Index Catalog // ScholarsArchive@OSU

The geography of the apple industry of the Chelan Valley, Washington

Creator:: Detering, Floyd John
Abstract:: The Chelan Valley is one of several valleys located on the eastern slope of the Cascade Mountains contributing to the leadership of Washington in apple production. Since the nature of the activity in the Chelan Valley is typical of all these producing areas,it was selected as a case study of...
Resource Type:: Masters Thesis

Geography of the land use in Okanogan County (Washington)

Creator:: Hall, James Edward
Resource Type:: Masters Thesis

Chemical reaction studies by frequency response methods

Creator:: Knudsen, Robert Allen
Abstract:: A method for measuring chemical reaction rates in order to distinguish between different reaction mechanisms is presented. This method was used to study zero -, first- and second -order reactions by analyzing the output response to a sinusoidal input of reactant concentrations in an isothermal continuous stirred tank reactor. The...
Resource Type:: Masters Thesis

Geology of the Picture Gorge quadrangle, Oregon

Creator:: White, Willis Harkness
Abstract:: There are seven stratigraphic units exposed in the Picture Gorge quadrangle, a 204-square mile area in east-central Oregon. isolated exposures of pre-Cretaceous serpentinites, metalimestones, and other metamorphic rocks record marine deposition of sands silts, and limy sediments followed by burial, lithification, peridotite intrusion, and several periods of deformation. Intrusion and...
Resource Type:: Masters Thesis

The design and evaluation of an electronic estimator of probability density distributions

Creator:: Senk, Frederick Martin
Abstract:: This thesis discusses the design and evaluation of an instrument that can estimate the probability density distributions of bandlimited, aperiodic electrical phenomena. This estimator can obtain the probability density estimates of signals that are contained within the frequency range of 100 cps. to 20 kcs. However, the basic design logic...
Resource Type:: Masters Thesis

A numerical solution to the dynamic response of a simply supported beam under a moving mass load

Creator:: Sevilla, Ronaldo Antonio
Resource Type:: Masters Thesis

The Warner Valley Stock Company ; a geographic study

Creator:: Hunt, Jack Horace
Abstract:: This thesis is a case study of the Warner Valley Stock Company, a large eastern Oregon Stock Ranch, which utilizes over 680,000 acres of government grazing land. The purpose is to examine the background growth, and forces affecting the ranch. The relationship of man to land can be understood by...
Resource Type:: Masters Thesis

An analysis of a small mammal population census

Creator:: Schamberger, Melvin
Abstract:: During the spring of 1963 and 1964 an investigation of a small mammal community was made in McDonald Forest, near Corvallis, Oregon. The revised North American Census of Small Mammals procedure was used, and from this census the species composition of the community was determined. The relationships of several genera...
Resource Type:: Masters Thesis

A stratigraphic study of the marine Cretaceous rocks near Mitchell, Oregon

Creator:: McKnight, Brian Keith
Abstract:: Nearly 9,000 feet of Cretaceous mudstones, shales, sandstone, and conglomerates are exposed along the northeast-trending Mitchell anticline of central Oregon, These rocks are divided into two formations on the basis of criteria developed in this investigation. The lower formation, hereby designated the Meyers Formation, is 4,716 feet thick at its...
Resource Type:: Masters Thesis

A study of some observed variations in radar Z-R relationships within storms

Creator:: Takeuchi, Donald Masaru
Resource Type:: Masters Thesis

The localization of the United States sugar beet seed industry with emphasis on the Willamette Valley

Creator:: Tonack, Wayne Eugene
Abstract:: This investigation has analyzed and described the impact of place on one of man's activities -- the production of sugar beet seed. It is apparent that in this activity man's relationship to the earth is especially close and dependent upon a number of factors. These are localizing factors. Sugar beets...
Resource Type:: Masters Thesis

The fate of oxides of nitrogen through a direct flame afterburner in the exhaust of a gasoline engine

Creator:: Jaros, Gary Dean and Parkin, Neill Richard
Resource Type:: Masters Thesis

Steroid-dihalocarbene reactions

Creator:: Damewood, John Roderick
Abstract:: Dihalocarbenes have been generated by thermal decomposition of sodium trichloroacetate and tribromomethylphenylmercury, and give mono dihalocyclopropyl adducts with steroid dienes. Such compounds offer an easy starting point for the synthesis of unusual derivatives of potential biological interest. Under the same conditions, however, addition to non-conjugated double bonds does not take...
Resource Type:: Masters Thesis

Diurnal and seasonal flight patterns of bark beetles (Coleoptera : Scolytidae) associated with Douglas-fir forests of western Oregon

