The New Encyclopaedia Britannica: Macropaedia (19 v.)Encyclopaedia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 316
... material is pro- heat flux current flow B A X load or battery Figure 1 : Basic thermoelectric circuit ( see text ) . portional to the temperature gradient and to the thermal conductivity of the material — that is , its ability to con ...
... material is pro- heat flux current flow B A X load or battery Figure 1 : Basic thermoelectric circuit ( see text ) . portional to the temperature gradient and to the thermal conductivity of the material — that is , its ability to con ...
Page 317
... material . A junction between n - type and p - type material is called a p - n ( or n - p ) junction . The number of excess electrons or holes determines the electrical resistivity of ... Materials material Bi Tes Thermoelectric Devices 317.
... material . A junction between n - type and p - type material is called a p - n ( or n - p ) junction . The number of excess electrons or holes determines the electrical resistivity of ... Materials material Bi Tes Thermoelectric Devices 317.
Page 318
... material . Materials made up of heavy atoms generally have low lattice thermal conductivities . For this reason , compound semiconductors such as bismuth telluride and lead tellur- ide are useful thermoelectric materials ( lead and ...
... material . Materials made up of heavy atoms generally have low lattice thermal conductivities . For this reason , compound semiconductors such as bismuth telluride and lead tellur- ide are useful thermoelectric materials ( lead and ...
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19th century actors adiabatic process applied audience broadcasting cable called camera carpels carrier centimetres centre channels chemical chrominance circuit classical colour commedia dell'arte communications court device drama drugs early effect eigenvalues electrical electrons energy engine entropy Eocene equation Europe fabrics fibres Figure film frequency Germany Greek heat important increased industry loom machine material mechanical megahertz ment metal method metres millimetres Miocene modern modulation Oligocene operation Paleocene pattern percent performance picture play pressure production radio real tennis receiver religious Roman scanning signal space species stable equilibrium stage steam teachers teaching techniques tektites telegraph telephone teleprinter telescope television temperature tennis tetraodontiforms textile textual criticism Thailand theatre theatrical thermodynamics thermoelectric thermoreceptors tion transmission transmitted tube ture United usually warp weave weft wire yarns