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n.七水混合物...

The preparation of sulfate heptahydrate and copper sulfate pentahydrate from calcined zincblende was investigated.用經(jīng)高溫煅燒后的閃鋅礦石與稀硫酸反應(yīng)制備七水硫酸鋅和五水硫酸銅.Modified polymerized sulphate flocculating agent was made with ferrous sul...

heptahydrate的音標(biāo)：heptahydrate的英式發(fā)音音標(biāo)為：[hept?'ha?dre?t]heptahydrate的美式發(fā)音音標(biāo)為：[hept?'ha?dre?t]...