By experimental measuring, it is proved that the exchanging rate is direct propotional to the mash size of resin, and has nothing to do with its mass.

• 根据液膜控制机理的假说，通过实验得出：在一定条件下，交换速率的大小与树脂直径大小成反比的性质；与测定时选取树脂质量的大小无