Compared with WPC, the effect of SWPC on scavenging hydroxyl radicals had been improved a lot, while diminished on scavenging superoxide anion radicals.

与WPC相比，SWPC清除羟自由基的能力显著提高，但清除超氧阴离子自由基的能力有所下降。

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The results show that compared with DC, SWPC can achieve the same protective property with less average current consumption, and has much higher protective efficiency.

结果表明，实验条件下脉冲电流阴极保护与直流阴极保护相比，二者的保护度相当，而脉冲电流阴极保护有更小的平均电流消耗和更高的保护效率。

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