搜索结果: 1-1 共查到“工学 Natural Sources of Radiation”相关记录1条 . 查询时间(0.14 秒)
Assessment of Human Exposures to Natural Sources of Radiation in Soil of Riyadh, Saudi Arabia
Assessment of Human Exposures Natural Sources of Radiation Soil of Riyadh, Saudi Arabia
2009/9/30
Natural radioactivity is a source of continuous exposure to human beings. It originates from both extraterrestrial sources and radioactive elements in the earth’s crust. The amount of radioactivity in...