摘要:公路基础建设的稳定发展是国家经济建设正常运作的条件之一,在此过程中,我们要进行公路桥梁设计系统的优化。该文就高烈度地震区的桥梁工程的抗震设计环节展开分析,通过对桥梁整体结构、桥跨结构等的优化,促进桥梁抗震性能的提升,满足实际生活的需要。 关键词:公路桥梁;设计;抗震方案;措施优化 Abstract: the stability of the highway infrastructure
Objective: To investigate the validity of CT perfusion in assessing angiogenic activity of lung cancer. Methods: Fifty-six patients with lung cancer scheduled f
Patterns of the South China Sea (SCS) circulation variability are extracted from merged satellite altimetry data from October 1992 through August 2004 by using