Index Catalog // ScholarsArchive@OSU

A comparison of porous polymers used in collecting organic volatiles in foods

Creator:: Boyko, Alayne Linda
Abstract:: Porapak Q, Chromosorb 102, and Tenax GC, three porous polymers commonly used as adsorbents in headspace analyses were investigated. The retention times of various low-boiling compounds relative to water were measured on the collection columns to determine which compounds would be lost during the water removal step employed after sampling...
Resource Type:: Masters Thesis
Full Text:: " Title: A COMPARISON OF POROUS POLYMERS USED IN COL- LECTING ORGANIC VOLATILES IN, FOODS Abstract

The use of L-Aspartyl-L-phenylalanine methyl ester (Aspartame) as a sweetening agent in orange sherbet

Creator:: McPherson, Barbara Ann
Abstract:: The objective of this investigation was to develop an acceptable aspartame sweetened orange sherbet which might offer significant caloric reduction and cost advantages, and hence be applicable to commercial production. A control sherbet, with a preference level equal to a commercially available orange sherbet was used as the reference. An...
Resource Type:: Masters Thesis
Full Text:: METHYL ESTER (ASPARTAME) AS A SWEETENING AGENT IN ORANGE SHERBET Abstract approved: i 'Mrs

On the state and parameter estimation of stochastic bilinear systems : a sub-optimal filtering approach

Creator:: Shadman-Valavi, Ali
Abstract:: Bilinear systems due to their variable structure properties offer more versatility in modelling of nonlinear processes than linear systems. The state estimation problem for a continuous bilinear system with a continuous observation model is studied and the results are extended to the case where the observations are of a discrete...
Resource Type:: Dissertation
Full Text:: bilinear systems : a sub-optimal filtering approach AN ABSTRACT OF THE THESIS OF ALI SHADMAN-VALAVI for

Elemental abundances in meteoritic chondrules

Creator:: Osborn, Thomas Ward, III
Abstract:: High-precision instrumental neutron activation analysis has been used to determine Al, Na, Mn, Sc, Cr, Fe, Co, and Ni in a suite of more than 500 chondrules from 26 distinct meteorites. These meteorite specimens represent the H, L, LL and C chemical classes and most of the petrologic types. In...
Resource Type:: Dissertation
Full Text:: Abstract approved: Roman A. Schmitt High-precision instrumental neutron activation analysis has been

Seasonal response of bitterbrush to burning and clipping in eastern Oregon

Creator:: Clark, Robert G.
Abstract:: Bitterbrush [Purshia tridentata (Pursh) DC] plants were burned or clipped, fall and spring, under different soil moisture conditions on two sites in east-central Oregon. Treatments, on plants of an erect growth form on the Juniperus/Artemisia-Purshia site resulted in 38% of the fall-clipped and 40% of the spring-clipped plants sprouting. None...
Resource Type:: Masters Thesis
Full Text:: generally creates a low, compact, tightly hedged appearance (McConnell and Smith 1977). To maintain stands

Oregon biography index

Creator:: Brandt, Patricia A. and Guilford, Nancy
Abstract:: Oregon Biography Index is intended to serve primarily as a starting point in locating biographies of Oregonians. We have indexed 47 historical volumes which are either entirely devoted to biographies or have large self-contained biographical sections. The profiles in the books vary widely in accuracy and detail. Birth dates of...
Resource Type:: Book
Full Text:: INTRODUCTION Oregon Biography Index is intended to serve primarily as a starting point in locating

Conditional expectation given a [sigma]-lattice

Creator:: Lee, Chu-in Charles
Resource Type:: Dissertation
Full Text:: Conditional expectation given A Lattice. Isotonic

Medication error rates in a hospital with a ward stock distribution system

Creator:: Franklin, Jack Richard
Abstract:: Medication error rates have long been a subject of interest among the pharmaceutical, nursing, and medical professions. The basic purpose of medication error studies has been to discover the quantity and type of errors which exist, thus enabling the investigator to evaluate the relative safety of various drug distribution systems...
Resource Type:: Masters Thesis
Full Text:: Medication error rates in a hospital with a ward stock

