首页  英汉  汉英  英英  词组  用法  例句  同义词  写作  俚语  缩写  词源  词根  法汉  德汉  日汉  俄汉  韩汉  西汉  意汉  泰汉  越汉

单词	sulphate
释义	sulphate /ˈsʌlfeɪt / (also sulfate) noun Chemistry A salt or ester of sulphuric acid, containing the anion SO42− or the divalent group —OSO2O—.It occurs in all kinds of minerals, such as oxides, carbonates, nitrates, sulfates, and phosphates.... Organic sulfates are esters and are formed by reacting an alcohol with cold sulfuric acid or by the reaction of sulfuric acid with a double bond in an alkene. The technique can identify iron-bearing phases (such as oxides, silicates, sulfides, sulfates, and carbonates), as well as the amount of iron in each phase and the presence of iron in various oxidation states. Origin Late 18th century: from French sulfate, from Latin sulphur (see sulphur).
随便看	Lamartine, Alphonse de lamasery Lamaze lamb lambada Lambaréné lambast lambaste lambasting Lamb, Charles lambda lambda moth lambdoid lambdoidal lamb drop lambency lambent lambently lambeosaur lambeosaurine Lambeosaurus lamber lambert Lambert, Constant Lambeth Conference

英语词典包含243303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。