcn content of varieties of sudangrass Sorghum vulgare sudanense (Piper) Hitchc and pearl millet Pennisetum

Creator:: Wilcox, Bert Guy
Resource Type:: Masters Thesis

Yield responses of invasive grasses to carbon doses

Creator:: Brunson, Jessi L.
Abstract:: The sagebrush steppe ecosystem of the northern Great Basin is severely degraded and continues to decline due in large part to the invasive, non-native annual grasses Bromus tectorum L. (cheatgrass) and Taeniatherum caput-medusae (L.) Nevski (medusahead). Restoration of invasive-dominated areas is difficult, but can be enhanced by adding a carbon...
Resource Type:: Masters Thesis

Yield loss assessment in nonprotected winter wheat varieties (Triticum aestivum, L. em Thell)

Creator:: Camacho Casas, Miguel Alfonso
Abstract:: The effects of some soil- and foliar-borne biotic factors on grain yield and the components of yield were evaluated using five winter wheat varieties sown at two dates. Within each planting date, varieties were grown under four different combinations of two soil treatments (fumigation and nonfumigation) and two foliar treatments...
Resource Type:: Masters Thesis

Yield component and growth analysis of strawberries

Creator:: Olsen, Jeff L.
Abstract:: Two studies were initiated in June of 1981 in order to gain greater understanding of the growth and fruiting habits of field grown strawberries in Oregon's Willamette Valley. Yield component analysis of 'Benton', Oregon's leading cultivar and an advanced breeding selection, 'OR-US 4356' was conducted during the first (1981) and...
Resource Type:: Masters Thesis

Yield and quality of meat from shrimp (Pandalus jordani) precooked in water containing condensed phosphates

Creator:: San Roman, Maria Teresa
Resource Type:: Masters Thesis

Yield and quality of cereals for winter silage production

Creator:: Ben Ali, Mohamed Noureddine
Abstract:: A field study was conducted in 1978 and 1979 at two locations near Corvallis, Oregon, to determine the silage yield and quality of 13 fallsown cereal varieties at two nitrogen fertilizer levels in the context of a corn-winter cemal double cropping production system. Data on the yield, crude protein (CP)...
Resource Type:: Masters Thesis

Yield and other agronomic characters of winter wheat cultivars as affected by five seeding rates and three different environmental conditions

Creator:: Güler, Mengü
Abstract:: Five newly released and two Eastern European winter wheat cultivars were grown under five different seeding rates (80, 160, 240, 320, 400 seeds per m²). Four of these newly released cultivars were grown at three different locations which have different environmental conditions. Data were obtained on grain yield, tiller number...
Resource Type:: Masters Thesis

Yield and financial analysis of "New forestry" techniques on the McDonald and Dunn Forests

Creator:: Bartlett, David M.
Abstract:: In the Pacific Northwest, a transition has begun that is shifting many practices in forest management. Traditionally, harvesting and regeneration has been done through clearcutting which removes all trees in the area being cut and plants an entirely new stand. Clearcutting is often the most efficient method for harvesting forests...
Resource Type:: Masters Thesis

Yersinia ruckeri : a characterization of the carrier state in steelhead trout (Salmo gairdneri)

Creator:: Hunter, Valerie Antoinette
Abstract:: Fish, asymptomatically infected with Enteric Redmouth Bacterium (ERMB), were tested for their ability to transmit bacteria to non-infected fish. Unstressed carrier fish were unable to transmit enough bacteria to cause epizootics or produce carrier fish. However, when the ERMB carriers were stressed with heat, sufficient bacteria were shed to infect...
Resource Type:: Masters Thesis

Yellowtail flounder, Limanda ferruginea, stock status 1988 : a revision of southern New England and Georges Bank assessments

Creator:: McBride, Margaret M.
Abstract:: The 1988 status of yellowtail flounder stocks off the U.S. coast of the Northwest Atlantic is assessed using U.S. and distant water fleet commercial fishery statistics and Northeast Fisheries Center bottom trawl survey data. Assessments of Southern New England and Georges Bank stocks are revised using virtual population analysis of...
Resource Type:: Masters Thesis

Yeast protein release during fermentation and aging in a model wine

Creator:: Rowe, Jeffrey D.
Abstract:: Yeast mannoproteins released during the process of aging wine on the yeast lees have been reported to make important contributions to wine quality. However, few mannoproteins have been identified in wine and their lifespan during aging is unknown. As a first step towards better understanding the contributions of yeast mannoproteins...
Resource Type:: Masters Thesis

