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......

A surfactant-assisted method for preparing colloidal spheres with narrow size distribution from a polydispersed azo poly......

<正>A surfactant-assisted method for preparing colloidal spheres with narrow size distribution from a polydispersed azo ......

随着原油资源重质化和劣质化的加剧以及对清洁燃料油品需求的不断增加,将重质油加工成清洁燃料成为现代炼厂面临的挑战.悬浮床加氢......