氩 (yà) - Argon — a chemical element (symbol Ar, atomic

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Argon — a chemical element (symbol Ar, atomic number 18), a noble gas that is odorless, colorless, and inert.

Argon — a chemical element (symbol Ar, atomic

Usage highlights

Argon gasArgon arc weldingArgon laserArgon lampArgon atmosphereLiquid argon

Synonyms

Usage & contexts

Examples

  • Argon is used in light bulbs (氩气灯).
  • This welding process uses argon gas (氩弧焊).
  • The atmosphere contains about 0.93% argon (氩气).
  • Argon lasers are used in medical procedures (氩激光).

Collocations

  • Argon gas(氩气)
  • Argon arc welding(氩弧焊)
  • Argon laser(氩激光)
  • Argon lamp(氩灯)
  • Argon atmosphere(氩气氛)
  • Liquid argon(液态氩)

Cultural background

FAQ
  • Discovered in 1894 by Lord Rayleigh and Sir William Ramsay, named from Greek 'argos' meaning 'idle' or 'inactive' due to its chemical inertness.
  • Primarily used in industrial applications like welding, lighting, and as a protective gas in various manufacturing processes.
  • As a noble gas, it symbolizes stability and non-reactivity in scientific contexts.

FAQ