Research of uranium content in the composition of phosphorites of the Aznek mines Navruzbek Khurramov, Tulkin Nurmurodov, Gulrukh Rakhimova, Ziyoda Nuriddinova and Ulugbek Sharafutdinov E3S Web Conf., 627 (2025) 03003 Published online: 16 May 2025 DOI: 10.1051/e3sconf/202562703003