With the development of society and economy, X-ray Screening has been widely used in various fields, but it has also been slowly discovered by some people. Due to the occurrence of nuclear accidents and nuclear accidents in Japan in the past few years, the panic of nuclear radiation has been spreadi

With the development of social economy and science and technology, X-rays have been slowly accepted by everyone since the beginning, and finally they have been widely used up to now. This change has brought great convenience to our life and work. X-ray screening has also become a hot job at present,

With the development of social economy, X-ray screening technology has been more and more widely used, but also brought us a lot of convenience. But everything has two sides. X-ray screening is good, but not visible. X-ray also brings us large or small radiation. So, how much X-ray radiation is ther