artificial radioactivity

美 [ˌɑːrtɪˈfɪʃl ˌreɪdioʊæk'tɪvəti]英 [ˌɑːtɪˈfɪʃl ˌreɪdiəʊæk'tɪvəti]

1

Current progress in research of natural and artificial radioactivity in surface waters

地表水中天然和人工放射性的研究现状
2

Survey and Assessment on Artificial Radioactivity Level in Shanghai Atmospheric Environment

上海市大气中人工放射性水平调查及评价
3

The paper describes the unique role to settle groundwater resources problem by water isotope technique separated from environment isotope and artificial radioactivity isotope tracing groundwater movement .

本文分别从环境同位素和人工放射性同位素示踪地下水活动，阐述水同位素技术在解决地下水资源问题所起的独特的作用。