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Filtering by: Committee Member Brooks, R. H. Remove constraint Committee Member: Brooks, R. H. Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School

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  • Refractory metals processing waste utilization on Dayton silty clay loam soil

    Creator:
    Polson, Richard Lewis
    Abstract:
    Waste products from industry have often been disposed in landfills without regard for any beneficial uses of the product in agricultural production. This research was conducted to determine the effect of a refractory metal processing waste product on (a) soil chemical and physical properties, (b) perennial ryegrass forage quality and...
    Resource Type:
    Masters Thesis
    Full Text:
    Redacted for Privacy Dean of Grad Ate Scholl Date thesis is presented o?.3- /f 7 r Typed by Clover

  • Measurement and interpretation of physical properties of soils

    Creator:
    Nagpal, Narender Kumar, 1942-
    Abstract:
    One of many important physical properties that must be known to understand transport phenomena in soils is pore size distribution. Presently the pore size distributions of soils are most commonly obtained from soil water characteristic curves. The soil water characteristic curves are usually obtained by the pressure plate technique. It...
    Resource Type:
    Dissertation
    Full Text:
    . D. Dawson, Doctor W. P. Lowry and Doctor R. H. Brooks for acting as members of my Graduate

  • Experimental analysis of subsurface heating and irrigation on the temperature and water content of soils

    Creator:
    Sepaskhah, Ali Reza
    Abstract:
    Multiple use of waste heat from power plants may become an important consideration in the development, siting, and certification of these plants. A multiple use system of components that can beneficially utilize waste heat may include home heating and cooling, greenhouses, animal enclosures, open basins for single cell protein production...
    Resource Type:
    Dissertation
    Full Text:
    . = "shape factor, " cm-1. h = distance from soil surface to the heat source, cm. I = electrical current

  • On the Imaging of Rip Currents in X-band Radar

    Creator:
    Kloster, Rebecca
    Abstract:
    Rip currents pose a serious danger to visitors of bathing beaches; they are also an important process in surf zone circulation. Haller et al. [2014] demonstrated that shore-based X-band radar can be used to compliment in situ measurements of rip currents. However, little is known of the underlying radar imaging...
    Resource Type:
    Masters Thesis
    Full Text:
    , Tuba Özkan-Haller, Dan Cox, and Ed Brook, for their feedback. Last, I would like to thank the

  • Deep-sea sediment paleomagnetism : a case study from the North Atlantic

    Creator:
    Strano, Sarah Elianna
    Abstract:
    Sedimentary records from the North Atlantic, instrumental in the development of modern paleo-geomagnetic concepts, show a highly variable field even during times of constant polarity. Yet, our understanding of how the magnetization is acquired in the sediments is poorly understood. Primary magnetizations preserved in deep-sea sediments are known to be...
    Resource Type:
    Dissertation
    Full Text:
    Ozkan-Haller, Edward Brook, without whom I would not be defending my dissertation today. They are

  • The behavior of economic agents and market performance

    Creator:
    Gokhale, Jayendra
    Abstract:
    This dissertation addresses issues concerning the behavior of firms, which has significant effects on performance. In the first study, we empirically investigate the effect of the reduction in number of firms on price competition in the U.S. macro-brewing industry. The number of macro brewing firms decreased from 766 in 1935...
    Resource Type:
    Dissertation
    Full Text:
    ( R ea l 1 98 2 D ol la rs ) Year An-Bu Coors Miller Pabst 27 Figure 2.3 Mean Relative

  • Quantifying the Unproductive Water Lost as Evaporation from Different Irrigation Designs by Analysis of the Soil Stable Water Isotope Compositions

    Creator:
    Al-Oqaili, Firas M.
    Abstract:
    The knowledge about the intensive agricultural irrigation is very limited, but the use of irrigation is rapidly increasing. As an outcome, the sympathetic ecosystem is accepting modern irrigation that will play an essential function in the present and future for agricultural products. My dissertation will display the modification for investigation...
    Resource Type:
    Dissertation
    Full Text:
    values of δ18O and δ2H for all soil samples at the LESA and MESA in the 2017 of the four-study sites and

  • Approaches for Characterizing Plant Physiological Responses to Environmental Stress

    Creator:
    Marias, Danielle E.
    Abstract:
    It is uncertain how predicted changes in climate will impact vegetation responses and plant species’ distributions because the physiological mechanisms underlying thresholds for damage are not well understood, and responses to stress vary by functional type and developmental stage. Thus, it is crucial to investigate physiological responses to heat and...
    Resource Type:
    Dissertation
    Full Text:
    participated in the experimental design, data analyses, and writing of the manuscript. David R. Woodruff and

  • Teacher Candidates' Noticing of Instructional Features in the Context of an Ambitious Mathematics Teacher Education Program

    Creator:
    Maluangnont, Sasiwan
    Abstract:
    Teacher noticing is a necessary skill in order for teachers to elicit and respond to their students' mathematical ideas and support the ambitious learning goals of school mathematics. The purpose of this dissertation is to investigate what teacher candidates noticed about their teaching as they were provided supports and opportunities...
    Resource Type:
    Dissertation
    Full Text:
    Appendix H: Frequencies and Percentages of Idea Units Associated with Different Instructional Features in

  • Physiology of senescence of the shoot apex in Pisum sativum L.

    Creator:
    Ecklund, Paul Richard, 1941-
    Abstract:
    Shoot apex senescence is defined as the collective progressive and deteriorative processes which ultimately terminate the functional life of the shoot apex. Senescence of shoot apices of Pisum sativum L. 'Alaska' as measured by cessation of stem elongation was delayed by removal of flowers and by treatment with gibberellin A₃...
    Resource Type:
    Dissertation
    Full Text:
    also expressed to Drs. H. J. Evans, F. H. Smith and R. R. Becker for their service on my committee