combustion products combustion 10 flueways 7 simulation and modelling 7 filtration of flue gases 6 filters of solid particles 6 diesel engines 6 more ... air pollution 6 car motors 5 carbon dioxide 5 gases 5 biomass 4 abstersion of flue gases 4 absorption spectroscopy 3 analysis of gases 3 photometry 3 automation 2 power station wastes 2 fluid boilers 2 imissions 2 chimneys 2 measurement 2 environment protection 2 reduction 2 internal combustion motors 2 civil engineering 2 technical standards 2 environmental pollution 2 cleaning 2 aerodispersive systems 1 less ...