Digital Commons Network^™

Linear And Quadratic Programming With More Than One Objective Function, William John Lodholz

Masters Theses

"A computational procedure is presented for determining optimal solutions to the linear and quadratic programming problem when there is more than one objective function subject to linear constraints. In general a unique solution does not exist and a set of "best" or "efficient" points is determined and presented in graphical or tabular form. To solve the mathematical programming problems the simplex method is used for linear objective functions and Wolfe's method is used for quadratic objective functions"--Abstract, page ii.

The Effect Of Small Alloy Additions On The Quench Induced Texture Of Alpha Uranium, Kenneth Ray Riggs

Masters Theses

"The preferential orientations produced in binary alloys of U-Si and U-Cr on plane sections perpendicular to the direction of heat flow by cooling from beta-phase temperatures were determined. The experimentally determined textures were presented using inverse pole figures. A definite and reproducible relationship was found to exist between the preferred orientation present at any position and the cooling rate which material at the position had experienced. It was found that the concentration of the alloying elements within the ranges studied had little detectable effect upon the observed relationship between the cooling rate and the resulting preferential orientation. It was postulated …

Petrology And Mineralogy Of The "Old Workings Area," El Salvador, Chile, Bertis James Vander Schaaff

Masters Theses

"The 'Old Workings Area,' so called for its early mining by the Incas, is located 4 1/2 miles northeast of the El Salvador Porphyry copper deposit, the third largest copper producer in Chile. The area mapped in this study is shown to consist of rhyolite pebble conglomerate, two volcanic flows, andesite and rhyolite porphyry, and two intrusions. Quartz porphyry and tourmaline-bearing breccia. Petrographic study of surface and drill core rock samples confirms the field nomenclature used for the five rock types. All of the rock types are altered, but the quartz porphyry and andesite are the most intensely altered. Both …

Circular Polarization From A Corner Reflector Antenna With Tilted Dipole Of Arbitrary Length, Ruben A. Carrizo M.

Masters Theses

"The problem consists of the development of the electric far field equations for a forty-five degree corner reflector antenna with a tilted dipole, of arbitrary length, centered at the corner bisector plane to produce circularly-polarized radiation. The far field expression was developed as a function of the spherical coordinate system variables and placed in Fortran language in order to determine the dipole locations which would produce circularly-polarized radiation. At such dipole locations the field patterns were plotted in the [theta] = [pi]/2 and [phi] = 0.0 planes. Computations were made by the IBM 1620 digital computer"--Abstract, page ii.

Geology Of Cienega Mining District, Northwestern Yuma County, Arizona, Elias Zambrano

Masters Theses

"The purpose of this investigation was to determine the general geology of an unusually complex area containing several small mines and located in the northwest corner of Yuma County, Arizona. This report is the first attempt to work out in detail the lithology, structure, stratigraphy, petrography, and economic geology of the area"--Introduction, Purpose and Scope, page 1.

Optimization Of Flywheel Design For Internal Combustion Engines, Dady Jal Patel

Masters Theses

"A new approach to the problem of flywheel design has been developed, thus eliminating some of the problems of conventional design. The term flywheel design, in this thesis, refers to the determination of the flywheel inertia (mass moment of inertia) only. Two versatile computer programs were set up to obtain the flywheel inertia and the turning moment diagram for a large variety of internal combustion engines, and use was made of these programs to optimize the inertia of the flywheel with respect to speed. As an illustration the data of a 1960 Corvair engine were selected, and the results obtained …

The Separation Of Radioactive Technetium And Zirconium By Electrodialysis And A Study Of The Behavior Of Technetium In Aqueous Solutions, William Victor Andoe

Masters Theses

"The rapid increase in radioisotope applications necessitates improved technology for separation and purification of the fission product elements. Electrodialysis techniques employing Permutit anion exchange membrane(3148) were used to separate technetium from zirconium. The method was based upon the stability of the pertechnetate ion in alkaline solutions and the precipitation of zirconium from alkaline solutions. The separation of radiotechnetium and radiozirconium was effected with a two cell electrodialysis unit employing an anion exchange membrane. The solution medium consisted of fluoride and nitrate ions which were made basic with sodium hydroxide. The minimum basicity for a good separation was 0.1N NaOH"--Abstract, page …

