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   







請輸入英文單字,中文詞皆可:

請選擇你想看的字典辭典:
單詞字典翻譯
443213查看 443213 在Google字典中的解釋Google英翻中〔查看〕
443213查看 443213 在Yahoo字典中的解釋Yahoo英翻中〔查看〕





安裝中文字典英文字典查詢工具!


中文字典英文字典工具:
選擇顏色:
輸入中英文單字

































































英文字典中文字典相關資料:
  • Uranium - Wikipedia
    Uranium is a chemical element; it has symbol U and atomic number 92 It is a silvery-grey metal in the actinide series of the periodic table A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons Uranium radioactively decays, usually by emitting an alpha particle
  • Uranium | Definition, Properties, Uses, Facts | Britannica
    uranium (U), radioactive chemical element of the actinoid series of the periodic table, atomic number 92 It is an important nuclear fuel Uranium constitutes about two parts per million of Earth’s crust
  • What is Uranium? How Does it Work? - World Nuclear Association
    Uranium is a heavy metal which has been used as an abundant source of concentrated energy for over 60 years Uranium occurs in most rocks in concentrations of 2 to 4 parts per million and is as common in the Earth's crust as tin, tungsten and molybdenum Uranium occurs in seawater, and can be recovered from the oceans
  • What is Uranium? | IAEA - International Atomic Energy Agency
    Uranium is a naturally occurring radioactive element, which has the atomic number of 92 and corresponds to the chemical symbol U in the periodic table It belongs to a special group of elements called “actinides” — elements that were discovered relatively late in history
  • Nuclear Fuel Facts: Uranium - Department of Energy
    Uranium is a silvery-white metallic chemical element in the periodic table, with atomic number 92 It is assigned the chemical symbol U A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons Uranium has the highest atomic weight of all naturally occurring elements
  • Uranium Enrichment: What It Is and Why It Matters
    Uranium enrichment is a pivotal process within the global energy landscape and holds significant geopolitical implications It is a critical step in preparing uranium for use, whether as fuel for
  • Uranium: Facts about the radioactive element that powers nuclear . . .
    Uranium is a radioactive metal central to one of the most devastating acts of war in history On Aug 6, 1945, a 10-foot-long (3 meters) bomb fell from the sky over the Japanese city of
  • Uranium - Element information, properties and uses | Periodic Table
    Element Uranium (U), Group 20, Atomic Number 92, f-block, Mass 238 029 Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images
  • Uranium: what it is, what it is for, types and characteristics
    Uranium is best known for its role in nuclear power generation and nuclear weapons manufacturing, as it is the key element in nuclear fission In addition, it has applications in medicine, scientific research and aerospace technology
  • Uranium (U) Element: History, Properties, Reactions, Uses - Science Info
    Uranium, a metallic chemical element found in the periodic table with atomic number 92 and denoted by the symbol U, displays a silvery-white appearance Each uranium atom is characterized by 92 protons and 92 electrons, including 6 valence electrons Notably, uranium boasts the highest atomic weight among naturally occurring elements





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