【摘要】 本文报道了1987年四川省江河、湖泊、水库、泉、井和自来水中 U、Th、²²⁶Ra、⁴⁰K 浓度的调查结果。全省共布设取样点391个,采集水样602个。调查结果表明,四川省各类水体中天然放射性核素浓度属正常本底水平。更多还原

【Abstract】 This paper reports the investigation results of natural radioactivity level in river,lake,reservoir,spring,well and tap water in Sichuan Province.There were totally 602 samples collectedfrom 391 measuring points.The results show that the radioactivity level of varied water bodies of theprovince was within normal natural baekground.更多还原