| 单词 | statistical mechanics |
| 释义 | statistical mechanicsSEE SYNONYMS FOR statistical mechanics ON THESAURUS.COM noun Physics, Chemistry.(used with a singular verb)the science that deals with average properties of the molecules, atoms, or elementary particles in random motion in a system of many such particles and relates these properties to the thermodynamic and other macroscopic properties of the system. Also called statistical physics, statistical thermodynamics. Compare Maxwell-Boltzmann statistics, quantum statistics. Origin of statistical mechanicsFirst recorded in 1880–85 Words nearby statistical mechanicsstatistical dependence, statistical independence, statistical inference, statistically, statistically independent, statistical mechanics, statistical significance, statistical tables, statistician, statistics, Statius Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for statistical mechanicsstatistical mechanics noun(functioning as singular) the study of the properties of physical systems as predicted by the statistical behaviour of their constituent particles 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 Scientific definitions for statistical mechanicsstatistical mechanics [ stə-tĭs′tĭ-kəl ] The branch of physics that applies statistical principles to the mechanical behavior of large numbers of small particles (such as molecules, atoms, or subatomic particles) in order to explain the overall properties of the matter composed of such particles. The kinetic theory of heat is an example of statistical mechanics; the laws of thermodynamics can all be explained using statistical mechanics. Both classical physics and quantum mechanics have been used in the development of statistical mechanical theories.♦ Bose-Einstein statistics explains the behavior of large numbers of bosons, which are particles that can simultaneously occupy the same quantum state (such as photons in a laser beam).♦ Fermi-Dirac statistics explains the behavior of large numbers of particles that obey the Pauli exclusion principle (such as electrons) and cannot simultaneously occupy the same quantum state. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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