The objective of this thesis is to assess four winter feeding programs of spring-calving brood cows that may improve profitability to ranching operations of the Harney Basin, Oregon. The four feeding strategies include strip grazed rake-bunched hay, supplemented range grazing, strip grazed meadow pasture, and baled hay feeding. These first...
Published May 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
Horizontal wind flow has been measured around a windbreak in a cattle-feeding area using a solid plywood barrier. Wind reduction was greater with the solid barrier than with porous ones reported in literature. Snowdrift pattern around the barrier agreed approximately with the area of measured 50 percent or greater wind...
Published June 1976. 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
Oregon has many climates because of its proximity to the
ocean and because of the complex mountain ranges within the
State. Extensive record of the climate of Oregon is to be found
in some libraries and Weather Service Offices in the publication,
Climatological Data, Oregon. There is need, however, for...
Published August 1978. 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 December 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
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
The purpose of the study was to identify a list of skills, knowledges and related factors that are common to fourteen occupational cluster areas representative of the work community of Oregon. PROCEDURES A list of skills, knowledges and related factors needed for successful employment was derived from existing task analyses...
Published March 1979. 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 purpose of this study was to determine if passive
peer group presence had a significant effect on the
performance of students on the Test of Gross Motor
Development (TGMD).
Fifty-eight volunteer nonhandicapped children aged
five, eight, and ten years were subjects for the study.
There were 18 subjects aged...
Sorting is typically a compute intensive operation used in many
areas of industry. With improved technology, both in the VLSI and CAE
areas, we can afford to develop hardware based database computers to
move the work load off the main computer. In this thesis the
architecture of a VLSI parallel...
Published June 1978. 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 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
The decay of Pd¹⁰⁹, Pd¹¹¹ [superscript g], and Pd¹¹¹ [superscript m] produced by thermal neutron irradiation of palladium targets has been investigated. Gamma ray energies and relative intensities have been measured with a high resolution Ge(Li) spectrometer. From energy sums and relative intensity considerations level schemes for Ag ¹⁰⁹ and...
In the western United States, sagebrush (Artemisia spp L.) dominated rangelands are extensive, accounting for approximately 63 million ha. The Wyoming big sagebrush (Artemisia tridentata Nutt. ssp. wyomingensis Beetle & Young) alliance is found in more xeric environments, occupying the largest area of the big sagebrush complex in areas within...
This study consisted of two research projects in the Wyoming big sagebrush (Artemisia tridentata ssp. wyomingensis (Beetle & A. Young) S.L. Welsh) alliance, the most extensive of the big sagebrush complex in the Intermountain West. In the first project, we intensively sampled 107 relatively undisturbed, late seral Wyoming big sagebrush...
On piñon-juniper encroached sites that lack the understory fuels to carry a prescribed fire, treatment options are limited to mechanical methods. Cutting with chainsaws and leaving the trees on site has been the primary treatment method for such sites, however this method creates a potential fire hazard, particularly in the...
Background. Many studies addressing the reasons why minority students fail in higher education are based on what is defined as a deficit model. A deficit model documents that a significant number of minority students fail because their culture is distinct from that of the majority population. Numerous minority students do...
Research examining disparity between baccalaureate completion among "native" and community college transfer students has gained attention in recent years. Current and prior research has identified important pre-college and demographic characteristics with a positive relationship to baccalaureate completion. Yet few studies have focused on the influence of nonacademic and academic environmental...
Quaking aspen (Populus tremuloides Michx.) is known to be a widely distributed, shade-intolerant and short-lived hardwood found in both seral, even-aged and stable, uneven aged stands. There have been reports of extensive aspen mortality, crown thinning, and branch dieback across North America that have been linked to the occurrence of...
Disease detection through traditional techniques such as scouting fields on foot, molecular assays, or morphological identification of plant pathogens is time consuming and costly. Disease diagnosis in the field can be extremely subjective, and largely depends on the experience and knowledge of pathogen identification and disease quantification. This thesis provides...
Humans have long suffered the effects of disease causing biological agents. Today bioterrorism appears to be on the rise while at the same time global and ecological changes have resulted in the emergence of new diseases. Potential repercussions of an epidemic pose immense challenges requiring a methodical approach to align...
