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tungsten    音標拼音: [t'ʌŋstən]
n. 鎢,鎢錳鐵礦,金屬元素

鎢,鎢錳鐵礦,金屬元素

tungsten
n 1: a heavy grey-white metallic element; the pure form is used
mainly in electrical applications; it is found in several
ores including wolframite and scheelite [synonym: {tungsten},
{wolfram}, {W}, {atomic number 74}]

Tungsten \Tung"sten\ (t[u^]ng"st[e^]n), n. [Sw. tungsten (cf.
Dan. tungsteen, G. tungstein); tung heavy (akin to Dan. tung,
Icel. [thorn]ungr) sten stone. See {Stone}.]
1. (Chem.) A rare element of the chromium group found in
certain minerals, as wolfram and scheelite, and isolated
as a heavy steel-gray metal which is very hard and
infusible. It has both acid and basic properties. When
alloyed in small quantities with steel, it greatly
increases its hardness. Symbol W (Wolframium). Atomic
weight, 183.6. Specific gravity, 18.
[1913 Webster]

2. (Min.) Scheelite, or calcium tungstate. [Obs.]
[1913 Webster]

{Tungsten ocher}, or {Tungstic ocher} (Min.), tungstite.
[1913 Webster]

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  • Tungsten - Wikipedia
    It is a metal found naturally on Earth almost exclusively in compounds with other elements It was identified as a distinct element in 1781 and first isolated as a metal in 1783 Its important ores include scheelite and wolframite, the latter lending the element its alternative name
  • Tungsten e-Invoice Network
    Not part of the Tungsten e-Invoice Network yet? Register
  • Tungsten | Uses, Properties, Facts | Britannica
    tungsten (W), chemical element, an exceptionally strong refractory metal of Group 6 (VIb) of the periodic table, used in steels to increase hardness and strength and in lamp filaments
  • Tungsten - Element information, properties and uses | Periodic Table
    Tungsten has the highest melting point of all metals and is alloyed with other metals to strengthen them Tungsten and its alloys are used in many high-temperature applications, such as arc-welding electrodes and heating elements in high-temperature furnaces
  • Tungsten Facts – W or Atomic Number 74 (Wolfram)
    Tungsten is a chemical element with the symbol W and atomic number 74 that stands out for its remarkable properties, especially its extreme melting point The name ‘tungsten’ comes from the Swedish words “tung sten”, meaning “heavy stone”
  • Tungsten Facts, Symbol, Discovery, Properties, Uses
    Tungsten (pronunciation TUNG-sten [2]), represented by the chemical symbol or formula W [1], is a hard, brittle element belonging to the family of transition metals [3]
  • Tungsten Metal – Properties, Uses, and Industrial Applications
    Learn what tungsten is, its unique physical properties, and how it's used across industries—from aerospace and machining tools to medical imaging, electronics, and more
  • Trump’s Critical Minerals Security Push Targets Tungsten
    Tungsten may not roll off of the tongue, or sound as alluring as rare earths, but the obscure metal is known for its density and exceptionally high melting point—making it a key component in
  • 10 Tungsten Facts - W or Atomic Number 74 - ThoughtCo
    Key Takeaways Tungsten has the highest melting point of all metals and is very strong and dense Tungsten was discovered by isolating it from wolframite ore and has many important uses today Most of the world's tungsten comes from China, but other countries also have significant deposits
  • Understanding Tungsten: Properties, Uses, and Applications
    Dive deep into the world of tungsten, a remarkable chemical element known for its high melting point and diverse applications Learn about its properties, history, industrial and medical uses, as well as its importance in everyday life and biological systems





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