首先利用原油实沸点蒸馏数据将原油切割为一定数目的虚拟组分，并以此作为常减压装置初馏塔的输入。
First of all, crude oil was cutting into several pseudo components which act as input of primary tower according to its true boiling points data.
该方法用显式关联直接将恩氏蒸馏数据转换成实沸点蒸馏数据和计算出馏分的中平均沸点，然后用积分法切割假组分。
The ASTM data was treated to produce the TBP data and the mean average boiling point by explicit correlations and then the pseudo-components were cut by using the integral method.
本文提出了一种从镏分恩氏蒸馏数据和总体密度对石油馏分进行假组分切割和物性估算的方法。
A characterization approach for petroleum fractions based on the ASTM distillation data and the overall density has been proposed.
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