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1·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。

2·The experiments show that large substituent group on Cp is favorable to the formation of CTSs with low ratio of ferrocenyl:POM.

比较发现，茂环上的取代基越大越有利于二茂铁基阳离子与多阴离子之比小的电荷转移盐的形成。

3·The results show that the formation of dimers depends on the nature of substituent group, dielectric constant of solvent, and concentration.

结果表明二聚体的形成取决于取代基团的性质以及溶剂的介电常数与溶液浓度。

4·Excellent selectivity was obtained for the separations of polar position isomers. The benzamide substituent group on crown ether makes the stationa…

由于冠醚上引入苯甲酰胺取代基，因而对苯胺类及不经衍生化的碱性化合物能特殊选择性地分离。

5·In this paper, the correlations of the formation of dimers with solvent polarity, concentration, nature of substituent group and central metal were investigated.

本文探讨了有关二聚体的形成与溶剂极性、溶液浓度、取代基团性质及络合金属原子的关系。

6·These results indicated that a suitable substituent at the 2-position of pyridine ring and a well-fit group at the 3-position of acrylate were both essential for hi.

生测结果表明在吡啶环的2位合适的取代基和丙烯酸酯的3位取代基的体积对除草活性至关重要。