This thesis reports the research results on the compositions and structures of some typical overbased sulfurized alkylphenates by using electron spectroscopy and freeze-etching electron microscopy.

• 本文报道了应用冷冻蚀刻电镜及电子能谱等方法对国内外典型的高碱度硫化烷基酸盐添加剂的组成结构进行了研究；