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......

210Pb was measured during the 3rd Chinese National Arctic Research Expedition cruise to investigate its spatial pattern ......

根据1999年7月实测资料,首次发现珠江口伶仃洋出现盐度高度分层的现象.本文对实测资料进行了分析,并运用三维斜压模型对该区域进行......

Many of the dams built in estuaries in the last century have difficulty with water quality management.Numerous factors h......