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hydrogen donor : 1）水素供与体
hydrogen bond : 1）水素結合
hydrogen ion : 1）水素イオン
hydrogen bomb : 1）水素爆弾
hydrogenation : 1）水素付加 2）水素化
hydrogen : 1）『水素』（化学記号は『H』）
hydrogenolysis : 1）水素化分解
hydrogen chloride : 1）塩化水素
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hydrogen donor

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