Higher salt concentrations alone may inhibit ion uptake.

单单只是盐浓度高就会阻碍离子吸收。

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Plant uptake of a metal depends primarily on the free metal ion activity.

植物对金属的吸收主要取决于自由态离子活度。

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Electrophysiological studies have shown that ion channels play an important role in mineral uptake, translocation and salt resistance.

电生理学的研究表明，根细胞离子通道对于矿质吸收、转运及植物耐盐具有重要作用。

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The level of concentration in water had a "negligible effect" on people's uptake of the fluoride ion - responsible for increased risk of fractures, they said.

BBC: Fluoride 'does not cause fractures'