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天火字典

英日字典: atomic_number_72

atomic number 72   (TTS Sound)


The atomic_number_72 has 1 Senses.

  • atomic number 72, hf, hafnium
  • ハフニウム
  • a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
  • 化学的にジルコニウムに類似し、ジルコニウム鉱物中で見つかる灰色の四価の金属元素

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