1) salt rejection capability
截盐率
1.
The salt rejection capability to Na_3PO_4,K_2SO_4,Na_2SO_4,MgSO_4,KCl,NaCl and MgCl_2 (1000mg/L) were 90.
4MPa下制备的纳滤膜对1000mg/L Na_3PO_4、K_2SO_4、Na_2SO_4、MgSO_4、KCl、NaCl和MgCl_2的截盐率分别为90。
2) withhold of the salt tax
盐税截留
3) retention rate
截留率
1.
The retention rate of 1.
0g/L的Na2SO4截留率可达92。
2.
The effects of operation pressure,temperature,volume and initial concentration of fermentation broth on the membrane velocity and the retention rates of protein and L-calcium lactate were investigated,and the optimal processing conditions were determined.
采用超滤技术从L-乳酸发酵液中分离去除蛋白,研究了超滤过程中的操作压力、操作温度、超滤液的体积和料液初始浓度等主要因素,对膜通量和发酵液中蛋白质及乳酸钙2种主要组分截留率的影响;并确立了采用聚砜膜去除乳酸中蛋白工艺的最佳参数,在此条件下,蛋白质去除率达到91。
3.
The results showed that the retention rate of chitosan membranes increased by 83.
采用凝固浴凝胶工艺处理聚氨基葡糖超滤膜,实验结果表明,经凝固浴处理后,聚氨基葡糖超滤膜对酸性红B溶液的截留率提高了83。
4) retention
[英][rɪ'tenʃn] [美][rɪ'tɛnʃən]
截留率
1.
DMAc was selected as solvent and Polyvinylpyrrolidone (PVP K90) was selected as pore forming additive, the influence of Polyvinylpyrrolidone concentration on the shrinkage ratio, the pure water flux, the retention to BSA and the membrane structure of Poly(vinylidene fluoride)/polyethersulfone Blend Membranes were investigated.
采用二甲基乙酰胺为溶剂,聚乙烯吡咯烷酮(PVPK90)为致孔性添加剂,研究了PVP的浓度对聚偏氟乙烯/聚醚砜(PVDF/PES)共混膜的收缩率、纯水通量、牛血清蛋白(BSA)截留率和膜结构的影响。
2.
With dimethylacetamide as solvent and poly(vinylpyrrolidone) as pore forming additive,the effect of PES mass fraction on shrinkage ratio,pure water flux,retention to BSA and membrane structure of PVDF/PES blend membrane was studied.
用与聚醚砜共混的方法来改善聚偏氟乙烯膜的抗收缩性能,以二甲基乙酰胺作溶剂,聚乙烯吡咯烷酮为添加剂,研究了聚醚砜(PES)质量分数对聚偏氟乙烯/聚醚砜共混膜的收缩率、水通量、截留率及形态结构的影响。
3.
In addition with blending PVC,the composite membrane forming speed and microporous structure,pure water flux and retention experiment of egg albumin solution of PU/PVC/SiO2 membrane were improved significantly.
结果显示:SiO2的加入,可改善PU杂化膜的微孔结构并优化膜的性能,在该体系中加入PVC和PU共混,可以提高成膜速度及微孔结构,水通量和截留率得到了明显的提高。
5) COD rejection ratio
COD截留率
6) rejection rate
截留率
1.
The results indicate that the rejection rates of four different kinds of phenolic estrogens in water by the nanofiltration membrane can reach above 90%.
结果表明,纳滤技术是去除水中微量酚类雌激素的有效方法,纳滤膜对4种不同酚类雌激素的截留率均大于90%;在不调节原水pH值及离子强度的条件下,截留率由高到低依次为五氯酚、4-壬基酚、双酚A、2,4-二氯苯酚;影响膜过滤性能的主要因素是操作压力、离子强度和pH值,原水中酚类雌激素浓度对膜过滤性能的影响不大;膜过滤的最佳条件为:操作压力为0。
2.
The association of pore size and rejection rate was analyzed; the results will guide development of industrialized ceramic ultrafiltr.
以液-液排除法测定工业化陶瓷超滤膜的孔径及孔径分布,比较了两种渗透体系对测定结果的影响;用已知分子量标准物质考察了不同膜的截留行为,获得了各膜的切割分子量值,并分析了截留率与孔径的对应关系,为工业化陶瓷膜的开发提供依据。
3.
The rejection rate was measured and compared with the pore size and pore size distribution.
本文对工业化多通道陶瓷超滤膜进行了研究 ,以异丁醇 -蒸馏水体系用液 -液排除法测定了超滤膜的孔径及孔径分布 ,对同一膜管及体系 ,进行了重复性实验 ,测定了膜的截留率 ,比较了截留率与孔径及孔径分布的关系 ,讨论了操作条件对截留率的影响 ,为工业化膜的制备及选取提供指
补充资料：断截截
1.形容剪裁利索。
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