采用质子微探针技术,分析单个大气气溶胶颗粒物.Single aerosol particles inin winter 2004 were analyzed by proton microprobe.微探针的刻划加工可以分为两个过程, 即 压入过程和刻划过程.The micro - machining by micro probe can be divided into two processes: indentation and sc...
Expert has forecasted a steady rise in the number of tourist.专家们预测游客人数会稳步增长.Therefore, based on the field data obtained, stope stability can be forecasted.在此基础上, 可以根据获得的现场资料, 预测采场的稳定性.The significance and promising prosp...