As well as the petroleum sulfonates sums up the situation, and the mechanism of sulfonated elaborate.
并对石油磺酸盐的研究现状进行了总结，且对磺化机理进行了详细阐述。
2
In 2002, the restructuring of well test companies within the China National Petroleum Corporation furthered the competitive situation which had already been furious in the domestic well test market.
Under such situation, some important directions of medium and long term research of petroleum processing industry are suggested, emphasizing the probe of certain new concepts.