The VPO average molecular weight of vacuum residues and asphaltenes all decreased.
减压渣油和正庚烷沥青质的VPO平均相对分子质量都减小了。
The average molecular weight and molecular weight distribution were determined with acid hydrolyzed iron dextran samples.
样品经酸水解，测得右旋糖酐铁中右旋糖酐的重均分子量和分子量分布。
It introduced the gel chromatography to determine the average molecular weight and molecular weight distribution of high polymer.
介绍了用凝胶色谱法测定高聚物的平均分子量及分子量分布。
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