membrane materials

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• Membrane roofing — is a type of roofing system for buildings. It is used on flat or nearly flat roofs to prevent leaks and move water off the roof. Membrane roofs are most commonly made from synthetic rubber, thermoplastic (PVC or similar material), or modified… …   Wikipedia

• Membrane bioreactor — (MBR) is the combination of a membrane process like microfiltration or ultrafiltration with a suspended growth bioreactor, and is now widely used for municipal and industrial wastewater treatment with plant sizes up to 80,000 population… …   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

• Membrane reactor — A membrane reactor is a piece of chemical equipment that combines a catalyst filled reaction chamber with a membrane to add reactants or remove products of the reaction. Chemical reactors making use of membranes are usually referred to as… …   Wikipedia

• membrane — membraneless, adj. /mem brayn/, n. 1. Anat. a thin, pliable sheet or layer of animal or vegetable tissue, serving to line an organ, connect parts, etc. 2. Cell Biol. the thin, limiting covering of a cell or cell part. [1375 1425; late ME; ME… …   Universalium

• Membrane (selective barrier) — Schematic of size based membrane exclusion A membrane is a layer of material which serves as a selective barrier between two phases and remains impermeable to specific particles, molecules, or substances when exposed to the action of a driving… …   Wikipedia

• Materials International Space Station Experiment — The Materials International Space Station Experiment (MISSE), is a series of experiments mounted externally on the International Space Station (ISS) that investigates the effects of long term exposure of materials to the harsh space environment.… …   Wikipedia

• Membrane échangeuse de protons — Une membrane échangeuse de protons ou membrane à électrolyte polymère (PEM) est une membrane semi perméable fabriquée à partir d’ionomères permettant la conduction protonique tout en étant imperméable aux gaz tels que le dioxygène ou le… …   Wikipédia en Français

• 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

• Proton exchange membrane fuel cell — Diagram of a PEM fuel cell Proton exchange membrane fuel cells, also known as polymer electrolyte membrane (PEM) fuel cells (PEMFC), are a type of fuel cell being developed for transport applications as well as for stationary fuel cell… …   Wikipedia

• Cell membrane — Illustration of a Eukaryotic cell membrane The cell membrane or plasma membrane is a biological mem …   Wikipedia