| 1. | Preliminary research on effect factors of permeation flux of pvdf microporous hollow fiber membrane
影响聚偏氟乙烯膜渗透通量因素的初步考察 |
| 2. | As a new separation technique , slms provides high permeability and good selectivity
作为一种分离技术,支撑液膜具有高渗透通量和高选择性等特点。 |
| 3. | Improving the permeation flux and selectivities of membranes and achieving moderation balance between them are the important points in the present study
提高膜的选择性和渗透通量，以及如何使两者取得适度平衡等是当前研究的重点。 |
| 4. | The pressure dependence of permeation flux indicates strong surface contribution . the way of filling hydrogen by continuous flow and / or bubble can increase permeation flux
从渗透通量与样品上游氢压的关系来看，涂层使得表面效应对渗透过程的影响很大。 |
| 5. | The structures of pamps molecule chains change along with the changes of solution environments ( ph and ionic strength ( i ) ) and thus affect the water flux and selective permeability of the composite membrane
Pamps分子链的构象随溶液环境( ph值、离子强度等)的变化而变化，从而影响膜的渗透通量和选择透过能力。 |
| 6. | Meanwhile , the pervaporation of pvb membrane containing etherified p - cd and ca membrane containing etherified p - cd were measured respectively , obtaining a permeation flux greater than other membranes with p - cd
同时，测试了醚化- cd与聚乙烯醇缩丁醛( pvb )共混膜，醚化- cd与ca共混膜的渗透汽化性能，获得了比较理想的渗透通量。 |
| 7. | In addition , the regression equations of permeate flux was developed to optimize the operating conditions . these equations could potentially be used to predict permeate flux in the pervaporation separation of water - ethanol mixture
利用实验数据分别对乙醇和水的渗透通量进行回归得到乙醇和水浓度的三次方程,可以根据该方程对渗透通量进行预测。 |
| 8. | Bacteria , turbidity and ha are removed by the sieving mechanism of size exclusion which depends on the membrane mwco . the decline of the membrane flux is mainly attributed to the cake layer formation , but the ha cake layer leads to much worse membrane flux decline than turbidity cake layer does
超滤对细菌、浊度和腐植酸的去除机理主要是膜的机械筛分，滤饼层的形成是膜渗透通量下降的主要原因，但腐植酸对膜渗透通量下降的影响远大于浊度物质。 |
| 9. | This paper mainly studied the characteristics of ultrafiltration for the removal of bacteria , turbidity , and humic acid ( ha ) . experiments were also carried out to examine the effects of turbidity and coagulation pretreatment on ha removal . the mechanism of uf separation was analyzed , and the uf flux decline was preliminarily discussed
本文主要研究了水中细菌、浊度和腐植酸的超滤特性，分析了超滤膜的分离机理，比较了不同截留分子量超滤膜对腐植酸的去除效果，同时研究了浊度物质和混凝预处理对腐植酸超滤效果的影响，初步探讨了膜渗透通量下降的规律和原因。 |
| 10. | For the separation of methanol / mtbe , the casting solvent mixtures were investigated in detail , it was found that the positive relationships between huggins parameter ( kh ) and permeation flux ( j ) were due to the casting solvent mixtures . thus , the separation performance could be improved by adjusting the casting solvent mixtures
对于meoh mtbe体系的分离，本文在已有的研究基础上，考察了铸膜混合溶剂对膜分离性能的影响，发现第二溶剂的添加使膜的渗透通量j有所提高，并且j的增加值与铸膜稀溶液的huggins参数kh成正相关。 |
