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...
他的衣袋里装满铅丹和铜绿.His pockets are full of red lead and verdigris.别针是铜做的,上面可能有铜绿. ”A pin's brass. It might have verdigrease on it. "铜绿假单胞菌, 大肠埃希菌, 克雷伯菌属及真菌是主要致病菌.Pseudomonas aeruginosa, Escherichia coli , Klebsiella pneum...
喝下午茶的时候，维多利亚与其夫君艾伯特亲王表演了二重唱。At tea-time, Victoria sang duets with her Consort, Prince Albert.我和某人唱二重唱.I sing with someone in duet.在卡拉ok厅唱二重唱.I sang a duet at a Karaoke bar....