magnetically active

magnetically active

English-Russian big medical dictionary. 2005.

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  • Carbon-13 NMR — (13C NMR or sometimes simply referred to as carbon NMR) is the application of nuclear magnetic resonance (NMR) spectroscopy to carbon. It is analogous to proton NMR (1 H NMR) and allows the identification of carbon atoms in an organic molecule… …   Wikipedia

  • RS Canum Venaticorum variable — RS Canum Venaticorum variables are a type of variable star. They are close binary stars having active chromospheres which result in variations in their observed luminosity. The period of variations is, in general, close to the rotational period… …   Wikipedia

  • Sun — This article is about the star. For other uses, see Sun (disambiguation). The Sun …   Wikipedia

  • Sunspot — A sunspot is a region on the Sun s surface (photosphere) that is marked by intense magnetic activity, which inhibits convection, forming areas of reduced surface temperature. They can be visible from Earth without the aid of a telescope. Although …   Wikipedia

  • Epsilon Eridani — Starbox begin name=Epsilon EridaniStarbox observe epoch=J2000.0 constell=Eridanus ra=RA|03|32|55.8442cite web url=http://simbad3.u Ident=HD+22049 title=HD 22049 Variable of BY Dra type work=SIMBAD… …   Wikipedia

  • Hale, George Ellery — ▪ American astronomer born June 29, 1868, Chicago, Ill., U.S. died Feb. 21, 1938, Pasadena, Calif.       American astronomer known for his development of important astronomical instruments, including the Hale Telescope, a 200 inch (508 cm)… …   Universalium

  • Magnetic core — A magnetic core is a piece of magnetic material with a high permeability used to confine and guide magnetic fields in electrical, electromechanical and magnetic devices such as electromagnets, transformers, electric motors, inductors and magnetic …   Wikipedia

  • J-coupling — (also called indirect dipole dipole coupling ) is the coupling between two nuclear spins due to the influence of bonding electrons on the magnetic field running between the two nuclei. J coupling contains information about dihedral angles which… …   Wikipedia

  • Stellar magnetic field — A stellar magnetic field is a magnetic field generated by the motion of conductive plasma inside a main sequence (hydrogen burning) star. This motion is created through convection, which is a form of energy transport involving the physical… …   Wikipedia

  • RZ Tauri — Constelación Tauro Ascensión recta α 04h 36min 37,66s Declinación δ +18º 45’ 17,8’’ Distancia …   Wikipedia Español

  • Mount Wilson Observatory — an astronomical observatory on Mount Wilson, near Los Angeles, California, having a 100 in. (254 cm) reflecting telescope. * * * Astronomical observatory located atop Mount Wilson, near Pasadena, California, U.S. Founded in 1904 by George Ellery… …   Universalium

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