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waste water     
相关语句
  废水
     A Study on Continuous Wastewater Treatment by Wet Air Oxidation in a Trickle-Bed Reactor
     滴流床反应器湿式氧化连续处理废水的研究
短句来源
     Study on the Poly Bio-Carries Characteristics and the Treatment of Coke Plant Wastewater in Biological Fluidized-Bed Reactor
     聚合物载体流化床反应器生物颗粒特性及焦化废水流化床系统生物脱氮研究
短句来源
     Study on Biological Nitrification and Denitrification via Nitrite for Coke-plant Wastewater
     焦化废水亚硝化反硝化生物脱氮的研究
短句来源
     Study on Process Integration for Wastewater Minimization
     废水最小化的过程集成方法研究
短句来源
     Study on Removal of Phosphorus in Wastewater with Natural Minerals and Steel Slag
     天然矿物及冶金炉渣处理含磷废水的研究
短句来源
更多       
  废水
     A Study on Continuous Wastewater Treatment by Wet Air Oxidation in a Trickle-Bed Reactor
     滴流床反应器湿式氧化连续处理废水的研究
短句来源
     Study on the Poly Bio-Carries Characteristics and the Treatment of Coke Plant Wastewater in Biological Fluidized-Bed Reactor
     聚合物载体流化床反应器生物颗粒特性及焦化废水流化床系统生物脱氮研究
短句来源
     Study on Biological Nitrification and Denitrification via Nitrite for Coke-plant Wastewater
     焦化废水亚硝化反硝化生物脱氮的研究
短句来源
     Study on Process Integration for Wastewater Minimization
     废水最小化的过程集成方法研究
短句来源
     Study on Removal of Phosphorus in Wastewater with Natural Minerals and Steel Slag
     天然矿物及冶金炉渣处理含磷废水的研究
短句来源
更多       
  污水
     Study and Application on Energy Balance Analysis for Municipal Wastewater Treatment Processes
     城市污水处理工艺能量平衡分析研究和应用
短句来源
     A Study on the Theory and Method of Health Risk Assessment for Wastewater Reclamation and Reuse
     城市污水再生利用健康风险评价理论与方法研究
短句来源
     Study on Hybrid Intelligent Control for Variable Rate Anoxic Biological Filter Wastewater Treatment
     缺氧变速生物滤池污水处理系统混合智能控制研究
短句来源
     The Safety Technology for Municipal Wastewater Reclamation by Advanced Municipal Wastewater Treatment O_3-BAF
     O_3-BAF城市污水再生利用安全保障技术研究
短句来源
     Research on Efficiency and Mechanism of A-step in AB Process for Municipal Wastewater Treatment
     AB法A段处理城市污水效能与机理研究
短句来源
更多       
  污水
     Study and Application on Energy Balance Analysis for Municipal Wastewater Treatment Processes
     城市污水处理工艺能量平衡分析研究和应用
短句来源
     A Study on the Theory and Method of Health Risk Assessment for Wastewater Reclamation and Reuse
     城市污水再生利用健康风险评价理论与方法研究
短句来源
     Study on Hybrid Intelligent Control for Variable Rate Anoxic Biological Filter Wastewater Treatment
     缺氧变速生物滤池污水处理系统混合智能控制研究
短句来源
     The Safety Technology for Municipal Wastewater Reclamation by Advanced Municipal Wastewater Treatment O_3-BAF
     O_3-BAF城市污水再生利用安全保障技术研究
短句来源
     Research on Efficiency and Mechanism of A-step in AB Process for Municipal Wastewater Treatment
     AB法A段处理城市污水效能与机理研究
短句来源
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      waste water
    The three-enzyme system based on alcohol dehydrogenase is suggested as a bioluminescence test for ecological monitoring of waste water.
          
    The Acinetobacter calcoaceticusstrain TM-31 has been isolated from a microbial assemblage of a pilot plant that purifies waste water polluted with mineral oil.
          
    Filtration of polluted industrial waste water in natural aquifers
          
    We examine the problem of the filtration of polluted industrial waste water entering natural aquifers from sludge basins, evaporators, and other types of industrial basins.
          
    The Chromatographic determination of heavy metals in a sample of waste water was carried out using the amperometric detector
          
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    Sulfonated coal possesses very good adsorption action for phenols and its homologues. The experiment mentioned here systematically investigated the adsorption rates, the equillibrium concentrations and the factors affecting the adsorption action of the sulfonated coal for phenolic compounds. The results obtained show that the adsorption rates of sulfonated coal for phenolic compounds are very rapid and the equillibrium reached after 90 minutes. Among the homologues, the adsorption of phenol is preferential....

