基于知识图谱的中国城市矿产研究进展

魏伟, 李金铠, 郭崇慧

Evolution of urban mineral resources research based on knowledge maps

WEI Wei, LI Jinkai, GUO Chonghui

图4 1988—2018年中国城市矿产研究领域热点整体分布

Figure 4 Overall distribution of hotspots in the field of urban mineral resources research in China, 1988-2018