Sodium ethylate was used as catalyst in Baker - Venkataraman of cyclization, and all factors were studied.环合反应采用乙醇钠作为Baker-Venkataraman重排反应的催化剂, 研究了影响反应的各个因素....
在腰椎下是五个椎骨融合在一起形成的骶骨.The five vertebrae next to the lumber vertebrae are fused together to form the sacrum.你刚才说的马上做腰椎穿刺什么意思?What do you mean by doing the LP just right?关键词: 硬膜囊破裂, 退变性腰椎手术, 修补, 再手术, 并发症.Key words: dural te...
拉密 - 麦克斯韦平衡方程在光测弹性力学中具有重要的作用.Lame - Maxwell equations of equilibrium have important applications in photoelasticity.麦克斯韦的电磁研究分为四个阶段.Maxwell's electromagnetic investigations were carried out in four stages.原子中的电子并非如此...