State system for ensuring the uniformity of measurements. National standard. Standard reference data. Optically transparent materials based on CaLa2S4 – La2S3. Thermal conductivity in the temperature range from 80 K to 400 K
State system for ensuring the uniformity of measurements. State verification schedule for measurement means of tristimulus values, chromaticity coordinates, index whiteness and gloss
Electromagnetic compatibility of technical equipment. Man-made radio disturbance from vehicles, motor boats and internal combustion engine devices. Limits and test methods
