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gas-permeable membrane

См. также в других словарях:

  • Membrane oxygenator — A membrane oxygenator is a device used to add oxygen to, and remove carbon dioxide from the blood. It can be used in two principal modes: to imitate the function of the lungs in cardiopulmonary bypass (CPB), and to oxygenate blood in longer term… …   Wikipedia

  • Gas blending — or gas mixing is the filling of diving cylinders with non air breathing gases such as nitrox, trimix and heliox. Hazards There are several hazards with gas mixing: * cylinders are being filled with high pressure gas. If there is any damage or… …   Wikipedia

  • Membrane introduction mass spectrometry — (MIMS) is a method of introducing analytes into the mass spectrometer s vacuum chamber via a semipermeable membrane.cite journal |author=Johnson RC, Cooks RG, Allen TM, Cisper ME, Hemberger PH |title=Membrane introduction mass spectrometry:… …   Wikipedia

  • Membrane-introduction mass spectrometry — (MIMS) is a method of introducing analytes into the mass spectrometer s vacuum chamber via a semipermeable membrane.[1][2] Usually a thin, gas permeable, hydrophobic membrane is used, for example polydimethylsiloxane. Samples can be almost any… …   Wikipedia

  • Membrane potential — Differences in concentration of ions on opposite sides of a cellular membrane lead to a voltage called the membrane potential. Many ions have a concentration gradient across the membrane, including potassium (K+), which is at a high inside and a… …   Wikipedia

  • Membrane method — The Membrane method or mixing by gas separation is a method of gas blending to produce nitrox, a breathing gas mostly used for scuba diving. Nitrox systems use semi permeable membranes to separate out a portion of the nitrogen in air. Nitrox… …   Wikipedia

  • Membrane technology — The membrane technology covers all process engineering measures for the transport of substances between two fractions with the help of permeable membranes. That means in general mechanical separation process for separation of gaseous or liquid… …   Wikipedia

  • Membrane electrode assembly — A membrane electrode assembly (MEA) is an assembled stack of proton exchange membranes (PEMs) or alkali anion exchange membrane (AAEMs), catalyst and flat plate electrode used in a fuel cell[1]. Contents 1 PEM MEA 2 Research 3 See als …   Wikipedia

  • permeable — per|me|a|ble [ˈpə:miəbəl US ˈpə:r ] adj technical material that is permeable allows water, gas etc to pass through it ≠ ↑impermeable ▪ the permeable cell membrane >permeability [ˌpə:miəˈbılıti US ˌpə:r ] n [U] …   Dictionary of contemporary English

  • Thin film composite membrane — Thin film composite membranes (TFC or TFM) are semipermeable membranes manufactured principally for use in water purification or desalination systems. They also have use in chemical applications such as batteries and fuel cells.Essentially, a TFC …   Wikipedia

  • analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …   Universalium

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