【摘要】 通过对铜陵市支柱资源铜矿的铜元素物质流进行实证分析,得出铜陵市铜矿资源的综合利用率和循环率都达到了较高水平,但存在自给率偏低的限制因素,需要采取综合措施予以改善。更多还原

【Abstract】 Abstrac This article takes Tongling City in Anhui Province,one of China’s typical resource based cities,as a study objective,conducts an empirical analysis on substance flow of copper resources.It’s revealed by the analysis that the comprehensive utilization rate and recycling rate have reached a relatively high level,however,self-sufficiency rate is relatively low,and needed to take further measures.更多还原