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Channel Geomorphology Relationships For The Beaver Creek Watershed, Atif Hamid
Channel Geomorphology Relationships For The Beaver Creek Watershed, Atif Hamid
Graduate Theses, Dissertations, and Problem Reports
The proposed Appalachian Corridor H will be built through some of the most rugged terrain in West Virginia. The Corridor H section from Davis to Bismarck passes through the Beaver Creek watershed, located in Tucker County, West Virginia, which has been heavily affected by historic mining, deteriorating the water quality conditions of the Beaver Creek watershed. Due to the construction of Corridor H, some of the streams will be disturbed from their present courses. Hence, stream restoration work for these streams is inevitable. It is important to develop a family of stream geometry curves that relate the bankfull parameters as …
Factors Influencing Basal Area Growth Of Yellow-Poplar ( Liriodendron Tulipifera L.) In Central West Virginia, Christopher T. Crum
Factors Influencing Basal Area Growth Of Yellow-Poplar ( Liriodendron Tulipifera L.) In Central West Virginia, Christopher T. Crum
Graduate Theses, Dissertations, and Problem Reports
This paper uses data from continuous forest inventory (CFI) plots to evaluate basal area growth of yellow-poplar (Liriodendron tulipifera L.) as related to four topographic factors (aspect, slope position, steepness, and landform), two competition variables (basal area per acre and trees per acre) and four tree characteristics (age, diameter, total height, and crown diameter). These variables were plotted against basal area growth per year using simple linear regression on 69 yellow-poplar trees. The four tree characteristics all had a highly significant (p < .01) relationship with basal area growth. While the other variables did not exhibit a significant relationship, the two competition variables did have a significant (p < .05) relationship with each other.
Parametric And Predictive Analysis Of Horizontal Well Configurations For Coalbed Methane Reservoirs In Appalachian Basin, Nikola Maricic
Parametric And Predictive Analysis Of Horizontal Well Configurations For Coalbed Methane Reservoirs In Appalachian Basin, Nikola Maricic
Graduate Theses, Dissertations, and Problem Reports
It has been a well-established fact that the Appalachian Basin represents a high potential region for the Coalbed Methane (CBM) production. The thin coal beds in the Appalachian basin are characterized by low porosity and permeability values. Due to highly complex reservoir characteristics, different drilling techniques have been developed in order to improve ultimate gas recovery in the shortest possible time. It has been claimed that horizontal drilling is the optimum completion technique used in this region to maximize methane recovery from coalbed reservoirs.;Horizontal wells are considered to be effective in the relatively thin, naturally fractured reservoirs that are characterized …
Social Responsibility In Major Newspapers Coverage Of "9/11 Lapses" Controversy, Hai Long Tran
Social Responsibility In Major Newspapers Coverage Of "9/11 Lapses" Controversy, Hai Long Tran
Graduate Theses, Dissertations, and Problem Reports
This study measures major newspapers' performance in covering the "September 11 lapses" controversy against social responsibility principles. Content analysis of 535 newspaper items, published by the New York Times, Washington Post, San Francisco Chronicle, USA Today in one year (Sept. 12, 2001--Sept. 11, 2002), found the papers did not live up to journalistic precepts traditionally listed as required for the press in a democratic society. They were successful in providing a source of comprehensive and balanced information, a forum for exchange of comment and criticism on the government's losses and failures. However, major newspapers failed to aggressively pursue independent investigative …
Shrinkage And Strength Characterizations Of Concrete Containing Supplementary Cementing Materials, Aniruddha Chatterjee
Shrinkage And Strength Characterizations Of Concrete Containing Supplementary Cementing Materials, Aniruddha Chatterjee
Graduate Theses, Dissertations, and Problem Reports
