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xhwy008

木虫 (正式写手)

[求助] 大神帮忙看下,5—log是什么意思? 已有2人参与

These rankings were based on the estimated protonated concentrations required to achieve a 5-log reduction in EHEC after 24 h of incubation at 30 C.
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长城77

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【答案】应助回帖

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10 -5   5 log reduction

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天道酬勤
4楼2014-08-22 22:36:03
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小毛孩24

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【答案】应助回帖

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xhwy008: 金币+5, ★★★很有帮助, 谢谢啦 2014-08-23 08:34:52
"Log reduction" is a mathematical term (as is "log increase" used to show the relative number of live microbes eliminated from a surface by disinfecting or cleaning.

For example, a "5-log reduction" means lowering the number of microorganisms by 100,000-fold, that is, if a surface has 100,000 pathogenic microbes on it, a 5-log reduction would reduce the number of microorganisms to one.
2楼2014-08-22 19:51:44
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