Design Of Non-Uniform Linear Antenna Arrays With Digitized Spacing And Amplitude Levels, Jack F. Morris

Masters Theses

"Recent developments in space exploration have shown a need for high resolution, high gain antennas. The introduction of non-uniform linear array theory has provided a means by which arrays may be designed to produce narrow main beams with fewer elements than required by uniform arrays. A general theory has not been developed, however, and the design engineer has been left with only trial-and-error methods with which to work. In this study a technique has been developed by which non-uniform antenna arrays may be synthesized to meet a given set of specifications with reasonable accuracy. The elements of the array are …

The Design And Construction Of An Instrument For Calibrating Accelerometers, Richard Rabenau

Masters Theses

"The purpose of this work was to design and construct a facility to calibrate accelerometers. A ceramic piezoelectric shaker and modified Michelson interferometer together with necessary electronic equipment were used. The system produced accurate and stable acceleration at five discrete points from 1,000 to 5,000 cycles per second. the maximum calibration levels were approximately 50 g's"--Abstract, page ii.

Tschebyscheff Fitting With Polynomials And Nonlinear Functions, George F. Luffel

Masters Theses

"It is the purpose of this study to survey the properties of the Tschebyscheff polynomials with particular reference to how they are employed as approximants and interpolants. The survey is extended to include the process known as "Tschebyscheff Approximation" or "Tschebyscheff Fitting" of a function by functions other than polynomials. One such fitting technique which will be of particular interest in this study is that of fitting f(x) by the function ab^x + c where a, b, c are real and b ≠ 1. In addition to a survey of the properties of the Tschebyscheff polynomials and of Tschebyscheff …

An Instrument For The Measurement Of Anelastic Properties Of Glass, Thomas Frederick Miller

Masters Theses

"An inverted torsion pendulum for measuring the internal friction and dynamic shear modulus of glass fibers over an extended temperature range has been constructed and calibrated. The calibration consists of the determination of the moment of inertia. Extraneous damping losses were investigated and primary sources were found to be (1) the suspension thread, (2) the method of securing the fiber and (3) air damping. Anelastic measurements were made on an annealed vitreous silica fiber and a soda-lime-silica fiber"--Abstract, page ii.

Studies On The Conversion Of Indole Acetic Acid And Oxindole Acetic Acid By Hygrophorous Conicus, Barbara Ruth Patterson

Masters Theses

"The fungus, Hygrophorous conicus, produces the enzyme, indole acetic acid oxidase, when grown in the presence of indole acetic acid (IAA) or tryptamine. The IAA acts both as an inducer and a substrate for this intracellular enzyme. The product of the oxidation catalyzed by the IAA oxidase is oxindole acetic acid (OIAA). Since the IAA and OIAA absorb maximally at two different wavelengths the use of spectrophotometric analysis was possible for assaying for the IAA oxidase activity. Paper chromatography was used for qualitative identification of the IAA and OIAA. The rate of growth and the rate of formation of the …

The Effect Of Cadmium On Anaerobic Digestion, Lyle Lynn Pruitt

Masters Theses

"The main purpose of this study was to determine the effect of cadmium on anaerobic digestion. Metal concentrations in the form of regular and slug doses were considered. The possibility of acclimating anaerobic bacteria to higher cadmium levels was studied, and attempts were made to reestablish digestive action through re-seeding in digesters overcome by high cadmium concentrations"--Abstract, page [ii].

A Study Of The Work Functions Of Nigerian Industrial Technicians, Olugbenro A. Ajayi

Masters Theses

The Problem and Its Background

Introduction

A curriculum can be developed in several ways. The simplest method is to use the curriculum of another institution without modification. The hazard of such an approach lies in the possibility that the curriculum may not be a good one or, even if satisfactory for the original institution, may not fit into the conditions of the setting where it is to be used. For example, entrance requirements for institutions vary from country to country and from one institution to another.

