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contamination characteristic
相关语句
  污染特征
     Contamination Characteristic and Decolorization Methods of Chemi-Thermomechanical Pulping Effluent
     CTMP制浆废液污染特征及脱色方法
短句来源
     Contamination Characteristic and Decoloration Methods of the effluent from bleaching and washing plants
     制浆中段废水污染特征及脱色处理方法
短句来源
     The contamination characteristic and decolorization methods of the Pinus massoniana and eucalyptus urophylla CTMP effluent were studied.
     研究了马尾松-尾叶桉CTMP制浆废液的污染特征及脱色方法。
短句来源
  “contamination characteristic”译为未确定词的双语例句
     The results from the experiments are as following: (1) After the running of two control experimental installations are stablized, the removal of contamination characteristic in two control experimental installations approaches stabilization. The average removal efficiencies of CODcr, NH_4~+-N and total phosphorus are respectively 96.6%, 82.5% and 59% in the common two-stage membrane bioreactor.
     试验结果显示:(1)两试验装置对污染物的去除特性稳定,普通两段式膜生物反应器对COD_(Cr)、氨氮和总磷的平均去除效率分别为:96.6%、82.5%和59%;
短句来源
     Contamination characteristic analysis of heavy metals in MSW dumped in Three Gorges Region
     三峡库区堆存生活垃圾重金属含量特征
短句来源
     On basis of oil contamination characteristic parameter and its international standards, demarcate experiments using criterion contamination oil were made, and contamination math model function of the system was confirmed, so the on-line test of the fact contaminated oil was gone on to validate contamination math model function.
     根据油液污染度特征参数及其国际标准,利用标准污染度的油液进行标定实验,从而确定本系统的污染度数学模型函数。 进而对实际污染油液进行在线监测实验,来验证数学模型函数的正确性。
短句来源
     On basis of oil contamination characteristic parameter and its international standards, demarcate experiments using criterion contamination oil were made, and contamination math model function of the system was confirmed, so the on-line test of the trace water in oil was gone on to validate math model function.
     根据油液污染度特征参数及其国际标准,利用标准污染度对油液的微量水分含量进行标定实验,从而确定本系统的水分含量数学模型函数。 进而对实际润滑油液含水量进行在线检测,来验证数学模型函数的正确性。
短句来源
  相似匹配句对
     THE TECHNIQUES OF CONTAMINATION OUTGASSING CHARACTERISTIC OF SPACECRAFT MATERIALS
     空间材料放气污染特性研究技术
短句来源
     Analysis on Plume Contamination and Its Characteristic of Ion Thruster
     离子推力器羽流特性及其污染分析
短句来源
     It is characteristic of expansion.
     这种改造的特点是它的扩张性。
短句来源
     To compare characteristic
     区域产业集群特色竞技
短句来源
     Vaccination contamination
     接种疫苗的污染
短句来源
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The paper focused on the application of aqueous surfactant washing for cleaning up petroleum contamination in unsaturated zone.Regional geographical features and contamination characteristics have been investigated. Nine commercial nonionic surfactants were analyzed and tested.Their critical micelle concentrations were measured and their effects on emulsification and solubilization of oil and benzene as well as on soil dispersion were compared.The results showed that the best surfactants are AEO-9...

The paper focused on the application of aqueous surfactant washing for cleaning up petroleum contamination in unsaturated zone.Regional geographical features and contamination characteristics have been investigated. Nine commercial nonionic surfactants were analyzed and tested.Their critical micelle concentrations were measured and their effects on emulsification and solubilization of oil and benzene as well as on soil dispersion were compared.The results showed that the best surfactants are AEO-9 and SA-20,i.e.,alcohol polyethoxylated ethers.Their optimum concentrations were also determimed.In batch-washing tests the highest removal efficiency can be as high as 94%. Results of leaching tests for soil columns and lime stone columns were satisfactory as well.From this study,it is clear that the application of surfactants can be included in field experimental research for the treatment of contaminated unsaturated zone of groundwater.

为了探讨地下水石油污染的治理方法,应用灌注表面活性剂溶液法去除地下水系统中包气带石油类物质污染的实验研究.从市售9种非离子型表面活性剂中优选出AEO-9和SA-202种脂肪醇聚氧乙烯醚类表面活性剂,确定了实验条件下的最佳去油浓度.1次性清洗效率最高达94%,土柱淋洗与块状石灰岩柱淋洗也取得较满意的结果.研究表明原地灌注表面活性剂技术可以在现场污染治理中进一步试验应用.

The contamination characteristic and discoloring methods of the effluat from bleaching and washing plants where wood and bam-boo are used raw materials are studied.The results show that the degradability of the effluent by microorganism is poor,the main source of color is some big molecular weight organic compounds in the effluent ,the color will become dark when the pH increases.Coagulation is a simple and effective method of decolorization.

研究了木浆和竹浆中段废水的污染特征以及脱色方法。研究结果表明,制浆中段废水的生化性差,其分子质量较大的有机物是废水色度的主要来源,并且随着废水pH值的升高其色度也加深,混凝法是简单有效的脱色处理方法。

This paper mainly relates the origin of heavy metal and the different conformation of heavy metal existed in soil,and ecology domino effect resulted from heavy metal in soil-biology system. In accordance with the contamination characteristic of heavy metal,the advantage and disadvantage about measure to prevent and cure heavy metal contamination in soil have been analyzed.

本文主要简述了土壤中重金属污染的来源、重金属存在的不同形态及在土壤 生物系统中重金属的生态效应。根据重金属污染特点 ,分析了目前土壤重金属污染防治措施中的优缺点

 
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