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The results shows that polyphosphate ferric sulfate is suitable to decontamination for sulfate, COD turbidness etc. in the wastewater.

结果表明,合硫酸铁中硫化物、COD、悬浮物及浊度等均具有较佳的去除效率。

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Metachromatic granules contain RNA and polyphosphates They are deeply stained with aniline dyes。They are characteristic features of the corynebacteria.

异染颗粒含RNA和酸盐。用苯胺染料可浓染。是棒状杆菌的特点。

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原声例句
VOA慢速英语_美

It is a mixture of mostly ammonium phosphate or ammonium polyphosphate.

要磷聚磷的混合物。

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