The chemical kinetics process of dimethyl ether oxidation at high temperature was obtained by analyzing the reaction rates of the key elementary reactions, the key intermediate species and radicals.

Reaction time is the key technical factor of the condensation reaction while the amount of initiator and chain transfer additives are the second important factors.

缩合时间和聚合时间是聚合工艺中的关键因子，引发剂用量和链转移剂用量是第二重要的影响因子。

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That the only certainty is uncertainty has become a normal environment, the rapid reaction capability become the key to winning business.

在唯一能确定的就是不确定，唯一不变的就是变化的环境中，对环境的快速反应能力成为企业制胜的关键。

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Changes relating to the polymerization reaction rate, the key assistant agent formula ratio and the technological control are emphatically described.

重点介绍了聚合釜改造前后的聚合反应速率、关键助剂的配方量及聚合工艺控制方面发生的重大变化。

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Results Reaction conditions of the key step in this route have been optimized and the reaction mechanism was proposed.

结果对本合成路线中关键步骤的反应条件进行了优化，提出了可能的反应机理。

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The quick reaction ability is the key to obtain the OEM customer orders.

快速反应能力是获得OEM客户订单的制胜关键。

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When the temperature is low, the reaction time is the key factor to influence the thermal decomposition.

温度较低时，时间是硫化氢趋于平衡的主要影响因素，随着温度的提高，温度成为影响硫化氢趋于平衡的主要影响因素。

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The IR analysis showed that raising the reaction extent is the key of further increasing performance.

红外分析结果表明，提高反应程度是进一步提高性能的关键。

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The guidance accuracy and reaction rate are two key technical indices.

在抵近观察过程中，飞行器的制导精度和响应速度是两个关键的技术指标。

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It was found that reaction time was the key to control the morphology.

实验发现：反应时间是控制形貌的关键因素。

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Steady reaction system is the key point to RAPD analysis.

稳定的RAPD反应体系是进行RAPD分析的关键。

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It is evidenced that the effect of available alkalis in concrete on alkali aggregate reaction is the key of factor. The leaching method for determining available alkalis of concrete is introduced. The progress of search on the leaching method for determining available alkalis of Concrete is discussed.

引证了混凝土有效碱是影响碱集料反应的关键因素，介绍了溶出法测定混凝土有效碱试验方法，讨论了溶出法测定混凝土有效碱的研究进展。

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Esterify reaction is the key step in the process of PET equipment, the effect of which directly influences the posterior other two ones and affects the quality of product. In this paper, the method of distillation with reaction is employed in this reaction for manufacturing PET.

酯化反应是制造PET过程中的关键步骤，酯化反应进行的好坏直接影响后序的预缩聚反应和终缩聚反应，并影响产物的质量指标。

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RESULTS One kind of optimum random primer was found in every of 8 sorts of bacteria. The differences were observed among the concentrations of optimum reaction system ( key reaction components) and the greatest difference between the template concentration was up to 100 times.

结果8种细菌各有1条最佳随机引物，相应的优化反应体系（关键反应成分）浓度差别较大，其中模板浓度差别最大达100倍。

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The filtering catalysts was used in synthesis of adipic acid reaction. The key factors influencing the oxidation were also studied, such as reaction time, reaction temperature, mole ratio between H_2O_2 and cyclohexene, the amount of catalysts.

将筛选出的催化剂用于催化H2O2氧化环己烯合成己二酸的反应，探讨了反应时间、反应温度、H2O2与环己烯摩尔比、催化剂加入量等对反应的影响。

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The results showed that the second elementary reaction was the key step to the reaction of rate, and its activation barrier leading to 2,6-dichloropyridine was the lowest among the four reaction paths.

结果表明，不同产物以生成2,6-二氯吡啶的活化能最低。

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Suzuki as one of typical coupling reaction, the key substrate is the aryl boronic acids ( or borates).

作为其代表反应之一的Suzuki偶联反应，其核心反应底物之一是各种芳基硼酸（或硼酸酯）。

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Studied the characteristics of chemical reactions with the liquid and metal, proposed a method of simulation through simulation reaction processes and key experimental phenomena to implement virtual experiment.

研究了金属与液体化学反应特征，提出了通过模拟实验流程和关键实验现象的仿真方法来实现虚拟实验。

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The results indicate that the proper aging time of the reactant in room temperature of reaction mixture is key to prepare pure zeolite X.

结果表明，反应混合物适当的室温陈化时间是制备纯X型沸石的关键；

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

在制备托品酰胺的工艺中，如何选用托品酸和N－乙基－N－（γ－吡啶甲基）胺的缩合酰化的碱性溶媒，以便于后处理是实现工业化生产很重要的课题。

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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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