Approaches to linear, time-varying systems analysis

The problem of analyzing the general linear, time-varying system is investigated. The approach starts with four different system representations: the differential equation, transform representations, signal flow graphs, or block diagrams. Given...

1969-04-04 (iso8601)

A simulation study of dynamic postural stability in the dog

An analog simulation of the postural control system (PCS) of a dog is used to illustrate how modern systems simulation can be applied to a study of complex life systems. Even though many bold assumptions were required to adequately simplify the...

1969-05-01 (iso8601)

A MOSFET integrated circuit shift register

This paper is concerned with the design of a 21-bit metal-oxide-semiconductor field-effect transistor (MOSFET) integrated circuit static shift register. This circuit consists of three separate 1, 4, and 16-bit static shift registers constructed on...

1969-01-24 (iso8601)

Consolidation characteristics of sand-clay mixtures

Combinations of cohesive and cohesionless soils are often encountered when evaluating the engineering properties of soils. The stress-volume characteristics of the mixed soil are found to vary according to the proportion of each component. If the...

1968-05-05 (iso8601)

In-situ characterization of femtosecond laser-induced crystallization in borosilicate...

Coherent phonon dynamics in condensed-phase medium are responsible for important material properties including thermal and electrical conductivities. We report a structural dynamics technique, time-resolved surface third-harmonic generation...

2013-11-11 (iso8601)

Electron Capture, Collision-Induced, and Electron Capture-Collision Induced...

Recently, we demonstrated that a radio-frequency-free electromagnetostatic (RF-free EMS) cell could be retrofitted into a triple quad mass spectrometer to allow electron-capture dissociation (ECD) without the aid of cooling gas or phase-specific...

2011-04 (iso8601)

Shell model of BaTiO₃ derived from ab-initio total energy calculations

A shell model for ferroelectric perovskites fitted to results of first-principles density functional theory (DFT) calculations is strongly affected by approximations made in the exchange-correlation functional within DFT, and in general not as...

2013-11-07 (iso8601)

Evaluating the agreement between measurements and models of net ecosystem exchange at...

Earth system processes exhibit complex patterns across time, as do the models that seek to replicate these processes. Model output may or may not be significantly related to observations at different times and on different frequencies....

2013 (iso8601)

Enterococcus and Escherichia coli fecal source apportionment with microbial source...

Fecal pollution is measured in surface waters using culture-based measurements of enterococci and Escherichia coli bacteria. Source apportionment of these two fecal indicator bacteria is an urgent need for prioritizing remediation efforts and...

2013-11-15 (iso8601)

The use of a hot film anemometer to measure velocities below five cm/sec in mercury

A constant temperature anemometer, utilizing quartz coated hot film probes, was used to measure velocities from .1 to 5 cm/sec. The effects on anemometer performance due to time, reimmersion, and metallic sensor coatings were examinated by...

1972-04-27 (iso8601)

Prescribed fire effects on resource selection by cattle in mesic sagebrush steppe. Part...

Prescribed fire is commonly applied world-wide as a tool for enhancing habitats and altering resource-selection patterns of grazing animals. A scientific basis for this practice has been established in some ecosystems but its efficacy has not been...

2014-01 (iso8601)

Behavioral patterns and their temporal organization in breeding American Avocets

The organization of behavioral activities in time is important to a bird's survival and reproduction. To be successful, either proximately or ultimately, a bird must apportion its behavior in time so that it may obtain sufficient energy for...

1971-05-06 (iso8601)

The reproductive biology of the mountain cottontail rabbit in Oregon

The reproductive characteristics of the mountain cottontail rabbit, Sylvilagus nuttalli (Bachman), were investigated from 269 specimens collected in central Oregon between 28 May 1968 and 28 August 1969. Male rabbits were in breeding condition...

1970-04-07 (iso8601)

Genome of Drosophila suzukii, the Spotted Wing Drosophila

Drosophila suzukii Matsumura (spotted wing drosophila) has recently become a serious pest of a wide variety of fruit crops in the United States as well as in Europe, leading to substantial yearly crop losses. To enable basic and applied research...

2013-12-01 (iso8601)

Cardiac calcification and lipid changes in the cotton rat (Sigmodon hispidus texianus)

The purpose of this thesis was (1) to determine a dietary regimen which would produce the greatest incidence of cardiac calcification in the cotton rat and (2) to determine the fatty acid composition of heart tissue. Maximum incidence of cardiac...

1970-05-04 (iso8601)

Septic-tank drainfield performance in five Willamette Valley soils

Permeability, effects of age, and water table fluctuations were studied for nine drainfields in five soil types ranging from well to poorly drained. Three sites were in Willamette, one in Woodburn, two in Amity, two in Concord, and one in Dayton...

1969-06-27 (iso8601)

The design, construction and calibration of an instrumented surface for convective heat...

The purpose of this thesis work has been the design, construction and calibration of an instrumented surface for convective heat transfer studies. The surface is in the form of a flat plate roughly 24 inches wide by 48 inches long. It is made up...

1968-08-15 (iso8601)

Biochemical evaluation of silage corn varieties

Chemical and biological evaluations were conducted to provide chemical composition and digestibility information, in addition to yield data, for silage corn varieties produced on poorly drained Dayton soil series. Each variety was subjected to a...

1968-08-26 (iso8601)

Problems of families with a diet-treated phenylketonuric child

The purpose of this study was to determine the possible problem areas in families with a diet-treated phenylketonuric child. Phenylketonuria is an inborn error of metabolism, which in the past caused mental retardation as well as behavioral...

1968-08-08 (iso8601)

Teachers' beliefs and willingness to be involved with certain aspects of Oregon home...

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...

1969-05-06 (iso8601)

First order differential corrections in the eigenvalue problem

1969-04-24 (iso8601)

Conditional probability along a path

This thesis gives a procedure for generalizing the concept of conditional probability applied to the case of the bivariate probability density function. The conditional probability density function is desired where the two variables vary according...

1968-07-25 (iso8601)

A method for calculation of group-averaged resonance parameters

A method of treating resonance captures for few energy group calculations is developed using the Narrow Resonance-Infinite Absorber approximation to the resonance integral. The application of this method is not restricted to this approximation,...

1968-08-29 (iso8601)

The algal symbionts of the solitary green sea anemone Anthopleura xanthogrammica

The anemone Anthopleura xanthogrammica varies in color from bright green to muddy brown. However, individuals found in caves are white. White specimens of Anthopleura xanthogrammica collected from dark caves along the Oregon coast were subjected...

1968-11-18 (iso8601)

Barro Colorado Island’s phylogenetic assemblage structure across fine spatial scales...

Phylogenetic analyses of assemblage membership provide insight into how ecological communities are structured. However, despite the scale-dependency of many ecological processes, little is known about how assemblage and source pool size...

2013-12 (iso8601)