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europium    音标拼音: [jʊr'opiəm]
n. 铕

铕

europium
n 1: a bivalent and trivalent metallic element of the rare earth
group [synonym: {europium}, {Eu}, {atomic number 63}]

Europium \Eu*ro"pi*um\, n. [NL.; Europe -ium, as in
aluminium.] (Chem.)
A metallic element of the rare-earth group (Lanthanide
series), discovered spectroscopically by Demarcay in 1896.
Symbol, Eu; atomic number 63; at. wt., 151.965 (C=12.011);
valence = 2 or 3.
[Webster 1913 Suppl. PJC]


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  • Europium - Wikipedia
    Europium is the most chemically reactive, least dense, and softest of the lanthanides It is soft enough to be cut with a knife Europium was discovered in 1896, provisionally designated as Σ; in 1901, it was named after the continent of Europe [9]
  • Europium | Uses, Properties, Facts | Britannica
    europium (Eu), chemical element, a rare-earth metal of the lanthanide series of the periodic table Europium is the least dense, the softest, and the most volatile member of the lanthanide series
  • What is Europium Used For? - stanfordmaterials. com
    Discovered in 1901 by French chemist Eugène-Anatole Demarçay, europium is a soft, silvery metal that belongs to the lanthanide series of the periodic table Named after the continent of Europe, it is known for its exceptional luminescent properties
  • Europium - Element information, properties and uses | Periodic Table
    Europium is excellent at absorbing neutrons, making it valuable in control rods for nuclear reactors Europium-doped plastic has been used as a laser material It is also used in making thin super-conducting alloys Europium has no known biological role It has low toxicity
  • Europium Facts, Symbol, Discovery, Properties, Uses
    Belonging to the family of lanthanides, europium (pronounced as yoo-RO-pee-em) is a rare earth metal denoted by the chemical symbol Eu [1] It has thirty isotopes with mass numbers ranging from 131 to 162 of which europium-151 and europium-153 are stable, occurring naturally [3]
  • Interesting Facts About Europium: A Rare Earth Element (REE) And . . .
    Europium has the lowest density (5 24 g cm³) and is the softest of all lanthanide elements, easily cut with a knife Natural europium consists of two isotopes: Eu-151 (47 8%) and Eu-153 (52 2%), both of which are stable
  • Facts About Europium - Live Science
    Europium, a member of the lanthanides group of elements, ignites at air temperatures of 302 to 356 F (150 to 180 C), which is the case of all other rare earth metals with the exception of
  • Critical Mineral: Europium - Montana Technological University
    Europium (Eu) is a chemical element included on the United States Geological Survey’s 2022 Final List of Critical Minerals Eu is a lanthanide It is a light rare earth element (REE) Unlike some other REEs, the terrestrial abundance of Eu is ~0 000009 wt %, making it truly rare
  • Europium - Rare Earths
    Europium is a light rare earth element we encounter in everyday life in fluorescent lamps and banknotes This is because the element is part of the sophisticated security features of every five-euro bill and makes the banknote appear partially red under ultraviolet light
  • Europium: Element Properties and Uses - samaterials. com
    Europium is a rare earth metal known for its high fluorescence and exceptional ability to absorb and emit light It is widely used in phosphorescent applications and nuclear reactors





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