curve of amount of baits
desorption amount of gas
gas genernration amount
gushing out amount of gas
list of amount of projects
the amount of gas desorption
the amount of gas emission
the amount of gas emitting
the amount of gas evolution
the amount of gas evolution from the coating
the amount of gas production
co-genernation of gas-heat-electricity
comparision of quantity of electricity
control of gas of sedimentary fac ies