Digital Commons Network^™

Fluorinated Polymer Films: Synthesis And Characterization, Anja Ulrike Schnurer

Dissertations and Theses

Three polyfluoroalkyl epoxides, (I OCH₂CHCH₂OCF₂CF₂SO₂F, II OCH₂CHCH₂(CF₂)₈F and III OCH₂CHCH₂O(CF₂)CF(CF₃)SO₂F) were photopolymerized with a cycloaliphatic diepoxide (Cyracure UVR-6110) to form highly crosslinked glassy films. Depth-dependent surface analysis with XPS show that these films are highly enriched with sulfonyl fluoride groups in the outer molecular surface. Film compositions of 17 % wt and more of the fluorinated I and III show surface characteristics of a film composed of 100 % wt of the …

Wandering Man, Sean R. Cowne

Dissertations and Theses

The Old West of stories, movies, and folklore is of course a time and place that never existed, yet, over a century, has bloomed into an elaborate, romantic, sometimes tragic fantasy firmly rooted in the collective mythic consciousness of Americans. Wandering Man is a novel that attempts to accentuate the mythic tendencies of the Western subgenre, even at the expense of realism. An attempt to recognize the American fascination with our nineteenth century westward expansion as a construction of myth is endeavored through deliberate parallels with stories universally deemed "mythic:" Homer's Iliad and Odyssey. The protagonist of Wandering Man is …

The Reception Theory Of Hans Robert Jauss: Theory And Application, Paul Hunter Rockhill

Dissertations and Theses

Hans Robert Jauss is a professor of literary criticism and romance philology at the University of Constance in Germany. Jauss co-founded the University of Constance and the Constance group of literary studies. Hans Robert Jauss's version of reception theory was introduced in the late 1960s, a period of social, political, and intellectual instability in West Germany. Jauss's reception theory focused on the reader rather than the author or text. The original reception of a text was compared to a later reception, revealing different literary receptions and their evolution. Jauss's Rezeptionsgeschichte (history of reception) illustrated the evolution of the reception of …

Oregon Territorial Governor John Pollard Gaines: A Whig Appointee In A Democratic Territory, Katherine Louise Huit

Dissertations and Theses

In 1846 negotiations between Great Britain and the United States resulted in the end of the Joint Occupancy Agreement and the Pacific Northwest became the property of the United States. Nineteenth Century Oregon represented a new beginning for many citizens of the United States and around the world. The settlers arriving in the Oregon Country consisted of a hardy, self reliant, breed; yet they sought the protection of the United States government from Native Americans living in the region and from Great Britain's Hudson's Bay Company. When Oregon became a territory, in 1848, the pioneers struggled to preserve their independence. …

Understanding Pre-Service Teachers' Conceptualizations Of Diversity, Terrine Louise Borwn Vogt

Dissertations and Theses

"Diversity" has become a word associated with many professions, institutions, and contexts, paired with words such as standards, consultants, training, awareness and others. However, the researcher focused on how diversity is defined or conceptualized by pre-service teachers at Portland State University. Diversity is especially important as it relates to educators and pre-service teachers. Teachers will, today, be instructing children of different backgrounds and races more than ever in the past (Ross & Smith, 1992). And teachers conceptualizations and behaviors have profound impacts on student performance and success. In an effort to come to understand the ways pre-service teachers conceptualize "diversity," …

Distribution Of Ionized And Neutral Halogenated Phenols In An Octanol-Water Membrane Model System, Robert Word

Dissertations and Theses

The accumulation of xenobiotics, such as halogenated phenols, in soils, sediments, and living organisms is primarily a partitioning process between an aquatic and organic phase. It is traditional to use a bulk octanol-water system to model the partitioning of a compound between complex biological lipid membranes and aqueous media. The octanol-water partition coefficient K_OW successfully approximates the lipid membrane-water partition coefficient K_LipW of neutral compounds. However, the ionized species of substituted phenols were shown to have a higher affinity for lipid membranes than predicted from octanol-water results.

