Composition of the isotopes on atmospheric aerosol of Tajikistan Sabur Abdullaev, Vladimir Maslov, Bahron Nazarov, Hikoyat Kodirova, Rafika Karieva, Аbdugani Djuraev and Тavallo Davlatshoev E3S Web Conf., 99 (2019) 03010 Published online: 18 June 2019 DOI: 10.1051/e3sconf/20199903010