coal specimens是什么意思 coal specimens怎么读
coal specimens的用法和样例
- Two raw coals from Yueliangtian and Kaili coal mines in Guizhou Province were extracted with dichloromethane separately.
摘要用二氯甲烷对贵州月亮田和凯里两种煤样进行了索氏萃取，并采用柱色谱对萃取物进行了族组分分离。 - The determined result differences of the caking index of the same coal sample under different test conditions are discussed.
探讨了不同试验条件下同一煤样粘结指数测定结果的差异。
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