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Articles 11851 - 11880 of 12097
Full-Text Articles in Entire DC Network
A Sociometric Study Of Popularity And Academic Achievement In A Ninth Grade Class, Elizabeth V. Banks
A Sociometric Study Of Popularity And Academic Achievement In A Ninth Grade Class, Elizabeth V. Banks
Masters Theses
The Problem and Its Background
Introduction
It is common knowledge that education consists of more than training for academic achievement. It consists of teaching whole individuals how to live effectively in their social environments. Although it is almost impossible to teach them all the skills directly they can be helped to learn through experience a great number of them for themselves. These view-points with respect to the teaching of students are held not only by a great number of educational authorities but are also part of the educational practice of a great number of teachers. Jenkins, Shacter and Bauer1 …
Effects Of The History And Culture Of The Amish Upon The Educational Program In The Arthur Community Unit School, Harrison Wesley Brown
Effects Of The History And Culture Of The Amish Upon The Educational Program In The Arthur Community Unit School, Harrison Wesley Brown
Masters Theses
No abstract provided.
Teacher Morale, Roy M. Luthe
A Junior High School Teacher Tackles Her Reading Problems, Irma W. Young
A Junior High School Teacher Tackles Her Reading Problems, Irma W. Young
Masters Theses
No abstract provided.
The Activity Program In A Junior High School, Joseph C. Whitacre
The Activity Program In A Junior High School, Joseph C. Whitacre
Masters Theses
No abstract provided.
A Petrographic And Chemical Study Of The Bevier Coal Seam, Philip John Clarke
A Petrographic And Chemical Study Of The Bevier Coal Seam, Philip John Clarke
Masters Theses
"Samples of coal were taken at three inch intervals vertically down the Bevier seam at three localities in Macon and Randolph Counties. Channel samples were collected at the three localities. All samples were analyzed for ash content, total sulphur content, crucible swelling number, and volatile content. The channel samples were analyzed for "pyritic" sulphur, “sulphate" sulphur, and "organic" sulphur. Thin sections of the samples were used in an estimation of anthraxylon and attritus contents.
In all the samples studied, volatile content of the coal seemed to be related to the ash content and the sulphur content. Crucible swelling number also …
A Study Of The Extent To Which High School Coaches Of Illinois Use Audio-Visual Materials And The Value They Attach To Them, Paul E. Swofford
A Study Of The Extent To Which High School Coaches Of Illinois Use Audio-Visual Materials And The Value They Attach To Them, Paul E. Swofford
Masters Theses
No abstract provided.
History Of Rural Schools Of Ashmore Township Community Unit District #1, Coles County, Illinois, G. E. Hittmeier
History Of Rural Schools Of Ashmore Township Community Unit District #1, Coles County, Illinois, G. E. Hittmeier
Masters Theses
No abstract provided by author.
Reporting To The Parents The Progress Of Children In The Elementary School, Paul Raymond Beauchamp
Reporting To The Parents The Progress Of Children In The Elementary School, Paul Raymond Beauchamp
Masters Theses
No abstract provided.
A Study Of The Business-Education Curriculum In The Charleston Community High School, Artrel A. Mills
A Study Of The Business-Education Curriculum In The Charleston Community High School, Artrel A. Mills
Masters Theses
No abstract provided.
Geographical Influences In Selected Writings Of Louis Bromfield, Esther D. Ross
Geographical Influences In Selected Writings Of Louis Bromfield, Esther D. Ross
Masters Theses
No abstract provided.
Plastic Deformation Of Rocks, Muhammed Abdul Waheb
Plastic Deformation Of Rocks, Muhammed Abdul Waheb
Masters Theses
"The purpose of this investigation is to search for a method by which the strength properties of a rock may be described.
For this purpose, an attempt has been made to find out some relationship by which the rooks may be classified or described. For the solution of problems of mine stability, the mechanical properties of a rock should be known, i.e., hardness, toughness and strength. It is difficult to make a study of some method of classification or description of a rock without knowledge of these properties.
With a view to achieve the solution of a general classification for …
A Study Of Immiscibility In The Carbonates From The Metamorphic Rocks Of Southeastern Vermont, Ralph D. Cotter
A Study Of Immiscibility In The Carbonates From The Metamorphic Rocks Of Southeastern Vermont, Ralph D. Cotter
Masters Theses
"This problem is an attempt to correlate grade of metamorphism (normally assumed to be temperature dependent) with the shape and dimensions of a solid miscibility gap. Such a correlation might permit mapping of a continuously variable function of metamorphism. The system, calcite and dolomite-ankerite, was chosen for study because of its relative simplicity. Samples of quartz-carbonate granulite were collected from the Waits River formation in southeastern Vermont through a range of metamorphic grades. Refractive index, "molecular" volume, manganese content, and density were determined for the carbonates of four of these samples. These values are plotted on a compositional diagram to …
Crimp Method Of Closure Of Small Pressure Vessels, Zafiri Bersu
Crimp Method Of Closure Of Small Pressure Vessels, Zafiri Bersu
Masters Theses
"The object of this thesis is to design a means of closing the ends of thin aluminum alloy tubing in the 1” O.D. to 2” O.D. by .035 to .065 inch thick sizes, so that the closure will withstand internal hydrostatic pressure sufficient to burst the tube along the longitudinal element.
