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

Enhanced-accuracy oversampled data converters

Creator:: Ceballos, Jose Luis
Abstract:: Digital-to-analog converters (DACs) suffer from static and dynamic nonlinearity problems, which degrade their accuracy and performance. Mismatch errors in the analog components restrict the maximum achievable linearity. This thesis presents various techniques for correcting these errors. It describes a correction process for the nonlinear behavior of DACs, on three different...
Resource Type:: Dissertation
Full Text:: (CDADIC), and Analog Devices Inc. (ADI). Special thanks to Paul Ferguson and Dennis Dempsey for their

Quantities of prostaglandins in whole and extended bovine semen and their potential effect on fertility following insemination

Creator:: Jaeger, John Ralph
Abstract:: Our objectives were to determine 1) the concentration of prostaglandin F2α (PGF2α) in whole and extended bovine semen, 2) if concentrations of prostaglandins in extended bovine semen are correlated to fertility, and 3) if PGF2α administered at the time of artificial insemination would improve conception rate. Concentration of PGF2α tended...
Resource Type:: Dissertation
Full Text:: COMPONENTS ON FERTILITY…….... 24 Lipocalin-Type D Prostaglandin Synthase…………………………… 24 Cytokines

Use of nondestructive spectroscopy to assess chlorophyll and nitrogen in fresh leaves

Creator:: Ding, Pinghai
Abstract:: Four aspects of factors influencing the accuracy of nondestructive chlorophyll (Chl) and nitrogen (N) measurement in fresh leaves were studied: (1) optimum wavelength (OW) identification; (2) indices development and evaluation; (3) influence of leaf properties; and (4) influence of meter parameters and sampling technique. Results were used to develop indices...
Resource Type:: Dissertation
Full Text:: of apple (A, D), poplar (B, E) and almond (C,F) ................... 55 3.2 Original reflectance

Structure elucidation of bioactive natural products from Madagascar marine algae and cyanobacteria

Creator:: Andrianasolo, Eric Hajaniriana
Abstract:: This thesis is an investigation of the natural products deriving from marine algae and cyanobacteria and has resulted in the discovery of eleven new secondary metabolites. The structure elucidations of these new molecules were performed using a variety of spectroscopic techniques. Four new macrolides were isolated and characterized from the...
Resource Type:: Dissertation
Full Text:: Eric Hajaniriana Andrianasolo Ph. D. 2005 AN ABSTRACT

Developing a basis for characterizing precision of estimates produced from non-probability samples on continuous domains

Creator:: Cooper, Cynthia
Abstract:: This research addresses sample process variance estimation on continuous domains and for non-probability samples in particular. The motivation for the research is a scenario in which a program has collected non-probability samples for which there is interest in characterizing how much an extrapolation to the domain would vary given similarly...
Resource Type:: Dissertation
Full Text:: response at location indicated by the 2- or 3-D vector "s" defined on the continuous 2- or 3-D domain. A

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:: Drivers and Protection of Diversity AN ABSTRACT OF THE DISSERTATION OF Anne D. Guerry for the

Electric utility pole yard training facility : Designing an effective learning environment

Creator:: Topping, Robert P.
Abstract:: The primary responsibility of electric utilities is to supply consistent, dependable, and affordable energy to private customers, businesses, and industries. As with many businesses, electric utilities are experiencing the effects of an aging workforce and expending considerable resources to train their current and replacement workers. Community colleges can partner with...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Robert Paul Topping for the degree of Doctor of Education presented on March 8, 2006

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:: : ______________________________________________________________ Daniel D. Roby Seabirds are an integral component of marine ecosystems, however, because

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:: have not been possible with the able assistance of Captains D. Parker and R. Williams and the crews

ScholarsArchive@OSU

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

Enhanced-accuracy oversampled data converters

Quantities of prostaglandins in whole and extended bovine semen and their potential effect on fertility following insemination

Use of nondestructive spectroscopy to assess chlorophyll and nitrogen in fresh leaves

Structure elucidation of bioactive natural products from Madagascar marine algae and cyanobacteria

Developing a basis for characterizing precision of estimates produced from non-probability samples on continuous domains

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

Electric utility pole yard training facility : Designing an effective learning environment

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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