Steam trap — A steam trap is a device used to discharge condensate and non condensable gases while not permitting the escape of live steam. Nearly all steam traps are nothing more than automatic valves. They open, close or modulate automatically.Basic… … Wikipedia
Kondensat-Ableiter — ND= Nassdampf, WD=Wasserdampf, W=Wasser Kondensatableiter (auch Kondensomat genannt) sind Regelarmaturen, die selbsttätig das sich in Dampfleitungen und Umformungsprozessen bildende Kondensat in eine meist parallele Rohrleitung ableiten, ohne… … Deutsch Wikipedia
Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker … Wikipedia
Fossil-fuel power station — A working coal plant in Rochester, Minnesota The St. Clair Power Plant, a large coal fired ge … Wikipedia
Ocean thermal energy conversion — Temperature differences between the surface and 1000m depth in the oceans Ocean Thermal Energy Conversion (OTEC) uses the difference between cooler deep and warmer shallow or surface ocean waters to run a heat engine and produce useful work,… … Wikipedia
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
Economic growth — GDP real growth rates, 1990–1998 and 1990–2006, in selected countries … Wikipedia
Petroleum — For other uses, see Petroleum (disambiguation). Proven world oil reserves, 2009 … Wikipedia
geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… … Universalium
Molten salt reactor — scheme. A molten salt reactor (MSR) is a type of nuclear fission reactor in which the primary coolant, or even the fuel itself is a molten salt mixture. MSRs run at higher temperatures than water cooled reactors for higher thermodynamic… … Wikipedia
