Mostrando 4,161 - 4,180 Resultados de 77,560 Para Buscar '"AIR"', tiempo de consulta: 0.54s Limitar resultados
  1. 4161
    por Dumont, Éric, Héquet, Valérie
    Publicado 2017
    “…This study demonstrated that a laboratory-scale recirculation closed-loop reactor can be an efficient technique for the determination of the Clean Air Delivery Rate (CADR) of PhotoCatalytic Oxidation (PCO) air purification devices. …”
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  2. 4162
    “…The PCO device was composed of a pleated photocatalytic filter (1100 cm(2)) and two 18-W UVA fluorescent tubes. The Clean Air Delivery Rate (CADR) of the apparatus was measured under different operating conditions. …”
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  3. 4163
    “…BACKGROUND: Pediatric allergic diseases are a major public health concern, and previous studies have suggested that exposure to traffic-related air pollution (TRAP) exposure is a risk factor. …”
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  4. 4164
  5. 4165
    “…The rapid evolution of air sensor technologies has offered enormous opportunities for community-engaged research by enabling citizens to monitor the air quality at any time and location. …”
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  6. 4166
    por Ono, Akira, Horiguchi, Hyogo
    Publicado 2021
    “…OBJECTIVES: We investigated the relationship between lead in air (Pb‐A) measured by personal sampling and blood lead (Pb‐B) in workers with relatively low lead exposure to estimate the permissible air concentration of lead corresponding to the biological tolerance value of Pb‐B of 15 µg/dL. …”
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  7. 4167
    por Srikrishna, Devabhaktuni
    Publicado 2022
    “…Public health departments such as CDC and California Department of Public Health (CA-DPH) advise HEPA-purifiers to limit transmission of SARS-CoV-2 indoor spaces. CA-DPH recommends air exchanges per hour (ACH) of 4–6 air for rooms with marginal ventilation and 6–12 in classrooms often necessitating multiple HEPA-purifiers per room, unaffordable in under-resourced community settings. …”
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  8. 4168
    “…Compared to other battery technologies, metal–air batteries offer high specific capacities because the active material at the cathode side is supplied by ambient atmosphere. …”
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  9. 4169
  10. 4170
    “…OBJECTIVE: Administration of warm intravenous (IV) fluid infusion and use of forced air warmers is the most easy and physiologically viable method for maintaining normothermia during surgery and postsurgical periods This study was conducted to assess the effect of combination of active warming (AW) methods namely warm IV fluid infusion and forced air warming versus forced air warming only (WA) on maternal temperature during elective C-delivery under spinal anesthesia. …”
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  11. 4171
    “…Short-term trends in the initial spread of COVID-19, not a long-term epidemiologic association, caused an early correlation between air pollution and COVID-19 mortality.…”
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  12. 4172
  13. 4173
    “…Cooking and heating using solid fuels can result in dangerous levels of exposure to household air pollution (HAP). HAPIN is an ongoing randomized controlled trial assessing the impact of a liquified petroleum gas stove and fuel intervention on HAP exposure and health in Guatemala, India, Peru, and Rwanda among households that rely primarily on solid cooking fuels. …”
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  14. 4174
  15. 4175
  16. 4176
  17. 4177
    por Alberti, Rafael, 1902-1999
    Publicado 1979
    “…Buenos Aires en tinta china.…”
    Libro
  18. 4178
    Publicado 1997
    Materias: “…Contaminación del aire 354353…”
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  19. 4179
    por Garber, Paul Alan
    Publicado 1982
    Libro
  20. 4180
    por Fajardo, Diógenes, 1948-
    Publicado 1999
    Libro
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