Considerable differences in drying shrinkage strains and compressive strengths are observed in HPC containing supplementary cementing materials from normal concrete (without any supplementary cementing material). The differences in these properties due to addition of supplementary cementing materials occur because of different quantity of C-S-H gel formation. This limits the application to HPC of standard prediction equation for shrinkage and strength of normal concrete.;Therefore in this study a novel technique has been used to estimate the C-S-H gel for cement pastes containing supplementary cementing materials in varying replacement proportions and combinations. New shrinkage and compressive strength models have been developed using …
Interactions Of Allelopathy And Competition Affecting Ziziphus Spina-Christi And Prosopis Juliflora Seedlings, Thobayet S. Alshahrani
Interactions Of Allelopathy And Competition Affecting Ziziphus Spina-Christi And Prosopis Juliflora Seedlings, Thobayet S. Alshahrani
Graduate Theses, Dissertations, and Problem Reports
This study consists of two parts, provides data on the interference between Ziziphus spina-christi, native to Saudi Arabia, and Prosopis juliflora, an introduced species. Dry leaves from both species were milled and used to prepare extracts using 0g/l, 5g/l, 20g/l, 40g/l, 60g/l, and 100 g/l of dried leaves. Leaf extract of P. juliflora was used to irrigate Z. spina-christi with 120 ml weekly over a 7-month growth period, and vice versa. Plant height, plant diameter, number of leaves, leaf area, chlorophyll content, total root length, number of root tips, root diameter, root surface area, root volume, shoot dry weight, root …
Behavior Of Frp Wrapped Concrete Cylinders, Renee R. Rajappa
Behavior Of Frp Wrapped Concrete Cylinders, Renee R. Rajappa
Graduate Theses, Dissertations, and Problem Reports
In this research, increases in strength, stiffness and ductility due to external wrapping of Carbon Fiber Reinforced Polymer (CFRP) sheets on plain and steel reinforced concrete cylinders were studied. The research focused on behavior of plain and wrapped concrete cylinders with respect to parameters such as: (1) concrete compressive strength (fc'); (2) fiber orientation of CFRP wrap (0°, 45° and +/-45°); (3) cylinder size (3" x 6", 4" x 8", 6" x 12"); (4) number of CFRP wraps (1, 3, 6); (5) wrapping height and location (top and bottom, middle); (6) degree of fabric wetting; and (7) degree of bonding …
Characterization Of Cyp2d Protein From Human Brain Cerebellum, Deepak Bhatia
Characterization Of Cyp2d Protein From Human Brain Cerebellum, Deepak Bhatia
Graduate Theses, Dissertations, and Problem Reports
To date, knowledge in characterization of CYP proteins has been limited to immunoblotting, RT-PCR, immunohistochemistry and so forth; therefore, it is the intention of this study to investigate: (1) What kind of CYP2D protein is present in brain with modern proteomic tools; (2) Whether, CYP2D6 in brain is same as the liver CYP2D6; and (3) If CYP2D7 is present, can CYP2D6 polymorphism be found in the brain?;To answer these questions, this study used a one-step method of isolation of protein by immunoprecipitation followed by its identification using 2D-blots, nanospray LCMS, immunoblots and immunohistochemistry. Probing of immunoprecipitated proteins with polyclonal CYP2D6 …
Starvation-Induced Alterations In Hepatic Lysine Metabolism In Different Families Of Rainbow Trout (Oncorhynchus Mykiss), Angela Higgins
Starvation-Induced Alterations In Hepatic Lysine Metabolism In Different Families Of Rainbow Trout (Oncorhynchus Mykiss), Angela Higgins
Graduate Theses, Dissertations, and Problem Reports
This study focused on lysine catabolism by the lysine alpha-ketoglutarate reductase (LKR) pathway in rainbow trout (RBT). Selective breeding based on feed efficiency in 2 strains (A and B) of RBT generated 2 families within each strain. Eight fish from each of the four families were randomly allotted to individual tanks. Fish were fed until satiation for 3 wks at which time four fish within each family were randomly selected for 2 wks of starvation. After the 2 wk starvation, all fish were harvested. Hepatic in-vitro LKR activity and lysine oxidation (LOX) were measured as was LKR mRNA abundance. Strain …
Automatic Hydraulic Fracturing Design For Low Permeability Reservoirs Using Artificial Intelligence, Andrei Sergiu Popa
Automatic Hydraulic Fracturing Design For Low Permeability Reservoirs Using Artificial Intelligence, Andrei Sergiu Popa
