68 resultaten gevonden voor 'water degradation'

degradation

irreversible process leading to a significant change in the structure of a product, typically characterized by a change of properties (e.g. integrity, molecular mass or structure, mechanical strength) and/or by fragmentation, affected by environmental conditions, proceeding over a period of time and comprising one or more steps [SOURCE: Adapted from EN ISO 472:2013 [3]]

degradation

process whereby an action on an item causes a deterioration of one or more properties (ISO 6707-1:2014, 9.1.3)

degradation indicator

deficiency which shows when a performance characteristic (3.1.80.1)(3.1.80.2) fails to conform to a requirement

water availability

extent to which humans and ecosystems have sufficient water resources for their needs

water quality

physical (e.g. thermal), chemical and biological characteristics of water with respect to its suitability for an intended use by humans or ecosystems (3.2.3)

brackish water

water containing dissolved solids at a concentration less than that of seawater (3.10.17), but in amounts that exceed the normally acceptable standards for municipal, domestic and irrigation uses

surface water

water in overland flow and storage, such as rivers and lakes, excluding seawater (3.10.17)

background water

freshwater (3.30)

supplied for domestic, institutional, commercial and industrial use, from which wastewater (3.80) is generated