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Uranium-235 ( U or U-235) is an isotope of uranium making up about 0.72% of natural uranium. Unlike the predominant isotope uranium-238, it is fissile, i.e., it can sustain a nuclear chain reaction. It is the only fissile isotope that exists in nature as a primordial nuclide. Uranium-235 has a half-life of 703.8 million years. It … 展开
Uranium-235 has many uses such as fuel for nuclear power plants and in nuclear weapons such as nuclear bombs. Some artificial satellites, such as the SNAP-10A and the 展开
CC-BY-SA 许可证中的维基百科文本 Enriched uranium - Wikipedia
Enriched uranium is a type of uranium in which the percent composition of uranium-235 (written U) has been increased through the process of isotope separation. Naturally occurring uranium is composed of three major isotopes: uranium-238 ( U with 99.2732–99.2752% natural abundance), uranium-235 ( U, 0.7198–0.7210%), and uranium-234 ( U, 0.0049–0.0059%). U is the only nuclide existing in nature
Wikipedia · CC-BY-SA 许可下的文字Uranium - Wikipedia
网页Uranium-235 is the only naturally occurring fissile isotope, which makes it widely used in nuclear power plants and nuclear weapons. However, because of the low abundance of uranium-235 in natural uranium …
Isotopes of uranium - Wikipedia
网页Uranium-235 makes up about 0.72% of natural uranium. Unlike the predominant isotope uranium-238, it is fissile, i.e., it can sustain a fission chain reaction. It is the only fissile …
Decay chain - Wikipedia
网页The 4n+3 chain of uranium-235 is commonly called the "actinium series" or "actinium cascade". Beginning with the naturally-occurring isotope uranium-235, this decay series includes the following elements: actinium, …
Uranium-235 - Simple English Wikipedia, the free encyclopedia
网页Uranium-235 is a radioactive isotope of uranium. Uranium-235 has 143 neutrons, 92 protons, and an isotope mass of 235.0439299. Uranium-235 has 235 Pa, 235 Np, and …
Uranium mining - Wikipedia
网页Uranium-235, the fissile isotope of uranium used in nuclear reactors, makes up about 0.7% of uranium from ore. It is the only naturally occurring isotope capable of directly generating nuclear power. While uranium-235 can be …
Uranium-235 (U-235) | Definition, Uses, Half-Life, & Facts
网页2024年9月5日 · uranium-235 (U-235), radioactive isotope of the element uranium with a nucleus containing 92 protons and 143 neutrons. Uranium-235 is the only naturally occurring fissile material; that is, the uranium …
Depleted uranium - Wikipedia
网页Depleted uranium (DU; also referred to in the past as Q-metal, depletalloy or D-38) is uranium with a lower content of the fissile isotope 235 U than natural uranium. [2] The less radioactive and non-fissile 238 U …
What is Uranium? | IAEA - International Atomic Energy …
网页2023年8月16日 · Uranium is a naturally occurring radioactive element, which has the atomic number of 92 and corresponds to the chemical symbol U in the periodic table. It belongs to a special group of elements called …
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