TY JOUR TI Evaluation of the Performance of Magnetic Indicators for Magnetic Powder Control of Railway Rolling Stock Parts KW Magnetic powder control KW detecting ability KW magnetic suspension KW working capacity KW quality of the magnetic indicator KW control sample KW tuning sample JO Proceedings of Petersburg Transport University AU Otoka, A.G. AU Holodilov, O.V. PY 2023 IS 20 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"