Equation Icon  { [ ] } η1xc 3η1 3−(η3+1) − (3𝜃e)−(η3+1) fbr,C = fbr η1 − -3𝜃--− ----------η--+-1----------- (77 ) e 3 fsynch,C = fsynch[η1 − η2 (xc∕𝜃e)η3]. (78 )