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首页> 美国卫生研究院文献>Applied and Environmental Microbiology >Bactericidal Effect of Various Combinations of Gamma Radiation and Chloramine on Aqueous Suspensions of Escherichia coli
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Bactericidal Effect of Various Combinations of Gamma Radiation and Chloramine on Aqueous Suspensions of Escherichia coli

机译：伽玛射线和氯胺的各种组合对大肠杆菌水悬浮液的杀菌作用

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摘要

Methods of combining gamma radiation with chloramine to disinfect aqueous suspensions of Escherichia coli were investigated. Logarithmically grown cells were exposed to the bactericidal agents sequentially (i.e., radiation followed by chloramine, and chloramine followed by radiation) and simultaneously. Regardless of which combination was used, the bactericidal effect was always less than additive. During the phase of work involving the simultaneous addition of both agents, it was observed that chloramine was destroyed more rapidly by radiation than were the organisms. Since an increase in the bactericidal effectiveness of either disinfectant by prior or simultaneous treatment of the cells with the other disinfectant was not achieved in buffered distilled water, it was concluded that disinfection of wastewater effluents by combining ionizing radiation with chloramine would not be economically feasible.
机译：研究了将γ射线与氯胺结合以对大肠杆菌的水悬浮液进行消毒的方法。对数生长的细胞先后（即先用氯胺辐射后再用氯胺，再用氯胺辐射后）再暴露于杀菌剂中。不管使用哪种组合，其杀菌效果始终小于加和性。在涉及同时添加两种药剂的工作阶段，观察到氯胺被辐射破坏的速度比生物体要快。由于在缓冲的蒸馏水中无法通过用另一种消毒剂对细胞进行事先处理或同时处理来提高一种消毒剂的杀菌效果，因此得出结论，将电离辐射与氯胺结合来对废水进行消毒在经济上是不可行的。

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