毛泽东主席、周恩来总理1950年初访问前苏联的珍贵历史底片,因严重起泡和断裂,已作报废处理.现在,这样的遗憾不会再有了.中国照片档案馆的研究人员采用水溶液影像层移植术,使底片修复率达到百分之百.薄薄的底片是由保护层、乳剂影像层、底层、片基和防光晕层组合而成.从19世纪80年代到本世纪60年代长达80年的时间里,世人摄影用 Chairman Mao Zedong and Premier Zhou Enlai visited the precious historical film of the former Soviet Union in early 1950 and have scrapped them because of the severe foaming and rupture. Now, no such regret will ever exist. Researchers at China Photo Archives used aqueous solution imaging layer transplantation Surgery to make the film repair rate of 100% thin film is made of protective layer, the emulsion imaging layer, the bottom, the base and anti-halo layer from the combination of the 1980s to 60 years of this century up to 80 years Time, the world photography