Ionic polymerization of isobutylene was carried out by using F-Kacid as a catalyst.
采用络合f - K酸作引发剂进行异丁烯阳离子聚合。
2
Avocado is considered the world's healthiest fruit, because of its nutrient contents such as vitamin K, dietary fiber, potassium, folic acid, vitamin B6, vitamin C and copper.