Index Catalog // ScholarsArchive@OSU

Approaches to the synthesis of trichothecenes

Creator:: Kim, No-soo
Resource Type:: Dissertation
Full Text:: Abstract of the Thesis of No-Soo Kim for the degree of Doctor of Philosophy in Chemistry presented on

Seedling recruitment of hairy nightshade and other summer annual weeds in irrigated row crops

Creator:: Peachey, Ronald Edward
Abstract:: This study evaluated the effects of tillage system, rotational tillage sequences, and winter seed burial depth on weed seedling recruitment in irrigated cropping systems. Notill (NT) planting of vegetable crops reduced emergence of hairy nightshade by 77 to 99% and Powell amaranth emergence from 50 to 87% compared to conventional...
Resource Type:: Dissertation
Full Text:: ................................................................................................ 73 4.2. Cumulative seedling recruitment of hairy nightshade seeds from soil tubes under field

At what level has standards-based education reform initiatives influenced Oregon high school history instruction and classroom practices?

Creator:: Lowe, Eric V.
Abstract:: The purpose of this dissertation is to investigate Oregon public high school history teacher perspectives concerning standards-based reform initiatives springing from the No Child Left Behind legislation. The central question addressed in this study is: At what level has Standards-Based Education reform initiatives impacted Oregon high school history instruction and...
Resource Type:: Dissertation
Full Text:: perspectives concerning standards-based reform initiatives springing from the No Child Left Behind

Traditional ecological knowledge to develop and maintain fire regimes in northwestern California, Klamath-Siskiyou bioregion : management and restoration of culturally significant habitats

Creator:: Lake, Frank K.
Abstract:: The use of Native American fire regimes evolved in the Klamath-Siskiyou bioregion over millennia. A mixture of Native American and Euro-American socio-cultural management has developed from adaptations to climate, topography, ecological processes, and land use practices. This research incorporates Traditional Ecological Knowledge (TEK) to partially examine the role of tribal...
Resource Type:: Dissertation
Full Text:: .....................................................26 Discussion

A quadratic programming algorithm for deriving efficient farm plans in a risk setting

Creator:: Bauer, Leonard
Abstract:: The main focus was on developing an algorithm and supporting computer programs for use by extension personel to counsel farm managers on problems of enterprise choice. Investigation was initiated from the complete certainty viewpoint of linear programming. Upon introducing uncertainty, ramifications of changing expected income, variance and the correlation coefficient...
Resource Type:: Dissertation
Full Text:: Philosophy (Name) (Degree) in Agricultural Economics presented on June 26, 1970 (Major) (Date) Title: A

The relationship of a problem-based calculus course and students' views of mathematical thinking

Creator:: Liu, Po-Hung
Abstract:: It has been held that heuristic training alone is not enough for developing one's mathematical thinking. One missing component is a mathematical point of view. Many educational researchers have proposed problem-based curricula to improve students' views of mathematical thinking. The present study reports findings regarding effects of a problem-based calculus...
Resource Type:: Dissertation
Full Text:: of Doctor of Philosophy in Mathematics Education presented on August, 26. 2002. Title: The

The Calvin impact crater, Cass County, Michigan : identification and analysis of a subsurface ordovician astrobleme

Creator:: Milstein, Randall L.
Abstract:: The Calvin impact crater is an isolated, nearly circular subsurface structure of Late Ordovician age in southwestern Michigan. The crater is defined by 110 on and gas test wells, has a rim to rim diameter of 6.2 km, an overall dimensional diameter of 8.5 km and consists of a central...
Resource Type:: Dissertation

Theory of Inhomogeneous Fluids

Creator:: Krebs, Eric J.
Abstract:: This dissertation reports on the computational physics research in the area of inhomogeneous fluids. I first discuss the theory background for this work beginning with water, which is important for the two published articles that are presented in this work (Chapters 5 and 6). Next, I give a brief overview...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Eric J. Krebs for the degree of Doctor of Philosophy in Physics presented on August 26, 2015

An experimental/analytical investigation of deep submerged multiple buoyant jets

Creator:: Kannberg, Landis Dee
Abstract:: The results of an experimental and analytical study of deep submerged multiple-port thermal discharges are presented. The experimental results include the measured downstream thermal dilution, width, and centerline trajectory of the buoyant thermal plume from multiport jets. Independent parameters for which measurements were obtained include port spacing, discharge Froude Number,...
Resource Type:: Dissertation
Full Text:: Experimentally Obtained Trajectories for L/D = 5,0, Crossflow Discharge 157 No. Page 73 Comparison of Model

Douglas-fir bark : n-hexane-soluble and volatile materials

Creator:: Fang, Henry Hai-loong
Abstract:: Douglas-fir bark was extracted with n-hexane. A light-colored "wax-like" solid was recovered from the extract by evaporation of the solvent. Chemically intact sterol esters and ferulic acid esters were isolated from the "wax" without saponification or degradation as had been necessary in former investigations. The characterization of the intact esters...
Resource Type:: Dissertation

Development of a model for context evaluation of community college competency-based curricula

Creator:: Noonan, Arthur Barry
Abstract:: Purpose of the Study: The purpose of this study was to develop and field test a model for context evaluation of objectives used in competency-based curricula at the community college level. The study: 1. Developed a decision and information matrix that identified objectives which should be considered for deletion from...
Resource Type:: Dissertation
Full Text:: degree of DOCTOR OF PHILOSOPHY in EDUCATION presented on March 26, 1979. Title: DEVELOPMENT OF A MODEL

Digitalization of Construction-Phase Information Management by Project Owners

Creator:: Jahanger, Qais K.
Abstract:: Construction is a strategically important industry and its productivity has a significant impact on a nation’s economy. However, productivity in the US construction industry has been widely reported to be on the decline. Among several causes identified, the lack of innovation in project management practices has been described as having...
Resource Type:: Dissertation
Full Text:: Jahanger for the degree of Doctor of Philosophy in Civil Engineering presented on May 26, 2020

Canonical states in quantum statistical mechanics

Creator:: Kvarda, Robert Edward
Abstract:: This report presents a characterization of the quantum mechanical analog of the Gibbs canonical density. The approach is based on a method developed by D.S. Carter for the case of classical statistical mechanics, which considers composite mechanical systems composed of mechanically and statistically independent components. After a brief introductory chapter,...
Resource Type:: Dissertation
Full Text:: Ph. D. in Mathematics (Name) (Degree) (Major) Date thesis is presented August 26, 1965 Title

