water than over ice at the same temperature; it is greater over a convex water surface and smaller over a concave water surface than over a plane water surface. At a temperature of 30°C the saturation vapor pressure does not exceed 42.4 millibars; at 0°C it is 6.1 millibars, and at...
Saturation Pressure of Water Vapor The maximum saturation pressure of the water vapor in moist air varies with the temperature of the air vapor mixture and can be expressed as: pws = e(77.3450 + 0.0057 T - 7235 / T)/ T8.2 (1) where pws = water vapor saturation pressure (Pa) e ...
SATURATION vapor pressureALKALINITYARAGONITECARBONATE mineralsIn the summer of 2005, we sampled surface water and measured pH and total alkalinity (AT) underway aboard IB Oden along the Northwest Passage from Cape Farwell (South Greenland) to the Chukchi Sea. We investigated variabili...
摘要: A discussion of some of the problems involved in computing saturation vapor pressure of water for meteorological applications. Two formulations for saturation vapor pressure in the pure phase over a plane surface of water or ice are considered: the...关键词:...
16.4, the saturation vapor pressure increases nearly exponentially with temperature. This means a significant amount of product water can be removed through the gas phase via reactant flows at normal operating temperatures above 70°C. As a secondary effect, when there is a temperature gradient ...
Where ψm is the matric suction (in kPa), T is the surface tension for water-air interaction (equal to 0.072 N/m at 20 °C), θ is the contact angle between the water-air interface and soil-biochar surface, and d (in m) is the pore diameter. It is clear from Eq. 1 that the...
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Finally, a case is discussed in which surface air temperature is kept to be a constant value and surface air is always saturated with water vapor. In this case the deepening of the surface pressure induces the increase of 胃sw and... Yamasaki,Masanori - 《Journal of the Meteorological Societ...
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A substantially water-tight adherent coating is applied to the surface of the concrete that is exposed to air. Thereafter, the concrete is caused to become saturated with water from a source external to the concrete structure, and this condition of saturation is maintained for a period of time...