Discussed thoroughly the extrusion swell phenomenon and mechanism of polymer melts in conical die with different entrance angles and different ratios of length to diameter.
深入讨论了聚合物熔体在不同长径比、不同角度圆锥口模的挤出胀大现象及机理。
A surgeon cuts out a chunk of skull that's the diameter of an orange or grapefruit, to give the brain room to swell.
外科医生常切除橘子直径那么大的一块颅骨，以给大脑膨胀的空间。
This paper discusses thoroughly the extrusion swell phenomenon and mechanism of polymer melts in conical die with different entrance angles and different ratio of length to diameter.
深入讨论了聚合物熔体在不同长径比、不同角度圆锥口模的挤出胀大现象及机理。
A model for predicting extrudate swell and average cell diameter of polypropylene foam is proposed based on the relationship between the extrudate swell and capillary number.
综合胀大比与毛细管数的关系，提出了聚丙烯发泡体系挤出胀大和泡孔平均直径的预测模型。
The influences of temperature, content of foaming agent and CaCO3 on the extrudate swell, and average cell diameter of polypropylene foam are investigated using improved capillary rheometer.
利用改进后的毛细管流变仪研究了温度、发泡剂与碳酸钙含量对聚丙烯发泡体系挤出胀大和泡孔直径的影响。
The influences of temperature, content of foaming agent and CaCO3 on the extrudate swell, and average cell diameter of polypropylene foam are investigated using improved capillary rheometer.
利用改进后的毛细管流变仪研究了温度、发泡剂与碳酸钙含量对聚丙烯发泡体系挤出胀大和泡孔直径的影响。
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