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Graduate Theses, Dissertations, and Problem Reports (ETD)

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Damage Mechanics Of Human Cortical Bone, Gagik Parsam Parsamian Aug 2001

Damage Mechanics Of Human Cortical Bone, Gagik Parsam Parsamian

Graduate Theses, Dissertations, and Problem Reports (ETD)

Skeletal fragility is an important orthopedic concern including the prevention of osteoporosis, long-term stability of prosthetic implants and stress fractures. Damage in human cortical bone has been implicated as a cause of increased fragility and is thought to initiate bone remodeling. Therefore, characterization of the mechanisms of damage initiation and accumulation in bone is challenging not only from the engineering prospective but also has a potential of revealing new insights in its physiology. The main objectives of this dissertation work were to study the early stages of damage development in human cortical bone and develop a constitutive formulation describing damage …

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Real World Heavy-Duty Vehicle Emissions Modeling, Paul Andrei Aug 2001

Real World Heavy-Duty Vehicle Emissions Modeling, Paul Andrei

Graduate Theses, Dissertations, and Problem Reports (ETD)

Heavy-duty vehicle emissions represent a significant portion of the mobile source emissions inventory. Accurate estimation of their contribution is essential as on-highway and non-road heavy-duty diesel emissions account for at least one third of the oxides of nitrogen (NOx) in the inventory. West Virginia University (WVU) has developed an extensive database of continuous transient gaseous emissions levels from a wide variety of heavy-duty vehicles in field operation. The database was built using WVU Transportable Heavy-Duty Vehicle Emissions Testing Laboratories (THDVETL). Several different transient cycles were utilized for testing including the Central Business District (CBD) schedule.;Several speed correction factors were developed …

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Characterization Of Infield Vehicle Activity Data And Exhaust Emissions From Diesel Powered Off-Road Vehicles, Ryan Andrew Barnett Aug 2001

Characterization Of Infield Vehicle Activity Data And Exhaust Emissions From Diesel Powered Off-Road Vehicles, Ryan Andrew Barnett

Graduate Theses, Dissertations, and Problem Reports (ETD)

A study was conducted to determine brake-specific emissions from diesel-powered off-highway heavy equipment that were exercised on steady-state and transient cycles. Two vehicles were evaluated in this study, a streetsweeper (114 hp) and a rubber-tired loader (110 hp). Due to the lack of appropriate transient cycles available for these vehicles, methods were developed to document infield operation for the creation of test cycles and strategies. These cycles were later used to mimic infield operation for the collection of emissions and performance data on a dynamometer test bed.;Brake-specific emissions data collected during the transient cycles was compared to data collected during …

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Hybrid Arq With Parallel And Serial Concatenated Convolutional Codes For Next Generation Wireless Communications, Naveen Chandran Aug 2001

Hybrid Arq With Parallel And Serial Concatenated Convolutional Codes For Next Generation Wireless Communications, Naveen Chandran

Graduate Theses, Dissertations, and Problem Reports (ETD)

This research focuses on evaluating the currently used FEC encoding-decoding schemes and improving the performance of error control systems by incorporating these schemes in a hybrid FEC-ARQ environment. Beginning with an overview of wireless communications and the various ARQ protocols, the thesis provides an in-depth explanation of convolutional encoding and Viterbi decoding, turbo (PCCC) and serial concatenated convolutional (SCCC) encoding with their respective MAP decoding strategies.;A type-II hybrid ARQ scheme with SCCCs is proposed for the first time and is a major contribution of this thesis. A vast improvement is seen in the BER performance of the successive individual FEC …

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Development Of A Micro-Dilution Tunnel System For In-Use, On-Board Heavy-Duty Vehicle Particulate Matter Emissions Measurement, Emily Deanna Cirillo Aug 2001

Development Of A Micro-Dilution Tunnel System For In-Use, On-Board Heavy-Duty Vehicle Particulate Matter Emissions Measurement, Emily Deanna Cirillo

Graduate Theses, Dissertations, and Problem Reports (ETD)

A novel portable particulate matter measuring system was designed, developed and qualified. The heavy-duty engine Federal Test Procedure (FTP) requires the use of a full-flow tunnel to measure particulate emissions from diesel fueled engines. However, a full-flow tunnel based constant volume sampler (CVS) system is not only expensive to build and maintain, it also requires a large work space. The portable micro-dilution system that could be used for measuring on-board, in-use emissions from heavy-duty vehicles would cost significantly less. The micro-dilution tunnel operates on the same principle as a full-flow dilution tunnel. The added advantage of the proposed design is …

