[Hygienic assessment of the means of heating the incoming air of hot air heating systems involving mixing the air with the combustion products of natural gas].
D002245:Carbon Dioxide / Q000032:analysis*; D005557:Formaldehyde / Q000032:analysis*; D005579:Fossil Fuels; D005740:Gases; D006361:Heating; D009584:Nitrogen / Q000032:analysis*; D010087:Oxides / Q000032:analysis*
D005579:Fossil Fuels; D005740:Gases; D010087:Oxides; D002245:Carbon Dioxide; D005557:Formaldehyde; D009584:Nitrogen
Gigienicheskaia otsenka sposoba nagreva pritochnogo vozdukha dlia tselei vozdushnogo otopleniia putem smesheniia ego s produktami sgoraniia prirodnogo gaza.