单词	ultrafiltration
释义	ultrafiltration noun ul·​tra·​fil·​tra·​tion ˌəl-trə-fil-ˈtrā-shən  : filtration through a medium (such as a semipermeable capillary wall) which allows small molecules (as of water) to pass but holds back larger ones (as of protein) ultrafiltrate ˌəl-trə-ˈfil-ˌtrāt  noun Example Sentences Recent Examples on the Web Its Tetra Pak ultrafiltration system developed in Iceland also helps reduce lactose content by half. Douglas Yu, Forbes, 7 Sep. 2021 Master Water products include water softeners, filters and ultrafiltration systems, which are sold under the names Alliance, Clarifier, MasterFusion, Satin Series, PuroPro, UltraPro and Clear Reflections, among others. Joe Taschler, Milwaukee Journal Sentinel, 27 July 2021 On heart failure, the clinical guideline has ultrafiltration at the end of the continuum of care. Todd Nelson, Star Tribune, 2 May 2021 Another technique, combining water-soluble metal-binding polymers with ultrafiltration, also has been shown to be effective in selectively recovering various metals. C. Claiborne Ray, New York Times, 1 Sep. 2017 A new recycling system uses a combination of ultrafiltration, nanofiltration, reverse osmosis, and evaporator systems to restore waste water through purely physical means, without adding chemicals. Mark Durham, WIRED, 30 Jan. 2007 Word History First Known Use 1908, in the meaning defined above Medical Definition ultrafiltration noun ul·​tra·​fil·​tra·​tion ˌəl-trə-fil-ˈtrā-shən  : filtration through a medium (as a semipermeable capillary wall) which allows small molecules (as of water) to pass but holds back larger ones (as of protein)
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