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1·METHOD: The contents of budesonide in different size range were determined by multistage liquid impinger and HPLC.

方法：采用多层液体冲击器法与HPLC测定不同粒径范围内布地奈德的含量。

2·The conception model, assembly model and parts model of pneumatic hole impinger are established by the method of intelligent modeling.

采用智能产品建模的方法，建立了气动潜孔冲击器的概念模型、装配模型和零件模型。