An analytical model of heat transfer to a horizontal cylinder immersed in a gas fluidized bed

Creator:: Adams, Ronald Lynn
Abstract:: A steady gas convection model of heat transfer to a horizontal cylinder immersed in a gas fluidized bed is presented. Contributions due to flow within attached bubbles as well as the interstitial voids are included. The interstitial flow is approximated as flow within a series of double cusped channels and...
Resource Type:: Dissertation
Full Text:: An analytical model of heat transfer to a horizontal

Spring, summer and fall use by cattle and big game on foothill rangelands

Creator:: Miller, Richard F.
Abstract:: The objectives of this study were to evaluate environmental factors influencing use of several plant communities by cattle, elk and deer; determine under story production by plant species and the amount utilized by cattle, elk and deer in certain plant communities; evaluate the interactions of range use between cattle, elk...
Resource Type:: Masters Thesis
Full Text:: McConnell and Smith (1965) associated only a six pound to the acre loss for every one percent increase in

A study of the sodium + potassium-activated adenosinetriphosphatase in brine shrimp Artemia salina, Nauplii

Creator:: Peterson, Gary Lee
Resource Type:: Dissertation
Full Text:: : A STUDY OF THE SODIUM + POTASSIUM-ACTIVATED ADENOSINETRIPHOSPHATASE IN BRINE SHRIMP, ARTEMIA

Factors which differentiate United States students who wish to study in cross-cultural educational programs

Creator:: Heisler, Mary Kathryn, 1943-
Resource Type:: Dissertation
Full Text:: Anne J. Tr ow The purpose of this study was: 1) to ascertain the effect of a student's demographic

Average beta and gamma decay energies of the fission products

Creator:: Wu, Chi Hung
Resource Type:: Dissertation
Full Text:: 150 whose beta and gamma decay energies have been measured. The rest were predicted by a fitting

A comparison of theoretical decay heat calculations and experimental data

Creator:: Bjerke, Michael Alan
Abstract:: The experimental measurements of the decay heat from the products of the thermal fission of U-235 have been compared with the OSU-proposed decay heat standard. These experiments are intended to verify the decay heat calculational methods and nuclear data files. The comparisons have included the previous experiments reviewed by Perry...
Resource Type:: Masters Thesis
Full Text:: A comparison of theoretical decay heat calculations and

A bibliography of bitterbrush (Purshia tridentata (Pursh) DC.) : annotated from 1967 to 1978

Creator:: Clark, Robert G., Britton, C. M. (Carlton M.), and Oregon State University. Agricultural Experiment Station
Abstract:: Bitterbrush (Purshia tridentata (Pursh) DC.) is one of the most widely distributed shrubs in western North America. Its value as a browse species has been recognized for more than half a century. Recent concern for the ecological significance of shrubs in natural ecosystems and the serious depletion of many big...
Resource Type:: Technical Report
Full Text:: F7I CopLj A Bibliography of Bitterbrush (Purshia tridentata

The United States Forest Service : a historical bibliography, 1876-1972

Creator:: Ogden, Gerald and Forest History Society
Abstract:: Gerald W. Williams Collection
Resource Type:: Book
Full Text:: The United States Forest Service A Historical Bibliography, 1876-1972 Compiled by Gerald R. Ogden

Analysis of a ³²P material balance method for measuring periphyton production in flowing water

Creator:: Gregory, Stanley Vincent
Abstract:: The ³²P material balance method for measuring periphyton production and grazing rates on periphyton in streams developed by Elwood and Nelson (1972) was evaluated by laboratory and field experiments. Three basic assumptions of the method were examined: 1) sloughing of periphyton from substrates is negligible, 2) sorption of ³²P onto...
Resource Type:: Masters Thesis
Full Text:: within a chamber (Odum, 1956; McConnell and Sigler, 1959; Kobayasi, 1961; McIntire et al., 1964; Lane

The distribution of partial quotients in the simple continued fraction expansion of a real number

