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A Parametric Study And Economic Evaluation Of Drilling Patterns In Deep, Thick Cbm Reservoirs, Ali Omran Ali Nasar
A Parametric Study And Economic Evaluation Of Drilling Patterns In Deep, Thick Cbm Reservoirs, Ali Omran Ali Nasar
Graduate Theses, Dissertations, and Problem Reports
Over the past decade, the production from unconventional reservoirs such as coalbed methane has increased dramatically. The focal driving force for this growth in coalbed methane production was the development and promulgation of reservoir engineering and completion technology.;There have been many studies performed on the well configuration and production optimization techniques in the coal seams. According to many of these studies horizontal, deviated and multi-lateral wells are of more benefits compared to the vertical wells. However, the targets of these studies have mostly been the thin coal seams while this result might not hold for the thick CBM reservoirs. The …
Alternative Modeling Of Multiply Hydraulic Fractures In Horizontal Wells Completed In Low Permeability Formation, Mahmod S. Alkalawi
Alternative Modeling Of Multiply Hydraulic Fractures In Horizontal Wells Completed In Low Permeability Formation, Mahmod S. Alkalawi
Graduate Theses, Dissertations, and Problem Reports
Many conventional gas reservoirs around the world have been developed and well-understood on contrary to unconventional gas reservoirs where the amount of information available to the public considered still not abundant. The unconventional reservoirs (tight formation) where permeability ranges from 0.001millidarciesto micro-Darcy permeability is a relatively new area in some parts of the world and the details involving ways to increase productivity of wells and best fracture design yet has to be investigated .The unconventional gas reservoirs are important in the world due to its availability, future energy demand around the world, and most conventional gas reservoirs have already been …
Modeling And Analysis Of Multiple Engine Aircraft Configurations For Fault Tolerant Control, Frederick M. Beamer
Modeling And Analysis Of Multiple Engine Aircraft Configurations For Fault Tolerant Control, Frederick M. Beamer
Graduate Theses, Dissertations, and Problem Reports
A formal framework is presented that allows for the analysis of the potential for using engine thrust control for aircraft actuator failure accommodation. Three sets of parameters have been identified as critical: number of engines and their position, engine thrust and throttle dynamics, and type and severity of the actuator failure. A mathematical model was developed that allows for the determination of the values of some of the parameters when the others are imposed such as determining the thrust control authority when the engine locations and Euler angles are known. Additionally, the engine locations can be determined when the thrust …
The Relationship Of Teachers' Perceptions Of High School Principal's Monitoring Student Progress And Student Achievement In Southeastern Ohio, T. C. Chappelear
The Relationship Of Teachers' Perceptions Of High School Principal's Monitoring Student Progress And Student Achievement In Southeastern Ohio, T. C. Chappelear
Graduate Theses, Dissertations, and Problem Reports
Principals in school buildings across this nation and perhaps throughout the world are under immense pressure to improve outcomes for all students. Recent literature suggests this accountability may be warranted, at least in part, as there is overwhelming evidence that building principals can positively impact student achievement through their behavior as effective instructional leaders. Much of the evidence for this emanates from the elementary school level. The problem is that little research exists at the high school level to examine the relationship between building principals monitoring student progress and student achievement.;This baseline study examined the relationship between teachers' perceptions of …
Discovering The Perceptions Of Pre-Service/Novice Elementary Educators Toward Health Education And Health Instruction In The Elementary Classroom, Beverly A. Michael
Discovering The Perceptions Of Pre-Service/Novice Elementary Educators Toward Health Education And Health Instruction In The Elementary Classroom, Beverly A. Michael
Graduate Theses, Dissertations, and Problem Reports
Objectives: The impact of unhealthy choices on Americans is no longer an "adult's only" issue. Health disparities previously affecting adults are appearing at ever-increasing rates in children. A strategy to address this examines the likelihood that elementary teachers act as healthy role models while providing quality health instruction. Therefore, the purpose of this study was to assess the effect of the preservice elementary teacher training experience on the potential delivery of elementary classroom health instruction by clarifying the impact of programmatic training influences on the attitudes and behavioral intent of preservice elementary educators to teach health.;Methods: A sample of 157 …
