污泥负荷与胞外聚合物浓度呈负相关；
Mass loading is negative correlation with extracellular polymers (EPS) concentration.
本文研究了电场和提取剂对胞外聚合物提取效果的影响。
This paper has studied the effect of electric field and extraction reagent on extracting extracellular polymers.
多糖和蛋白质是胞外聚合物的主要组分，二者占胞外聚合物总COD的60%以上。
EPS is mainly composed of polysaccharide and protein, and the two attribute over 60% to total COD of EPS.
用EDTA水溶液作为萃取剂，对自然水体中培养的生物膜胞外聚合物进行了萃取和分离。
EDTA solution is applied to extract extracellular polymers from biofilm cultivated in natural water.
研究结果表明：投加PAC的吸附作用减少了由于胞外聚合物（EPS）而引起的膜污染；
Result shows that the adsorption effect of PAC reduces the membrane fouling caused by EPS.
利用磷酸氢二钾水溶液作为萃取剂，对自然水体中培养的生物膜胞外聚合物进行了萃取和分离。
Potassium Bi-phosphate solution is applied to extract extracellular polymers from biofilm cultivated in natural water.
利用磷酸氢二钾水溶液作为萃取剂，对自然水体中培养的生物膜胞外聚合物进行了萃取和分离。
Potassium Bi-phosphate solution is applied to extract extracellular polymers from biofilm cultivated in natural water.
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