Equation Icon  ( ) 1∕3 −10 4πner x−M7∕6+ 0.40x −M17∕12+ 0.5316x −M5∕3 exp(1.8899x M ) = 2.49 × 10 ------ ------------3-------------------, (76 ) B 𝜃eK2 (1∕𝜃e)