This paper is the record of an exploration of two quadratic
number fields. The first section is devoted to the field with elements
of the form a +b√3 where a and b are rational numbers.
This field contains an integral domain in which unique factorization
holds. The second section is...
The symbiotic relationship between cnidarians, such as corals and
sea anemones, and dinoflagellates plays a crucial role in supporting
the diversity and productivity of coral reefs. Critical to the symbiosis
is the recognition process between host and symbiont at the onset
of symbiosis, which involves the host innate immune system....
Cranberry plants require proper amounts of certain chemical elements from air, water, and soil to ensure adequate vegetative growth and fruit production. When levels of these nutrients in the plant are low, growth and yield may be affected.
Crops were grown using accepted cultural practices within the limits of experimentation or trials were conducted on growers' fields, Most experiments were designed as randomized complete blocks with two to five replications. Herbicide treatments were applied uniformly with equipment ranging from precision plot sprayers to quart jars (granular applications). Unless...
One purpose of this study was to evaluate three commercial
detergents by comparing their removals at 70 and 120°F. of palmitic
acid and clay components of a simulated natural soil which had been
applied to wool yarns by immersion and abrasion methods. These
detergents were a built soap and two...
The purpose of the study was to explore the possible acceptance of
metric conversion for clothing sizes and sizing standardization by a
selected sample of female ready-to-wear clothing consumers.
A questionnaire was designed to elicit consumer's positive or negative
attitudes toward metric conversion for clothing sizes and sizing
standardization. The...
Barth's theory of transactional analysis is applied to the
community of Tiller, Oregon and its reaction to a development proposal.
Community behavior patterns vis-a-vis the development proposal are
examined from a processual point of view to determine how these
patterns are generated.
The community's history and contemporary situation are described....
The climate in which communication occurs is a result of
how employees in an organization perceive and react to such
factors as rewards, support, trust, openness, decision making,
and leadership. The purpose of this case study is to identify
and describe communication climate factors in a health care
organization which...
Under what circumstances and in what ways can public participation be utilized in managing Finland's
national forests? In the first chapter, a framework for answering this question is set by analyzing Finnish
legal, cultural, historical and political background. The frame defines the Finnish Forest and Park
Service's (FPS) decision making...
This descriptive research project is a survey and analysis of nineteen community mediation programs in the State of Oregon. These programs were evaluated to determine their responsiveness to issues of culture and ethnicity. Data was gathered by face-to-face and telephone interviews with community program staff members and administrators. Information was...
In recent times, public policy debates in the United States have been very contentious and dysfunctional. To help improve this situation, a multi-discipline research effort was conducted to look at "solution papers" as a form of public participation. Specifically, the roles of objectivity and mutual respectfulness were under consideration. Foundational...
On May 21, 1998 Kip Kinkel drove to Thurston High School in Springfield, Oregon. Kinkel killed two students and wounded another twenty-two students. He killed his parents the day before. The shootings at Thurston High School came on the heels of a number of prominent school shootings and Kip Kinkel...
This thesis examines the convergence of neoliberal rhetoric across popular media, academic, and institutional discourses, and draws connections between contemporary women's travel literature and common scripts in study abroad promotion. Finding such narratives to be freighted with ethnocentric constructs and tacit endorsements of market-based globalization, I critique the mainstreaming of...
This is an investigative, descriptive study that explored fishing regulation conflicts between commercial fishermen and fishery resource management agencies. The purpose of the study was to develop a rich picture of the conflict phenomenon and apply sociological theory in order to illuminate the underlying structures and functions which contribute to...
Block 1 of the Averill Addition played an important
role in the early commercial development of Bandon, Oregon,
a town located on Oregon's south coast. Retail
establishments located on the block supplied the local
residents with a variety of merchandise for the period of
1886-1914.
During this period Bandon served...
The Pacific Salmon Treaty was established by Canada and the United States
to secure sustainability of salmon harvests within the Pacific Northwest. Renewed
in June 1999, the treaty functions to legitimize and empower the Pacific Salmon
Commission as the agent of fishery sustainability. The Pacific Salmon
Commission serves as a...
The Communication Decency Act became law in 1996 and was
immediately challenged on Constitutional grounds. It was subsequently declared
unconstitutional based on the First Amendment guarantee of free speech. Using
Fantasy Theme Analysis, an analysis of the dramatic elements of the key players
was accomplished. The dramatic elements of Overall...
With the arrival of European settlers to Western Oregon nearly 150 years ago came new methods of forest management. Early settlers' forest practices consisted of little more than harvesting what seemed an endless supply of timber. Forestry in the 20th century eventually incorporated such management concerns as re-forestation, biodiversity, wildlife...
