Objective To observe the safety of diclofenac diethylamine salt gel after external use.目的观察双氯芬酸二乙胺盐凝胶经皮用药的安全性.The aminolignin flocculant was prepared based on calcium lignosulfonate, diethylamine and epichlorohydrin by a...
For most of our history we were isolationist. For two fleeting decades we were predominant.在过去相当长的时期内,我们一直奉行孤立主义, 当然也曾有过短暂的20年居于世界的支配地位.Art is long,and time is fleeting.时光飞逝,学艺无穷。She wondered for a fleeting moment if he ...