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- Large amount of coalbed methane resource is distributed in the high coal rank area of China, especially in the North and South China. 我国华南和华北地区广泛分布高煤阶煤层,煤层气资源丰富。
- The analysis considered the improvement of the coalbed physical property by heat in structural movements in high coal rank reservoirs and the important role of biogas and free gas in low rank CBM reservoirs. 在分析过程中考虑了构造热事件对高煤阶煤层气藏物性的改造作用和生物气、游离气在低煤阶煤层气成藏过程中的作用。
- high coal rank 高煤阶
- From the coal rank and the combustion characteristics and kinetic analyzing results, the stone coal should be classed as a high rank and maggy anthracite coal. 根据煤阶和燃烧特性及动力学分析判断，石煤属于高变质的劣质无烟煤。
- Judged from coal rank, combustion characteristics and kinetic analyzing results, the stone coal should be classed as a high rank and maggy anthracite coal. 从燃烧特性参数和反应动力学参数判断，石煤属于高变质的无烟煤。
- It seems reasonable to assume that the organic affinity of trace elements decreases with the coal rank incr... 证明了随煤化程度增加,煤中有机态的微量元素含量降低。
- The necessity of expanded coal rank for CWM production and saving coking coal resources were discussed in this paper. 摘要阐述了节约炼焦煤资源，扩大制备水煤浆煤种范围的必要性。
- China has 20 of the world's 30 most polluted cities, largely due to high coal use and motorization. 世界上最污染的30个城市中中国的占有20个。
- Powder River basin, Uinta basin of USA and Tiefa basin of China are all low coal rank basins. 通过国内外实例,分析含气量和含气饱和度在煤层气勘探评价中的作用,认为在低煤阶含煤盆地中进行煤层气勘探很有前景。
- To meet the high coal injection rate it is necessary to modernize PCI technology. 为了适应高炉大量喷吹煤粉，必须对高炉喷煤工艺及设备进行改造。 方向是：煤场要增加储煤能力，实现自动配煤；
- Power plants have been reluctant to maintain high coal inventories due to the rising prices. 煤炭价格不断上涨，发电厂很难维持大量的煤炭存量。
- Coal matrixflexibility energy decreased with the increasing of buried deepness of coal reservoir, and increased with the rising of coal rank. 煤基块弹性能随着煤储层埋深的增加而降低,随着煤级的升高而增大。
- Burning faulty coal is tried out in a fixed-bed gasifier,to solve the problems of high coal price and production cost. 固定层煤气发生炉试烧劣质煤,以解决煤价高、生产成本大的问题。
- The influences of coal rank,ope-rating conditions and mineral matter in coal on phenol adsorption of the active car-bons have been investigated. 同时综述了这方面的新成果，以期对该法制活性炭的脱酚性能得到全面了解。
- The results indicate that the morphology and structure of char particles are dependent not only on maceral composition but also on coal rank. 这些结果表明,残炭颗粒的形态结构特征不仅依赖于煤的显微组分组成,而且也依赖于煤的变质程度。
- Various factors influencing high coal consumption of whirlwind boiler are analyzed in this paper. Some imprevement proposals are also proposed. 分析了影响立式旋风锅炉煤耗高的内外部因素，并提出了改进意见。
- Its main mineable coal seam belongs to very thick coal seam.The coal seam texture and coal rank configuration are generally very complex. 主采煤层属巨厚煤层,其煤层结构和煤种结构一般都很复杂,按不同煤种进行分层开采,有利于煤炭资源合理利用。
- Coal matrix flexibility energy decreased with the increasing of buried deepness of coal reservoir, and increased with the rising of coal rank. 煤基块弹性能随着煤储层埋深的增加而降低，随着煤级的升高而增大。
- On the drying of feed-grade dicalcium phosphate, the air heated by stream was adopted with a low heat efficiency and high coal consumption. 饲料磷酸氢钙原采用蒸汽间接加热空气作为热源的沸腾炉干燥，热效率低，煤耗高。
- In the condition of similar coal rank, fusinite contributes more to specific area than the vitreous coal component in the eastern margin of Ordos Basin. 在相似煤级条件下，惰质组分较镜质组分有更多的比表面积贡献。