Using the National Health and Nutrition Examination Survey to Explore the Relationship between Food Insecurity, Childhood Lead Poisoning, and Attention Deficit Hyperactivity Disorder in Children

Creator:: Sparks, Megan M.
Abstract:: Lead is a ubiquitous environmental toxin known to cause neurological deficits in children. There is no biological need for lead and no safe level of lead in the body has ever been identified. Despite dramatic decline in mean blood lead levels nationwide since the U.S. EPA’s ban on lead-based paint...
Resource Type:: Dissertation
Full Text:: . Sparks for the degree of Doctor of Philosophy in Public Health presented on August 26, 2020. Title

A green algal symbiont in Clinocardium nuttallii

Creator:: Hartman, Michael Colyn
Abstract:: Clinocardium nuttallii from Yaquina Bay, Oregon, were found to harbor an algal symbiont in the siphon, mantle and occasionally the foot tissues. Approximately 35 percent of the population in the study area was infected to some degree with the alga; however, no cockles under two years of age were infected....
Resource Type:: Dissertation
Full Text:: of the population in the study area was infected to some degree with the alga; however, no cockles

Chest/breast protectors for female athletes : cushioning properties and effect on selected physiological and performance variables

Creator:: Lawson, LaJean
Abstract:: Female participation in high-contact sports has increased dramatically in the past two decades, raising concern regarding injury to the female breast and the need for protective equipment. While the use of chest/breast protectors by women is advocated, little is known of their efficacy and effect on athletic performance. The purpose...
Resource Type:: Dissertation
Full Text:: Jean Lawson for the degree of Doctor of Philosophy in Education presented on July 26. 1991. Title

Critical heat flux estimation for annular channel geometry

Creator:: Pagh, Richard T.
Abstract:: Critical Heat Flux (CHF) is an important safety parameter for the design of nuclear reactors. The most commonly used predictive tool for determination of CHF is a look-up table developed using tube data with an average hydraulic test diameter of 8 mm. There exist in the world today nuclear reactors...
Resource Type:: Dissertation
Full Text:: Engineering presented on April 26, 2001. Title: Critical Heat Flux Estimation for Annular Channel Geometry

A comparison of the metacognitive behaviors of field independent and field dependent pre-service teachers

Creator:: Carr, Maureen Sherry
Abstract:: Research studies indicated that differences in cognitive processing style influence individual behavior on various types of tasks. This study investigated the effect of the cognitive style dimension, field independence-dependence, on the metacognitive functioning of individuals involved in three problem tasks which varied in inherent structure. Twenty-six subjects were randomly selected...
Resource Type:: Dissertation
Full Text:: the degree of Doctor of Philosophy in Education presented on April 26, 1990 Title: A Comparison of

Moral dilemmas of bulimics and non-bulimics : a study of voice and self in eating disorders

Creator:: Wiggum, Candice Diehl
Abstract:: The central question of this study was to examine the moral orientation and the role of self in subject generated moral dilemmas for information on the developmental and cultural forces contributing to the etiology and maintenance of eating disorders in college women. The research was based on the theories of...
Resource Type:: Dissertation
Full Text:: of Doctor of Philosophy in Counseling presented on November 26. 1991. Title: Moral Dilemmas of

An analysis of the population dynamics of selected avian species

Creator:: Henny, Charles J.
Abstract:: The impact that pesticides may have had on the mortality rates and productivity rates of non-game birds during the last 25 years was evaluated by studying the population dynamics of 16 species. A mathematical model showing the relationships between population parameters that yielded stable populations was developed. The information needed...
Resource Type:: Dissertation
Full Text:: DOCTOR OF PHILOSOPHY (Name) (Degree) in WILDLIFE ECOLOGY presented on -St..1-No.-ZA1 113t) (Major) (Date

Effect of Holland personality type similarity and family ideology on marital satisfaction among dual-career spouses

Creator:: Gennette, Michael M.
Abstract:: The purpose of this study was to determine if Holland vocational personality type similarity and/or traditional/ egalitarian family ideology affected marital satisfaction among dual-career spouses. The population for this study was Oregon State University graduate students and faculty, married to spouses who had career aspirations outside the home. Holland personality...
Resource Type:: Dissertation
Full Text:: . Gennette for the degree of Doctor of Philosophy in Counseling presented on October 26, 1984. Title

Effect of varying levels of vitamin B-6 intake on lymphocyte mitogenic response and vitamin B-6 concentration in human peripheral blood mononuclear cells

Creator:: Kwak, Ho-Kyung
Abstract:: Two studies were conducted to determine the effect of varying vitamin B-6 (B- 6) status on lymphocyte mitogenic response and pyridoxal 5'-phosphate (PLP) concentration in peripheral blood mononuclear cells (PBMC) in young women. In the first study, women were fed 1 mg/d for the first week and 1.5, 2.1 and...
Resource Type:: Dissertation
Full Text:: Doctor of Philosophy in Nutrition and Food Management presented on July 26, 2001. Title: Effect of

The self-concept and perceived importance of athletic competition of winners and losers in special olympics

Creator:: Luttrell, William Lynn
Abstract:: Special Olympics International, an organization committed to providing sport opportunities for children and adults with mental retardation, has been a major advocate in promoting competitive experiences for the mentally retarded. Few studies have focused on the effects of participation in competitive athletics on individuals who are mentally retarded. The purpose...
Resource Type:: Dissertation
Full Text:: the degree of Doctor of Philosophy in Education presented on April 26, 1991. Title: The SelfConcept

The role of the city manager in policy making : a study of differences in the conception of actual and perception of ideal policy making roles of the city manager by elected mayors and appointed managers in small California council-manager municipalities

Creator:: Feldman, Steven, 1954-
Abstract:: In recent years, the role of the City Manager in municipal policy making has been the focus of considerable attention and debate in both the academic and local government arenas. The purpose of this study was to determine the differences in views of elected mayors and appointed managers with regard...
Resource Type:: Dissertation
Full Text:: November 26, 1985. Title: The Role of the City Manager in Policy Making: A Study of Differences in the

Effects of irrigation and nitrogen on cauliflower development, yield and quality

Creator:: Bratsch, Anthony D.
Abstract:: Field experiments were conducted with cauliflower (Brassica oleracea var. botrytis cv. Snowball Y ) to determine crop development, yield, quality and maturity response to various seasonal water levels, and to specific water stress timing in relation to curd initiation. The effects of nitrogen rate, timing, and source and the application...
Resource Type:: Dissertation
Full Text:: of Doctor of Philosophy in Horticulture presented on April 26 1993. Title: Effects of Irrigation

