. . . "tendency_of_atmosphere_moles_of_butane"@en . "SDN:P07::CF12N689" . "1" . . "false" . "2009-07-06 15:41:29.0" . . . "SDN:P07::CF12N689" . "accepted"@en . "1" . "" . . "2009-07-06 15:41:29.0" . "\"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 butane is C4H10. Butane is a member of the group of hydrocarbons known as alkanes. There are standard names for the alkane group as well as for some of the individual species."@en . . "SDN:P07::CF12N689" .