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Used fuel is about 95% uranium-238 but it also contains up to 1% uranium-235 that has not fissioned, about 1% plutonium and 3% fission products, which are highly radioactive, with other transuranic elements formed in the reactor.
Nuclear fuel cycle 2009
One pound of completely fissioned uranium has the fuel value of over 1500 tons of coal.
The United Arab Republic Egypt + Syria lasted three years, then fissioned.
The two different bombs they devised over the next 28 months, Little Boy and Fat Man, fissioned baseball-size cores of uranium or plutonium to deliver explosions equivalent to thousands of tons of TNT.
The Atomic Bomb 2008
The Okmulgee apparently fissioned from the Hitchiti earlier.
History of American Women Maggiemac 2008
These events or stages constitute a cycle because they begin and end with the same event, such as the formation of a fertilized egg in sexually reproducing organisms, or the creation of a fissioned cell in clonally reproducing organisms.
The Biological Notion of Individual Wilson, Robert A. 2007
During Acción Democrática's ten years in power, it has fissioned three times, in each instance losing some of its younger and more radical supporters and some momentum for reform.
It is claimed that the Yucca Mountain nuclear waste repository will be filled in ten years which assumes only uranium-235 isotopes of uranium will be fissioned and that concomitant long-lived uranium-238 isotopes with in-bred plutonium are waste.
Now, of course, SumnerRedstoneSumner Redstone's firm has fissioned into new Viacom and CBS, named for the Tiffany Network.
So SumnerRedstoneSumner Redstone's firm fissioned into new Viacom and CBS, named for the Tiffany Network.
Faces Of The Week: Feb. 20-24, 2006Forbes Faces Of The Week: Feb. 20-24, 2006 Forbes.com staff 2006