This conference was motivated by the worldwide increase of use of nuclear energy for electricity. Mongolia plans to use its substantial uranium resources with further intentions for installation of a nuclear power reactor. This was the first international conference in Mongolia devoted to nuclear science to help in this effort. Attendees included participants from more than dozen countries as well as scientists in Mongolia. The conference proceedings book includes technical papers in basic nuclear science (of studies for understanding atomic nucleus) and in various nuclear science applications such as nuclear power reactors.