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0前言 银具有抗菌性能，人们在古代就已知道。但银对微生物产生杀死作用的最早报道是瑞士的植物学家 NAGELI，在 1893年的研究报道，他发现 Ag＋的浓度达 0 1mg/L就可使藻类死亡，且其他重金属也有不同程度的抗菌作用。试验表明，只要将水与金属接触，金属就产生杀菌作用
0 Introduction Silver has antibacterial properties, people have known in ancient times. However, silver was the first to kill microbes reported by the Swiss botanist NAGELI, in 1893 reported that he found that Ag + concentration of 0.1 mg / L can make algae death, and other heavy metals also have varying degrees of Antibacterial effect. Experiments show that as long as the water in contact with the metal, the metal has a bactericidal effect