您要查找的是不是:
- The addition reaction with alkaline catalyst was used for the preparation of urea-formaldehyde prepolymer of rose perfume microcapsule. 以脲醛树脂为囊壁的玫瑰香精微胶囊,其囊壁原料脲-甲醛预聚体的制备,采用了碱催化下的加成反应工艺。
- Six carboxyl acids DEMB was produced with Michael Reaction using triethylamine as alkaline catalyst and solvent, malonic acid and itaconic acid as raw materials. 以三乙胺为催化剂和溶剂,衣康酸和丙二酸为原料,采用迈克尔加成反应合成了含有6个羧基的多元羧酸DEMB。
- Research indicated that with utility of A(symbol) as solvent and self-made alkaline catalyst in the carboxymethylation reaction, the percent conversion of amide achieved more than 90.5%. 研究表明,羧甲基化反应中,当采用溶剂A(代号)及自制的碱性催化剂时,其酰胺的转化率可以达到90.;5%25以上。
- The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes. 芳基甲烷在有机溶剂介质中、碱催化下的氧化缩合反应;是合成二苯乙烯(烷)类化合物的重要途径.
- Synthesis of Propylene Glycol Monomethyl Ether with Novel Alkaline Catalyst 新型碱性催化剂制备丙二醇单甲醚
- What shall we grow in this alkaline soil? 我们应该在碱性土壤里种什么?
- Keywords novel alkaline catalyst;propylene glycol monomethyl ether;propylene oxide;methanol; 关键词新型碱性催化剂;丙二醇单甲醚;环氧丙烷;甲醇;
- Keywords alkaline catalyst;propylene glycol monophenyl ether;phenol;propylene oxide;coalescent; 碱性催化剂;丙二醇苯醚;苯酚;环氧丙烷;成膜助剂;
- Becoming alkaline; slightly alkaline. 碱化的变成碱的; 弱碱性的
- The offer of a new job provided just the catalyst she needed. 这份新工作正是她所需要转变的契机。
- alkaline catalyst 碱性催化剂
- The alkaline solution may help to reduce acidity. 碱性溶液有助于降低酸度。
- The last step is to regenerate the catalyst. 最后一步是将催化剂还原。
- Lipase acts only in an alkaline solution. 脂肪酶仅在碱溶液中才起作用。
- War is a catalyst to help them to choose. 战争是一副催化剂来帮助他们选择。
- The alkaline inclination of the local waters. 地方水土的碱性倾向
- Debate is the best catalyst of thought. 争论是思想最好的催化剂。
- Becoming alkaline;slightly alkaline. 碱化的变成碱的;弱碱性的
- This water is strongly alkaline. 这种水呈强碱性的。
- I see my role as being a catalyst for change. 我认为我的角色是促成变革。