Mostrando 761 - 780 Resultados de 8,657 Para Buscar '"Beijing"', tiempo de consulta: 0.31s Limitar resultados
  1. 761
    “…Thus, it is crucial to determinize the contributions of human activities and climate change on greening at region scale. The Beijing–Tianjin–Hebei Region (BTHR) is one of the most active areas with human activities in China. …”
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  2. 762
    por Zhang, Yuan, Xu, Zhongqi, Wu, Jiabing
    Publicado 2021
    “…Due to the intensive reforestation activities since the year that Beijing won the race to host the Winter Olympics, vegetation coverage continued to increase in the Zhangjiakou area, even in the core area of Winter Olympic Games construction zones. …”
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  3. 763
    por Ma, Zhengwei, Liu, Yiran, Gao, Yida
    Publicado 2021
    “…This paper hopes to answer this question by studying SMEs in Beijing. On this basis, this paper uses structural equation model (SEM) to study the relatively fast recovery of SMEs in Beijing, China, to explore the factors affecting SMEs in the pandemic. …”
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  4. 764
    “…METHODS: We conducted a multi-center and cross-sectional survey in seven tertiary hospitals in Beijing and consecutively recruited outpatients with COPD from June 1st to July 30th, 2021. …”
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  5. 765
    “…BACKGROUND: The incidence of hepatitis A virus (HAV) infection is low in Beijing, China, but the risk of outbreaks still exists. …”
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  6. 766
    “…We highlight the need to include an analysis of the B-1 B cell subset to complement the characterization of the cell-mediated immune response to the Mycobacterium tuberculosis Beijing lineage. The literature describes the B-1 cell repertoire’s involvement in the cell-mediated response within granulomas, which is different from the classic antibody response B cells are generally associated with. …”
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  7. 767
    “…To investigate the characteristics of particulate matter with an aerodynamic diameter less than 2.5 μm (PM(2.5)) and its chemical compositions in the Beijing-Tianjin-Hebei (BTH) region of China during the novel coronavirus disease (COVID-19) lockdown, the ground-based data of PM(2.5), trace gases, water-soluble inorganic ions, and organic and elemental carbon were analyzed in three typical cities (Beijing, Tianjin, and Baoding) in the BTH region of China from 5-15 February 2020. …”
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  8. 768
    “…However, the diffusion pattern of these hotspots in responding to COVID-19 is not clearly understood at present stage. Hence, we selected Beijing, a typical megacity with the strictest lockdown measures during COVID-19 period, as the studied city and attempted to discover the NO(2) diffusion process through complex network method. …”
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  9. 769
    por Lu, Chen, Yi, Xiaodi, Ren, Xiaocui
    Publicado 2022
    “…Taking Beijing as a case, this paper conducted a survey to collect the characteristics of residents’ daily activities, including the mode of frequency and duration of travel, the type and environment of activities, and the duration and frequency of activities. …”
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  10. 770
  11. 771
  12. 772
    “…The aim of this study was to characterize HIV-1 INSTI mutations among ART-naive patients in Beijing from 2019–2021. METHODS: 865 ART-naive patients were enrolled in this study between January 2019 and June 2021 in Beijing. …”
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  13. 773
    “…DESIGN: A retrospective study. SETTING: Beijing Children’s Hospital. PARTICIPANTS: Clinical data were collected from 1288 children between 1 month and 18 years of age diagnosed with FUO at Beijing Children’s Hospital between January 2010 and December 2017. …”
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  14. 774
  15. 775
    por Zhang, Yingyi
    Publicado 2022
    “…Methods include a case study in the Yuetan Area of Beijing, field investigation, mapping, and questionnaires. …”
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  16. 776
    “…CONCLUSIONS: Despite improvement in air quality since the implementation of clean air policy in 2013, acute exposure to higher levels of air pollution is significantly associated with IPF hospitalization in Beijing. Air quality policy should be continuously enforced to protect vulnerable IPF populations as well as the general public. …”
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  17. 777
    “…At the same time, a total of 1123 cases of COVID-19 had been confirmed in Beijing, China. Peking University Shougang Hospital has 4 community hospitals with 174 staff members, covering 230,000 residents in Shijingshan district, Beijing. …”
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  18. 778
    “…In this study, 296 strains of E. coli isolated and identified from large-scale pig farms in Beijing were used as the research objects. In vitro drug sensitivity tests were used to determine the sensitivity to 10 antibiotics of pig-derived E. coli. …”
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  19. 779
    “…This study investigated the overall E. bieneusi prevalence of 21.9% (47/215) in captive and free-ranging deer species in Beijing, China. Thirteen E. bieneusi genotypes including six known and seven novel genotypes were identified. …”
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  20. 780
    “…The results show that the rationalization and upgrading of industrial structure in the Beijing-Tianjin-Hebei urban agglomeration significantly inhibit carbon emissions. …”
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