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Articles 10861 - 10890 of 10900
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Technical Analysis Of Corn Products, Roy Hayward Dewaters
Technical Analysis Of Corn Products, Roy Hayward Dewaters
Bachelors Theses
"This thesis treats of the technical analysis of the products of corn as used in practical work in the manufacture of starch and glucose. These notes are the results of special investigation carried on along this line"--page 1.
The Construction Of The United States Macadam Road At Fort Scott, Kansas, William Mcelroy
The Construction Of The United States Macadam Road At Fort Scott, Kansas, William Mcelroy
Bachelors Theses
No abstract provided.
The Oil Industry Of The Coalinga Field, A. Emory Wishon
The Oil Industry Of The Coalinga Field, A. Emory Wishon
Bachelors Theses
No abstract provided.
Copper Smelting In A Rotary Furnace With Pulverized Charcoal, Elmer Cooper Heck
Copper Smelting In A Rotary Furnace With Pulverized Charcoal, Elmer Cooper Heck
Professional Degree Theses
"This process is in use at the Verde Grande Copper Company's plant, located thirty-two miles north west of Hermosillo in the state of Sonora, Republic of Mexico, and is yet experimental"--page 1.
Tests Of Efficiency Of The Rolla Power Plant, Ward Barr Mix, Edwin Bryant Thornhill, George Fred Kellogg, Clyde Rex Wood
Tests Of Efficiency Of The Rolla Power Plant, Ward Barr Mix, Edwin Bryant Thornhill, George Fred Kellogg, Clyde Rex Wood
Bachelors Theses
"The object of the test was to determine the efficiency of the separate units and of the plant as a whole under actual normal working conditions"--Object, page 1.
Mining And Milling Of A Low Grade Copper Ore, Richard Edward Armstrong, Horace Asahel Johnson
Mining And Milling Of A Low Grade Copper Ore, Richard Edward Armstrong, Horace Asahel Johnson
Bachelors Theses
No abstract provided.
The Development Of A Lead, Zinc Prospect, Felix Anthony Lyneman
The Development Of A Lead, Zinc Prospect, Felix Anthony Lyneman
Bachelors Theses
"The writer's object in this thesis is to devise a method of mining the ores from a well-known Chitwood Prospect, Jasper Co., Mo., so that the same will pay dividends"--Object, page 1.
The Effect Of Certain Minerals Upon The Volatilization Of Silver Chloride, Boyd Dudley Jr.
The Effect Of Certain Minerals Upon The Volatilization Of Silver Chloride, Boyd Dudley Jr.
Bachelors Theses
"The work undertaken in this investigation was first suggested in connection with the analytical determination of Silver and Chlorine by weighing silver chloride. Later, however, the experiments assumed a metallurgical character. The final purpose of the experiments was to determine the effect of a few of the common mineral constituents of ores on the loss of silver during a chloridizing roast. In the metallurgy of silver it is frequently necessary to change the silver bearing minerals into silver chloride"--page 1.
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.
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.
Meridian-Projecting Instruments And Methods, Albert Babbitt Bartlett
Meridian-Projecting Instruments And Methods, Albert Babbitt Bartlett
Bachelors Theses
"The writer's attention was called to the necessity of knowing the accuracy attainable in surveying which must depend upon the Meridian, and therefore be subject to the accuracy of it, in seeking information by which to decide what would be the most desirable transit to use in the West, particularly for United States Deputy Mineral Surveying. Descriptions of the manipulation, adjustments, and the cost, etc., of the various appliances are plentiful in the text-books on surveying and in the various catalogues; but there was no very definite information in regard to the actual probable and average accuracy, especially in the …
Lime Roasting Of A Galena Concentrate With Subsequent Smelting In The Blast Furnace, Aubrey P. Fellows, Tsik Chan Tseung, James Carter Long, Edwin Richard Wash
Lime Roasting Of A Galena Concentrate With Subsequent Smelting In The Blast Furnace, Aubrey P. Fellows, Tsik Chan Tseung, James Carter Long, Edwin Richard Wash
Bachelors Theses
"Having on hand a quantity of Galena concentrates, which we wished to treat in the blastfurnace accompanied by a usual previous roast, but having no reverberatory furnace, we decided to experiment upon the ore with lime roasting as invented by Savelsbury, to see if it was practicable"--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 …
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.
