以酸性黑油为原料合成咪唑啉.The imidazoline was synthesized from black acid liquid.目的:探索出在咪唑啉酮2号位引入2-巯基苯骈噻唑的适宜反应条件.Objective To optimize the reaction condition of 2 - mercaptobenzothiaozole ramification.以环烷酸、有机胺为原料合成咪唑啉油溶性缓蚀剂.A new ty...
The basket price of the seven OPEC crudes Monday fell to 27.Opec七个成员国,星期一提供的原油价格为27.98美元一桶.Analysts say It'shut in cheaper, heavier crudes in order to preserve profit margins.分析人士表示,它减少了价格较低的重质原油的生产,以保持利润率....
巴西甜酒相当于是巴西的龙舌兰酒。Cachaca is Brazil's answer to tequila.他们发现当地人喝龙舌兰喝得酩酊大醉。They found the locals getting legless on tequila.他们已经不喝啤酒了，开始喝龙舌兰酒了。They'd stopped drinking beer and started on tequila....