This paper discusses research concerning redware vessel sherds found in an archaeological excavation at Oregon's historic Champoeg State Park, and comparative artifacts from four known Oregon and Washington late nineteenth pottery production sites. Visual and Instrumental Nuclear Activation Analysis comparison studies were conducted on samples from each site. The New...
This thesis examines the rhetoric (persuasive
discourse) of the Fourteenth Dalai Lama, the exiled
spiritual and temporal leader of Tibet. The analysis of
this thesis provides an historical foundation of
understanding for the international campaign of rhetoric
which the Dalai Lama has been leading for the past forty
years, culminating...
Throughout society, many believe women are not succeeding professionally because of the institutional barriers created by men in the American workforce. However, women may be more competitive with other women than with men, especially when limited job positions are the goal. Competitiveness among women can be explained by a phenomenon...
Recent scientific studies show strong correlations between oral and systemic disease, creating a crucial need for increased collaboration between the medical and dental professions. Interdisciplinary collaboration between medical and dental providers is emerging as a critical component to effective patient care. The role of the dental hygienist in interdisciplinary collaboration...
Ubiquitous fine particulate matter (PM2.5) exposures significantly impact global public health, yet little is known about the mechanisms causing these known adverse health effects. Oxidative stress due to PM2.5 associated chemical constituents, such as polycyclic aromatic hydrocarbons (PAHs), is a proposed possible mechanism for PM2.5 mediated health effects. Variations in...
The research presented herein focuses on electrical assessment of oxide thin films as insulators. The current density-electric field (J-E) characteristics of four insulators of dramatically different electrical quality are assessed in terms of their operative electronic conduction mechanisms. Conduction in the two high-quality insulators is dominated by Ohmic conduction and...
Although perceived-risk curriculum, that is, where the learner experiences effects of eustress (positive stress), has been used in Arts or outdoor activities, it has not been used in school classrooms. Milkman’s 1996 studies of after-school Project Self Discovery demonstrated that at-risk students lessened their adverse risky behaviors, such as substance...
For good reason, suicide is of growing concern across the nation; rates continue to increase annually in the United States. Accurate assessment remains an obstacle to effective treatment for individuals who are suicidal. Without proper screening, a client cannot get a referral to see a specialist and therefore cannot receive...
Sarah Harvey has developed an important model called creative synthesis for the use of dialectical reasoning in creative endeavors. This model is put in direct opposition to the evolutionary model called random variation, which, according to Harvey, promotes incremental innovation, while creative synthesis promotes radical innovation. In emphasizing the affirmative...
Understanding the effects of habitat disturbance on a species' habitat selection patterns, and demographic rates, is essential to projecting the trajectories of populations affected by disturbance, as well as for determining the appropriate conservation actions needed to maintain those populations. Greater sage-grouse (Centrocercus urophasianus) is a species of conservation concern...
A succinct description of cultural practices for commercial cranberry production in Oregon, visually organized by growth stage throughout the year, from post-harvest through the following harvest.
For many species of oceanic dolphins, photo-identification and genetic data indicate that these island-associated populations are demographically isolated from pelagic populations and that island-associated populations exhibit very different patterns of movement and habitat use. Melon-headed whales (Peponocephala electra) are generally considered a pelagic dolphin, but have been documented around oceanic...
This study examines the relation between political parties in the United States and foreign direct investment (FDI) using a panel data gravity model of 42 countries from 1980 to 2006. The Democratic Party and the Republican Party differ on economic platforms, and the changing of relative power in government between...
Mountain Quail (Oreortyx pictus) populations have declined in many areas of the western Great Basin during the past century. Yet the life history of this species is little known. From 1997 to 2000, I studied radio-marked Mountain Quail in Hell's Canyon in northeastern Oregon, in the Cascade Mountains of southwestern...
Several dolphin species have global distributions. The extent of their radiation and limits to gene flow are presumably a product of oceanographic features both recent and historical, behavioral specializations and social organization. Rough-toothed dolphins (Steno bredanensis) are globally distributed in tropical and subtropical waters and are generally found in depths...
Bayesian networks are used for building intelligent agents that act under uncertainty. They are a compact representation of agents' probabilistic knowledge. A Bayesian network can be viewed as representing a factorization of a full joint probability distribution into the multiplication of a set of conditional probability distributions. Independence of causal...
Published July 1954. 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
Peroxiredoxin (Prx) enzymes catalyze the reduction of hydrogen peroxide, peroxynitrous acid, and organic peroxides, and are extremely efficient peroxidases, with k[subscript cat]/K[subscript M] on the order of 10⁷ - 10⁸ M⁻¹ s⁻¹. Besides their role in oxidative stress defense, evidence has accumulated that some eukaryotes, including humans, use Prxs as...
