In ionic solutions, the condition of electrical neutrality provides such an additional relation too.

在离子溶液中，电中性条件亦提供了这种附加关系式。

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At its heart are solutions called ionic liquids. They do not have a smell themselves and can swallow up the scent of any chemical that is attached to them.

其核心是一种称为离子液体的溶液。它们自身没有任何味道，但是可以吸收附着在它们之上的任何物质的味道。

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In reference to the phenomena of color change of edible salt, this paper states the color-changing mechanism and the solutions, and details in the ionic testing method for color-changed salt.

针对食用盐变色的现象，阐述了食用盐变色的机理及解决的方法，详细讨论了涉及盐变色的离子检测方法。

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