ethylene group的用法和样例：
例句
- The polymerization rate is first-order overall with first-order dependence on vinyl functional group concentration and independent of thiol functional group concentration.
聚合反应为一级，且聚合速率与乙烯基浓度有关，而与巯基浓度无关。 - Comparing TGA data and aging result in hot air by using eight cured ethylene silicone rubber samples,it has shawn TGA applied to screening heat resistant fillers.
通过二组共八个硫化的乙烯基硅橡胶样品的热重分析数据与热空气老化结果的比较，说明热重分析在筛选耐热添加剂方面的应用。
