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Field Development Strategies For Bakken Shale Formation, Saeed Zargari
Field Development Strategies For Bakken Shale Formation, Saeed Zargari
Graduate Theses, Dissertations, and Problem Reports (ETD)
Bakken shale has been subjected to more attention during the last decade. Recently released reports discussing the high potential of the Bakken formation coupled with advancements in horizontal drilling, increased the interest of oil companies for investment in this field. Bakken formation is comprised of three layers. In this study upper and middle parts are the core of attention. Middle member which is believed to be the main reserve is mostly a limestone and the upper member is black shale. The upper member plays as a source and seal which has been subject to production in some parts as well.;In …
Enabling Hcci Combustion Of N-Heptane Through Thermo-Chemical Recuperation, Francisco Posada Sanchez
Enabling Hcci Combustion Of N-Heptane Through Thermo-Chemical Recuperation, Francisco Posada Sanchez
Graduate Theses, Dissertations, and Problem Reports (ETD)
Concerns over air quality, environmental regulatory requirements and the need for reducing fuel consumption on conventional internal combustion engines (ICE) have motivated the development of alternative combustion processes for ICE. One alternative, homogeneous charge compression ignition (HCCI), has shown benefits of high efficiency with low NOx emissions, but suffers load range limitations and control issues. An increase in equivalence ratio at constant speed changes the combustion timing relative to top dead center (TDC), and also increases the pressure rise rate. The opposite occurs if the equivalence ratio is reduced, delaying the combustion timing with respect to TDC and reducing the …
An Annotated Bibliography Of Music Composed By Heinz Holliger For The Oboe, Oboe D'Amore, Or English Horn, Matthew Allen Ward
An Annotated Bibliography Of Music Composed By Heinz Holliger For The Oboe, Oboe D'Amore, Or English Horn, Matthew Allen Ward
Graduate Theses, Dissertations, and Problem Reports (ETD)
This annotated bibliography is intended to serve as a resource for those musicians seeking any compositions composed by Heinz Holliger for the oboe, oboe d'amore, or English horn for performance, pedagogical, or research-related purposes. This bibliography is a current listing of all published and unpublished compositions written for these instruments by Holliger as of March 2010. Twenty-four annotations provide information on performance-related criteria such as the year of completion, publisher, instrumentation, movements and titles, text and translation, available historical information, timing, difficulty, range, and extended techniques. Also included is a description and discussion of all the extended techniques that appear …
Laboratory And Real-World Measurement Of Diesel Particulate Matter, Yuebin Wu
Laboratory And Real-World Measurement Of Diesel Particulate Matter, Yuebin Wu
Graduate Theses, Dissertations, and Problem Reports (ETD)
West Virginia University's Center for Alternative Fuels, Engines, and Emissions (CAFEE) has designed and constructed, with support from the U.S. Department of Energy (DOE), the 'next level' transportable dual-primary full-flow dilution tunnel emissions-measurement laboratory. As one of the major contributors, the author participated in the design and the fabrication processes of this laboratory. A systematic SimulinkRTM model was built for the Particulate Matter (PM) sampling system and a parametric study of the PM system was performed. Modeling of gas chemical composition, mass and heat transfer, as well as modeling of the primary and the secondary tunnels, were conducted with this …
Evaluating The Effects Of The Blennerhassett Island Bridge Crossing (Ohio River) On Soil, Vegetation, And Wildlife, Joshua Allen Vance
Evaluating The Effects Of The Blennerhassett Island Bridge Crossing (Ohio River) On Soil, Vegetation, And Wildlife, Joshua Allen Vance
Graduate Theses, Dissertations, and Problem Reports (ETD)
Corridor D was one of the original 23 highway corridors selected by the Appalachian Highway Development System in 1965 and stretches from Bridgeport, West Virginia to Cincinnati, Ohio. The last piece of Corridor D to be completed was the Blennerhassett Island Bridge which crosses over the Ohio River and Blennerhassett Island near Parkersburg, West Virginia and Belpre, Ohio. The Blennerhassett Island Bridge is a tied-arch style bridge about 1,220 m in length and 24 m above the ground and water surface. Construction of the bridge began in March 2005 and the bridge was opened to the public in June 2008. …
