999 resultados para montana Tech Library


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Research funded by the Army Research Laboratory (ARL), the Metallurgical and Materials Engineering Department at Montana Tech investigated various methods of extracting and refining rare earth elements (REEs) from mineral ores and concentrates. Extensive thermodynamic, thermogravimetric and differential thermal analyses were performed to evaluate the relative stabilities of various REE compounds in order to assess potential methods for selective separation and recovery of specific REEs. Conversion of rare earth oxides (REO) to rare earth chlorides or bromides is a possible initial step in pyrometallurgical and hydrometallurgical processing of REEs. REO can be converted to chlorides or bromides by roasting in the presence of a chloridizing or bromidizing reactant. (e.g. NH4Cl and NH4Br).

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In this issue...Student Council, Montana Bureau of Mines, Geology Camp, Dillon, Montana, Senator Mike Mansfield, All-State Basketball, Dolly Labranche, Alumni Association

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In this issue...Continental Oil Company, Big Butte, Bolivia, Rotary Scholarship, YMCA, Anaconda Company, Butte Wesley Foundation, American Yearbook Company

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In this issue...Montana Power Company, US Coast Guard, Alumni Dinner, Vegas Club, Chess Club, Theta Tau, Butte Civic Choral Society, Sacred Heart Grade School

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In this issue...Continental Oil, Jocko Evans, Engineers Week, Dan Rovig, EIT Examination, Metallurgy Building, Montana Power Company, Boeing Company

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In this issue...KXLF TV, Mine Rescue, Talent Show, Linda Plubell, Gulf Oil Company, Student Loans, Theta Tau, Alaska, Newman Club

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In this issue...M Days, Montana Tech Young Democrats, Mineral Club, Theta Tau, Butte YMCA, Chess Tournament, Student Council, Copper Lounge, Texaco, Montana Power Company

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In this issue...Butte Tennis Club, Coach Downey, Talent Show, Anaconda Company, Copper Guards, Graduates, Butte YMCA, Intramural Sports, Alex Chaky

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In this issue...Geology, Mineral Club, Homecoming Queen, Pipestone Pass, Parachute club, Tech Band, High Ore Mine, Cheerleaders, Nitrogen Generator

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In this issue...Canyon Creek Mine, Mineral Club, Geophysics Club, Rotary Foundation, Phil Judd, NASA, State Highway Department, Gasamat, Campus Parking

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In this issue...Archaeology, Walkerville, Mardi Gras, Selective Service, Copper Guards, Virginia City, Sheriff Henry Plummer, Civil Rights, Montana Power Company

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In this issue...International Club, Easter Dance, Tiddledywinks, Mine Rescue, First Aid, Mineral Dressing, College Days, Circle K Club, Sigma Xi

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In this issue...Z-T Ski Patrol, Intramurals, Mike Mansfield, Texaco, President Johnson, Beryllium, Magma Staff, Fluid Mechanics, Geology

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In this issue...College Days, Peace Corps, Baseball, Coast Guard, Drama Club, First Aid, Montana Institute of Art, The Anaconda Company, Butte Symphony, Student Opinion

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In this issue...Junior Prom, Finlen Hotel, Kangaroo Court, M Day, Butte Choral Society, Butte Kiwanis, ASMT President Election, Miners Bank