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利用减压渣油及其超临界流体萃取分馏馏分的基本性质数据（H／C原子比、分子量、密度），由多元线性回归分析法得到了结构参数的关联式。并给出了在缺乏元素分析的条件下，渣油氢含量的预测式。模型简便可靠，有较大的实用价值。
Based on the basic properties data (H / C atomic ratio, molecular weight, density) of vacuum residue and its supercritical fluid fractionation fractionation, the correlations of structural parameters were obtained by multivariate linear regression analysis. The formula of hydrogen content in residual oil is also given in the absence of elemental analysis. Model is simple and reliable, have greater practical value.