1) oxygen or hydrogen permeable membrane
氧或氢渗透膜
2) hydrogen permeation
氢渗透
1.
The hydrogen permeation of 16Mn steel in a sea mud from the Bohai sea with and without sulfate reducing bacteria(SRB) was studied with an improved devnathan-stachurski′s electrolytic cell.
采用改进的devnathan-stachurski双电解池技术研究了16Mn钢在含硫酸盐还原菌(sulfate reducing bacteria,简称SRB)海泥和灭菌海泥中的氢渗透行为。
2.
The equations between 16MnR steel corrosion rate and steady current density of hydrogen permeation were used to calculate the wet H_2S corrosion rate of the interior of the equipment by detecting the hydrogen permeation.
钯合金膜氢传感器的信号稳定、可靠,由氢传感器检测氢渗透的稳态电流密度,通过16MnR钢的腐蚀速率随稳态氢渗透电流密度变化的方程,计算设备内部湿硫化氢腐蚀速率。
3.
The curves of hydrogen permeation in steels of A3,08F,16MnR and 20G were determined at temperatures between 293 K to 328 K by Devanathan-Stachurski cell.
在293 K~328 K的温度范围内,用Devanathan-Stachurski电池装置测定了氢在A3、08F、16MnR和20G钢中的氢渗透曲线,求得氢扩散系数与温度之间的阿仑尼乌斯方程,为监测钢在使用中氢的积累提供基本参数。
3) permeation hydrogen
渗透氢
4) penetration of hydrogen
氢气渗透
5) 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。
6) 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。
补充资料:低压反渗透膜
分子式:
CAS号:
性质:低压反渗透膜指操作压力为0.7~1.5MPa的反渗透膜,若操作压力为0.3~0.7MPa,称超低压反渗透膜。反渗透过程的操作压力是由水溶液的渗透压和反渗透膜性能决定的,反渗透膜性能好,只要操作压力略高于渗透压,就能得到近似理论计算值的透水量和很高的脱盐率,这是理想的低压反渗透膜。另一类超低压反渗透膜是用于含盐量很低的水溶液,其本身渗透压就很低,因而操作压力也低。当前工业用低压反渗透膜,用于含盐量1×10-3左右的水溶液脱盐,操作压力范围在0.3~2.1MPa,随操作压力降低,透水量成倍减少,脱盐率以百分点降低。
CAS号:
性质:低压反渗透膜指操作压力为0.7~1.5MPa的反渗透膜,若操作压力为0.3~0.7MPa,称超低压反渗透膜。反渗透过程的操作压力是由水溶液的渗透压和反渗透膜性能决定的,反渗透膜性能好,只要操作压力略高于渗透压,就能得到近似理论计算值的透水量和很高的脱盐率,这是理想的低压反渗透膜。另一类超低压反渗透膜是用于含盐量很低的水溶液,其本身渗透压就很低,因而操作压力也低。当前工业用低压反渗透膜,用于含盐量1×10-3左右的水溶液脱盐,操作压力范围在0.3~2.1MPa,随操作压力降低,透水量成倍减少,脱盐率以百分点降低。
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