- المجال: Earth science
- Number of terms: 26251
- Number of blossaries: 0
- Company Profile:
An international scientific society that fosters the transfer of knowledge and practices to sustain global soils. Based in Madison, WI, and founded in 1936, SSSA is the professional home for 6,000+ members dedicated to advancing the field of soil science. It provides information about soils in ...
The relationship between x-ray wavelength (λ), the crystal planar spacings (d), and the x-ray beam incident angle(θ) when diffraction occurs;nλ = 2dsinθ.
Industry:Earth science
Use of living organisms, often soil microorganisms, to carry out defined physiochemical processes having agricultural or industrial application.
Industry:Earth science
The highest chemical concentration permissible in a water cource as defined by the regulatory authority.
Industry:Earth science
The removal of soluble materials from one zone in soil to another via water movement in the profile.
Industry:Earth science
The amount of work required to raise a body a specified height in a gravity field. Gravity head is expressed as energy per weight and is equal to the distance Z, of a measurement point in the soil above an arbitrary reference height (z). Gravity potential is expressed as energy per volume and is equal to the product of the distance raised, Z, the water density, ρ and the gravitation constant, g (ρgZ)
Industry:Earth science
The ratio of pressure to void ratio on the linear portion of the curve relating the two variables.
Industry:Earth science
The area of the solid particles in a given quantity of soil or porous medium. (i) BET surface area is that area on which gas molecules, such as N2 or O2, can adsorb which normally does not include the planar surface of expanding clays such as smectites. (ii) EGME surface area is that area on which ethylene glycol monoethyl ether can adsorb which normally includes the planar surface of expanding clays such as smectites.
Industry:Earth science
That portion of the total porosity available for fluid flow.
Industry:Earth science
