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Articles 715921 - 715950 of 716929
Full-Text Articles in Entire DC Network
Alternating Currents, Arthur W. Webb, Evan John Macilraith
Alternating Currents, Arthur W. Webb, Evan John Macilraith
Undergraduate Theses and Senior Projects
No abstract provided.
Process Of Treating Slimes In Ore Reduction, Gustavus A. Duncan
Process Of Treating Slimes In Ore Reduction, Gustavus A. Duncan
Professional Degree Theses
No abstract provided.
The Composition And Analysis Of Zinc-Lead Pigment, Evans Walker Buskett
The Composition And Analysis Of Zinc-Lead Pigment, Evans Walker Buskett
Professional Degree Theses
"Zinc is present as oxide and sulphate. There are also probably zinc and lead sulphites. It has been suggested that there may be carbonates in this pigment, but this is not probable as the high temperature of the furnace, the complete combustion of the fuel to CO2 and the large excess of SO2 gas in the bagroom would tend to prevent their formation. There is also a chemical combination between the zinc oxide and the lead oxide which is probably a zinc plumbate. Some light can be thrown on the subject by the following experiments:"--page 1.
Efficiency Of Mill Practice In The Joplin District, Ira Lee Wright
Efficiency Of Mill Practice In The Joplin District, Ira Lee Wright
Bachelors Theses
"Milling in the Joplin District is, compared with the practice in other zinc fields, seemingly very crude. To one unacquainted with the peculiar conditions of this district, the amount of ore which goes into the tailing pile seems unnecessarily high. There are several things which account for the low saving made"--page 1.
Treatment Of A Low Grade Gold Ore, Paul Richardson Cook, Sakuhei Sunada, Arnold George Baker
Treatment Of A Low Grade Gold Ore, Paul Richardson Cook, Sakuhei Sunada, Arnold George Baker
Bachelors Theses
No abstract provided.
Plans, Estimates And Specifications For A Sewer System For The City Of Plattsburg, Eldon E. Cook, William C. Perkins
Plans, Estimates And Specifications For A Sewer System For The City Of Plattsburg, Eldon E. Cook, William C. Perkins
Bachelors Theses
"Plattsburg, Missouri is a thriving city of about two thousand population. It is situated in the heart of the most fertile Missouri land. Three railroads - Atchison, Topeka and Santa Fe.; Chicago, Rock Island and Pacific; Quincy, Omaha and Kansas City - give easy access to St. Joseph, thirty miles distant, Leavenworth forty miles, or Kansas City, forty-one miles; respectively. The city is growing steadily and will in a few years be of such size that a sewage system will be necessary. We therefore submit the following plans, specifications and estimates. Since the city could not afford both Stone Sewers …
Graphical Representation Of Compressed Air Formulae, John Thomas Vitt, Paul Andrew Philippi
Graphical Representation Of Compressed Air Formulae, John Thomas Vitt, Paul Andrew Philippi
Bachelors Theses
"Air during compression and expansion obeys the same laws as do other gases and these laws have been mathematically stated by purely rational formulae. Most of these formulae are logarithmic and their use involves a considerable amount of work. The object of this thesis is to present these formulae in such form that problems involving their use may be readily and easily solved. It was decided to present them graphically and the accompanying curves are the results of our labors"--page 1.
An Investigation Of The Treatment Of A Silver Ore By Lixiviation With Sodium And Cuprous Thiosulphate Solutions, Elston Everett Jones
An Investigation Of The Treatment Of A Silver Ore By Lixiviation With Sodium And Cuprous Thiosulphate Solutions, Elston Everett Jones
Bachelors Theses
"The object of this investigation is to find whether the ore can be treated with profit by lixiviation and to find the best conditions for maximum extraction"--page 1.
Design Of A Hydro-Electric Lighting Plant, John Emil Inberg
Design Of A Hydro-Electric Lighting Plant, John Emil Inberg
Undergraduate Theses and Senior Projects
No abstract provided.
The Evolution Of Jefferson Davis As A Political Leader, Sveinbjorn Johnson
The Evolution Of Jefferson Davis As A Political Leader, Sveinbjorn Johnson
Theses and Dissertations
No abstract provided.
The Influence Of Old Norse Literature On English Literature In The 18th And 19th Centuries, Martin Brown Ruud
The Influence Of Old Norse Literature On English Literature In The 18th And 19th Centuries, Martin Brown Ruud
Theses and Dissertations
No abstract provided.
Embryology And Evolution, Malo Marius Amunson
Embryology And Evolution, Malo Marius Amunson
Manuscript Thesis Collection
The proofs of evolution must be sought in the entire field of science. Direct proof is found in the study of Morphology, whose bases are comparative anatomy; embryology; in the study of paleontology, of geology, of geographical distribution, in the study of nature and experiments of today. In this vast field of direct proofs of evolution it is our purpose to present some of the evidences of evolution as furnished by one of these, namely, Comparative Embryology.
Juvenile Deliquency In Worcester, Mass., Albert Heyem Nachmen Baron
Juvenile Deliquency In Worcester, Mass., Albert Heyem Nachmen Baron
Historical Dissertations & Theses
The city of Worcester, Massachusetts is in the list of middle-sized cities. It now (in 1906) has a population of over 130,000 and may be taken as a representative manufacturing city. As a concrete local study, the present investigation of juvenile delinquency in Worcester has been undertaken with this three-fold object in view -- to ascertain -- 1st, the extent and character of juvenile offenses; 2nd, the present mode of dealing with them; and 3rd, the changes or improvements that might be suggested by a comparison with the methods in vogue elsewhere. The data here presented have been obtained from …
The History Of The Pharises, George Watson Hemry
The History Of The Pharises, George Watson Hemry
Manuscript Thesis Collection
No abstract provided.
