知識(shí)貝殼
知識(shí)貝殼
所屬欄目：英漢雙解生物學(xué)
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 ） [閱讀本文] >>