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bismuth electrical refining
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bismuth electrical refining
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工学
铋冶金
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bismuth electrical refining
粗铋电解精炼
以经过初步火法精炼的粗铋为阳极,以铜、不锈钢或电解析出铋浇铸的阴极板为阴极,在电解液中借助直流电的作用,使阳极铋溶解,铋离子在阴极放电沉积为金属铋的过程。
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sand control methods
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sand disaster prevention along Golmud-Lhasa Section of the Qinghai-Tibet Railway
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