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......

This article summarizes the results of the research papers presented at the International Symposium on pine wilt disease......

A Pb2+ precipitation method was designed to get rid of the impure proteins in a lipase. The results show that it was a s......