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：

ruthenium    
n. 钌

钌

ruthenium
n 1: a rare polyvalent metallic element of the platinum group;
it is found associated with platinum [synonym: {ruthenium},
{Ru}, {atomic number 44}]

Ruthenium \Ru*the"ni*um\, n. [NL. So named from the Ruthenians,
a Little Russian people, as coming from Russia, the metal
having been found in the Ural mountains.] (Chem.)
A rare element of the light platinum group, found associated
with platinum ores, and isolated as a hard, brittle
steel-gray metal which is very infusible. Symbol Ru. Atomic
weight 103.5. Specific gravity 12.26. See {Platinum metals},
under {Platinum}.
[1913 Webster]


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


  • Ruthenium - Wikipedia
    Ruthenium is a chemical element; it has symbol Ru and atomic number 44 It is a rare transition metal belonging to the platinum group of the periodic table Like the other metals of the platinum group, ruthenium is unreactive to most chemicals
  • Ruthenium | Chemical Element, Catalysts, Alloys | Britannica
    Ruthenium, chemical element, one of the platinum metals of Group 810 (VIIIb), Periods 5 and 6, of the periodic table, used as an alloying agent to harden platinum and palladium
  • Ruthenium - Element information, properties and uses | Periodic Table
    Ruthenium is one of the most effective hardeners for platinum and palladium, and is alloyed with these metals to make electrical contacts for severe wear resistance It is used in some jewellery as an alloy with platinum Ruthenium has no known biological role Ruthenium (IV) oxide is highly toxic Ruthenium is one of the rarest metals on Earth
  • Ruthenium Facts, Symbol, Discovery, Properties, Uses
    A transition metal, ruthenium (pronounced as roo-THE-nee-em) is denoted by the chemical symbol Ru [1] Its abundance in the earth’s crust is estimated to be 1×10 -7 % [19]
  • What is Ruthenium? The rare metal behind the latest price spike
    Ruthenium may not be widely known outside industrial circles, but its importance in modern technology is increasing rapidly The metal is used in several key applications, including electronics manufacturing, semiconductors and chemical processing
  • Ruthenium | Ru | CID 23950 - PubChem
    Ruthenium is a mineral with formula of Ru The corresponding IMA (International Mineralogical Association) number is IMA1974-013 The IMA symbol is Ru
  • Ruthenium: Element Properties and Uses - samaterials. com
    Ruthenium is a rare transition metal with atomic number 44, known for its unique chemical and physical properties and its importance in various industrial applications
  • Ruthenium Element Facts - chemicool. com
    Ruthenium is a very rare, hard, lustrous, brittle, silvery-white metal that does not tarnish at room temperature Typical of transition metals, ruthenium can exist in many oxidation states, its most common being the oxidation states II, III and IV The metal is unaffected by air, water and acids
  • Ruthenium prices hit record high as AI boom squeezes supply
    By Anushree Mukherjee March 16 (Reuters) - Ruthenium, a minor metal in the platinum-group metals (PGMs), has surged to an all-time high as supply constraints and growing demand linked to
  • Ruthenium | History, Uses, Facts, Physical Chemical Characteristics
    Ruthenium was discovered in 1884 and is member of the platinum family It is a rare metal and widely in electrical industry and in making alloys





中文字典-英文字典  2005-2009