Uranium (92U) is a naturally occurring radioactive element (radioelement) with no stable isotopes. It has two primordial isotopes, uranium-238 and uranium-235...

Enriched uranium is a type of uranium in which the percent composition of uranium-235 (written 235U) has been increased through the process of isotope...

Uranium-238 (238U or U-238) is the most common isotope of uranium found in nature, with a relative abundance of 99%. Unlike uranium-235, it is non-fissile...

reactions by uranium atoms, a fact not discovered until 1951. Twenty-five neptunium radioisotopes have been characterized, with the most stable being 237 Np with...

natural uranium are uranium-238 (which has 146 neutrons and accounts for over 99% of uranium on Earth) and uranium-235 (which has 143 neutrons). Uranium has...

Uranium-236 (236U) is an isotope of uranium that is neither fissile with thermal neutrons, nor very good fertile material, but is generally considered...

U-237 may refer to: German submarine U-237, a German Type VIIC submarine used in World War II Uranium-237 (U-237 or 237U), an isotope of uranium This disambiguation...

of neptunium with uranium, americium, plutonium, zirconium, and iron, so as to recycle long-lived waste isotopes such as neptunium-237 into shorter-lived...

Experiments have been conducted with uranium-233 (the fissile material at the heart of the thorium fuel cycle). Neptunium-237 and some isotopes of americium...

device by studying the ratio and presence of tell-tale isotopes, namely uranium-237, present in the fallout. This information could potentially reveal the...

discovered the uranium-237 isotope and pioneered the studies of symmetric fission phenomena occurring upon fast neutron irradiation of uranium (1939–1940)...

composition. For example, uranium-237 is a unique thermonuclear explosion marker, as it is produced by a (n,2n) reaction from uranium-238, with the minimal...

decay is possible. Plutonium-241 also has a rare alpha decay branch to uranium-237, occurring in about 0.002% of decays. With a Q-value of 5.055±0.005 MeV...

fell upon the ship carried strontium-90, cesium-137, selenium-141, and uranium-237. During their return, the crew began showing symptoms of radiation poisoning...

Uranium-233 (233U or U-233) is a fissile isotope of uranium that is bred from thorium-232 as part of the thorium fuel cycle. Uranium-233 was investigated...

decaying to uranium-235 via alpha emission with a half-life 24,500 years. There has also been large-scale production of neptunium-237, which has resurrected...

S2CID 257976576. Yirka, Bob (April 5, 2023). "Previously unknown isotope of uranium discovered". Phys.org. Retrieved 2023-04-12. 14 C is used in radiocarbon...

""The discoveries of uranium 237 and symmetric fission — From the archival papers of Nishina and Kimura"_The discovery of a new uranium isotope, 237U". Proceedings...

Retrieved 2008-09-12. Ikeda, Nagao (25 July 2011). "The discoveries of uranium 237 and symmetric fission — From the archival papers of Nishina and Kimura"...

Reprocessed uranium (RepU) is the uranium recovered from nuclear reprocessing, as done commercially in France, the UK and Japan and by nuclear weapons...

Retrieved 8 June 2016. Ikeda, Nagao (25 July 2011). "The discoveries of uranium 237 and symmetric fission – From the archival papers of Nishina and Kimura"...

work, he described a post-WWII 1965 Nazi conspiracy to develop and use uranium-237 bombs, months before the first successful atomic test at Alamogordo –...

Picon, Marius; Flahaut, Jean (1953). "Dimorphism of the uranium disulfide, US2". Compt. Rend. 237: 808–810. Assmann, Helmut; Stehle, Heinz (1981) [Mid-1979]...

dust therefore greatly reduces radiation exposure. The beta decaying uranium-237 and neptunium-239, that are generated from the neutron capture of U-235...

transmuted into the fissile artificial uranium isotope 233 U which is the nuclear fuel. Unlike natural uranium, natural thorium contains only trace amounts...

more-commonly available isotopes of uranium and thorium, such as uranium-238 and thorium-232, as opposed to the rare uranium-235 which is used in conventional...

exposure of uranium-238 to a large neutron flux resulting from the explosion produced heavy isotopes of uranium, including uranium-253 and uranium-255, and...

reprocessed uranium, also known as the spent fuel material, can in principle also be re-used as fuel, but that is only economical when uranium supply is...

the M1A1HA (Heavy Armor) and later American tank variants, a depleted uranium alloy. Some companies offer titanium carbide modules.[citation needed]...

used uranium-235. Three methods were employed for uranium enrichment: electromagnetic, gaseous, and thermal. In parallel with the work on uranium was an...