A detailed introduction to the types, character, mechanism, influential factors and accomplishment method of phase transfer catalytic reaction under ultrasonic radiation re-viewed.
本文对超声波辐射下相转移催化反应的类型、特点、机理及影响反应的因素和实现方法作了评述。
Based on the coupled-mode theory, the transfer-matrix method is used to calculate the transmission spectra of phase-shifted long-period fiber gratings (LPFG).
应用耦合模理论和传输矩阵法计算模拟了长周期光纤光栅的透射谱，并对其进行了切趾优化。
This method can also be used to realize both the more complex magnitude and phase ofa prescribed transfer function.
这个方法可用于同时实现予给传输系数的较复杂的幅度和相位。
The internal moisture distribution and process of dry and wet grain moisture transfer in drying phase of mixed dry and wet corn, wheat and rice were studied by using the tritium oxide labelled method.
用氚水示踪方法研究了玉米、小麦及水稻干湿粮混合干燥各阶段谷粒内部水分分布，及干湿粮水分传递过程。
Mandelic acid was synthesized by means of ultrasonic phase transfer catalysis(PTC) method.
采用超声波相转移催化技术合成了扁桃酸。
Two-phase flow boiling heat transfer in narrow channels is an economical and effective forced heat transfer method for its compact structure.
狭缝两相流传热装置结构紧凑，具有显著的强化效果，是一种既经济又有效的强化传热方法。
Nanocatalysts were prepared by combining the method of precipitation with that of phase transfer.
通过沉淀法和相转移法的结合制备纳米催化剂。
Presents an optimal design method for PCM (phase change material) packed bed based on the heat transfer characteristics.
根据相变材料蓄冷堆积床的传热特性，提出了一种堆积床的优化设计方法。
By studying the theory and method of realizing inductive power transfer for moving electrical apparatus in detail, this paper designs the phase-shifting full-bridge series resonance converter.
文中详细分析了感应电能传输技术的理论和方法，进而设计出用于感应电能传输系统的移相全桥串联谐振逆变器。
By theory analysis of divider transfer function of magnitude-frequency characteristics and phase-frequency characteristics, a new method equalizing stray capacitance could be conclude.
并且通过对分压器传递函数的相频和幅频特性进行理论分析，提出一种分布电容补偿的方法。
Secondly, the exponential slippage guidance method and optimal energy transfer orbit are designed respectively in the homing phase.
其次，在导引段，以脉冲控制策略为前提，分别设计了指数滑移导引律和能量最优转移轨道。
The traditional method for amplitude-phase frequency characteristic calculation is first to solve the numerator polynomials and denominator polynomials of a transfer function.
频域计算的传统方法是先求出传递函数的分子多项式和分母多项式。
From the transfer dynamics in perpendicular gas-liquid phase flow point of view, this paper put forward a calculating method of air volume in deep-well process design.
从垂直气液两相流运行动力学角度，提出深井工艺设计中空气量的计算方法。
Different technologies for the preparations of SPE, including solvent method, non-solvent method and phase transfer catalyst method, were introduced.
重点综述了无溶剂酯交换二步法合成蔗糖脂肪酸多酯的工艺；
The transmittivity of phase-shifted FBG is computed using the method of transfer matrix. The result shows the availability of decreasing the power of pump by using the phase-shifted FBG.
应用传输矩阵法计算了相位位移光纤光栅的透射特性，表明相位位移光纤光栅用于光开关可降低光功率的要求。
A steady heat transfer mathematic model is established for a three-phase asynchronous motor by using a finite volume method.
利用有限体积法建立了三相异步电机的稳态传热数学模型。
Through the screening and assembling of solvent, and surfactant, the optimum formulation of 10% chlorfenapy EW was developed as following by the phase transfer-method.
本试验采用相转移法，通过对溶剂、表面活性剂的筛选和配伍，确定了10%溴虫腈水乳剂的最优配方为溴虫腈质量分数为10%；
Reflection phase properties of one-dimensional photonic crystals(PhCs)with mu-negative or double-negative materials are investigated by the transfer matrix method.
运用光在介质中传播的特征矩阵方法，通过数值计算，研究了一维光子晶体结构对光子禁带的反射光相位的影响。
METHODS Phase-transfer catalytic methylation and suitable method of aftertreatment were used. RESULTS The yield and content was both improved.
结果：反应主要控制在单甲基化阶段，且通过适当的后处理方法，可得产物含量较高的固体纯品。
Soybean sucrose polyester was synthesized with soybean oil and sucrose catalyzed by phase-transfer catalyst of cetyltrimethylammonium bromide (CTAB) in two-step method.
以大豆油和蔗糖为原料，十六烷基三甲基溴化铵为相转移催化剂，采用两步法合成大豆油蔗糖多酯。
Soybean sucrose polyester was synthesized with soybean oil and sucrose catalyzed by phase-transfer catalyst of cetyltrimethylammonium bromide (CTAB) in two-step method.
以大豆油和蔗糖为原料，十六烷基三甲基溴化铵为相转移催化剂，采用两步法合成大豆油蔗糖多酯。
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