235U

235U

Isotope of uranium with atomic weight 235.
References in periodicals archive ?
99]Mo was Chalk River, where the National Research Universal (NRU) reactor had been steadily turning out this material from American 235U since the 1970s.
A energia provida da fissao de atomos de uranio 235U tem repercussao tanto na esfera economica como na ambiental, levando em conta aspectos relacionados ao desenvolvimento sustentavel e a sua viabilidade economica.
in chemistry from Colorado State University, Bair joined the Manhattan Project and helped set up the facilities that purified the 235U for the first atomic bomb.
235]U in the sample by thermal neutrons; the thermal neutron flux of the reactor in which the sample is irradiated; and the capture cross-section of 235U for thermal neutrons.
Operated by the Dutch group NRG (the JRC was the former licence holder), the reactor uses low-enriched uranium (LEU), in which the amount of fissionable 235U is less than 20%.
A recent Science Magazine article said that the Resende plant "will have the potential to produce enough 235U to make five to six implosion-type warheads per year.
71% 235U while weapons-grade uranium has more than 90%
in chemistry from Colorado State University, Bair joined the Manhattan Project just in time to help set up the facilities that purified the 235U for the first atomic bomb.
The mass spectrometer source plasma multicollector (MC-ICP-MS) is used for measurements of trace amounts of long-lived actinides, particularly uranium isotopes (233U, 234U, 235U, 236U, 238U), plutonium (238Pu, 239Pu, 240Pu, 241Pu, 242Pu, 244Pu) and thorium (229Th, 230Th, 232Th).
This new research has shown that, by more accurately measuring the relative amount of the uranium isotopes 238U and 235U, we now have a better understanding of how much time has passed since a mineral or rock has formed.
Precision measurement of half-lives and specific activities of 235U and 238U.