Mostrando 2,021 - 2,040 Resultados de 77,560 Para Buscar '"AIR"', tiempo de consulta: 0.39s Limitar resultados
  1. 2021
    “…PURPOSE: To investigate the replacement of conventional grid by air gap in axiolateral hip radiographs. The optimal air gap distance was studied with respect to radiation dose and image quality using phantom images, as well as 26 patient axiolateral hip radiographs. …”
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  2. 2022
    “…The majority (61.5%) of the IAV-positive air samples were collected 0.3 m from a patient's head, while the remaining IAV-positive air samples were collected 2.2 m from a patient's head. …”
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  3. 2023
    “…Evidence to advocate for cleaner air for people with asthma is not in short supply. …”
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  4. 2024
  5. 2025
  6. 2026
  7. 2027
    “…The observed changes in urban air pollution represent a unique experiment to assess the impact of various anthropogenic influences on the composition of atmospheric air. …”
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  8. 2028
    “…The objective of this study was to evaluate the effects of air-drying preservation on llama sperm DNA. Semen collections were carried out using electroejaculation under general anesthesia. …”
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  9. 2029
    por Jia, Shuwei
    Publicado 2021
    “…ABSTRACT: Air pollution has worsened as a result of increased traffic congestion in cities. …”
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  10. 2030
    por Collignon, Antoine, Dumitriu, Dana
    Publicado 2021
    “…Air trapped in neonates’ pulmonary ligament is often the consequence of positive pressure ventilation and its typical radiographic appearance must be recognized in order to prevent the use of aggravating factors. …”
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  11. 2031
    “…Special emphasis lies on adaptations that are connected to the distinct demands of olfaction in water and air environment. These particular adaptations are discussed in light of evolutionary trends, ontogenetic development, and ecological demands.…”
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  12. 2032
    “…Microbes from the wider environment, i.e., air and soil, are considered key contributors to phyllosphere microbial communities, but their contribution is unclear. …”
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  13. 2033
    por Pugno, M.C., Misseroni, D., Pugno, N.M.
    Publicado 2021
    “…The scaling of the volume of the air entrapped suggests its fractal nature with a dimension of 2.782 and a fractal air volume fraction of 4.82 × 10(−2) m(0.218), resulting in nominal air volume fractions in the range of 14–23%. …”
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  14. 2034
  15. 2035
    “…This study presents a review of sources and atmospheric levels of anthropogenic air emissions in Nigeria with a view to reviewing the existence or otherwise of national coordination aimed at mitigating the continued increase. …”
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  16. 2036
  17. 2037
    “…The case-crossover design showed that PSP in adolescents is unlikely to be related to air pollution.…”
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  18. 2038
    por Willis, Mary, Hystad, Perry
    Publicado 2019
    “…The impact of multiple hazardous air pollutant (HAP) exposures during pregnancy on adverse birth outcomes is unknown. …”
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  19. 2039
  20. 2040
    “…While technological progress towards passenger urban air mobility (UAM) receives high attention, relevant business models for the deployment of these increasingly sophisticated passenger-carrying air vehicles for urban applications get less attention. …”
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