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Articles 4201 - 4230 of 4241
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Feasibility Study Of Direct Electron Recording Target Systems, Gaylord A. Helgeson
Feasibility Study Of Direct Electron Recording Target Systems, Gaylord A. Helgeson
Theses
Not Included
Chapel Furnishings, Sister Marie Angela Fina S.S.J.
Ceramic Wall Reliefs For Church Interiors And Exteriors, Sherwood Smith
Ceramic Wall Reliefs For Church Interiors And Exteriors, Sherwood Smith
Theses
The purpose of this thesis is to execute a series of five ceramic wall reliefs. These reliefs will be made abstract through the use of symbols and will attempt to give connotative ecclesiatic meaning in church surroundings.
The Supreme Court And Integration, Herston P. Bonner
The Supreme Court And Integration, Herston P. Bonner
Theses
The subject of this thesis was "a result of the present school integration crisis" that was occurring at the time it was written in 1964. The paper examines rights granted in the Thirteenth, Fourteenth, and Fifteenth Amendments to the Constitution, Supreme Court decisions regarding school integration, and the particular situation of school integration in Gadsden, Alabama. Analysis of integration cases prior to 1900, the Supreme Court's 1954 decision, the situation in Little Rock, Arkansas, integration of Alabama Schools, and integration issues in other parts of the US is included.
Graphic, Identity Symbol Theories And The Creation Of An Institutional Graphic Image, James J. Burke Jr.
Graphic, Identity Symbol Theories And The Creation Of An Institutional Graphic Image, James J. Burke Jr.
Theses
Not provided.
Joel Chandler Harris: Aesop Of The South, Thomas Adams
Joel Chandler Harris: Aesop Of The South, Thomas Adams
Theses
This paper covers Joel Chandler Harris's early life and its influence on his writing, then examines the literature he created, including the Uncle Remus stories, and interpretations of his work.
The Electrical And Optical Properties Of Organic Semiconductors. Part 1 : Preliminary Survey And Purification Techniques, Bohdan Robert Czorny
The Electrical And Optical Properties Of Organic Semiconductors. Part 1 : Preliminary Survey And Purification Techniques, Bohdan Robert Czorny
Theses
The purpose of this work was to investigate the field of organic semiconductors and in particular to develop the means for preparing these materials in suitable condition for measurement and study of semiconducting properties. The first aspects of this project concerned with a preliminary survey of the field and techniques of ultra purification are covered in this work.
Anthracene was selected for investigation because it is the organic semiconductor most commonly studied by other investigators, and considerable published information exists for corroboration.
The preliminary survey elucidated the most promising methods of purification, which were chemical synthesis, sublimation, recrystallization from solvents …
Slavery In The United States, Robert F. Blumhagen
Slavery In The United States, Robert F. Blumhagen
Theses
This thesis examines the issue of slavery in America, including how the institution began, treatment of those enslaved, plantation and city life, moral issues, reactions to slavery, the US Civil War, and political issues concerning slavery.
Photomicrographic Inspirations For Graphic Design, David Bradley Smith
Photomicrographic Inspirations For Graphic Design, David Bradley Smith
Theses
Not provided.
Viscosity-Vapor Pressure Correlation Of Alcohols, Methyl Ketones And Alkyl Halides, Kevin Frank
Viscosity-Vapor Pressure Correlation Of Alcohols, Methyl Ketones And Alkyl Halides, Kevin Frank
Theses
A linear relationship was found to exist between the logarithms of viscosity and vapor pressure measured at the same temperature for certain homologous series. Previous work by Di Geronimo, healing, and McGuire substantiated this correlation for n-paraflin hydrocarbons, n-paraffin fatty acids and esters, n-alkyl cyclohexanes, n-alkyl benzenes and n-l-monoolefins. The relationship takes the form
logη= A log vp + B
where A and B are constants characteristic of the homologous series.
The adaptation of this linear relationship to alcohols methyl ketones, and alkyl halides in the present work indicates a wide applicability of the correlation. the values of the series …
An Evaluation Of Oxide Films Of Lead And Tellurium Prepared By Reactive Sputtering, Frank Groom Peters
An Evaluation Of Oxide Films Of Lead And Tellurium Prepared By Reactive Sputtering, Frank Groom Peters
Theses
Oxide films of lead, tellurium, and their alloys were deposited by reactive sputtering onto substrates and analyzed by X-ray emission spectrography. The sputtering process involved the bombardment of a metallic cathode with positive ions in an atmosphere containing oxygen. The preparation and analysis of these films are described. The unstrained, homogeneous films have good adherence to the substrate and may be prepared to arbitrary thicknesses. Over a range of lead-tellurium oxide compositions these films are transparent and are glassy, rather than crystalline or amorphous solids.
