单词 | acid content |
释义 | > as lemmasacid content a. General attributive, acid bottle, acid content, acid treatment, etc. ΚΠ 1803 Med. & Physical Jrnl. 9 460 Acid fumigations bid fair to stop the progress of the complaint. 1832 W. Stevens Observ. Blood 446 Some melancholy proofs of the fatal effects of the acid treatment. 1877 M. Foster Text Bk. Physiol. ii. i. 173 Peptic digestion is essentially an acid digestion. 1883 Cent. Mag. Feb. 636/1 The acid tank is a cylindrical vessel of iron, having a helix or stirrer inside for agitating the liquid. 1919 Vinegar Hand Bk. (Hydraulic Press Manuf. Co.) 20 By titrating a given quantity of vinegar..with normal sodium hydrate,..the acid content can be definitely determined. 1940 F. F. Grout Kemp's Handbk. Rocks (ed. 6) vii. 149 Micro-fossils are detected mostly before acid treatment, but other features may be more easily seen after acid treatment or panning. 1966 Jrnl. Amer. Chem. Soc. 88 4790/2 The acid strength was determined by titration with acetous potassium hydrogen phthalate. 1987 Times (Nexis) 3 Aug. Olga from Siberia was disfigured in an acid attack. 2006 N.Y. Times (National ed.) 26 July d3/4 The perceived sweetness of the fruit changes as the acid level drops. < as lemmas |
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