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- The application of Freeman ion source linked to LC-2A ion implanter is described in the paper. 本文叙述了弗里曼(Freeman)离子源体联接在LC-2A型中能离子注入机上的应用;
- KEYWORDS : GIMS, ion source, anode layer, sputtering, TiN, ion plating, medium frequency, pulsed DC. 中文关键词：气离溅射、离子源、阳极层流、溅射、氮化钛、离子镀膜、中频、脉冲直流。
- TITAN ion source is a new ion source which can produce strong metal and gas ion beam. Use . TITAN离子源是一种新的能够同时产生强金属和气体离子束流的离子源。
- KEYWORDS: GIMS, ion source, anode layer, sputtering, TiN, ion plating ， medium frequency, pulsed DC. 中文关键词：气离溅射、离子源、阳极层流、溅射、氮化钛、离子镀膜、中频、脉冲直流。
- An intense ECR ion source for ADS (accelerator driven sub-critical system) is described. 介绍了正在研制的一台强流ECR离子源。
- The MC-SNICS ion source of NEC compact AMS system at the AMS laboratory of Peking University was upgraded recently. 摘要为提高样品测量效率，对MC-SNICS多靶位铯溅射负离子源进行了升级改进。
- Double Mobile Alkali Ion Model for Anodic Bonding 阳极连接中碱金属双离子迁移模型
- One movable alkali ion model for anodic bonding 阳极连接过程的碱金属单离子迁移模型
- Electric field of the emission system of a liquid metal ion source was simulated, based on the conventional dynamic protrusion model and the widely used charge simulation method. 摘要发射系统是液态金属离子源的关键部件之一，它的性能的优劣直接影响到整个离子源的工作稳定性和可靠性。
- In addition, the requirement of delivering 18O2 beams from the electron cyclotron resonance ion source can be satisfied by the obtained 18O2 gas. 此外,制得的气体能够满足电子回旋共振离子源提供18O重离子束的实验要求。
- Calculations using CNDO/2 method have been performed for the reactions of some crown ethers with alkali ions in aqueous solutions. 本文应用CNDO/2方法对几种冠醚与碱金属离子在水溶液中的配位反应能进行了计算。
- Then the corresponding sigma matrix is given to further estimate the beam emittance extracted from electron cyclotron resonance ion source. 用旋转矩阵和聚焦矩阵重新推导了总的传输矩阵。
- Abstract The MC-SNICS ion source of NEC compact AMS system at the AMS laboratory of Peking University was upgraded recently. 摘要 为提高样品测量效率，对MC-SNICS多靶位铯溅射负离子源进行了升级改进。
- The purpose of the first part of this work has been to use an electromagnet to improve the performance of the Kaufman ion source. 电浆的电子，离子密度与温度是了解电离层结构的几个重要参数，而为了量测这些参数，科学家使用了数种实地量测的技术。
- Because of the structure limitation, working state of the ECR ion source could not be judged by the color of gas discharging in discharge chamber. 由于受结构的限制，ECR离子源不能像高频源离子源那样通过观察气体放电的颜色判断其工作状态，所以在运行中调节状态非常困难。
- A new electron impact storage ion source has been designed for time of flight mass spectrometers with a high mass resolving power and high sensitivity. 电子轰击存贮型脉冲离子源是为高分辨率、高灵敏度飞行时间质谱仪设计的新型离子源。
- The alkali-aggregate reaction (AAR) is that alkali ions from cement orenvironment react with reactive constituents of aggregates to form expansivematerials that produce expansive stress resulting in expansion or cracking of concretestructures. 碱-集料反应(Alkali-Aggregate Reaction, AAR)是指混凝土中的碱与集料中的碱活性成分发生化学反应,生成膨胀物质使混凝土内部产生自膨胀应力,造成混凝土开裂破坏,从而大大缩短混凝土建筑物的使用寿命,预防和抑制碱-集料反应是国内外混凝土界研究的重要领域之一。
- The CNDO total energies of these complexes show that the crowns could coordinate with the hydrated alkali ions to form stable hydrated complexes in aqueous solution. 2figs., 5tabs,.9refs. 配合物的总能量计算还表明.;在溶液中;碱金属水合离子与冠醚配位将形成稳定的水合物
- Some key problems such as pre-bunching between the ion source and the RFQ, H-minus Lorentz stripping in the medium energy cyclotron, flat-top acceleration etc. have been studied. 对其中的一些关键性问题如从离子源到RFQ的预聚束问题等进行了较为深入的研究。
- The more alkalis the solution contain and the more reactive of alkali ions are, the more the mortar bars expand. 养护碱溶液质量分数愈高、碱离子活度愈高,试样膨胀愈大;
