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Grand Canyon National Park Backcountry Trail Users' Perceptions of Safety, Social, Physical, and Policy Impacts from an Increasing Number of Day Users
(Oklahoma State University, 2012-07-01)
The backcountry trails of the Grand Canyon have recently seen a substantial increase in use due to the popularity of rim-to-rim running and other trail running. This increase may or may not have a social, physical, or ...
Delayed Hooking Mortality of Blue Catfish Ictalurus Furcatus Caught on Juglines in Oklahoma Reserviors
(Oklahoma State University, 2012-05-01)
Growth of blue catfish in Oklahoma reservoirs is typically slow, with only a small percentage of fish reaching preferred size (762 mm). To prevent over harvest of larger fish, the Oklahoma Department of Wildlife Conservation ...
Ghosts of the past or relics of the future? A geographical analysis of the hand-pulled rickshaws of Calcutta
(2012-12)
This dissertation was an attempt to develop a better understanding of the use and value of hand-pulled rickshaws in the city of Calcutta and the lifeworlds of the rickshaw pullers because of a ban placed on the profession ...
Optimization of Aggregate Gradation & Concrete Maturity
(Oklahoma State University, 2012-07-01)
The goal of this study is to provide a mixture design that needs a minimum amount of cement content for pavement concrete. The reduction in cement content was achieved by using different aggregate gradations. Maturity ...
Insights into the maintenance and repair of photosystem II, a dynamic membrane protein complex
(2012-12)
Photosystem II (PSII) is recognized as the main site for high light induced damage. One of the core subunits of PSII, D1 protein encoded by the psbA gene, is identified as a high turnover protein that undergoes degradation ...
Work Values of American Indian College Students
(Oklahoma State University, 2012-07-01)
The purpose of this study is to explore the specific work values of AI/NA college students and how work values are related to the cultural experience of being AI/NA, in terms of enculturation and ethnic identity. Participants ...
Impact of Nanoclay on Fire Retardancy and Environental Durability of Post Consumer Carpet Composites
(Oklahoma State University, 2012-12-01)
A simple vacuum assisted resin transfer molding (VARTM) process was previously used to scale-up the fabrication of large-size composite specimens from recycled post-consumer waste carpet. These composites exhibited superior ...
Screening switchgrass (Panicum virgatum L.) for water stress tolerance
(2012-05)
Scope and Method of Study: Switchgrass can benefit from enhanced water stress tolerance as it will be grown in marginal areas. Whole plant and in vitro culture techniques can help to improve switchgrass biomass production ...
Case study of teacher beliefs about student achievement in a suburban middle school
(2012-12)
The purpose of this study was to investigate the perceptions and beliefs of teachers at a Midwestern suburban middle school about students, student learning, and about teacher's beliefs of their collective abilities to ...
Internet and the Diffusion of Contentious Politics Across National Borders
(Oklahoma State University, 2012-05-01)
This thesis examines how the internet affects the diffusion of contentious politics across national borders. This is done by building a theory linking the internet to the diffusion of contentious politics that is tested ...