"1" . "SDN:P07::CF12N739" . "accepted"@en . "2009-07-06 15:41:29.0" . "1" . . . . . . "false" . . "2009-07-06 15:41:29.0" . "SDN:P07::CF12N739" . "\"tendency_of_X\" means derivative of X with respect to time. The construction \"atmosphere_moles_of_X\" means the total number of moles of X in the entire atmosphere, i.e. summed over the atmospheric column and over the entire globe. The chemical formula for propene is C3H6. Propene is a member of the group of hydrocarbons known as alkenes. There are standard names for the alkene group as well as for some of the individual species."@en . "SDN:P07::CF12N739" . . "tendency_of_atmosphere_moles_of_propene"@en . "" . .