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- The tacticity of polymers is mainly influenced by the polarity of substituent group of vinyl monomer. 作者认为影响聚合物等规度的因素主要是取代基的极性效应。
- XRD patterns showed that the N-phthaloyl-chitosan oligosaccharide can crystallize though there is a bulky substituent group hung from it. XRD也表明，尽管壳寡糖链上悬挂很大的取代基，但N-邻苯二甲酰化壳寡糖却具有结晶性。
- For reactive dyes,there is no revolution in chromophore parent and reactive group,the focuses are on the substituent group to improve the dyeing behaviors and commercialized technology. 近十年,活性染料的新发色母体和活性基没有新的突破性进展,引入取代基改善染色性能的结构修饰和商品化技术成为活性染料发展的重点;
- Light fastness of anthraquinone dyes was affected by many factors and it was mainly determined by dye structures,such as the kinds and position of substituent groups,dipole moment of the molecule. 影响蒽醌染料日晒牢度的因素有很多,主要取决于染料的分子结构,与分子中取代基的种类和位置、分子的偶极距等有关。
- 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。
- Keywords modified starch;X-ray photoelectron spectroscopy（XPS）;substituent group; 变性淀粉;X射线光电子能谱（XPS）;取代基团;
- 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 rate constants of compound is decreased with the increase of the number of substituent group on the phenyl. 随着苯基上取代基增大，其成色速率常数变小。
- 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。
- Effect of Substituent Groups on the Electronic Properties of a Molecular Wire 取代基对分子线电子性质的影响
- I stand out in a group interview. 在集体面试中脱颖而出。
- He looked around the small group of mourners. 他环顾一下那一小群的送葬者。
