primary reaction

Comparative Study on the Selective Reaction Time of Visual Sense of Students in Middle and Primary Schools in Changchun City

长春市中小学生视觉选择反应时的动态分析比较研究

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The person's eye has reaction towards resulting in various three primary colors ( blue, yellow and red) of color.

人眼对造成各种色彩的三原色（蓝、黄、红）有反应。

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The reaction mechanism was discussed: the primary reaction is mainly the channel of H abstraction, and multistage processes produce electronically activated molecules.

对比F与氯代甲烷反应的机理分析表明，初级反应主要是F提取H形成HF，多级反应产生了电子激发态的产物分子。

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With the consideration of all the reactions involved in the polyesterification of BHET ( bis-β-hydroxyethyl terepliathalate) such as the primary forward polycondensation reaction, its reverse reaction and the cracking reaction, a kinetic equation was derived.

考虑了对苯二甲酸乙二酯（BHET）缩聚过程的主反应、逆反应及热裂解反应，得到一个动力学方程式。

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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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The work shows that single event method can quickly and effectively set up single molecule primary reaction network on computer which build the base of setting up molecular level of ( kinetic) model for delayed coking.

结果表明：单事件方法在计算机上建立单分子的主反应网络是快速而有效的，进而为建立分子尺度的延迟焦化反应动力学模型奠定了基础。

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Specific Radioactivity Produced by the Secondary Charged Particle Nuclear Reaction in the Primary Circuit Water of PWR

压水反应堆一回路水中二次带电粒子核反应产物的比活度

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Primary Research on the Design Method of Large Scale Pulse Packing Column Used as Reaction Extraction Coupling Column

大型脉冲填料塔应用于反应萃取耦合的设计方法初探

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Mild moxibustion in double, double, Sanyinjiao Ciliao acupoint therapy can effectively improve the Primary Dysmenorrhea Rats writhing reaction, namely on primary dysmenorrhea have better therapeutic effect. 3.

温和灸中极、三阴交双、次髎双双穴能有效改善原发性痛经模型大鼠的扭体反应，即对原发性痛经有较好的治疗效果。

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The Theoretical Studies on the Machanism of the Primary Electron Transfer in the Mutant Photosynthetic Reaction Center

细菌光合反应中心突变体原初电子转移机理的理论研究

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At the acid reaction stage the polycondensation reaction was primary and formed the macro-molecule system with the methylene or the ether linkage, and the polymerization formaldehyde decomposed completely, and as the form of methylene glycol participated in condensation reaction.

酸性反应阶段以缩聚反应为主，形成以亚甲基键或醚键联接大分子体系，聚合状态的甲醛已全部分解，并以甲二醇的形式参与缩聚反应；

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