Risk factors associated with predicting involuntary weight loss among elderly nursing home residents

Creator:: Satheannoppakao, Warapone
Abstract:: The purposes of this study were to investigate patterns and causes of weight loss among elderly long-term care residents and to examine the relationship between weight changes and the nursing home survival. The study was designed to accomplish five objectives: 1) to examine the rate and degree of the first...
Resource Type:: Dissertation
Full Text:: for the degree of Doctor of Philosophy in Nutrition and Food Management presented on February 26

Bioherbicide use of plant defensive compounds in meadowfoam seed meal

Creator:: Intanon, Suphannika
Abstract:: Meadowfoam (Limnanthes alba Hartw. ex Benth) seed meal (MSM), a by-product of meadowfoam oil extraction, has a plant defensive compound known as glucosinolate glucolimnanthin (GLN). Myrosinase enzymes present in soil microbes and meadowfoam seeds can convert GLN to glucosinolate breakdown products (GBPs), which demonstrate herbicidal activity and have the potential...
Resource Type:: Dissertation
Full Text:: Philosophy in Crop Science presented on September 26, 2013. Title: Bioherbicide Use of Plant Defensive

Aluminum toxicity studies in rice (Oryza sativa L.)

Creator:: Martinez-Racines, Cesar P.
Abstract:: A nutrient solution technique developed for wheat was used to determine tolerance of rice cultivars to aluminum (Al) toxicity. Pre-germinated rice seed was placed on top of a screen and allowed to grow on the Al-free solution for 72-96 hours or until the primary root was 2-3 cms long. Seedlings...
Resource Type:: Dissertation
Full Text:: the degree of Doctor of Philosophy in. Agronomic Crop Science presented on August 26, 1976 Title

A study of effective consultant teachers' leadership styles and personality preferences

Creator:: Savelsbergh, Mary
Abstract:: The purpose of this study was to determine the relationships among leadership style (telling, selling, participating and delegating), personality preferences (Extravert/Introvert, Sensing/Intuitive, Feeling/Thinking, Judging/Perceiving and effectiveness as a consultant teacher. The sample consisted of thirty-one consultant teachers from Oregon: twenty from the Portland School District, five from the Gresham School...
Resource Type:: Dissertation
Full Text:: Doctor of Philosophy in Education presented on July 26, 1988, Title: A Study of Effective Consultant

Addressing the future of water in Oregon : a look at the human and institutional factors shaping Oregon water management

Creator:: Wolters, Erika Allen
Abstract:: Oregon is a state with great social and ecological diversity. Unfortunately however, Oregon's water-rich reputation is more rumor than reality. As with many Western states, Oregon struggles with water scarcity, especially during dry summer months. Recent efforts by the state to develop an integrated water resource strategy (IWRS) to manage...
Resource Type:: Dissertation
Full Text:: Environmental Science presented on April 26, 2012. Title: Addressing the Future of Water in Oregon: A Look at

BaCuChF (Ch = S, Se, Te) p-type transparent conductors

Creator:: Zakutayev, Andriy
Abstract:: BaCuChF (Ch = S, Se, Te) materials are chalcogen-based transparent conductors with wide optical band gaps (2.9 – 3.5 eV) and a high concentration of free holes (10¹⁸ – 10²⁰ cm⁻³) caused by the presence of copper vacancies. Chalcogen vacancies compensate copper vacancies in these materials, setting the Fermi level...
Resource Type:: Dissertation
Full Text:: Zakutayev for the degree of Doctor of Philosophy in Physics presented on April 26, 2010. Title

Nutritional strategies to improve the reproductive performance of beef females

Creator:: Cappellozza, Bruno Ieda
Abstract:: In the first set of studies, 2 experiments evaluated the influence of supplement composition on ruminal forage disappearance, performance, and physiological responses of Angus × Hereford cattle consuming a low-quality, cool-season forage (8.7 % CP and 57 % TDN). In Exp. 1, 6 rumen-fistulated steers housed in individual pens were...
Resource Type:: Dissertation
Full Text:: Cappellozza for the degree of Doctor of Philosophy in Animal Sciences presented on February 26, 2015

Farm level response to agricultural effluent control strategies : the case of the Willamette Valley

Creator:: Taylor, Michael L. (Michael Lester), 1960-
Abstract:: Changes in the structure of the U.S. agricultural industry since World War II have transformed it into a highly productive component of the domestic economy. But these changes have not occurred without indirect costs. For example, the reliance on agricultural chemicals has produced environmental effects causing growing concern. In addition,...
Resource Type:: Dissertation
Full Text:: Report no. 418, 1978. By region, the Pacific states (California, Oregon and Washington) are the largest

The effects of new science materials and inservice training on teaching styles in the Ciskei, South Africa

Creator:: Macdonald, Mary Allyson
Abstract:: The purpose of the study was to analyze and compare the teaching styles of a trial group of junior secondary science teachers trained to use and using new materials, and a control group of teachers using traditional materials. The new materials consisted of portable science kits, demonstration apparatus, teacher's guides,...
Resource Type:: Dissertation
Full Text:: for the degree of Doctor of Philosophy in Science Education presented on June 26, 1981 Title: The

The attitudes of Oregon State Penitentiary minority inmates towards activity programs as a rehabilitative tool

Creator:: McIntosh, Mathew Allen
Abstract:: The purpose of this study was to determine the attitudes of three Oregon State Penitentiary minority inmate groups - Blacks, Hispanics, and Native Americans - towards the Activities Programs as a rehabilitative tool. Two other purposes were to (1) determine significant differences among group attitudes, and (2) determine the degree...
Resource Type:: Dissertation
Full Text:: . McIntosh for the degree of Doctor of Philosophy in Education, presented on April 26, 1984. Title: The

Location of prune dwarf and prunus necrotic ringspot viruses in sweet cherry pollen and fruit

Creator:: Kelley, Randall David
Abstract:: The location of prune dwarf virus (PDV) and Prunus necrotic ringspot virus (PNRSV) in pollen and seed from infected and healthy sweet cherry trees pollinated with infected pollen was investigated. Virus-like particles were observed in the cytoplasm of pollen grains from PDV-infected cherry trees using transmission electron microscopy. No particles...
Resource Type:: Dissertation
Full Text:: of Doctor of Philosophy in Botany and Plant Pathology presented on September 26, 1983. Title

Ultrastructure of parenchyma and sclereids in Douglas-fir [Pseudotsuga menziesii(Mirb.)Franco] bark

