英文字典中文字典Word104.com



中文字典辭典   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   


安裝中文字典英文字典辭典工具!

安裝中文字典英文字典辭典工具!








  • Xenon - Wikipedia
    Xenon is a chemical element; it has symbol Xe and atomic number 54 It is a dense, colorless, odorless noble gas found in Earth's atmosphere in trace amounts [17] Although generally unreactive, it can undergo a few chemical reactions such as the formation of xenon hexafluoroplatinate, the first noble gas compound to be synthesized [18][19][20]
  • Xenon | Definition, Properties, Atomic Mass, Compounds . . .
    xenon (Xe), chemical element, a heavy and extremely rare gas of Group 18 (noble gases) of the periodic table It was the first noble gas found to form true chemical compounds More than 4 5 times heavier than air, xenon is colorless, odorless, and tasteless
  • Xenon Facts and Uses - Atomic Number 54 Element Symbol Xe
    Xenon is a rare gas in the Earth’s atmosphere, present at a concentration of about 1 part per 11 5 million (0 087 parts per million) Although it’s rare, the best source of the element is extraction from liquid air Xenon also occurs in the Martian atmosphere at about the same concentration
  • Xenon | History, Uses, Facts, Physical Chemical Characteristics
    Xenon is used in search of hypothetical weakly interacting massive particles Several satellites use xenon ion propulsion system to keep them in orbit and in some other space craft Xenon is widely used in the preparation of 5-fluorouracil, a drug used to treat certain cancer
  • Facts About Xenon - Live Science
    Pronounced "ZEE-non," this element is a gas primarily used in light manufacturing Xenon is one of the inert or noble gases and is odorless, colorless, tasteless and chemically non-reactive
  • Xenon Definition, Facts, Symbol, Discovery, Properties, Uses
    Xenon (pronunciation: ZEE-non) is a colorless, odorless, highly unreactive element classified as a noble gas and represented by the chemical symbol Xe [1, 2] It is denser and heavier than most of the other noble gases and can be synthesized into xenon hexafluoroplatinate, the first noble gas compound [3]
  • Xenon - Element information, properties and uses | Periodic Table
    Element Xenon (Xe), Group 18, Atomic Number 54, p-block, Mass 131 293 Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images


















中文字典-英文字典  2005-2009

|中文姓名英譯,姓名翻譯 |简体中文英文字典