| 单词 | allyl sulphide |
| 释义 | > as lemmasallyl sulphide b. As a formative element in chemical names, as allyl chloride, allyl isothiocyanate, allyl sulphide, etc. ΚΠ 1863 H. Watts Dict. Chem. I. 142 Chlorotritylene, C3H5Cl, is obtained..by treating chloride of tritylene, C3H6.Cl2 (hydrochlorate of allyl-chloride, C3H5Cl.HCl) with alcoholic potash. 1866 H. E. Roscoe Lessons Elem. Chem. xxxvi. 319 The allyl sulphide..is remarkable as occurring in nature as the essential oil of garlic... In like manner, allyl sulphocyanide..is found as the essential oil of black mustard seed. 1891 T. E. Thorpe Dict. Appl. Chem. II. 626/2 The volatile oil, consisting of allyl isothiocyanate is formed from the brown mustard on addition of water. 1911 Encycl. Brit. XXVII. 794/2 The most important derivative [of thiourea] pharmacologically is allyl-thiourea. 1947 J. M. Edwards in P. I. Smith Pract. Plastics ix. 136/1 The allyl esters of carboxylic acids such as allyl phthalate, allyl maleate, and allyl methacrylate are rapidly gaining importance in the production of clear resins. 1992 W. T. Parsons & E. G. Cuthbertson Noxious Weeds Austral. 88/2 Crow garlic is an important weed because it contains allyl sulphides which impart a strong garlic odour and flavour to agricultural products. 2002 Guardian 19 Dec. (Online section) 10/2 Brussels sprouts contain a chemical with the scary-sounding name of allyl isothiocyanate, also known as sinigrin. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。