释义 |
uranium dioxide
uranium dioxiden. A black, highly toxic crystalline powder, UO2, once used in ceramic glazes and gas mantles, now used primarily to pack nuclear fuel rods.uranium dioxide
uranium dioxide[yə′rā·nē·əm dī′äk‚sīd] (inorganic chemistry) UO2 Black, highly toxic, spontaneously flammable, radioactive crystals; insoluble in water, soluble in nitric and sulfuric acids; melts at approximately 3000°C; used to pack nuclear fuel rods and in ceramics, pigments, and photographic chemicals. Also known as urania; uranic oxide; uranium oxide. See UO2 See UO2 |