Creator:: Dougal, Edward Francis
Abstract:: Because Douglas-fir [Pseudotsuga menziesii(Mirb.)Franco] bark is a raw material produced in our renewable forests along with wood, an understanding of the ultrastructure of bark cells is of paramount importance if wood technologists are to utilize the bark to the fullest potential. The objectives of this study were to develop microscopic...
Resource Type:: Dissertation
Full Text:: Dougal for the degree of Doctor of Philosophy in Forest Products presented on August 26, 1981 Title

Remote Sensing of Photosynthetic Light-use Efficiency of the Amazonian Rainforests

Creator:: De Sousa, Celio Helder Resende
Abstract:: When conditions for photosynthesis are unfavorable, excess solar radiation is dissipated as heat from leaves through a shift in xanthophyll pigments that result in reflecting rather than absorbing light at some wave lengths. The shift in xanthophyll pigments can be quantified as a photochemical reflectance index (PRI) by monitoring specific...
Resource Type:: Dissertation
Full Text:: the degree of Doctor of Philosophy in Forest Ecosystems and Society presented on July 26, 2017

The role of small mammals as dispersers of mycorrhizal fungal spores within variously managed forests and clearcuts

Creator:: McIntire, Patrick W.
Abstract:: Small-mammal community composition, microhabitat selection, and dispersal of mycorrhizal fungal spores were studied in southwestern Oregon. Sampled habitats exhibited structural variation resulting from silvicultural practices. In 1981, the effect of clearcut treatment on these phenomena was evaluated. In 1982, the effect of forest structure was studied. Discriminant function analysis (DFA)...
Resource Type:: Dissertation
Full Text:: . McIntire for the degree of Doctor of Philosophy in Wildlife Science presented on April 26, 1985 Title

Experimental analysis of task prioritization training for a group of university flight technology students

Creator:: Hoover, Amy L.
Abstract:: Task prioritization performance was evaluated for pilots who participated in a concurrent task management (CTM) training course and pilots who did not. CTM is the process by which pilots selectively attend to high priority tasks and shed non-priority tasks. Twenty seven pilots enrolled in a university flight technology program were...
Resource Type:: Dissertation
Full Text:: degree of Doctor of Philosophy in Education presented on April 26, 2005. Title: Experimental Analysis of

Modernizing school communication systems: using text messaging to improve student academic performance

Creator:: Crisp, Matthew Scott
Abstract:: The emerging use of portable digital devices by students, parents and teachers, is forcing schools to develop real-time communication systems that integrate technology into the general operations of schools, and contemplate governing policies and procedures to sustain and guide the challenges of these new technologies. This study contributes to this...
Resource Type:: Dissertation
Full Text:: Education presented on May 26, 2009. Title: Modernizing School Communication Systems: Using Text

Cyperus esculentus control with glyphosate : time of application and addition of ammonium sulfate

Creator:: Costa, Jaime
Abstract:: Cyperus esculentus L. var. esculentus is a serious weed problem in northwest Spain. Long-term control from glyphosate and other herbicides has been inconsistent. Field, greenhouse, and laboratory studies were conducted on factors influencing the activity of glyphosate on C. esculentus. In field studies, glyphosate controlled foliage growth at most growth...
Resource Type:: Dissertation
Full Text:: Doctor of Philosophy in Crop Science presented on April 26, 1985 Title: Cyperus esculentus Control with

Factors controlling halogenated and nonhalogenated alkene growth substrate range of vinyl chloride-utilizing bacteria

Creator:: Taylor, Anne Elizabeth
Abstract:: This thesis explores the factors limiting the alkene substrate range of the vinyl chloride (VC)-utilizing bacteria, and describes a method for measuring VC transformation in situ. Vinyl fluoride (VF) was evaluated as a surrogate for monitoring aerobic VC-transformation utilizing three isolates, Mycobacterium EE13a, Mycobacterium JS60 and Nocardioides JS614. JS614 grew...
Resource Type:: Dissertation
Full Text:: Engineering presented on September 26, 2008. Title: Factors Controlling Halogenated and Nonhalogenated

Life history variables of Dicamptodon salamanders

Creator:: Wagner, Lisa A.
Abstract:: It is good practice to fully understand components of an ecosystem if we hope to preserve its biodiversity. A problem is that we know very little about some organisms and nothing of others. Studies that investigate an organism’s basic biological, ecological and physiological life history variables advance our knowledge of...
Resource Type:: Dissertation
Full Text:: Environmental Science presented on September 26, 2014. Title: Life History Variables of Dicamptodon

Faculty perspectives on diversity curriculum

Creator:: Ayala, Javier Ivan
Abstract:: This research addresses how instructors move from surface levels of diversity understanding to deep levels. The focus was higher education instructors who taught in a general education program, primarily teaching freshman students. The case location is at a public institution on the West coast. Using the literature on diversity and...
Resource Type:: Dissertation
Full Text:: Presented on September 26, 2008. Title: Faculty Perspectives on Diversity Curriculum. Abstract

The neuromuscular effects of a long-term static stretching program on the human soleus

Creator:: Hayes, Bradley T.
Abstract:: The purpose of this research was to evaluate the effects of a long-term static stretching program on flexibility and spinal reflexes in the human soleus muscle. Day-to-day reliability over two days of H-reflex gain (Hslp/Mslp) and pre-synaptic inhibition of spinal reflexes in the human soleus was measured in an initial...
Resource Type:: Dissertation
Full Text:: degree of Doctor of Philosophy in Exercise and Sport Science presented on July 26. 2005. Title: The

Histochemical study of some enzymes of the common liver fluke, Fasciola hepatica L.

Creator:: Panitz, Eric
Abstract:: Acid and alkaline phosphatase was localized histochemically in the intestinal epithelium and excretory duct respectively in fresh frozen sections of Fasciola hepatica. Polyphenol oxidase was localized in the vitellaria, vitelline ducts and egg-shells. The distribution and nature of esterases was examined histochemically. Acetyl-cholinesterase was observed in the tegument, neural ganglia,...
Resource Type:: Dissertation
Full Text:: had no inhibitory effect while TAC partially inhibited the staining reaction. Incubation of adult

A role for maize ROP2 GTPase in the male gametophyte

Creator:: Carroll, Kirstin Arthur
Abstract:: ROP GTPases are crucial regulators of pollen tube growth. The Rop GTPase family in maize consists of nine known rop genes, ropl-rop9. A subset of these genes (rop2, rop8, and rop9) are expressed in pollen. The rop2 and rop9 genes are a highly conserved duplicate gene pair of ancient origin....
Resource Type:: Dissertation
Full Text:: the degree of Doctor of Philosophy in Molecular and Cellular Biology presented on October 26. 2004

