The phrase "air in the form of" is correct and usable in written English.
It can be used when describing air that has taken on a specific state or condition, often in scientific or technical contexts.
Example: "The experiment demonstrated how air in the form of a gas can be compressed into a liquid state under high pressure."
Alternatives: "air as a gas" or "air in gaseous form".
This is achieved through the introduction of air in the form of porosity.
When such a forest is cut, he said, almost all of that stored carbon is eventually returned to the air in the form of carbon dioxide.
Biochar is made largely of carbon, which the crops or trees previously sucked out of the air in the form of CO2.
It is now thought that the flash of the initial explosion still exists in the air, in the form of radio waves.
Ancient legendary tales, historical events, classical solo songs, and musical debates are elaborately staged in the open air in the form of operas, operettas, and dramas.
Increased melting is visible from the air in the form of a "melt pit," or ice caldron; the caldron's growth indicates how much heat is being released from the volcano.
A year in which Britney rides the highs and lows of stardom: she branches out into the movie industry with Crossroads, she opens an American bistro, her relationship with Justin Timberlake creaks to a close (not to mention the break-up's public airing in the form of Justified's Cry Me a River).
More recently, the actor has found new ground in Bel-Air in the form of a ranch house overlooking Stone Canyon Reservoir.
Gross barotrauma resulting in extraparenchymal air in the forms of pneumothorax, pneumomediastinum, or subcutaneous emphysema are obvious examples of the detrimental effects of mechanical ventilation [ 4].
It may be deduced that the presence of thin water films on the walls surrounding large pores and large volumes of air in their central parts during an imbibition process resulted in residual air being in the form of connected, pore-network scale air globules in interconnected pores.
Often, this cold air is in the form of a slow, steady breeze of frigid air and it can freeze pipes running through these spaces.
