通过在塑料中加入纳米添加剂，进行混合改性处理，使塑料管材的技术性能达到煤矿井下的使用标准。
When nanometer additive agent is added into plastic and the plastic is mixed and improved, the technical performance of the plastic pipes can reach the use standard in coal mines.
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。
The modified PP fiber was prepared by blending a dispersant, nano-calcium carbonate and polypropylene (PP) chips at a specific ratio.
玻纤格栅是一种提高沥青混凝土路面性能的新材料，对沥青混合料起到物理改性作用。
Glassgrid is a new material that can improve the property of asphalt concrete pavement. It can also change the physical characteristic of asphalt mixture.
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