Mostrando 5,681 - 5,700 Resultados de 77,560 Para Buscar '"AIR"', tiempo de consulta: 0.47s Limitar resultados
  1. 5681
    por Githens, T. S., Meltzer, S. J.
    Publicado 1911
    “…On the other hand, the presence of a tube in the trachea or larynx without the protection of an effective recurrent air stream, definitely facilitates the entrance of foreign material from the pharynx into the trachea. …”
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  2. 5682
  3. 5683
    “…BACKGROUND: Ocular mucosa is exposed constantly to the external environment, and chronic exposure to air pollution may affect the ocular surface. OBJECTIVE: We assessed the effect of air pollution on the ocular surface by combining determinations of individual exposure and conjunctival impression cytology. …”
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  4. 5684
    por Northrop, John H.
    Publicado 1948
    “…By regulating the rate of flow of air past the plug known concentrations of the gases in air may be obtained.…”
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  5. 5685
    por Krueger, A. P., Smith, R. F., Go, Ing Gan
    Publicado 1957
    “…Techniques have been devised for studying quantitatively the effects of air ions on microorganisms suspended in small drops. …”
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  6. 5686
    por Korenbrot, J. I., Hwang, S. B.
    Publicado 1980
    “…These films are formed by the sequential transfer of two air-water interface films onto a thin, hydrophilic, electrically conductive support cast from nitrocellulose. …”
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  7. 5687
  8. 5688
  9. 5689
  10. 5690
    “…BACKGROUND: Socio-economic status, smoking, and exposure to increased levels of environmental air pollution are associated with adverse effects on respiratory health. …”
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  11. 5691
  12. 5692
    “…BACKGROUND: Poverty is a major determinant of population health, but little is known about its role in modifying air pollution effects. OBJECTIVES: We set out to examine whether people residing in socially deprived communities are at higher mortality risk from ambient air pollution. …”
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  13. 5693
    “…This paper aims to provide a critical and systematic review of the societal costs of air pollution-related ill health (CAP), to explore methodological issues that may be important when assessing or comparing CAP across countries and to suggest ways in which future CAP studies can be made more useful for policy analysis. …”
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  14. 5694
    “…BACKGROUND: Living birds possess a unique heterogeneous pulmonary system composed of a rigid, dorsally-anchored lung and several compliant air sacs that operate as bellows, driving inspired air through the lung. …”
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  15. 5695
    “…This study of male reproductive health in the Czech Republic resulted from community concern about potential adverse effects of air pollution. We compared young men (18 years of age) living in Teplice, a highly industrialized district with seasonally elevated levels of air pollution, to those from Prachatice, a rural district with relatively clean air. …”
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  16. 5696
    “…We found that Aire(+) (i.e., GFP(+)) mTECs were the major cell types responsible for the expression of Aire-dependent TRA genes such as insulin 2 and salivary protein 1, whereas Aire-independent TRA genes such as C-reactive protein and glutamate decarboxylase 67 were expressed from both Aire(+) and Aire(−) mTECs. …”
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  17. 5697
    “…There is increasing interest in the role of air pollutants, including benzene and 1,3-butadiene, in the etiology of childhood cancers. …”
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  18. 5698
  19. 5699
  20. 5700
    “…OBJECTIVES: The purpose of this in vitro study was to evaluate whether mechanical alteration of the enamel surfaces with air abrasion and bur abrasion techniques could enhance the bonding performance of a three step and a self etching adhesive resin systems to enamel. …”
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