The results showed that in the same reaction system if the reactant particle size was same (or different) changing the reactants ratio had different effect on reaction velocity.
实验结果表明：在同一反应体系中，如果反应物的颗粒尺寸相同（或不相同）时。
It was found that both the electro-withdraw and electro-donating substituents have no effect on reaction activity and the electro-withdraw substituents can increase the reaction activity.
研究发现，无论对于吸电子取代基还是供电子的取代基对烯基亚砜的活性都没有任何影响，而邻甲基苯醌前体化合物中所带有的吸电子基团能增加其反应活性。
The friend's picture would serve as a control, to adjust for any effect that attractiveness might have on the subject's reaction to the person.
朋友的照片是用来控制并调整那种吸引力对测试者反映的效果的。
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