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【答案】应助回帖
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NY_sky: 金币+50, 翻译EPI+1, ★★★★★最佳答案, 非常感谢您详细的解答，非常的专业。 2018-09-24 22:08:57
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AS you said, the ppm level will not appear in the water environment regarding the concentration of new PhACs at present, though ppm level of concentration of PhACs were found in wastewater in some sewages and hospitals according to some reports. In addition, our laboratory can not trace any PhAC in ultra-low conditions due to technical shortages. In order to optimize the removal conditions more precisely and investigate the absorptive mechanism , concentration was chosen as a perspective to study ppm level PhAC. |
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