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提出了应用熔融指数仪测定聚乙烯（ＰＥ）熔体的流变参数和第一法向应力差的新方法，扩大了熔融指数仪的使用功能，并且提供了比较准确的数据处理方法。
A new method of measuring the rheological parameters and the first normal stress difference of the polyethylene (PE) melt by using the melt indexer is proposed, which expands the using function of the melt indexer and provides a relatively accurate data processing method.