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smoke
530
44
atmospheric chemistry
23
aurora
23
electron
23
electron density
23
in situ measurement
23
ionization
23
iron hydroxide
23
irradiation
23
manganese oxide
23
mesosphere
23
middle atmosphere
23
nightglow
23
nitric oxide
23
observational method
23
particle size
23
photometer
23
quantitative analysis
23
thermosphere
23
uncertainty analysis
23
wavelength
23
ddc:530
2
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