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为相转移催化剂制备乙酸苄酯，得出了最佳操作条件，使反应收率达86%。
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.
讨论了臭氧段的位置对漂白效率和选择性的影响，叙述并提出了Z 3技术的最佳操作条件。
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.
在最佳条件下，烟气脱硫效率能达到80%以上，说明三维电极体系有较好的脱硫性能。
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