Survey Of Response-To-Intervention's Challenges For School-Based Speech-Language Pathologists, Jane D. Simmerman
Survey Of Response-To-Intervention's Challenges For School-Based Speech-Language Pathologists, Jane D. Simmerman
Graduate Theses, Dissertations, and Problem Reports
With the introduction of the No Child Left Behind Act (NCLB), speech-language pathologists (SLPs) have experienced a new focus on language and literacy within their roles and responsibilities to provide services to students. The American Speech and Hearing Association (ASHA) support the role of SLPs in literacy efforts through their policies regarding expanded roles and responsibilities for school-based SLPs. ASHA notes that school-based SLPs have a clearly defined role in Response to Intervention (RTI) based on their expertise, knowledge and training to provide services as a resource and an interventionist when appropriate. The effect of the redefined roles and responsibilities …
Dispositions In Teacher Education, Lisa Simpson
Dispositions In Teacher Education, Lisa Simpson
Graduate Theses, Dissertations, and Problem Reports
The assessment of educator dispositions has created numerous challenges for teacher education institutions. Many of the issues surrounding dispositions assessment relates to the uncertainty in determining the dispositions that are most important to address in all teacher education programs. Additionally little consideration has been given to the possibility that some dispositions may be more important to some fields of education than to others. This research is an investigation into the importance and efficacy of identified clusters of dispositions, as well as the identification of dispositions important to Health and Physical Education in comparison with those important to all areas of …
Sequence Stratigraphy, Distribution And Preservation Of Organic Carbon, And Reservoir Properties Of The Middle Devonian Marcellus Shale, Of The Central Appalachian Basin; Northern West Virginia And Southwestern Pennsylvania, Roy L. Sexton Iv
Graduate Theses, Dissertations, and Problem Reports
The Middle Devonian Marcellus Shale of the central Appalachian basin is an unconventional resource play with approximate aerial extent of 34,000,000 acres (137,000 km²), and an estimated 84 trillion cubic feet (2.4 trillion m³) of recoverable natural gas and three billion barrels of recoverable natural gas liquids. Advances in drilling and completion technology have enabled economic production of hydrocarbons from the Marcellus. Despite increased exploration and production of the formation, uncertainties remain regarding controls on spatial and stratigraphic variations in reservoir properties such as total organic carbon (TOC), mineralogic composition, and authigenic components. Additionally, there is a lack of understanding …
Effects Of Delay Order And D-Amphetamine On Delay Discounting In Rats, Shana R. Bailey
Effects Of Delay Order And D-Amphetamine On Delay Discounting In Rats, Shana R. Bailey
Graduate Theses, Dissertations, and Problem Reports
Impulsive choice is defined as choice for a smaller, more immediate reinforcer over a larger, more delayed reinforcer, whereas self-controlled choice is defined as choice for a larger, more delayed reinforcer over a smaller, more immediate reinforcer. Determinants of impulsive and self-controlled choices may be studied by employing delay-discounting procedures. When using a discrete-trials delay-discounting procedure, a difference in delay discounting as a function of order of presentation of delays to larger-reinforcer delivery was reported by one previous study, whereas another study reported no differences. In both studies, subjects had a history of exposure to both ascending and descending order …
Differentiating Faking-Good Parents From Non-Faking Parents On The Child Abuse Potential Inventory, Amanda H. Costello
Differentiating Faking-Good Parents From Non-Faking Parents On The Child Abuse Potential Inventory, Amanda H. Costello
Graduate Theses, Dissertations, and Problem Reports
Parental fitness evaluations remain common during child abuse investigations, as evidenced by the 19% of victims of maltreatment receiving an evaluation in 2007 in the United States (U.S. Department of Health and Human Services, 2009). A "best practice" approach to parental fitness evaluations consists of using a comprehensive assessment including clinical interviews, risk assessment measures, and behavioral observation (Budd, 2001; 2005). The Child Abuse Potential Inventory (CAP; Milner, 1986) is one risk assessment measure that is often used during evaluations. Unfortunately, abuse risk at pre- and post-treatment as measured by the CAP may be confounded by faking-good responding from the …
