TY JOUR TI Metrological assurance of magnetic suspension concentration measurements during non-destructive testing of aircraft KW aviation equipment KW non-destructive testing KW magnetic particle method KW magnetic suspension KW indirect measurement method KW certification of measurement method KW aircraft KW metrological support JO The world of measurement AU Bogoyavlenskiy, A.A. AU Matyuhin, K.E. PY 2014 IS 2014 PB Advertising and Information Agency "Standards and quality»