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Articles 715501 - 715530 of 716706
Full-Text Articles in Entire DC Network
Geology Of The Killdeer Mountains, Dunn County, North Dakota, Terence T. Quirke
Geology Of The Killdeer Mountains, Dunn County, North Dakota, Terence T. Quirke
Theses and Dissertations
No abstract provided.
The Hudson's Bay Company And Red River Trade, Hattie Listenfelt Miss
The Hudson's Bay Company And Red River Trade, Hattie Listenfelt Miss
Theses and Dissertations
No abstract provided.
The Psychology Of Senescence: An Introductory Study, Charles W. St. John
The Psychology Of Senescence: An Introductory Study, Charles W. St. John
Historical Dissertations & Theses
The following biographical studies have been made with the purpose of showing through concrete cases some aspects of mental decline in senescence. To the objection that each of these cases follows a course in a degree divergent from that of normal mental decline, the reply is that a study of these striking instanced, we believe, afford a more ready insight into the underlying phenomena than would a similar one which deals with average or typical cases. The significance of exceptional cases should not be underestimated. Certain peculiar conditions have been present which have modified the typical phenomena, but after due …
Housing Conditions In Worcester, Harry L. Jackson
Housing Conditions In Worcester, Harry L. Jackson
Historical Dissertations & Theses
The physical basis of the home, the dwelling-place of the family, is inseparably bound up with and affects to a marked degree the standard of the home. If we are at all interested in the present and future welfare of our city it is highly essential that we know what the housing conditions in Worcester are in view of the close relation between home and community.
We must admit that the citizens here as a whole have given the all-important subject of housing very little attention. One must not therefore infer that we have no housing problem. Every American city …
Select Methods In Quantitative Chemical Analysis, Florence Ada Brooks
Select Methods In Quantitative Chemical Analysis, Florence Ada Brooks
Chemistry Honors Papers
This 18 page thesis examines various methods of quantitative chemical analysis.
Atmospheric Nitrous And Nitric Acids And Their Absorption By Rain And Surface Water., Alexander Y. Lee
Atmospheric Nitrous And Nitric Acids And Their Absorption By Rain And Surface Water., Alexander Y. Lee
Electronic Theses and Dissertations
Having been born and brought up in China, an empire, where the people are utterly ignorant of the vital importance of a good system of public water supply, and having decided to take chemistry as my profession, I feel intensely interested in the examination of water for the purpose of convincing our people in the far east to pay proper attention to sanitation on a chemical basis. The average life period there has been roughly estimated to be thirty years, and we have now in the Middle Kingdom a population of 450,000,000. It means in each century we have approximately …
American Mural Painting, Fanny E. Perkins
American Mural Painting, Fanny E. Perkins
Graduate School of Architecture & Urban Design Theses & Dissertations
The first two chapters contain an exceedingly condensed statement of the limitations of mural painting and the history of its development in Europe, - a background for the real theme, which commences in the fairs chapter with an outline of the beginnings of mural painting in America. Chapter IV treats the Chicago World's Fair as an epoch-making event in the art, and develops the history from that point to the present day. The existing examples of mural painting in America are then divided into four classes, for convenience of description. Chapter V deals with those paintings having a religious theme, …
Analysis Of Water-Insoluble Proteins Of Flesh : An Application Of Van Slyke's Method Of Analysis Of Pure Proteins., H. H. Mcgregor
Analysis Of Water-Insoluble Proteins Of Flesh : An Application Of Van Slyke's Method Of Analysis Of Pure Proteins., H. H. Mcgregor
Electronic Theses and Dissertations
