The results show that:Hydrogen abstraction occurs only via a direct mechanism without the presence of additionelimination mechanism, proposing by some experiments.
研究结果表明，夺氢反应只能是直接夺氢，而不是一些实验所设想的还有加成消除机理。
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In addition, this paper optimizes the image analysis approach, and presents a drawing-title-analysis-based method for judgment and elimination of incorrect connections to improve the correctness.
Sleep has always been an interest topic. In addition to elimination of physical and mental fatigue, sleep also may work in another way and impact cognitive activities.