目的：制备双氯芬酸二乙胺凝胶并考察其释药影响因素。

Objective:To prepare diclofenac diethylammonium gel and study the factors affecting drug release by transdermal test in vitro.

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方法：采用正交试验，对双氯芬酸二乙胺凝胶进行体外透皮试验，以透皮扩散速率常数为考察指标。

Method: Orthogonal design was used in transdermal test with transdermal diffusion rate constant as selection standard.

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