The fundamental importance of a definite knowledge of the quantity of each amino acid yielded by the several food proteins justifies the expenditure of much effort in studying the analytical methods in order that these may be improved or their limitations definitely ascertained." "From the standpoint of physiological chemistry it is highly desirable that the present very limited knowledge of the protein substances of flesh be increased." The desirability of a knowledge of the amino acid content of food proteins has led to much experimentation looking towards a method that will yield quantitative results without involving excessive time or manipulation …
An Abbreviated Scheme For The Detection Of Acid Radicals., Mary Pressley Smith
An Abbreviated Scheme For The Detection Of Acid Radicals., Mary Pressley Smith
Electronic Theses and Dissertations
In studying qualitative chemistry, two things impress you. The one being, the systematic, inclusive and generally accepted tables for the detection and identification of the several metals; the other, the lack of any agreement as to the method of the identification of acid radicals. The metal analysis tables are so well arranged and so true that even the inexperienced person finds little or no difficulty in working with them. But with the acid radicals, it is an entirely different proposition. There is no generally accepted grouping of the radicals into divisions, some text books giving as many as seven divisions …
Le Misanthrope., Henry William Lenz
Le Misanthrope., Henry William Lenz
Electronic Theses and Dissertations
The aim of this thesis is to show that there is found in this "noblest of comic masterpieces" an absorbing study of mankind and a profound knowledge of the human heart. It is In his work that man gives himself to the world; in his literary efforts he gives a vivid portrayal of himself, his real and inner self is splendidly revealed, though the merely material man is kept in the background. Bearing this in mind the writer has endeavored not so much to depict the character of Moliere, but, rather by an analytical process, to designate the elements which …
Motor Tests And Experiments In Light., Bennett Mattingly Brigman 1881-1938
Motor Tests And Experiments In Light., Bennett Mattingly Brigman 1881-1938
Electronic Theses and Dissertations
This experiment was performed by the use of a Spectrometer using the customary methods of measurements usually adopted for this work. Method "A" The telescope having a Gaussian eyepiece attachment, the telescope's cross-hairs are illuminated and reflected upon the two plane faces of a prism in succession. The angle through which the telescope is turned between the first and second face equals 180 degrees – A, where A is the angle of the prism. Method "B" The Collimator so placed that the slit is illuminated by a flame it falls upon both faces, being divided by the edge of the …
A Study To Determine The Best Method Of Treatment For A Certain Gold-Silver Ore, Deane Dwight Harris, Duane Montgomery Kline
A Study To Determine The Best Method Of Treatment For A Certain Gold-Silver Ore, Deane Dwight Harris, Duane Montgomery Kline
Bachelors Theses
"The purpose of this thesis is to find a suitable method for extracting the gold and the silver from an amalgamation tailing"--Purpose, page 1.
Some Assay Problems, James Howard Chase
Some Assay Problems, James Howard Chase
Bachelors Theses
"The object of this thesis is to attempt to solve a few of the many problems of assaying. Each problem is handled separately from, and independently of the others"--page 1.
A Study Of The Precipitation Of Iron Di-Sulphide And Its Relation To Certain Types Of Deposits, Vachel Harry Mcnutt
A Study Of The Precipitation Of Iron Di-Sulphide And Its Relation To Certain Types Of Deposits, Vachel Harry Mcnutt
Masters Theses
"Very few of the interesting points bearing upon the formation of iron di-sulphide will be treated in this paper. The laboratory tests made are considered to have been sufficiently thorough to substantiate the ideas set forth so that exhaustive tests were not necessary. While the field evidence was collected largely in the Joplin district of Missouri, the conclusions are sufficiently generalized to be applicable to any district in which pyrite and marcasite have been derived from cold solutions"--page 2.
