应用毛细管流变仪，考察了线性低密度聚乙烯(LLDPE)熔体于短口型挤出中的胀大现象及其影响因素。
The extrudate swell behaviour and the factors affecting it during short die extrusion of linear low density polyethylene (LLDPE) melt have been investigated by using a rheometer.
利用振动剪切挤出装置研究了线性低密度聚乙烯(LLDPE)在振动与旋转剪切复合力场中挤出成型时的流变行为。
The new extrusion equipment has been designed to research the rheological behavior of LLDPE extrusion moulding in complex stress filed of vibration and shearing.
应用毛细管流变仪，考察了线性低密度聚乙烯(LLDPE)熔体于短口型挤出流动中的末端压力损失及其影响因素。
The end pressure loss of LLDPE melt in short die extrusion and factors affecting the pressure loss were investigated by using a capillary rheometer.
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