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Articles 1951 - 1980 of 2344
Full-Text Articles in Other Engineering
The Accessory Minerals Of Some Granitic Rocks Of The Boulder Batholith, Robert T. Donahue
The Accessory Minerals Of Some Granitic Rocks Of The Boulder Batholith, Robert T. Donahue
Bachelors Theses and Reports, 1928 - 1970
Although the position of the Boulder batholith in space and time is well known, the modes of occurrence of various rock types and the inter-relationships between the petrographic types are not known in detail.
The Mechanical Production Of Zinc Dust, Charles A. Schroer
The Mechanical Production Of Zinc Dust, Charles A. Schroer
Bachelors Theses and Reports, 1928 - 1970
The object of this thesis is to produce zinc dust suitable for zinc leach purification, by direct application of a mechanical force on a stream of molten zinc.The project is a continuation of work done by Mr. D. S. Gleason, while working for his Master of Science degree in the spring of 1952.
Flotation Of Huebnerite, Henry Albright
Flotation Of Huebnerite, Henry Albright
Bachelors Theses and Reports, 1928 - 1970
The development of suitable beneficiation processes for treating domestic low-grade tungsten ores is a problem now facing the mineral industry. While we are now consuming more tungsten than normally because of the defense program, we are no longer able to import ores from the world's principal source, China. The problem then, is to increase our domestic production so as to acquire a greater degree of self-sufficiency.
The Construction Of An X-Ray Camera, Emil Bazarnicki
The Construction Of An X-Ray Camera, Emil Bazarnicki
Bachelors Theses and Reports, 1928 - 1970
The major portion of the construction of the X-ray camera was performed in the machine shop of Montana School of Mines. However, some machine work had to be accomplished in the Butte High Machine Shop, as well as in the machine shop of the Anaconda Copper Mining Company.
Protective Refractory Coatings On Titanium Metal, Eugene F. Gibbs
Protective Refractory Coatings On Titanium Metal, Eugene F. Gibbs
Bachelors Theses and Reports, 1928 - 1970
The problem undertaken in this thesis concerns the development of a newer phase of metallurgy, namely the adaption of the strong, lightweight metal titanium to high-temperature uses. The primary objective of the investigation is to determine whether the application of refractory coatings to titanium will protect the metal from chemical reactions and corrosion at high temperatures.
The Birdie Mine Tungsten Deposit Butte Mining District, Silverbow County, Montana, Bernard A. Fahm
The Birdie Mine Tungsten Deposit Butte Mining District, Silverbow County, Montana, Bernard A. Fahm
Bachelors Theses and Reports, 1928 - 1970
The importance of tungsten has encouraged the search for minerals of this metal, and consequently new deposits have been discovered, and known deposits have been re-examined. Western Montana has rather widespread deposits if low-grade types are also considered. Many deposits were known long ago, but abandoned because the use of tungsten was still in its beginning stage and therefore little attention was given to this type of mineral.
Geological Problems At Kerr Dam Lake County, Montana, Roger C. Rice
Geological Problems At Kerr Dam Lake County, Montana, Roger C. Rice
Bachelors Theses and Reports, 1928 - 1970
With an increased demand for power in Montana and surrounding territory, there is a need for existing power installations to produce more hydro-electric power. Kerr Dam, Lake County, Montana has been one of the dams selected for added output.The existing dam and power house installation with its two hydro-electric was finished in 1938, and has been producing power ever since.
The Occurrence Of Molybdenite In The United States, Alaska, Canada, And Newfoundland, Richard W. Brummett
The Occurrence Of Molybdenite In The United States, Alaska, Canada, And Newfoundland, Richard W. Brummett
Bachelors Theses and Reports, 1928 - 1970
In this study of molybdenite and its occurrence, the published literature on 66 separate deposits was reviewed, summarized, and coordinated. The following descriptions are intended to point out the important features of molybdenite occurrences as described in the literature.
The Immersion Coating Of Indium Upon Magnesium From Sulphate Solutions Containing Flourides, John J. Harrington
The Immersion Coating Of Indium Upon Magnesium From Sulphate Solutions Containing Flourides, John J. Harrington
Bachelors Theses and Reports, 1928 - 1970
The thesis problem that will be discussed in this report is an investigation of a method of plating a coating of indium upon magnesium and magnesium alloys. The method used to accomplish the final results is the immersion process. It can be defined as the process of coating a metal with a second metal by immersing the first in a solution containing ions of the second.
