| 单词 | stefan's law |
| 释义 | Stefan's law/ (ˈstɛfənz) / nounthe principle that the energy radiated per second by unit area of a black body at thermodynamic temperature T is directly proportional to T 4 . The constant of proportionality is the Stefan constant, equal to 5.670400 × 10 –8 Wm –2 K –4Also called: Stefan-Boltzmann law Word Origin for Stefan's lawC19: named after Josef Stefan (1835–93), Austrian physicist Words nearby Stefan's lawsteersman, steeve, Stefan-Boltzmann law, Stefan Dušan, Stefanie, Stefan's law, Stefansson, Steffens, Ste.-Foy, Stegner, stegnosis Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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