...丝卷上而形成,转动的速率越大,丝就越细,但过高时丝会断裂, 决定适当拉伸速率者即为高分子的拉伸黏度 (extensional viscosity) 对于一个受到单向作用力之圆棒 (长L,截面积A) 组成方程式 (Constitutive equations): j i ij ij x v P ? ? + ? = μ δ ...
双语例句
1
The PP with high grafting rate can improve the melt strength and the extensionalviscosity of a PP system and the strain hardening.
接枝率高的PP,可提高PP体系的熔体强度和拉伸黏度及其应变硬化。
2
With increasing the molecular weight of PTT melt, the extensional strain rate affected significantly the extensionalviscosity of melt.