Yeast culture improves lactation performance and metabolic status in transition dairy cows

Creator:: Ramsing, Erica M.
Abstract:: Yeast culture supplementation has been used to improve the health and performance of dairy cows for the last 25 years. To evaluate the effect of a Saccharomyces cerevisiae fermentation product (Diamond V Original XP™) on the health and production of peripartal Holstein cows, two research studies were conducted. The first...
Resource Type:: Masters Thesis

Yearly variation in the abundance and distribution of fish larvae in the coastal zone off Yaquina Head, Oregon, from June 1969 to August 1972

Creator:: Mundy, Bruce Carl
Resource Type:: Masters Thesis

Year-class regulation of mid-upper Columbia River spring Chinook salmon Oncorhynchus tshawytscha : the role of juvenile size, growth, and migratory behavior

Creator:: Tomaro, Londi M.
Abstract:: Early ocean residence is assumed to be a critical period for juvenile Pacific salmon Oncorhynchus spp. However, the specific mechanisms influencing growth and survival in the ocean have not been identified for most populations. Therefore, three hypotheses regarding the relationship between early marine residence and subsequent survival of mid-upper Columbia...
Resource Type:: Masters Thesis

Xylem discontinuity in Vitis vinifera L. berries

Creator:: Creasy, Glen L.
Abstract:: Several effects of xylem discontinuity in Pinot noir and Merlot grape berries were studied. There was a reduction in the amount of apoplastic dye (Eosin Y or azosulfamide) uptake through cut pedicels into soft versus firm berries, suggesting a reduction in maximal xylem flow at that time. Both greenhouse and...
Resource Type:: Masters Thesis

XAFS investigation of the local structure of cadmium in Cu(In[subscript 0.7]Ga[subscript 0.3])Se₂-based thin films

Creator:: Ma, Giang N.
Abstract:: We have performed fluorescence extended X-ray absorption fine structure (EXAFS) measurements on the Cd K-edge of partial electrolyte (PE) treated Cu(In[subscript 0.7]Ga[subscript 0.3])Se₂ (CIGS) thin film samples using synchrotron X-ray radiation. This data was compared to the EXAFS spectra of CdSe and CdO standards. Cd local structure models were constructed...
Resource Type:: Masters Thesis

X-ray triggering by automatic sensing

Creator:: Murtagh, Richard James
Abstract:: A brief history of X-ray control methods is presented, and the instrumentation requirements and physiological considerations pertaining to an automatic X-ray control system are discussed. The latter half of the thesis describes the design and operation of a device which will permit medical radiographs to be taken automatically and at...
Resource Type:: Masters Thesis

X-ray study of an isobranched lecithin

Creator:: Herpe, Joachim
Abstract:: Lipids, especially phospholipids, are very common but important molecules found in cells and animal tissue, performing many biological functions, particularly in membranes. Lipids, when mixed with water, spontaneously form ordered systems, such as micelles, vesicles and multibilayers. The size of these systems and their degree of ordering depend on the...
Resource Type:: Masters Thesis

X-ray photoelectron spectroscopy of trifluoromethylbenzenes and chlorofluoromethanes

Creator:: Holmes, Steven Allen
Abstract:: The core-electron ionization potentials for mono- and di(trifluoromethyl)benzene, for chlorofluoromethanes and for chlorine have been measured in order to give information on the electron distribution in these molecules and to investigate differences between the inductive effect of fluorine and that of CF3. For trifluoromethylbenzene the measured ionization potentials in eV...
Resource Type:: Masters Thesis

Woven stretch and nonstretch fabrics in clothing designed for boys with specified physical handicaps

Creator:: Reeves, Marilyn Laree
Abstract:: This study was developed (1) to compare the durability and comfort of stretch and nonstretch in certain selected denim and gingham fabrics, (2) to test specific designs as to their self-help features and (3) to test special features in the designs which might be adapted easily to ready-made clothing for...
Resource Type:: Masters Thesis

World War II wedding dress as presented in United States high fashion magazines: 1939-1945

Creator:: Clayton, Tamara
Abstract:: The purpose of this study was to explore wedding dress styles represented in United States high fashion magazines during the World War II period. The objectives of the study were to: discover what wedding dress styles were proposed by high fashion magazines during the period 1935-45, determine if wedding dress...
Resource Type:: Masters Thesis

