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Monomeric And Polymeric Fluoroalkyl Sulfonyl Fluorides, Sulfonate Salts And Sulfonic Acids For Use As Electrolytes And Coatings, Nicolas Noel Hamel

Dissertations and Theses

Monomeric and polymeric fluoroalkyl sulfonyl fluorides, sulfonate salts and sulfonic acids have qualities desirable for use as electrolytes in alternative energy sources such as fuel cells and solid polymer electrolyte lithium batteries. Since the nature of the fluoroalkyl group affects the properties of these compounds, new monomeric and polymeric fluoroalkyl sulfonyl fluorides, sulfonate salts and sulfonic acids were prepared in this work. Simple compounds prepared in this work were: the fluoroalkyl sulfonyl fluorides, sulfonate salts and sulfonic acid CHF (OCF₂CF2SO₂ F)₂ CF₂(OCF₂CF₂SO₂F) ₂ CH₂(OCF₂CF₂SO3Na) ₂ CF₂(OCF₂CF₂SO3 ) ₂Ca , CF₂(OCF₂CF₂SO3H) ₂ prepared by means of electrochemical fluorination; FC (CF3 ) …

Hardware For Fast Global Operations On Distributed Memory Multicomputers And Multiprocessors, Douglas V. Hall

Dissertations and Theses

"Grand Challenge" problems such as climate modeling to predict droughts and human genome mapping to predict and possibly cure diseases such as cancer require massive computing power. Three kinds of computer systems currently used in attempts to solve these problems are "Big Iron" multicomputers such as the Intel Paragon, workstation cluster multicomputers, and distributed shared memory multiprocessors such as the Cray T3D. Machines such as these are inefficient in executing some or all of a set of global program operations which are important in many of the "Grand Challenge" programs. These operations include synchronization, reduction, MAX, MIN, one-to-all broadcasting, all-to-all …

Some Relationships Between Sedimentary Trace Metal Concentrations And Freshwater Phytoplankton And Sedimentary Diatom Species Composition, Allan Hayes Vogel

Dissertations and Theses

Sediments from 21 Oregon lakes were analyzed for seven metals (Fe, Mn, Zn, Cu, Co, Ni, V) in three forms (exchangeable, organic+sulfides, and oxyhydroxides+ oxides+ carbonates) using a sequential fractionation procedure. The summer epilimnetic filterable concentration of an eighth (Mo) was also determined. Sedimentary diatom remains and summer phytoplankton populations of the lakes were correlated with the 22 metal parameters and with conservative water chemistry parameters, estimators of lake productivity, and watershed geology. Both the sedimentary metals and the two populations of primary producers correlated best with the ecoregions of Omernik and Gallant (1986). A number of species possessed correlations …

A Study Of The Success Of School College Partnerships Created To Improve Minority And Disadvantaged Student Enrollment And Success In Postsecondary Education, Armando Reinaldo Laguardia

Dissertations and Theses

This study focused on "comprehensive" partnerships between K-12 schools and postsecondary institutions created to improve the pre-college academic preparation, college enrollment and postsecondary success of minority and disadvantaged students. The study identified such partnerships in existence in the United States for more than five years, surveyed the partnerships to describe their characteristics, and selected two of the most successful to analyze their success characteristics. Sixteen such partnerships were identified and surveyed with a 12-item questionnaire designed to inquire about their: (a) structural characteristics, (b) funding, (c) success in achieving their goals and objectives, and (d) collection of data to measure …

We Are The Vanguard, Not The Norm: Stories Of Successful Minority Students In Predominantly White Graduate Teacher Education Programs, Leslie Rennie-Hill

Dissertations and Theses

Minorities stand increasingly under-represented in the teaching profession; they continue to be under-represented in graduate teacher preparation programs. Despite calls for increased numbers of minority teachers, despite countless well-intentioned recruitment and retention programs, the relative proportion of newly prepared minority teachers is in fact decreasing (Carter & Wilson, 1992). Literally hundreds of studies examine retention programs, identifying the deficits of minorities, noting what program elements work, and establishing characteristics of supportive institutional environments. Unfortunately, knowing what can be done to I increase persistence does not yet translate into doing it. By focusing on a positive correlate--those minority students who successfully …

