1,Advantages: professional structure, beautiful well-designed, convenient use and good test effect
2,Extraction efficiency: high extraction efficiency, ≥ 99%
3,Applications: rare earth separation,
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Penicillin is the drug of the twentieth century. It was the first of the antibiotics that, for decades after the Second World War, underpinned a popular belief that the threat of infectious disease had at last met its match.