查询词典 spontaneous emission

And we study other property of spontaneous emission.

并对原子的自发辐射的其它特性进行了分析。

The discussion emphasizes particularly on some important issues closely related to the slow manifold of the atmospheric motion such as properties of the balance dynamics, the spontaneous emission of inertia gravity wave from balance flow, theory and application of PV inversion and the relation to initialization issue of numerical model. Moreover, an overview of the history and the state of the art of researches in this field are given to provide domestic researchers of relevant topics a clue for the understanding of general picture of this field and entering into specific research issues.

文中侧重于讨论与大气运动的慢流形密切相关的一些重要问题，包括平衡运动或平衡流的性质以及它对惯性重力波的自发辐射、PV反演理论和应用、与数值模式初始化问题的联系等，并对上述研究领域的研究历史和现状也进行了较为全面的综述，旨在为国内气象界相关方向的研究者提供了解该领域概貌并较快切入具体研究问题的线索。

The discussion emphasizes particularly on some important issues closely related to the slow manifold of the atmospheric motion such as properties of the balance dynamics, the spontaneous emission of inertia gravity wave from balance flow, theory and application of PV inversion and the relation to initialization issue of numerical model.

文中侧重于讨论与大气运动的慢流形密切相关的一些重要问题，包括平衡运动或平衡流的性质以及它对惯性重力波的自发辐射、PV反演理论和应用、与数值模式初始化问题的联系等，并对上述研究领域的研究历史和现状也进行了较为全面的综述，旨在为国内气象界相关方向的研究者提供了解该领域概貌并较快切入具体研究问题的线索。

The analysis shews that the main reasons for the decrease of SHG efficiency forMOPA structure SHG scheme are the shift of wavelength, labefaction of polarizationand amplified spontaneous emission. Those phenomenons must be overcome,when a high efficiency is wanted.

分析指出，对于种子震荡掺镱光纤放大器结构形式的倍频方案，波长的偏移、偏振的恶化、及自发辐射放大对倍频效率有严重的恶化作用，只有有效抑止上述现象才能得到较高的倍频效率。

The calculation of spontaneous emission of the two types of model can be performed by the Laplace transform.

采用拉氏变换的方法，越过粒子数随时间的变化的求解，利用Laplace变换直接得到了两种模型在上述三种热库环境下的自发辐射谱。

Investigation of the amplified spontaneous emission in Nd:glass disk laser amplifier.

钕玻璃片状激光放大器自发辐射放大特性的研究。

The properties of left-handedness with vacuum-induced coherence arising from the cross coupling spontaneous emission pathways have also been discussed.

讨论了由交叉耦合自发辐射路径引起的真空诱导相干对左手效应的影响。

The expectation value of atom dipole moment is always zero, but the fluctuation of dipole moment is a constant and not zero during the atomic spontaneous emission.

在原子的自发辐射过程中，其偶极矩的期待值总是零，但偶极矩的涨落恒等于一个不为零的常量，因此原子的自发辐射是由真空起伏导致偶极矩的涨落引起的。

Therefore the spontaneous emission of atoms is caused by the fluctuation of dipole moment that arises from vacuum fluctation. Jaynes Cummings model is an important system to produce quatum entangled state.

Jaynes-Cummings模型是产生量子纠缠态的重要体系，研究发现，原子与场纠缠态的信息熵和纠缠度随时间作周期性的振荡，量子态在非纠缠与纠缠态之间变化。

In this paper, the control of the atomic spontaneous emission is discussed by using the relative phase difference of the polychromatic field and certain results are obtained.

本文对利用多色场的相对相位控制原子的自发辐射问题进行了讨论，并得到了一定的结论。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。