The possible existence of a crossing point between two potential hypersurfaces along the reaction coordinate for the cleavage reactions of aromatic radical anions is studied.
研究了芳族自由基负离子裂解反应中沿着反应坐标两个势能超曲面可能存在交叉点的问题。
Abstract: Aromatic azo compounds are widely used as organic dyes, biological medicines, food additives, radical initiators and so on.
摘要：芳香偶氮化合物广泛应用于有机染料、生物医药、食品添加剂、自由基诱发剂等领域。
An ethyl acetate extract of Hengshun aromatic vinegar (he) exerted a weak radical scavenging activity, and the main components were phenolic and acidic compounds.
恒顺香醋乙酸乙酯萃取物具有弱自由基清除活性，主要清除活性成分为酚性和酸性化合物。
The reactivities and selectivities of aliphatic and aromatic free-radical(substitution)reactions were explained semi-quantitatively by the perturbation molecular orbital theory.
从而用微扰分子轨道理论半定量地解释了脂肪族的游离基取代和芳香族的游离基取代反应的反应性和选择性。
The interaction between bilirubin and copper ions was studied by fluorescence method using 2, 2 '-bipyridyl as a hydroxyl radical trapper through the hydroxylation of the aromatic compound.
基于2,2-联吡啶芳环羟基化法，采用荧光光谱研究了胆红素与铜离子相互作用。
The interaction between bilirubin and copper ions was studied by fluorescence method using 2, 2 '-bipyridyl as a hydroxyl radical trapper through the hydroxylation of the aromatic compound.
基于2,2-联吡啶芳环羟基化法，采用荧光光谱研究了胆红素与铜离子相互作用。
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