The changes in the molecular weight and molecular weight distribution index of the resin during the semi-continuous polymerization were also researched.
本研究还考察了半连续聚合反应进程中苯丙树脂分子量和分子量分布指数的变化规律。
The changes of molecular weight and molecular weight distribute determined with GPC under given conditions may betoken whether polymer is living one.
用凝胶渗透色谱仪(GPC)在一定的条件下，测定聚合物的分子量及其分布的变化可以预示聚合物是否为活性聚合物。
The changes of the molecular weight distributions of xylan during enzymatic hydrolysis have been investigated with gel filtration chromatography.
采用凝胶过滤色谱法研究了木聚糖在酶解过程中分子量分布的变化。
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