知识贝壳
知识贝壳
所属栏目：英汉双解化学
A substance that gives rise to hydro-gen ions (or H3 O+) when dissolved in wa-ter. An acid in solution will have a pH be-low 7. This definition does not take into ac-count the competitive behavior of acids insolvents and it refers only to aqueous sys-tems ......（本文共 966 字 , 1 张图） [阅读本文] >>