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- Test of the Performance of the Self-Designed Radio-frequency Ion Trap Mass Spectrometer Interfaced with a Laser Desorption Ion Source 自製激光離子源射頻離子阱質譜儀性能的測試
- 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. 摘要發射系統是液態金屬離子源的關鍵部件之一,它的性能的優劣直接影響到整個離子源的工作穩定性和可靠性。
- Samples of pretreated serum from human-body's vein were analysed by field desorption mass spectrometry (FDMS). 用FDMS方式對經預處理后的人體靜脈血樣中的血清進行測試,獲得血樣中的混合氨基酸及肽的分子量分佈。
- Using the relaxation method, a numerical calculation of three dimensional electric field in the central region was described of a three-sector cyclotron with 20? rotation of ion source surface with repect to dee gap. 本文描述了用弛豫法對離子源表面相對D極間隙旋轉20°后,三葉扇形回旋加速器中心區的三維電場的數值計算。
- The application of Freeman ion source linked to LC-2A ion implanter is described in the paper. 本文敘述了弗里曼(Freeman)離子源體聯接在LC-2A型中能離子注入機上的應用;
- KEYWORDS : GIMS, ion source, anode layer, sputtering, TiN, ion plating, medium frequency, pulsed DC. 中文關鍵詞:氣離濺射、離子源、陽極層流、濺射、氮化鈦、離子鍍膜、中頻、脈衝直流。
- TITAN ion source is a new ion source which can produce strong metal and gas ion beam. Use . TITAN離子源是一種新的能夠同時產生強金屬和氣體離子束流的離子源。
- KEYWORDS: GIMS, ion source, anode layer, sputtering, TiN, ion plating , medium frequency, pulsed DC. 中文關鍵詞:氣離濺射、離子源、陽極層流、濺射、氮化鈦、離子鍍膜、中頻、脈衝直流。
- FD-MS(field desorption mass spectrometry) [化] 場解吸質譜法
- An intense ECR ion source for ADS (accelerator driven sub-critical system) is described. 介紹了正在研製的一台強流ECR離子源。
- field desorption mass spectrometry 場解吸質譜法
- The MC-SNICS ion source of NEC compact AMS system at the AMS laboratory of Peking University was upgraded recently. 摘要為提高樣品測量效率,對MC-SNICS多靶位銫濺射負離子源進行了升級改進。
- 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,製得的氣體能夠滿足電子迴旋共振離子源提供18O重離子束的實驗要求。
- Then the corresponding sigma matrix is given to further estimate the beam emittance extracted from electron cyclotron resonance ion source. 用旋轉矩陣和聚焦矩陣重新推導了總的傳輸矩陣。
- electron-stimulated desorption ion angular distribution 電子-刺激解吸附離子角形分佈
- Abstract The MC-SNICS ion source of NEC compact AMS system at the AMS laboratory of Peking University was upgraded recently. 摘要 為提高樣品測量效率,對MC-SNICS多靶位銫濺射負離子源進行了升級改進。
- The Application of Field Desorption Mass Spectrometry 場解吸質譜的應用
- The purpose of the first part of this work has been to use an electromagnet to improve the performance of the Kaufman ion source. 電漿的電子,離子密度與溫度是了解電離層結構的幾個重要參數,而為了量測這些參數,科學家使用了數種實地量測的技術。
- 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. 由於受結構的限制,ECR離子源不能像高頻源離子源那樣通過觀察氣體放電的顏色判斷其工作狀態,所以在運行中調節狀態非常困難。
- 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. 電子轟擊存貯型脈衝離子源是為高解析度、高靈敏度飛行時間質譜儀設計的新型離子源。