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Masters Theses

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Articles 1501 - 1530 of 2077

Full-Text Articles in Physical Sciences and Mathematics

The Kinetics Of The Metal Exchange Reaction Between Biseminodiacetatonickelate (Ii) And Copper (Ii), Stephen H. Erickson Dec 1973

The Kinetics Of The Metal Exchange Reaction Between Biseminodiacetatonickelate (Ii) And Copper (Ii), Stephen H. Erickson

Masters Theses

No abstract provided.


An Analytic Study Of A System Of Nonlinear Ordinary Differential Equations At An Irregular Type Singularity, James M. Lamb Dec 1973

An Analytic Study Of A System Of Nonlinear Ordinary Differential Equations At An Irregular Type Singularity, James M. Lamb

Masters Theses

No abstract provided.


Field Radiation Of Spin I Massless Particle, Ralph Alvin Mudgett Dec 1973

Field Radiation Of Spin I Massless Particle, Ralph Alvin Mudgett

Masters Theses

No abstract provided.


Kinetics Of The Metal Exchange Reaction Between N, N'-Bis (2-Picolyl) Ethylenediaminenickel (Ii) And Copper (Ii), Craig Lee Barsuhn Dec 1973

Kinetics Of The Metal Exchange Reaction Between N, N'-Bis (2-Picolyl) Ethylenediaminenickel (Ii) And Copper (Ii), Craig Lee Barsuhn

Masters Theses

No abstract provided.


Rate Of Initiation Of Pyrolysis Of Pentachloroethane Using The Toluene Carrier Gas Technique, Teodomiro Cuzcano Dec 1973

Rate Of Initiation Of Pyrolysis Of Pentachloroethane Using The Toluene Carrier Gas Technique, Teodomiro Cuzcano

Masters Theses

No abstract provided.


The Effect Of The Degree Of Cationic Charge On The Binding Strength Of A Cationic Starch-Kaolin Clay Coating, Hugh K. Myers Dec 1973

The Effect Of The Degree Of Cationic Charge On The Binding Strength Of A Cationic Starch-Kaolin Clay Coating, Hugh K. Myers

Masters Theses

No abstract provided.


A Direct Measurement Of The Ratio Of The Reaction Cross Sections For Two-Photon And Three-Photon Positron Annihilation In Aluminum And Silver, Robert Maurice Heavenrich Dec 1973

A Direct Measurement Of The Ratio Of The Reaction Cross Sections For Two-Photon And Three-Photon Positron Annihilation In Aluminum And Silver, Robert Maurice Heavenrich

Masters Theses

The probability of annihilation of a positron with its antiparticle, an electron, is spin dependent. Since both particles have spin component one -half, there are two possible relative orientations of their spins they can either be aligned (parallel) in the 3S, triplet, state with total spin component │Sz│= ½ n - ½ n = 1 n or they can be opposite (antiparallel) in the 1S; singlet, state with│Sz│= ½ n - ½ n = 0. To conserve energy and angular momentum, annihilation from the triplet state must result in the creation of an odd …


The Synthesis And Reactions Of Some Α, Β-Unsaturated Diazoketones, Virendra K. Sood Dec 1973

The Synthesis And Reactions Of Some Α, Β-Unsaturated Diazoketones, Virendra K. Sood

Masters Theses

No abstract provided.


Petrogenetic And Trend Surface Analysis Of Hell Canyon Pluton, Montana, William M. Johanns Dec 1973

Petrogenetic And Trend Surface Analysis Of Hell Canyon Pluton, Montana, William M. Johanns

Masters Theses

I. Introduction

The purpose of this study is to ascertain the petrogensis of the Hell Canyon pluton through the use of standard petrographic techniques and three dimensional mineralogical variability trends. It is intended that this study will provide additional information to the ongoing investigations of the Boulder batholith sequence, of which this intrusion is a part.

