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Equipment Specification, Process Control And Plant Simulation For A Lignin-Fueled Fluidized Bed Combuster Plant., Shane Brannon Lamp
Equipment Specification, Process Control And Plant Simulation For A Lignin-Fueled Fluidized Bed Combuster Plant., Shane Brannon Lamp
Graduate Theses, Dissertations, and Problem Reports (ETD)
Many states are confronted with the issue of how to dispose of the wood waste produced by timber and wood products companies. Converting the wood waste to ethanol is one way of efficiently disposing of the waste. However, the feasibility of the conversion facility is still being pursued. Studies are still being performed to investigate the feasibility of such a facility. The wood waste-to-ethanol conversion process produces a by-product known as lignin sludge. A recent study has concluded that the lignin sludge should be used as fuel to generate steam for the conversion process. The most efficient way to combust …
Identification Of Content, Priority, And Methods Of Instructional Delivery For A Women's Health Component In An Internal Medicine Residency Program: A Modified Delphi Study., Alicia Jean Williams
Identification Of Content, Priority, And Methods Of Instructional Delivery For A Women's Health Component In An Internal Medicine Residency Program: A Modified Delphi Study., Alicia Jean Williams
Graduate Theses, Dissertations, and Problem Reports (ETD)
The purpose of this research was to determine the general content, topics and sub-topics, priorities of the content, and methods of instructional delivery for a women's health component within the Internal Medicine residency program at West Virginia University. Panel members chosen for the study were MD's and PhD's who worked in a health-related field for at least two years and had an interest in women's health. A modified Delphi method was used for this study to determine the content. Panel members also identified their current and preferred methods of instructional delivery in a separate section of the study. The panel …
A Universal Amperometric Membrane-Covered Gas-Sensing Electrodes System: Measurement Of Dissolved Oxygen, Ozone And Chlorine Dioxide., Rener Wang
Graduate Theses, Dissertations, and Problem Reports (ETD)
A Universal Amperometric Membrane-Covered Gas-Sensing Electrode System has been designed which can be used with a wide variety of electrochemical sensors. The system is composed of two parts: an electrode detection unit consists of an Intel 8051 microprocessor as the control unit which receives operational commands through the serial port of a personal computer. The assembly language has been written and is embedded in a 32K EPROM and the data collected are temporarily stored in a 32K RAM. A potentiostat with an auto-adjustable 100 nA to 100 {dollar}\\mu{dollar}A range is used to polarize the electrode. A 12 bit D/A convertor …
Environmental-Assisted Fracture Behavior Of Iron Aluminides Using Moire Interferometry With Digital Image Processing., Zhongrun Li
Environmental-Assisted Fracture Behavior Of Iron Aluminides Using Moire Interferometry With Digital Image Processing., Zhongrun Li
Graduate Theses, Dissertations, and Problem Reports (ETD)
The aim of this research is to investigate the fracture behavior of iron aluminides under various environments. Comparative crack growth tests of three iron aluminides (Fe-28Al-5Cr, at% with various additivies like Zr,C or B)were carried out under air, oxygen or water environment. Moiré interferometry was applied to obtain whole-field displacement, crack growth rate, stress intensity factor, and crack-tip strain fields. A digital image processing (DIP) procedure was developed to obtain the strain distributions. Test results showed that the presence of small amount of moisture is sufficient to cause significant embrittlement in iron aluminides. Furthermore, specimens tested in water environment have …
A Transient Computational Fluid Dynamic Model Of A Unit Injector Using Methanol Fuel., Eugene Anthony Mckenzie
A Transient Computational Fluid Dynamic Model Of A Unit Injector Using Methanol Fuel., Eugene Anthony Mckenzie
Graduate Theses, Dissertations, and Problem Reports (ETD)
The use of alternative fuels such as Ethanol, Methanol and Natural Gas in automotive applications has increased due to the strict environmental regulations. These are used to reduce automotive emissions, especially in heavy trucks and city bus fleets. Most of these vehicles use diesel fuel as their primary fuel. Trucks and buses with Detroit Diesel engines have the option to operate using methanol as their primary fuel instead of diesel fuel. Due to the low lubricity of methanol fuel, the unit fuel injectors injecting methanol fuel have a shorter operating life than those injecting diesel fuel do. To study the …