Data on the octanol-water partition coefficients of molecular ions is limited. …

Mutation Analysis Of Fibrillin-2 (Fbn2) And Microfibril Associated Protein-3 (Mfap-3): Two Genes Associated With Congenital Contractural Arachnodactyly (Cca), Also Known As Beal's Syndrome, Darcie Babcock

Dissertations and Theses

Congenital Contractural Arachnodactyly (CCA), also known as Beal's syndrome, is an autosomal dominant disorder characterized by multiple congenital joint contractures, arachnodactyly, dolichostenomelia, and scoliosis with only rare ocular or cardiovascular involvement. CCA has been linked to the fibrillin-2 (FBN2) gene located on chromosome 5q23-31. The phenotype ofCCA is similar to Marfan syndrome (MFS) which is caused by defects in the fibrillin-1 (FBNl) gene located on chromosome 15. Fibrillin-1 and fibrillin-2 are components of extracellular matrix (ECM) elastic microfibrils. The linkage studies performed on families affected with CCA suggest that another gene in the area ofFBN2 could also be responsible for …

Nmr Study Of Neurophysin Dimer Dissociation By Cosolvents, Jian Yao

Dissertations and Theses

Neurophysins (NPs) make up a relatively small, stable, and highly soluble class of proteins. They have physiological roles of storage and stabilizing' of peptide hormones oxytocin and vasopression within the posterior pituitary neurosecretory granules. At the concentration of NP found within the granules, NP would exist as a dimer in the absence or presence of bound peptide. The NP monomer-monomer interface involves B-sheet/ B-sheet contact, which can be modulated by the presence of cosolvent. This remarkable feature of NP makes it a model for Alzheimer's disease. One of the characteristics of Alzheimer's disease is the presence of plaques of B-amyloid …

A History Of Transportation In Nineteenth Century Umatilla County, Oregon, Gary Kenneth Miller

Dissertations and Theses

An examination of the history of transportation in Umatilla County, Oregon, will provide an understanding of its role in the colonization and economic development of this remote and arid region. This study begins with a description of the movement of Umatilla, Walla Walla, and Cayuse Indians in the Umatilla Country to establish the patterns of transportation at the beginning of the nineteenth century. From this basis, significant changes in transportation technology and patterns of movement can be identified and analyzed.

Primary sources are reviewed to establish existing routes and conditions of travel. Immigrant accounts and pioneer reminiscences reveal that difficulties …

Layout Synthesis For Datapath Designs, Naveen Buddi

Dissertations and Theses

As datapath chips such as microprocessors and digital signal processors become more complex, efficient CAD tools that preserve the regularity of datapath designs and result in small layout area are required. The standard-cell placement techniques ignore the regularity of datapath designs and hence give inefficient layouts. This has necessitated the development of new techniques for datapath module placement.

We developed a layout synthesis tool DataPathLAYOUT, for the bit-slice datapath logic designed using standard-cell libraries. We developed fast and area efficient heuristics for placing the cells in a bit-slice such that the regularity of datapath circuits is preserved and the number …

Alexander Vi: Renaissance Pope, Jonathan P. Zorich

Dissertations and Theses

The life of Pope Alexander VI has been the object of controversy for centuries. He has often been portrayed in terms of moral extremes. Those historians who have been critical of his methods and motives have depicted the Borgia pope as evil incarnate. For them, Alexander VI was the ultimate symbol of papal corruption. Those historians sympathetic with the church have claimed that Alexander was a slandered and misunderstood figure.

In reality, Alexander VI could most accurately be described as temporal prince so typical of the Renaissance. In many respects, he was no better or worse than any other pontiff …

Groundwater Recharge Of The Middle Deschutes Basin, Oregon, Thomas Gene Boyd

Dissertations and Theses

All surface water in the Middle Deschutes River basin of Oregon has already been allocated. Growth in the basin has put pressure on the Oregon Water Resources Department (OWRD) to grant an increasing number of groundwater permits. The OWRD is concerned that the allocation of too much groundwater will cause adverse effects on other groundwater users and surface water supplies and ultimately lead to groundwater depletion. For this reason, the U.S. Geological Survey is presently undertaking the first in-depth study of the groundwater resources of the basin.

