Yes. In fact, there is not enough energy in a single photon to go ahead and eject an electron from this zinc surface.

是的，事实上，这里的光子没有足够的能量，去从锌表面逐出一个电子。

youdao

So, for example, we were talking about a threshold frequency as in a minimum frequency of light that you need in order to eject an electron from a metal surface.

举个例子来说，我们谈论的临界频率是，光从金属表面逐出一个电子，所需的最小频率。

youdao

The sun is a ferocious ball of energy that can eject massive amounts of plasma from its surface in our direction, causing our equipment to go screwy.

太阳是一个能量惊人的大火球，它的表面能够向地球释放大量等离子，从而导致我们的设备工作异常。

youdao

So we can actually pop an electron or eject an electron from any single orbital that is occupied within the atom.

任何一个被占据轨道,打出一个电子,或者说发射出一个电子。

麻省理工公开课 - 化学原理课程节选

Yes. In fact, there is not enough energy in a single photon to go ahead and eject an electron from this zinc surface.

是的，事实上，这里的光子没有足够的能量,去从锌表面逐出一个电子。

麻省理工公开课 - 化学原理课程节选

All right. So please raise your hand now if you think there'll be sufficient energy to eject electrons from the metal surface?

好的，如果你们认为,有足够的能量从金属表面,射出电子请举手？

麻省理工公开课 - 化学原理课程节选

"In a worst-case scenario, you could eject from a fighter jet, " says senior CAL flight instructor Chou Yu-sen, who once trained F-104 and T33 combat pilots.

CNN: How to Repair a Carrier

Armstrong's seemingly casual reaction to peril left his NASA colleagues in awe when, in May 1968, he picked exactly the right time to eject from a lunar landing simulator that had spun out of control.

CNN: Neil Armstrong, a hero who shunned fame

The 24-year-old completed just 200m of his heat before retiring, prompting the International Association of Athletics Federations (IAAF) to release a statement that appeared to eject him from the Games.

CNN: SHARE THIS