Digital Commons Network^™

Adjustment Problems Of Chinese College Students In The United States, Terry Shu-Fang Hu

Dissertations and Theses

This is a study of selected adjustment problems among Chinese students from Hong Kong and Taiwan attending two Oregon universities, Portland State University and University of Oregon, with data gathered by questionnaire, in the school year 1973-1974.

A Phytochemical Investigation Of Liverwort Frullania Franciscana Howe, Timothy Ta-E Huang

Dissertations and Theses

Liverwort Frullania franciscana Howe was found high on the allergic test scale by J. Mitchell of the Medical School of the University of British Columbia and co-workers. Frullanolide was isolated from Frullania tamarisci by J.D. Connoly and by G. Oisson and his co-workers.

The plant sample, collected in Oregon, was hand separated, confirmed, air dried and milled before the extractions were done. A Soxhlet extraction with ether and cold extractions with n-hexane and with ether were carried out. Ether is a better extraction solvent than n-hexane for cold extraction.

Column chromatography was used for the separation of the extract based …

A Spectrographic Analysis Of Bahasa Indonesia Vowel Phonemes Under Primary Stress In Cvc Words, Ingrid T. Hanna

Dissertations and Theses

This study is an investigation into the nature of the vowel phonemes of Bahasa Indonesia in monosyllabic words, under primary stress, and consisting of a consonant followed by vowel followed by a consonant. Bahasa Indonesia is the national language of the Republic of Indonesia. All of the material in the literature relating to the vowel quality of this language is highly impressionistic. Some of the descriptions are comparisons with vowels in various modern Indo-European languages rather than scientific descriptions of strictly Indonesian vowel quality.

Teaching Hearing-Impaired Children Language Through The Use Of Musical Rhythm, Naomi Anne Banducci

Dissertations and Theses

While several authors have indicated specific methods for teaching rhythm, there is no single, comprehensive source available which could serve as a teaching guide in this important area of aural rehabilitation. The current paper represents an initial attempt to fulfill this need. The purpose ot this paper is to provide a survey of the different methods and avenues for teaching the rhythm of language to hearing impaired children.

Cryogenic Thin-Film Electron Emitters, Pavel Smejtek, David G. Onn, M. Silver

Physics Faculty Publications and Presentations

Thin‐film electron emitters are described, which operate below 200°K and below a limiting critical applied voltage (νc) in a stable temperature‐independent regime. Current‐voltage characteristics and normal electron energy distributions are presented. Fabrication and operation criteria are outlined. Comparison with temperature‐dependent emitters is made, and possible conduction mechanisms discussed briefly.

Air Breakdown In A Radial-Mode Focusing Element, Lee W. Casperson, Mohammad Shabbir Shekhani

Electrical and Computer Engineering Faculty Publications and Presentations

A new radial focusing device is described that condenses an incident laser beam to an extremely intense and uniformly illuminated focal spot. The focal region is useful for many applications. When used with a 10.6-µm CO₂ TEA laser source, a disk-shaped air-breakdown spark results, and the properties of this spark have been investigated.

A Study Of The Adsorption Of Some Atmospheric Gases On Soils Of The Willamette Valley River Basin, Thomas R. Quale

Dissertations and Theses

Recent work indicates that microorganisms present in soils can remove carbon monoxide from the atmosphere and as such constitutes a major sink. B.E.T. adsorption studies were carried out on representative soils from the Willamette Valley River Basin in order to determine their adsorptive characteristics for carbon monoxide and other gases. Attempts were made to isolate, through a non-soildestructive sterilization, the adsorptive characteristics of the soil microorganisms as well as of the test soil.

The carbon monoxide studies show physical adsorption equivalent to the coverage of a few per cent of the surface area at 25.0° and 76 cm-Hg. Adsorption studies …

A Preliminary Investigation Of The Land Use Limitations Of The Major Landforms Along A Portion Of The Lincoln County Coast, Oregon, Richard Kent Mathiot

Dissertations and Theses

This study of a portion of Oregon's Lincoln County coast describes the physical limitations to land use of the various landforms in the study area. Seven major landform types comprise the study area: beaches, active dunes, stabilized dunes, marsh land and tidal flats, marine terraces, basaltic headlands, and uplands. Descriptions and evaluations of their physical characteristics, distribution, geologic and and engineering characteristics, and potentially hazardous processes are contained in the maps, figures, and text.

