当以胺类化合物为猝灭剂时，可以清楚地观察到半片呐醇自由基的生成，并得到了它的瞬态吸收光谱。
When the amine was used as a triplet quencher, the ketyl radical of ketocoumarin can be observed evidently.
用脉冲辐解方法得到的瞬态吸收光谱显示，在近中性和酸性条件下，4 氯酚主要经由4 氯酚的OH加合物进一步转化而脱氯；
It is implied by the transient absorption spectrum that, under neutral and acid conditions, 4-chlorophenol is first transformed into OH-adduct, and then dechlorinates through further reactions;
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