常見例句A whiff of ether will put you out in a few seconds.一劑乙醚幾秒鐘后就會使你失去知覺。"A science fiction cannot not be regarded as a mere entertainment, but in fact it tells the reader much more.""科幻小說不能簡單地看成是供消遣的,而實際上它給讀者展示更深刻的內(nèi)容。"Several synthesis methods of chloromethyl ethyl ether were compared.A new method for the synthesis of chloromethyl ethyl ether from phosphorus trichloride was developed.本文對氯甲基乙基醚的合成方法進行了比較,創(chuàng)新了一種用三氯化磷為原料新的合成方法。It was proposed that the catalytic amination of metyl t-butyl ether by solid acid was a promising "green" process.指出固體酸催化甲基叔丁基醚的氨化是值得開發(fā)的綠色化工技術(shù)。 返回 ethyl ether