什么使得脱墨浆细料的漂白反应性能差？是来自内部杂质的两个因素：残余油墨和过渡金属，特别是铁。

What Caused the poor bleachability of DIP fines? The two factors coming from external contamination were: residual ink and transition metals in pulp, specifically iron.

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摘要什么使得脱墨浆细料的漂白反应性能差？是来自内部杂质的两个因素：残余油墨和过渡金属，特别是铁。

What caused the poor bleachability of dip fines ? the two factors coming from external contamination were : residual ink and transition metals in pulp, specifically iron.

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其中，过渡族金属就是晶体硅中非常重要的杂质元素。

Transitional metals are some of important impurities in silicon.

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