(1) LR contains more resins and asphaltenes, and GR more saturates and aromatics. The property, composition and structure vary not only among the fractions from a single residuum but also between common fractions from different residua, which affect the H_as of the fractions. (2) H_as for fractions of a residuum are very different and tend to decrease in the general order Asp > Res Sat ≥ Arom. At a higher temperature, H_as of LR fractions are larger than those of the corresponding GR fractions. (3) H_as of the fractions can be inhibited when the fractions are mixed, which may result from the hydrogen donor structures in the residuum molecules. H_(AS) increase with increasing temperature and is different for different residua. H_(AS) also shows close relationship to the coke yield inhibition in the coking of residuum.
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机译：（1）LR含有更多的树脂和沥青质，GR更多饱和和芳烃。性质，组合物和结构不仅在单个残留物中的级分中不等，而且在不同残留物的常见级分之间不等，这影响了级分的H_As。 （2）残余物的级分的H_As是非常不同的，并且往往会减少一般阶ASP> RES SAT≥ROM。在较高的温度下，LR级分的H_As大于相应的GR级分的H_As。 （3）当馏分混合时，可以抑制级分的H_AS，这可能由氢供体结构在残留物中产生。 H_（AS）随着温度的增加而增加，不同的Residua是不同的。 H_（AS）还显示出与REACHING焦化中的焦炭产量抑制密切相关。
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