Sentence Examples

  • Nb Va Vb FIG.
  • COLUMBIUM, or Niobium (symbol Cb or Nb, atomic weight 94), one of the metallic elements of the nitrogen group, first detected in 1801 by C. Hatchett in a specimen of columbite (niobite) from Massachusetts (Phil.
  • Along CA and DB, on the same side of MN, take MA' = CA, NB' = DB; and join A'B'.
  • SF) The lines MA, NB, PC,..
  • If BN, CP, DQ, FS, GT are the perpen diculars to AE from the angular points, the ordinates NB, PC,..

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