干电池基本上是由镉、铅、汞制成的，这种混合物是有毒的，如果泄漏到土壤或水源中，就会导致致命的污染。
Disposable batteries typically contain a cocktail of cadmium, lead and mercury. This mixture is toxic and, when leaked out into soil and into water supplies, causes deadly pollution.
结果表明各航道底泥中重金属除铅以外，含量均超过《土壤环境质量标准》中的二级标准，其中镉的污染最为严重。
The result showed the heavy metal content in bed mud was over Soil Environmental Quality Standard Two except Pb, in which Cd pollution was the most significant.
本文主要研究了取自浙江省绍兴市某铅锌矿污染矿区的污染土壤中铅、锌、铜、镉在不同粒级的颗粒态有机物（POM）的分布。
The distribution of heavy metals in different size fractions of particulate organic matter(POM) in polluted soils around a zinc-lead mine in Shaoxing, Zhejing Province was investigated.
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