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：


请选择你想看的字典辞典：
单词字典翻译
54656查看　54656　在百度字典中的解释百度英翻中〔查看〕
54656查看　54656　在Google字典中的解释Google英翻中〔查看〕
54656查看　54656　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:


  • Roentgenium - Wikipedia
    Roentgenium (German: [ʁœntˈɡeːni̯ʊm] ⓘ) is a synthetic chemical element; it has symbol Rg and atomic number 111 It is extremely radioactive and can only be created in a laboratory
  • Roentgenium | Radioactive, Synthetic, Superheavy | Britannica
    Element 111 was named roentgenium after the German physicist Wilhelm Röntgen, the discoverer of X-rays The longest-lasting isotope, roentgenium-280, has a half-life of 3 6 seconds and decays to meitnerium-276 Roentgenium’s chemical properties may be similar to those of gold
  • Roentgenium - Element information, properties and uses | Periodic Table
    Element Roentgenium (Rg), Group 11, Atomic Number 111, d-block, Mass [280] Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images
  • Roentgenium Facts, Symbol, Discovery, Properties, and Uses
    A synthetic radioactive element, roentgenium (pronounced as runt-GEN-ee-əm), also known as unununium, is denoted by the symbol Rg [1, 2] It is not found naturally and is only produced in the lab under controlled circumstances
  • Roentgenium Facts - Science Notes and Projects
    Roentgenium is a radioactive element with symbol Rg and atomic number 111 It is a transition metal that is predicted to be a solid at room temperature Roentgenium is a synthetic element that is not found in nature
  • Roentgenium | Rg (Element) - PubChem
    Roentgenium is a chemical element with symbol Rg and atomic number 111 Classified as a transition metal, Roentgenium is a expected to be a solid at 25°C (room temperature)
  • Roentgenium Facts - Rg or Element 111 - ThoughtCo
    Roentgenium (Rg) is element 111 on the periodic table Few atoms of this synthetic element have been produced, but it is predicted to be a dense, radioactive metallic solid at room temperature Here is a collection of interesting Rg facts, including its history, properties, uses, and atomic data
  • Roentgenium (Rg) Element: Important Properties, Discovery, Uses, Effects
    Roentgenium is a synthetic transition metal with an atomic number of 109 and is represented by the symbol ‘Rg’ in the periodic table It is silvery in appearance and belongs to the d-block of period 7 of the periodic table Roentgenium was the fifth transactinide (super-heavy) element identified
  • Roentgenium Element Facts
    The chemical element roentgenium is classed as a transition metal It was discovered in 1994 by research scientists at the Heavy Ion Research Laboratory in Darmstadt, Germany
  • Roentgenium | History, Uses, Facts, Physical Chemical Characteristics
    Roentgenium is an artificial and highly radioactive element that was synthesized in 1994 It is used for various research purposes Roentgenium is a synthetic element It was predicted by Mendeleev and was named eka-gold and later was named as the element 111





中文字典-英文字典  2005-2009