The results showed that increase hard segment content, soft segment sequence length and ionic group to be favourable for rising tensile strength.

研究表明：硬链段含量、软链段链长的提高和离子基团的增加均有利于拉伸强度的提高。

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Ionomers can be classified according to either the electric charge of ionic group pendant to polymer chain or distribution of ionic group, and or character of the matrix.

离聚体可按连接基团的电性、离子基团在主链上的分布、基体的性质而分成各种不同类型。

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The structure and characteristics of homemade DCS system being used on imported ionic membrane caustic soda unit in Hangzhou Electrochemical Group Co. , Ltd. was introduced.

介绍了杭州电化集团有限公司在引进离子膜碱装置上采用的国产DCS 系统的结构及特点。

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Now, remember, the formation of the ionic bonds was from group one and group two, and over here with group six and seven.

现在请记住，离子键的形成,从第一族和第二族元素，与六七主族的元素相互构成的。

麻省理工公开课 - 固态化学导论课程节选