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本文用溶剂萃取法和热重法测量了柴油机排气微粒中可溶有机成份(SOF),研究了SOF随发动机负荷的变化关系,并比较了溶剂萃取法与热重法所得结果。还对微粒中的苯并(a)芘进行了定量分析。
Solvent extraction and thermogravimetric methods were used to measure the SOF content of diesel engine exhaust gas particulates. The relationship between SOF and engine load was also studied. The results obtained by solvent extraction and thermogravimetry were compared. Benzo (a) pyrene in the particles was also quantitatively analyzed.