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- synorogenic coalification 同造山期煤化作用
- The results shown that there are some good rules for the characterization of freeradicals of coals in coalification. 结果表明,煤自由基特性在煤化过程中的规律性较好。
- The relationship between the properties of coals with different coalification degree and quality of their briquets were investigated. 研究了14种不同煤化程度煤的性质与其型煤质量的关系。
- "Many technical problems were solved with relation to low degree of coalification,low ash fusion temperature and low ash content. 解决了低变质程度煤、低灰熔点、低灰含量煤的气化技术。
- The plasma temperature differs from one kind to another, the higher the coalification degree is, the higher the plasma temperature will be. 在相同实验条件下，不同煤种的等离子体温度不同，煤化程度越高等离子体温度越高。
- Plutonic coalification is the leadiny factor in coalification in south Sichuan. This paper focuses attention on the effect of geological structure on distribution of coal type. 深成煤化作用是川南地区煤化作用的主导因素，本文着重阐明了构造对煤类分布的影响。
- Moreover the geochemistry of trace elements in coal could be used to explain the coalification,and some elements as special marker could be used to compare the coal beds. 另外应用元素地球化学理论可以探讨成煤作用,一些微量元素可以用作煤层对比标志,微量元素对煤炭开采、加工、利用等方面都将产生影响。
- It is considered that the ductile deformation promote evolutional grade of coal and directional pressure can act as the activator in the process of coalification. 确认韧性变形可以促进有机质演化，定向压力起到催化剂的作用；
- The effect of feed coal particle size on strength of briquette is discussed when different briquetting process and rank of coalification coal are adopted. 阐述了采用不同成型工艺和使用不同变质程度煤成型时,原料煤粒度对型煤强度的影响。
- There is a natural fissure system in the coal.The formation of fissure system in the coal and the coalification are close related to the structural characteristics there. 煤层具有天然裂隙系统,煤中的裂隙系统(割理)的形成、煤化作用与当地的构造特征密切相关,裂隙系统的好坏是开采煤层气的关键。
- One or more types of metamorphism were superposed by the geothermal metamorphism, which led to different and complicated coalification patterns in Jixi Coalfield. 鸡西煤田由于多数地区受到异常古热流的影响，常存在两种或两种以上类型的变质作用相互叠加，从而导致各区的煤化作用模式各不相同，比较复杂。
- The aromatization (not ring-condensation) is dominant in the period of coalification of low-to-medium rank, and this phenomenon is more remarkable in vitrinite than that in inertinite. 在中低变质阶段，对煤化进程起主导作用的的是芳构化作用而不是环缩合作用，但在惰质组中脂碳断裂形成芳环的现象不明显。
- Phase transition mechanism of Xingjiang coal with different coalification is studied by means of coal petrology, the influence of coke micro - structure on coke thermal property is discussed. 利用煤岩学对新疆不同变质程度煤进行了相变机理的研究,探讨了焦炭显微结构对焦炭热性能的影响。
- This thesis has quoted lots of data and graphs, and found out the methods of how to solve this problem and rebuild the excitation mechanism of Ningxia Qinghua Coalification Company. 文中引用大量数据和图表作为分析手段，点面结合，找出问题的解决方法，重建宁夏庆华煤化公司激励机制。
- Effect of coalification rank on CO absorption by coal seams 煤的变质程度与煤层吸附CO影响的实验研究
- COALIFICATION STUDIES IN STEPHANIAN CEVENNES BASIN, FRANCE 塞文煤盆地煤化作用研究
- Keywords coalification;coalbed gas;magma intrusion;Tiefa Basin; 煤化作用;煤层气;岩浆侵入;铁法盆地;
- Keywords coal sitallization degree;coalification degree;coal evolution; 煤化度;煤化程度;煤演化;
- Keywords coalbed methane system;reservoir;coalification;adsorb;conservation; 煤层气系统;储集;煤化作用;吸附;保存;
- Keywords coalification;brittle deformation;ductile deformation;coal rank; 煤化作用;脆性变形;韧性变形;煤级;