Environmental Geology Of The Marquam Hill Area, Roger Alan Redfern

Dissertations and Theses

This work on Marquam Hill area in Portland, a relatively undeveloped urban hillside area, is a pilot study in which environmental factors are evaluated quantitatively in order to delineate limitations on development. The study was undertaken at the request of and in cooperation with the City of Portland Planning Commission and with the State of Oregon Department of Geology and Mineral Industries. Factors considered include various aspects of the land, vegetation and attitudes of inhabitants. Findings are not intended to satisfy need for individual site studies by qualified experts but should show where that expertise is needed.

Field data were …

Biostratigraphy Of The Type Yamhill Formation, Polk County, Oregon, Larry R. Gaston

Dissertations and Theses

One hundred and seventy-four species and varieties of fossil Foraminifera are recorded from thirty-eight localities in the Siletz River Volcanics, Yamhill and Nestucca Formations exposed along Mill and Gooseneck Creeks, in the Northern Coast Range of Oregon. Marginulina holmesi is described as new. The Foraminifera indicate that this sequence was deposited during late Ulatisian and Narizian time, in marine waters at bathyal or lower neritic depths, with cool surface temperatures. The Yamhill Formation can be correlated with Moody Shale member of the Toledo Formation and the Coaledo Formation of Oregon; the McIntosh and Aldwell Formations of Washington; and the upper …

Portland State Perspective; November 1973, Portland State University

Portland State Perspective

A quarterly alumni newsletter. In this issue: Chancellor Roy Lieuallen shares his views on the search for a replacement for outgoing President Wolfe; report on 'Generation III', television programming for the elderly; a look at sabbaticals.

"Nkrumism: The Correct Ideology For The African Revolution", Stokely Carmichael

Special Collections: Oregon Public Speakers

No abstract provided.

From Portland To The Pacific: An Environmental Studies Tour Via The Wilson River Highway, John O. Dart

Occasional Papers in Geography

Occasional Papers in Geography Publication No. 2

This field guide is the outgrowth of several years experience conducting field courses in conservation and environment and the recognition that little has been prepared for this area through which thousands of Oregonians travel each year, particularly during the summer season.

A Test Of The Simple Recessive Hypothesis For The Inability To Taste Phenyl-Thio-Urea: A Family Study, Susan I. Wolf

Dissertations and Theses

This thesis is a report on the analysis of family data gathered to test the simple recessive hypothesis for the inability to taste phenyl-thio-urea (P.T.C.). The simple recessive hypothesis states that the inability of a minority of persons to taste high concentrations of P.T.C. is due to the action of an autosomal recessive gene in the homozygous condition.

Hot Electron Injection Into Dense Argon, Nitrogen, And Hydrogen, Pavel Smejtek, M. Silver, K. S. Dy, David G. Onn

Physics Faculty Publications and Presentations

Hot electrons have been injected into very dense argon, nitrogen, and hydrogen gases and liquids. The current‐voltage characteristics are experimentally determined for densities (N) of argon, nitrogen, and hydrogen ranging from about 10²⁰ to 10²² cm⁻³ and applied fields (E) ranging from about 10 to 10⁴ V cm⁻¹. The argon data show a square root E∕N dependence of the current. The nitrogen and hydrogen data show a complicated dependence of the current on E∕N due to the rapid thermalization in the region of the image potential of the injected electrons through inelastic collision processes not present in argon. A hydrodynamic‐two‐fluid …

Ernst Cassirer And The Synthesis Of The Past: A Paradigm In The History Of Ideas, Mart Stewart

Dissertations and Theses

The problem of a method of historical analysis played an integral part in the scholarship of Ernst Cassirer, German philosopher and historian. An Essay on Man, the work for which he is best known in the United State, includes his most lucid discussion of the tasks and aims of the historian. The historian must reconstruct the past, infusing it with the immediacy of a living expression. "Rebirth of the past" gives man a better view of his potentialities, a freedom to see beyond the demands, characteristics, and contingencies of the moment.

