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wastewater sample
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  废水样品
     The stainless steel chromatography column (Φ3mm×4m) that is filled with the carrier (Shang shi 101) treated with 0 4% KOH CH 3OH, daubed with 11 5% PEG2000 7 5% DNP fixing liquid can be intake wastewater sample directly This column can separate ethylamine diethylamine, triethylamine and methyl alcohol, alcohol et al effectively The performance of chromatography column is stable
     使用经 0 .4% KOH-CH3OH处理过的上试 1 0 1载体 ,涂渍 1 1 .5 % PEG2 0 0 0和 7.5 % DNP的固定液 ,填充Φ3mm× 3m的不锈钢色谱柱 ,在气相色谱上可直接进废水样品分析 ,有效分离和测定废水样品中的乙胺、二乙胺、三乙胺和甲醇、乙醇等有机组分 ,柱性能稳定。
短句来源
     The CODcr of wastewater is determined by smart instrument. The method is operated easily and can apply to urgent monitoring and batch determining of wastewater sample.
     采用 Smart仪器法对废水中 CODcr测定 ,该法操作方便 ,适用于应急监测和大批量废水样品测定。
短句来源
     The melamine wastewater sample is distillated in the phosphate buffer solution, the emitted ammonia is absorbed, and its content is determined by acid-alkali titration.
     在磷酸盐缓冲溶液中加热蒸馏三聚氰胺废水样品,逸出的氨被吸收后通过酸碱滴定测定其含量。
短句来源
     Trace VOC s in the wastewater sample from an oil refinery process were fast analyzed by solid phase micro-extraction-gas chromatography-mass spectrometry in about one hour,which effectively simplified the sample preparation process and offered a way to evaluate the wastewater treatment technology and study the mechanism of organic compounds degradation.
     采用固相微萃取 -气相色谱 -质谱联用 (SPME- GC- MS)对炼油厂废水中痕量挥发性有机化合物(VOCs)进行了定性分析 ,简化了预处理过程 ,总分析时间为 1h左右。 对比处理前后的废水样品的 MS定性结果 ,为废水处理工艺的评价以及有机物降解机理提供了依据。
短句来源
  “wastewater sample”译为未确定词的双语例句
     RSD was lower than 10%. The recovery rates were 99%-102%. The concentration of total dioxins in wastewater sample was 0.78 pg/μl.
     检测限为0.05pg/μl,相对标准偏差<10%,回收率为99%~102%,样品中二叶恶英类物质总的浓度为0.78pg/μl。
短句来源
     Examination of Wastewater Sample Concentrated by Two Methods with HBV-DNA Gene Probes
     两种方法浓缩污水水样及HBV-DNA基因探针检测
短句来源
     Coagulation and flocculation, using 800~1 500 mg/L of MgSO_ 4 and 2 mg/L of a high molecular weight organic flocculant HPAM, and followed by acidification to a pH of <3.0, achieved excellent pretreatment performance; COD, color intensity and turbidity of the wastewater sample were reduced by 92%, 97%, and nearly 100%, respectively.
     在MgSO4用量为800~1500mg/L,阴离子聚丙烯酰胺用量为2mg/L,酸析pH小于3.0时,色度去除率达97%,COD去除率达92%,浊度去除率近100%。
短句来源
     Determination of trace lead in wastewater sample by hydride generation-atomic fluorescence spectrometry
     氢化物发生-原子荧光光谱法测定废水中痕量铅
短句来源
     The apparent molar absorptivity was 2.1×104. The method is simple, rapid and sensitive, and has been used for the determination of TNT in wastewater sample with satisfactory results.
     试验结果表明,本方法灵敏度高(ε_466=2.1×10~4),选择性好,适用于水和废水中三硝基甲苯的测定。
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  相似匹配句对
     The selection of monitoring section and sample point in wastewater
     关于废水监测断面及采样点位选择的探讨
短句来源
     Preparation of an Organic Standard Wastewater Sample
     有机标准废水样的研制
短句来源
     pretreatnlent of sample;
     试样的预处理;
短句来源
     in pesticide wastewater.
     可见该工艺路线能有效的解决山梨酸废水的达标排放问题。
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     1. Sample ;
     1.实验对象
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  wastewater sample
antratus, isolated from a wastewater sample from a copper refinery.
      
