目的：制备氟比洛芬包衣小丸，评价其体外释药特性。
Objective: To prepare flurbiprofen coated pellets and evaluate its release characteristics in vitro.
目的探讨羧甲基壳聚糖包药微球体的制备及体外释药特性。
Objective to prepare carboxymethyl chitosan microspheres of fluorouracil (FU-CMCS-MS), and measure the releasing of FU-CMCS-MS in vitro.
目的：制备小剂量阿司匹林胃漂浮胶囊并研究其体外释药特征。
OBJECTIVE: to prepare aspirin gastric floating capsule and to study its in vitro drug-release characteristics.
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