The decay of ⁶¹Cu and ⁵⁹Cu produced by (d, n) reactions on
natural nickel has been investigated. Gamma-ray energies and relative
intensities were measured with a high resolution Ge(Li) spectrometer.
The gamma-gamma coincidence spectrum of ⁶¹Cu was
studied with a Ge(Li)-NaI(T1) system. From these data decay
schemes of ⁶¹Cu and...
Although studies have shown that some marine invertebrates
can obtain a portion of their nutrition from dissolved and nonliving
particulate organic matter, the relative importance of such foods in
their diet has not been established. The success of oyster hatcheries
could be significantly improved if the diet of living algal...
The lack of availability of a single, complete paper on the
analysis of a digital data acquisition system for in situ oceanographic
measurements brought about the present work. In order to compile
an accurate technical paper on such a complex system, it was necessary
to design, construct, and calibrate a...
A strain of Aphanizomenon flos-aquae Born. et Flah. has been
introduced into culture and maintained since August of 1964 in completely
defined media. It exhibits the planktonic, colonial flake form
found in nature, and both heterocysts and akinetes are present. The
color and size of the flake and general appearance...
Investigations with ram semen were conducted to develop procedures
of cyrogenic preservation that would provide long-term
retention of fertilizing capacity in ram spermatozoa.
An isotonic extender consisting of egg yolk, sodium citrate,
lactose, glycerol, and a broad spectrum antibiotic was selected from
among several extenders tested in pilot studies. Using...
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...
Eleven hand specimen whole rock (WR) samples (25-200 g each) and
33 fragments (0.5-0.8 g each) from a single basaltic flow at Picture
Gorge, Oregon were analyzed via instrumental neutron activation
analysis (INAA) for 12 elements (Na, Fe, Cr, Sc, Co, La, Sm, Eu, Yb,
Lu, Hf and Ta). Standard...
The effect of 2-aminoethyl-2-thiopseudourea[superscript .]Br[superscript .]HBr (AET),
2-mercaptoethylamine[superscript .]HC1 (MEA) and trisodium calcium chelate of
diethylenetriaminepentaacetic acid (CaNa₃DTPA) on the radiosensitivity
of rat fetus was investigated. A total of 1256 fetuses were
critically examined.
Exposure of rats to 200 r whole-body X-irradiation at 9.5 days
of gestation resulted in a...
The wetlands are distinguished from other lands of the Mid-Willamette Valley by excessive soil moisture. The wetlands, as defined for this study, consist of 20 soil series (in 22 soil mapping units) which are classified by the Soil Conservation Service as having excessive wetness as the major factor limiting their...
This paper is a classification of 181 problems, each of which involves the evaluation or application of determinants. The problems are those which have appeared in the "Problems and Solutions" sections of the American Mathematical Monthly, Deutsche Mathematiker-Vereinigung Jahresbricht, Mathematics Magazine, and School Science and Mathematics. The problems are classified,...
An automatic digital titrator for use in potentiometric titrations
is described. The automatic titrator described provides
a permanent digital and analog record of all titrations. The modular
units which combine to form the automatic titrator are described
individually. Accuracy achieved by the titrator on successive
acid-base titrations of ammonia in...
Published October 1942. 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 September 1949. 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 August 1944. 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 January 1951. 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 extraction of tantalum fluoride complexes by large cationic
extractants (tetraphenylarsonium ion, TPA, and crystal violet) and
by methyl isobutyl ketone (MIBK) has been investigated as a function
of fluoride concentration using ¹⁸² Ta as tracer. Extractions by the
cationic extractants into chloroform were carried out in the absence
of...
Purpose
The purpose of this study was to discover the status and characteristics of reading programs in the public secondary schools of Oregon.
Procedures
Questionnaires were mailed to all of Oregon's 327 schools, 106
junior high schools and 221 senior high schools. Responses were received
from 84.7 percent of the...
Six experiments were carried out with Single Comb White Leghorn laying chickens to
assess the effect of feeding a source of direct-fed microbials (Lactobacillus; Lacto) and its
carrier [condensed cane molasses solubles (CCMS)] on the retentions of fat, nitrogen and
several minerals; on the status of the pH of the...
Voltage scanning coulometry was used to study the effects of
electrode surfaces and metals on the electrochemistry of the ferric-ferrous couple and the silver ion-silver metal couple. The analytical
technique called voltage scanning coulometry is very similar to controlled
potential coulometry. The main difference is that in voltage
scanning coulometry...
A procedure is described for the optimization of a previously
described continuous analysis adaptation of the Pearl-Benson or
nitroso method for estimation of spent sulfite liquor (SSL) or ligno-sulfonates.
The optimized procedure has a response time of 6.5 minutes. In order to monitor samples whose SSL concentration is
between 0...
A gas chromatographic procedure was developed for the determination
of nanogram quantities of hydrocyanic acid using a
flame ionization detector. Excellent chromatograms were obtained
on a porous polyaromatic polymer column (Porapak Q) at 60°C. The
procedure was employed for the analysis of HCN in aqueous cyanide
solutions. Solutions as low...
The Kroll Process for the production of zirconium utilizes
the reduction of zirconium tetrachloride with metallic magnesium.
Control of the magnesium content of the final zirconium metal is
essential, as residual magnesium adversely influences the properties
of zirconium.
In this thesis a volumetric method has been presented for the
determination...
The purpose of this study was to compare the perceptions
of the university environment of four selected groups
of residence hall students at Oregon State University:
male elected residence hall leaders (N -52), male non-leader
residence hall students (N-52), female elected residence
hall leaders (N-53), and female non-leader residence hall...
