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aluminum    音标拼音: [əl'umənəm]
n. 铝

铝

aluminum
铝

aluminum
n 1: a silvery ductile metallic element found primarily in
bauxite [synonym: {aluminum}, {aluminium}, {Al}, {atomic number
13}]

Aluminum \A*lu"mi*num\ ([.a]*l[=u]*m[i^]*n[u^]m), n.
The metallic element forming the base of alumina. This metal
is white, but with a bluish tinge, and is remarkable for its
resistance to oxidation, and for its lightness, having a
specific gravity of about 2.6. Atomic weight 27.08. Symbol
Al. Also called {aluminium}.
[1913 Webster PJC]

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  • Aluminium - Wikipedia
    Aluminium is found on Earth primarily in rocks in the crust, where it is the third-most abundant element after oxygen and silicon, rather than in the mantle, and virtually never as the free metal It is obtained industrially by mining bauxite, a sedimentary rock rich in aluminium minerals
  • Aluminum | Uses, Properties, Compounds | Britannica
    aluminum (Al), chemical element, a lightweight silvery white metal of main Group 13 (IIIa, or boron group) of the periodic table Aluminum is the most abundant metallic element in Earth ’s crust and the most widely used nonferrous metal
  • Aluminium - Simple English Wikipedia, the free encyclopedia
    Aluminium is a very good conductor of electricity and heat It is light and strong It can be hammered into sheets (malleable) or pulled out into wires (ductile) It is a highly reactive metal, although it is corrosion resistant
  • Aluminum Statistics and Information | U. S. Geological Survey
    Statistics and information on the worldwide supply of, demand for, and material flow of aluminum Aluminum is the second most abundant metallic element in the Earth's crust after silicon, yet it remains a relatively new industrial metal with just over a century of commercial production
  • Aluminum, the Miracle Metal | The Aluminum Association
    Aluminum is one of the most energy efficient and sustainable building materials, helping builders gain LEED certification Modern air and space flight would not be possible without the development of lightweight but high strength aluminum alloys
  • Aluminium alloy - Wikipedia
    Aluminium alloys are widely used in engineering structures and components where light weight or corrosion resistance is required [1] Alloys composed mostly of aluminium have been very important in aerospace manufacturing since the introduction of metal-skinned aircraft
  • What Is Aluminum? - Earth. com
    Aluminum is a good thermal and electrical conductor It is a lightweight metal, having about one-third the density and stiffness of steel It is ductile and malleable, which means it can be easily machined, cast, and extruded Under normal circumstances, aluminiumis not soluble in water or alcohol
  • The Aluminum Association
    As one of the few materials listed on every government critical minerals list, aluminum is vital to the products, infrastructure and technologies that power America, from fighter jets and the cars we drive to the power grid, packaging and advanced manufacturing
  • Aluminum (Al) - Periodic Table
    Aluminum has thirteen protons and fourteen neutrons in its nucleus, and thirteen electrons in three shells It is located in group thirteen, period three and block p of the periodic table Silvery-white lustrous metallic element of group 3 of the periodic table
  • Aluminum: occurrence, uses, and compounds | Britannica
    Aluminum was first isolated in 1825, became commercially available in the late 19th century, and is now the most widely used metal after iron Its surface oxidizes at once to a hard, tough film, deterring further corrosion





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