Creator:: Daterman, Gary E.
Abstract:: The study was undertaken to determine the seasonal and diurnal flight patterns of scolytid beetles inhabiting a second growth forest of Douglas-fir (Pseudotsuga menziesii (Mirb.)Franco) in western Oregon. Air temperatures, relative humidity, light intensity, and wind velocities were recorded for evaluation of their influence on flight activity. The insects were...
Resource Type:: Masters Thesis

A mathematical method of evaluating the reliability of electronic equipment

Creator:: Lindquist, Claude S.
Abstract:: Reliability, the probability that a system will not fail but will perform correctly at least until some arbitrary time, is becoming an increasingly important concept in electronic system design. This probability is evaluated using probability density functions which are obtained analytically by forming mathematical expressions describing the failure distributions of...
Resource Type:: Masters Thesis

Folic acid response of chicks and poults fed diets containing ingredients from natural sources

Creator:: McKeen, William David
Abstract:: Eight experiments, two with poults and six with chicks, were undertaken to determine the requirement for supplemental folic acid as related to protein level and major protein source. Protein levels for chicks and poults were 21, and 28 or 28 and 32%, respectively. Major protein sources were soybean meal, fish...
Resource Type:: Masters Thesis

The effects of selected commercial detergents used at various temperatures on wool : soil removal as evaluated by radioactive tracer methods and dimensional changes

Creator:: Hodam, Barbara Lenore
Abstract:: One purpose of this study was to evaluate three commercial detergents by comparing their removals at 70 and 120°F. of palmitic acid and clay components of a simulated natural soil which had been applied to wool yarns by immersion and abrasion methods. These detergents were a built soap and two...
Resource Type:: Masters Thesis

Nutritional muscular dystrophy production and pectoral muscle 5'-nucleotidase activity in the chick

Creator:: Roffler, Sheila Ann
Abstract:: In an attempt to find a laboratory species which develops an experimental myopathy similar to white muscle disease (WMD) in lambs, comparative studies of nutritional muscular dystrophy of chicks were initiated. This condition was grossly visible as white striations running parallel with the fibers of the pectoral muscles and was...
Resource Type:: Masters Thesis

An ecological reconnaissance of the artemisia steppe on the east central Owyee uplands of Oregon

Creator:: Culver, Roger Norman
Abstract:: As the management of range lands is intensified or as improvement activity is increased, a critical need is seen to refine the understanding of the ecology of these lands. If soil surveys on range lands are to be meaningful and useful, the relationship between the fundamental ecological units and the...
Resource Type:: Masters Thesis

Design of an electrical analog for spherical wave propagation in solid elastic media

Creator:: Papageorge, George Elefterios
Abstract:: With the advent of underground testing, the study of the propagation of seismic signals has become of great importance. This thesis investigates the design of electrical analogs to represent the propagation of seismic waves. The analogs developed allow for the study of the effects of variations in the characteristic constants...
Resource Type:: Masters Thesis

Coalescent singular points of differential systems having quadratic right hand sides

Creator:: Matzdorff, Edward Max
Resource Type:: Masters Thesis

Temperature microenvironments associated with early stages in plant succession on Douglas-fir clear-cuts in the Oregon coast range

Creator:: Robinson, Myles Canby
Resource Type:: Masters Thesis

Web buckling failure of built-up girders with rectangular holes

Creator:: Cato, Stuart Leslie
Abstract:: This thesis investigated the methods of failure in the webs of built up girders. The beams had rectangular holes five and one-half inches wide and seven and one-half inches high with rounded corners in a web fourteen inches deep between flanges. The longitudinal position of the hole edge varied from...
Resource Type:: Masters Thesis

The present and future role of industrial forest land of Oregon in outdoor recreation

Creator:: Boyle, Richard Francis
Abstract:: About 16 percent of Oregon's forest land is owned by the various components of the forest industry. Most of this area lies within the relatively heavily populated western portion of the state. These factors, plus the fact that the public seems to have a peculiar attitude about property rights when...
Resource Type:: Masters Thesis

Effects of dispersion and parent population density on enclosed populations of Microtus montanus (Peale)

Creator:: Smith, Jerome Stafford
Abstract:: This field investigation was designed to further the understanding of the significant influence which parent population density, as well as dispersion, have on the dynamics of enclosed populations of the montane vole, Microtus montanus (Peale). The study was conducted in Klamath County, Oregon from June, 1963 to February, 1964. The...
Resource Type:: Masters Thesis

The patterns of development and distribution of collagen, reticulin, and elastin in the placentae of the golden hamster (Mesocricetus auratus Waterhouse)

