Recent trends of coal and gas outburst accidents in China. Liu MJ,Mitri HS,Wei JP. Proceedings of the 27th international conference on ground control in mining . 2008Liu M J, Mitri H, Wei J, 2008. Recent trends of coal and gas outburst accidents in China. In: Peng SS, Mark C, Fin...
IN British mines, about thirty million pounds weight of explosives are used annually. This involves the firing of about sixty million shots. When any shot is fired there is potential danger, particularly in gassy mines. Recent improvements in coal-mining explosives have aimed at increasing both ...
Recent Developments in Coal Mining Safety in the United StatesMine safetyCoal minesRescue trainingSealsRescue technologyFatalitiesFine coal dustExplosionsMine accidentsThis paper briefly describes the progress in mine safety in the United States, with emphasis on recent events that have followed since the...
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of the recent trend Safety in Japanese coal mining industry and analysis of the recent trendSafety in Japanese coal mining industry and analysis of the recent trendK. UchinoM. Inoue
: Dusar, M Proc 13th World Mining Congress, Improvement of Mine Productivity and Overall Economy by Modern Technology, Stockholm, June 1987V1, P87–93. Publ Rotterdam: A A Balkema, 1987Show moreShow less Choose an option to locate/access this article: Check if you have access through your...
804096 Recent advances in water jet coal mining: Summers, D Colliery Guard, V127, N9, Sept 1979, P537–541doi:10.1016/0148-9062(80)91188-2NoneELSEVIERInternational Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts
doi:10.2307/142361George F. Deasy and Phyllis R. GriessRoutledgeEconomic GeographyDeasy, G.F. and Griess, P.R. 1956. Geographical significance of recent changes in mining in the bituminous coal fields of Pennsylvania. Economic Geography 33 : 283–98....
The grassland mining area in recent years, the continued exploitation of 翻译结果2复制译文编辑译文朗读译文返回顶部 正在翻译,请等待... 翻译结果3复制译文编辑译文朗读译文返回顶部 Prairie coal mining area in recent years continuous mining 翻译结果4复制译文编辑译文朗读译文返回顶部 ...
Engineering & Mining Journal . 1995,第eleven期 机译:美国矿务局最近的矿山安全研发项目 2. Preventing 'the Needless Peril of the Coal Mine': The Bureau of Mines and the Campaign against Coal Mine Explosions, 1910-1940 [J] . MARK ALDRICH Technology and Culture . 1995,第3期 机译:预防...