Graduate Theses, Dissertations, and Problem Reports
The hydraulic fracturing technique is one of the major developments in petroleum engineering in the last two decades. Today, nearly all the wells completed in low permeability gas reservoirs require a hydraulic fracturing treatment in order to produce at an economical level. This study presents a new methodology, applicable to tight gas reservoirs, for designing hydraulic fractures.;This study is intended to develop an automatic hydraulic fracture design tool to help users design fracture jobs without being an expert in the art and science of hydraulic fracturing. This process is composed entirely of an integration of several artificial intelligence techniques.;The methodology …
Sensitivity To Molar Contingencies Of Food Presentation, Jeffrey Everly
Sensitivity To Molar Contingencies Of Food Presentation, Jeffrey Everly
Graduate Theses, Dissertations, and Problem Reports
Twelve rats were exposed to two variable-time schedules that differed in their rates of food delivery. The "imposed" schedule was normally in effect, but lever pressing occasionally switched to the "alternate" schedule for periods averaging 30 s. Increases in food frequency afforded by switching to the alternate schedule were manipulated across conditions. All rats were exposed to the same absolute food frequency increases, but the programming of these increases was varied among the rats by holding particular food delivery rates constant across conditions. For half of the rats, the schedules were signaled. In general, response rates were directly related to …
Multi-Heuristic Theory Assessment With Iterative Selection, Kareem Ammar
Multi-Heuristic Theory Assessment With Iterative Selection, Kareem Ammar
Graduate Theses, Dissertations, and Problem Reports
Modern day machine learning is not without its shortcomings. To start with, the heuristic accuracy, which is the standard assessment criteria for machine learning, is not always the best heuristic to gauge the performance of machine learners. Also machine learners many times produce theories that are unintelligible by people and must be assessed as automated classifiers through machines. Theses theories are either too large or not properly formatted for human interpretation. Furthermore, our studies have identified that most of the data sets we have encountered are satiated with worthless data that actually leads to the degradation of the accuracy of …
Constraint-Based Facilities Planning, Tafazzul Ahmed Khan
Constraint-Based Facilities Planning, Tafazzul Ahmed Khan
Graduate Theses, Dissertations, and Problem Reports
In recent years a large variation of production volume for the mass-production products happens frequently due to the changes in technology and market. Those changes cause introduction of new products having shorter life cycles, thus enforcing modification and renewal of production facilities much earlier than their lifetime. A model was built to assess the impact of manufacturing parameters on the effectiveness of the layout and the material handling system. A relationship was developed between variations in production oriented parameters and its impact on the facility size and final cost of the product being manufactured exclusively in terms of machine time, …
Finite Element Analysis Of Interaction Between Actin Cytoskeleton And Intracellular Fluid In Prechondrocytes And Chondrocytes Subjected To Compressive Loading, Sundar Viswanathan
Finite Element Analysis Of Interaction Between Actin Cytoskeleton And Intracellular Fluid In Prechondrocytes And Chondrocytes Subjected To Compressive Loading, Sundar Viswanathan
Graduate Theses, Dissertations, and Problem Reports
Prechondrocytes exhibit a change in their actin cytoskeletal arrangement when subjected to loading. This study looks at the implications of the altered solid-fluid interactions due to this change. A 2-D Finite element model of a cell was developed. A solid-fluid interaction solution procedure was validated and used to determine fluid flow/pressure in a cell when subject to deformation. These values were then used to calculate fluid flow induced stresses on individual actin fibers. The results suggest that prechondrocytes alter their cytoskeletal structure to reduce stresses as a result of fluid flow due to deformation of the cell.
