An indirect fluorescent antibody test (IFAT) was developed for detection of the rickettsia that was causing epizootics among salmonids cultured in seawater net-pens in southern Chile. Antiserum against the rickettsial agent was produced in New Zealand white rabbits with a preparation grown in antibiotic-free chinook salmon embryo (CHSE-214) cell cultures...
Zimbabwe's Communal Areas Management Program For Indigenous
Resources (CAMPFIRE), is a grassroots natural resource management
initiative that promotes utilization of natural resources as an
economic and sustainable land use option in Zimbabwe's rural areas.
Currently the program focuses on wildlife utilization as a
development intervention to improve the economic livelihood...
The flooding phenomenon can be defined as the maximum attainable flow
condition beyond which the well defined countercurrent flow pattern can no longer
exist. Thus the countercurrent flow limit (CCFL) or the flooding limit may be thought
of as the flow condition at which the strong interaction between the two...
The present day vegetation pattern of the Willamette Valley is a result of a long past of human alteration of the landscape. Beginning with aboriginal burning of the grasslands to present day land uses, the vegetation of the valley has been affected by anthropogenic activity. Wet prairie is a vanishing...
A Geosat altimeter wind speed algorithm is derived by cross-calibrating Geosat and Seasat
altimeter estimates of the normalized radar cross section σ₀ and modifying an existing Seasat
altimeter wind speed model function to obtain a model function appropriate for Geosat observations.
It is argued that the σ₀ distribution measured by...
Many ecological systems follow a seasonal cycle affecting primary production,carbon flux, and vegetative gas emissions. The seasonal variation of ecological systems are both affected by and have effects upon climatic factors. A quantitative estimate of the seasonal variation of vegetation is required to characterize ecological systems and their interaction with...
This report addresses the design and implementation of an internet-based grading tool for the "Translators" course. The motivation is to avoid exposing the instructor's Java byte-code to possible reverse-engineering tools and enable students to submit their homework virtually from any machine across the internet. This tool is intended to replace...
A Graphic User Interface is developed to determine the existence of a
particular sequence of piano notes within a monophonic sound waveform.
Such waveforms are recorded within the Graphic User Interface and then
passed to the monophonic analysis engine. The first phase of analysis segments
the PCM sound data to...
Development of graphical user interface (GUI) applications is difficult since the process can be both complicated and tedious. We propose a solution directed at reducing programming time and effort required to build a GUI application. Our solution is based on the Petri Network, the Oregon SpeedCode Universe (OSU) Application Framework,...
Various ecological and hydrological models require estimates of the amount and spatial distribution of monthly and annual precipitation. PRISM is an analytical model that distributes point measurements of monthly, seasonal and annual precipitation to a geographic grid. In order to use this model effectively, good graphical user interfaces were needed....
The Oregon Blueberry Growers Association called this an indispensable tool for beginning and experienced growers. A commercial grower and two Extension scientists show a four-step procedure for pruning plants of all ages to increase yield and quality. Designed for both the commercial grower and the home gardener. Illustrates the basics...
The Oregon Blueberry Growers Association called this an indispensable tool for beginning and experienced growers. A commercial grower and two Extension scientists show a four-step procedure for pruning plants of all ages to increase yield and quality. Designed for both the commercial grower and the home gardener. Illustrates the basics...
Hedgerows, also known as shelterbelts or windbreaks, are rows of trees, shrubs, and low-growing plants that divide or border fields and/or suburban lots. In England, many farms are surrounded by ancient hedgerows that conserve soil and water, provide a home to wildlife, and serve as barriers. In the United States,...
Published May 1993. 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
Forms/3 is a declarative visual programming language that aims to provide general purpose programming language capabilities in a simple, form-based approach. This report provides an example-driven introduction to programming in Forms/3.
The trails included in this book will lead you to mountain-top vistas, lakes, waterfalls and old-growth forests, towering secondgrowth forests, rocky bluffs and alpine meadows. We've included a variety of trails:
• short walks for those seeking fresh air and a place to stretch their legs
• medium length trails...
The purpose of this research was to determine a causal model of factors affecting
age integrated/age segregated neighborhood preference during retirement. Data were anaLzed for 1299 preretirers in four states: Idaho, Michigan, Oregon, and Utah, collected in a mail survey in 1990 by the Western Regional Agricultural Experiment Station Committee...
An extremely important area that has enabled or will enable many of the
digital video services and applications such as VideoCD, DVD, DVC, HDTV, video
conferencing, and DSS is digital video compression. The great success of digital video
compression is mainly because of two factors. The state of the art...
Past experiences have relevant truths for the present. An uncommon work
and living situation from this writer's undergraduate days shows how prejudice and
stereotype can be subtly arranged, and participated in, by the nature of his
surroundings. This thesis explores, through the combination of related past events
with an interspersed...
Every year, the United States produces at least 236 million metric tons of hazardous waste. Hazardous waste is defined as solid waste that can pose a substantial threat to human health and the environment when disposed of incorrectly. Some commonly used household products, when disposed of, become hazardous waste; historically,...
Household recycling is an important means by which social costs of solid waste
disposal may be reduced. These costs include energy and resource costs of collection
and disposal as well as environmental costs from emissions from landfills, incinerators,
and collection vehicles. In this thesis, a household production model is used...