The Boulder batholith is located in the Southeastern part of the Northern Rocky Mountains physiographic province in southwestern Montana. This province is typified by numerous rugged mountain ranges of which there are two distinct types. The Idahotype( Rocky Mountain Association of Geologists, 1972) mountains, …


Spectroscopic Determinations Using Resonance Spin-Flip In 12C (P,P1) 12C And 50Ti (P,P1) 50Ti, Lee Robert Baumann Dec 1973

Spectroscopic Determinations Using Resonance Spin-Flip In 12C (P,P1) 12C And 50Ti (P,P1) 50Ti, Lee Robert Baumann

Masters Theses

No abstract provided.


Angular Distributions Of Protons From The 28Si(∝,P)31P Reaction, Susan Mary Allen Aug 1973

Angular Distributions Of Protons From The 28Si(∝,P)31P Reaction, Susan Mary Allen

Masters Theses

No abstract provided.


A Study Of Shore Erosion At Seventeen Sites Along Eastern Lake Michigan, Walter George Fingleton Aug 1973

A Study Of Shore Erosion At Seventeen Sites Along Eastern Lake Michigan, Walter George Fingleton

Masters Theses

No abstract provided.


Simultaneous Knudsen- And Torsion-Effusion Measurements Of The Vapor Pressures Of Tetraphenyl Silane And Hexaphenyl Disilane, Luz Marina Calle Aug 1973

Simultaneous Knudsen- And Torsion-Effusion Measurements Of The Vapor Pressures Of Tetraphenyl Silane And Hexaphenyl Disilane, Luz Marina Calle

Masters Theses

No abstract provided.


Properties Of 1‾ Excited States Of Complex Nuclei, Carlos Ignacio Calle Aug 1973

Properties Of 1‾ Excited States Of Complex Nuclei, Carlos Ignacio Calle

Masters Theses

No abstract provided.


Geology Of Atwater Well Field Kalamazoo County, Michigan, John E. Malanchak Aug 1973

Geology Of Atwater Well Field Kalamazoo County, Michigan, John E. Malanchak

Masters Theses

No abstract provided.


A Study Of Visual Pollution From Overhead Wires And Associated Structures, Robert J. Schodorf Aug 1973

A Study Of Visual Pollution From Overhead Wires And Associated Structures, Robert J. Schodorf

Masters Theses

No abstract provided.


Physical Survey Of The Lake Michigan College-Ross Property, Van Buren County, Michigan As An Environmental Resource, Raymond C. Levesque Jul 1973

Physical Survey Of The Lake Michigan College-Ross Property, Van Buren County, Michigan As An Environmental Resource, Raymond C. Levesque

Masters Theses

No abstract provided.


Loss Probabilities In Queueing Processes, R. P. Singh Apr 1973

Loss Probabilities In Queueing Processes, R. P. Singh

Masters Theses

No abstract provided.


Effects Of Nuclear Deformation On Neutron Total Cross Sections, Dennis Gilbert Blondin Apr 1973

Effects Of Nuclear Deformation On Neutron Total Cross Sections, Dennis Gilbert Blondin

Masters Theses

No abstract provided.


Implications Of Photogeologic Linears In The South Long Lake Area, Alpena And Presque Isle Counties, Michigan, Richard E. Kimmel Apr 1973

Implications Of Photogeologic Linears In The South Long Lake Area, Alpena And Presque Isle Counties, Michigan, Richard E. Kimmel

Masters Theses

There are numerous linear features in Alpena and Presque Isle Counties, Michigan, which are generally visible on aerial photographs. These photolinears trend in two general directions, northeast-southwest and northwest-southeast. These two sets are perpendicular to each other, and represent vector means of two fracture sets.

