The development of the energy crisis has caused the
use of depletable energy resources to be monitored quite
closely in the United States. Within the agricultural
sector, irrigation is a large user of energy, with the
potential of using many times more energy than all other
agricultural field operations. A...
The objectives of this study were to determine the diets of
cattle at risk to DABPE on stress and inciting pastures and to determine
if segregated feeding groups of cattle displayed differential
susceptibility to DABPE.
Stress pastures were classified and mapped by plant communities
and segregated feeding group areas. Cattle...
The effect of washing machine separated rockfish flesh on
composition, quality and desirability was investigated.
Washing machine separated rockfish flesh resulted in a
36.88% loss of solids. The greatest reductions were found in the ash
(80.32%) and lipid (65.13%) levels in the washed flesh. Most of the
sarcoplasmic proteins were...
A study of population trends, nest site selection, and food habits of ospreys (Pandion haliaetus carolinensis) nesting on the Bend District of the Deschutes National Forest, Oregon, was conducted
during 1970 and 1971. Intensive observations were made of 95 nesting attempts of ospreys. Energy demands of the population were estimated...
The familiar equilibrium between 1, 7- octadiene and cyclooctene
at temperatures exceeding 3000, indicates that an ene-retroene
process could be used as a six atom ring expansion method. To test
this possibility we prepared both cis and trans isomers of 1, 2- diallyl-
1, 2 -bis (trimethylsiloxy) cyclohexane and pyrolyzed...
Power spectral analysis using the maximum entropy method is
applied to the estimation of depth to the source of magnetic anomalies.
The method assumes that the source is two-dimensional and has a
magnetization with random intensity. The predictive ability of the
maximum entropy technique permits analysis of short segments of...
The relationship between the decomposition of trimethylamine
oxide in Pacific shrimp and shrimp meat quality was investigated to
evaluate the use of the trimethylamine oxide system as a quality
control indice.
Changes in the levels of trimethylamine oxide and its decomposition
products in whole shrimp stored on ice and in...
The life history of the strawberry root weevil, Otiorhynchus ovatus (L.), on peppermint was studied in the Willamette Valley of Oregon to provide the information necessary to develop effective control measures. Adult weevils emerged from the soil from late May until mid- June and were active in the field until...
Seven commercially prepared brands of lactic streptococcal
phage inhibitory media were obtained from their manufacturers.
Comparisons between the different media were made with respect
to buffering capacity, ability to support lactic streptococcal growth,
ability to suppress bacteriophage replication, and ability to support
Leuconostoc growth. Nonfat milk was used during experiments...
In plume theory it is generally assumed that a plume issuing from a round source maintains a round cross section throughout. The consequences of this hypothesis are significant; this fact should motivate research into its validity. This paper investigates conditions and analyzes mechanisms that cause fluid plumes to undergo systematic...
This investigation was undertaken to obtain information on the
dietary intake of Oregon preschool children and to determine the
effect of certain socio-environmental variables on the nutrient intake
of these children. Three hundred boys and girls who were attending
Well Child or Multiphasic Screening Clinics in 11 counties participated
in...
Extensive new trackline coverage of the Chile Trench between 23°S and 34°S, including more than 60 bathymetric and seismic reflection profiles across the trench axis, allows a much more detailed study of the tectonics and sedimentation of this feature than previously possible. Sediment distribution along the axis shows a remarkable...
As the demands for forest products increase, additional timber harvesting operations can be expected on steep mountainous terrain, The resulting disruption of natural slope stability by man's disturbances (roadbuilding, logging and vegetative manipulation, etc.) may also accelerate mass movement processes in this terrain. Swanston (1969) defines mass movement as ".,...
The thesis area is located in the Blue Mountains of northeast Oregon. Pre-Tertiary and Cenozoic rocks, divided on the basis of age and tectonic history, are exposed along the eroded crest of the Blue Mountain anticline. Permian (?) metasedimentary rocks probably correlate with the Elkhorn Ridge Argillite, and consist mainly...
The use of terbacil for weed control was adapted by a high percentage
of Oregon peppermint growers soon after its introduction in
1967. To help clarify some of the implications of terbacil usage,
three studies were undertaken to collect information concerning (a)
the movement and build-up of terbacil in various...
The interrelationships between physical measurements, dietary
intake of specific nutrients, and plasma lipids were examined in 19
healthy elderly subjects. The mean blood pressures, relative weights,
and skinfold thicknesses were within normal ranges, although women
tended to be more overweight. Systolic pressure and relative weight
were associated with increased body...
The objective of this study was to determine the internal consistency
rating for the Film Test for Understanding Behavior (FUB)
and the three subscales within the test. An estimation formula which
contrasts sums of squares generated from an analysis of variance
was used to compute the internal consistency reliability coefficients...