商法的独立性根源于其调整对象“商”的独立性，商法的独立性表现为其基本内容和基本形式的独立性。
Independence of commercial law originates from independence of "commerce" that the law regulates. Independence of commercial law lies in the independence of its essential contents and its basic forms.
这种分离膜可通过电化学控制来改变其物理和化学特性，从而可就地调整膜的迁移特性和选择特性；可制成独立式膜、 复合膜以及基于培养基的薄膜等以适合不同的应用。
The chemical and physical properties of the membrane can be manipulated by way of electrochemical control that is different from the membranes based on the traditional polymers.
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