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持久性组分
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  “持久性组分”译为未确定词的双语例句
     Conclusion In spite of the existence of large amounts of other persistent components,the Pd/C catalyst shows higher activity for the dechlorination of PCBs extracted from municipal waste incineration fly ash.
     结论尽管存在种类繁多的其他持久性组分的干扰,钯/碳催化剂对从垃圾焚烧飞灰中提取的多氯联苯的脱氯表现出很高的活性。
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  相似匹配句对
     NET.
     NET的持久性
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     On Permanent Framework
     持久性框架的探讨
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     STUDY ON COMPONENTS OF ACETYLSPIRAMYCIN
     乙酰螺旋霉素组分的研究
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     The Separation of Gelatin Components
     明胶组分的分离
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     The reason for using these factors is to keep species access ability and persistence of a species so as to ensure the natural components to become the controlling factor in the city’s environment.
     用来满足生物种群保存的“持久性”和物种流动的“可达性”要求,使城市中的“自然”组分成为环境质量的控制性组分
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  persistent fraction
The results of these experiments are interpreted to mean that the persistent fraction of MB virus consists of virus which has retained its infectivity in spite of attached antibody.
      
Virus free of antibody or virus aggregates could not be demonstrated in the persistent fraction.
      
The antibody dose response curves in early serum were characterized by the early and high appearance of a persistent fraction.
      
Treatment with AVS-I resulted in the usual persistent fraction of nonneutralized virus.
      
This reduces the persistent fraction to 0.1% and makes possible the isolation of escape mutants.
      


The curve fitting quantification method has been developed for peak recognition of complex and persistent components in fly ash from municipal waste incineration at different temperature programs. By the retention times of chromatographic peaks which are identified by curve fitting quantification at three different temperature programs of gas chromatography, the retention parameters (A, B) of all peaks can be calculated. So, the retention times at any temperature programs can be calculated. After comparison...

The curve fitting quantification method has been developed for peak recognition of complex and persistent components in fly ash from municipal waste incineration at different temperature programs. By the retention times of chromatographic peaks which are identified by curve fitting quantification at three different temperature programs of gas chromatography, the retention parameters (A, B) of all peaks can be calculated. So, the retention times at any temperature programs can be calculated. After comparison with experimental results, the predicted values have been proved to be accurate.

以垃圾焚烧飞灰中的持久性组分分析为例,研究了不同程序升温条件下用于峰识别的拟合定量方法.通过不同程序升温条件下气相色谱拟合峰的准确保留时间,计算色谱峰的保留参数,并预测任意柱温条件下的保留时间.通过与实验值的对比证明预测结果是准确的.

Objective The detoxification method of polychlorinated biphenyls(PCBs) by catalytic dechlorination was studied under mild conditions.Methods The catalytic dechlorination of PCBs was performed by a simple operation using palladium/carbon(Pd/C) catalyst in water-isopropanol mixed solution at 40 ℃ under atmospheric pressure.Results The results indicated that the total concentrations of PCBs congeners decreased from 47 991 pg·ml-1 to 55 pg·ml-1 and the dechlorination efficiency reached 99.89% after reaction for...

Objective The detoxification method of polychlorinated biphenyls(PCBs) by catalytic dechlorination was studied under mild conditions.Methods The catalytic dechlorination of PCBs was performed by a simple operation using palladium/carbon(Pd/C) catalyst in water-isopropanol mixed solution at 40 ℃ under atmospheric pressure.Results The results indicated that the total concentrations of PCBs congeners decreased from 47 991 pg·ml-1 to 55 pg·ml-1 and the dechlorination efficiency reached 99.89% after reaction for 4h.Moreover,the total toxic equivalent(TEQ) of toxic PCBs congeners was reduced from 979 pg TEQ/ml to 0.40 pg TEQ/ml with a conversion of 99.96%.Conclusion In spite of the existence of large amounts of other persistent components,the Pd/C catalyst shows higher activity for the dechlorination of PCBs extracted from municipal waste incineration fly ash.

目的研究温和条件下,多氯联苯(polychlorinated biphenyls,PCBs)的催化脱氯减毒方法。方法在40℃常压条件下,水-异丙醇混合溶剂中,用钯/碳催化剂对多氯联苯进行催化脱氯研究。结果催化脱氯反应4 h后,多氯联苯同类物总浓度从47 991 pg.ml-1减小到55 pg.ml-1,氯脱除率达到99.89%;有毒多氯联苯同类物的总毒性当量从979 pg TEQ/ml减小到0.40 pg TEQ/ml,毒性削减率达到99.96%。结论尽管存在种类繁多的其他持久性组分的干扰,钯/碳催化剂对从垃圾焚烧飞灰中提取的多氯联苯的脱氯表现出很高的活性。

 
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