This view of history and the historian's task …

Contributions Of Peter Pallas To Science And Exploration In Russia, Robert C. Parker

Dissertations and Theses

This thesis presents an account of a prominent eighteenth-century European naturalist, Peter Pallas (1741-1811), in the setting to which he contributed his scientific talents--the St. Petersburg Academy of Sciences. A complete outline of Pallas' life is presented for purposes of continuity, but the heart of the thesis is presented in chapters four and five, which combined, relate the major features of Pallas' career in Russia. These two chapters are set against pertinent background material, most of which is involved with the institution itself which supported Pallas. The St. Petersburg Academy of Sciences is surveyed in its origin and development in …

Response Of Orthotropic Bridge Decks To Highway Loadings, Harry Morris Rexin

Dissertations and Theses

This thesis documents the fabrication, testing techniques, and response of a plastic scale model of an orthotropic bridge deck. To economically investigate a two-lane steel bridge deck, plastic Acrylic^R was used as a modeling material. Welds were simulated with dichloromethane, a capillary action solvent, and PS-30, a polymerizable cement. Deflections were measured with laboratory dial guages while strains were monitored with strain guages mounted on the deck.

The response of the deck to AASHO vehicle axle loads was compared with a discrete element computer program used to analyze orthotropic bridge decks continuous over flexible supports. Results indicate good correlation …

The Doctrine Of Experience In The Philosophy Of Jonathan Edwards, Puritan Divine, Joseph S. Trachtenberg

Dissertations and Theses

A number of basic themes suggest themselves as focal points for a study of the thought of Jonathan Edwards. The dissertation is an attempt to argue that experience is one of them, and that an attentive eye to the doctrine of experience will reveal it as the unifying theme of his philosophy. Specifically, at the center of Edwards' aesthetic and religious vision there lies a rich and profound sense of experience, and of the relation of all things to some form of perception.

The evidence is to be found in Edwards' extensive published and unpublished writings. Among the several editions …

The Bedrock Geology Of The Southwest Part Of The Kachess Lake Quadrangle, Washington, David Carl Lofgren

Dissertations and Theses

The southwestern part of the Kachess Lake quadrangle lies between Lakes Cle Elum and Kachess, on the east flank of the central Cascade Range of Washington. The region lies between the North and South Cascade petrologic provinces, and includes rocks typical of each. Pre-Tertiary Easton Schist (called the Shuksan Suite farther north), and the Late Cretaceous-Paleocene Swauk Formation occur widely in the North Cascades, while the Tertiary Silver Pass Volcanics and Teanaway Basalt are typical of South Cascade volcanic sequences. Diabasic dikes of the Teanaway dike swarm occur throughout the vicinity.

The area is bounded on the west by a …

1973 Commencement Program, Commencement

Commencement Archives 1970-79

The program for the Portland State University Spring commencement ceremony held June 9, 1973 at 3:00 p.m. at Memorial Coliseum, Portland, Oregon.

Granulometric Analysis Of Recent Sediments Of Tillamook Bay, Oregon, Gennaro William Avolio

Dissertations and Theses

The author has sampled the recent bottom sediments in Tillamook Bay, Oregon. Sediment distribution is assessed in relation to sediment source areas and related to sedimentary environments. Particular attention was directed to the precision with which granulometric data can be stated. It was found that variance is quite high for granulometric parameters of the bay sediments.

Sediment distribution using different measures are displayed on charts of the bay. Size distributions of sediments at any given location are examined for geologic significance. Plotting of size distribution on graph paper using probability ordinate is shown to increase the ease of geologic interpretation. …

Digital Computer Solution Of Electromagnetic Transients In Large Power Systems, Bijan Navidbakhsh

Dissertations and Theses

This thesis is an introduction to the solution of electromagnetic transients by a combination of the Bergeran method of characteristics and the application of trapezoidal rule of integration.

Three test examples solved by digital computer illustrate the step by step solution and computer programming.

