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Abstract
Psychrometrics is a subscience of physics dealing with the properties and processes of moist air. Moist air is defined as a mixture of two gases: dry air and water vapour (the gas phase of H2O). Dry air within the troposphere is treated as a nonvarying mixture of nitrogen (78.1 %), oxygen (20.9%), argon (0.9%), and other trace gases, including carbon-dioxide (<0.04%). Some broaden the definition of psychrometrics to cover mixtures of the gas of one substance (any dry gas component) and the condensable vapour of a second substance.
Psychrometrics is a subscience of physics dealing with the properties and processes of moist air. Moist air is defined as a mixture of two gases: dry air and water vapour (the gas phase of H2O). Dry air within the troposphere is treated as a nonvarying mixture of nitrogen (78.1 %), oxygen (20.9%), argon (0.9%), and other trace gases, including carbon-dioxide (<0.04%). Some broaden the definition of psychrometrics to cover mixtures of the gas of one substance (any dry gas component) and the condensable vapour of a second substance.
Date
1/2002
1/2002
Author(s)
Donald P. Gatley
Donald P. Gatley
Page(s)
1-294
1-294
Keyword(s)
crop; moisture; dehydration
crop; moisture; dehydration