distribution pipeline
121Economy of Armenia — Armenia is the second most densely populated of the former Soviet republics. It is situated between the Black Sea and the Caspian Sea, bordered on the north and east by Georgia and Azerbaijan and on the south and west by Iran and Turkey.Until… …
122Water hammer — (or, more generally, fluid hammer) is a pressure surge or wave resulting when a fluid in motion is forced to stop or change direction suddenly (Momentum Change). Water hammer commonly occurs when a valve is closed suddenly at an end of a pipeline …
123Meter Point Administration Number — A Meter Point Administration Number, also known as MPAN, Supply Number or S Number, is a 21 digit reference used in Great Britain to uniquely identify electricity supply points such as individual domestic residences. The gas equivalent is the… …
124Electricity sector in Argentina — The electricity sector in Argentina constitutes the third largest power market in Latin America. It relies mostly on thermal generation (54% of installed capacity) and hydropower generation (41%), with new renewable energy technologies barely… …
125National Grid (Great Britain) — For the UK Ordnance Survey National Grid for mapping co ordinates in Great Britain, see Ordnance Survey National Grid. 400 kV power line in Cheshire The National Grid is the high voltage electric power transmission network in …
126Enbridge Northern Gateway Pipelines — Northern Gateway West Line Location Country Canada General direction east–west From Bruderheim, Alberta To Kitimat, Bri …
127Disasters — ▪ 2009 Introduction Aviation January 23, Poland. A Spanish built CASA transport plane carrying members of the Polish air force home from a conference on flight safety in Warsaw crashes near the town of Miroslawiec; all 20 aboard are killed …
128Earth 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… …