Human alterations of landscapes take many forms, one of which is anthropogenic pollution. Mercury (Hg) is a complex contaminant because its uptake into the food web is not driven entirely by loading to the system; methylation is necessary to make Hg bioavailable and toxic to fish and wildlife. Because methylation...
Discrete coldwater patches within warm streams provide potential thermal refuge for coldwater fishes during periods of heat stress. This analysis focused on heterogeneity in stream water temperatures as influenced by local influx of cooler subsurface waters. Using field thermal probes and recording thermistors, we identified and characterized coldwater patches potentially...
This literature review is intended to examine transformative learning within the context of academic libraries and its applications for librarians. Although the main audience is academic librarians who facilitate student learning, it may also be of interest to other practitioners and researchers who are interested in applying transformative learning across...
The purpose of this paper is to define terrain analysis, as it relates to
military applications; to review the historical development of the central ideas
of terrain analysis, which has led to the development of three computer
programs that are designed to make terrain analysis an automated process
rather than...
The most diverse marine ecosystems, coral reefs, depend upon a functional symbiosis between a cnidarian animal host (the coral) and intracellular photosynthetic dinoflagellate algae. The molecular and cellular mechanisms underlying this endosymbiosis are not well understood, in part because of the difficulties of experimental work with corals. The small sea...
Full Text:
bacterial Tox-Art-HYD1 domain of ∼100 amino
acids, which is known to act as an ADP ribosyltransferase toxin
The purpose of this study was to gather participant/ campus data, and to measure morale and teaching faculty participation in institutional governance on the 107 California public community college campuses to determine if collective bargaining faculty have statistically higher or lower morale and greater or lesser participation in institutional governance....
Riparian forests provide a myriad of ecosystem functions for adjacent streams and rivers, and due to these linkages, changes in riparian forest conditions can have direct implications for stream ecosystems. Resource managers in the coast redwood forests (Sequoia sempervirens) of northern California (USA) are actively thinning second-growth stands to accelerate...
Numerous flights of Quaternary marine terraces are present around the island of Cyprus, in the Eastern Mediterranean. These terraces are a result of the global eustatic sea-level curve and local tectonism. Marine Isotope Stage (MIS) 5 through MIS 13 terraces are identified, mapped and dated. Palaeoshoreline elevation, an excellent indicator...
Published 1956. 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
The following outline of events in the rise and fall of gold mining in southwestern
Oregon is here recorded - almost as an obituary - so that Oregonians may not entirely forget how important this industry was in building up this part of the state.
This index provides access to infonnation about women in 102 books and journals. The information contained in each entry is only as good as the original and the quality varies considerably. Much of this infonnation has not before been easily accesible in this form. My hope is that this index...
The endangered Hawaiian Duck (koloa maoli; Anas wyvilliana), a non-migratory and island-endemic species, experienced a significant population decline during the twentieth century due to factors such as habitat loss, overharvest, introduced mammalian predators, and hybridization with introduced feral Mallards (A. platyrhynchos). A key objective for Hawaiian Duck recovery is to...
Monitoring reproductive success, prey species composition, and colony size of marine birds has been proposed as a method of assessing changes in marine systems that are otherwise difficult to sample (Cairns 1987). I measured inter-annual and intra-seasonal variability in reproductive parameters, taxonomic composition of the diet, and adult body condition...
One approach to conserving endangered species is to purchase and protect a set of land parcels in a way that maximizes the expected future population spread. Unfortunately, an ideal set of parcels may have a cost that is beyond the immediate budget constraints and must thus be purchased incrementally. This...
Many research projects suffer from limited data causing poor statistical analysis or limited results. The movement to high throughput methods has been building for many years and cross many different disciplines. Lots of these methods start out using pathways that generate large amounts of data but have limited methods to...
The objective of this dissertation is to develop amorphous metal thin films (AMTFs) for two-terminal electrical device and nanolaminate applications. Two AMTFs, ZrCuAlNi and TiAl, are investigated in both two-terminal electrical device and nanolaminate applications. Material properties including composition, atomic order, surface morphology, surface potential, and electrical resistivity are explored....
This thesis explores the role of Quaker women in science in an attempt to arrive at some understanding of what motivated Quaker women in nineteenth century America to go into the sciences. George Fox founded the Society of Friends in the mid-seventeenth century in England and the Quaker theology centered...
This study was prompted by the need for improving the efficiency of irrigation systems at the Oregon South coastal areas. Accurate information about evapotranspiration (ET) rates is essential for maximizing the efficiency of irrigation systems. Currently, ET estimates provided by Bureau of Reclamation AgriMet Program are derived from the Kimberly...
