- back-flushing filter
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фильтр с обратной промывкой (обратной циркуляцией)
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
cirripede — ▪ crustacean Introduction any of the marine crustaceans of the infraclass Cirripedia (subphylum Crustacea). The best known are the barnacles. Adult cirripedes other than barnacles are internal parasites of marine invertebrates such as crabs … Universalium
Hydration system — In recreation and other sustained outdoor activities, a hydration system is an apparatus intended to promote its user s drinking enough liquid to support the physical effort involved in the activity. Such systems for consumers were first sold to… … 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
Urinal — A urinal is a specialized toilet for urinating only, generally by men and boys. It has the form of a container or simply a wall, with drainage and automatic or manual flushing.There are two types of urinals, single person or multiple persons. A… … Wikipedia
Sewage treatment — The objective of sewage treatment is to produce a disposable effluent without causing harm to the surrounding environment, and also prevent pollution.[1] Sewage treatment, or domestic wastewater treatment, is the process of removing contaminants… … Wikipedia
MEMORY — holocaust literature in european languages historiography of the holocaust holocaust studies Documentation, Education, and Resource Centers memorials and monuments museums film survivor testimonies Holocaust Literature in European Languages The… … Encyclopedia of Judaism
Cement kiln — Cement kilns are used for the pyroprocessing stage of manufacture of Portland and other types of hydraulic cement, in which calcium carbonate reacts with silica bearing minerals to form a mixture of calcium silicates. Over a billion tonnes of… … Wikipedia
Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios … Wikipedia
Social behaviour in animals — Introduction actions of animals living in communities. Such behaviour may include the feeding of the young, the building of shelters, or the guarding of territory. General characteristics Social behaviour (Social behaviour in animals) … Universalium
drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… … Universalium
Drug — /droog/, n. Zoroastrianism. the cosmic principle of disorder and falsehood. Cf. Asha. [ < Avestan drauga] * * * I Any chemical agent that affects the function of living things. Some, including antibiotics, stimulants, tranquilizers,… … Universalium