欢乐开怀
幼苗
共回答了20个问题采纳率:90% 举报
This paper introduces the nano-copper oxide, zirconium carbonate, the nature and preparation methods, as well as copper and zirconium carbonate complex nature before and after contrast. Key words: nano copper, zirconium carbonate, zirconium carbonate complex nature of copper and Characterization
1年前
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