• Thumbnail for Boron
    Boron (category Neutron poisons)
    spallation neutrons. Such neutrons can be moderated by materials high in light elements, such as polyethylene, but the moderated neutrons continue to...
    119 KB (12,763 words) - 09:17, 1 May 2024
  • neutrons. Deuterium or hydrogen-2 has one neutron and tritium or hydrogen-3 has two neutrons. These additional neutrons significantly impact the mass of the...
    244 KB (30,904 words) - 22:20, 12 April 2024
  • Thumbnail for Nuclear weapon design
    can be self-sustaining because it produces enough surplus neutrons to offset losses of neutrons escaping the supercritical assembly. Most of these have...
    123 KB (16,127 words) - 06:50, 28 May 2024
  • Thumbnail for Nuclear chemistry
    make the neutron-poor isotope nitrogen-13; this isotope emitted positrons. In addition, they bombarded aluminium and magnesium with neutrons to make new...
    39 KB (5,185 words) - 02:01, 3 February 2024
  • Thumbnail for Thorium
    Thorium (category CS1 German-language sources (de))
    heavy seed nuclei such as 56Fe rapidly capture neutrons, running up against the neutron drip line, as neutrons are captured much faster than the resulting...
    136 KB (15,902 words) - 07:42, 19 May 2024
  • Thumbnail for Fizeau experiment
    through the stationary aether drags light propagating through it with only a fraction of the medium's speed, with a dragging coefficient f given by f = 1 − 1...
    35 KB (4,405 words) - 16:04, 22 May 2024
  • Thumbnail for Chernobyl disaster
    Chernobyl disaster (category CS1 German-language sources (de))
    existing steam voids in the core. Because water absorbs neutrons better than steam, the neutron flux and reactivity decreased. The operators responded...
    272 KB (29,490 words) - 21:02, 26 May 2024
  • Thumbnail for Gold
    Gold (category CS1 German-language sources (de))
    Bainbridge, K. T. & Anderson, H. H. (1941). "Transmutation of Mercury by Fast Neutrons". Physical Review. 60 (7): 473–479. Bibcode:1941PhRv...60..473S. doi:10...
    141 KB (15,960 words) - 16:08, 25 May 2024
  • suction caused by evaporation from plant leaves (transpiration) and a lower fraction is supplied by suction created by osmotic pressure differences between...
    43 KB (4,930 words) - 21:25, 18 May 2024
  • Thumbnail for Soil respiration
    preferentially. Isotopes are the same element that differ in the number of neutrons, thereby making one isotope heavier than the other. The two stable carbon...
    41 KB (5,597 words) - 12:33, 24 April 2024