銪 (yǒu) - Europium — a chemical element with symbol Eu

銪Tone 3

yǒu ｜ 14 strokes ｜ radical:

咏与

銪 · yǒu

Europium — a chemical element with symbol Eu and atomic number 63, a rare-earth metal in the lanthanide series.

Europium — a chemical element with symbol Eu

Usage highlights

europium elementeuropium oxideeuropium compoundeuropium ioneuropium contenteuropium

Synonyms

  • 铕— Simplified Chinese form of europium

Usage & contexts

Examples

  • Europium is used in red phosphors for television screens (銪用于电视屏幕的红色荧光粉).
  • This compound contains europium oxide (这种化合物含有氧化銪).
  • Europium-doped materials glow under UV light (掺銪材料在紫外线下发光).
  • The sample was tested for europium content (样品测试了銪含量).

Collocations

  • europium element(銪元素)
  • europium oxide(氧化銪)
  • europium compound(銪化合物)
  • europium ion(銪离子)
  • europium content(銪含量)
  • europium-doped(掺銪)

Cultural background

FAQ
  • Europium is named after the continent of Europe, discovered in 1901 by French chemist Eugène-Anatole Demarçay.
  • As a rare-earth element, europium has significant applications in modern technology, particularly in phosphors for displays and lighting.
  • China is a major producer of rare-earth elements including europium, giving this character relevance in materials science and technology contexts.

FAQ