Two kinds of useful selenoxide reagents are synthesized via the oxidation of selenides by CAN under the condition of phase transfer catalysis.
采用CAN作氧化剂，在相转移催化条件下高产率地合成了具有重要价值的有机合成中间体苯苄亚硒砜和苄基亚硒砜。
The application of phase transfer catalysis in fluorination of halo-aromatic compounds, mechanism, variety and reaction condition of fluorination are reviewed in this article.
从相转移催化剂的种类、原理、反应条件以及它在卤代芳香族化合物氟化反应中的应用等方面对相转移催化剂的作用进行概括和总结。
Phase transfer catalysis is hot point now because of its merit of temperate react condition, quick react rate and high production yield.
由于相转移催化具有反应条件温和、反应速度快、反应收率高等优点，使其成为研究的热点。
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%。
Though the equivalent condition of the transfer and phase of the atoms in dictionary, the set will be divided into the unequal set of the atoms, that reduce the size of the storage of the atoms again.
再根据原子库波形中的原子位移和相位这一等价条件，将原子库划分为不等价的原子库集合，从而又减少了原子库中原子的存储和计算量。
The friction and convective heat transfer of single phase water flow in a vertical heated tube at natural circulation condition were experimentally investigated.
以常压去离子水为工质，对自然循环工况下上升加热段内单相水的摩擦阻力及对流传热特性进行了实验研究。
The friction and convective heat transfer of single phase water flow in a vertical heated tube at natural circulation condition were experimentally investigated.
以常压去离子水为工质，对自然循环工况下上升加热段内单相水的摩擦阻力及对流传热特性进行了实验研究。
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