Pharaoh definition, meaning, English dictionary, synonym, see also 'Pharaoh ant',Pharaoh's ant',Pharaoh ant',Pharos', Reverso dictionary, English definition, English vocabulary Translation Context
The intake to this ventilation. system must be near the floor. (Chlorine as a gas is. 2.5 times heavier than air.) Exhaust Rate The exhaust system must be able to exchange the air. in the room every three to four minutes.
Therefore, humid air is lighter than dry air. and the water vapour pressure is p, the partial pressure of the dry air component is P - p . weight ratio of the two components, water vapour and dry air is: so, approximately: The heat content, usually called the enthalpy, of air rises with increasing water content.