Background. As community colleges are increasingly composed of Millennial-aged professionals, workforce retention of those professionals is now a major priority. The Millennial generation is more diverse and more likely to be impacted by technology than any generation before them and is a generation characterized by dual-income partnerships. These and other...
The quality of radiation-pasteurized halibut stored at 34°F
was evaluated subjectively and objectively over a period of 18 weeks.
Results of flavor evaluation and chemical analyses showed that the
storage life of halibut irradiated at 0.50, 0.75 and 1.00 megarad was
extended more than threefold. Although irradiated samples were
consistently...
The purpose of this study was to investigate the relationship between poverty and mental retardation and to place mental retardation in its true perspective as a social condition which thrives especially in poverty areas. More specifically, this study attempted to determine if there was any significant relationship between selected social...
Since the late 1880's western juniper has expanded in range and
increased in density in sagebrush-bunchgrass, riparian, and forested plant
communities of the Pacific Northwest. Succession to western juniper
woodland has been shown to reduce the productivity and diversity of the
understory component, result in concentration of soil nutrients beneath...
This study was designed to discover how beneficiary participation in decision making can be encouraged and enhanced in rural development assistance projects in developing countries. The study sought to increase the understanding about how beneficiary participation occurs through the identification of patterns, processes or techniques in development assistance projects that...
This study was developed in order to determine whether substantiation
for Carl Rogers' theory of originality as related to an internal
locus of control could be located among groups of elementary
school children. The setting was in Portland, Oregon, in three types
of city schools: suburban (upper/ upper-middle class); conventional...
New technology may have negative, as well as positive, effects on a sociocultural system. Biodiesel is growing in popularity as a fuel alternative that addresses global warming and reduces dependency on petroleum. The biodiesel innovation fits well into the existing behavioral infrastructure of Linn and Benton Counties, Oregon. The introduction...
The change process for clients in long-term adolescent residential treatment has received heightened research attention for the past 15-year (Gass, 2006). The research indicates that individuals enrolled in long-term adolescent residential treatment centers, on average, experience improved psycho-social functioning to degrees that are statistically and clinically significant (Behrens & Satterfield,...
The potassium salts of a series of 1-vinylcycloalk-3-en-l-ols were found to undergo ring expanding [1, 3]-sigmatropic shifts at 25° when dissolved in hexamethylphosphoramide (HMPA) or 1, 2-dimethoxyethane (DME) with 18-crown-6. The yields and reaction rates were compared with those of the corresponding Siloxy-Cope ring expansions. These anionic cases showed about...
This study evaluates the effect of an Acquired Immune Deficiency Syndrome (AIDS) prevention program on the incidence of gonorrhea among the enlisted men in the 105th Battalion of the Honduran Army. The education program was initiated as a result of the high incidence of AIDS in Honduras (more than half...
Selection of colored nest boxes by wood ducks (Aix sponsa)
was evaluated during the breeding seasons of 1967-68 in Benton
County, Oregon. No color or site factor influence was observed
in 1967 when nest boxes were erected in sets of eight boxes
served in 1967 when nest boxes were erected...
Five experiments were conducted to study the activity of the
pituitary gland in sheep as influenced by estrogen administered alone
or in combination with progesterone. Particular emphasis was given
to the study of gonadotropic activity.
Mature wethers (experiments I, III, IV and V) or ewes (experiment
II) were utilized as...
This survey looks at five different polygon breaking algorithms and compares them. The criteria for comparison are:
1. Complexity of the algorithm.
2. The number and type of subpolygons produced.
3. The classes of input polygons that can be broken.
The best algorithm is then coded and a comparison is...
Job satisfaction has received considerable attention within the community college sector, but there is limited research focused solely on the job satisfaction of foreign-born faculty members employed at community colleges. The purpose of this study was to examine factors associated with job satisfaction among foreign-born faculty members employed at U.S....
A total of five individual experiments were conducted with
gonadectomized, male sheep to study the influence of estrogen on
the plasma level of pituitary activities, with the greatest emphasis
given to gonadotropic activity. Estrogen treatments employed were
as follows:
1. 12 mg. diethylstilbestrol (DES) implanted subcutaneously.
2. 1 mg. DES...
Twenty-eight Columbia ewes were made available for study
during their breeding and anestrous seasons. After the regularity
of the estrous cycles had been established, eight of the ewes were
sacrificed in pairs at four different stages of the estrous cycle.
Eight additional ewes were sacrificed during anestrus. Pituitary
glands, ovaries,...
