Experiments were performed on the influences of the concentration of poly (vinyl acetal) and temperature on pure water flux and rejection of membranes.
实验又考察了聚乙烯醇缩乙醛浓度、铸膜液温度、凝固浴温度和盐含量以及添加剂含量等因素对膜纯水通量和截留率的影响。
The PVDF pipe microporous films which are made by using different solidification baths are different. Their pure water flux and cutting off rate are different as well.
不同凝固浴制得的PVDF管式微孔膜不同，膜的纯水通量和截留率也不同。
With the increasing of mass fraction of PEG, membrane porosity and pure water flux become larger, and the maximum tensile strength and elongation at break of the membrane criterion decrease gradually.
随着PEG质量分数的增加，膜孔隙率与水通量变大，最大拉伸强度、断裂伸长率等力学性能逐渐减小。
With the increasing of mass fraction of PEG, membrane porosity and pure water flux become larger, and the maximum tensile strength and elongation at break of the membrane criterion decrease gradually.
随着PEG质量分数的增加，膜孔隙率与水通量变大，最大拉伸强度、断裂伸长率等力学性能逐渐减小。
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