which may promote the development of the domestic market

Carbon-14 is a radioactive isotope of the element carbon that is produced in nature when cosmic rays strike nitrogen atoms in the air. The carbon-14 nucleus consists of 6 protons and 8 neutrons. Its half-life is approximately 5,730±40 years, and its decay mode is beta decay, in which carbon-14 atoms are converted into nitrogen-14 atoms.…