TY JOUR TI NITRIDING IN THE ELECTROSTATIC FIELD IN RESTORATION OF WORN-OUT DETAILS IN AGRICULTURAL MACHINERY (ON THE EXAMPLE OF DISTRIBUTORS OF AXIAL AND PISTON PUMPS, HYDRO MOTORS) KW details KW chemical and thermal processing KW nitriding KW mathematical modeling KW hybrid set of regression JO Bulletin of KSAU AU Agafonov, S.V. PY 2012 IS PB Krasnoyarsk State Agrarian University