The aim is to approach the ultimate mechanical efficiency possible, and at the same time to keep actual production in mind.…
Summarizing the aims of this investigation, it can be said that the objectives of this investigation are:
- To design ends for closed vessels.
- To form the designs.
- To …
The Lattice Constant And Coefficient Of Expansion Of Chromium, Chao-Ching Weng
The Lattice Constant And Coefficient Of Expansion Of Chromium, Chao-Ching Weng
Masters Theses
"The most important use of chromium, other than as an alloying element in the manufacture of stainless steel, is for electroplating; to form a coating on other metals for corrosion prevention in order to procure longer life, and to achieve a decorative effect.
The physical properties of chromium are important in the effectiveness of its uses, and its lattice constant, as well as coefficient of thermal expansion, seem worthy of exact determination.
A number of research workers, over a span of thirty years, have spent considerable effort in determining the aforementioned constants. However, their results do not check, and the …
Photoelastic Investigation Of The Stresses In A Capless Connecting Rod, Gerald Delaine Smith
Photoelastic Investigation Of The Stresses In A Capless Connecting Rod, Gerald Delaine Smith
Masters Theses
"For a great many years the primary method used to solve engineering problems was by the use of mathematics. However, rigorous and simple mathematical solutions are only possible if the geometry of the member and its loadings are relatively simple. When irregular shapes with complex loadings are encountered, rigorous mathematical solutions for stresses induced are either impossible or very cumbersome. In such cases, the engineer must resort to other methods which are available today.
This paper attempts to show the application of the photoelastic method to such a problem. Moreover, it will show the comparative ease with which the designer …
The Bloating Of Missouri's Shales, Peter Kurtz Jr.
The Bloating Of Missouri's Shales, Peter Kurtz Jr.
Masters Theses
"The first objective of this investigation was to determine which deposits of clays, shales, and loesses in Missouri are suitable for use in the production of lightweight aggregate by virtue of their expanding characteristics upon heating. The second objective was to determine, if possible, commercially feasible additions that will produce the bloating property in shales that do not naturally bloat.
There are two conditions which must be met in firing in order to bloat a clay or shale. First, a gas must be formed and evolved during firing. Second, enough glass of the proper viscosity must be formed to trap …
The Holding Strength Of Crimps On Tubes, Aydin Cansever
The Holding Strength Of Crimps On Tubes, Aydin Cansever
Masters Theses
"The object of this thesis is to determine by analytical means and laboratory tests the holding force of various crimp methods of fastening sheet metals and special tubing. The study is conducted with heat treated Aluminum alloy 24S.T3.
The problem of joining relatively thin walled tubing of high strength material or the application of a plug to such a tube has been investigated by many manufacturers, but the literature in this field is limited and still there are many cases where a better method may prove very useful. At the suggestion of Dr. Aaron J. Miles, the author decided to …
A Suggested Program For Co-Educational Activities In Physical Education At Marshall High School, Melvin William Aussieker
A Suggested Program For Co-Educational Activities In Physical Education At Marshall High School, Melvin William Aussieker
Masters Theses
Note: This thesis is from a student from the University of Michigan. They collaborated with Dr. George G. Mallinson.
A Survey Of The Forms Used In The Organization And Administration Of Off-Campus Student Teaching In Business Education In The Public High Schools Of The United States, Fredrick Donald Luallen
A Survey Of The Forms Used In The Organization And Administration Of Off-Campus Student Teaching In Business Education In The Public High Schools Of The United States, Fredrick Donald Luallen
Masters Theses
No abstract provided.
The Fluorescence Of Uranium In Solid Solution, Robert Emmett Kelly
The Fluorescence Of Uranium In Solid Solution, Robert Emmett Kelly
Masters Theses
"The fluorescence of uranium finds its greatest application in the so-called "bead test" which is a method of qualitative analysis. In the form of a bead, the uranium is in solid solution, and if the proper chemical solvent is used, the bead will fluoresce under ultraviolet radiation.
In the systematic separation of the metallic elements, uranium is associated with the aluminum group in that it is not precipitated by hydrogen sulfide in 0.3 N H ion but is precipitated by ammonium hydroxide and ammonium sulfide. In the analytical scheme, uranium acts like beryllium. This process of detection is sometimes tedious …
A Linear Polymer X-Ray Scattering Model, Bernard Cohen
A Linear Polymer X-Ray Scattering Model, Bernard Cohen
Masters Theses
"In the development of X-ray scattering intensity curves physical models are necessary for the theoretical mathematical development involved. The purpose of this paper is the development of a physical model suitable for X-ray diffraction analysis or a linear polymer.
