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Showing 561 - 580 results of 845 for search '(( 10 11 decrease ) OR ( 5 ((step decrease) OR (((nn decrease) OR (mean decrease)))) ))', query time: 0.16s Refine Results
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    Synergistic effects and optimization of nitrogen and phosphorus concentrations on the growth and nutrient uptake of a freshwater Chlorella vulgaris by Alketife, Ahmed M.

    Published 2017
    “…The synergistic effects and optimization of nitrogen (N) and phosphorus (P) concentrations on the growth of Chlorella vulgaris (CCAP 211/11B, CS-42) and nutrient removal have been investigated under different concentrations of N (0 56 mg/L) and P (0 19 mg/L). …”
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  4. 564

    Mental distress and its associations with behavioral outcomes during the COVID-19 pandemic: a national survey of Chinese adults by L., Ma

    Published 2021
    “…MethodsAn online survey using anonymous network sampling was conducted in China from April to May 2020 using a 74-item questionnaire. A national sample of 10,545 adults in 31 provinces provided data on sociodemographic characteristics, COVID-19-related mental distress, and changes in behavioral outcomes. …”
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