To compare this method with the Laplace transformation technique, a test problem solved by both methods and also digital computer is illustrated. In conclusion, the advantages and disadvantages of both methods are compared.

The Random Sequence Closing Control System, Henri Bernard Joyaux

Dissertations and Theses

This thesis describes a digital control system used by the Network Analog Group of the Bonneville Power Administration. This system, the Random Sequence Closing Control System, provides automatic control for a special purpose analog computer used in the study of switching surge over voltages on power transmission lines. This system, which uses pseudorandom data, has made it feasible to analyze switching surge phenomena on a statistical basis.

A Tectonic Study Of A Part Of The Northern Eagle Cap Wilderness Area, Northeastern Oregon, Kenneth Gordon Neal

Dissertations and Theses

Upper Triassic metavolcanic and metasedimentary strata in the study area are intruded by the Hurricane Divide and Craig Mountain Plutons of the Late Jurassic-Cretaceous Wallowa Batholith. The Clover Creek Greenstone is overlain by the Martin Bridge Limestone, which is in tum overlain by the Hurwal Argillite; although the sequence is in normal stratigraphic order, contacts are generally tectonic. Concurrent with Early-Middle Jurassic regional deformation, during intermediate to mafic dikes, emplacement of the plutons of the Wallowa Batholith began. The plutons intruded vertically through the greenstone and limestone and then horizontally above the greenstone. This resulted in intense penetrative plastic deformation …

A Cross-Class Survey Of Synaesthesia In High School Students And Its Biocultural Implications, Ina Jane Wundram

Dissertations and Theses

It has been suggested in the literature that Synaesthesia, as an expression of syncretic thought, would be more common in non-Western than in Western cultures. Given the lack of availability of widely divergent cultural groups and the general lack of knowledge about the phenomenon, it was decided to study the possibility that synaesthesia in our society might be related to socio-economic class. A group of high school students from a broad range of socio-economic backgrounds was studied, and the results suggest that the occurrence of synaesthesia is not related to class. In addition, it was found that 50% of the …

Spatial Variations In The Intra-Urban Response To A Noise Source, Wilbur David Conder

Dissertations and Theses

Most research on the urban sonic environment has been recent. One finding has been that physical noise exposure indices calibrate poorly with human noise response. The vagaries of human response to noise have given impetus to research to isolate the factors that differentiate human response to noise. The present thesis continues this research.

The thesis specifies human noise response to occur on three levels: awareness, annoyance, and complaint. The factors that structure each level of noise response are identified in the published Iiterature.

Noise awareness is a function of noise exposure. Noise annoyance is a function of noise exposure to …

Portland State Perspective; April 1973, Portland State University

Portland State Perspective

A quarterly alumni newsletter. In this issue: Thomas Lowe Hughes announced as commencement speaker; a look at the pseudoscorpion by environmental science researchers; PSU grants first MS in Geography.

The Characteristics And Genesis Of Stone Stripes In North Central Oregon, John Baine Pyrch

Dissertations and Theses

Stone stripes are linear accumulations of rock debris separated by finer material and oriented down the steepest available slope. In north central Oregon, the stone stripes are composed of basalt fragments and occur where the soil mantle averages less than 1 m in depth. They are best developed in areas of higher elevation, usually from about 900 to 1100 m, and are most prominent on convex to straight slopes of 15 to 30 degrees. The stripes vary from a few meters to over 150 in length, and their widths range from 0.3 to over 3 m. The depth of the …

A New Inquiring System For Technology Transfer And Its Role In Planning And Policymaking, Kishandutt Jaydayal Sharma

Dissertations and Theses

The importance of technology transfer to produce structural change in developing regions has been well established. However, most previous transfers to developing regions have been unplanned or triggered by actions rather than decisions. Most previous inquiries have been based on unidimensional, sectorial and mostly economic views of technology transfer; this author believes these to be inadequate representations of the transfer process. This dissertation proposes a new inquiring system for technology transfer; one which emphasizes a multidimensional viewpoint of the technology transfer process. Further, this dissertation claims to make three unique contributions: 1. a new hierarchical structure for examining the technology …