合适的渗透溶剂可提高印迹膜对模板分子的渗透选择性。
Appropriate solvent could increase the permeation selectivity of the imprinted membrane for the template.
本文对高取代度氰乙基纤维素（HCEC）的制膜工艺进行了初步研究，并考察了膜的化学稳定性和渗透选择性。
In this paper, the fabrication technology of the HCEC membrane has been preliminary studied. The chemicals ability and permselectivity of the membranes were investigated.
将膜分离过程的成本定义为成本渗透率和有效选择性的函数。
The cost parameters for membrane separation of gases are defined in terms of effective selectivity and cost permeability.
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