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  • A Direction-Sensitive Radiation Detector for Low-Altitude, UAV-based Radiological Source Search

    Creator:
    Becker, Eric M. (Eric Matthew)
    Abstract:
    Many devices and methods for radiological searches are currently being developed, including scanning using simple detectors, mapping using large-volume detectors, and Compton imaging using 3-D position sensitive detectors. However, these devices are typically expensive and the methods used require long periods of time to generate a direction or location. The...
    Resource Type:
    Dissertation
    Full Text:
    , UAV-based AN ABSTRACT OF THE DISSERTATION OF Eric M. Becker for the degree of Doctor of

  • Gender differences in the perceptions of sexual abuse

    Creator:
    Sandras, Eric
    Abstract:
    The purpose of this study is to explore gender differences in adult perceptions of sexual abuse encounters between an adult male and children of both genders and of various ages. Subjects were four hundred and fifty three students from a northwestern university. They were recruited from a lower-level human development...
    Resource Type:
    Dissertation
    Full Text:
    ABSTRACT OF THE DISSERTATION OF Eric W. Sandras for the degree of Doctor of Philosophy in Human

  • Provenance, lifespan, and phylogeny : testing a conceptual framework for plant community management

    Creator:
    Benfield, Cara D.
    Abstract:
    Successful conservation management requires an understanding of how species respond to intervention. Native and exotic species may respond differently to management interventions due to differences arising directly from their native or exotic origin (i.e., provenance) or from differences in life-history or phylogenetic lineage that are associated with provenance. Thus, selection...
    Resource Type:
    Masters Thesis
    Full Text:
    Abstract approved: Elizabeth T. Borer Eric W. Seabloom Successful conservation management

  • A revision of the North American species of Pactopus Leconte and Trixagus Kugelann (Coleoptera: Throscidae)

    Creator:
    Yensen, Arthur Eric
    Abstract:
    This study was undertaken to find means of separating the morphologically similar species of North American Trixagus and to bring together information on Trixagus and Pactopus. A key to separate the world's eight genera of extant Throscidae is presented for the first time. A key to the five species of...
    Resource Type:
    Masters Thesis
    Full Text:
    Leconte and Trixagus Kugelann (Coleoptera: Throscidae) AN ABSTRACT OF THE THESIS OF ARTHUR ERIC YENSEN

  • Theory of Inhomogeneous Fluids

    Creator:
    Krebs, Eric J.
    Abstract:
    This dissertation reports on the computational physics research in the area of inhomogeneous fluids. I first discuss the theory background for this work beginning with water, which is important for the two published articles that are presented in this work (Chapters 5 and 6). Next, I give a brief overview...
    Resource Type:
    Dissertation
    Full Text:
    DISSERTATION OF Eric J. Krebs for the degree of Doctor of Philosophy in Physics presented on August 26, 2015

  • A preliminary investigation of the spotted owl in Oregon

    Creator:
    Forsman, Eric D.
    Abstract:
    Between 1970 and 1974, data were collected on the distribution and biology of the spotted owl (Strix occidentalis) in Oregon. One-hundred and sixteen pairs and seven single birds were located. Spotted owls occurred throughout the mountains of western Oregon and on the east slope of the Cascade Range at least...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF ERIC FORSMAN for the

  • Hydroxyindole-O-methyltransferase (HIOMT) activity in the pineal of chinook salmon (Oncorhynchus tshawytscha)

    Creator:
    Birks, Eric K.
    Abstract:
    C-methyltransferase (HIOMT) in chinook salmon (Oncorhynchus tshawytscha). Various body tissues, as well as several morphological brain divisions were tested for the presence of HIOMT. Activity was found in the retina, the dorsal portion of the diencephalon, and in the pineal gland of chinook. However, the activity was significantly higher in...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF ERIC K. BIRKS for the degree

  • Estimation of Population Age Structure, Detection Probability, and Density of Red Tree Voles in Oregon

    Creator:
    Marks-Fife, Chad A.
    Abstract:
    Red tree voles (Arborimus longicaudus) are a unique species of Arvicoline rodent found in western Oregon and northwest California. Their preferred habitat is mature and old-growth coniferous forest dominated by Douglas-fir (Pseudotsuga menziesii). Tree voles are an important prey item for northern spotted owls and many other predators, but are...
    Resource Type:
    Masters Thesis
    Full Text:
    . Abstract approved: ___________________________________________________ Katie M. Dugger Eric Forsman

  • Some impacts of tourism based growth in a small town : a case study of Sisters, Oregon

    Creator:
    Brandt, Eric H.
    Abstract:
    While many small towns today find themselves struggling in the face of economic stagnation or decline, others must deal with rapid growth and the threat it poses to their valued quality of life. The small central Oregon town of Sisters offers an example of a town whose previously declining economy...
    Resource Type:
    Capstone Project
    Full Text:
    : A CASE STUDY OF SISTERS, OREGON by ERIC H. BRANDT A RESEARCH PAPER Submitted to THE DEPARTMENT

  • College Instructor Preparation : Enough to Feel Comfortable?

    Creator:
    Fleming, Eric
    Abstract:
    Over several decades, much attention has been paid to the preparation of K-12 teachers. More recently, the body of literature on graduate teaching assistants' preparation for teaching has begun to increase. Since many graduate teaching assistants are hired as community college and university instructors, it is important to understand how...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Eric