Investigation of the degree of grinding of the composite grain mixture A. T. Vasyukova, I. U. Kusova, A. I. Belenkov, R. Kh. Kandrokov and M. M. Dyshekova BIO Web Conf., 67 (2023) 02008 Published online: 18 September 2023 DOI: 10.1051/bioconf/20236702008