Feasibility Analysis of Open-loop Operation for the Southern and Northern River(NR) Electromagnetic Loop Networks in Anhui Grid 安徽电网江南江北电磁环网解环可行性分析
Planning and Design of the Rainwater Project of the Northern River(NR) Network Area of Zhongshan City 中山市北部河网地区雨水工程规划设计
The economic analysis indicates that it is the economic and rational scheme to build a long span combined railway and roadway bridge over the southern river branch and the medium and small span bridge over the northern river branch separately for the railways and roadways. 经济分析表明,南汊大跨桥梁合建、北汊中小跨度桥梁分建为经济合理的方案。
Study on surface sediment characteristics and distribution in the northern Red River subaqueous delta, Vietnam 越南红河水下三角洲北区表层沉积物类型及分布特征初探
Ecophysiological Characteristics and Productivity of Agroforestry System in the Loess Area of the Northern Wei River, Shaanxi, China 渭北黄土区农林复合系统生理生态特性及生产力研究