By contrast, the viscosity of a melt of a plastic at a constant temperature changes markedly as the shear rate changes.
与之对比的是，塑料熔体在一定温度下粘度随着剪切速率的变化而变化。
Influences of composition of the blends, shear stress, shearing rate and temperature on the rheological behavior and viscosity of the melt were discussed.
讨论了共混物的组成、剪切应力和剪切速率以及温度对熔体流变行为、熔体粘度的影响。
Moreover, the low molecular weight and higher temperature are favorable to reduce the melt viscosity, to increase the critical shear rate and to improve the apparent quality of extrudates.
较低的分子量和较高的温度有利于提高临界剪切速率，改善挤出物外观质量和降低熔体粘度。
The effects of the moisture content in polyester chip, the melt temperature and pressure, and the shear rate on the shear viscosity are discussed.
探讨了聚酯切片含水率、熔体温度、熔体压力、切变速率对熔体切变粘度的影响。
In order to clarify the nature of the transition, the changes of melt viscosity with temperature and shear rate were investigated by capillary rheometer and micro-parallel type rheometer.
为了阐明转变的性质，用毛细管流变仪和微型平板粘度计研究了其熔体粘度的温度依赖性。
As the non-newtonian shear rate increasing, the melt viscosity of the PP and their blends were decreased, and behave shear thinning, show the Pseudo-plastic fluid features.
随着非牛顿剪切速率的增加，PP及其共混物的熔体粘度明显下降，表现出剪切变稀现象，呈现假塑性流体的流动特征。
As the non-newtonian shear rate increasing, the melt viscosity of the PA6 and their blends were decreased, and behave shear thinning, show the Pseudo-plastic fluid features.
随着非牛顿剪切速率的增加，PA 6及其共混物的熔体粘度明显下降，表现出剪切变稀现象，呈现假塑性流体的流动特征。
It was found that the rheological behavior of UHMWPS is remarkably characterized by its unstable flow at low critical shear rate and ultrahigh melt viscosity.
结果表明，UHMWPS最显著的流变特征为超高的熔体粘度和低剪切速率下出现不稳定流动。
The shear rate of modified CPVC was higher than CPVC and the melt apparent viscosity was lower at the same shear stress.
相同剪切应力下改性CPVC的表观剪切速率大于CPVC，熔体表观粘度小于CPVC。
The addition of 7006A made both the melt viscosity and its shear rats sensitivity of 5200B/7006A decrease, however, its temperature sensitivity increases.
随7006A含量的增加，5200B／7006A熔体粘度及粘度对剪切速率敏感性降低，而温度敏感性增加。
Then at very low shear (and when static) the viscosity is quite high giving the TPV melt a relatively high stiffness.
然而在很低的剪切下（静态）粘度就非常的高，使得TPV熔体刚性很强。
Then at very low shear (and when static) the viscosity is quite high giving the TPV melt a relatively high stiffness.
然而在很低的剪切下（静态）粘度就非常的高，使得TPV熔体刚性很强。
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