第三部分是讲对一物数卖不足的救济和解决。
The third part is on the remedies and resolution of the question of thing sold for times.
考察了聚合条件对共聚物数均分子量和醋酸乙酯(VA)质量分数的影响。
Effects of polymerization conditions on the copolymer molecular weight and VA weight content were studied.
结果表明核磁共振内标法求聚氧丙烯甘油醚类化合物数均分子量快速，方便，准确。
The results show that It is a high speed, convenient and accurate method as compared with end-group analytical method.
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