水を綺麗にする「魔法の粉」

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Uploaded by on Mar 10, 2011

日本ポリグルの浄水剤を使った実験です。水中の汚染物質を凝集させ、沈殿させる効果があります。納豆の働きをヒントに開発されたとか。

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Science & Technology

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Standard YouTube License

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