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cacophonous    
a. 发音不和谐的,粗腔横调的

发音不和谐的,粗腔横调的

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  • 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
    The various isotopes of plutonium have been used in a number of applications Plutonium-239 contains the highest quantities of fissile material, and is notably one of the primary fuels used in nuclear weapons
  • 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
  • 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
  • A History of Plutonium | Los Alamos National Laboratory
    Discover plutonium's fascinating history and unique chemical properties, from atomic bombs to nuclear power, space exploration, and the Mars rover
  • Plutonium - Element information, properties and uses | Periodic Table
    Plutonium was used in several of the first atomic bombs, and is still used in nuclear weapons The complete detonation of a kilogram of plutonium produces an explosion equivalent to over 10,000 tonnes of chemical explosive Plutonium is also a key material in the development of nuclear power
  • Plutonium. info: The Definitive Scientific Resource
    Authoritative overview of Plutonium (Pu): properties, isotopes, discovery timeline, applications in space and energy, and safety environmental considerations





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