1) ultrathin dense-selective layer
超薄致密选择性分离层
1.
Using polyethersulfones as membrane materials,N-methyl-2-prirodidone(NMP) as a solvent,ethanol as a nonsolvent,NMP-water as the bore solution,the dope solution of PES∶NMP∶Ethanol 35∶57∶8 in wt% was obtained and PES hollow fiber membranes with an ultrathin dense-selective layer for O2/N2 separation were prepared by dry/wet phase separation method.
以聚醚砜为膜材料,N-甲基吡咯烷酮(NMP)为溶剂,乙醇(Ethanol)为非溶剂,NMP-Water为芯液,PES∶NMP∶Ethanol 35∶57∶8为铸膜液,采用干/湿相转化法制备了超薄致密选择性分离层PES中空纤维膜,讨论了芯液组成、芯液流量、硅橡胶种类、芯和凝胶槽温度对PES-A中空纤维膜结构、气体性能和机械性能的影响。
2) separation selectivity
分离选择性
1.
The chiral selectivity optimization was achieved with the use of dual CD systems consisting of CM-β-CD/HP-β-CD,and a desired separation selectivity to be obtained through adjusting the pH to lea.
以HP--βCD/CM-β-CD组成的双环糊精系统能更好地优化手性选择性,而通过调节pH可以获得需要的分离选择性、迁移次序。
2.
Based on the above system,the relationship between fundamental parameters of preparation of molecularly imprinted polymers and their effect on the separation selectivity was studied.
以该体系为例对制备蛋白质印迹聚合物的各个基本参数与分离选择性的关系进行研究。
3) selective separation
选择性分离
1.
The research on application of pHsensitive membrane to selective separation and drugrelease technology is also reviewed.
介绍了pH值响应分离膜的主要类型及其制备,评述了制备两性型pH值响应分离膜的新型聚合物膜材料、接枝膜的种类、天然膜材料改性以及pH值响应分离膜的表面电荷分布特征;综述了pH值响应膜在选择性分离有机离子化合物、分离无机离子和药物释控技术中的应用研究进展。
4) selective isolation
选择性分离
1.
Based on an improved selective isolation techniques,31 soil sample collected from Anhui,Zhejiang,Shandong,Shaanxi et al provinces of China were screened .
在优化土壤稀有放线菌选择性分离方法的基础上,对从安徽、浙江、山东、陕西等地采集的31份土样中的稀有放线菌进行了选择性分离。
2.
A novel method for selective isolation astaxanthin high-yield mutants of Phaffia rhodozyma with Fe3+ was developed.
用Fe3+作为筛选剂选择性分离虾青素高产菌株,实验结果表明,海洋红酵母的菌落形成率随平板培养基中Fe3+浓度的增加而降低,当Fe3+浓度为5 mmol/L时,海洋红酵母的菌落形成率降至0;海洋红酵母的虾青素体积产率和细胞产率随摇瓶培养基中Fe3+浓度的增加而降低;在含有5 mmol/L Fe3+的平板培养基中分离甲基磺酸乙酯(EMS)诱变得到的海洋红酵母,大约有31%的菌落虾青素体积产率高于出发菌株。
3.
The article discussed several media for the selective isolation of rare actinomycetes.
介绍了几种培养基选择性分离稀有放线菌的有效方法,如采用葡萄糖-天门冬酰胺改良培养基、淀粉-甘油培养基和甘油-酪素培养基从沙漠土样分离稀有放线菌;利用吉兰糖胶选择性分离Sporichthya,Planobispora,Planom-onospora,Actinomadura rugatobispora等。
5) ion-selective coating
离子选择性涂层
1.
The corrosion compositions of carbon steel depriving of the painted ion-selective coatings after exposure in 3%NaCl solution for 30 days.
用XPS分析不同离子选择性涂层下碳钢表层的化学组成 。
6) thin tight reservoir
致密薄储层
补充资料:连续性与非连续性(见间断性与不间断性)
连续性与非连续性(见间断性与不间断性)
continuity and discontinuity
11an父ux泊g四f“山。麻以角g、.连续性与非连续性(c。nt,n琳t:nuity一)_见间断性与不间断性。and diseo红ti-
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