Generally, the heavier the relative molecular mass, the higher the content of aromaticstructure or the higher the content of carbonyl group, the more stable the emulsion is.
一般情况下，馏分的相对分子质量越大、稠环芳香结构和羰基含量越高，则乳状液越稳定。
2
The aromaticstructure of pentane asphaltenes is mainly peri condensed, while for resins the proportion of cata condensed and peri condensed aromatic structures is comparable.
戊烷沥青质中以迫位缩合的芳香环系结构为主，胶质组分中渺位缩合与迫位缩合的芳香环系结构各占相当比例。
3
Fragment ions characteristic of resin structure were detected along with aromatic ions derived from aromatic compounds.