The phrase "a thin layer of air" is correct and usable in written English.
It can be used to describe a small, delicate amount of air in various contexts, such as scientific discussions or descriptive writing.
Example: "The atmosphere consists of a thin layer of air that surrounds the Earth, providing essential conditions for life."
Alternatives: "a slight film of air" or "a narrow stratum of air."
With the water repelled, a thin layer of air is trapped along the abdomen.
Individual fire ants, when dropped in water, struggle and flail, but a close inspection reveals a thin layer of air clinging to the swimmer.
However, Couder says that when a droplet falls onto the surface, it traps a thin layer of air beneath it and this stops it coalescing immediately.
Wetting of the body during submersion is prevented by a thin layer of air trapped by the fine, dense, water-repellent (hydrofuge) pile that covers the insect.
The entire outer layer of the device consists of hundreds of these cells (see photo)—which means, intriguingly, that its true "outer edge" is actually a thin layer of air.
To escape from seals underwater, the birds release trapped air bubbles which form a thin layer of air around their plumage, reducing friction.At the moment these ideas exist as pilot projects or in the laboratory, but not commercially.
Soon, the weather licked at us and the pilot was forced to circle down a thousand feet into a thin layer of clear air above an exuberant stream.
This will leave a thin layer of the air freshener in the ashtray.
An atmospheric scientist at the University of Washington has now reported a different inversion-related phenomenon, one that may best be described as a clean air sandwich -- a thin layer of stable, clean air trapped between two polluted ones.
We suppose that the velocity of the thin layer of air is to vary after a tiny time dt after collision and the displacement of this layer is dx away from the windward side along x-axis within another tiny time dt.
The Science News breaks it down, reporting that "in drag crisis, the thin layer of air surrounding the ball flips between turbulent and smooth flow, abruptly changing the drag forces on the ball.
