随着石油化工工业的迅速发展,锅炉、压力容器在化工行业的应用越来越普遍。为确保其安全运行,射线检测技术(无损检测技术的主要方法之一)在化工行业的应用日趋广泛。由于χ、γ射线的生物效应会损害人体的正常组织,如果不注意防护,使人体的受照剂量达到一定限度时,就可能导致放 With the rapid development of the petrochemical industry, the application of boilers and pressure vessels in the chemical industry is becoming more and more common. To ensure its safe operation, ray detection technology (one of the main methods of NDT technology) is widely used in the chemical industry. Due to χ, γ-ray biological effects can damage the body’s normal tissue, if you do not pay attention to protection, so that the human exposure dose reached a certain limit, it may lead to