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Numerical Modeling Of Chemical Recovery From Black Liquor Char, Dharmarajan Hariharan Aug 2001

Numerical Modeling Of Chemical Recovery From Black Liquor Char, Dharmarajan Hariharan

Graduate Theses, Dissertations, and Problem Reports (ETD)

A complete CFD model for the char burning stage of chemical recovery from black liquor is presented. Chemical recovery from black liquor is characterized by the occurrence of multiple, simultaneous reactions occurring in dynamic flow conditions. Rate equations for the different chemical reactions are incorporated into a multiphase CFD code MFIX. Rate equations for sulfate reduction by carbon, gasification of carbon by CO2 and H2O, and, COS and H2S formation, are incorporated into MFIX, to simulate the chemical kinetics occurring in the char burning stage. Oxidation of carbon and Na 2S by O2 are also included.;Pyrolysis of black liquor char …

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Static And Dynamic Inventory Models Under Inflation, Time Value Of Money And Permissible Delay In Payment, Babak Khorrami Aug 2001

Static And Dynamic Inventory Models Under Inflation, Time Value Of Money And Permissible Delay In Payment, Babak Khorrami

Graduate Theses, Dissertations, and Problem Reports (ETD)

In this research a number of mathematical models were developed for static and dynamic deterministic single-item inventory systems. Economic factors such as inflation, time value of money and permissible delay in payment were considered in developing the models. Nonlinear optimization techniques were used to obtain the optimal policies for the systems.;First, a static single-item inventory model was considered in which shortages are allowed and a delay is permitted in payment. In this case, suppliers allow the customers to settle their accounts after a fixed delay period during which no interest is charged.;An extension of the model was then considered in …

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Numerical Modeling Of Cold Flow And Hot Gas Desulfurization In A Circulating Fluidized Bed, Neeraj N. Pugalia Aug 2001

Numerical Modeling Of Cold Flow And Hot Gas Desulfurization In A Circulating Fluidized Bed, Neeraj N. Pugalia

Graduate Theses, Dissertations, and Problem Reports (ETD)

Section I. This work was carried out to understand the behavior of the solid and gas phases in a CFB riser. Only the riser is modeled as a straight pipe. A model with linear algebraic approximation to solids viscosity of the form, mus = 5.34epsilons, (epsilon s is the solids volume fraction) with an appropriate boundary condition at the wall obtained by approximate momentum balance solution at the wall to account for the solids recirculation is tested against experimental results. The work done was to predict the flow patterns in the CFB risers from available experimental data, including data from …

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Mobile Agent-Based Attack-Resistant Architecture For Distributed Intrusion Detection System, Sentil Kumar Selliah Aug 2001

Mobile Agent-Based Attack-Resistant Architecture For Distributed Intrusion Detection System, Sentil Kumar Selliah

Graduate Theses, Dissertations, and Problem Reports (ETD)

The majority of the Distributed Intrusion Detection systems lack measures for providing security and integrity to their own components. The hierarchical organization and the static nature of the intrusion detection components in a largely distributed environment make them the likely targets of attacks. By disabling few operationally critical components along the hierarchy, an attacker can succeed in disabling the system's capability to correctly detect intrusions. One solution to this problem is to eliminate the system components' static nature by wrapping them as mobile agents. Through mobility we achieve an attack resistant architecture for the hierarchical distributed intrusion detection components. As …

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Analysis Of Particulate Matter Concentration And Size Distribution In Heavy-Duty Vehicle Exhaust Emissions, Zhuyun Xu Aug 2001

Analysis Of Particulate Matter Concentration And Size Distribution In Heavy-Duty Vehicle Exhaust Emissions, Zhuyun Xu

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study put forward a method to predict the concentration field in the plume of a heavy-duty truck, operating at highway speed. It provided information regarding computation of dispersion coefficients in the area near a stack.;The numerical cumulative frequency fit method obtained in this study provided an effective and quick means for determining the particle size distribution parameters (the mass median aerodynamic diameters and geometric standard deviations) of sample data for the multi-modal distribution.;The particle size distribution of the compressed natural gas buses tested was characterized by a bi-modal particle size distribution; the clean diesel buses had a uni-modal particle …

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Modeling And Control Of A Wind Turbine As A Distributed Resource In An Electric Power System, Bongani Malinga Aug 2001

Modeling And Control Of A Wind Turbine As A Distributed Resource In An Electric Power System, Bongani Malinga

