State system for ensuring the uniformity of measurements. State verification schedule for measuring means of spectral, integral and reduced regular transmissivities within the wavelength ranges of 0.2-50.0 um, diffused and mirror reflections within the wavelength ranges of 0.1-20.0 um
Conformity assessment system for the use of nuclear energy. Conformity assessment in the form of testing. Qualification testing of welding (cladding) technologies