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AL    音标拼音: ['æl]
Al
n 1: a silvery ductile metallic element found primarily in
bauxite [synonym: {aluminum}, {aluminium}, {Al}, {atomic number
13}]
2: a state in the southeastern United States on the Gulf of
Mexico; one of the Confederate states during the American
Civil War [synonym: {Alabama}, {Heart of Dixie}, {Camellia
State}, {AL}]

Al \Al\, a.
All. [Obs.] --Chaucer.
[1913 Webster]


Al \Al\, n. (Chem.)
the chemical symbol for aluminum.
[PJC]


Al \Al\ conj.
Although; if. [Obs.] See {All}, conj.
[1913 Webster]


al- \al-\ prefix.
(a) [AS. eal.] All; wholly; completely; as, almighty, almost.
(b) [L. ad.] To; at; on; -- in OF. shortened to a-. See
{ad-}.
(c) The Arabic definite article answering to the English the;
as, Alkoran, the Koran or the Book; alchemy, the
chemistry.
[1913 Webster]

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  • 铝（金属元素）_百度百科
    铝（Aluminium）是一种 金属元素， 元素符号 为Al，原子序数为13。 其 单质 是一种银白色轻金属。 有 延展性。 商品常制成棒状、片状、箔状、粉状、带状和丝状。 在潮湿空气中能形成一层防止 金属腐蚀 的 氧化膜。
  • 铝 - 维基百科，自由的百科全书
    剩下的铝同位素都有 放射性。 其中最稳定的是 26 Al：虽然它与稳定的 27 Al一起存在于形成太阳系的星际介质中，也是可以通过 恒星核合成 产生的，但它的 半衰期 只有717000年，因此自行星形成以来，铝-26就全部衰变了。
  • Alabama Local News, Breaking News, Sports Weather
    Get the latest Alabama news, sports, and breaking updates View daily weather and top stories from Birmingham, Huntsville, Montgomery, and beyond on al com
  • Aluminum | Al (Element) - PubChem
    Bauxite is an ore that contains a large amount of aluminum hydroxide (Al 2 O 3 ·3H 2 O), along with other compounds Karl Joseph Bayer, an Austrian chemist, developed this process in 1888 The Hall-Héroult and Bayer processes are still used today to produce nearly all of the world's aluminum
  • AL中文 (简体)翻译：剑桥词典 - Cambridge Dictionary
    AL 在英语-中文（简体）词典中的翻译 AL Add to word list written abbreivation for the US state of Alabama: used in addresses
  • Aluminium - Element information, properties and uses | Periodic Table
    Aluminium is used in a huge variety of products including cans, foils, kitchen utensils, window frames, beer kegs and aeroplane parts This is because of its particular properties It has low density, is non-toxic, has a high thermal conductivity, has excellent corrosion resistance and can be easily cast, machined and formed It is also non-magnetic and non-sparking It is the second most
  • （Al）铝（一） - 知乎 - 知乎专栏
    铝是一种金属，有光泽，呈银白色，在 元素周期表 中排13位，电子排布式为 [Al] 3 s 2 3 p 1 ，化合价有0价、+1价、+2价、+3价（ A l 2 O 3 ）等。
  • Aluminum | Uses, Properties, Compounds | Britannica
    Aluminum, or aluminium (Al), is a silvery white metal with a melting point of 660 °C (1,220 °F) and a density of 2 7 grams per cubic cm The most abundant metallic element, it constitutes 8 1 percent of Earth ’s crust In nature it occurs chemically combined with oxygen and other elements
  • Chemistry of Aluminum (Z=13) - Chemistry LibreTexts
    Aluminum sulfate, Al 2 (SO 4) 3 ·18H 2 O is a very useful aluminum compound, made from the oxide and sulfuric acid One use of this salt is in the dyeing of cotton fabrics
  • Aluminium - Wikipedia
    Essentially all aluminium now in existence is 27 Al 26 Al was present in the early Solar System with abundance of 0 005% relative to 27 Al but its half-life of 728,000 years is too short for any original nuclei to survive; 26 Al is therefore extinct [66]





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