Sentence examples for a static layer of air from inspiring English sources

Passive samplers were developed based on molecular diffusion of gas through a static layer of air with fixed filters impregnated with a specific solution for SO2, NO2, O3 and H2S and used in the following situations: in remote forest area, urban areas with different characteristics – near the sea, with clean ocean air masses coming in and in areas under direct industrial influence.

A passive sampler is a device which is capable of taking air samples at a rate controlled by diffusion through a static layer or permeation through a membrane.

With the water repelled, a thin layer of air is trapped along the abdomen.

This will create a double-walled greenhouse with an insulative layer of air between.

Beneath that coating, a layer of yellow pigment rests on a layer of air.

The bubbles make an effective extra layer of air to keep the cold out.

Air normally cools with altitude, but during an inversion warm air settles above a layer of cool air near the surface.

Wind machines that stir up the air, for example, provide heat when temperature inversions trap cold air under a layer of warm air.

This will leave a thin layer of the air freshener in the ashtray.

Cold air flowing down from the mountains is trapped under a layer of warmer air and acts as a lid.

Mr. Moore said the ice was the result of a layer of warm air that floated atop a colder layer near the ground.