查询词典 ionization

The results show that non-sequential double ionization rate and the double ionization events that sum of two-electron momentum equals zero increase with the molecular internuclear distance increasing when the molecular internuclear distance is within 1.0a.u.

结果表明，分子核间距在1.0a.u。-6.0a.u。范围内时，非时序双电离率和两电子动量和为零的双电离事件数随着分子核间距的增大而增大。

Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. The mail simulation results were as follow:(1)The variations of drift velocity and the average energy of electron with the E/N in O2 and N2 are obtained. The number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the E/N and the energy of electron are analyzed emphatically.

考虑了各种弹性和非弹性碰撞过程，在纯氧气、纯氮气中，给出了不同简化场E／N条件下的电子漂移速度和平均电子能量的变化；着重分析了激发、电离、分解及分解电离碰撞的粒子数随E／N、电子能量的变化，同时计算了激发发射光谱的波长。

In the process of our analysis,the non-sequential double ionization rate, two-electron ionization energy, two-electron momentum correlation and the combined potential of Coulomb field and laser field are calculated with the molecular internuclear distance changing.

我们分别计算了非时序双电离率、两电子的电离能、两电子的动量相关、库仑场和激光场的复合势随分子核间距的变化关系。

In this article,with the voltage between the probes of a spark plug,ionization currents with different knock intensities of the engine are measured successfully in the experiments on a DA462-A four-cylinder gasoline engine.According to the character of the ionization current four indexes are chosen to analysis the obtained data.It is clear that the resultants by the calculation of ionic current are different with different knock intensities of the engine.

通过在火花塞电极两端加偏置电压的方法，在DA462-A型4缸汽油机的台架试验中，成功地检测出汽油机在不同爆震强度时的离子电流信号，并根据离子电流信号的特征选用了4种爆震强度评价指标，经分析计算表明各工况爆震强度的合理递进顺序。

A new method of obtaining secondary electron yield and secondary Cs〓 ionization probability by detecting target current and primary ion current under Cs〓 bombardment is put forward The dependence of Cs〓 ionization probability on primary ion energy, primary beam current and substrate compositions, as well as the dependence of secondary ion intensity on erosion time during transient period has been studied The mechanisms of secondary ion emission are explained

二、提出了通过测量靶流和一次束流求取Cs〓轰击下二次电子产额和二次Cs〓离化率的方法，实验研究了一次离子能量、束流强度及不同基体对二次Cs〓离化率的影响和瞬态过程中二次离子强度的变化规律，并对发射机理做了解释。

The critical ionization process is a quite general mechanism for the conversion of the kinetic energy of a rapidly streaming gas into ionization and plasma thermal energy.

关键的电离过程是一个相当普遍的机制转换的动能迅速流气体电离和等离子热能。

Based on an amendment of ionization potential in hydrogen-like ions in terms of the theory of relativity and interaction of electron spin-orbit, we take into account the effect of the nuclear volume and the nuclear mass for the ionization potential.

在类氢离子电子束缚能一级相对论及电子自旋－轨道作用修正的基础上，考虑到原子核的质量效应及体积效应，计算了类氢离子的电离能，计算结果与文献提供的实验数据相符合，弥补了其他方法的不足。

UV-light ionization method and high voltage ionization method own SF_6 detecting capability, but some hazardous chemical compounds, such as H_2S and SO_2, which could do great harm to the people who are operating the equipments.

紫外光电离法和强电压电离法检测SF_6气体，在检测过程中破坏SF_6气体分子产生了硫化氢、二氧化硫等有毒物质，对检测人员的人身安全带来极大的威胁。

The influences of some relevant parameters on resonance ionization efficiency in the recent laser pulse time-delayed scheme were analyzed with the framework of time-dependent Schrdinger equation. As a versatile example, the feasibility of this scheme applied to lutetium isotopic analysis by Laser Resonance ionization Spectrometry was discussed.

针对宁西京教授提出激光脉冲延时方案，在含时薛定谔方程理论框架下探讨了各种参数对激光共振电离效率的影响；并以镥原子共振电离为例，探讨了该方案用于激光共振电离质谱同位素分析的可行性。

The relationship between spectral line intensities from different species in the plasma and neutron yield and shot number shows that: with high neutron yield, the deuterium ionization degree is high; nitrogen and oxygen atoms are also ionized to a higher ionization state; electron beams emitted at the collapse time of plasma pinch column may cause strong electrode sputtering processes.

可见光谱中氘、金属材料Cu、Fe和空气成分O、N的原子或离子谱线强度与中子产额和放电次数的关系证明：中子产额高时，氘气的电离率高，N、O等杂质气体也被电离到高电离态，焦点箍缩柱崩溃时发射的强电子束可以引起强电极溅射过程。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。