Mostrando 1,721 - 1,740 Resultados de 8,657 Para Buscar '"Beijing"', tiempo de consulta: 0.29s Limitar resultados
  1. 1721
  2. 1722
  3. 1723
  4. 1724
    “…INTRODUCTION: We assessed the effect of Mycobacterium tuberculosis (MTB) bacterial load on Xpert MTB/RIF accuracy for detection of rifampicin (RIF)-resistant MTB in bronchoalveolar lavage fluid (BALF) specimens obtained at a national tuberculosis (TB) specialized hospital in Beijing, China. METHODS: A retrospective study was conducted at Beijing Chest Hospital. …”
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  5. 1725
    “…Data were collected from 3693 university students at 18 universities in Beijing, China through an online survey. Structural equation modeling (SEM) and multigroup analysis were performed to examine the empirical model. …”
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  6. 1726
  7. 1727
    “…This study aims to quantitatively model rather than to presuppose whether or not air pollution in Beijing (China) affects people’s activities of daily living (ADLs) based on an Internet of Behaviours (IoB), in which IoT sensor data can signal environmental events that can change human behaviour on mass. …”
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  8. 1728
    “…This study aims to clarify the correlation between air pollution of cities in Beijing Economic Belt from a time-varying perspective and estimate effects of joint prevention and control regulation of air pollution. …”
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  9. 1729
    “…This study aimed to examine the influence of the unexpected second wave of COVID-19 on sleep quality and anxiety of Chinese residents in Beijing in June 2020, compared with the initial outbreak at the beginning of 2020, and to investigate the associated factors. …”
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  10. 1730
    “…Short-term exposure to O(3) in the Beijing Municipality, Tianjin Municipality, Hebei Province, and surrounding areas was associated with an increased risk of human mortality and that association was positive modified by relatively higher (>75th 24 h-average temperature) or extreme cold temperature (<10th 24 h-average temperature). …”
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  11. 1731
    “…CONCLUSIONS: These findings indicate that in Beijing, China, disparities in children's dental visits narrowed between 2005 and 2015. …”
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  12. 1732
    “…Thus, the study aimed to investigate the determinants of low birth weight among newborn babies delivered at Tirunesh Beijing General Hospital, Addis Ababa, Ethiopia. METHODS: We performed a facility-based unmatched case-control study among 453 (151 cases and 302 controls) deliveries conducted at Tirunesh Beijing General Hospital. …”
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  13. 1733
    “…CONCLUSIONS: There were significant epidemiological characteristics and genetic diversity among outpatient children with norovirus infections < 5 years of age in Beijing from 2011 to 2018. These characteristics differ from those of norovirus outbreaks in Beijing. …”
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  14. 1734
  15. 1735
    por Chen, Nuoya
    Publicado 2022
    “…In addition, 8 focus group studies with 64 participants from rural and urban Beijing were conducted. Finally, another telephone interview with a business manager of the Xiaomi Wearable Unit was conducted in the follow-up stage. …”
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  16. 1736
    “…In this study, we used daily air quality monitoring data for 28 air pollution transmission channel cities in the Beijing–Tianjin–Hebei region during 2014–2019 to quantify the relative contributions of meteorological factors on spatiotemporal variation in PM(2.5) concentration by combining time series and spatial perspectives. …”
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  17. 1737
    por Xu, Haiyun, Fu, Fan, Miao, Meng
    Publicado 2022
    “…Via analysis of single-family home sale transactions in central Beijing from 2013 to 2017, we found substantial evidence that proximity to a cultural greenway project is positively linked with rising property prices. …”
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  18. 1738
  19. 1739
  20. 1740
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