• 除了脂肪胺外多种异芳基代物甚至代物也能很好地与含N-H环化合进行偶联

    Apart from alkyl amines, many aryl bromides, even heterochorides could be efficiently coupled by N-H heterocycles.

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  • 生产环氧丙烷所合杂质乙醛丙醛外还有烃类环氧化丙酮醇类

    Chlorohydrin production of propylene oxide with the impurities except for acetaldehyde, propionaldehyde and hydrocarbon, epoxides, halogenated alkanes, acetone, alcohols, such as.

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  • 方法:2氨基45二甲氧基苯甲酸为原料,分别经过化、氯代等反应,合成五种目标化合

    The five quinazoline compounds were prepared by using 2 amino 4,5 dimethoxy benzoic acid as original material, which underwent ring closing, halogenation and substitution.

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  • 因此合适合成方法成功获得氯代芳香化合关键

    So searching for suitable synthetical method is the key to succeed in obtaining PPAHs.

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  • 使用最多化合(酸钠形式)

    The most widely used halogenated compounds are chlorine (in the form of sodium hypochlorite) and iodine.

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  • 扬子石化公司污水处理厂曝气出口处活性污泥样品,经驯化、培养、分离得到降解氯代酚类化合复合

    The complex bacteria able to degrade chlorinated phenols were enriched and isolated from the activated sludge sampled at the outlet of aeration tank of the WWTP of the Yangtse Petrochemical Company.

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  • 所有检出有机中,有机农药烃类检出率最高分别达到60%、57.8%。

    Among all the organisms, the organochlorine pesticide category and halohydrocarbon category get the highest detection rate as 60% and 57.8% respectively.

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  • 选用SE54毛细管、氢火焰离子化检测器氯代苯为内标采用较低,使TDI更好地分离减少副反应的发生。

    The TDI and internal standard chemicals can be separated better and the side reaction is reduced at lower column temperature by use of SE54 capillary column and FID detector.

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  • 经过筛选确定苯系多环芳烃、有机农药、多联苯挥发性烃为主要污染

    The main pollutants are benzene serial materials, polycyclic aromatic hydrocarbon, organochlorine insecticide, PCB and volatile halogenated hydrocarbon.

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  • 氯代芳香族化合厌氧条件下通过还原作用得以降解

    In anaerobic environments, chlorinated aromatic compounds were usually degraded by reductive dechlorination.

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  • 氯代有机一类重要的难降解性有机化合人类健康环境具有极大的危害性。

    Chlorinated organic wastewater is harmful and resistant to degradation, which imperils human being's health and environment seriously.

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  • 完善地下水氯代污染处理技术,进行了改性润土吸附模拟水样化碳试验研究

    To improve the technology for treating chlorinated hydrocarbons in ground water, adsorption of carbon tetrachloride in simulated water sample by modified bentonite was investigated.

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  • 该类化合是以香芹酮起始原料经过氯代反应缩合反应、硼氢化钠还原黄鸣龙还原反应得到的。

    The compounds are obtained by using carvone as an initial raw material through chlorination reaction, condensation reaction, sodium borohydride reduction and Huang Min-lon reduction reaction.

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  • 在碘钨灯照射下,镀锌板对偶染料氯代有机还原降解速率倍增

    Reducing degradation rates of azo dyes and chloroorganics by the electrogalvanizing zinc plate were greatly increased under the irradiation of an iodinetungsten lamp.

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  • 硝基苯2-苯甲酸等污染的降解率分别为1 0 0 %。

    The degradability for nitrobenzene, 2 chloro butenoic acid are all 100%.

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  • 硝基苯2-苯甲酸等污染的降解率分别为1 0 0 %。

    The degradability for nitrobenzene, 2 chloro butenoic acid are all 100%.

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