Using Environmental And Site-Specific Variables To Model Current And Future Distribution Of Red Spruce (Picea Rubens Sarg.) Forest Habitat In West Virginia, Nathan R. Beane
Graduate Theses, Dissertations, and Problem Reports (ETD)
Red spruce forests are a remnant ecosystem from the interglacial period of the Wisconsin glaciation and today are considered one of the most threatened forest ecosystems in the eastern United States. The extent of red spruce forests in West Virginia prior to exploitative logging which occurred from 1880--1920 is estimated at 190,000 ha, but today, these forests are estimated to occupy no more than 24,000 ha, resulting primarily from intense anthropogenic disturbances. With the extensive loss of presettlement habitat for red spruce in West Virginia, this species is a high priority for restoration, as these forests offer the unique habitat …
Understanding Plasmas Through Ion Velocity Distribution Function Measurements, Saikat Chakraborty Thakur
Understanding Plasmas Through Ion Velocity Distribution Function Measurements, Saikat Chakraborty Thakur
Graduate Theses, Dissertations, and Problem Reports (ETD)
This work concerns measurements of ion velocity distribution functions (IVDF) using three different diagnostic techniques in expanding argon plasmas generated by two different helicon plasma sources. A theoretical prediction by Lieberman et al., of enhanced upstream ionization by electrons accelerating upstream, due to the formation of a stable electrostatic current-free double layer (DL) in an expanding plasma, was verified through laser induced fluorescence (LIF) and retarding field energy analyzer (RFEA) measurements of the IVDF and Langmuir probe measurements of the plasma density. Keeping all other external source parameters constant and varying only the operating frequency of the helicon source HELIX, …
A Comprehensive Simulation Model For Floating Gate Transistors, Steven Joseph Rapp
A Comprehensive Simulation Model For Floating Gate Transistors, Steven Joseph Rapp
Graduate Theses, Dissertations, and Problem Reports (ETD)
Floating-gate transistors have proven to be extremely useful devices in the development of analog systems; however, the inability to properly simulate these devices has held back their adoption. The objective of this work was to develop a complete simulation model for a floating-gate (FG) MOSFET using both standard SPICE primitives and also MOSFET models taken directly from foundry characterizations. This new simulation model will give analog designers the ability simulate all aspects of floating-gate device operation including transient, AC and DC characteristics. This work describes the development of this model and demonstrates its use in various applications.
The Politics And Policy Of Small City Downtown Development, Thomas K. Bias
The Politics And Policy Of Small City Downtown Development, Thomas K. Bias
Graduate Theses, Dissertations, and Problem Reports (ETD)
Many theories on successful small city development and revitalization efforts hinge on three major areas; Policies and programs, quality of life, and strong coalitions between government, non-profit groups, local business, and residents. This dissertation examines the affects that government policies and programs (e.g., Main Street programs, zoning laws, etc.) have on the success of small city development and revitalization efforts. Using original survey data from a sample of key small city policy makers across the United States, this dissertation explores how perceptions of small city downtowns are influenced by government efforts to improve them. Regression analysis is employed to determine …
Effectiveness Of Cetylpyridinium Chloride, Chlorhexidine Gluconate, Chlorine Dioxide, And Essential Oils Against F. Nucleatum, P. Gingivalis, S. Mutans And S. Sobrinus---A Biofilm Approach, Kristafer Lee Adkins
Effectiveness Of Cetylpyridinium Chloride, Chlorhexidine Gluconate, Chlorine Dioxide, And Essential Oils Against F. Nucleatum, P. Gingivalis, S. Mutans And S. Sobrinus---A Biofilm Approach, Kristafer Lee Adkins
Graduate Theses, Dissertations, and Problem Reports (ETD)
Results of evaluating chemotherapeutic effectiveness have focused on planktonic, two-dimensional bacterial existence. Biofilms exist as three-dimensional structures which shelter bacteria deep within. Current research is needed to evaluate the effectiveness of various chemotherapeutics against bacteria residing inside of a biofilm. In order to do so, this study evaluated the effectiveness of four common chemotherapeutics (cetylpyridinium chloride, chlorhexidine gluconate, chlorine dioxide, and essential oils) against four bacteria (S. mutans, S. sobrinus, F. nucleatum and P. gingivalis) in both planktonic and biofilm modeled culture media. Data was obtained through the measurement of zones of inhibition (ZOI) surrounding test discs placed on experimental …
