镍污染是由镍及其化合物所引起的环境污染。镍在地壳中的平均丰度为75ppm,在微量元素中是含量比较丰富的元素。它有很强的亲硫性,主要以硫化镍矿和氧化镍矿的形态存在,在铁、钴、铜和一些稀土矿中,往往有镍共生。全世界每年镍的迁移状况是:岩石风化量为320 000吨,河流输送量为19 000吨,开采量为560 000吨,矿物燃料燃烧排放5 600吨。目前认为镍对环境只是一种潜在的危害物。工业上大部分镍用于制造不锈钢和抗腐蚀合金,并广泛用于镀镍、铸币、制造催化剂和玻璃陶瓷等。
... nickel cobalt (alloy) ==> 镍钴合金 nickel contamination ==> 镍污染 nickel converting ==> 镍吹炼 ...
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采用盆栽和小区试验,研究了在石灰性土壤中镍污染对小麦和水稻的影响;
Both pot and plot tests were carried out to study the effects of nickel on wheat and rice grown on calcareous soil with nickel containing sludge applied.
我们镇上的工业污染应该已经把学生们变成了活生生的科学实验品,他们每天都要吸入相当于实验室含量的锰、铬和镍等重金属。
Industrial pollution in our town had supposedly turned students into living science experiments breathing in a laboratory's worth of heavy metals like manganese, chromium and nickel each day.
橡胶手套可以防护他不触及电池的化学物质,比如镍、钴和锰,同时还可以保护电池的精密组织,不被他手指上的天然皮肤油脂污染。
The gloves protect him from the chemicals in the battery, which include nickel, cobalt and manganese, and shield the battery's delicate tissues from the natural oils on his fingers.
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