1) PAN-DMSO solution
孔口胀大比
1.
The extrusion die swell (B)of PAN-DMSO solution was studied on a Capillary-Rheometer.
研究发现,孔口胀大比(B)随表观剪切速率(γ)、溶液浓度的增大而增大;随毛细管长径比(L/D)增大、温度(T)升高、滤布层数(N)增多而减小;L/D增大或γ增大时,孔口胀大比活化能(EB)下降,C％增大,EB也增加。
2) dieswell
孔口胀大
1.
The relations between the logarithm of shear rate() and the logarithm of calibrated apparent viscosity (η ) as well as the logarithm of dieswell ratio (B) are linear.
剪切速率 (γ)的对数与校正表观粘度η校 和孔口胀大比 (B)都呈线性关系 ,η和 B在毛细管中都表现出松弛的特征。
2.
The relations between the logarithm of shear rate()and the logarithm of apparent viscosi-ty(η)as well the logarithm of dieswell ratio(B)are lineal.
剪切速率（）的对数与表观粘度（η）的对数和孔口胀大比（Ｂ）的对数都呈现线性关系。
3) die swell
挤出胀大比
1.
The results showed that the shear viscosity and non-Newton exponent of the composite decreased gradually,the die swell and the pressure loss at the entrance of zero die increased,and the appearance of extrudate deterioated as the shear rate increased;the sensitivity of the shear viscosity of composite to the shear rate decreased,the non-Newton exponent increased,in general,the die swell .
结果表明,随着剪切速率的增大,复合材料的剪切粘度和非牛顿指数逐渐减小,挤出胀大比和零口型入口压力降增大,挤出物外观变差;随着纳米碳酸钙用量的增大,复合材料的剪切粘度对剪切速率的敏感性下降,非牛顿指数增大,挤出胀大比总体上呈下降趋势,零口型入口压力降变化较小,在相对低的剪切速率下,挤出物外观得到改善。
2.
In this paper shear elastic behaviours of linear polyethylene melt were quantitively and qualitively charactenized by rheological parameters such as elastic shear complince Je, recoverable elastic strain SR,melt die swell and so on.
利用稳态剪切柔量、可回复剪切应变以及熔体挤出胀大比等参数,定量计算和定性表征了4种线型聚乙烯熔体的剪切弹性行为,研究了各表征参数之间及其与分子量、分子量分布等分子参数的关系,讨论了剪切弹性行为对加工性能的影响。
4) die swell ratio
挤出胀大比
1.
he flow of a power-law fluid flowing through an enlarged conical channel wasstudied, thus regressive relationships between die swell ratio B and normal stress difference N were obtained.
从连续方程和运动方程出发，对一种幂律流体流过扩张型圆锥流道时的流动进行了分析计算，得到了挤出胀大比Ｂ与法向应力差Ｎ之间的回归关系。
2.
Based on the data acquired by the experiment, prediction software of polymer die swell ratio was developed by the means of the hybrid programming which availed of Mat- lab language and VB language.
在通过试验获得大量样本数据的基础上,利用Matlab语言与VB语言混合编程,将人工神经网络技术移植于应用软件系统,开发了聚合物挤出胀大比预测软件。
3.
Based on the data acquired by the experiment,prediction software of polymer die swell ratio was developed by mixing programming technique with Matlab language and VB language.
在通过实验获得大量样本数据的基础上,利用Matlab语言与VB语言混合编程,开发了聚合物挤出胀大比预测软件。
5) Maximum expansion ratio
最大膨胀比
6) macrovoid ratio
大孔隙比
补充资料：溶胀比
分子式：
CAS号：
性质：交联高聚物因吸收一定量溶剂而溶胀。当达到溶胀平衡时，其体积与溶胀前体积之比称为溶胀比。溶胀比与温度、压力、高聚物的交联度及溶质、溶剂的性质有关。
CAS号：
性质：交联高聚物因吸收一定量溶剂而溶胀。当达到溶胀平衡时，其体积与溶胀前体积之比称为溶胀比。溶胀比与温度、压力、高聚物的交联度及溶质、溶剂的性质有关。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条