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.

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。

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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.

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。

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These symbols have been in use since the Renaissance [1] also denoting elements in alchemy, specifically the metals iron and copper.

文艺复兴以来这些符号就在炼金术中得到使用，表示某种元素，特别是金属铁和铜。

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Specifically, what the scientists have found is that the iron adopts a crystalline structure, like a diamond, in the Earth's core.

BBC: Planet Earth

Please understand that these are not intended to be taken as Iron Law applicable in all situations nor are they meant to be specifically geared toward any one person.

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