TY JOUR TI INDICATORS OF DIAGNOSTICS OF TECHNICAL PARAMETERS OF UNITS AND AGGREGATES OF MACHINE KW technical condition KW failure KW defect KW error probability KW testability KW operability of the object JO NATURAL AND MAN-MADE RISKS (PHYSICO-MATHEMATICAL AND APPLIED ASPECTS) AU Ivanov, K.S. AU Shiroukhov, A.V. AU Moroz, N.A. PY 2015 IS 2015 PB Saint-Petersburg University of State Fire Service of Emercom of Russia