The purpose of this study was to compare the changes in the
perception of the university environment that occurred in four selected
.groups of freshmen residence hall students: females residents in
single-sex halls (N = 150), female residents in coeducational halls
(N = 89), male residents in single-sex halls (N...
The surface areas and pore size distributions of a
series of terrigenous marine sediments were measured by gas
adsorption. The sediment samples were taken from the continental
terrace off the coast of Oregon near Newport.
Sampling stations ranged up to 35 miles off shore between
44°20' and 45° north latitude....
The purposes of this study were to determine whether the generally accepted procedure of campus elections as a method of choosing student government representatives (1) appears to encourage the candidacy of students who hold perceptions of the university environment similar to other students who do not choose to become candidates;...
Published September 1925. 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 August 1927. 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 major purpose of this study was to compare the occurrence
of "delinquent" and "non-delinquent" responses and their contingent
social reinforcements during informal cottage peer interaction at a
training school for adolescent delinquent girls. The following hypotheses were tested: (1) The occurrence of delinquent responses exceeds
the occurrence of non-delinquent...
The enclosed thesis presents an algorithm, programmed
in FORTRAN IV, which generates the radii for
the objective of an astronomical refracting telescope.
The results are analyzed by the Trigonometric Ray
Trace, and found to have tolerable amounts of spherical
aberration, chromatic aberration and coma.
Published May 1924. 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 nuclear level structure of ¹⁰¹Ru has been investigated
through the decay of 14.0 minute ¹⁰¹Tc produced by thermal neutron
irradiation of molybdenum targets. Gamma-ray energies and relative
intensities have been measured with the high resolution Ge(Li) spectrometers.
Based on the energy sum and the intensity balancing, a
consistent level...
The high quality feedstuffs which are used in poultry feeds
are costly and could be used directly for human food. There is less
competition for fibrous feedstuffs which are less digestible by
humans and other nonruminants.
Feedstuffs containing crude and refined dietary fiber were
examined for their effects on performance,...
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...
Published June 1930. 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 March 1927. 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 November 1923. 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 June 1939. 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 investigate the change in perception
of the university environment that occurred in students who
participated in two forms of university governance at Oregon State
University. Students who participated as members of joint student-faculty
committees (university committees) were compared with members
of all-student committees....
This study was designed to provide additional information to
determine: what difference variance in perceived attractiveness made
in perceived support of the feminist movement; what difference type
of garment worn made in perceived support of the feminist movement;
relationship between the judgments regarding perceived support of the
feminist movement and...
Purebred Yorkshire gilts with weights ranging from 70 to 105
kilograms were moved from a total-confinement rearing unit to a
total-confinement brood stock unit where approximately ten gilts
per pen were mixed to provide new penmates. Each gilt was thus
exposed to an unfamiliar environment and to foreign penmates along...
The objective of this study was to examine the published clinical
literature on the prophylactic therapy of angina pectoris with
the organic nitrates in order to determine the relationship between
experimental design and the conclusion of efficacy reported by the
investigator. A search for articles reporting original clinical investigations
on...
The purpose of this study was to investigate the relationship
between kindergarten experience and fine-muscle eye-hand coordination
abilities of first grade children.
The subjects were 181 first graders in the public schools of
Albany, Corvallis, and Salem, Oregon. The mean age of the sample
was 76.69 months with a standard...
The purpose of this study was to investigate whether or not
change has occurred in the scholastic background and academic ability
of students attending the junior high school summer sessions of
the Santa Monica Unified School District, California, between the
years 1956 and 1962.
Applying a Fisher and Yates Table...
Published March 1944. 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 November 1938. 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 central purposes of this study were to review the
historical sources of David Kolb's formulation of experiential
learning theory, and to determine the effect and
application of Kolb's theory and Learning Style Inventory
as reflected in the literature between 1971 and 1990.
It was found that Kolb based his...
Published May 1932. 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 October 1941. 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
An interdisciplinary study into the theory of design decisions has yielded a model for tracking design changes in hardware/software systems, but it still needs to be applied to a larger system to test its efficiency at tracking important data. This thesis creates an implementation of PLEXIL, a language in development...
Purpose of Study:
The purpose of this study was to find the specific qualifications
of a programmer in order that counselors and educators can better
advise students who are interested in electronic data processing for
career purposes. The information received from the data processing
companies will offer some criteria on...
Purpose of the Study:
The purposes of this investigation were threefold:
1. To determine the areas of commonality existing in known
juvenile delinquents in Umatilla and Union Counties of Oregon.
2. To devise a test that would aid in identifying delinquency
tendencies in preadolescent children on the basis of areas...
The purpose of the thesis is to design, construct,
program, and test an automatic integrated circuit test
system. The class of integrated circuits tested was restricted
to digital integrated circuits. The general concept
of testing a digital integrated circuit is based on
the truth table of that circuit. A combination...
Published 1957. 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 financial aspects of divorce are of great importance
to the growing numbers of men, women, and children
who live with the consequences of economic decisions
made at dissolution. The purpose of this study
was to provide data on the economic aspects of divorce
in Oregon after ten or more...
The purpose of this research was to determine whether feedback
from vocational interest inventories leads to the arousal of psychological
reactance. The data for the study was collected from 80 male
and female subjects who were first year students at Oregon State University
enrolled in Psychology 111, Personal Development.
The...
The purposes of this study were to identify the common elementary
education competencies necessary for a Master's degree curriculum in
Thailand as perceived by elementary education instructors in
universities and colleges, by elementary school teachers, and by
principals, supervisors, and administrators in Thailand; to determine
the common clusters of selected...