$$ex sen{pi}_{L^{s,infty}(0,T;L^{q,infty}(bR^3))} leq ve_*, eex$$ with $$ex frac{2}{s}+frac{3}{q}=2,quad frac{5}{2}leq qleq 3. eex$$ $$ex sen{ pi}_{L^{s,infty}(0,T;L^{q,infty}(bR^3))} leq ve_*, eex$$ with $$ex frac{2}{s}+frac{3}{q}=3,quad frac{15}{11}leq q<3. eex$$