Sentence Examples

  • This will be composed of a conduction and a convection current, the latter due to rising or falling air currents carrying ions.
  • As to the convection current, Gerdien supposes-as in § 25-p =2-7 X 10° electrostatic units, and on fine days puts the average velocity of rising air currents at 10 cm.
  • This gives a convection current of 2.7 X108 electrostatic units, or about 1/27 of the conduction current.
  • Gerdien's estimate of the convection current is for fine weather conditions.
  • Wilson considers that convection currents in the upper atmosphere would be quite inadequate, but conduction may, he thinks, be sufficient alone.

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