The ageing process and regularity of the asphalt coating have been studied with indoor artificial accelerated ageing test.
为此，采用室内人工加速试验方法，研究了石油沥青涂层的老化过程和规律。
The yellowing-resistance test uses UV accelerated ageing test method that is widely used at home and abroad. It is proved a much feasible test method now.
该耐黄变测试采用了国外普遍采用的紫外加速老化方法，试验表明该方法是目前较可行的方案。
The photo-oxidation ageing process of polypropylene filaments was studied by artificial accelerated ageing test using different intensities of UV irradiation.
以聚丙烯长丝为对象，采用不同紫外线辐射强度的人工加速老化试验对其光氧老化过程进行研究。
Natural exposing tests in humid tropics atmosphere environment and accelerated ageing tests for 210 coat test samples of domestic automotives are carried out.
对国产汽车所用210种涂层试样进行了湿热带大气环境自然曝晒试验及人工加速老化试验。
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。
This paper concerns mainly: 1. From the principle of accelerated reliability test, a practical ageing method of signal lamp bulbs for basic unit use is proposed.
本文主要涉及以下三方面问题：1。从可靠性加速试验原理出发提出一种可供现场实用的信号灯泡老炼方法。
The results of laboratory accelerated weathering test and laser raman spectroscopy test show that, the property of ageing resistance and recoatability has greatfully been improved.
研究结果表明，改性后的纳米复合防护剂的耐老化性能以及重涂性能都有很明显的提高。
The results of laboratory accelerated weathering test and laser raman spectroscopy test show that, the property of ageing resistance and recoatability has greatfully been improved.
研究结果表明，改性后的纳米复合防护剂的耐老化性能以及重涂性能都有很明显的提高。
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