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静默听风起

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[求助] 求翻译 three-log reduction

大家有没有见过three-log的用法,该怎么翻译?原文是:A three-log reduction in concentrations has been achieved for BW30 and LFC3 membranes at concentrations 100 ppm and above.
Thank you!
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8814402

至尊木虫 (职业作家)

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爱与雨下(金币+1): !~ 2011-08-23 12:16:22
在浓度为100ppm或以上,BW30和LFC3膜实现了99.9%的浓度降低。
2楼2011-08-23 11:18:31
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8814402

至尊木虫 (职业作家)

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即浓度降到1/1000
3楼2011-08-23 11:19:09
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phu_grassman

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sltmac(金币+1): 2011-08-23 14:42:13
静默听风起(金币+5, 翻译EPI+1): 2011-08-24 18:06:27

A three-log reduction in concentrations has been achieved for BW30 and LFC3 membranes at concentrations 100 ppm and above.
Three-log 三个数量级的
在浓度大于或等于100ppm时,BW30和LFC3膜的浓度降低了三个数量级。
4楼2011-08-23 13:42:59
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