The development of the photolinears began in Early Devonian. Throughout its history, ground water flowed along underground channels connecting fracture intersections. This underground drainage network is responsible for many of the photolinears. Some of the photolinears can be attributed tb Early Devonian ground water activity and subsequent collapse of the Salina Salt basin, and some …


Adsorption Of Water On Gold, Jean-Marc Louis Deschanel Jan 1973

Adsorption Of Water On Gold, Jean-Marc Louis Deschanel

Masters Theses

"Water adsorption isotherms on gold films were measured with a quartz crystal microbalance. Two gold films were studied: a "dirty" gold film contaminated by approximately one monolayer of carbon, and a "clean" gold film prepared by evaporating gold from a heated tungsten wire under high vacuum.

Water was found to chemisorb on both films according to a Freundlich type adsorption isotherm. Isosteric heats of adsorption were computed from the isotherm data. On the "clean" gold surface the isosteric heat showed a logarithmic decrease with increasing water coverage. The highest measured value for the heat of adsorption was 35 kcal mole …


Heavy Metal Analysis Of Stream Sediments In The James River Basin, Missouri, William J. Head Jan 1973

Heavy Metal Analysis Of Stream Sediments In The James River Basin, Missouri, William J. Head

Masters Theses

"A reconnaissance survey of stream sediments using the minus 80 mesh sieve fraction was made at 53 sites throughout the James River basin, Missouri. Sample sites within the 1460 square miles of the basin were chosen at tributary confluences, suspected contamination sources, and known areas of mineralization. Replicates and stream profiles were taken to check for analytical variation and reproducibility of results. Sediment samples were prepared by a hot nitric acid leach method. The sediments were analyzed using an atomic absorption unit to determine Cu, Pb, Zn, and Cd trace metal contents.

Values of selected streams within the basin were …


The Design And Calibration Of A Vibrating Sample Magnetometer, Donald Dwight Hoffman Jan 1973

The Design And Calibration Of A Vibrating Sample Magnetometer, Donald Dwight Hoffman

Masters Theses

"The design and calibration of a vibrating sample magnetometer is described. The sample motion was in the direction of the external magnetic field which was produced by a superconducting solenoid. The maximum external magnetic field was 70 kilogauss. Sample temperature could be varied from 77°K to 1000°K with a vacuum jacketed furnace. The maximum temperature was obtained with approximately 27 watts. The instrument was calibrated to 1% with a spherical nickel sample"--Abstract, page ii.


Heavy Metals In The Main Streams Of The James River Basin, Missouri, Richard Jerome Lance Jan 1973

Heavy Metals In The Main Streams Of The James River Basin, Missouri, Richard Jerome Lance

Masters Theses

"Demands on water resources in the James River basin have greatly increased. Industrial plants and lead-zinc prospects in the basin are potential sources of heavy metal additions to the waters of the area. The study determines the heavy metal content and distribution in the streams of the basin.

Approximately 50 water samples were collected each season and analyzed by atomic absorption techniques. Field determinations of temperature, specific conductance, pH, and effective alkalinity were also made.

Ranges of heavy metal content were: (1) mercury- <0. 1 to 0.3 ppb (summer only); (2) zinc-

The urban areas of Springfield contribute dissolved heavy metals to the surface streams. The Southwest Springfield Sewage …


Distribution Of Trace Elements In Host Rock Limestone In The Tri-State Zinc-Lead District, Dinesh Jashbhai Patel Jan 1973

Distribution Of Trace Elements In Host Rock Limestone In The Tri-State Zinc-Lead District, Dinesh Jashbhai Patel

Masters Theses

"The trace metal contents of limestone in the Tri-State zinc-lead district were determined within a single horizon, the M bed. Ninety-six specimens, collected for a previous study of their petrographic character, were analyzed for zinc, lead, and copper using atomic absorption spectrophotometric techniques.

The unaltered M bed limestone at a distance from ore bodies was found to contain only 12-28 ppm zinc, 40-SO ppm lead and 12 ppm or less copper. Those limestone specimens which were found b earlier petrographic study to be altered principally to sparry calcite commonly contain anomalous amounts of zinc and lead. Some also have slightly …


Monte Carlo Simulation Of Confidence Intervals For Reliability, Kathryn Palisch Berkbigler Jan 1973

Monte Carlo Simulation Of Confidence Intervals For Reliability, Kathryn Palisch Berkbigler

Masters Theses

"A computer program which computes fiducial confidence intervals for reliability by Monte Carlo simulation has been written. The program has the capability of computing these intervals for general systems of series, parallel, and mixed series and parallel subsystems which have failure time distributions which are either exponential, Weibull, gamma, normal, or lognormal.

