鎝 (dā) - Technetium — a chemical element with atomic number & symbol Tc

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Technetium — a chemical element with atomic number 43;

symbol Tc;

a synthetic, radioactive metallic element.

Technetium — a chemical element with atomic numbersymbol Tca synthetic, radioactive metallic element.

Usage highlights

TechnetiumTechnetium compoundRadioactive technetiumTechnetium generatorMedical technetium
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Usage & contexts

Examples

  • Technetium is used in medical imaging (鎝-99m imaging).
  • It was the first artificially produced element (人工合成元素).
  • Technetium compounds have various applications (鎝化合物).

Collocations

  • Technetium-99m(鎝-99m)
  • Technetium compound(鎝化合物)
  • Radioactive technetium(放射性鎝)
  • Technetium generator(鎝发生器)
  • Medical technetium(医用鎝)

Cultural background

FAQ
  • Technetium was the first element to be produced synthetically in 1937.
  • Its name comes from the Greek word 'technetos' meaning artificial.
  • Technetium-99m is widely used in nuclear medicine for diagnostic imaging.

FAQ