星点设计-效应面法优化盐酸罗沙替丁醋酸酯胃漂浮缓释片制剂处方*
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Formulation Optimization of Roxatidine Acetate Hydrochloride Gastric-floating Sustained Release Tablets by Central Composite Design-Response Surface Methodology
Yishan DUAN,Xueyi LI,Guizhi ZHANG
图1 X1X2Q8 h影响的响应面图(A)和等高线图(B)
Fig.1 Response surface plot(A)and contour diagram(B)of X1 and X2 versus Q8h