From the analyses of the films by X-ray emission spectrography and known cathode compositions, it …
Program Evaluation And Review Technique, Anthony Immaculate Agresta
Program Evaluation And Review Technique, Anthony Immaculate Agresta
Theses
The problem of planning, controling and evaluating complex projects both engineering and non-engineering has existed as long as the projects themselves. In the past the approach of management to this problem has been one which was based heavily on the use of historical information. There have been very few attempts to predict and control the occurrence of the objective event of these projects.
This thesis deals with a review of this problem and a new approach to the planning, control, and evaluation of these complex projects. This new approach is the Program Evaluation and Review Technique (PERT) which was developed …
The Electrolytic Refining Of Tellurim, Patsy Patrick Napolitano
The Electrolytic Refining Of Tellurim, Patsy Patrick Napolitano
Theses
The purpose of this investigation was to obtain new and to extend existing information on the method or methods used to produce high purity Tellurium using electrolytic refining methods. All available methods were investigated, in order to substantiate or disprove the available procedures. The main concern of this investigation is the outlined procedure to produce a metallic Tellurium product of 99.9999% purity. Any information which proved to be correct was used in attaining the ultimate goal of this thesis.
A literature search revealed only one good source of information. A United States patent, No. 2,258,963, dated October 14, 1941, issued …
The Corrosion Of Zinc-Stainless Steel Couples In Flowing Sea Water, Henry Shaw
The Corrosion Of Zinc-Stainless Steel Couples In Flowing Sea Water, Henry Shaw
Theses
The effect of sea water flow on passivated stainless steel 304 coupled to high purity zinc was studied for more than 1000 hours at 23°C. The corrosion of both members of the couple increased over that of the metals alone. Zinc suffered severe pitting while the Stainless Steel was not visibly corroded, When the metals were exposed alone, zinc corroded uniformly while the stainless steel was not affected at all. The use of zinc coupled to Stainless Steel is not recommended in systems exposed to sea water.
Jurisdictional Disputes Within The Construction Industry, Dominick Joseph Magarelli
Jurisdictional Disputes Within The Construction Industry, Dominick Joseph Magarelli
Theses
Work assignment disputes, known as jurisdictional disputes are common in the construction industry. They are not only costly but annoying as well, The construction industry has always been plagued with this type of dispute because each of its many craft unions regards certain types of work as a proprietary right. They jealously guard against any encroachment of their area of activity by other unions. Sometimes lines of demarcation between the various jurisdictions are not clear. Also, the development of new products and methods often brings with it clashes between unions each of whom claim exclusive right to the work assignment. …
A Preliminary Experiment In The Preparation And Evaluation Of Photographic Prints Of Unusual Tone Reproduction Characteristics, Robert Kane, Irving Magin
A Preliminary Experiment In The Preparation And Evaluation Of Photographic Prints Of Unusual Tone Reproduction Characteristics, Robert Kane, Irving Magin
Theses
Using three film types, Super Pan Press type-B, Kodak Commercial and Kodak Gravure (improved), and submitting these films to three levels of development and masking, a variety of tone reproduction curves were obtained. Selected prints, representing a variety of reproduction curves, were viewed by observers to determine preferred curve shapes.
The Effect Of Velocity On The Electrical Conductivity Of Blood, Judea Pearl
The Effect Of Velocity On The Electrical Conductivity Of Blood, Judea Pearl
Theses
Although the change in the conductance of blood resulting from changes in its velocity has been noted by several investigators working with electrical impedance techniques, this parameter of measurement has heretofore not been investigated from the viewpoint of practical application to blood flow measurement.
In certain regions of the body such as the tooth pulp and the cranial cavity, the volume of the contained blood cannot fluctuate during a cardiac cycle because of the rigid wall of the chamber. Therefore, impedance pulses which have been obtained in studies on the tooth pulp, must be attributed to the rhythmical fluctuation of …
Viscosity Correlations Of Saturated Fatty Acids And Their Esters, Thomas Joseph Redling
Viscosity Correlations Of Saturated Fatty Acids And Their Esters, Thomas Joseph Redling
Theses
Several correlations have been developed which permit calculation of the viscosities of the n-paraffin fatty acids and esters, beginning with formic and including stearic acid.
