Porosity

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Porosity - Used in geology, building science and hydrogeology, the porosity of a porous medium (such as rock or sediment) is the proportion of the non-solid volume to the total volume of material, and is defined by the ratio:

Water content - Water content is a ratio used in hydrogeology and soil mechanics to indicate the amount of water a porous medium contains. In fully saturated groundwater aquifers, all the available pore spaces are filled with water (volumetric water content = porosity).

Hot isostatic pressing - Hot isostatic pressing (HIP) is a manufacturing process used to reduce the porosity of metals. This improves the mechanical properties and increases workability.

Diatomaceous earth - ... Celite, is a naturally occurring, soft, chalk-like, sedimentary rock mineral that is easily crumbled into a fine white to off-white powder. This powder has an abrasive feeling similar to pumice powder and is very light-weight due to its high porosity.


Suggested Web Sites

Value Systems Corporation - UK. Manufactures specialized equipment for the pulp and paper industry. Purpose is measurement and control of on-line porosity and air permeability. Site provides detailed explanation of process and application.

Fischer Technology, Inc. - Manufacturer of thickness, microhardness, conductivity, ferrite content, and porosity testing and measurement instruments.

Nature of Thermal Spray Coatings - Information on thermal spray coatings. Bonding, coating structure, stress, properties and porosity.

Source: BazSites.com

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Adsorption Area Porosity Surface - Adsorption Area Porosity Surface Accessible Surface Area - The Accessible Surface Area (ASA) is the surface area of a biomolecule (protein, DNA, etc.) that is accessible to the solvent. Body surface area - In physiology and medicine, the body surface area (BSA) is the measured or calculated surface of a human body. For many clinical purposes BSA is ...

Adsorption Area Porosity Surface - Adsorption Area Porosity Surface Accessible Surface Area - The Accessible Surface Area (ASA) is the surface area of a biomolecule (protein, DNA, etc.) that is accessible to the solvent. Body surface area - In physiology and medicine, the body surface area (BSA) is the measured or calculated surface of a human body. For many clinical purposes BSA is ...

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