Equation Icon  | TH ∂TH ∕∂r+ | Tϕ = Tlim→0 Ωext−-Ω---= − ∂Ω--∕∂r--|| , (60 ) H J J J + r+=r|ext ----TH------ -∂TH-∕∂r+--|| Te,m = TlHim→0 Φext − Φ = − ∂Φ ∕∂r | , (61 ) e,m e,m e,m + r+=rext