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利用脉冲辐解方法，研究了阿魏酸、芥子酸（ＨＣＡ）快速清除ＮＯ·２的机理，测得ＮＯ·２从ＨＣＡ抽氢反应的动力学常数为（７２—７４）×１０８ｄｍ３·ｍｏｌ－１·ｓ－１量级，并发现在弱酸性条件下ＨＣＡ也能有效清除ＨＮＯ２．
The mechanism of rapidly removing NO 2 by ferulic acid and sinapic acid (HCA) was studied by pulse radiolysis method. The kinetic constant of NO 2 hydrogenation from HCA was found to be (72-74) × 108dm3 · mol-1 · s-1 level, and found that HCA can also effectively remove HNO2 under weakly acidic conditions.