Water stagnation — occurs when water stops flowing. Stagnant water can be a major environmental hazard.DangersMalaria and dengue are among the main dangers of stagnant water, which can become a breeding ground for the mosquitoes that transmit these… … Wikipedia
Stagnation — may refer to one of the following *Economic stagnation, slow or no economic growth *Brezhnev Stagnation, a period of economic stagnation in Soviet Union *Stagnation in fluid dynamics, see Stagnation point *Water stagnation *Air stagnation … Wikipedia
Water quality — A rosette sampler is used to collect samples in deep water, such as the Great Lakes or oceans, for water quality testing. Water quality is the physical, chemical and biological characteristics of water.[1] It is a measure of the condition of… … Wikipedia
Water pollution — Raw sewage and industrial waste flows across international borders New River passes from Mexicali to Calexico, California. Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans and groundwater). Water p … Wikipedia
Stagnation — Stag*na tion ( n[=a] sh[u^]n), n. [Cf. F. stagnation.] 1. The condition of being stagnant; cessation of flowing or circulation, as of a fluid; the state of being motionless; as, the stagnation of the blood; the stagnation of water or air; the… … The Collaborative International Dictionary of English
Water privatization in Brazil — has been initiated in 1996. In 2008 private companies provided 7 million Brazilians 4% of the urban population in 10 of the country’s 26 states with drinking water. The private sector holds 65 concession contracts in the states of São Paulo, Rio… … Wikipedia
stagnation — noun /stæɡˈneɪʃən/ a) inactivity The general concern about industrial stagnation inspired an overhaul of the patent system. b) being stagnant; being without circulation Factors known to encourage the growth of harmful bacteria inside cooling… … Wiktionary
stagnation — a water body where no mixing of water masses occurs … Dictionary of ichthyology
Cold water pitting of copper tube — occurs in only a minority of installations. Copper water tubes are usually guaranteed by the manufacturer against manufacturing defects for a period of 50 years. The vast majority of copper systems far exceed this time period but a small minority … Wikipedia
Solar hot water — is water heated by the use of solar energy. Solar heating systems are generally composed of solar thermal collectors, a fluid system to move the heat from the collector to its point of usage. The system may use electricity for pumping the fluid,… … Wikipedia
Anoxic sea water — is sea water depleted of oxygen. It is generally found in areas with restricted water exchange. In most cases, oxygen is prevented from reaching the deeper parts of the sea area by a physical barrier (sill) as well as a pronounced density… … Wikipedia