Chambers's Encyclopaedia, Volume 1International Learning Systems, 1973 |
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Page 17
... magnetic field . The magnetic properties of these substances are due to the elementary magnets associated with the individual atoms . In the absence of an external field these point at random in all direc- tions and are thus in complete ...
... magnetic field . The magnetic properties of these substances are due to the elementary magnets associated with the individual atoms . In the absence of an external field these point at random in all direc- tions and are thus in complete ...
Page 20
... magnetic field . The magnetic properties of these substances are due to the elementary magnets associated with the individual atoms . In the absence of an external field these point at random in all direc- tions and are thus in complete ...
... magnetic field . The magnetic properties of these substances are due to the elementary magnets associated with the individual atoms . In the absence of an external field these point at random in all direc- tions and are thus in complete ...
Page 285
... MAGNETIC MATERIALS Coercivity Saturation Ferric Resistivity He ( oersted ) Flux Density ( gauss ) ( microhm cm ) Co.I 250 2,500 2.0 21,500 12 C 0.02 , O 0.06 250 7,000 0.8 21,600 11 Co · 005 , O 0.005 2,000 15,000 0.2 21,600 IO Si 4 , C ...
... MAGNETIC MATERIALS Coercivity Saturation Ferric Resistivity He ( oersted ) Flux Density ( gauss ) ( microhm cm ) Co.I 250 2,500 2.0 21,500 12 C 0.02 , O 0.06 250 7,000 0.8 21,600 11 Co · 005 , O 0.005 2,000 15,000 0.2 21,600 IO Si 4 , C ...
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Chambers's Encyclopædia, Vol. 1: A Dictionary of Universal Knowledge; A to ... William Chambers Aucun aperçu disponible - 2017 |
Expressions et termes fréquents
academy acid advertising aeroplane Afghanistan Africa agricultural air force aircraft Albania alkaloids alloys alphabet aluminium America army Author aviation became bomber Britain British capital central centre century A.D. church coast College countries Cretaceous crops culture early east east Africa eastern engine England English Europe European farming fighter flight France French German Greek History important increased India industry Italy Kabul king known lake land later London Lord magnetic mainly maize ment Mesozoic metal modern mountains North America northern operations organization Palaeozoic parliament population production Professor range region river rocks Roman Royal Royal Air Force second world second world war silk southern speed temperature tion town trade United University University of Cambridge University of London University of Oxford valley vols western wing