Comparison Of Chestnut Canker Treatment Procedures For Hypovirus Introduction, Brian C. Bell
Comparison Of Chestnut Canker Treatment Procedures For Hypovirus Introduction, Brian C. Bell
Graduate Theses, Dissertations, and Problem Reports
Historically, hypovirulent strains of Cryphonectria parasitica have been introduced into cankers principally by inoculating wounds made to the margin of cankers. Twelve hypovirus introduction methods were tested. Seventy-two trees were inoculated in June 2002 with an orange-pigmented virulent strain of C. parasitica (two inoculations per tree). After 11 weeks, the resulting cankers were treated with a brown-pigmented hypovirulent C. parasitica isolate using one of the following methods: (1) a non-invasive treatment where the inoculum was painted onto the canker surface; (2) an invasive treatment where the canker face was wounded with a sharp blade prior to the painting application of …
Experimental Validation Of The "Target Hood Static Pressure" Balancing Method For Exhaust Ventilation Systems, Michael Winifred Dodrill
Experimental Validation Of The "Target Hood Static Pressure" Balancing Method For Exhaust Ventilation Systems, Michael Winifred Dodrill
Graduate Theses, Dissertations, and Problem Reports
An experimental trial of a new method to balance industrial exhaust ventilation systems was performed. Although balance by design is considered preferable, many ventilation systems incorporate dampers to balance the system to a different airflow distribution after installation. The "target hood static pressure" method aims to minimize the time, effort, frustration and confusion invested in the balancing effort. It requires only one and one-half adjustment rounds, can be prepared as a computerized spreadsheet, and substitutes hood static pressure readings for airflow traverse readings. The method also minimizes the system static pressure to the least possible, thereby keeping friction losses at …
Natural Gas Exploration Associated With Fracture Systems In Alleghenian Thrust Faults In The Greenbrier Formation, Southern West Virginia, Craig A. Edmonds
Natural Gas Exploration Associated With Fracture Systems In Alleghenian Thrust Faults In The Greenbrier Formation, Southern West Virginia, Craig A. Edmonds
Graduate Theses, Dissertations, and Problem Reports
A hydrocarbon play has been identified in southern West Virginia targeting the intersection of thrust faults with specific Mississippian reservoirs. Late Paleozoic sandstone and limestone reservoirs are traditional pays of the study area, often yielding economic natural gas production, with initial production rates ranging between 100 to 200 Mcf per day per well. In contrast, production rates from wells that encounter faults often exceed 500 Mcf per day. We believe this prolific production results from secondary fracture porosity and enhanced permeability from fracture zones associated with thrust faults, providing a conduit to the Union Oolite reservoir member of the Greenbrier …
Specific Aspects Of Social Anxiety Related To Children's Peer Sociometric Status, Abby H. Friedman
Specific Aspects Of Social Anxiety Related To Children's Peer Sociometric Status, Abby H. Friedman
Graduate Theses, Dissertations, and Problem Reports
The present study examined the association between specific aspects of social anxiety and sociometric status. Participants included 268 children in grades 4, 5, and 6. The children completed the Social Anxiety Scale for Children-Revised (SASC-R) and the Social Phobia and Anxiety Inventory for Children (SPAI-C). A sociometric nomination procedure was used to categorize participants into sociometric status groups (i.e., neglected, rejected, controversial, popular, and average). Results replicated and extended previous literature. Neglected children scored the highest on both measures of social anxiety, followed by rejected children. This was one of the first investigations to associate socometric status with SPAI-C factor …
Spatial And Seasonal Variation In Brook Trout Diet, Growth, And Consumption In A Complex Appalachian Watershed, David W. Thorne
Spatial And Seasonal Variation In Brook Trout Diet, Growth, And Consumption In A Complex Appalachian Watershed, David W. Thorne
Graduate Theses, Dissertations, and Problem Reports
I quantified brook trout diet, growth, and consumption in the upper Shavers Fork watershed from May 2002--October 2003. Seven study sites were selected to represent small tributary, large tributary, and mainstem habitats within the watershed. The objectives of the study were to determine if diet, growth, and consumption in brook trout were dependent on fish size, season, and location within the watershed. Fish diets were sampled and categorized into six prey type groups to determine variability in prey composition and diet mass. Mark-recapture was used to measure growth in individual fish between sampling seasons and the growth information was then …
Geomorphic Analysis Of Stream Crossings In A Portion Of The Upper Cheat River Basin, Joshua A. White
Geomorphic Analysis Of Stream Crossings In A Portion Of The Upper Cheat River Basin, Joshua A. White
