Index Catalog // ScholarsArchive@OSU

Petrology and geochemistry of the Emigrant Pass volcanics, Nevada : implications for a magmatic-hydrothermal origin of the Carlin gold deposits

Creator:: Johnson, Curtis L.
Abstract:: The Emigrant Pass volcanics (EPV) are a 38.3 to 36.4 Ma calc-alkaline volcanic center that erupted andesite and dacite, and a late series of felsic dikes along the south flank of the Carlin gold district in north-central Nevada. The EPV includes dacite and rhyolite porphyry dikes indistinguishable from porphyry dikes...
Resource Type:: Masters Thesis
Full Text:: special thanks to my committee members, Mike Ressel, Christopher Henry, and Adam Kent for spending

Deconvolving the sedimentary phases of barium using flow-through time-resolved analysis

Creator:: Hsieh, Chih-Ting
Abstract:: The distribution of barite (BaSO₄) in marine sediments has long been studied as a proxy for paleoproductivity. While pure barite is known to be a stable mineral in oxic sediments, it is also known that variations in the Sr/Ba ratio influence its solubility and liability during early diagenesis. To extract...
Resource Type:: Masters Thesis
Full Text:: sediment in South Pacific (KN7812- 17BC 0-5 cm at 49.552°S-179.702°W). Sediment samples were treated with

Determination of Total Nucleotides, Nitrogenous Bases and Degradation By-Products with Respect to Various Processing and Preservation Techniques for Alaska Pollock (Gadus chalcogrammus) and Yellowfin Sole (Limanada aspera)

Creator:: Nelson, Kevin A.
Abstract:: The primary goal of this research was to determine the concentration and composition of nucleotides, as nucleoside monophosphates and nucleobases, in the underutilized reproductive organs (milt and roe) of Alaska pollock (Gadus chalcogrammus) and yellowfin sole (Limanda aspera). Changes in concentrations of these nucleotides and nucleotide analogs were observed with...
Resource Type:: Masters Thesis

Deposition and characterization of transition metal oxides from aqueous solution

Creator:: Betterton, Sharon A.
Abstract:: The aqueous chemistries of two transition metal cations, Zr⁴⁺ and Nb⁵⁺, are examined and then used to develop inorganic precursor solutions. The oxides of these cations (ZrO₂ and Nb₂O₅) are deposited and characterized, and their morphological and optical properties discussed. Due to the obstacles created by niobium's aqueous chemistry, an...
Resource Type:: Masters Thesis
Full Text:: Keszler, Richard Nafshun, Philip Watson, Michael Lerner, Mas Subramanian, Wei Kong, and Janet Tate for

Experimental Evolution of Roundup Resistance in Outcrossing Populations of Saccharomyces cerevisiae

Creator:: Hanson, Chloe C.
Abstract:: Evolve & Resequence (E&R) experiments subject laboratory populations to environments controlled by investigators, who then document the phenotypic and genomic changes that take place over many generations. These experiments provide powerful tools for testing of a wide variety of evolutionary questions, especially questions about the nature of adaptive traits. While...
Resource Type:: Masters Thesis
Full Text:: like to thank Dr. Dee R Denver, Dr. Joseph W. Spatafora, and Dr. Michael Freitag for their support and

Risk Assessment of Salmonella in Raw Hazelnuts and use of Propylene Oxide as a Potential Mitigation Strategy

Creator:: Wright, Daniel G.
Abstract:: Multiple outbreaks of foodborne illness (Salmonella and E. coli O157:H7) have been associated with tree nuts and tree nut products since the early 2000s. In response to these outbreaks and many others in fresh produce and peanut butter, Congress created and passed the Food Safety Modernization Act (FSMA) to require...
Resource Type:: Masters Thesis
Full Text:: : Michael Penner, Chad Higgins, and Laurel Kincl for their insight, support, and flexibility in helping me

Evaluation of the Performance of Lateral Spread Displacement Empirical Models for Subduction Zone Earthquake Case Histories

Creator:: Bunn, Michael
Abstract:: Lateral spread is a pervasive type of liquefaction-induced ground failure that occurs on gentle slopes or near free-faces, such as river channels. Resulting horizontal displacements can reach up to several meters, and can be considerably damaging to foundations, bridges, roadways, pipelines, etc. In the 1990s, Bartlett and Youd (1992a, 1995)...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Michael Bunn for the degree

The relationship between biorhythms and injuries to college football participants

Creator:: Jun, Tae Won
Abstract:: Purpose: The general problem was to determine the relationship between biorhythms and injuries to college football participants representing Oregon State University. Procedures: The population consisted of one hundred and ninty two football players representing Oregon State University who participated in the intercollegiate football seasons of 1981 and 1982. Injury data...
Resource Type:: Masters Thesis
Full Text:: to Dr. Robert E. Michael, Dr. Allen Q. Wong and Dr. Carvel W. Wood for their valuable time and

