polynuclear aromatic hydrocarbon 多环芳香烃
condensed polynuclear aromatic hydrocarbon resin 缩合多核芳香烃树脂
16 kinds of hydrocarbon polynuclear 种多环芳烃化合物
To detect Polynuclear Aromatic Hydrocarbon(PAHs) in soil using micro amplitudeextraction-HPLC, The pre-treatment of sample was studied.
建立了微波萃取—高效液相色谱测定土壤中多环芳烃组分的方法，详尽地叙述了土样预处理过程。
Meanwhile, there is a low content of compound in unthickened polynuclear aromatic hydrocarbon (PAH) and pah mix which both are poor in chemical stability.
化学不变性差的非稠环芳烃、混环芳烃化合物含量减小。
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