Ionic polymerization of isobutylene was carried out by using F-K acid as a catalyst.
采用络合f - K酸作引发剂进行异丁烯阳离子聚合。
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.
鳄梨是全世界公认的最健康的水果，它营养丰富，含有维他命K，食物纤维，钾，叶酸，维他命B6，维他命C和铜。
It has lots of vitamin c, carotenoids, vitamin K and folic acid.
花椰菜中富含维生素c、类胡萝卜素、叶酸。
应用推荐