The Commercial Preparation Of Baryta, Ray Fleming Rucker, Damon Duffield Dunkin
The Commercial Preparation Of Baryta, Ray Fleming Rucker, Damon Duffield Dunkin
Bachelors Theses
"The object of this investigation was to ascertain in a general way the methods employed at the present time in mining, milling and leaching baryta, and the commercial uses to which the product is put, with the idea in view of improving these methods and encouraging a more extended use of the product if possible"--page 1.
Furnace Calculations, John Mcmillen Brooks
Furnace Calculations, John Mcmillen Brooks
Bachelors Theses
"A furnace that will smelt a given amount of material per twenty-four hours, to dimension parts, and finally draw the complete plans. Copper Matting Furnace"--Problem, page 1.
Copper Matting Blast Furnace Run, John Vivian Stevens, Frank Bowman Powell, John Dozier Shanks
Copper Matting Blast Furnace Run, John Vivian Stevens, Frank Bowman Powell, John Dozier Shanks
Bachelors Theses
"The theory of the copper blast furnace run having been given us in the class room, we wishing to familiarize ourselves with the practical processes and the difficulties involved, selected it as the basis of an investigation of which the following is a correct report. The original ore was a high grade copper sulphide from the Ducktown, Tenn. district to which was added some heavy pyritic ore from various quarters. The latter was added to furnish the iron oxide necessary as a flux in the blast furnace and sulphur in sufficient amount to make the ore self roasting when charged …
Plans And Estimates For The Disposal Of Sewage And Storm Water For The City Of Rolla, Mo., Tracy Irwin Phelps, Robert Arthur Barton
Plans And Estimates For The Disposal Of Sewage And Storm Water For The City Of Rolla, Mo., Tracy Irwin Phelps, Robert Arthur Barton
Bachelors Theses
"The City of Rolla is the county seat of Phelps County, situated 111 miles southwest of St. Louis, on the St. Louis and San Francisco R.R. This thriving city of 2000 inhabitants already owns the electric lighting system, and has engineers working upon plans for a deep well water supply system. Since the sanitary conditions are not the best and a water supply is to be installed, we submit these plans and estimates for a "Disposal of Sewage and Storm Water."--page iii.
Treatment Of A Mexican Copper Ore, Harold Thomas Mapes, Robert Hardy Bedford
Treatment Of A Mexican Copper Ore, Harold Thomas Mapes, Robert Hardy Bedford
Bachelors Theses
"The ore to be treated consists of a sulphide carrying some metallic copper"--page 1.
Report And Preliminary Estimate For A Sewerage System For Lebanon, Mo., Ramon Rivera
Report And Preliminary Estimate For A Sewerage System For Lebanon, Mo., Ramon Rivera
Bachelors Theses
No abstract provided.
Report On Polaris Mine, Stanley Ralston Moore
A Special Investigation In Concrete Steel And Application To Square Set System, Horace Alonzo Hand
A Special Investigation In Concrete Steel And Application To Square Set System, Horace Alonzo Hand
Bachelors Theses
"This investigation has been prompted, first, by a desire to become more familiar with concrete-steel in its general application to engineering construction, second, by the inevitable necessity of a substitute in the near future for lumber in mining construction. In first case, a thorough review has been made of principles and practice in the construction of concrete-steel structures in general, including bridges, water towers, reservoirs, viaducts, etc., as found in current engineering journals, which is the most up-to-date source of information available. Special attention has been given to best practice in reinforcing concrete to resist forces of bending, shearing, torsion …
Treatment Of Joplin Tailings, Preston King Horner
Treatment Of Joplin Tailings, Preston King Horner
Bachelors Theses
"In the Joplin region are enormous piles of tailings, that for waste material, run very high in blende. This is due mainly to the temporary character of the mills which are built with more regard to low first cost than to receiving a high percentage of extraction. As a result we have some piles of tailings containing from 200,000 to 300,000 tons of materials that will average from about 2 to 3% zinc, and all crushed so as to pass through about #2 mesh"--Page 1.
Methods Of Gas Engine Design, Mark L. Lovell
Methods Of Gas Engine Design, Mark L. Lovell
Undergraduate Theses and Senior Projects
No abstract provided.
Breaking Down The Barriers: Existing Obstacles And Promising Practices That Influence Participation In The Summer Nutrition Programs, Caitlin Murphy
Breaking Down The Barriers: Existing Obstacles And Promising Practices That Influence Participation In The Summer Nutrition Programs, Caitlin Murphy
Washington Semester Program
No abstract provided.
What Accounts For The United States Government's Delayed And Ineffective Response To The West African Ebola Crisis, Matthew Heffner
What Accounts For The United States Government's Delayed And Ineffective Response To The West African Ebola Crisis, Matthew Heffner
Washington Semester Program
No abstract provided.
Mass Shootings And The National Rifle Association, Barry Sawtelle Quinn
Mass Shootings And The National Rifle Association, Barry Sawtelle Quinn
Washington Semester Program
No abstract provided.
A League Of Their Own: How The Political And Economic Realities Of Student Debt Are Changing The College Culture, Brett Gannon
A League Of Their Own: How The Political And Economic Realities Of Student Debt Are Changing The College Culture, Brett Gannon
Washington Semester Program
No abstract provided.
The Golden Door?: Unaccompanied Alien Children In America's Immigration System, Jacob Medina
The Golden Door?: Unaccompanied Alien Children In America's Immigration System, Jacob Medina
Washington Semester Program
No abstract provided.
Justice With Compassion: The Christian Response To Mass Incarceration And U.S. Drug Policy, Ben Schweitzer
Justice With Compassion: The Christian Response To Mass Incarceration And U.S. Drug Policy, Ben Schweitzer
Washington Semester Program
No abstract provided.