After checking, above problem is caused by high increasing of simple substance carbon in raw material of 57% molybdenum concentrates.
经多种手段检测是其原料57%钼精矿含单质碳量增高所致。
According to this condition, the exploration studies of simple substance carbon in Jinduicheng molybdenum deposit have been carried on.
针对此情况，进行了金堆城钼矿床单质碳相探索研究。
The turning-up of Fullerene and its Compounds, the third kind of allotrope of carbon in simple substance, has been taken a great interest in in chemical circles.
单质碳第三种同素异形体——富勒烯及其化合物的出现，已引起化学界的极大关注。
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