The changes of the structure, physical and mechanical properties of POMs containing ZnO or carbon black under UV irradiation, thermal ageing and hot water ageing were studied.
采用炭黑和纳米级氧化锌两种光屏蔽剂对共聚甲醛进行耐老化改性,对比了改性前后聚甲醛耐紫外光、耐热氧及耐热水老化性能的变化。
Th research was to develop and validate a revised version of the profile of mood state ( POMS) monitoring exercise-induced fatigue.
本研究制定并评估了修订心境状态量表(POMS)的有效性。
The normally rumbustious, hard-edged Kiwi/ Aussie attitude to visiting Poms seems to have been suspended for William, Catherine and George.
通常吵吵嚷嚷的新西兰人和澳大利亚人对即将来访的英国佬持有犀利无比的态度,这次似乎因威廉、凯瑟琳和乔治而变得矜持了。
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