Comparison and optimization of chromatographic conditions for separation of cyclic dynorphin A analogues from linear byproducts

Creator:: Leelasvatanakij, Leena
Resource Type:: Masters Thesis
Full Text:: . Thirdly, I would like to acknowledge my committee members, Dr. Michael W. Schuyler, Dr. T. Mark Zabriskie

Factors influencing the atmospheric aerosol composition at two sites in western Oregon

Creator:: Ko, Lih-jong
Abstract:: Fine and coarse particles were collected for eight weeks during the summer of 1991, at a coastal site (Yaquina Head) and a non-industrial site (Corvallis) in Western Oregon to characterize the aerosol composition and evaluate whether the sites are appropriate for sampling "background" marine air. Concentrations of up to 11...
Resource Type:: Masters Thesis
Full Text:: guidance and great help throughout my master's years. I would also like to thank Dr. Michael W. Schuyler

The effects of plant population and nitrogen on sweet corn yields

Creator:: Moss, Joe Dick
Abstract:: The response of sweet corn (Zea mays L. var. rugosa cultivar Jubilee) to 12 populations and four nitrogen rates was studied in a field experiment. Populations ranged from 43, 904 to 329,800 plants/ha with nitrogen levels ranging from 0 to 224 Kg/ha. A systematic spacing design was used. Plant height,...
Resource Type:: Masters Thesis
Full Text:: . Recognition is also given to Dr. Michael H. Chaplin, Dr. William W. Chilcote, and Dr. Murray D

Tactics for enhancing conservation biological control of twospotted spider mites, Tetranychus urticae Koch, in Pacific Northwest hop yards

Creator:: Woods, Joanna L.
Abstract:: The twospotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae), is a worldwide pest of numerous agronomic and horticultural plants. Conservation biological control of this pest can be unreliable due to asynchrony of natural enemies and certain horticultural practices that have a direct or indirect affect on natural enemies and the...
Resource Type:: Masters Thesis

Impact of malolactic fermentation on red wine color and color stability

Creator:: Burns, Tresider R.
Abstract:: Malolactic fermentation (MLF) is an important step in the production of wines and is commonly performed in red or cool climate wines to reduce acidity. In this study the impact of MLF on red wine color and the ability of Oenococcus oeni to degrade compounds important to the development of...
Resource Type:: Masters Thesis
Full Text:: Wrolstad and Dr. Michael Qian for serving on my thesis committee as well as Dr. Frank Chaplen of

Incubation patterns, parental roles, and nest survival of black oystercatchers (Haematopus bachmani) : influences of environmental processes and potential disturbance stimuli

Creator:: Spiegel, Caleb S.
Abstract:: Shorebirds display great variation in mating systems and breed in dynamic environments that are increasingly subject to human threats worldwide. In order to adequately assess productivity and demography of shorebird populations, it is important to understand factors that influence patterns of parental care and reproductive success. The Black Oystercatcher (Haematopus...
Resource Type:: Masters Thesis
Full Text:: to have some wonderful adventures over the years. I am very grateful to Dr. Michael Goldstein for

ScholarsArchive@OSU

Petrology and geochemistry of the Emigrant Pass volcanics, Nevada : implications for a magmatic-hydrothermal origin of the Carlin gold deposits

Deconvolving the sedimentary phases of barium using flow-through time-resolved analysis

Determination of Total Nucleotides, Nitrogenous Bases and Degradation By-Products with Respect to Various Processing and Preservation Techniques for Alaska Pollock (Gadus chalcogrammus) and Yellowfin Sole (Limanada aspera)

Deposition and characterization of transition metal oxides from aqueous solution

Experimental Evolution of Roundup Resistance in Outcrossing Populations of Saccharomyces cerevisiae

Risk Assessment of Salmonella in Raw Hazelnuts and use of Propylene Oxide as a Potential Mitigation Strategy

Evaluation of the Performance of Lateral Spread Displacement Empirical Models for Subduction Zone Earthquake Case Histories

The relationship between biorhythms and injuries to college football participants

Comparison and optimization of chromatographic conditions for separation of cyclic dynorphin A analogues from linear byproducts

Factors influencing the atmospheric aerosol composition at two sites in western Oregon

The effects of plant population and nitrogen on sweet corn yields

Tactics for enhancing conservation biological control of twospotted spider mites, Tetranychus urticae Koch, in Pacific Northwest hop yards

Impact of malolactic fermentation on red wine color and color stability

Incubation patterns, parental roles, and nest survival of black oystercatchers (Haematopus bachmani) : influences of environmental processes and potential disturbance stimuli

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