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- The chelating surfactant,with a ED3A hydrophilic group,has excellent surface activity and metal ion complexing actions. 以ED3A为亲水基团的螯合性表面活性剂同时具有良好的表面活性和络合金属离子的作用。
- By intercalating hydrophilic group COOH, the self-emulsifying Polyurethane emulsion is prepared. 通过嵌段聚合引入亲水基因COOH制得自乳化聚氨酯乳液。
- The membrane hydrophilicity increases with the introducing of hydrophilic group to the monomer structure. ODPA和ODA由于亲水基团-O-的引入,使膜具有较强的亲水性;
- This paper introduces the preparation,propercies and applications of new nonionic surfacearts,which has poly(ethylene oxide)as its hydrophilic group. 本文概述了新型的以聚氧化乙烯为亲水基的非离子表面活性剂的制备,特性及其应用。
- Four types of water-solubility imidazolyl steroids enzyme model was synthesized by using steroids as enzyme model and glucose as hydrophilic group. 本文以甾体为仿酶模型,以葡萄糖为亲水基团,合成了4种水溶性咪唑基甾体模型,并对6种对-硝基苯酯的催化水解动力学进行了测定。
- In terms of its different hydrophilic group, surface-active agent can be classified into cationic, anionic and non-ionic surfactants. 根据亲水基团的不同,表面活性剂从化学角度可分为阳离子、阴离子、非离子及两性表面活性剂。
- It has shown that the polymer dispersant with flat structure in the hydrophobic group and dissociable anion in the hydrophilic group is much stable against the hydrolytes, w... 研究表明,疏水端平面结构好、亲水端可解离的阴离子聚合物分散剂抗电解质能力很强,以其为分散剂分散原生粒径较小的酸性炭黑,可以得到稳定性优良的分散液。
- The blending system has a better compatibility with 1227 when the anionic surfactant contains polyoxyethylene chain as well as the hydrophilic group of big steric hindrance of. 分子中既含聚氧乙烯链,又具有较大空间位阻亲水基(琥珀磺酸酯)的阴离子表面活性剂与阳离子表面活性剂1227具有较好的复配相容性。
- The fulvic acid or humic acid is the body, in which some proper lipophilic group or hydrophilic group has been inducted, of the series of humate surfactants . 该系列表面活性剂是以黄腐植酸盐或黑腐植酸盐为主体,在主体分子结构中引入了适当亲油基或亲水基而制成的。
- One is moisture permeable by porousness,the other is by hydrophile groups. 亲水性基团通过“吸附扩散解吸”传递水蒸气分子。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- He broke away from that lawless group years ago. 他在几年前脱离了那个非法团体。
- The group of barbaric soldiers killed many people. 那群野蛮的士兵杀了很多人。
- The group was made up of doctors. 这个团体是由医生组成的。
- A group of boys dashed out of the classroom. 一群男孩子从教室里冲出来。
- I come upon a group of children play in the street. 我遇到一群孩子在街上玩耍。
- He goes about with a group of nice boys. 他经常和一群好孩子在一起玩。
- Here we suggest a new method to stabilize the hydrophile groups by surface crosslinking. 首次提出了用表面交联法固定表面活性基团的思路及方法。
- He is a the most brisk young man in this group. 他是这个小组中最活跃的年轻人。
- We see that this bile salt has two types of hydrophilic groups: the sulfate and the three hydrox-ides. 胆汁酸盐具有两个亲水基团:硫酸盐有三个羟基。