Graduate Theses, Dissertations, and Problem Reports (ETD)

Deregulation of electric utilities has led to consideration of new distributed resources (DRs) such as wind turbines. The DR dynamics have to be studied carefully to avoid unpredictable outputs and unknown interferences as well as to make sure that consistent and efficient power is supplied according to the load requirements.;The objective of this thesis is to make a contribution to the ongoing wind turbine research in the areas of modeling, control and implementation of wind turbines as DRs in deregulated electric power systems. A model of complete open-loop wind turbine system consisting of a rotor, a gearbox and a three-phase …

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Design And Analysis Of A Hybrid Steel/Composite Pipe For High-Pressure Applications, William Jennings Briers Iii Aug 2001

Design And Analysis Of A Hybrid Steel/Composite Pipe For High-Pressure Applications, William Jennings Briers Iii

Graduate Theses, Dissertations, and Problem Reports (ETD)

Once limited almost exclusively to aerospace applications, the use of composite materials has become widespread among many high performance industries. Today's petroleum industry is requiring piping systems to sustain high pressures, impact, rugged handling, and harsh environmental conditions such as corrosion and temperature. Advances in the last decade of engineered materials have opened the way for more conversions from metal to composites.;The objective of this research is to develop a lightweight composite pipe that meets the performance requirements of an existing high-pressure steel pipe. This development is crucial to the petroleum industry where hydraulic-fracturing services are demanding lighter weight materials …

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Factors Influencing Crosslink Formation In Muscle Tissue, Maricica Pacurari Aug 2001

Factors Influencing Crosslink Formation In Muscle Tissue, Maricica Pacurari

Graduate Theses, Dissertations, and Problem Reports (ETD)

The objectives of this study were to determine the effect of the crosslink breaker ALT-711 on the concentration of soluble collagen, as well as its effectiveness on meat tenderness.;Final body weights were not affected by treatments. Muscle tenderness was higher (p < 0.05) for TB, SS, BF, ST, and LT (p < 0.10) for A-maturity animals compared to control and ALT-711 treated animals. No consistent ALT-711 effect on shear force measurements was found. Shear force increased linearly with age BF, R2 = 0.94; SM, R2 = 0.81; LL, R 2 = 0.77; SS, R2 = 0.63; LT, R2 = 0.32; TB, R2 = 0.37; ST, R2 = 0.40. Total collagen content was not different (p > 0.10) between A-maturity, control and ALT-711 treated animals. However, the concentration of soluble collagen was higher (P < 0.05) for A-maturity group. Insoluble collagen content was higher (p < 0.05) for longissimus thoracis, biceps femoris, and (p < 0.10) for supraspinatus of control animals. Muscle soluble collagen content decreased linearly as chronological age increased LT R2 = 0.98; LL R 2 = 0.92; TB R2 = 0.99; BF R2 = 0.99; ST R2 = 0.95; SM R2 = 0.99; SS R2 = 0.36. The soluble collagen percentage was higher for ALT-711 treated animals compared to control animals.;ALT-711 tended to increase muscle soluble collagen content of aged cattle. ALT-711 may be an effective age-related collagen crosslink breaker. However, ALT-711 may not be used to improve meat quality of aged cattle.

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Economic Evaluation Of Three Preventive Drug Therapies For Osteoporotic Fractures Among Women At Different Risk Levels, Xin Gao Aug 2001

Economic Evaluation Of Three Preventive Drug Therapies For Osteoporotic Fractures Among Women At Different Risk Levels, Xin Gao

Graduate Theses, Dissertations, and Problem Reports (ETD)

Objective. To evaluate cost-effectiveness (CE) of three drug therapies for preventing osteoporotic fractures in postmenopausal women from a state Medicaid Program perspective using the estimated risk distribution in the study population. The three therapies are: hormone replacement therapy (HRT), alendronate, and raloxifene. Methods. A hypothetical cohort of white women aged 45--85 years, postmenopausal, and without past incidence of osteoporotic fractures was treated with one of the three alternatives, and tracked over 3 years in a decision model. The CE ratio was defined as the treatment costs [e.g., medications, monitoring, adverse events (AE)] divided by the number of fractures averted. Treatment …

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Ante- And Post-Mortem Factors Affect Muscle Protein Functionality From Fish, Sitima Jittinandana Aug 2001

Ante- And Post-Mortem Factors Affect Muscle Protein Functionality From Fish, Sitima Jittinandana

