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 novel reactive polyorganosiloxane containing nitro groups was first prepared by acid-catalyzed equilibration polymeriz......

The one plus one (1 + 1) mode of hydrosilation reaction of ladderlike cis-isotatic polyallylsilsesquioxane (AllyI-T)and ......