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各种废水
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  various wastewater
     Upflow Anaerobic Sludge Blanket (UASB) has been widely applied to various wastewater treatment projects.
     上流式厌氧污泥床反应器已广泛应用于各种废水处理 .
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  “各种废水”译为未确定词的双语例句
     The result indicate that the molecular sieve - Bi2O3 catalyst is feasible in condition of 165℃ and relatively Iow acidity for 15 minute sealed digestion.
     通过对各种废水COD值的测定表明,用分子筛组装Bi2O3做催化剂,在165℃,较低酸度,密封消解15min是可行的,并能显著降低分析费用。
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     The progress onstudy results andinfluence factors of adsorption process toremoval heavy metal ions using activated carbonwere summarized. The heavy metal ions are as follows : Cr(Ⅵ),Cu2 +,Zn2 +,Cd2 +,Pb2 +,Mn2 +,Hg2 +and the mixture of several kinds of ions mentioned above. The adsorption mechanisms were also discussed,to accelerate the develop of absorbing metallic ion of activated carbon.
     介绍了国内外学者应用活性炭吸附去除包括:Cr(Ⅵ),Cu2+,Zn2+,Cd2+,Pb2+,Mn2+,Hg2+以及混合重金属离子在内的各种废水的处理效果与影响因素,并对相应的吸附机理进行了讨论,以促进活性炭吸附去除重金属离子的进展。
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     Even so, only underirradiation of ultraviolet light (λ< 387 nm) TiO2 catalyst can effectively destroy theorganic pollutants in wastewaters because of its broad band-gap (Eg = 3.2~4.5 eV). Ingeneral, the sunlight only contains 3 % ~5 % ultraviolet light, so it is impossible to utilizesunlight directly for activating TiO2 photocatalyst effectively.
     但是,由于TiO2的带隙较宽(Eg = 3.2~4.5 eV),可利用的激发光仅限于紫外光(λ< 387 nm),而太阳光中仅含3 % ~5 %左右的紫外光,使用紫外光降解各种废水则需耗费大量能源,而且还需要价格昂贵的设备。
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     Proper wastewater treatment conditions have been obtained by experiments.
     实验得到了各种废水的适宜处理条件。
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     The date indicate that the composite catalyst MnSO 4-Ce(SO 4) 2 is feasible in condition of 165℃ and relatively low acidity for 15-minute sealed digestion.
     通过对各种废水 COD值的测定表明 ,用 Mn SO4 - Ce(SO4 ) 2 做催化剂 ,在 1 65℃ ,较低酸度 ,密封消解 1 5min是可行的。
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     Proper wastewater treatment conditions have been obtained by experimenting.
     得到了各种废水的适宜处理条件。
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     This method is suitable to various industry waste water and the earth surface water .
     该方法适用于各种工业废水和地表水体
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     NITRIFICATION OF WASTEWATER
     废水的硝化作用
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     Technology of Disposal of Waste-Water
     废水处理技术
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     Various Unique Batteries
     各种新颖电池
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  various wastewater
The analytical utility of the cysteine-modified sensor was demonstrated by applying it to cadmium analysis in various wastewater and soil samples collected from a contaminated site and extracted using acetic acid.
      
Even critics of various wastewater solutions may be valuable members of an advisory committee to ensure that all points of view are considered.
      
Identifying the various wastewater sources, flowrates and contaminant constituents can be a beneficial first step in developing practical upgrades.
      
Microbial ecology and population dynamics of nitrifying bacteria in various wastewater treatment processes were analyzed using FISH.
      
Mfg and sales of bio carriers effective for nitrification and denitrification of various wastewater.
      
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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。

According to Narier-Stokes equation and Kozeny assumption, a formula for calculating the resistance of resin layer has been deduced on the basis of a capillary flow model. In combination with four kinds of ion exchange resins and a kind of white ball, generally used in ion-exchange treatment for plating wasterwater, lots of measurements have been made on different resistance factors, such as layer thickness, filtering rate, grain diameter, layer porosity, and concentration and temperature of various wastewater....

According to Narier-Stokes equation and Kozeny assumption, a formula for calculating the resistance of resin layer has been deduced on the basis of a capillary flow model. In combination with four kinds of ion exchange resins and a kind of white ball, generally used in ion-exchange treatment for plating wasterwater, lots of measurements have been made on different resistance factors, such as layer thickness, filtering rate, grain diameter, layer porosity, and concentration and temperature of various wastewater. With the aid of error theory, the resistance practically measured at different flow rates is treated by data processing and regression statistics At last an emprical formula for calculating the resistance of resin layer is worked out. The formula has been checked by actual measurements and its errors are shown to be within the tolerance limit. In addition, the variation of layer porosity is discussed in detail.(p. 13)

本文应用毛细管流模型,按照纳维尔-斯托克斯方程和柯赛尼假定,导出水流通过滤层的阻力公式,结合离子交换法处理电镀废水常用的四种树脂和一种树脂白球,对公式中各项阻力因素:滤层厚度、过滤速度、滤层颗粒直径、滤层空隙率及各种废水的浓度与温度等作了大量测定,对各种流速下实测的阻力应用误差理论进行了数据处理和回归统计,最后得出了半理论半经验树脂层阻力计算公式,并作了实测检验,证明误差均在允许范围。文中对滤层空隙率的变化作了详细的讨论。

In this paper, concentrations of organic compounds which are difficult to be biodegraded in textile industry wastewaters can be obtained by Bio-carboon dynamics, which is based on the scientific theory of deep treatment and recycle of textile industry wastewater.

通过对生物碳动力学的研究,可求得纺织工业各种废水中难以被生物降解有机物的浓度,为纺织工业废水深度处理及回用提供了科学的理论依据,并使其得到实施。

 
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