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......

Kink-bands in rocks have been widely observed in nature and imitated in the laboratory, and the mechanism of their forma......

Different samples of igneous and metamorphic rocks from Egypt and Germany have been considered to measure γ-ray activit......

Subcritical crack growth of double torsion specimens made of ore, lherzolite, marble and granite was studied using Instr......