Ӽ ( ) Estimation of Naturally Occurring Radionuclides and the Annual Effective Dose by Drinking Groundwater of Jeju Island, Korea ǥ ؼ, ֵ ϼ Ե ڿ 缺 м κ, ɴ뿡 ϼ ǰ ־.
â ( ) Chelating Agent Separation Analysis Using a HILIC Column ǥ ؼ, мδ ټ ųƮ ȭи 緮 ÿ ϱ Ѱ踦, HPLC LC/MS ̿Ͽ غ ִ Ͽ.