| 单词 | molecular sieve |
| 释义 | molecular sievenoun Chemistry.a compound with molecule-size pores, as some sodium aluminum silicates, that chemically locks molecules in them: used in purification and separation processes. Origin of molecular sieveFirst recorded in 1925–30 Words nearby molecular sievemolecular knife, molecular layer of cerebellar cortex, molecular medicine, molecular movement, molecular rotation, molecular sieve, molecular spectrum, molecular surgery, molecular volume, molecular weight, molecule Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for molecular sievemolecular sieve nounchem a material that can absorb large amounts of certain compounds while not absorbing others and is thus suitable for use in separating mixtures 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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