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Examples
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If you have any spare plutonium-239 or uranium-265, that would really help.
Superhero Nation: how to write superhero novels and comic books » New Year’s Resolutions: 2009 2009
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Acord creates sculptures out of radioactive materials, but his latest project seems to be more a means of creating plutonium-239 in the garden shed.
Archive 2009-04-01 Gordon McCabe 2009
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The latter will then undergo beta decay to neptunium-239, which in turn will beta decay to plutonium-239.
Archive 2009-04-01 Gordon McCabe 2009
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The half-life of plutonium-239 is about 24,000 years, compared with a half-life of eight days for radioactive iodine-131.
At Plant, Toxic Pools Threaten to Spill Andrew Morse 2011
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Baradi is no tool of the so-called "Western Powers" - if he was, he wouldn't have said that they were hyping the threat of a Iranian nuclear weapon which is true - Iran has no plutonium-239 production capacity, and hence is little if anything of a nuclear threat.
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Machon 9 – A laser isotope separation facility can be used to enrich uranium and to increase the proportion of isotope plutonium-239 in plutonium.
Should the Israelis Arrest Benny Morris? « Antiwar.com Blog 2008
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Radioactive decay products have been detected that are consistent with those produced by the fission of plutonium-239.
DBTL 57: Some Men You Just Can't Reach Johnny Pez 2010
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After initially deciding that if Nagasaki were obscured on their arrival the crew would carry the bomb to Okinawa and dispose of it in the ocean, finally at 11. 01am, a last-minute break in the clouds over Nagasaki allowed Bockscar's bombardier to visually sight the target as ordered and drop the "Fat Man" weapon, containing a core of 14. 1lbs of plutonium-239, over the city's industrial valley.
Lucy Walker: Thoughts on the 65th Anniversary of Hiroshima Day 2010
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Three radioactive isotopes remained active in Belarusian soil—cesium-137, strontium-90, plutonium-239—and continued to produce the poisons that cause such fearful damage to human tissue and human genes.
Venom Joan Brady 2010
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Two of these, plutonium-239 (239Pu) and 241Pu, then undergo fission in the same way as 235U to produce heat.
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