| 基于“水—能—碳”关联的城市水系统碳排放研究 | 
| 赵荣钦, 余娇, 肖连刚, 孙锦, 罗慧丽, 杨文娟, 揣小伟, 焦士兴 | 
| Carbon emissions of urban water system based on water-energy-carbon nexus | 
| ZHAO Rongqin, YU Jiao, XIAO Liangang, SUN Jin, LUO Huili, YANG Wenjuan, CHUAI Xiaowei, JIAO Shixing | 
| 图4 2008—2017年郑州市污水处理碳排放 | 
| Fig. 4 Carbon emissions of wastewater treatment subsystem in Zhengzhou during 2008-2017 | 
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