Aspirin controlled release matrix tablets were prepared using quantitative controlling method of high speed stirring granulation technology. 用均匀设计法设计试验，对高速搅拌制粒工艺进行定量化控制，制备了阿司匹林控释骨架片。
The advantages as well as the challenges of LBL technique for local drug release films are summarized. 系统总结了层状组装作为先进药物控释涂层材料的优势。
