"emission" -
key terms from Wikipedia
broad
emission
lines
carbon
emission
continuum
emission
electron
emission
emission
emission
coefficient
emission
credits
emission
factors
emission
group
emission
levels
emission
limits
emission
line
emission
lines
emission
mix
emission
nebulae
emission
norms
emission
of
greenhouse
gases
emission
pattern
emission
performance
standard
emission
permits
emission
reduction
emission
reductions
emission
regulations
emission
spectroscopy
emission
spectrum
emission
standards
emission
tomography
emission
trading
european
emission
standards
field
electron
emission
ghg
emission
low
emission
zone
mass
emission
norms
mev
alpha
emission
optical
continuum
emission
optical
emission
lines
plasma
emission
spectroscopy
positron
emission
positron
emission
tomography
radio
emission
safety
and
emission
secondary
emission
single
photon
emission
computed
tomography
spontaneous
emission
stimulated
emission
synchrotron
emission
thermal
emission
thermionic
emission
vehicle
emission
standards
zero
emission