855 resultados para Arnica montana


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A nickel plating operation for magnesium alloys was investigated and proved successful in plating a small sample of a typical commercial magnesium alloy, Dowmetal J1.

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In the past the steel industry of the United States has depended almost wholly on imports for its supplies of manganese. Although it is well known that there are enormous deposits of low grade manganese ore in the United States the production of substantial amounts of ferro-grade mater­ial from domestic sources presents a field for con­structive and practical research.

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The laboratory model is considered in this thesis. Information gained from this investigation has not been trans­ferred to the larger industrial machines. Some of the factors noted concerning the efficiency of the laboratory shaking table are inherent in this small scale model only.

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The purpose of this thesis was to study the effects of cryolite and a mixture of cryolite and aluminum oxide on a chromite concentrate with special reference to the ability to break the bond between the ferrous iron and chromic oxide in the chromite.

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The great diversity on mineral wealth in Idaho establishes it as one of the principle mining states in the union. Mining first began in the state with the discovery of placer gold in the Pierce City district in 1861, and since that date has become one of the leading industries of the state.

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The art of Powder Metallurgy deals with the preparation of metal powders and their utilization. As a more pertinent definition, the following has been suggest­ed: "Powder Metallurgy is the art of producing metal powders and shaped objects from individual, mixed, or alloyed metal powders, with or without the inclusion of non-metallic consti­tuents".

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In this issue...Dr. Van Pelt, Blaine School, Anderson Carlisle Society, Mineral Club, Newman Club, Father Garrity, Sigma RHO, Theta TAU, Arnold Air Society

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In this issue...M-Day, Convocation, Student Council, Copper Guards, Gary Mitton, Clark Park, Butte Rotary Club, Tom Davis Memorial, blood donations

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In this issue...Baker Oil Tool Co., Golf Team, Coed Club, Student Wives, Butte High Band, AFROTC, Whiskey Gulch, M-Club, Montana State University, Debate Team

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In this issue...Sigma RHO, M-Days, Marcus Daly, Moonshiner's Ball, Petroleum Engineering, Naval Air Corps, Loretta Buss Peck, Mines football team

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In this issue...Montana Power, Debate Team, Anderson Carlisle Society, Carroll College, Anaconda Copper Mining Company, Copper Guards, Moonshiners Ball

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In this issue...Lydias, Jack Hunter, U. S. Navy, Student Council, Drama class, Petroleum Engineering, G. I. Bill, Air Force ROTC, General Guthrie, Coach Olsen

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In this issue...Dr. Carlson, Liberal Arts, Peggie Stobie, M Club, Charlie Russell, St. Patrick's Church, New York Times, Drama Club, Technical Writing, George Cloudy

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In this issue...Socony Exploration Company, Mobil Producing Company, Commencement, George Mealey, honorary degree, Butte, Montana

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In this issue...Dr. Van Pelt, Lydia's, Old Faithful, Yellowstone National Park, U. S. Gypsum Plant, Stanolind Oil & Gas Company, Coach Olsen, Great Falls Brewery