As technologies like 3D printing increase in prevalence and capabilities, having a robot hand specifically designed for a given manipulation task also becomes more feasible. Leading to the question of how to design a robot hand for a specific manipulation task. To answer this question, I propose we need three...
This thesis describes a method for automatically generating and evaluating small-scale off-grid energy systems. Such systems are comprised of components such as solar panels, residential-scale wind turbines, batteries, inverters and charge controllers. These disparate components are assembled into feasible networks through the use of topological optimization and graph grammar rules....
Microtechnology was used to study the chemical reduction of dissolved carbon dioxide into useful products. A novel TiO₂ photocatalyst was used to activate the reaction under ultraviolet irradiation. CO₂ was dissolved in aqueous and 50% BMIM-BF₄ (ionic liquid) solutions. The introduction of an ionic liquid increased the solubility of CO₂...
This research was aimed at providing the foundation for changing standards of care in a critical care setting using Catholic concepts of respect for human dignity, subsidiarity, common good, and solidarity as a matter of social justice. I first unpacked the nature of ICU care and the inevitability of the...
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Professor Courtney Campbell
This research was aimed at providing the foundation
In order to solve some classic problems in traditional topology optimization, such as unknown material distribution, checker-boarding and curse of dimensionality, this thesis introduces a new method to construct a mechanical structure that can reduce mass and increase stiffness. It uses a graph to represent the skeleton of a structure....
As the human population grows, the need for alternative and clean forms of energy is greater. The installation of offshore wind energy has been on the rise over the past decade, however the fossil fuel energy generation sectors, such as coal and natural gas, are still major players in the...
Washington State fisheries and Washington State Treaty Tribes are becoming increasingly restricted in harvest of wild salmon due to US Endangered Species Act listings of salmon species, marine mammal predation by both ESA listed Southern Resident Killer Whale (SRKW) and US Marine Mammal Protection Act protected pinnipeds, salmon habitat destruction,...
The intent of this research is to explore the entire design space of mechanism topologies by using a graph grammar synthesis approach. A new graph representation of planer mechanism has been developed to represent the planar mechanism with revolute (R), prismatic (P), and pin-in-slot (RP) joints. Following Gruebler's equation, the...
Dedicated to recording, portraying, and indicting
the social inequities that he witnessed in nineteenth
century Victorian England, one of Charles Dickens' many
concerns was the roles assigned to women both in the
public and private spheres.
The purpose of this thesis is to examine the
narratives of Amy Dorrit and...
This thesis explores the metaphor of hospice nurses as "midwives to the dying" by
applying philosophical inquiry to the field of hospice. I focus on the history of the
movements, their professional approaches to caregiving, and the core commitments of
both the modern midwifery and hospice movements. Although focused on...
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________________________________________________________________________
Courtney S. Campbell
This thesis explores the metaphor of hospice nurses as “midwives to
This thesis analyzes the ways in which the practices of yoga, mindfulness and meditation can be of benefit to hospice and palliative care practitioners in addressing job-related stress. The research suggests that these contemplative practices can be effective in addressing compassion fatigue among hospice and palliative care professionals. The thesis...
Considering human factors in early engineering design stages can improve expensive late stage processes, facilitate user safety, improve product quality and help reduce the need for physical prototyping. Currently, car pillar design (the vertical pillars between windows which connect the roof and car body) provide safety for the passengers in...
An investigation concerning the acceptance of a new, legend drug
product was conducted within a community of 15,000 population.
Twenty-eight physicians within the community were chosen for evaluation
relative to acceptance of the new drug product.
Data were obtained by means of a prescription audit of nine retail
pharmacies in...
Two concurrent studies were conducted to evaluate the effect
of selenium (Se) supplementation on beef cows. Trial 1 was designed
to evaluate the safety and efficacy of two intrareticular Se supplementation
delivery systems. Trial 2 was designed to evaluate the
transfer of Se across the placenta and through the colostrum...