Creator:: Bland, Steven Andrew
Abstract:: By using continued fractions the set of positive irrationals can be put in one to one correspondence with the set of sequences of positive integers. The entries of an arbitrary sequence of integers can be any subset of Z and each integer appearing can occur once, infinitly often, or anything...
Resource Type:: Masters Thesis
Full Text:: continued fraction expansion of a real number AN ABSTRACT OF THE THESIS OF STEVEN BLAND for the degree of

A revision of the North American species of Pactopus Leconte and Trixagus Kugelann (Coleoptera: Throscidae)

Creator:: Yensen, Arthur Eric
Abstract:: This study was undertaken to find means of separating the morphologically similar species of North American Trixagus and to bring together information on Trixagus and Pactopus. A key to separate the world's eight genera of extant Throscidae is presented for the first time. A key to the five species of...
Resource Type:: Masters Thesis
Full Text:: A revision of the North American species of Pactopus

A study to determine the effects of a college human sexuality course upon student sex knowledge and attitudes toward selected sexual topics

Creator:: Vennewitz, Peter Jan
Abstract:: The purpose of this research was to determine the effects of a college human sexuality course upon sex knowledge, attitudes toward sexual behaviors of non-significant others, and attitudes toward the sexual behaviors of self and spouse. In addition, the study sought to investigate the relationship between knowledge gain and attitude...
Resource Type:: Dissertation
Full Text:: A study to determine the effects of a college human

Response of natural microbial populations to ultraviolet irradiation in a simulated estuarine microcosm

Creator:: Thomson, Bruce Edward
Abstract:: Ozone, present in the earth's atmosphere, filters incident solar ultraviolet radiation such that only a portion of the total ultraviolet spectrum emitted by the sun reaches the planet's surface. Violation of the integrity of this filter could mean an alteration in the solar ultraviolet radiation penetrating the atmosphere. Atmospheric increases...
Resource Type:: Masters Thesis
Full Text:: ultraviolet irradiation in a simulated estuarine microcosm AN ABSTRACT OF THE THESIS OF BRUCE EDWARD

The physiological response of a marine phytoplankton species, Dunaliella tertiolecta to mid-wavelength ultraviolet radiation

Creator:: Wolniakowski, Krystyna U.
Resource Type:: Masters Thesis
Full Text:: The physiological response of a marine phytoplankton

Charles Babbage, philosopher, reformer, inventor : a history of his contributions to science

Creator:: Bell, Walter Lyle
Abstract:: This history concerns the scientific contributions of Charles Babbage (1791-1871) to mathematics, to the invention of calculating machines, and machine tools, to the development of scientific ideas through a wide variety of scientific investigations and his involvement in several different scientific reforms. Babbage considered himself a philosopher in the broadest...
Resource Type:: Dissertation
Full Text:: Charles Babbage, philosopher, reformer, inventor : a

Impact of a human sexuality course on university students' knowledge, attitudes, and acceptability of sexual behaviors

Creator:: Schmall, Vicki L.
Resource Type:: Dissertation
Full Text:: degree of Doctor of Philosophy in Family Life Presented on May 2, 1977 Title: Impact of a Human

Development and rationale for a minimum pollution product trademark which consumers can identify with minimum pollution products

Creator:: Whyte, William James
Abstract:: Note: From here on Minimum Pollution Product and MPP will be used interchangeably. This study was initiated to develop a trademark which could be registered and used for advertising purposes by companies producing and selling products which are minimum pollutants relative to competitive products in the same market. One of...
Resource Type:: Masters Thesis
Full Text:: Development and rationale for a minimum pollution product

A comparison of perceptions of campus environments and of student services functions with institutional vitality in private colleges

Creator:: Snodgrass, G. William
Abstract:: The purpose of the study was to compare perceptions by faculty, students and administrators of the campus environments of eight small, independent liberal arts colleges in Oregon and to determine if similar or like perceptions of the environment lead to greater vitality in each of the colleges studied. In the...
Resource Type:: Dissertation
Full Text:: the institution to function effectively or optimally. A random sample of 50 junior and senior

A study of continuing pharmaceutical education and other factors correlating with pharmaceutical competency in the states of Oregon and Idaho

