United power system and isolated power systems. Relay protection and automation. Distance and overcurrent protection of power lines and utilities 110–220 kV. Functional requirements
State system for ensuring the uniformity of measurements. Standard reference data. The density and thermal expansion of liquid lithium-lead alloys in the temperature range from the liquidus line to 1050 K and in the concentration range from 10 at. % to 84.3 at. % Pb
