| 1. | The results indicate that the radiative and nonradiative rates both increase with decreasing particle size
结果表明随着颗粒尺寸的减小，辐射跃迁速率与无辐射跃迁速率都有所增加。 |
| 2. | The dependence of the electron in 4i _ ( 13 / 2 ) level on the measured temperature and the radiative transition property of different stark sub - level were discussed
讨论了~ 4i _ ( 13 2 )能级电子布局随测量温度的变化以及不同stark劈裂态电子向下辐射跃迁的特性。 |
| 3. | Collisional quantum interference takes place in radiationless transitions and is inherently the interference between de broglie waves . sha , zhang and co - workers [ j . chem
碰撞过程中量子干涉效应是分子碰撞导致的无辐射跃迁过程中的干涉，本质上是属于德布罗意波之间的干涉。 |
| 4. | The mechanism behind the visible green luminescence is attributed to the transition between o vacancies and zn vacancies . colloidal chemistry techniques are used to synthesize zno particles in colloidal suspensions
绿带发射机制被认为是起施主作用的氧空位和起受主作用的锌空位复合辐射跃迁。 |
| 5. | The spectra parameters of these crystals can be calculated by the f - l formula , which show that the crystals are applicable for the tunable laser and femtosecond laser because of their large emission broadband ( fwhm 50nm )
用f ? l公式计算了晶体yb3 +的2f7 / 2 2f5 / 2能级跃迁的发射截面、辐射跃迁几率、辐射寿命等光谱参数。 |
| 6. | The intensity of distinguishable pl peaks increased with the increasing n content in the films , and the central positions of the above two pl bands were influenced by both the content of o and n . it is suggested that these pl were originated from luminescence centers related to si - o and 0 - si - n defects
分立峰强度随薄膜中的氮含量增加而升高，荧光带中心位置受到氧、氮含量的影响，分析表明其荧光起源于si - o和n - si - o等复合缺陷组态能级间的辐射跃迁。 |
| 7. | The activation effect of zn2 + modification , including enhancement of emission intensity , slowing of luminescence decay and increasing of quantum yields , results from the formation of zns shell outside the nanoparticles , which is passivating the surface of nanoparticles , eliminating the surface quenching centers , so as to block the nonradiative transition pathways through these kind of quenching centers
Zn ~ ( 2 + )表面修饰在纳米颗粒表面形成了zns壳层，钝化了纳米颗粒的表面，消除了表面猝灭中心，阻塞了通过表面猝灭中心进行无辐射跃迁的通道，从而使得发光强度增加，衰减变慢，量子效率提高。 |
| 8. | When matter is impacted by shock compression with hundreds pa , its temperature may be thousands karat , even it may be ten thousand karat , and there is strong spectrum to radiate at the same time . this radiation is mainly made from the thermal radiation of matter , and radiating transition of atoms and molecules of matter
在数百吉帕的瞬态强冲击波作用下，材料的冲击温度可上升至几千开，甚至上万开，同时伴随着强烈的辐射，这种辐射主要来源于材料的热辐射，以及材料的构成原子、分子的辐射跃迁。 |
| 9. | Adopting the amendatory rate equation , the threshold of the micro - cavity has been studied and the conclusion is shown as following : if there is not non - radiation transition , the pump velocity just need to compensate the photon velocity escaped from the cavity , and the intensity of output light will direct ratio to the intensity of input light then we got a micro - cavity laser with no threshold
采用修正的速率方程对微腔激光器的阈值进行研究，得到如下结论：在没有无辐射跃迁时，激光器的泵浦速率只需恰好补偿光子向腔外的逃逸速率，输出光强随着输入泵浦光强性线增加，实现所谓的“无阈值”激光器。 |