Worksite health promotion programs : thirty-four case studies

Creator:: Fowler, Sheila J.
Abstract:: Thirty-four current worksite health promotion programs were studied in order to obtain comprehensive information about various components involved in the planning, implementation, and evaluation of existing programs, and to acquire the necessary data to develop a theory and corresponding hypotheses pertaining to successful worksite health promotion programs. The case study...
Resource Type:: Masters Thesis

Working relations and marketing channels in the seafood industry: a multi-sector analysis

Creator:: Anderson, Finlay
Abstract:: With indications that fisheries production has plateued at a global capacity of 85 million metric tons in the 1990's, further exploitation of marine stocks on a sustainable basis is unrealistic. Economic development of coastal and regional economies will benefit from new approaches to maximizing benefits from harvested products that include...
Resource Type:: Capstone Project

Work Overloads Approximation on a Moving Assembly Line Workstation using Markov Chain

Creator:: Khandke, Shardul
Abstract:: Moving mixed-model assembly lines are used by many companies to assemble multiple model types of a particular product. A moving assembly line consists of a material movement system that moves jobs at a constant velocity across a series of workstations. The variation in the work content of jobs at workstations...
Resource Type:: Masters Thesis

Work of the county health unit in the third class high school districts in Jackson County, Oregon : a proposed organization

Creator:: Zobel, Raymond Louis
Resource Type:: Masters Thesis

Work load and S-T segment changes during monitored bicycle ergometer exertion following varied carbohydrate feedings and vitamin B-6 supplementation

Creator:: Siemann, Art W.
Abstract:: The purpose of this study was to monitor coronary responses occurring in the S-T segment of an electrocardiogram before, during and after exercise following a "standard" carbohydrate-loading schedule with varied vitamin B-6 supplementation. The study was conducted using four college-aged males who had been training a minimum of two years...
Resource Type:: Masters Thesis

Woody riparian species patterns along northeast Oregon mountainous streams and the relationship to riparian capability

Creator:: Yancey, Jennifer M.
Abstract:: Woody riparian vegetation is an essential component of riparian ecosystems, responsible in part for the maintenance of functional ecological processes. The plant community composition and distribution provide an indication of the underlying mosaic of environmental attributes and processes. Restoration and management of riparian communities have been hindered by the lack...
Resource Type:: Masters Thesis

Woodpeckers of the Pacific Northwest : their characteristics and their role in the forests

Creator:: Jackman, Siri M.
Resource Type:: Masters Thesis

Wood-Rotting Fungal Pigments as Colorant Coatings on Oil-Based Textile Dyes: A Detailed View of the Interaction between Fungal Pigments and Some Commercial Fabrics

Creator:: Palomino Agurto, Mardonio
Abstract:: Natural dyes have been used to color textiles for centuries, but with the shift to mass production, the use of synthetic dyes has increased due to their lower cost and easy manufacturing volume. However, synthetic dyes (such as disperse blue dyes 106 and 124) have been reported to cause skin...
Resource Type:: Masters Thesis

Wood treatment by double-diffusion using copper sulfate and sodium fluoride

Creator:: Pavia-Jones, K. Josephine
Abstract:: In investigating wood treatment as a possible processing option for Alaska forest products manufacturers, the double-diffusion method using sodium fluoride followed by a copper sulfate appeared to be the most advantageous approach. Yet, little information was available as to the chemical retention after treating and its resistance to leaching. Green...
Resource Type:: Masters Thesis

Wood molasses as compared to cane molasses in fattening rations for swine

Creator:: Ousterhout, William Kimball
Resource Type:: Masters Thesis

Wood materials and shearwalls of older light-frame residential structures

Creator:: Carroll, Cameron T.
Abstract:: Light-frame construction practices and materials have changed greatly over the past 100 years. Contemporary research has focused on modern construction; thus, we know a great deal about the behavior of modern lightframe buildings under lateral forces. However, there are many light-frame buildings that were built prior to the introduction of...
Resource Type:: Masters Thesis

Wood density patterns of young Costa Rican trees in planted and natural forests

Creator:: Baker, David C.
Abstract:: In plantation forestry, rapid growth rate is favorable for wood production, but may decrease wood density, which is an important indicator of wood quality for both pulp and solid wood products. I looked for (1) differences in radial patterns of wood density between planted and naturally grown Costa Rican tree...
Resource Type:: Masters Thesis

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