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.
一层塑料薄膜起着选择性渗透屏障的作用。
渗透也就是水从膜的一边有选择性的通过另一边。
Osmosis involves the selective movement of water from one side of a membrane (a plastic film that looks similar to cellophane) to the other.
介绍了粗颗粒选择性渗透水泥石一次选择性渗透能力的实现方法。
The method of realizing selective permeability for cemented stone with big grain and selective permeation is introduced.
实验结果表明，热处理条件对复合膜的分离选择性、渗透通量及分离指数具有明显影响。
Experiment results show that heat treatment conditions have remarkable effects on the permselectivity, permeability and pervaporation separation index.
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.
对不同渗透率的岩芯，堵水剂的堵水率大于85%，堵油率小于20%，具有良好的选择性。
For the cores with different permeability, its water plugging rate was higher than 85%, oil plugging rate was lower than 20%, and-selectivity was good.
试验结果表明，FD- 2型封堵剂的堵水率高，耐冲刷能力强，并可首先进入渗透率较大的井段，实现选择性堵水。
The results showed that the plugging agent had high water - plugging rate and good resistance to flushing. It plugged water selectively by entering the well stratum with high permeability first.
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.
研究选择性学习在高考试题命制过程中的渗透和体现，可以为日常的历史学习提供有益的借鉴与启发。
The study on the role of selective learning in the question setting for college entrance examination of history will provide benefit lessons and enlightenments for ordinary history teaching.
结果表明，该堵剂可使水相渗透率下降85%以上，油相渗透率下降25%以下，具有明显的选择性封堵作用及优良的耐冲刷性。
The results showed that, the permeability of water phase decreased 85% at least, the permeability of oil decreased no more than 25%. PDZ-1 has high selective plugging and a nice flushing resistance.
并讨论了聚合物材料合金化对膜结构及膜的渗透性和选择性的影响。
While the structure and penetrative and selective performances of polymer alloy membranes are highly related to the compatibility of the polymers involved, so this topic was talked over...
并讨论了聚合物材料合金化对膜结构及膜的渗透性和选择性的影响。
While the structure and penetrative and selective performances of polymer alloy membranes are highly related to the compatibility of the polymers in...
并讨论了聚合物材料合金化对膜结构及膜的渗透性和选择性的影响。
While the structure and penetrative and selective performances of polymer alloy membranes are highly related to the compatibility of the polymers in...
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