The objective of this study was to investigate the effect of inorganic
and organic components of molasses on the laxative problem
encountered when molasses makes up a large portion of livestock
rations. In a series of four trials 280 male Long Evans rats weighing
approximately 50 grams each were placed...
The author presents a "state of the art" of the use of polymers
for better settling in domestic waste treatment and evaluates the
published research in the field.
Polymers have only recently been used to obtain better settling
in domestic waste treatment. Due to the number of polymer types
available...
Despite evidence that juvenile Chinook salmon (Oncorhynchus tshawytscha) utilize North Pacific estuaries for growth and salinity acclimation, research in the Columbia River estuary has lead to opposing hypotheses about the estuary’s importance as a salmon rearing environment. Many contemporary tagging studies indicate that salmon residency within the estuary is short...
A considerable amount of research and literature exists that attempt to explain the policymaking processes of central banks and, in particular, the Federal Reserve Bank (FRB). As with those studies, the purpose of this study is to explain FRB policymaking in order to understand FRB policy shifts during financial crises....
Siletz Bay is a drowned river valley filled with Holocene alluvial
and estuarine sediments and is separated from the ocean by a sand
spit 3.8 km in length. Since the area was settled by white man in the
1890's, the bay has apparently experienced rapid siltation, due to
increased farming...
The vegetative communities in the subalpine meadows of Hunts
Cove, Mt. Jefferson, and some of the major environmental factors
affecting them were studied in the summer of 1971. Hunts Cove is in
the subalpine Tsuga mertensiana parkland of the Central Oregon High
Cascades. Habitats within the Cove vary considerably; elevation...
This project is intended to study the effectiveness of manmade vernal pools for creating habitat value, particularly within an urban setting. Natural vernal pool habitats are under threat across the United States as filling and development activities have led to permanent loss of habitat. Mitigation requirements or other restoration/creation activities...
This was a study designed to determine the occurrence of recovery
from radiation damage in Taricha granulosa. Irradiation with either
gamma or x-ray sources in the range of 96-10,000 rads was given. (The
mean or median survival times were determined.) Doses were fractionated
and the survival times for the same...
The undisputed cost-effectiveness of the anti-homelessness program “Housing First” is well established in the empirical literature, but fewer studies have considered the impact of the program on individual residents. This mixed-methods study examines the lives of a cohort of residents in a Portland-based Housing First project, seeking to determine whether...
In an attempt to better understand documentary theory and production, I
created Bowling Together; a documentary recounting the experiences of one bowling
team and looking at the relationship between participation in bowling leagues and civil
society. This thesis provided me a first-hand experience at producing a documentary,
allowing me to...
An increase in frequency and severity of hot, dry summers has been associated with a dramatic shift in the coniferous forests of western Oregon’s valleys, especially on the privately-owned properties along the low-elevation edges of these valleys. Various conifer species, including Douglas-fir (Pseudotsuga menziesii), are declining in these forests, leaving...
In this work, metal-organic frameworks (MOFs) are computationally represented, generated, and evaluated. The organic linker molecules are represented as graphs and use graph grammars where the atoms are represented by nodes and the bonds are represented by arcs. The grammar rules that dictate the graph generation process work on the...
The primary purpose of this study was to determine the effects
of early morning and evening bouts of aerobic exercise upon the diurnal
pattern of reaction time and body temperature. An effort was
made to classify subjects according to the rhythmic trends identified
with 'morning' and 'evening' type persons.
Eight...
A cinematographic analysis of hurdling technique was completed
using six high school women in the 100 meter hurdle event as
subjects. The study was descriptive in design, intending to make
objective comparisons of selected elements of the hurdling action.
Sixteen hypotheses were developed and tested, in an effort to describe...
Forty-eight young adult males were ranked on the basis of mean
hand-grip strength scores and the middle one-third, the medium
strength range, were chosen as subjects. These sixteen subjects were
given 30 serial trials in each of four tests; knee flexion, knee
extension, elbow flexion, and elbow extension. Each trial...
