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Stability and Quality of Air Void Systems in Concretes with Superplasticizers
(Oklahoma State University, 2012-12-01)
This study examines the effects of combining different polycarboxylate superplasticizers with different air entraining agents in modern concrete. A novel testing method was invented for analyze the changes over time in the ...
By-plant Sidedress Nitrogen in Corn (Zea Mays L.) Based on Plant Height and Normalized Difference Vegetation Index
(Oklahoma State University, 2012-07-01)
Current methods of applying nitrogen (N) fertilizer do not treat small scale variability that is known to exist. Variations in corn grain yield can be found from one plant to the next. With knowledge that yield potential ...
Blind Source Separation and Localization Using Microphone Arrays
(Oklahoma State University, 2012-12-01)
The blind source separation and localization problem for audio signals is studied using microphone arrays. Pure delay mixtures of source signals typically encountered in outdoor environments are considered. Our proposed ...
Toxicity of Strobilurin Fungicides to Hyalella Azteca
(Oklahoma State University, 2012-12-01)
Fungicide application rates on row crop agriculture have increased across the United States. As a result, contamination of adjacent aquatic systems can potentially occur through spray drift, unintentional direct spraying, ...
Effects of Sea Level Fluctuations on Porosity and Permeability of the Lower Cochrane Member, Chimneyhill Subgroup, Hunton Group West Carney Hunton Field Logan County, Ok
(Oklahoma State University, 2012-12-01)
The West Carney Hunton Field is located in central Oklahoma in Lincoln and Logan Counties. The field is situated on the Oklahoma Platform just east of the Nemaha Ridge. The Hunton Group was deposited in a broad, shallow ...
Tailoring of polymer-nanomaterial interactions
(2012-12)
Scope and Method of Study: The purpose of this research work is to investigate polymer nanomaterial interaction to understand the properties of the polymer nanocomposites. The first part of the dissertation explored the ...
Examination of academic learning outcomes in a non-formal learning environment: A study of Oklahoma FFA Alumni Leadership Camp
(2012-05)
Scope and Method of Study: This quasi-experimental study included FFA members from 149 local Oklahoma FFA chapters who attended camp during summer of 2011. These subjects had completed at least the eighth grade, but had ...
Evaluation of the Fresh Fruit and Vegetable Program in Shawnee, Oklahoma
(Oklahoma State University, 2012-05-01)
The Fresh Fruit and Vegetable Program (FFVP) was established by the U.S. Department of Agriculture as a nutrition assistance program for students in low-income elementary schools because studies showed that children do not ...
Performance and Microarchitectural Analysis for Image Quality Assessment
(Oklahoma State University, 2012-12-01)
This thesis presents performance analysis for five matured Image Quality Assessment algorithms: VSNR, MAD, MSSIM, BLIINDS, and VIF, using the VTune ... from Intel. The main performance parameter considered is execution ...
Synthesis and Biomedical Applications of Polymer Nanomaterials
(Oklahoma State University, 2012-05-01)
Polymeric materials have been vitally important in biomedical applications. To enhance the biocompatibility of implanted devices and to activate the process of bone tissue regeneration, surface modification and scaffold ...