The X-ray diffraction parameters of carbonization products and the mechanismofchemicalreaction of pitch have been analyzed.
流变性能的影响，并分析了添加硫后的沥青碳化产物的X—射线衍射参数的变化及其碳化过程的机理。
2
Molecular collision and reaction dynamics is a subject of studying microscopic mechanismofchemicalreaction in molecular and atomic level.
分子碰撞和反应动力学是在分子、原子水平上研究化学反应微观机理的一门学科。
3
Such a structural distribution characteristic, which can be taken as a kind of structural signals for recognizing the splice sites, is in accordance with the chemicalreactionmechanismof splicing.