Studies on air infiltration rates in Australia have been few. One study measured 'natural' infiltration rates in unoccupied houses in Melbourne and found that background infiltration rates were 0.33 air exchanges per hour (ACH) (Biggs et. al.1987).ata. Studies on air infiltration rates in Australia have been few. One study measured 'natural' infiltration rates in unoccupied houses in Melbourne and found that background infiltration rates were 0.33 air exchanges per hour (ACH) (Biggs et. al. 1987).
Doctor of Osteopathic Medicine (D.O. or DO) is a professional doctoral degree for physicians and surgeons offered by medical schools in the United States.
Definition. Ophthalmologist-Doctor of Medicine (D.O. or M.D.) - branch of medicine concerned with the diseases and surgery of visual pathways. Optometrist-Doctor of Optometry (O.D.) - eye care profession concerned with vision, eye health and function of visual pathways.