Methods:The bactericidal action and the dose-effect relationship of bacteriostasis of metal silver were examined by in vitro bacterial culture, and its interference test in vitro was also observed.

方法：通过体外细菌培养测定金属银的杀菌范围及抑菌效量关系，并观察银抑菌干扰实验。

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The bacteriostasis function test shows that the ceramic powder has obvious inhibiting effect on urea sarcin and Staphylococcus aureus, with bacteriostasis rate reaching 84.1-100 %.

经抑菌功能检测证明，本发明的红外辐射陶瓷粉料对尿素八叠球菌、金黄色葡萄球菌有明显的抑制作用，抑菌率达到84.1% - 100%。

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Conclusion According to the bacteriostasis of products, the appropriate test method can be selected through the methodology validation.

结论根据样品的抑菌性，通过方法学验证选择合适的检验方法。

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