Creator:: Warner, Marlys Ann
Abstract:: The purpose of this study was to determine if a relationship exists between a Competency Index Score and the following: educational background, professional attitudes toward the changing role of the pharmacist, participation in continuing pharmaceutical education, and various demographic and miscellaneous characteristics. A mail questionnaire was sent to a random...
Resource Type:: Masters Thesis
Full Text:: A Study of Continuing Pharmaceutical Education and Other

A marine geophysical study of Vizcaino Bay and the continental margins of western Mexico between 27 ̊and 30 ̊north latitude

Creator:: Calderon, Gustavo
Resource Type:: Dissertation
Full Text:: degree of Doctor_of_Ppjy in_ Geophysics presented on August 8, 1978 Title: A MARINE GEOPHYSICAL STUDY

A study of perceived and preferred ratings of institutional goals and priority rankings as viewed by faculty, students, and administrators at Oregon State University

Creator:: Taylor, William Lawrence
Abstract:: This study was undertaken as a result of an interest in the present and future purposes and functions of higher education. American society and higher education are moving through a period of change. Since each shapes and is shaped by the other, change in either may require a review and...
Resource Type:: Dissertation
Full Text:: Department) (Date) Title: A STUDY OF PERCEIVED AND PREFERRED RATINGS OF INSTITUTIONAL GOALS AND PRIORITY

A study to compare the effects of three different methods of reading copy when proofreading straight paragraph copy materials by first-year typewriting students

Creator:: Wong, Shirley M. (Shirley Mabel)
Abstract:: An experimental study was conducted with beginning typewriting students to investigate the effects of two variables in proofreading straight copy paragraph materials in the independent method of proofreading. One was the influence of repetition which was examined through the use of three different methods of reading. The second was the...
Resource Type:: Dissertation
Full Text:: A study to compare the effects of three different methods

A comparison of changes in the perception of the university environment by freshmen students who reside in coeducational and in single-sex residence halls

Creator:: Miller, Robert Allen
Abstract:: The purpose of this study was to compare the changes in the perception of the university environment that occurred in four selected .groups of freshmen residence hall students: females residents in single-sex halls (N = 150), female residents in coeducational halls (N = 89), male residents in single-sex halls (N...
Resource Type:: Dissertation
Full Text:: A comparison of changes in the perception of the

Effects of intramuscular administration of selenium in dairy cattle on levels of erythrocyte glutathione peroxidase and blood selenium

Creator:: Hoffman, Charles Chase
Resource Type:: Masters Thesis
Full Text:: is re-utilized by re-incorporation into new RBC's. McConnell (1963) found that, following a single

Histologic effects of chronic selenium deficiency in selected tissues of laboratory rats

Creator:: Sprinker, Lucas Harry
Abstract:: The selenium-responsive syndromes and the discovery of Factor 3-selenium focused attention on selenium in metabolism. Two hypotheses have been advanced to explain the metabolic effect of selenium: 1) substitution or sparing of alpha tocopherol, and 2) a primary role in metabolism. The first hypothesis is supported by Scott and Desai,...
Resource Type:: Masters Thesis
Full Text:: metabolic effect of selenium: 1) substitution or sparing of alpha tocopherol, and 2) a primary role in

Investigations concerning heat transfer involving wedge-shaped configurations

Creator:: King, John Michael
Abstract:: The temperature field inside a "truncated" wedge is investigated. For this purpose the two dimensional Green's function of the heat equation for this domain is established. Further applications of these results center around a problem of heat conduction investigated by Lebedev.
Resource Type:: Masters Thesis
Full Text:: approved: Fritz Oberhettinger The temperature field inside a "truncated" wedge is investi- gated. For

Oregon forage and livestock references

Creator:: Oregon State University. Agricultural Experiment Station
Abstract:: Published March 1977. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: ,.... , v. '- ;.- -I ?8,A .,.,,,, Ali 'cl) :.,-- c")."( 4

Gravity measurements and their structural implications for the continental margin of southern Peru