Coal Washing, Mark S. Sheffer, Thomas Andrew Stroup
Coal Washing, Mark S. Sheffer, Thomas Andrew Stroup
Bachelors Theses
"The rapid growth of the coal washing industry in the United States during the past few years is characteristic of the general tendency toward more economical and efficient utilization of the natural resources, the washing of coal being a process of enrichment of one of the most necessary and widely used raw products. This industry is of great importance to the men engaged in mining of coal as well as to the community at large, and since it makes possible the use of originally poor coals, it conserves one of the natural resources absolutely essential for the progress of the …
The Measurement Of Compressed Air And Its Consumption In Rock Drills, Homer Kent Sherry, William Porri
The Measurement Of Compressed Air And Its Consumption In Rock Drills, Homer Kent Sherry, William Porri
Bachelors Theses
"The object of this thesis is to investigate the measurement of compressed air and to determine its consumption in rock drills. Our intention at first was to run more exhaustive tests on the drills, but due to the large amount of work necessary in rigging up the apparatus and computing results, we found it necessary to curtail our work to representative types of the hammer and the piston machines. We regret being unable to give more complete data in regard to the drills, but hope to point out fields for future work since, with the increased facilities now at hand, …
Statement Of Mining Costs In The Butte District Three Months Ending June First 1910, Clifford Leroy Conway, George Sylvester Thomas, George Francis Condon
Statement Of Mining Costs In The Butte District Three Months Ending June First 1910, Clifford Leroy Conway, George Sylvester Thomas, George Francis Condon
Bachelors Theses
"The following cost data were compiled from the monthly cost sheets of the several mines, through a period of three months, April, May and June 1910. These figures were obtained from the cost sheets of the Anaconda Copper Mining Co. and are exact in every instance. The scale of wages and the cost of supplies which prevailed during the period that these figures were created were as follows"--page 3.
The Determination Of The Settling Velocity Of Certain Minerals Common In Ore-Dressing, Oscar N. Bribach, Robert Winters Johnson
The Determination Of The Settling Velocity Of Certain Minerals Common In Ore-Dressing, Oscar N. Bribach, Robert Winters Johnson
Bachelors Theses
"The object of this thesis is to determine the settling velocity of certain minerals common in ore-dressing work. The minerals used in the experiments were marcasite and chert. These two minerals were chosen because there was a convenient supply of both from which pure and uniform particles could be obtained"--page 4.
Roasting Pyrite For Magnetism With Minimum Sulphur Volatilization, Dale Irwin Hayes, Clark Watson Wright
Roasting Pyrite For Magnetism With Minimum Sulphur Volatilization, Dale Irwin Hayes, Clark Watson Wright
Bachelors Theses
"In Wisconsin and other zinc mining districts the blende is frequently found associated with pyrite and marcasite. In the Wisconsin district, especially, the marcasite content of the mine-run ore is high being frequently equal to and in many cases greater than the sphalerite content. At time the marcasite and sphalerite together constitute as much as 25 or 30% of the min-run ore. The characteristic milling treatment of this ore is; first, hand-picking, and then over grizzlies, tromells, rougher and cleaner jigs. Owing to the fact that marcasite and sphalerite differ but slightly in specific gravity the jig concentrate obtained is …
Geology Of Beaver Quadrangle, Robert Justice Paulette, James Lawton Keelyn
Geology Of Beaver Quadrangle, Robert Justice Paulette, James Lawton Keelyn
Bachelors Theses
No abstract provided.
Fire Clays Of Phelps County, Arthur Harrison Cronk
Fire Clays Of Phelps County, Arthur Harrison Cronk
Bachelors Theses
No abstract provided.
Testing Explosives, Frank James Flynn, Miller Edward Willmott
Testing Explosives, Frank James Flynn, Miller Edward Willmott
Bachelors Theses
"The following tests and experiments were carried on to determine: first, the utility of a certain well known method of making comparative tests of explosives and second; to show some of the conditions that influence the force and effect of a blast, such as the size of detonator, the use of tamping, the size of bore hole, and the size and number of free faces exposed to the blast"--Introduction, page 1.
