rtcm: Resource Technology Change Rate Multiplier
Variable
Nonrenewable resource sector
Resource Technology Change Rate Multiplier [Dmnl/year]
rtcm = tabhl ( rtcmt ,1- nrur / drur , -1, 0, 1)

rtcm in the updating graph: ( how to read )
In nodes
drur : desired resource use rate
nrur : resource usage rate
rtcmt : resource technology change mult table
Out nodes
rctcr : resource technology change rate
tabhl
