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- coal rank index 煤级指标
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- According to the coal rank, blending rate, combustibility and slagging ability, the optimization process flowsheet of steam coal blending are introduced briefly. 简述优化动力配煤的工艺流程，指出配煤的种类、配比、燃烧性和结渣性。
- The ranking index of every alternative according to which the alternatives are ranked is calculated through the valued outranking relations. 进一步利用赋值级别高于关系得到方案的排序指数并按照该指数对方案进行优劣排序。
- With the increase of coal rank, the aromaticity of both inertinite and vitrinite increases, but the aromaticity of inertinite increases more slowly than that of vitrinite. 随着煤变质程度的提高，煤分子中芳构化程度不断提高，但惰质组的芳香度随变质程度变化的规律明显不如镜质组；
- 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。
- In the process of preference aggregation, the ranking index value given by individuals and the incomplete information of decision makers' importance are also considered. 在偏好集结过程中，考虑了决策成员对方案给出的排序指标值，同时也考虑了决策成员权重的不完全信息。
- 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。
- 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。
- The permeability of the coal reservoir depends on the pore-fracture system of the coal reservoir, and the pore-fracture system of the coal reservoir depends on coal rank, coal lithotypes and maceral. 对一个特定的煤层气田而言,煤级变化不大或者规律明显。煤岩成分往往成为控制煤储层渗透率分布不均性的主导因素。煤岩成分,包括有机显微组分和矿物质均受控于煤相。
- This paper introduced the relationship of microcrystal structure of coke and its macroscopical properties,and the effects of coal rank and pyrogenation process on microcrystal structure etc. 介绍了焦炭微晶结构与其宏观性质的关联,煤化度及热解过程对微晶结构的影响等,并说明了研究焦炭结构的意义及其发展前景。
