The feasibility that the concentration of anthracene can be determined by thermal lens technique.讨论了热透镜技术对紫外光作用下能产生荧光的物质多环芳烃蒽的检测.The derivates of naphthalene, fluorene, pyrene, anthracene, acenaphthene and their applicat...
你可以和其他在线的人聊天。You can chat to other people who are online.主持人: 现在好大夫在线的流量如何?Compere: At present discharge of good doctor on - line how?发声的系统被连接在线的到载入计算机.The sounding systems to be connected on - line to loading computer....
They say this may have caused Beethoven's many sicknesses.他们说这可能是造成贝多芬一生多疾缠身的根源.Viruses and germs cause most sicknesses.病毒兴细菌引起大部分的疾病.V. in the -- five million of them have died of AIDS - related sicknesses.感染者,他们之中...