Therefore, the content of paraffinic &alicyclic hydrocarbons and aromatic hydrocarbons in these heavy oils can be characterized by this method.

• 研究结果表明:前三种油的氢碳原子比、芳香度与重质油的饱和烃加环烷烃、芳烃含量之间存在着良好的线性关系,可用线性方程来表示。