Radioisotopic data from USGS laboratory in St. Petersburg, Florida
收藏data.gov2026-01-17 收录
数据链接:
官方服务:
资源简介:
Specific activities of cesium-137 (half life = 30.17 years), lead-210 (half life = 22.3 years), radium-226 (half life = 1,600 years), thorium-234 (half life = 24.1...
铯-137(cesium-137)、铅-210(lead-210)、镭-226(radium-226)与钍-234(thorium-234)的比活度,其中铯-137的半衰期为30.17年,铅-210的半衰期为22.3年,镭-226的半衰期为1600年,钍-234的半衰期为24.1……



