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单词 sulphating
释义 sulphating, vbl. n.|ˈsʌlfeɪtɪŋ|
[f. sulphate + -ing1.]
The formation of a sulphate, esp. of a deposit of lead sulphate on the plates of a battery.
1890Philos. Mag. 5th Ser. XXX. 162 The chief benefit..is stated to be that the sodium salt diminishes the chance of objectionable sulphating in the cell.1902Encycl. Brit. XXV. 29/2 The chief faults are buckling, growth, sulphating, and disintegration.
So sulˈphation, conversion into a sulphate; incorporation of a sulphate ion, SO42—, into a molecule.
1904U.S. Geol. Surv., Monogr. XLVII. 205 Sulphation is the union of sulphuric acid with base or the substitution of sulphuric acid for another combined acid.1957New Biol. XXIV. 52 There is an informed opinion which asserts that sulphation is not necessary for metachromasia and that mucopolysaccharides without sulphur are also metachromatic.1971,1972[see somatomedin].1975Nature 24 Jan. 269/2 Somatomedin, previously known as ‘sulphation factor’,..stimulates the incorporation of 35SO4 into costal cartilage.1977Lancet 22 Jan. 168/1 The mammary gland itself may be the site of sulphation [of vitamin D].
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