Results 191 to 200 of about 357,318 (209)
Some of the next articles are maybe not open access.

Hydraulic coal mining

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1987
openaire   +1 more source

Pennsylvania Coal Mining

Scientific American, 1895
openaire   +1 more source

Coal Mine Accidents

Scientific American, 1908
openaire   +1 more source

Oxy-fuel combustion technology for coal-fired power generation

Progress in Energy and Combustion Science, 2005
exaly  

Soot in coal combustion systems

Progress in Energy and Combustion Science, 1997
exaly  

Coal Mine Surveying

Australian Surveyor, 1936
openaire   +1 more source

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