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  • Mass transfer of urea, creatinine and vitamin B-12 in a microchannel based membrane separation unit

    Creator:
    Warner-Tuhy, Alana
    Abstract:
    Micro energy and chemical systems (MECS) are microfluidic systems where energy and chemical processes can be intensified by decreasing the characteristic length. This project focused on bulk fluid processing using MECS technology to intensify the mass transport of a dialyzer. The objective of this project was to design a model...
    Resource Type:
    Masters Thesis
    Full Text:
    pressure offset . . . . . . . 58 6.4 Experimental and model fractional removal of urea in the phase III

  • A wideband low-power continuous-time delta-sigma modulator for next generation wireless applications

    Creator:
    Chen, Xuefeng
    Abstract:
    Delta-Sigma (ΔΣ) analog-to-digital converters (ADCs) are widely used in wireless transceivers. Recently, continuous-time (CT) ΔΣ ADCs gain growing interest in wireless applications for their lower power consumption and wider input bandwidth as compared with the discrete-time (DT) counterparts. In this thesis, a wideband low-power CT ΔΣ modulator for next generation...
    Resource Type:
    Dissertation
    Full Text:
    ………………………………………………………54 5.3. Noise Budget………………………………………………………………………...58 5.4. System Level Simulation

  • Pharmacokinetic/pharmacodynamic modeling/simulation and novel gastric retention formulation

    Creator:
    Kwon, Hyojong
    Abstract:
    This dissertation describes formulation of a gastric retention device (GRD) and sustained release (SR) hydrochlorothiazide beads at Oregon State University. Formulation condition and amounts of excipients had significant influence on characteristic of the GRD. The GRD containing SR hydrochlorothiazide beads was employed to assess bioavailability/bioequivalency study in healthy subjects. An...
    Resource Type:
    Dissertation

  • Unsaturated Soils and Foundation Design : Theoretical Considerations for an Effective Stress Framework

    Creator:
    Baker, Josiah D.
    Abstract:
    This study presents the theoretical background necessary to model the bearing capacity of shallow and deep foundations in partially saturated soils. The conventional bearing capacity equations for shallow and deep foundations and the 𝛽-method for deep foundation side resistance have been modified to include the effects of matric suction and...
    Resource Type:
    Masters Thesis
    Full Text:
    ....................................................................................................58 LIST OF FIGURES (CONTINUED) Figure Page Figure 4-3. Measured

  • Applications of the thermal wave technique in liquid thermal conductivity measurements and flow field diagnostics

    Creator:
    Wang, Zhefu
    Abstract:
    The thermal wave technique has been explored for the use of liquid thermal conductivity measurement and flow property diagnostics in this dissertation. For liquid thermal conductivity measurements, an experimental technique based on the thermal wave approach is developed. A stainless steel strip functions as both a heating element and a...
    Resource Type:
    Dissertation
    Full Text:
    …………………………………………58 4.8: Waveform of the temperature signal……………..…………………………….60 4.9: Normalized temperature

  • Developmental neurobehavioral toxicity of bisphenol A in zebrafish (Danio rerio)

    Creator:
    Saili, Katerine Schletz
    Abstract:
    Billions of pounds of bisphenol A (BPA) are produced annually around the globe for the manufacture of numerous consumer products, including polycarbonate food and water containers, the protective resin linings of food cans, thermal printing paper, and dental fillings. BPA exposure during nervous system development has been associated with learning...
    Resource Type:
    Dissertation

  • Geographic distributions of prey of the northern spotted owl in the central western Cascades, Oregon, 1988-2009

    Creator:
    Smoluk, Alexis
    Abstract:
    Spatial variation in the diet of the northern spotted owl (Strix occidentalis caurina) influences owl home ranges, and understanding this relationship will aid managers in forest management prescriptions that influence spotted owl recovery. This study describes the spatial variation in owl diet based on 4183 prey collected at 114 owl...
    Resource Type:
    Masters Thesis
    Full Text:
    . ................................................................................................................................ 58 Appendix E: Annual Spotted Owl Pair Densities

  • Numerical study of flow maldistribution in microchannels using fully resolved simulation

    Creator:
    Martin, Mathieu Georges Charles
    Abstract:
    This thesis addresses numerical simulation of flow maldistribution in microchannels. Microchannels are often associated with two phase-flows which can generate many problems such as plugging the channel or perturbing the flow. In this study we have used CFD and fully resolved technique to simulate what would happen in the case...
    Resource Type:
    Masters Thesis
    Full Text:
    . . . . . . . . 57 4.18 Flow equalization results. . . . . . . . . . . . . . . . . . . . . . . . . 58 5.1 MPC

  • Shocks and Awe : Damping Selection in Racecars to Maximize Grip

    Creator:
    Takaro, Trevor M. F.
    Abstract:
    This thesis covers the use of a quarter car model to select damping rates for aFormula Student (FS) car, focusing on minimizing vertical tire force variation to improvegrip. A 2 degree of freedom (DOF) quarter car model is cycled over the road frequenciesof interest and the results compared with the...
    Resource Type:
    Masters Thesis
    Full Text:
    the use of a quarter car model to select damping rates for a Formula Student (FS) car, focusing on

  • Practical application of steady-state 6-DoF aerodynamic model for vehicle system loads analysis

    Creator:
    Torris, Connor J.
    Abstract:
    This work develops the Global Formula Racing computational fluid dynamics (CFD) model in StarCCM+ to allow for vehicle attitude studies to be ran to evaluate Formula Student (FS) vehicle aerodynamic loads. Attitudes that this model allows to be studied include roll, pitch, yaw, heave, tire angle, and vehicle speed. The...
    Resource Type:
    Masters Thesis
    Full Text:
    allow for vehicle attitude studies to be ran to evaluate Formula Student (FS) vehicle aerodynamic