The purpose of this study was: 1) to compare the
change in QT interval values before, during, and after
exercise following carbohydrate depletion and loading, and
2) to assess the change following vitamin B-6 supplementation.
ECG monitoring devices and bicycle ergometers were
used to collect ECG tracings and control the...
The purpose of this investigation was to determine the
sprint start time to the first 10 and to the second 10
meters as a result of alteration of starting block angles
and lateral block spacings.
One male world class, two female college level, one
male and one female high school...
Forty-five subjects were given 30 trials of isometric elbow flexion
and 30 trials of elbow extension. Each trial consisted of maximum
exertion followed by a short rest in 10 second cycles. Subjects were
ranked on the basis of the addition of the median flexion and extension
scores and were divided...
Forty-five young adult males were given 30 trials of Isometric
knee extension and 30 trials of isometric knee flexion. Each trial
consisted of a maximum of three second exertion followed by a 10
second intertrial rest interval. Subjects were ranked on the basis
of the mean of the first three...
Eight male college students served as subjects in an investigation
to establish a procedural model for research of individual motor
units during sustained isometric contractions. Teca TE-4 electromyograph
system with needle electrode provided electrical potential
recordings from active muscle fibers in the right biceps. Various
experimental procedures were tested to...
In this work, a fully automated approach to synthesis Metal-Organic Frameworks is presented. We use graph to represent the structure of Metal-organic Frameworks and use graph grammars which are backbone rules and functional group rules to generate metal-organic framework. For a given parameter value of the user defined metal-organic framework,...
The purpose of this study was to monitor coronary responses
occurring in the S-T segment of an electrocardiogram before, during
and after exercise following a "standard" carbohydrate-loading schedule with varied vitamin B-6 supplementation. The study was conducted
using four college-aged males who had been training a minimum of two
years...
Creating effective packaging is about finding a balance between product protection during shipping and time consumption in the design process. Given time and cost constraints, it is hard to produce sufficiently protective padding while having it not be thicker than it needs to be. This thesis describes a method to...
Traditional electronic systems are usually fabricated via printed circuit boards (PCBs). In a regular PCB, the electronic components are placed and mounted on a two-dimensional board. Such a component layout limits the freedom in the component placement process which results in larger electronic devices. With the use of Additive Manufacturing...
Traditional electronic systems are usually fabricated via printed circuit boards (PCBs). In a regular PCB, the electronic components are placed and mounted on a two-dimensional board. Such a component layout limits the freedom in the component placement process which results in larger electronic devices. With the use of Additive Manufacturing...
This thesis details the applications of a new method of agent-based structure synthesis. The goal of this research is to create structures that meet a structural goal within a simulated physics environment. The method proposed works as an iterative process of changing the structure, evaluating the new structure and using...
Poor material utilization is inherent to conventional manufacturing processes, leading to high material waste and machining times. Additive manufacturing processes attempt to solve this issue by allowing production of near-net shapes, but the processes may be too expensive or infeasible. By leveraging both processes in a single part, the waste...
This thesis seeks to explore how an ecofeminist lens is currently the most useful approach for improving farmed animal welfare. Through examining Western conceptions of non-human animals, I seek to shed light upon the inconsistent treatment of domestic species. Species that are dependent upon us deserve, at a minimum, not...
Most philosophical discussions of moral consideration for animals focus on
animals as a single category, neglecting to differentiate them by type or role (such as
wild, domestic, laboratory, or companion). Moreover, the importance of the individual
animal in terms of relationship to humans is de-emphasised.
Animals should not be discussed...
The Environmental Monitoring and Assessment Program (EMAP) site selection protocol was used to generate a random sample of streams throughout the state of Oregon. One hundred and forty-six selected streams were sampled during the summer, low-flow period of 1997. Traditional microbial public health indicators, including heterotrophic plate counts (HPC), total...
