The results revealed that under the same conditions, hydrogen evolution potential and voltage gradient were affected by the electrode materials and the electrode spacing.

实验结果表明，在相同条件下，氢的析出电压和电压梯度受电极材料和电极间距的影响。

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The results revealed that under the same conditions, hydrogen evolution potential and voltage gradient were affected by the electrode materials and the electrode spacing.

实验结果表明，在相同条件下，氢的析出电压和电压梯度受电极材料和电极间距的影响。

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