The New Encyclopaedia Britannica, Volume 4Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 103
... materials with different individual Fer- mi levels are placed in contact , some electrons flow from the material with the higher Fermi level into the other material . This transfer of electrons raises the lower Fermi level and low- ers ...
... materials with different individual Fer- mi levels are placed in contact , some electrons flow from the material with the higher Fermi level into the other material . This transfer of electrons raises the lower Fermi level and low- ers ...
Page 109
... material becomes one large domain . Some materials , such as transformer cores , return almost completely to the original mul- tiple - domain arrangement when the magnetic field is removed . Other materials , called per- manent magnets ...
... material becomes one large domain . Some materials , such as transformer cores , return almost completely to the original mul- tiple - domain arrangement when the magnetic field is removed . Other materials , called per- manent magnets ...
Page 120
... material made by exploding wood chips and then compressing them into a sheet . The process reactivates the lignin ( q.v. ) , which then serves as an adhesive to bond the fibres together . packaging materials and styles 13 : 854g wood ...
... material made by exploding wood chips and then compressing them into a sheet . The process reactivates the lignin ( q.v. ) , which then serves as an adhesive to bond the fibres together . packaging materials and styles 13 : 854g wood ...
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