Actinide (category CS1 German-language sources (de))
explosion products, but no isotopes with mass number greater than 257 could be detected, despite predictions that such isotopes would have relatively long...
130 KB (11,594 words) - 05:53, 24 March 2024
isotopiques rencontrées dans l'uranium du Gabon", the second "Sur l'existence dans un passé reculé d'une réaction en chaîne naturelle de fissions, dans le gisement...
25 KB (3,304 words) - 14:43, 20 May 2024
Francis Perrin (physicist) (category CS1 German-language sources (de))
sections efficaces des isotopes fissiles pour les neutrons thermiques (1955)/International values of cross sections of fissil isotopes for thermic neutrons...
9 KB (867 words) - 10:02, 24 April 2024
Discovery of nuclear fission (category CS1 German-language sources (de))
later wrote, "seemed to be whether Fermi had found isotopes of transuranian elements, or isotopes of the next-lower element, protactinium. At that time...
98 KB (12,318 words) - 13:21, 5 March 2024
Thorium (category CS1 German-language sources (de))
ignite in air when finely divided. All known thorium isotopes are unstable. The most stable isotope, 232Th, has a half-life of 14.05 billion years, or about...
136 KB (15,902 words) - 07:42, 19 May 2024
establishing the half-life of radium and helping demonstrate the existence of isotopes. She was Vice President of the Norwegian Association for Women's Rights...
14 KB (1,551 words) - 16:59, 4 March 2024
video L'Adg du CREN-K/Unikin compte édifier l'opinion sur l'utilité de l'uranium de la République démocratique du Congo" (in French). digitalcongo.net...
13 KB (1,565 words) - 16:23, 7 March 2024
Discovery of chemical elements (category CS1 German-language sources (de))
Annalen. 2: 387–403. E.-M. Péligot (1842). "Recherches Sur L'Uranium". Annales de chimie et de physique. 5 (5): 5–47. "Titanium". Los Alamos National Laboratory...
131 KB (4,821 words) - 19:14, 4 May 2024
Frisch–Peierls memorandum (category CS1 German-language sources (de))
"Calcul relatif aux conditions éventuelles de transmutation en chaine de l'uranium". Comptes rendus de l'Académie des sciences (in French). 208: 1394–1396...
28 KB (3,857 words) - 06:50, 25 March 2024