United power system and isolated power systems. Relay protection. Inductive measuring current transformers for protection with a closed magnetic circuit. Methodology guidelines for determination of time to saturation during short circuits
Sulfide copper-nickel ore. Mass-spectrometry method for determination of platinum, palladium, rhodium, ruthenium, iridium and cold content with preliminary collecting for nickel matte
Solid-state laser and solid-state laser heads on an aluminumtrium garnet pulse mode with Q-factor modulation. Method for measuring repetition rate pulses
