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Study on the levels of volatile halogenerated hydrocarbon in drinking Linyi City.

饮用水;挥发性卤代烃;氯仿;四氯化碳.

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Cesium carbonate catalyzed O - alkylation of phenol to synthesize alkly aryl ethers.

摘要研究了碳酸铯催化酚与卤代烃反应制备烷基芳醚.

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In addition, acid and halogenated hydrocarbons aryl the coupling reaction is a C - C bond important ways.

此外, 芳基硼酸与卤代烃的偶合反应是形成C -C 键的重要途径.

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The article uses headspace gas chromatography to measure halogenated hydrocarbon in the sample water.

应用顶空气相色谱法测定水样中卤代烃.

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Fire protection. Fire extinguishing media. Halogenated hydrocarbons. Part 1: specification for halon 1211 and halon 1301.

防火. 灭火介质. 卤代烃. 第1部分: 聚四氟乙烯1211和聚四氟乙烯1301规范.

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Synthetic solvents, the most common of which is Perchloroethylene ( PERC ) are nonflammable halogenated hydrocarbons.

合成溶剂, 最常见的是氯乙烯 ( perc ) 是不燃卤代烃.

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Other detectors can be used when analyzing other impurities such as halocarbons in other gases.

当分析其它气体中的其它杂质如卤代烃时,可以使用其它检测器.

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

经过筛选确定苯系物 、 多环芳烃 、 有机氯农药 、 多氯联苯和挥发性卤代烃为主要污染物.

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Conclusions: The alkanes substituted phenolshigher antioxidant activity than that of electron - withdrawing groups substituted phenols.

结论: 烷烃基类取代物易于抗氧化,卤代烃基或硝基类取代物抗氧化活性差.

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Available data are used to calculate the viscosity of halide at saturated vapor state.

在大量数据评估和分析的基础上,提出了一种推算有机卤代烃饱和蒸气粘度的新方法.

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