The properties change under an accelerated ageing condition of PET were studied.
研究了PET材料在加速老化条件下性能的变化。
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。
This paper introduced a testing method of accelerated ageing to determine the effect of heat and humidity on the age of coated fabric.
本文详细介绍了涂层织物湿热空气加速老化的试验方法。
Finally the time conversing coefficients between accelerated ageing with temperature and humidity and natural ageing in atmosphere are derived.
最后求出了湿热加速老化与大气自然老化之间的时间变换系数。
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。
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。
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。
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。
Professor Garg and his team now believe Miss Velasquez may have a form of Neonatal Progeroid Syndrome (NPS), which causes accelerated ageing, fat loss from the face and body, and tissue degeneration.
加格教授及其团队现在认为贝拉斯克斯可能是患有新生儿型类早衰症(NPS)，这种病症会加速衰老，导致身体和脸部的脂肪丧失以及组织衰退。
Professor Garg and his team now believe Miss Velasquez may have a form of Neonatal Progeroid Syndrome (NPS), which causes accelerated ageing, fat loss from the face and body, and tissue degeneration.
加格教授及其团队现在认为贝拉斯克斯可能是患有新生儿型类早衰症(NPS)，这种病症会加速衰老，导致身体和脸部的脂肪丧失以及组织衰退。
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