依据张南-昌平Ⅲ回500 kV线路(北京段)昌平站出线段实际情况,设计开发500 kV可踩踏复合绝缘横担窄基直线塔。横担结构采用简单紧凑......

We present a new tracksite with multiple dinosaur tracks from the lowermost Barremian (Lower Cretaceous) of the Cape Esp......

[Objective] Taking Xijing Mountain for example,this study investigates characteristics of roadside plant communities and......