The Design Of A Water Supply Distributing System For The City Of St. James, Missouri, Arch W. Naylor, John Hurtgen
The Design Of A Water Supply Distributing System For The City Of St. James, Missouri, Arch W. Naylor, John Hurtgen
Bachelors Theses
"The design of the distributing system, being governed by the fire requirements, it is proposed to provide three 250-gallon fire streams under a hydrant pressure of 70 pounds per square inch for the business section, from Scioto St. to Bowman St and from Seymour St. to Meramec St with a maximum length of hose of six hundred feet; and two fire streams of a minimum total capacity of 425 gallons, each under a hydrant pressure of 72 pounds per square inch for the outlying district; the water to enter the system under a pressure of 100 pounds per square inch... …
A Comparison Of The Silver Losses Due To Cupellation Using Different Kinds Of Cupels, Martin Harmon Thornberry
A Comparison Of The Silver Losses Due To Cupellation Using Different Kinds Of Cupels, Martin Harmon Thornberry
Bachelors Theses
"In this Thesis my object has been to ascertain the silver losses in cupellation with different kinds of cupel material, thereby determining the effeciency sic of the materials in the four kinds of cupels used. When I began the work I though the losses would be about equal in all cupels, but was surprised to find such a great difference. I refer the reader to the curves to see what really happened"--page i.
Efficiency Of The Missouri School Of Mines Power Plant And Cost Of Operation, Cairy C. Conover, John Richardson Kenney, Louie Lincoln Coover
Efficiency Of The Missouri School Of Mines Power Plant And Cost Of Operation, Cairy C. Conover, John Richardson Kenney, Louie Lincoln Coover
Bachelors Theses
"These tests were made for the purpose of getting the efficiency of the electric power plant as it was being run and the cost of operating it. Tests were first made on the boilers separately. The load at the time of the test was too heavy for one boiler and too light for tow, part of the steam being used for heating the buildings and for the air-compressor. This made it so that no combined test of the boilers and generating couple could be made until the warm weather came and the laboratories using compressed air were closed, which was …
Efficiency Of The Missouri School Of Mines Power Plant, Eugene Harding Broughton, William Henry Elbelt
Efficiency Of The Missouri School Of Mines Power Plant, Eugene Harding Broughton, William Henry Elbelt
Bachelors Theses
"The test was made for the purpose of determining the efficiency of the power plant as it is being run"--page 3.
A Determination Of The Steam Consumption In The Engines Of The School Of Mines Power Plant By Means Of A Steam Flow-Meter, Harold Percy Ford, Scovill Edward Hollister
A Determination Of The Steam Consumption In The Engines Of The School Of Mines Power Plant By Means Of A Steam Flow-Meter, Harold Percy Ford, Scovill Edward Hollister
Bachelors Theses
No abstract provided.
The Effect Of Aluminum On Bronze, Edward Dale Lynton
The Effect Of Aluminum On Bronze, Edward Dale Lynton
Bachelors Theses
"The object of this thesis is to determine the effect of aluminium sic on bronze and find the best composition for commercial use"--Object, page 3.
The Geology Of A Complexly Folded Area On Crooked Creek, In Crawford County, Missouril, Victor Harmon Hughes
The Geology Of A Complexly Folded Area On Crooked Creek, In Crawford County, Missouril, Victor Harmon Hughes
Professional Degree Theses
"The area comprising the subject of this thesis lies in the southwestern part of Crawford county, 2 1/2 miles east of Wesco and 12 miles south of Steelville, the county seat. It embraces all of sections 17 and 20 and portions of sections 7, 8, 16, 18, 19, and 21, township 36 north, range 4 west. The area is of special economic interest in that the formations exposed are the same as those occurring in the southeastern Disseminated Lead district of St. Francois, Madison, and Washington counties. Until discovered in 1910 by assistants of the Geological Survey, these formations were …
The Effect Of Steam As A Combustion Retarding Agent In The Gasification Of Crude Oil By Partial Combustion, Harry Adam Grine
The Effect Of Steam As A Combustion Retarding Agent In The Gasification Of Crude Oil By Partial Combustion, Harry Adam Grine
Professional Degree Theses
"Investigations of the effect of steam used as a combustion retarding agent to prevent the formation of free carbon, or lamp black by-product in the gasification of crude oil by partial combustion to make producer gas"--page ii.