英语语法分析

Norbornene and its derivates have a similar self-healing function.

降冰片烯及其衍生物具有同以上系统相似的自愈合功能。

In the isomerization of vinyl norbornene, the conversion of VNB and selectivity of ENB are both almost 100%.

在乙烯基降冰片烯异构化中，VNB转化率和ENB选择性均接近100%。

The invention discloses norbornene-blocked polyimide resin, a preparation method and the application thereof.

本发明公开了一种降冰片烯封端的聚酰亚胺树脂及其制备方法与应用。