Index Catalog // ScholarsArchive@OSU

Water content and electrical conductivity profile measurements for dispersive media using enhanced time domain and frequency domain models

Creator:: Flugstad, Benjamin A.
Abstract:: Water conservation and water quality are rapidly increasing in importance in all areas of the world. The ability to accurately measure soil water content and salinity, over a wide variety of conditions, is key to meeting this need. A set of forward prediction models and waveform interpretation algorithms to extract...
Resource Type:: Dissertation
Full Text:: ..... 215 Figure 3.77: 2-Wire Probe: WC = 0.33: EC = 1.2 S/m: TDR Pred.: 50Ω Term.: Mason: Parallel Model

BaCuChF (Ch = S, Se, Te) p-type transparent conductors

Creator:: Zakutayev, Andriy
Abstract:: BaCuChF (Ch = S, Se, Te) materials are chalcogen-based transparent conductors with wide optical band gaps (2.9 – 3.5 eV) and a high concentration of free holes (10¹⁸ – 10²⁰ cm⁻³) caused by the presence of copper vacancies. Chalcogen vacancies compensate copper vacancies in these materials, setting the Fermi level...
Resource Type:: Dissertation
Full Text:: : BaCuChF (Ch = S, Se, Te) p-type Transparent Conductors Abstract approved

A role for ceramide accumulation in age-related cardiac mitochondrial dysfunction

Creator:: Monette, Jeffrey S.
Abstract:: Ceramides are a group of lipids in the sphingolipid family that are potent cell signaling molecules. Elevations in ceramide levels above the norm generally lead to apoptosis. Evidence from in vitro studies suggests that accumulation of ceramides within mitochondria leads to dysfunction of the mitochondria. This includes inhibition of the...
Resource Type:: Dissertation
Full Text:: S. Monette for the degree of Doctor of Philosophy in Biochemistry and Biophysics presented on

The Influence of Microbial Communities on Spatiotemporal Elemental Cycling in Coastal Margins Revealed by Community- and Population-level Genomics and Proteomics

Creator:: Kieft, Brandon P.
Abstract:: Biotic and abiotic processes at continent-ocean interfaces cycle a disproportionate mass of carbon and nutrients relative to their global surface area, and microbial activity is a principal determinant of organic and inorganic matter flux in these transition zones. Most studies using modern high-throughput ‘omics techniques to link microorganisms with costal...
Resource Type:: Dissertation
Full Text:: Abstract approved: ______________________________________________________ Ryan S. Mueller Biotic

Right-hook crash causality at signalized intersections

Creator:: Jannat, Mafruhatul
Abstract:: A Right-hook (RH) crash is a common type of bicycle-motor vehicle crash that occurs between a right-turning vehicle and through-moving bicycle at an intersection. At signalized intersections, RH crashes can occur at the onset of the green or during the latter portion of the green phase. In spite of the...
Resource Type:: Dissertation
Full Text:: Intersections. Abstract approved: _____________________________________________________ David S. Hurwitz A

Discrete Ordinates Radiation Transport using High-Order Finite Element Spatial Discretizations on Meshes with Curved Surfaces

Creator:: Woods, Douglas N.
Abstract:: We spatially discretize the Sn transport equation using the high-order (HO) discontinuous finite element method (DFEM) on HO meshes. Previous work provided a proof-of-concept for this spatial discretization method in X-Y geometry. Included in the present work, we derive a spatial discretization for the Sn transport equation in both X-Y...
Resource Type:: Dissertation
Full Text:: Surfaces Abstract approved: Todd S. Palmer We spatially discretize the SN transport equation using the

Characterizing drivers of microbial community structure and function in diverse marine sediments

Creator:: Graw, Michael F.
Abstract:: Marine sediments are one of the largest habitats for microbial life on earth. These microorganisms play critical roles in biogeochemical cycling both within the subsurface and between the sediment and water columns. However, microbial communities in sediments are highly heterogeneous and the factors defining microbial community structure and metabolic function...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Frederick S. Colwell Marine sediments are one of the largest habitats for microbial

Merging Field Work with Machine Learning : Exploring Andic Soil Development in the Cascade Range

Creator:: Osterloh, Kristopher Richard
Abstract:: Andic soils (aka Andisols) have unique properties that are important to society. For soil scientists, the genesis and taxonomy of Andisols is often confused because they can form in both volcanic and non-volcanic material. This dissertation seeks to address such confusion by looking at andic soil development in the Cascade...
Resource Type:: Dissertation
Full Text:: approved: Jay S. Noller Andic soils (aka Andisols) have unique properties that are important to society

Geomicrobiology of marine sediment containing methane

Creator:: Briggs, Brandon R.
Abstract:: Marine sediments contain an abundance of methane that is biologically produced and plays a significant role in the global carbon cycle. Microbes responsible for the carbon cycle in marine sediments, and the processes that they carry out, need to be characterized in order to fully understand the role of this...
Resource Type:: Dissertation
Full Text:: approved: Frederick S. Colwell Marine sediments contain an abundance of methane that is

Numerical Analysis of a System of Parabolic Variational Inequalities with Application to Biofilm Growth

Creator:: Alhammali, Azhar S. A.
Abstract:: In this work we consider a mathematical and computational model for biofilm growth and nutrient utilization. In particular, we are interested in a model appropriate at a scale of interface. The model is a system of two coupled nonlinear diffusion--reaction partial differential equations (PDEs). One of these PDEs is subject...
Resource Type:: Dissertation
Full Text:: approved: Malgorzata S. Peszyńska In this work we consider a mathematical and computational model for

ScholarsArchive@OSU

Water content and electrical conductivity profile measurements for dispersive media using enhanced time domain and frequency domain models

BaCuChF (Ch = S, Se, Te) p-type transparent conductors

A role for ceramide accumulation in age-related cardiac mitochondrial dysfunction

The Influence of Microbial Communities on Spatiotemporal Elemental Cycling in Coastal Margins Revealed by Community- and Population-level Genomics and Proteomics

Right-hook crash causality at signalized intersections

Discrete Ordinates Radiation Transport using High-Order Finite Element Spatial Discretizations on Meshes with Curved Surfaces

Characterizing drivers of microbial community structure and function in diverse marine sediments

Merging Field Work with Machine Learning : Exploring Andic Soil Development in the Cascade Range

Geomicrobiology of marine sediment containing methane

Numerical Analysis of a System of Parabolic Variational Inequalities with Application to Biofilm Growth

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