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......

There is a classic experiential rule about 1,2-diol RCR1 (OH) CR1 (OH) R ( R1 = H or methyl), that is,the proton chemica......