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:

silicium    





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


  • Silicon - Wikipedia
    After an attempt to isolate silicon in 1808, Sir Humphry Davy proposed the name "silicium" for silicon, from the Latin silex, silicis for flint, and adding the "-ium" ending because he believed it to be a metal [20]
  • Silicon | Element, Atom, Properties, Uses, Facts | Britannica
    Silicon, a nonmetallic chemical element in the carbon family that makes up 27 7 percent of Earth’s crust; it is the second most abundant element in the crust, being surpassed only by oxygen Learn more about the characteristics, distribution, and uses of silicon in this article
  • What is Silica? Benefits, Dosage, Side-effects - Holland Barrett
    Learn about the roles of silica in bone health and collagen formation and discover its sources, uses, benefits and side effects in our ultimate guide
  • Silicium — Wikipédia
    Le silicium est l'élément chimique de numéro atomique 14, de symbole Si Membre du groupe 14 du tableau périodique, il est tétravalent et, comme le germanium, c'est un métalloïde Le nom dérive du latin silex, silicĭs qui signifie « caillou » ou « silex » [8], [9]
  • SILICIUM Definition Meaning | Dictionary. com
    “We were a precursor in 2001 with the use of silicium in our movements starting with the Freak timepiece,” Ms Hurni said From New York Times “The timepiece blends traditional enameling on the dial, and silicium in the heart of the mechanism,” Susanne Hurni, the chief marketing officer for Ulysse Nardin, said by telephone from the
  • Silicon | History, Uses, Facts, Physical Chemical Characteristics
    Compounds of silicon were used long before the discovery of silicon Antoine Lavoisier (1787) tried reducing silica, an oxide of silicon, to isolate silicon but failed Sir Humphry Davy, in 1808 named the element silicium but also failed to isolate the element The element was given its present name, silicon, by Thomas Thomson in 1817
  • Facts About Silicon - Live Science
    Silicon is the seventh-most abundant element in the universe and the second-most abundant element on the planet, after oxygen, according to the Royal Society of Chemistry About 25 percent of the
  • Silicon - Element information, properties and uses | Periodic Table
    Silicon makes up 27 7% of the Earth’s crust by mass and is the second most abundant element (oxygen is the first) It does not occur uncombined in nature but occurs chiefly as the oxide (silica) and as silicates
  • What is Silicium? • FreshKit. co. uk
    Silicium (also known as silicon) is a chemical element with the symbol Si and atomic number 14 It is a metalloid, meaning it has properties of both metals and nonmetals Silicium is the second most abundant element in the Earth’s crust, after oxygen
  • What does SILICIUM mean? - Definitions. net
    silicium Silicon is a chemical element with the symbol Si and atomic number 14 It is a hard, brittle crystalline solid with a blue-grey metallic luster, and is a tetravalent metalloid and semiconductor It is a member of group 14 in the periodic table: carbon is above it; and germanium, tin, lead, and flerovium are below it
  • SILICIUM Definition Meaning - Merriam-Webster
    The meaning of SILICIUM is silicon Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged Expanded definitions
  • WebElements Periodic Table » Silicon » the essentials
    Silicon: isolation Isolation: there is normally no need to make silicon in the laboratory as it is readily available commercially Silicon is readily available through the treatment of silica, SiO 2, with pure graphite (as coke) in an electric furnace SiO 2 + 2C → Si + 2CO Under these conditions, silicon carbide, SiC, can form
  • Silicon 101: Introduction to silicon (1 3) - Magazine
    Berzelius gave his new element the name silicium – from the Latin silex or silicis meaning flint But seven years later in 1831, Thomas Thomson put forward the view that the element’s lack of metallic properties meant that it was better considered a non-metal
  • Periodic Table of Elements - Si (EnvironmentalChemistry. com)
    Latin: Silicium; Czech: Křemík; Croatian: Silicij; French: Silicium; German: Silizium - r; Italian: Silicio; Norwegian: Silisium; Portuguese: Silício; Russian: Кремний; Spanish: Silicio; Swedish: Kisel Atomic Structure of Silicon Atomic Radius: 1 46Å; Atomic Volume: 12 1cm 3 mol; Covalent Radius: 1 11Å; Cross Section (Thermal
  • Silicon – expert written, user friendly element information
    He named the new element silicium (3), (4) At that time the concept of semiconductors lay a century in the future Unaware that such materials existed and that silicon was an excellent example of a semiconductor, scientists debated whether the new element should be classed as a metal or a nonmetal





中文字典-英文字典  2005-2009