Beam Modes Of Lasers With Misaligned Complex Optical Elements, Anthony A. Tovar

Dissertations and Theses

A recurring theme in my research is that mathematical matrix methods may be used in a wide variety of physics and engineering applications. Transfer matrix techniques are conceptually and mathematically simple, and they encourage a systems approach. Once one is familiar with one transfer matrix method, it is straightforward to learn another, even if it is from a completely different branch of science. Thus it is useful to overview these methods, and this has been done here. Of special interest are the applications of these methods to laser optics, and matrix theorems concerning multipass optical systems and periodic optical systems …

An Investigation Of The Relationship Between Turnover Of Incumbent Board Members And Turnover Of The District's Superintendent, Frederick James Loomis

Dissertations and Theses

The purpose of this study was to investigate the relationship between the turnover of incumbent board members and turnover of the district's superintendent. Research questions asked were: 1.What are the turnover rates within five years for: a. superintendents? b. incumbent board members? c. superintendents when an incumbent board member fails to be reelected? 2. What are the factors associated with board member turnover? 3. What are the factors associated with superintendent turnover? 4. Are there variables which may be used together to discriminate between categories of superintendent turnover? 5. What is the relationship between district size and number of schools …

A Taxonomy Of Types Of Uncertainty, Byrne Elliot Lovell

Dissertations and Theses

This study considers an expanded meaning of "uncertainty" as it affects decision-makers. The definition adopted is based on a decision-maker who is uncertain, i.e. aware of the insufficiency of her knowledge for the purpose of rationally determining which option to choose. A taxonomy of uncertainties is developed from this definition. The first stage is a Generalized Decision Model, which expands on a standard decision model often assumed in technical works by allowing uncertainty over components of the model that are assumed to be perfectly known in the standard model. These additional potential "subjects" of uncertainty include the feasibility of options, …

Physical And Environmental Features That Contribute To Satisfaction With Hospice Facilities, Arezu Movahed

Dissertations and Theses

Improving the quality of remaining life for individuals who are terminally ill and their families is an issue that has become increasingly important in recent years. This issue has evolved from perceived deficiencies of conventional health care institutions in meeting the needs of people who are in the final stages of their life, when curative measures are no longer deemed appropriate. In response to deficiencies in care of the terminally ill and their families, there has been a movement toward humanizing conventional health care and making it more holistic. Hospice care, which is consistent with this movement, has evolved as …

An Assessment Of The Adequacy Of The Services Of An Urban Public University For International And U.S. Students: A Comparative Study, Alfonso Hernandez Pioquinto

Dissertations and Theses

This study compares the instructional, academic support, and student services needs of international and American students at Portland State University (PSU), Portland, Oregon. Variables measured include the perceived importance of university-related services, and the level of satisfaction with services received. A questionnaire with 26 background questions and 41 service-related items for ranking and discussion was mailed to 225 undergraduate international students and 225 undergraduate American students, with a response rate of 52%. Responses were tabulated to ascertain demographic profile of PSU students, importance of university services to international students at PSU, current level of satisfaction of international students in regards …

Being An Assistant Principal, Becoming An Administrator: An Organizational Socialization Study, Connie Dickman

Dissertations and Theses

Many school administrators begin their careers in educational administration as assistant principals. The literature on assistant principals contributes very little to an understanding of the perspectives that assistant principals develop during their organizational socialization experiences and of the conditions and processes that influence the development of these socialization outcomes. The purpose of this study was to develop a theoretical understanding of the perspectives that emerge from assistant principals' organizational socialization experiences. Symbolic interactionism established the theoretical and methodological foundation for this study. The sensitizing concepts of perspective (Becker, Geer, Hughes, & Strauss, 1961), situational adjustment (Becker, 1964), and organizational boundary …

Behavioral And Community Impacts Of The Portland Needle Exchange Program, Kathleen Joan Oliver

