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。
The changes of these characteristic values with the molecular weight and the effects ofcrystal size and cell parameters on the melting point of polymer were studied.
研究这些特性参数随分子量的变化以及晶胞参数和微晶尺寸对熔点的影响。
The changes of molecular weight, life under heat, acid value, hydroxyl value and chlorine content of lac resin during bleaching and de-chlorinating processes have been studied.
本文研究了紫胶树脂在漂白和脱氯过程中分子量、热寿命、酸价、碘价、羟基值和氯含量的变化情况。
The degradation and cross-linking of soy peptides were studied by analyzing the changes of the different molecular weight peptides in Maillard reaction derived from soy peptides-xylose system.
通过研究大豆肽-木糖美拉德反应体系中不同的肽段随时间的变化，探讨大豆肽在美拉德反应中的降解与交联规律，以指导美拉德肽的有效制备。
Experimental results show that the changes of the amount of pore and pore size are adjusted by the factors such as amount and molecular weight of template and the technology of coating and calcining.
实验表明：随着模板剂分子量、用量，镀膜焙烧工艺的改变，薄膜表面孔的数量、分布、及孔径大小也随之改变。
Experimental results show that the changes of the amount of pore and pore size are adjusted by the factors such as amount and molecular weight of template and the technology of coating and calcining.
实验表明：随着模板剂分子量、用量，镀膜焙烧工艺的改变，薄膜表面孔的数量、分布、及孔径大小也随之改变。
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