The Impact Of The Principals' Academy On Teachers' Perception Of Their Empowerment In Group Decision Making In West Virginia Faculty Senates., Margaret Dickinson Miller
The Impact Of The Principals' Academy On Teachers' Perception Of Their Empowerment In Group Decision Making In West Virginia Faculty Senates., Margaret Dickinson Miller
Graduate Theses, Dissertations, and Problem Reports (ETD)
The purpose of the study was to determine if principals' attendance to Principals' Academy had an effect on teachers' perception of empowerment in faculty senate group decision making. Faculty senate members in 120 West Virginia schools received the Short and Rinehart School Participant Empowerment Scale survey to provide perception of overall empowerment and six domains of empowerment. Data derived from 66 responding schools were analyzed using Statistical Analysis System and Analysis of Variance and produced the following results: There was no significant relationship, overall nor within domains, between the perceived level of empowerment of teachers in faculty senate group decision …
The Prevalence Of Posttraumatic Stress Disorder Among Federal Prison Inmates, Robert K. Guthrie
The Prevalence Of Posttraumatic Stress Disorder Among Federal Prison Inmates, Robert K. Guthrie
Graduate Theses, Dissertations, and Problem Reports (ETD)
Incarceration in the United States has increased dramatically in recent years. The total number of inmates under the jurisdiction of the Federal Bureau of Prisons (BOP) on September 30, 1995, was 100,958, an increase of over 11,000 (12%) from January 1, 1994 (U. S. Department of Justice, 1995a) and an increase o f over 60,000 (152%) from 1981 (U. S. Department of Justice, 1994a). Approximately 92% of this population is male. Rubin and McCampbell (1995) point out that conservative estimates indicate that 6-8% (6,000-8,000) of inmates currently under BOP control exhibit a major mental disorder, such as bipolar affective disorder, …
Fracture Mechanics Of Human Cortical Bone: The Relationship Of Geometry, Microstructure And Composition With The Fracture Of The Tibia, Femoral Shaft And The Femoral Neck., Yener Nail Yeni
Graduate Theses, Dissertations, and Problem Reports (ETD)
Bone fracture is a major health problem in old population with its complications leading to mortality and morbidity. Therapies mostly involve preventing bone mass loss. Individuals with high bone mass, however, may still suffer fractures suggesting that additional components such as bone microstructure and composition may be responsible for increased fracture risk in the elderly. The relationship of bone constituents with bone fragility, however, is not well-understood. A better understanding of these relationships will help improving therapies by controlling the relevant biological processes. Bone is a composite material with many constituents such as osteons embedded with vascular channels, collagen fibers, …
Theory Of Mind Development And Attentional Processes In Young School Children., Amy Gillies Wilson
Theory Of Mind Development And Attentional Processes In Young School Children., Amy Gillies Wilson
Graduate Theses, Dissertations, and Problem Reports (ETD)
The following study explored relations between theory of mind understanding, attention, language ability, and general intelligence. Scores on measures of auditory processing (Test of Auditory Reasoning and Processing Skills), language comprehension (Test of Auditory Comprehension of Language, Revised), matrix completion (Raven's Colored Progressive Matrices), false belief and recursive thinking understanding were obtained along with teacher ratings of children's self-regulation as measured by Attention and Hyperactivity subscales of the Conner's Rating Scale. Analysis of zero-order correlations revealed self-regulation to be negatively correlated with recursive thinking, while age, general intelligence, auditory processing, and language ability were positively correlated with theory of mind …
An Assessment Of Presidential Perceptions Of Goal Compliance Stated In West Virginia Senate Bill 547., Mark Stephen Carter
An Assessment Of Presidential Perceptions Of Goal Compliance Stated In West Virginia Senate Bill 547., Mark Stephen Carter
Graduate Theses, Dissertations, and Problem Reports (ETD)
The article is a report of a qualitative study to determine whether Presidents of West Virginia higher education institutions maintain attitudes commensurate with goal statements contained in Senate Bill 547: a West Virginia legislative initiative that requires institutional compliance with various legislated goals. Findings of the study are presented in a brief, case study format for each President. In addition, a global assessment of Presidential perceptions with associated issues of compliance/noncompliance is presented.
