nuclear magnetic resonance
nuclear magnetic resonance (NMR) (new-kli-er) n. the absorption and emission of high-frequency radio waves by the nuclei of certain elements when placed in a strong magnetic field. The strongest signal is obtained from hydrogen atoms, which are abundant in the water and organic molecules in the body. NMR has important applications in noninvasive diagnostic techniques. See
magnetic resonance imaging.
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magnetic resonance
Book article from: The Columbia Encyclopedia, Sixth Edition
magnetic resonance in physics and chemistry, phenomenon...by simultaneously applying a steady magnetic field and electromagnetic radiation...spectrum ; Zeeman effect ). Nuclear magnetic resonance (NMR) is analogous to EPR; however...
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Magnetic Resonance Imaging (MRI)
Encyclopedia entry from: The Gale Encyclopedia of Science
Magnetic Resonance Imaging (MRI) Magnetic resonance...calculations of tomography and the first magnetic resonance image (MRI) was produced. To test...hydrogen atoms in the body. The first magnetic resonance images were constructed solely on...
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Nuclear Magnetic Resonance
Encyclopedia entry from: The Gale Encyclopedia of Science
Nuclear Magnetic Resonance Nuclear magnetic resonance (NMR) is the effect produced when a radiofrequency...combination of fixed and rotating magnetic fields produces nuclear magnetic resonance. Since a nucleus is a system having atomic dimensions...
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Magnetic Resonance Imaging
Encyclopedia entry from: Gale Encyclopedia of Cancer
Magnetic resonance imaging Definition Magnetic resonance imaging (MRI) is one of the newest, and perhaps...magnets and pulses of radio waves to manipulate the natural magnetic properties in the body, this technique makes better images...
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Magnetic resonance imaging
Encyclopedia entry from: Gale Encyclopedia of Mental Disorders
Magnetic resonance imaging Definition Magnetic resonance imaging (MRI) is one of the newest diagnostic...magnets and pulses of radio waves to manipulate the natural magnetic properties in the body to generate a visible image. In the...
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