通过高温落球粘度计测量聚丙烯的零切粘度的原理和方法，并报道了用这一方法对电工级聚丙烯原料的零切粘度的实际测量结果。
The high temperature falling ball viscometer made by authors has been described as well as some results of polypropylene measured with it.
介绍了一种落球式粘度计，具有结构简单、实用的优点，可以应用于需要对粘度进行反馈控制的自动化装置。
A simple and practical falling-ball viscometer, which can be applied into the automatic instrument with the need of viscosity control are introduced.
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