X-ray intensity patterns may be used to give a greater insight as to the atomic structure, configuration or atoms, molecular weight, and therefore a greater knowledge of the structure of matter, both microscopic and macroscopic. The converse may sometimes be used. An atom or molecular model is constructed, from this model X-ray scattering curves may be derived. These curves may be …
A Critical Analysis Of Several Product And Factoring Formulas, Herbert Wills
A Critical Analysis Of Several Product And Factoring Formulas, Herbert Wills
Masters Theses
No abstract provided.
4-Benzoyl-4-Methyl-1, 2-Epoxypentane, An Attempted Synthesis, Robert L. Snell
4-Benzoyl-4-Methyl-1, 2-Epoxypentane, An Attempted Synthesis, Robert L. Snell
Masters Theses
"The object of this research was to prepare first the simplest homologue of the epoxy-ketone considered by Russell to have been his product. If this homologue, 4-benzoyl-4-methyl-1,2-epoxypentane, could be prepared and caused to form a cyclic derivative of the type given by 1,4-diketones with 2,4-dinitrophenylhydrazone, the organic chemist would be given a new approach to substituted 1,2-diazines as well as a previously unreported reaction of the epoxide grouping. If this reaction could be made to occur, other epoxides of this series would be prepared and treated in the same manner.
It was decided that the shortest route to 4-benzoyl-4-methyl-1,2-epoxypentane would …
Direct Reduction Of Zinc Sulfide Under Vacuum, Merritt E. Langston
Direct Reduction Of Zinc Sulfide Under Vacuum, Merritt E. Langston
Masters Theses
"The present work is a continuation of the previous investigations of Gross and Warrington and Liu in which the effect of various reducing agents on the vacuum reduction of zinc sulfide was studied. The author became interested in this topic while reading the papers by these investigators in which they recommended that further work be performed in an attempt to prevent zinc sulfide from distilling over during reduction, thereby contaminating the zinc condensate. The original plan was to perform a few runs for the purpose of duplicating the results that were reported by Liu, and from this point carry on …
Autographic Determination Of Thermally-Induced Linear Changes In Ceramic Bodies, William Dean Mckee Jr.
Autographic Determination Of Thermally-Induced Linear Changes In Ceramic Bodies, William Dean Mckee Jr.
Masters Theses
"The determination of changes in length of ceramic compositions as a function of temperature is frequently required in ceramic research and testing. With the use of an observer, excellent means are available for determination of changes in length over moderate ranges of temperature. However, the extended period required for some tests makes desirable the automatic recording of length change as a function of temperature.
There has been in use in the Ceramic Engineering Department a furnace arranged for determination of length changes; this furnace, shown in Figure 1, is so arranged that change in sample length causes linear displacement of …
The Partition Function Of Silver, Ralph H. Lilienkamp
The Partition Function Of Silver, Ralph H. Lilienkamp
Masters Theses
"The study of the thermodynamic properties of solids at low temperatures has shown that most theories either break down or become too cumbersome.
A theory based upon a crystal lattice of atoms gives the best physical picture of a solid. Fisher has developed partition functions from this theory for the simple cubic, body-centered cubic, and the face-centered cubic lattices. In his paper Fisher gave three partition functions of increasing complexity and accuracy for each of the three lattices. In this paper the three partition functions for a face-centered cubic lattice shall be applied to silver and compared.
The Helmholtz free …
Activation Energy For Recrystallization In Rolled Silver, Krishan Kumar Tangri
Activation Energy For Recrystallization In Rolled Silver, Krishan Kumar Tangri
Masters Theses
"In several metals the process of recrystallization is accompanied by a change in the orientation of the recrystallized material with respect to the cold rolled material. If the change is sufficiently large, the changing position of the crystals can be determined by measuring the change in the intensity of the characteristic Bragg-reflection with a Geiger counter x-ray spectrometer. Recent determinations of the activation energies of copper and a 50/50 iron-nickel alloy have been made by using this x-ray technique. Both of these metals show a decided shift in the orientation as the material is recrystallized.
Silver was examined to find …
The Application And Utilization Of Mining Models For Instruction And Display, William M. Shepard
The Application And Utilization Of Mining Models For Instruction And Display, William M. Shepard
Masters Theses
"The subject of the utilization of mine models for instruction and display at institutions offering courses in mining engineering has not been widely discussed in the literature. The value of models as visual aids in teaching has long been recognized, and they have been extensively employed by some institutions and by some instructors. However, the writer believes that a wider range of types of models are suitable for instruction purposes than have been employed in the past, and that mining models, properly arranged and adequately labelled, may be used in displays to give both the layman and the beginning student …
Halogenated Epoxide-Phenol Reactions A Mechanism Study, Richard L. Rowton
Halogenated Epoxide-Phenol Reactions A Mechanism Study, Richard L. Rowton
Masters Theses
"The object of this investigation was to study the reactions of two other halogenated epoxides--namely, 3-bromo-1,2-epoxybutane and l-bromo-2,3-epoxybutane--with the phenolate ion, with the hope that the results obtained would shed additional light upon the mechanisms of such reactions. At the present time, no direct practical applications of the results can be forseen. However, the information gained will be a worthwhile addition to the vast existing store of knowledge already at our disposal, and might be of some help to future investigators"--Introduction, page 2.