    Sulfonated coal possesses very good adsorption action for phenols and its homologues. The experiment mentioned here systematically investigated the adsorption rates, the equillibrium concentrations and the factors affecting the adsorption action of the sulfonated coal for phenolic compounds. The results obtained show that the adsorption rates of sulfonated coal for phenolic compounds are very rapid and the equillibrium reached after 90 minutes. Among the homologues, the adsorption of phenol is preferential. The experiment proves that the adsorption is substantially the action of the active center of sulfonated coal upon the hydroxyl group on the aromatic rings. Applying the above conclusions, the approximate total quantity of phenolic compounds adsorbed on sulfonated coal may be obtained when various samples of waste water of different phenolic compound content are treated with sulfonated coal. In case the operation temperature is raised to 70℃, the adsorption concentration decreases apparently, but low temperature (<10℃)is also disadvantageous. Generally, temperature in the range 20-30℃ is favorable. It is obvious that high temperature favors the desorption of phenolic compounds from sulfonated coal. When the pH value of the solution gets above 8, the adsorption of phenolic compounds on sulfonated coal decreases apparently, a sharp drop being observed. The presence of sulfides in solution weakens the adsorption of phenolic compounds on sulfonated coal on account of the formation of phenolates. Other impurities such as amino- and cyano- compounds as well as organic acids do not show apparent influence, if their concentration is not higher then their usual content in waste water. Excessive alkali in solution apparently suppresses the adsorption ability of sulfonated coal for phenolic compounds, and even blocks up the action entirely. In short, either in view of the adsorption rate or the factors affecting the adsorption process, the facts obtained prove that the dephenoling action of sulfonated coal is an adsorption rather than an ion-exchange process.

    磺化煤能够有效的脱除煤焦油污水中的酚类,以前的试验对磺化煤的脱酚效果,使用寿命和再生条件等进行了一系列的考察,证明它是一个简易可行的方法,并初步拟定了一个利用磺化煤脱除煤焦油污水中酚的工艺流程。 在此基础上,又对磺化煤吸附酚类的速度,操作平衡吸附量,及影响吸附过程的因素等,进行了较为详细的考察,为今后进一步的深入研究和发展,提供了新的线索和理论根据。试验结果多方面肯定了磺化煤脱酚是吸附过程。

    For the sake of treating chromium waste from the electroplating workshop, experiments on the electrolytic method of removing chromium were carried out. Results indicate that treatment of chromium waste with the electrolytic method may reduce the hexavalent chromium in the waste to the amount less than the maximum permissible mentioned in the Standards for waste-water effluents, technical control is simple and reliable and the sludge produced may be utilized. The method of double-electrode...

    For the sake of treating chromium waste from the electroplating workshop, experiments on the electrolytic method of removing chromium were carried out. Results indicate that treatment of chromium waste with the electrolytic method may reduce the hexavalent chromium in the waste to the amount less than the maximum permissible mentioned in the Standards for waste-water effluents, technical control is simple and reliable and the sludge produced may be utilized. The method of double-electrode connection was adopted to reduce the current and lower the equipment investment of the rectifier. Factors affecting the method, such as the spacing of the plates, electrolytic period, sodium chloride dosage required, etc., were studied and the economical and reasonabe design data were obtained.

    为了处理电镀车间排出的含铬废水,进行了电解法除铬的小型试验。试验证明,采用电解法处理含铬废水,可使废水中六价铬达到规定的排放标准,操作管理简单可靠,污泥也便于综合利用。试验中采用了双电极的联接方法,可使电流降低,节约整流设备投资。通过试验,摸索了极板间距、电解时间、投加食盐等因素对电解除铬的影响,取得了经济合理的设计数据。

    This paper first discusses the effects of water pollution, and explains that different social systems and different political lines will produce different results on environmental control. Ozonation is proposed as a method of advanced treatment of oil refinery wastewater to control pollution. Laboratory experiments have beeD performed to find out the degree of purification obtained from ozonation and the relations between the various factors concerned. Experiments consist of treating the wastewater in...

    This paper first discusses the effects of water pollution, and explains that different social systems and different political lines will produce different results on environmental control. Ozonation is proposed as a method of advanced treatment of oil refinery wastewater to control pollution. Laboratory experiments have beeD performed to find out the degree of purification obtained from ozonation and the relations between the various factors concerned. Experiments consist of treating the wastewater in static and flowing conditions. Based on the static state experiments the effluents from the aeration tanks and the flotation tanks of the waste-water treatment plant of Tungfanhung oil refinery have been treated with ozone in single-stage columns and multi-stage columns at different contact depths and different contact periods, by using various dosages of ozone to obtain the best degree of purification under the conditions of experiments. The results of experiments show that ozonation as a tertiary treatment method for oil refinery wastewater gives very satisfactory results on the main pollution parameters, such as phenol, oil, sulfides, color, C.O.D., etc., and can be used as an effective method for controlling water pollution. Ozonation of effluents from flotation tanks without biological treatment also gives quite satisfactory results showing the feasibility of using physical/chemical methods of treatment for oil refinery wastewater instead of the biological methods.

    本文首先讨论了水污染造成的危害,并说明不同的社会制度和不同的路线对污染的控制会产生不同的结果。然后提出臭氧氧化法作为炼油厂废水深度处理、控制污染的方法。为了探求臭氧氧化法处理炼油厂废水的规律和效果,我们进行了试验研究,包括静态试验和动态试验两部分。在静态试验的基础上,对东方红炼油厂污水处理厂的曝气池和浮选池出水进行了单级和多级接触反应柱在不同接触柱高度、不同接触时间下采用不同的臭氧投加量以取得试验条件下的最佳处理效果。试验结果表明,臭氧氧化法作为炼油厂废水的三级处理,对炼油废水的主要水质指标:酚、油、硫、色、化学需氧量等都有很好的处理效果,是控制污染的有效方法。不经生物处理而用臭氧氧化法处理浮选池出水,也有较好的处理效果,说明采用物理、化学方法取代生物处理方法的可能性。

     
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