• This article studies benzyl - triethyl ammonium chloride as catalyst of phase - transfer to prepare for phenyl acetate. Get the best operating condition and get the yield of 86%.

    研究了以苄基三乙基氯化铵转移催化剂制备乙酸苄酯,得出最佳操作条件使反应收率达86%。

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  • The effect of Z-stage location on bleaching efficiency and selectivity is discussed. A description of, and the best operating condition for, the so-called Z3 technology are also presented.

    讨论臭氧段位置漂白效率选择性影响叙述提出了Z 3技术最佳操作条件

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  • Under the best operating mode condition, flue gas desulphurization efficiency can be up 80%, which proves that the three-dimensional electrode system has better desulphurization performance.

    最佳条件下烟气脱硫效率达到80%以上,说明电极体系较好的脱硫性能。

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  • Ground maintenance, so that often trap in good operating condition, the ability to protect the best seasons to reach and popularity of economic motives.

    检修使疏水阀时常处在良好作业状态下能力保障达成节令动机普及经济效益

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  • Ground maintenance, so that often trap in good operating condition, the ability to protect the best seasons to reach and popularity of economic motives.

    检修使疏水阀时常处在良好作业状态下能力保障达成节令动机普及经济效益

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