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:

praseodymium    
n. 镨



praseodymium
n 1: a soft yellowish-white trivalent metallic element of the
rare earth group; can be recovered from bastnasite or
monazite by an ion-exchange process [synonym: {praseodymium},
{Pr}, {atomic number 59}]

Praseodymium \Pra`se*o*dym"i*um\, n. [Praseo- didymium.]
(Chem.)
An elementary substance, one of the constituents of didymium;
-- so called from the green color of its salts. Symbol Ps.
Atomic weight 143.6.
[1913 Webster]


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


  • Praseodymium - Wikipedia
    Praseodymium is a chemical element; it has symbol Pr and atomic number 59 It is the third member of the lanthanide series and is considered one of the rare-earth metals It is a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties
  • Praseodymium | Rare Earth Element, Atomic Number 59 | Britannica
    praseodymium (Pr), chemical element, a rare-earth metal of the lanthanide series of the periodic table Praseodymium is a moderately soft, ductile, and malleable silvery white metal
  • Praseodymium Element Facts Chemistry - chemicool. com
    Praseodymium is a soft, malleable, ductile, silvery metal Praseodymium is one of the lanthanide rare earth metals It forms a flaky black oxide coating (Pr 6 O 11) in air Unlike many metal oxide layers, this one does not protect the metal from further oxidation The pale green sesquioxide, Pr 2 O 3, is not stable in air (4)
  • Praseodymium | History, Uses, Facts, Physical Chemical Characteristics
    Praseodymium was discovered in 1841 It is strong paramagnetic in nature It is widely used as an alloying agent with magnesium to make high strength metal It is found in house equipment like color television, lamps and glasses
  • Praseodymium Facts, Symbol, Discovery, Properties, Uses
    Praseodymium (pronunciation pra-see-oh-DIM-ee-em [2]), represented by the chemical symbol Pr [1], is a soft transition element [8] belonging to the family of rare earth metals [3, 4] Naturally occurring Pr has a single stable isotope with mass number 141 [1, 3]
  • Praseodymium Facts - Element 59 - ThoughtCo
    Praseodymium is element 59 on the periodic table with the element symbol Pr It's one of the rare earth metals or lanthanides Here is a collection of interesting facts about praseodymium, including its history, properties, uses, and sources Praseodymium was discovered by Swedish chemist Carl Mosander in 1841, but he did not purify it
  • Comprehensive Guide to Praseodymium: Uses, Properties History
    Explore the fascinating world of Praseodymium, a rare-earth metal with a wide range of industrial applications From its history and physical properties to its role in aerospace, magnets, and more, discover why this element is so important in modern technology
  • Praseodymium - Periodic Table
    Praseodymium - Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more; Interactive periodic table of the chemical elements
  • Praseodymium (Pr) - Definition, Preparation, Properties, Uses . . .
    Praseodymium is a chemical element with the symbol Pr and atomic number 59 It is a soft, silvery, malleable, and ductile metal in the lanthanide series of the periodic table Praseodymium was discovered in 1885 by Austrian chemist Carl Auer von Welsbach
  • Praseodymium - American Elements
    Praseodymium is one of the rare earth elements found in didymium glass, which is used in safety goggles that block potentially harmful intense ultraviolet, infrared, and yellow light produced by during some types of welding and glassworking





中文字典-英文字典  2005-2009