As part of this USGS study, I estimated recharge rates and their distribution …

Parental Perceptions Of Articulation Intervention Services Received At Portland State University, Janet Ann Murphy

Dissertations and Theses

Now more than ever, speech clinicians are being required to justify the effectiveness of their work by showing results. There are different ways to measure outcomes. For example, outcomes may be measured by testing to determine if change has occurred regarding clinical goals, or by comparing the cost of the treatment to the benefit of the treatment to determine if the treatment was economically sound. Another type of measure is subjective outcomes, such as client satisfaction. Subjective outcomes are difficult to define and measure and few studies of this type have been reported in the literature. Because clinical outcome is …

Social Stratification Within A Protohistoric Plankhouse Of The Pacific Northwest Coast: Use-Wear And Spatial Distribution Analysis Of Chipped Lithic Artifacts, Cameron Mcpherson Smith

Dissertations and Theses

The spatial distribution of chipped lithic artifacts excavated at site 35C05, a Chinookan plankhouse of the protohistoric period, was observed to test the hypothesis that a gradient of material culture -- reflecting social status -- should be evident within the plankhouse, ranging from the highest to the lowest social rank. Prior to the spatial analysis, use-wear analysis was used to evaluate the classificatory labels used to describe the assemblage by a previous researcher. The use-wear analysis largely confirmed the functional classification of chipped lithic artifacts used by the previous researcher. The spatial analyses revealed that while most tool types were …

Efficient Buffer Allocation Scheme For Bursty Traffic In Atm Networks Using Fast Reservation Protocol, Nikhil Mukund Deshpande

Dissertations and Theses

One of the major problems in the realization of ATM is traffic management, in particular, the resource allocation for an efficient network. Many approaches to the bandwidth management problems [2] and buffer management problems have been proposed. Boyer [10] suggested a "Fast Bandwidth Reservation" protocol, while Turner [2] applied the same technique to the buffer allocation for the bursty traffic. In this thesis, we extend Turner's scheme in order to make it more efficient with respect to buffer allocation. We define a new parameter "Reduction Factor'', which has the potential of saving a significant amount of buffer space in a …

Study Abroad And Self-Perceptions Of Cross-Cultural Adaptability, Heidi C. King

Dissertations and Theses

With growing recognition of the duality of language and culture, the TESOL profession is placing increasing emphasis on the importance of understanding intercultural dynamics in the second language classroom. Currently, however, there is a lack of empirical information and measurement instruments to aid understanding within the field of cross-cultural communication. In response to this lack of instrumentation, Kelley and Meyers (1993) recently created the Cross-Cultural Adaptability Inventory (CCAI), a 5 0-item, self-perception inventory designed to measure cross-cultural adaptability through a total score and four contributing dimensions: Emotional Resilience, Flexibility/Openness, Perceptual Acuity and Personal Autonomy. The two primary purposes of this …

Oregon's Oil: A Geographic View Of Petroleum Distribution And Associated Risks, Paul M. Slyman

Dissertations and Theses

Since no local crude oil sources exist, every drop of petroleum consumed in Oregon originates from outside sources and is distributed multi-modally to consumers. As population continues to increase and oil sources dwindle, this reliance may add financial and environmental risks to Oregonian' s quality of life. This paper examines Oregon's oil distribution system, and analyzes the risks oil movements pose in the state. A comprehensive understanding of oil distribution in Oregon can best be gained geographically. Pipelines, ships, barges, railroads and trucks play different roles in this system, yet data for these transport modes are maintained by different groups …

A Cross-Cultural Study Of The Speech Act Of Refusing In English And German, Charla Margaret Teufel

Dissertations and Theses

Language students must learn to communicate effectively in cross-cultural settings, avoiding unwitting violations of culturally determined norms of behavior. This study compares German learners of English (GEs) with native speakers of English (AEs) and German (GGs), studying pragmatic transfer associated with the face-threatening speech act of refusal.

Data elicitation involved a written role-play questionnaire composed of twelve refusal situations, including four refusal stimulus types (requests, invitations, offers, and suggestions) and interlocutors of higher, lower, and equal status. Response strategies were identified and classified, and the three groups were compared in terms of frequency and content of strategies chosen.

