英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

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]


请选择你想看的字典辞典：
单词字典翻译
Europium查看　Europium　在百度字典中的解释百度英翻中〔查看〕
Europium查看　Europium　在Google字典中的解释Google英翻中〔查看〕
Europium查看　Europium　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Europium - Wikipedia
    Europium is a chemical element; it has symbol Eu and atomic number 63 It is a silvery-white metal of the lanthanide series that reacts readily with air to form a dark oxide coating Europium is the most chemically reactive, least dense, and softest of the lanthanides It is soft enough to be cut with a knife
  • 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
    Europium, a rare earth element with distinctive properties, plays a pivotal role in various applications that are integral to modern technology and industry This article delves into the uses of europium, showcasing its importance in electronics, lighting, manufacturing, and medical imaging
  • 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]
  • 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
  • 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
  • Europium compounds - Wikipedia
    Europium compounds are compounds formed by the lanthanide metal europium (Eu) In these compounds, europium generally exhibits the +3 oxidation state, such as EuCl 3, Eu (NO 3) 3 and Eu (CH 3 COO) 3 Compounds with europium in the +2 oxidation state are also known
  • Europium | Elements - RSC Education
    Europium is a soft, silvery metal and the most reactive of the rare earth metals, reacting quickly with oxygen and water It ignites spontaneously when heated to ca 180ºC
  • Europium (Eu) - Periodic Table (Element Information More)
    Europium is a soft and ductile metal having a silvery white appearance with a pale yellow tint The melting point and boiling point of europium element are 826 °C and 1529 °C respectively
  • Europium - Rare Earth Exchanges
    Europium is a soft, ductile, and highly reactive metal, which tarnishes easily in air and reacts vigorously with water As one of the most reactive rare earth elements, Europium requires careful handling and is typically stored in an inert atmosphere to prevent oxidation





中文字典-英文字典  2005-2009