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工艺废水
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  process wastewater
     The wastewater is strongly acidic. By first pretreating the process wastewater and then adjusting the quality of the water with low_concentration wastewater,which were followed by hydrolysis and contact oxidation,the CODcr in the final outlet water was 130~150 mg/L,with NH3_N≤25 mg/L.
     采用先对工艺废水进行预处理 ,再用低浓度废水调整水质 ,然后经水解、接触氧化最终出水的CODcr为130~150mg/L,NH3-N≤25mg/L。
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     Research for Treatment of Pectin Process Wastewater by Precipitation-adsorption
     沉淀——吸附法处理果胶工艺废水
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     The waste water from CLT acid eduction,which contains 94% of the total COD amount in the process waste water,is the main source of the waste water discharged from the production of CLT acid.
     CLT酸酸析废水是CLT酸生产中排放废水的主要来源 ,其COD排放量占工艺废水COD总排放量的94 %。
短句来源
     HOMOGENEOUS CATALYTIC WET AIR OXIDATION FOR TREATMENT OF ETHOXYQUINE MANUFACTURING PROCESS WASTEWATER
     均相催化湿式氧化法处理乙氧基喹啉合成工艺废水
短句来源
     Acetaldehyde plant 00Crl7Ni12Mn2 waste line cracking occurred only after six months run length, the results of studyshowed, that the concentration of chlorion in process waste water is out of standard at the operating environment, and some factors in constructions cause the chlorion stress corrosion.
     通过对乙醛00Cr17Ni12Mo2废水线投用6个月后即发生腐蚀开裂原因的分析,认为在该种工况下,是工艺废水中氯离子浓度超标和施工质量等因素造成氯离子的应力腐蚀。
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  craft wastewater
     Exploitation and Treatment of Study on Composite Flocculants Applied in Acrylic Fiber Craft Wastewater
     腈纶工艺废水复合絮凝剂的开发及其处理研究
短句来源
     This article mainly is through selects several kinds of the organic and inorganic flocculation medicaments which be carried on solely,composite matches the flocculation experiment,and research flocculation effect of treating acrylic fiber craft wastewater with different flocculants,discovers one kind composite flocculants that is able to enhance pretreatment effect in treating the acrylic fiber craft wastewater.
     通过选取几种有机、无机絮凝药剂进行单一、复配絮凝实验,研究了不同絮凝剂处理腈纶工艺废水的絮凝效果,找出一种能够提高腈纶工艺废水预处理效果的复合絮凝剂。
短句来源
     The experiment indicated that flocculating effect of inorganic macromolecule flocculants in treating the acrylic fiber craft wastewater is better than that of organic macromolecule flocculants,flocculation effect of PFS is best;
     实验表明:对腈纶工艺废水来说,无机高分子絮凝剂处理效果较有机高分子絮凝剂要好,其中PFS絮凝效果最好;
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  “工艺废水”译为未确定词的双语例句
     Then the wastewater was mixed in cer-tain proportion with lightly polluted wastewater andtreated with anoxic-PAC-SBR process. The results showed that the removal efficiencies of COD, BOD5,nitrobenzene, aniline, and volatile phenol were 92%、98%、 97%、 98% and 99.6% respectively, and the colourindex of wastewater was decreased from 5.8~10 tenthousand times to 8 times.
     经过预处理的工艺废水再按一定的比例与轻污染废水混合,经兼氧生化、PAC-SBR处理后,可使废水的COD去除率达到92%,BOD5去除率达到98%,硝基苯类去除率达到97%,苯胺类去除率达到98%,挥发酚去除率达到99.6%,色度可从5.8万~10万倍减少至8倍。
短句来源
     Wastewater containing m-dinitrobenzene and m-nitroaniline has been pretreated by a combination tech-nique, i.e. Fe/C micro-electrolysis/Ferrite reducing &oxidation, and the removal efficiencies of COD, ni-trobenzene and aniline were 70.9%、88.5% and 50.5%respectively.
     用铁炭微电解—亚铁还原氧化法对含有以间二硝基苯、间硝基苯胺等物质为主的工艺废水进行预处理后,COD硝基苯、苯胺的去除率分别为70.9%、88.5%、50.5%。
短句来源
     Research for the Treating Methods of Wastewater from the Technology of Pectin
     果胶工艺废水处理方法研究
短句来源
     The research and engineering practice on treating the wastewater from acheomycin producing process by SBR process are introduced,the new processes of SBR-contact oxidation was brought forward first. The engineering practice show that the COD removal rate of the wastewater from acheomycin producing process by SBR-contact oxidation process could reach 85% steadily,and the COD load of SBR could reach 2.7kgCOD/m3od.
     介绍了用连续进水SBR工艺处理四环素废水的实验研究和工程实践过程,提出SBR和接触氧化串联处理四环素废水的新工艺,经工程实践证明,采用此工艺废水COD总去除率可以稳定在85%以上,SBR反应器去除负荷可以达到2.7kgCOD/m3·d.
短句来源
     Research into advanced purification of wastewater with UBAF and sand filtration technology
     UBAF+砂滤工艺废水深度净化的应用研究
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  process wastewater
Laboratory-scale evaluation of fluidized bed reactor technology for biotreatment of maleic anhydride process wastewater
      
