Mostrando 7,081 - 7,100 Resultados de 77,560 Para Buscar '"AIR"', tiempo de consulta: 0.36s Limitar resultados
  1. 7081
  2. 7082
    por Schwartz, Joel
    Publicado 2004
    “…Although particulate air pollution has been associated with increased numbers of daily deaths in dozens of cities around the world, issues still remain about the association. …”
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  3. 7083
    por Roberts, Steven
    Publicado 2005
    “…In many cities of the United States, measurements of ambient particulate matter air pollution (PM) are available only once every 6 days. …”
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  4. 7084
    “…Each subject was exposed to the following three conditions at 1-week intervals (within-subject factor): VOCs (26 mg/m(3)), VOCs + O(3) (26 mg/m(3) + 40 ppb), and ambient air with a 1-min spike of VOCs (2.5 mg/m(3)). As a between-subjects factor, half the subjects were randomly assigned to perform a stressor. …”
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  5. 7085
    “…Objectives: We reported previously that 24-hr moving average ambient air pollution concentrations were positively associated with ventricular arrhythmias detected by implantable cardioverter defibrillators (ICDs). …”
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  6. 7086
    “…Our study was designed to investigate the influence of long-term exposure to air pollution on respiratory symptoms and pulmonary function in 55-year-old women. …”
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  7. 7087
    por Brown, R E, Brain, J D, Wang, N
    Publicado 1997
    “…There are many distinct differences (morphologic, physiologic, and mechanical) between the bird's lung-air-sac respiratory system and the mammalian bronchoalveolar lung. …”
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  8. 7088
    por Woodruff, T J, Grillo, J, Schoendorf, K C
    Publicado 1997
    “…Recent studies have found associations between particulate air pollution and total and adult mortality. The relationship between particulate air pollution and mortality among infants has not been examined in the United States. …”
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  9. 7089
    por Künzli, N, Tager, I B
    Publicado 1997
    “…The assessment of long-term effects of air pollution in humans relies on epidemiologic studies. …”
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  10. 7090
  11. 7091
    por Piver, Warren T.
    Publicado 1974
    “…This review attempts to provide an overview of the interconnected industrial changes associated with compliance with the exhaust emission standards of the Clean Air Act of 1970. To understand the complex nature of air pollution problems, Federal legislation, and compliance with this legislation requires an understanding of automotive technology, petroleum refining, atmospheric chemistry and physics, economics, and public health. …”
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  12. 7092
    “…BACKGROUND: Recent reports have shown that air pollution may increase the risk of adverse birth outcomes. …”
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  13. 7093
  14. 7094
    “…CONCLUSIONS: The results suggest that air pollution arising from common emission sources for CO, NO(2), and PM (e.g., motor vehicle exhausts) has significant associations with adult cardiovascular hospital admissions, especially in the elderly, at air pollution concentrations below normal health guidelines. …”
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  15. 7095
    “…Since the development of the World Health Organization (WHO) Air Quality Guidelines for Europe, a large number of epidemiologic studies have been published documenting effects of major air pollutants on health at concentrations below existing guidelines and standards. …”
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  16. 7096
    por Sexton, K
    Publicado 1995
    “…Hazardous air pollutants are regulated under Title III of the 1990 Clean Air Act Amendments. …”
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  17. 7097
  18. 7098
    “…BACKGROUND: To determine the validity of the recently developed child-specific thoracic gas volume (TGV) prediction equations for use in air-displacement plethysmography (ADP) in diverse pediatric populations. …”
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  19. 7099
  20. 7100
    por Jedrychowski, W, Flak, E, Mróz, E
    Publicado 1999
    “…The main purpose of our study was to assess the effect of low concentrations of ambient air pollution on lung function growth in preadolescent children. …”
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