In engineering problems not all constraints can be explicitly written as mathematical functions. There needs to be a way integrate designer knowledge into the design process and preferably use that to guide an optimization problem. In this thesis, these constraints are modelled using classification surrogate models and integrated with Bayesian...
Wildlife behavior is a common research topic in conservation studies; however, the relationship between wildlife behavior and human disturbance, specifically in protected areas, is seldom studied. Previous studies have identified relationships between various different types of behaviors of both humans and wildlife, indicating correlations between avoidance behaviors, habituation, and physiological...
As CAD tools become more sophisticated, engineers are able to more easily create complex part geometries with minimal mass given strength and stiffness requirements. However, these complex part geometries can be difficult to subtractively manufacture, which consequently increases manufacturing cost and production time. This thesis presents a method independent of...
In this thesis, I argue that Christian fundamentalism is a threat to the traditions of religious liberty and the separation of church and state in US liberal democracy. I support this claim by exploring the writings of men who were instrumental in the foundation of the US, concluding that they...
This thesis offers a textual analysis of Emily Bronte's
novel Wuthering Heights and, to a lesser extent, her poems
in an effort to understand fully the complicated
relationship of gender to time that characterizes her
artistic imagination.
The study emphasizes the interplay of religious,
psychological and sexual forces inherent in...
Doxorubicin is a widely used cancer therapeutic, but its effectiveness is limited by cardiotoxic side effects. Evidence suggests cardiotoxicity is due not to doxorubicin, but rather its metabolite, doxorubicinol. Identification of the enzymes responsible for doxorubicinol formation is important in developing strategies to prevent cardiotoxicity. In this study, the contributions...
Total organic carbon, total nitrogen, microbial respiration and enzyme
activity (β-glucosidase) were measured on several horizons of a Dayton silt loam
(fine, montmorillonitic, mesic, Typic Albaqualf) soil cropped to annual ryegrass
under two straw residue management systems. The study evaluated the effects
of annual burning of straw residues or annual...
Over 54 million people report having disabilities in the United States. In addition, there are 40.3 million people 65 years and older living in America. As the population continues to live longer and problems with obesity continue to increase, the number of people with limited capabilities will escalate as well....
As the western United States faces warmer and increasingly varied climate conditions, as well as predicted water insecurity, concerns over water quality and water availability are growing. While humans, fish, and wildlife are dependent on clean water for survival in the present, management of water resources needs to consider future...
Chain saws are a common tool used by large logging corporations and family homesteads to manage forests, limb trees and buck lumber. A significant cost of operation is the continuous required supply of bar and chain oil. Consumers and logging corporations desire a lubricant with a high performance to cost...
In cellular telephones, RF power amplifiers consume a significant part of the total phone current. Reducing the average PA current will extend battery life. In GSM systems the handset is commanded by the base station to transmit at power levels lower than full power much of the time. A Doherty...
Assessing student conceptual understanding is a valuable method for gauging specific student learning outcomes but can be difficult and time consuming to measure. This research investigates the potential of automating some intermediary steps of a qualitative analysis of student conceptual understanding with tools from the field of Natural Language Processing...
Conservation banking is a market-based instrument and conservation tool designed to provide compensatory mitigation for impacts to endangered species. These banks provide both ecological and economic benefits, however their ability to continue providing these benefits is threatened by climate change. The motivational factors behind the decisions to establish a conservation...
The purpose of this study was to investigate whether
clothing influenced perceptions of personality
characteristics often associated with success in business
environments. Specifically, the study investigated the
effect of clothing on (a) perceptions of task-oriented
abilities of employees in a business setting, (b)
perceptions of relationship-oriented abilities of employees
in...
This study traces British government policies with regard to Palestine from the time the British Expeditionary Forces under General Allenby invested Jerusalem in December 1917 to the imposition of the Mandate with Britain as the Mandatory power, which came into effect on July 22, 1922. The first chapter provides an...