Variation Of Induction And Hysteresis Curves For The Heusler Alloy, Cu2mna1, Ford W. Knight
Variation Of Induction And Hysteresis Curves For The Heusler Alloy, Cu2mna1, Ford W. Knight
Bachelors Theses and Reports, 1928 - 1970
The purpose of this investigation is to determine the fundamental magnetic characteristics of induction and hysteresis, for the alloy Cu2MnAl. This is a ternary, ferromagnetic Heusler alloy. The problem is not only to determine these characteristics for the alloy as-cast but to heat treat it and observe the manner in which different heat treatments affect these two fundamental magnetic characteristics.
The Effect Of Ferric Iron Upon The Current Efficiency And The Deposition Of Copper In The Electrowinning Of Copper From Copper Sulphate Solutions, James L. Owings
The Effect Of Ferric Iron Upon The Current Efficiency And The Deposition Of Copper In The Electrowinning Of Copper From Copper Sulphate Solutions, James L. Owings
Bachelors Theses and Reports, 1928 - 1970
In the hydrometallurgy of copper, probably the most widely used method for the precipitation of copper is by electrolysis using insoluble anodes. The process is similar in many respects to the electrolytic refining of copper; one of the main differences is the use of insoluble anodes in electrowinning as compared to the use of impure copper anodes in electrorefining. Impurities, however, are common to both processes. The nature of these impurities differ and the problem of purifying the electrolyte is also different.
Electrowinning Of Zinc By Mercury Cathode, Tor O. Notevarp
Electrowinning Of Zinc By Mercury Cathode, Tor O. Notevarp
Bachelors Theses and Reports, 1928 - 1970
The problem was the investigation of electrowinning of zinc by using a mercury cathode, employing a neutral solution of zinc sulphate and containing small amounts of zinc, in the order of ten grams zinc per liter and less. The purpose of this study was on the base of the laboratory experiments to investigate the operational data that might possibly be applied in practice or industry.
The Mechanical Production Of Zinc Dust, Robert F. Payne
The Mechanical Production Of Zinc Dust, Robert F. Payne
Bachelors Theses and Reports, 1928 - 1970
It was the purpose of this investigation to delve further into the possibility of producing, by mechanical means, a zinc dust which might be suitable for the purification of zinc leach solution.
The Metallography Of Aluminum Casting Alloys, Donald D. Goehler
The Metallography Of Aluminum Casting Alloys, Donald D. Goehler
Bachelors Theses and Reports, 1928 - 1970
The purpose of this thesis is to supply the Montana School of Mines with an up to date source of information concerning the metallography of aluminum casting alloys. This thesis is designed as a continuing project. Ultimately, it is hoped that a catalog containing all the typical structures of aluminum casting alloys will develop.
The Effect Of Iron Upon The Electrowinning Of Copper With An Amalgam Electrode, John A. Alexander
The Effect Of Iron Upon The Electrowinning Of Copper With An Amalgam Electrode, John A. Alexander
Bachelors Theses and Reports, 1928 - 1970
Current commercial use of the mercury cathode cell is limited to two types of electrolytic sodium cells-the Castner cell and the Sorenson cell. Mercury as a cathode medium has also found application in polarographic analysis, a method of a simultaneous quantitative and qualitative analysis of several metal components of solution.
An Investigation Of The Hardening Properties Of Some Alpha Copper Indium Alloys, Charles W. Mcpherson
An Investigation Of The Hardening Properties Of Some Alpha Copper Indium Alloys, Charles W. Mcpherson
Bachelors Theses and Reports, 1928 - 1970
Precipitation hardening alloys has assumed a major role in modern day development of alloys. In his search for stronger, harder materials, the metallurgist has often been limited by the cost of metals which posses the needed properties.
Electroplating Of Chromium, Nickel And Copper Upon Titanium, Stanley O. Fong
Electroplating Of Chromium, Nickel And Copper Upon Titanium, Stanley O. Fong
Bachelors Theses and Reports, 1928 - 1970
Recently, there has been a great amount of research work done on the metal titanium. Since it is a light weight metal, with unusual strength and good resistance to corrosion, it may be a possible substitute for aluminum and magnesium alloys, or steel.