Creating Reporter Systems Within Drosophila Melanogaster, Ashley Elizabeth Banks
Creating Reporter Systems Within Drosophila Melanogaster, Ashley Elizabeth Banks
Graduate Theses, Dissertations, and Problem Reports
The objective of these projects was to generate two fluorescently based systems within Drosophila melanogaster for the advancement of molecular research. The first project was aimed to create fluorescent phosphomimetic constructs of m8, a regulator in eye formation. The second project was to create a fluorescent visual marker for heterochromatic gene silencing in Drosophila. Proper formation of the eye requires that only one cell from a group of equipotent cells assumes a neural fate (the R8 cell). The cells surrounding the R8 cell are prevented from assuming this outcome through a process known as lateral inhibition. Lateral inhibition uses the …
Training Techniques Used To Prepare National Ffa Officer Candidates For The National Ffa Officer Selection Process, Becky L. Berkebile
Training Techniques Used To Prepare National Ffa Officer Candidates For The National Ffa Officer Selection Process, Becky L. Berkebile
Graduate Theses, Dissertations, and Problem Reports
Annually every state has the opportunity to send one candidate to vie for a National FFA Officer position. Candidates spend months preparing for the national selection process where they are evaluated on eight character competencies. The purpose of this study was to look at the training and preparation methods used by candidates to prepare for the National FFA Officer Selection process. The target populations for the study were candidates who competed for a National Office over the last five years from 2006-2010 and State Agriculture Education Supervisors. Data were collected via an online questionnaire. The candidate population consisted of 115 …
Systematics, Phylogenetics, And Biogeography Of Early Mississippian Camerate Crinoids Of The Nunn Member, Lake Valley Formation, In South-Central New Mexico, Elizabeth C. Rhenberg
Systematics, Phylogenetics, And Biogeography Of Early Mississippian Camerate Crinoids Of The Nunn Member, Lake Valley Formation, In South-Central New Mexico, Elizabeth C. Rhenberg
Graduate Theses, Dissertations, and Problem Reports
The Lake Valley Formation has long been known for the crinoids that are abundant in the formation. The crinoids were noted in the first descriptions of the formations in the late 1800's, but there has never been a comprehensive study done on the crinoids and as a result there is no complete list of crinoids that existed in south-central New Mexico during the Early Mississippian. Although all subclasses of crinoids are found in the Nunn Member, it is the camerate crinoids that dominate the fauna and will be the focus of this study. Most of the specimens studied came from …
Response Elimination, Reinforcement Rate And Resurgence Of Operant Behavior, Carlos Renato Xavier Cancado
Response Elimination, Reinforcement Rate And Resurgence Of Operant Behavior, Carlos Renato Xavier Cancado
Graduate Theses, Dissertations, and Problem Reports
The effects of reinforcement rates of alternative responding on resurgence were studied in six experiments with pigeons. In Experiment 1A, key pecking was maintained on a multiple variable-interval (VI) VI schedule during the first, Training, phase. In the second, Response-Elimination, phase, variable differential-reinforcement-of-other-behavior (DRO) schedules were in effect in each component and reinforcement rates were equal and then, higher in one (rich) component, and lower in the other (lean), than in the Training phase. In the third, Resurgence, phase, reinforcers were discontinued and more resurgence occurred in the lean than in the rich component. Differences in Training-phase response rates between …
Land Use Pressure And Climate Impacts On Fire Regimes And Forest Regeneration In The Upper Tuul River Watershed, Mongolia, Thomas M. Saladyga
Land Use Pressure And Climate Impacts On Fire Regimes And Forest Regeneration In The Upper Tuul River Watershed, Mongolia, Thomas M. Saladyga
Graduate Theses, Dissertations, and Problem Reports
This dissertation is composed of three chapters addressing the broad issues of land use, climate variability, and wildfire in central Mongolia. The first chapter describes a GIS model developed to map human impacts in the Upper Tuul River watershed. Forest establishment data were used to validate the application of the model with results indicating a high level of correspondence with a field assessment of human disturbance. Chapter two is a tree-ring based reconstruction of Palmer Drought Severity Index (PDSI) for the central Khan Khentii Mountains from 1675-2000. Changes in moisture availability were more frequent during the 20th century than any …