The Relationship Between Student Characteristics And Math Achievement When Using Computer Spreadsheets., Jeanne Heindel Gasiorowski
The Relationship Between Student Characteristics And Math Achievement When Using Computer Spreadsheets., Jeanne Heindel Gasiorowski
Graduate Theses, Dissertations, and Problem Reports (ETD)
The use of computer hardware and software technology in schools is on the rise while there are increasing demands for success in mathematics by all students, despite diverse backgrounds. The problem is to determine the characteristics of students who most benefit from the use of spreadsheet software as a cognitive tool to assist them as they learn to organize and analyze data. For a period of six weeks, 114 seventh grade students received standard instruction in their mathematics classes in basic statistics/data analysis content. Concurrently, in a separate computer class, the students received instruction which focused on the use of …
Parametric Study Of Dust Generation With Rock Ridge Breakage Analysis Using A Simulated Continuous Miner., Venkata Babu Achanti
Parametric Study Of Dust Generation With Rock Ridge Breakage Analysis Using A Simulated Continuous Miner., Venkata Babu Achanti
Graduate Theses, Dissertations, and Problem Reports (ETD)
Efficient rock breakage is a result of optimum use of available resources in a continuous mining system. Research demonstrates that specific respirable dust must be kept at a minimum in order to produce the optimum parameters of rock breakage process. A cutting process that induces large chips of cut product results in minimum respirable dust. To produce larger chips of cut product, a correct inter-play of several bit geometry related parameters is essential. As the ridges/lands between two adjacent grooves are removed, a free surface is available for subsequent cuts. The nature of ridge failure is a function of the …
Time Series Forecasting Of Mexican Trade Prices., Horacio Cardiel Perez
Time Series Forecasting Of Mexican Trade Prices., Horacio Cardiel Perez
Graduate Theses, Dissertations, and Problem Reports (ETD)
The main purpose of this study is to address the question of how price forecasts can be produced in an accurate, reliable, and cost-effective form for planning and policy purposes in Mexican agriculture. The need for this stems from the recent opening of the Mexican economy, which resulted in a decrease government intervention, such that market demand, supply and prices are now influenced more by international events. Thus, this work investigates the application of univariate time series models to forecasting the trade prices for corn, dry beans, and sorghum in an import side, and tomatoes, broccoli, coffee, and sugar as …
Emotional Hijacking Versus Safe Behavior., Christopher Monteressi
Emotional Hijacking Versus Safe Behavior., Christopher Monteressi
Graduate Theses, Dissertations, and Problem Reports (ETD)
This research investigated the types of reasoning used by coal mine employees when exposed to potentially dangerous situations. Information was gathered through interviews of coal miners who related actual experiences in the coal mines. The information in the interviews and in the review of the literature was used to develop and implement an experiential program that promoted an individual's responsibility for their safety and the safety of co-workers. The experiential program addressed safe work behaviors from the perspectives of emotional and cognitive memories and the functions of the human brain. This program had three overall objectives of assisting miners to …
The Role Of Amino Acids In The Transmembrane And Extra-Membranous Domains Of The S. Cerevisiae Iron Sulfur Protein In Its Activity And Stability In The Cytochrome Bc1 Complex., Suzelle Madeleine Amyot
The Role Of Amino Acids In The Transmembrane And Extra-Membranous Domains Of The S. Cerevisiae Iron Sulfur Protein In Its Activity And Stability In The Cytochrome Bc1 Complex., Suzelle Madeleine Amyot
Graduate Theses, Dissertations, and Problem Reports (ETD)
The Rieske iron sulfur protein is a subunit of the cytochrome bc1 complex of the mitochondrial electron transport chain. It is hypothesized that electron transfer by the iron sulfur protein requires movement of a flexible "tether" region that connects the transmembrane portion of the protein to its extramembranous domain (Zhang et al., 1998). To determine which amino acid residues are important for catalysis and stability of the Saccharomyces cerevisiae iron sulfur protein, site-directed mutagenesis was performed on two charged residues adjacent to the proposed flexible region (lysine 93 to leucine and glutamate 95 to arginine). In addition, a hydrophobic residue …
