1. State Key Laboratory of Environment-Friendly Energy Materials, Southwest University of Science and Technology, Mianyang 621010, P. R. China
2. National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Southwest University of Science and Technology, Mianyang 621010, P. R. China
3. Tianfu Institute of Research and Innovation, Southwest University of Science and Technology, Chengdu 610299, P. R. China
4. Nuclear Medicine Laboratory of Mianyang Central Hospital, Mianyang 621010, P. R. China