Mostrando 4,041 - 4,060 Resultados de 77,560 Para Buscar '"AIR"', tiempo de consulta: 0.35s Limitar resultados
  1. 4041
    por Salama, Khaled F., Zafar, Mubashir
    Publicado 2022
    “…BACKGROUND: Indoor air pollution is an important environmental health problem. …”
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  2. 4042
  3. 4043
  4. 4044
  5. 4045
    “…It is noteworthy that the preconcentrator adsorption capacity is independent of the relative humidity of the incoming air.…”
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  6. 4046
    “…In utero air pollution exposure has been associated with adverse birth outcomes, yet effects of air pollutants on regulatory mechanisms in fetal growth and critical windows of vulnerability during pregnancy are not well understood. …”
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  7. 4047
    “…Improved air quality has been the silver lining of the pandemic since early 2020. …”
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  8. 4048
    “…Toxic air pollutants are one of the main factors that have the effect of synergism to increase the incidence of multiple sclerosis (MS). …”
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  9. 4049
    “…The explosion limit and the explosion characteristic parameters of the CO/CH(4)/air mixture were measured with a 20 L explosion tank. …”
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  10. 4050
    por Xiao, Lu, Du, Zhenyu
    Publicado 2022
    “…The research results help policy makers decide whether to install evaporative cooling air conditioning in schools and determine which exhaust outlet positions are most effective in improving indoor air quality.…”
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  11. 4051
  12. 4052
    por Carslaw, Nicola, Shaw, David
    Publicado 2022
    “…These species can react in air to form new chemical species, some of which are harmful to health. …”
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  13. 4053
    “…For its correct operation, it is essential to detect in real time if the inflatable cavities are malfunctioning (presence of air leakage). Two classification predictive models were obtained, one for each cavity typology, which must discern between the “Right” or “Leak” states. …”
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  14. 4054
    “…This study aimed to quantitatively investigate airborne fungal levels in negative and slightly negative pressure rooms for COVID-19 patients. The air in neutral pressure rooms in ordinary wards and a liver intensive care unit with high-efficiency particulate air filter was also assessed for comparison. …”
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  15. 4055
    “…Air space-type variegation is the most diverse among the species of known variegated leaf plants and is caused by conspicuous intercellular spaces between the epidermal and palisade cells and among the palisade cells at non-green areas. …”
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  16. 4056
  17. 4057
  18. 4058
  19. 4059
    “…Dissecting the complex relationships between skin aging and air pollution has been an ongoing effort. The increased exposure to air pollution over time imposed a negative effect on skin. …”
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  20. 4060
    “…This is consistent with prior studies that documented impacts of sugarcane fire on air quality but did not quantify mortality. Additional health impacts of sugarcane fires, which were not quantified here, include exacerbating nonfatal health conditions such as asthma and cardiovascular problems. …”
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