The Influence Of Seventeenth-Century Anglo-Saxon Scholarship On Milton's Prose, "The History Of Britain", And "Paradise Lost"., Matthew B. Mccrady
The Influence Of Seventeenth-Century Anglo-Saxon Scholarship On Milton's Prose, "The History Of Britain", And "Paradise Lost"., Matthew B. Mccrady
Graduate Theses, Dissertations, and Problem Reports (ETD)
Was John Milton’s prose and poetry in any way influenced by seventeenth-century Anglo-Saxon scholarship? The answer is "yes." Just as John Milton was in dialogue with radical seventeenth-century political groups such as the Levellers and Diggers—a ground-breaking thesis first proposed by Christopher Hill—so Milton was also in dialogue with those academics and antiquarians researching and, in some ways, reinventing the Anglo-Saxon past. Through a close reading of Milton’s first Defense and other selected prose works, as well as the History of Britain and Paradise Lost, this thesis proposes to reexamine an old issue that has never been satisfactorily explicated. In …
Organizational Culture And Leadership At Berea College: An Historical Inquiry Into Saga Development And Underlying Cultural Assumptions., Gerald Emerson Wood
Organizational Culture And Leadership At Berea College: An Historical Inquiry Into Saga Development And Underlying Cultural Assumptions., Gerald Emerson Wood
Graduate Theses, Dissertations, and Problem Reports (ETD)
Culture is a pervasive concept that is not easily encompassed in any one definition. Culture within an organization is both process and product. It is both a dynamic agent of influence within the temporal and spatial context of organizational life and an object of study approached from the actor's point of view and thickly described. My general interest is in the cultural context of colleges, and more specifically in the part that culture has played in the formation and transformation of the mission and role of Berea College as it has sought to educate marginalized people for nearly 150 years. …
Dispersion Minimization In Capillary Electrochromatography: A Knox-Parcher Study On Packed Capillaries., Preston Charles Lowe
Dispersion Minimization In Capillary Electrochromatography: A Knox-Parcher Study On Packed Capillaries., Preston Charles Lowe
Graduate Theses, Dissertations, and Problem Reports (ETD)
Electrochromatography (CEC), a hybrid of LC and CE, is a recent and fairly unexplored method of analysis, but has already been shown to be a very efficient separation technique. This thesis comprises a study of the Knox-Parcher effect and its influence upon CEC. The Knox-Parcher effect, which has been established in GC and LC, describes the dependence of reduced plate height, h, on the ratio, r, established by the ratio of the channel diameter (dc) to the particle diameter (dp). This study was conducted using particles with a diameter of 60 mm and capillaries having inner diameters ranging from 246 …
Acceleration Simulation Of A Vehicle With A Continuously Variable Power Split Transmission., Zhijian Lu
Acceleration Simulation Of A Vehicle With A Continuously Variable Power Split Transmission., Zhijian Lu
Graduate Theses, Dissertations, and Problem Reports (ETD)
A continuously variable transmission system has often been considered for automobiles. It offers the potential to allow the engine to operate at peak efficiency without disturbing the driver with discrete shifts. The application of CVTs in automobiles has been attempted for many years. This concept has been rapidly developed in the last twenty years. The shaft-to-shaft belt CVT is now the most commonly used CVT product in the automobiles. The main drawback of this kind of CVT is limited torque capacity and the modest power efficiency. This prevents the belt CVT from being used in the vehicles with large displacement …
An Evaluation Of The Relative Value Of Spectral And Phenological Information For Tree Crown Classification Of Digital Images In The Eastern Deciduous Forest., Thomas Lee Key Jr.
An Evaluation Of The Relative Value Of Spectral And Phenological Information For Tree Crown Classification Of Digital Images In The Eastern Deciduous Forest., Thomas Lee Key Jr.
