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 55 for “"Transport Parameters"”.
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Improved Estimation of Transport Parameters in the Dermis
… For highly lipophilic compounds these parameters also play a significant role in determining systemic absorption rates. A modified in vitro experimental methodology was employed to measure the transport parameters of 3 solutes varying in lipophilicity, namely, DEET, diclofenac and …
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Predicting thermodynamic and transport parameters for metal contaminant sorption to hydrated metal oxides in aquatic systems
… methods that can accurately predict important transport and thermodynamic parameters for describing the fate of these pollutants.
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Investigation of Water Transport Parameters and Processes in the Gas Diffusion Layer of PEM Fuel Cells
… are developed to describe the water transport characteristics of the gas diffusion layer (GDL) of proton exchange membrane fuel cells (PEMFCs). Additionally, experimental fixtures and procedures for the determination of the constitutive relationships are presented. The water transport …
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On Single Well Forced Gradient Tracer Tests: Implications of Aquifer Physical Heterogeneity and Tracer Behaviour
… to estimate in situ aquifer contaminant fate and transport parameters for use in natural attenuation assessments and remediation schemes. To date dipole flow tracer tests have been used to measure the conservative and hydraulic parameters of an aquifer, while push-pull tests are well characterised …
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Cooperative behavior of motor proteins
… is the fast carrier for intracellular cargo transport along microtubules. So far most studies aimed at investigating the transport properties of individual motor molecules. However, the transport in cells usually involves the collective work of more than one motor. In the present work, we …
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A mathematical model of the airway epithelium: Computational studies of ion and water balance
… to investigate the time course of ion and water transport across airway epithelia. Model variables were intracellular and apical concentrations of sodium, potassium, chloride; apical, basolateral, and transepithelial membrane potentials; cell and apical volumes. Membrane transport processes …
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On the relationship between carrier mobility and velocity in sub-50 mm MOSFETs via calibrated Monte Carlo simulation
… was calibrated in the regime sensitive to transport parameters. The relationship between electron mobility and high-electric-field velocity at the source-channel potential energy barrier was investigated. The results show a strong correlation, as was demonstrated previously experimentally. …
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In Situ High-Temperature Scanning Tunneling Microscopy Studies of Early Stage Growth Kinetics During Titanium Nitride Epitaxy
… measurements and determined adatom surface transport parameters, step energies, step stiffnesses, and kink formation energies on TiN(001) and TiN(111) surfaces.
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Electronic, thermoelectric and optical properties of vanadium oxides: VO2, V2O3 and V2O5
… to be fully occupied in the insulating phases. Transport parameters such as Seebeck coefficient, electrical conductivity and thermal (electronic) conductivity are studied as a function of temperature at a fixed value of chemical potential close to the Fermi energy using Kohn-Sham band structure …
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Quantification of membrane transport rates using optofluidics
The transport of ions and small molecules across membranes is a ubiquitous process in biological systems. Effective studies of membrane transport phenomena require suitable model membrane systems, efficient methods to quantify transport kinetics and a robust theoretical framework to derive …
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Electronic Transport in Thermoelectric Bismuth Telluride
… experimental investigation of the electronic transport properties of bismuth telluride nanocomposite materials is presented. The primary transport measurements are electrical conductivity, Seebeck coefficient and Hall effect. An experimental apparatus for measuring Hall effect and electrical …
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Transport of free excitons and electron-hole droplets in silicon and germanium
… the results of a wide ranging study of the transport properties of photo-excited free excitons (FE) and electron-hole droplets (EHD). The mobilities of both species are largely controlled by interaction with lattice phonons. Non-equilibrium phonon fluxes are capable of moving EHD macroscopic …
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Microfluidics for bacterial chemotaxis
… platform. We quantified population-scale transport parameters of bacteria using videomicroscopy and cell tracking in controlled chemoattractant gradients. Previously, transport parameters have been derived theoretically from single-cell swimming behavior using probabilistic models, but the …
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Controlled loading of cryoprotectants (CPAS) with cell volume constraints
… without prior knowledge of cell membrane transport parameters.
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Modeling the Lafourche Delta network in the Mississippi Delta Complex
… reasonable water discharge and common sediment transport parameters, MB_DCN produced a channel network that resembles the Lafourche Delta channel network morphology and progradation rates. The sediment transport nonlinearity appears to set the network geometry, the basin boundary constrains …
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Transport imaging in the one dimensional limit
Transport imaging is a SEM-based technique used to directly image the motion and recombination of charge in luminescent semiconductors, allowing for the extraction of transport parameters critical to device operation. In this thesis, transport imaging for 1D structures was initiated with work on …
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Coherent Transport of Matter Waves in Disordered Optical Potentials
… of ultra-cold atoms. This work studies the transport properties of matter waves in disordered optical potentials, which are also known as speckle potentials. The effect of correlated disorder on localization is first studied numerically in the framework of the Anderson model. The relevant …
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Reconstructing long term sediment flux from the Brooks Range, Alaska using shelf edge clinoforms
… were interpreted in order to constrain the transport conditions associated with progradation of the shoreline and construction of the continental margin out of detritus shed from the ancestral Brooks Range. Using STRATA, a synthetic stratigraphic modeling package, constructional clinoform …
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Design and characterization of Si/SiGe heterostructure sub-100 nm bulk p-MOSFET
… process compatibility. Extraction of carrier transport parameters for deep submicron devices will be also discussed as a performance indicator for characterizing Si/SiGe heterostructure p-MOSFET with special consideration of strain and defect effects. The degradation of effective mobility and …
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