Overall, the …

Justice Delayed: A Sixty Year Battle For Indian Fishing Sites, Roberta Ulrich

Dissertations and Theses

The Army Corps of Engineers promised in 1939 that it would provide six fishing sites totaling 400 acres for Indian fishermen to replace 40 sites that would be flooded by the pool behind Bonneville Dam on the Columbia River. The agreement with the Warm Springs, Yakima and Umatilla tribes and Columbia River Indians also included construction of living quarters, boat launches, drying sheds and sanitary facilities. Only five sites were ever acquired and drying sheds and sanitary facilities were built on only two.

This paper traces the delays through war, congressional appropriations, negotiations over sites, law suits, construction of new …

An Analysis Of Spondee Recognition Thresholds In Auditory-Only And Audio-Visual Conditions, Brenene Marie Brady-Herbst

Dissertations and Theses

To date there are no acceptable speechreading tests with normative or psychometric data indicating the test is a valid and reliable measure of speechreading assessment. Middlewerd and Plomp (1987) completed a study of speechreading assessment using sentences (auditory-only and auditory-visual) in the presence of background noise. Results revealed speech reception thresholds to be lower in the auditory-visual condition. Montgomery and Demorest (1988) concurred that these results were appealing, but unfortunately not efficient enough to be used clinically.

The purpose of this study was to develop a clinically valid and reliable assessment of speech reading ability, following Middlewerd and Plomp's (1987) …

The Use Of Hydrochemistry To Identify Potential Processes Operating In The Saddle Mountains Basalt Aquifer And The Use Of The Nitrate-Nitrogen Isotope To Distinguish Between Potential Sources Of Nitrate To The Shallow Alluvial Aquifer In The Lower Umatilla Basin, Oregon, Margot Truini

Dissertations and Theses

Nitrate concentration in excess of national drinking-water standards (10 mg/l) are present in the shallow alluvial aquifer and Saddle Mountains Basalt (SMB) aquifer in the Lower Umatilla Basin, Oregon. To determine sources responsible for elevated nitrate concentrations in the SMB aquifer mass-balance and reaction-path models (NETPATH and PHREEQE) were used to understand observed geochemical trends. Nitrate-nitrogen isotopes were used to distinguish potential nitrate sources in the shallow alluvial aquifer. NETPATH-validated simple water/rock reactions in the SMB aquifers in Irrigon (dissolving glass, precipitating smectite, dissolving or precipitating calcite, and cation exchange) using constituents (calcium, magnesium, sodium and carbon). Diversity of composition …

Heme Proton Resonance Assignments And Kinetics Study In High-Spin And Mixed-Spin Metmyoglobin Complexes By Chemical Exchange Nmr Spectroscopy, Ying Luo

Dissertations and Theses

NMR studies of paramagnetic hemoproteins have improved significantly our understanding of the structure-function relationship of hemoproteins in general. Up to date most of the studies focus on low-spin ferric systems which are characterized by relatively narrow resonance peaks and concomitant better resolution.

However, characterizing in detail the NMR spectra of high-spin ferric hemoproteins is important since there are several hemoproteins, such as peroxidases, catalases, oxygenases, and some ferricytochromes that contain high-spin iron (III) in their biologically active forms. Yet assigning resonances from heme peripheral protons and/or heme pocket residues in high-spin myoglobins is a daunting undertaking. Only a sparse number …

A Prolog Lexical Phrase Computer Assisted Language Learning Module, Yuji Gene Hirayama

Dissertations and Theses

This thesis presents the design of a computer assisted language learning (CALL) program written in the computer language, PROLOG. It will provide a practice exercise to teach "lexical phrases" to second language learning students of English. Lexical phrases are lexico-grammatical "chunks" of words, which possess specific pragmatic functions within spoken discourse (Nattinger and DeCarrico, 1992). These form/function composites of varying length aid conversational fluency. The program presents a scenario where the participants are college students who pass one another in the hallway. After they exchange initial greetings, the first participant (i.e., the computer) informs the other student that a test, …

The Japanese Approach To The End Of The Pacific War, Atsuo Hirano

Dissertations and Theses

Before World War II ended with the Japanese surrender to the Allied Nations on August 15, 1945, the United States dropped the atomic bomb on a Japanese city of Hiroshima. For fifty years, the question of whether the atomic bomb was necessary to end the war has been discussed by historians and journalists.

