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简要介绍了广泛应用于表面科学的灵敏核探针——慢正电子束设备的原理、构造和应用 ,阐述了北京慢正电子束流装置的设计原理和性能 ,讨论了北京慢正电子束流装置今后的研究前景 .
The principle, structure and application of the slow positive electron beam detector, a sensitive nuclear probe widely used in surface science, are briefly introduced. The design principle and performance of Beijing slow positron electron beam device are expounded. The effects of Beijing slow positron beam Equipment future research prospects.