reverse pressure

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• Reverse-transcriptase inhibitor — Reverse transcriptase inhibitors (RTIs) are a class of antiretroviral drug used to treat HIV infection, tumors,[1] and cancer.[2] RTIs inhibit activity of reverse transcriptase, a viral DNA polymerase enzyme that retroviruses need to reproduce.… …   Wikipedia

• Reverse electrodialysis — (RED) is the salinity gradient energy retrieved from the difference in the salt concentration between seawater and river water [ [http://adsabs.harvard.edu/abs/1980OcEng...7....1L 1980 energy by reverse electrodialysis] ] .In reverse… …   Wikipedia

• Pressure retarded osmosis — (PRO) is the salinity gradient energy retrieved from the difference in the salt concentration between seawater and river water. In PRO, the water potential between fresh water and sea water corresponds to a pressure of 26 bars. This pressure is… …   Wikipedia

• reverse osmosis — n. a method of extracting essentially pure, fresh water from polluted or salt water by forcing the water under pressure against a semipermeable membrane, which passes the pure water molecules and filters out salts and and other dissolved… …   English World dictionary

• Reverse osmosis — Schematics of a reverse osmosis system (desalination) using a pressure exchanger. 1: Sea water inflow, 2: Fresh water …   Wikipedia

• Pressure exchanger — A pressure exchanger transfers pressure energy from a high pressure fluid stream to a low pressure fluid stream. Many industrial processes operate at elevated pressures and have high pressure waste streams. One way of providing a high pressure… …   Wikipedia

• Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …   Wikipedia

• Reverse auction — A reverse auction (also called procurement auction, e auction, sourcing event, e sourcing or eRA) is a tool used in industrial business to business procurement. It is a type of auction in which the role of the buyer and seller are reversed, with… …   Wikipedia

• Reverse (cricket) — In the sport of cricket, making the ball move in the air with the older ball is called reverse swing. Conventional swingThe cricket ball often moves in the air towards or away from a batsman when a pace bowler is bowling. It is this deviation… …   Wikipedia

• Reverse Osmosis Water Purification Unit — A Reverse Osmosis Water Purification Unit (ROWPU) is a portable, self contained water treatment plant. Designed for military use, it can provide potable water from nearly any water source. There are many model ROWPUs in use by the United States… …   Wikipedia

• reverse osmosis — noun Chemistry a process by which a solvent passes through a porous membrane in the direction opposite to that for natural osmosis when subjected to a hydrostatic pressure greater than the osmotic pressure …   English new terms dictionary