In the paper orthographical method was used to study the control of smoke generation from poly (vinyl chloride).

本文采用正交实验的方法，研究了聚氯乙烯发烟量的控制。

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In this study, the surfaces of polyurethane films were modified by poly (ethylene glycol) (PEG) and PEG-derivatives, and blood compatibility of resulting surfaces was investigated.

本论文是通过化学接枝的方法，用聚乙二醇及其衍生物对聚氨酯表面进行修饰，研究改性前后聚氨酯表面的血液相容性。

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The RM-200 torque-rheometer was used to study the rheological properties of the rigid low-foamed poly(vinyl chloride)(PVC) in this paper.

用RM-200转矩流变仪对不同配方的硬质低发泡聚氯乙烯（PVC）的流变性能进行了分析。

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