摘要
本文综合报道了7个不同地区自来水制水过程对源水中放射性核素的净化率(%)范围;总α放射性12~51,总β放射性8~76,天然铀10~56,天然钍36~79,镭22626~63,锶9013~37,铯13712~54。
The range of radioactive nuclides purifying rate(%)during tap water processing from natural freshwater in seven different areas in China. The radionuclides purifying rates for gross α-activity,gross β-activity,natural uranium, natural thorium,radium 226,strontium 90 and Cesium 137 were in range of 12%~51%, 8%~76%, 10%~56%, 36%~79%, 26%~63%, 13%~37% and 12%~54%, respectively. The reason for the different purifying rates in those 7 areas was discussed.
出处
《职业医学》
1999年第1期16-18,共3页
China Occupational Medicine
关键词
自来水
放射性核素
净化率
tap water,radioactive nuclide, purifying rate