Obviously, the main effect factor on activated carbon pore structure is the raw material coal property.
分析结果表明，原料煤的性质是影响活性炭孔隙结构的主要因素。
Due to the tight supply of raw material coal and the rise in its price, the production cost of ammonia has increased by a big margin.
由于原料煤供应紧张及价格上涨，造成合成氨生产成本大幅度上升。
It introduces the process of screening, classification and molding of the raw coal which is prepared to be raw material coal for gasification.
介绍了将原料煤加工成气化用原料煤的筛分、分级、成型等工序的工艺流程。
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