Microwave scattering from surf zone waves

Creator:: Catalán Mondaca, Patricio A.
Abstract:: Wave breaking in the surf zone is an important forcing mechanism on the generation of nearshore currents and in the driving of sediment transport. At the same time, wave breaking can have significant spatial and temporal variability that needs to be accounted for in the description of nearshore processes. Remote...
Resource Type:: Dissertation
Full Text:: for the degree of Doctor of Philosophy in Civil Engineering presented on November 26, 2008. Title

Suppression of Microdochium Patch on Annual Bluegrass Putting Greens using Iron Sulfate, Phosphorous Acid, Sulfur, and Mineral Oil

Creator:: Mattox, Clint M.
Abstract:: Managing Microdochium patch on intensively manicured annual bluegrass putting greens is a challenge for turfgrass professionals in cool-humid climates similar to the Pacific Northwest. Fungicides are the predominant means to mitigate damage caused by this fungal pathogen, however pesticide restrictions are making it even more challenging to suppress Microdochium patch....
Resource Type:: Dissertation
Full Text:: Mattox for the degree of Doctor of Philosophy in Horticulture presented on February 26, 2020

Anaerobic reductive dechlorination of TCE and TCFE in TCE contaminated sediments : enhanced bioremediation and bioaugmentation

Creator:: Lee, Jae-Hyuk
Abstract:: This research focused on the enhanced reductive dechlorination of trichloroethene (TCE) and its surrogate, trichlorofluoroethene (TCFE), using two bioremediation methods in anaerobic conditions. Two anaerobic bioremediation studies were conducted to investigate the effects of microbial communities in the presence of different electron acceptors and donors during anaerobic reductive dechlorination of...
Resource Type:: Dissertation
Full Text:: 26, 2006. Title: Anaerobic Reductive Dechlorination of TCE and TCFE in TCE Contaminated Sediments

Assessing Managed Aquifer Recharge Potential: Regional to Local Evaluation

Creator:: Gibson, Maria
Abstract:: Although surface water constitutes less than 1.5% of freshwater supply, historical development of surface water sources continues to mark the landscape. However, over- exploitation of groundwater is now at its highest, and 25% of the world’s 1.7 billion population live in water scare regions. As glaciers and snowpack disappear due...
Resource Type:: Dissertation
Full Text:: on November 26, 2018 Title: Assessing Managed Aquifer Recharge Potential: Regional to Local

Inheritance of resistance to barley yellow dwarf virus disease in barley

Creator:: Sieveking, William Earl, 1932-
Abstract:: Studies were conducted on artificially infected susceptible and resistant barley varieties in an attempt to determine the effect of barley yellow dwarf virus on the growth and development of these plants. A resistant and a susceptible variety were infected at four stages of growth and harvested at two stages. Roots,...
Resource Type:: Dissertation
Full Text:: that the susceptible variety, Hannchen, exhibits a low level of resistance to the disease. No

New Insights on the Southern Ocean Carbon Cycle from Biogeochemical Argo Floats

Creator:: Williams, Nancy L.
Abstract:: The Southern Ocean plays an important role in the ocean’s uptake of heat and carbon yet the processes controlling this uptake are not well understood. To date, more than 100 biogeochemical profiling floats that measure water column pH, oxygen, nitrate, fluorescence, and backscattering at 10-day intervals have been deployed throughout...
Resource Type:: Dissertation
Full Text:: April 26, 2018. Title: New Insights on the Southern Ocean Carbon Cycle from Biogeochemical Argo

The Experiences of Students Who Complete in a Successful Distance Learning Course

Creator:: Smith, Steve
Abstract:: Background: Prior research has shown that distance learning courses have higher failure rates at community colleges then equivalent face-to-face to courses. There are a few programs and courses, however, that consistently achieve completion rates as high as or higher than their equivalent face-to-face courses. The research to date has not...
Resource Type:: Dissertation
Full Text:: the degree of Doctor of Philosophy in Education presented on September 26, 2017. Title: The

Magmatic processes beneath mid-ocean ridges : insights from mineral and glass chemistry in plagioclase ultraphyric basalts

Creator:: Lange, Amy E.
Abstract:: Prior to eruption at mid-ocean ridges, melts must travel through >6 km of crust from their origin in the mantle. The final composition of the melts is dependent on both the melting conditions and magmatic processes within the crust. While mid-ocean ridge basalt (MORB) glasses are commonly used to infer...
Resource Type:: Dissertation
Full Text:: presented on August 26, 2013 Title: Magmatic Processes beneath Mid-Ocean Ridges: Insights from Mineral and

Relationship of dietary crude protein to factors in uterine secretions and plasma in high producing postpartum dairy cows

Creator:: Jordan, Ellen Rae
Abstract:: Eighteen multiparous, high producing (7,836 kg 4% FCM) Holstein dairy cows were assigned randomly to iso- . caloric rations containing either 12 or 23% crude protein (CP) on day 40 postpartum. After a 10-day adaptation period, uterine secretion and blood samples were collected on the day of estrus (day 0-1),...
Resource Type:: Dissertation
Full Text:: ELLEN RAE JORDAN for the degree of DOCTOR OF PHILOSOPHY in ANIMAL SCIENCE presented on May 26, 1981

Evaluating the Attractiveness of Pacific Northwest Native Plants to Insects and Gardeners

Creator:: Anderson, Aaron G.
Abstract:: Due to a growing body of literature documenting declines in pollinator populations, there has been increased public interest in pollinator conservation. In urban and suburban landscapes, many gardeners and urban land managers are interested in gardening for pollinators, particularly bees. Simultaneously, many homeowners and municipalities are interested in other aspects...
Resource Type:: Dissertation
Full Text:: Northwest, there have been no empirical studies on the most attractive plants to bees. Better

An investigation of the self concept of Alaskan Eskimo adolescents in four different secondary school environments

Creator:: Benjamin, Elizabeth
Resource Type:: Dissertation
Full Text:: Competence Scale. Teachers showed no significant differences in total evaluation scores assigned to the

Effect of waterborne preservative treatments on allowable stress design values

Creator:: Winandy, Jerrold E.
Resource Type:: Dissertation
Full Text:: of Doctor of Philosophy in Forest Products presented on April 26, 1993. Title: Effect of Waterborne

Genesis, mineralogy, and properties of Parkdale soils, Oregon

Creator:: Harris, Billy Lynn
Resource Type:: Dissertation
Full Text:: Free Iron Oxides and Amorphous Components 71 72 72 72 73 73 74 75 Page Electrical Conductivity

