| 单词 | quaternary ammonium compound |
| 释义 | quaternary ammonium compound (once / 11819311 pages) n WORD FAMILY quaternary ammonium compound: quaternary ammonium compounds USAGE EXAMPLESA class of biocides known as quaternary ammonium compounds, or quats, is one chemical treatment that temporarily diminishes biofilms and their visible effects. National Geographic(Sep 23, 2016) The little-known chemicals, called quaternary ammonium compounds, or quats, are common ingredients of cleaners used by hospitals, restaurants and food processing plants. Scientific American(Aug 14, 2014) “The results suggest that quaternary ammonium compounds affect both the maternal ability to achieve and sustain pregnancy and the developing fetus,” wrote the researchers. Scientific American(Aug 14, 2014) n a compound derived from ammonium with hydrogen atoms replaced by organic groups; used as surface-active agents, disinfectants, and in drugs Hyper organic compound any compound of carbon and another element or a radical |
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