一张油画的寿命,有时会受到一些乍看起来彷彿沒有什么关系的因素,像空气的溫度和湿度、改換放置地点等等的决定。空气太乾,能使画上的色层、底子、画布乾枯;空气潮湿,画又会陈旧得很快。想让画长寿,就得好好照顧它們的“健康”,及时防止它們“鬧病”,主动去制服那些因为时間关系而必然发生的現象。在这方面科学和技术是修复师的可靠助手。旧画的“返老还童术”,已經誕生很久了。可是,从前的人們往往把修复工作看成是一种古物“翻新”的工作。帝俄时代人們就曾經把修复师呌做“翻新家”鞘焙?一張让烟燻或是灰尘弄髒 The life of an oil painting can sometimes be at first glance seem to have nothing to do with factors such as the temperature and humidity of the air, the place to change the place, and so on. The air is too dry, can paint the color, foundation, canvas dry; the air is humid, the painting will be very old. If you want to make your paintings live longer, you have to take good care of their “health,” prevent them from being “sick” in time and take the initiative to subdue the phenomena that inevitably occur because of time. Science and technology are reliable assistants to repairmen in this area. The old painting “Rejuvenation of the Arts” has been born for a long time. However, people in the past often regarded restoration work as a “renovation” of antiquities. Emperor and Russian times people have to repair division 呌 do “refurbished home”  sheath baking? A soiled or dusty dirt