Index Catalog // ScholarsArchive@OSU

The design and construction of a small intermittent supersonic wind tunnel

Creator:: Bithell, Robin Allan
Resource Type:: Masters Thesis
Full Text:: ROBIN ALLAN BITHELL A TFE3IS submitted to OREGON STATE UNIVERSITY in oartial fulÍ'il].ment of

Student performance in lower division collegiate general biology programs in selected community colleges and four-year institutions in Oregon

Creator:: Tolman, Richard Robins
Abstract:: It was the intent of this investigation to compare the performance of community college students to four-year institutional students, both of whom were enrolled in a college general biology program (GS 101, 102, 103) during the 1967-68 academic year. During the week of May 27, 1968 measurements were taken of...
Resource Type:: Dissertation
Full Text:: to four-year institutional students, both of whom were enrolled in a college general biology program

Isolation, purification, serology and nature of rose mosaic virus

Creator:: Halliwell, R. S. (Robert S.)
Resource Type:: Dissertation
Full Text:: VIRUS by ROBERT S. HALLIWELL A THESIS submitted to OREGON STATE UNIVERSITY in partial fulfillment

The influence of temperature, moisture and method of application on the fungitoxicity of Mylone and Vapam

Creator:: Lambe, Robert C.
Resource Type:: Dissertation
Full Text:: APPLICATION ON THE FUNGITOXICITY OF MYLONE AND VA PAM by ROBERT CARL LAMBE A THESIS ubm1tted to

Properties of flash-evaporated gallium arsenide and gallium phosphide epitaxial films

Creator:: Matsuo, Samuel Seiji
Abstract:: The properties of flash- evaporated films of GaAs and GaP were studied in this investigation. Films were grown at various substrate temperatures, source temperatures, source-to-substrate distances and rates of deposition and were evaluated as to their structural, optical and electric properties. It was found that substrate temperature was the major...
Resource Type:: Dissertation
Full Text:: of 6x10 -3 ohm -cm to 0.01 ohm -cm material had very high resistivities. To lower film resistivity

Metal-to-gallium arsenide contact evaluation using a VHF bridge technique

Creator:: Armantrout, G. A.
Abstract:: In this paper, the theory of metal-semiconductor contacts was applied to metal contacts on gallium arsenide. A model was discussed which proposed that the contact resistance was due to a highly resistive region between the metal and the semiconductor. In order to evaluate this resistance, a technique using a VHF...
Resource Type:: Masters Thesis
Full Text:: polarity up to about ten volts. A sample of O. 1 ohm -cm N -type gallium arsenide was checked with one

A method for regulating alternating and direct voltages

Creator:: Moustakas, Evangelos A.
Resource Type:: Masters Thesis
Full Text:: alternating voltage can be varied with a 5-ohm rheostat before being rectified, with the use of a

A fast carry binary adder

Creator:: Bernhardt, Donn Eugene
Abstract:: This thesis describes the adder to be used with the Galaxy computer, which is to be constructed at Oregon State University. The need for faster, more reliable adders is discussed along with previous adder designs related to the Galaxy Fast Carry Adder. Both the logical design and circuit design of...
Resource Type:: Masters Thesis
Full Text:: M.S. degree in Elect. Engrg. Date thesis is presented $uS. t7, tat t"Z Title A FAST CARRY BINARY

OSU theses and dissertations : 1960-1965

Creator:: Brandt, Patricia A.
Abstract:: A departmental and author index of 1,388 Masters Theses and Doctoral Dissertations accepted by the Graduate School, Oregon State University.
Resource Type:: Book
Full Text:: 1960-1965 Compiled by PATRICIA BRANDT A Departmental and Author Index of 1,388 Masters Theses and

Thermal growth and chemical etching of silicon dioxide film

Creator:: Mai, Chao Chen
Abstract:: Some important factors that affect the dimensional control of oxide films on silicon were studied. Both N- and P-type silicon with resistivities in the range of 0.014 to 200 ohm-cm and a (111) surface orientation were employed in this experiment. The etching rates of silicon dioxide in hydrofluoric acid (111)...
Resource Type:: Masters Thesis
Full Text:: range of 0.014 to 200 ohm -cm and a (111) surface orientation were employed in this experiment. The

