981 resultados para Mines subsidences
Resumo:
A determination of the solubility of zinc ethyl xanthate was attempted by measuring the refractive index of a saturated solution of that salt. The small increment in refractive index effected by adding zinc ethyl xanthate to water in saturation quantities rendered measurements difficult and of dubious accuracy.
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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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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
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In this issue...Marcus Daly, Student Council, City Reservoir, Butte, Montana, Leonard Mine, Stanolind Oil Company, Air Force, Margaret Rosencrans
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In this issue...Rocky Mountain Mineral Conference, M club, Halloween Dance, Carroll College, Martin Merkle Orchestra, Copper Guard, Forest Service, American Chemical Society
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In this issue...Oredigger football, American Chemical Society, Student Union Building, Virginia City, Butte, Montana, Tom Minette, Professor Ruggles