In this paper, the measurements of atom energy level lifetime with the laser two photon induced fluorescence have been stated.

本文论述了激光双光子感应荧光法对原子能级寿命的测量。

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When crack starts to grow, the normal stress and average atom energy at the crack tip in atomistic simulation agree well with the results of continuum analysis.

分子动力学模拟和宏微观分析均得到裂纹起始扩展的临界时刻、裂尖应力场和原子平均能量。

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So if I tell you that the energy for single hydrogen atom is negative 13 12 kilojoules per mole.

如果我告诉大家单个氢原子的能量,是负的，1312，千焦每摩尔。

麻省理工公开课 - 化学原理课程节选

And that means radiation of energy, and that energy has to come from inside the atom itself.

意味着有能量的辐射，这些能量来自于原子本身。

麻省理工公开课 - 固态化学导论课程节选

So, what we get for the disassociation energy for a hydrogen atom is 424 kilojoules per mole.

因此，我们就得到了氢原子,离解能的大小为，424，千焦每摩尔。

麻省理工公开课 - 化学原理课程节选

Pushing this electron out to its lonely periphery - and make a Rydberg atom - requires energy.

BBC: World first for strange molecule

"If a dark matter particle comes in and hits the argon, the recoiling atom gets a kick of energy and it quickly tries to get rid of it, " says Dr Ghag.

BBC: Dark Matter: Experiment to shed light on dark particles

This is the nation that harnessed electricity and the energy contained in the atom, that developed the steamboat and the modern solar cell.

WHITEHOUSE: President Obama Pushes Clean Energy