Index Catalog // ScholarsArchive@OSU

Growth and characterization of zinc ferrite thin films for high frequency applications

Creator:: Hu, Jiqing
Abstract:: Ferrites have been used for various high frequency applications as bulk materials. These applications, however, are limited to large dimension devices. In this thesis, thin film ferrites were deposited from a low temperature solution-based deposition process that is suitable for micro-scale high frequency applications. The low temperature nature of this...
Resource Type:: Dissertation
Full Text:: min. (b) 45 min. (c) 75 min. and (d) higher magnification image for (b

A direct-drive wave energy converter with contactless force transmission system

Creator:: Agamloh, Emmanuel B.
Abstract:: Commonly proposed ocean wave energy converters (OWEC) use inefficient and maintenance demanding intermediate hydraulic and pneumatic systems. We propose a novel rotary direct-drive OWEC that eliminates these intermediate stages. The new device employs a contactless force transmission system (CFTS) comprising a “piston” and a “cylinder” and a ball screw to...
Resource Type:: Dissertation
Full Text:: family and for praying for me. Finally, I thank my wife Jane and our children David and Audrey for

Regression calibration and maximum likelihood inference for measurement error models

Creator:: Monleon-Moscardo, Vicente J.
Abstract:: Regression calibration inference seeks to estimate regression models with measurement error in explanatory variables by replacing the mismeasured variable by its conditional expectation, given a surrogate variable, in an estimation procedure that would have been used if the true variable were available. This study examines the effect of the uncertainty...
Resource Type:: Dissertation
Full Text:: .......................................... 89 C. Distribution of the ratio of two independent, normally distributed random variables

Population demography, resource use, and movement in cooperatively breeding Micronesian Kingfishers

Creator:: Kesler, Dylan C.
Abstract:: Island systems and species are susceptible to extinction because of their small population size and an ecological naiveté from an evolutionary past lacking strong competition and predation. For example, only one-fifth of the world’s bird species occur on islands, yet more than 90% of the avian extinctions witnessed during historic...
Resource Type:: Dissertation
Full Text:: subspecies of Micronesian Kingfisher (T. c. reichenbachii and T. c. pelewensis respectively) that are

Heavy fermion effective mass in the superconducting vortex state

Creator:: Townsend, Emily A.
Abstract:: The extended-Lifshitz-Kosevitch formalism (ELK) unifies the treatment of the de Haas-van Alphen (dHvA) effect, allowing it to transcend its traditional roles of mapping Fermi surfaces and measuring effective masses. Here we exploit the capabilities of dHvA as a probe of many-body effects to examine heavy-fermion su- perconductivity. ELK successfully describes...
Resource Type:: Dissertation
Full Text:: superconducting state, contrary to experiment. c©Copyright by Emily Townsend October 11, 2005 All Rights

Advances in expression of heterologous protein products by Streptococcus gordonii

Creator:: Warren, Travis Kent
Abstract:: Streptococcus gordonii is a bacterial species that naturally colonizes the oral cavity of most healthy humans. It resides in the mouth as an adherent to dental surfaces and, with few exceptions, does not cause disease in individuals it inhabits. It possesses qualities that encourage its use as a vector to...
Resource Type:: Dissertation
Full Text:: proposed, and her strict attention to detail in the laboratory. I want to thank David King for his

Grazing, nutrients, and marine benthic algae : insights into the drivers and protection of diversity

Creator:: Guerry, Anne D., 1973-
Abstract:: Two of the most powerful ways in which humans have altered ecosystems are by increasing productivity and changing the densities of important consumers. The bottom-up effects of productivity and the top-down effects of consumers have been identified as primary determinants of biological diversity, though the links between them remain unclear....
Resource Type:: Dissertation
Full Text:: me. Also, this work was supported by grants from the Andrew W. Mellon Foundation, the David and

Impact of discourses on preservice literacy teacher identity development : Subjectivity and agency

Creator:: Larson, Mindy Legard
Abstract:: This research addressed the complexities of identity development in the lives of seven elementary and middle school preservice literacy teachers during their graduate teacher education program at a private western university using a poststructural feminism theoretical lens. This research investigated two questions: 1) How do preservice teachers develop their identity...
Resource Type:: Dissertation
Full Text:: Definition of Terms………………………………………..126 B Fall Informed Consent ………………………………….....132 C

Comparative foraging ecology of five species of Pacific seabirds : multi-scale analyses of marine habitat use

Creator:: Suryan, Robert
Abstract:: Seabirds are an integral component of marine ecosystems, however, because humans typically observe only snapshots of their lives at sea, our understanding of seabird foraging ecology is often limited. A more complete understanding of the ecological roles of seabirds and identification of critical foraging habitats requires the ability to follow...
Resource Type:: Dissertation
Full Text:: the success of research programs from which this dissertation resulted. First, I must thank David

The relationships between fluctuations in oceanographic conditions, forage fishes, predatory fishes, predator food habits, and juvenile salmonid marine survival off the Columbia River

Creator:: Emmett, Robert L.
Abstract:: Salmonid run sizes are strongly affected by their early marine stage. Fully understanding the life history of salmonids means understanding how they interact with their marine environment and with other fishes. Changes in the biological and physical environment off the Columbia River region affects the distribution and abundance of predatory...
Resource Type:: Dissertation
Full Text:: Survival off the Columbia River. Abstract approved: David B. Sampson Salmonid run sizes

ScholarsArchive@OSU

Growth and characterization of zinc ferrite thin films for high frequency applications

A direct-drive wave energy converter with contactless force transmission system

Regression calibration and maximum likelihood inference for measurement error models

Population demography, resource use, and movement in cooperatively breeding Micronesian Kingfishers

Heavy fermion effective mass in the superconducting vortex state

Advances in expression of heterologous protein products by Streptococcus gordonii

Grazing, nutrients, and marine benthic algae : insights into the drivers and protection of diversity

Impact of discourses on preservice literacy teacher identity development : Subjectivity and agency

Comparative foraging ecology of five species of Pacific seabirds : multi-scale analyses of marine habitat use

The relationships between fluctuations in oceanographic conditions, forage fishes, predatory fishes, predator food habits, and juvenile salmonid marine survival off the Columbia River

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