电子顺磁共振波谱简称顺磁共振谱。属共振波谱的一种。在有机地球化学研究中，可以借其对自由基浓度进行检测。
该文简单介绍电子顺磁共振波谱法的基本原理、研究对象、方法及其在植物抗氧化活性检测分析中应用。
The basic principle, research object, method and applications of electron paramagnetic resonance in mensuration and analysis of antioxidation activity of plant were introduced in the paper.
结合电子顺磁共振波谱（EPR）测定结果，推定出了过硫酸钾的分解反应机理以及分解产物与浆料及纤维作用的机理。
The decomposition mechanism of the potassium persulphate is deduced with these and electron paramagnetic resonance spectrum (EPR). Its action mechanism with size and fiber is also done respectively.
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