臆断 发表于 2025-3-26 23:47:03
Cleaning of Easel Paintings,f control in the cleaning action when non-confined solvents and solutions are used. Undesired effects include swelling or solubilization of original artistic materials, uncontrolled or excessive removal of layers and patinas, and re-transport of solubilized matter through the porous matrix of the ar吼叫 发表于 2025-3-27 04:10:02
Deacidification of Paper, Canvas and Wood,ts’ mechanical properties. Numerous methods have been proposed and applied in the last 50 years to counteract cellulose degradation. Aqueous treatments involve drawbacks such as leaching of inks and the swelling of cellulose fibers. Several non-aqueous methods use precursors for the in situ formatioToxoid-Vaccines 发表于 2025-3-27 08:47:57
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