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uranium 238


  • WordNet 3.6
    • n uranium 238 the commonest isotope of uranium; it is not fissionable but when irradiated with neutrons it produces fissionable plutonium 239
    • ***


In literature:

Uranium is a rather rare element, though known for over a hundred years, and has an atomic weight of 238.5.
"Q. E. D., or New Light on the Doctrine of Creation" by George McCready Price

In news:

In "The Secrets of the Bomb" Jeremy Bernstein writes that at the Manhattan Project at Oak Ridge, Tennessee, most of the separation of uranium-235 from uranium-238 was accomplished by means of electromagnetic fields.

In science:

For depleted-uranium, i.e., U-238, this gives a speci fic act Ci/g which is listed in the last line of Table 1.
A comparison of delayed radiobiological effects of depleted-uranium munitions versus fourth-generation nuclear weapons
Natural uranium at the present time contains about 136 times as many atoms of the essentially non-fissionable 238U (pronounced U-238) as it does the readily-fissionable 235U.
Teaching About Nature's Nuclear Reactors