In the last 200 years there have been significant declines in the amount and structural complexity of oak-dominated forests and savannahs in the Pacific Northwest. Restoring oak systems often involves selectively thinning stands of oaks in order to reduce competition for sunlight. In choosing which trees to cut, land managers...
In open set recognition, a classifier must label instances of known classes while detecting instances of unknown classes not encountered during training. To detect unknown classes while still generalizing to new instances of existing classes, this thesis introduces a dataset augmentation technique called counterfactual image generation. This approach, based on...
Describes natural resource use in the Yaquina Bay area about 1963. Bay Crab, clam, oyster, salmon, cutthroat trout and bottomfish fisheries are discussed. Touches on jetty fishing, skin and scuba diving, offshore salmon fisheries, underutilized fisheries and waterfowl hunting.
Traditional robots have a long history in nuclear-related work because their integration decreases risk to humans in dangerous environments. Soft robotics is one promising new branch of traditional robotics with proposed applications in industry, medicine, and society. Collaborators from the Robotics mLab at Oregon State University (OSU) are currently working...
Bone strength and fracture resistivity are related to a variety of factors encompassed in what is referred to as bone quality. However, bone quality is not a well-defined concept; therefore individual fracture risk cannot be predicted accurately, and osteoporosis treatment monitoring remains di cult. Clinically available imaging modalities use bone...
Published July 1975. 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
Published January 1958. 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
Studies of anthropogenic impacts on wildlife may produce inconclusive or biased results if they
fail to account for natural sources of variation in breeding performance and do not use probabilistic sampling
at a scale functional for management. We used stratified random sampling and generalized linear mixed
models to test hypotheses...
Clinicians make a variety of judgments about their clients, from judging personality traits to making diagnoses, and a variety of methods are available to do so, ranging from observations to structured interviews. A large body of work demonstrates that from a brief glimpse of another’s nonverbal behavior, a variety of...
Climate change is predicted to affect ecosystems, including systems already stressed by human impacts. One ecosystem that is already highly impacted by human land use is the cold headwater stream system of the Pacific Northwest. One method of assessing the function of an ecosystem is by using an indicator species....
Published September 1973. 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
Raptors that inhabit sagebrush steppe and grassland ecosystems in the western United States may be threatened by continued loss and modification of their habitat due to energy development, conversion to agriculture, and human encroachment. Actions to protect these species are hampered by a lack of reliable data on such basic...
We live in an exciting time for biology. Technological advances have made data collection easier and cheaper than we could ever have imagined just 10 years ago. We can now synthesize and analyze large data sets containing genomes, transcriptomes, proteomes, and multivariate phenotypes. At the same time, society's need for...
The number of sites sampled must be considered when determining the effort necessary for adequately assessing taxa richness in an ecosystem for bioassessment purposes; however, there have been few studies concerning the number of sites necessary for bioassessment of large rivers. We evaluated the effect of sample size (i.e., number...
The Conference Program for IIFET, held July 10-14 in Corvallis, Oregon. Program lists the sessions by date and time and includes the session titles, speakers and paper titles.
The purpose of this research is to design a high level language
(HLL) suitable for microprogramming. A top down design technique has
been adopted which makes the language design process simple and
accurate.
The primitive operations of a high level language for producing
emulators is shown to include special purpose...
Land management policies are ideas about nature projected onto the landscape. Culminations of social, economic, and scientific influences, these policies create standards affecting the function of ecological systems. In the case of riparian lands in the Oregon Coast Range, policy requirements vary considerably across federal, state, and private land ownerships....
Display, which is the function for displaying the
schema of the network at the conceptual level, is implemented
to enhance the network database system ALLEGRO.
To display the schema is one step towards modifiable
schemas in the network model. The problem of updating a
schema is examined at all three...
Transformative learning networks are a specific type of loose network with geographically distributed members and member organizations. They hold particular promise for transformation when both top-down and bottom-up processes have failed to support desired systems-level change. The aim of this dissertation is to build knowledge about the social-interactional processes, roles,...
The purpose of this study was to investigate the professional interaction
and interpersonal communication factors in the management of biomedical
instructional development projects which involved the use of electronic media.
Reference is made, repeatedly, in instructional development literature to
the need to include interpersonal communication skills in the education and...
Real-world datasets are dirty and contain many errors. Examples of these issues are violations of integrity constraints, duplicates, and inconsistencies in representing data values and entities. Applying machine learning on dirty databases may lead to inaccurate results. Users have to spend a lot of time and effort repairing data errors...
Many tasks in AI require representation and manipulation of complex functions. First-Order Decision Diagrams (FODD) are a compact knowledge representation expressing functions over relational structures. They represent numerical functions that, when constrained to the Boolean range, use only existential quantification. Previous work has developed a set of operations for composition...