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采用脉冲辐解技术，利用竞争动力学方法测定了中性条件下３种羟基肉桂酸衍生物（咖啡酸、阿魏酸和芥子酸）与超氧阴离子自由基的反应速率常数，结合稳态分析，探讨了相应的反应机理。
The reaction rate constants of three kinds of hydroxy cinnamic acid derivatives (caffeic acid, ferulic acid and erucic acid) with superoxide anion radical under neutral condition were determined by the method of pulsed radiolysis using competitive kinetics. Combined with the steady state analysis , Discussed the corresponding reaction mechanism.