紫外线照明
Artificial ageing can be made through means of ultraviolet rays lighting, toast, solution soaking and rubbing and contamination, but every aged document has relative characteristics due to the different means.
通过紫外线照射、烤、液浸泡和揉搓沾污等手段可以人为老化文件,但由于所使用的手段不同而使人为老化后的文件各具相应特征。
Degradation characteristics of different organic dyes were studied systematically in the presence of nano zinc oxide under various conditions including cloudy sky outside, sunshining and ultraviolet lighting indoor.
用自制的纳米ZnO在室外阴天、太阳光照射、室内紫外灯照射等条件下对不同有机染料的降解性能作了系统的研究。
英语网 · 英语词汇
英语网 · 英语口语
英语网 · 双语娱乐资讯
英语网 · 中考英语
英语网 · 四六级英语