The experiment shows that this method is effective and can yield a good result.

实验结果表明了该方法的有效性，并取得了良好的效果。

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Extractive fermentation is an effective method to overcome the product inhibition in the fermentation process and increase the yield and the conversion rate.

萃取发酵是解决发酵过程中的产物抑制，提高产率及转化率的有效手段。

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A highly effective method for preparation of carbon-coated iron carbide nanocrystals by AC carbon arc discharge was studied, the yield of magnetic micro powder was over 90%.

采用交流碳弧法高效合成碳包碳化铁纳米晶磁性微粉，磁性微粉产率达90 %以上。

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