نتایج جستجو برای: 837 am1400

تعداد نتایج: 1234  

Journal: :International Journal of Infectious Diseases 2021

AbstractBackground Serologic testing provides better understanding of SARS-CoV-2 prevalence and its transmission. This study was an investigation the antibodies to among blood donors in Saudi Arabia. Objective To estimate seroprevalence anti-SARS-CoV-2 Arabia during early phase COVID-19 pandemic. Methods Serology results epidemiological data were analyzed for...

Journal: :Electronics Letters 2023

In the present study, rainfall rate statistics for radio propagation applications collected during 1-year measurement with a 1-min integration time in three locations of Venezuela are presented and analyzed first country. Specifically, worst-month (WM) assessed compared Recommendation ITU-R P.841-7 prediction model. The results indicate that model does not accurately predict WM Also, performanc...

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