| 单词 | magnesium sulphate |
| 释义 | > as lemmasmagnesium sulphate magnesium sulphate n. a soluble white crystalline substance, MgSO4, which occurs in various minerals such as epsomite and kieserite, and is used medicinally as a laxative and anticonvulsant, and as a fertilizer. ΘΚΠ the world > matter > chemistry > chemical substances > [noun] thingeOE substancea1550 body1594 magnesium chloride1866 magnesium sulphate1871 1871 H. E. Roscoe Lessons Elem. Chem. (new ed.) xxi. 229 Magnesium sulphate, MgS04 + 7H2O: this is a soluble substance known as Epsom Salts...magnesium sulphate forms, with the alkaline sulphates, double Salts. 1938 R. Hum Chem. for Engin. Students xiv. 324 Another method of employing finely divided platinum is to support it upon ‘masses’ of anhydrous magnesium sulphate, instead of asbestos, placed upon perforated shelves in the converter. This is known as the Grillo method. 1991 Garden (Royal Hort. Soc.) Mar. 113/2 Regular irrigation was given throughout the growing season, with three supplementary foliar feeds of magnesium sulphate applied at weekly intervals. < as lemmas |
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