| 1. | This sequence is somewhat less obvious .
这个反应历程不那么明确。 |
| 2. | It is the reverse of the propagation step in addition polymerization .
这一过程是加聚反应历程中链增长步序的逆过程。 |
| 3. | This mechanistic pathway cannot be invoked to explain the synthesis of phthalonitriles(72) .
这个反应历程不能用于解释邻二基苯（72）的合成。 |
| 4. | We therefore write the formal mechanism in equations(47a), (47b)and(47c)in which ds is a donor additive .
因此，我们把正式的反应历程定成方程式（47a），（47b）和（47c），式中ds是给电子添加剂。 |
| 5. | Femtochemistry and organic reaction mechanism
飞秒化学与有机反应历程 |
| 6. | This mechanistic pathway cannot be invoked to explain the synthesis of phthalonitriles ( 72 )
这个反应历程不能用于解释邻二基苯（ 72 ）的合成。 |
| 7. | All above results show that the reaction experiences the six - member ring transition state with two - step path
这表明该反应主要经历六元环过渡态的两步反应历程。 |
| 8. | This article makes a discussion on the electron - effect and the reaction mechanism , and takes the actual examples to explain them
本文从电子效应和反应历程两个方面作了讨论，并通过具体实例加以解释。 |
| 9. | Abstract : the resulted ir spectrum makes it possible to determine the reaction mechanism of ethyl acetoacetate with tetra butyl titanate
文摘:得到的红外光谱使其决定钛酸四丁酯与乙酰乙酸乙酯的反应历程。 |
| 10. | The reaction pathway and the structure of final products were found to depend on the structure of starting materials and the mechanism was proposed
提出了可能的反应机理，起始卤代膦烯的结构决定了反应历程和最终产物的结构。 |
