Polarizing microscopy and differential scanning calorimetry (DSC) were used to study the effect of carbon fiber on the crystallization of polypropylene (PP).

本文用偏光显微镜和示差扫描量热计（DSC）方法研究了碛纤维对聚丙烯结晶行为的影响。

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The modified PP fiber was prepared by blending a dispersant, nano-calcium carbonate and polypropylene (PP) chips at a specific ratio.

将分散剂、纳米碳酸钙和聚丙烯(PP)切片按一定比例混合纺丝制得改性PP纤维。

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In this paper, a new process of removing dissolved oxygen using hydrophobic polypropylene (PP) hollow fiber was offered and studied. The strength of the hollow fiber was measured.

提出并研究了一个利用疏水性中空纤维膜去除水中溶解氧的新工艺，测定了所采用的聚丙烯(PP)中空纤维膜的耐压性能。

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