Related Words

Practical Salinity Units (PSU): A measure of the salt content of seawater (practical salinity), based upon electrical conductivity of a sample relative to a reference standard of sea water, which now happens to be a refere . . . View Full Definition

Ribosomal Subunits: Two units that combine with mRNA to form the ribosomal-mRNA complex at which protein synthesis occurs.

Salinity: A measure of the quantity of dissolved salts in sea water. The total amount of dissolved solids in sea water in parts per thousand by weight.

Salinity (S): The total amount of solid material in grams contained in 1 kilogram of sea water when all the carbonate has been converted to oxide, the bromine and iodine replaced by chlorine, and all orga . . . View Full Definition

Units-Or-Production Depreciation Method: The depreciation method in which the cost of an asset is allocated to each period on the basis of the productive output or use of the asset during the period.

Practical Salinity: See PSU

Colorado River Basin Salinity Control Act: P.L. 93-320 (June 24, 1974), and the laws authorizing three other conservation cost-sharing programs, were repealed in the FAIR Act of 1996 and replaced by a new cost-sharing program, the En . . . View Full Definition

Colorado River Basin Salinity Control Program: This program was authorized in the Colorado River Basin Salinity Control Act and was repealed and replaced by the Environmental Quality Incentives Program in the FAIR Act of 1996. Administer . . . View Full Definition

Critical Salinity: A salinity of approximately 5 to 8% that marks a minimum of species richness in an estuarine system

Motor Units: Consist of a motor neuron with a group of muscle fibers; form the units into which skeletal muscles are organized; enable muscles to contract on a graded basis.