.
"" .
"SDN:P07::CF12N701" .
"SDN:P07::CF12N701" .
"SDN:P07::CF12N701" .
.
"2009-07-06 15:41:29.0" .
.
.
.
.
"2009-07-06 15:41:29.0" .
"1" .
"false" .
.
"tendency_of_atmosphere_moles_of_ethene"@en .
"accepted"@en .
"1" .
.
"\"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 ethene is C2H4. Ethene 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 .