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Zhuoqi Duan, Zaixin Xie, Bao Zhou, Xiaobo Yang, Heng-Yong Nie and Yongmao Hu
Heritage buildings and monuments are mostly made from natural stone, which undergoes irreversible decay under outdoor conditions. The main reason for the contamination, degradation, and cracking of natural stones is water and oil permeation. Hence, modif...
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