The CWS stability of high rank coal depends mainly on the structure characteristic of dispersant.
而高阶煤的成浆稳定性，主要依赖于分散剂的结构特征。
On the basis of the classification, the evolution and distribution of properties of pore of the high rank coal in China were discussed.
据此分类对我国高煤级煤孔隙性质的分布及演化规律进行了探讨。
High rank coal resources in our country is hugely, and coalbed methane resources are also very rich, more then 3.58 trillion cubic meters.
我国高阶煤煤炭资源量巨大，煤层气资源量也很丰富，达3.58万亿立方米多。
And the reservoirs of the high rank coal characterize low gas saturation, low permeability, and low energy in the south of Qinshui basin, Shanxi.
山西沁水盆地南部高阶煤储层的含气饱和度比较低，渗透率小，储层能量低。
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.
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；
Coal maceral concentrates of high purity were prepared from four different rank coals by Density Gradient Centrifugation method.
经等密度梯度离心分离，从褐煤、长焰煤、气煤和贫煤四种不同变质程度煤中获得了高纯度的有机显微组分。
The results show that the CWS rheology of low rank or high ash coal is mainly due to the physical and chemical properties as well as surface structure characteristics of coal.
结果表明，低变质程度和高灰煤浆多呈屈服假塑性，煤的性质起主导作用；
In the lean coal bed and anthracite bed of high coal rank, the main composition of the clay mineral in the tonstein intercalations is illinite, Kaolinite takes second place.
在高变质阶段的贫煤、无烟煤层中，煤层夹矸的粘土矿物成分以伊利石为主，高岭石次之。
The variation of medium pore diameter and porosity factor is in accordance with that of the pore volume, showing a high permeability of low rank coal reservoirs.
中值孔径、孔隙率的变化特征与孔容一致，预示了低煤级煤储层较高的基岩渗透率。
Based on the analysis of the maturing degree, abundance and type of organic matter, the characteristics of organic matter of high-rank coal in Jincheng has been expounded.
通过对晋城高煤级煤的有机质成熟度、有机质丰度和有机类型的分析，阐明了本区高煤级煤的有机质特征。
The research shows that the extension of isolines of coal metamorphism or coal rank intersects the syncline axis trace at a high angle;
研究结果表明，煤变质指标等值线延展方向与向斜轴不平行而呈大角度相交；
Techniques and measures are suggested for developing CBM in high-rank coal reservoirs aiming at the particularity of physical properties of high-rank coal reservoirs.
鉴于高煤级煤储层物性的特殊性，指出了高煤级煤储层煤层气开发的技术和措施。
Techniques and measures are suggested for developing CBM in high-rank coal reservoirs aiming at the particularity of physical properties of high-rank coal reservoirs.
鉴于高煤级煤储层物性的特殊性，指出了高煤级煤储层煤层气开发的技术和措施。
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