英语词汇“uranium”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	uranium
释义	Trends of uranium View usage for: uranium (jʊreɪniəm) uncountable noun Uranium is a naturally occurring radioactive metal that is used to produce nuclear energy and weapons. uranium in British English (jʊˈreɪnɪəm) noun a radioactive silvery-white metallic element of the actinide series. It occurs in several minerals including pitchblende, carnotite, and autunite and is used chiefly as a source of nuclear energy by fission of the radioisotope uranium-235. Symbol: U; atomic no: 92; atomic wt: 238.0289; half-life of most stable isotope, 238U: 451 × 109 years; valency: 2-6; relative density: 18.95 (approx.); melting pt: 1135°C; boiling pt: 4134°C Word origin C18: from New Latin, from Uranus2; from the fact that the element was discovered soon after the planet uranium in American English (jʊˈreɪniəm) noun a very hard, heavy, silver-colored, radioactive, metallic chemical element, one of the actinides, foundonly in combination, chiefly in pitchblende: symbol, U; at. no., 92: an isotope (uranium-235) undergoes neutron-induced fission and another, more plentiful, isotope (uranium-238) is used to produce plutonium Word origin ModL: so named (1789) by M. H. Klaproth (see tellurium), its discoverer, after Uranus, recently (1781) discovered planet + -ium Image of uranium © Bjoern Wylezich, shutterstock Examples of 'uranium' in a sentence uranium The apparent uranium enrichment facility is being built within a larger research complex. Times, Sunday Times (2016) Thousands of centrifuges are required to produce enough enriched uranium for a weapons programme. Times, Sunday Times (2006) The focus at the moment is naturally on uranium enrichment. Times, Sunday Times (2006) But withdrawal would be a contradiction of all its solemn denials that its uranium enrichment programme has any military purposes. Times, Sunday Times (2010) A working uranium programme would allow it to increase its production significantly. Times, Sunday Times (2009) Experiments with X rays and uranium produced the knowledge of electrons and the nucleus of the atom. Stearns, Peter N. World History: Patterns of Change and Continuity (1995) A power plant needs uranium enriched to only 3 per cent. Times, Sunday Times (2006) Ten hours of labour will follow, at the uranium plant or in the colony's workshops. Times, Sunday Times (2010) Word lists with uranium chemical In other languages uranium British English: uranium /jʊˈreɪnɪəm/ NOUN Uranium is a radioactive metal that is used to produce nuclear energy and weapons. American English: uranium Arabic: يُورانِيُوم Brazilian Portuguese: urânio Chinese: 铀 Croatian: uran Czech: uran Danish: uran Dutch: uranium European Spanish: uranio Finnish: uraani French: uranium German: Uran Greek: ουράνιο Italian: uranio Japanese: ウラニウム Korean: 우라늄 Norwegian: uran Polish: uran European Portuguese: urânio Romanian: uraniu Russian: уран Latin American Spanish: uranio Swedish: uran Thai: ธาตุยูเรเนียม Turkish: uranyum Ukrainian: уран Vietnamese: uranium All related terms of 'uranium' uranium-235 a uranium radioisotope that is used in nuclear fission uranium oxide any of the compounds of uranium and oxygen , as UO 2 , UO 3 , U 4 O 9 , or U 3 O 8 uranium-bearing containing or producing uranium uranium dioxide a black, crystalline compound, UO 2 , insoluble in water, used in nuclear fuel rods , in ceramics , and pigments uranium series a radioactive series that starts with uranium-238 and proceeds by radioactive decay to lead-206 depleted uranium Depleted uranium is a type of uranium that is used in some bombs . enriched uranium uranium in which the proportion of the fissile isotope U-235 has been increased to make it more fissile uranium hexafluoride a compound used in the process of uranium enrichment that produces fissile material for nuclear reactors and nuclear weapons . Formula: UF 6 Chinese translation of 'uranium' uranium (juəˈreɪnɪəm) n (u) 铀(鈾) (yóu)
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更新时间：2024/11/14 15:32:45