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单词 carferal
释义 carferal|ˈkɑːfərəl|
[f. the first syllables of car-bon, fer-rum (iron), and al-umina, of which substances it is compounded.]
(See quots.).
1881Nature XXV. 62 The powers of carferal, well known as a filtering medium in the removal of ammonia from sewage.1884Health Exhib. Catal. 65/1 Carferal, a new..filtering material compounded of alumina, iron and carbon.
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更新时间:2024/12/22 0:22:58