Information Circular, Issues 7901-7910U.S. Department of the Interior, Bureau of Mines, 1959 - Mine safety |
Contents
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Common terms and phrases
absorption acids analysis anthracite apparatus aromatic average bituminous coal blends boiler briquets Bureau of Mines calcined carbon monoxide catalyst char chelates Chem chemical coal mines Coal-mine inspector coalbeds cobalt coke combustion compounds corrosion cost County decreased deposits determine DIEHL dioxide drilling dust effect electrical engineers equipment explosions fatalities feet FIGURE fluidized fuel gases gasification gypsum haulage heat high-volatile hoist hydrogen hydrogen sulfide increased industry inert inspection Investigations Iowa State College Jour lignite low-temperature material mechanism metallurgical Mineral Joe Mines Rept obtained operation OSRD oxidation oxygen oxygen sorption Oxygen-Carrying percent phenols pilot plant prepared pressure problems production pump pyridine reaction reactor reduced roof bolting safety salcomine salicylaldehyde samples shaft solvent sorbent sorption steam stopes sulfur sulfur dioxide surface synthesis synthesis gas tactite temperature tests timber tion tons underground United vitrinite yield