CT room radiation protection experts, radiation protection barium sand protective coating on all sides of the wall and the corresponding tile on the floor below barium sand paint protection ray Radiation Protection Division, barium sand paint protection lead equivalent thickness to meet the protection requirements. Wall and ceiling decoration grassroots use radiation plate, aluminum plate attached to the surface; all materials meet fire code requirements. CT room lead equivalent is generally 3 to 4 lead equivalent. 2.4.3 2.4.3.1 limits within secondary secondary exposure limits with annual limit of intake (ALI), said. ALI within occupational exposure values ??are listed in Appendix E. 2.4.3.2 In the case of radiation workers inhaled short-lived 222Rn and 220Rn daughters, the secondary internal exposure limits indicated by inhalation A potential. A potential 222Rn and 220Rn in life is: 222Rn: 0.02J 220Rn: 0.06JX ray room radiation protection, radiation protection, Hebei Medical Ericsson Ericsson provided by Hebei Engineering Limited. Ericsson Hebei Medical Engineering Co., Ltd. (www.hslixin.com) strong, credible, Hebei Hengshui medical device manufacturing equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Hebei Ericsson and you hand into the brilliant, for a better future!