The factors affecting membrane pore blocking are analyzed,such as the material,pore size,the roughness of membrane surface,the properties of solute and treating solution,and the operation mode.
介绍了膜生物反应器(MBR)中膜污染形成的机理,分析了膜材质、膜孔大小、膜表面粗糙度、过膜溶质性质、处理液性质、过膜操作方式等因素对膜孔堵塞的影响,阐述了控制膜孔堵塞的重点和主要方法,指出了今后解决膜孔堵塞问题的研究重点。
Finally,deduced a conception of membrane pore blocking rate by means of some method.
首先利用伯努力方程导出微孔过流断面的流速,其次引用水力学中元流的概念,推导出超滤膜的有效过滤面积,然后通过一定的方法推导得出膜孔堵塞率概念。
Evaluation index for membrane fouling degree--Membrane pore blocking rate
膜污染程度的评价指标——膜孔堵塞率
What it can do: Dissolve pore-blocking debris.
功效：可溶解堵塞毛孔的皮肤碎屑。
Cause and Solutions of Plugging Materials in the High-Speed Punching Hole
高速冲压冲孔堵塞的成因及预防措施
This process suffers mainly from clogging the membrane.
这种过程的主要问题是滤膜的堵塞。
To fill(a hole)tightly with or as if with a plug;stop up.
用塞塞紧，栓紧用或仿佛是用一个塞子来填紧（一个孔洞）；堵上
Influence of Nozzles Blocking of RH Up-Snorkel on Circulation Flow Rate
RH上升管吹气孔堵塞对循环流量的影响
On reasons for jammed drilling driven cast-in-place pile and dealing measures
浅谈钻孔灌注桩导管堵塞原因及处理措施
An instance of clogging or obstructing.
阻塞堵塞或淤塞的实例
This mild formula won't clog pores and is gentle enough for everyday use.
这温和的配方并不堵塞面部的毛孔，适合于每天使用。
"The tiny natural holes in the skin, pores, then become blocked with oil and dead skin."
皮肤上细小的毛孔就被这种皮脂和失去活力的皮肤组织所堵塞。
There is an opening in the bottom of the ladle, called nozzle, which is sealed with a vertical refractory stopper.
盛钢桶底有个叫作水口的孔，由一根直立的耐火材料做的塞棒堵
Under extreme conditions of rapid coke forming materials, pore mouth blockag e can occur.
在快速形成焦炭物料的极端情况下，孔口会发生堵塞。
A whitehead is the early stage of acne when the pore is plugged with oil and skin cells.
白头是痤疮的早期状态，由于毛孔被油脂和皮肤的细胞堵塞而形成。
Reasons and preventive measures on diesel engine starting plug nozzle and the flywheel roll key
柴油机起动喷孔堵塞及飞轮滚键的原因及预防措施
Study on the Structure of Bordered Pit Membrane and Micropores on Margo of Cunninghamia Lancelata Tracheid;
杉木管胞具缘纹孔膜及其塞缘微孔构造
Clogged pipes backed up drain water.
阻塞的水管堵塞了沟水。
Exfoliating and pore purifying cleansing pad opens clogged pores, improves skin clarity and reduces the appearance of acne for a healthy, smooth complexion.
磨皮和毛孔清洁扑打开堵塞毛孔，改善皮肤清洁，减少痤疮产生，令皮肤更健康光洁。
"f a pore gets blocked but stays open, the top surface can darken and you are left with a blackhead."
而如果毛孔堵塞但没有关闭,毛孔的表面颜色就会加深,黑头粉刺就出现了。