The correlations were obtained by interrelating the Log u and the Log Pv at the same temperature, where u is the viscosity in centipoise and Pv is the vapor pressure in millimeters Hg. A single line relationship represents all the fatty acids from propionic acid to and including stearic acid, while formic acid and acetic acid each have their own line. Methyl, ethyl, propyl and butyl formate can be represented by a single …
Attrition In A Fluidized Bed, Andrew Joseph Welter
Attrition In A Fluidized Bed, Andrew Joseph Welter
Theses
The object of this thesis is to study attrition in a fluidized bed in an attempt to find a reliable method for predicting attrition rate when fluid flow rates and particle sizes are varied.
The system studied consisted of air as the fluidizing median with bauxite and fuller's earth as the solids in suspension. Fluid flow rates were changed while all other variables were held constant. Systems with both large and small particles were studied for each material.
It was found that the attrition rate of the material when the bed is maintained at a constant mass flow rate is …
Power Requirements For Agitation In Fully Baffled Vertical Cylinders, Leo Francis Ryan
Power Requirements For Agitation In Fully Baffled Vertical Cylinders, Leo Francis Ryan
Theses
The decrease in power number with increasing Reynolds number sought in this thesis was observed. However, the majority of the data is not an indication of this phenomenon. Only with a relatively high ratio of turbine diameter to vessel diameter could a power number fall-off be obtained. The power number fall-off thus appears to be dependent upon this ratio of turbine diameter to vessel diameter. When the power number fall-off was evidenced, a deep vortex existed despite the presence of full baffling, and large quantities of air were entrained by the liquid.
Even after applying pseudo corrections for both entrained …
Behavior Change Through Training, Robert Walter Messerschmidt
Behavior Change Through Training, Robert Walter Messerschmidt
Theses
This thesis represents an investigation of attitude and behavior change as a result of human relations training, The elements of heredity and environment are proffered as a basis for attitude and behavior formation. It is denoted that these elements are also instrumental in subsequent development of adult behavior.
As noted in the literature, the term "individual differences" embodies the effect of virtually unique heredity and environmental conditions to which each person is exposed. These differences are also partly determined by the growth in developmental trends, which varies from individual to individual and from time to time.
The existence of individual …
Absolute Viscosity Of The N-Paraffin Liquids, Gerald Permutt
Absolute Viscosity Of The N-Paraffin Liquids, Gerald Permutt
Theses
The absolute viscosity of the normal paraffins C5H12 to C20H42 was studied to determine a relationship more useful in predicting liquid viscosities than existing correlations such as the methods of Andrade, Souders, Thomas, and Doolittle.
It was found that a function of corresponding liquid states could be designed which related viscosity to the number of carbon atoms. This function, here called liquidity, is defined as the extent to which a substance exists as a liquid with respect to temperature. This function can be expressed mathematically as:
Lc = (t - tm)/(t …
Finance Of Cullman County Schools, Theron Dupree Boland
Finance Of Cullman County Schools, Theron Dupree Boland
Theses
This paper examines the financial situation of schools in Cullman County, Alabama, in the 1960s. Sections on the Alabama Constitution and Code as they regard public schools, statutes that affect revenue for public schools, taxes, and expenditures are included.
Correlation Of Maximum Air Velocity With Liquid Entrainment Loading For Wire Mesh Mist Eliminators, Edward W. Poppele
Correlation Of Maximum Air Velocity With Liquid Entrainment Loading For Wire Mesh Mist Eliminators, Edward W. Poppele
Theses
Two styles of Initted 'wire mesh entrainment separators,or demisters were investigated to determine maximun useful air flow rates over a wide range of liquid entrainmant loadings. The demisters studiod were six-inch thickniess and constructed of 0.011 inch diameter stainless steel wire.
The expression widely used to determine allowable design velocity for gas through demisters is:
V=K/((d1, dv)/ dv) (1)
where
V = Maximum Degree gas velocity, feet per second,
K = is a constant for the system,
d= density of entrained liquid phase, pounds per cubic foot,
dv = density of gaseous phase, pounds per cubic foot.