The Reaction Velocity Of Ethylene And Iodine, Herbert Arno Roesler
The Reaction Velocity Of Ethylene And Iodine, Herbert Arno Roesler
Professional Degree Theses
"The constituents of coal or enriched water gas which give it value as a light producer are known collectively as "illuminants". They consist essentially of ethylene and propylene and in the analysis are determined by means of fuming sulphuric acid. This method of determination is very unsatisfactory as it is impossible to ascertain the relative percentages of the two gases, only the total being found. A series of experiments were made, for the purpose of finding a reagent that could be used for separating the members of the illuminating group and while thus engaged, a solution of iodine in potassium …
Copper Mining At Cananea, Sonora, Mexico, Albert Hill Fay
Copper Mining At Cananea, Sonora, Mexico, Albert Hill Fay
Professional Degree Theses
"Fifty miles southwest of Bisbee, Arizona, is one of the largest copper mines in the world, - a mine which six years ago was in the throes of the prospecting, developing, and litigation periods, and now turning out over five million pounds of copper bullion per month. This property is located at Cananea, District of Arizpe, sonora, Mexico, and is owned and controlled by the cananea Consolidated Copper Co. S.A. It is situated upon the northeast slope of a short range of mountains from which the town of Cananea derives its name. The port of entry for this part of …
An Investigation Of The Chemical And Metallurgical Treatment Of A Cobalt And Nickel Ore, James Watts Caples
An Investigation Of The Chemical And Metallurgical Treatment Of A Cobalt And Nickel Ore, James Watts Caples
Bachelors Theses
"The ore, coming from a district located one hundred and fifteen miles from the nearest railroad point, in a mountainous country, barren of coal, and where freight rates were enormous; demanded a method of treatment not now in general use upon this class of ores, and one that would require as little freight haulage either way, as possible. With these object in view, the following work was done, after reading all the data obtainable upon the subject as found in the school library"--Introductory, page 1.
Report Of Coal Prospect, And Subsequent Development, John Adrian Garcia
Report Of Coal Prospect, And Subsequent Development, John Adrian Garcia
Professional Degree Theses
"In the fall of 1901, the writer was engaged by the Republic Coal Mining Company of Aurora Springs, Miller County, Missouri, as Engineer in charge of operations connected with the opening up of their coal mine. The data in this report was never submitted to the owners of the property, because of a request from them that the work of opening up be pushed as rapidly as possible, and [the] mine be put in condition to ship coal; and because the data embraced facts already known to the management, who were determined to open the property regardless of the evidence …
Aluminum As A Commercial Conductor Of Electric Energy, George Edwin Lyman, Edward J. Morris
Aluminum As A Commercial Conductor Of Electric Energy, George Edwin Lyman, Edward J. Morris
Bachelors Theses
"In considering the adaptability of any metal to serve as a distributing agent of electrical energy, the investigation must shape itself along three lines, viz, - the electrical, the physical and the chemical properties which the metal may possess. Evidently a deficiency in any of these properties, if serious, will debar it from successfully coping in the market with its competitors. A metal may have excellent conductivity and its behavior electrically may be thoroughly satisfactory, but if it lacks strength, physically, or ability to resist the destructive forces of the atmosphere, chemically, it is obviously inadaquate sic to serve as …
The Sinking Of Piers On Red River Bridge On Kansas City Southern Ry., Albert Spengler
The Sinking Of Piers On Red River Bridge On Kansas City Southern Ry., Albert Spengler
Bachelors Theses
"In September, 1899, began the work on the construction of the substructure for the Red River Bridge for the Kansas City Southern Railway at Index, Texas, ten miles north of Texarkana, Texas. The new substructure was located about one hundred feet up stream from the old one, consequently it was not necessary to maintain traffic during construction. The object of the new bridge was to replace a much lighter one, which was too light for the increased weight of rolling stock of the railroad company. The substructure consists of seven piers, including a pivot pier, and two abutments. The seven …
Railroad Location, George P. Woodhall
The Determination Of Aluminium, Victor Hugo Gottschalk
The Determination Of Aluminium, Victor Hugo Gottschalk
Masters Theses
No abstract provided.
