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......

The refraction-diffraction of surface waves due to porous variable depth has been the subject of many investigations. In......

对开孔倾斜平板在二维规则波作用下的消波效果进行了物理模型试验研究,在平板与静水面夹角为±15°的情形下,比较分析了平......