2) two-step aqueous solution polymerization
两步水溶液聚合
1.
Novel polyacrylate/poly(ethylene glycol)(PAA/PEG) interpenetrating network(IPN) hydrogels were synthesized by two-step aqueous solution polymerization in the presence of crosslinker N,N'-methylene bisacrylamide and initiator ammonium persulfate.
以N,N’-亚甲基双丙烯酰胺为交联剂,过硫酸铵为引发剂采用新型两步水溶液聚合法合成出聚丙烯酸盐/聚乙二醇互穿网络(PAA/PEG IPN)水凝胶。
2.
Novel polyacrylate/starch semi-interpenetrating network(IPN) hydrogels were synthesized via two-step aqueous solution polymerization in the presence of a crosslinker of N,N -methylene bisacrylamide(NMBA),using ammonium persulfate(APS) and sdium pyrosulfite as the redox initiator.
以N,N’-亚甲基双丙烯酰胺为交联剂、过硫酸铵和焦亚硫酸钠为氧化还原引发剂,采用新型两步水溶液聚合法制备了聚丙烯酸盐/淀粉半互穿网络水凝胶。
3) two-step homologation
两步同系聚合
1.
In order to investigate the support effect on two-step homologation of methane, a series of Pt catalysts supported on MCM-41 mesoporous materials with Si/Al ratio of 10, 15 and ∞, as well as that on the MCM-41 ion-exchanged by NH4NO3, HAc and NaNO3, were prepared.
以纯硅和Si/Al比分别为15和10的MCM-41,以及经NH_4NO_3,HAc和NaNO_3的醇溶液交换的MCM-41为载体制得Pt/MCM-41系列催化剂,研究了在甲烷两步同系聚合生成C_(2+)烷烃过程中催化剂的载体效应。
4) two-step sope-free polymerization
无皂两步聚合
5) two-step phosphorus removal
两步聚磷
6) two-step focusing
两步聚焦
补充资料：水步
1.水兵和步兵。 2.指水上和陆上。 3.高于水面供人踩踏以渡水的木桩或石墩。 4.即水埠。
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