Under the conditions of low surface potential and weak applied electric field, the electrophoretic mobility of a particle is evaluated by a superposition method.

• 在低表面电位、弱外加电场与低雷诺数的假设下，吾人利用加叠原理求解相关电场与流场之线性化方程组，并获得胶体粒子的电泳速度(或电泳迁移率)。