Air Spaces

Some articles on air, air space, air spaces:

NRDS - Pathophysiology
... a material called surfactant, which helps prevent collapse of the terminal air-spaces (the future site of alveolar development) throughout the normal cycle of inhalation and exhalation ... surfactant is packaged by the cell in structures called lamellar bodies, and extruded into the air-spaces ... The lamellar bodies then unfold into a complex lining of the air-space ...
... by a difference in pressure between an air space inside or beside the body and the surrounding fluid ... Barotrauma typically occurs to air spaces within a body when that body moves to or from a higher pressure environment, such as when a SCUBA diver, a free-diving diver or an airplane passenger ... Boyle's law defines the relationship between the volume of the air space and the ambient pressure ...
Subnivean Climate - Deconstructive Metamorphosis
... on the ground the melting and joining of snow flakes reduces the height of snow pack by shrinking air spaces and causing the density and mechanical strength of the snow pack ... insulating property of the snow pack decreases because the air spaces between snowflakes disappear ... As time goes on snow settles compacting air spaces, a process expedited by the packing force of the wind ...

Famous quotes containing the words spaces and/or air:

    Surely, we are provided with senses as well fitted to penetrate the spaces of the real, the substantial, the eternal, as these outward are to penetrate the material universe. Veias, Menu, Zoroaster, Socrates, Christ, Shakespeare, Swedenborg,—these are some of our astronomers.
    Henry David Thoreau (1817–1862)

    He who will one day teach men to fly will have displaced all boundary stones; the boundary stones themselves will fly up into the air to him, and he will rebaptize the earth—as “the weightless.”
    Friedrich Nietzsche (1844–1900)