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- The application of monohydroxy or carboxy group compound to fluoro rubber were analyzed. 对一羟基或羧基化合物在氟橡胶胶料中的应用进行了研究。
- Ethyl chloroformate reacted with both the hydroxy group and the carboxy group of the 17 position. 用氯甲酸乙酯将17位醇羟基和羧羟基同时酰化;
- The controllable preparation processes of magnetic polystyrene core/shell nanospheres surface-functioned with carboxy group were investigated. 考察了核壳式表面功能化磁性聚苯乙烯纳米微球的可控制备工艺。
- Poly-carboxylic water-reducer is a polymer with sulphonic group and carboxy group and ether bond was indicated by Infrared absorption spectra. 经红外光谱分析表明,聚羧酸系减水剂是具有磺酸基、羧酸基、醚键的聚合物。
- The modified hyperbranched polyester with end in g acryloyl-group,carboxy group and photosensitive group was synthesized through the way of chemical modification. 本文通过化学改性方法,在超支化聚酯终端接枝丙烯酰基和羧基以及光敏基团,得到含有光敏基团的光固化水性超支化聚酯。
- A small amount of carboxy group and carboxamido-group, which are hydrolyzate of nitrile grouping, can be found in PAN. 同时PAN分子中还存在着少量腈基水解产物酰胺基和羧基。
- A new criterion to decide whether the carboxy group coordinating to the metallic ion in mono or bi dentate-fashion in an ambiguous situation, base on coordination bond distances and angles. 在很多情况下,一个羧基与中心金属离子是单齿配位还是螯合配位是不明确的。 通过上述晶体结构中配位键长键角的分析,得到了一个行之有效的标准,判断羧基与中心金属离子是单齿配位还是螯合配位。
- The process parameters controlled by CUSUM, such as intrinsic viscosity of polyester chip, end carboxy group and diethylene glycol etc, provide steady product quality and continous production. 通过对在线聚酯切片的特性粘数、端羧基、二甘醇等指标的累积求和统计控制,可保证产品质量稳定,保持生产连续稳定。
- Application of Monohydroxy or Carboxy Group Compound to Fluoro Rubber 一羟基或羧基化合物在氟橡胶中的应用
- 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。
- Keywords three electrode potential titration;phenol tetrachloroethane;terminal carboxy group; 三电极电位法;苯酚-四氯乙烷;端羧基;
- 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。