The purpose of this thesis is to clarify the Japanese situation in the spring and summer of 1945 by reading the statements and ideas of the Japanese Emperor, government officials and military officers at the time.

Since the Japanese Emperor was believed to have played a significant …

"With A View Toward Their Civilization": Women And The Work Of Indian Reform, Terri Christian Theisen

Dissertations and Theses

During the late nineteenth and early twentieth centuries, white middle and upper class women active in reform became involved in the movement for American Indian reform. Focusing on the so-called "Indian problem," groups such as the Women's National Indian Association (WNIA) were formed to address the injustices against, and sufferings of, American Indian people at the hands of the U.S. military due to the increasing pressures and demands of western migration. This study addresses the role white women played in the movement for Indian reform through their involvement either as part of the WNIA membership or as missionaries, teachers or …

Nonlinearities In The Base Emitter Junction Of Heterojunction Bipolar Transistors, Oliver Woywode

Dissertations and Theses

The nonlinear behaviour of the base emitter junction in HBTs is investigated. Nonlinearities cause troublesome distortion and intermodulation of signals and raise the bit error rate. They are therefore a key issue in microwave communication systems. Hewlett-Packard's Microwave Design System (MDS) software package has been used to simulate these phenomena. The simulation results are verified by an analytical method called nonlinear current method which is a derivative of the Volterra series approach. With the aid of this method new analytical expressions are derived that provide insight into the subtleties of nonlinear phenomena. These expressions are evaluated by the program MAPLE …

An Examination Of Factors Influencing Self Versus Supervisory Referrals To An Employee Assistance Program, Jeffrey M. Gray

Dissertations and Theses

It is estimated that 20% of American employees have some sort of a personal problem that substantially hinders their work performance. This can result in future consequences for both the employee and employer, such as loss of job by the employee and increased expenses for the employer. Employee Assistance Programs (EAP's) are one of the leading approaches used in an attempt to mitigate problems experienced by distressed workers. EAP's are formal intervention systems that assist employees with a variety of personal problems. Studies have shown that EAP's are effective in treating employee problems, however, most employees do not take advantage …

Temperament And Language Development In First Grade Children, Loretta Marcia Kellogg

Dissertations and Theses

Many young children develop language over a broad range of ages yet present as having normal language development. When language development lags behind what is considered a normal time line, it is important to consider the various factors that may contribute to the delay in development. The purpose of the current study was to examine various aspects of temperament among three groups of children with varying language histories. The specific question to be answered was, do significant differences occur on parent and clinician questionnaires of temperament among three groups of first grade children demonstrating varying levels of language development: those …

Where The Extreme Right Took Root: A Comparison Of Midwestern Counties In The 1980s, Joseph B. Allen

Dissertations and Theses

This thesis evaluates two theories purporting to explain the rise of right-wing extremism in the Midwest during the farm crisis of the 1980s. The pluralist argument suggests that Midwestern right-wing extremism was rooted in previous episodes of agrarian radicalism. The political tradition perspective, on the other hand, claims that right-wing extremism in the Midwest was rooted in traditional conservatism. To evaluate these theories, an analysis of ten counties was performed. Particular attention was paid to seven variables which theorists argue point agriculturally based communities down political paths of radicalism or conservatism. Regional analyses were also performed on those counties which …

Relationship Of Marital Types And Conflict Styles, Lynn Marie Stanek

Dissertations and Theses

Communication is an integral part of all relationships. The intent of this study was to discover if certain individual preferences for approaching conflict occur in a significant fashion between the partners of particular types of marriages. In addition, this study meant to better understand how conflict is perceived and responded to, in marriage and/or long term relationships. Fitzpatrick's (1977) Relational Dimensions Inventory (RDI), was used for this study to characterize three dimensions of marriage: interdependence, ideology, and conflict engagement/avoidance, resulting in the following marital types: Traditionals, Independents, Separates, and Mixed. Rahim's (1983) instrument, the Rahim Organizational Conflict Inventory (ROCI), was …