Summaries from 49 published articles on site-index and dominant-height growth curves and equations are presented for 20 tree species or species groups found in California, Oregon, Washington, British Columbia, southeastern Alaska, Idaho, and western Montana. The summaries are organized by species. Each summary describes the modeling approach, type of curves/equations,...
Summaries from 49 published articles on tree volume and taper equations are presented for 39 tree species found in California, Oregon, Washington, British Columbia, southeast Alaska, Idaho, and western Montana. The summaries are organized by species and then by type of equation (volume or taper). Each summary describes the types...
In competitive swimming a spread in time of only 0.10,
and 0.16 seconds constituted the difference between
finishing second and seventh, and first and eighth,
respectively, in the women's 50 yard freestyle at the 1993
NCAA Division III National Swimming & Diving Championships.
Based on data collected over a period...
Understanding the processes involved in the transport of dissolved gas plumes in groundwater aquifers is essential for comprehending the effect that these transport processes can have on site characterization and remedial design applications. Previous laboratory and field studies have indicated that dissolved gas transport in groundwater can be greatly affected...
An approach for developing a computer-based aid to
assist in monitoring and assessing nuclear power plant
status during situations requiring emergency response has
been developed. It is based on the representation of
regulatory requirements and plant-specific systems and
instrumentation in the form of hierarchical rules. Making
use of inferencing techniques...
I used satellite remote sensing to examine the key factors controlling the natural revegetation of Mount St. Helens since its eruption in 1980. The study required three stages: determining the amount of vegetation present; characterizing vegetation change; and analyzing the influence of factors affecting vegetation change. To determine the amount...
This document defines the language Leda as currently implemented by the authors and Vinoo Cherian. Leda is an evolving research language and readers may wish to consult the bibliography for a variety of papers concerning its raison d'être. Our purpose here is to guide investigators in the use of a...
We have mapped a recently active left-lateral strike-slip fault (the Wecoma fault) on the floor of Cascadia Basin west of the Oregon convergent margin, using SeaMARC I sidescan sonar, Seabeam bathymetry and multichannel seismic and magnetic data. The fault intersects the base of the continental slope at 45°10’N and extends...
Polyhedra are geometric representations of linear systems of equations and
inequalities. Since polyhedra are used to represent the iteration domains of nested
loop programs, procedures for operating on polyhedra can be used for doing loop
transformations and other program restructuring transformations which are needed
in parallelizing compilers. Thus a need...
The most important part of parallel computation is communication. Except in the most embarassingly parallel examples, processors cannot work cooperatively to solve a problem unless they can communicate. One way to solve the problem of communication is to use an interconnection network. Processors are located at nodes of the network,...
Reprinted March 1997. 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 two literary touchstones of Charlotte Perkins Gilman and Willa Cather examined in this thesis anchored a larger discussion of the discourse about gender and sexuality during the First and Second Waves of feminism in America. "The Yellow Wallpaper" by Gilman deconstructed the notion of "femininity" manifested at the turn...
Environmental concerns have renewed the interest in electric vehicles. To gain
widespread use, electric vehicles will also have to offer good performance and be
reasonably priced. AC drive systems using modern semiconductors can provide
efficient operation at the required power levels, but their cost at present is still too
high....
With the advancement of technology, submicron CMOSonly process is available now for
Application Specific Integrated Circuits (ASICs). The high integration leads to the need for
high pin counts. However voltage supply and ground bounce due to many output drivers
switching at the same time is becoming a major problem. In...
This study investigated some functional and
biochemical characteristics of a bacteriolytic protein in
the salivary glands of adult Aedes aecupti. A method for
the isolation of this protein from other mosquito salivary
gland components is also described. Based on some of its
biochemical properties, this bacteriolytic protein can be
classified...
The purpose of this study was to develop a manager's planning guide to aid
in the development and improvement of international training projects through
the use of the Total Project Acculturation (TPA) concept. The use of TPA
promotes comprehensive learning through the use of project specific and
culturally adaptive learning...
For the Army aviator, Night Vision Goggle (NVG) flight in the tactical rotarywing
profile is a very demanding, task saturated environment. Map navigation is just one
of the many tasks that must be accomplished during flight. The dim, monochromatic
lighting required for NVG flight alters map colors, decreases image detail...
This study examines the link between policy-induced
changes in the relative prices of Mexican and U.S. frozen
vegetables and their shares of the U.S. market. Several
scenarios were examined in order to assess the impacts on
quantities demanded of both U.S. and Mexican produced
frozen vegetables caused by changes in...
The concept of marketing, with its primary focus on
meeting customer needs, is being adopted by federal agencies
such as the U.S. Forest Service who are in the business of
providing, among other things, recreation opportunities for
their visiting public. Although not a new concept, the
notion of applying marketing...
The acquisition and elimination of products and the resources needed to create them constitutes an important part of the business decision-making process. Activity-based costing (ABC) supports this process by providing a tool for evaluating the relative profitability of various products. It accomplishes this by allocating costs to products based on...
Adsorptive bubble-separation processes are used to
remove adsorptive contaminants from wastewater. A
mathematical model was developed for the adsorptive bubble
separation processes in a countercurrent column. The model
included an assumption that linear adsorption of the solute
occurred on the gas bubbles. Predictions indicated that
aqueous column height has less...