以大量钻孔资料为基础，研究了伊宁盆地中侏罗统含煤地层的分布特征、含煤性、聚煤期。
On the basis of mass borehole data, the paper analyzed Middle Jurassic coal-bearing strata distributing features, coal-bearing property, coal-forming period in the Yining basin.
中国山西河东地区中阶煤储层的含气量比较低、含气饱和度低，而储层渗透性好，储层能量比较大；
The reservoirs of the medium rank coal characterize low gas content, low gas saturation, good permeability, and high energy in Hedong area of Shanxi, China.
滇东晚二叠世含煤岩系良好的岩性组合，贮藏了丰富的煤层气资源。
The excellent rock assemblage of Late Permian coal -bearing rock series in East Yunnan contains abundant seam gas resources.
聚煤特征、含煤岩系的岩性、岩相组成及其空间组合均受控于沉积环境。
The characteristics of coal accumulating, lithology, composition of lithofacies and its spacial combination are all controlled by sedimentary environment.
松辽盆地南部发育了一系列晚侏罗世—早白垩世含煤盆地，呈规律性展布。
A series of late Jurassic-early Cretaceous coal-bearing basins have developed in southern Songliao basin and distributed regularly.
沉积物组成了山区河流冲洪积相、湖沼相的灰色含煤建造，其物质成分与基底岩石具明显继承性。
Sediments in basins consist of grey coal-bearing formation composed of fluvial alluvial, proluvial fac ies, lacustrine-swamp facies. The material composition of sedim…
研究表明，含煤岩系岩性随着碎屑颗粒粒度由粗到细，即由砂岩到泥岩变化，碎屑岩的强度与刚度均迅速衰减。
It is shown that the strength and stiffness of rocks are rapidly reduced with decrement of the grain diameter, namely from sandstone to mudstone.
研究表明，含煤岩系岩性随着碎屑颗粒粒度由粗到细，即由砂岩到泥岩变化，碎屑岩的强度与刚度均迅速衰减。
It is shown that the strength and stiffness of rocks are rapidly reduced with decrement of the grain diameter, namely from sandstone to mudstone.
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