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Livres Livres 1 - 5 sur 5 pour ... the ratio of the molecular weight of water vapor to that of dry air....
" ... the ratio of the molecular weight of water vapor to that of dry air... "
Wave Propagation and Scattering in Random Media - Page 525
de Akira Ishimaru - 1999 - 600 pages
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An Introduction to Atmospheric Radiation

Kuo-Nan Liou - 2002 - 583 pages
...humidity can be expressed in terms of the saturation vapor pressure as follows: q, = —, (8.4.2) P where the ratio of the molecular weight of water vapor to that of dry air, e, is 0.622, and p is the air pressure. Based on the conservation of the Gibbs function during...
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Phytoremediation: Transformation and Control of Contaminants

Steven C. McCutcheon, Jerald L. Schnoor - 2004 - 1024 pages
...per meter: ; is the psychrometric constant in kilopascals per C equal to cpI^/O000e>.l, in which : is the ratio of the molecular weight of water vapor to that of dry air or 0.622: and '\ is the surface resistance of the land cover in seconds per meter that also...
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Forest Hydrology: An Introduction to Water and Forests

Mingteh Chang - 2002 - 392 pages
...calculated by: !_^ where cp = the specific heat of air at constant pressure, cal g"1 °C-1, 0.622 = the ratio of the molecular weight of water vapor to that of dry air Pa = the atmospheric pressure in mb Lv = the latent heat of vaporization in cal g 1 (Equation...
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Hydrology of the Hawaiian Islands

Leung-Ku Stephen Lau, John Francis Mink - 2006 - 274 pages
...specific heat of moist air, taken to be 1.005 kJ/kg/°C; p is the atmospheric pressure (101.3 kPa); e is the ratio of the molecular weight of water vapor to that for dry air, being 0.622; and Dv is the molecular diffusion constant. The conventional approach to...
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Sensible Heat Flux Measurements Near a Cold Surface

...written as 1 /01\ (21) and = 0.622 p 2 where e and £> are vapor pressure in millibars. The value of 0.622 is the ratio of the molecular weight of water vapor to that of air. Therefore, by determining the gradients of mean wind speed, temperature, and specific humidity and...
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