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drinking water standard中文是什么意思

  • 生活飲用水水質(zhì)標(biāo)準(zhǔn)
  • 飲用水標(biāo)準(zhǔn)

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  • 例句與用法
  • The effective regeneration procedure is soaking the adsorbent 30 ~ 50h with 1 - 2 % al2 ( so4 ) 3 for activated alumina and 20 ~ 30h with 1 - 1 . 5 % naoh for bone char . studies show both activated alumina and bone char are excellent adsorbents for the removal of fluoride from drinking water . fluoride concentration below 1 . 0mg / l can be acquired easily with them and meets the requirement of drinking water standards
    對(duì)兩種除氟劑進(jìn)行的再生液與吸附劑體積比為1 : 1的再生實(shí)驗(yàn)表明:用硫酸鋁溶液對(duì)活性氧化鋁再生,再生濃度為1 2 ,再生時(shí)間為30 50h ,沖洗浸泡時(shí)間為5h效果較好;對(duì)骨炭再生,氫氧化鈉再生液濃度為1 1 . 5 ,再生時(shí)間為20 30h效果較好。
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