顺反构型的英文

例句与用法

1. Systemic research including the influence of the crown ether ring ' s symmetry , the size and the conformation on the liquid - crystalline behavior have been done in this paper . the synthesis way and method were improved . from the experimental results , it was found that : 1 , compounds 2 , 4 , 16 , 17 and 18 have liquid crystal properties
   优化和改进了合成路线及方法，对席夫碱型液晶冠醚，因取代基的大小、冠醚环的大小和冠醚环的对称性以及不同结构的顺反构型对液晶性能的影响等诸方面进行了较系统的研究，取得了一系列具有规律性的结果。