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
248026查看　248026　在百度字典中的解释百度英翻中〔查看〕
248026查看　248026　在Google字典中的解释Google英翻中〔查看〕
248026查看　248026　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:


  • BO1, BO2, MW3, WaW redefined. - Plutonium Project
    The Plutonium Project is a CoD mod that aims to improve upon your favorite games
  • Plutonium - Wikipedia
    Plutonium is the element with the highest atomic number known to occur in nature Trace quantities arise in natural uranium deposits when uranium-238 captures neutrons emitted by decay of other uranium-238 atoms
  • Plutonium | Radioactive Element, Nuclear Fuel | Britannica
    Plutonium (Pu), radioactive chemical element of the actinoid series of the periodic table, atomic number 94 It is the most important transuranium element because of its use as fuel in certain types of nuclear reactors and as an ingredient in nuclear weapons
  • What is Plutonium? | Nuclear Regulatory Commission - NRC
    Plutonium has five "common" isotopes, Pu-238, Pu-239, Pu-240, Pu-241, and Pu-242 All of the more common isotopes of plutonium are "fissionable"—which means the atom's nucleus can easily split apart if it is struck by a neutron
  • Periodic Table of Elements: Los Alamos National Laboratory
    Plutonium is the heaviest primordial element in existence by virtue of its most stable isotope, plutonium-244, whose half-life of about 80 million years is just long enough for the element to be found in trace quantities in nature
  • Plutonium - World Nuclear Association
    Plutonium is the principal fuel in a fast neutron reactor, and in any reactor it is progressively bred from non-fissile U-238 that comprises over 99% of natural uranium Plutonium has occurred naturally, but except for trace quantities it is not now found in the Earth's crust
  • Radionuclide Basics: Plutonium - US EPA
    Plutonium (chemical symbol Pu) is a silvery-gray, radioactive metal that becomes yellowish when exposed to air Plutonium is considered a man-made element, although scientists have found trace amounts of naturally occurring plutonium produced under highly unusual geologic circumstances
  • Plutonium | Radiation Emergencies | CDC
    Plutonium is a solid material made into rods for use in nuclear reactors and into ceramic buttons for satellite systems Plutonium is a silvery-gray metal that becomes yellowish when exposed to air Most plutonium in the environment is in the form of microscopic particles
  • Login to your account | Plutonium
    Plutonium offers a unique Black Ops 2, Black Ops 1, Modern Warfare 3 and World At War experience
  • Plutonium. info: The Definitive Scientific Resource
    Authoritative overview of Plutonium (Pu): properties, isotopes, discovery timeline, applications in space and energy, and safety environmental considerations





中文字典-英文字典  2005-2009