Optimization of the parameters on the combined cotton cleaning machine and analysis of cleaning efficiencySardor Sayitkulov, Nigora Nurmatova, Jamshid Sharipov, Abubakr Salomov and Gulchiroy SaidovaE3S Web of Conf., 508 (2024) 08020DOI: https://doi.org/10.1051/e3sconf/202450808020