The permeability change of solidified sludge was not only decided by the total infiltration volume of infiltration liquid but also controlled by the strength of acid;

污泥固化体渗透性的改变，不仅取决于酸性渗透液总的渗透量，也受酸的强度的控制；

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In fact, if you mix an acid and a base of equal strength, you will get a new liquid that is close to being neutral.

事实上，如果你将等量的酸碱混合，你会得到一种新的中性液体。

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Generally, the mechanical strength of the system could be improved in every age by acid activation.

多数情况下，经酸激发可提高体系在各龄期的强度。

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He rates the stock "underperform, " although he does see strength in some of Wyeth's drugs, including Effexor for depression, Protonix for acid reflux, and pneumonia vaccine Prevnar.

FORBES: Is Wyeth Getting An Easy Pass?