数均聚合度

不同聚合温度下的数均聚合度峰值相同，但随温度增加，数均聚合度峰值来得早；

The maximum values of the number-average degree of polymerization are constant at different polymerization temperatures , however , the peak appears earlier with the higher temperature ;

数均聚合度计算的教学方法

A Method of Teaching the Calculation of the Number Average Degree of Polymerization

由p0和D0反推聚乙烯醇的起始数均聚合度（DP）0。

The initial number average degree of polymerization ( DP ) _0 , derived from the value of D_0 and p_0 is approaching to the value of ( DP ) _0determined by viscometric method .

三组分共聚酯数均聚合度和数均分子量的计算方程

The calculation equations for number average degree of polymerization and number average molecular weights of tricomponent copolyester

结果表明，聚碳酸酯材料的力学性能、玻璃化温度、分子量和数均聚合度均随吸收剂量的增加而下降；

The results show that tensile strength , glass transition temperatures , molecular weights and number averaged polymerization degree of the polycarbonate decreased with the dose .

利用其模型，推导了数均聚合度、重均聚合度和分布系数的计算公式，并描绘了分布曲线。

Based on the models , the formula for calculating number average molecular weight , weight molecular weight as well as distribution coefficient were derived , and the distribution curves were also plotted .

对几种最常见的分子量分布，在稳态剪切流中，分别计算了它们的物质函数以及特性粘数与重均聚合度的关系。

According to some usual molecular weight distributions , the material functions , such as non-newtonian viscosity and first normal stress coefficient , for the steady-state shear flow and , therefore , the relationship between the intrinsic viscosity and the weight average degree of polymerization are derived .