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Experimental study on lead and cadmium composite contaminated sand solidified and repaired by enzyme induced carbonate precipitation
Yiyao JIANG,Yanbo CHEN,Yi BIAN,Wenjie XU,Liangtong ZHAN,Han KE,Qingyang WANG
图 5 剑豆粗提纯脲酶中的氨基酸成分
Fig.5 Amino acid composition of crude sword beans urease