Characterization Of The Pharmacological Effects Of Digitoxin On Lung Epithelial Cells, Hosam Abdelmonaim Elbaz
Characterization Of The Pharmacological Effects Of Digitoxin On Lung Epithelial Cells, Hosam Abdelmonaim Elbaz
Graduate Theses, Dissertations, and Problem Reports
Lung diseases (excluding cancer) account for 9% of all disease related mortalities while lung cancer accounts for 30% of cancer related mortalities. Therapeutic maneuvers, as surgery are usually unfeasible given the extreme vitality of the lung. Developing novel therapeutic alternatives for lung cancer requires a thorough understanding on the lung epithelial cell behavior following exposure to drugs. The goal of this dissertation was to examine how molecular and cellular characteristics, such as morphology and cell viability, of lung cancer cells will be altered upon exposure to digitoxin, a cardiac glycosides (CGs) and a digitoxin synthetic analog. CGs are a large …
Vascular Consequences Of Metabolic Syndrome Related Shifts In Cyclooxygenase Mediated Arachidonic Acid Metabolism, Adam G. Goodwill
Vascular Consequences Of Metabolic Syndrome Related Shifts In Cyclooxygenase Mediated Arachidonic Acid Metabolism, Adam G. Goodwill
Graduate Theses, Dissertations, and Problem Reports
The metabolic syndrome is a multi-faceted disease state in which the initial pathology of obesity leads to the development of a cadre of comorbidities including, but not limited to, atherogenic dyslipidemia, a prothrombotic state, a proinflammatory state, a pro-oxidant state, hypertension and type II diabetes mellitus. The prevalence of obesity is drastically increasing both nationally and globally, indicating that understanding obesity related disease is more relevant now then ever before. The metabolic syndrome has been demonstrated to result in numerous deleterious consequences for afflicted individuals, not the least of which is peripheral vascular disease. While the study of peripheral vascular …
Gis Assisted Problem Analysis Of Trail Erosion In Monongahela National Forest, Steven J. Storck
Gis Assisted Problem Analysis Of Trail Erosion In Monongahela National Forest, Steven J. Storck
Graduate Theses, Dissertations, and Problem Reports
This research investigates the frequency and patterns of trail erosion on purposefully selected natural surface trails in Monongahela National Forest. Trail erosion is considered a non-self-limiting process which degrades trail beds making them unattractive, difficult to travel on, and has the potential to impact local streams with the introduction of silt. Recreation ecology research delineates factors which influence the rate of erosion on a trail into three broad categories: recreational use, environmental conditions, and managerial actions. This study tests the relationship of variables from each of these categories to the local patterns of erosion. Three sampling strategies are used to …
Characterization Of M-Cadherin's Role In Regulating Apoptosis And Myogenic Differentiation Of Myoblasts By Interacting With Key Components Of Canonical Wnt Signaling, Yan Wang
Graduate Theses, Dissertations, and Problem Reports
Activation, proliferation, and differentiation of satellite cells are the basic means for adult muscle regeneration. Apoptosis is concurrent to differentiation of satellite cells and dysregulated apoptosis contributes to the occurrence and progression of certain muscular dystrophies. This study investigated the role of M-cadherin-mediated signaling in regulating apoptosis versus survival of myoblasts during the process of myogenic differentiation. Inhibition of M-cadherin expression by RNAi (RNA interference) in confluent C2C12 myoblasts sensitized the cells to mitochondria-associated intrinsic apoptosis induced by either cell confluence or serum starvation. Manipulation of M-cadherin signaling regulated the Glycogen Synthase Kinase-3beta (GSK-3beta) activity via phosphoinositide-3 kinase (PI3K)/Akt pathway. …
Mesozoic Tectonic History And Geochronology Of The Kular Dome, Russia And Bendeleben Mountains, Seward Peninsula, Alaska, Daniel B. Harris
Mesozoic Tectonic History And Geochronology Of The Kular Dome, Russia And Bendeleben Mountains, Seward Peninsula, Alaska, Daniel B. Harris
Graduate Theses, Dissertations, and Problem Reports
The tectonic history responsible for formation of the major basins of the Arctic and movement of landmasses surrounding these basins remains unclear despite multidisciplinary efforts. Most studies focus on one of four potential movement pathways of the Arctic Alaska-Chukotka microplate during the Mesozoic and the relationship between this movement and formation of the Amerasian Basin. Due to difficulty in access and harsh climate of the Arctic Ocean, most geological studies focus on landmasses surrounding the Amerasian Basin. For this reason, we have conducted research in the Kular Dome of northern Russia and the Bendeleben Mountain Range of the Seward Peninsula, …
