| 单词 | ion-exchange resin |
| 释义 | > as lemmasion-exchange resin ion-exchange resin n. a synthetic polymer suitable for use in ion exchange.Such polymers are commonly characterized by a cross-linked molecular network which allows the penetration of both solvent and ions, and has ionized or ionizable groups attached to it. They are usually used in the form of small beads or a membrane. ΘΚΠ the world > matter > chemistry > ions, ionization, or electrolysis > [noun] > ion exchange > substance capable of base-exchanger1930 ion-exchange resin1941 1941 U.S. Patent 2,230,641 1/2 The ion exchange resins may be used in all manners known at present involving ion-exchange reactions, among them being the purification of water and..solutions of chemicals. 1991 New Scientist 30 Mar. 20/1 They propose using bacterial cultures or ion exchange resins to remove the malic acid from freeze-dried raw coffee. 2011 Charleston (W. Virginia) Daily Mail (Nexis) 9 Mar. (Life section) 1 Brita filtration pitchers contain activated carbon and an ion-exchange resin that helps reduce..chlorine and mercury, which may be found in tap water. < as lemmas |
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