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。
Through proper designed plan, high quality cement clinker was obtained by using low grade limestone as raw material. Samples were investigated by petrography analysis (PA) and X-ray diffraction (XRD).
以低品位的石灰石为原料，通过合理的配料方案，成功制备了性能优异的水泥熟料。
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