Another method is to study a number of curriculums and develop a composite curriculum …

An Investigation Of The Effect Of Auditory And Combined Auditory-Visual Cues Upon Judged Intelligibility Of Artificial Larynx Speech And Esophageal Speech, Mary Ellen Carder

Masters Theses

Introduction

Surveys have shown that the incidence of total laryngectomy, surgical removal of the larynx, has increased steadily in the United States since 1947 when a total of 846 cases were reported (19, 20), to the present time when cancer registries indicate that about 4,400 new cases of cancer of the larynx are discovered annually (13). While it is estimated that in the United States at the present time there are 15,000 to 20,000 individuals who have undergone surgical removal of the larynx due to a carcinomatous condition of that organ (27), it is probable that the total population of …

James P. Newcomb, Texas Unionist And Radical Republican, Dale A. Somers

Masters Theses

James P. Newcomb's life spanned turbulent times in Texas. From the Nova Scotian's arrival in Texas in 1839 until his death in 1907, Newcomb witnessed many major changes in his adopted state. As he grew older, he played an increasingly important part in the state's affairs. Although intended to be a warts-and-all biography, this thesis concentrates on Newcomb's involvement with newspapers and politics from the time of his first venture in journalism in 1854 until his appointment as Texas' Secretary of State in 1870. Reconstruction receives extended treatment because it was during this period that Newcomb emerged from relative obscurity …

Individual Differences In The Reduction Of Cognitive Dissonance, Richard S. Dunn

Masters Theses

No abstract provided.

An Analysis Of The Rapacki Plan To Denuclearize Central Europe, James R. Ozinga

Masters Theses

Introduction

In 1957, Adam Rapacki, Foreign Minister of Poland, proposed that a zone be created in Central Europe in which nuclear weapons of all kinds would be prohibited. The zone was to include the countries of West Germany, East Germany, Poland, and Czechoslovakia. This paper seeks to study that proposal in the light of its background and consequences. The purpose of such a study, beyond the hopeful accretion of knowledge, is to form conclusions based on the analysis of the proposal as the beginning of a solution to the political and military impasse in Central Europe.

The proposal will be …

Relationship Between Home Management And Ability To Manage Interpersonal Relationships, Carol Rathbun Fites

Masters Theses

Chapter I

The Problem and Its Background

It is the purpose of this chapter to first present some general concepts pertaining to management, and then to present the problem explored in this study. The purpose of the problem, basic assumptions made, and definition of terms used in the investigation are explained. Also included is the background and importance of this study. A summary concludes the chapter.

Ailred Of Riveaulx The Consistency Of His Life And Writings With His Thought And His Profession As Cistercian Monk, Tyrrell Hughes

Masters Theses

First paragraph:

The author confesses to a profound emotional involvement with AiIred of Rievaulx, Saint of the Church and man whose love was charity, the love that is like God's love. But this zealousness on his behalf was born after analysis of and reflection on Ailred's life and writings, comparing these judgments with the treatments he has received at the hands of various scholars, among them the fine names of David Knowles, F.M. Powicke, C. H. Talbot and Aelred Squire. The initial reaction induced by the comparison was indignation at the injustice done AiIred, but much more at the seeming …

Southern Expansion In The Caribbean Region, 1850-1860, Keith Ross Speiran

Masters Theses

The Background: 1846-1850

The term "Fillibuster" has a different connotation in modern times than that of a hundred years ago. Today according to The American College Dictionary, the term means, "a member of a minority in a legislative assembly who resorts to irregular or obstructive tactics to prevent the adoption of a measure generally favored, or to force a decision almost unanimously disliked." The dictionary also gives the older definition, which will be used in this paper. This meaning is "an irregular military adventurer; a freebooter or buccaneer."

The purpose of this thesis is to describe a number of …

A Study Of The Government Of Parchment, Michigan, Shirley Forbes Swenson

Masters Theses

Introduction

Suburban-living has become a major part of our culture and the term has been widely accepted and interpreted to mean a distinctive way of life highly advantaged over life in strictly urban or rural settings. The first major move to the suburbs was by the wealthier segments of our society, and the gracious, leisurely pattern of living they sought still colors the popular image of the term "suburban."

