coalification
n. 煤化作用
例句
Greater degree of coalification makes more obvious anisotropy.
煤化程度越高,煤的各向电异性越明显。
Uranium concentration by organic matter is displayed in each stage of coalification.
有机质对铀的富集作用表现在成煤作用的各个阶段。
The rules for forming 49 elements in coal, macerals, and coalification degree were studied.
揭示出煤中49种元素与煤岩组分和煤化程度的成生联系规律。