vapour riser

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• petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …   Universalium

• 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

• Edward Elgar — Sir Edward William Elgar, 1st Baronet, OM, GCVO (2 June 1857 ndash; 23 February 1934) was an English Romantic composer. Several of his first major orchestral works, including the Enigma Variations and the Pomp and Circumstance Marches , were… …   Wikipedia

• Solar cell — A solar cell made from a monocrystalline silicon wafer …   Wikipedia

• Multijunction photovoltaic cell — Multi junction solar cells or tandem cells are solar cells containing several p n junctions. Each junction is tuned to a different wavelength of light, reducing one of the largest inherent sources of losses, and thereby increasing efficiency.… …   Wikipedia

• North West Shelf Venture — leases and infrastructure The North West Shelf Venture, situated in the north west of Western Australia, is Australia s largest resource development project. It involves the extraction of petroleum (mostly natural gas and condensate) at offshore… …   Wikipedia

• river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …   Universalium

• petroleum production — Introduction       recovery of crude oil and, often, associated natural gas from the Earth.        petroleum is a naturally occurring hydrocarbon material that is believed to have formed in deep sedimentary (sedimentary rock) beds from animal and …   Universalium