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为定量解释海水中液-固界面的台阶型动力学曲线及其台阶的消长变化规律,在我们已提出的“液膜扩散和递进液膜扩散控制的复合模型”和“海水中液-固界面分级离子/配位子交换理论”基础上,吸取Crank的若干数学处理方法,进而提出适合于非稳态体系的“液膜扩散-递进扩散-界面分级交换反应联合控制的复合模型”。
In order to quantitatively explain the step-by-step kinetic curves of liquid-solid interface in seawater and the rule of the growth and decline of the step, in the “composite model of liquid film diffusion and progressive liquid film diffusion control” and "liquid- Based on the theory of interface-graded ion / ligand exchange, several mathematical methods of Crank were extracted, and then the composite model of liquid film diffusion-progressive diffusion-joint hierarchical exchange reaction control was proposed.