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......

Oligo(methylsilylene)-ethynylene polymer with erosslinkable ethynyl unit in the main chain was synthesized by condensati......

A novel type of crosslinkable poly(aryl ether sulfone)(PAES) bearing an allyl pendant(PES-OAllyl) was synthesized by a g......