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相对憎水性
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  relative hydrophobicity
     When the system lacks nitrogen or phosphorus,both the relative hydrophobicity of sludge flocs and membrane hydrophobicity increase,enhancing the hydrophobic interactions between the membrane and sludge and thus accelerating the deposition and/or adsorption of foulants on membrane surface.
     系统缺氮或缺磷时,污泥絮体的相对憎水性和膜的憎水性增加,使得膜和污泥之间的憎水相互作用增强,加速了污染物在膜表面的沉积和/或吸附.
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  “相对憎水性”译为未确定词的双语例句
     The relativehydrophobicity of activated sludge was determined by salt aggregation test and it rosewith the dropping of SVI, which suggested that hydrophobicity is a driving force inthe aggregation process of activated sludge.
     试验中利用盐絮凝试验测量污泥的相对憎水性,发现污泥的相对憎水性随着SVI值的下降而升高,说明污泥的相对憎水性对污泥絮体的凝聚有重要作用。
短句来源
  相似匹配句对
     THE STUDY OF RELATIVE COULOMETRIC TITRITION
     相对库仑滴定法
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     Theory of Relativity & Theory of Relative Absoluteness
     相对绝对论
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     This paper deals with the influence of water immersion on the hydrophobicity loss, relative weight, tan δ and ε r.
     探讨了水对硅橡胶和环氧树脂的憎水性相对重量、tanδ以及εr的影响。
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  relative hydrophobicity
The decapsulation of bacterial cells by washing them with a NaCl solution led to an increase in the relative hydrophobicity of the cell surface.
      
The relative hydrophobicity of amides with different degrees of substitution of the amide group was estimated.
      
While MS pili are responsible for attachment, the relative hydrophobicity of the bacterial surface determines whether the organism is internalized.
      
The relative hydrophobicity of the bacteria was expressed as the ratio, g/e, between the radioactivity of the gel and the eluate.
      
Optimization implies that differences among molecular species in all of their major properties, namely net charge, size and relative hydrophobicity, are exploited for the purpose of separation.
      
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Effect of influent composition on membrane fouling in membrane bioreactors was investigated.Experiment results show that nitrogen deficiency or phosphorus deficiency influent can cause severer membrane fouling than normal influent,especially for the nitrogen deficiency.When the system lacks nitrogen or phosphorus,both the relative hydrophobicity of sludge flocs and membrane hydrophobicity increase,enhancing the hydrophobic interactions between the membrane and sludge and thus accelerating the deposition and/or...

Effect of influent composition on membrane fouling in membrane bioreactors was investigated.Experiment results show that nitrogen deficiency or phosphorus deficiency influent can cause severer membrane fouling than normal influent,especially for the nitrogen deficiency.When the system lacks nitrogen or phosphorus,both the relative hydrophobicity of sludge flocs and membrane hydrophobicity increase,enhancing the hydrophobic interactions between the membrane and sludge and thus accelerating the deposition and/or adsorption of foulants on membrane surface.In addition,in the case of nitrogen deficiency or phosphorus deficiency,the number of filamentous bacteria in sludge rises,which bind and fix particle sludge to their three-dimensional meshwork,leading to more compact cake layer with lower porosity and thus greater fouling resistance.Filamentous bacteria also strengthen the attachment of foulants on membrane surface to resist the scour of aeration,accelerating membrane fouling.

研究了膜生物反应器中进水组成对膜污染的影响.结果表明,相对于正常组成来说进水中限氮或限磷引起的膜污染程度更重,尤以进水中限氮时更为严重.系统缺氮或缺磷时,污泥絮体的相对憎水性和膜的憎水性增加,使得膜和污泥之间的憎水相互作用增强,加速了污染物在膜表面的沉积和/或吸附.另外,进水中限氮或限磷时,污泥中丝状菌的数量增加,把颗粒污泥捆扎、束缚在其立体网状结构中,滤层结构更加致密,孔隙度减小,增加了膜污染阻力;丝状菌的作用还在于它们能够将污染物牢牢地缠绕、固定在膜表面,加强了膜表面污染物抵御曝气的水力冲刷作用的能力,从而也加速了膜污染.

 
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