PAS reaction

例句：

1. 1.The PAS reaction is a chemical process that involves the addition of a base to an acid solution.
   正压反应是一种化学过程，涉及向酸溶液中添加碱。
2. 2. In the PAS reaction, the base reacts with the acid to produce a salt and water.
   在正压反应中，碱与酸反应产生盐和水。
3. 3. The PAS reaction is used in various industries to produce chemicals and materials.
   正压反应被用于各种行业以生产化学品和材料。