A spectrophone study of vibrational relaxation in methane

Creator:: Breshears, Wilbert Dale
Abstract:: The spectrophone method for the study of vibrational relaxation has been claimed to possess a distinct advantage over the more commonly used ultrasonic techniques in that it permits the relaxation of the various infrared-active vibrational modes in a polyatomic molecule to be studied separately. A discussion of the rate equations...
Resource Type:: Dissertation
Full Text:: . The microphone leads were connected to the 200 ohm primary tap of a Turner TR -2 matching

A liquid sulfur dioxide battery

Creator:: Schaer, Michael Jon
Abstract:: A liquid sulfur dioxide battery, such as K/KCl SbCl₅ (0.25 molar) + IBr₃ (15 %wt) + SO₂ (1)/carbon matrix is shown to have an open circuit voltage greater than 3.70 volts and an initial voltage of 3.15 volts, decreasing to 2.40 volts in 10 minutes at a current density of...
Resource Type:: Dissertation
Full Text:: A liquid sulfur dioxide battery AN ABSTRACT OF THE

A vector electrocardioscope system for clinical studies

Creator:: Petersen, Walter Anton
Abstract:: This paper discussed the human electrocardiogram, the instrumentation used to graphically record it, and the design and performance of a specialized system for vector cardiography: the Vector Electrocardioscope (VECS) System. The introduction reviews in considerable detail the pertinent known physiology of the heart, especially the electrophysiology responsible for the genesis...
Resource Type:: Masters Thesis
Full Text:: A vector electrocardioscope for clinical studies AN

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
Full Text:: W. R19 - Resistor, 4.7 K., 0.25 W. R20 - Potentiometer, 500 ohm Sl, S3 - Switches, SPST 1.0 A

An evaluation of educational films in the teaching of high school physics in Oregon

Creator:: Grassell, Edward Milton
Resource Type:: Dissertation
Full Text:: OREGON EDWARD MILTON GRASSELL A THESIS submitted to OREGON STATE COLLEGE in partial fulfillment

A low power zone-refining system for semiconductor materials

Creator:: Christensen, Gerald Albert
Abstract:: This paper presents an investigation of the power needs and impedance-matching techniques involved when heating small charges of relatively high-resistivity semiconductor materials. Topics of discussion also include a brief section on the theoretical basis for zone refining, relative merits of resistance and induction heating, travel mechanism requirements, and work coil...
Resource Type:: Masters Thesis
Full Text:: to be ,001 ohm-cm or 7.91 x I05 cps if we assume p to be ,01, Because it is necessary to have a

A six hundred megacycle electron paramagnetic resonance spectrometer

Creator:: Evenson, Kenneth M.
Resource Type:: Masters Thesis
Full Text:: since it ia always connected to a load of 90 x 103 ohma. A 30 x 103 ohm 10-turn potentiometer driven

Control circuitry for a telemetry system

Creator:: Hespelt, George Gordon
Abstract:: This thesis describes the control circuitry for a telemetry system developed to report hydrologic information from remote locations. The multiparameter, on-call system operates on a single frequency. Each remote station responds to a predetermined number of pulses from the master station. Data is transmitted by pulse- duration modulation. In the...
Resource Type:: Masters Thesis
Full Text:: Control Circuitry for a telemetry system AN ABSTRACT OF

Dynamic simulation model of transpiration process with stomatal control mechanism

Creator:: Woo, Kwang Bang
Abstract:: Because the life processes of the plant are related in a complex way to the balance between the water demand of the atmosphere and the water availability to the plant root, an exploration of the dynamic status of water in the plant is very important. The stomata constitute the main...
Resource Type:: Dissertation
Full Text:: ) Because the life processes of the plant are related in a complex way to the balance between the water

A circuit design to generate and maintain a constant magnetic flux

Creator:: Tuntawiroon, Chalermchai
Abstract:: A circuit designed to generate and maintain a constant magnetic flux is presented by using a sample-data control system, instead of a continuous control system. A Hall generator is used as the magnetic sensing element, and is operated with a pulse bias to allow a large output. The output of...
Resource Type:: Masters Thesis
Full Text:: system is terminated by a resistance of 300 K ohm, which 101(nStrobe Pulse 12V Idc = OmA I 20pf

