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钒(V)是重要的战略资源,广泛应用于钢铁、 …
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钒(V)是重要的战略资源,广泛应用于钢铁、航空、化工等行业.石煤是低品位的含钒矿石,其中钒元素主要以VO2、V2O3、V2O5形式存在.工业上以石煤为 ...
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