当一个电子跃迁到传导带，它会在价带留下一个“凹陷”。
When an electron leaps into the conduction band, it leaves behind a hole in the valence band.
分析了各个吸收光谱的峰值所对应的可能的电子跃迁。
The peaks of the absorption spectra corresponding to electronic transition have been studied.
在此基础上通过轨道分析，探索了分子内部电子跃迁的机理。
On this basis, the mechanics of electronic transition in these molecules has been discussed through molecular orbital analysis.
通过确定电子跃迁的地点，科学家可以确定氦电离时期的起点。
By determining when this transition took place, scientists can pin down the start date of the helium-ionization era.
用密度泛函方法计算了复合物的基态结构、振动频率和电子跃迁能。
Density functional theory calculations were carried out to examine the structure and normal mode frequencies of the ground state of the complex and its electronic transition energies.
当这些能级中，发生电子跃迁时，这些电子便吸收并释放出不同特定频率的光。
When electrons jump between these energy levels, they absorb and emit light of particular frequencies.
实验数据还表明：不同的分子缔合结构并不改变乙酸分子中的电子跃迁能级间隔。
The experimental data also shows that the energy gap for electron transition of acetic acid molecules does not change in various molecular associations.
由此证明，光释光发光曲线与热释光发光曲线都是不同能级陷阱中的电子跃迁表现。
The results showed that from the same sample, a number of photon response levels could be stimulated at different laser energies…
比如说，秒就是根据铯原子内部的电子跃迁时间来下的定义，而米的定义则和光速有关。
A second of time, for instance, is now defined in terms of an electron transition of the cesium atom. And the meter is tied to the speed of light.
综述了稀土配合物电子跃迁光谱特征和研究进展，并指出了它的研究价值和应用前景。
In this paper, the electron transition spectra characteristic of rare earth complexes was expatiated, and actuality of research was summarized.
这些优良特性主要来源于复合物中银纳米粒子的表面等离激元共振及其内部的电子跃迁。
These fine properties are mainly due to the surface plasmon resonance and inner electron transition of silver nanoparticles.
但它在那些情况下并不成为问题，因为一个电子永远不可能跃迁到任何一个负能态之中。
But it didn't matter under those conditions because an electron could then never jump into one of the states of negative energy.
氢原子被高能的恒星光离子化之后，在它的单个电子重新被捕获并跃迁到低能级上时会放出典型的红色h - alpha光。
Ionized by energetic starlight, a hydrogen atom emits the characteristic red H-alpha light as its single electron is recaptured and transitions to lower energy states.
为了确定在任一给出的位置的alpha常数的强度，科学家们测量了不同原子的电子从一个能级跃迁到另一能级的频率。
To determine how strong the alpha constant was in any given spot, the scientists measured the frequency at which electrons in various atoms would hop from one energy level to the next.
这使得轨道系统不稳定，外一层轨道的电子会迅速跃迁到内层空轨道上，填补空穴。
This makes the system of orbitals unstable and an electron from an orbital further out rapidly fills the hole.
化合物吸收可见光还可以发生电子从一个原子到另一个原子的跃迁而产生荷移吸收带发生电荷跃迁。
Visible light absorbing compounds can also occur from one electronic atom to another atom arising from the transition charge transfer absorption bands in charge transitions.
影响蒽醌类化合物对大型溞光敏化毒性的主要因素是分子的极性、电子的跃迁能力和原子最负净电荷。
The main factors governing photoinduced toxicity of the anthraquinone are molecular polarity, the ability of electron transition and the largest negative net atomic charges.
压力实验结果还表明大量子点的第一激发态发光峰来源于电子的第一激发态到空穴的第一激发态的跃迁。
The pressure experiments suggest that the excited state emissions originate from the optical transitions between the first excited electron states and the first excited hole states.
并且拉曼散射光谱向低波数方向移动，有助于增加光致电子的跃迁几率，提高多相光催化过程的本征量子效率。
The Raman scattering shifted to low wave number direction helped to increase the transition probability of photon-generated electrons and improved photoefficiency.
铯133原子发射一个细的微波谱线当它的第55个电子从受激态轨道跳回基态时(跃迁)。
Cesium-133 atoms emit a thin microwave spectral line when its 55th electron jumps back from an excited state orbital to its ground state (transition).
本文建立一个简单的统计模型以说明电子-晶格强耦合体系的跃迁特征。
A simple statistical model is presented to illustrate the transition mechanism of the electron-crystal strong coupling system.
黄金及其合金是历史悠久的饰品材料，金合金的颜色本质是电子的能带跃迁，因此可以通过合金化与能带结构变化的关系来了解颜色变化的机制。
Gold and it's alloy have a long history of being used as a kind of jewelry materials. The inbeing of the color is the electron transition in energy band.
我可以看到很多电子云突然间在自己原本的轨道上消失，然后跃迁到更高能级的轨道上。
I can see many electron cloud suddenly vanish on the originally track, then jump to the higher energy level track.
在PM3/CIS水平上计算了它们的电子光谱，得到了由基态到各激发态的垂直跃迁能和相应的振子强度。
At PM3/CIS level, the vertical excitation spectra were calculated and the vertical excitation energies and corresponding oscillator strength from the ground states to the excited states are obtained.
跃迁矩阵元被表示为两项，当入射电子和散射电子近似为平面波时，跃迁矩阵元的第一项是一个发散的复数；
The first term of this transition matrix element is a divergent pluralism when the incident and scattered waves are chosen as plane wave.
宽带可调谐准分子激光源，是电子束泵浦的双原子和三原子稀有气体卤化物通过束缚-自由跃迁产生的。
The development of a broadly tunable excimer laser source by exploiting bound-free transitions of electron beam-pumped diatomic and triatomic are gas halides is described.
因此，发生第一激发态跃迁时，将发生分子间电子转移，从而引起荧光猝灭效应。
It suggests that intermolecular electron transfer occurs during the transition of the first excited state, which results in the fluorescence quenching effect.
以往的激光器是由束缚电子的能级跃迁而产生相干辐射的。
The generation of the coherent radiation in a conventional laser results from the transitions between the quantum states of the electrons, which are attached to the atoms.
铁、铬等致色离子存在不成对电子，单个电子吸收可见光，发生跃迁，使含有铁、铬离子的矿物产生颜色。
Iron ion and chromium ion with single electron can absorb the visible light and come into being color.
铁、铬等致色离子存在不成对电子，单个电子吸收可见光，发生跃迁，使含有铁、铬离子的矿物产生颜色。
Iron ion and chromium ion with single electron can absorb the visible light and come into being color.
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