A role for plasminogen in rabbit embryo development

Creator:: Grobner, Mark A.
Resource Type:: Dissertation
Full Text:: presented on April 26, 1990 . Title: A Role for Plasminogen in Rabbit Embryo Development Abstract approved

An interpretation of synecologic relationships in the Billy Meadows area of the Wallowa-Whitman National Forest

Creator:: Johnson, Charles G.
Resource Type:: Dissertation
Full Text:: Johnson, Jr. for the degree of Doctor of Philosophy in Rangeland Resources presented on October 26, 1981

A study of the effectiveness of the Oregon DUII (driving under influence of intoxicants) mandated educational program in changing knowledge and attitude concerning driving after drinking

Creator:: Conkey, Judith A.
Abstract:: The primary purpose of this study was to determine the effectiveness of the Oregon Level I Diversion Program in changing knowledge and attitude concerning driving after drinking. A secondary purpose was to determine the effect of the eight different class-time schedules used to teach the required 12-hour curriculum on the...
Resource Type:: Dissertation
Full Text:: of Philosophy in Education presented on April 26, 1984 Title: A Study of the Effectiveness of the

Nucleic acid, carbohydrate and nitrogen status of juvenile and adult tissues of Pyrus species, and effect of storage temperature of Pyrus cuttings on their carbohydrate and nitrogen contents

Creator:: Ali, Chaudary Niaz
Resource Type:: Dissertation
Full Text:: - cluded that the two forms of leaves seemed to have no differences in their ploidy, but the

The Graham Model of bibliosupervision : A multiple-baseline analysis

Creator:: Gauntz, Mary
Abstract:: This dissertation presents the Graham Model of Bibliosupervision (GMB). The purpose of this study is to examine the efficacy of the GMB and its influence on the supervisory working alliance. Specifically this study examines the effectiveness of a non-linear approach to counselor supervision that employs children’s literature as part of...
Resource Type:: Dissertation
Full Text:: Gauntz for the degree of Doctor of Philosophy in Counseling presented on April 26, 2007 Title: The Graham

Breaking silos : interdisciplinary research in kinesiology

Creator:: Schary, David P.
Abstract:: With the growing popularity of kinesiology at the undergraduate level, one would expect the field to be influential. Kinesiology, however, appears to be in a paradox. The undergraduate popularity is not reflected in the rest of academia, or even the general public, many of whom feel kinesiology is not a...
Resource Type:: Dissertation
Full Text:: Exercise and Sport Science presented on February 26, 2014. Title: Breaking Silos: Interdisciplinary

A paradigmatic framework for flight safety

Creator:: Routledge, Garry L.
Abstract:: Statistically, travel by air is one of the safest forms of transportation. Yet we continue to experience aviation tragedies. Do we fully understand flight safety or is there another way of looking at the problem? In this work a new way of approaching the question of flight safety is developed,...
Resource Type:: Dissertation
Full Text:: Manufacturing Engineering presented on April 26. 1991. Title; A Paradigmatic Framework for Flight Safety

Disaggregating Asian American, Native Hawaiian and Pacific Islander Health Data: Cardiovascular Health, Neighborhood Factors, and Socioeconomic Disadvantage Among Older Adults

Creator:: Đoàn, Lan N.
Abstract:: Cardiovascular disease (CVD) is the leading cause of mortality in the United States (US) and research suggests that CVD morbidity and mortality disproportionately impacts Asian American and Native Hawaiian and Pacific Islander (NHPI) older adults. However, the prevalence on CVD and underlying mechanisms for CVD disparities among disaggregated Asian American...
Resource Type:: Dissertation
Full Text:: degree of Doctor of Philosophy in Public Health presented on May 26, 2020. Title: Disaggregating

Physicians' attitudes toward deaf persons and the communication methods used with their deaf patients

Creator:: McNeil, Ellen E.
Abstract:: The central purpose of this study was to examine physicians' attitudes and communication methods which they used with deaf patients. This study was conducted with 100 physicians practicing medicine in Linn and Marion counties in Oregon. Attitude was measured by the Attitude Toward Deaf Persons Scale and was compared to...
Resource Type:: Dissertation
Full Text:: degree of Doctor of Philosophy in Education presented on April 26, 1984 Title: PHYSICIANS ATTITUDES

Ruminal Biodegradation of Heterocyclic Toxic Compounds

Creator:: Tanaree, Dan D.
Abstract:: Cyclic nitramines are a class of compounds that include most of the commonly used explosives today. These are among the most common toxicants released into the environment as a result of human activity, generated on military ranges, battlefields, and production sites. Of these, hexahydro-1,3,5-trinitro-1,3,5- triazine (RDX) is of particular interest,...
Resource Type:: Dissertation
Full Text:: D. Tanaree for the degree of Doctor of Philosophy in Microbiology presented on February 26, 2016

Simulating Wood Properties in the Context of a Growth and Yield Model for Planted Douglas-fir

Creator:: Osborne, Nathaniel L.
Abstract:: Forest growth and yield models are critical to supporting decision making in forestry, but often lack considerations for wood properties. The feasibility of simulating wood properties in the context of a Douglas-fir individual tree growth and yield model was evaluated. This assessment explored the effect of predicted sapwood width, stem...
Resource Type:: Dissertation
Full Text:: Sustainable Forest Management presented on August 26, 2015 Title: Simulating Wood Properties in the

The relationship between social contact and comfort with social interaction among student ethnic groups at Oregon State University

Creator:: Adams, Susan Elizabeth, 1952-
Abstract:: The purpose of this study was to investigate the level of social interaction and social distance or comfort among five undergraduate ethnic groups (African Americans, American Indians, Asian Americans, Caucasian Americans, and Hispanic Americans) at Oregon State University. Another purpose was to explore the correlation between the level of social...
Resource Type:: Dissertation
Full Text:: presented on June 26 1991. Title: The Relationship between Social Contact and Comfort with Social

School-community collaboration as a strategy for meeting the needs of at-risk youth : a case study of selected youth services teams

Creator:: Hobbs, Beverly B.
Abstract:: The purpose of this study was to explore and describe the nature of local school-community human service agency collaboration undertaken to address the needs of at-risk youth. The study focused on the experience of four youth services teams in two Oregon counties. A qualitative, multiple-case study approach was used as...
Resource Type:: Dissertation
Full Text:: Doctor of Philosophy in Education presented on February 26, 1993. Title: School-Community Collaboration

