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据报载:故宫博物院前年初,将珍藏多年的意大利宫廷画家郎世宁画的《乾隆皇帝古阅图》《及弘历哨鹿图》,拿出来第一次公开展出,吸引了不少中外游客。根据现代科学手段探测,太阳光和人造光源(如日光灯、水银灯)中的紫外线,对丝、棉、毛、麻、纸等都有严重的破坏作用。绘画、书法、古籍、织绣等珍贵文物,如果长时间被紫外线照射,就会泛黄、变色、发脆、龟裂,直至粉化毁坏。现在,中国科学院化学研
It is reported that the Museum of the Palace earlier this year put aside the first public display of “Ancient Readings of Emperor Qianlong” and “Hongli Sentiment” drawn by the Italian court painter Castiglione, which has been collecting for many years, attracting many Chinese and foreign tourists. According to the detection of modern science and technology, sunlight and artificial light (such as fluorescent lamps, mercury lamps) in the UV, silk, cotton, wool, linen, paper, etc. have a serious damaging effect. Painting, calligraphy, ancient books, embroidery and other precious cultural relics, if prolonged exposure to ultraviolet light, it will yellow, discoloration, brittle, cracked, until the breakdown of the powder. Now, Chinese Academy of Sciences