emission level of a disturbance source
emission coefficient of nitrogen and phosphorous
emission characteristics of fluorine emission
emission amount of SO 2
Efficiency of field electron emission
effect of gas emission reduction
effect evaluation of emission reduction
effect evaluation of CO2 emission reduction
Double line of atomic emission spectroscopy
Distribution pattern of N2O emission
deterioration of emission
designation of emission
Design of smoke emission
degradation of the emission current
decrease of CO2 emission