阿尔贡国立实验室的科学家们再次计划使用一支1.6千瓦的工业激光器击穿页岩，石灰岩和砂岩。
Scientists at Argonne National Laboratory repurposed a 1.6-kilowatt industrial laser to burn through shale, limestone, and sandstone.
通过地质力学模型试验，研究软岩高边坡在开挖及降雨时坡体的稳定性及变形变化规律，分析支挡结构对边坡变形的影响机理。
The deformation and stability of soft rock slope under excavation and rainfall, as well as the effect of the supporting system on slope deformation are analyzed by physical modeling.
报道马坝人地点南支洞次生碳酸盐岩和骨化石样的铀系年代。
This paper reports the U-series dating results of calcites and mammalian fossils from Southern Branch Cave of Maba hominid site.
应用推荐