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用脉冲辐解法研究了稀土硝酸盐对生成超氧阴离子自由基 (·O2 - )的抑制作用。稀土硝酸盐对脉冲辐解充氧甲酸钠溶液产生·O2 - 有明显的抑制作用 ,抑制率在 2 8%～ 92 %之间 ,且稀土硝酸盐浓度与其对·O2 - 的抑制作用之间存在明显的剂量效应关系。
The inhibitory effect of rare earth nitrate on the formation of superoxide anion radical (· O2 -) was studied by pulsed radiolysis. Rare earth nitrates have a significant inhibitory effect on the O2 · production by pulsed radiolytic sodium formate solution with the inhibitory rate between 28% and 92%, and there is significant difference between the concentration of rare earth nitrate and the inhibitory effect on O2. Dose-response relationship.