The mean time to onset of a 12% increase in FEV1 for PROVENTIL HFA Inhalation Aerosol was 7 minutes and the mean time to peak effect was approximately 50 minutes. The mean duration of effect as measured by a 12% increase in FEV1 was 2.3 hours. In some pediatric patients, duration of effect was as long as 6 hours.
The Aztecs were also known as the Tenochca (from which the name for their capital city, Tenochtitlan, was derived) or the Mexica (the origin of the name of the city that would replace Tenochtitlan, as well as the name for the entire country).
Chinampas. The center of Aztec life was the city of TenochtitlÃ¡n. TenochtitlÃ¡n was built in the middle of a lake, and the shores of the lake were occupied by other cities, so the Mexica people didn't have a lot of options when it came to farmland.