Today, 36 years ago, on December 9, 1989 (November 12, 1989), China's first "stable atomic nuclear map" was published. In early December 1989, two engineers from the province of Shaanxi painted China's first "stable atomic nuclear map", which was published by the publication of the Chinese University of Science and Technology. The stable atomic nucleus is the basic component unit of the material world deeper than the element, with a total of 287 species. It has important uses in physical research, nuclear engineering. The drawers of the "stable atomic nuclear map" Wang Yong-Heng and Yong-Heng, respectively, are engineers of the Yuan Mining Bureau and the Shaanxi power plant. The new type of "stable atomic nuclear map" is not only convenient to use, but also lists in detail the number of atomic