地沥青质
地沥青质-
综合分析用各种方法得到的信息才能更好地认识沥青质这类复杂有机大分子的化学结构。
To understand better the complex chemical structure of asphaltenes , information obtained by various analytical methods should be combined .
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对沥青质吸附行为有个全面的了解，才能更好地认识石油沥青质吸附过程。
To under-stand better the adsorption progress of petroleum asphaltene must see the whole adsorption behavior of asphaltene .
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此外，670～900cm－1峰与1600cm－l峰的峰面积之比值反映了芳环周边取代状况，该参数能够较好地描述渣油及其沥青质热反应产物芳环周边取代的变化规律。
In addition , the extent of peripheric substitution in aromatic rings of asphaltenes and their thermal reaction products are expressed by the ratio of areas of 670 ~ 900 cm - 1 bands to that of 1600 cm - 1 band .