Acute toxicity of anin situ shale oil process wastewater and its major components toDaphnia magna
      
Removal of Zn(II) from dilute aqueous solutions and radioactive process wastewater by foam separation
      
The developed ACF process was applied to the removal of65Zn from radioactive process wastewater.
      
Aziz and Beheir2 investigated the removal of Cs-134 and Co-60 from radioactive process wastewater using cetyl pyridinium chloride as a collector.
      
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A research has been developed to monitor the uranium content in secveralkinds of uranium-bearing waste liquids,which come from the ADU or AUCchemical processing.The main instrument used in this work is a laser-fluoresc-ence analyze Model JU-1 made in China.The characteristic of this method isthat the influence of many kinds of anions and cations were eliminated withdiluting.A empiric formula for the temperature compensation has been derivedbased on our experimental results,because the effect of temperature is...

A research has been developed to monitor the uranium content in secveralkinds of uranium-bearing waste liquids,which come from the ADU or AUCchemical processing.The main instrument used in this work is a laser-fluoresc-ence analyze Model JU-1 made in China.The characteristic of this method isthat the influence of many kinds of anions and cations were eliminated withdiluting.A empiric formula for the temperature compensation has been derivedbased on our experimental results,because the effect of temperature is great onthe fluorescence intensity.The precision of the method is ±5%,The frecoveryis 112±6% and 90±4% when 0.4ppb uranium and 2.5ppb uranium was addedseparately.The inspection limit of the used instrument is down to 0.5ppb.

采用国产 JU-1型激光荧光铀分析仪测定痕量铀,以监测 ADU 及 AUC 化工工艺过程中产生的各种废水排放。该方法的特点是采用稀释法排除工艺废水中多种阴、阳离子的干扰。温度对荧光强度影响甚大,故从实验结果推导出了温度补偿经验公式。方法的精密度为±5%,回收率为112±6%(加入0.4 ppb 铀回收)和90±4%(加入2.5 ppb 铀的回收)。仪器的检出限为0.05 ppb。

The waste water from cadmium-plating includes: (1) that from cyanate cadmiumplating; (2) that from passiviated waste water of cadmium-plating; (3) that from deplating liquor. According to the recommended methods, (1) is oxidized to eliminate the CN~-ion, more than 99% of Cd~(2+) precipitate can be recovered, and the residual harmful ion is further treated with humic acid resin or by reverse osmosis, So that the waste water can be safely rejected or recovered; (2) is treated with humic acid, while the exchange...

