During 1991-1993,the activity levels of the bone-coal mines were investigated in Zhejiang,Hubei,Hunan,Jiangxi and Anhui Province,respectively,where the reserve
Mo ions extracted from a metal vapor vacuum arc ion source (MEVVA) were implanted into 4Cr5MoV1Si(H13) steel samples with a high implantation dose of 5×101
The distribution of energy deposition density in radiate region and its surrounding areas from γ-rays was simulated and analyzed for a water-ball model with Ge