A Study And Performance Analysis Of Selected Art Songs By Un-Yeong Na, Min Sue Kim
A Study And Performance Analysis Of Selected Art Songs By Un-Yeong Na, Min Sue Kim
Graduate Theses, Dissertations, and Problem Reports (ETD)
Korea's history spans over 5,000 years. A rich culture of Korean arts developed through the foresight and vision of Korean nobility and the artistic "underground" during periods of occupation. Korea was exposed to Western cultural influences beginning with the arrival of American Christian missionaries in the mid-19th century and the Japanese invasion and occupation (1910-1945). During the Japanese colonial period, the Korean people were forced to accept new cultural ideas including new forms and styles of music. After the emancipation from Japan, music in Korea was already becoming settled in the Western music system. Some composers who were active during …
A Degradation Model For Solid Oxide Fuel Cell Anodes Due To Impurities In Coal Syngas, Fatma Nihan Cayan
A Degradation Model For Solid Oxide Fuel Cell Anodes Due To Impurities In Coal Syngas, Fatma Nihan Cayan
Graduate Theses, Dissertations, and Problem Reports (ETD)
Solid Oxide Fuel Cells (SOFCs) offer great promise as a clean and efficient alternative to conventional power generation technologies. A major advantage of SOFCs in comparison to other fuel cell types is that they can be operated directly on a wide variety of fuels including biogas, hydrocarbon fuels and coal-derived synthesis gas (syngas). SOFC operating on coal syngas is an especially attractive prospect given the abundant coal resources in the world. However, coal syngas usually contains various impurities such as phosphorus, arsenic, zinc, sulfur, mercury, selenium, and vanadium which affect the performance and durability of SOFCs. At low impurity concentrations, …
The Perceived Role Competencies And Qualifications Of Newly Hired Novice And Experienced Nurse Educators In Prelicensure Registered Nurse Programs: A Regional Study, Denice H. Kirchoff
The Perceived Role Competencies And Qualifications Of Newly Hired Novice And Experienced Nurse Educators In Prelicensure Registered Nurse Programs: A Regional Study, Denice H. Kirchoff
Graduate Theses, Dissertations, and Problem Reports (ETD)
The health care profession is faced with a well publicized shortage of registered nurses. This shortage is accompanied by a declining number of nurse educators who are needed to prepare individuals entering the field. Factors recognized to be related to the educator shortage are the heavy workload and academic demands that immediately confront the new educator. Faculty members have reported feeling overwhelmed and uncertain of their decision to enter academia. Moreover, nurse educators enter into the profession with varying educational backgrounds which pose challenges to their respective nursing program to develop their entry level needs.;The purpose of the study was …
A Novel Global Pattern Recognition Algorithm, Joseph M. Stoffa
A Novel Global Pattern Recognition Algorithm, Joseph M. Stoffa
Graduate Theses, Dissertations, and Problem Reports (ETD)
The background, development, performance assessment, and analysis of a novel pattern recognition algorithm that is applicable to any set of binary images are discussed. The efficacy of the algorithm when applied to the problem of fingerprint recognition is quantified. The conclusion was that the algorithm is relatively poor as a fingerprint identification algorithm, averaging an equal error rate of approximately 19% as calculated by the rules specified in the Year 2000 Fingerprint Verification Competition. The positive attributes of the algorithm were its ultra-fast matching times, orientation independence, lack of rejection events, relative insensitivity to resolution difference, and one-way transformations. The …
The Effect Of Omega-3 Polyunsaturated Fatty Acids Derived From Various Sources On Bone Metabolism In Growing Female Rats, Robin E. Lukas
The Effect Of Omega-3 Polyunsaturated Fatty Acids Derived From Various Sources On Bone Metabolism In Growing Female Rats, Robin E. Lukas
Graduate Theses, Dissertations, and Problem Reports (ETD)
