老化后性能 meaning in English

aged properties

Literatures on the topic of used rubber modified road asphalt were overviewed . by using the used rubber powder , the problem of temperature sensitivity if road asphalt could be resolved . a large number of experiments were conducted on the topic of rubber modified asphalt and the aging properties
本论文用废轮胎胶粉对道路沥青材料进行改性进行了文献综述,利用胶粉作为改性剂,以解决我国道路沥青温度敏感性大的问题,进行了橡胶粉改性沥青性能试验、改性沥青老化后性能等大量试验。