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- The decrease in insecticidal effect of ricinine after modification indicated that the cyanogens group played an important role in insecticidal effect of ricinine. 蓖麻碱改性后杀虫作用下降表明氰基团在蓖麻碱的杀虫作用中起了很重要的作用。
- The infrared spectral analysis of the hydrolyzation product shows that the hydrolyzation product contains carboxyl,acetamide group,and a small amount of cyanogen group. 水解产物的红外光谱分析表明，水解产物是含有羧基、酰胺基、环亚胺基等多种结构单元的共聚物。
- The arthor elaborates the measurement of the cyanogen group inversion rate of waste PAN yarn using acidic titrimetry under the condition of constant pressure alkali gydrolyzation. 论述了废旧腈纶毛线在常压碱法水解条件下，采用酸碱滴定分析方法测定氰基转化率，讨论了反应时间、温度、投料比等因素对水解反应的影响。
- To find out the modification method for removing the cyanogens group of ricinine, the basic quantum chemistry parameter of ricinine was calculated and the bond energy of the molecule was analyzed. 摘要 通过计算蓖麻碱的基本量子化学参数和分析蓖麻碱分子的键能，探索除去蓖麻碱分子上氰基团的改性方法。
- 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。
- 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。
- The group of destroyers damaged the bus. 那群破坏者毁坏了这辆公共汽车。
- He is the mainstay of our theatre group. 他是我们剧组的台柱。
- The group tour the museum at a leisurely pace. 这个旅游团悠闲地参观这个博物馆。
