State system for ensuring the uniformity of measurements. Standard reference data. Compounds based on potassium dihydrogen phosphate. Lattice parameters in the range of concentrations of deuterium from 15 at. %. to 80 at.%
Safety of transformers, reactors, power supply units and combinations thereof. Part 2-10. Particular requirements and tests for separating transformers with high insulation level and separating transformers with output voltages exceeding 1 000 V