Bone loss may be lessened if bone mass and strength are increased by optimizing nutrition intervention. Omega-3 polyunsaturated fatty acids (o-3 PUFAs) have been suggested to improve bone mineralization and microarchitecture by affecting mineral balance and lipid peroxidation. However, the sources of the o-3 PUFA differ in the types of o-3 PUFA, ratios, and structural form. Therefore, the study objective was to determine the effect of o-3 PUFAs from different sources on bone mineral and microarchitecture and explore potential associations. Growing (28 day) female Sprague-Dawley rats were randomly assigned (n=10/group) to a high fat 12% (weight) diet consisting of either …
Nanofabrication Of Optofluidic Photonic Crystal Resonators For Biosensing, Henry Bolivar Andagana Junta
Nanofabrication Of Optofluidic Photonic Crystal Resonators For Biosensing, Henry Bolivar Andagana Junta
Graduate Theses, Dissertations, and Problem Reports (ETD)
Advances in nanofabrication have made possible the development of novel nanophotonics based on Photonic Crystal (PhC) structures. Different types of biosensors have been proposed to take advantage of the unique optical properties of PhCs, which, when combined with microfluidics, provide an enabling approach for biomolecule analysis. In this thesis, nanofabrication of a new biosensor structure integrating a 2D PhC nanocavity resonator with an optofluidic channel is described. The recipes for e-beam lithography of PhC and PhC nanocavity patterns were optimized by carefully tuning the e-beam dose as well as control of the resist baking and development conditions. Two PhC fabrication …
Perceptions Of West Virginia Beef Cattle Producers On Preparedness For An Agroterrorism Attack, Rebecca Laura Ours
Perceptions Of West Virginia Beef Cattle Producers On Preparedness For An Agroterrorism Attack, Rebecca Laura Ours
Graduate Theses, Dissertations, and Problem Reports (ETD)
Biosecurity is a measure that can help protect beef producers from financial loss associated with an agroterrorism attack. This study sought to determine West Virginia beef producers' perceptions of the potential for agroterrorism and what biosecurity measures they practice. A mailed questionnaire was sent to a sample population of 355 beef producers, with a response rate of 47.7%. Beef producers in West Virginia agreed that agroterrorism could happen in the United States and in West Virginia; however, the majority did not feel it would happen on their farms. A majority of the respondents indicated they would attend a program on …
Evaluation Of Reforestation Efforts On Two Reclaimed Surface Mines In West Virginia, Curtis A. Delong
Evaluation Of Reforestation Efforts On Two Reclaimed Surface Mines In West Virginia, Curtis A. Delong
Graduate Theses, Dissertations, and Problem Reports (ETD)
Coal mining has disturbed approximately 2.4 million hectares (6 million acres) since 1930 in the United States. West Virginia is located in the Eastern Coal Region where surface mining has disturbed large areas of eastern deciduous forest. As coal operators and land owners are moving toward restoring forests on mined lands, techniques are being developed and tested to increase tree survival and growth to ensure disturbed land is converted back to forest in a timely fashion. This study was implemented to provide additional scientific data on the implementation of these techniques especially related to substrate selection. The objectives of this …
Emotional Intelligence And Facial Affect Recognition Among College Psychopaths Versus Controls, Rebecca L. Schwartz
Emotional Intelligence And Facial Affect Recognition Among College Psychopaths Versus Controls, Rebecca L. Schwartz
Graduate Theses, Dissertations, and Problem Reports (ETD)
This study had two purposes: to replicate research on facial affect recognition and to test for differences in emotional intelligence abilities between a college psychopathic and controls population. Two groups were formed based on Psychopathy Personality Inventory-Revised scores with the college psychopathic group scoring above the 75% cut off, and the controls below the 50% cut off. Forty-two college students completed questionnaires including a demographic questionnaire, the Psychopathy Personality Inventory-Revised, the Bar-On EQ-i, and the Illegal Behavior Checklist. They also completed a facial affect recognition task. There were no significant differences between the psychopathic group and the control group on …
Dissociating The Reinforcing And Discriminative Roles Of A Warning Signal In A Free-Operant Avoidance Situation, Bobby E. Phillips
Dissociating The Reinforcing And Discriminative Roles Of A Warning Signal In A Free-Operant Avoidance Situation, Bobby E. Phillips
Graduate Theses, Dissertations, and Problem Reports (ETD)
