聚合物薄膜控释系统中，包衣膜h[img=~/QImg/Tiles/m.gif]，药物分子的扩散系数D[img=~/QImg/Tiles/m.gif]，单位面积体外累积释放量Q，药物在聚合物膜中的溶解度C[img=~/QImg/Tiles/p.gif]，时间t，若h[img=~/QImg/Tiles/m.gif]较大，D[img=~/QImg/Tiles/m.gif]极低则

A、Q=Ch[img=~/QImg/Tiles/m.gif]/D[img=~/QImg/Tiles/m.gif]t
B、Q/t=C[img=~/QImg/Tiles/p.gif]D[img=~/QImg/Tiles/m.gif]/h[img=~/QImg/Tiles/m.gif]
C、Q／t=h[img=~/QImg/Tiles/m.gif]D[img=~/QImg/Tiles/m.gif]/C
D、Q=C[img=~/QImg/Tiles/p.gif]tD[img=~/QImg/Tiles/m.gif]
E、Q／T=h[img=~/QImg/Tiles/m.gif]h[img=~/QImg/Tiles/m.gif]D[img=~/QImg/Tiles/m.gif]