first order derivative spectrophotomatry
...一阶导数光谱法；含量测定 [gap=936]hedrine hydrochloride and prednisolone acetate nasal drops；Prednisolone acetate；First order derivative spectrophotomatry；Content determination ..
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first order derivative spectrophotomatry
一阶导数分光光度法
以上为机器翻译结果，长、整句建议使用 人工翻译 。