teški metal

teški metal

A metal having a specific gravity of 5.0 or greater. Heavy metals are generally toxic to organisms in relatively low concentrations, and tend to accumulate in the food web. Examples include arsenic, cadmium, chromium, lead, and mercury .

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品詞: 名詞
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産業/ドメイン自然環境
カテゴリサンゴ礁
Organization: NOAA
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