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Filtering by: Creator Fuller, Gary Ray, 1940- Remove constraint Creator: Fuller, Gary Ray, 1940- Degree Name Doctor of Philosophy (Ph.D.) Remove constraint Degree Name: Doctor of Philosophy (Ph.D.)

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  • Personality characteristics of selected community college dropouts

    Creator:
    Edelbrock, Gary Ray
    Abstract:
    The Purpose of the Study The central purpose of this study was to determine if certain personality characteristics differ between community college persisters and those who drop out of school. The following 12 a priori hypotheses involving six Adjective Check List personality scales were tested: 1. Male persisters would have...
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    Dissertation
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    dropouts AN ABSTRACT OF THE THESIS OF Gary Ray Edelbrock for the degree of Doctor of Philosophy in

  • Simulation of cattle cycle demography: cohort analysis of recruitment and culling decisions in the national beef cow herd

    Creator:
    Nordblom, Thomas L.
    Abstract:
    This study expresses the hypothesis that historical patterns of national beef cow herd accumulation and liquidations (the cattle cycle) have been related to investment incentive differences across cow ages through time, resulting each year in changes in herd age structure, performance and potentials for adjustment in subsequent years. A review...
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    Dissertation
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    Beef Cow Herd. Abstract approved : Ray F. Brokken This study expresses the hypothesis that

  • An analysis of ecological indices and leisure participation with selected dimensions of self-concept among the elderly

    Creator:
    Guadagnolo, Frank Bernard, 1940-
    Abstract:
    The primary focus of this investigation was to assess whether or not selected ecological indices and leisure preferences demonstrated statistically significant relationships with the aged's self-concept. Gerontology, a relatively embryonic discipline, has only recently begun to examine the impact of demographic, physical and socio-psychological stresses upon the geron's self-concept. Even...
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    Dissertation
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    members--Dr. Denis Baron, Dr. Edward Heath, Dr. Russell Maddox, Dr. Kenneth Naffziger and Dr. Gary

  • Nitrogen use in container-grown woody ornamentals

    Creator:
    Sandrock, David Ray, 1971-
    Abstract:
    Lasting, effective solutions to nitrogen (N) loss from container nurseries must address layers of complexity ranging in scale from whole system nursery management to gene expression. Group-based On-site Active Learning (GOAL) was developed to aid nursery managers and related stakeholders (e.g. neighbors, policy makers, regulating agencies, researchers) in developing a...
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    Dissertation
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    . Likewise, I wish to Thank Dr. Ray William for his input to the systems portion of my thesis, Dr. Nahla

  • Cell cycle regulation of DNA precursor accumulation in the yeast Saccharomyces cerevisiae

    Creator:
    Koc, Ahmet
    Abstract:
    In budding yeast, many of the genes that encode enzymes required for DNA precursor synthesis (MCB genes) are expressed under cell cycle control in late G1/S. The relationship between MCB gene expression, dNTP synthesis and DNA synthesis was investigated by using α factor-synchronized Saccharomyces cerevisiae. The levels of all four...
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    Dissertation
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    advisor, Gary F. Merrill, for his invaluable academic advice and for his witty direction of my efforts

  • Cryogenic preservation of ram spermatozoa

    Creator:
    Burkhart, Harry Ray
    Abstract:
    Investigations with ram semen were conducted to develop procedures of cyrogenic preservation that would provide long-term retention of fertilizing capacity in ram spermatozoa. An isotonic extender consisting of egg yolk, sodium citrate, lactose, glycerol, and a broad spectrum antibiotic was selected from among several extenders tested in pilot studies. Using...
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    THE THESIS OF HARRY RAY BURKHART for the DOCTOR OF PHILOSOPHY (Name of student) (Degree) in Animal

  • Dixy Lee Ray, marine biology, and the public understanding of science in the United States (1930-1970)

    Creator:
    Ellis, Erik
    Abstract:
    This dissertation focuses on the life of Dixy Lee Ray as it examines important developments in marine biology and biological oceanography during the mid twentieth century. In addition, Ray's key involvement in the public understanding of science movement of the 1950s and 1960s provides a larger social and cultural context...
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    Dissertation
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    Doctor of Philosophy in the History of Science presented on November 21. 2005. Title: Dixy Lee Ray

  • Extraction and plant availability of cadmium and zinc in a Willamette sandy loam soil

    Creator:
    Halvorson, Gary Alfred
    Abstract:
    A Willamette sandy shot loam was treated with ZnC1₂, CdC1₂, or sewage sludge to determine the chemical fate of added Cd and Zn in the soil and their influence on the growth of corn and wheat seedlings. Cadmium was added as CdC1₂ at rates of 0, 5, 20, or 80...
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    Willamette sandy loam soil AN ABSTRACT OF THE THESIS OF Gary Alfred Halvorson in Soil Science Doctor of

  • Exploring the structural dynamics of human understanding : an historico-philosophical analysis of the problem of meaning in Heidegger and Bohr

    Creator:
    Tattersall, Mason
    Abstract:
    This dissertation explores the structural dynamics of human understanding and particularly the concept of meaning and its connections to concepts of ultimate ground, necessity and contingency, language, and perception. It focuses on the history of the concept of meaning in early twentieth-century European physics and philosophy, through an analysis of...
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    Dissertation
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    and discussing philosophy and science immensely since I moved to Portland. And Gary Ferngren

  • The economic consequences of divorce in Oregon after ten or more years of marriage

    Creator:
    Rowe, Barbara R.
    Abstract:
    The financial aspects of divorce are of great importance to the growing numbers of men, women, and children who live with the consequences of economic decisions made at dissolution. The purpose of this study was to provide data on the economic aspects of divorce in Oregon after ten or more...
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    appreciation to my graduate committee: Dr. Arthur Gravatt, Dr. Gary Tiedeman, Dr. Patricia Wells, and former