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1)  CBM hosting fesatures
煤层气赋存条件
2)  coalbed methane accumulation
煤层气赋存
1.
The geological characteristics and the coalbed methane accumulation in Fengfeng mine district;
峰峰矿区地质特征及煤层气赋存
3)  coal seam occurrence
煤层赋存
1.
Based on the observation of field geology and the analysis of microstructures and data of exploration,combined with regional tectonic evolution,structural control action of tectonic evolution of Taihang Mountain on coal seam occurrence in southeastern Hebei was discussed.
在野外地质、微观构造和勘探资料分析的基础上,结合区域构造演化分析,论述了太行山构造演化对冀东南隐伏区煤层赋存的控制作用。
4)  No.3 coal hosting
3煤层赋存
5)  CBM deposit forming condition
煤层气成藏条件
6)  seam conditions
煤层条件
1.
Based on the research of the reference ,using fuzzy theory,the classification program to forecast the top coal caving and drawing characteristics of different seam conditions is put forward.
在文献[1,4]研究的基础上,运用模糊数学理论,对不同煤层条件下顶煤的冒放性进行了分类。
补充资料:煤层气(见煤成气)


煤层气(见煤成气)
coal-bed gas:see coal derived gas

于煤煤层气(c oal一bed gas)以吸附状态赋存 层内部的煤成气。见谋成气。-
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