In 2004, the Transition Mathematics Project (TMP), funded by the state of Washington and The Bill and Melinda Gates Foundation, was established to create projects to help high school students gain the necessary skills to become college and work-ready. Aligned to TMP's College Readiness Mathematics Standards, a fourth-year capstone mathematics...
The purpose of this quantitative study was to identify the combination of factors, both individual and programmatic, that contributed most significantly to the persistence and progression of students enrolled in a public comprehensive community college. As open-access institutions, community colleges cater to students from a broad range of socioeconomic, cultural,...
Tn5 mutagenesis of apdA (for antibiotic production) and deletion of
gacA (for global antibiotic and cyanide) resulted in the same pleiotropic phenotype in
Pseudomonas fluorescens (i.e. production of an array of secondary metabolites
including the antibiotics pyrrolnitrin, pyoluteorin, and 2,4-diacetylphloroglucinol as
well as a tryptophan-side-chain oxidase, hydrogen cyanide, and an...
A major factor in the ability of Pseudomonas fluorescens Pf-5 to act as a biological control agent is its production of antibiotics, including pyoluteorin (PLT), 2,4-diacetylphloroglucinol (2,4-DAPG) and pyrrolnitrin (PRN). The data provided in this thesis demonstrate that the presence of any of these antibiotics in the extracellular milieu affects...
More than half of students in Washington state community colleges enroll in developmental mathematics, but a relatively small percentage of these students persist to the second year. Many students place into these courses and never enroll; others enroll at some point after the first academic term, even when faced with...
Pseudomonas is a diverse genus of Gram-negative bacteria that includes pathogens of plants, insects, and humans as well as environmental strains with no known pathogenicity. Pseudomonas fluorescens itself encompasses a heterologous group of bacteria that are prevalent in soil and on foliar and root surfaces of plants. Some strains of...
Oregon, much like the nation, has historically had a paradoxical relationship to migration. Oregon is famous for the Lewis and Clark expedition and the Oregon Trail. It is, and always has been, greatly affected and inspired by interstate migration yet each successive generation has been less than welcoming to further...
Due to the current cultural paradigm that incorporates the desire to be environmentally friendly and mitigate rising fuel costs, arguments about the cost of public transit systems, ridership rates, and methods to increase use are frequent topics of public policy concern. In response to these cultural and economic concerns, the...
A history of fire suppression, growth in the wildland-urban interface, and changing climate conditions, have created a fire regime in central Oregon that is growing in severity and intensity, putting more people and structures at risk and requiring a greater percentage of state and federal agency budgets to manage fires....
This study uses the Health Impact Assessment approach to determine the health impacts of allowing accessory dwelling units in Benton County, Oregon. A literature review presents the health benefits of accessory dwelling units in urban areas and identifies the potential negative health effects in rural areas. Five accessory dwelling units...
The passage of Measure 37 in 2004 was met with a great deal of controversy as a number of voters claimed the implications of the Measure did not represent their intentions for supporting the legislation. Namely, significant opposition was aimed towards the Measure 37 claim which offered landowners financial compensation...
The hazards-of-place model of vulnerability to environmental hazards posits that vulnerability has biophysical and social components. While biophysical characteristics are important in predicting locations of elevated wildfire risk, the social characteristics of human communities may help us predict locations of elevated wildfire impacts. We examine the relationship between biophysical and...
This paper presents an application of the wave equation to the
problem of selecting a driving hammer for prestressed concrete piles.
The potentially damaging effects of these types of hammers on various
prestressed concrete piles were analyzed by means of parametric
studies carried out on a hypothetical group of problems...
Pseudomonas is a diverse genus of Gamma proteobacteria that are ubiquitous in the natural environment, including soil, water, plant surfaces, and animals. The Pseudomonas fluorescens group is a diverse collection of seven subgroups and more than 50 named species. This group is known for their production of a variety of...
Condensation Induced Water-Hammer, CIWH, has been an
historical problem for the nuclear power industry over the
past 2 decades. It has caused damage to plant systems, and
considerable anguish to plant operators. This thesis has
embarked on an attempt to characterize the fluid motion, heat
transfer, mixing, and stability of...
In 2011, a study by Freeman and Wornell uncovered that social service providers in Klamath County believed Native American children experiencing maltreatment might be slipping through the cracks. In an effort to find out how to better serve these children and their families, the current study involved interviews with 11...
In recognition of the need to determine dynamic properties of naturally frozen materials, a research project was conducted to measure the dynamic properties (dynamic moduli and damping ratio) of naturally frozen wedge ice samples obtained from the Fairbanks, Alaska area. Cyclic triaxial and resonant column test systems were employed to...
Self-regulation skills in children are an important indicator of positive life outcomes such as health and wealth. Techniques to improve self-regulation are important, as well as understanding what factors influence child development of self-regulation. This study investigates the connection between total minutes of physical activity per day, as well as...