不同变质程度煤微晶结构演化特征及无机矿物组分研究
贾进章1,2, 邢迎欢1,2,*

Characteristics of Microcrystalline Structure Evolution and Inorganic Mineral Components of Coals With Different Metamorphic Degrees
JIA Jin-zhang1,2, XING Ying-huan1,2,*
煤样的XRD图谱