Fuel cell technologies. Part 9-102. Methodology for assessing the environmental performance of fuel cell power plants in the framework of a life cycle review. Stationary cogeneration power plants based on fuel cells for living quarters. Product category rules for development of environmental declaration
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
Tantalum and its oxides. Spectral method for determination of aluminum, vanadium, ferrum, calcium, silicon, magnesium, manganese, copper, nickel, niobium, tin, titanium, chromium and zirconium
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