Index Catalog // ScholarsArchive@OSU

The effect of coagulation conditions on floc size distribution and morphology : implications for downstream treatment processes

Creator:: Maguire, Ian R.
Abstract:: Coagulation and flocculation are commonly used in drinking water treatment as a means of destabilizing and aggregating particles and promoting adsorption of dissolved organic carbon (DOC). In practice, jar tests are used to determine optimal conditions for the removal of turbidity and DOC. However, beyond the inferences that can be...
Resource Type:: Masters Thesis
Full Text:: : Implications for Downstream Treatment Processes. Abstract approved: Jeffrey A. Nason

Statistical analysis and speciation modeling of copper in Oregon highway runoff

Creator:: Bloomquist, Don J.
Abstract:: Low levels of copper have been shown to impair the olfactory system of threatened and endangered (T&E) salmon, decreasing their predator avoidance behavior and likely increasing mortality. However, only dissolved copper (dissCu) present as the cupric ion (Cu2+) and weakly complexed species are truly bioavailable. Previous studies indicate the vast...
Resource Type:: Masters Thesis
Full Text:: Highway Runoff Abstract approved: Jeffrey A. Nason Low levels of copper have been shown to

Exploring the physical activity levels of students with mental retardation and students without disabilities in both school and after-school environments

Creator:: Foley, John Thomas
Abstract:: The focus of this research was to gain an understanding of physical activity in elementary school-aged children with mental retardation (MR). The primary purpose of the first study was to investigate physical activity levels of children with and without MR in both school and out of school environments. The secondary...
Resource Type:: Dissertation
Full Text:: Both School and After-School Environments. Abstract Approved: Jeffrey A. McCubbin The focus of this

The role of the paraeducator in the general physical education environment

Creator:: Bryan, Rebecca R.
Abstract:: The use of paraeducators has increased as a main mechanism to include more students with disabilities in multiple settings in the public schools in the U.S. Research has examined the use of paraeducators in typical classroom settings but little is known about their role in physical education. Although the utilization...
Resource Type:: Dissertation
Full Text:: Jeffrey A. McCubbin The use of paraeducators has increased as a main mechanism to include more

Construct validation of self-report with assistance to measure physical activity behavior in adults with intellectual disabilities

Creator:: Johnson, Marquell J.
Abstract:: The purpose of this study was to examine the evidence of construct validity for self-report with assistance from a secondary source as a measure of physical activity (PA) in adults with intellectual disabilities (ID) in free-living environments. Thirty-seven participants (21 females, 16 males) with mild to moderate ID aged 19-74...
Resource Type:: Dissertation
Full Text:: . Abstract approved: _____________________________________________________________________ Jeffrey A

Cellular mechanisms of muscle weakness and fatigability in individuals with multiple sclerosis

Creator:: Garner, Dena J. P.
Abstract:: Muscle weakness and fatigue are debilitating symptoms of multiple sclerosis (MS). Approximately 50% of muscle weakness and fatigue have been attributed to deficits within the peripheral nervous system, specifically mechanisms residing in the muscle. The goals of this study were to identify the cellular mechanisms of contraction within the muscle...
Resource Type:: Dissertation
Full Text:: J.Widrick Jeffrey A. McCubbin Muscle weakness and fatigue are debilitating symptoms of multiple sclerosis

Physical activity and coronary heart disease risk in women with multiple sclerosis

Creator:: Slawta, Jennifer N.
Abstract:: The aim of the first manuscript was to examine CHD risk in women with MS by assessing the frequency of physical inactivity and the frequency of anthropometric, dietary, and metabolic CHD risk factors. Although participation in physical activity is often avoided by many women with MS, some women remain physically...
Resource Type:: Dissertation
Full Text:: MULTIPLE SCLEROSIS Jennifer N. Slawta, Jeffrey A. McCubbin, Anthony R. Wilcox, and Darek S. NalIe

Interactive vs. non-interactive electronically delivered motivational materials for physical activity initiation and enhancement among adults with physical disabilities

Creator:: Kosma, Maria
Abstract:: Participation in physical activity has important health benefits among individuals with disabilities, whereas inactive lifestyles may lead to secondary limiting health conditions. However, few people with disabilities regularly participate in the recommended amount of health-related physical activities. Low rate of participation may be related to low motivation due to interconnected...
Resource Type:: Dissertation

Optimizing spatial and temporal aspects of nature reserve design under economic and ecological objectives

Creator:: Nalle, Darek J.
Abstract:: Alteration of natural areas in attempts to support increasing human populations has been a crucial yet less publicized contributor to the fall of many of the world's greatest civilizations, since healthy ecosystems can help maintain stable societies and economies. Given this unhappy fact and the ancient relationship between people and...
Resource Type:: Dissertation
Full Text:: Networks with a Hybrid Heuristic Algorithm Darek J. Nalle, Jeffrey L. Arthur, and John Sessions To

Spatially explicit inter-temporal forest management decision under the risk of fire

Creator:: Konoshima, Masashi
Abstract:: This paper presents a framework for analyzing efficient spatial allocation of forest management efforts - fuel treatment and harvest - under the risk of fire. The framework integrates a fire behavior model and a spatially-explicit stochastic dynamic optimization model. I investigate the effects of spatial interaction across plots during forest...
Resource Type:: Dissertation
Full Text:: : Claire A. Montgomery Jeffrey L. Arthur This paper presents a framework for analyzing efficient spatial

ScholarsArchive@OSU

The effect of coagulation conditions on floc size distribution and morphology : implications for downstream treatment processes

Statistical analysis and speciation modeling of copper in Oregon highway runoff

Exploring the physical activity levels of students with mental retardation and students without disabilities in both school and after-school environments

The role of the paraeducator in the general physical education environment

Construct validation of self-report with assistance to measure physical activity behavior in adults with intellectual disabilities

Cellular mechanisms of muscle weakness and fatigability in individuals with multiple sclerosis

Physical activity and coronary heart disease risk in women with multiple sclerosis

Interactive vs. non-interactive electronically delivered motivational materials for physical activity initiation and enhancement among adults with physical disabilities

Optimizing spatial and temporal aspects of nature reserve design under economic and ecological objectives

Spatially explicit inter-temporal forest management decision under the risk of fire

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