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  • It’s in Their Bones: Ecological Drivers of Kemp’s Ridley Sea Turtle (Lepidochelys kempii) Somatic Growth and Population Dynamics

    Creator:
    Ramirez, Matthew D.
    Abstract:
    Somatic growth variation manifests from the cumulative effects of a suite of biological, ecological, and environmental processes and can have profound effects on individual fitness and species population dynamics. As ectotherms whose growth dynamics are greatly influenced by environmental factors, sea turtles display considerable variation in somatic growth within and...
    Resource Type:
    Dissertation

  • Bioprospecting the Chemical Diversity of Plant-associated Fungi

    Creator:
    González-Montiel, Gisela Abigail
    Abstract:
    Fungi have long been used for discovery of new chemical scaffolds. In the clinical setting, the fungal natural products penicillin, statins, and cyclosporine have revolutionized medicine to treat diseases and infections. In the environment, fungal natural products have been used as herbicides, fungicides, and insecticides to protect crops, livestock, and...
    Resource Type:
    Masters Thesis
    Full Text:
    -Montiel for the degree of Master of Science in Chemistry presented on July 11, 2019. Title

  • An analysis of core uncovery in the APEX test facility

    Creator:
    Rusher, Christopher deCastrique
    Abstract:
    The Department of Nuclear Engineering at Oregon State University has performed a series of confirmatory tests for the United States Nuclear Regulatory Commission (USNRC). These tests have been conducted in the Advanced Plant Experiment (APEX) Facility which is a one quarter height scaled simulation of the Westinghouse Advanced Passive 600...
    Resource Type:
    Masters Thesis
    Full Text:
    . General 3D representation of the APEX facility. 11 Figure 3-2. General representation of key

  • Microbial alteration of the seafloor

    Creator:
    Josef, Jennifer A.
    Abstract:
    In the early 1980's the first evidence of biological alteration of basalt glass (sideromelane) was published. Since that time additional evidence, including DNA staining, isotopic abundance and chemical mapping, has come to light suggesting that this unique alteration of glass can be attributed to microbial activity. Microbial alteration textures have...
    Resource Type:
    Masters Thesis
    Full Text:
    ..................................................................... 8 2. Figure 2. Light Photomicrograph of ODP 706C-5R-2,100-102 .......... 11 3. Figure 3. DSDP

  • A regional computable general equilibrium model with applications for the Pacific Northwest

    Creator:
    Zheng, Xiaojuan
    Abstract:
    Many important policy problems entail linkages among multiple economic sectors, and require the use of a general equilibrium economic modeling framework. This economic approach is appropriate when the market for any one good or service is linked to numerous other goods and services, and back to fundamental inputs such as...
    Resource Type:
    Dissertation
    Full Text:
    ........................................................................................................... 47 Table 11. The SAM for Biofuel Sectors (in millions of 2011 dollars) ......................... 49

  • Advancing Power Grid Computing: Analysis and Synthesis of Wide-Area Data, Distributed Real-Time Hardware-In-the-Loop Simulations, and Machine Learning for Event Detection

    Creator:
    Hagan, Travis
    Abstract:
    Global Positioning Systems have allowed for precise timing of power system measurements over wide areas. This newly found capability has the potential to provide much greater insight into the operation of the power system and its response to contingencies, but few analytical techniques currently exist that provide enough robustness and...
    Resource Type:
    Dissertation

  • Marking, movement, and management of Drosophila suzukii in Oregon berry crops

    Creator:
    Klick, Jimmy
    Abstract:
    Drosophila suzukii Matsumura (Diptera: Drosophilidae) are small invasive flies that in the past five years (2009-2014) invaded berry and stone fruit production regions in Europe and the Americas. Evolutionary adaptations, biological traits, and anthropogenic factors have contributed to its current status as a global pest. Females oviposit eggs into ripe...
    Resource Type:
    Dissertation
    Full Text:
    propped open, causing uncontrolled release of calcium ions, which can lead to muscle 11

  • Electronic Conduction Mechanisms in Insulators

    Creator:
    Chiang, Tsung-Han
    Abstract:
    The research presented herein focuses on electrical assessment of oxide thin films as insulators. The current density-electric field (J-E) characteristics of four insulators of dramatically different electrical quality are assessed in terms of their operative electronic conduction mechanisms. Conduction in the two high-quality insulators is dominated by Ohmic conduction and...
    Resource Type:
    Dissertation
    Full Text:
    estimated from conduction mecha- nism fitting of log(J) − ξ curves for 350, 500, or 600 ◦C forming gas (FG

  • Spatial and temporal variations in respiration rates and hypoxia on the Oregon shelf

    Creator:
    Wolf, Megan J.
    Abstract:
    Inner shelf hypoxia has occurred along the Oregon coast between the latitudes 44ºN and 45ºN since 2002 with increasing duration and intensity, posing a threat to marine life. The objective of this research was to determine whether variation in respiration rate explains spatial and temporal variation in hypoxia. Dissolved oxygen...
    Resource Type:
    Honors College Thesis
    Full Text:
    ..............................................................................................................11 Comparison of Fibox and Winkler Methods.............................................11 Spatial

  • Numerical and Experimental Evaluation of Membrane Based Energy Recovery Ventilator Performance with an Internal Support Structure

    Creator:
    Armatis, Paul D.
    Abstract:
    Large amounts of energy are wasted when conditioned air in buildings is exhausted to meet ventilation requirements. There are several technologies to recover some of this energy, including the recent development of membrane based energy recovery ventilators (ERVs). ERVs exchange sensible heat and moisture between incoming fresh and outgoing exhaust...
    Resource Type:
    Masters Thesis
    Full Text:
    ............................................................... 11 Figure 3.3: Strip-fin internal geometry