microcracking相关论文
High strength concrete for the production of concrete railway sleepers was designed more than 20 years ago.The compressi......
Fatigue cracking tests of a solder joint were carried out using in-situ scanning electron microscopy(SEM) technology und......
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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......
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......