The scavenging effect of selenium on peroxyradical was directly investigated with two kinds of selenium compound by means of electron spin resonance (ESR) technique.
运用电子自旋共振（ESR）技术直接观察了两种硒的化合物对过氧自由基的清除作用。
2
In this thesis, the peroxyradical (HO_2 and RO_2) atmospheric chemistry reaction and radical amplifier chemistry water effect have been investigated with the theory method.