Rare attention has been paid to the comparison between a monomer and its corresponding polymer in terms of the optoelect......

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......

水泥搅拌桩是一种软基处理形式,它以水泥为主要固化剂,通过搅拌桩机将水泥喷入土中,使水泥与土壤发生一系列的理化反应,硬化软土,......

在以型钢连接为主的GORGON项目中,模块长度较长,两层甲板片高度间距超过2m,为方便结构和管线总装,一般将两层之间立柱断开,每层单......

A graph G is said to be determined by its spectrum if any graph having the same spectrum as G is isomorphic to G. An H-s......

The design of a seven-band stacked patch antenna for the C, X and Ku band is presented. The antenna consists of an H-slo......