锌置换了稀酸中的氢。

Zinc displaces the hydrogen of dilute acids.

《新英汉大辞典》

钙锌离子交换试验表明钙离子与锌离子在海藻酸古洛糖醛酸片段的离子交换会影响锌离子与甘露糖醛酸片段的结合。

The ions exchange between calcium ions and zinc ions in L-guluronic acid units would influence the binding ability of zinc ion in D-mannuronic acid units.

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一些化合物，包括焦磷酸和柠檬酸锌，这些常常被使用，而且被证明是有效的。

Chemical compounds, including pyrophosphates and zinc citrate, are often added and have been proven effective.

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