Presenting and synthesizing several paradigms for the teaching of literature in American colleges, I investigate how definitions of reading, readers, texts, interpretations, and knowledge affect student acts of reading and writing. In addition, I draw upon specific examples of text-based, reader-based, and social-cultural based models for the teaching of reading...
The issue of Navy women in combat has been widely discussed
since women first served during World War I. In this paper I intend to
present the political, philosophical, and historical reasoning behind the
changing of the regulations to allow women in combat.
History shows that the Navy has faced...
As manufacturing advancements continue to develop, designers must be able to consider these technologies during the design process. Unfortunately, many of these new technologies, such as additive and advanced joining, have many nuances that require expert knowledge to effectively apply. Additionally, new design techniques, such as topology optimization, allow users...
A genetic selection study to determine the effects on egg hatchability and subsequent chick performance of Japanese quail (Coturnix japonica) eggs incubated at 100 F dry bulb temperature (Control, Line C) when compared to other eggs incubated at 102 F (Selected, Line S) was conducted over 10 consecutive generations. Eggs...
“The system is fucked. Everything needs to change” was stated by Ashley Paige, a professional dominatrix and author in We Too: Essays on Sex Work and Survival, at a book launch event. Paige’s sentiments are poignant and a call to action to all of us. Through this thesis, I will...
Even in remote environments, human and natural systems are connected. Pressing environmental and social changes warrant the field of science to not only continue to enhance understanding of the natural world, but also consider the socio-ecological implications of research in the coupled human-natural system. Additionally, a need exists for communication...
Design is a process of decision making. Organizations that are dedicated to systematic support of the design process tend to have higher profit margins. Further, studies of system development have shown that early-stage design mistakes have a large impact on incurred costs. Therefore, it is critical to identify methods to...
Wastewater treatment plants around the world are becoming increasingly at risk of sea level rise impacts as these facilities are typically located in low-lying areas to utilize gravity flow for influent (incoming sewage) and effluent (discharged treated sewage). As these risks become realized, treatment plant managers and decision-makers must know...
Vegetation as a soil-forming factor was studied under forest
transition and grass while attempting to keep other soil forming factors
constant in the western part of the Willamette Valley, Oregon. The
physiographic units consist chiefly of the interior foothills and slopes
formed from an old basaltic flow with some interspersed...
The purpose of this study was to extract proteins from lentils for
use in bread making to improve nutritional quality of bread. Three
solvents, distilled water, 0.7 M NaCl and 0.05 M NaOH solutions, were
used for extraction. Extractions were done at an alkaline pH near 10
for 30 min....
In This Side of Paradise, The Great Gatsby, and several of his short stories, F. Scott Fitzgerald questions the importance of wealth as a factor in supporting happiness and fostering the American Dream on an individual basis. With these texts, Fitzgerald acknowledges that wealth is a factor and, simultaneously, a...
Literacy is often considered to be a basic set of skills to be mastered by the student; the conventional wisdom maintains that the individual who has mastered these skills is then literate. Scholars in the field of literacy studies, however, argue that such assumptions about literacy fail to take into...
Ten wheat crosses (four winter x spring and six winter x winter)
involving F₃ and F₄ generations and their respective winter parents
were used to determine whether the early generation selection would
be effective for kernel hardness and grain protein content. In
1980, twenty individual F₂ plants were selected with...
As blueberry (Vaccinium sp.) production has increased in recent decades, a new interest has developed in the cultivation of blueberry in soilless substrate containers. Historically, blueberry has been propagated and grown in soilless substrate at nurseries, but nursery production is short in duration and plants are small relative to a...
The effects of different fallow moisture levels and tillage
systems on the amount of nitrate-nitrogen accumulation in the 0-30 cm
soil profile were studied.
Fallow moisture treatments simulating typical dry, normal and
wet precipitation cycles were established on trial plots.
Data were obtained for nitrate-nitrogen, soil moisture and
nitrogen mineralization...
