1) Membrane Osmometer
膜渗透计
2) high speed membrane osmometer
高速膜渗透计
3) membrane permeability
膜渗透性
1.
membrane permeability, metal ion rejection ratio and ΔpH (pH permeate-pH retentate) were measured by using polysulfone hollow fiber ultrafiltration membranes (molecular weight cut-off 6kDa).
分别以NaCl、KCl、MgCl2、CaCl2和AlCl3溶液为背景电解质液,测定了聚砜中空纤维超率膜(截留分子量为6k)的流动电位、膜渗透性、离子截留率及pH值差(pH渗透液-pH截留液),并考察pH值对这些参数的影响;在此基础上,研究不同pH环境中离子混合溶液的超滤行为,并与单一溶液进行比较。
2.
Effects of ionic strengths on streaming potential, membrane permeability, ionic rejection ratio and ΔpH (pHpermeate- pHretentate) were studied in various natural solutions.
以KCl溶液为代表,考察了压差对电位差的影响;测定了聚砜中空纤维超滤膜(截留分子量为6k)在KCl、NaCl、MgCl2、CaCl2和AlCl3背景电解质液中的等电点;研究了不同性质溶液的离子强度对流动电位、膜渗透性、离子截留率及ΔpH值的影响。
3.
Objective:To investigate the effects of compound compatibility on the stability in gastrointestinal tract,membrane permeability and lipophilicity of panaxnotoginseng saponins (PNS).
目的:研究复方配伍对三七总皂苷(PNS)的胃肠道稳定性、膜渗透性及脂溶性的影响。
4) RO membrane
反渗透膜
1.
Study on RO membrane fouling in landfill leachate treatment;
处理垃圾渗滤液的反渗透膜污染研究
2.
RO membrane fouling analysis and cleaning;
反渗透膜的污染分析及其清洗
3.
In this paper the recent research development at home and abroad on the modifications of high denominator materials and its derivates used as RO membranes was reviewed and its study direction was put forward.
介绍了反渗透膜的高分子材料及其衍生物材料的种类,叙述了改性方法及研究进展,提出了今后的研究方向。
6) membrane permeating
膜相渗透
1.
The experimental results showed that when electrical field was introduced in the membrane permeating electroless plating,the resulting Ni-Co/PTFE composite magnetic coating was thin and had a smaller pore diameter,while mor.
采用扫描电子显微镜、能谱分析和X射线能谱等方法,研究了电场作用对膜相渗透化学镀NiCo/聚四氟乙烯(PTFE)磁性复合膜结构参数、膜孔中金属粒子的含量以及粒径大小的影响。
补充资料：渗透计(osmometer)
【渗透计】(osmometer)用以测定高分子溶液渗透压借以测量其分子量的仪器。有两个溶液池，一溶液池上接毛细管，下部通过半透膜与另一溶液池相接触。从两液面差可求压力及分子量。`(\pi/c)_(c\to0)=(RT)/barM_n`，式中`barM_n`为数均分子量。渗透计半透膜面积要大，毛细管要细，使达到平衡所须时间少。种类很多，较新的系一快速自动平衡渗透计，能自动调节溶剂贮槽位置，使溶剂能立即和溶液达到平衡。溶剂流动方向可用毛细管内气泡指
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