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[期刊论文] 作者：Mark Christopher,,
来源：International Journal of Mining Science and Technology 年份：2016
Many problems in rock engineering are limited by our imperfect knowledge of the material properties and failure mechanics of rock masses. Mining problems are so...
[期刊论文] 作者：Mark Christopher England,
来源：心理学研究：英文版 年份：2012
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[期刊论文] 作者：Mark Christopher,Daniel Glover,
来源：生活用纸 年份：2020
生活用纸生产成本中纤维原料所占的比例超过了其他投入的总和,甚至达到总成本的70%。自2016年中期以来,一些地区的纸浆价格波动达40%至50%,生活用纸行业内的企业不得不应对这...
[期刊论文] 作者：Mark Christopher,Gauna Michael,,
来源：International Journal of Mining Science and Technology 年份：2016
Coal bursts involve the sudden,violent ejection of coal or rock into the mine workings. They are almost always accompanied by a loud noise,like an explosion,and...
[期刊论文] 作者：Mark Christopher,Gauna Michael,,
来源：International Journal of Mining Science and Technology 年份：2017
For decades, pillar recovery accounted for a quarter of all roof fall fatalities in underground coal mines.Studies showed that a miner on a pillar recovery sect...
[期刊论文] 作者：Gauna Michael,Mark Christopher,,
来源：International Journal of Mining Science and Technology 年份：2017
Underground coal mining in the U.S. is conducted in numerous regions where previous workings exist above and/or below an actively mined seam. Miners know that o...
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