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氯化消毒处理
相关语句
  chloridizing disinfection
     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
  “氯化消毒处理”译为未确定词的双语例句
     STUDY ON MUTAGENICITY OF MANURE-CONTAMINATED SURFACE WATER SAMPLES AFTER TREATMFNT OF CHLORINATION
     禽畜粪便污染地面水样经氯化消毒处理后的致突变性
短句来源
     Correlation Factors and Exploration of Chloridizing Disinfection of Hospitals Sewage
     医院污水氯化消毒处理的相关因素及探讨
短句来源
     During the treatment of chlorizing disinfection of polluted water in hospitals,to improve the water qualitychoose the suitable disinfectant and technological process,limit the dose of Lysol and acidum,and lower,the content of acid in polluted water are important factors to insure the effect of disintfction.
     在医院污水氯化消毒处理中改善污水水质,因地制宜地选择合理的消毒剂和处理工艺流程,限制来苏尔、石炭酸的用量,以降低污水中酚的含量是确保污水消毒效果的重要因素。
短句来源
     Chlorination processes produce many types of disinfection by-products (DBPs), including trihalomethanes (THMs), haloketones (HAAs), haloacetonitriles (HANs) haloketones (HKs), chlorohydroxyfuranones (CHFs), et al.
     饮用水氯化消毒处理过程中可形成多种类型的消毒副产物 (DBPs) ,包括三卤甲烷、卤代乙酸、卤代乙腈、卤代酮及氯代呋喃酮等。
短句来源
  相似匹配句对
     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
     Correlation Factors and Exploration of Chloridizing Disinfection of Hospitals Sewage
     医院污水氯化消毒处理的相关因素及探讨
短句来源
     TREATMENT OF ION EXCHANGE RESINS
     离子交换树脂的处理
短句来源
     R. japoncnsis was treated as a variety under R.
     japonensis处理为R.
短句来源
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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。

This paper reported the mutagenictity of manure-contaminated surface water samples after treatment of chlorination in Shanghai suburbs.These water samples were seriously contaminated by domestic animal excreta. The revertants of salmonella strains TA98 and TA100 were used as indices for detecting the mutagenic potential for such samples,which were prepared by using XAD2 resin for adsorbing The water mutagenic agents and using special organic reagents for eluting the adsorbed components from the resin. The results...

This paper reported the mutagenictity of manure-contaminated surface water samples after treatment of chlorination in Shanghai suburbs.These water samples were seriously contaminated by domestic animal excreta. The revertants of salmonella strains TA98 and TA100 were used as indices for detecting the mutagenic potential for such samples,which were prepared by using XAD2 resin for adsorbing The water mutagenic agents and using special organic reagents for eluting the adsorbed components from the resin. The results of detection showed that before chlorination, only a few water samples gave weak mutagenic response to salmonella strains TA98 or TA100, however,after chlorination, the majority of water samples gave an apparent mutagenic response to TA98 or TA100 or both. The mutagenic intensity was higher in those samples without S9 mix supplementation in the detecting system than in those samples with S9 mix supplementation. The possible origin of the mutagenic agents resulting from water chlorination was discussed around the results of detection.

报道了上海郊区受禽畜粪便严重污染的地面水样经氯化消毒处理后的致突变性。检测方法采用TA98、TA100菌株回复突变试验(Ames试验)。水样处理采用树脂柱上吸附,有机溶剂洗脱法。研究结果表明:未经氯化处理的水样,仅少数样品具有微弱致突变性。经氯化处理后,极大多数水样转化为具有较强的致突变性,其中多数不加S9mix代谢活化系统样品的致突变性强度高于加代谢活化系统的样品。针对研究结果,讨论了与氯化有关的致突变物之可能来源。

PURPOSE Genotoxic activity in raw and drinking water concentrates has been most frequently demon-strated using bacterial mutagenicity tests in vitro. The present study was carry out to examine the potential carcinogenicity and cytotoxicity of raw and drinking water in Syrian hamester embryo (SHE) transformation as-say.METHODS Extracts of water samples were concentrated by adsorption on XAD-2 resin. Cell strain was derived from 11~ 13 day embryos of Syrian golden hamsters.RESULTS The transformation frequencies...

PURPOSE Genotoxic activity in raw and drinking water concentrates has been most frequently demon-strated using bacterial mutagenicity tests in vitro. The present study was carry out to examine the potential carcinogenicity and cytotoxicity of raw and drinking water in Syrian hamester embryo (SHE) transformation as-say.METHODS Extracts of water samples were concentrated by adsorption on XAD-2 resin. Cell strain was derived from 11~ 13 day embryos of Syrian golden hamsters.RESULTS The transformation frequencies (TF) of all the samples except for two new locations were high-er than the those of the control culture treated with DMSO, and a dose-response relationship was observed.Comparing to the source water, the response was greater in the chlorinated drinking samples, but both the raw water and treated water including two new site show a certain cytotoxicity.CONCLUSIONS A portion of potential mutagenicity of drinking water attributed to the reaction of chlo-rine used in the disinfection process. Cytotoxicity and potential carcinogenicity were n0t cnsistent.

用叙利亚地鼠胚胎(syrianhamesterembryo,SHE)细胞转化实验研究了G市自来水公司所属的4个水厂的水源水、自来水及2个新拟建的水源点水样有机提取物的细胞毒性和潜在的致癌性。结果:4个采样点的水源水及自来水可不同程度地诱导转化灶的形成,并有一定的细胞毒性;各点自来水的转化率与源水相比有增高的趋势;新拟建的2个水源取水点水样虽有一定的细胞毒性,但无致转化作用。结论:水源水经一般的氯化消毒处理。可增加水中的致突变致癌物质;细胞毒性与遗传毒性并不成平行关系。

 
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