System of ergonomic requirements and ergonomic assurance standards. Air traffic control service operator`s workplace. Ergonomic requirements correspondence evaluation methods
State system for ensuring the uniformity of measurements. Standard reference data. Silicide of vanadium. The lattice parameters in the concentration range from 20 at.% to 25 at.% of silicon. Coefficient of linear thermal expansion in the range from 20 K up to 300 K
