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Träfflista för sökning "WFRF:(Ai Wei) srt2:(2020-2023)"

Search: WFRF:(Ai Wei) > (2020-2023)

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  • Abbafati, Cristiana, et al. (author)
  • 2020
  • Journal article (peer-reviewed)
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  • Kanai, M, et al. (author)
  • 2023
  • swepub:Mat__t
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  • Ai, Jian, et al. (author)
  • Heat and Humidity Transport Analysis Inside a Special Underground Building
  • 2023
  • In: Frontiers in Heat and Mass Transfer. - 2151-8629. ; 21, s. 47-63
  • Journal article (peer-reviewed)abstract
    • The calculation of heat and humidity load serves as the cornerstone of Heating, Ventilation, and Air Conditioning (HVAC) design. Nevertheless, as the heat and humidity load characteristics of underground structures differ substantially from those of above-ground structures, it is a challenge to derive their accurate calculation procedure through engineering experience. Therefore, it is particularly important to carry out quantitative research on heat and humidity load. This study used Design Builder software to study the inf luence of the design state point of air conditioning in underground buildings on energy consumption. The study showed that compared with the single design temperature of 18°C, setting the temperature of 16°C in winter and 22°C in summer could reduce energy consumption by about 59%. And the hourly heat load, cooling load and humidity load in one year are simulated and calculated so as to quantitatively analyze the characteristics of the load. This provides a database for selecting suitable HVAC equipment. It is further emphasized that dehumidification is the key to HVAC design of underground structures, which provides a reference for similar engineering designs.
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  • Ai, Jin Wei, et al. (author)
  • Clinical Characteristics of COVID-19 Patients With Gastrointestinal Symptoms : An Analysis of Seven Patients in China
  • 2020
  • In: Frontiers in Medicine. - : Frontiers Media SA. - 2296-858X. ; 7
  • Journal article (peer-reviewed)abstract
    • Objectives: Patients with novel coronavirus disease 2019 (COVID-19) can present with gastrointestinal symptoms as their initial symptoms or as the main manifestations during disease progression, but the clinical characteristics of these patients are still unknown. Methods: We identified COVID-19 patients who admitted to Xiangyang No. 1 People's Hospital and presented with gastrointestinal symptoms as their initial or main symptoms. Their medical records were reviewed by two independent clinical scientists. The epidemiological and clinical characteristics as well as the clinical outcomes were analyzed. Results: Among 142 confirmed COVID-19 cases, 7 (4.9%) of them presented with gastrointestinal symptoms. Three patients had gastrointestinal symptoms as the initial symptoms and chief complaints, and 4 patients as the main symptoms during disease progression. Six patients had symptoms of diarrhea (3–16 days), 7 with anorexia (7–22 days), 6 with upper abdominal discomfort (1–7 days), and 4 with nausea (1–7 days), 1 with heartburn lasting 2 days, and 2 with vomiting symptoms (1 day). The chest CT scan showed typical COVID-19 imaging features, and associated with the progression of the disease. During treatment, 2 patients died due to organ failure. Discussion: COVID-19 patients with gastrointestinal symptoms are relatively rare and might be misdiagnosed. The clinical features include watery stools, anorexia, and upper abdominal discomfort. These patients may have severe disease and be associated with a poor prognosis. The underlying mechanisms of SARS-CoV-2 related gastrointestinal symptoms need to clarify in future studies.
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