United power system and isolated power systems. Operational dispatch management. Checking the compliance of the nominal tripping current of circuit breakers at voltage 110 kV and above with the calculated levels of short-circuit currents. Norms and requirements
State system for ensuring the traceability of measurements. Nondespersive infrared (NDIR) gas analyzers for determination of carbon monoxide in the vapour phase of cigarette smoke. The method of verification
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