本文研究了关于电子激发原子核的理论。
The theory of the excitation of nuclei by electrons of intermediate energy has been studied.
这意味着激发原子只能发出某种特定能量的光。
This means that the excited atoms only emit light of certain specific energies.
这种态可由压缩真空光场与激发原子间的多无子作用产生。
Such states can be produced by the multiphoton interaction between the excited atoms and the field in squeezed vacuum state.
当我们增大两个电极之间电压,我们有-我们可以把氢气2,分解成单个的氢原子，不仅这样，还能激发原子。
When we increase the potential between the 2 electrodes that we have in the tube -- we actually split the h 2 into the individual hydrogen atoms, and not only do that, but also excite the atoms.
当时他们用这种激光来激发并电离那些被火焰的高温裂解出来的原子，目的是测量不同火焰的特征辐射。
They were using the laser to excite and ionize the atoms liberated by the heat of the flame in order to measure the characteristic emissions of different flames.
要让这些激发的原子发射激光，这依赖于激光束焦点两个决定性的性质。
Getting these atoms to lase then relied on two crucial properties of the beam's focus.
人工的火球看起来炽热的是由于在蒸汽态的原子的激发而导致，而不是由于氧化。
For another,the artificial fireballs seem to be glowing because of the excitation of theatoms within the vaporised material rather than because of oxidation.
人工的火球看起来炽热的是由于在蒸汽态的原子的激发而导致，而不是由于氧化。
For another, the artificial fireballs seem to be glowing because of the excitation of theatoms within the vaporised material rather than because of oxidation.
光照射到这个感应芯片上面然后从硅原子中激发释放出电子，这样就产生了一个电信号然后通过芯片的电子器件转化成图像。
Light striking this detector liberates electrons from some of the silicon atoms, producing an electrical signal that is converted by the chip's electronics into a picture.
虽然不像氢原子从1s激发到2s或到2p那么多，但是这个能量已经非常非常大，对于室温的热能来说。
Not as much as the hydrogen atom going from 1s to 2s to 2p, but still by much more than ordinary thermal energies at room temperature.
这项技术包含拉曼散射，这种散射指反射光会因为原子或分子的激发而有一个波长上的移动。
These techniques include Raman scattering, in which light returns with a shift in wavelength as a result of atomic or molecular laser excitation.
这将使分子跃迁到另一个激发态，从中我们可以用另一种激光，把它分成两个原子。
This excites the molecule into another excited state, from which we can, with another laser light, break it down into two atoms.
在高强度下，这种聚焦会使氧原子的粒子束反转，确保了激发的原子多于未被激发的原子。
Being very high intensity, this focus induces a population inversion in the oxygen atoms, ensuring that there are more excited than non-excited atoms.
但他们发现，即使将火焰熄灭，仍可以获得一个信号——换句话说，就是激光在激发氧原子的同时也分成了两束。
But what they noticed was that even when they turned the flame off they were still getting a signal - in other words, the laser was breaking up as well as exciting the oxygen.
原子被这些碰撞而激发，它们为了返回原来的能级，通常会发出光亮。
The atoms are excited by these collisions, and they typically emit light as they return to their original energy level.
高能粒子激发100千米或更高处的氧原子，产生特有的绿色光辉。
To produce the characteristic greenish glow, the energetic particles excite oxygen atoms at altitudes of 100 kilometers or more.
这两个光子接著会激发另两个原子放出光子而产生四个光子。
These two photons in turn could stimulate two other atoms to emit photons, yielding four photons.
作为例子，详细讨论了二能级原子与真空场的相互作用以及处于激发态的原子与相干场的相互作用。
Both interactions of a two-level atom with a vacuum field and a excited atom with a coherent field, as examples, are discussed in detail.
太阳能电池工作的原理在于高能量的可见光和紫外光能把原子中的电子激发为自由电子。
Solar cells work because visible and ultraviolet light are powerful enough to knock electrons free from atoms.
因此，在这样激光功率条件下，为提高原子激发效率而增加激光谱线宽度的做法并不是必要的。
So it is not necessary to use a broad-band laser to guarantee excitation efficiency for an atom with hyperfine split levels.
分析了激光线宽对同位素原子激发电离效率和选择性因子的影响。
We have studied the influence of laser linewidth on ionized efficiency and selectivity of isotopic atoms.
亚稳态原子消激发，使蒸气宏观速度增加，温度增加，所以使速度分布函数峰值右移，半宽度增加。
As metastable atoms deexcite, the vapor velocity and temperature increase, the peak value of the velocity distribution function shifts rightward, and the half width increases.
当这些激发的原子回到基态时，会发射特征波长的能量。单色器可把这些波长引到检测器。
When these excited atoms return to the ground state, they will emit energy of a characteristic wavelength. The monochromator can direct these wavelengths to a detector.
本文从理论上分析了利用调制的单模激光场共振激发来测量原子或分子的寿命。
The lifetime of atoms and molecules can be measured by using modulated resonant single-mode laser field.
本文从理论上分析了利用调制的单模激光场共振激发来测量原子或分子的寿命。
The lifetime of atoms and molecules can be measured by using modulated resonant single-mode laser field.
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