The waste water from cadmium-plating includes: (1) that from cyanate cadmiumplating; (2) that from passiviated waste water of cadmium-plating; (3) that from deplating liquor. According to the recommended methods, (1) is oxidized to eliminate the CN~-ion, more than 99% of Cd~(2+) precipitate can be recovered, and the residual harmful ion is further treated with humic acid resin or by reverse osmosis, So that the waste water can be safely rejected or recovered; (2) is treated with humic acid, while the exchange capacity could be as high as 67mg/kg-resin; (3) can be treated with (NH_4)_2CO_3, While the recovery of Cd~(2+) is more than 97% with purity higher than 99%. The above described combined technique has been successfully operated in industrial scale for more than one years, apparent economical and enviromental effects have been observed.

镀镉工艺废水包括氰镀镉废水(Ⅰ)、镀镉钝化废水(Ⅱ)和退镀液废水(Ⅲ)。采用本研究方法,对于(Ⅰ)用氧化法除CN~-,同时可回收99%以上的Cd~(2+)沉淀物,母液中残存的有害离子进一步用腐植酸树脂或反渗法处理后,废水可以安全排放或回用;对于(Ⅱ)用腐植酸树脂处理,Cd~(2+)的饱和交换容量可达67g/kg树脂;对于(Ⅲ)用(NH_4)_2CO_3处理,Cd~(2+)的回收率>97%,纯度>99%。上述组合技术已在生产线上稳定运行一年以上,有明显的环境和经济效益。

An ion chromatographic method for determination of trace quantoty of anions in electronic grade water, high purity gases, e. g. N2, H2, O2, Ar and He; special gases, e. g. SiH4, PH3, CO2, HC1 and CH4; various kinds of resins, plastics, reverse osmosis membranes and ultrafiltration membranes has been proposed. The detection limit is 0.1, 0.05, 0.5. 0.5, and 0.1 ppb for F-, Cl-, NO3-, HPO42- and SO42-, respectively.In this study the anion analytical method with detection limit lower than 0.5 ppb without using...

An ion chromatographic method for determination of trace quantoty of anions in electronic grade water, high purity gases, e. g. N2, H2, O2, Ar and He; special gases, e. g. SiH4, PH3, CO2, HC1 and CH4; various kinds of resins, plastics, reverse osmosis membranes and ultrafiltration membranes has been proposed. The detection limit is 0.1, 0.05, 0.5. 0.5, and 0.1 ppb for F-, Cl-, NO3-, HPO42- and SO42-, respectively.In this study the anion analytical method with detection limit lower than 0.5 ppb without using concentration coloum is reported for the first time.A rapid, reliable and accurate ion chromatographic method has been established and adopted as a National arbitration method for Electronic grade water standard.

本工作建立了高纯水、高纯气(N_2、H_2、O_2、Ar、He);特种气体(硅烷、磷烷、二氧化碳、氯化氢、甲烷)以及硅片,高纯水用的各种树脂、塑料,各种反渗透膜、超过滤膜中阴离子分析方法,对于F~-,Cl~-,NO_3~-,HPO_4~(2-)及SO_4~(2-)检测限分别为0.1,0.05,0.5,0.5,0.1ppb,并建立了半导体工艺废水中NH_4~+、NO_2~-、SO_3~(2-)、Br~-、CN~-和AsO_4~(3-)等离子的分析方法。用自制的小容积、灵敏度高的电导检测器以及自制的大体积定量管,代替了引进件。并改进了检测系统, 增加反压装置,降低了基线噪声,设计并制造了一套膜过滤及溶液吸收联用的气体采样装置,采用一次直接进样,大大提高了检测灵敏度(3倍),降低了检测限,从而首次成功的将这一分离技术应用在半导体工艺中,在国内外首次实现测定≤0.5ppb级超痕量阴离子不采用浓缩柱的技术,建立了快速、灵敏、可靠性强的离子色谱分析的新方法。 目前已为全国85个单位检验各种水质、原材料、气体等。该方法已定为中华人民共和国电子级水国家标准方法的仲裁方法。

 
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