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......

One-dimensional nanostructured materials are often used as beams in many applications such as ultrahigh-frequency resona......

针对同一工艺流程下相同杨氏模量和残余应力的双端固支梁阵列,建立了简化的杨氏模量和残余拉应力的弯曲测试模型,并将应力刚化理论......