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- Like the amino group, the phenolic group powerfully activates aromatic rings toward electrophilie substitution, and in essentially the same way. 对于亲电取代反应，酚基基本上以同氨基一样的方式使芳环强烈活化。
- Codeine has the same structure as morphine, but the phenol group is masked as a methyl ether. 可待因也有和吗啡相同的结构，但是酚基被甲基醚屏蔽了，结果。
- The apparent reaction order of phenolic group with epichlorohydrin and end epoxide group in oligomer are all second order.The rate constants and activation energy were determined. 实验证明酚基与环氧氯丙烷反应的表观反应级数为二级，与链末端环氧基的反应也为二级。
- Result:In the entire anaesthesia surgery process different third phenol group blood stream dynamics compares graciousness fluorine alkane group to be steady. 结果:整个麻醉手术过程中异丙酚组血流动力学较恩氟烷组平稳。
- If the content of hindered phenol group in antioxident is higher and its thermal stability is better,then the anti-thermo-oxidative ability forthe polyglycol is stronger. 具有高阻碍酚基团含量且耐热的抗氧剂，对聚乙二醇的热氧化保护能力最强。
- Donors such as amine and phenolic groups,when positioned ortho to a nitro group,are always involved in intramolecular hydrogen bonding. 在硝基邻位上存在的氢键给体如胺基,酚基时,总与硝基形成分子内氢键。
- Form UV diffuse reflectance spectra, it seems that carbonyl and phenolic groups mainly contribute to the light induced yellowing of poplar APMP. 紫外漫射反射光谱表明 ,杨木APMP机械浆光诱导返色的主要原因是纸浆木质素中羰基和酚羟基团吸收紫外光后变化形成发色结构所致。
- Gallic acid was firstly acetylized with acetic anhydride to protect phenolic groups, then reacted with SOCl_2 or PCl_5 to prepare intermediate tricetyl-galloylchloride, in which the yields were 80% and 90% respectively. 将没食子酸先用醋酐进行乙酰化保护酚羟基,后与酰氯化剂SOCl2或PCl5反应,制得三乙酰基没食子酰氯,得率分别为80%25和90%25;
- Keywords calix[8]arene;phenolic group modified;alkylating; 杯[8]芳烃;酚羟基改性;烷基化;
- 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。
- 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。
- He showed me a photo of a family group. 他给我看一张合家欢的照片。
- The chief accountant of a manufacturing group. 一个制造业集团的总会计师。
- The hunting group had good sport today. 今天打猎小组满载而归。
