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tantalum 音标拼音: [t'æntələm]

XDict

n. 金属元素,符号Ta,原子序83

PyDict

金属元素,符号Ta,原子序83

Taiwan MOE computer dictionary (moecomp)

tantalum
钽 TA

Network Terminology (netterm)

tantalum
钽

WordNet (r) 3.0 (2006) (WordNet)

tantalum
n 1: a hard grey lustrous metallic element that is highly
resistant to corrosion; occurs in niobite and fergusonite
and tantalite [synonym: {tantalum}, {Ta}, {atomic number 73}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Tantalum \Tan"ta*lum\, n. [NL. So named on account of the
perplexity and difficulty encounterd by its discoverer
(Ekeberg) in isolating it. See {Tantalus}.] (Chem.)
A rare nonmetallic element found in certain minerals, as
tantalite, samarskite, and fergusonite, and isolated as a
dark powder which becomes steel-gray by burnishing. Symbol
Ta. Atomic weight 182.0. Formerly called also {tantalium}.
[1913 Webster]

The Elements Database (element)

tantalum
Symbol: Ta
Atomic number: 73
Atomic weight: 180.948
Heavy blue-grey metallic transition element. Ta-181 is a stable isotope,
and Ta-180 is a radioactive isotope, with a half-life in excess of 10^7
years. Used in surgery as it is unreactive. Forms a passive oxide layer
in
air. Identified in 1802 by Ekeberg and isolated in 1820 by Jons J.
Berzelius.

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Tantalum - Wikipedia
Tantalum is a chemical element; it has symbol Ta and atomic number 73 It is named after Tantalus, a figure in Greek mythology [11] Tantalum is a very hard, ductile, lustrous, blue-gray transition metal that is highly corrosion-resistant It is part of the refractory metals group, which are widely used as components of strong high-melting-point alloys It is a group 5 element, along with
Tantalum | Rare Earth Element, Uses in Electronics Alloys | Britannica
Tantalum (Ta), chemical element, bright, very hard, silver-gray metal of Group 5 (Vb) of the periodic table, characterized by its high density, extremely high melting point, and excellent resistance to all acids except hydrofluoric at ordinary temperatures Closely associated with niobium in ores
Tantalum - Element information, properties and uses | Periodic Table
Tantalum causes no immune response in mammals, so has found wide use in the making of surgical implants It can replace bone, for example in skull plates; as foil or wire it connects torn nerves; and as woven gauze it binds abdominal muscle It is very resistant to corrosion and so is used in equipment for handling corrosive materials
Tantalum Facts, Symbol, Discovery, Properties, Uses
What is tantalum, element properties (what does it look like, melting point, atomic mass, atomic number, electron configuration), what is it used for, price
Tantalum Mining: What, Where, and How - samaterials. com
Tantalum is a scarce, resilient metal that has a high melting point, is resistant to corrosion, and is a good conductor—qualities that make it vital for use in capacitors, semiconductors, and aerospace alloys But where does it originate, and how is it acquired? This piece provides answers to four fundamental questions: What is tantalum? Where is it mined? How is it extracted and processed
Tantalum: Definition, Characteristics, Properties, and Applications
Tantalum is a rare, hard, and very dense elemental metal with a lustrous, gray-blue silver appearance Learn more about it here
What Is Tantalum Used For? A Complete Guide - rapmaf. com
Learn what tantalum is used for, from capacitors in phones to jet engines and medical implants Our expert guide covers its properties, cost, and ethical issues
Tantalum Element Facts – Ta or Atomic Number 73
Tantalum is a chemical element with the symbol Ta and atomic number 73 It is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant
Tantalum: Element Properties and Uses - samaterials. com
Tantalum, a rare metal with exceptional chemical and physical properties, is prized for its corrosion resistance and vital role in electronics and industry
Tantalite - Wikipedia
The mineral group tantalite [ (Fe, Mn) Ta 2 O 6] is the primary source of the chemical element tantalum, a corrosion (heat and acid) resistant metal It is chemically similar to columbite, and the two are often grouped together as a semi-singular mineral called coltan or "columbite-tantalite" in many mineral guides However, tantalite has a much greater specific gravity than columbite (8 0

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