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quadrupole |
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quadrupole [′kwä·drə‚pōl] (electromagnetism) A distribution of charge or magnetization which produces an electric or magnetic field equivalent to that produced by two electric or magnetic dipoles whose dipole moments have the same magnitude but point in opposite directions, and which are separated from each other by a small distance. (mathematics) A mass distribution that has unequal components of the moment-of-inertia tensor along the three principal directions. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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A quadropole spectrometer (VG PQ2+; Fisons Elemental, Winsford, Cheshire, UK) equipped with an autosampler (Gilson 222; Gilson, Villiers, France) was used. For the purpose of describing the quadropole shift, the orientation of the laboratory (quantization) axis with respect to the principal-axis frame is defined by the angles [Beta] and [Alpha]. These include, but are not limited to, Quadropole Resonance (QR) patents licensed from the Naval Research Laboratory that are based on a state-of the-art, low-cost versions of magnetic resonance adapted for explosive detection. |
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