基于专利数据的光伏电站水资源循环利用技术发展态势分析
马碧峰, 任珩, 贾信, 孙平安然, 加妙丽

Patentometric and evolutionary path analysis of water recycling technologies in photovoltaic power stations
Bifeng Ma, Heng Ren, Xin Jia, Pingan'ran Sun, Miaoli Jia
图4 中国光伏电站水资源循环利用专利申请人省域分布(1982—2025年)
Fig.4 Provincial distribution of patent applicants for water recycling technologies in photovoltaic power stations in China (1982-2025)