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  • Effect of jumping on growing bones : forces during different landings

    Creator:
    Black, Bradley A.
    Abstract:
    In order to develop a stimulating yet effective school-based program which elicits a positive bone growth response, we need to understand the forces acting on the bones of children during various high-impact activities. One activity found to promote bone growth is drop landings from a height. We determined whether there...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Bradley A. Black for the degree of

  • Recreational Boating on the Mid-Columbia River (St. Helens to the Dalles): Planning for a Network of Public Transient Tie-Up Facilities

    Creator:
    Burr, Susan
    Abstract:
    This study is the second of a three-part project to determine potential locations for public transient tie-up facilities along the Columbia River. The goal of the three studies is to identify opportunities for developing a network of facilities, which will enable recreational boaters to safely traverse Oregon's portion of the...
    Resource Type:
    Capstone Project
    Full Text:
    provide facilities for day-use by boaters with small watercraft. Priority A and B designations are to

  • Interactive choropleth mapping using high resolution color graphics

    Creator:
    Spielman, Julie B.
    Abstract:
    A program, Color Choropleth Mapping System (CCMS), has been developed to provide high quality color choropleth maps at the Geography Department at Oregon State University. The program operates interactively and is menu-driven. When developing the software for mapping programs, programmers need to be aware of cartographic theory, as well as...
    Resource Type:
    Capstone Project
    Full Text:
    GRAPHICS by Julie B. Spielman A RESEARCH PAPER submitted to THE DEPARTMENT OF GEOGRAPHY in partial

  • Convergent margin magmatism in the central Andes and its near antipodes in western Indonesia : spatiotemporal and geochemical considerations

    Creator:
    Salisbury, Morgan J.
    Abstract:
    This dissertation combines volcanological research of three convergent continental margins. Chapters 1 and 5 are general introductions and conclusions, respectively. Chapter 2 examines the spatiotemporal development of the Altiplano-Puna volcanic complex in the Lípez region of southwest Bolivia, a locus of a major Neogene ignimbrite flare- up, yet the least...
    Resource Type:
    Dissertation
    Full Text:
    .. .................................................. 105 Figure 4.7 Plagioclase sizes plotted against a) FeO*; b) An content

  • Role of Cartilage and Bone Matrix Regulation in Early Equine Osteochondrosis

    Creator:
    Grissom, Stephanie K.
    Abstract:
    Osteochondrosis (OC) results from disruption of the normal endochondral ossification process during articular cartilage and epiphyseal bone growth. Previous studies have revealed that cartilage canals are often associated with early OC lesions, especially along the ossification front. In early OC, extracellular matrix signaling pathways are expected to be altered, as...
    Resource Type:
    Masters Thesis
    Full Text:
    considered a transitional cell type that may become either type A or type B (van Weeren and Brama, 2001

  • Why Anchor Forests? Exploring a Conceptual Framework for Tribal Leadership in Cross-boundary Forest Governance

    Creator:
    Jacobson, Meredith A.
    Abstract:
    In response to the increasing pace and scale of wildfire and forest health challenges, the Intertribal Timber Council (ITC) proposed the creation of “Anchor Forests,” where a tribe would convene surrounding landowners to collaboratively manage the entire landscape, across property boundaries. This emergent concept has sparked conversation but has not...
    Resource Type:
    Masters Thesis
    Full Text:
    . Title: Why Anchor Forests? Exploring a Conceptual Framework for Tribal Leadership in Cross- boundary

  • Investigations into the effects of a vibrating meniscus on the characteristics of drop formation

    Creator:
    Lewis, Kevin T.
    Abstract:
    As drop-on-demand (DOD) applications continue to gain ground in desktop inkjet-printing, 3D printing, fluid mixing, and other areas the demand for higher frequency operations are beginning to push against the current physical boundaries in DOD technology. The current research is exploring the possibility of controlling drop volume and velocity at...
    Resource Type:
    Masters Thesis
    Full Text:
    . 1997; Burr et al. 1996). When discussing the physical parts of a drop generator, there are a few key

  • A study of the characteristics of oscillatory surface instabilities leading to droplet formation

    Creator:
    Daniels, Brian J.
    Abstract:
    The characteristics of the free surface in an orifice driven by a periodic forcing function have been studied both theoretically and experimentally. In the theoretical study, two wall boundary condition cases were examined: 1) the radial velocity at the wall of the orifice is zero; and 2) the axial velocity...
    Resource Type:
    Masters Thesis
    Full Text:
    ..................................................................................................... 98 A. Detail Drawings of Droplet Ejector ............................................. 99 B. Sample

  • Spatial and temporal scales of genetic change in two overfished rockfishes

    Creator:
    Gomez-Uchida, Daniel
    Abstract:
    Pacific rockfishes (genus Sebastes) have attracted wide scientific and public interest from an evolutionary, fishery and conservation standpoints. This dissertation addresses several hypotheses involving spatial and temporal scales of genetic change in two overfished rockfishes, darkblotched (S. crameri) and canary rockfish (S. pinniger), using statistical analyses of genetic variation within...
    Resource Type:
    Dissertation
    Full Text:
    determined using a Mantel test implemented in GENETIX. The slope (b) from the regression between FST /(1

  • Habitat quality and biotic integrity in mountain streams of East Maui, Hawaii

    Creator:
    Carter, H. Jamieson
    Abstract:
    Hawaiian streams are valued for environmental, cultural, and aesthetic qualities. Windward streams in East Maui, Hawaii are diverted to irrigate crops in central portions of the island. Diversions typically remove 100% of the base flow and leave downstream reaches dry most of the year. Ground water seeps and springs contribute...
    Resource Type:
    Capstone Project
    Full Text:
    revealed a general positive correlation between habitat quality and biotic integrity (Figure 3, Appendix B