Some Quantitative Experiments On The Electro-Deposition Of Copper, Jerrold Roscoe Underwood
Some Quantitative Experiments On The Electro-Deposition Of Copper, Jerrold Roscoe Underwood
Bachelors Theses
"The object of these experiments was to determine in a quantitative way the effect or effects, if any, of these various metals on the purity of the copper precipitated electrolytically. The material worked with was from a copper anode from ( ) carrying a silver, a trace of gold, arsenic and antimony as well as other metalic sic impurities"--Object, page 1.
Assay Of Copper Matte For Gold And Silver, Walter E. Soest
Assay Of Copper Matte For Gold And Silver, Walter E. Soest
Bachelors Theses
"Ores containing copper, and especially copper matte, have always been very annoying in assaying for the precious metals. In assaying copper matte, and ores containing much copper, by the usual method of scorification, the losses of silver an gold are considerable, owing to the fact that in order to obtain lead buttons, which are soft and free from copper, repeated scorifications are necessary, and moreover it is impossible to obtain lead buttons which are entirely free from copper"--page 1.
The Strength Of Cement Under Different Conditions, Francis Joseph Tayman
The Strength Of Cement Under Different Conditions, Francis Joseph Tayman
Bachelors Theses
"Derivation of some Empirical Formulae, showing relation between breaking strength, and various functions which enter into Cement testing. We find a great deal of experimental work done in Cement testing, also some curves plotted, but there are but few equations fitted to these curves, this, then, is the object of the present work. In this work a great many interesting points have been made manifest, most of them are of no practical value but merely of interest in themselves. The work has been on several of the most important ones, to be given subsequently. On these and a few others …
Studies In Tellurium, Victor Hugo Gottschalk
The Electrolysis Of The Water Of A Copper Sulphate Solution, Ralph Barker
The Electrolysis Of The Water Of A Copper Sulphate Solution, Ralph Barker
Bachelors Theses
"The idea prevails generally, that when an electric current is passed through a copper sulphate solution, the water will be electrolysed sic when the difference of potential between the electrodes reaches about one and one-half volts. The object of the experiments detailed below was to determine whether or not the density of the solution has any effect on the electrolysis of the water, and if any such existed, to find out if there was any relation between them"--page 1.
Derivation Of Some Empirical Formulae, Showing Relation Between Breaking Strength And Various Functions Which Enter Into Cement Testing, Arthur D. Terrell
Derivation Of Some Empirical Formulae, Showing Relation Between Breaking Strength And Various Functions Which Enter Into Cement Testing, Arthur D. Terrell
Bachelors Theses
"Although we find a great many results of experimental work in cement testing, and some curves plotted, there seems to have been very little attempt made toward fitting equations to these curves. This then leaves an opening for original investigation. During my experiments quite a variety of interesting points have been made manifest. Most of them are of no practical benefit, but merely of interest in themselves. My work has been on a few of the most important ones, which will be given subsequently"--page 1.
Design Of A 240' Through Span Railroad Bridge: Including Analysis Of Stresses Due To Concentrated Wheel Loads, Design Of Individual Members, And Drawings Showing Stresses, And Details, L. C. Torrence
Bachelors Theses
"The Span length will be 240' center to center of end pins. Truss to be square ended, Track straight. Live load to consist of two engines, concentrating 289 tons over a length of 104' followed by a uniform train of 2.1 tons per linear foot"--Page 1.
Extraction Of Silver By The Wet Way, Justo Garcia Martinez
Extraction Of Silver By The Wet Way, Justo Garcia Martinez
Bachelors Theses
"The great variety of ores in which silver occurs, usually makes it necessary to employ complicated processes for its extraction.
The extraction of the precious metal admits of two general processes viz. The Dry, and Wet Way and as I have chosen the latter for the subject of my thesis, we will be dispensed with the Dry Way, and will try and give all the processes and forms in which silver is extracted by the Wet Way"--page 1.