Graduate Theses, Dissertations, and Problem Reports (ETD)

Rainbow trout, Oncorhynchus mykiss, fillets were brined in 8.7 or 17.4% (w/v) sodium chloride solution, respectively, for 30, 60, 90, or 120 min at 3°C. Increased brine concentration decreased brined pH, myosin solubility, brined and cooked moisture content, and water activity, and increased fillet weight loss after brining, cook yield, actin solubility, water-phase salt content, and shear force. Brining time linearly increased myofibrillar protein solubility, fillet weight loss after brining, water-phase salt content, and cooked ash content and linearly decreased water activity and brined and cooked moisture content. An 8.7% (w/v) brine and 90-min brining time resulted in maximum texture …

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Integrated Modulation Of Sympathetic Tone In The Microcirculation By Oxygen, Adenosine, And Nitric Oxide, Bryan Auston Sauls Aug 2001

Integrated Modulation Of Sympathetic Tone In The Microcirculation By Oxygen, Adenosine, And Nitric Oxide, Bryan Auston Sauls

Graduate Theses, Dissertations, and Problem Reports (ETD)

Despite a profound reduction in hemodynamic shear stress, a sustained release of endothelium-derived nitric oxide (NO) limits arteriolar constriction during periods of increased sympathetic nerve activity in the rat small intestine. In this project, we sought to test the hypothesis that adenosine, formed in response to a flow-dependent fall in local PO2, serves as the stimulus to preserve endothelial NO release under these conditions. Sympathetic nerve stimulation induced frequency-dependent arteriolar constrictions and a flow-dependent fall in local PO2. The arteriolar responses to nerve stimulation were enhanced after inhibition of NO synthase with NG-monomethyl-L-arginine (L-NMMA). Under a high (20%) O2 superfusate, …

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Factors Contributing To College Freshmen Placed On Academic Probation, Lee Ann Vecellio Aug 2001

Factors Contributing To College Freshmen Placed On Academic Probation, Lee Ann Vecellio

Graduate Theses, Dissertations, and Problem Reports (ETD)

The responses of college freshmen placed on academic probation to a survey examining the factors leading to their poor academic performance were studied to ascertain the perceived problem areas. One hundred and seventy-two college freshmen selected factors concerning motivation, time management, social, and financial components, which they believed contributed to their poor academic performance during their freshman year. For males, inadequate balance between time and other activities was perceived as the number one factor contributing to their demise. On the other hand, females selected lack of academic motivation as their number one factor. Interestingly, these factors were reversed when identifying …

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Mitigation Of Water Quality And Ecosystem Impacts Of Roadway Construction Through Retrospective Engineering Analyses, Jaime Monique Sayre May 2001

Mitigation Of Water Quality And Ecosystem Impacts Of Roadway Construction Through Retrospective Engineering Analyses, Jaime Monique Sayre

Graduate Theses, Dissertations, and Problem Reports (ETD)

During the construction of a segment of Appalachian Corridor H between Buckhannon and Elkins, West Virginia, mine spoils and land use features related to historic mining were disturbed. An assessment of the water quality, benthic macro invertebrates, and fish populations was conducted to ascertain the condition of the water and to assess the biological productivity of Laurel Run, a tributary of the Tygart Valley River which runs parallel to Corridor H. The water quality and biological impairments were attributed to the ineffective vegetation of the spoils pile, which permitted water infiltration and thus, served as a source of metals and …

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Comparison Study Of The Savings Between A Single And A Double Step Toll Systems, Juan Arturo Kuthy-Saenger May 2001

Comparison Study Of The Savings Between A Single And A Double Step Toll Systems, Juan Arturo Kuthy-Saenger

Graduate Theses, Dissertations, and Problem Reports (ETD)

Solving the problem of highway congestion requires solutions that go beyond the capacity expansion of the roadway and towards effective capacity expansion though innovative operations of facilities. One such innovation is the implementation of congestion tolls in order to set volume levels at economically optimal levels. Transportation researches, for some time, have known the potential of congestion tolls as one solution to the congestion problem, and we are now seeing several cases of facilities operating under a congestion toll. However, essentially all of these cases operate under a single toll, i.e. the toll is fixed and does not change with …

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Fastener Withdrawal Resistance Of Wood-Based Composite Panel Products, Steven M. Cook May 2001

Fastener Withdrawal Resistance Of Wood-Based Composite Panel Products, Steven M. Cook

