1·The superior germicidal action of ClO2 gas has been recognized since 1950.
自1950年以来，二氧化氯气体已经被公认具有较强的杀菌功能。
2·The Houston Metro system has successfully tested the Breathe Safe system, which USES Ultraviolet Germicidal Irradiation to kill up to 99 percent of certain types of bacteria.
休斯顿地铁系统已成功测试了呼吸安全系统，它使用紫外杀菌照射杀死某些类型的细菌，致死率高达99%。
3·Methods suspension quantitative germicidal test and animal toxicity test were used to carry out experimental study.
方法采用悬液定量杀菌试验和动物毒性试验方法进行了实验研究。
4·Methods Suspension quantitative germicidal test and animal toxicity test were used to carry out experimental observation.
方法采用悬液定量杀菌试验和动物毒性试验方法进行了试验观察。
5·Objective To study the germicidal mechanism of propolis - silver ion compound nanometer emulsion.
目的研究蜂胶-银离子复合纳米乳剂杀菌机理。