三 化学性污染评价指标 （一）相关术语与定义 药物或化学物质残留（drug or chemical residue）通过各种途径进入并残留于动物组织中的药物或化学物质及其代谢物，称为药物或化学物质残留(残留又称残毒或残留物) 2 适用动物或靶...
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但这种化学物质残留在海峡群岛周围环境中的沉积物和水域中。
But the chemical lingers in the sediments and waters of the Channel Islands environment, Sharpe said. Related: "DDT to Return as Weapon Against Malaria?"
化学家们确实发现了少量残留的三种可疑的化学物质，但他们指出这些化学物质在所有罐头食品中都会自然产生。
The chemists did find small amounts of the three remaining suspected chemicals but pointed out that these occur naturally in all canned foods.
图为污水池里的油砂残渣，其中混有沙子、污水以及萃取未精炼的石油产品后所残留的有毒化学物质。
A containment pond holds tar sands tailings, consisting of a mixture of sand, water, and toxic chemicals that remain after the unrefined oil products have been extracted.
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