reversible form change

reversible form change
обратимое формоизменение

English-russian dictionary of physics. 2013.

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  • Reversible reaction — A reversible reaction is a chemical reaction that results in an equilibrium mixture of reactants and products. For a reaction involving two reactants and two products this can be expressed symbolically as :aA + bB ⇌ cC + dDA and B can react to… …   Wikipedia

  • reversible reaction — noun : a reaction that takes place in either direction according to conditions (as the formation of hydriodic acid by union of hydrogen and iodine or its decomposition into these elements) compare equilibrium 1b * * * Chem. a reaction that,… …   Useful english dictionary

  • Physical change — is a concept introduced to contrast with the concept of chemical change. A physical change is any change not involving a change in the substance s chemical identity. Matter undergoes chemical change when the composition of the substances changes …   Wikipedia

  • Phase-change random access memory — (Abk.: PCRAM oder PRAM, in einer speziellen Ausführung auch „Ovonics Unified Memory“, OUM, oder „chalcogenide RAM“, C RAM) ist ein neuartiger nicht flüchtiger Speicher in der Elektronik (Stand 2009). Das Wirkprinzip des Speichers ist die Änderung …   Deutsch Wikipedia

  • Photochromism — is the reversible transformation of a chemical species between two forms by the absorption of electromagnetic radiation, where the two forms have different absorption spectra. [ [http://pubs.acs.org/journals/chreay/thematic/00/photo.html Chemical …   Wikipedia

  • Chromism — In chemistry, chromism is a process that induces a change, often reversible, in the colors of compounds. In most cases, chromism is based on a change in the electron states of molecules, especially the π or d electron state, so this phenomenon is …   Wikipedia

  • Low molecular weight heparin — In medicine, low molecular weight heparin (LMWH) is a class of medication used as an anticoagulant in diseases that feature thrombosis, as well as for prophylaxis in situations that lead to a high risk of thrombosis.[1] Thrombotic disease or… …   Wikipedia

  • GeSbTe — GeSbTe, or Germanium Antimony Tellurium, also known as GST, is a phase change material from the group of chalcogenide glasses, used in rewritable optical discs and phase change memory applications. Its recrystallization time is down to 20… …   Wikipedia

  • Leuco dye — A leuco dye is a dye whose molecules can acquire two forms, one of which is colorless.For example, the spiro form of an oxazine is a colorless leuco dye; the conjugated system of the oxazine and another aromatic part of the molecule is separated… …   Wikipedia

  • cytochrome — A class of hemoprotein whose principal biologic function is electron and/or hydrogen transport by virtue of a reversible valency change of the heme iron. Cytochromes are classified in four groups (a, b, c, and d) according to spectrochemical… …   Medical dictionary

  • Diabetes (disambiguation) — Diabetes usually refers to diabetes mellitus, a group of metabolic diseases in which a person has high blood sugar. Contents 1 Diabetes mellitus 2 Diabetes insipidus …   Wikipedia


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