It is pointed out that the testing conditions of plastics properties should near the production and application conditions as far as possible by taking melt flow rate (MFR) for an example.

以熔体流动速率为例，阐述塑料性能测试条件应尽量接近生产和使用条件。

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The effects of the agent system on the modification were investigated by testing melt-strength, melt viscosity, the changes of melt flow rate (MFR) and gel content.

通过熔体强度、熔体黏度测试和熔体流动速率(MFR)、凝胶含量的变化研究了试剂体系对接枝交联改性的作用。

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The influences of different initiators and their concentrations on grafting ratio and the melt flow rate (MFR ) of the grafted polymer were studied.

研究了引发剂种类及用量对接枝率和接枝物熔体流动速率（MFR）的影响。

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