alternating magnetization

См. также в других словарях:

• Natural remanent magnetization — (NRM) is the permanent magnetism of a rock or sediment. In some forms, it can preserve a record of the Earth s field and the tectonic movement of the rock over millions of years. Natural remanent magnetization forms the basis of paleomagnetism… …   Wikipedia

• Natural Remanent Magnetization — (Abbreviated NRM) is the permanent magnetism of a rock. The NRM is frozen into the rock. It does not change with other location.The NRM is stripped away in a stepwise manner using thermal or alternating field demagnetization techniques to reveal… …   Wikipedia

• Halbach array — A Halbach array, showing the orientation of each piece s magnetic field. This array would give a strong field underneath, while the field above would cancel. The flux diagram of a Halbach array A Halbach array is a special arra …   Wikipedia

• Poulsen, Valdemar — ▪ Danish engineer born Nov. 23, 1869, Copenhagen, Den. died July 1942, Copenhagen       Danish engineer who in 1903 developed the first device for generating continuous radio waves, thus aiding the development of radio broadcasting.       After… …   Universalium

• magnetism — /mag ni tiz euhm/, n. 1. the properties of attraction possessed by magnets; the molecular properties common to magnets. 2. the agency producing magnetic phenomena. 3. the science dealing with magnetic phenomena. 4. strong attractive power or… …   Universalium

• electromagnet — /i lek troh mag nit/, n. a device consisting of an iron or steel core that is magnetized by electric current in a coil that surrounds it. [1815 25; ELECTRO + MAGNET] * * * Device consisting of a core of magnetic material such as iron, surrounded… …   Universalium

• Magnetic field — This article is about a scientific description of the magnetic influence of an electric current or magnetic material. For the physics of magnetic materials, see magnetism. For information about objects that create magnetic fields, see magnet. For …   Wikipedia

• Magnetic hyperthermia — is the name given to an experimental cancer treatment. It is based on the fact that magnetic nanoparticles, when subjected to an alternating magnetic field, produce heat. As a consequence, if magnetic nanoparticles are put inside a tumor and the… …   Wikipedia

• Single-molecule magnet — Single molecule magnets or SMMs are a class of metalorganic compounds, that show superparamagnetic behavior below a certain blocking temperature at the molecular scale. In this temperature range, SMMs exhibit magnetic hysteresis of purely… …   Wikipedia

• Memristor — Type Passive Working principle Memristance Invented Leon Chua (1971) First production HP Labs (2008) Electronic symbol …   Wikipedia

• Cathode ray tube — Cutaway rendering of a color CRT: 1. Three Electron guns (for red, green, and blue phosphor dots) 2. Electron beams 3. Focusing coils 4. Deflection coils 5. Anode connection 6. Mask for separating beams for red,… …   Wikipedia