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  • Development of nickel aluminide (NiAl) microchannel array devices for high-temperature applications

    Creator:
    Kanlayasiri, Kannachai
    Abstract:
    The miniaturization of Microtechnology-based Energy, Chemical and Biological Systems (MECS) is made possible by the use of high aspect ratio microchannel arrays to increase the surface-area-to-volume ratio of the flow conduits within the devices, resulting in an improvement in the heat and mass transfer performance of the devices. However, advantages...
    Resource Type:
    Dissertation
    Full Text:
    that bonding time and temperature had significant effects on warpage of the fin. The fin warpage

  • Physicochemical and microbiological characteristics of surimi seafood under thermal and E-beam processing

    Creator:
    Jaczynski, Jacek
    Abstract:
    Effects of thermal and electron beam (e-beam) processing on microbial inactivation and physichochemical properties of surimi and surimi seafood were investigated. Thermal-death-time (TDT) concept was used to model Staphylococcus aureus inactivation by heat and e-beam. Gurney-Lurie charts were used to estimate temperature during thermal processing of surimi seafood. Dose mapping...
    Resource Type:
    Dissertation
    Full Text:
    Temperature effect on inactivation of S. aureus by E-beam 92 4.6 Predictive model for dose absorbed of one

  • Characterization of rheological properties and thermal stability of fish myofibrillar proteins

    Creator:
    Esturk, Okan
    Abstract:
    Effects of moisture content, pH, and salt concentration on dynamic rheological properties and gel fracture quality of Pacific whiting surimi were investigated. Torsion tests showed that shear stress decreased rapidly and strain values decreased gradually as moisture concentration increased. As pH increased, fracture shear stress and strain values increased, whereas...
    Resource Type:
    Dissertation
    Full Text:
    ............................................................................... 94 5.4.3. Effect of chopping temperature on fracture properties ............ 96 5.4.4. Effect of

  • Influences of Human Activity on Stream Temperatures and Existence of Cold-Water Fish in Streams with Elevated Temperature: Report of a Workshop

    Creator:
    Independent Multidisciplinary Science Team (Or.)
    Abstract:
    The Independent Multidisciplinary Science Team (IMST) convened a panel of experts on stream temperature and fish ecology in Corvallis, Oregon on October 5-6, 2000 for a scientific workshop on human influences on stream temperature and responses by salmonids. The workshop was designed to review and discuss scientifically credible data and...
    Resource Type:
    Technical Report
    Full Text:
    workshop that we conducted on influences of human activities on stream temperature and the existence of

  • The effects of elevated temperature and stress on immune function in juvenile chinook salmon (Oncorhynchus tshawytscha)

    Creator:
    Harrahy, Laura Nicole Martini
    Abstract:
    Stress, including extreme or rapidly changing temperatures, are known to have deleterious effects on fish health and physiology. This thesis examines the combined effects of elevated acclimation temperature and acute handling stress on the number of antibody producing cells, plasma lysozyme concentrations, and the number of pronephric leukocytes in juvenile...
    Resource Type:
    Masters Thesis
    Full Text:
    The effects of elevated temperature and stress on immune

  • Assessing the impact of temperature on grape phenolic metabolism

    Creator:
    Cohen, Seth D.
    Abstract:
    Many climatic factors influence grape berry composition including nutrient status, water availability, biotic stress, sun exposure and temperature. Previous research examined the effects of many factors listed above and much progress has been made. It is often difficult, however, to separate effects that typically confound each other, such as sun...
    Resource Type:
    Masters Thesis
    Full Text:
    temperature on phenolic metabolism in grapes (‘Merlot’) growing in an established vineyard. The effect of

  • Heterogeneous thermal habitat for northeast Oregon stream fishes

    Creator:
    Ebersole, Joseph L.
    Abstract:
    Discrete coldwater patches within warm streams provide potential thermal refuge for coldwater fishes during periods of heat stress. This analysis focused on heterogeneity in stream water temperatures as influenced by local influx of cooler subsurface waters. Using field thermal probes and recording thermistors, we identified and characterized coldwater patches potentially...
    Resource Type:
    Dissertation
    Full Text:
    structured to address the potential influence of water temperature patterns on salmonid abundance

  • Theory of negative thermal expansion

    Creator:
    Tao, Ju Zhou
    Abstract:
    Two framework oxide materials of the MO₃ network type have been synthesized and structurally characterized by synchrotron and X-ray powder diffraction and the Rietveld method in the temperature range 25~500 K. The results show one of them to be a low thermal expansion material. Theoretical studies of negative thermal expansion...
    Resource Type:
    Dissertation
    Full Text:
    . Dependence of atom mean square thermal displacements on temperature. 41 2.6. A 2-D tile network

  • Metallurgy and superconductivity of niobium-titanium-tantalum ternary alloy systems

    Creator:
    Li, Na
    Abstract:
    The metallurgy and superconductivity of the Nb-Ti-Ta ternary alloy system were studied. The Nb-Ti, and Ta-Ti binary samples, and Nb-Ti-Ta ternary samples were precipitation heat treated under different schedules. After the precipitating heat treatment, the samples were characterized by X-Ray Diffraction (XRD) techniques. Equilibrium binary and ternary phase diagrams based...
    Resource Type:
    Masters Thesis
    Full Text:
    time or temperature can have a significant effect on critical temperature. The Tc of a variety of

  • Freeze-thaw durability of reinforced concrete deck girders strengthened for shear with surface-bonded carbon fiber-reinforced polymer

    Creator:
    Mitchell, Mikal Maxwell
    Abstract:
    Long-term durability of surface-bonded carbon fiber-reinforced polymer (CFRP) U-wraps for shear strengthening of reinforced concrete (RC) bridge members remains uncertain due to the limited field experience with these materials. This paper provides experimental results from the testing of full-scale RC bridge girder specimens after exposure to prolonged freeze-thaw cycling. CFRP...
    Resource Type:
    Masters Thesis
    Full Text:
    deleterious effect on the bond properties. ACI-440 Section 8.3.1 also describes the thermal response of