Constitution
发表于 2025-3-23 13:15:31
https://doi.org/10.1007/978-3-7091-9816-2 Consolidation tests were carried out using ethyl silicate , on samples with the greatest and least porosity. Porosity decreased less for Silbond, since, without a catalyst and an active surface, it hardly polymerized. Therefore, if an ethyl
Sedative
发表于 2025-3-23 16:08:32
Eurokrise und Gesellschaftsbildungate boulder field north of the Rock. These samples have been analyzed using thin-layer chromatography and SEM and light microscopy. PIXE analysis was also performed on . samples from five locations in the Monument to determine if air pollution is influencing substrate degradation patterns. Since est
婴儿
发表于 2025-3-23 18:41:03
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ASTER
发表于 2025-3-24 00:15:15
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浪费时间
发表于 2025-3-24 04:17:31
Lichens and the Biodeterioration of Stonework: The Italian Experience,s, calcium oxalate films and methods of prevention and control. Lichens have also been investigated in terms of their dispersion by air: sampling methods for the quantitative assessment of the presence of airborne propagules in areas of artistic and archeological interest are proposed.
Affable
发表于 2025-3-24 10:21:54
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纬线
发表于 2025-3-24 13:26:45
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eustachian-tube
发表于 2025-3-24 16:09:20
Eurokrise und Gesellschaftsbildungn control developed for buildings and large historic monuments may be inappropriate for more delicate rock art. Rock art researchers must consider conservation, research and ethical issues for site preservation where biodeterioration is a factor.
Esophagus
发表于 2025-3-24 22:19:30
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爱社交
发表于 2025-3-25 00:23:46
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