Objective To search a new treatment moted of cervical stenosis by posterior cervical double trapdoor technique. 目的寻找一种颈椎后路“双开门”术治疗颈椎管狭窄症新的理想方法。
Brief introduction to some items to be moted when compiling emergency evacuation plan for large size public congregation place 浅谈大型公众聚集场所应急疏散预案制定中的几个问题
The recent studies of our group on the application of samarium reagent to organic synthesis were reviewed in this paper, which mainly include the following contents: ( 1) studies on organic reactions pro-moted by samarium diiodide; 综述了本课题组最近几年关于钐试剂在有机合成中应用的研究进展.主要包括以下几部分内容(1)二碘化钐促进的有机反应研究;