Dissertations and Theses

Research questions were: 1: Will Drug Injectors Use An Exchange In A StateWhere Syringes Are Legal? 2: Will Drug Injectors Using An Exchange Decrease Risky Behavior? 3: Will Frequent Clients Change Risk Behaviors More Than Infrequent Clients? 4: Will Drug Injectors Using An Exchange Change Risk Behaviors More Than A Comparison Group Not Using An Exchange? 5: Does An Exchange Have An Impact On The Number Of Discarded Syringes On The Streets? 6: Is There A Difference In The Rate Of Spread Of HIV Infection Among Users And Non-Users Of The Exchange. Drug injectors will use needle exchange programs, even …

Pretrial Release In Criminal Courts: A Study Of Three Oregon Counties, Melvin Earl Degraw

Dissertations and Theses

Pretrial release (PTR) is the permanent or temporary freedom from incarceration for criminal defendants awaiting adjudication of their cases in court. From Anglo Saxon times in England, people accused of non-capital crimes were generally permitted to remain free until judicial officials could hear the charges against them. In America, pretrial release has been advocated by the courts since the colonial era. The U. S. Constitution requires that bail not be excessive, but leaves governments free to decide how bail laws are administered. The study briefly traces the historical developments of PTR up to the present time. The study then centers …

Social Support In An Urban Moroccan Neighborhood: The Effects Of Social Networks, Mediation And Patronage On The Physical Health And Psychological Adjustment Of Women, Carla Ann Green

Dissertations and Theses

Although there has been a great deal of research in the areas of social networks, social support and well-being over the past two decades, little of that research has been cross-cultural, and virtually none has been carried out in countries outside the West. The present study attempted to describe the structure and functioning of the social networks of a group of relatively modern urban Moroccan women, and the associations among their social networks, social support, physical health and psychological well-being. Extensive interviews were conducted with 108 married or previously-married women who were living in a middle-class neighborhood in Rabat, Morocco. …

Identifying Factors That Influence Perceptions Of Teacher Efficacy As A Means Of Building Capacity For Restructuring Schools: A Case Study Approach, Deborah Sommer

Dissertations and Theses

Recent efforts to restructure schools through increased teacher involvement are likely to fail without a corresponding redesign of the underlying organizational and political structure of schools. Because the current structure of most schools actually prohibits the collaboration necessary to effect change and promotes professional isolation instead, staff members faced with the tasks of restructuring experience frustration more often than success. The changes that do occur are often superficial and cosmetic while the basic hierarchy and mechanisms of control remain intact. Allowing teachers to redesign their schools, specifically to develop new models that promote interdependence and the sharing of professional expertise, …

Disequilibrium Transition Of The Consumer Goods Market In China, 1954-1991, Hui Shu

Dissertations and Theses

This is an in-depth study of the structural change and transition of the Chinese consumer goods market from 1954 to 1991 using disequilibrium econometric methodology. The model for the Chinese consumer goods market is based on the Portes-Winter disequilibrium model for centrally planned economies (1980). The demand function is derived from the Houthakker-Taylor savings function. The supply function is composed of approximations to the government's long-term and short-term plans. The transaction quantity in the market is defined as the smaller of effective demand and supply. Using the traditional global fitting method, three models are evaluated: one model that assumes no …

A Non-Decision-Reaching Decision-Making Process, Wei Wei Lou

Dissertations and Theses

Decision-making processes are among the most important activities within human organizations. This dissertation is a case study of decision-making in the review of high school graduation standards in an urban school district. The review process lasted three years and was terminated before any decision was reached concerning graduation standards. The purpose of this study is to answer three questions: Why would a decision-making process be terminated before any results are achieved? Under what circumstances do decision makers choose to let the process die? What do such decision making processes reveal about the organization? This case study employs the rational choice …

Spiritual Health: Association For The Advancement Of Health Education Instructors' Attitudes, Practices And Training, Susanne Meyer Christopher

