Sentence Examples


  • Besides investigating other phenomena connected with a vacuum, he constructed an electrical machine which depended on the excitation of a rotating ball of sulphur; and he made successful researches in astronomy, predicting the periodicity of the return of comets.
  • Manson showed in 1881 that the larvae (Microfilariae) were not at all times present in the blood, but that their appearance had a certain periodicity, and the larvae of F.
  • They, however, show no periodicity, and are found continuously both by day and by night; and their larval forms are termed Microfilaria perstans.
  • The conditions permit of the circulation of the alternating currents of low periodicity, which are used for operating the bells, but in respect of the battery the circuit is open until the subscriber lifts the receiver, when the hook switch, thus released, joins the transmitter with one winding of an induction coil in series across the circuit.
  • The periodicity shows itself in the form of an exacerbation of the still continuing fever, and that exacerbation may take place twentyfour hours after the first onset, or the interval may be only half that period, or it may be double.
 

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