The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 308
... field applied to a diamagnetic substance polarizes the closed electron shells of the atoms and produces a small magnetic field , proportional to the external field , which shifts the NMR line with respect to its position for the bare ...
... field applied to a diamagnetic substance polarizes the closed electron shells of the atoms and produces a small magnetic field , proportional to the external field , which shifts the NMR line with respect to its position for the bare ...
Page 325
... field may induce dipoles the sizes of which are pro- portional to the field , as in diamagnetism ; however , such induced dipoles point with the field , giving a small positive susceptibility , constant over a wide range of temperature ...
... field may induce dipoles the sizes of which are pro- portional to the field , as in diamagnetism ; however , such induced dipoles point with the field , giving a small positive susceptibility , constant over a wide range of temperature ...
Page 326
... field is called remanence . When the external field is reversed , the value of B falls and passes through zero ( point C ) at a field strength known as the coercive force . Further increase in the reverse field H sets up a reverse flux ...
... field is called remanence . When the external field is reversed , the value of B falls and passes through zero ( point C ) at a field strength known as the coercive force . Further increase in the reverse field H sets up a reverse flux ...
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