Kovscek, P. D. (Paul D.) ; Taylor, Charles D. (Charles Darrell), 1946- ; ...
Corporate Authors:
United States. Bureau of Mines.
Published Date:
1991
Series:
Report of investigations (United States. Bureau of Mines) ; 9374
Description:
"The performance of a novel prototype kerf-cutting impact mining machine was evaluated under a cooperative agreement between the U.S. Bureau of Mines ...
Russell, J. H. (James H.) ; Rickel, R. L. (Rod L.) ; ...
Corporate Authors:
United States. Bureau of Mines.
Published Date:
1991
Series:
Report of investigations (United States. Bureau of Mines) ; 9344
Description:
"A mathematical modeling method was developed by the U.S. Bureau of Mines for the prediction of the principal equilibrium species in the solvent extra...
Report of investigations (United States. Bureau of Mines) ; 9385
Description:
"The U.S. Bureau of Mines has developed a portable meter for measuring the component concentrations in binary dust mixtures whose constituents have di...
Report of investigations (United States. Bureau of Mines) ; 9388
Description:
"The technical analysis of parameters that can influence roof and rib reinforcement is important to the operation of safe and profitable underground m...
Chambers, M. F. (Michael F.) ; Murphy, J. E. (Jim E.) ;
Corporate Authors:
United States. Bureau of Mines.
Published Date:
1991
Series:
Report of investigations (United States. Bureau of Mines) ; 9391
Description:
"The U.S. Bureau of Mines conducted experiments on electrowinning of neodymium metal by using a molten-metal cathode at 650 deg. C and an electrolyte ...
Tesarik, D. R. (Douglas R.) ; Vickery, J. D. ; ...
Corporate Authors:
United States. Bureau of Mines.
Published Date:
1991
Series:
Report of investigations (United States. Bureau of Mines) ; 9360
Description:
"As part of its research program to investigate ways of improving resource recovery and reducing subsidence, researchers from the U.S. Bureau of Mines...
Report of investigations (United States. Bureau of Mines) ; 9358
Description:
"Horizontal displacements and ground strains induced by mine subsidence are significant information needed for calculating damage and developing preca...
Yopps, D. L. (Deborah L.) ; Baglin, E. G. (Elizabeth G.) ;
Corporate Authors:
United States. Bureau of Mines.
Published Date:
1991
Series:
Report of investigations (United States. Bureau of Mines) ; 9371
Description:
"In research conducted by the U.S. Bureau of Mines, platinum-group metal (PGM) flotation concentrate from the Stillwater Complex, MT, was subjected to...
Report of investigations (United States. Bureau of Mines) ; 9333
Description:
"A belt-wearable self-contained self-rescuer (SCSR) manufactured by the CSE Corp. and designated the SR-100 was evaluated for safety in the undergroun...
Report of investigations (United States. Bureau of Mines) ; 9378
Description:
"To increase the capability to predict the effectiveness of a flame arrester in the cooling of hot combustion gases expelled through a flame arrester,...
Report of investigations (United States. Bureau of Mines) ; 9379
Description:
"The U.S. Bureau of Mines has long recognized the hazards associated with rock burst activity in underground mines. Concern over lost lives and resour...
Report of investigations (United States. Bureau of Mines) ; 9355
Description:
"This U.S. Bureau of Mines report discusses elastic wave velocity and attenuation behavior as an indicator for changes in load and structural integrit...
Report of investigations (United States. Bureau of Mines) ; 9348
Description:
"The U.S. Bureau of Mines mine fire diagnostic methodology to locate and monitor fires in abandoned mines and waste banks is based on controlled sampl...
Karr, C. L. (Charles L.) ; Stanley, D. A. (Donald A.) ; ...
Corporate Authors:
United States. Bureau of Mines.
Published Date:
1991
Series:
Report of investigations (United States. Bureau of Mines) ; 9339
Description:
"The U.S. Bureau of Mines is investigating the use of genetic algorithms (ga's) for solving optimization problems. This computer search technique, bas...
Report of investigations (United States. Bureau of Mines) ; 9361
Description:
"In this U.S. Bureau of Mines report, the conditions required for the direct reconstruction of a tomogram from observed line integrals are examined. B...
Report of investigations (United States. Bureau of Mines) ; 9375
Description:
"The U.S. Bureau of Mines investigated the use of unsupported liquid emulsion membranes (LEM's) for the extraction of copper from relatively dilute aq...
Haas, L. A. (Larry A.) ; Aldinger, Jeffrey A. ; ...
Corporate Authors:
United States. Bureau of Mines.
Published Date:
1991
Series:
Report of investigations (United States. Bureau of Mines) ; 9357
Description:
"The U.S. Bureau of Mines is investigating ways of enhancing the high- temperature softening-melting (htsm) properties of domestic taconite pellets. T...
Report of investigations (United States. Bureau of Mines) ; 9353
Description:
"Exothermic oxidation reactions of sulfide minerals can produce self- heating situations in underground mines. If the self-heating is unchecked and th...
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