Dissertations and Theses

Health education uses a holistic, multi-dimensional perspective (Hoyman, 1961; Donatelle, 1991; Hales, 1992). In recent years an emergent issue in health education is concern for disproportionate representation among the human dimensions--emotional, social, physical, intellectual, spiritual. Discussion occurs over the apparent underrepresentation of spiritual health in health education materials (Chandler & Kolander, 1990). While the professional literature contains articles discussing the under-representation of spiritual health (Jose & Taylor, 1986; Bensley, 1991), no empirical studies are available to assess the current status of spiritual health in health education materials or the spiritual health attitudes of health educators. This study provides empirical data …

A Case Study Of The Development Of Oregon's 1985 Public Policy In Youth Substance Abuse, Sonja Carol Grove

Dissertations and Theses

Youth substance abuse in Oregon reached epidemic proportions in the early 1980s. A response to this social issue from the Governor's Office, the state legislature, and the Office of Alcohol and Drug Programs during 1983-1985 is the foundation of this case study. Oregon, a small state of three million, was faced with a growing problem of youth and adult substance abuse. Legislative leaders, agency staff, and Governor Atiyeh recognized an opportunity to create public policy to solve problems of substance abuse including crime. The focus on substance abuse included streamlining several budgets with substance abuse monies in various state agencies. …

Tunnel One Generalized Satellite Knots, John Ralph Neil

Dissertations and Theses

In 1984, T. Kobayashi gave a classification of the genus two 3-manifolds with a nontrivial torus decomposition. The intent of this study is to extend this classification to the genus two, torally bounded 3-manifolds with a separating non-trivial torus decomposition. These 3-manifolds are also known as the tunnel-1 generalized satellite knot exteriors. The main result of the study is a full decomposition of the exterior of a tunnel-1 satellite knot in an arbitrary 3-manifold. Several corollaries are drawn from this classification. First, Schubert's 1953 results regarding the existence and uniqueness of a core component for satellite knots in the 3-sphere …

A Study Of Two Attempts By President Plutarco ElíAs Calles To Establish A National Church In Mexico, Roger David Gouran

Dissertations and Theses

In the one-hundred years between 1810 and 1926 there were many civil wars in Mexico. The last of these wars. La Cristiada, was not fought, as were the previous civil wars, by groups seeking political control of Mexico. Rather, the genesis of this war was a question of who would control the Church in Mexico. The war began when President Plutarco Elias Calles attempted to enforce rigorously certain articles of the Constitution of 1917 as well as two laws which he promulgated. If Calles had succeeded, he would, in fact, have created a church in Mexico controlled by the federal …

On Modeling Of A Mobile Multipath Fading Channel, Heng Xiao

Dissertations and Theses

Multipath fading is one of the major practical concerns in wireless communications. A multipath transmission takes place when a transmitted signal arrives at a receiver by two or more paths of different delay. Such multiple paths may be due to atmospheric reflection or refraction, or reflections from buildings or other objects. A multipath fading channel is usually modeled as a time-variant tapped delay system. RAKE receiver can be used to detect the signal from the multipath fading channel. However, the number of delay taps, the time delay of each path, and the tap weight for each delay path need to …

The Anabaptist Contributions To The Idea Of Religious Liberty, Barbara Monette

Dissertations and Theses

The relationship between ideas and history is important in order to understand the past and the present. The idea of religious liberty and the realization of that ideal in sixteenth-century Europe by the Anabaptists in Switzerland and South Germany in the 1520s was considered to be revolutionary in a society characterized by the union of church and state. The main impetus of the idea of religious liberty for the Anabaptists was the application of the New Testament standard of the Christian church, which was an independent congregation of believers marked only by adult baptism.