Rate of student participation in college student ratings of instruction

Creator:: Frost, Jacquelyn Lee
Abstract:: This study was conducted to develop a statistical model of the influence of course characteristics on student ratings of instruction. Unique to this study was the inclusion of the student participation rate as a variable. Other course characteristics studied were: expected grade, attendance, grade point average, sex of students, reason...
Resource Type:: Dissertation
Full Text:: of Doctor of Philosophy in Curriculum and Instruction presented on April 26. 1993. Title: Rate of

Motives toward track and field competition of foreign and domestic grant-in-aid student-athletes in NCAA Division I colleges and universities

Creator:: Stidwill, Howard F.
Abstract:: This study sought to chronicle the increased presence of the foreign athlete in NCAA Division I track and field and to assess the competitive motivations of American and foreign track and field athletes. Recruiting pipelines, as well as the successes of foreign athletes on U.S. university track and field teams,...
Resource Type:: Dissertation
Full Text:: on October 26, 1984. Title: Motives Toward Track and Field Competition of Foreign and Domestic

William Keith Brooks (1848-1908) : a case study in morphology and the development of American biology

Creator:: Benson, Keith Rodney
Abstract:: The major historical studies that have examined American biology have emphasized the development of experimental biology at the end of the nineteenth century. In this characterization, the descriptive branch of biology has often been treated as less than important and, in several cases, as a hindrance in the application of...
Resource Type:: Dissertation
Full Text:: the degree of Doctor of Philosophy in General Science (Biological Science) presented on April 26

Managerial competencies for church administration as perceived by seminary faculties, church lay leaders, and ministers

Creator:: Boersma, Stephen A.
Abstract:: The conceptual foundation of the study emerged from a concern regarding the application of managerial competencies in the local church. A review of the literature suggests that in spite of the increasing awareness for the need to make greater use of these skills, little consensus currently exists regarding their relative...
Resource Type:: Dissertation
Full Text:: no specific data available by which to make comparisons, comments on why 26 these differences

The praxis of cultural competence in medical education : using environmental factors to develop protocols for action

Creator:: Stohs, Sheryl Magee
Abstract:: Cultural competence is a topic that concerns social scientists and medical anthropologists who pay attention to demographic changes and health disparities. This study demonstrates practical approaches to developing cultural competence in medical education by using factors from the social environment to develop protocols for action. With current concerns in domestic...
Resource Type:: Dissertation
Full Text:: degree of Doctor of Philosophy in Environmental Sciences presented on April 26. 2005. Title: The Praxis

Transforming STEM Education and Empowering STEM Educators Through Collaborative Learning: Co-creating Critical Identities through Social Justice and Culturally Sustaining Pedagogies

Creator:: Hale, Karla M.
Abstract:: Despite ongoing initiatives and research efforts, the persistent underrepresentation of marginalized groups in Science, Technology, Engineering, and Math (STEM) disciplines in the U.S. has seen little improvement. This study posits that a fundamental change in teacher preparation can lead to more inclusive STEM learning environments. It centers on the development...
Resource Type:: Dissertation
Full Text:: for the degree of Doctor of Philosophy in Education presented on June 26, 2023. Title: Transforming

The Influence of Financial Education on the Perceived Future Financial Behaviors of TRIO Community College Students

Creator:: Cruse, Michele (Michele Monique)
Abstract:: Many low-income and first-generation community college students face disproportionate challenges in their quest for a college education. They typically balance multiple outside obligations, while being solely responsible for making these decisions without adequate knowledge, guidance, or support (Lyons, 2004). Many students begin college without ever having been responsible for their...
Resource Type:: Dissertation
Full Text:: Education presented on May 26, 2016. Title: The Influence of Financial Education on the Perceived

The effects of various factors on the formation and fate of extranuclear chromatic bodies in Tetrahymena pyriformis

Creator:: Salamone, Michael
Abstract:: During karyokinesis in the ciliate, Tetrahymena pyriformis, strain GL-I, an extranuclear chromatin body (ECB) is frequently formed as an excluded mass between the two dividing daughter macronuclei. The formation and fate of ECB's were followed by means of Feu lgen, toluidine blue 0, and euchrysine staining and autoradiography (³H-thymidine). The...
Resource Type:: Dissertation
Full Text:: time. There was no significant difference between the 26° samples so the data have been pooled and are

Complementary and alternative medicine use and perceptions of control among women diagnosed with breast cancer

Creator:: Henderson, Jessica W.
Abstract:: The number of women living with a breast cancer diagnosis will continue to increase with growing breast cancer incidence rates, greater utilization of early detection, and longer length of survival times. The prevalence of complementary and alternative medicine (CAM) is likely to increase as well, making it important to determine...
Resource Type:: Dissertation
Full Text:: degree of Doctor of Philosophy in Public Health presented on June 26, 2001. Title: Complementary and

First-line supervisor competencies in Oregon manufacturing industries as identified by three employment levels

Creator:: Hammer, Rita Lynn
Resource Type:: Dissertation
Full Text:: degree of Doctor of Philosophy in Vocational Education presented on January 26, 1983 Title: FIRST-LINE

A Mixed Methods Analysis of Philippine Labor Export Policies and Impacts on Overseas Filipino Workers

Creator:: O'Steen, Brianna
Abstract:: The Philippines’ labor export system is a complex web of policy instruments that have been amended, repealed, and refined over the last four decades. The laws along with the hortatory tools used to promote them have shaped the lives of millions of Filipinos, separating families across oceans. Temporary labor migration,...
Resource Type:: Dissertation
Full Text:: O’Steen for the degree of Doctor of Philosophy in Public Policy presented on May 26, 2021. Title

The recombination of atomic oxygen

Creator:: Hogan, Lewis Gregory
Abstract:: The three-body heterogeneous and wall recombination coefficients for atomic oxygen were measured using an electron paramagnetic resonance spectrometer to monitor the time dependence of the atomic oxygen concentration. This measurement was made for a pressure range of from .224 to 1.10 torr using pyrolysis of ozone as a source of...
Resource Type:: Dissertation
Full Text:: of molecular oxygen. Part II. 25 6 EPR spectrum of molecular oxygen, Part III. 26 7 Sample of

Tides on the West Florida shelf

Creator:: Koblinsky, Chester John
Resource Type:: Dissertation
Full Text:: ) Dates Start Stop Naples Sea level 26 08.5 81 48.0 - 18262 1/1/73 1/31/75 St. Petersburg Sea level 27