Graduate Theses, Dissertations, and Problem Reports (ETD)
Digitized, multitemporal, small format 35 mm aerial photographs were acquired, processed, and classified to determine the relative value of spectral and phenological information for tree crown classification of digital images of the Eastern Deciduous Forest. The one-hectare study site, located in a second-growth forest 15 km east of Morgantown, West Virginia, was photographed from a light aircraft ten times from May to October 1997 using both true color and false color film. The negatives and positive transparencies were scanned, and then rectified, enhanced, and classified using ERDAS Imagine. Differences in the timing of phenologic events between tree species, specifically leaf …
An Object Relationship Framework And Persistence In Java., Srinivas S. Vangari
An Object Relationship Framework And Persistence In Java., Srinivas S. Vangari
Graduate Theses, Dissertations, and Problem Reports (ETD)
The main objective of this thesis is to provide the design and implementation of an object relationship framework in Java where objects can form relationships with other objects dynamically at runtime. Relationships among objects have long been recognized as the important semantic constructs facilitating ease of analysis & design of large complex systems. Almost all modeling techniques have notations to describe the existence of relationships among software components. But unfortunately the relationships identified in analysis stage could not be mapped to the equivalent high-level language constructs during the implementation because of lack of high level semantic support for relationships in …
A Cognitive Developmental Approach To Racial Stereotyping, Empathy And The Relationship Between The Development Of Empathic Understanding And Racial Stereotyping In Euro-American Children., Z. Nilufer Bilgesu
Graduate Theses, Dissertations, and Problem Reports (ETD)
In countries where population consists of the members of different ethnic and racial groups, it is important to use a multicultural approach in education. The goal of the present research is to explain the connection between age, cognitive abilities, empathic understanding and their relationship with the social attitude of racial stereotyping. It is possible to see the effect of cognitive limitations of the children in their reasoning about others, and consequently in their empathic understanding and in their racial stereotyping behavior. In this study it was predicted that while the age (maturation) of the children increases, their cognitive abilities would …
The Relationships Among Hypermedia-Based Instruction, Cognitive Styles And Teaching Subject-Verb Agreement To Adult Esl Learners., Fuqiang Zhuo
Graduate Theses, Dissertations, and Problem Reports (ETD)
This study examines the relationships among hypermedia-based instruction, cognitive styles, and teaching subject-verb agreement to adult ESL learners in order to find an effective approach to teach grammar which is a very thorny issue in the field of second and foreign language instruction and learning. Therefore, the effect of hypermedia on grammar instruction and learning is the main focus in this study. The treatment was the employment of hypermedia creating a new learning environment in which the adult ESL learners could be benefited from the advantages of new technology. Based on the current methodologies, approaches, and principles of second and …
Symbolic Behavior: Reorganizing And Expanding Stimulus Classes Through Matching And Naming., Oliver Wirth
Symbolic Behavior: Reorganizing And Expanding Stimulus Classes Through Matching And Naming., Oliver Wirth
Graduate Theses, Dissertations, and Problem Reports (ETD)
The purpose of the present study was to further clarify the structural and functional properties of stimulus equivalence classes and functional stimulus classes relative to the procedures that establish them. With college students, stimulus equivalence classes were established using a standard selection-based matching-to-sample (MTS) procedure, and functional stimulus classes were established using a topography-based naming task. During the naming trials, students were trained to say distinct nonsense words in the presence of arbitrarily assigned sets of symbols. Computer-controlled voice-recognition software was used to record and analyze students' vocal responses for accuracy and speed. Experiment 1 examined whether stimulus equivalence classes …
The Emerging Female Hero In The Fiction Of Alice Walker, Ntozake Shange, Ursula Le Guin, And Barbara Kingsolver., Rebecca S. Phillips
The Emerging Female Hero In The Fiction Of Alice Walker, Ntozake Shange, Ursula Le Guin, And Barbara Kingsolver., Rebecca S. Phillips
Graduate Theses, Dissertations, and Problem Reports (ETD)
