molecular pump

См. также в других словарях:

• molecular pump — molekulinis siurblys statusas T sritis fizika atitikmenys: angl. molecular pump vok. Molekularpumpe, f rus. молекулярный насос, m pranc. pompe moléculaire, f …   Fizikos terminų žodynas

• molecular pump — noun : a vacuum pump that depends for its action on the adhesion of the gas or vapor molecules to a rapidly moving metal disk or cylinder by which they are carried away …   Useful english dictionary

• Molecular propeller — Pumping of water by the hydrophobic surface molecular propeller Molecular propeller is a molecule that can propel fluids when rotated, due to its special shape that is designed in analogy to macroscopic propellers [1] [2] …   Wikipedia

• pump — 1. An apparatus for forcing a gas or liquid from or to any part. 2. Any mechanism for using metabolic energy to accomplish active transport of a substance. breast p. a suction instrument for withdra …   Medical dictionary

• pump — I [[t]pʌmp[/t]] n. 1) an apparatus or machine for raising, driving, exhausting, or compressing fluids or gases by means of a piston, plunger, or set of rotating vanes 2) zool. anat. inf the heart 3) cbl a biological system that supplies energy… …   From formal English to slang

• Sorption pump — The sorption pump is a vacuum pump that creates a vacuum by adsorbing molecules on a very porous material like molecular sieve which is cooled by a cryogen, typically liquid nitrogen. The ultimate pressure is about 10 2 mbar. With special… …   Wikipedia

• Vacuum pump — A vacuum pump is a device that removes gas molecules from a sealed volume in order to leave behind a partial vacuum. The vacuum pump was invented in 1650 by Otto von Guericke. Types Pumps can be broadly categorized according to three… …   Wikipedia

• Turbomolecular pump — A turbomolecular pump is a type of vacuum pump, superficially similar to a turbopump, used to obtain and maintain high vacuum. These pumps work on the principle that gas molecules can be given momentum in a desired direction by repeated collision …   Wikipedia

• Discovery and development of proton pump inhibitors — Proton pump inhibitors (PPIs) block the gastric Hydrogen potassium ATPase (H+,K+ ATPase) and inhibit gastric acid secretion. These drugs have emerged as the treatment of choice for acid related diseases, including gastroesophageal reflux disease… …   Wikipedia

• Diffusion pump — Six inch oil diffusion pump. Diffusion pumps use a high speed jet of vapor to direct gas molecules in the pump throat down into the bottom of the pump and out the exhaust. Presented in 1915 by Wolfgang Gaede[1] and using mercury vapor, they were… …   Wikipedia

• sodium pump — noun 1. : a molecular mechanism by which sodium ions are actively transported across a cell membrane ; especially : one by which a high concentration of potassium ions and a low concentration of sodium ions are maintained within a cell and that… …   Useful english dictionary