Furthermore, the sedimentation experiment showed the good effect of the ultrafine cefradine suspension.This would find wide applications in ultrafine cefradine injection and suspension in future.

• 超细头孢拉定混悬剂也显示了很好的沉降效果，说明超细头孢拉定在注射剂和混悬剂两种剂型上有很好的应用前景。