Abstract Both radon and thoron exposure monitoring method at the same time, and thoron exposure only monitoring method with absorber discriminating radon are developed.

• 摘要 研究了平行测量氡、气土 暴露量和加吸收体甄别掉氡的直接测量气土 暴露量的两种方法 ,并建立了简易刻度系统。