The calculation of molecular formula of compounds was described by13C NMR (com, DEPT) data in this paper. It is a useful method for unknown compounds.
介绍了用13cNMR (COM,DEPT)数据计算化合物的分子式，该方法有利于未知化合物的分子式计算。
Gives a formula for calculation of crude oil molecular weight and compares the results calculated from crude oil samples.
给出了一个原油分子量计算公式，并对原油样品的计算结果进行了比较。
Gives a formula for calculation of crude oil molecular weight and compares the results calculated from crude oil samples.
给出了一个原油分子量计算公式，并对原油样品的计算结果进行了比较。
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