Comparison of the simulation technique with a Bayesian technique for computing confidence intervals in the case of a series of exponentially distributed components shows that the two methods agree quite well when a fiducial prior distribution for reliability is used in the Bayesian technique. A uniform prior distribution …


The Contribution Of Phonon-Induced Tunneling To Donor Esr Spectral Narrowing In Semiconductors, David Lawrence Meier Jan 1973

The Contribution Of Phonon-Induced Tunneling To Donor Esr Spectral Narrowing In Semiconductors, David Lawrence Meier

Masters Theses

"The narrowing of donor electron spin resonance spectra with increasing donor concentration ND and increasing temperature T has been observed in semiconductors in the past. One proposed explanation for this phenomenon has been narrowing due to electron motion caused by phonon-induced tunneling (hopping) between donor sites. According to the Anderson narrowing theory, the line width of the narrowed line can be expressed in terms of the average square spread of the non-narrowed spectrum, < H²>ave, and the average frequency of electron motion, ωn. Previous work has been done on narrowing by hopping, but rigorous expressions for ω …


Temperature Dependence Of The Formation Of An Amorphous Layer In Ion-Implanted Silicon, Gary Keith Woodward Jan 1973

Temperature Dependence Of The Formation Of An Amorphous Layer In Ion-Implanted Silicon, Gary Keith Woodward

Masters Theses

"Electron spin resonance (ESR) has been used to study the temperature dependence of the formation of an amorphous damaged layer produced by ion implantation in silicon.

Undoped silicon wafers were implanted with N+, Ar+, and Kr+ ions at 20 keV and dose rates less than .36 µa/cm2. Implant temperatures ranged from room temperature to 250°C. ESR measurements were made at room temperature on these wafers. The only ESR signal found was that associated with amorphous silicon. The ESR signal amplitude for a given ion and temperature increased approximately linearly with dose up to …


Heavy Metal Concentrations In The Waters Of The Springfield Area, Missouri, Anita Louise Williams Jan 1973

Heavy Metal Concentrations In The Waters Of The Springfield Area, Missouri, Anita Louise Williams

Masters Theses

"Water samples consisting of streams, springs, lakes, deep wells, and shallow wells were collected from various locations around the Springfield area. These were analysed for concentrations of the heavy metals of lead, copper, cadmium, zinc, mercury, and iron. Heavy metal contents in the waters occasionally show local concentrations. The zinc content can be related to known minor mineralized areas around Springfield. Some iron content in the surface waters and shallow aquifers is contributed by the iron-bearing clays and pyrites in the shallow formations.

The ranges of heavy metal values in the Springfield area are in ppb: lead, 1 to 70; …


A Study Of A New Hydrometallurgical Treatment For New Lead Belt Chalcopyrite Concentrates, Larry Steven Livingston Jan 1973

A Study Of A New Hydrometallurgical Treatment For New Lead Belt Chalcopyrite Concentrates, Larry Steven Livingston

Masters Theses

"A two-phase research project was conducted on chalcopyrite concentrates from the New Lead Belt of Missouri. Phase one includes an ore microscopy study of the Magmont and Viburnum chalcopyrite concentrates in respect to mineralogy, particle size and interlocking characteristics of ore minerals and their possible relationships to poor chalcopyrite-galena separation in the copper flotation circuits.

Results of the ore microscopy study of the Magmont and Viburnum mines chalcopyrite concentrates suggest that interlocking of chalcopyrite and galena are not the cause of poor chalcopyrite-galena separation in the copper flotation circuits.

The most common sulfides found in the Magmont and Viburnum chalcopyrite …