| 单词 | packing fraction |
| 释义 | packing fractionnounPhysics. a measure of the stability of an atomic nucleus, equal to 104 multiplied by the mass defect and divided by the mass number. Origin of packing fractionFirst recorded in 1925–30 Words nearby packing fractionpack in, packing, packing box, packing case, packing density, packing fraction, packing plant, pack it in, packman, pack off, pack of lies Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for packing fractionpacking fraction nouna measure of the stability of a nucleus, equal to the difference between its mass in amu and its mass number, divided by the mass number 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 packing fractionpacking fraction [ păk′ĭng ] The ratio of the total volume of a set of objects packed into a space to the volume of that space. The difference between the isotopic mass of a nuclide and its mass number, divided by its mass number. The packing fraction is often interpreted as a measure of the stability of the nucleus. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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