| 霉菌对黑白照相底片背涂层影响研究 |
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| 引用本文： | 祁赟鹏,汪泳,何雨,张晓林,田奕,周亚军,贾智慧,李玉虎.霉菌对黑白照相底片背涂层影响研究[J].影像科学与光化学,2020(1):9-14. |
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| 作者姓名： | 祁赟鹏 汪泳 何雨 张晓林 田奕 周亚军 贾智慧 李玉虎 |
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| 作者单位： | 陕西师范大学历史文化遗产保护教育部工程研究中心;陕西省文物修复与环保工程技术研究中心;中国电影资料馆 |
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| 基金项目： | 国家重点研发计划“纳米科技”重点专项子课题（2017YFC0107401）;国家自然科学基金（11804214,31700865）;陕西师范大学中央高校基本科研业务费专项资金项目（GK201703080,2017TS050）;陕西师范大学2019年大学生暑期社会实践项目（SJ201902）资助 |
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| 摘 要： | 霉变是黑白照相底片常见的病害现象之一,严重影响其记载信息的完整性与清晰度,危害其长久保存。本文采用Keyence VK-X250K形状分析激光显微镜研究了霉变照相底片背涂层的表面形貌,测试了其表面算数平均高度(Sa)、最大高度(Sz)、表面性状高宽比(Str)、算数平均山峰曲率(Spc)、界面展开面积比(Sdr)等表面粗糙度参数。实验结果表明,黑白照相底片发生霉变后其背涂层被霉菌严重侵蚀,形成凹凸不平的粗糙表面,此粗糙表面的存在是导致底片霉变之后所记载图像清晰度与完整性受损的主要原因之一。
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| 关 键 词： | 照相底片 霉菌 背涂层 粗糙度 |
Effects of Mold on the Back Coating of Photographic Negatives |
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| QI Yunpeng,WANG Yong,HE Yu,ZHANG Xiaolin,TIAN Yi,ZHOU Yajun,JIA Zhihui,LI Yuhu.Effects of Mold on the Back Coating of Photographic Negatives[J].Imaging Science and Photochemistry,2020(1):9-14. |
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| Authors: | QI Yunpeng WANG Yong HE Yu ZHANG Xiaolin TIAN Yi ZHOU Yajun JIA Zhihui LI Yuhu |
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| Institution: | (Engineering Research Center of Historical Cultural Heritage Conservation,Ministry of Education,Shaanxi Normal University,Xi'an 710119,Shaanxi,P.R.China;Shaanxi Cultural Heritage Conservation and Environmental Protection Engineering Technology Research Center,Xi’an 710119,Shaanxi,P.R.China;China Film Archive,Beijing 100082,P.R.China) |
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| Abstract: | Mildew is one of the common diseases of photographic negatives, which seriously affects the integrity and clarity of its recorded information and endangers its long-term preservation.In this paper,the surface morphology on the back coating of moldy photographic negatives were studied by Keyence VK-X250 K laser confocal microscope,and the surface roughness parameters such as arithmetical mean height(Sa),maximum height(Sz),texture aspect ratio(Str),arithmetic mean peak curvature(Spc),developed interfacial area ratio(Sdr)were tested.The results showed that the back coating of the film is seriously eroded by mold after mildew,forming a rough and uneven surface.This rough surface is one of the main reasons for the damage of the clarity and integrity of the photographic negative records image information. |
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| Keywords: | photographic negative mold back coating roughness |
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