Index Catalog // ScholarsArchive@OSU

Noether-type theorems for the generalized variational principle of Herglotz

Creator:: Georgieva, Bogdana A.
Abstract:: The generalized variational principle of Herglotz defines the functional whose extrema are sought by a differential equation rather than an integral. It reduces to the classical variational principle under classical conditions. The Noether theorems are not applicable to functionals defined by differential equations. For a system of differential equations derivable...
Resource Type:: Dissertation

Analysis and Transformations in Support of Android Privacy

Creator:: Bogdanas, Denis, Nelson, Nicholas, and Dig, Danny
Abstract:: To protect user’s privacy and system’s integrity, mobile platforms use permission models to control accesses to protected resources such as GPS location, Contacts, etc. The previous major version of Android used a static permission model, which compromised the security and privacy of apps. Android 6 overhauled its permission model to...
Resource Type:: Technical Report
Full Text:: previous major version of Android used a static permission model, which compromised the security and

An opioid-like receptor in the roughskin newt, Taricha granulosa

Creator:: Walthers, Eliza A.
Abstract:: The main objectives of the current study were to obtain the complete cDNA sequence of an opioid-like receptor from an amphibian, the roughskin newt, Taricha granulosa, and investigate the receptor's tissue distribution and regulation following chronic exposure to the glucocorticoid corticosterone (CORT). Degenerate primers designed in highly conserved regions of...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Eliza A. Waithers for the degree

A beta dosimeter and spectrometer utilizing plastic scintillators and a large-area avalanche photodiode

Creator:: Kriss, Aaron A.
Abstract:: The purpose of this research was to develop and test a radiation detector to perform beta dosimetry and spectroscopy. The detector utilizes plastic scintillator volumes to produce scintillation light in proportion to the amount of energy deposited in them, and a large-area avalanche photodiode to convert the light to electrical...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Aaron A. Kriss for the

Prediction and Measurement of Polycyclic Aromatic Hydrocarbons (PAHs) Transformation Products in the Environment.

Creator:: Titaley, Ivan A.
Abstract:: Polycyclic aromatic hydrocarbons (PAHs) are a group of environmental contaminants consisting of fused benzene rings. Parent-PAHs, methylated-PAHs (MPAHs), and PAHs with molecular weight of 302 a.m.u (MW302-PAHs) are considered as unsubstituted-PAHs. These unsubstituted-PAHs undergo transformation reactions resulting in the formation of PAH-transformation products (PAH-TPs), or substituted-PAHs, including nitrated-, oxygenated-, and...
Resource Type:: Dissertation
Full Text:: Ivan A. Titaley for the degree of Doctor of Philosophy in Chemistry presented on September 5, 2017

Soil community dynamics in sagebrush and cheatgrass-invaded ecosystems of the northern Great Basin

Creator:: DeCrappeo, Nicole M.
Abstract:: Sagebrush steppe ecosystems in the Great Basin have become increasingly threatened by the proliferation of cheatgrass (Bromus tectorum L.), an invasive annual grass. Diverse sagebrush and perennial bunchgrass landscapes can be converted to homogenous cheatgrass grasslands mainly through the effects of fire. Although the consequences of this conversion are well...
Resource Type:: Dissertation
Full Text:: northern Great Basin. I also examined how restoration treatments, such as seeding with a low impact

Design, construction, and analysis of a skin contamination dosimeter

Creator:: Cazalas, Edward J.
Abstract:: International recommendations provided by the International Commission on Radiation Protection (ICRP), as well as national regulations, set by the U.S. Nuclear Regulatory Commission (NRC), state that the exposure of skin to highly concentrated radioactive sources should be monitored at specified depths in skin and kept below specific dose equivalence levels....
Resource Type:: Masters Thesis
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Use of change-point detection for friction–velocity threshold evaluation in eddy-covariance studies

Creator:: Barr, A. G., Richardson, A. D., Hollinger, D. Y., Papale, D., Arain, M. A., Black, T. A., Bohrer, G., Dragoni, D., Fischer, M. L., Gu, L., Law, B. E., Margolis, H. A., McCaughey, J. H., Munger, J. W., Oechel, W., and Schaeffer, K.
Abstract:: The eddy-covariance method often underestimates fluxes under stable, low-wind conditions at night when turbulence is not well developed. The most common approach to resolve the problem of nighttime flux underestimation is to identify and remove the deficit periods using friction-velocity (u*) threshold filters (u*[superscript Th]). This study modifies an accepted...
Resource Type:: Article
Full Text:: A D W a b c d e f g h i j k l m n o p a A R R A K E F U C , 0 h Agricultural

Development of a Framework for Analyzing the Effects of a Micro Pin Fin Array on the Catalytic Combustion of Hydrogen in Micro-channels

Creator:: Walters, Eric M.
Abstract:: An experimental framework for investigation of the effects of Micro Pin Fin Arrays (MPFA) on the fuel oxidation efficiency of catalytic combustion is presented in this thesis. Complete combustion of the fuel is essential for operation at maximum efficiency and high standards of environmental cleanliness desired in existing microscale combustion...
Resource Type:: Honors College Thesis
Full Text:: , 2014. Title: Development of a Framework for Analyzing the Effects of a Micro Pin Fin Array on the

Progress in the development of a portable phoswich-style skin contamination dosimeter

Creator:: Tang, Matthew M.
Abstract:: The Code of Federal Regulations (10CFR20.1201) mandates occupational dose limits to the shallow, lens and deep tissue layers. The NRC-accepted procedure of estimating dose to these layers from contamination events is laborious. The current work aims to further the development of a portable phoswich-style skin dosimeter that will operate in...
Resource Type:: Masters Thesis
Full Text:: Progress in the Development of a Portable Phoswich-Style

ScholarsArchive@OSU

Noether-type theorems for the generalized variational principle of Herglotz

Analysis and Transformations in Support of Android Privacy

An opioid-like receptor in the roughskin newt, Taricha granulosa

A beta dosimeter and spectrometer utilizing plastic scintillators and a large-area avalanche photodiode

Prediction and Measurement of Polycyclic Aromatic Hydrocarbons (PAHs) Transformation Products in the Environment.

Soil community dynamics in sagebrush and cheatgrass-invaded ecosystems of the northern Great Basin

Design, construction, and analysis of a skin contamination dosimeter

Use of change-point detection for friction–velocity threshold evaluation in eddy-covariance studies

Development of a Framework for Analyzing the Effects of a Micro Pin Fin Array on the Catalytic Combustion of Hydrogen in Micro-channels

Progress in the development of a portable phoswich-style skin contamination dosimeter

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