These former papers show that nitroaromatics and azo dyes are strong electronattracting, which make them difficult to be biodegraded in aerobic conditions.
回顾了硝基芳香化合物和偶氮化合物在厌氧条件下的生物脱毒、转化和矿化作用的研究成果。
2
Usually, the reduction potential is shifted to more positive by electron-attracting groups and to more negative by electron-repulsing groups.