Creator:: Whitsett, Robert Manning
Abstract:: A free-air gravity anomaly map of the continental margin of Peru between 12° and 18° S. Lat. shows a -110 to -220 mgl anomaly associated with the Peru-Chile Trench, a -60 mgl anomaly over the Pisco Basin on the continental shelf, and -120 mgl anomaly over the Mollendo (or Arequipa)...
Resource Type:: Dissertation
Full Text:: : RichardW. Couch A free-air gravity anomaly map of the continental margin of Peru between 12° and 18° S

History of Federal water resources programs and policies, 1961-1970

Creator:: Holmes, Beatrice Hort
Abstract:: This publication is a comprehensive account of major Federal programs and policies relating to conservation and development of water and related land resources and to water pollution control in the years 1961 to 1970. It discusses most relevant Federal legislation and the functioning of Federal and federally-assisted programs involving research,...
Resource Type:: Book
Full Text:: is a comprehensive account of major Fed- eral programs and policies relating to conservation and

Selenomethionine and methionine in in vitro rabbit reticulocyte hemoglobin synthesis and in Escherichia coli tRNA aminoacylation

Creator:: McCoy, Kim Edward Monroe
Abstract:: Selenomethionine and methionine have been postulated to be similarly involved in protein synthesis. This thesis has evaluated this hypothesis from a molecular and genetic approach. Selenomethionine and methionine were incorporated into rabbit reticulocyte hemoglobin at the same rates and in equal quantities. Each methionine demonstrated competitive inhibition for its analog...
Resource Type:: Dissertation
Full Text:: involved in protein synthesis. This thesis has evaluated this hypothesis from a molecular and genetic

Selenium effects and species differences in hepatic metabolism of pyrrolizidine alkaloids and other xenobiotics

Creator:: Shull, Lee R.
Abstract:: The metabolism of pyrrolizidine alkaloids and other drugs was studied with regard to nutritional status and species differences. Pyrrolizidine alkaloids which are biotransformed to severely toxic metabolites were isolated from tansy ragwort (Senecio jacobaea). Semi-purified alkaloid crystals containing five alkaloids (senecionine, seneciophylline, jacobine, jacoline, and jacozine) were prepared and found...
Resource Type:: Dissertation
Full Text:: changes occurring with time resulting from a single administration (i.p.) of the alkaloidal preparation

Isoconjunctivity of hermitian matrices

Creator:: Vander Beek, John Wayne
Abstract:: In this thesis we define two nxn matrices T and S to be isoconjunctive if there exists an nxn nonsingular hermitian matrix H such that T = HSH. We then proceed to establish necessary and sufficient conditions that two nxn matrices T and S be isoconjunctive in the case where...
Resource Type:: Dissertation
Full Text:: - ular. In Chapter III we first obtain a canonical form, under contragradient conjunctivity, for a pair

Genetic-protein level interaction in growth and carcass traits of market hogs

Creator:: Boyd, Steven Michael
Abstract:: Progeny from three sires of differing genetic background were divided within litters by sex and placed on either a 15 or 19% protein ration. The test period began when the experimental animals weighed 60 pounds and continued until they were slaughtered at 225 pounds. This test period was divided into...
Resource Type:: Masters Thesis
Full Text:: either a 15 or 19% protein ration. The test period began when the experimental animals weighed 60

The association and distribution of fish species in Nyanza Gulf, Lake Victoria, East Africa, 1975

Creator:: Wanjala, Benny
Abstract:: A trawling survey was conducted on Nyanza Gulf, Lake Victoria, East Africa during March-December 1975 to investigate association and distribution of the major fish species and to provide information for management of the fishery. A total of 139 sites was sampled and all fishes caught were counted, measured, and weighed....
Resource Type:: Masters Thesis
Full Text:: approved: J75Met ny. NAal--/ A trawlin ey was conducted on Nyanza Gulf, Lake Victoria, East Africa during

An approach to thermal convection problems in geophysics with application to the earth's mantle and ground water systems

Creator:: Lowell, Robert P.
Abstract:: Two thermal convection problems of geophysical interest are examined, theoretically. First, convection in the earth's mantle is treated on the basis of a one-dimensional 'strip model'. This model results from further simplification of the well known 'Rayleigh model'. For homogeneous, Newtonian fluids, the strip model yields results similar to those...
Resource Type:: Dissertation
Full Text:: , theoretically. First, convectionin the earth's mantle is treated on the basis of a one-dimensional 'strip model

