The amount of carbon dioxide that is exhaled is important in regulating the acidity or alkalinity of the blood.

呼出的二氧化碳量对于调节血液的酸度或碱度是重要的。

The capsules, though, tend to stick together in the liquids used as electrolytes during electroplating, and are also destroyed by the extreme acidity or alkalinity that is often involved in the process.

在电镀过程中，不过，胶囊容易在使用的电解质液体中黏在一起，而且也会由于这一过程中通常出现的极酸性和极碱性而受到破坏。