Serum samples were collected between 24 and 48 h of age
from 408 Hereford calves of a selection experiment and from 200
Angus, Hereford and Red Poll calves of another experimental
population (Germ Plasm Utilization project). Concentrations of
Immunoglobulin G₁ (IgG₁) were determined by single radial
immunodiffusion. Breed or selection...
Thirty-seven Yorkshire sows were bred to one of six boars; 34 of the sows were verified pregnant at 42 d of gestation. These sows were innoculated with ovine serum albumin (OSA) in Freunds' complete adjuvant at 65 d and later given a second injection in Freunds.' incomplete adjuvant 93 d....
As ocean ecosystems continue to deteriorate in the face of human induced pressures, marine management professionals are increasingly being urged to predict the impacts of various activities on ocean ecosystems. Many ecosystem interactions are still not adequately understood, so managers often turn to scientists to provide data and analysis on...
Various aspects of the biology of the woolly pear aphid
Eriosoma pyricola were studied in order to further understand its annual
cycle. It was already known that. E. pyricola produces alate sexuparae
in response to the onset of dormancy in its secondary host, a pear.
This study of E. pyricola...
Concern over the low enrollment in homemaking classes prompted this study of the homemaking program in secondary schools in Bend, Oregon. Two questionnaires were constructed to obtain the opinions and beliefs of ninth, tenth, and eleventh-grade girls in Bend, Oregon, and their parents about the following: 1. What factors influence...
Polyoxoniobates (PONbs) are attracting great attention in recent years due to its novelty as well as a variety of geometrical presentations in different pH conditions. In this paper we are reporting the reaction of tetramethyl-decaniobate ([(CH3)4N]6[Nb10O28]) with alkaline carbonates to observe the periodic trend of alkaline ions interacting with the...
This study was designed to answer six basic questions
in order to find some selected beliefs and practices of
home economics teachers concerning enrollment in home economics.
These questions were:
1. What are the beliefs of home economics teachers
concerning:
a. the students who can profit from home
economics?
b....
In two twelfth grade Homemaking classes a home furnishings
unit was taught to develop creativity in the students in the classes in
order to:
1. Attempt to give students creative experiences in the home
furnishings unit which would in turn motivate them to be creative.
2. Develop learning experiences in...
The major purpose of this study was to develop a guide to teach
family clothing at the twelfth grade level stressing decision-making in
family concerns.
An interview-questionnaire was administered to Canby Union
High School senior girls to discover information about their families,
to find what they believed was important to...
Purposes and Method of Study
The purpose of this study was to find out if tenth grade girls
were aware of the probability that a majority of them would work at
some time during their lives, and if they planned to prepare for this
possibility. A questionnaire was designed and...
This study was to develop a home economics curriculum at
second cycle (senior high school) level for Phutho Polytechnic School.
In order to do this, it was necessary to answer the following
questions:
1. What are the purposes of education today?
2. What is teaching?
3. What is learning?
4....
The purposes of this study are:
1. To determine guidelines for producing 8mm continuous
loop films through the production of
loop films for home economics classes.
2, To show how the 8mm loop film as a visual technique
is suited to home economics, especially
to individualize instruction.
3. To compile...
The major purpose of this study is to develop guidelines for
making and using transparencies for the improvement of teaching
home economics on the secondary level. Another is to show how to
use transparencies creatively in teaching. This study will try to
help fill a gap in the knowledge of...
The major purpose of this study was to develop a resource
unit in family life education for boys. To plan this unit, which was
divided into two parts, personal and family relations and child development,
the writer
1. Surveyed the homemaking teachers in Oregon to discover
who taught boys homemaking...
Concern over the apparent lack of education for personal
and family living for high school students prompted
this study to discover the beliefs of British Columbia Home
Economics teachers regarding classes for Grade 12 students.
A questionnaire was constructed to obtain the opinions
and beliefs of Home Economics teachers concerning...
The purpose of this study was designed to answer
1. What are the beliefs and attitudes that Oregon home economics
teachers hold about various new trends?
2. Are Oregon home economics teachers willing to support the
various new trends?
3. Are Oregon home economics teachers willing to further prepare
themselves...
Several potential sorbent materials containing iron oxides were prepared and evaluated for potential to remove divalent metals from waste waters. These included a ferrihydrite-coated sand, maghemite incorporated in Dowex[Trademark] ion exchange resin, gothite and two thermally activated ferrihydrites. Attempts to prepare sorbents from steel shot by coating with ferrihydrite or...
Conventional wastewater treatment facilities using activated sludge, secondary clarifiers, and chlorine disinfection comprise a large portion of urban wastewater treatment practices in the United States. While highly adept at removing chemical, physical, and numerous biological contaminants, these treatment methods are ineffective at removing contaminants of emerging concern, such as antibiotics...
Washed cells of Vibrio marinus MP-1 grown at 15 C (organism's
optimum growth temperature) were employed in this study. These
cells were exposed to heat at and above their maximal growth temperature
(20 C) for one hour and tested manometrically at 15 C for their
ability to take up oxygen....
The amount of energy we use and the ways that we get that energy sit on the edge of dramatic change as the carbon budget which can keep the planet under 1.5C of global average temperature increase gets smaller (Allen, 2018). In response, we continue to research and develop renewable...