| environ. |
cadmium One of the toxic heavy metal which has caused deaths and permanent illnesses in a series of major pollution incidents around the world. Cadmium has no useful biological purpose. However, it has wide industrial applications. It has been used for decades in metal plating to prevent corrosion, in rechargeable batteries and as a pigment in certain plastics and paints. Special care is taken in the industrial smelting of ores and subsequent handling of cadmium, because occupational exposure is known to have caused heart, chest and kidney disorders. Environmental health problems have come from exposure to various sources of pollution, Cd (一种有毒重金属，在世界各地的一系列重大污染事故中已经造成死亡和疾病。镉没有生物利用价值。然而，它被广泛地应用于工业中。在金属镀防止腐蚀、充电池、作为某种塑料和颜料方面，它被使用了几十年。在镉的熔炼矿石和后续处理中要十分小心，因为直接接触镉会导致心脏、胸腔和肾脏的功能紊乱。接触各种各样的污染来源导致了环境健康问题。) |
