this requires shutdown of the reactor

  • 41Nuclear chain reaction — A possible nuclear fission chain reaction. 1. A uranium 235 atom absorbs a neutron, and fissions into two new atoms (fission fragments), releasing three new neutrons and a large amount of binding energy. 2. One of those neutrons is absorbed by an …

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  • 42Dates of 2006 — ▪ 2007 January Keeping America competitive requires affordable energy. And here we have a serious problem. America is addicted to oil, which is often imported from unstable parts of the world. U.S. Pres. George W. Bush, in his state of the union… …

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  • 43March 2011 — was the third month of the current year. It began on a Tuesday and ended after 31 days on a Thursday. International holidays (See Holidays and observances, on sidebar at right, below) Portal:Current events This is an archived version of Wikipedia …

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  • 44Northeast blackout of 2003 — States and provinces that experienced the blackout; not all areas within these political boundaries were affected. The Northeast blackout of 2003 was a widespread power outage that occurred throughout parts of the Northeastern and Midwestern… …

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  • 45Biofuel — Information on pump regarding ethanol fuel blend up to 10%, California …

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  • 46Boron — (pronEng|ˈbɔərɒn) is a chemical element with atomic number 5 and the chemical symbol B. Boron is a trivalent nonmetallic element which occurs abundantly in the evaporite ores borax and ulexite. Boron is never found as a free element on… …

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  • 47Tritium — Infobox isotope background = #ffcccc text color = isotope name = Hydrogen 3 alternate names = tritium, triton mass number = 3 symbol = H num neutrons = 2 num protons = 1 abundance = trace halflife = 4500±8 days decay mode1 = Beta emission decay… …

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  • 48November 2004 — November 2004: January – February – March – April – May – June – July – August – September – October – November – December See also: November 2004 in sports and November 2004 in science Events …

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  • 49Ontario electricity policy — refers to plans, legislation, incentives, guidelines, and policy processes put in place by the Government of the Province of Ontario, Canada, to address issues of electricity production, distribution, and consumption. Policymaking in the… …

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  • 50Media coverage of climate change — has significant effects on public opinion on climate change,[1] as it mediates the scientific opinion on climate change that the global instrumental temperature record shows increase in recent decades and that the trend is caused mainly by human… …

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