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    Predictors of severe community-acquired pneumonia associated with coronavirus infection by S. S. Avhaitis

    Published 2024-12-01
    “…To achieve the aim and solve the problems, an open, prospective observational study was conducted: from January 2021 to February 2022, 102 patients with community-acquired pneumonia (CAP) aged 40 to 65 years with a positive test for SARS-CoV-2 were observed in the outpatient department of the Kherson City Clinical Hospital named after Athanasius and Olga Tropinin of the Kherson City Council. …”
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    Enhanced Forecasting and Assessment of Urban Air Quality by an Automated Machine Learning System: The AI‐Air by Jiayu Yang, Huabing Ke, Sunling Gong, Yaqiang Wang, Lei Zhang, Chunhong Zhou, Jingyue Mo, Yan You

    Published 2025-01-01
    “…Abstract An automated air quality forecasting system (AI‐Air) was developed to optimize and improve air quality forecasting for different typical cities, combined with the China Meteorological Administration Unified Atmospheric Chemistry Environmental Model (CUACE), and used in a typical inland city of Zhengzhou and a coastal city of Haikou in China. …”
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    Techno-economic analysis of cutting-edge PV systems deployment and reconfigurations on rooftop industrial building in Saudi Arabia’s eastern region by Abdulrhman Klifa Al-Hanoot, Hazlie Mokhlis, Saad Mekhilef, Mohammad Alghoul, Hussain Shareef, Zaid Alotaibi

    Published 2025-01-01
    “…This study conducts an in-depth analysis of the energy performance and economic feasibility of utilizing five cutting-edge PV systems on the rooftop of an industrial building spanning approximately 29,000 m2 in Abqaiq City, Saudi Arabia. The primary focus lies in evaluating the performance of these systems within the local grid’s conditions, with an average monthly electrical consumption of 534,000 kWh/month. …”
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    Synchronization based on preamble symbol for DVB-T2 system by Jie TANG, Fang WANG, Ming-qi LI

    Published 2017-08-01
    “…DVB-T2(digita1 video broadcasting-second generation terrestria1)system adopted a preamb1e,with a specia1 C-A-B structure,to accomp1ish time-frequency synchronization.A11 existing preamb1e based synchronization a1gorithms on1y uti1ized the corre1ation between C and A or B and A,neg1ecting the conjugate symmetry character within A.By using this character,a new synchronization method was proposed to make detection probabi1ity higher and synchronization error sma11er.Monto Car1o simu1ations were carried out in AWGN(addictive white Gaussian noise)channe1 and TU6(typica1 urban)channe1 with ve1ocity of 30 km/h.Compared with existing synchronization methods,both higher detection probabi1ity and sma11er mean square error in time-frequency synchronization is achieved.…”
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