Construction And Validation Of Six Mental Health Sub-Scales By Age, Sex, And Educational Status, Thomas James Boynton

Masters Theses

Chapter I

Introduction

Purpose of the Study

The topic considered in this thesis is the construction and validation of six mental health sub-scales which are based upon procedures controlling for age, sex, and educational status. Each item in a 22 item mental health scale is tested for validity by age, sex, and educational status. Six sub-scales, one for each dichotomy of the three social groups, are constructed from this procedure. The validity of these sub-scales is then tested via six different criteria of mental health. Finally, the validity of the six sub-scales, the original 22 item scale, and a related …

The Relationship Between Various Wave Lengths And Dark Adaptation, Thomas Eugene Berghage

Masters Theses

No abstract provided.

U. S. Gold Policy From April 1933 To De Facto Stabilization Of The Dollar Upon A Gold. Basis In January 1934, Robert A. Hageman

Masters Theses

Introduction

An inadequate banking system and an attachment to monetary panaceas are both characteristic of the American past. When the Revolutionary War began, the colonist were ill-prepared to meet the growing burden of financial stress in the newly formed Confederation. In order to bring some degree of organization to the unstable monetary system, the Continental Congress fixed the ratio between gold and silver at 15.3 to 1 and authorized the issuance of Continental notes redeemable in Spanish-milled dollars or their equivalent in gold or silver. But after 1780, "continentals" depreciated so rapidly they soon ceased to circulate, and coins replaced …

The Effect Of Induced Movement Of Induced Movement On The Naming Of Pictured Objects And Persons-One Aspect Of Thinking, Jack A. Nottingham

Masters Theses

No abstract provided.

The Russian Revolution Of 1905 As Depicted By Contemporary American Reports, With Special Emphasis On The "Bloody Sunday" Incident Of January 22, 1905, Patrick Kay Bidelman

Masters Theses

Preface

On Sunday morning, January 22, 1905, a crowd of workers marched through the streets of St. Petersburg, Russia. They were led by a Russian Orthodox priest, Father George Gapon, who had a petition to grievances to present to Czar Nicholas II. As they converged on the square in front of the Winter Palace, they were fired upon by the Imperial troops. The result was a complete military victory for the autocracy and a casualty rate among the petitioners that has caused the incident to go down in history as "Bloody Sunday."

On Monday, January 23, newspapers throughout the United …

And Yet I Have Loved Him: The Judgement Of William Of Saint Thierry On Peter Abelard, Rozanne Elder

Masters Theses

First paragraph:

On the second of June in the year 1140, a Council of the Church in Sens formally condemned as heretical nineteen propositions from the works of Peter Abelard, philosopher, theologian, and teacher of unparalleled popularity. Denying emphatically that his teaching varied in any way from that of the Church, Abelard appealed to Rome, only to have Innocent II uphold the decision of the Council. He upheld the condemnation of Abelard’s works, ordered his writings to be burned, forbade him ever again to teach, and, finally, ordered him to perpetual penance. The condemnation of Abelard can be laid to …

An Investigation Of The Influence Of Certain Phonetic Contexts Upon Articulation Of The /S/ Sound, Theodore J. Peters

Masters Theses

Chapter I

The Background and Purpose of the Study

Introduction

Clinical experience as well as considerable research, which will be discussed later in this chapter, has shown that children are inconsistent in their misarticulation of speech sounds. Children who typically misarticulate a sound may, nevertheless, articulate the sound correctly in certain words. Several authors have suggested that these occasional correct productions of the usually misarticulated sound can be useful in therapy. For example, in a discussion of therapy techniques Van Riper (32, p. 273) has recommended the use of "key words" in helping a child correct his articulation errors:

Although …

Andrew Jackson: Blackbird Of L’Arbre Croche, Grace Walz

Masters Theses

Prologue

I work very slowly on my lecture. My strength is failing and my eyes are so that I cannot use them by candlelight. I have many pages written with pencil and when I can get them copied in ink, I will send them to you.

My object in trying to have this printed is that it might live after I am dead and finally be adopted as the plan or means to bring about the true development of American Indians.

My days are numbered, as I am entirely unable to do any manual labor, not only from old age …