用粘度法测定了复合树脂中pvc的粘均分子量。
Molecular weight of PVC composite resin was determined by viscometer.
用粘度法测定氧化聚乙烯蜡的粘均分子量。对测定方法、步骤及影响因素做了详细介绍。
Use viscometry to determine viscosity-average molecular weight of oxidated polyethylene wax and introduce the measurement, process and effect factors in detail.
研究了催化剂浓度、聚合时间、真空度、聚合温度和陈化温度等对聚合收率和聚合物粘均分子量的影响。
The influences of catalyst concentration and aging temperature, polymerization time and temperature on molecular weight of the polymers were studied.
结果表明：通过优化反应条件，使得在苯溶剂中合成出的聚L-乳酸的粘均分子量可达到232，000。
The result shows the viscosity-average molecular weight of poly(L-lactic acid) attains to 232,000 synthesized by optimizing the reactive conditions.
用稀溶液粘度法测定了几种不同氯化聚丙烯粘均分子量，并且将稀溶液测定的特性粘数与一般工业使用浓度的粘度联系起来。
The viscosity average molecular weighs of several different CPPs were determined by dilute solution viscometry and the intrinsic viscosity was related to the viscosity of industry concentration.
实验首先对原料壳聚糖的物理性质进行测定：采用酸碱指示剂滴定法测定壳聚糖的脱乙酰度约为83%，应用粘度法测定其粘均分子量为十万左右。
The first work of this paper is measuring physical properties of chitosan. Degree of deacetylation(DD)of chitosan determined by acid base titration is about 83%.
实验首先对原料壳聚糖的物理性质进行测定：采用酸碱指示剂滴定法测定壳聚糖的脱乙酰度约为83%，应用粘度法测定其粘均分子量为十万左右。
The first work of this paper is measuring physical properties of chitosan. Degree of deacetylation(DD)of chitosan determined by acid base titration is about 83%.
应用推荐