您要查找的是不是：
- 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.
- 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。
- 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？
- Preparation of Supported Alkaline Catalysts and Their Applications to Transesterification and Carbonylation of Methanol and Diethylamine 负载型碱催化剂的制备及其在酯交换和醇、胺羰化反应中的应用
- 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;
- Becoming alkaline; slightly alkaline. 碱化的变成碱的; 弱碱性的
- 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;
- 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。
- The alkaline solution may help to reduce acidity. 碱性溶液有助于降低酸度。
- alkaline catalysts 碱催化剂
- Lipase acts only in an alkaline solution. 脂肪酶仅在碱溶液中才起作用。
- Those catalysts are used in small tubular reactors. 那些催化剂用于小型管式反应器。
- The alkaline inclination of the local waters. 地方水土的碱性倾向
- The last step is to regenerate the catalyst. 最后一步是将催化剂还原。
- 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。
- Catalysts can be used for about 5 years. 催化剂能用大约5年。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries
