2) A Research on Yang Shen s Danqianzhulu 杨慎丹铅诸录研究3) red lead 铅丹 1. isolated from the mural of the Dunhuang Grottoe could decompose bone glue and, as a result, reduced its protective function on red lead. )分别接种到骨胶溶液、骨胶铅丹混合涂层、铅丹骨胶溶液及模拟的壁画色板...