In this work …
Recovery Of Phthalic Acid, George Thomas Roberts
Recovery Of Phthalic Acid, George Thomas Roberts
Theses
Crude phthalic acid from the fusion processing of alkyd resins was found to be recoverable by solvent extraction, neutralization-acidification, sublimation, distillation, esterificatton with monohydric alcohols, ion exchange or alkyd resin preparation.
The author proposes that alkyd resin preparation, based on analysis of the crude phthalic acid, is the most practical way for the alkyd resin manufacturer to recover the crude phthalic acid. No purification of the crude phthalic acid is necessary for this utilization and the resulting alkyd resin is saleable at a profit.
Hydrolysis Of Sodium Silicofluoride, Frank Arthur Graf
Hydrolysis Of Sodium Silicofluoride, Frank Arthur Graf
Theses
The kinetics of an apparent solubility decrease of commercial sodium fluoride encountered in a piece of equipment designed to produce saturated sodium fluoride solution was Investigated, in order to understand why a consistently saturated solution was not possible to achieve with plain tap water as solvent.
The main impurity, about 1 percent sodium silicofluoride, coats the sodium fluoride crystals, resulting in an equilibrium shift during dissolution of the salt in water; and under certain conditions results in the formation of a protective gel. Therefore, in order to produce a constant strength sodium fluoride solution, this coated impurity must be decomposed …
Ammonia Catalized Phenol Formaldehyde Resins, Murlin Charles Ehrgott
Ammonia Catalized Phenol Formaldehyde Resins, Murlin Charles Ehrgott
Theses
The literature on ammonia-catalyzed phenol-formaldehyde resins is reviewed and critical comparisons are made of the manner in which the ammonia-catalyzed resins differ from both the alkali- and acid-catalyzed resins.
Intermediate products formea during the initial stapes of the ammonia-catalyzed phenol-formaldehyde reactions, as reported in the literature, are tabulated and % N contents are calculated.
Experimental determinations of N content of resins with molar ratios of 1:1.25 phenol to formaldehyde with ammonia at 0.2, 0.5, and 1.0 moles per mole of phenol, show that at the 0.2 molar ratio of ammonia, all the N enters into the resin and remains during …
The Preparation Of 3,4-Diaminopyridine, Emil John Fencl
The Preparation Of 3,4-Diaminopyridine, Emil John Fencl
Theses
The preparation of 3,4-diamincpyridine from pyridine was investigated, but found to be of little synthetic value because of the low yield obtained on the rearrangement of 4-nitraminopyridine to 3-nitro 4-aminopyridine. In attempt to nitrate nicotinamide-N-oxide resulted in the isolation of nicotinic acid-N-oxide. Attempts to nitrate nicotinic acid-N-oxide were unsuccessful. Attempts to oxidize 3-methylpyridine-N-oxide and 4-nitro-3-methylpyridine were unsuccessful. The nitration of 3-methylpyridine-N-oxide led to the isolation of 2-nitro-5-methylpyridine, which has not previously been reported as a by-product of that reaction.
Electrodeposition Of Cellulose And Carboxy-Methylcellulose, Charles Edward Driesens Jr.
Electrodeposition Of Cellulose And Carboxy-Methylcellulose, Charles Edward Driesens Jr.
Theses
The previous work done by Frank Cozzarelli on the eleotrodeposition of cellulose from a sodium zincate-urea-cellulose system has been verified, except that zinc was found to deposit on the cathode at all voltages and current densities within the range of the optimum conditions for deposition. The optimum conditions are: voltage - 1.10 to 1.28 volts; current density 0.13 to 1.10 amperes/square foot; electrode material - copper. Current efficiencies range from 0.80 to 5.53%.
A chelate-like complex formed from the sodium zincate and urea which couples with the cellulose has been proposed as a possible explaination of the mechanism governing the …
Viscosity Of Non-Newtonian Suspensions, David Edward Gullett, Edward Curtis
Viscosity Of Non-Newtonian Suspensions, David Edward Gullett, Edward Curtis
Theses
The object of this project ras to obtain a reasonable correlation of the effect of velocity, concentration and particle size on apparent viscosity of non-Newtonian slurries.
Through the use of dimensional and graphical analysis an equation, μ/μw=1.02(Ak/GC).105, was developed which filled these conditions. The average deviation of the apparent viscosity calculated from this equation compared to the experimental value was 14.4%.
The authors believe that this correlation should be tested under a greater variety of conditions of particle size and particle thermal conductivity and for suspending mediums other than water.