China Guangdong Nuclear Power Hoiding Corporation; Dayabay Nuclear Power Operations and Management Co., Ltd.; China Institute For Radiation Protection; DU, Jianxing; ZHANG, Dayong; BIAN, Shouli; LIU, Daohe; WU, Yukun; LI, Xianfeng; YANG, Lietang; KONG, Haixia; QIU, Dangui; SHI, Yingxia; GUO, Liangtian; WU, Zhenlong; HAN, Lihong Patent: EP2581359 A1, 2013 ; Location in patent: Paragraph 0052 ;