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  • Predictions and Practices for Reducing Heat Damage in Northern Highbush Blueberry (Vaccinium corymbosum L.)

    Creator:
    Yang, Fan-Hsuan
    Abstract:
    Heat-related fruit damage is a common problem in the northern highbush blueberry (Vaccinium corymbosum L). This is particularly true in regions such as the northwestern United States, where summers are warm and dry, and daytime temperature regularly exceeds 32 oC. Millions of dollars of fruit damage are reported in blueberries...
    Resource Type:
    Dissertation
    Full Text:
    : Predictions and Practices for Reducing Heat Damage in Northern Highbush Blueberry (Vaccinium corymbosum L

  • An investigation of tenth grade students' views of the purpose of geometric proof

    Creator:
    Gfeller, Mary Katherine
    Abstract:
    The purpose of this investigation was to describe tenth grade students' views of the purposes of geometric proof within the context of their learning. Classroom observations, the curriculum, assessment tools, journal questions, and a preconceptions questionnaire were used to provide context for the views expressed by students from a single...
    Resource Type:
    Dissertation
    Full Text:
    Investigation of Tenth Grade Students' Views of the Purposes of Geometric Proof Abstract approved: Margaret L

  • An Exploratory Study of Mathematics Disciplinary Practices in Advanced Mathematics

    Creator:
    Glover, Erin D.
    Abstract:
    Policy and research have increased attention in K12 mathematics education on core mathematical practices such as argumentation, justification, and proof, that are central to students learning and doing mathematics. One reason for this increased focus is the empirical evidence that engaging students in mathematical practices provide more equitable opportunities for...
    Resource Type:
    Dissertation
    Full Text:
    : ___________________________________________________________ Rebekah L. Elliott Policy and research have increased attention in K12

  • Effects of Intranasal Oxytocin on Attachment in Pet Dogs (Canis lupus familiaris)

    Creator:
    Thielke, Lauren E.
    Abstract:
    The present study explored the effects of intranasal oxytocin (OT), a naturally occurring hormone, on the behavior of pet dogs in an attachment test. Each dog participated in two testing sessions. On one visit saline was administered nasally and on another OT was administered nasally. Condition order was counterbalanced. Following...
    Resource Type:
    Masters Thesis
    Full Text:
    : ______________________________________________________ Monique A. R. Udell The present study explored the effects of intranasal oxytocin (OT

  • Proximate Factors Influencing Cat Behavior, Cognition, and The Human-Cat Bond

    Creator:
    Vitale, Kristyn R.
    Abstract:
    The domestic cat is one of the world’s most popular companion animals. However, to date much remains to be learned about cat behavior and the cat-human relationship. To examine the influence of proximate factors on cat behavior and the human-cat bond, three studies were undertaken. Study 1 directly measured the...
    Resource Type:
    Dissertation
    Full Text:
    DISSERTATION OF Kristyn R. Vitale for the degree of Doctor of Philosophy in Animal Science presented on June

  • Macro Stories: Policy Process Dynamics of Presidential Environmental Ideas

    Creator:
    Peterson, Holly L.
    Abstract:
    Public policy narratives and stories are often referenced by the media, politicians, advocacy groups, and across many disciplines in academia. Studies of social and political narratives support the notion narrative matters, but often lack systematic design capable of producing generalizable findings. The Narrative Policy Framework (NPF) has responded to this...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE DISSERTATION OF Holly L. Peterson for the degree of Doctor of Philosophy in

  • Mechanical Design for Robot Locomotion

    Creator:
    Abate, Andrew M.
    Abstract:
    Robotic limbs have been shown to enable mobility in unstructured, real-world terrain; they allow robots to step around cluttered environments, scramble up hills, carry heavy loads, and even perform acrobatics. However, mechanical limbs cannot operate as a means for such dynamic locomotion if they are simply treated as general articulated...
    Resource Type:
    Dissertation
    Full Text:
    Ross L. Hatton Robotic limbs have been shown to enable mobility in unstructured, real-world terrain

  • Generation of full-length cDNA clone and functional analysis of leader proteases of grapevine leafroll-associated virus-2

    Creator:
    Liu, Yu-Ping
    Abstract:
    Papain-like leader proteases are found in diverse families of human, animal, plant, and fungal positive-strand RNA viruses. In addition to autocatalytic processing, these proteases play a variety of roles in the virus life cycle. In particular, the leader protease (L-Pro) of a prototype member of the Closterovirus genus, Beet yellows...
    Resource Type:
    Dissertation
    Full Text:
    proteases play a variety of roles in the virus life cycle. In particular, the leader protease (L-Pro) of a

  • Animal Pointing: Changing Trends and Findings From 30 Years of Research

    Creator:
    Krause, Mark A., Udell, Monique A. R., Leavens, David A., and Skopos, Lyra
    Abstract:
    The past 30 years have witnessed a continued and growing interest in the production and comprehension of manual pointing gestures in nonhuman animals. Captive primates with diverse rearing histories have shown evidence of both pointing production and comprehension, though there certainly are individual and species differences, as well as substantive...
    Resource Type:
    Article
    Full Text:
    of Research Mark A. Krause Southern Oregon University Monique A. R. Udell Oregon State University

  • Acetylene Inhibition of Azotobacter vinelandii Hydrogenase: Acetylene Binds Tightly to the Large Subunit

    Creator:
    Sun, Jin-Hua, Hyman, Michael R., and Arp, Daniel J.
    Abstract:
    Acetylene is a slow-binding inhibitor of the Ni- and Fe-containing dimeric hydrogenase isolated from Azotobacter vinelandii. Acetylene was released from hydrogenase during the recovery from inhibition. This indicates that no transformation of acetylene to another compound occurred as a result of the interaction with hydrogenase. However, the release of C2H2...
    Resource Type:
    Article
    Full Text:
    , K. L. (1989) Biochem. Biophys. Res. Commun. 162, 422-426. Birkett, C. R., Foster, K. E., Johnson