Graduate Theses, Dissertations, and Problem Reports
An inventory and analysis of culverts as vertebrate migration barriers has been completed in a relatively pristine portion of the Upper Cheat River basin, Randolph and Tucker counties, West Virginia. Investigators in four different disciplines contributed to the project, including the geomorphological research represented by this thesis. This project had an underlying purpose to assess the potential for stream mitigation credits through a possible future stream mitigation banking program.;Several conditions appear correlated with problem culvert sites. Calvin high base substratum-Belmont-Meckesville soil association is associated with the greatest amounts of instability and aggradation at culvert sites. Three-quarters of the study area …
West Virginia Coal Fly Ash Sorption Of Btex, Jerome C. Wentz
West Virginia Coal Fly Ash Sorption Of Btex, Jerome C. Wentz
Graduate Theses, Dissertations, and Problem Reports
Sorption is a term used in the environmental field to describe how chemical contaminants in soil and groundwater adhere to solid particles such as: clay, peat and activated carbon for the purposes of remediation, fate and transport. A potential surrogate for sorption of chemical contaminants in groundwater is coal fly ash. Batch test experiments have demonstrated coal fly ash's ability to remove hydrophobic, organic petroleum contaminants including: benzene, toluene, ethylbenzene and xylenes (BTEX) in groundwater through the processes of sorption. Coal fly ash is a byproduct material of coal fired power plants that is often disposed of on-site or at …
Resonant Optical Waveguide Biosensor Characterization, Shantanu Pathak
Resonant Optical Waveguide Biosensor Characterization, Shantanu Pathak
Graduate Theses, Dissertations, and Problem Reports
The importance of miniaturized sensors for quick and accurate assessments of a broad spectrum of hazardous biological agents has been highlighted by recent high profile events. Integrated optical devices based on evanescent wave interrogation techniques can register minute refractive index changes enabling detection of bioagents on the sensor surface and providing a potential for compact structure combined with a possibility of detecting several analytes simultaneously by fabricating multiple devices on the same chip. Most commonly integrated optical interrogation techniques suffer from issues of optical alignment and fabrication complexities. In addition the materials used to fabricate integrated optical devices experience drifts …
Exposures To Silica And Inducers Of Xenobiotic Metabolism In The Rat Lung, Lori A. Battelli
Exposures To Silica And Inducers Of Xenobiotic Metabolism In The Rat Lung, Lori A. Battelli
Graduate Theses, Dissertations, and Problem Reports
CYP1A1 metabolizes polycyclic aromatic hydrocarbons (PAHs), such as those in cigarettes, to reactive intermediates which interact with DNA and lead to cancer. Silica is a lung carcinogen. Epidemiology studies of silica and lung cancer are not all positive. A possible explanation for these inconsistencies may be that silica is a modifier of PAH metabolism and, thus, cigarette smoke carcinogenesis. We hypothesize that crystalline silica exposure alters CYP1A1 expression, thereby modifying lung cancer risk. Rats exposed to both crystalline silica and the model PAH, beta-naphthoflavone (NF), a CYP1A1 inducer have significantly decreased CYP1A1 enzymatic activity and CYP1A1 protein expression. In the …
Architectural Level Risk Assessment, Ahmed E. Hassan
Architectural Level Risk Assessment, Ahmed E. Hassan
Graduate Theses, Dissertations, and Problem Reports
Many companies develop and maintain large-scale software systems for public and financial institutions. Should a failure occur in one of these systems, the impact would be enormous. It is therefore essential, in maintaining a system's quality, to identify any defects early on in the development process in order to prevent the occurrence of failures. However, testing all modules of these systems to identify defects can be very expensive. There is therefore a need for methodologies and tools that support software engineers in identifying the defected and complex software components early on in the development process.;Risk assessment is an essential process …
System Identification And Control Of The Standpipe In A Cold Flow Circulating Fluidized Bed, Juchirl Park
System Identification And Control Of The Standpipe In A Cold Flow Circulating Fluidized Bed, Juchirl Park
Graduate Theses, Dissertations, and Problem Reports
Circulating fluidized beds (CFB) have been widely applied to many areas of industry such as chemical processing, petroleum refining, catalytic cracker processing, power generation, and waste treatment.;Recently, a mathematical model of the CFCFB standpipe was successfully developed and tested using an extended Kalman filter (EKF) and an Hinfinity estimator algorithm. Using this standpipe mathematical model requires a solids circulation rate (SCR) to be a measurable variable offered from a spiral installed in the standpipe of the CFCFB. In this research, a linear state space system model is developed in order to estimate the solids circulation rate, using a least squares …
