China Industria minera 1 Mining industry and finance 1 Nemerow index 1 Tianjin 1 contaminacin̤ 1 contamination 1 περισσότερα ... environment 1 environmental assessment 1 environmental impact 1 evaluacin̤ ambiental 1 geoaccumulation index 1 heavy metals 1 impacto ambiental 1 medio ambiente 1 metales pesados 1 minera̕ 1 mining 1 n̕dice de Nemerow 1 n̕dice de geoacumulacin̤ 1 soil 1 suelos 1 λιγότερα ...