Mostrando 2,421 - 2,440 Resultados de 77,560 Para Buscar '"AIR"', tiempo de consulta: 0.48s Limitar resultados
  1. 2421
    “…A device for automatically maintaining any desired concentration of triethylene or propylene glycol vapor in air is described. It can also be used to measure very rapidly the glycol content of room air. …”
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  2. 2422
    “…This communication describes the construction and operation of two identical experimental rooms in which it is possible to produce and maintain a wide range of temperature and humidity with or without exchange of the room air. The ability to maintain a large air mass under constant conditions makes it possible to study the effects of different atmospheric states on air-suspended bacteria and viruses in relation to their survival, particle size, humidification, killing by lethal vapors, and host susceptibility. …”
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  3. 2423
  4. 2424
    “…In addition, we demonstrate that DNA-PKcs is expressed in AIRE positive mTEC cell population and that introduction of mutations into the AIRE phosphorylation sites decrease the capacity of AIRE to activate transcription from reporter promoters. …”
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  5. 2425
  6. 2426
    “…However, information is limited concerning associations between ambient air zinc levels and health care utilization for asthma, especially among children. …”
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  7. 2427
  8. 2428
    “…We also measured the time-resolved aerosol size distribution during the in-car recirculation to investigate how recirculating air filtration affects particles of different sizes. …”
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  9. 2429
  10. 2430
  11. 2431
  12. 2432
    “…Venous air embolism (VAE) is the entrapment of air or medical gases into the venous system causing symptoms and signs of pulmonary vessel obstruction. …”
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  13. 2433
    por Mauderly, Joe L., Samet, Jonathan M.
    Publicado 2009
    “…BACKGROUND: Environmental air pollutants are inhaled as complex mixtures, but the long dominant focus of monitoring and research on individual pollutants has provided modest insight into pollutant interactions that may be important to health. …”
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  14. 2434
  15. 2435
    “…BACKGROUND: Both influenza viruses and air pollutants have been well documented as major hazards to human health, but few epidemiologic studies have assessed effect modification of influenza on health effects of ambient air pollutants. …”
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  16. 2436
    “…BACKGROUND: Air pollution from biomass fuels in Africa is a significant cause of mortality and morbidity both in adults and children. …”
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  17. 2437
    “…We carried out bibliographic searches in PubMed and Embase.com for the period from 1996 to 2008 with the aim of reviewing the scientific literature on the relationship between various sources of indoor air pollution and the respiratory health of children under the age of five. …”
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  18. 2438
    por Clougherty, Jane E.
    Publicado 2010
    “…OBJECTIVE: Epidemiologic studies of air pollution effects on respiratory health report significant modification by sex, although results are not uniform. …”
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  19. 2439
  20. 2440
    “…This study applies a hedonic model to assess the economic benefits of air quality improvement following the 1990 Clean Air Act Amendment at the county level in the lower 48 United States. …”
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