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  • Isotopic exchange reactions between thionyl chloride and sulfuryl chloride

    Creator:
    Bain, Ralph Lee
    Resource Type:
    Dissertation
    Full Text:
    EXCHANGE REACTIONS BETWEEN THIONYL CHLORIDE AND SULFURYL CHLORIDE by RALPH LEE BAIN A THESIS

  • A study of nisin resistance in Listeria monocytogenes Scott A

    Creator:
    Ming, Xintian
    Abstract:
    Eight foodborne pathogenic and spoilage Gram-positive bacteria were evaluated for their spontaneous resistance frequencies to the peptide antimicrobial nisin. In brain heart infusion (BHI) medium, nisin resistance frequencies were in the range of l06 to l08 when exposed to nisin at concentrations 2 to 4 times the minimal inhibitory concentrations....
    Resource Type:
    Dissertation
    Full Text:
    Nisin Resistance in Listeria monocytogenes Scott A Abstract approved by -t 1- Mark A. Daeschel

  • Influence of Novel Ocean Conditions on Life History Characteristics of a Nearshore Rockfish with Implications for Population Assessment and Management

    Creator:
    Rosemond, Rebecca C.
    Abstract:
    The California Current Large Marine Ecosystem (CCLME), located on the eastern boundary of the North Pacific Ocean, is highly dynamic, with variable conditions driven by seasonal upwelling, regional oceanography, and broad scale climate patterns. In the last decade, the northeast Pacific Ocean has experienced several marine heatwaves (MHWs), prolonged periods...
    Resource Type:
    Dissertation
    Full Text:
    : ____________________________________________________ Scott A. Heppell The California Current Large Marine Ecosystem (CCLME), located on the

  • Shear reinforcement effects of discrete columns in liquefiable soils

    Creator:
    Rayamajhi, Deepak
    Abstract:
    Discrete columns, such as stone and soil-cement columns, are often used to improve the liquefaction resistance of loose sandy ground. In particular, stone columns are considered to increase resistance potential by densification, drainage, and reinforcement mechanisms. For silty soil, the shear stress reduction resulting from the reinforcing effect of stiffer...
    Resource Type:
    Dissertation
    Full Text:
    Discrete Columns in Liquefiable Soils. Abstract approved: Scott A. Ashford Discrete columns, such as

  • Three-dimensional experiments and modeling of anisotropic clay

    Creator:
    Anantanasakul, Pongpipat
    Abstract:
    This dissertation presents the results of a research effort conducted to better understand the stress-strain, volume change, shear band formation, and strength characteristics of normally consolidated anisotropic clay under fully three-dimensional stress states. A series of consolidated drained true triaxial tests with a constant mean effective stress and constant Lode...
    Resource Type:
    Dissertation
    Full Text:
    : Three-Dimensional Experiments and Modeling of Anisotropic Clay Abstract approved: Scott A. Ashford

  • Seismic performance of a pile-supported container wharf structures in rockfill

    Creator:
    Kawamata, Yohsuke
    Abstract:
    Recently, the concept of performance based design has become popular for many types of structures, including port facilities under seismic loading. For the case of pile-supported wharves, the level of performance is generally estimated using the displacement capacity of the structure. Therefore, understanding soil-pile interaction is one of the most...
    Resource Type:
    Dissertation
    Full Text:
    Pile-supported Container Wharf Structures in Rockfill Abstract approved: Scott A. Ashford

  • Function of Oregon Estuaries to Juvenile Fishes, with Focus on Juvenile Rockfishes (Sebastes spp.) in Yaquina Bay, Oregon

    Creator:
    Schwartzkopf, Brittany D.
    Abstract:
    The role that anthropogenic and natural habitats in estuaries play in long-term population trends for Oregon’s nearshore marine fishes is poorly understood, in part due to limited temporal sampling. One important nearshore marine group is northeastern Pacific rockfishes (Sebastes spp.), which are highly diverse, with around 96 documented species, and...
    Resource Type:
    Dissertation
    Full Text:
    : ______________________________________________________ Scott A. Heppell The role that anthropogenic and natural habitats in estuaries play in

  • Long Term Trends and Sources of Sound in United States Waters

    Creator:
    Haver, Samara M.
    Abstract:
    Passive acoustic monitoring is a valuable tool for observing the status of marine environments. Comparisons of underwater soundscapes over temporal and spatial scales can provide data to inform marine conservation efforts, including protection of threatened and endangered species. This dissertation utilizes passive acoustic data collected via a broadly spaced array...
    Resource Type:
    Dissertation
    Full Text:
    States Waters. Abstract approved: ______________________________________________________ Scott A

  • The Ecophysiology of Thiamine Deficiency Complex : Evaluating Sources of Thiaminase in Great Lakes Food Webs

    Creator:
    Evans, Allison N.
    Abstract:
    Thiamine (vitamin B₁) is required by all living organisms for carbohydrate metabolism and synthesis of amino acids. Thiamine deficiency is responsible for several related classes of early life stage mortality disorders in salmonines, including Thiamine Deficiency Complex (TDC) in the Laurentian Great Lakes, Cayuga Syndrome in the Finger Lakes, and...
    Resource Type:
    Dissertation
    Full Text:
    : ___________________________________________________________________ Scott A. Heppell Thiamine (vitamin B1) is required by all living organisms for carbohydrate

  • Effects of soil slope on lateral capacity of piles in cohesive soils

    Creator:
    Nimityongskul, Nontapat
    Abstract:
    Pile supported bridges are typically constructed near or in a natural or man-made slope and are subjected to lateral loading. The current design method for laterally loaded piles involves the use of Winkler's spring concept with the standard nonlinear p-y curves. The available p-y curves were developed based on results...
    Resource Type:
    Dissertation
    Full Text:
    : _____________________________________________________________________ Scott A. Ashford Pile supported bridges are typically constructed near or in a natural or