针对道面对水泥基材料的性能要求，重点对不同体积掺量下钢纤维、聚丙烯纤维增强聚合物水泥砂浆的耐磨性能及抗冲击性能进行了试验。
For meeting the performance demands of pavement cement base material, key trials for abrasion and impact characteristic of steel fiber and polypropylene fiber strength latex mortar were taken.
分别采用丙烯酸类聚合物与硅树脂材料实现了长周期光纤光栅（LPFG）的大范围波长调谐与温度补偿。
Both acrylate-based polymer and silicone resin were proposed as recoating materials for broadband wavelength tuning and temperature compensation of LPFG.
聚丙烯(PP)是最具发展前途的热塑性高分子材料之一，但是，由于它是非极性聚合物限制了其使用。
Polypropylene (PP) is one of the most promising thermoplastic polymer. However, the use of polypropylene has been restricted because it is a kind of non-polar polymer.
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