知识贝壳
知识贝壳
所属栏目：英汉双解生物学
A substance that gives rise to hydro-gen ions (or H3O+) when dissolved in wa-ter. An acid in solution will have a pH below7.This definition does not take into accountthe competitive behavior of acids in solventsand it refers only to aqueous systems. TheLo ......（本文共 911 字 ） [阅读本文] >>