Intraindividual Variability And Relations Between Daily Affect And Physical Activity Among Community -Dwelling Older Women, Jenessa C. Steele
Intraindividual Variability And Relations Between Daily Affect And Physical Activity Among Community -Dwelling Older Women, Jenessa C. Steele
Graduate Theses, Dissertations, and Problem Reports
The current study investigated individual and group-level daily relations between affect and physical activity among 37 non-sedentary community-dwelling older women. The study expected that (a) positive affect would hold a significant, positive synchronous relation with physical activity and (b) negative affect would hold a significant, negative synchronous relation with physical activity over six consecutive days. Women over age 55 (M = 71.5, SD = 9.4) participated by completing four daily assessments (8am, 12pm, 4pm, 8pm) of positive and negative affect and physical activity on a hand-held computer Monday through Saturday. Affect was measured using the Positive and Negative Affect Schedule …
What Is The Impact Of Parental Support On Early Literacy?, Deborah K. Bush
What Is The Impact Of Parental Support On Early Literacy?, Deborah K. Bush
Graduate Theses, Dissertations, and Problem Reports
Today, more than 75 percent of women ages 25--34 and 75 percent of women with a child under six years of age participate in the labor force. When both parents work outside the home, they often want to send their child to preschool, but preschool classes aren't always available, and often those that are available are the government programs that are open only to those of lower socio-economic status.;In addition, parents often want to support the emergent literacy of their children and help prepare them for kindergarten but aren't sure of how to provide the type of assistance that might …
Use Of Commercial Cfd Software For Assessing The Performance Of Personal Aerosol Samplers, Aaron J. Bird
Use Of Commercial Cfd Software For Assessing The Performance Of Personal Aerosol Samplers, Aaron J. Bird
Graduate Theses, Dissertations, and Problem Reports
Accurate performance of personal aerosol samplers is critical for industrial hygienists' successful efforts to protect workers. Performance assessments of personal samplers are necessarily conducted in controlled environments so unknown sources of variability will not influence the results. This is done in order that samplers may be used with confidence for monitoring workplace air quality. These performance evaluations are usually conducted in wind tunnels. However, recent advances in high-performance cluster computing---together with advanced flow modeling software---have made it possible to evaluate sampler performance with computer simulations. This was done in the current research. Simulations were conducted for air and particle behavior …
Modified Delphi Investigation Of Exercise Science In Physical Education Teacher Education, Sean M. Bulger
Modified Delphi Investigation Of Exercise Science In Physical Education Teacher Education, Sean M. Bulger
Graduate Theses, Dissertations, and Problem Reports
As physical education teacher educators experiment with alternative pedagogical approaches to bridge the gap between subdisciplinary theory and professional practice, the need for enhanced multi-disciplinary research and communication continues. The purpose of this study was to determine the critical exercise science competencies, and associated instructional methods, that are recommended for inclusion in the physical education teacher education undergraduate curriculum. An initial list of theoretical and applied exercise science competencies was constructed using the knowledge, skills, and abilities recommended by the American College of Sports Medicine for individuals working in the field of exercise science. The two-round, modified Delphi procedure involved …
Strength Evaluation Of Honeycomb Frp Sandwich Panels With Sinusoidal Core Geometry, An Chen
Strength Evaluation Of Honeycomb Frp Sandwich Panels With Sinusoidal Core Geometry, An Chen
Graduate Theses, Dissertations, and Problem Reports
In recent years, the demands in civil infrastructure have provided opportunities for development and implementation of Honeycomb Fiber-Reinforced Polymer (HFRP) sandwich panels, both in rehabilitation projects and new constructions.;This dissertation is the first study on strength evaluation of HFRP sandwich panels with sinusoidal core geometry. Core materials for sandwich structures are primarily subjected to out-of-plane compression and shear. Therefore, three major contributions are included in this dissertation: out-of-plane compression, out-of-plane shear, and study on facesheet laminates. Two analytical models, corresponding to pure compression and elastic buckling failure, respectively, are provided for panels subject to out-of-plane compression. The facesheet and core …