يعرض 621 - 640 نتائج من 1,766 نتيجة بحث عن '(( 10 ((((we decrease) OR (nn decrease))) OR (a decrease)) ) OR ( 2020 wave decrease ))', وقت الاستعلام: 0.17s تنقيح النتائج
  1. 621

    Reinfections in COVID-19 Patients: Impact of Virus Genetic Variability and Host Immunity حسب Fakhroo, Aisha

    منشور في 2021
    "…The COVID-19 pandemic is still posing a devastating threat to social life and economics. Despite the modest decrease in the number of cases during September-November 2020, the number of active cases is on the rise again. …"
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  2. 622

    Forecast of the outbreak of COVID-19 using artificial neural network: Case study Qatar, Spain, and Italy حسب Shawaqfah M.

    منشور في 2021
    "…The present study illustrates the outbreak prediction and analysis on the growth and expansion of the COVID-19 pandemic using artificial neural network (ANN). The first wave of the pandemic outbreak of the novel Coronavirus (SARS-CoV-2) began in September 2019 and continued to March 2020. …"
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  17. 637

    Pilot-scale petroleum refinery wastewaters treatment systems: performance and microbial communities' analysis حسب Karray, Fatma

    منشور في 2020
    "…Decreasing HRT to 5 and 2.5 days led to a decrease in the efficiency of the process and a decrease in biomass concentration was also observed (<1000 mg/l). …"
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