| air |
The air that we breathe is a mixture of gases. The composition of dry-air at sea level is shown below:
출처: www.ch.ic.ac.uk/vchemlib/mol/glossary/
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| air pollution |
contamination of the atmosphere by the discharge of emissions of undesirable substances and gases, or the formation of these gases from the emissions by chemical reactions in the atmosphere
출처: www.epa.nsw.gov.au/soe/95/28.htm
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| air cell |
The air space between the two shell membranes, usually at the large end of the egg, that can be plainly seen when an egg is candled.
출처: www.urbanext.uiuc.edu/eggs/res02-definitions.html
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| air pump |
A pump which is used to deliver air to the aquarium. The pump pushes air through silicon tubing and to air stones or other aquatic decor. They are also an essential for UGF's (undergravel filters). An airstone is placed in each clear tube. When the air bubbles travel upward, they generate steady current which brings water from the bottom, through the tubes and to the surface.
출처: www.aqualink.com/basic/zglossa.html
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| airway |
The parts of the body involved in moving air into the lungs.
출처: www.chocraniofacial.org/webpages/glossary_a_c.htm
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