The crustal structure and tectonic framework of the Gulf of Panama

Creator:: Briceno-Guarupe, Luis Alberto
Abstract:: Gravity and magnetic data from cruises by the R/V Yaquina in 1973 and the R/V Wecoma in 1975 provide new data that make possible the construction of a map of the free-air gravity anomalies at sea and simple Bouguer anomalies on lano in Panama, western Colombia, and the eastern Panama...
Resource Type:: Masters Thesis
Full Text:: - struction of a map of the free-air gravity anomalies at sea and simple Bouguer anomalies on lano in Panama

Geologic structure of the western continental margin of south central Baja California based on seismic and potential field data

Creator:: Coperude, Shane Patrick
Abstract:: Marine geophysical data from the continental margin of Baja California and the Gulf of California, and geological and geophysical data from the Baja California Peninsula and mainland Mexico, outline the major geologic and tectonic features of the Baja California Peninsula and the surrounding areas from 24.5° N. Lat. to 27.5°...
Resource Type:: Masters Thesis
Full Text:: . McConnell and McTaggart- Cowan (1963) list the results of a seismic refraction station in mainland Mexico

The influence of background, peers, and faculty on the development of autonomy in college freshmen

Creator:: Erekson, Charles Franklin
Abstract:: The purpose of this investigation was to identify sources of influence on one major growth trend for college students: the development of autonomy. Specifically, the study focused on whether change in autonomy in college freshmen was related to the background of the students, their associations with peers, their contacts with...
Resource Type:: Dissertation
Full Text:: of contact with faculty experienced by the students was measured by a self-report assessment

Some possible roles for selenium in the reproductive physiology of the male graytailed vole (Microtus canicaudus)

Creator:: Whitfield, Stephen Curtiss
Abstract:: The testes of the gray-tailed vole (Microtus canicaudus Miller) exhibited a high affinity for selenium relative to other selected tissues. Uptake of selenium-75 in the testis-epididymis complex was delayed relative to uptake by the whole body, kidney, and liver. This pattern of uptake suggested that selenium was metabolically incorporated into...
Resource Type:: Masters Thesis
Full Text:: canicaudus Miller) exhibited a high affinity for selenium relative to other selected tissues. Uptake of

Crustal structure of the Baja Peninsula between latitudes 22 ̊N and 25 ̊N

Creator:: Huehn, Bruce
Abstract:: Geophysical data collected in 1975 and 1976 reveal major crustal and tectonic elements of the continental margin of southern Baja California. Gravity, magnetic, seismic reflection and bathymetric data show seaward extension of the islands enclosing Magdalena and Almejas Bays. A seismic reflection profile, oriented approximately normal to the trend of...
Resource Type:: Masters Thesis
Full Text:: enclosing Mag- dalena and Almejas Bays. A seismic reflection profile, oriented approximately normal to the

Electrochemical studies of liquid chlorocuprates(I)

Creator:: Silkey, James R.
Abstract:: This research emphasized fundamental physical and electrochemical studies of systems based on the room temperature fused salt, triethyl-ammonium dichlorocuprate(I). Such systems, which must be maintained under a protective atmosphere, were also used in some preliminary battery studies. Spectra of dark green solutions of copper (II) chloride in triethylammonium dichlorocuprate(I) obey...
Resource Type:: Masters Thesis
Full Text:: chloro-bridged complex of the type postulated by McConnell and Davidson, since a crystallographic study

An analysis of the impact of residential setting on the development of selected dimensions of self-actualization

Creator:: Schroeder, Charles C.
Abstract:: The purpose of this research was to determine if there were initial differences in selected dimensions of self-actualization, as measured by the Personal Orientation Inventory (POI), between the freshmen who selected co-educational residence halls and those who selected single-sex residence halls; and to determine if the type of residence hall...
Resource Type:: Dissertation
Full Text:: hall affected the development of certain dimensions of self-actualization for these students over a

Search Constraints

Search Results

Limit your search