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Nuclear magnetic resonance (20288 bytes)
2: ...eld]] oscillating at a particular [[frequency]]. Magnetic conditions within the material are measured by mo... 4: ...It is also the underlying principle of [[magnetic resonance imaging]]. NMR is one of the techniques that has... 8: ...d of aligning with it. The angle of the nucleus' magnetic field is quantized (due to the [[quantization]] o... 10: ... the gap between the 'up' and the 'down' states), resonance occurs and nucleii rapidly switch states. This ma... 12: .... In addition, nuclei of the same element undergo resonance at slightly different frequencies depending upon ... Magnetic resonance (110 bytes) 1: '''Magnetic resonance''' can mean: 3: *[[Nuclear magnetic resonance]] 4: *[[Electron spin resonance]] Magnetic resonance imaging (11506 bytes) 3: '''Magnetic resonance imaging''' ('''MRI''') is a method of creating im... 6: ... to avoid the negative connotations of the word ''nuclear'', and to prevent patients from associating the e... 10: ...lses used is governed by the [[Larmor Equation]]. Magnetic field gradients are applied in the three dimensio... 12: ...radiofrequency energy, which in the presence of a magnetic field, puts the nuclei in an elevated energy stat... 17: ...cation]] towards MRI scanning: interaction of the magnetic and radiofrequency fields with such an object can... Functional magnetic resonance imaging (7565 bytes) 1: '''Functional Magnetic Resonance Imaging''' (or '''fMRI''') describes the use of [... 7: ...[diamagnetic]], while deoxygenated blood is [[paramagnetic]], so give off slightly different MR signals. An ... 23: ... e.g., MION, causing a local disturbance in the [[magnetic field]] that is measurable by the [[MRI]] scanner... 27: ...opy|spectrum]]. The area under the peak for each resonance provides a quantitative measure of the relative a... Nuclear Quadrupole Resonance (920 bytes) 1: ...like NMR, NQR is done in an environment without a magnetic field, it is sometimes called "zero-field NMR". N... Resonance FM (1953 bytes) 1: '''Resonance FM''' is a London based [[community radio]] stati... 5: ...world. While maintaining a broad editorial reach, Resonance FM has uncovered a rich, little-known stratum of ... 9: *[http://www.resonancefm.com Resonance FM] Resonance (10394 bytes) 1: ...about resonance in physics. For other uses, see [[Resonance (disambiguation)]].'' 4: ...iological [[transduction]] of auditory input, and resonance in electronic circuits. 6: ...t is filtering out all frequencies other than its resonance. 18: ...is problem. A bridge can even be destroyed by its resonance; that is why soldiers are trained not to march in... 26: ...sing electrical energy to oscillate between the [[magnetic field]] of the inductor and the [[electric field]... Resonance (MIT) (326 bytes) 3: (See also: [[Resonance]].) 7: * [http://web.mit.edu/resonance/www Resonance official homepage] Resonance (disambiguation) (403 bytes) 1: '''Resonance''' may refer to: 3: *The concept of [[resonance]] in [[physics]]. 4: ...The concept of [[resonance (quantum field theory)|resonance]] in [[quantum field theory]]. 5: *[[Resonance (MIT)|Resonance]], a group of [[a cappella]] singers at [[Massach... 6: *[[Resonance structure]]s are used in organic chemistry to rep... Orbital resonance (1340 bytes) 1: :''[[Orbital Resonance]] is also the title of a [[science fiction]] [[no... 3: In [[celestial mechanics]], '''orbital resonance''' occurs when two [[orbit]]ing bodies have perio... 4: ...ed [[Plutino]]s were saved from ejection by a 3:2 resonance with [[Neptune (planet)|Neptune]]. 5: ...id]]s may be regarded as being protected by a 1:1 resonance with Jupiter. 6: Orbital resonance can also destabilize one of the orbits. For insta... Stochastic resonance (720 bytes) 1: '''Stochastic resonance''' occurs when the [[signal-to-noise ratio]] of a... Resonance structure (2924 bytes) 1: ...complex molecules, there are hundreds of possible resonance forms. 5: ... of benzene, for example, there are two important resonance structures. However, this doesn't mean there are ... 7: Resonance occurs because of the properties of certain bonds... 9: Resonance is essential to stability, and stability is a "go... 11: ...y separation of charge causes the importance of a resonance form to go down considerably. However, unimportan... Schumann resonance (1899 bytes) 1: ...uencies|ELF]] portion of the [[Earth]]'s [[electromagnetic field]] spectrum. 3: ...uide to act as a [[resonant cavity]] for [[electromagnetic waves]] in the [[extremely low frequency|ELF]] ba... 5: ...ency (and highest-intensity) mode of the Schumann resonance is at a frequency of approximately 7.8 Hz. Detec... 10: *[[Earth's magnetic field]] 15: ...oulu.fi/~spaceweb/textbook/schumann.html Schumann resonance reference] from [[University of Oulu]] Tidal resonance (924 bytes) 1: In [[oceanography]], '''tidal [[resonance]]''' is a phenomenon perhaps best exemplified in ... 3: ...of tidal resonance differs from another sort of [[resonance]] resulting from tides, called [[tidal locking]],... Resonance raman spectroscopy (19486 bytes) 3: ...e technique uses a different part of the [[electromagnetic spectrum]] than [[infrared spectroscopy|infrared ... 25: ...ation in the infrared (IR) region of the [[electromagnetic spectrum]]. At any given instant, each molecule ... 43: == Resonance Raman Spectroscopy == 49: ...from all of the other transitions. For instance, resonance with a π-π* transition enhances stretching ... 61: ...h has a range of ~700-1100 nm), Fourier Transform Resonance Raman Spectrometers may soon be commercially avai... Electron spin resonance (8404 bytes) 2: ...nique is less widely used than [[nuclear magnetic resonance]] (NMR). 4: ...ctrons in a magnetic field of 0.3 [[tesla]], spin resonance occurs at around 10 GHz. 10: ... offering high-field-high-frequency electron spin resonance spectroscopy, among them [[ILL]] in [[Grenoble]],... 17: Magnetic Field is described by some constants and units: 19: * [[Magnetic induction]] <math>\bar{B}</math> in [[tesla]]s [T... Electron cyclotron resonance (729 bytes) 1: ...romagnetic field]] at the '''electron cyclotron [[resonance]]''' frequency. 3: An electron in a static and uniform magnetic field will move in a circle. The circular motion... 7: ...mmonly used [[microwave]] frequency 2.45 GHz, the resonance condition is met when ''B'' = 875 G = 0.0875 T. Fluorescence resonance energy transfer (5081 bytes) 1: '''Fluorescence resonance energy transfer''' describes an energy transfer m... 2: ...molecules are fluorescent, the term "fluorescence resonance energy transfer" is often used. Resonance (quantum field theory) (900 bytes) 1: ...ime relative to the reciprocal of its mass). If a resonance is too broad, it might not be considered as a par... 3: If the resonance happens to be a "[[fundamental particle]]" (i.e. ... Magnetic mirror (1294 bytes) 1: ...uration is still under active investigation for [[nuclear fusion]] energy. 3: ...l" behavior. The ratio of the maximum and minimum magnetic fields is known as the mirror ratio and determine...
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