• This paper introduces the principles of field ion emission at first, and then explains the construction and work principles of FID.

    本文介绍离子发射原理然后介绍FID结构工作原理。

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  • The field ion image of tungsten with resolution of atomic level has been obtained and the surface structure of tungsten has been analysed.

    取得具有原子级分辨离子场离子像反映晶体表面结构进行分析。

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  • Seen here on June 13th from southern New Mexico, this Comet McNaught's long ion tail sweeps across the telescopic field of view (a negative image is inset).

    这是613日新墨西哥南部所见麦克·诺特离子望远镜视野,插图负片。

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  • The field then fell silent for more than ten years, until the Japanese company Sony optimized the idea for the first commercial lithium-ion battery in the early 1990s.

    这个领域之后多年沉默下来,直到上世纪九十年代早期为了商业化锂离子电池日本索尼公司优化了这种想法

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  • The results show that the density distribution of ion and electron is similar to electric field distribution.

    结果表明,在电离初始阶段,电子离子密度分布分布同步。

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  • The RF method shortens the ion extraction time, and increases the ion extraction efficiency. It can also control the plasma density by changing the magnetic field.

    共振缩短了离子引出时间提高离子引出效率并且可以通过对外加磁场的调节来控制等离子体密度

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  • Analyzing the simulation results, a visual insight into magnetic field of the ion source is gained, thus providing a theoretical guidance for improving the design of end-Hall ion source.

    通过模拟结果分析,获得了对离子磁场分布的直观深入的认识,具体的端部霍尔离子源的改进设计提供了理论指导

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  • Low voltage high current reactive ion plating is a new progress in the field of optical thin films deposition techniques.

    光学薄膜低压电流反应离子技术近年来光学薄膜技术领域中的最新进展。

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  • This paper is to study progress on molecule recognition of ion, macromolecule, chiral molecule and applications in some field by the use of supramolecular porphyrins.

    综述了分子卟啉化合物离子大分子手性分子识别研究进展及其一些领域应用

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  • Experimental results were analyzed by means of built-in field enhanced ion emission model and ion neutralized models, which coincides well with the experiment results.

    利用增强离子发射模型可动离子中性模型对实验结果进行了分析与计算,理论与实验吻合较好。

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  • A transverse field gas ionization chamber for particle identification at the Radioactive ion Beam Line in Lanzhou (RIBLL) is described.

    描述一种将用于兰州放射性束流线重离子鉴别的多阳极横向电离

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  • Experimental results had been explained by means of built-in field enhance ion emission and ion neutralized models.

    利用增强离子发射模型可动离子中性化模型对实验结果进行讨论。

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  • Research into damage of DNA components is an important field in mechanism study to the low energy ion beam irradiation.

    DNA组分损伤研究低能离子辐照机理研究一个重要领域

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  • The acquisition of field emission negative ion and its time-of-flight Spectra (TOPS) brings up to negative ion atom probe invention.

    发射负离子及其飞行时间获得导致场致发射负离子原子探针发明

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  • In this paper, the applications of fast ion conductors in power source field are reviewed.

    综述了离子导体材料能源领域中的应用

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  • Because of being have many advantages for intense pulsed ion beam, it has been pay more attention in the field of materials.

    流脉冲离子束其自身诸多优越性,在材料领域越来越受到重视。

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  • Some quantitative relations are given, and experimental evidence is provided for the use of the magnetic quadrupole field in high frequency ion source.

    给出某些定量关系,为四极用于高频离子提供了实验依据

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  • When the external RF frequency is much bigger than ion plasma frequency, ions answer average field.

    外加射频频率远大离子等离子体频率,离子响应平均,离子的密度分布几乎不随时间变化;

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  • The dielectric barrier surface discharge process is simulated using Poisson's equation and drift-diffusion equation and the distribution history of electron, ion and electric field is gained.

    采用方程漂移-扩散方程介质阻隔放电进行数值模拟,得到了电子离子以及电场分布随时间变化。

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  • However, the discovery of bioeffects induced by ion beam implantation has opened a new branch in the field of ion beam applications in the life science-low-energy Heavy ion Biology.

    离子注入生物效应发现开拓低能离子束技术生物学中应用的新领域,形成了一个新的交叉学科——低能重离子生物学。

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  • Adopting paraboloid model of tip surface, presented the dynamics equation of negative ion flight in tip field and solve it with numerical method.

    采用针尖抛物面模型给出表面生成的负离子针尖飞行动力学方程,并用数值方法求解

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  • The effects of different nitrogen fertilizers on salt content and ion composition in greenhouse and open field soil were studied through laboratory incubation experiment.

    通过室内模拟培养实验研究了尿素、碳酸氢铵硝酸钙对设施土壤盐分含量离子组成影响

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  • The conclusion has important guiding meaning for increasing fluid delivery in stable Product-ion field tests at the late period of high water cut stage.

    这一结论油田含水后期提高稳产试验有着重要指导意义

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  • The examination of major ion geochemistry is based on the field sampling of the dissolved loads from the Changjiang River on eastern QinghaiXizang Plateau in the years of 2000 and 2002.

    作者于20002002年青藏高原东部长江河流溶质载荷进行了较为系统野外取样工作,并对主要离子地球化学特征进行分析研究。

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  • Water, which contains the ion, is electric when an external electric field is acted on it.

    包含离子水溶液在外电场作用导电的。

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  • The electron and ion density distribution and the electrostatic potential change a little in an oblique magnetic field.

    倾斜磁场中,电子离子密度分布以及静电变化非常小。

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  • The high energy heavy-ion collisions open a new field in nuclear physics.

    高能重离子碰撞开辟了研究多粒子体系的领域

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  • We observe that the reentrant transition may occur in the present system if single - ion anisotropy parameter is not large and if transverse field is small.

    如果离子各向异性参数不大场值较小,我们观察目前系统相变可能发生

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  • The minimum magnetic field intensity needed to induce significant effect on cathodic limiting diffusion current density decreased with increasing ferric ion concentration.

    引起极限扩散电流密度明显增加临界磁场强度三价铁离子浓度增加而减小

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  • In this paper, ion-exchange membrane used for EDI is studied, and flow field distribution modeling of dilute chamber with computational fluid dynamics (CFD) software is studied for the first time.

    本文主要EDI设备中的离子交换进行研究首次采用计算流体力学(CFD)软件淡水隔板分布进行模拟

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