The purpose of the present study …

Methodology For Accurate Speedup Prediction, Aruna Chittor

Dissertations and Theses

The effective use of computational resources requires a good understanding of parallel architectures and algorithms. The effect of the parallel architecture and also the parallel application on the performance of the parallel systems becomes more complex with increasing numbers of processors. We will address this issue in this thesis, and develop a methodology to predict the overall execution time of a parallel application as a function of the system and problem size by combining simple analysis with a few experimental results. We show that runtimes and speedup can be predicted more accurately by analyzing the functional forms of the sequential …

Indicators Of Nutrient Limited Plankton Growth In Lakes Near Mount Saint Helens, Washington, Kurt Davis Carpenter

Dissertations and Theses

Several lakes located in the blast zone of the 1980 eruption of Mount St. Helens were studied to determine if the plankton in the lakes were limited in their growth by nitrogen or phosphorus availability. Long term nutrient enrichment experiments were performed on lake water from five lakes and measures of chlorophyll-a, carbon fixation, and nutrient uptake were used to evaluate the extent of limitation. Nutrient concentrations, ratios, and uptake from 14 lakes provided additional evidence for limitation by nitrogen and/or phosphorus. The physical, chemical, and biological characteristics of the lakes were also examined to monitor the return of these …

Causal Attributions For Teen Problem Drinking, Barbara J. Seatter

Dissertations and Theses

Teen problem-drinking is a pervasive problem in our society. Teens with drinking problems utilize treatment centers and then return to school attempting to stay sober. However, many return to affiliate with problem drinkers instead of with non-drinkers, and risk for relapse is high. One explanation may be that teens without drinking problems do not accept teen problem drinkers into their peer group due to negative reactions toward problem drinkers. One way to examine their attitudes is to examine differences between teen problem drinkers and non-drinkers regarding causal attributions. Attribution theory proposes that various attributions will elicit different emotional reactions and …

Predicting Solute Transport In Natural Streams - A Stochastic Approach, Xueqing Zhou

Dissertations and Theses

The existing theories for predicting longitudinal dispersion in straight open channels have long been recognized as inadequate when applied to natural rivers. These theories tend to grossly underestimate dispersion in real streams since an important mixing mechanism due to nonuniform river cross-section variations is not explicitly taken into account. Recognizing the important role of stream irregularities on solute transport and the analytical difficulties of classical deterministic analysis, we develop a stochastic approach for analyzing solute transport in natural streams. Variations in river width and bed elevation are conveniently represented as one-dimensional random fields, characterized by their autocorrelation functions. Advection and …

Erp Analysis Using Matched Filtering And Wavelet Transform, Xueming Lin

Dissertations and Theses

Event related potentials (ERP's) carry very important information that relates to the performance of the brain functions of the human being. Further studies have identified that one component, in particular, P₃₀₀, is affected by the memory process. Matched filter is used to improved the SNR of signal ERP's. We use the output of the matched filter to distinguish the difference of the waveforms between normal subjects and memory-impaired subjects. In our study, we found that the peak values of the matched filtering output were different between normal subjects and memoryimpaired subjects. Also, as an application, wavelet transform is …

Investigations On Glycolipid Production By Pseudomonas Putida Grown On Toluene In Batch And Continuous Culture Conditions, Keith Foorest Dockery

Dissertations and Theses

Utilization of toluene by Pseudomonas putida as its sole carbon and energy source affects morphology, outer membrane protein composition, and glycolipid production. Two strains of P. putida were found to utilize toluene and to coexist in continuous and batch culture. The two strains were designated translucent and opaque, based upon their readily identifiable coloration when grown on Luria agar. The translucent strain was the dominant strain in continuous culture conditions. The outer membrane proteins of P. putida were separated by sodium dodecyl sulphate polyacrylamide gel electrophoresis. When toluene is the carbon and energy source, the trend in protein composition was …

An Improved English Article System For Japanese Speakers, Dorothy Jean Frew

Dissertations and Theses

One aspect of the English language which has been overlooked by English-as-a-Second-Language educators is the article system, a, the, and 0. For students from articleless first languages such as Japanese, learning this complex system is a formidable challenge. Performance studies show an error rate among advanced Japanese students of approximately thirty percent. There may be several reasons for this high rate: 1) the differences between Japanese and English, 2) the unusually high degree of complexity/difficulty of the article system itself compared to other English morpheme systems and 3) inadequate treatments of the subject as revealed in this …