Application of samarium diiodide in mediating intramolecular cyclization reactions was reviewed.综述了二碘化钐在分子内环化反应中的应用.Sodium ethylate was used as catalyst in Baker - Venkataraman of cyclization, and all factors were studie...
两幅照片是搭接在一起的.The two pictures are made to lap over each other.最常用的连接结构是搭接, 嵌接和平接.The most commonly used joint configurations are the lap , scarf, and butt joints.介绍一种基于网络的平面连杆机构搭接虚拟实验的方法.A method of network virtual experi...