单词 | 超导 |
释义 | 〔niobium〕A silvery, soft, ductile metallic element that occurs chiefly in columbite-tantalite and is used in steel alloys, arc welding, and superconductivity research. Atomic number 41; atomic weight 92.906; melting point 2,468°C; boiling point 4,927°C; specific gravity 8.57; valence 2, 3, 5. See table at element 铌:一种象银的、柔软的、可延展的金属元素,主要存在于铌钽物中,用于钢铁合金、弧形焊接以及超导(电)性研究中。原子序数41;原子量92,906;熔点2,468°C;沸点4,927°C;比重8.57;化合价2,3,5 参见 element〔Bednorz〕German physicist. He shared a 1987 Nobel Prize for pioneering research in superconductivity.贝德纳兹,J.格奥尔格:(生于 1950) 德国物理学家,因其在超导方面首创性的研究,获1987年诺贝尔奖〔SQUID〕A device that measures minute changes in magnetic flux by means of a pair of Josephson junctions, often used to detect extremely small changes in magnetic fields, electric currents, and voltages.超导量子干涉磁量仪:通过使用一对约瑟夫森接合器测量磁通中微小变化的装置,常用于检测磁场、电流和电压中极其细小的变化〔superconducting〕"a revolutionary superconducting magnetic propulsion system"(Colin Nickerson)“革命性的超导电磁推进系统”(科林·尼克松)〔Bardeen〕American physicist. He shared a Nobel Prize in 1956 for the development of the electronic transistor and in 1972 for a theory of superconductivity.巴丁,约翰:(1908-1991) 美国物理学家。在1956年他因发展了电晶体管而获诺贝尔奖,在1972年他因提出了超导理论再获此殊荣 |
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