查询词典 ionization

The invention relates to an air ion static determination and an air ion static determinator, comprising air ionization collector, electric charge weigh, control circuit, computer and software system supporting measurement and data recording processing, wherein the electric charge weigh is used to isolate the air ionization collector and the computer acquisition circuit, the computer can monitor the electric quantity on the collector plate electrode.

本发明涉及一种空气离子静态测定法及空气离子静态测定仪，计算机控制的可以在线连续监测空气离子浓度的电路设计和测量方法。测试系统由空气离子采集器、电荷秤、控制电路、计算机及其支持测量和数据记录处理的软件系统构成。电荷秤通过电―光转换、光―电转换起到了把空气离子采集器与计算机采集电路隔离的作用，使采集器上的电荷不会通过采集电路放电，计算机可以监测采集器极板上的带电量。

An experiment on near threshold double ionization of helium impacted with 106 eV electron has been performed by using the newest developed reaction microscope. In this experiment the momenta of all products after double ionization of helium were measured and the five fold differential cross section was obtained for emitted electrons.

利用最新发展起来的适用于低能电子入射的反应显微成像谱仪，对电子轰击He原子近阈值的双电离过程进行了研究，实验测量了反应后4个粒子的全部动量，获得了五重微分截面及出射粒子间的关联信息。

Non-sequential double ionization rate and the double ionization events that sum of two-electron momentum equals zero decrease.

时，非时序双电离率和两电子动量和为零的双电离事件数却减小。

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。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。