Beaches, Wine, and Weed: Economic Implications of Land Use Change in Oregon

Creator:: Beasley, W. Jason
Abstract:: The economic analysis of land use decisions provides insight into incentive structures faced by landowners and the impacts of landowner decisions on others. Qualifying and quantifying these incentives and impacts offers insight into the relevant characteristics of decision-making. In turn, this allows the researcher to model and predict land use...
Resource Type:: Dissertation
Full Text:: for the degree of Doctor of Philosophy in Applied Economics presented on July 26, 2019. Title

The role of methionine and sulfate in selenate detoxication

Creator:: Fels, Irving Gordon
Resource Type:: Dissertation
Full Text:: (Saccharomyces cerevisiRe) growth by selenate has been found to be reversed by the addition of methionine. No

Influences of a career curriculum on changes in vocational interests of mildly handicapped high school students

Creator:: Koval, David P.
Abstract:: The purpose of this study was to investigate the effectiveness of a course of study developed at the University of Washington to provide a career education class at the beginning of the high school experience for special education students who are mildly handicapped in Tacoma Public Schools. The problem was...
Resource Type:: Dissertation
Full Text:: . Koval for the degree of Doctor of Philosophy in Education presented on October 26, 1987. Title

Optimizing spatial and temporal aspects of nature reserve design under economic and ecological objectives

Creator:: Nalle, Darek J.
Abstract:: Alteration of natural areas in attempts to support increasing human populations has been a crucial yet less publicized contributor to the fall of many of the world's greatest civilizations, since healthy ecosystems can help maintain stable societies and economies. Given this unhappy fact and the ancient relationship between people and...
Resource Type:: Dissertation
Full Text:: degree of Doctor of Philosophy in Forest Resources, presented October 26, 2001. Title: Optimizing

Effects of value self-confrontation on values and academic performance of undergraduates

Creator:: Seyfarth, Leonard H.
Abstract:: This study investigated the following question: If one wants to be a good student and then compares his/her own values with those of good students, will he/she shift values immediately to resemble those of good students, and later improve academic performance? The investigator drew a sample of 237 volunteers of...
Resource Type:: Dissertation
Full Text:: art- ists; public support of Gay Liberation) 21-26 21-26 No (NAACP solicitation 9-10 in 1972; only

The influence of family demographics and individual factors on school readiness : a focus on low-income Spanish-speaking English language learners

Creator:: Díaz, Guadalupe
Abstract:: English Language Learners (ELLs) represent a culturally and linguistically diverse population in US schools. ELLs enter kindergarten with a range of academic and self-regulation skills, but can face multiple challenges navigating the school context (Zwiers, 2013). Previous research documents that low-income ELLs lagged behind in academic achievement, self-regulation, and English...
Resource Type:: Dissertation
Full Text:: 26, 2016. Title: The Influence of Family Demographics and Individual Factors on School Readiness

A model-based methodology for the evaluation of computerized group decision making

Creator:: McNown Perry, Cindy A.
Abstract:: Increased global competition is forcing organizations to increase their use of group decision making today. Computerized group decision support aids (CGDSAs) are being developed to improve the efficiency of these groups and to improve decision quality. Even though the use of CGDSAs has increased, very little research has been done...
Resource Type:: Dissertation
Full Text:: the degree of Doctor of Philosophy in Industrial Engineering presented on September 26, 2001: Title: A

The Oregon sockeye salmon virus : A. Biophysical biochemical characteristics B. antigenic relationship to two other salmonid viruses

Creator:: McCain, Bruce B.
Abstract:: The Oregon sockeye salmon virus (OSV) was isolated from diseased sockeye salmon (Oncorhynchus nerka) fingerlings in 1958 by J. L. Fryer. Experimentation performed prior to the research reported herein indicated that the OSV contained essential lipids, was 100 to 300 mμ in size, and possessed RNA (presumptively identified by 5-bromodeoxyuridine...
Resource Type:: Dissertation
Full Text:: resulted in the formation of a diffuse band of radioactivity with its peak at 26 S and a pronounced

Surface effects in photoemmission from sodium

Creator:: Whitefield, Rodney Joe
Abstract:: An investigation was made of the photoelectric emission from sodium and the alteration in the emission produced by sulfur deposited onto a sodium surface. Measurements were made at the temperature of liquid nitrogen for photon energies between 2.0 ev and 4.5 ev. The sodium was investigated in the form of...
Resource Type:: Dissertation
Full Text:: RESULTS 73 BIBLIOGRAPHY 91 APPENDIX 98 SURFACE EFFECTS IN PHOTOEMISSION FROM SODIUM I. INTRODUCTION

Developmental biology and phenology of the walnut husk fly, Rhagoletis completa Cresson (Diptera: Tephritidae) in the Willamette Valley of Oregon

Creator:: Kasana, Abdulmajid
Resource Type:: Dissertation
Full Text:: THESIS OF Abdulmajid Kasana for the degree of Doctor of Philosophy in Entomology presented on July 26

Beta-particle backscatter factors and energy-absorption scaling factors for use with dose-point kernels

Creator:: Mangini, Colby D.
Abstract:: 'Hot particle' skin dosimetry calculations are commonly performed using homogeneous dose-point kernels (DPK) in conjunction with scaling and backscatter models to account for non-homogeneous geometries. A new scaling model for determining the actual DPK for beta-particles transmitted by a high-Z source material has been developed. The model is based on...
Resource Type:: Dissertation
Full Text:: particle radiation. The National Council of Radiation Protection and Measurement (NCRP) Report No. 106

Galvanostatic control of ion selective electrodes with the solvent polymeric membrane

Creator:: Perera, Hasini R.
Abstract:: Detection technique that proposed utilizing electrochemically controlled, reversible ion extraction into polymeric membrane in an alternating galvanostatic/ potentiostatic mode was introduced. This method is studied in detail to comprehend the advantages of the novel sensor (pulstrode) compared to the potentiometric ion selective electrode (ISE), studies included possible applications and limitations....
Resource Type:: Dissertation
Full Text:: the degree of Doctor of Philosophy in Chemistry presented on May 26, 2009 Title: Galvanostatic

Solid-vapor equilibria of hafnium and zirconium tetrachlorides

Creator:: Landsberg, Arne
Abstract:: The chemically similar elements hafnium and zirconium occur together in nature. Because of their very dissimilar nuclear properties it is of commercial importance to separate them for use in the atomic energy field. One or more of the steps in the separation and purification processes presently used involve the volatile...
Resource Type:: Dissertation
Full Text:: Engineering (Name) (Degree) (Major) Date thesis is presented June 26, 1964 Title SOLID -VAPOR EQUILIBRIA

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