超滤技术的两个最主要障碍为对有机物去除效果差和膜污染问题。
Low Organic matter removal rate and membrane fouling are two key problems.
同时对产品的功能特性和膜污染问题进行研究，并提出了合理的清洗方案。
Functinal properties of the product, membrane fouling and cleaning methods was also studied. Moreover, reasonable cleaning method was designed in this paper.
针对反渗透膜在长期连续运行中造成的膜污染问题，进行反渗透系统的清洗工作。
Cleaning has been performed to the counter-infiltration membrane due to its pollution problem caused by long and continuous operation.
对膜污染问题进行了研究，指出浓差极化、滤饼层形成和膜孔堵塞是造成膜污染的主要原因。
Membrane fouling is analyzed, and that concentration polarization, cake layer and pore blocking are main reasons of membrane fouling are pointed out.
在膜生物反应器中使用聚丙烯中空纤维膜材料的膜组件，可以解决以往其它材料寿命短、强度低、易污染等问题。
The application of polypropylene membrane in MBR could resolve the problems of short life span and low strength that arc usually possessed by other material of membrane.
本课题的目的在于用海绵橡胶球对污染的管式膜进行清洗，以解决一些传统的清洗方法所不能解决的问题。
The paper is aimed to clean the fouled tubular membrane with rubber sponge balls in order to solve the problem which is not able to do with some traditional cleaning methods.
同时讨论了双极膜的污染和清洗问题。
The pollution and the cleaning of the membrane were also discussed.
膜污染和膜清洗是膜应用中不可避免的问题。
The pollution and clean of membrane are inevitable in the applications of membrane.
但膜污染依然是个较难解决的问题，制约了膜技术的应用。
But the membrane fouling is still a problem to solve, which limits the application of membrane technique.
本文也探讨了膜组件的优化设计、膜污染等问题。
The design and optimization of membrane distillation units and membrane pollution are also studied in this paper.
反渗透膜的污染是反渗透系统应用中最大的问题之一，及时的化学清洗可有效地恢复反渗透膜的性能、延长其使用寿命。
Fouling is one of the most important problems associated with the application of membrane. The performance of membrane can be restored by immediate chemical cleaning.
膜污染是膜生物反应器的主要问题，严重影响了废水处理的效果。
Membrane fouling is the main problem of membrane bioreactors, which seriously influences its wastewater treatment effect and running.
为此，针对残膜白色污染问题，采用农机农艺相结合的方法，研究设计了链条式烟田苗期地膜回收机。详细介绍了收膜机的总体结构及主要工作部件挑膜、起膜、送膜和卸膜的设计原理。
Aiming to the problem of white pollution and using the method that combine agricultural machinery and agronomic together, we design a miniature machine for retrieving plastic film of tobacco seedling.
本文就对多孔膜的污染问题进行了理论探讨，并针对多孔膜中硫酸钙垢的清洗作了一系列实验。
In this paper, theories of porous membrane fouling and cleaning were explored, and a series of experiments were especially done to clean CaSO4 scale in porous membrane.
本文就对多孔膜的污染问题进行了理论探讨，并针对多孔膜中硫酸钙垢的清洗作了一系列实验。
In this paper, theories of porous membrane fouling and cleaning were explored, and a series of experiments were especially done to clean CaSO4 scale in porous membrane.
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