Creator:: Ritschard, Ronald Laird
Abstract:: This study deals with the patterns of development and distribution of connective tissue fibers in the placentae and adnexa of the golden hamster (Mesocricetus auratus Waterhouse). The placentae and adnexa representing all days of gestation from six to term were stained for the presence of collagen, reticulin, and elastin. Additionally,...
Resource Type:: Masters Thesis

Fine structure of the interstitial cells of the antebrachial organ Lemur catta

Creator:: Kneeland, Jean Elisabeth
Abstract:: Tissue obtained by punch biopsy from the antebrachial organ of Lemur catta has been studied with the electron microscope. This study describes the fine structure of the interstitial cells found between apocrine sweat glands in the antebrachial organ. These large polygonal cells are of three types: light cells, dark cells,...
Resource Type:: Masters Thesis

The role of Verticillium albo-atrum Reinke and Berth in seed transmission and induction of a latent disease of Pelargonium

Creator:: Koocheki, Hormozdyar Khodadad
Abstract:: Many initially healthy Pelargonium seedlings developed symptoms of Verticillium wilt in an Oregon State University greenhouse when they attained blooming age. The symptoms first appeared in May as "edge burning," yellowing, and wilting of leaves. In late summer, these seedlings which were the offspring of Verticillium infected plants, became severely...
Resource Type:: Masters Thesis

Response of scorbutic guinea pigs to ascorbic acid and adrenocorticotropic hormone (ACTH)

Creator:: Riker, Joseph Thaddeus III
Abstract:: Thirty-six female guinea pigs were placed on a scorbutogenic diet for 14 days and then divided into groups of four. Three groups received adrenocorticotropic hormone (ACTH) with each group given 10, 20, or 40 units. Three groups each received 50 mg of ascorbic acid and three groups received 50 mg...
Resource Type:: Masters Thesis

A study of radar echo patterns related to mesoscale network observations and topography

Creator:: Knechtel, Kenneth Boyd
Abstract:: This investigation studies the relationship of the reflectivity in the radar beam depicted by the radar echo patterns to the computed reflectivity at surface observing stations under the radar beam. Drop size distributions at stations in the Oregon State University Mesometeorological Network during the storm period of 27-30 March 1963...
Resource Type:: Masters Thesis

A cardiovascular prosthesis for subhuman primates

Creator:: Chambers, Alan B.
Abstract:: This study reports the design, construction, and evaluation of an automatic cardiac massage device and support system. The design incorporates the principle of a cardioplethysmograph operated in reverse, such that pneumatic power fed to the prosthesis will mechanically impart a massaging action to the heart. Basically, the prosthesis is a...
Resource Type:: Masters Thesis

The morphology of the reproductive tracts of the Pacific Northwest pulmonates

Creator:: Porter, Clarence Alan
Abstract:: The morphology and taxonomic use of the reproductive tracts of some of the Pacific Northwest Pulmonates were studied. The snails examined were, Monadenia fidelis (Gray), Vespericola columbiana (Lea), Allogona townsendiana (Lea), Haplotrema sportella (Gould), and Haplotrema vancouverense (Lea). The length of the reproductive tracts of nine or more individuals of...
Resource Type:: Masters Thesis

The biologies of two dipterous predators of Dendroctonus pseudotsugae Hopkins (Coleoptera : Scolytdae) in western Oregon and Washington

Creator:: Johnsey, Richard Lee
Abstract:: The objectives of this study were: 1) to learn the life history and habits of Medetera aldrichii Wheeler and a Lonchaea sp. in association with the Douglas-fir beetle, Dendroctonus pseudotsugae Hopkins, in western Oregon and Washington; 2) to determine if the larvae of M. aldrichii were predaceous on the Douglas-fir...
Resource Type:: Masters Thesis

Fatigue of the alloy columbium (niobium) - one percent zirconium

Creator:: Watson, William Paul
Abstract:: This paper is a study of the fatigue properties of the alloy columbium - one percent zirconium in reverse bending. This paper also is a design study of a satisfactory plate reverse bending fatigue specimen configuration for use with the General Electric PRB pneumatic testing machine. Selected tensile tests were...
Resource Type:: Masters Thesis

Greenhouse culture of some aphid species from woody plants

Creator:: McNicholas, Frank Joseph
Resource Type:: Masters Thesis

The control of moisture condensed from saturated air flowing through cooled porous media

