Lead, mercury, cadmium, nitrates and copper all pollute this river and affect drinking water supplies for the over 5 million people living in the area.
铅，汞，镉，硝酸盐和铜污染了这条河，影响了居住在该地区500多万人民的饮水供应。
2
Photovoltaic cells rely on amorphous or crystalline silicon, cadmium telluride, or copper indium selenide and sulfide.
光伏电池依赖于非晶态或晶态的硅，碲化镉或者硒化、硫化铜铟。
3
Study on the dynamic accumulation rule that cadmium and copper accumulate in Pakchoi different portions by simulating pollution.