Novels written by Alice Walker, Ntozake Shange, Ursula Le Guin, and Barbara Kingsolver between 1971 and 1993 demonstrate a pattern of female heroism that both continues and revises the male monomyth as described by Joseph Campbell. The motifs these women's novels share with the traditional monomyth include: (1) the quest itself; (2) mysterious parentage; (3) the magical guide; (4) the slaying of the monster; (5) the boon; (6) (sometimes) the sacred marriage and the return. The elements either unique to the female quest or containing a different emphasis from the monomyth are: (1) enclosure in a patriarchal system; (2) naming …
Genotoxicity Studies Of Roofing Asphalt Fume Condensates In Mammalian Cells., Hongwei Qian
Genotoxicity Studies Of Roofing Asphalt Fume Condensates In Mammalian Cells., Hongwei Qian
Graduate Theses, Dissertations, and Problem Reports (ETD)
The specific aims of the present investigation were to determine the genotoxicity and potential carcinogenicity of WFC of Type I and Type III roofing asphalt by using different genetic endpoints in mammalian cells in vitro and in rat in vivo. Morphological transformation studies in cultured BALB/c-3T3 cells indicated that at concentrations that allow less than 50% survival, neither of the WFC, with or without the hamster liver S9 activation system, significantly increased foci formation in BALB/c-3T3 cells. The conventional and immunofluorescent staining MN assays showed that both types of WFC caused a significant increase in the frequency of MNC and …
The Nature Of Semantic Memory Deficits In Alzheimer's Disease: Semantic Degradation Or Working Memory Deficits., Staci Robyn
The Nature Of Semantic Memory Deficits In Alzheimer's Disease: Semantic Degradation Or Working Memory Deficits., Staci Robyn
Graduate Theses, Dissertations, and Problem Reports (ETD)
The nature of semantic memory deficits in Alzheimer's disease (AD) has been subject to controversy. It is unclear whether semantic memory is impaired because of degradation of semantic knowledge or due to information processing deficits. This study compared 18 patients with AD to 18 control participants who did not differ significantly in age, education, or gender on three working memory tasks. Three variations of the Self Ordered Pointing Task (SOPT) which varied in the degree of ability to utilize semantic processing skills were administered. Results indicated that patients with AD demonstrated working memory impairments compared to control participants. However, patients …
Student Evaluation Of Clinical Education Environment (Secee): Instrument Development And Validation., Kari E. Sand-Jecklin
Student Evaluation Of Clinical Education Environment (Secee): Instrument Development And Validation., Kari E. Sand-Jecklin
Graduate Theses, Dissertations, and Problem Reports (ETD)
This paper describes the refinement and testing of the Student Evaluation of Clinical Education Environment (SECEE) inventory, an instrument designed to measure nursing student perceptions of the clinical learning environment. Although a quality student clinical experience is considered critical to nursing education, no comprehensive instruments measuring the clinical learning environment have been published. The SECEE inventory contains 29 forced-choice items divided among four scales: Communication and Feedback, Learning Opportunities, Learning Support, and Department Atmosphere. Items were included based on nursing students and faculty input, a review of the literature and sample clinical agency contracts, and data resulting from administration of …
Performance Of Flexible Pavements Reinforced With Geogrids., Bora Kutuk
Performance Of Flexible Pavements Reinforced With Geogrids., Bora Kutuk
Graduate Theses, Dissertations, and Problem Reports (ETD)
This report presents the results of an investigation on the effectiveness of glass fiber grids as a reinforcement of the asphalt base layer in a flexible pavement. The study involved both laboratory experimental work and computer analysis of pavement sections. As part of the experimental work, twenty flexible pavement sections (with and without glass fiber grids) were constructed and tested in the laboratory. The laboratory-scale pavement sections were instrumented with pressure cells, displacement gages, and strain gages. Test sections were subjected to 1,000,000 load applications at a frequency of 1.2 Hz. Static loading tests were conducted at intervals of 100,000 …
The Effects Of Reading Social Anxiety Words On Anxious Responding., Carrie Lynn Masia
The Effects Of Reading Social Anxiety Words On Anxious Responding., Carrie Lynn Masia
Graduate Theses, Dissertations, and Problem Reports (ETD)
Two studies were conducted to determine if repeated exposure to social anxiety words decreased anxious responding in individuals diagnosed with social phobia. In the first study, four participants were asked to read words aloud, and in the second study, three participants were asked to read words silently. Single-subject methodology, using an alternating treatments design, was utilized. Anxious responding was assessed via Stroop test color-naming time of social and neutral words, word-reading time of social and neutral words, heart rate during word-reading and color-naming, and self-reports of distress. Results indicate that repeated reading of social anxiety words reduces anxious responding, and …