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。
the paper introduce some methods of artificial accelerated ageing and explain the principle of these methods . at last, this paper evaluate the effect of each method, and ascertain the suit…
介绍了几种人工催陈方法,并对各方法的催陈机理进行了系统地阐述,对各方法的催陈效果进行了综合评价,最后确定适合葡萄酒生产的人工催陈技术。
in order to shorten the time of wine's ageing, the wine enterprises pay more attention to the study and application of artificial accelerated ageing day by day.
为了缩短陈酿时间,葡萄酒生产企业日益重视人工催陈技术的研究与应用。