Real world is analog but the processing of signals can best be done in digital domain. So the need for Analog to Digital Converters(ADCs) is ever rising as more and more applications set in. With the advent of mobile technology, power in electronic equipment is being driven down to get...
This file includes tidal wetland soils data for 14 sampling areas at 5 sites on the Oregon coast. The sites are Blind Slough (tidal swamp) in the lower Columbia River estuary , Coal Creek (tidal swamp) in the Nehalem estuary, Millport Slough (high marsh) and Siletz Keys (low marsh) in...
This file includes tidal wetland soils data for 14 sampling areas at 5 sites on the Oregon coast. The sites are Blind Slough (tidal swamp) in the lower Columbia River estuary , Coal Creek (tidal swamp) in the Nehalem estuary, Millport Slough (high marsh) and Siletz Keys (low marsh) in...
Since September 2006, the Oregon State University (OSU) Archives has concentrated on the preparation of collection-level finding aids for all new collections received by the Archives and for collections that have no descriptive information available online. This article presents a preliminary analysis of the results of this approach, demonstrates the...
The field of geography has been transformed in recent years through the use of spatial tools such as geographic information systems (GIS) satellite and acoustic remote sensing, the global positioning system (GPS), Internet mapping and more. Studying geography and earth science in the digital age now requires a sophisticated and...
The purposes of this study were to investigate consumers' responses (aesthetic response, approach response, and perceived risk) to two types of visual merchandise displays (full size mannequin and flat hanging display) in an in-store retail setting. An interest for this study arises from retailers' constant effort to differentiate themselves from...
References are given for illustrations in the second edition of Macrolichens of the Pacific Northwest. For each illustration, we list the photographer or illustrator, the specimen photographed, where the specimen was from, collector, collection number, and herbarium.
We list additions, deletions, and other changes in species included in Macrolichens of the Pacific Northwest, 2nd edition, as compared to the 1st edition. The changes resulted from discoveries of range extensions into the Pacific Northwest, descriptions of new species, taxonomic revisions, and nomenclatural revisions.
The goal of this study was to evaluate the ability of two seedling quality evaluation methods to predict the field survival of Douglas-fir (Pseudotsuga menziesii) seedlings. The starch reserves in seedlings have been suggested as a possible predictor of seedling quality. Starch reserves have been shown to decrease during cold...
Single-layer and three-layer microchannel adsorption devices were fabricated by procedure that was newly developed. Aluminum was chosen for metal housing while the adsorption pair was silica gel and water. Each adsorption layer contained two layers of 250 μm-thick silica gel. Both silica gel layers opened to the same layer of...
Chlorine – 36 (36Cl) is produced naturally, through neutron activation of stable chlorine during nuclear weapons detonation, or from neutron capture on residual chlorine in graphite piles. It has a half-life of 301,000 years and decays by the means of beta decay with an average energy of 236.33 keV. Due...
We consider the problem of tactical assault planning in real-time strategy games where a team of friendly agents must launch an assault on an enemy. This problem offers many challenges including a highly dynamic and uncertain environment, multiple agents, durative actions, numeric attributes, and different optimization objectives. While the dynamics...
The purpose of this study is to determine whether a 12-week nutrition and physical activity (PA) intervention program for middle-aged, pre-menopausal women at risk for Metabolic Syndrome (MetS) would reduce their risk factors. Ten overweight women (mean ± SD: age = 47 ± 3y; Body Mass Index = 31.0 ±...
Papain-like leader proteases are found in diverse families of human, animal, plant, and fungal positive-strand RNA viruses. In addition to autocatalytic processing, these proteases play a variety of roles in the virus life cycle. In particular, the leader protease (L-Pro) of a prototype member of the Closterovirus genus, Beet yellows...
Published February 2009. 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 concept of reducing laboratory operations in scale such that they fit on a microfluidic chip has been met with great enthusiasm. Lab-on-a-chip devices promise to be cost effective to operate due to reduced reagent consumption, have the potential to offer shorter analysis times due to their short path lengths,...
Oregon Department of Transportation (ODOT) Fleet Services manages a fleet that in 2008 included approximately 5,000 pieces of active equipment worth $340–$390 million. Every biennium, a fixed budget is available to replace a certain amount of this equipment. This research evaluated various measures for establishing equipment replacement priorities.
A model...
Markov models are commonly used for joint inference of label sequences. Unfortunately, inference scales quadratically in the number of labels, which is problematic for training methods where inference is repeatedly preformed and is the primary computational bottleneck for large label sets. Recent work has used output coding to address this...
New highly polymorphic simple sequence repeat (SSR) markers for European hazelnut (Corylus avellana L.). were developed from several sources. The markers were characterized, and segregation in a mapping population allowed to assign them to linkage groups. Their transferability across genera and species in the Betulaceae family was investigated. SSR markers...
An experiment on solitary wave impact on a vertical cylinder was conducted in the three-dimensional wave basin at the Oregon State University Hinsdale Wave Research Laboratory. The cylinder was designed using mechanic principles and finite element analysis techniques to enable accurate measurement of horizontal force and overturning moment. Video data...
Dynamic CMOS circuits are commonly used in high-performance memory arrays to implement wide-NOR logic functions for their read and search operations. This is because dynamic circuits have significantly higher speed and lower area compared to static circuits for performing similar operations. Register File (RF) arrays are located at the top...
This report provides a quick overview of Oregon’s recent crop and livestock production. The following pages include 2008 preliminary estimates for production and value, and revised estimates for 2006 and 2007. Preliminary or first estimates are revised as needed when updated information is received. All data reported here were in...
Ever since composite laminate technology was introduced into the aerospace and automotive industry, there has been a need to fully understand the damage progression experienced by composite laminated plates in the presence of a notch. While numerous research studies have been conducted on this matter when subjected to in-plane loads,...