A Statistical Approach For Shadow Detection Using Spatio-Temporal Contexts, Yiyang Liu
A Statistical Approach For Shadow Detection Using Spatio-Temporal Contexts, Yiyang Liu
Graduate Theses, Dissertations, and Problem Reports
Background subtraction is an important step used to segment moving regions in surveillance videos. However, cast shadows are often falsely labeled as foreground objects, which may severely degrade the accuracy of object localization and detection. Effective shadow detection is necessary for accurate foreground segmentation, especially for outdoor scenes. Based on the characteristics of shadows, such as luminance reduction, chromaticity consistency and texture consistency, we introduce a nonparametric framework for modeling surface behavior under cast shadows. To each pixel, we assign a potential shadow value with a confidence weight, indicating the probability that the pixel location is an actual shadow point. …
Modeling And Flight Testing Of Differential Thrust And Thrust Vectoring On A Small Uav, Zachary J. Merceruio
Modeling And Flight Testing Of Differential Thrust And Thrust Vectoring On A Small Uav, Zachary J. Merceruio
Graduate Theses, Dissertations, and Problem Reports
The primary objectives of this research are to mathematically model the propulsion forces applied to the aircraft during nominal, differential thrust, and thrust vectored flight configurations, and verify this modeling through simulation and flight testing experiments. This thesis outlines the modeling process, simulator development, design, and implementation of a propulsion assisted control system for the WVU Flight Control Systems Lab (FCSL) research aircraft. Differential thrust and thrust vectoring introduce additional propulsive terms in the aircraft force equations that are not present when the thrust line passes through the center of gravity. These additional forces were modeled and incorporated into a …
Avian Assemblages And Red-Eyed Vireo Nest Survival Within Mineland Forest, Jeremy Mizel
Avian Assemblages And Red-Eyed Vireo Nest Survival Within Mineland Forest, Jeremy Mizel
Graduate Theses, Dissertations, and Problem Reports
Since the passage of the Surface Mining Control and Reclamation Act (SMCRA) in 1977, mined lands have generally been reclaimed to an environment characterized by severely compacted minesoils, a growth medium comprised largely of unweathered materials, and a predominance of aggressive groundcovers that inhibit native species colonization. Under these conditions, succession is arrested. Within landscapes that are fragmented by traditionally reclaimed surface mines, forest patches are smaller and forest cover on the landscape scale is reduced. As a result, forest songbirds that require large, continuous blocks of forest are negatively affected.;Some pre-SMCRA abandoned minelands contain areas of uncompacted minesoils on …
Iris Recognition: Robust Processing, Synthesis, Performance Evaluation And Applications, Jinyu Zuo
Iris Recognition: Robust Processing, Synthesis, Performance Evaluation And Applications, Jinyu Zuo
Graduate Theses, Dissertations, and Problem Reports
The popularity of iris biometric has grown considerably over the past few years. It has resulted in the development of a large number of new iris processing and encoding algorithms. In this dissertation, we will discuss the following aspects of the iris recognition problem: iris image acquisition, iris quality, iris segmentation, iris encoding, performance enhancement and two novel applications.;The specific claimed novelties of this dissertation include: (1) a method to generate a large scale realistic database of iris images; (2) a crosspectral iris matching method for comparison of images in color range against images in Near-Infrared (NIR) range; (3) a …
Efficient Design Of Biological Experiments For Dose-Response Modeling In Nanomaterial Toxicology Studies, Kai Wang
Graduate Theses, Dissertations, and Problem Reports
This thesis is concerned with developing two-stage Bayesian optimum design procedure in nanotoxicology with simulation experiments. The proposed design method adopts suitable nonlinear dose response curve and non-constant variance model in experimental modeling, which more adequately represents the desirable properties of bioassay-experiment. A multiple objective genetic algorithm were used to select best set of non-dominated experiments on Pareto front. The proposed approach has been shown to provide better design than traditional experiment method in terms of D-optimum design and A-optimum design.
