显微煤岩组成
Micor-coal rock composition
煤岩组分
coal petrology component
coal rock component
Coal maceral
MACERALS
lithotype and maceral of coal
lithotype of coal
maceral specification
神府东胜煤岩有机显微组分
Shenfu Dongshen coal macerals
多种显微组分荧光变化(FAMM)分析
fluorescence alteration of multiple macerals(FAMM) analysis