An Attempted Determination Of The Approximate Chemical Composition Of The Livingston Volcanics By The Fused Bead Technique, Robert D. Geach
An Attempted Determination Of The Approximate Chemical Composition Of The Livingston Volcanics By The Fused Bead Technique, Robert D. Geach
Bachelors Theses and Reports, 1928 - 1970
Many fine-grained igneous rocks, basaltic and felsitic in character, are difficult to classify. In numerous cases, it is impossible to classify these types of rocks by quick methods of identification. It was hoped at the beginning of this study that refractive indices of glasses formed by quick artificial fusion of samples from selected suites of igneous rocks would show a close correlation in chemical composition.
Dispersing Agents In The Pipette Method Of Soil Analysis, Eugene W. Price
Dispersing Agents In The Pipette Method Of Soil Analysis, Eugene W. Price
Bachelors Theses and Reports, 1928 - 1970
For many years the study of sediments has been a major problem in the field of geology. Especially is this true of the branch of sedimentology known as grain-size distribution. Throughout the years many classical experiments have been performed and procedures evolved from them, all with the purpose of a better and easier determination of the grain-size distribution of fine sediments, particularly the clays.
An Early Tertiary Stream Channel Between Fish And Pipestone Creeks, Ten Miles West Of Whitehall, Montana, Henry D. Olson
An Early Tertiary Stream Channel Between Fish And Pipestone Creeks, Ten Miles West Of Whitehall, Montana, Henry D. Olson
Bachelors Theses and Reports, 1928 - 1970
Driving between Butte, and Whitehall, Montana, on highway U.S. 10S, one observes an interesting phenomenon in the lower end of Little Pipestone Creek canyon. One side and the bottom of the canyon is cut inthe hard igneous rocks of the Boulder Batholith, and the other side of the canyon is made of unconsolidated sand, gravel, and cobbles.
Foreign Firing Table Ft-F-50, Soviet Gun, Tank, 100mm, Model 1944, (Д-10); Gun, Tank, 85mm, Model 1944 (Zis-S53); Gun, Tank, 76mm, Model 1941, (Zis-5) Firing 100mm Fragmentation High Explosive Shell Oф-412; 100mm Armor Piercing Tracer Shell Бp-412; 85mm Fragmentation Shell O-365 And 0-365К; 85mm Armor Piercing Tracer Shell Бp-365 And Бp-365К; 76mm Fragmentation Shell O-350; [And] 76mm Armor Piercing Tracer Shell Бp-350; June 1951, Ordnance Intelligence, Ordnance Corps, Department Of The Army, Robert Bolin , Depositor
Foreign Firing Table Ft-F-50, Soviet Gun, Tank, 100mm, Model 1944, (Д-10); Gun, Tank, 85mm, Model 1944 (Zis-S53); Gun, Tank, 76mm, Model 1941, (Zis-5) Firing 100mm Fragmentation High Explosive Shell Oф-412; 100mm Armor Piercing Tracer Shell Бp-412; 85mm Fragmentation Shell O-365 And 0-365К; 85mm Armor Piercing Tracer Shell Бp-365 And Бp-365К; 76mm Fragmentation Shell O-350; [And] 76mm Armor Piercing Tracer Shell Бp-350; June 1951, Ordnance Intelligence, Ordnance Corps, Department Of The Army, Robert Bolin , Depositor
United States Department of Defense Military Intelligence
The modern US Army vision of the technical intelligence developed during World War II. Shortly before World War II, Army Technical Services had been instructed to set up intelligence sections in the offices of their chiefs. The technical services were bureaus which supplied weapons, equipment, and services to the Army, managed the careers of officers in the related branch, trained specialists, and organized and trained special purpose military units. There were a number of technical services including the Chemical Warfare Service, the Medical Department, the Ordnance Department, etc. The Ordnance Department provided fire arms, artillery, combat vehicles, and related ammunition, …
Chemical And Medical Technical Intelligence, Robert Bolin , Depositor
Chemical And Medical Technical Intelligence, Robert Bolin , Depositor
United States Department of Defense Military Intelligence
This is a detailed description of the idealized organization and activities off medical and technical intelligence activities in the various echelons of the army. It also discusses intelligence in the Headquarters, Department of the Army, in the offices of the Surgeon General and the Chief Chemical Officer.
