请参考WHO无菌GMP指南,Annex 6
WHO good manufacturing practices for sterile
pharmaceutical products:
Unidirectional airfl ow systems should
provide a homogeneous air speed of 0.36–0.54 m/s (guidance value) at a
defi ned test position 15–30 cm below the terminal fi lter or air distributor
system. The velocity at working level should not be less than 0.36 m/s.