يعرض 161 - 180 نتائج من 8,287 نتيجة بحث عن '(( 50 ppm decrease ) OR ((((( 50 ng decrease ) OR ( 50 c decrease ))) OR ( 5 ng decrease ))))', وقت الاستعلام: 0.54s تنقيح النتائج
  1. 161
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    Effects of Membrane Degradation due to Chlorine Exposure on the Removal of Neutral Organic Compounds by Reverse Osmosis for Potable Reuse حسب Carson Odell Lee (17810305)

    منشور في 2024
    "…Compounds that had an initial rejection between 50 and 95% had a rapid decrease in rejection during the first 230 ppm-h of chlorine exposure, whereas compounds with a new membrane rejection of >95% saw little change in rejection until chlorine exposure exceeded 2640 ppm-h. …"
  3. 163
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    Assay specifications from the vendors. حسب Lizhi Yu (12476136)

    منشور في 2022
    الموضوعات:
  10. 170

    False positive rate. حسب Lizhi Yu (12476136)

    منشور في 2022
    الموضوعات:
  11. 171
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  13. 173

    TEMPO-Oxidized Microcrystalline Cellulose for Rapid Adsorption of Ammonium حسب Jia Hui Ong (12085606)

    منشور في 2022
    "…As low as 1 ppm concentration of ammonia is sufficient to pose a threat to fish cultured in the fish farm, and therefore effective ammonia removal method is necessary to minimize the ammonia concentration. …"
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