Translations:Zinc/70/ja: Revision history

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20 April 2024

  • curprev 19:5119:51, 20 April 2024 Fire talk contribs 392 bytes +392 Created page with "工業地帯や鉱業地帯を流れる河川の亜鉛濃度は20 ppmにもなる。効果的な下水処理はこれを大幅に減少させる。例えばライン川沿いの処理では、亜鉛濃度は50 ppbまで低下した。2 ppmという低濃度の亜鉛は、魚が血液中に運べる酸素の量に悪影響を与える。"