The suitable surface active agent was added to decrease the liquor surface tension of bae yer red mud slurry so as to achieve the aim of decreasing mud moisture content after the filtration.

主要针对赤泥过滤时，添加适宜的表面活性剂，使拜耳赤泥料浆中的液体表面张力下降，从而达到降低过滤后拜耳赤泥浆含水率的目的。

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The suitable surface active agent was added to decrease the liquor surface tension of Baeyer red mud slurry so as to achieve the aim of decreasing mud moisture content after the filtration.

主要针对赤泥过滤时，添加适宜的表面活性剂，使拜耳赤泥料浆中的液体表面张力下降，从而达到降低过滤后拜耳赤泥浆含水率的目的。

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Danyu no. 39 had high moisture content which was impossible ripe if it met low temperature years, so it was not suitable to plant in Jiamusi region.

丹玉39号虽然产量也较高，但含水率太高，出现“水玉米”现象，遇到低温年份有不能正常成熟的可能，不适宜在佳木斯种植。

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