The two-factor theory of avoidance behavior predicts that a warning signal that precedes shock will have an aversive function, and if this is true then presenting a warning signal contingent upon a response should punish that response. In the present study, rats responded in a two-component multiple schedule of free-operant shock avoidance. Both components used a response-shock (RS) interval of 30 s, and a shock-shock (SS) interval of 5 s. A distinct warning signal was presented in each component, and signals differed primarily in terms of their respective durations. In one component, the signal appeared 29 s before RS shocks, …
Prediction For Resolution Time Of Software Defect, Da Wang
Prediction For Resolution Time Of Software Defect, Da Wang
Graduate Theses, Dissertations, and Problem Reports (ETD)
In practical software development projects, solving test issues efficiently during Software Development Life Cycle is critical to release software products on time. Different test environments, test resources and test requirements could result in different outcomes. Therefore, getting accurate prediction of the software defects' resolution time could be beneficial to the practical projects.;In our study, data mining techniques offer great promise in prediction of software defects' resolution time. Our research is conducted based on the NASA Metrics Data Program (MDP). We first calculate the resolution time for available projects. Using unsupervised discretization methods, we split resolution time into certain interval as …
An Exploration Of The Spatial Distribution Of National Park Units, Daniel Servian
An Exploration Of The Spatial Distribution Of National Park Units, Daniel Servian
Graduate Theses, Dissertations, and Problem Reports (ETD)
National Parks can reveal a glimpse into significant aspects of a culture. Visiting and experiencing a National Park can open a window into a culture's heritage, intellectual philosophy, triumphs, and sorrows. As of 2009, the National Park Service administered 393 National Park units, located across America and its territories. The purpose of this paper is to spatially investigate the National Park designation process. Examination of the trends and patterns within the National Park designation process required computation of the data via exploratory data analysis (EDA) and exploratory spatial data analysis (ESDA). This analysis will illustrate significant clusters and correlation between …
Hydrologic Soil Grouping Determination For Appalachian Minesoils, Anthony Willard
Hydrologic Soil Grouping Determination For Appalachian Minesoils, Anthony Willard
Graduate Theses, Dissertations, and Problem Reports (ETD)
The hydrologic soil group refers to the infiltration potential of the soil after prolonged wetting. This classification system separates soils into four hydrologic groups (A, B, C, and D), based upon the intake and transmission of water under conditions of maximum yearly wetness. Group A has the lowest runoff potential and D the highest. Several soil properties are used to determine the hydrologic soil groupings. In the study of the hydrologic soil nature, soil properties that affect infiltration, such as bulk density, porosity and texture, should be considered. Associated factors that affect infiltration in the field are slope and vegetation. …
Subsurface Stratigraphy And Petrophysical Analysis Of The Middle Devonian Interval, Including The Marcellus Shale, Of The Central Appalachian Basin; Northwestern Pennsylvania, Anne Yanni
Graduate Theses, Dissertations, and Problem Reports (ETD)
In the central Appalachian basin, the multiple organic-rich intervals of the Middle Devonian, including the Marcellus Shale, are an emerging large resource play with high economic potential (estimated 1,307 trillion cubic feet of recoverable gas). This resource play was evaluated by examining the patterns of organic-richness, lithology, stratigraphic distribution, and other depositional characteristics. Using logs from wells throughout northwestern Pennsylvania (940 wells) integrated with core data, the subsurface lithostratigraphic boundaries were defined and correlated for the Marcellus and associated units throughout the study area.;Past studies of the Middle Devonian interval have not rigorously defined the lithostratigraphic boundaries in the subsurface …
Development And Evolution Of Higher Brain Centers In Insects, Xiangyi Zhao
Development And Evolution Of Higher Brain Centers In Insects, Xiangyi Zhao
Graduate Theses, Dissertations, and Problem Reports (ETD)
