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- pulsed electron impact ion source 脉冲电子碰撞离子源
- Measurement of pulse ionization electron current for electron impact ion source 电子轰击离子源脉冲离化电子流的测量
- electron impact ion source 电子碰撞离子源
- 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。
- 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。
- On one hand, many C,N-containingneutral species such as C2N2, CH3CN, HC3N, CCN, etc. can effectively produce the C2N+ ion upon electron impact and radiation. 一方面，很多含有C,N原子的中性分子如C2N2、CH3CN、HC3N、CCN等经电子撞击电离或辐射后能很有效的电离出C2N+离子；
- 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。
- On one hand, many C,N-containing neutral species such as C2N2, CH3CN, HC3N, CCN, etc. can effectively produce the C2N+ ion upon electron impact and radiation. 一方面，很多含有C,N原子的中性分子如C2N2、CH3CN、HC3N、CCN等经电子撞击电离或辐射后能很有效的电离出C2N+离子；
- OSTRIKOV K N,DENYSENKO I B,TSAKADZE E L,et al.Characteristics of electron cyclotron resonance plasmas for large area ion source application[J].Journ Vac Sci Technol,2000,A20:2185. 丁振峰;霍伟刚;王友年.;射频电感性耦合等离子体调谐基片自偏压特性[J]
- 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;
- The electron impact mass spectral fragmentations of Hainansensine analogs werereported. 本文对17个海南新碱类似物的电子轰击质谱裂解机理进行了探讨。
- 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。
- By using a distorted-wave Born exchange approximation, the direct ionizarion cross section of boron-like ions by electron impact have been calculated. 运用扭曲波玻恩交换近似对处于Hartree-Fock基态的类硼离子的电子碰撞直接电离截面进行了计算。
- 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。
- Abstract : The electron impact mass spectra of ten new C2-symmetric chiral bis(oxazoline) and bis(thiazoline) have been studied. 摘要 ： 本文研究了十个新的C2对称的手性双恶唑啉和双噻唑啉等两个系列的电子轰击质谱。
- 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。
- Drop of differential resistance results from the effect of photocurrent multiplication,which is due to the electron impact ionization when photocurrent-generation proliferates. 关键词 光电倍增；
- The study of atomic inner-shell ionization cross-sections by low-energy electron impact is significant in both theoretical researches and practical applications. 低能电子碰撞原子内壳层电离截面测量的研究在理论和实际应用方面都具有重要意义。
