China Industria minera 3 Mining industry and finance 3 contaminacin̤ 3 contamination environment 3 environmental impact 3 больше ... geoaccumulation index 3 heavy metals 3 impacto ambiental 3 medio ambiente 3 metales pesados 3 minera̕ 3 mining 3 n̕dice de geoacumulacin̤ 3 soil 3 suelos 3 Cd 1 Dexing 1 Hunan 1 Nemerow index 1 Pb 1 Tianjin 1 Zn 1 accumulation 1 acumulacin̤ 1 anl̀isis de componentes principales 1 cadmio 1 chemical speciation 1 enrichment factor 1 меньше ...