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・ Quacquarelli Symonds
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Quad (unit)
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・ Quad Cities (disambiguation)
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・ Quad Cities Waterfront Convention Center


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Quad (unit) : ウィキペディア英語版
Quad (unit)

A quad is a unit of energy equal to 1015 (a short-scale quadrillion) BTU,〔(【引用サイトリンク】Energy: Glossary )〕 or 1.055 × 1018 joules (1.055 exajoules or EJ) in SI units.
The unit is used by the U.S. Department of Energy in discussing world and national energy budgets. The global primary energy production in 2004 was 446 quad, equivalent to 471 EJ.
Some common types of an energy carrier approximately equal 1 quad are:
*8,007,000,000 Gallons (US) of gasoline
*293,083,000,000 Kilowatt-hours (kWh)
*293.08 Terawatt-hours (TWh)
*33.434 gigawatt-years (GWy)
*36,000,000 Tonnes of coal
*970,434,000,000 Cubic feet of natural gas
*5,996,000,000 UK gallons of diesel oil
*25,200,000 Tonnes of oil
*252,000,000 Tonnes of TNT or five times the energy of the Tsar Bomba nuclear test.
*13.3 Tonnes of Uranium-235
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Quad (unit)」の詳細全文を読む



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