不同煤岩成分的焦煤萃取后FTIR特征研究
余坤坤1, 张小东1,2,*, 张硕1, 杜志刚1

The FTIR Characteristics of Extracted Coking Coal in Different Macrolithotype
YU Kun-kun1, ZHANG Xiao-dong1,2,*, ZHANG Shuo1, DU Zhi-gang1
原煤及萃余物的红外光谱