Sequence Stratigraphy, Depositional Environments, And Regional Mapping Of The Late Devonian Interval, Upper Three Forks Formation, Sanish Member, And Lower Bakken Shale, U.S. Portion Of The Williston Basin, Steven A. Sesack
Graduate Theses, Dissertations, and Problem Reports
Cores of the Late Devonian upper Three Forks, Sanish, and lower Bakken units from eight wells were examined and described at the North Dakota core depository. Core descriptions, wireline log correlation and mapping, and X-ray diffraction (XRD) data were integrated to recognize seven facies: The Three Forks D and the (600-900API) lower Bakken Shale, four facies belonging to the Sanish, and a basal siltstone facies assigned to the Lower Bakken. Facies identified were then grouped into separate systems tracts based on the identification of several significant sequence stratigraphic surfaces.;The four facies identified in the Sanish include: Facies A, a dolomitic …
Development Of Soil Lead And Tree-Ring Methods For Characterizing Atmospheric Deposition Gradients And Subsequent Tree Growth Responses, Bradley P. Breslow
Development Of Soil Lead And Tree-Ring Methods For Characterizing Atmospheric Deposition Gradients And Subsequent Tree Growth Responses, Bradley P. Breslow
Graduate Theses, Dissertations, and Problem Reports
Atmospheric deposition of pollutants and nutrients can have a range of effects on aquatic and terrestrial ecosystems. Despite its ecological importance, it remains a challenge to model patterns of deposition across complex terrain and also to assess how forest ecosystems are reacting to chronic inputs of atmospheric deposition. I measured the lead (Pb) content of forest soils adjacent to atmospheric deposition monitoring stations throughout the central Appalachian Mountains to examine how well patterns of soil Pb relate to regional patterns of inorganic nitrogen (N) deposition. While I found no significant relationship between organic soil Pb content and N deposition, I …
Distributed Monte Carlo Simulation, Aruna Sri Bommagani
Distributed Monte Carlo Simulation, Aruna Sri Bommagani
Graduate Theses, Dissertations, and Problem Reports
Monte Carlo simulation is an effective way to analyze models of sophisticated problems, but often suffers from high computational complexity. Distributed computing is an effective technology that can be used for compute-intensive applications, such as Monte Carlo simulation. The goal of this thesis is to combine the concepts of Monte Carlo simulation and distributed computing in an effort to develop an efficient system capable of rapidly executing computationally-demanding simulations.;When distributed computing is used to support the simulations of multiple users, a scheduling algorithm is required to allocate resources among the users' jobs. In this thesis, a scheduling algorithm is developed …
Relationships Among The Personal Fable, Drug Use And Parental Monitoring In Adolescents And Young Adults, Xin Liu
Graduate Theses, Dissertations, and Problem Reports
Relationships among the personal fable, drug use and parental monitoring in adolescents and young adults were tested in this study. Participants were 56 students, with 25 from a small, suburban area in southern Michigan, and 32 from West Virginia University (87.5 % female, 94.6% Caucasian). Participants completed questionnaires about demographics, the personal fable, parental monitoring and drug use in an online survey. Results showed that there was a negative correlation between parental monitoring and youth drug use, but no correlation between the personal fable and drug use. There was some evidence that the personal fable had a moderated effect on …
Identity And Self -Efficacy Development Of Adolescents In An Adult Sponsored Volunteer Program, Amanda Webster
Identity And Self -Efficacy Development Of Adolescents In An Adult Sponsored Volunteer Program, Amanda Webster
Graduate Theses, Dissertations, and Problem Reports
The purpose of this study was to fill a current gap in the literature on the impacts of adolescents' participation in adult sponsored volunteer programs on identity formation and self-efficacy. Data were collected from 28 adolescents in grades 7-12 enrolled in an 11-week summer adult sponsored volunteer program. Participants completed pre-and posttest measures that included the Identity Style Inventory-Grade 6 (ISI-6G), the fidelity subscale of the Psychosocial Inventory of Ego Strength (PIES), and the General Self-Efficacy Scale. The current study proposed five hypotheses: (1) adolescents who participate in an adult sponsored volunteer program will have higher levels of the informational …