Relation between the equivalent massfactor of structure and periods of structures on different sites.
结构等效质量系数与场地和结构周期的关系。
2
The experimental study of added massfactor and viscous damping factor for cantilever tube confined in water by concentric tube was conducted in order to verify the result of theoretical analysis.
为了验证理论分析结果,对悬臂管在同心套管包围的水中的附加质量系数和粘滞阻尼进行了实验研究。
3
Raised body mass index is a major risk factor for heart disease, stroke, type 2 diabetes and other chronic diseases.