viscosity-average molecular weight

The content of phosphorus in the polymer is less than 4%, viscosity-average molecular weight is 1.7 × 104.The IR spectrum characterizes the polymer contains sulpho, carboxyl and phosphono in its molecular structure.

元素分析表明共聚物中磷元素质量分数<4%，黏均相对分子质量为1.7×104，红外光谱分析证明聚合产物分子结构中含有羧酸基、磺酸基和膦酰基等官能团。

Studies on Ashless Detergent Additives ⅷ. Determination of Molecular Weight of Low-molecular-weight polyisobutylenes via Intrinsic Viscosity

无灰添加剂的研究第八报低分子聚异丁烯分子量粘度测定法

Degradation behavior of macromolecule polymer coated material is the process that the rupture of chemical bond of main chain and forming molecular fractionlet. Ubbelohde viscosity method was put forward for measuring viscosity-average molecular weight of copolymer.

高分子聚合物包膜材料降解过程就是主链上化学键的断裂并形成低相对分子质量碎片的过程，采用乌氏粘度计法测定淀粉/聚乙烯醇肥料包膜材料的降解程度。

At the same time, the molecular weight of all the HPU products have measured by using the GPC with RI detector and viscosity detector and the results showed that each generation products was within the scope of the calculated theoretical molecular weight.

同时，利用配有示差检测器和粘度检测器的凝胶渗透色谱仪（GPC）检测各代HPU分子量，结果表明各代产品均在理论分子量范围内。

The effects of molecular weight, temperature, shearing rate and solution concentration on viscosity of dry-jet wet-spinning PAN/ DMSO solution were studied by multivariate regression analysis.

应用多元回归分析确定了相对分子质量、温度、剪切速率、浓度4种主要因素对干喷湿纺聚丙烯腈/二甲基亚砜（PAN/DMSO）纺丝原液粘度的影响。

With increasing the molecular weight of PTT melt, the extensional strain rate affected significantly the extensional viscosity of melt.

熔体的相对分子质量越高，拉伸速率对熔体的拉伸粘度影响越大。

Viscosity method was improved for Polymers relative molecular weight measurement.

本文改进了粘度法测定高聚物相对分子量实验.