Hydrogen is used to cool large, stationary generators because of its high heat capacity and low viscosity, and must be kept dry to maintain both of these properties. Ambient moisture is considered a contaminant, which will reduce the heat capacity and increase the viscosity of the cooling hydrogen.
By Moisture Control & Measurement Ltd based in Wetherby, UNITED KINGDOM.
Opsis systems provide high-performance monitoring of the emission activities within an airport. The rapid system allows on-line monitoring of the emissions from each aircraft at take-offs and landings, monitoring of fugitive emissions from stationary sources and differing of the airport sources from the surrounding pollution sources.
By Opsis AB based in Furulund, SWEDEN.
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