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dysprosia

A rare-earth oxide; white; Dy2O3; isometric; sp gr, 7.81 (at 27 degrees C); and melting point, 2,340+ or -10 degrees C. Used as a nuclear-reactor control-rod component and a neutron-density indicator.

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Penulis

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 poin
  • 100% positive feedback
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