Brain structures within an individual can change during development through modification of individual neuron morphology together with alteration of neuron numbers. Differences in the same or analogous brain structures from different species can reflect behavioral pattern variation among these species fixed by natural selection. This study used insects from two different taxonomic groups to address such brain structure changes at these two time scales: developmental and evolutionary. Mushroom bodies, as an integrative sensory center involved in learning and memory in insects, were the main structure surveyed to illustrate changes in higher brain centers in both projects. In the developmental study, …
Mechanisms Of Tungsten Carbide-Cobalt Nanoparticle-Induced Angiogenesis, Yingxue Zhu
Mechanisms Of Tungsten Carbide-Cobalt Nanoparticle-Induced Angiogenesis, Yingxue Zhu
Graduate Theses, Dissertations, and Problem Reports (ETD)
Hard metal or cemented carbide consists of a powder mixture of 80 to 90% of tungsten carbide (WC) and 5 to 10% of metallic cobalt (Co). Nanoparticles are engineered structures with one dimension of at least 100 nanometers or smaller. The small size results in properties that may be substantially different from particles of the same composition in the micrometer scale. It has been demonstrated that the inhalation of hard metal particles may cause an interstitial pulmonary disease and lung cancer, the mechanism of which involves an interaction between Co and WC particles, the generation of reactive oxygen species, and …
Three Essays On Caps Market And Unspanned Volatility, Harumi Hattori
Three Essays On Caps Market And Unspanned Volatility, Harumi Hattori
Graduate Theses, Dissertations, and Problem Reports (ETD)
In this thesis we study the caps market. Caps are a contract where the interest rates are capped at some fixed value r¯. Caps consist of caplets which are European options on the forward rates called LIBOR (the London Inter-Bank Offer Rates). Caps are the derivatives of LIBOR. However, their relation is not so simple as the relation between a stock and its derivatives. One important difference is that the volatility in one market does not affect the volatility of the other market as much as in the stock and its derivative markets. This phenomenon is termed unspanned stochastic volatility …
Three Essays On The Foreign Exchange And Equity Returns, Alina F. Klein
Three Essays On The Foreign Exchange And Equity Returns, Alina F. Klein
Graduate Theses, Dissertations, and Problem Reports (ETD)
This dissertation contains three essays dealing with current issues in the foreign exchange and equity exchange markets. The first essay observes that both markets display behaviors akin to momentum and mean reversion. This essay implements a trading strategy combining mean reversion and momentum in foreign exchange markets. The strategy was originally designed for equity markets, but it also generates abnormal returns when applied to uncovered interest parity deviations for five countries. I find that the pattern for the positions thus created in the foreign exchange markets is qualitatively similar to that found in the equity markets. Quantitatively, this strategy performs …
Social Worlds Of Rock Climbers At Seneca Rocks, West Virginia, Katherine A. Thompson
Social Worlds Of Rock Climbers At Seneca Rocks, West Virginia, Katherine A. Thompson
Graduate Theses, Dissertations, and Problem Reports (ETD)
The purpose of this study was to provide management at Spruce Knob-Seneca Rocks National Recreation Area, West Virginia, with an understanding of the social worlds of rock climbers at Seneca Rocks, to ascertain any management interventions that can improve access to climbing areas at Seneca Rocks, and to determine how permitted group sizes among guided and/or unguided climbers would affect the social worlds of climbers at Seneca Rocks. Between the fall of 2009 and spring of 2010 17 interviews with rock climbers of varying experience climbing at Seneca Rocks were conducted, then analyzed along with accident reports, internet forum discussions, …
Mandatory Reporting In The Context Of Home Visitation Programs, Danielle Marie Davidov
Mandatory Reporting In The Context Of Home Visitation Programs, Danielle Marie Davidov
Graduate Theses, Dissertations, and Problem Reports (ETD)
Each year in the United States, 4.8 million physical assaults and rapes are committed against 1.5 million women by an intimate partner. An estimated 3.3 to 10 million children are exposed to some form of intimate partner violence (IPV) in their own homes annually. Although mandatory reporting laws regarding child abuse and/or neglect are implemented in all 50 U.S. states, the extent to which these laws are appropriate for IPV between adults and children exposed to IPV is undetermined. A comprehensive examination of the perspectives of those required to report abuse is critical, as their roles as mandated reporters often …