acid
基礎(chǔ)科學(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 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 1025 字）     [閱讀本文] >>