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this research project was to evaluate the performance of currently available wood-based panel products as sub-floor materials when used under quality oak strip flooring and exposed to cyclic EMC conditions. The critical evaluation criterion was the fastener holding capacity of various sub-floor materials. To accomplish this, investigation of the in-plane density variations of currently available panel products was performed, as was an investigation of the relationship between panel density and the fastener holding capacity of different panel materials. In addition, a comparison of the fastener holding capacity of six different panel products was investigated during and after …

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Objective And Subjective Personality Characteristics Of Medical Students, Heather Anderson Meit May 2001

Objective And Subjective Personality Characteristics Of Medical Students, Heather Anderson Meit

Graduate Theses, Dissertations, and Problem Reports (ETD)

The present study viewed personality characteristics of medical students using both objective (i.e., a valid and reliable psychological instrument) and subjective methods (i.e., medical students' self-ratings of how they viewed themselves and how they believed others viewed them). The 16 Personality Factor Questionnaire (16PF, 5th Edition) and a researcher developed instrument, the Subjective Rating Form (SRF), were utilized in this study. Significant differences were found in 16PF scores from entry to medical school (Time 1) to exit from medical school (Time 2). Significant differences were also observed when SRF scores were compared between Self at Time 1 (retrospectively), Self at …

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Fourth Grade Elementary Students' Perception Of The Motivational Aspects Of Using Computers To Write In The "Student As Authors" Project, Karla Ribeiro De Assis May 2001

Fourth Grade Elementary Students' Perception Of The Motivational Aspects Of Using Computers To Write In The "Student As Authors" Project, Karla Ribeiro De Assis

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study was to describe fourth grade elementary students' perception of the motivational aspects of using computers to write in the "Student as Authors" Project. The following questions were answered in this research: (a) how do fourth grade students perceive the importance of computers in the "Students as Authors" Project? (b) what are the motivational aspects of using a computer to write in the "Student as Authors" Project from fourth grade students' perspective? The researcher used questionnaire, and interviews as modes of data collection. This study indicates that students consider computer important in the "Student as Authors" …

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Wood Deck Bridges-Stress Laminated Wood Panels On Steel Beams, Bryan Lin King May 2001

Wood Deck Bridges-Stress Laminated Wood Panels On Steel Beams, Bryan Lin King

Graduate Theses, Dissertations, and Problem Reports (ETD)

The objective of this project was to simulate a stress laminated timber bridge deck model stiffened with wide flange steel stringers for performance monitoring. The simulation accounted for typical HS-20 repetitive loadings offered by a mechanically controlled actuator.;Based on the results incorporated in this report and additional projects accredited in the literature review, some general recommendations can be established regarding the best approach for constructing timber bridges in the future.;In general, short span prestressed timber bridges appear to be a reliable alternative in rural bridge design applications. Pure aesthetics responsive to timber construction add to the allure of this optional …

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Essays On The Restructuring Of The Electricity Industry In The United States, Vladimir V. Starkov May 2001

Essays On The Restructuring Of The Electricity Industry In The United States, Vladimir V. Starkov

Graduate Theses, Dissertations, and Problem Reports (ETD)

The dissertation explores several issues that arise from the restructuring of the American electricity industry. The first chapter discusses economic reasons for deregulation, describes possible deregulation scenarios, and outlines potential pitfalls of deregulation.;Chapter 2 develops a forecast of electricity prices after the transition to retail competition. The equilibrium prices are found from an n -firm Cournot model of oligopoly with non-uniform marginal costs. It is further shown how the translog cost function can be used in the traditional solution of the Cournot model. Major empirical findings include marginal cost functions of every producer and forecast prices of electricity after deregulation …

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Effects Of Sediment Upon Benthic Macroinvertebrates In Forested Northern Appalachian Streams, Michael Douglas Kaller May 2001

Effects Of Sediment Upon Benthic Macroinvertebrates In Forested Northern Appalachian Streams, Michael Douglas Kaller

Graduate Theses, Dissertations, and Problem Reports (ETD)

Excess fine sediment negatively influences the fauna of North American streams. With the current emphasis on multiple-use forests, the question is not whether fine sediment is detrimental, but what is the threshold of fine sediment that is tolerable?;To determine a threshold tolerance of fine sediment, a two-part project investigated the influence of fine sediment upon benthic macroinvertebrates. The first part encompassed two experiments in sediment manipulation in 1999 and 2000. The experiments tested benthic macroinvertebrate metric sensitivity to a range of fine sediment treatments. The second part involved four seasonal surveys of seven streams to determine the threshold amount of …

