Non-destructive testing. Evaluation of material physical and mechanical properties for technical system elements by acoustic method. General requirements
State system for ensuring the uniformity of measurements. State verification schedule for variable pressure measuring instruments in the range from 1·10 2 to 2,5·10 7 Pa for frequencies from 5·10 -1 to 1·10 4 Hz and durations from 1·10 -5 to 10 s under constant pressure up 5·10 6 Pa
Conformity assessment system for the use of nuclear energy. Conformity assessment in the form of examination. Quality assessment for metallographic examination of welded joints and cladded surfaces
