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水氯化消毒
相关语句
  water chlorination
     Issues on Organic Halogen in Water Chlorination
     水氯化消毒出水中的卤代物问题
短句来源
  chloridizing disinfection of drinking water
     The Impact on Body Health about Chloridizing Disinfection of Drinking Water
     水氯化消毒处理对人体健康的影响
短句来源
  “水氯化消毒”译为未确定词的双语例句
     The Formation of Disinfection By-products (DBPs) in Chlorination of East River Water-the Source Water for Hong Kong's Drinking Water
     香港饮用水源(东江)水氯化消毒副产物产生的特征
短句来源
     Trihalmethanes (THMs) is composed of chloroform(TCM)、bromodichloromethane (BDCM)、 dibromochloromethane (DBCM) and brmoform (TBM). The THMs in reused water is a kind of disinfectant by-pruduction that result from its chlorination .
     三卤甲烷(THMs)由氯仿、溴二氯甲烷、二溴氯甲烷、溴仿组成,中水中的THMs主要来自中水氯化消毒后的副产物。
短句来源
  相似匹配句对
     Water
    
短句来源
     They always connected water with their attitude.
    
短句来源
     Water Hygiene of Swimming Pool Chlorination
     氯化消毒游泳池的卫生学研究
短句来源
     Study of Disinfection Processes for Different Water Qualities of Raw Water
     不同原氯化消毒工艺研究
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  water chlorination
Water chlorination results in the formation of trihalomethanes (THMs) including chloroform.
      
Citric acid: Potential precursor of chloroform in water chlorination
      
Cooling water chlorination and productivity of entrained phytoplankton
      
Chromosomal aberrations in onion (Allium cepa) induced by water chlorination by-products
      
Drinking water chlorination and cancer - a historical cohort study in Finland
      
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Raw and finished Water samples taken from 10 water plants, in Wuhan City involving different wate rsourceswere analysedw ith gas chromatography for measuring halohydrocarbons. The Results showed that halohydrocarbons level in water increased obviously after disinfection (chlorination) ;Halohydrocarbons concentration Varied with seasons, and rose sharply in summer.When heating finiched water to boiling point, the concentratiou of halohydrocarbons is twice as high as original one.The study showed the halohydrocarbons...

Raw and finished Water samples taken from 10 water plants, in Wuhan City involving different wate rsourceswere analysedw ith gas chromatography for measuring halohydrocarbons. The Results showed that halohydrocarbons level in water increased obviously after disinfection (chlorination) ;Halohydrocarbons concentration Varied with seasons, and rose sharply in summer.When heating finiched water to boiling point, the concentratiou of halohydrocarbons is twice as high as original one.The study showed the halohydrocarbons in finished water come mainly from haloform reaction during the chlorinating disinfection process of raw water.The main factor influencing the concentration of halohydrocarbons in finished water is the quality of intake water.Approaches to halohydrocarbons control and the Steps to tackle the contamination problems are also discussed.

本文首次对武汉市不同季节饮水中卤代烃的种类和含量分布特性进行了调查和研究。调查与研究结果表明,武汉市水厂水源卤代烃含量范围为0.02—0.55μg/l,年平均含量低于0.2μg/1,水源水经氯化消毒处理后,出厂水卤代烃含量增加高达百倍,含量范围是1.3—6.20μg/l,年平均含量为13.9μg/l。饮水中卤代烃的主要成份是氟仿,约占卤代烃总量的90%。自来水加热至沸时,卤代烃含量增加约一倍。自来水中卤代烃主要来自源水氯化消毒过程中的卤仿反应,影响卤代烃含量的主要因素是源水水质。保护水厂水源提高水源,水质是解决武汉市饮水卤代烃污染的主要途径。

The mechanism of volatile organohalides formation during water chlori-nation was investigated.Effects of pH,Cl_2 concentration,and time etc.on the volatile organohalides formation were studied using simulated chlorination test.First order kinetic equation for volatile chloroform was suggested. In-vestigation of volatile organohalides in two swimming pools were reported.

阐述了源水氯化消毒过程中产生挥发性卤代烃机理.通过模拟消毒处理,研究了各种环境条件如活性氯浓度、pH值、时间等对卤代烃形成的影响.对氯仿挥发动力学做了初步探讨,同时对具有相同处理过程的游泳池中的卤代烃也作了含量调查.

Purpose: To study the genotoxicity of non-volatile organic chemicals in Huai river water to organism. Methods: zool of water sample was collecfed from Huai river source water、clarified filtration water、chlorinated tap water and reservoir's water, respectively. After being adsorpted and concentrated, water samples were administrated by gavage into mouse stomach. The mutagenicity was studied by means of micronucleus test in mouse thoracic bone-marrow polychromatic erythrocyte (PCE) and the genotoxicity by means...

Purpose: To study the genotoxicity of non-volatile organic chemicals in Huai river water to organism. Methods: zool of water sample was collecfed from Huai river source water、clarified filtration water、chlorinated tap water and reservoir's water, respectively. After being adsorpted and concentrated, water samples were administrated by gavage into mouse stomach. The mutagenicity was studied by means of micronucleus test in mouse thoracic bone-marrow polychromatic erythrocyte (PCE) and the genotoxicity by means of sperm morphologic analysis. Results: the mutagenicity and sperm deformity of some degree are induced by Huai river source water and tap water. The order of mutagenic potentiality of those samples is as follows: chlouinated tap water >reservoir's water >source water >clarifying fillration water. Conclusion: The source water is contaminated by organic mutagens. Using coagulation and precipitation, genotoxicity of source water is decreased because of the removal of some mutagenic organic chemicals. Addifionally chlorination can increase the genotoxicity of tap water.

目的 :研究淮河水中非挥发性有机物对机体的遗传毒性。方法 :采集淮河源水、自来水厂滤池出水、氯化消毒自来水及大型贮水箱水各 2 0 0升 ,经吸附浓缩后予小鼠灌胃染毒。以胸骨骨髓嗜多染红细胞微核率检测致突变性 ,以精子畸形率检测遗传毒性。结果 :淮河源水及消毒处理过的自来水均有一定程度的致突变及致精子畸形性。遗传毒性大小顺序依次为 :消毒处理过的自来水 >贮水箱水 >源水 >滤池出水。结论 :淮河源水已受到有机诱变物的污染。混凝沉淀具有去除有机物、降低源水遗传毒性作用。而加氯消毒使水质的遗传毒性增高。

 
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