查询词典 the atom

The boundary radius of an atom is defined by the classical turning point equation (r=-I, where I denotes the first ionization potential of the atom.

利用MELD从头计算程序与自编程序相结合，分别在HF和CISD水平下计算了第一至第五周期元素的原子及其常见离子的边界半径。

The numerical simulation demonstrates that when the intensity of the driving laser is over-saturated,the atom will be ionized rapidly during a few optical cycles,this will lead to a continuous multi-plateau structure in the cutoff region of the high harmonics spectrum from the neutral atom.

通过计算机数值模拟，发现当激光场的强度超过饱和光强时，原子将会在几个光周期内被迅速电离，使得原子的高次谐波谱在截止区呈现出平滑的多平台结构。同时，在高频波段离子产生的高次谐波的影响将变得十分显著。

The numerical simulation demonstrates that when the intensity of the driving laser is over-saturated, the atom will be ionized rapidly during a few optical cycles, this will lead to a continuous multi-plateau structure in the cutoff region of the high harmonics spectrum from the neutral atom.

通过计算机数值模拟，发现当激光场的强度超过饱和光强时，原子将会在几个光周期内被迅速电离，使得原子的高次谐波谱在截止区呈现出平滑的多平台结构。

Our proposal is based on atom-cavity field resonant interaction, the atom interacts resonantly with the mode of the cavity according to the Jaynes-Cummings Hamiltonian.

本文提出一个基于原子和腔场共振相互作用传送未知原子直积态的腔QED方案，原子和腔场通过J-C哈密顿量发生共振相互作用。

The atom interacts resonantly with the mode of the cavity according to the Jaynes-Cummings Hamiltonian, and when interaction between the atom and one of-the two modes takes place, the other mode remains unaffected.

原子和腔场通过J-C哈密顿量发生共振相互作用，当原子和其中一个模相互作用时，另外一个模不受影响。

Then, based on the semiclassical model and numerical calculation of the Adams-Bashforth-Moulton algorithm, both Cr atom motion trajectories are simulated and the atom-optical properties are analyzed at the same experimental conditions.

根据半经典理论模型，采用Adams-Bashforth-Moulton算法进行数值求解，模拟了同等实验参数条件下的Cr原子运动轨迹，并对其原子光学特性进行分析。

The modem spectral estimate and higher order spectral analysis are utilized to estimate the spectrum of the atom clock data respectively, and the noise characteristic is analysed by fitting to the spectrum of the atom clock.

利用现代谱估计法和高阶谱法分别估计原子钟数据的功率谱，并对功率谱进行拟合，可分析原子钟的噪声特性。

Be able to ionization happened in molecule or atom in atmosphere under machinery , brightness , static electricity , chemistry or biological energy source effect, whose outer layer electron abjunction atomic nucleus, these lose the electronic molecule or the atom is called the positive ion or the positive ion with positive charge , us.

大气中的分子或原子在机械、光、静电、化学或生物能作用下能够发生电离，其外层电子脱离原子核，这些失去电子的分子或原子带有正电荷，我们称为正离子或阳离子。

Planck's Theory of Blackbody Radiation, The Photoelectric Effect, The Compton Effect, Matter Waves, Different Models of the Atom, Schrodinger's Theory of Quantum Mechanics, Time Independent Schrodinger Equations for Simple Examples, Time Independent Schrodinger Equations for Hydrogen Atom, The Stern-Gerlach Experiment, The Spin-Orbit Interaction, The Zeeman Effect, Multielectron Atoms, Molecules.

量子物理( S0312)(3，3)普朗克的黑体辐射理论，光电效应，康普吞效应，物质波，原子的各种模型，薛丁格的量子力学理论，薛丁格方程式-简单例题，薛丁格方程式-氢原子，斯特恩和格拉赫实验，自旋和轨道交互作用，塞曼效应，多电子的原子，分子。

In chapter 7 the photoassociation process inside an optical lattice is investigated. A scheme of controling the atom-molecule transformation process by sweeping the Raman laser frequency is proposed. With this scheme, the atom-molecule superposition state and coherent molecular output can be obtained.

在第七章，我们会考察光学晶格上的光子离解过程，并提出利用激光扫频的方法对光学晶格上的原子一分子相互转换过程进行控制，以得到稳定的原子一分子叠加态并实现分子相干输出的方案。

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。