Maintenance Aging Test Procedure 维修老化试验程序
The asphalt mixture's crack resistance at low temperature is one of the key pavement performances in perennially frozen soil zone, and aging procedure has important effect on it.
沥青混合料的低温抗裂性能是多年冻土地区沥青路面的关键路用性能之一，老化对其有着重要影响。
The importance of implementing fast aging method for catalytic converter is firstly described in this paper, then the fast aging test equipment and test procedure we adopted are introduced.
本文首先阐述了实施催化转化器快速老化方法的意义和研究概况，然后简要介绍了快速老化试验设备和试验程序。
In this paper, the characteristics of natural and accelerated aging of rubber product is discussed. Also, the method and procedure of accelerated ageing tests and the test results are presented.
文中讨论了橡胶制品的自然老化与加速老化的特点，介绍了固体火箭发动机用橡胶制品加速老化试验的方法和步骤，并给出了试验结果与结论。
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