uranium 235


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to uranium 235: uranium 238

uranium 235

The isotope of uranium used to produce a fission chain reaction in atomic weapons by establishing a critical mass.
Mentioned in ?
References in periodicals archive ?
In 1961, the plant began to receive fuel rods, which were three-foot-long pins about the width of pencil lead, clad in zirconium and filled with enriched Uranium 235.
Both of these take advantage of the difference in mass between uranium 238 and uranium 235, to separate the two isotopes.
After initial tests, the Atomic Energy Regulatory Board ( AERB) said the content of radioactive Uranium 235 ( U235) is much lower in the recovered material than that found in nature.
They might get their wish, if they can keep the world thinking that they do not have enough Uranium 235 to build a bomb.
Uranium enriched to about 4% uranium 235 can fuel most reactors; to 90%, atom bombs.
While a crude, but effective nuclear bomb could be constructed in the United States, it's still likely that a terrorist group would have to smuggle uranium 235 through the border, they said.
The two options of enriched uranium 235 and plutonium 239 bred from uranium 238 were pursued.
Centrifuges are chambers in which the gas is spun at high speeds until it separates into two isotope forms: uranium 238 and uranium 235, the former being useless since most power plants use uranium 235 to produce energy.
This final sentence exposes the mistaken assumption made by Dr Smith that Uranium 238 and Uranium 235 are 'only very feeble sources of radiation'.
Within a few days 30,000 more deaths would follow as a result of shock and the terrible injuries inflicted by the explosion triggered by slamming two pieces of the highly unstable Uranium 235 together.
Many veterans have since tested positive for traces of uranium 235 and have a much higher cancer rate than the general population.
Werner Heisenberg, Germany's leading physicist, was conducting experiments with the intention of exploiting chain reactions of uranium 235.