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%。
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%.
相转移法合成萘丁美酮具有所用试剂易得，操作方法简便，反应条件温和，成本较低等优点。
CONCLUSION The phase transfer catalyst has advantages of simple starting material, convenient operations and mild reaction conditions.
目前实行机构合并的条件已经成熟，应从节约税收成本、完善转移支付制度和规范税收权力运作等方面进行操作。
Nowadays there are adequate conditions for the combination, which will save tax collection cost, improve transfer payment system and standardize the power of tax collection.
最后，对相同操作条件下焦炭与组合型填料在清水与餐厅污水中的氧转移系数进行了比较。
Finally, the comparison of liquid-phase overall volumetric oxygen transfer coefficient in water with that in restaurant waste-water was made.
操作器转换选择开关：有及无负荷转移的条件下都可以选择操作。
Exerciser transfer Selector Switch: Permits selection of exercise with and without load transfer.
本文的研究重点是要试图论证在公共财政条件下国家助学贷款转移支付的可能性、可行性和可操作性。
The emphasis of my study is to demonstrate the impossibility, feasibility, and maneuverability of transfer-for-GSSL under the public fiscal.
本文的研究重点是要试图论证在公共财政条件下国家助学贷款转移支付的可能性、可行性和可操作性。
The emphasis of my study is to demonstrate the impossibility, feasibility, and maneuverability of transfer-for-GSSL under the public fiscal.
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