The main principles in the door core material is the inclusion of charred material, a fire role. 主要的原理就是在门芯材料中加入炭化物，起到阻燃的作用。
The factors that influence the tableting of coated pellets are the polymer films, the core materials of pellets and the compressing filler excipients. 影响微丸压片的因素主要有聚合物衣膜，微丸丸芯材料和压片的辅料等。
