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waste-water
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  废水
     The Treatment of Methyl Splitting Decomposition Waste-water by Using Ni_2O_3/TiO_2 Complex System Photocatalysis Oxidation
     Ni_2O_3/TiO_2复合体系光催化氧化处理蓖酸甲酯裂解废水
短句来源
     Inhibitory effect of metal ions(Cd~(2+), Ni~(2+), Cr~(6+), Zn~(2+).Cu~(2+), Al~(3+) and Fe~(3+)),usually existing in industrial waste-water,on the activity of biological sludge was studied.
     研究了工业废水中常见的Cd~(2+)、Ni~(2+)、Cr~(6+)、Zn~(2+)、Cu~(2+)、Al~(3+)和Fe~(3+)七种重金属离子对生物污泥的抑制作用。
短句来源
     Determination of As(Ⅲ) and As(Ⅴ) in waste-water by HG-AAS
     HG-AAS测定废水中微量As(Ⅲ)和As(Ⅴ)
短句来源
     Tannery wastewater is a kind of mixed wastewater which contains many kinds of pollutant. After chrome in waste-water is recovered with alkali precipitation, the results are as followings: CODcr>2000mg/L, BOD5 > l000mg/L, S-2> 0- l00mg/L.
     制革废水是一种含多种污染物的混合废水,经碱沉淀法回收后,废水中COD_(Cr)>2000mg/L,BOD_5>1000mg/L,S~(2-)>0~100mg/L。
短句来源
     Through a colaborative test and verification among fire laboratories on an actual dying waste-water containing LAS of 0.78 mg/L and 6.7 mg/L, it was determined that the repeatability standard deviation was 5.0 and 4.5 percent, and the repro-ducibility standard deviation was 5.2 and 9.7 percent, respectively.
     经5个实验室对LAS含量为0.78mg/L和6.7mg/L的实际印染废水的协作试验验证,其重复性相对标准偏差分别为5.0和4.5%,再现性相对标准偏差为5.2和9.7%。
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  “waste-water”译为未确定词的双语例句
     Under the best condition, waste-water with COD 5060mg/L and turbidity 124.0NTU, after the treatment by charcoal, COD reduced to 1036mg/L, 79.5% COD wiped off;
     在最佳状态下,COD为5060mg/L、浊度为124.0NTU的废液经焦炭处理后,COD可降低到1036mg/L,去除率可达到79.5%;
短句来源
     Ozone was continuously dosed in concentration of 2-3 mg/l and mixed and reacted with waste -water in the contact tower. The corrosive rate of the tested probes averaging within 0. 0021 mm/a meets the requirement of national standard <0. 005 mm/a.
     在臭氧连续投加量为2~3mg/L,用接触塔混合、接触情况下,试件平均腐蚀率为0.0021mm/a,达到了国家标准≤0.005mm/a的要求.
短句来源
     This paper inserts grey system, makes use of finite time series, follows GM( 1,1) building method, builds the long term prediction model of total waste -water in Heilongjiang Province.
     本文引入灰色系统理论,利用有限的时间序列,按照GM(1,1)建模方法,建立起黑龙江省污水总量长期预测模型。
短句来源
     The results show that:the removal rate of TN、 TP、 NH3-N is above 80% 、 90% 、 95%,and the effluent quality meets the standard of the Reuse of Urban Recycling waste-water Quality Standard for Urban Miscellaneous Water Consumption.
     试验结果表明:系统运行稳定,TN、TP、NH3-N去除率分别达到80%、90%、95%以上,出水各项指标均优于城市杂用水水质标准。
短句来源
     Development and Prospect of Flocculants Used in Industrial Waste-Water Treatment
     工业水处理絮凝剂的发展状况与前景
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  相似匹配句对
     E-Waste
     E时代垃圾
短句来源
     Consumption and Waste
     消费与浪费
短句来源
     waste and economization;
     挥霍浪费与勤俭节约的文化冲突;
短句来源
     On the Legislation of Electro-waste
     电子废弃物的法律规制
短句来源
     waste water is reused.
     废水循环利用.
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  waste-water
In this study, H-form oleoyl-carboxymethyl-chitosan (H-O-CMCS) was prepared as a coagulation agent to clean up the residual oil from the waste-water of oil extraction (WWOE).
      
The potentialities of the microwave preparation of waste-water samples were examined in the determination of metals in real samples by atomic absorption and inductively coupled plasma atomic emission spectrometry.
      
The method was applied to the determination of aromatic amines in waste-water samples.
      
New microaerophilic sulfur-oxidizing spirilla were isolated from hydrogen sulfide sludge of waste-water treatment plants.
      
The selectivity of S-930 chelating sorbent with respect to nonferrous metals present in the waste-water from electroplating productions was studied.
      
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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 connection...

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 static...

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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