In preparation of tropicamide, how to choose alkaline solvent which is used in condensation reaction is the key problem.

In the secondary chemical reaction region the key reactions are either, homogeneous or heterogeneous reactions of combustion products.

二次反应区主要是燃烧产物的均相或非均相反应；

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During the synthesis process, carbonization reaction is the key step.

在合成过程中，碳化反应是最为关键的一个步骤。

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The results show that flow rate, microwave power and reaction temperature are key factors.

实验结果表明，气体流量、微波功率和反应温度对脱硫、脱氮率影响较大。

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This thesis focuses on SANY Group and analyses the external-factors-in economy, society, culture, environment, law, technology and etc. It applies "External Factors Evaluation ( EFE) Makix" to evaluate the availability of the enterprise's reaction to key external factors;

本文以三一重机为研究对象，分析企业内外部的经济、社会、文化、环境、法律和技术等方面环境因素，运用外部因素评价矩阵，评价企业对外部关键因素反应的有效性；

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Based on the requirement of dynamic reaction, key technologies for mass customization manufacturing systems, including modularity, flexible layout and material handling systems, and dynamic control strategy, are studied.

根据大规模定制生产对制造系统动态响应的要求，研究了大规模定制制造系统的模块化、结构形式以及控制结构等方面的关键技术。

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Jet pump is a kind of fluid machinery and mix reaction equipment with fluid jet as working medium, which transfers energy to suction fluid through turbulent diffusion of fluid particle.

射流泵是以液体射流作为工作介质，通过流体质点或微团的紊动扩散作用，把能量传给被抽流体的一种流体机械及混合反应设备。

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To study the mechanism of reaction between synthetic jet and primary jet, the comparison between different simplified models of actuators and the simulation of flow field caused by synthetic jet and primary jet by 2D numerical methods are made, which are some main work in the paper.

本文的主要工作之一是对不同激励器简化模型进行比较，对合成射流与主流的合成流场进行二维数值分析以探讨合成射流与主流相互作用的机理。

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A jet propulsion model was designed and the structural dimensions of its reaction chamber and jet nozzle were determined referring to the operating principle of the jet engine in the exploration and investigation of the newfashioned propulsion for the watercraft.

在舰船用新型推进器的研究和探索中，依据火箭喷气式发动机的工作原理，设计了一种喷气式推进模型，并确定了推进模型反应室和喷嘴的结构尺寸。

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The slag temperature and morphology were measured and observed. The equilibrium between the slag and melt and the reaction of oxygen jet with the bath were analyzed.

检测了炉渣的流动温度和岩相结构，分析了渣-钢之间化学反应的平衡状况和氧射流对熔池的作用。

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However, turbulent reaction in jet reactors is a complex multi-scale process and studies on it are not enough. Up to now, design and scale-up of jet reactors are depend on experiments.

然而，由于喷射器内湍流反应过程的复杂性和多尺度性，目前对其研究还很不充分，设计和放大都基本依靠实验来进行。

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Main reaction in jet flow zone was combustion of natural gas and main reaction in tubular flow zone was its conversion.

模拟研究结果表明，在射流区主要为燃烧反应，在管流区主要为转化反应；

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The designed control law includes two control parts, i.e. the continuous control part and the discontinuous control part, which are implemented by aerodynamics and reaction jet actuators respectively.

所设计的变结构控制律包括两部分，即线性控制部分和非线性切换控制部分，其作用力由气动舵面和非线性反作用喷气装置提供。

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Blended Aero and Reaction Jet Missile Controller Based on Adaptive Dynamic Inverse and Optimal Energy Distributive Logic

基于动态逆和能量原则的导弹直接力-气动力复合控制

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Blended Aero& Reaction Jet Missile Autopilot Design Using H_ ∞ Techniques

反作用射流控制导弹的自动驾驶仪H∞设计方法

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Large Angle Attitude Reaction Jet Control for an Air-to-air Missile

空空导弹大角度姿态反作用喷气控制

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A Discussion on Chemical Reaction Isotherm

关于化学反应等温方程式推导的讨论

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We optimized reaction in second-level unit of time in order to find the meeting point of residence time and the form and the entrance to the next step reaction of the intermediate avoiding the side-reactions of intermediate such as rearrangement.

在秒级的时间单位下对反应进行优化，以寻求有机锂吡啶中间体形成并进入下一步反应与微反应器保留时间的契合点，避免中间体的重排引发的诸多副反应。

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The intermediates 3, nitro compounds, were reduced into corresponding intermediate amido compounds 4 by Pd/ C catalysis-hydrogenation. The target compounds 5 ware obtained by the reaction phenylisothiocyanate with the intermediate amido compounds 4, which do not have been separated.

利用Pd/C催化加氢的方法，将中间体硝基化合物3还原成相应的中间体氨基化合物4，制得的中间体氨基化合物，无需进一步纯化即可直接与异硫氰酸苯酯反应，得到目标产物5。

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Ethyl, 3-ethyl-1-methyl-5-pyrazolecarboxylate synthesized by means of Knorr Reaction is an important intermediate of tebufenpyrad.

甲基-3-乙基-5-吡唑酸乙酯是杀螨剂吡螨胺的重要中间体。

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Proline is believed to catalyse the aldol reaction through a hydrogen-bonded intermediate.

人们普遍认为，脯氨酸通过形成单氢键相连接的中介物来催化醛醇缩合反应。

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