Henry Augustus Rowland and his electromagnetic researches

Creator:: Miller, John D. (John David)
Abstract:: This analysis concerns the life and scientific work of Henry Augustus Rowland (1848-1901), organizer and the first chairman of the physics department at The Johns Hopkins University in 1876. Special materials used in this research included three pieces of Rowland's experimental apparatus which are extant in the Smithsonian Institution Division...
Resource Type:: Dissertation
Full Text:: practiced their science as well as their mathe- matics at a level equal to the best of their European

Analysis of the D. C. electric field for a pipeline in a three layered earth

Creator:: Brandenstein, Albert Edward
Abstract:: This paper develops an equation, from an heuristic set of assumptions, which describes the axial current, leakage current, resultant electric field, and resultant earth potential occurring when a pipeline buried within a resistive earth is subjected to a distributed, primary, axial, electrostatic field produced from a high-voltage, direct-current (HVDC) power...
Resource Type:: Dissertation
Full Text:: Analysis of the D. C. electric field for a pipeline in a

A flux-coupled current measuring system with a bandwidth from D.C. to fifty megahertz

Creator:: Peek, William Henderson
Abstract:: An instrument which measures current from D.C. to 50 megahertz by clipping a transformer core around a current carrying conductor is discussed. A Hall device, which is installed in the core cross-section, detects the flux in the core. This Hall device in conjunction with an amplifier is used to null...
Resource Type:: Masters Thesis
Full Text:: A Flux-Coupled Current Measuring System with a Bandwidth

A voltage regulated SCR inverter utilizing conduction angle control

Creator:: Skaar, Donald Laverne
Abstract:: This paper describes an inverter design which provides voltage regulation against variations in both the input voltage and load impedance. This design modifies the so-called parallel inverter, which consists of two silicon controlled rectifiers (SCRs) operating in a push-pull arrangement, to include a third regulating SCR. This regulating SCR is...
Resource Type:: Masters Thesis
Full Text:: A Voltage-Regulated SCR Inverter Utilizing Conduction

Design, construction, and evaluation of a mechanical queueing simulator

Creator:: Moose, Victor Corson
Abstract:: A machine capable of demonstrating and solving queueing problems is useful to any systems engineer. This paper describes a successful queueing simulator constructed from readily available materials. The machine is easy to operate, portable, and simple enough to be built in any well equipped machine shop. The educational values of...
Resource Type:: Masters Thesis
Full Text:: results and was alleviated by replacing the borrowed 3500 ohm relay with a new Sigma 5000 ohm relay

Assessment of a selected group of high school girls' experience in a child observation center

Creator:: Harrison, Roberta Lee
Abstract:: The purpose of this study was to assess changes in attitudes toward behavioral understanding, marital role expectations, and self concept in a selected group of high school girls. These subjects were enrolled in a one semester child development course which included observation and participation experiences with young children. The subjects...
Resource Type:: Masters Thesis
Full Text:: ) (Date) Title: ASSESSMENT OF A SELECTED GROUP OF HIGH SCHOOL GIRLS' EXPERIENCE IN A CHILD OBSERVATION

Low level D-C detection using a photoconductive modulator

Creator:: Teien, Aage
Resource Type:: Masters Thesis
Full Text:: , has a 10W input resistance, in the order of 1 ohm. 20 microvolts terminated in 1. ohm gives an input

Transient characteristics of a tuned ground-fault neutralizer system

Creator:: Chow, Chung Wei
Resource Type:: Masters Thesis
Full Text:: Transient Characteristics of a Tuned Ground-Fault

Habitat improvement to enhance anadromous fish production [Tex Creek]

Creator:: West, Duane C., Reeher, James A., Hewkin, James A., and Oregon. State Game Commission. Fishery Division
Abstract:: The project objectives were to determine the possibility of raising the subterranean water in adequate amounts by installation of an underground weir; to determine what type of structure would be most feasible; and to formulate a biological evaluation program if the first two objectives were accomplished. Tex Creek, tributary to...
Resource Type:: Technical Report
Full Text:: , James A. Reeher, James A. Hewkin ABSTRACT The project objectives were to determine the possibility of

