coliforms

См. также в других словарях:

• Fecal coliforms — (sometimes faecal coliforms) are facultatively anaerobic, rod shaped, gram negative, non sporulating bacteria. They are capable of growth in the presence of bile salts or similar surface agents, oxidase negative, and produce acid and gas from… …   Wikipedia

• environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

• Wilderness and diarrhea — Diarrhea acquired in the wilderness, sometimes calledWilderness diarrhea (WD), wilderness acquired diarrhea (WAD) or backcountry diarrhea, and is a much discussed hazard among backpackers, hikers, campers and other outdoor recreationalists who… …   Wikipedia

• Bacteriological water analysis — is a method of analysing water to estimate the numbers of bacteria present and, if needed, to find out what sort of bacteria they are. It is microbiological analytical procedure which uses samples of water and from these samples determines the… …   Wikipedia

• Coliform Index — The Coliform Index is a rating of the purity of water based on a count of fecal bacteria. Coliform bacteria are microorganisms that primarily originate in the intestines of warm blooded animals. By testing for coliforms, especially the well known …   Wikipedia

• Water supply and sanitation in Portugal — is characterized by important advances in access to services, technologies and service quality over past decades (1980s ndash;1990s), partially achieved thanks to important funds from the European Union. Nevertheless, sanitation still remains… …   Wikipedia

• Coliform index — The coliform index is a rating of the purity of water based on a count of fecal bacteria. Coliform bacteria are microorganisms that primarily originate in the intestines of warm blooded animals. By testing for coliforms, especially the well known …   Wikipedia

• Coliform bacteria — Not to be confused with Coliiformes. Escherichia coli Coliform bacteria are a commonly used bacterial indicator of sanitary quality of foods and water. They are defined as rod shaped Gram negative non spore forming bacteria which can ferment… …   Wikipedia

• Horsepen Creek — is one of the streams that flows into the Potomac River and then into the Chesapeake Bay. Horsepen Creek lies in Fairfax County, a major county in northern Virginia on the east coast.Fecal coliformsThe water in Horsepen Creek is listed by the… …   Wikipedia

• Pollution de l'eau — Les détritus de type déchets ménagers sont souvent indicateurs de pollutions (métaux lourds, microbes.. posant des problèmes de santé publique, notamment dans les régions où les eaux de surfaces sont utilisées pour la boisson, la lessive, la… …   Wikipédia en Français

• Pollution des eaux — Pollution de l eau   Pollution  v ·  · m  Pollution de l air …   Wikipédia en Français