1) transmembrane flux
跨膜通量
1.
The influences of vacuum tightness of downstream side,protein concentration,flow velocity of feed solution,additive,pH and ionic strength on transmembrane flux and the shape of lysozyme crystal were examined.
考察了膜下游真空度、蛋白质浓度、料液流速、添加剂、pH和离子强度对溶剂跨膜通量及溶菌酶晶体质量的影响。
2.
The results showed that the higher transmembrane flux occurred under the lower precipitants concentration and the lower protein concentration; the higher strippi
结果表明:溶剂跨膜通量随沉淀剂浓度的减小而增大;较高的洗脱液浓度在实验开始阶段引起较高的溶剂跨膜通量,而实验过程中使溶剂跨膜通量下降较快;溶剂跨膜通量随溶菌酶初始浓度的增大而减小。
3.
The transmembrane flux of solvent was evaluated at different membrane areas and temperatures.
首先本文采用聚丙烯中空纤维微孔膜对木瓜蛋白酶的静态膜结晶过程进行了沉淀剂的选择和优化,评价了不同温度和膜面积下的溶剂跨膜通量。
2) transmembrane channel
跨膜通道
3) Membrane flux
膜通量
1.
Study on the Application of BP Artificial Neural Network for Ultrafiltration Membrane Flux Prediction;
BP神经网络在超滤膜通量预测中的应用研究
2.
Influence of different molecular weight of nature organic matter on membrane flux
不同相对分子质量的有机物对膜通量的影响
3.
The modified MBR and non-modified MBR were applied to treat the wastewater,and the effluent quality,membrane flux and membrane filtration resistance were compared.
采用喷涂纳米TiO2的方法对聚偏氟乙烯(PVDF)微滤膜进行改性,用改性膜生物反应器(MBR)和非改性MBR处理污水,对比了两者的出水水质、膜通量和膜过滤阻力。
4) flux
[英][flʌks] [美][flʌks]
膜通量
1.
Membrane fouling of micro-filtration and ultra-filtration leading to flux decline in wastewater treatment can be attenuated by appropriate pretreatment.
这些技术对于提高膜分离技术对废水中各种污染物的去除能力以及减缓膜通量的降低都具有一定作用,而几种技术的组合则有利于膜分离性能的进一步提升。
2.
The performance of charged membrane under an external electric field was investigated by the ultra-filtration for dextran sulfate with molecular weight less than 10000 by means of determinations of flux,retention rate,decay and scavenging recovery of the membrane flux.
以分子量小于10000的右旋糖苷硫酸酯为分离对象,通过膜通量、截留率、膜通量衰减程度和膜的清洗恢复率等参数的测定,考察了外加直流电场作用下荷电超滤膜的分离性能。
3.
The study revealed while the MLSS=6 000 mg/L,Fe2(SO4)3 adding quantity is 100 mg/L,the membrane resistance reduces 34%,the flux increases about 1/3.
研究表明,当MLSS=6 000mg/L,硫酸铁投加量为100 mg/L时,膜阻力比不投加降低34%,膜通量提高1/3左右。
5) membrane permeability
膜通量
1.
16 MPa(optimal operation pressure),experiment can circulate 20 h continuously and steadily,and its average membrane permeability is 272 L· m-2·h-1.
16MPa下,系统可连续、稳定运行20h以上,平均膜通量为272L/(m·2h);化学清洗30min后,可使膜通量恢复至初始通量的95%;平均料液运行成本为4。
2.
16MPa(optimal operation pressure),experiment can circulate 20h continuously and steadily,and its average membrane permeability is 272L·m-2·h-1.
16MPa下,系统可连续、稳定运行20h以上,平均膜通量为272L。
3.
The study using ultrafiltration membrane to treat raw water from Nenjiang river near Qiqihaer city shows that the decrease of ultrafiltration membrane permeability is resulted from high turbidity of intake water.
采用超滤膜过滤工艺处理齐齐哈尔市附近嫩江水研究表明,超滤膜通量下降受进水浊度影响很大。
6) permeate flux
膜通量
1.
The variation of permeate flux and its impact factors were studied.
采用新型的重力出流式膜生物反应器(MBR)处理生活污水和垃圾渗滤液,考察了其在长期运行过程中膜通量的变化规律及其影响因素。
2.
It was shown that the permeate flux increased with increasing operation temperature within certain limits and flow velocity of ginger juice, and decreased with increasing concentration of ginger juice and operation time, and when operation pressure was 0.
本文研究了利用LS1型科研型超滤机制备生姜蛋白酶 ,结果证明 :操作压力为0 06Mpa时 ,酶活力和膜通量最好 ,浓缩度为80%,生姜蛋白酶得率为2 3%;膜通量随操作温度、姜汁流速的提高而增加 ,随姜汁浓度、操作时间的增加而降低 ;超滤法比单宁法、乙醇法提取的生姜蛋白酶的酶活力和得率高 ,更具有工业化生产价值。
3.
Using coagulation before UF increases permeate flux.
研究了原水温度、浊度、操作压力和混凝剂的加入量对膜通量的影响。
补充资料：跨膜电位
分子式：
CAS号：
性质：膜(主要指生物膜)两侧的电位差。它取决于膜内所带的电荷与膜两侧所带的电荷，后一种包含膜表面和相邻溶液所带的电荷。例如在安静状态的神经膜的跨膜电位大约为-75mV，表示细胞内侧相对于外侧低75mV，膜内侧显负电性而外侧显正电性。当神经细胞受激时，跨膜电位从-75mV变成了+50mV，膜内侧显正电性而外侧显负电性，此时将使膜内侧过多的阳离子挤出到外侧。
CAS号：
性质：膜(主要指生物膜)两侧的电位差。它取决于膜内所带的电荷与膜两侧所带的电荷，后一种包含膜表面和相邻溶液所带的电荷。例如在安静状态的神经膜的跨膜电位大约为-75mV，表示细胞内侧相对于外侧低75mV，膜内侧显负电性而外侧显正电性。当神经细胞受激时，跨膜电位从-75mV变成了+50mV，膜内侧显正电性而外侧显负电性，此时将使膜内侧过多的阳离子挤出到外侧。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条