Microsphere size, which has a significant effect on drug release rate, can potentially be varied to design a controlled drug delivery system with desired release profile.
微球大小对药物释放率有很重要的影响，人们认为可以改变其大小以建立一个药物释放符合需要能够控制药物释放的体系。
Objective: To study the in vitro release rate of ambroxol HCl osmotic pump controlled release tablets.
前言：目的：研究盐酸氨溴索渗透泵控释片的体外释放度。
Nutrients release rate and release duration were used to assess the effect of coated materials and its structure on the release properties of controlled release fertilizers.
以养分释放速率和释放期为主要指标评价了膜材料及其构成对调节控释肥养分释放特性的影响。
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