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.
他认为新型聚合物还可以用来清除废弃核电站里的污染。这些地方的管道内残余的放射性钴还仍然是一个问题。
He thinks that the new polymer could also be used to decontaminate decommissioned nuclear power-stations where residual radioactive cobalt in pipes remains a problem.
湾内沉积物中锌、镉、钴和镍的可交换态比例明显高于湾外，体现了沿岸污染径流输入的影响。
The proportions of exchangeable Zn, Cd, Co and Ni in the inner bay were higher than in the outer bay, indicating the impacts of pollutant input along the bank.
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