A high speed, transistorized, voltage analog-to-digital converter

Creator:: Heimbigner, Gary Lee
Resource Type:: Masters Thesis
Full Text:: A high speed, transistorized, voltage analog-to-digital

A controlled negative-resistance for realization of certain network functions

Creator:: Wagner, James Daniel
Abstract:: A circuit which functions as a controlled negative-resistance is described and analyzed; the circuit contains two transistors, a breakdown diode, and five resistors connected in a stable feedback configuration. From the analysis a set of design equations is derived. An experimental circuit is described and a comparison between measured performance...
Resource Type:: Masters Thesis
Full Text:: parallel with a -364/59 ohm resistor. Step 5: The procedure outlined in steps 3 and 4 is repeated for

Sprinkler irrigation in the Pacific Northwest : a troubleshooter's guide

Creator:: Oregon State University. Extension Service, Washington State University. Extension Service, University of Idaho. Extension Service, Shearer, Marvin N., Hagood, Mel, Larsen, Dorrell, and Wolfe, John
Abstract:: Published March 1965. 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
Resource Type:: Technical Report
Full Text:: -well turbines a week before starting. Electric motors. Check resistance of insulation (meg-ohm

Analysis of a tunnel-diode delay-line reflex memory cell

Creator:: Johnson, Ronald Lee
Abstract:: The operation of a tunnel-diode delay-line memory cell is examined in some detail, and a digital computer program which approximately simulates the operation of this memory cell is developed. The data from the computer simulation is compared with the available experimental data and found to agree very closely for clock...
Resource Type:: Masters Thesis
Full Text:: a block diagram of the experimental system. The 50 -ohm output impedance of the clock oscillator

Measurement of radiant energy over a mixed water body

Creator:: Maughan, Paul M.
Resource Type:: Dissertation
Full Text:: RADIANT ENERGY OVER A MIXED WATER BODY Abstract approved Major professor The results of measurement

Interaction of the discharge mechanisms in A-C corona

Creator:: Pearson, Gary Arthur
Resource Type:: Masters Thesis
Full Text:: Interaction Of The Discharge Mechanisms In A-C Corona

Thermally activated electrochemical cells using a stabilized zirconia electrolyte

Creator:: Clark, Dwight Pocock
Abstract:: The performance of solid metallic anodes on a solid electrolyte was determined experimentally and data on cell current, cell voltage, open-circuit cell potential, and cell energy are presented. Fifteen-mole percent calcia-stabilized zirconia was used as the electrolyte, a platinum-oxygen electrode was used as the cathode, and 1000° C was the...
Resource Type:: Dissertation
Full Text:: Title THERMALLY ACTIVATED ELECTROCHEMICAL CELLS USING A STABILTZED ZIRCONIA ELECTROLYTE Abstract

The effects of clipping on the vigor of big game browse plants and related studies in the Arizona chaparrel

Creator:: Neff, Don J.
Abstract:: A five-year clipping experiment was conducted to determine maximum sustained utilization levels for three big game browse plant species in central Arizona. The three species were mountain-mahogany (Cercocarpus breviflorus) and desert ceanothus (Ceanothus Greggii) in the chaparral type, and cliff-rose (Cowania mexicana var. Stensburiana) in the pinyon-juniper type. Experimental treatments...
Resource Type:: Dissertation
Full Text:: Abstract approved ate for Professor A five -year clipping experiment was conducted to determine maximum

A report on geomagnetic electrokinetograph observations off the Oregon coast

Creator:: Curtin, Thomas B., Still, Robert E., and Neshyba, Steve
Abstract:: A summary of the first. year's results in a program of current measuring techniques employing the electromagnetic method is presented. The data was taken on hydrographic survey cruises ranging to 165 miles offshore from Oregon. The measurements in this first phase consist solely of those taken by the method of...
Resource Type:: Technical Report
Full Text:: UNIVERSITY AL SEA R. SfUSL AW R UMPQUA R. A REPORT ON GEOMAGNETIC ELECTROKINETOGRAPH OBSERVATIONS OFF

Electrode potentials of nickel and cobalt in a fused electrolyte

Creator:: Hamby, Drannan Carson, 1933-
Resource Type:: Masters Thesis
Full Text:: chlorine electrodes, could be measured. A 10, 000 ohm resistor to prevent polarization was always in

