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- Electron Cloud Instability (ECI) may take place in positron storage ring when the machine is operated with multi-bunch positron beam. 正电子储存环在多束团运行时有可能发生电子云不稳定性 (ECI) .
- Beijing intense slow positron beam has been constructed successfully,which utilizes the pulsed electron beam of the BEPC LINAC with high energy to inject into the Ta target. 慢正电子强束流采用高能脉冲电子束流轰击金属钽靶,以产生正负电子对的方式提供正电子,作为慢正电子束流方法学研究和薄膜材料缺陷研究的束流基础。
- A new generation of positron beams in the form of trap-based beam sources has been developed by positron trapping, confinement and accumulation in a Penning trap. 基于捕获的新型正电子束技术是通过潘宁阱中捕获、约束和积累正电子而发展的新一代正电子束技术。
- A New Type of Acute Nuclear ProbeSlow Positron Beam Line 一种新的灵敏核探针慢正电子束流装置
- Design of a Pulsing System for Beijing Intense Slow Positron Beam 北京慢正电子强束流束团化系统设计
- Native defects in ZnO films studied by slow positron beam 慢正电子对ZnO中本征缺陷的研究
- TRAP-BASED POSITRON BEAM TECHNIQUE AND ITS APPLICATIONS 基于捕获的新型正电子束及应用
- Performance study of the Beijing Intense Slow Positron Beam 北京慢正电子强束流性能研究
- A method for characterization of the pulsed slow positron beam 脉冲慢正电子束流的检测
- A STUDY OF MICROSTRUCTURE OF EBC COATING BY SLOW POSITRON BEAM 慢正电子束研究电子束固化涂层的微观结构
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- PRINCIPLE, FABRICATION AND APPLICATION OF THE SLOW POSITRON BEAM LINE 低能单色正电子束装置的原理、研制及应用
- The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
- His answer was right on the beam. 他的答案完全正确。
- THE GENERATION AND DEVELOPMENT OF THE MODERATORS FOR SLOW POSITRON BEAM 正电子慢化体的研究和进展
- FILMS, INTERFACES AND NEAR SURFACE STUDIES USING VARIABLE ENERGY POSITRON BEAM 慢正电子束研究薄膜、界面和近表面微观结构
- He struck the beam with his head. 他的头撞到梁上了。
- The beam has a thickness of 3 inches. 这根梁厚3英寸。
- Never heard of her. You're off the beam. 我从来没有听说过这个人,你搞错了吧。
- An electron with a negative charge, as contrasted with a positron. 电子带有负电荷,与正电荷相反的电子