方法用分光光度法和电子自旋共振技术（ESR）检测加入或未加抗氧化剂等调节物的反应体系中反应产物及自由基中间产物的生成情况。
METHODS The reaction product and free radical intermediate in the reaction medium with or without antioxidants and other moderators was detected by spectrophotometry and electron spin resonance(ESR).
采用电子自旋共振（ESR）测年法，对元谋县竹棚豹子洞箐（86 0 3）和小河蝴蝶梁子（870 4 ）两个古猿遗址的化石进行了测定。
The fossils in two ancient ape relict sites (8603, 8704) of Yuanmou have been determined by the ESR dating method.
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