In this dissertation we consider the problem of
automating the design of access structures for relational
database systems. The main considerations are effective
and rigorous utilization of the users' usage patterns,
global treatment of the whole design and utilizing most of
the commonly known access structures.
We represent the usage...
Higher education is being asked to address issues of quality, accountability, and transparency. Accreditation is one tool higher education institutions use to address these concerns. The purpose of this quantitative study was to analyze the impact of the new accreditation standards adopted by the Northwest Commission for Colleges and Universities...
In 2010 the American taxpayers spent $697 million educating veterans under the provisions of the Servicemen's Readjustment Act of 1944 (commonly referred to as the GI Bill). Most veterans begin their college education at a community college. However, the number of veterans succeeding in community colleges is exceedingly low. Based...
: ______________________________________________________
Earl P. Johnson
In 2010 the American taxpayers spent $697 million educating veterans under the
Institutions of higher education are increasingly being held accountable and experiencing pressure to demonstrate how well their students are achieving intended learning outcomes. External and internal influences fuel this pressure. After decades of rhetoric on student learning outcomes assessment there remains a question of whether the practice has been fully...
The SEAS Directory and File Manager is a multiple window interactive tool to assist users in modifying and maintaining UNIX files and directories. This tool includes a show directory utility, a show file utility, a type file utility and provides access to the UNIX shell.
The purpose of this study was to compare the effectiveness of a
learner-centered teaching system and that of a conventional teaching of
basic electricity to university students. For this study 65 students
enrolled in basic electricity at Arizona State University in Tempe,
Arizona were used, distributed in two fall semester...
Background. As part of the nationwide student completion agenda, the Achieving the Dream (ATD) national reform network was established to help community colleges quickly institute sustainable change scaled to impact all students at the institution in a short period of time. Although ATD has been in existence for over a...
How do organizational members socially construct the shared meaning of a mandated change in the external environment? The opportunity to address this question presented itself when President Barack Obama set forth a goal for American community colleges to increase the number of students completing certificates and degrees by 5 million...
The minimal kernel for a network data base management
system is developed. It includes format specification for
the object schema and the data base file, and routines for
performing the basic network functions.
The object schema defines the relationship between the
schema, records, sets, and fields. It informs the system...
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...
Purpose of the Study:
The purpose of this study was to identify and compare the current
written philosophical expressions of industrial arts with the
acceptance of these by select groups of industrial arts teacher educators.
Procedure:
The data for this study were obtained through the use of a
questionnaire derived...
This paper discusses a new approach to the design of operating systems. We view the jobs or tasks in this system as a number of small independent steps or functions which are sequenced together to produce a desired result. The concepts upon which this operating system is based are drawn...
There were six major objectives of this study. The first was to
identify the common career education competencies that elementary
and/or junior high school teachers should have as they adopt and
utilize the concepts of career education. The second purpose was to
identify where, in the professional preparation of the...
The Purpose of the Study
The central purpose of this study was to identify the common
competency elements deemed necessary for entry-level vocational
certification and to develop these elements into groups that would
serve as a basis for use in an occupational competency test. Questions
to be answered from the...
This document describes the design and implementation of a pair of language interfaces to a network database management system. CSDDL provides the DBMS with a data description language facility, and CSDSDL functions as a data storage description language interface of the DBMS. Source languages of CSDDL and CSDSDL are approximately...
Allegro is a network database management system being developed at Oregon State University. This project adds a user friendly query facility to the system. The user is presented with pictorial display of the network records and a query interface modeled on the Query-By-Example system. By request the user may be...
Purpose of the Study
The purpose of this study was to determine the exposure and
influence of recruitment techniques and influential sources and factors
which influenced student selection of vocational-technical education.
Procedures
The data for this study were obtained through the use of a student
questionnaire. The questionnaire was administered...
The purpose of this study was to examine how three
groups of counselors 1n Oregon's secondary schools viewed
the issue of what tasks should be performed by the Oregon
secondary school counselor. The three groups surveyed
were: sixty-three counselors who have standard norms,
sixty-six counselors who have basic norms, and...
Branch campuses play an important part in postsecondary degree attainment by providing place-bound students from diverse socioeconomic backgrounds in different geographical regions access to education that is convenient. Their heterogeneousness structures, including enrollment size, communities, and populations served, are not accurately reflected in the majority of the research. Currently, there...
