煤質板巖 的英文怎麼說
中文拼音 [méizhíbǎnyán]
煤質板巖
英文
coal slate-
Through analyzing on the different phenomena of gas pouring amount at different coal seam, different area at the same seam, different position at the same area, the coal thicknss, inclined angle, structure, roof and floor rock character and water content in coal est. geology factor are regarded as the main reason of effecting the gas pouring amount
通過對不同煤層,同一煤層不同區域,同一區域不同地點瓦斯湧出量有很大差異現象的分析,認為煤層厚度、傾角、構造、頂底板巖性、煤中水分等地質因素是影響瓦斯湧出大小的主要原因。On the basis of analyzing the geology conditions of qidong well field, using the rfpa2d analysis system, we have carried on the finite element analysis to the adjustment process of stress field and the damage evolution of the coal bed roof which was caused by coal bed mining
摘要在分析祁東井田地質條件基礎上,利用rfpa2d分析系統對不同地應力條件下,由於煤層開采引起煤層頂板覆巖發生的損傷演化和應力場調整的過程進行了有限元分析。
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