Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 207 for “"Transport mechanisms"”.
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Transport mechanisms and modeling of riser reactor
… reaction characteristics in the dense-phase transport regime of riser reactors but also misinterpret the kinetic properties via ad hoc adjustments. It is noted that the modeling of hydrodynamics in riser flows has major flaws in its predictability of phase transport in both dense-phase and …
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Molybdenum Transport Mechanisms in Fresh Water Environments
Made available in DSpace on 2014-12-14T07:10:47Z (GMT). No. of bitstreams: 1 7606831.pdf: 3604401 bytes, checksum: f033ec8253c96be21456f4130a46e21f (MD5) Previous issue date: 1975
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Vertical heat transport mechanisms in lakes and reservoirs
Thesis. 1977. M.S.--Massachusetts Institute of Technology. Dept. of Civil Engineering.
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Theory of Charge and Heat Transport Mechanisms in Nanodevices
In this thesis, we pursue mechanisms in the nonequilibrium transport of charge and heat, to elucidate nanodevice operation, and explore fundamental theoretical questions. The thesis is divided into two parts. Part I explores in detail the role of incoherent effects on the charge transport behaviour …
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Blood-CNS transport mechanisms in pathophysiology and drug delivery
… the blood-CNS barriers in vivo to determine the transport of nutrients,<br/>metabolic products and drugs across these barriers, and was split into two main parts: <br/><br/>1. L-arginine and ADMA transport - Circulating levels of the cationic amino<br/>acid L-arginine and its endogenously …
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Atomic transport mechanisms in irradiated copper(3)-gold alloy
The properties of radiation-induced defects were investigated by examining the radiation-enhanced diffusion and radiation-induced order-disorder kinetics in the ordered intermetallic alloy Cu$\sb3$Au.
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Modelling of brine transport mechanisms in Antarctic sea ice
… and study of the various desalination mechanisms that are significant in aiding the salt flux into the Southern Ocean. This will foster understanding of brine rejection and how it is linked to the porous microstructure of Antarctic sea ice
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Electrical conduction transport mechanisms of barium titanate- based multilayer ceramic capacitors
… to gain a better understanding of the conduction transport mechanisms inside the devices. The experiments involved mainly leakage current versus time measurements under both low temperature-low voltage stress and high temperature-high voltage stress. It was established that leakage current …
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Investigation on Transport Mechanisms and Interfacial Properties of Solar Cells By Simulation
Understanding the charge transport mechanisms and the surface interfacial properties of polymer-based solar cells is the prerequisite to crack the working mechanisms and improve the performances of photovoltaic devices. In order to increase the power conversion efficiency of dye sensitized solar …
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Liquid transport mechanisms in cotton-polypropylene laminated nonwoven fabrics influencing pesticide penetration
… was to investigate and compare the liquid transport properties of cotton nonwoven laminates of varying cotton/polypropylene fiber content (80:20, 60:40, 40:60, by weight) with a 100% polypropylene fabric and a 100% polyethylene fabric. Capillary, pressure and impact penetration mechanisms …
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Deciphering Multidrug Efflux: Substrate Interactions and Transport Mechanisms in PatAB and NorM-VC
Multidrug efflux transporters are ubiquitously expressed in all kingdoms of life. In bacteria, they participate in several innate physiological functions to aid survival and adaptation. Given their crucial roles in conferring antimicrobial resistance (AMR), the understanding of the structural and …
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Multiscale continuum thermodynamics based modeling of transport mechanisms and starch expansion during extrusion
… of expanded biopolymers. Water, vapor and heat transport mechanisms and thermo–mechanical changes occurring inside the expanding extrudate were described using the two–scale unsaturated transport equations coupled with the poroviscoelasticity equations. The poroviscoelastic extrudate matrix …
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Two-scale modeling of transport mechanisms and quality changes during frying of foods
… change in the quality of the food products. The transport mechanisms along with complex physico-chemical processes such starch gelatinization, protein denaturation, glass transition, phase change, food matrix deformation, etc. that occur during frying govern the final quality of the product. Due …
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Understanding the transport mechanisms of BSEP to improve the prediction of DILI compounds
… transplants and hepatic failures. While several mechanisms might be responsible for idiosyncratic DILI, a broad industry-wide consensus was reached in 2016 on the importance of the liver bile salt export pump (BSEP) and the need to test for BSEP inhibition at an early stage of drug development. …
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Securing Cognitive Radios with a Policy Enforcer and Secure Inter-component Transport Mechanisms
… for them. We compare the performance of transport and security mechanisms of two commercial, off-the-shelf (COTS) Object Request Brokers. We show that the magnitude of performance degradation can be reduced by the use of a cleverly selected combination of transport and security mechanisms.
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Multiscale modeling of transport mechanisms, strain, and stress in food products subjected to drying
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-09-01 without embargo terms
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Estuarine sediment nutrient exchange: the importance of physical transport mechanisms and benthic micro-communities
… of benthic micro-communities and physical transport mechanisms on sediment nutrient flux were investigated for two nearshore sediment types on Virginia’s Eastern Shore. Subtidal sandy mineral sediments were conducive to water transport and subsequently influenced by groundwater discharge to …
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Fundamental Investigations into the Metal-Organic Framework Redox-Hopping Charge Transport——Mechanisms and Improvement Strategies
Redox hopping is the dominant charge transport mechanism in many catalyst-modified metal-organic frameworks (MOFs). Previous studies have shown that ion diffusion is the rate-determining step of redox hopping, but the realization regarding to the fundamental mechanism of redox hopping in MOF is …
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Identifying nitrate transport mechanisms and export dynamics using water age modeling and concentration-discharge relationships
… hysteresis, indicating that NO3- is transport-limited in the UER catchment. Few environmental controls were correlated with C-Q metrics, though NO3- flushing response on the hydrograph rising limb increased with antecedent moisture. The a parameter, representing the intercept of the …
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