A variable frequency spectrophone study of carbon monoxide

Creator:: Woodmansee, Wayne Earl
Resource Type:: Dissertation
Full Text:: 1250 ohms were connected to the motor while the amplifier was connected to a 16 ohm secondary tap

Heat transfer in a fluidized bed tubular heat exchanger

Creator:: Genetti, William Ernest
Resource Type:: Dissertation
Full Text:: Heat transfer in a fluidized bed tubular heat exchanger

A distributional study of the birds of Montana

Creator:: Davis, Clifford Vernon, 1914-
Resource Type:: Dissertation
Full Text:: A Distributional Study of the Birds of Montana A

A rapid method for determinations of nitrogen oxides in engine exhaust gas

Creator:: Johnson, Douglas Edward
Resource Type:: Masters Thesis
Full Text:: 2,000 4e ohm resist)r as a3a8ured with a 3eckian pH meter. Figure 4 also eiow the oxygen bottle and

Field emission current from silicon as a function of applied potential

Creator:: Perry, Richard Lee
Resource Type:: Dissertation
Full Text:: Field Emission Current From Silicon As A Function of

The theory and application of galvanovoltammetry. Design, construction and evaluation of a continuous liquid stream analyzer employing a galvanovoltammetric detector and low cost automatic digital concentration readout

Creator:: Kendall, Donald Ray
Abstract:: The theory and ways of applying a new electroanalytical detectior method were developed. The method, called galvanovoltammetry, consists of the measurement of current from the bipolar electrode of a three electrode cell which consists of a working electrode and a counter electrode, between which a constant current is applied, and...
Resource Type:: Dissertation
Full Text:: , by comparing the /R drop across it to the drop across a standard General Radio Co. 100 ± .05% ohm

An alternating current, resistance analog network simulator for A-C power system stability studies

Creator:: Barton, Donald Roger
Resource Type:: Masters Thesis
Full Text:: SIMULATOR FOR A-C POWER SYSTE24 STABflJTI'Y STUDI by DONALD ROGER BARTON A THESIS submitted to

Superconductive A.C. losses as a function of an applied steady magnetic field in type II superconductors

Creator:: Siddall, Mark Bernard
Abstract:: Measurements were made of the energy loss in a superconducting wire coil subjected to an axial magnetic field consisting of a ripple field superimposed on a steady field. The loss was measured calorimetrically using a sonic thermometer consisting of a resonance tube filled with helium gas in thermal contact with...
Resource Type:: Masters Thesis
Full Text:: SUPER CONDUCTM A. C. LOSSES AS A FUNCTION OF AN APPLIED STEADY MAGNETIC F'IELD IN TYPE II SUPER

A lock-in amplifier for detecting weak signals buried in noise

Creator:: Clinton, Ted Warner
Abstract:: It is often necessary in communication systems to detect very small signals that are buried in noise. One device used to accomplish this is a lock-in amplifier. Initially the theory of operation is considered. Then the circuit design of a low cost lock-in amplifier is given. The amplifier, employing linear...
Resource Type:: Masters Thesis
Full Text:: by factor of ten. The bootstrapping thus causes the 25K ohm resistor to appear larger by a factor

A transistorized sonic generator and detector for finding Young's modulus of wooden beams

Creator:: Jaenicke, Richard Alex
Abstract:: Young's modulus, often called the modulus of elasticity, gives a measure of the stiffness of a material to an imposed load. The modulus of a wooden beam is most often obtained by destructive tests which destroy the specimen. If a practical method can be found to measure Young's modulus non-destructively,...
Resource Type:: Masters Thesis
Full Text:: 5,000 ohm load with a resultant frequency rise of 1.5 percent. (4) When the potentiometer in series

The development of a British Columbia achievement test for eighth grade industrial arts

Creator:: Cook, Gregory Crawford
Abstract:: The purpose of this study was to develop an achievement test suitable for eighth grade industrial arts, in the Province of British Columbia. The test was designed to conform to the limitations established in the curriculum bulletin, Industrial Arts 8, authorized in 1962. Norms were to be developed from the...
Resource Type:: Masters Thesis
Full Text:: The development of a British Columbia achievment test for

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