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The pretreatment of activated sludge by ultrasound was studied to improve sludge activity as denotation using oxygen uptake rate (OUR). And this was validated by artificial sewage treatment.
研究了超声波对活性污泥活性的影响，用污泥好氧速率OUR来衡量活性，并通过模拟人工废水试验验证。
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