Allene is an isomer of methyl acetylene.丙二烯是甲基乙炔的一种异构体.Esomeprazole, a new proton pump inhibitor, is the S - isomer of omeprazole.艾司奥美拉唑是一种新型的质子泵抑制剂, 它是奥美拉唑的S - 型光学异构体.For example , 2, 6 - Dinitrotoluene and 2, 4 - Dinit...
Esomeprazole, a new proton pump inhibitor, is the S - isomer of omeprazole.艾司奥美拉唑是一种新型的质子泵抑制剂, 它是奥美拉唑的S - 型光学异构体.A structural isomer of citral that is obtained from the oxidation of geraniol.葡萄糖的一种异构体,见于蜂蜜和甜水果中.Allene is...
期货价格在早盘深幅下跌后出现反弹，收盘时未见严重损失。Futures prices recovered from sharp early declines to end with moderate losses.他们的不少期货都还是个问号。A question mark hangs over many of their futures.棉花期货交易的卖价是很高的.Cotton futures are selling at high pr...