为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

A 67-year-old man had a sev-ere cough and pulmonary infection for 1 wk before seeking evaluation at our hospital.He had ......

利用Y形阵列结构的特点,提出一种宽带信号二维来波方向的估计方法.该方法在相干信号子空间法的基础上,通过采用流型矩阵展开的方式......

介绍了Y形平面高层建筑结构刚性模型在均匀流场和紊流场中三种风向角下的三维风荷载风洞试验结果,分析了Y形平面建筑物三维风荷载......

Based on Mindlin stress solution, a numerical computational method was proposed to calculate the stresses in the ground ......

Background: Many reasons can lead to an aphakia without adequate capsular support for implantation of a posterior chambe......

Entry word geo means the relations between the earty surface layer and its surroundings.The existence and development o......