Simulation analysis of the protective performance of barium sulfate mortar against positron nuclide γ-rays
Zhiqiang XU, Huaixin NI, Jiwu GENG, Lichun LI, Zaoqin ZHANG, Shibiao SU, Meixia WANG, Ming LIU
Chinese Journal of Radiological Health . 2025, (2): 209 -213 .  DOI: 10.13491/j.issn.1004-714X.2025.02.011