Iron is easily oxidised.

铁很容易氧化。

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Ions passing through the membrane, as one solution is reduced and the other oxidised, create a current which powers an external circuit.

离子通过薄膜，此时一种溶液减少而另一种被氧化，便产生出了额外电流。

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Over time these tannins are polymerised and this benefits colour stability as less colour pigments are oxidised as opposed to tannins.

随着时间的推移，这些单宁会聚合，有益于色泽的稳定。因为与单宁相反，色泽成份被氧化得较少。

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"Iron is a transition metal and it can have different oxidised states, " explained Prof Grotzinger.

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The renowned oxidised copper plate dome was created by Madame Tussauds, originally to house its London Planetarium show.

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Then the leaves are rolled to bruise them, chopped, oxidised and slow-dried before being blended into Classic Tea, Afternoon Tea, Earl Grey and Green Tea.

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