In a population of constant size the birth rate is the number of births per person-year lived and the average duration of life is the number of person-years lived per birth (Scientific American).
Useful english dictionary. 2012.
Per Teodor Cleve — (Stockholm February 10, 1840 ndash; Uppsala June 18, 1905) was a Swedish chemist and geologist.After graduating from the Stockholm Gymnasium in 1858, Cleve matriculated at the University of Uppsala in May 1858, where he received his Ph.D. in 1863 … Wikipedia
per cent — (esp. BrE) (AmE usually percent) noun VERB + PER CENT ▪ account for, amount to, be equal to, comprise, constitute, equal, represent ▪ Overseas earnings accounted for 9% of th … Collocations dictionary
Son Sant Joan Airport — Infobox Airport name = Palma de Mallorca Airport nativename = Aeropuerto de Palma de Mallorca image width = caption = IATA = PMI ICAO = LEPA type = Public and military owner = operator = Aena city served = location = Palma de Mallorca, Spain… … Wikipedia
Per-Ulrik Johansson — Per Ulrik Johansson … Wikipédia en Français
Son River — This is about the river in India, for a river in Vietnam, see Son River (Vietnam) The Son River or Sone of central India is the largest of the Ganges southern tributaries. The Son originates in Chhattisgarh state, just east of the headwaters of… … Wikipedia
Son Bonet Aerodrome — was the first civil airfield on Mallorca. Originally built during the 1920s as an alternative to the military airport at Son Sant Joan, the first commercial flight was in 1927 and a flying school established in 1935. The airfield is located in… … Wikipedia
Tan Son Nhat International Airport — Infobox Airport name = Tan Son Nhat International Airport nativename = Cảng Hàng không Quốc tế Tân Sơn Nhất image width = 240 IATA = SGN ICAO = VVTS type = Public owner = Vietnamese government operator = Southern Airports Corporation city served … Wikipedia
New Year's Revolution — WWE New Year s Revolution WWE New Year s Revolution était un pay per view de la World Wrestling Entertainment exclusif à la division RAW et qui se déroulait de 2005 à 2007 au mois de janvier. Une nouvelle édition de ce pay per view était prévue… … Wikipédia en Français
WWE New Year's Revolution — était un pay per view de la World Wrestling Entertainment exclusif à la division RAW et qui se déroulait de 2005 à 2007 au mois de janvier. Une nouvelle édition de ce pay per view était prévue pour 2008 mais elle a été annulée pour des raisons… … Wikipédia en Français
God's Son — Not to be confused with God the Son or Son of God. God s Son … Wikipedia
