悬挂
发表于 2025-4-1 01:57:04
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BUCK
发表于 2025-4-1 09:20:58
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意外的成功
发表于 2025-4-1 11:33:42
Akon Higuchi,Hsing-Fen Li,S. Suresh Kumar,Abdullah A. Alarfaj,Murugan A. Munusamyhemical elements accumulation in soils, we note the primary role of Pb and Zn in all groups of cities. Out from the rest pollutants it is necessary, first of all, to note As, Cu, and Cl, which are the main contaminants in four of six cities groups. In two groups of settlements, Cd and Co are importa