“稀土铁共生矿矿工吸入钍尘对矿工健康影响与防治措施系列研究”项目研制出我国高灵敏度负高压静电呼出钍射气测定装置,在多年来对矿工进行了肺内钍沉积量测定的基础上,首次提示了接尘矿工肺内钍的水平,通过呼出气中钍射气活度的测定与动物试验以及钍尘对大鼠的诱癌试验等,取得了多项创新性的研究成果。该项目首先用人群资料证明吸入含钍稀土矿尘可导致肺癌和长期吸入二 “Rare earth iron ore miners inhalation of thorium dust on the health effects of miners and prevention and control measures series ” project developed our high sensitivity negative high pressure electrostatic exhaled thoron gas determination device, for many years on the miners lung thorium deposition was measured , The level of Thorium in the lungs of dust miner was first suggested. And a number of innovative studies have been made on the determination of thoron radioactivity in exhaled gas, animal experiments and the carcinogenicity test of thorium dust on rats Results. The project first with population data show that inhalation of thorium mine dust can lead to lung cancer and long-term inhalation of two