This study documented the influence of the completion agenda on decision-making by community college career and technical education (CTE) deans. Ten career and technical programs deans were identified as the sample for the study. Washington State was selected because of the Student Achievement Initiative that was developed as a completion...
The purpose of this research study was to enhance understanding of successful conflict management by community college Presidents through highlighting and describing conflict experiences with the faculty union or the board of trustees in a community college context. The following questions guided the research: (a) How do community college Presidents...
Sediment transport measurements on Flynn Creek, a headwater stream in the Oregon Coast Range, have illustrated the magnitude of
fluvial transfer processes, primarily of the bedload component, during a moderate storm runoff season (1979 water year). The total dissolved solids concentration of storm runoff averaged 40 mg/L, and was independent...
The expansion of pion-juniper woodlands the past 100 years in the western United States has resulted in large scale efforts to kill trees and recover sagebrush steppe rangelands. It is important to evaluate vegetation recovery following woodland control to develop best management practices. In this study, we compared two fuel...
The cocondensation reactions of molybdenum trioxide vapor with
tetraalkoxysilanes, trimethylalkoxysilanes, and hexamethyldisiloxane
at -196°C were investigated. The products from the metal vapor
reactions of tetramethoxysilane, tetraethoxysilane, and tetrapropoxysilane
were characterized as molybdenum(VI)dioxodialkoxy compounds. The isolated compounds were found to be polymeric in the
solid state by bridging through alkoxide groups....
Experiments are reported which demonstrate that a cobalt deficiency
in R. meliloti results in a decreased cytochrome content of
bacterial cells. It is concluded that the effect of cobalt deficiency
on cytochrome content of Rhizobium cells and on the leghemoglobin
content of nodules possibly may be explained by an effect...
A transaminase (aminotransferase, EC 2. 6. 1) was extracted and
purified approximately 148-fold from shoot tips of pea (Pisum sativum
L. cv. Alaska) seedlings and some properties of the enzyme were
determined. The purification included acetone precipitation followed
by column chromatography on hydroxylapatite.
With a-ketoglutarate as co-substrate, the acetone precipitated...
The purpose of the present study was to determine the association
of initial weight, average daily gain, days on feed, percent total
digestible nutrients (TDN) and percent digestible protein in the ration
with USDA carcass grade, marbling score, conformation score, back
fat thickness and area of longissimus dorsi of beef...
An assay for fungicidal activity of sodium N-methyldithiocarbamate
(Na-MDC) and its decomposition products was developed
in which there was a minimum influence due to the widely varying
physical properties of the compounds (i.e. vapor pressure and water
solubility). Decomposition of the toxicant during the tests was
measured and held to...
A series of eight trials was conducted to determine if supplementation
with arginine improved growth of young rats, Japanese quail
and swine fed low-lysine diets. In five rat trials, with a variety of
basal diets, no evidence of a "sparing effect" of arginine on the lysine
requirement was found. A...
An investigation of the fishes of the Willamette River and three of its larger tributaries was made during July, August, September, and November of 1951, to ascertain the possibility of using them as bio-indices of pollution. Thirteen stations were established on the Willamette River and tributaries. These stations were selected...
Optimization of the galvanovoltammetric determination of dissolved
chlorine in a flowing stream was achieved through the use of
an analog computational device and improvements in the design of the
galvanovoltammetric cell and accompanying electronic circuitry. An
analysis system, applicable to industrial use over a range of flow
rates and dissolved...
An ionization chamber was constructed, using a fiberglass wall
sphere, for the purpose of measuring background radiation. The
system consists of the fiberglass wall chamber, 38.85 liters in
volume, air filled, not sealed, used in conjunction with a precision
capacitor, nulling voltage supply and electrometer. It was calibrated
against a...
Winter wheat is commonly grown in rotation with leguminous and non-leguminous crops in the Willamette Valley. For agronomic, economic, and environmental reasons it is important to understand the influence of previous crops on availability of N and other nutrients. Objectives of this study were: (1) to evaluate the effects of...
Grass seed producers in Oregon's Willamette Valley have
employed the cultural practice of post-harvest open field burning
since the mid-1940's for purposes of field sanitation and crop residue
disposal This practice creates environmental quality problems of
air pollution during the late summer Recent public concern over
the valley's environmental quality...