结果表明，活化势垒太高，反应很难进行，所以单个钯原子不具有催化活性。
The results indicate that a single atom of Pd is unavailable for catalysis owing to its too high activation energy.
提出了一种理论模型以计算原子化的动力学级数和活化能。
A theoretical model has been proposed to calculate the kinetic order and the activation energy for atomization.
卤原子作为炔烃三键活化基团和定位基，炔烃三键发生亲电加成反应；
This type of reaction has signicant advantages, the alkyne proceeds the coupling reaction with the halogen atom as the leaving group.
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