A common problem in energy allocation problems is managing the trade-off between selling surplus energy to maximize short term revenue, versus holding surplus energy to hedge against future shortfalls. For energy allocation problems, this surplus represents resource flexibility and is quantified as the surplus energy after meeting the demand. The...
Practical bipedal robots need to be simultaneously efficient, robust, and versatile machines, but designing robots dynamically capable of these demands has been a significant bottleneck. We designed ATRIAS to be a highly dynamic biped capable of both walking and running untethered in real environments. To meet these goals, ATRIAS is...
Sustainable product design is becoming an important component of the development of consumer products. Currently there are limited design resources to aid in the creation of environmentally sustainable products. The purpose of this research is to theorize a new method for integrating sustainable design knowledge into the early design phase...
3D symmetric tensor fields have a wide range of applications, such as in solid and fluid mechanics, medical imaging, meteorology, molecular dynamics, geophysics and computer graphics. There has been much research carried out in this field, yet our knowledge of the tensor field is still at its initial stage to...
Integrated manufacturing systems, a combination of subtractive, additive, and joining processes, provide a competitive advantage for manufacturing organizations. As product designs become more complex and capital more scarce, an ideal combination of advanced manufacturing technologies (e.g., powder bed fusion or friction welding), in tandem with traditional subtractive manufacturing systems, can...
Physical geography and topography combined with increasing number of motor
vehicles have lead to record breaking air pollution levels in Tehran, the capital city of
Iran. The objectives of this study were: 1) to document trends in Tehran, Iran's
ambient air quality levels between 1988 and 1993; 2) to compare...
Rockfish Conservation Areas (RCAs) are large areas closed to fishing in federal waters off the Washington, Oregon and California coasts. The Pacific Fisheries Management Council (PFMC) was responsible for the creation and regulation of the RCAs. The RCA boundaries were defined in 2002 to rebuild rockfish species declared as overfished...
Recent coastal disasters (e.g., Hurricane Sandy, Typhoon Haiyan) and chronic issues (e.g., Florida's "nuisance flooding") provide numerous examples of coastal communities struggling to adapt in the face of climate change impacts. Decision-makers and the public alike must reconcile the lack of "fit" between a rapidly changing environment and the effects...
Poet John Haines is best known for his first book of
poetry, Winter News, which was published in 1966. The book
contains poems about the Alaskan landscape that surrounded
Haines during his many years of living in Richardson,
Alaska. The recurring motifs in his poems include hunting,
trapping, the Arctic...
Few parenting curricula exist that are culturally-appropriate to the Mexican-immigrant population served by many programs. The Even Start family literacy program has four integrated components, making it more difficult to find appropriate curricula for the families they serve. During Winter 2006, discussion groups were conducted with participants in two Even...
The rise of social networking is more prevalent in today's society than ever before. Of the existing social networking platforms, Twitter is widely recognized as operating within the social networking elite. With this rise in social networking comes the challenge to develop new strategies of navigation when presenting one's identity...
Employees from two different organizations, a public university and a hospital in
Oregon, were asked to take part in an interview to assess their perceptions of how
race is discussed in their workplace, if racial humor is used in their workplace, if
this humor offers an opportunity to discuss race...
What students need most from instructors’ written response on their texts is commentary that evokes a sense of exchange. Teachers often believe that their job is to point out the deficits in a student’s paper and help eliminate those deficits. While this is a part of the function of response,...
Within this thesis, I posit that poetry, rather than philosophical argument, is a more effective means of expressing and understanding the nature of mystical experiences. William James’ analysis of mysticism inspires the theoretical approach utilized in this thesis. An analysis of the unique qualities of poetic language within mystical discourse...
This thesis undertakes an examination of Margaret Atwood’s 1985 novel, The Handmaid’s Tale, as a layering of genres. A futuristic dystopia that imagines late twentieth-century America as having fallen into neo-Puritanism and totalitarianism following widespread infertility and violence, The Handmaid’s Tale invites contemplation of various forms of fundamentalism, radicalism, and...