Microfauna Of The Colorado Shale In The Sunburst Dome Area, Montana, Merle W. Emmert
Microfauna Of The Colorado Shale In The Sunburst Dome Area, Montana, Merle W. Emmert
Bachelors Theses and Reports, 1928 - 1970
It has been hoped that a micropaleontological study of the shales of the Upper Cretaceous Colorado Group in northern Montana would reveal certain faunal zones which would serve as markers in an otherwise drab, undifferentiated, 1800 feet of grey, fissile shale. This paper presents the results of a study of the microfauna in certain samples from this shale in the Sunburst Dome area north of Shelby, Montana.
The Elkhorn Mine Of Jefferson County, Montana, David D. Walker
The Elkhorn Mine Of Jefferson County, Montana, David D. Walker
Bachelors Theses and Reports, 1928 - 1970
In 1901, after yielding metals valued in excess of five million dollars, it was considered worked out. Since that time the mine has passed through the hands of several owners, none of whom have failed to realize a profit from it. Although at no time since its zenith did it ever regain its once great production, it did provide a livelihood for those who worked it. Now with the American Smelting and Refining Company interested in it, perhaps it will once again become an important producer.
The Occurrences Of Non-Metallic Minerals In Montana, Samuel T. Mitchell
The Occurrences Of Non-Metallic Minerals In Montana, Samuel T. Mitchell
Bachelors Theses and Reports, 1928 - 1970
This thesis is essentially an abstract of the literature concerning occurrences in Montana of minerals with a non-metallic luster. The discussions give a general description of the occurrences of minerals as reported by the various references, but is not complete as less than 40 percent of the non-metallic minerals known to exist in Montana are discussed.
History Of Technical Intelligence, Army General School, Robert Bolin , Depositor
History Of Technical Intelligence, Army General School, Robert Bolin , Depositor
United States Department of Defense Military Intelligence
This is an excellent description of the history of Army technical intelligence during World War II. It gives good descriptions of technical intelligence in the various theaters of operation and of the lessons learned from each. The experience in the Pacific Theater was highlighted. The use of a Technical Intelligence Company in the Pacific has proven an influential model for the organization of technical intelligence in the field in later wars. The first part of the document is an outline showing how to present the material to the students. The final 8 pages are a summary of the material covered …
Sulphidizing Of Cerussite, Emil A. Kovacevich
Sulphidizing Of Cerussite, Emil A. Kovacevich
Bachelors Theses and Reports, 1928 - 1970
The oxide minerals, such as cerussite, are not as amenable to flotation as the sulphide minerals. Sulphidization is the usual means used today to increase the recovery of an oxide flotation; however, sulphidization under the most advantageous conditions does not yield very satisfactory recoveries.
Faunal Studies Of The Lower Jefferson Limestones, James L. Eymann
Faunal Studies Of The Lower Jefferson Limestones, James L. Eymann
Bachelors Theses and Reports, 1928 - 1970
The exact geologic age of the Jefferson limestone in Montana has not been definitely determined, other than it is probably of upper, but possibly in part of middle Devonian age. Although not of immediate or apparent economic importance, the determination of the exact age of the Jefferson limestone may be of much value in connection with the discoveries of large quantities of oil in Devonian strata in the northern Great Plains and, in particular, with the extensive deep drilling in northeastern Montana which is anticipated during the summer of 1951.
A Mineralogical Investigation Of Some Montana Hydrobiotites, John W. Baker
A Mineralogical Investigation Of Some Montana Hydrobiotites, John W. Baker
Bachelors Theses and Reports, 1928 - 1970
Vermiculite is one of the most recent important nonmetallic minerals to be exploited for use in the industrial world. For this reason, the fund of knowledge relating to this mineral is rather limited. This paper represents the results of laboratory studies that were undertaken to contribute data to this fund of knowledge.
Differential Thermal Analysis Of Some Carbonate Minerals, Paul L. Vandeveer
Differential Thermal Analysis Of Some Carbonate Minerals, Paul L. Vandeveer
Bachelors Theses and Reports, 1928 - 1970
Thermal analysis is a relatively new method of determining the general composition of certain mineral substances. As is demonstrated by much of the literature previously written, clays and carbonates are especially adaptable to this method. The full importance of the method is not as yet realized, but it is rapidly approaching that point.