实验发现，提高转速可以提高熔体的剪切应力，从而提高气泡成核率，但不如施加振动效果明显。
The results showed that the imposed vibration may increase effectively the bubble nucleation rate, which was better than that via increasing rotation speed.
利用光散射测量方法研究了短圆管挤出模头中聚合物熔体取向行为对螺杆轴向振动的响应。
The response of the polymer melt behavior of orientation for axial vibration of screw in short pipe extrusion die head was studied by the light scattering technology.
在振动力场作用下ldpe熔体的粘度减小，随振动频率的变化有一最小值。
The viscosity of LDPE melt decreases in vibration force field and has a minimum value with vibration frequency change.
研究了在振动场作用下，ABS试样在不同的温度熔体下受振动压力和频率的影响。
The effects of pressure and frequency on ABS samples of different melt temperature under vibration field were studied.
利用自行研制的振动试验装置研究了振动场中聚合物hdpe、PS熔体在不同压力、温度、频率、振幅条件下的流变行为。
Using vibration experimental apparatus made by the authors, rheological behaviors of HDPE and PS melts under different pressure, temperature, frequency and vibration amplitude are studied.
基于剪切功率的耗散机理，提出了一种计算振动剪切流场中聚合物熔体动态黏度的粘性耗散法，并建立了理论模型。
Based on dissipation mechanism of shearing power, a new method of modeling dynamic viscosity of polymer melts in vibrating shear flows was proposed in this paper.
其基本过程包括合金熔炼、预结晶器预热、熔体搅拌和振动、凝固拉坯等基本环节。
The essential procedures consist of alloy melting, preheating pre crystalizer, melt stirring and oscillation, solidification and drawing.
同质异构晶体的熔体拉曼谱都显示出相同的孤立负离子配位多面体振动峰。
The Raman spectra of both of isomeric crystal and its melt show the vibration mode of the same isolated anionic coordination polyhedron.
结果表明，振动力场使聚合物熔体剪切应力减小、表观粘度降低，最终使得挤出压力降低、 产量提高。
The result shows that vibration field can decrease the shearing stress and apparent viscosity of polymer melts, so the …
对聚合物电磁动态塑化挤出机螺杆轴向振动系统，根据牛顿型粘性流体的剪切理论，确定了聚合物熔体的阻尼系统。
Based on the shear theory of Newtonian viscous liquid, the fusible damp coefficient is established for electromagnetism dynamic polymer Extruder screw's axial vibration system.
对聚合物电磁动态塑化挤出机螺杆轴向振动系统，根据牛顿型粘性流体的剪切理论，确定了聚合物熔体的阻尼系统。
Based on the shear theory of Newtonian viscous liquid, the fusible damp coefficient is established for electromagnetism dynamic polymer Extruder screw's axial vibration system.
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