Albacore tuna (Thunnus alalunga) rolls were developed using two albacore meat levels
and three different treatment combinations. Albacore meat levels of 82 and 88% (Alb82
and Alb88) of the total weight formulation were examined. The different treatments
consisted of 0.3% sodium tripolyphosphate (STPP), 0.3% STPP plus nitrites (150 ppm),
and...
In previous work (Blakemore et al. Org. Lett. 2005, 7, 4721; Heterocycles 2006, 70, 609), successful elaborations of the lupine alkaloids (±)-α-isosparteine (dl-2) and (±)-β-isosparteine (dl-3) were realized from a common tetraoxobispidine precursor, 3,7-diallyl -2,4,6,8-tetraoxo-3,7-diazabicyclo[3.3.1]nonane (93). Herein, the tetraoxobispidine approach to lupine alkaloids was extended to a total synthesis of...
This article describes a technique using the Thomson Reuters' Journal Citation Reports and the SHERPA RoMEO Web site to identify a set of core journals in a discipline and determine whether the journals' publishers allow preprint or postprint archiving in their copyright transfer agreements.
Methane hydrates and biohydrogen are two disparate subjects that are of interest in the growing field of alternative energy research. However, before commercial use becomes a viable option, each has challenges that need to be overcome. Methane hydrates require large investments of time and capital to locate. In this thesis,...
Designing and building a home Media Center can be a daunting task given the multitude of available options and configurations. The goal of this project is to build a home Media Center, and in the process, create a guide that a less technically knowledgeable person could use to build their...
The push towards higher performing and more sensitive mixed signal circuitry has required the parallel development of increasingly more complex and sensitive test and calibration harnesses. Current off-chip methods of test and calibration may require higher pin counts or induce unwanted parasitic interference.
In this thesis, the design of a...
Our culture has been shifting toward an expectation of self-service for over a decade. In banks, grocery stores, gas stations and airports, people are becoming accustomed to self-service. Libraries have also joined this larger trend by implementing ways to allow patrons to interact with services in a disintermediated manner if...
This thesis explores the reasons for conversion to Islam for ten well-educated, Caucasian, American born women of European descent in a small, relatively affluent college town in Oregon, United States. It follows their process of constructing a new identity with their families, with friends, within the Muslim community and within...
In this dissertation, we present a user-in-the-loop method for the design of an interactive motion data structure that benefits from the advantages of both motion graphs and blend-based techniques. Our novel approach automatically analyzes a traditional motion graph built from labeled motion clips. The result is a more condensed, coarser...
This thesis addresses numerical simulation of flow maldistribution in microchannels. Microchannels are often associated with two phase-flows which can generate many problems such as plugging the channel or perturbing the flow. In this study we have used CFD and fully resolved technique to simulate what would happen in the case...
Microbial activity within elevated CO2 and oxygen depleted environments changes with
density driven stratification overturn in the seasonally anoxic region of Devil’s Hole,
Bermuda. The temperature gradient developed during the summer months creates a
natural laboratory to study bacterial and virus population density and microbial
community dynamics in the anoxic...
The purpose of this research was to develop tools and germplasm for the production of tomatoes (Solanum lycopersicum L.) with high fruit phenolics without the use of genetic engineering. A candidate gene analysis was undertaken to identify genes regulating anthocyanin biosynthesis in tomato fruit (Aft, Abg, atv, and Purple Smudge)....
Mycobacterium avium cause disseminated disease in immunocompromised people such as AIDS patients. Subsequent to crossing the intestinal epithelium, M. avium thrive within vacuoles in macrophages. The bacteria exhibit a different, more invasive, phenotype after being in macrophages compared to M. avium from laboratory conditions. We hypothesized that this intracellular phenotype...
The purpose of this case study was to examine a third-grade teacher’s effective use
of mathematical discourse in the classroom setting. The study offers insights into the
following research questions: 1) How does a teacher’s engagement in mathematical
discourse communities influence her practice and self-efficacy as a mathematics
educator? 2)...
A causative factor in declining greater sage-grouse (Centrocercus urophasianus)
populations is reduced annual recruitment due to poor habitat quality. Sage-grouse
population decline is concurrent with a decline in the extent and quality of the
sagebrush (Artemisia sp.) biome. However, current research has shown a positive
relationship between sage-grouse brood and...
In recent years there has been concern over the deterioration and lack of adequate
funding for the US road and highway system. The main goals of this study are to
examine how increasing use of general financing methods effects road quality, to
determine if capital outlay and maintenance expenditure impact...
We investigate, theoretically and experimentally, the problem of modeling depth-integrated (2DH) surf zone circulation on an alongshore-nonuniform natural beach, with waves approaching from an arbitrary angle. An approximate theoretical model is developed, which captures the important effect of advection in the alongshore dynamics, and shows that a nondimensional parameter Re[subscript]s...
Douglas-fir [Pseudotsuga menziesii (Mirbel) Franco] bark (DFB),
sphagnum peat moss, and pumice are the most common substrate components used
in the Oregon nursery industry. Despite the widespread use of these three
components, little information is available on the effect of physical and hydraulic
properties of peat moss and pumice on...
A striking feature in the study of Riemannian manifolds of positive sectional curvature
is the narrowness of the collection of known examples. In this thesis, we examine the
structure of the cohomology rings of three families of compact simply connected seven dimensional
Riemannian manifolds that may contain new examples of...
Vibrio parahaemolyticus, a naturally occurring halophilic pathogen, is seasonally abundant in marine and estuarine environments. It is also the leading cause of gastroenteritis in humans world-wide. Numerous outbreak incidences associated with the pathogenic Vibrio parahaemolyticus contaminations in oyster products have raised public-health concerns as well as economic challenges to the...