| 释义 |
denitrify, v.|diːˈnaɪtrɪfaɪ|
[de- II. 1.]
trans. To deprive of nitrous or hyponitric acid. Hence deˈnitrified ppl. a., deˈnitrifying vbl. n. and ppl. a.; denitrifying bacteria (see quot. 1951); deˈnitrifier, a denitrifying agent; deˌnitrifiˈcator, an apparatus used in sulphuric acid works to remove the nitrous vapours (nitrous or hyponitric acids) from the sulphuric acid previously ‘nitrated’ in the Gay Lussac tower.
1891G. Lunge Manuf. Sulphuric Acid I. 562 Another apparatus, constructed on the same principle..is the ‘Denitrificateur’ proposed by Gay-Lussac himself. 1892W. Crookes Wagner's Chem. Technol. 266 Gay-Lussac's denitrificator consists of a tower of sheet lead. Ibid. 272 The excess of sulphuric acid acts here at the wrong place as a denitrifier. Ibid. 266 [This] conveys it into the denitrifying apparatus. 1902Encycl. Brit. XXVI. 56/2 Fresh manure abounds in denitrifying bacteria. 1932Fuller & Conard tr. Braun-Blanquet's Plant Sociol. viii. 241 Over against the nitrate formers stand the denitrifying bacteria which destroy nitric acid. 1951M. Abercrombie et al. Dict. Biol. 68 Denitrifying bacteria, soil bacteria which in absence of oxygen break down nitrates and nitrites with evolution of free nitrogen. |