The paper introduces the reflectivity profile's principle of coal petrography analysis and its application. Through analysis, management of single coal and quality of matching coal have been improved.
介绍了煤岩分析镜质组反射率分布图的原理及在生产中的应用情况，通过煤岩分析有效促进了单种煤管理和配合煤质量的改善。
Using the exergy analysis method, the conception of energy quality character was presented, which indicated the discretion of electricity, gas, coal, steam and hot water, cooling or heating load etc.
基于热力学第二定律的分析方法，按照能质系数的概念确定了电、天然气、煤、蒸汽、热水等各种形式的建筑用能及建筑物耗冷量、耗热量的能源品位高低；
Element analysis is one of the most concerning in the assessment of coal quality.
元素分析是煤质分析的一个重要手段。
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