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Evaluation Of Microleakage Of Rsa Roekoseal Automix Root Canal Sealer, Neil Thomas Miller May 2001

Evaluation Of Microleakage Of Rsa Roekoseal Automix Root Canal Sealer, Neil Thomas Miller

Graduate Theses, Dissertations, and Problem Reports (ETD)

The sealing ability of RSA Roekoseal Automix root canal sealer using ThermaFil Plus and cold lateral condensation was compared to Roth's 801 root canal sealer. Fifty-two single canaled roots of extracted teeth were divided into four groups of twelve and instrumented to size 6 with .06 taper series 29 ProFiles. Group A canals were obturated with ThermaFil and Roth's 801 sealer. Group B canals were obturated with ThermaFil and RSA Roekoseal Automix. Group C canals were obturated with cold lateral condensation and Roth's 801 sealer. Group D canals were obturated with cold lateral condensation and RSA Roekoseal Automix. The linear …

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Teaching Children Qualitative Analysis Of Fundamental Motor Skill, Guoli Liang May 2001

Teaching Children Qualitative Analysis Of Fundamental Motor Skill, Guoli Liang

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study is to examine the effects of a qualitative analysis instructional program on elementary school-aged children. More specifically, the study is designed to explore the possibility of teaching elementary school-aged children to observe and detect the errors of individuals performing manipulative motor skills at various skill levels. Can children of those ages (1) initially observe and detect errors, (2) improve their observation and detection after a training intervention, and (3) maintain any such gains?;The study involved a 2 (experimental group/control group) x 2 (third grade/fifth grade) x 3 (pretest/posttest/retention test) design. The participants involved in this …

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Studies Of The Initial Stage Of Silicon Carbide Growth On Silicon, Katherine Stewart Ziemer May 2001

Studies Of The Initial Stage Of Silicon Carbide Growth On Silicon, Katherine Stewart Ziemer

Graduate Theses, Dissertations, and Problem Reports (ETD)

The lack of understanding concerning the initial stage of silicon carbide (SiC) growth on silicon (Si) substrates gives rise to heated debates on the growth mechanisms, the characteristics of the "optimal" initial layers, and the processing parameters necessary to produce high-quality cubic or beta silicon carbide (beta-SiC) on these initial layers. If the potential of beta-SiC as a semiconductor for electronic devices is to be realized, the growth of the initial layers (i.e. the initial stage of growth) must be understood and then controlled.;This dissertation presents results from the comparison of the initial stages of beta-SiC growth by gas source …

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Patient Satisfaction Among Injured High School And College Athletes And Its Association With Rehabilitation Adherence And Compliance, Joni L. Cramer Roh May 2001

Patient Satisfaction Among Injured High School And College Athletes And Its Association With Rehabilitation Adherence And Compliance, Joni L. Cramer Roh

Graduate Theses, Dissertations, and Problem Reports (ETD)

Patient satisfaction is an important measure for quality of care and has been observed for several decades (DiPalo, 1997; Merkouris, Ifantopoulos, Lanara, & Lemonidou, 1999; Wolf, Putnam, James, & Stiles, 1978; Zyzanski, Hulka, & Cassel, 1974). Based on theory, patient satisfaction has been suggested to be a means for patient attendance and quality of effort during rehabilitation, which would then impact the recovery rate (DiPalo, 1997; Press, 1994). Recently, patient satisfaction athletes received from their sports medicine professional (i.e., athletic trainer, physiotherapist) in the athletic training rooms and clinics have also been explored (Albohm & Wilkerson, 1999; Taylor & May, …

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Relationships And Differences On Self -Regulated Learning, Parental Involvement, Homework, And Academic Achievement, Among High School Students In Rural West Virginia, Samuel R. Heastie May 2001

Relationships And Differences On Self -Regulated Learning, Parental Involvement, Homework, And Academic Achievement, Among High School Students In Rural West Virginia, Samuel R. Heastie

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study was to examine the relationships among self-regulated learning (SRL), parental involvement (PI), homework (HW), and cumulative grade point average (CGPA), and the differences between gender on these variables for high school students in rural West Virginia. Research was conducted at a rural high school, grades nine through 12, in North Central West Virginia. Participants in the study comprised of 50 students and 35 parents, for a combined total of 85 participants. Data were collected for students and parents from teachers' grade book, students' records, and two survey instruments---Bandura's Children's Self-Efficacy Scale (1990) and The Parent …

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