يعرض 21 - 40 نتائج من 64,098 نتيجة بحث عن '(((( 50 ppm decrease ) OR ( 5 ng decrease ))) OR ((( 5 ppm decrease ) OR ( 5 a decrease ))))', وقت الاستعلام: 1.31s تنقيح النتائج
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    S2 File - حسب Abdullah Niaz (16955618)

    منشور في 2023
    "…At higher concentrations some desorption was observed (36% at 50 ppm) but was reduced at lower concentrations (1–3% at < 5 ppm). …"
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    S5 Fig - حسب Meihui Chen (1670020)

    منشور في 2022
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    Synthesis of polymers 5 and 6. حسب Ghadeer Mubarak (21567569)

    منشور في 2025
    "…The results showed that AMCs act as efficient corrosion inhibitors, with over 90% inhibition efficiency ( ) at 20 ppm concentration. The electrochemical investigation results indicated that the AMCs with hydrophilic and hydrophobic ratios of 100 (<b>5</b>), 90:10 (<b>6a</b>), and 80:20 (<b>6b</b>) manifest of 87.74%, 92.12%, and 93.53%, respectively. …"
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    TEMPO-Oxidized Microcrystalline Cellulose for Rapid Adsorption of Ammonium حسب Jia Hui Ong (12085606)

    منشور في 2022
    "…The adsorption performance of the material was minimally influenced by a pH range of 5.0–9.0 but substantially affected by the presence of competing ions. …"
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    Fig 5 - حسب Jie He (132999)

    منشور في 2024
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