In this papert, he activation properties of five kinds of firstwall materials have been investigated,and the ratings,of radioactivity, afterheat,BHP,WDR and RMR of each material are given.

• 本文研究了五种第一壁材料的活化特性,给出了这些材料的放射性、衰变热、BHP值以及WDR、RMR指标的计算结果;