The experiment requires only a laboratory beaker, stirring apparatus, dissolved oxygen meter, wastewater sample and receiving stream sample.
      
A simple distillation method is presented for the determination of 14C in heavy water and wastewater sample.
      
Due to sample variability, we recommend that 0.4 mL sulfuric acid be added for every 100 mL dairy wastewater sample to ensure adequate acidification.
      
Lipase from Pseudomonas aeruginosa LP602, a bacterial strain isolated from a domestic wastewater sample, was preliminarily characterized.
      
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For deterpiination of Cr~(6+) in industrial wastewater, the samples were adjusted to PH 7,The Conditoned wastewater samples were passed though a anion-exchange column (resin 1g,l.5×2cm) at a flow rate of 2-3ml/min. The column was washed with50ml of water, and Cr~(6+) absorbed on it was then eluted with 0.8N sodium chloride and determination by colormetric analysis. Its recovery was nbove 95% and precision was under 3%. without digestion it can get completive separation Cr~(6+)/cr~(3+).

将工业废水中Cr~(6+)吸附于阴离子树脂上,调节PH值为7,样品以2—3mL/min流速通过树脂,以0.8N的氯化钠淋冼,定量测定Cr~(6+)。回收率在95%以上,精密度在3%以下。同时,可不经硝化就能把Cr~(3+)和Cr~(6+)完全分离。

A study was made to explore the effectiveness of removing Pb, Cd and Cr from waste water by waterhyacinth. The experiments conducted were: (1) the removal rates of the metals under different initial concentrations, and at varying pH values; (2) the accumulation and release of the metals and (3) the removal of Pb, Cd and Cr from wastewater samples taken from the South Drainage Canal in Tianjin. Experimental results showed that waterhyacinth is effective for removing these heavy metals from wastewater...

A study was made to explore the effectiveness of removing Pb, Cd and Cr from waste water by waterhyacinth. The experiments conducted were: (1) the removal rates of the metals under different initial concentrations, and at varying pH values; (2) the accumulation and release of the metals and (3) the removal of Pb, Cd and Cr from wastewater samples taken from the South Drainage Canal in Tianjin. Experimental results showed that waterhyacinth is effective for removing these heavy metals from wastewater and its effectiveness was found to be in the order: Pb> Cr>Cd. Some of the relevant data are as follows; in 6 days, the purification load, Ns, and the purification efficency, R1, for Pb are 0.076-0.496g/kg(dry) day,and 71.21-85.96%;for Cd are 0.008-0.041g/kg(dry)-day, and 61.54-83.33%; and for Cr are 0.022-0.056g/kg(dry)day, and 29.52-58.62%, respectively.

本文根据天津市南排污河水质特点研究了凤眼莲(Eichhornia Crassipes Solms)对Pb、Cd,Cr的净化功效。分别考查了凤眼莲对复合毒物(Pb、Cd,Cr)不同起始浓度的净化;复合毒物不同起始pH下的净化;对重金属的富集与释放;对南排污河现场污水的净化。在本实验特定条件下,六天后对重金属的净化负荷N;及净化效率R1分别为:Pb:0.076—0.496g/kg(干)·d,71.21—85.95%;Cd:0.008—0.041g/kg(干)·d,61.54—83.33%;Cr:0.022—0.056g/kg(干)·d,29.52—58.62%;对不同金属离子的净化力为Pb>Cr>Cd。

In the determination of trinitrotoluene (TNT) in water and wastewater with sodium sulfite-tetradecanepyridium chloride, Beer's law is obeyed over the ragne of 0 to 100μg of TNT per 25ml. The apparent molar absorptivity was 2.1×104. The method is simple, rapid and sensitive, and has been used for the determination of TNT in wastewater sample with satisfactory results.

本文研究试验用氯化十四烷基吡啶(TPC)胶束增溶分光光度法测定水和废水中的三硝基甲苯(TNT),考察了多种共存成份的干扰,研究了不经分离清除干扰的方法。试验结果表明,本方法灵敏度高(ε_466=2.1×10~4),选择性好,适用于水和废水中三硝基甲苯的测定。

 
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