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照片档案是以摄影方式通过光和影记录各项社会实践活动的产物,有着极强的记忆和展示历史的功能,具有较强的真实性、直观形象性和生动性。但由于黑白照片的感光材料受当时科学技术发展的限制,其对环境中温湿度、酸度等环境变化非常敏感,随着时间的推移,会渐渐受到侵蚀,发生一系列严重病害,使相当部分照片濒临自毁。目前对照片档案的保护技术研究主要集中于物理翻拍复制和计算机数码修
Photo archives are the product of various social practices recorded by light and shadow through photography. They have strong functions of memory and display history, and are of strong authenticity, visual image and vividness. However, the photographic materials of black and white photographs are limited by the development of science and technology at that time. They are very sensitive to environmental changes such as temperature, humidity, acidity and the like. Over time, they will gradually be eroded by a series of serious diseases, leaving a considerable portion of photos on the verge of danger Self-destruction. The current research on the protection of photo archives mainly focuses on physical reproduction and computer digital reproduction