Water Content

Water content or moisture content is the quantity of water contained in a material, such as soil (called soil moisture), rock, ceramics, fruit, or wood. Water content is used in a wide range of scientific and technical areas, and is expressed as a ratio, which can range from 0 (completely dry) to the value of the materials' porosity at saturation. It can be given on a volumetric or mass (gravimetric) basis.

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Other articles related to "water, water content, content":

Coulometry - Applications - Karl Fischer Reaction
... The Karl Fischer reaction uses a coulometric titration to determine the amount of water in a sample ... It can determine concentrations of water on the order of milligrams per liter ... It is used to find the amount of water in substances such as butter, sugar, cheese, paper, and petroleum ...
Moisture Sorption Isotherm
... At equilibrium, the relationship between water content and equilibrium humidity of a material can be displayed graphically by a curve, the so called moisture sorption isotherm ... each humidity value, a sorption isotherm indicates the corresponding water content value at a given, constant temperature ... The relationship between water content and water activity (aw) is complex ...
Pedotransfer - History
... They determined the wilting coefficient, which is defined as percentage water content of a soil when the plants growing in that soil are first reduced to a wilted condition from which they cannot ... They explored relationships between texture classes and available water capacity, which are now known as class PTFs ... field capacity, permanent wilting point, available water content, and air capacity as a function of textural class, and as well as deriving continuous functions estimating these soil-water properties ...
Enchytraeus Buchholzi - Grindal Worms
... Water loss and food were replenished if necessary during the test period ... For two moisture levels (5% and 20% water content) the segment number of the surviving adults was counted ... From 20% up to 40% water content Enchytraeus buchholzi showed no significant difference in reproduction ...
Water Content - ==
... In soil science, hydrology and agricultural sciences, water content has an important role for groundwater recharge, agriculture, and soil chemistry ... efforts have aimed toward a predictive-understanding of the moisture content over space and time ... have revealed generally that spatial variance in water content tends to increase as overall wetness increases in semiarid regions, to decrease as overall wetness increases in humid regions, and to peak under ...

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