Creator:: Trent, Donald S.
Resource Type:: Masters Thesis

Distribution of fishes in tributaries of the lower Columbia River

Creator:: Reimers, Paul E.
Abstract:: During 1963 and 1964 collections were made in tributaries of the lower Columbia River and literature was reviewed to compile a list of fishes from that area. Based on available sources and collections in this study, a total of 28 families and 77 species are known from the lower Columbia...
Resource Type:: Masters Thesis

Influence-techniques used in nursery school to modify the behavior of children

Creator:: Smalley, Karen Joyce
Abstract:: The major purpose of this study was to determine if there was relationship between the power of the influence techniques used by teacher in a nursery school setting and the response of the children to these techniques. The subjects were sixteen nursery school children and two trained nursery school teachers...
Resource Type:: Masters Thesis

Growth and production of warmwater fishes as influenced by experimental stocking combinations

Creator:: Young, Franklin Robert
Resource Type:: Masters Thesis

The relationship of 5'-nucleotidase activity in lamb muscle tissue to sub-minimal selenium levels administered to their dams

Creator:: Arnold, Margaret Anna
Abstract:: White muscle disease or muscular dystrophy of sheep is a selenium responsive malady common to many areas with an inherent natural deficiency of selenium in the forage. The disease can be prevented in lambs by adding trace amounts (approximately 0.1 ppm) of selenium to the otherwise selenium deficient, forage fed...
Resource Type:: Masters Thesis

An introduction to scators

Creator:: Choban, Paul James
Abstract:: The indicated sum of a real scalar and a real or imaginary vector is called a scator. Either the scalar part or the vector part may be null. Scators generalize the complex variable to n-space. The algebra of scators is not generally associative under multiplication but the commutative and distributive...
Resource Type:: Masters Thesis

Foraging and nesting behavior of the leaf-cutter bee Megachile rotundata (Fabricius)

Creator:: Osgood, Charles Edgar
Abstract:: The study provides the details of the ethology of Megachile rotundata (Fabricius), and presents preliminary observations on its foraging and nesting behavior. Development from prepupae to adults proceeds most rapidly at 32 degrees C., and is retarded when held at lower and higher temperatures. Male behavior is distinct from that...
Resource Type:: Masters Thesis

The influence of chemical and biochemical properties on the herbicidal efficiency of 3-cyclohexyl-5, 6-trimethylene uracil and 2-bromo-6'T-butyl-o-acetotoluidide

Creator:: Mackenzie, John William
Abstract:: Application of herbicides to the soil has become an important factor in the production of row crops. Economic production of sugar beet (Beta vulgaris), an important row crop, requires efficient methods of weed control. Two experimental herbicides, 3-cyclohexyl-5,6-trimethylene uracil (DP634) and 2-bromo-6't-butyl-o-acetotoluidide (CP32179), had shown promise in sugar beet screening...
Resource Type:: Masters Thesis

Comparison of the host range and physical properties of Eola rasp leaf, tobacco ringspot and tomato ringspot viruses

Creator:: Liu, Kang-chien
Abstract:: Eola rasp leaf of cherry was first described by Milbrath and Reynolds in Oregon in 1961. Dr. Cadman of the Scottish Horticultural Research Institute suggested that this disease was incited by a strain of tomato ringspot virus (TomRSV), but since then controversial results with some isolates of EoIa rasp leaf...
Resource Type:: Masters Thesis

Critical path scheduling : tableau method

Creator:: Inoue, Michael Shigeru
Abstract:: The concept of a Critical Path Scheduling Tableau is introduced as an integrating tool for solving industrial engineering problems involving the application of transitive graphs. The Tableau is a combination of a precedence matrix and a boundary time table which may be used to construct graphical representations for critical path...
Resource Type:: Masters Thesis

Obtaining optimum photographic recording of data from weather radar presentations

Creator:: Pembrook, John David
Abstract:: This paper discusses the theoretical design parameters of photographic data recording systems associated with atmospheric research radar. Practical considerations modify these theoretical results. The design of a recording system employed on the Range Height Indicator (RHI) scope of the weather Radar Set AN/CPS-9 atop McCulloch Peak, Oregon, illustrates the optimization...
Resource Type:: Masters Thesis

Interrelationships between fungi associated with the damping-off disease of table beets in Oregon

Creator:: Lin, Shu-yen
Abstract:: Damping-off of table beets is of widespread occurrence in the Willamette Valley of Oregon. Pythium ultimum Trow., Pythium debaryanum Hess., and Rhizoctonia solani Kuhn. were found to be the important pathogenic fungi causing the disease. Trichoderma viride, Penicillium spp. Streptomyces spp. and certain isolates of bacteria, all saprophytic organisms associated...
Resource Type:: Masters Thesis

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