[1] Univ South China, Sch Resources Environm & Safety Engn, Hengyang, Peoples R China
[2] Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Min, Hengyang, Peoples R China
[3] China Natl Nucl Corp, Jianzhong Nucl Fuel Co Ltd, Yibin, Peoples R China