Equation Icon  [ ] δC 1 + σC 1 ∑ p2 ( 1 + σ )2 U0,coating = ---2----------- -s2J0(ζs)2 (1 − 2σC )Δ2s + ------- X2s (8.153 ) 2πa 1 − σC YC s Δ s 1 + σC